Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1 | /* Driver for Realtek PCI-Express card reader |
| 2 | * |
| 3 | * Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License as published by the |
| 7 | * Free Software Foundation; either version 2, or (at your option) any |
| 8 | * later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, but |
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | * General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along |
| 16 | * with this program; if not, see <http://www.gnu.org/licenses/>. |
| 17 | * |
| 18 | * Author: |
| 19 | * Wei WANG (wei_wang@realsil.com.cn) |
| 20 | * Micky Ching (micky_ching@realsil.com.cn) |
| 21 | */ |
| 22 | |
| 23 | #include <linux/blkdev.h> |
| 24 | #include <linux/kthread.h> |
| 25 | #include <linux/sched.h> |
| 26 | |
| 27 | #include "rtsx.h" |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 28 | #include "sd.h" |
| 29 | |
| 30 | #define SD_MAX_RETRY_COUNT 3 |
| 31 | |
| 32 | static u16 REG_SD_CFG1; |
| 33 | static u16 REG_SD_CFG2; |
| 34 | static u16 REG_SD_CFG3; |
| 35 | static u16 REG_SD_STAT1; |
| 36 | static u16 REG_SD_STAT2; |
| 37 | static u16 REG_SD_BUS_STAT; |
| 38 | static u16 REG_SD_PAD_CTL; |
| 39 | static u16 REG_SD_SAMPLE_POINT_CTL; |
| 40 | static u16 REG_SD_PUSH_POINT_CTL; |
| 41 | static u16 REG_SD_CMD0; |
| 42 | static u16 REG_SD_CMD1; |
| 43 | static u16 REG_SD_CMD2; |
| 44 | static u16 REG_SD_CMD3; |
| 45 | static u16 REG_SD_CMD4; |
| 46 | static u16 REG_SD_CMD5; |
| 47 | static u16 REG_SD_BYTE_CNT_L; |
| 48 | static u16 REG_SD_BYTE_CNT_H; |
| 49 | static u16 REG_SD_BLOCK_CNT_L; |
| 50 | static u16 REG_SD_BLOCK_CNT_H; |
| 51 | static u16 REG_SD_TRANSFER; |
| 52 | static u16 REG_SD_VPCLK0_CTL; |
| 53 | static u16 REG_SD_VPCLK1_CTL; |
| 54 | static u16 REG_SD_DCMPS0_CTL; |
| 55 | static u16 REG_SD_DCMPS1_CTL; |
| 56 | |
| 57 | static inline void sd_set_err_code(struct rtsx_chip *chip, u8 err_code) |
| 58 | { |
| 59 | struct sd_info *sd_card = &(chip->sd_card); |
| 60 | |
| 61 | sd_card->err_code |= err_code; |
| 62 | } |
| 63 | |
| 64 | static inline void sd_clr_err_code(struct rtsx_chip *chip) |
| 65 | { |
| 66 | struct sd_info *sd_card = &(chip->sd_card); |
| 67 | |
| 68 | sd_card->err_code = 0; |
| 69 | } |
| 70 | |
| 71 | static inline int sd_check_err_code(struct rtsx_chip *chip, u8 err_code) |
| 72 | { |
| 73 | struct sd_info *sd_card = &(chip->sd_card); |
| 74 | |
| 75 | return sd_card->err_code & err_code; |
| 76 | } |
| 77 | |
| 78 | static void sd_init_reg_addr(struct rtsx_chip *chip) |
| 79 | { |
| 80 | REG_SD_CFG1 = 0xFD31; |
| 81 | REG_SD_CFG2 = 0xFD33; |
| 82 | REG_SD_CFG3 = 0xFD3E; |
| 83 | REG_SD_STAT1 = 0xFD30; |
| 84 | REG_SD_STAT2 = 0; |
| 85 | REG_SD_BUS_STAT = 0; |
| 86 | REG_SD_PAD_CTL = 0; |
| 87 | REG_SD_SAMPLE_POINT_CTL = 0; |
| 88 | REG_SD_PUSH_POINT_CTL = 0; |
| 89 | REG_SD_CMD0 = 0xFD34; |
| 90 | REG_SD_CMD1 = 0xFD35; |
| 91 | REG_SD_CMD2 = 0xFD36; |
| 92 | REG_SD_CMD3 = 0xFD37; |
| 93 | REG_SD_CMD4 = 0xFD38; |
| 94 | REG_SD_CMD5 = 0xFD5A; |
| 95 | REG_SD_BYTE_CNT_L = 0xFD39; |
| 96 | REG_SD_BYTE_CNT_H = 0xFD3A; |
| 97 | REG_SD_BLOCK_CNT_L = 0xFD3B; |
| 98 | REG_SD_BLOCK_CNT_H = 0xFD3C; |
| 99 | REG_SD_TRANSFER = 0xFD32; |
| 100 | REG_SD_VPCLK0_CTL = 0; |
| 101 | REG_SD_VPCLK1_CTL = 0; |
| 102 | REG_SD_DCMPS0_CTL = 0; |
| 103 | REG_SD_DCMPS1_CTL = 0; |
| 104 | } |
| 105 | |
| 106 | static int sd_check_data0_status(struct rtsx_chip *chip) |
| 107 | { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 108 | int retval; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 109 | u8 stat; |
| 110 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 111 | retval = rtsx_read_register(chip, REG_SD_STAT1, &stat); |
| 112 | if (retval) { |
| 113 | rtsx_trace(chip); |
| 114 | return retval; |
| 115 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 116 | |
| 117 | if (!(stat & SD_DAT0_STATUS)) { |
| 118 | sd_set_err_code(chip, SD_BUSY); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 119 | rtsx_trace(chip); |
| 120 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 121 | } |
| 122 | |
| 123 | return STATUS_SUCCESS; |
| 124 | } |
| 125 | |
| 126 | static int sd_send_cmd_get_rsp(struct rtsx_chip *chip, u8 cmd_idx, |
| 127 | u32 arg, u8 rsp_type, u8 *rsp, int rsp_len) |
| 128 | { |
| 129 | struct sd_info *sd_card = &(chip->sd_card); |
| 130 | int retval; |
| 131 | int timeout = 100; |
| 132 | u16 reg_addr; |
| 133 | u8 *ptr; |
| 134 | int stat_idx = 0; |
| 135 | int rty_cnt = 0; |
| 136 | |
| 137 | sd_clr_err_code(chip); |
| 138 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 139 | dev_dbg(rtsx_dev(chip), "SD/MMC CMD %d, arg = 0x%08x\n", cmd_idx, arg); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 140 | |
| 141 | if (rsp_type == SD_RSP_TYPE_R1b) |
| 142 | timeout = 3000; |
| 143 | |
| 144 | RTY_SEND_CMD: |
| 145 | |
| 146 | rtsx_init_cmd(chip); |
| 147 | |
| 148 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD0, 0xFF, 0x40 | cmd_idx); |
| 149 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD1, 0xFF, (u8)(arg >> 24)); |
| 150 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD2, 0xFF, (u8)(arg >> 16)); |
| 151 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD3, 0xFF, (u8)(arg >> 8)); |
| 152 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD4, 0xFF, (u8)arg); |
| 153 | |
| 154 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF, rsp_type); |
| 155 | rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, |
| 156 | 0x01, PINGPONG_BUFFER); |
| 157 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, |
| 158 | 0xFF, SD_TM_CMD_RSP | SD_TRANSFER_START); |
| 159 | rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER, |
| 160 | SD_TRANSFER_END | SD_STAT_IDLE, SD_TRANSFER_END | SD_STAT_IDLE); |
| 161 | |
| 162 | if (rsp_type == SD_RSP_TYPE_R2) { |
| 163 | for (reg_addr = PPBUF_BASE2; reg_addr < PPBUF_BASE2 + 16; |
| 164 | reg_addr++) |
| 165 | rtsx_add_cmd(chip, READ_REG_CMD, reg_addr, 0, 0); |
| 166 | |
| 167 | stat_idx = 16; |
| 168 | } else if (rsp_type != SD_RSP_TYPE_R0) { |
| 169 | for (reg_addr = REG_SD_CMD0; reg_addr <= REG_SD_CMD4; |
| 170 | reg_addr++) |
| 171 | rtsx_add_cmd(chip, READ_REG_CMD, reg_addr, 0, 0); |
| 172 | |
| 173 | stat_idx = 5; |
| 174 | } |
| 175 | |
| 176 | rtsx_add_cmd(chip, READ_REG_CMD, REG_SD_STAT1, 0, 0); |
| 177 | |
| 178 | retval = rtsx_send_cmd(chip, SD_CARD, timeout); |
| 179 | if (retval < 0) { |
| 180 | u8 val; |
| 181 | |
| 182 | rtsx_read_register(chip, REG_SD_STAT1, &val); |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 183 | dev_dbg(rtsx_dev(chip), "SD_STAT1: 0x%x\n", val); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 184 | |
| 185 | rtsx_read_register(chip, REG_SD_CFG3, &val); |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 186 | dev_dbg(rtsx_dev(chip), "SD_CFG3: 0x%x\n", val); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 187 | |
| 188 | if (retval == -ETIMEDOUT) { |
| 189 | if (rsp_type & SD_WAIT_BUSY_END) { |
| 190 | retval = sd_check_data0_status(chip); |
| 191 | if (retval != STATUS_SUCCESS) { |
| 192 | rtsx_clear_sd_error(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 193 | rtsx_trace(chip); |
| 194 | return retval; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 195 | } |
| 196 | } else { |
| 197 | sd_set_err_code(chip, SD_TO_ERR); |
| 198 | } |
| 199 | retval = STATUS_TIMEDOUT; |
| 200 | } else { |
| 201 | retval = STATUS_FAIL; |
| 202 | } |
| 203 | rtsx_clear_sd_error(chip); |
| 204 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 205 | rtsx_trace(chip); |
| 206 | return retval; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 207 | } |
| 208 | |
| 209 | if (rsp_type == SD_RSP_TYPE_R0) |
| 210 | return STATUS_SUCCESS; |
| 211 | |
| 212 | ptr = rtsx_get_cmd_data(chip) + 1; |
| 213 | |
| 214 | if ((ptr[0] & 0xC0) != 0) { |
| 215 | sd_set_err_code(chip, SD_STS_ERR); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 216 | rtsx_trace(chip); |
| 217 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 218 | } |
| 219 | |
| 220 | if (!(rsp_type & SD_NO_CHECK_CRC7)) { |
| 221 | if (ptr[stat_idx] & SD_CRC7_ERR) { |
| 222 | if (cmd_idx == WRITE_MULTIPLE_BLOCK) { |
| 223 | sd_set_err_code(chip, SD_CRC_ERR); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 224 | rtsx_trace(chip); |
| 225 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 226 | } |
| 227 | if (rty_cnt < SD_MAX_RETRY_COUNT) { |
| 228 | wait_timeout(20); |
| 229 | rty_cnt++; |
| 230 | goto RTY_SEND_CMD; |
| 231 | } else { |
| 232 | sd_set_err_code(chip, SD_CRC_ERR); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 233 | rtsx_trace(chip); |
| 234 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 235 | } |
| 236 | } |
| 237 | } |
| 238 | |
| 239 | if ((rsp_type == SD_RSP_TYPE_R1) || (rsp_type == SD_RSP_TYPE_R1b)) { |
| 240 | if ((cmd_idx != SEND_RELATIVE_ADDR) && |
| 241 | (cmd_idx != SEND_IF_COND)) { |
| 242 | if (cmd_idx != STOP_TRANSMISSION) { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 243 | if (ptr[1] & 0x80) { |
| 244 | rtsx_trace(chip); |
| 245 | return STATUS_FAIL; |
| 246 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 247 | } |
| 248 | #ifdef SUPPORT_SD_LOCK |
Yash Shah | 66e6d70 | 2015-08-03 11:18:31 +0000 | [diff] [blame] | 249 | if (ptr[1] & 0x7D) { |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 250 | #else |
Yash Shah | 66e6d70 | 2015-08-03 11:18:31 +0000 | [diff] [blame] | 251 | if (ptr[1] & 0x7F) { |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 252 | #endif |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 253 | dev_dbg(rtsx_dev(chip), "ptr[1]: 0x%02x\n", |
| 254 | ptr[1]); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 255 | rtsx_trace(chip); |
| 256 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 257 | } |
| 258 | if (ptr[2] & 0xFF) { |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 259 | dev_dbg(rtsx_dev(chip), "ptr[2]: 0x%02x\n", |
| 260 | ptr[2]); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 261 | rtsx_trace(chip); |
| 262 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 263 | } |
| 264 | if (ptr[3] & 0x80) { |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 265 | dev_dbg(rtsx_dev(chip), "ptr[3]: 0x%02x\n", |
| 266 | ptr[3]); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 267 | rtsx_trace(chip); |
| 268 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 269 | } |
| 270 | if (ptr[3] & 0x01) |
| 271 | sd_card->sd_data_buf_ready = 1; |
| 272 | else |
| 273 | sd_card->sd_data_buf_ready = 0; |
| 274 | } |
| 275 | } |
| 276 | |
| 277 | if (rsp && rsp_len) |
| 278 | memcpy(rsp, ptr, rsp_len); |
| 279 | |
| 280 | return STATUS_SUCCESS; |
| 281 | } |
| 282 | |
| 283 | static int sd_read_data(struct rtsx_chip *chip, |
| 284 | u8 trans_mode, u8 *cmd, int cmd_len, u16 byte_cnt, |
| 285 | u16 blk_cnt, u8 bus_width, u8 *buf, int buf_len, |
| 286 | int timeout) |
| 287 | { |
| 288 | struct sd_info *sd_card = &(chip->sd_card); |
| 289 | int retval; |
| 290 | int i; |
| 291 | |
| 292 | sd_clr_err_code(chip); |
| 293 | |
| 294 | if (!buf) |
| 295 | buf_len = 0; |
| 296 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 297 | if (buf_len > 512) { |
| 298 | rtsx_trace(chip); |
| 299 | return STATUS_FAIL; |
| 300 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 301 | |
| 302 | rtsx_init_cmd(chip); |
| 303 | |
| 304 | if (cmd_len) { |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 305 | dev_dbg(rtsx_dev(chip), "SD/MMC CMD %d\n", cmd[0] - 0x40); |
Bhumika Goyal | eff8bf8 | 2016-02-26 15:34:34 +0530 | [diff] [blame] | 306 | for (i = 0; i < (min(cmd_len, 6)); i++) |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 307 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD0 + i, |
| 308 | 0xFF, cmd[i]); |
| 309 | } |
| 310 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L, 0xFF, |
| 311 | (u8)byte_cnt); |
| 312 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_H, 0xFF, |
| 313 | (u8)(byte_cnt >> 8)); |
| 314 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_L, 0xFF, |
| 315 | (u8)blk_cnt); |
| 316 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_H, 0xFF, |
| 317 | (u8)(blk_cnt >> 8)); |
| 318 | |
| 319 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG1, 0x03, bus_width); |
| 320 | |
| 321 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF, |
| 322 | SD_CALCULATE_CRC7 | SD_CHECK_CRC16 | SD_NO_WAIT_BUSY_END| |
| 323 | SD_CHECK_CRC7 | SD_RSP_LEN_6); |
| 324 | if (trans_mode != SD_TM_AUTO_TUNING) |
| 325 | rtsx_add_cmd(chip, WRITE_REG_CMD, |
| 326 | CARD_DATA_SOURCE, 0x01, PINGPONG_BUFFER); |
| 327 | |
| 328 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF, |
| 329 | trans_mode | SD_TRANSFER_START); |
| 330 | rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER, SD_TRANSFER_END, |
| 331 | SD_TRANSFER_END); |
| 332 | |
| 333 | retval = rtsx_send_cmd(chip, SD_CARD, timeout); |
| 334 | if (retval < 0) { |
| 335 | if (retval == -ETIMEDOUT) { |
| 336 | sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, |
| 337 | SD_RSP_TYPE_R1, NULL, 0); |
| 338 | } |
| 339 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 340 | rtsx_trace(chip); |
| 341 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 342 | } |
| 343 | |
| 344 | if (buf && buf_len) { |
| 345 | retval = rtsx_read_ppbuf(chip, buf, buf_len); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 346 | if (retval != STATUS_SUCCESS) { |
| 347 | rtsx_trace(chip); |
| 348 | return STATUS_FAIL; |
| 349 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 350 | } |
| 351 | |
| 352 | return STATUS_SUCCESS; |
| 353 | } |
| 354 | |
| 355 | static int sd_write_data(struct rtsx_chip *chip, u8 trans_mode, |
| 356 | u8 *cmd, int cmd_len, u16 byte_cnt, u16 blk_cnt, u8 bus_width, |
| 357 | u8 *buf, int buf_len, int timeout) |
| 358 | { |
| 359 | struct sd_info *sd_card = &(chip->sd_card); |
| 360 | int retval; |
| 361 | int i; |
| 362 | |
| 363 | sd_clr_err_code(chip); |
| 364 | |
| 365 | if (!buf) |
| 366 | buf_len = 0; |
| 367 | |
| 368 | if (buf_len > 512) { |
| 369 | /* This function can't write data more than one page */ |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 370 | rtsx_trace(chip); |
| 371 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 372 | } |
| 373 | |
| 374 | if (buf && buf_len) { |
| 375 | retval = rtsx_write_ppbuf(chip, buf, buf_len); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 376 | if (retval != STATUS_SUCCESS) { |
| 377 | rtsx_trace(chip); |
| 378 | return STATUS_FAIL; |
| 379 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 380 | } |
| 381 | |
| 382 | rtsx_init_cmd(chip); |
| 383 | |
| 384 | if (cmd_len) { |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 385 | dev_dbg(rtsx_dev(chip), "SD/MMC CMD %d\n", cmd[0] - 0x40); |
Bhumika Goyal | eff8bf8 | 2016-02-26 15:34:34 +0530 | [diff] [blame] | 386 | for (i = 0; i < (min(cmd_len, 6)); i++) { |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 387 | rtsx_add_cmd(chip, WRITE_REG_CMD, |
| 388 | REG_SD_CMD0 + i, 0xFF, cmd[i]); |
| 389 | } |
| 390 | } |
| 391 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L, 0xFF, |
| 392 | (u8)byte_cnt); |
| 393 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_H, 0xFF, |
| 394 | (u8)(byte_cnt >> 8)); |
| 395 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_L, 0xFF, |
| 396 | (u8)blk_cnt); |
| 397 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_H, 0xFF, |
| 398 | (u8)(blk_cnt >> 8)); |
| 399 | |
| 400 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG1, 0x03, bus_width); |
| 401 | |
| 402 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF, |
| 403 | SD_CALCULATE_CRC7 | SD_CHECK_CRC16 | SD_NO_WAIT_BUSY_END | |
| 404 | SD_CHECK_CRC7 | SD_RSP_LEN_6); |
| 405 | |
| 406 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF, |
| 407 | trans_mode | SD_TRANSFER_START); |
| 408 | rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER, SD_TRANSFER_END, |
| 409 | SD_TRANSFER_END); |
| 410 | |
| 411 | retval = rtsx_send_cmd(chip, SD_CARD, timeout); |
| 412 | if (retval < 0) { |
| 413 | if (retval == -ETIMEDOUT) { |
| 414 | sd_send_cmd_get_rsp(chip, SEND_STATUS, |
| 415 | sd_card->sd_addr, SD_RSP_TYPE_R1, NULL, 0); |
| 416 | } |
| 417 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 418 | rtsx_trace(chip); |
| 419 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 420 | } |
| 421 | |
| 422 | return STATUS_SUCCESS; |
| 423 | } |
| 424 | |
| 425 | static int sd_check_csd(struct rtsx_chip *chip, char check_wp) |
| 426 | { |
| 427 | struct sd_info *sd_card = &(chip->sd_card); |
| 428 | int retval; |
| 429 | int i; |
| 430 | u8 csd_ver, trans_speed; |
| 431 | u8 rsp[16]; |
| 432 | |
| 433 | for (i = 0; i < 6; i++) { |
| 434 | if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) { |
| 435 | sd_set_err_code(chip, SD_NO_CARD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 436 | rtsx_trace(chip); |
| 437 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 438 | } |
| 439 | |
| 440 | retval = sd_send_cmd_get_rsp(chip, SEND_CSD, sd_card->sd_addr, |
| 441 | SD_RSP_TYPE_R2, rsp, 16); |
| 442 | if (retval == STATUS_SUCCESS) |
| 443 | break; |
| 444 | } |
| 445 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 446 | if (i == 6) { |
| 447 | rtsx_trace(chip); |
| 448 | return STATUS_FAIL; |
| 449 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 450 | |
| 451 | memcpy(sd_card->raw_csd, rsp + 1, 15); |
| 452 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 453 | dev_dbg(rtsx_dev(chip), "CSD Response:\n"); |
Fabio Falzoi | 69b8b22 | 2014-08-05 23:24:17 +0200 | [diff] [blame] | 454 | dev_dbg(rtsx_dev(chip), "%*ph\n", 16, sd_card->raw_csd); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 455 | |
| 456 | csd_ver = (rsp[1] & 0xc0) >> 6; |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 457 | dev_dbg(rtsx_dev(chip), "csd_ver = %d\n", csd_ver); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 458 | |
| 459 | trans_speed = rsp[4]; |
| 460 | if ((trans_speed & 0x07) == 0x02) { |
| 461 | if ((trans_speed & 0xf8) >= 0x30) { |
| 462 | if (chip->asic_code) |
| 463 | sd_card->sd_clock = 47; |
| 464 | else |
| 465 | sd_card->sd_clock = CLK_50; |
| 466 | |
| 467 | } else if ((trans_speed & 0xf8) == 0x28) { |
| 468 | if (chip->asic_code) |
| 469 | sd_card->sd_clock = 39; |
| 470 | else |
| 471 | sd_card->sd_clock = CLK_40; |
| 472 | |
| 473 | } else if ((trans_speed & 0xf8) == 0x20) { |
| 474 | if (chip->asic_code) |
| 475 | sd_card->sd_clock = 29; |
| 476 | else |
| 477 | sd_card->sd_clock = CLK_30; |
| 478 | |
| 479 | } else if ((trans_speed & 0xf8) >= 0x10) { |
| 480 | if (chip->asic_code) |
| 481 | sd_card->sd_clock = 23; |
| 482 | else |
| 483 | sd_card->sd_clock = CLK_20; |
| 484 | |
| 485 | } else if ((trans_speed & 0x08) >= 0x08) { |
| 486 | if (chip->asic_code) |
| 487 | sd_card->sd_clock = 19; |
| 488 | else |
| 489 | sd_card->sd_clock = CLK_20; |
| 490 | } else { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 491 | rtsx_trace(chip); |
| 492 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 493 | } |
| 494 | } else { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 495 | rtsx_trace(chip); |
| 496 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 497 | } |
| 498 | |
| 499 | if (CHK_MMC_SECTOR_MODE(sd_card)) { |
| 500 | sd_card->capacity = 0; |
| 501 | } else { |
| 502 | if ((!CHK_SD_HCXC(sd_card)) || (csd_ver == 0)) { |
| 503 | u8 blk_size, c_size_mult; |
| 504 | u16 c_size; |
Tina Johnson | 767c6a5 | 2014-09-21 11:38:11 +0530 | [diff] [blame] | 505 | |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 506 | blk_size = rsp[6] & 0x0F; |
| 507 | c_size = ((u16)(rsp[7] & 0x03) << 10) |
| 508 | + ((u16)rsp[8] << 2) |
| 509 | + ((u16)(rsp[9] & 0xC0) >> 6); |
| 510 | c_size_mult = (u8)((rsp[10] & 0x03) << 1); |
| 511 | c_size_mult += (rsp[11] & 0x80) >> 7; |
| 512 | sd_card->capacity = (((u32)(c_size + 1)) * |
| 513 | (1 << (c_size_mult + 2))) |
| 514 | << (blk_size - 9); |
| 515 | } else { |
| 516 | u32 total_sector = 0; |
Tina Johnson | 767c6a5 | 2014-09-21 11:38:11 +0530 | [diff] [blame] | 517 | |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 518 | total_sector = (((u32)rsp[8] & 0x3f) << 16) | |
| 519 | ((u32)rsp[9] << 8) | (u32)rsp[10]; |
| 520 | sd_card->capacity = (total_sector + 1) << 10; |
| 521 | } |
| 522 | } |
| 523 | |
| 524 | if (check_wp) { |
| 525 | if (rsp[15] & 0x30) |
| 526 | chip->card_wp |= SD_CARD; |
| 527 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 528 | dev_dbg(rtsx_dev(chip), "CSD WP Status: 0x%x\n", rsp[15]); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 529 | } |
| 530 | |
| 531 | return STATUS_SUCCESS; |
| 532 | } |
| 533 | |
| 534 | static int sd_set_sample_push_timing(struct rtsx_chip *chip) |
| 535 | { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 536 | int retval; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 537 | struct sd_info *sd_card = &(chip->sd_card); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 538 | u8 val = 0; |
| 539 | |
| 540 | if ((chip->sd_ctl & SD_PUSH_POINT_CTL_MASK) == SD_PUSH_POINT_DELAY) |
| 541 | val |= 0x10; |
| 542 | |
| 543 | if ((chip->sd_ctl & SD_SAMPLE_POINT_CTL_MASK) == SD_SAMPLE_POINT_AUTO) { |
| 544 | if (chip->asic_code) { |
| 545 | if (CHK_SD_HS(sd_card) || CHK_MMC_52M(sd_card)) { |
| 546 | if (val & 0x10) |
| 547 | val |= 0x04; |
| 548 | else |
| 549 | val |= 0x08; |
| 550 | } |
| 551 | } else { |
| 552 | if (val & 0x10) |
| 553 | val |= 0x04; |
| 554 | else |
| 555 | val |= 0x08; |
| 556 | } |
| 557 | } else if ((chip->sd_ctl & SD_SAMPLE_POINT_CTL_MASK) == |
| 558 | SD_SAMPLE_POINT_DELAY) { |
| 559 | if (val & 0x10) |
| 560 | val |= 0x04; |
| 561 | else |
| 562 | val |= 0x08; |
| 563 | } |
| 564 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 565 | retval = rtsx_write_register(chip, REG_SD_CFG1, 0x1C, val); |
| 566 | if (retval) { |
| 567 | rtsx_trace(chip); |
| 568 | return retval; |
| 569 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 570 | |
| 571 | return STATUS_SUCCESS; |
| 572 | } |
| 573 | |
| 574 | static void sd_choose_proper_clock(struct rtsx_chip *chip) |
| 575 | { |
| 576 | struct sd_info *sd_card = &(chip->sd_card); |
| 577 | |
| 578 | if (CHK_SD_SDR104(sd_card)) { |
| 579 | if (chip->asic_code) |
| 580 | sd_card->sd_clock = chip->asic_sd_sdr104_clk; |
| 581 | else |
| 582 | sd_card->sd_clock = chip->fpga_sd_sdr104_clk; |
| 583 | |
| 584 | } else if (CHK_SD_DDR50(sd_card)) { |
| 585 | if (chip->asic_code) |
| 586 | sd_card->sd_clock = chip->asic_sd_ddr50_clk; |
| 587 | else |
| 588 | sd_card->sd_clock = chip->fpga_sd_ddr50_clk; |
| 589 | |
| 590 | } else if (CHK_SD_SDR50(sd_card)) { |
| 591 | if (chip->asic_code) |
| 592 | sd_card->sd_clock = chip->asic_sd_sdr50_clk; |
| 593 | else |
| 594 | sd_card->sd_clock = chip->fpga_sd_sdr50_clk; |
| 595 | |
| 596 | } else if (CHK_SD_HS(sd_card)) { |
| 597 | if (chip->asic_code) |
| 598 | sd_card->sd_clock = chip->asic_sd_hs_clk; |
| 599 | else |
| 600 | sd_card->sd_clock = chip->fpga_sd_hs_clk; |
| 601 | |
| 602 | } else if (CHK_MMC_52M(sd_card) || CHK_MMC_DDR52(sd_card)) { |
| 603 | if (chip->asic_code) |
| 604 | sd_card->sd_clock = chip->asic_mmc_52m_clk; |
| 605 | else |
| 606 | sd_card->sd_clock = chip->fpga_mmc_52m_clk; |
| 607 | |
| 608 | } else if (CHK_MMC_26M(sd_card)) { |
| 609 | if (chip->asic_code) |
| 610 | sd_card->sd_clock = 48; |
| 611 | else |
| 612 | sd_card->sd_clock = CLK_50; |
| 613 | } |
| 614 | } |
| 615 | |
| 616 | static int sd_set_clock_divider(struct rtsx_chip *chip, u8 clk_div) |
| 617 | { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 618 | int retval; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 619 | u8 mask = 0, val = 0; |
| 620 | |
| 621 | mask = 0x60; |
| 622 | if (clk_div == SD_CLK_DIVIDE_0) |
| 623 | val = 0x00; |
| 624 | else if (clk_div == SD_CLK_DIVIDE_128) |
| 625 | val = 0x40; |
| 626 | else if (clk_div == SD_CLK_DIVIDE_256) |
| 627 | val = 0x20; |
| 628 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 629 | retval = rtsx_write_register(chip, REG_SD_CFG1, mask, val); |
| 630 | if (retval) { |
| 631 | rtsx_trace(chip); |
| 632 | return retval; |
| 633 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 634 | |
| 635 | return STATUS_SUCCESS; |
| 636 | } |
| 637 | |
| 638 | static int sd_set_init_para(struct rtsx_chip *chip) |
| 639 | { |
| 640 | struct sd_info *sd_card = &(chip->sd_card); |
| 641 | int retval; |
| 642 | |
| 643 | retval = sd_set_sample_push_timing(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 644 | if (retval != STATUS_SUCCESS) { |
| 645 | rtsx_trace(chip); |
| 646 | return STATUS_FAIL; |
| 647 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 648 | |
| 649 | sd_choose_proper_clock(chip); |
| 650 | |
| 651 | retval = switch_clock(chip, sd_card->sd_clock); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 652 | if (retval != STATUS_SUCCESS) { |
| 653 | rtsx_trace(chip); |
| 654 | return STATUS_FAIL; |
| 655 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 656 | |
| 657 | return STATUS_SUCCESS; |
| 658 | } |
| 659 | |
| 660 | int sd_select_card(struct rtsx_chip *chip, int select) |
| 661 | { |
| 662 | struct sd_info *sd_card = &(chip->sd_card); |
| 663 | int retval; |
| 664 | u8 cmd_idx, cmd_type; |
| 665 | u32 addr; |
| 666 | |
| 667 | if (select) { |
| 668 | cmd_idx = SELECT_CARD; |
| 669 | cmd_type = SD_RSP_TYPE_R1; |
| 670 | addr = sd_card->sd_addr; |
| 671 | } else { |
| 672 | cmd_idx = DESELECT_CARD; |
| 673 | cmd_type = SD_RSP_TYPE_R0; |
| 674 | addr = 0; |
| 675 | } |
| 676 | |
| 677 | retval = sd_send_cmd_get_rsp(chip, cmd_idx, addr, cmd_type, NULL, 0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 678 | if (retval != STATUS_SUCCESS) { |
| 679 | rtsx_trace(chip); |
| 680 | return STATUS_FAIL; |
| 681 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 682 | |
| 683 | return STATUS_SUCCESS; |
| 684 | } |
| 685 | |
| 686 | #ifdef SUPPORT_SD_LOCK |
| 687 | static int sd_update_lock_status(struct rtsx_chip *chip) |
| 688 | { |
| 689 | struct sd_info *sd_card = &(chip->sd_card); |
| 690 | int retval; |
| 691 | u8 rsp[5]; |
| 692 | |
| 693 | retval = sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, |
| 694 | SD_RSP_TYPE_R1, rsp, 5); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 695 | if (retval != STATUS_SUCCESS) { |
| 696 | rtsx_trace(chip); |
| 697 | return STATUS_FAIL; |
| 698 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 699 | |
| 700 | if (rsp[1] & 0x02) |
| 701 | sd_card->sd_lock_status |= SD_LOCKED; |
| 702 | else |
| 703 | sd_card->sd_lock_status &= ~SD_LOCKED; |
| 704 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 705 | dev_dbg(rtsx_dev(chip), "sd_card->sd_lock_status = 0x%x\n", |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 706 | sd_card->sd_lock_status); |
| 707 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 708 | if (rsp[1] & 0x01) { |
| 709 | rtsx_trace(chip); |
| 710 | return STATUS_FAIL; |
| 711 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 712 | |
| 713 | return STATUS_SUCCESS; |
| 714 | } |
| 715 | #endif |
| 716 | |
| 717 | static int sd_wait_state_data_ready(struct rtsx_chip *chip, u8 state, |
| 718 | u8 data_ready, int polling_cnt) |
| 719 | { |
| 720 | struct sd_info *sd_card = &(chip->sd_card); |
| 721 | int retval, i; |
| 722 | u8 rsp[5]; |
| 723 | |
| 724 | for (i = 0; i < polling_cnt; i++) { |
| 725 | retval = sd_send_cmd_get_rsp(chip, SEND_STATUS, |
| 726 | sd_card->sd_addr, SD_RSP_TYPE_R1, rsp, |
| 727 | 5); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 728 | if (retval != STATUS_SUCCESS) { |
| 729 | rtsx_trace(chip); |
| 730 | return STATUS_FAIL; |
| 731 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 732 | |
| 733 | if (((rsp[3] & 0x1E) == state) && |
| 734 | ((rsp[3] & 0x01) == data_ready)) |
| 735 | return STATUS_SUCCESS; |
| 736 | } |
| 737 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 738 | rtsx_trace(chip); |
| 739 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 740 | } |
| 741 | |
| 742 | static int sd_change_bank_voltage(struct rtsx_chip *chip, u8 voltage) |
| 743 | { |
| 744 | int retval; |
| 745 | |
| 746 | if (voltage == SD_IO_3V3) { |
| 747 | if (chip->asic_code) { |
| 748 | retval = rtsx_write_phy_register(chip, 0x08, |
| 749 | 0x4FC0 | |
| 750 | chip->phy_voltage); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 751 | if (retval != STATUS_SUCCESS) { |
| 752 | rtsx_trace(chip); |
| 753 | return STATUS_FAIL; |
| 754 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 755 | } else { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 756 | retval = rtsx_write_register(chip, SD_PAD_CTL, |
| 757 | SD_IO_USING_1V8, 0); |
| 758 | if (retval) { |
| 759 | rtsx_trace(chip); |
| 760 | return retval; |
| 761 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 762 | } |
| 763 | } else if (voltage == SD_IO_1V8) { |
| 764 | if (chip->asic_code) { |
| 765 | retval = rtsx_write_phy_register(chip, 0x08, |
| 766 | 0x4C40 | |
| 767 | chip->phy_voltage); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 768 | if (retval != STATUS_SUCCESS) { |
| 769 | rtsx_trace(chip); |
| 770 | return STATUS_FAIL; |
| 771 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 772 | } else { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 773 | retval = rtsx_write_register(chip, SD_PAD_CTL, |
| 774 | SD_IO_USING_1V8, |
| 775 | SD_IO_USING_1V8); |
| 776 | if (retval) { |
| 777 | rtsx_trace(chip); |
| 778 | return retval; |
| 779 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 780 | } |
| 781 | } else { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 782 | rtsx_trace(chip); |
| 783 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 784 | } |
| 785 | |
| 786 | return STATUS_SUCCESS; |
| 787 | } |
| 788 | |
| 789 | static int sd_voltage_switch(struct rtsx_chip *chip) |
| 790 | { |
| 791 | int retval; |
| 792 | u8 stat; |
| 793 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 794 | retval = rtsx_write_register(chip, SD_BUS_STAT, |
| 795 | SD_CLK_TOGGLE_EN | SD_CLK_FORCE_STOP, |
| 796 | SD_CLK_TOGGLE_EN); |
| 797 | if (retval) { |
| 798 | rtsx_trace(chip); |
| 799 | return retval; |
| 800 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 801 | |
| 802 | retval = sd_send_cmd_get_rsp(chip, VOLTAGE_SWITCH, 0, SD_RSP_TYPE_R1, |
| 803 | NULL, 0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 804 | if (retval != STATUS_SUCCESS) { |
| 805 | rtsx_trace(chip); |
| 806 | return STATUS_FAIL; |
| 807 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 808 | |
| 809 | udelay(chip->sd_voltage_switch_delay); |
| 810 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 811 | retval = rtsx_read_register(chip, SD_BUS_STAT, &stat); |
| 812 | if (retval) { |
| 813 | rtsx_trace(chip); |
| 814 | return retval; |
| 815 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 816 | if (stat & (SD_CMD_STATUS | SD_DAT3_STATUS | SD_DAT2_STATUS | |
| 817 | SD_DAT1_STATUS | SD_DAT0_STATUS)) { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 818 | rtsx_trace(chip); |
| 819 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 820 | } |
| 821 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 822 | retval = rtsx_write_register(chip, SD_BUS_STAT, 0xFF, |
| 823 | SD_CLK_FORCE_STOP); |
| 824 | if (retval) { |
| 825 | rtsx_trace(chip); |
| 826 | return retval; |
| 827 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 828 | retval = sd_change_bank_voltage(chip, SD_IO_1V8); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 829 | if (retval != STATUS_SUCCESS) { |
| 830 | rtsx_trace(chip); |
| 831 | return STATUS_FAIL; |
| 832 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 833 | |
| 834 | wait_timeout(50); |
| 835 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 836 | retval = rtsx_write_register(chip, SD_BUS_STAT, 0xFF, |
| 837 | SD_CLK_TOGGLE_EN); |
| 838 | if (retval) { |
| 839 | rtsx_trace(chip); |
| 840 | return retval; |
| 841 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 842 | wait_timeout(10); |
| 843 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 844 | retval = rtsx_read_register(chip, SD_BUS_STAT, &stat); |
| 845 | if (retval) { |
| 846 | rtsx_trace(chip); |
| 847 | return retval; |
| 848 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 849 | if ((stat & (SD_CMD_STATUS | SD_DAT3_STATUS | SD_DAT2_STATUS | |
| 850 | SD_DAT1_STATUS | SD_DAT0_STATUS)) != |
| 851 | (SD_CMD_STATUS | SD_DAT3_STATUS | SD_DAT2_STATUS | |
| 852 | SD_DAT1_STATUS | SD_DAT0_STATUS)) { |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 853 | dev_dbg(rtsx_dev(chip), "SD_BUS_STAT: 0x%x\n", stat); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 854 | rtsx_write_register(chip, SD_BUS_STAT, |
| 855 | SD_CLK_TOGGLE_EN | SD_CLK_FORCE_STOP, 0); |
| 856 | rtsx_write_register(chip, CARD_CLK_EN, 0xFF, 0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 857 | rtsx_trace(chip); |
| 858 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 859 | } |
| 860 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 861 | retval = rtsx_write_register(chip, SD_BUS_STAT, |
| 862 | SD_CLK_TOGGLE_EN | SD_CLK_FORCE_STOP, 0); |
| 863 | if (retval) { |
| 864 | rtsx_trace(chip); |
| 865 | return retval; |
| 866 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 867 | |
| 868 | return STATUS_SUCCESS; |
| 869 | } |
| 870 | |
| 871 | static int sd_reset_dcm(struct rtsx_chip *chip, u8 tune_dir) |
| 872 | { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 873 | int retval; |
| 874 | |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 875 | if (tune_dir == TUNE_RX) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 876 | retval = rtsx_write_register(chip, DCM_DRP_CTL, 0xFF, |
| 877 | DCM_RESET | DCM_RX); |
| 878 | if (retval) { |
| 879 | rtsx_trace(chip); |
| 880 | return retval; |
| 881 | } |
| 882 | retval = rtsx_write_register(chip, DCM_DRP_CTL, 0xFF, DCM_RX); |
| 883 | if (retval) { |
| 884 | rtsx_trace(chip); |
| 885 | return retval; |
| 886 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 887 | } else { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 888 | retval = rtsx_write_register(chip, DCM_DRP_CTL, 0xFF, |
| 889 | DCM_RESET | DCM_TX); |
| 890 | if (retval) { |
| 891 | rtsx_trace(chip); |
| 892 | return retval; |
| 893 | } |
| 894 | retval = rtsx_write_register(chip, DCM_DRP_CTL, 0xFF, DCM_TX); |
| 895 | if (retval) { |
| 896 | rtsx_trace(chip); |
| 897 | return retval; |
| 898 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 899 | } |
| 900 | |
| 901 | return STATUS_SUCCESS; |
| 902 | } |
| 903 | |
| 904 | static int sd_change_phase(struct rtsx_chip *chip, u8 sample_point, u8 tune_dir) |
| 905 | { |
| 906 | struct sd_info *sd_card = &(chip->sd_card); |
| 907 | u16 SD_VP_CTL, SD_DCMPS_CTL; |
| 908 | u8 val; |
| 909 | int retval; |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 910 | bool ddr_rx = false; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 911 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 912 | dev_dbg(rtsx_dev(chip), "sd_change_phase (sample_point = %d, tune_dir = %d)\n", |
| 913 | sample_point, tune_dir); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 914 | |
| 915 | if (tune_dir == TUNE_RX) { |
| 916 | SD_VP_CTL = SD_VPRX_CTL; |
| 917 | SD_DCMPS_CTL = SD_DCMPS_RX_CTL; |
| 918 | if (CHK_SD_DDR50(sd_card)) |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 919 | ddr_rx = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 920 | } else { |
| 921 | SD_VP_CTL = SD_VPTX_CTL; |
| 922 | SD_DCMPS_CTL = SD_DCMPS_TX_CTL; |
| 923 | } |
| 924 | |
| 925 | if (chip->asic_code) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 926 | retval = rtsx_write_register(chip, CLK_CTL, CHANGE_CLK, |
| 927 | CHANGE_CLK); |
| 928 | if (retval) { |
| 929 | rtsx_trace(chip); |
| 930 | return retval; |
| 931 | } |
| 932 | retval = rtsx_write_register(chip, SD_VP_CTL, 0x1F, |
| 933 | sample_point); |
| 934 | if (retval) { |
| 935 | rtsx_trace(chip); |
| 936 | return retval; |
| 937 | } |
| 938 | retval = rtsx_write_register(chip, SD_VPCLK0_CTL, |
| 939 | PHASE_NOT_RESET, 0); |
| 940 | if (retval) { |
| 941 | rtsx_trace(chip); |
| 942 | return retval; |
| 943 | } |
| 944 | retval = rtsx_write_register(chip, SD_VPCLK0_CTL, |
| 945 | PHASE_NOT_RESET, PHASE_NOT_RESET); |
| 946 | if (retval) { |
| 947 | rtsx_trace(chip); |
| 948 | return retval; |
| 949 | } |
| 950 | retval = rtsx_write_register(chip, CLK_CTL, CHANGE_CLK, 0); |
| 951 | if (retval) { |
| 952 | rtsx_trace(chip); |
| 953 | return retval; |
| 954 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 955 | } else { |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 956 | rtsx_read_register(chip, SD_VP_CTL, &val); |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 957 | dev_dbg(rtsx_dev(chip), "SD_VP_CTL: 0x%x\n", val); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 958 | rtsx_read_register(chip, SD_DCMPS_CTL, &val); |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 959 | dev_dbg(rtsx_dev(chip), "SD_DCMPS_CTL: 0x%x\n", val); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 960 | |
| 961 | if (ddr_rx) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 962 | retval = rtsx_write_register(chip, SD_VP_CTL, |
| 963 | PHASE_CHANGE, |
| 964 | PHASE_CHANGE); |
| 965 | if (retval) { |
| 966 | rtsx_trace(chip); |
| 967 | return retval; |
| 968 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 969 | udelay(50); |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 970 | retval = rtsx_write_register(chip, SD_VP_CTL, 0xFF, |
| 971 | PHASE_CHANGE | PHASE_NOT_RESET | sample_point); |
| 972 | if (retval) { |
| 973 | rtsx_trace(chip); |
| 974 | return retval; |
| 975 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 976 | } else { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 977 | retval = rtsx_write_register(chip, CLK_CTL, |
| 978 | CHANGE_CLK, CHANGE_CLK); |
| 979 | if (retval) { |
| 980 | rtsx_trace(chip); |
| 981 | return retval; |
| 982 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 983 | udelay(50); |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 984 | retval = rtsx_write_register(chip, SD_VP_CTL, 0xFF, |
| 985 | PHASE_NOT_RESET | sample_point); |
| 986 | if (retval) { |
| 987 | rtsx_trace(chip); |
| 988 | return retval; |
| 989 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 990 | } |
| 991 | udelay(100); |
| 992 | |
| 993 | rtsx_init_cmd(chip); |
| 994 | rtsx_add_cmd(chip, WRITE_REG_CMD, SD_DCMPS_CTL, DCMPS_CHANGE, |
| 995 | DCMPS_CHANGE); |
| 996 | rtsx_add_cmd(chip, CHECK_REG_CMD, SD_DCMPS_CTL, |
| 997 | DCMPS_CHANGE_DONE, DCMPS_CHANGE_DONE); |
| 998 | retval = rtsx_send_cmd(chip, SD_CARD, 100); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 999 | if (retval != STATUS_SUCCESS) { |
| 1000 | rtsx_trace(chip); |
| 1001 | goto Fail; |
| 1002 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1003 | |
| 1004 | val = *rtsx_get_cmd_data(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1005 | if (val & DCMPS_ERROR) { |
| 1006 | rtsx_trace(chip); |
| 1007 | goto Fail; |
| 1008 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1009 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1010 | if ((val & DCMPS_CURRENT_PHASE) != sample_point) { |
| 1011 | rtsx_trace(chip); |
| 1012 | goto Fail; |
| 1013 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1014 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1015 | retval = rtsx_write_register(chip, SD_DCMPS_CTL, |
| 1016 | DCMPS_CHANGE, 0); |
| 1017 | if (retval) { |
| 1018 | rtsx_trace(chip); |
| 1019 | return retval; |
| 1020 | } |
| 1021 | if (ddr_rx) { |
| 1022 | retval = rtsx_write_register(chip, SD_VP_CTL, |
| 1023 | PHASE_CHANGE, 0); |
| 1024 | if (retval) { |
| 1025 | rtsx_trace(chip); |
| 1026 | return retval; |
| 1027 | } |
| 1028 | } else { |
| 1029 | retval = rtsx_write_register(chip, CLK_CTL, |
| 1030 | CHANGE_CLK, 0); |
| 1031 | if (retval) { |
| 1032 | rtsx_trace(chip); |
| 1033 | return retval; |
| 1034 | } |
| 1035 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1036 | |
| 1037 | udelay(50); |
| 1038 | } |
| 1039 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1040 | retval = rtsx_write_register(chip, SD_CFG1, SD_ASYNC_FIFO_NOT_RST, 0); |
| 1041 | if (retval) { |
| 1042 | rtsx_trace(chip); |
| 1043 | return retval; |
| 1044 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1045 | |
| 1046 | return STATUS_SUCCESS; |
| 1047 | |
| 1048 | Fail: |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1049 | rtsx_read_register(chip, SD_VP_CTL, &val); |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 1050 | dev_dbg(rtsx_dev(chip), "SD_VP_CTL: 0x%x\n", val); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1051 | rtsx_read_register(chip, SD_DCMPS_CTL, &val); |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 1052 | dev_dbg(rtsx_dev(chip), "SD_DCMPS_CTL: 0x%x\n", val); |
Fabio Falzoi | a855861 | 2014-08-05 23:24:18 +0200 | [diff] [blame] | 1053 | |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1054 | rtsx_write_register(chip, SD_DCMPS_CTL, DCMPS_CHANGE, 0); |
| 1055 | rtsx_write_register(chip, SD_VP_CTL, PHASE_CHANGE, 0); |
| 1056 | wait_timeout(10); |
| 1057 | sd_reset_dcm(chip, tune_dir); |
| 1058 | return STATUS_FAIL; |
| 1059 | } |
| 1060 | |
| 1061 | static int sd_check_spec(struct rtsx_chip *chip, u8 bus_width) |
| 1062 | { |
| 1063 | struct sd_info *sd_card = &(chip->sd_card); |
| 1064 | int retval; |
| 1065 | u8 cmd[5], buf[8]; |
| 1066 | |
| 1067 | retval = sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr, |
| 1068 | SD_RSP_TYPE_R1, NULL, 0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1069 | if (retval != STATUS_SUCCESS) { |
| 1070 | rtsx_trace(chip); |
| 1071 | return STATUS_FAIL; |
| 1072 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1073 | |
| 1074 | cmd[0] = 0x40 | SEND_SCR; |
| 1075 | cmd[1] = 0; |
| 1076 | cmd[2] = 0; |
| 1077 | cmd[3] = 0; |
| 1078 | cmd[4] = 0; |
| 1079 | |
| 1080 | retval = sd_read_data(chip, SD_TM_NORMAL_READ, cmd, 5, 8, 1, bus_width, |
| 1081 | buf, 8, 250); |
| 1082 | if (retval != STATUS_SUCCESS) { |
| 1083 | rtsx_clear_sd_error(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1084 | rtsx_trace(chip); |
| 1085 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1086 | } |
| 1087 | |
| 1088 | memcpy(sd_card->raw_scr, buf, 8); |
| 1089 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1090 | if ((buf[0] & 0x0F) == 0) { |
| 1091 | rtsx_trace(chip); |
| 1092 | return STATUS_FAIL; |
| 1093 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1094 | |
| 1095 | return STATUS_SUCCESS; |
| 1096 | } |
| 1097 | |
| 1098 | static int sd_query_switch_result(struct rtsx_chip *chip, u8 func_group, |
| 1099 | u8 func_to_switch, u8 *buf, int buf_len) |
| 1100 | { |
| 1101 | u8 support_mask = 0, query_switch = 0, switch_busy = 0; |
| 1102 | int support_offset = 0, query_switch_offset = 0, check_busy_offset = 0; |
| 1103 | |
| 1104 | if (func_group == SD_FUNC_GROUP_1) { |
| 1105 | support_offset = FUNCTION_GROUP1_SUPPORT_OFFSET; |
| 1106 | query_switch_offset = FUNCTION_GROUP1_QUERY_SWITCH_OFFSET; |
| 1107 | check_busy_offset = FUNCTION_GROUP1_CHECK_BUSY_OFFSET; |
| 1108 | |
| 1109 | switch (func_to_switch) { |
| 1110 | case HS_SUPPORT: |
| 1111 | support_mask = HS_SUPPORT_MASK; |
| 1112 | query_switch = HS_QUERY_SWITCH_OK; |
| 1113 | switch_busy = HS_SWITCH_BUSY; |
| 1114 | break; |
| 1115 | |
| 1116 | case SDR50_SUPPORT: |
| 1117 | support_mask = SDR50_SUPPORT_MASK; |
| 1118 | query_switch = SDR50_QUERY_SWITCH_OK; |
| 1119 | switch_busy = SDR50_SWITCH_BUSY; |
| 1120 | break; |
| 1121 | |
| 1122 | case SDR104_SUPPORT: |
| 1123 | support_mask = SDR104_SUPPORT_MASK; |
| 1124 | query_switch = SDR104_QUERY_SWITCH_OK; |
| 1125 | switch_busy = SDR104_SWITCH_BUSY; |
| 1126 | break; |
| 1127 | |
| 1128 | case DDR50_SUPPORT: |
| 1129 | support_mask = DDR50_SUPPORT_MASK; |
| 1130 | query_switch = DDR50_QUERY_SWITCH_OK; |
| 1131 | switch_busy = DDR50_SWITCH_BUSY; |
| 1132 | break; |
| 1133 | |
| 1134 | default: |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1135 | rtsx_trace(chip); |
| 1136 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1137 | } |
| 1138 | } else if (func_group == SD_FUNC_GROUP_3) { |
| 1139 | support_offset = FUNCTION_GROUP3_SUPPORT_OFFSET; |
| 1140 | query_switch_offset = FUNCTION_GROUP3_QUERY_SWITCH_OFFSET; |
| 1141 | check_busy_offset = FUNCTION_GROUP3_CHECK_BUSY_OFFSET; |
| 1142 | |
| 1143 | switch (func_to_switch) { |
| 1144 | case DRIVING_TYPE_A: |
| 1145 | support_mask = DRIVING_TYPE_A_MASK; |
| 1146 | query_switch = TYPE_A_QUERY_SWITCH_OK; |
| 1147 | switch_busy = TYPE_A_SWITCH_BUSY; |
| 1148 | break; |
| 1149 | |
| 1150 | case DRIVING_TYPE_C: |
| 1151 | support_mask = DRIVING_TYPE_C_MASK; |
| 1152 | query_switch = TYPE_C_QUERY_SWITCH_OK; |
| 1153 | switch_busy = TYPE_C_SWITCH_BUSY; |
| 1154 | break; |
| 1155 | |
| 1156 | case DRIVING_TYPE_D: |
| 1157 | support_mask = DRIVING_TYPE_D_MASK; |
| 1158 | query_switch = TYPE_D_QUERY_SWITCH_OK; |
| 1159 | switch_busy = TYPE_D_SWITCH_BUSY; |
| 1160 | break; |
| 1161 | |
| 1162 | default: |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1163 | rtsx_trace(chip); |
| 1164 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1165 | } |
| 1166 | } else if (func_group == SD_FUNC_GROUP_4) { |
| 1167 | support_offset = FUNCTION_GROUP4_SUPPORT_OFFSET; |
| 1168 | query_switch_offset = FUNCTION_GROUP4_QUERY_SWITCH_OFFSET; |
| 1169 | check_busy_offset = FUNCTION_GROUP4_CHECK_BUSY_OFFSET; |
| 1170 | |
| 1171 | switch (func_to_switch) { |
| 1172 | case CURRENT_LIMIT_400: |
| 1173 | support_mask = CURRENT_LIMIT_400_MASK; |
| 1174 | query_switch = CURRENT_LIMIT_400_QUERY_SWITCH_OK; |
| 1175 | switch_busy = CURRENT_LIMIT_400_SWITCH_BUSY; |
| 1176 | break; |
| 1177 | |
| 1178 | case CURRENT_LIMIT_600: |
| 1179 | support_mask = CURRENT_LIMIT_600_MASK; |
| 1180 | query_switch = CURRENT_LIMIT_600_QUERY_SWITCH_OK; |
| 1181 | switch_busy = CURRENT_LIMIT_600_SWITCH_BUSY; |
| 1182 | break; |
| 1183 | |
| 1184 | case CURRENT_LIMIT_800: |
| 1185 | support_mask = CURRENT_LIMIT_800_MASK; |
| 1186 | query_switch = CURRENT_LIMIT_800_QUERY_SWITCH_OK; |
| 1187 | switch_busy = CURRENT_LIMIT_800_SWITCH_BUSY; |
| 1188 | break; |
| 1189 | |
| 1190 | default: |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1191 | rtsx_trace(chip); |
| 1192 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1193 | } |
| 1194 | } else { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1195 | rtsx_trace(chip); |
| 1196 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1197 | } |
| 1198 | |
| 1199 | if (func_group == SD_FUNC_GROUP_1) { |
| 1200 | if (!(buf[support_offset] & support_mask) || |
| 1201 | ((buf[query_switch_offset] & 0x0F) != query_switch)) { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1202 | rtsx_trace(chip); |
| 1203 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1204 | } |
| 1205 | } |
| 1206 | |
| 1207 | /* Check 'Busy Status' */ |
| 1208 | if ((buf[DATA_STRUCTURE_VER_OFFSET] == 0x01) && |
| 1209 | ((buf[check_busy_offset] & switch_busy) == switch_busy)) { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1210 | rtsx_trace(chip); |
| 1211 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1212 | } |
| 1213 | |
| 1214 | return STATUS_SUCCESS; |
| 1215 | } |
| 1216 | |
| 1217 | static int sd_check_switch_mode(struct rtsx_chip *chip, u8 mode, |
| 1218 | u8 func_group, u8 func_to_switch, u8 bus_width) |
| 1219 | { |
| 1220 | struct sd_info *sd_card = &(chip->sd_card); |
| 1221 | int retval; |
| 1222 | u8 cmd[5], buf[64]; |
| 1223 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 1224 | dev_dbg(rtsx_dev(chip), "sd_check_switch_mode (mode = %d, func_group = %d, func_to_switch = %d)\n", |
| 1225 | mode, func_group, func_to_switch); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1226 | |
| 1227 | cmd[0] = 0x40 | SWITCH; |
| 1228 | cmd[1] = mode; |
| 1229 | |
| 1230 | if (func_group == SD_FUNC_GROUP_1) { |
| 1231 | cmd[2] = 0xFF; |
| 1232 | cmd[3] = 0xFF; |
| 1233 | cmd[4] = 0xF0 + func_to_switch; |
| 1234 | } else if (func_group == SD_FUNC_GROUP_3) { |
| 1235 | cmd[2] = 0xFF; |
| 1236 | cmd[3] = 0xF0 + func_to_switch; |
| 1237 | cmd[4] = 0xFF; |
| 1238 | } else if (func_group == SD_FUNC_GROUP_4) { |
| 1239 | cmd[2] = 0xFF; |
| 1240 | cmd[3] = 0x0F + (func_to_switch << 4); |
| 1241 | cmd[4] = 0xFF; |
| 1242 | } else { |
| 1243 | cmd[1] = SD_CHECK_MODE; |
| 1244 | cmd[2] = 0xFF; |
| 1245 | cmd[3] = 0xFF; |
| 1246 | cmd[4] = 0xFF; |
| 1247 | } |
| 1248 | |
| 1249 | retval = sd_read_data(chip, SD_TM_NORMAL_READ, cmd, 5, 64, 1, bus_width, |
| 1250 | buf, 64, 250); |
| 1251 | if (retval != STATUS_SUCCESS) { |
| 1252 | rtsx_clear_sd_error(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1253 | rtsx_trace(chip); |
| 1254 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1255 | } |
| 1256 | |
Fabio Falzoi | 69b8b22 | 2014-08-05 23:24:17 +0200 | [diff] [blame] | 1257 | dev_dbg(rtsx_dev(chip), "%*ph\n", 64, buf); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1258 | |
| 1259 | if (func_group == NO_ARGUMENT) { |
| 1260 | sd_card->func_group1_mask = buf[0x0D]; |
| 1261 | sd_card->func_group2_mask = buf[0x0B]; |
| 1262 | sd_card->func_group3_mask = buf[0x09]; |
| 1263 | sd_card->func_group4_mask = buf[0x07]; |
| 1264 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 1265 | dev_dbg(rtsx_dev(chip), "func_group1_mask = 0x%02x\n", |
| 1266 | buf[0x0D]); |
| 1267 | dev_dbg(rtsx_dev(chip), "func_group2_mask = 0x%02x\n", |
| 1268 | buf[0x0B]); |
| 1269 | dev_dbg(rtsx_dev(chip), "func_group3_mask = 0x%02x\n", |
| 1270 | buf[0x09]); |
| 1271 | dev_dbg(rtsx_dev(chip), "func_group4_mask = 0x%02x\n", |
| 1272 | buf[0x07]); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1273 | } else { |
| 1274 | /* Maximum current consumption, check whether current is |
| 1275 | * acceptable; bit[511:496] = 0x0000 means some error happened. |
| 1276 | */ |
| 1277 | u16 cc = ((u16)buf[0] << 8) | buf[1]; |
Tina Johnson | 767c6a5 | 2014-09-21 11:38:11 +0530 | [diff] [blame] | 1278 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 1279 | dev_dbg(rtsx_dev(chip), "Maximum current consumption: %dmA\n", |
| 1280 | cc); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1281 | if ((cc == 0) || (cc > 800)) { |
| 1282 | rtsx_trace(chip); |
| 1283 | return STATUS_FAIL; |
| 1284 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1285 | |
| 1286 | retval = sd_query_switch_result(chip, func_group, |
| 1287 | func_to_switch, buf, 64); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1288 | if (retval != STATUS_SUCCESS) { |
| 1289 | rtsx_trace(chip); |
| 1290 | return STATUS_FAIL; |
| 1291 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1292 | |
| 1293 | if ((cc > 400) || (func_to_switch > CURRENT_LIMIT_400)) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1294 | retval = rtsx_write_register(chip, OCPPARA2, |
| 1295 | SD_OCP_THD_MASK, |
| 1296 | chip->sd_800mA_ocp_thd); |
| 1297 | if (retval) { |
| 1298 | rtsx_trace(chip); |
| 1299 | return retval; |
| 1300 | } |
| 1301 | retval = rtsx_write_register(chip, CARD_PWR_CTL, |
| 1302 | PMOS_STRG_MASK, |
| 1303 | PMOS_STRG_800mA); |
| 1304 | if (retval) { |
| 1305 | rtsx_trace(chip); |
| 1306 | return retval; |
| 1307 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1308 | } |
| 1309 | } |
| 1310 | |
| 1311 | return STATUS_SUCCESS; |
| 1312 | } |
| 1313 | |
| 1314 | static u8 downgrade_switch_mode(u8 func_group, u8 func_to_switch) |
| 1315 | { |
| 1316 | if (func_group == SD_FUNC_GROUP_1) { |
| 1317 | if (func_to_switch > HS_SUPPORT) |
| 1318 | func_to_switch--; |
| 1319 | |
| 1320 | } else if (func_group == SD_FUNC_GROUP_4) { |
| 1321 | if (func_to_switch > CURRENT_LIMIT_200) |
| 1322 | func_to_switch--; |
| 1323 | } |
| 1324 | |
| 1325 | return func_to_switch; |
| 1326 | } |
| 1327 | |
| 1328 | static int sd_check_switch(struct rtsx_chip *chip, |
| 1329 | u8 func_group, u8 func_to_switch, u8 bus_width) |
| 1330 | { |
| 1331 | int retval; |
| 1332 | int i; |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 1333 | bool switch_good = false; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1334 | |
| 1335 | for (i = 0; i < 3; i++) { |
| 1336 | if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) { |
| 1337 | sd_set_err_code(chip, SD_NO_CARD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1338 | rtsx_trace(chip); |
| 1339 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1340 | } |
| 1341 | |
| 1342 | retval = sd_check_switch_mode(chip, SD_CHECK_MODE, func_group, |
| 1343 | func_to_switch, bus_width); |
| 1344 | if (retval == STATUS_SUCCESS) { |
| 1345 | u8 stat; |
| 1346 | |
| 1347 | retval = sd_check_switch_mode(chip, SD_SWITCH_MODE, |
| 1348 | func_group, func_to_switch, bus_width); |
| 1349 | if (retval == STATUS_SUCCESS) { |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 1350 | switch_good = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1351 | break; |
| 1352 | } |
| 1353 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1354 | retval = rtsx_read_register(chip, SD_STAT1, &stat); |
| 1355 | if (retval) { |
| 1356 | rtsx_trace(chip); |
| 1357 | return retval; |
| 1358 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1359 | if (stat & SD_CRC16_ERR) { |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 1360 | dev_dbg(rtsx_dev(chip), "SD CRC16 error when switching mode\n"); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1361 | rtsx_trace(chip); |
| 1362 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1363 | } |
| 1364 | } |
| 1365 | |
| 1366 | func_to_switch = downgrade_switch_mode(func_group, |
| 1367 | func_to_switch); |
| 1368 | |
| 1369 | wait_timeout(20); |
| 1370 | } |
| 1371 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1372 | if (!switch_good) { |
| 1373 | rtsx_trace(chip); |
| 1374 | return STATUS_FAIL; |
| 1375 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1376 | |
| 1377 | return STATUS_SUCCESS; |
| 1378 | } |
| 1379 | |
| 1380 | static int sd_switch_function(struct rtsx_chip *chip, u8 bus_width) |
| 1381 | { |
| 1382 | struct sd_info *sd_card = &(chip->sd_card); |
| 1383 | int retval; |
| 1384 | int i; |
| 1385 | u8 func_to_switch = 0; |
| 1386 | |
| 1387 | /* Get supported functions */ |
| 1388 | retval = sd_check_switch_mode(chip, SD_CHECK_MODE, |
| 1389 | NO_ARGUMENT, NO_ARGUMENT, bus_width); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1390 | if (retval != STATUS_SUCCESS) { |
| 1391 | rtsx_trace(chip); |
| 1392 | return STATUS_FAIL; |
| 1393 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1394 | |
| 1395 | sd_card->func_group1_mask &= ~(sd_card->sd_switch_fail); |
| 1396 | |
| 1397 | /* Function Group 1: Access Mode */ |
| 1398 | for (i = 0; i < 4; i++) { |
| 1399 | switch ((u8)(chip->sd_speed_prior >> (i*8))) { |
| 1400 | case SDR104_SUPPORT: |
| 1401 | if ((sd_card->func_group1_mask & SDR104_SUPPORT_MASK) |
| 1402 | && chip->sdr104_en) { |
| 1403 | func_to_switch = SDR104_SUPPORT; |
| 1404 | } |
| 1405 | break; |
| 1406 | |
| 1407 | case DDR50_SUPPORT: |
| 1408 | if ((sd_card->func_group1_mask & DDR50_SUPPORT_MASK) |
| 1409 | && chip->ddr50_en) { |
| 1410 | func_to_switch = DDR50_SUPPORT; |
| 1411 | } |
| 1412 | break; |
| 1413 | |
| 1414 | case SDR50_SUPPORT: |
| 1415 | if ((sd_card->func_group1_mask & SDR50_SUPPORT_MASK) |
| 1416 | && chip->sdr50_en) { |
| 1417 | func_to_switch = SDR50_SUPPORT; |
| 1418 | } |
| 1419 | break; |
| 1420 | |
| 1421 | case HS_SUPPORT: |
| 1422 | if (sd_card->func_group1_mask & HS_SUPPORT_MASK) |
| 1423 | func_to_switch = HS_SUPPORT; |
| 1424 | |
| 1425 | break; |
| 1426 | |
| 1427 | default: |
| 1428 | continue; |
| 1429 | } |
| 1430 | |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1431 | if (func_to_switch) |
| 1432 | break; |
| 1433 | |
| 1434 | } |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 1435 | dev_dbg(rtsx_dev(chip), "SD_FUNC_GROUP_1: func_to_switch = 0x%02x", |
| 1436 | func_to_switch); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1437 | |
| 1438 | #ifdef SUPPORT_SD_LOCK |
Rehas Sachdeva | 0328217 | 2016-09-20 16:45:48 +0530 | [diff] [blame] | 1439 | if ((sd_card->sd_lock_status & SD_SDR_RST) && |
| 1440 | (func_to_switch == DDR50_SUPPORT) && |
| 1441 | (sd_card->func_group1_mask & SDR50_SUPPORT_MASK)) { |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1442 | func_to_switch = SDR50_SUPPORT; |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 1443 | dev_dbg(rtsx_dev(chip), "Using SDR50 instead of DDR50 for SD Lock\n"); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1444 | } |
| 1445 | #endif |
| 1446 | |
| 1447 | if (func_to_switch) { |
| 1448 | retval = sd_check_switch(chip, SD_FUNC_GROUP_1, func_to_switch, |
| 1449 | bus_width); |
| 1450 | if (retval != STATUS_SUCCESS) { |
| 1451 | if (func_to_switch == SDR104_SUPPORT) { |
| 1452 | sd_card->sd_switch_fail = SDR104_SUPPORT_MASK; |
| 1453 | } else if (func_to_switch == DDR50_SUPPORT) { |
| 1454 | sd_card->sd_switch_fail = SDR104_SUPPORT_MASK | |
| 1455 | DDR50_SUPPORT_MASK; |
| 1456 | } else if (func_to_switch == SDR50_SUPPORT) { |
| 1457 | sd_card->sd_switch_fail = SDR104_SUPPORT_MASK | |
| 1458 | DDR50_SUPPORT_MASK | SDR50_SUPPORT_MASK; |
| 1459 | } |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1460 | rtsx_trace(chip); |
| 1461 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1462 | } |
| 1463 | |
| 1464 | if (func_to_switch == SDR104_SUPPORT) |
| 1465 | SET_SD_SDR104(sd_card); |
| 1466 | else if (func_to_switch == DDR50_SUPPORT) |
| 1467 | SET_SD_DDR50(sd_card); |
| 1468 | else if (func_to_switch == SDR50_SUPPORT) |
| 1469 | SET_SD_SDR50(sd_card); |
| 1470 | else |
| 1471 | SET_SD_HS(sd_card); |
| 1472 | } |
| 1473 | |
| 1474 | if (CHK_SD_DDR50(sd_card)) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1475 | retval = rtsx_write_register(chip, SD_PUSH_POINT_CTL, 0x06, |
| 1476 | 0x04); |
| 1477 | if (retval) { |
| 1478 | rtsx_trace(chip); |
| 1479 | return retval; |
| 1480 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1481 | retval = sd_set_sample_push_timing(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1482 | if (retval != STATUS_SUCCESS) { |
| 1483 | rtsx_trace(chip); |
| 1484 | return STATUS_FAIL; |
| 1485 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1486 | } |
| 1487 | |
| 1488 | if (!func_to_switch || (func_to_switch == HS_SUPPORT)) { |
| 1489 | /* Do not try to switch current limit if the card doesn't |
| 1490 | * support UHS mode or we don't want it to support UHS mode |
| 1491 | */ |
| 1492 | return STATUS_SUCCESS; |
| 1493 | } |
| 1494 | |
| 1495 | /* Function Group 4: Current Limit */ |
| 1496 | func_to_switch = 0xFF; |
| 1497 | |
| 1498 | for (i = 0; i < 4; i++) { |
| 1499 | switch ((u8)(chip->sd_current_prior >> (i*8))) { |
| 1500 | case CURRENT_LIMIT_800: |
| 1501 | if (sd_card->func_group4_mask & CURRENT_LIMIT_800_MASK) |
| 1502 | func_to_switch = CURRENT_LIMIT_800; |
| 1503 | |
| 1504 | break; |
| 1505 | |
| 1506 | case CURRENT_LIMIT_600: |
| 1507 | if (sd_card->func_group4_mask & CURRENT_LIMIT_600_MASK) |
| 1508 | func_to_switch = CURRENT_LIMIT_600; |
| 1509 | |
| 1510 | break; |
| 1511 | |
| 1512 | case CURRENT_LIMIT_400: |
| 1513 | if (sd_card->func_group4_mask & CURRENT_LIMIT_400_MASK) |
| 1514 | func_to_switch = CURRENT_LIMIT_400; |
| 1515 | |
| 1516 | break; |
| 1517 | |
| 1518 | case CURRENT_LIMIT_200: |
| 1519 | if (sd_card->func_group4_mask & CURRENT_LIMIT_200_MASK) |
| 1520 | func_to_switch = CURRENT_LIMIT_200; |
| 1521 | |
| 1522 | break; |
| 1523 | |
| 1524 | default: |
| 1525 | continue; |
| 1526 | } |
| 1527 | |
| 1528 | if (func_to_switch != 0xFF) |
| 1529 | break; |
| 1530 | } |
| 1531 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 1532 | dev_dbg(rtsx_dev(chip), "SD_FUNC_GROUP_4: func_to_switch = 0x%02x", |
| 1533 | func_to_switch); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1534 | |
| 1535 | if (func_to_switch <= CURRENT_LIMIT_800) { |
| 1536 | retval = sd_check_switch(chip, SD_FUNC_GROUP_4, func_to_switch, |
| 1537 | bus_width); |
| 1538 | if (retval != STATUS_SUCCESS) { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1539 | if (sd_check_err_code(chip, SD_NO_CARD)) { |
| 1540 | rtsx_trace(chip); |
| 1541 | return STATUS_FAIL; |
| 1542 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1543 | } |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 1544 | dev_dbg(rtsx_dev(chip), "Switch current limit finished! (%d)\n", |
| 1545 | retval); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1546 | } |
| 1547 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1548 | if (CHK_SD_DDR50(sd_card)) { |
| 1549 | retval = rtsx_write_register(chip, SD_PUSH_POINT_CTL, 0x06, 0); |
| 1550 | if (retval) { |
| 1551 | rtsx_trace(chip); |
| 1552 | return retval; |
| 1553 | } |
| 1554 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1555 | |
| 1556 | return STATUS_SUCCESS; |
| 1557 | } |
| 1558 | |
| 1559 | static int sd_wait_data_idle(struct rtsx_chip *chip) |
| 1560 | { |
| 1561 | int retval = STATUS_TIMEDOUT; |
| 1562 | int i; |
| 1563 | u8 val = 0; |
| 1564 | |
| 1565 | for (i = 0; i < 100; i++) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1566 | retval = rtsx_read_register(chip, SD_DATA_STATE, &val); |
| 1567 | if (retval) { |
| 1568 | rtsx_trace(chip); |
| 1569 | return retval; |
| 1570 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1571 | if (val & SD_DATA_IDLE) { |
| 1572 | retval = STATUS_SUCCESS; |
| 1573 | break; |
| 1574 | } |
| 1575 | udelay(100); |
| 1576 | } |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 1577 | dev_dbg(rtsx_dev(chip), "SD_DATA_STATE: 0x%02x\n", val); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1578 | |
| 1579 | return retval; |
| 1580 | } |
| 1581 | |
| 1582 | static int sd_sdr_tuning_rx_cmd(struct rtsx_chip *chip, u8 sample_point) |
| 1583 | { |
| 1584 | int retval; |
| 1585 | u8 cmd[5]; |
| 1586 | |
| 1587 | retval = sd_change_phase(chip, sample_point, TUNE_RX); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1588 | if (retval != STATUS_SUCCESS) { |
| 1589 | rtsx_trace(chip); |
| 1590 | return STATUS_FAIL; |
| 1591 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1592 | |
| 1593 | cmd[0] = 0x40 | SEND_TUNING_PATTERN; |
| 1594 | cmd[1] = 0; |
| 1595 | cmd[2] = 0; |
| 1596 | cmd[3] = 0; |
| 1597 | cmd[4] = 0; |
| 1598 | |
| 1599 | retval = sd_read_data(chip, SD_TM_AUTO_TUNING, |
| 1600 | cmd, 5, 0x40, 1, SD_BUS_WIDTH_4, NULL, 0, 100); |
| 1601 | if (retval != STATUS_SUCCESS) { |
| 1602 | (void)sd_wait_data_idle(chip); |
| 1603 | |
| 1604 | rtsx_clear_sd_error(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1605 | rtsx_trace(chip); |
| 1606 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1607 | } |
| 1608 | |
| 1609 | return STATUS_SUCCESS; |
| 1610 | } |
| 1611 | |
| 1612 | static int sd_ddr_tuning_rx_cmd(struct rtsx_chip *chip, u8 sample_point) |
| 1613 | { |
| 1614 | struct sd_info *sd_card = &(chip->sd_card); |
| 1615 | int retval; |
| 1616 | u8 cmd[5]; |
| 1617 | |
| 1618 | retval = sd_change_phase(chip, sample_point, TUNE_RX); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1619 | if (retval != STATUS_SUCCESS) { |
| 1620 | rtsx_trace(chip); |
| 1621 | return STATUS_FAIL; |
| 1622 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1623 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 1624 | dev_dbg(rtsx_dev(chip), "sd ddr tuning rx\n"); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1625 | |
| 1626 | retval = sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr, |
| 1627 | SD_RSP_TYPE_R1, NULL, 0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1628 | if (retval != STATUS_SUCCESS) { |
| 1629 | rtsx_trace(chip); |
| 1630 | return STATUS_FAIL; |
| 1631 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1632 | |
| 1633 | cmd[0] = 0x40 | SD_STATUS; |
| 1634 | cmd[1] = 0; |
| 1635 | cmd[2] = 0; |
| 1636 | cmd[3] = 0; |
| 1637 | cmd[4] = 0; |
| 1638 | |
| 1639 | retval = sd_read_data(chip, SD_TM_NORMAL_READ, |
| 1640 | cmd, 5, 64, 1, SD_BUS_WIDTH_4, NULL, 0, 100); |
| 1641 | if (retval != STATUS_SUCCESS) { |
| 1642 | (void)sd_wait_data_idle(chip); |
| 1643 | |
| 1644 | rtsx_clear_sd_error(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1645 | rtsx_trace(chip); |
| 1646 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1647 | } |
| 1648 | |
| 1649 | return STATUS_SUCCESS; |
| 1650 | } |
| 1651 | |
| 1652 | static int mmc_ddr_tunning_rx_cmd(struct rtsx_chip *chip, u8 sample_point) |
| 1653 | { |
| 1654 | struct sd_info *sd_card = &(chip->sd_card); |
| 1655 | int retval; |
| 1656 | u8 cmd[5], bus_width; |
| 1657 | |
| 1658 | if (CHK_MMC_8BIT(sd_card)) |
| 1659 | bus_width = SD_BUS_WIDTH_8; |
| 1660 | else if (CHK_MMC_4BIT(sd_card)) |
| 1661 | bus_width = SD_BUS_WIDTH_4; |
| 1662 | else |
| 1663 | bus_width = SD_BUS_WIDTH_1; |
| 1664 | |
| 1665 | retval = sd_change_phase(chip, sample_point, TUNE_RX); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1666 | if (retval != STATUS_SUCCESS) { |
| 1667 | rtsx_trace(chip); |
| 1668 | return STATUS_FAIL; |
| 1669 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1670 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 1671 | dev_dbg(rtsx_dev(chip), "mmc ddr tuning rx\n"); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1672 | |
| 1673 | cmd[0] = 0x40 | SEND_EXT_CSD; |
| 1674 | cmd[1] = 0; |
| 1675 | cmd[2] = 0; |
| 1676 | cmd[3] = 0; |
| 1677 | cmd[4] = 0; |
| 1678 | |
| 1679 | retval = sd_read_data(chip, SD_TM_NORMAL_READ, |
| 1680 | cmd, 5, 0x200, 1, bus_width, NULL, 0, 100); |
| 1681 | if (retval != STATUS_SUCCESS) { |
| 1682 | (void)sd_wait_data_idle(chip); |
| 1683 | |
| 1684 | rtsx_clear_sd_error(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1685 | rtsx_trace(chip); |
| 1686 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1687 | } |
| 1688 | |
| 1689 | return STATUS_SUCCESS; |
| 1690 | } |
| 1691 | |
| 1692 | static int sd_sdr_tuning_tx_cmd(struct rtsx_chip *chip, u8 sample_point) |
| 1693 | { |
| 1694 | struct sd_info *sd_card = &(chip->sd_card); |
| 1695 | int retval; |
| 1696 | |
| 1697 | retval = sd_change_phase(chip, sample_point, TUNE_TX); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1698 | if (retval != STATUS_SUCCESS) { |
| 1699 | rtsx_trace(chip); |
| 1700 | return STATUS_FAIL; |
| 1701 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1702 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1703 | retval = rtsx_write_register(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN, |
| 1704 | SD_RSP_80CLK_TIMEOUT_EN); |
| 1705 | if (retval) { |
| 1706 | rtsx_trace(chip); |
| 1707 | return retval; |
| 1708 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1709 | |
| 1710 | retval = sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, |
| 1711 | SD_RSP_TYPE_R1, NULL, 0); |
| 1712 | if (retval != STATUS_SUCCESS) { |
| 1713 | if (sd_check_err_code(chip, SD_RSP_TIMEOUT)) { |
| 1714 | rtsx_write_register(chip, SD_CFG3, |
| 1715 | SD_RSP_80CLK_TIMEOUT_EN, 0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1716 | rtsx_trace(chip); |
| 1717 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1718 | } |
| 1719 | } |
| 1720 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1721 | retval = rtsx_write_register(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN, |
| 1722 | 0); |
| 1723 | if (retval) { |
| 1724 | rtsx_trace(chip); |
| 1725 | return retval; |
| 1726 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1727 | |
| 1728 | return STATUS_SUCCESS; |
| 1729 | } |
| 1730 | |
| 1731 | static int sd_ddr_tuning_tx_cmd(struct rtsx_chip *chip, u8 sample_point) |
| 1732 | { |
| 1733 | struct sd_info *sd_card = &(chip->sd_card); |
| 1734 | int retval; |
| 1735 | u8 cmd[5], bus_width; |
| 1736 | |
| 1737 | retval = sd_change_phase(chip, sample_point, TUNE_TX); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1738 | if (retval != STATUS_SUCCESS) { |
| 1739 | rtsx_trace(chip); |
| 1740 | return STATUS_FAIL; |
| 1741 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1742 | |
| 1743 | if (CHK_SD(sd_card)) { |
| 1744 | bus_width = SD_BUS_WIDTH_4; |
| 1745 | } else { |
| 1746 | if (CHK_MMC_8BIT(sd_card)) |
| 1747 | bus_width = SD_BUS_WIDTH_8; |
| 1748 | else if (CHK_MMC_4BIT(sd_card)) |
| 1749 | bus_width = SD_BUS_WIDTH_4; |
| 1750 | else |
| 1751 | bus_width = SD_BUS_WIDTH_1; |
| 1752 | } |
| 1753 | |
| 1754 | retval = sd_wait_state_data_ready(chip, 0x08, 1, 1000); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1755 | if (retval != STATUS_SUCCESS) { |
| 1756 | rtsx_trace(chip); |
| 1757 | return STATUS_FAIL; |
| 1758 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1759 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1760 | retval = rtsx_write_register(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN, |
| 1761 | SD_RSP_80CLK_TIMEOUT_EN); |
| 1762 | if (retval) { |
| 1763 | rtsx_trace(chip); |
| 1764 | return retval; |
| 1765 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1766 | |
| 1767 | cmd[0] = 0x40 | PROGRAM_CSD; |
| 1768 | cmd[1] = 0; |
| 1769 | cmd[2] = 0; |
| 1770 | cmd[3] = 0; |
| 1771 | cmd[4] = 0; |
| 1772 | |
| 1773 | retval = sd_write_data(chip, SD_TM_AUTO_WRITE_2, |
| 1774 | cmd, 5, 16, 1, bus_width, sd_card->raw_csd, 16, 100); |
| 1775 | if (retval != STATUS_SUCCESS) { |
| 1776 | rtsx_clear_sd_error(chip); |
| 1777 | rtsx_write_register(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN, 0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1778 | rtsx_trace(chip); |
| 1779 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1780 | } |
| 1781 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1782 | retval = rtsx_write_register(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN, |
| 1783 | 0); |
| 1784 | if (retval) { |
| 1785 | rtsx_trace(chip); |
| 1786 | return retval; |
| 1787 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1788 | |
| 1789 | sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, SD_RSP_TYPE_R1, |
| 1790 | NULL, 0); |
| 1791 | |
| 1792 | return STATUS_SUCCESS; |
| 1793 | } |
| 1794 | |
| 1795 | static u8 sd_search_final_phase(struct rtsx_chip *chip, u32 phase_map, |
| 1796 | u8 tune_dir) |
| 1797 | { |
| 1798 | struct sd_info *sd_card = &(chip->sd_card); |
| 1799 | struct timing_phase_path path[MAX_PHASE + 1]; |
| 1800 | int i, j, cont_path_cnt; |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 1801 | bool new_block; |
| 1802 | int max_len, final_path_idx; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1803 | u8 final_phase = 0xFF; |
| 1804 | |
| 1805 | if (phase_map == 0xFFFFFFFF) { |
| 1806 | if (tune_dir == TUNE_RX) |
| 1807 | final_phase = (u8)chip->sd_default_rx_phase; |
| 1808 | else |
| 1809 | final_phase = (u8)chip->sd_default_tx_phase; |
| 1810 | |
| 1811 | goto Search_Finish; |
| 1812 | } |
| 1813 | |
| 1814 | cont_path_cnt = 0; |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 1815 | new_block = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1816 | j = 0; |
| 1817 | for (i = 0; i < MAX_PHASE + 1; i++) { |
| 1818 | if (phase_map & (1 << i)) { |
| 1819 | if (new_block) { |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 1820 | new_block = false; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1821 | j = cont_path_cnt++; |
| 1822 | path[j].start = i; |
| 1823 | path[j].end = i; |
| 1824 | } else { |
| 1825 | path[j].end = i; |
| 1826 | } |
| 1827 | } else { |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 1828 | new_block = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1829 | if (cont_path_cnt) { |
| 1830 | int idx = cont_path_cnt - 1; |
Tina Johnson | 767c6a5 | 2014-09-21 11:38:11 +0530 | [diff] [blame] | 1831 | |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1832 | path[idx].len = path[idx].end - |
| 1833 | path[idx].start + 1; |
| 1834 | path[idx].mid = path[idx].start + |
| 1835 | path[idx].len / 2; |
| 1836 | } |
| 1837 | } |
| 1838 | } |
| 1839 | |
| 1840 | if (cont_path_cnt == 0) { |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 1841 | dev_dbg(rtsx_dev(chip), "No continuous phase path\n"); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1842 | goto Search_Finish; |
| 1843 | } else { |
| 1844 | int idx = cont_path_cnt - 1; |
Tina Johnson | 767c6a5 | 2014-09-21 11:38:11 +0530 | [diff] [blame] | 1845 | |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1846 | path[idx].len = path[idx].end - path[idx].start + 1; |
| 1847 | path[idx].mid = path[idx].start + path[idx].len / 2; |
| 1848 | } |
| 1849 | |
| 1850 | if ((path[0].start == 0) && |
| 1851 | (path[cont_path_cnt - 1].end == MAX_PHASE)) { |
| 1852 | path[0].start = path[cont_path_cnt - 1].start - MAX_PHASE - 1; |
| 1853 | path[0].len += path[cont_path_cnt - 1].len; |
| 1854 | path[0].mid = path[0].start + path[0].len / 2; |
| 1855 | if (path[0].mid < 0) |
| 1856 | path[0].mid += MAX_PHASE + 1; |
| 1857 | |
| 1858 | cont_path_cnt--; |
| 1859 | } |
| 1860 | |
| 1861 | max_len = 0; |
| 1862 | final_phase = 0; |
| 1863 | final_path_idx = 0; |
| 1864 | for (i = 0; i < cont_path_cnt; i++) { |
| 1865 | if (path[i].len > max_len) { |
| 1866 | max_len = path[i].len; |
| 1867 | final_phase = (u8)path[i].mid; |
| 1868 | final_path_idx = i; |
| 1869 | } |
| 1870 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 1871 | dev_dbg(rtsx_dev(chip), "path[%d].start = %d\n", |
| 1872 | i, path[i].start); |
| 1873 | dev_dbg(rtsx_dev(chip), "path[%d].end = %d\n", i, path[i].end); |
| 1874 | dev_dbg(rtsx_dev(chip), "path[%d].len = %d\n", i, path[i].len); |
| 1875 | dev_dbg(rtsx_dev(chip), "path[%d].mid = %d\n", i, path[i].mid); |
| 1876 | dev_dbg(rtsx_dev(chip), "\n"); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1877 | } |
| 1878 | |
| 1879 | if (tune_dir == TUNE_TX) { |
| 1880 | if (CHK_SD_SDR104(sd_card)) { |
| 1881 | if (max_len > 15) { |
| 1882 | int temp_mid = (max_len - 16) / 2; |
| 1883 | int temp_final_phase = |
| 1884 | path[final_path_idx].end - |
| 1885 | (max_len - (6 + temp_mid)); |
| 1886 | |
| 1887 | if (temp_final_phase < 0) |
| 1888 | final_phase = (u8)(temp_final_phase + |
| 1889 | MAX_PHASE + 1); |
| 1890 | else |
| 1891 | final_phase = (u8)temp_final_phase; |
| 1892 | } |
| 1893 | } else if (CHK_SD_SDR50(sd_card)) { |
| 1894 | if (max_len > 12) { |
| 1895 | int temp_mid = (max_len - 13) / 2; |
| 1896 | int temp_final_phase = |
| 1897 | path[final_path_idx].end - |
| 1898 | (max_len - (3 + temp_mid)); |
| 1899 | |
| 1900 | if (temp_final_phase < 0) |
| 1901 | final_phase = (u8)(temp_final_phase + |
| 1902 | MAX_PHASE + 1); |
| 1903 | else |
| 1904 | final_phase = (u8)temp_final_phase; |
| 1905 | } |
| 1906 | } |
| 1907 | } |
| 1908 | |
| 1909 | Search_Finish: |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 1910 | dev_dbg(rtsx_dev(chip), "Final chosen phase: %d\n", final_phase); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1911 | return final_phase; |
| 1912 | } |
| 1913 | |
| 1914 | static int sd_tuning_rx(struct rtsx_chip *chip) |
| 1915 | { |
| 1916 | struct sd_info *sd_card = &(chip->sd_card); |
| 1917 | int retval; |
| 1918 | int i, j; |
| 1919 | u32 raw_phase_map[3], phase_map; |
| 1920 | u8 final_phase; |
| 1921 | int (*tuning_cmd)(struct rtsx_chip *chip, u8 sample_point); |
| 1922 | |
| 1923 | if (CHK_SD(sd_card)) { |
| 1924 | if (CHK_SD_DDR50(sd_card)) |
| 1925 | tuning_cmd = sd_ddr_tuning_rx_cmd; |
| 1926 | else |
| 1927 | tuning_cmd = sd_sdr_tuning_rx_cmd; |
| 1928 | |
| 1929 | } else { |
Nicholas Sim | 649b55b | 2016-04-05 17:47:35 +0100 | [diff] [blame] | 1930 | if (CHK_MMC_DDR52(sd_card)) { |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1931 | tuning_cmd = mmc_ddr_tunning_rx_cmd; |
Nicholas Sim | 649b55b | 2016-04-05 17:47:35 +0100 | [diff] [blame] | 1932 | } else { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1933 | rtsx_trace(chip); |
| 1934 | return STATUS_FAIL; |
| 1935 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1936 | } |
| 1937 | |
| 1938 | for (i = 0; i < 3; i++) { |
| 1939 | raw_phase_map[i] = 0; |
| 1940 | for (j = MAX_PHASE; j >= 0; j--) { |
| 1941 | if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) { |
| 1942 | sd_set_err_code(chip, SD_NO_CARD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1943 | rtsx_trace(chip); |
| 1944 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1945 | } |
| 1946 | |
| 1947 | retval = tuning_cmd(chip, (u8)j); |
| 1948 | if (retval == STATUS_SUCCESS) |
| 1949 | raw_phase_map[i] |= 1 << j; |
| 1950 | } |
| 1951 | } |
| 1952 | |
| 1953 | phase_map = raw_phase_map[0] & raw_phase_map[1] & raw_phase_map[2]; |
| 1954 | for (i = 0; i < 3; i++) |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 1955 | dev_dbg(rtsx_dev(chip), "RX raw_phase_map[%d] = 0x%08x\n", |
| 1956 | i, raw_phase_map[i]); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1957 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 1958 | dev_dbg(rtsx_dev(chip), "RX phase_map = 0x%08x\n", phase_map); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1959 | |
| 1960 | final_phase = sd_search_final_phase(chip, phase_map, TUNE_RX); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1961 | if (final_phase == 0xFF) { |
| 1962 | rtsx_trace(chip); |
| 1963 | return STATUS_FAIL; |
| 1964 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1965 | |
| 1966 | retval = sd_change_phase(chip, final_phase, TUNE_RX); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1967 | if (retval != STATUS_SUCCESS) { |
| 1968 | rtsx_trace(chip); |
| 1969 | return STATUS_FAIL; |
| 1970 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1971 | |
| 1972 | return STATUS_SUCCESS; |
| 1973 | } |
| 1974 | |
| 1975 | static int sd_ddr_pre_tuning_tx(struct rtsx_chip *chip) |
| 1976 | { |
| 1977 | struct sd_info *sd_card = &(chip->sd_card); |
| 1978 | int retval; |
| 1979 | int i; |
| 1980 | u32 phase_map; |
| 1981 | u8 final_phase; |
| 1982 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1983 | retval = rtsx_write_register(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN, |
| 1984 | SD_RSP_80CLK_TIMEOUT_EN); |
| 1985 | if (retval) { |
| 1986 | rtsx_trace(chip); |
| 1987 | return retval; |
| 1988 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1989 | |
| 1990 | phase_map = 0; |
| 1991 | for (i = MAX_PHASE; i >= 0; i--) { |
| 1992 | if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) { |
| 1993 | sd_set_err_code(chip, SD_NO_CARD); |
| 1994 | rtsx_write_register(chip, SD_CFG3, |
| 1995 | SD_RSP_80CLK_TIMEOUT_EN, 0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1996 | rtsx_trace(chip); |
| 1997 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1998 | } |
| 1999 | |
| 2000 | retval = sd_change_phase(chip, (u8)i, TUNE_TX); |
| 2001 | if (retval != STATUS_SUCCESS) |
| 2002 | continue; |
| 2003 | |
| 2004 | retval = sd_send_cmd_get_rsp(chip, SEND_STATUS, |
| 2005 | sd_card->sd_addr, SD_RSP_TYPE_R1, NULL, |
| 2006 | 0); |
| 2007 | if ((retval == STATUS_SUCCESS) || |
| 2008 | !sd_check_err_code(chip, SD_RSP_TIMEOUT)) |
| 2009 | phase_map |= 1 << i; |
| 2010 | } |
| 2011 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 2012 | retval = rtsx_write_register(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN, |
| 2013 | 0); |
| 2014 | if (retval) { |
| 2015 | rtsx_trace(chip); |
| 2016 | return retval; |
| 2017 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2018 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 2019 | dev_dbg(rtsx_dev(chip), "DDR TX pre tune phase_map = 0x%08x\n", |
| 2020 | phase_map); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2021 | |
| 2022 | final_phase = sd_search_final_phase(chip, phase_map, TUNE_TX); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2023 | if (final_phase == 0xFF) { |
| 2024 | rtsx_trace(chip); |
| 2025 | return STATUS_FAIL; |
| 2026 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2027 | |
| 2028 | retval = sd_change_phase(chip, final_phase, TUNE_TX); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2029 | if (retval != STATUS_SUCCESS) { |
| 2030 | rtsx_trace(chip); |
| 2031 | return STATUS_FAIL; |
| 2032 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2033 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 2034 | dev_dbg(rtsx_dev(chip), "DDR TX pre tune phase: %d\n", |
| 2035 | (int)final_phase); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2036 | |
| 2037 | return STATUS_SUCCESS; |
| 2038 | } |
| 2039 | |
| 2040 | static int sd_tuning_tx(struct rtsx_chip *chip) |
| 2041 | { |
| 2042 | struct sd_info *sd_card = &(chip->sd_card); |
| 2043 | int retval; |
| 2044 | int i, j; |
| 2045 | u32 raw_phase_map[3], phase_map; |
| 2046 | u8 final_phase; |
| 2047 | int (*tuning_cmd)(struct rtsx_chip *chip, u8 sample_point); |
| 2048 | |
| 2049 | if (CHK_SD(sd_card)) { |
| 2050 | if (CHK_SD_DDR50(sd_card)) |
| 2051 | tuning_cmd = sd_ddr_tuning_tx_cmd; |
| 2052 | else |
| 2053 | tuning_cmd = sd_sdr_tuning_tx_cmd; |
| 2054 | |
| 2055 | } else { |
Nicholas Sim | 649b55b | 2016-04-05 17:47:35 +0100 | [diff] [blame] | 2056 | if (CHK_MMC_DDR52(sd_card)) { |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2057 | tuning_cmd = sd_ddr_tuning_tx_cmd; |
Nicholas Sim | 649b55b | 2016-04-05 17:47:35 +0100 | [diff] [blame] | 2058 | } else { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2059 | rtsx_trace(chip); |
| 2060 | return STATUS_FAIL; |
| 2061 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2062 | } |
| 2063 | |
| 2064 | for (i = 0; i < 3; i++) { |
| 2065 | raw_phase_map[i] = 0; |
| 2066 | for (j = MAX_PHASE; j >= 0; j--) { |
| 2067 | if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) { |
| 2068 | sd_set_err_code(chip, SD_NO_CARD); |
| 2069 | rtsx_write_register(chip, SD_CFG3, |
| 2070 | SD_RSP_80CLK_TIMEOUT_EN, 0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2071 | rtsx_trace(chip); |
| 2072 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2073 | } |
| 2074 | |
| 2075 | retval = tuning_cmd(chip, (u8)j); |
| 2076 | if (retval == STATUS_SUCCESS) |
| 2077 | raw_phase_map[i] |= 1 << j; |
| 2078 | } |
| 2079 | } |
| 2080 | |
| 2081 | phase_map = raw_phase_map[0] & raw_phase_map[1] & raw_phase_map[2]; |
| 2082 | for (i = 0; i < 3; i++) |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 2083 | dev_dbg(rtsx_dev(chip), "TX raw_phase_map[%d] = 0x%08x\n", |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2084 | i, raw_phase_map[i]); |
| 2085 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 2086 | dev_dbg(rtsx_dev(chip), "TX phase_map = 0x%08x\n", phase_map); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2087 | |
| 2088 | final_phase = sd_search_final_phase(chip, phase_map, TUNE_TX); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2089 | if (final_phase == 0xFF) { |
| 2090 | rtsx_trace(chip); |
| 2091 | return STATUS_FAIL; |
| 2092 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2093 | |
| 2094 | retval = sd_change_phase(chip, final_phase, TUNE_TX); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2095 | if (retval != STATUS_SUCCESS) { |
| 2096 | rtsx_trace(chip); |
| 2097 | return STATUS_FAIL; |
| 2098 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2099 | |
| 2100 | return STATUS_SUCCESS; |
| 2101 | } |
| 2102 | |
| 2103 | static int sd_sdr_tuning(struct rtsx_chip *chip) |
| 2104 | { |
| 2105 | int retval; |
| 2106 | |
| 2107 | retval = sd_tuning_tx(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2108 | if (retval != STATUS_SUCCESS) { |
| 2109 | rtsx_trace(chip); |
| 2110 | return STATUS_FAIL; |
| 2111 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2112 | |
| 2113 | retval = sd_tuning_rx(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2114 | if (retval != STATUS_SUCCESS) { |
| 2115 | rtsx_trace(chip); |
| 2116 | return STATUS_FAIL; |
| 2117 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2118 | |
| 2119 | return STATUS_SUCCESS; |
| 2120 | } |
| 2121 | |
| 2122 | static int sd_ddr_tuning(struct rtsx_chip *chip) |
| 2123 | { |
| 2124 | int retval; |
| 2125 | |
| 2126 | if (!(chip->sd_ctl & SD_DDR_TX_PHASE_SET_BY_USER)) { |
| 2127 | retval = sd_ddr_pre_tuning_tx(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2128 | if (retval != STATUS_SUCCESS) { |
| 2129 | rtsx_trace(chip); |
| 2130 | return STATUS_FAIL; |
| 2131 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2132 | } else { |
| 2133 | retval = sd_change_phase(chip, (u8)chip->sd_ddr_tx_phase, |
| 2134 | TUNE_TX); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2135 | if (retval != STATUS_SUCCESS) { |
| 2136 | rtsx_trace(chip); |
| 2137 | return STATUS_FAIL; |
| 2138 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2139 | } |
| 2140 | |
| 2141 | retval = sd_tuning_rx(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2142 | if (retval != STATUS_SUCCESS) { |
| 2143 | rtsx_trace(chip); |
| 2144 | return STATUS_FAIL; |
| 2145 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2146 | |
| 2147 | if (!(chip->sd_ctl & SD_DDR_TX_PHASE_SET_BY_USER)) { |
| 2148 | retval = sd_tuning_tx(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2149 | if (retval != STATUS_SUCCESS) { |
| 2150 | rtsx_trace(chip); |
| 2151 | return STATUS_FAIL; |
| 2152 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2153 | } |
| 2154 | |
| 2155 | return STATUS_SUCCESS; |
| 2156 | } |
| 2157 | |
| 2158 | static int mmc_ddr_tuning(struct rtsx_chip *chip) |
| 2159 | { |
| 2160 | int retval; |
| 2161 | |
| 2162 | if (!(chip->sd_ctl & MMC_DDR_TX_PHASE_SET_BY_USER)) { |
| 2163 | retval = sd_ddr_pre_tuning_tx(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2164 | if (retval != STATUS_SUCCESS) { |
| 2165 | rtsx_trace(chip); |
| 2166 | return STATUS_FAIL; |
| 2167 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2168 | } else { |
| 2169 | retval = sd_change_phase(chip, (u8)chip->mmc_ddr_tx_phase, |
| 2170 | TUNE_TX); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2171 | if (retval != STATUS_SUCCESS) { |
| 2172 | rtsx_trace(chip); |
| 2173 | return STATUS_FAIL; |
| 2174 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2175 | } |
| 2176 | |
| 2177 | retval = sd_tuning_rx(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2178 | if (retval != STATUS_SUCCESS) { |
| 2179 | rtsx_trace(chip); |
| 2180 | return STATUS_FAIL; |
| 2181 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2182 | |
| 2183 | if (!(chip->sd_ctl & MMC_DDR_TX_PHASE_SET_BY_USER)) { |
| 2184 | retval = sd_tuning_tx(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2185 | if (retval != STATUS_SUCCESS) { |
| 2186 | rtsx_trace(chip); |
| 2187 | return STATUS_FAIL; |
| 2188 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2189 | } |
| 2190 | |
| 2191 | return STATUS_SUCCESS; |
| 2192 | } |
| 2193 | |
| 2194 | int sd_switch_clock(struct rtsx_chip *chip) |
| 2195 | { |
| 2196 | struct sd_info *sd_card = &(chip->sd_card); |
| 2197 | int retval; |
| 2198 | int re_tuning = 0; |
| 2199 | |
| 2200 | retval = select_card(chip, SD_CARD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2201 | if (retval != STATUS_SUCCESS) { |
| 2202 | rtsx_trace(chip); |
| 2203 | return STATUS_FAIL; |
| 2204 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2205 | |
| 2206 | retval = switch_clock(chip, sd_card->sd_clock); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2207 | if (retval != STATUS_SUCCESS) { |
| 2208 | rtsx_trace(chip); |
| 2209 | return STATUS_FAIL; |
| 2210 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2211 | |
| 2212 | if (re_tuning) { |
| 2213 | if (CHK_SD(sd_card)) { |
| 2214 | if (CHK_SD_DDR50(sd_card)) |
| 2215 | retval = sd_ddr_tuning(chip); |
| 2216 | else |
| 2217 | retval = sd_sdr_tuning(chip); |
| 2218 | } else { |
| 2219 | if (CHK_MMC_DDR52(sd_card)) |
| 2220 | retval = mmc_ddr_tuning(chip); |
| 2221 | } |
| 2222 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2223 | if (retval != STATUS_SUCCESS) { |
| 2224 | rtsx_trace(chip); |
| 2225 | return STATUS_FAIL; |
| 2226 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2227 | } |
| 2228 | |
| 2229 | return STATUS_SUCCESS; |
| 2230 | } |
| 2231 | |
| 2232 | static int sd_prepare_reset(struct rtsx_chip *chip) |
| 2233 | { |
| 2234 | struct sd_info *sd_card = &(chip->sd_card); |
| 2235 | int retval; |
| 2236 | |
| 2237 | if (chip->asic_code) |
| 2238 | sd_card->sd_clock = 29; |
| 2239 | else |
| 2240 | sd_card->sd_clock = CLK_30; |
| 2241 | |
| 2242 | sd_card->sd_type = 0; |
| 2243 | sd_card->seq_mode = 0; |
| 2244 | sd_card->sd_data_buf_ready = 0; |
| 2245 | sd_card->capacity = 0; |
| 2246 | |
| 2247 | #ifdef SUPPORT_SD_LOCK |
| 2248 | sd_card->sd_lock_status = 0; |
| 2249 | sd_card->sd_erase_status = 0; |
| 2250 | #endif |
| 2251 | |
| 2252 | chip->capacity[chip->card2lun[SD_CARD]] = 0; |
| 2253 | chip->sd_io = 0; |
| 2254 | |
| 2255 | retval = sd_set_init_para(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2256 | if (retval != STATUS_SUCCESS) { |
| 2257 | rtsx_trace(chip); |
| 2258 | return retval; |
| 2259 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2260 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 2261 | retval = rtsx_write_register(chip, REG_SD_CFG1, 0xFF, 0x40); |
| 2262 | if (retval) { |
| 2263 | rtsx_trace(chip); |
| 2264 | return retval; |
| 2265 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2266 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 2267 | retval = rtsx_write_register(chip, CARD_STOP, SD_STOP | SD_CLR_ERR, |
| 2268 | SD_STOP | SD_CLR_ERR); |
| 2269 | if (retval) { |
| 2270 | rtsx_trace(chip); |
| 2271 | return retval; |
| 2272 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2273 | |
| 2274 | retval = select_card(chip, SD_CARD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2275 | if (retval != STATUS_SUCCESS) { |
| 2276 | rtsx_trace(chip); |
| 2277 | return STATUS_FAIL; |
| 2278 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2279 | |
| 2280 | return STATUS_SUCCESS; |
| 2281 | } |
| 2282 | |
| 2283 | static int sd_pull_ctl_disable(struct rtsx_chip *chip) |
| 2284 | { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 2285 | int retval; |
| 2286 | |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2287 | if (CHECK_PID(chip, 0x5208)) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 2288 | retval = rtsx_write_register(chip, CARD_PULL_CTL1, 0xFF, |
| 2289 | XD_D3_PD | SD_D7_PD | SD_CLK_PD | SD_D5_PD); |
| 2290 | if (retval) { |
| 2291 | rtsx_trace(chip); |
| 2292 | return retval; |
| 2293 | } |
| 2294 | retval = rtsx_write_register(chip, CARD_PULL_CTL2, 0xFF, |
| 2295 | SD_D6_PD | SD_D0_PD | SD_D1_PD | XD_D5_PD); |
| 2296 | if (retval) { |
| 2297 | rtsx_trace(chip); |
| 2298 | return retval; |
| 2299 | } |
| 2300 | retval = rtsx_write_register(chip, CARD_PULL_CTL3, 0xFF, |
| 2301 | SD_D4_PD | XD_CE_PD | XD_CLE_PD | XD_CD_PU); |
| 2302 | if (retval) { |
| 2303 | rtsx_trace(chip); |
| 2304 | return retval; |
| 2305 | } |
| 2306 | retval = rtsx_write_register(chip, CARD_PULL_CTL4, 0xFF, |
| 2307 | XD_RDY_PD | SD_D3_PD | SD_D2_PD | XD_ALE_PD); |
| 2308 | if (retval) { |
| 2309 | rtsx_trace(chip); |
| 2310 | return retval; |
| 2311 | } |
| 2312 | retval = rtsx_write_register(chip, CARD_PULL_CTL5, 0xFF, |
| 2313 | MS_INS_PU | SD_WP_PD | SD_CD_PU | SD_CMD_PD); |
| 2314 | if (retval) { |
| 2315 | rtsx_trace(chip); |
| 2316 | return retval; |
| 2317 | } |
| 2318 | retval = rtsx_write_register(chip, CARD_PULL_CTL6, 0xFF, |
| 2319 | MS_D5_PD | MS_D4_PD); |
| 2320 | if (retval) { |
| 2321 | rtsx_trace(chip); |
| 2322 | return retval; |
| 2323 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2324 | } else if (CHECK_PID(chip, 0x5288)) { |
| 2325 | if (CHECK_BARO_PKG(chip, QFN)) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 2326 | retval = rtsx_write_register(chip, CARD_PULL_CTL1, |
| 2327 | 0xFF, 0x55); |
| 2328 | if (retval) { |
| 2329 | rtsx_trace(chip); |
| 2330 | return retval; |
| 2331 | } |
| 2332 | retval = rtsx_write_register(chip, CARD_PULL_CTL2, |
| 2333 | 0xFF, 0x55); |
| 2334 | if (retval) { |
| 2335 | rtsx_trace(chip); |
| 2336 | return retval; |
| 2337 | } |
| 2338 | retval = rtsx_write_register(chip, CARD_PULL_CTL3, |
| 2339 | 0xFF, 0x4B); |
| 2340 | if (retval) { |
| 2341 | rtsx_trace(chip); |
| 2342 | return retval; |
| 2343 | } |
| 2344 | retval = rtsx_write_register(chip, CARD_PULL_CTL4, |
| 2345 | 0xFF, 0x69); |
| 2346 | if (retval) { |
| 2347 | rtsx_trace(chip); |
| 2348 | return retval; |
| 2349 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2350 | } |
| 2351 | } |
| 2352 | |
| 2353 | return STATUS_SUCCESS; |
| 2354 | } |
| 2355 | |
| 2356 | int sd_pull_ctl_enable(struct rtsx_chip *chip) |
| 2357 | { |
| 2358 | int retval; |
| 2359 | |
| 2360 | rtsx_init_cmd(chip); |
| 2361 | |
| 2362 | if (CHECK_PID(chip, 0x5208)) { |
| 2363 | rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, |
| 2364 | XD_D3_PD | SD_DAT7_PU | SD_CLK_NP | SD_D5_PU); |
| 2365 | rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, |
| 2366 | SD_D6_PU | SD_D0_PU | SD_D1_PU | XD_D5_PD); |
| 2367 | rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, |
| 2368 | SD_D4_PU | XD_CE_PD | XD_CLE_PD | XD_CD_PU); |
| 2369 | rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, |
| 2370 | XD_RDY_PD | SD_D3_PU | SD_D2_PU | XD_ALE_PD); |
| 2371 | rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF, |
| 2372 | MS_INS_PU | SD_WP_PU | SD_CD_PU | SD_CMD_PU); |
| 2373 | rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF, |
| 2374 | MS_D5_PD | MS_D4_PD); |
| 2375 | } else if (CHECK_PID(chip, 0x5288)) { |
| 2376 | if (CHECK_BARO_PKG(chip, QFN)) { |
| 2377 | rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF, |
| 2378 | 0xA8); |
| 2379 | rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF, |
| 2380 | 0x5A); |
| 2381 | rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF, |
| 2382 | 0x95); |
| 2383 | rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF, |
| 2384 | 0xAA); |
| 2385 | } |
| 2386 | } |
| 2387 | |
| 2388 | retval = rtsx_send_cmd(chip, SD_CARD, 100); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2389 | if (retval < 0) { |
| 2390 | rtsx_trace(chip); |
| 2391 | return STATUS_FAIL; |
| 2392 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2393 | |
| 2394 | return STATUS_SUCCESS; |
| 2395 | } |
| 2396 | |
| 2397 | static int sd_init_power(struct rtsx_chip *chip) |
| 2398 | { |
| 2399 | int retval; |
| 2400 | |
| 2401 | retval = sd_power_off_card3v3(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2402 | if (retval != STATUS_SUCCESS) { |
| 2403 | rtsx_trace(chip); |
| 2404 | return STATUS_FAIL; |
| 2405 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2406 | |
| 2407 | if (!chip->ft2_fast_mode) |
| 2408 | wait_timeout(250); |
| 2409 | |
| 2410 | retval = enable_card_clock(chip, SD_CARD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2411 | if (retval != STATUS_SUCCESS) { |
| 2412 | rtsx_trace(chip); |
| 2413 | return STATUS_FAIL; |
| 2414 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2415 | |
| 2416 | if (chip->asic_code) { |
| 2417 | retval = sd_pull_ctl_enable(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2418 | if (retval != STATUS_SUCCESS) { |
| 2419 | rtsx_trace(chip); |
| 2420 | return STATUS_FAIL; |
| 2421 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2422 | } else { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 2423 | retval = rtsx_write_register(chip, FPGA_PULL_CTL, |
| 2424 | FPGA_SD_PULL_CTL_BIT | 0x20, 0); |
| 2425 | if (retval) { |
| 2426 | rtsx_trace(chip); |
| 2427 | return retval; |
| 2428 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2429 | } |
| 2430 | |
| 2431 | if (!chip->ft2_fast_mode) { |
| 2432 | retval = card_power_on(chip, SD_CARD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2433 | if (retval != STATUS_SUCCESS) { |
| 2434 | rtsx_trace(chip); |
| 2435 | return STATUS_FAIL; |
| 2436 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2437 | |
| 2438 | wait_timeout(260); |
| 2439 | |
| 2440 | #ifdef SUPPORT_OCP |
| 2441 | if (chip->ocp_stat & (SD_OC_NOW | SD_OC_EVER)) { |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 2442 | dev_dbg(rtsx_dev(chip), "Over current, OCPSTAT is 0x%x\n", |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2443 | chip->ocp_stat); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2444 | rtsx_trace(chip); |
| 2445 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2446 | } |
| 2447 | #endif |
| 2448 | } |
| 2449 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 2450 | retval = rtsx_write_register(chip, CARD_OE, SD_OUTPUT_EN, |
| 2451 | SD_OUTPUT_EN); |
| 2452 | if (retval) { |
| 2453 | rtsx_trace(chip); |
| 2454 | return retval; |
| 2455 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2456 | |
| 2457 | return STATUS_SUCCESS; |
| 2458 | } |
| 2459 | |
| 2460 | static int sd_dummy_clock(struct rtsx_chip *chip) |
| 2461 | { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 2462 | int retval; |
| 2463 | |
| 2464 | retval = rtsx_write_register(chip, REG_SD_CFG3, 0x01, 0x01); |
| 2465 | if (retval) { |
| 2466 | rtsx_trace(chip); |
| 2467 | return retval; |
| 2468 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2469 | wait_timeout(5); |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 2470 | retval = rtsx_write_register(chip, REG_SD_CFG3, 0x01, 0); |
| 2471 | if (retval) { |
| 2472 | rtsx_trace(chip); |
| 2473 | return retval; |
| 2474 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2475 | |
| 2476 | return STATUS_SUCCESS; |
| 2477 | } |
| 2478 | |
| 2479 | static int sd_read_lba0(struct rtsx_chip *chip) |
| 2480 | { |
| 2481 | struct sd_info *sd_card = &(chip->sd_card); |
| 2482 | int retval; |
| 2483 | u8 cmd[5], bus_width; |
| 2484 | |
| 2485 | cmd[0] = 0x40 | READ_SINGLE_BLOCK; |
| 2486 | cmd[1] = 0; |
| 2487 | cmd[2] = 0; |
| 2488 | cmd[3] = 0; |
| 2489 | cmd[4] = 0; |
| 2490 | |
| 2491 | if (CHK_SD(sd_card)) { |
| 2492 | bus_width = SD_BUS_WIDTH_4; |
| 2493 | } else { |
| 2494 | if (CHK_MMC_8BIT(sd_card)) |
| 2495 | bus_width = SD_BUS_WIDTH_8; |
| 2496 | else if (CHK_MMC_4BIT(sd_card)) |
| 2497 | bus_width = SD_BUS_WIDTH_4; |
| 2498 | else |
| 2499 | bus_width = SD_BUS_WIDTH_1; |
| 2500 | } |
| 2501 | |
| 2502 | retval = sd_read_data(chip, SD_TM_NORMAL_READ, cmd, |
| 2503 | 5, 512, 1, bus_width, NULL, 0, 100); |
| 2504 | if (retval != STATUS_SUCCESS) { |
| 2505 | rtsx_clear_sd_error(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2506 | rtsx_trace(chip); |
| 2507 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2508 | } |
| 2509 | |
| 2510 | return STATUS_SUCCESS; |
| 2511 | } |
| 2512 | |
| 2513 | static int sd_check_wp_state(struct rtsx_chip *chip) |
| 2514 | { |
| 2515 | struct sd_info *sd_card = &(chip->sd_card); |
| 2516 | int retval; |
| 2517 | u32 val; |
| 2518 | u16 sd_card_type; |
| 2519 | u8 cmd[5], buf[64]; |
| 2520 | |
| 2521 | retval = sd_send_cmd_get_rsp(chip, APP_CMD, |
| 2522 | sd_card->sd_addr, SD_RSP_TYPE_R1, NULL, 0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2523 | if (retval != STATUS_SUCCESS) { |
| 2524 | rtsx_trace(chip); |
| 2525 | return STATUS_FAIL; |
| 2526 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2527 | |
| 2528 | cmd[0] = 0x40 | SD_STATUS; |
| 2529 | cmd[1] = 0; |
| 2530 | cmd[2] = 0; |
| 2531 | cmd[3] = 0; |
| 2532 | cmd[4] = 0; |
| 2533 | |
| 2534 | retval = sd_read_data(chip, SD_TM_NORMAL_READ, cmd, 5, 64, 1, |
| 2535 | SD_BUS_WIDTH_4, buf, 64, 250); |
| 2536 | if (retval != STATUS_SUCCESS) { |
| 2537 | rtsx_clear_sd_error(chip); |
| 2538 | |
| 2539 | sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, |
| 2540 | SD_RSP_TYPE_R1, NULL, 0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2541 | rtsx_trace(chip); |
| 2542 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2543 | } |
| 2544 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 2545 | dev_dbg(rtsx_dev(chip), "ACMD13:\n"); |
Fabio Falzoi | 69b8b22 | 2014-08-05 23:24:17 +0200 | [diff] [blame] | 2546 | dev_dbg(rtsx_dev(chip), "%*ph\n", 64, buf); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2547 | |
| 2548 | sd_card_type = ((u16)buf[2] << 8) | buf[3]; |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 2549 | dev_dbg(rtsx_dev(chip), "sd_card_type = 0x%04x\n", sd_card_type); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2550 | if ((sd_card_type == 0x0001) || (sd_card_type == 0x0002)) { |
| 2551 | /* ROM card or OTP */ |
| 2552 | chip->card_wp |= SD_CARD; |
| 2553 | } |
| 2554 | |
| 2555 | /* Check SD Machanical Write-Protect Switch */ |
| 2556 | val = rtsx_readl(chip, RTSX_BIPR); |
| 2557 | if (val & SD_WRITE_PROTECT) |
| 2558 | chip->card_wp |= SD_CARD; |
| 2559 | |
| 2560 | return STATUS_SUCCESS; |
| 2561 | } |
| 2562 | |
| 2563 | static int reset_sd(struct rtsx_chip *chip) |
| 2564 | { |
| 2565 | struct sd_info *sd_card = &(chip->sd_card); |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 2566 | bool hi_cap_flow = false; |
| 2567 | int retval, i = 0, j = 0, k = 0; |
| 2568 | bool sd_dont_switch = false; |
| 2569 | bool support_1v8 = false; |
| 2570 | bool try_sdio = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2571 | u8 rsp[16]; |
| 2572 | u8 switch_bus_width; |
| 2573 | u32 voltage = 0; |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 2574 | bool sd20_mode = false; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2575 | |
| 2576 | SET_SD(sd_card); |
| 2577 | |
| 2578 | Switch_Fail: |
| 2579 | |
| 2580 | i = 0; |
| 2581 | j = 0; |
| 2582 | k = 0; |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 2583 | hi_cap_flow = false; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2584 | |
| 2585 | #ifdef SUPPORT_SD_LOCK |
| 2586 | if (sd_card->sd_lock_status & SD_UNLOCK_POW_ON) |
| 2587 | goto SD_UNLOCK_ENTRY; |
| 2588 | #endif |
| 2589 | |
| 2590 | retval = sd_prepare_reset(chip); |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2591 | if (retval != STATUS_SUCCESS) |
| 2592 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2593 | |
| 2594 | retval = sd_dummy_clock(chip); |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2595 | if (retval != STATUS_SUCCESS) |
| 2596 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2597 | |
| 2598 | if (CHK_SDIO_EXIST(chip) && !CHK_SDIO_IGNORED(chip) && try_sdio) { |
| 2599 | int rty_cnt = 0; |
| 2600 | |
| 2601 | for (; rty_cnt < chip->sdio_retry_cnt; rty_cnt++) { |
| 2602 | if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) { |
| 2603 | sd_set_err_code(chip, SD_NO_CARD); |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2604 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2605 | } |
| 2606 | |
| 2607 | retval = sd_send_cmd_get_rsp(chip, IO_SEND_OP_COND, 0, |
| 2608 | SD_RSP_TYPE_R4, rsp, 5); |
| 2609 | if (retval == STATUS_SUCCESS) { |
| 2610 | int func_num = (rsp[1] >> 4) & 0x07; |
Tina Johnson | 767c6a5 | 2014-09-21 11:38:11 +0530 | [diff] [blame] | 2611 | |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2612 | if (func_num) { |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 2613 | dev_dbg(rtsx_dev(chip), "SD_IO card (Function number: %d)!\n", |
| 2614 | func_num); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2615 | chip->sd_io = 1; |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2616 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2617 | } |
| 2618 | |
| 2619 | break; |
| 2620 | } |
| 2621 | |
| 2622 | sd_init_power(chip); |
| 2623 | |
| 2624 | sd_dummy_clock(chip); |
| 2625 | } |
| 2626 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 2627 | dev_dbg(rtsx_dev(chip), "Normal card!\n"); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2628 | } |
| 2629 | |
| 2630 | /* Start Initialization Process of SD Card */ |
| 2631 | RTY_SD_RST: |
| 2632 | retval = sd_send_cmd_get_rsp(chip, GO_IDLE_STATE, 0, SD_RSP_TYPE_R0, |
| 2633 | NULL, 0); |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2634 | if (retval != STATUS_SUCCESS) |
| 2635 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2636 | |
| 2637 | wait_timeout(20); |
| 2638 | |
| 2639 | retval = sd_send_cmd_get_rsp(chip, SEND_IF_COND, 0x000001AA, |
| 2640 | SD_RSP_TYPE_R7, rsp, 5); |
| 2641 | if (retval == STATUS_SUCCESS) { |
| 2642 | if ((rsp[4] == 0xAA) && ((rsp[3] & 0x0f) == 0x01)) { |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 2643 | hi_cap_flow = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2644 | voltage = SUPPORT_VOLTAGE | 0x40000000; |
| 2645 | } |
| 2646 | } |
| 2647 | |
| 2648 | if (!hi_cap_flow) { |
| 2649 | voltage = SUPPORT_VOLTAGE; |
| 2650 | |
| 2651 | retval = sd_send_cmd_get_rsp(chip, GO_IDLE_STATE, 0, |
| 2652 | SD_RSP_TYPE_R0, NULL, 0); |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2653 | if (retval != STATUS_SUCCESS) |
| 2654 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2655 | |
| 2656 | wait_timeout(20); |
| 2657 | } |
| 2658 | |
| 2659 | do { |
| 2660 | retval = sd_send_cmd_get_rsp(chip, APP_CMD, 0, SD_RSP_TYPE_R1, |
| 2661 | NULL, 0); |
| 2662 | if (retval != STATUS_SUCCESS) { |
| 2663 | if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) { |
| 2664 | sd_set_err_code(chip, SD_NO_CARD); |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2665 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2666 | } |
| 2667 | |
| 2668 | j++; |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2669 | if (j < 3) |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2670 | goto RTY_SD_RST; |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2671 | else |
| 2672 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2673 | } |
| 2674 | |
| 2675 | retval = sd_send_cmd_get_rsp(chip, SD_APP_OP_COND, voltage, |
| 2676 | SD_RSP_TYPE_R3, rsp, 5); |
| 2677 | if (retval != STATUS_SUCCESS) { |
| 2678 | k++; |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2679 | if (k < 3) |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2680 | goto RTY_SD_RST; |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2681 | else |
| 2682 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2683 | } |
| 2684 | |
| 2685 | i++; |
| 2686 | wait_timeout(20); |
| 2687 | } while (!(rsp[1] & 0x80) && (i < 255)); |
| 2688 | |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2689 | if (i == 255) |
| 2690 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2691 | |
| 2692 | if (hi_cap_flow) { |
| 2693 | if (rsp[1] & 0x40) |
| 2694 | SET_SD_HCXC(sd_card); |
| 2695 | else |
| 2696 | CLR_SD_HCXC(sd_card); |
| 2697 | |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 2698 | support_1v8 = false; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2699 | } else { |
| 2700 | CLR_SD_HCXC(sd_card); |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 2701 | support_1v8 = false; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2702 | } |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 2703 | dev_dbg(rtsx_dev(chip), "support_1v8 = %d\n", support_1v8); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2704 | |
| 2705 | if (support_1v8) { |
| 2706 | retval = sd_voltage_switch(chip); |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2707 | if (retval != STATUS_SUCCESS) |
| 2708 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2709 | } |
| 2710 | |
| 2711 | retval = sd_send_cmd_get_rsp(chip, ALL_SEND_CID, 0, SD_RSP_TYPE_R2, |
| 2712 | NULL, 0); |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2713 | if (retval != STATUS_SUCCESS) |
| 2714 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2715 | |
| 2716 | for (i = 0; i < 3; i++) { |
| 2717 | retval = sd_send_cmd_get_rsp(chip, SEND_RELATIVE_ADDR, 0, |
| 2718 | SD_RSP_TYPE_R6, rsp, 5); |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2719 | if (retval != STATUS_SUCCESS) |
| 2720 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2721 | |
| 2722 | sd_card->sd_addr = (u32)rsp[1] << 24; |
| 2723 | sd_card->sd_addr += (u32)rsp[2] << 16; |
| 2724 | |
| 2725 | if (sd_card->sd_addr) |
| 2726 | break; |
| 2727 | } |
| 2728 | |
| 2729 | retval = sd_check_csd(chip, 1); |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2730 | if (retval != STATUS_SUCCESS) |
| 2731 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2732 | |
| 2733 | retval = sd_select_card(chip, 1); |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2734 | if (retval != STATUS_SUCCESS) |
| 2735 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2736 | |
| 2737 | #ifdef SUPPORT_SD_LOCK |
| 2738 | SD_UNLOCK_ENTRY: |
| 2739 | retval = sd_update_lock_status(chip); |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2740 | if (retval != STATUS_SUCCESS) |
| 2741 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2742 | |
| 2743 | if (sd_card->sd_lock_status & SD_LOCKED) { |
| 2744 | sd_card->sd_lock_status |= (SD_LOCK_1BIT_MODE | SD_PWD_EXIST); |
| 2745 | return STATUS_SUCCESS; |
| 2746 | } else if (!(sd_card->sd_lock_status & SD_UNLOCK_POW_ON)) { |
| 2747 | sd_card->sd_lock_status &= ~SD_PWD_EXIST; |
| 2748 | } |
| 2749 | #endif |
| 2750 | |
| 2751 | retval = sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr, |
| 2752 | SD_RSP_TYPE_R1, NULL, 0); |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2753 | if (retval != STATUS_SUCCESS) |
| 2754 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2755 | |
| 2756 | retval = sd_send_cmd_get_rsp(chip, SET_CLR_CARD_DETECT, 0, |
| 2757 | SD_RSP_TYPE_R1, NULL, 0); |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2758 | if (retval != STATUS_SUCCESS) |
| 2759 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2760 | |
| 2761 | if (support_1v8) { |
| 2762 | retval = sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr, |
| 2763 | SD_RSP_TYPE_R1, NULL, 0); |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2764 | if (retval != STATUS_SUCCESS) |
| 2765 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2766 | |
| 2767 | retval = sd_send_cmd_get_rsp(chip, SET_BUS_WIDTH, 2, |
| 2768 | SD_RSP_TYPE_R1, NULL, 0); |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2769 | if (retval != STATUS_SUCCESS) |
| 2770 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2771 | |
| 2772 | switch_bus_width = SD_BUS_WIDTH_4; |
| 2773 | } else { |
| 2774 | switch_bus_width = SD_BUS_WIDTH_1; |
| 2775 | } |
| 2776 | |
| 2777 | retval = sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, 0x200, SD_RSP_TYPE_R1, |
| 2778 | NULL, 0); |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2779 | if (retval != STATUS_SUCCESS) |
| 2780 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2781 | |
| 2782 | retval = sd_set_clock_divider(chip, SD_CLK_DIVIDE_0); |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2783 | if (retval != STATUS_SUCCESS) |
| 2784 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2785 | |
| 2786 | if (!(sd_card->raw_csd[4] & 0x40)) |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 2787 | sd_dont_switch = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2788 | |
| 2789 | if (!sd_dont_switch) { |
| 2790 | if (sd20_mode) { |
| 2791 | /* Set sd_switch_fail here, because we needn't |
| 2792 | * switch to UHS mode |
| 2793 | */ |
| 2794 | sd_card->sd_switch_fail = SDR104_SUPPORT_MASK | |
| 2795 | DDR50_SUPPORT_MASK | SDR50_SUPPORT_MASK; |
| 2796 | } |
| 2797 | |
| 2798 | /* Check the card whether follow SD1.1 spec or higher */ |
| 2799 | retval = sd_check_spec(chip, switch_bus_width); |
| 2800 | if (retval == STATUS_SUCCESS) { |
| 2801 | retval = sd_switch_function(chip, switch_bus_width); |
| 2802 | if (retval != STATUS_SUCCESS) { |
| 2803 | sd_init_power(chip); |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 2804 | sd_dont_switch = true; |
| 2805 | try_sdio = false; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2806 | |
| 2807 | goto Switch_Fail; |
| 2808 | } |
| 2809 | } else { |
| 2810 | if (support_1v8) { |
| 2811 | sd_init_power(chip); |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 2812 | sd_dont_switch = true; |
| 2813 | try_sdio = false; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2814 | |
| 2815 | goto Switch_Fail; |
| 2816 | } |
| 2817 | } |
| 2818 | } |
| 2819 | |
| 2820 | if (!support_1v8) { |
| 2821 | retval = sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr, |
| 2822 | SD_RSP_TYPE_R1, NULL, 0); |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2823 | if (retval != STATUS_SUCCESS) |
| 2824 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2825 | |
| 2826 | retval = sd_send_cmd_get_rsp(chip, SET_BUS_WIDTH, 2, |
| 2827 | SD_RSP_TYPE_R1, NULL, 0); |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2828 | if (retval != STATUS_SUCCESS) |
| 2829 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2830 | } |
| 2831 | |
| 2832 | #ifdef SUPPORT_SD_LOCK |
| 2833 | sd_card->sd_lock_status &= ~SD_LOCK_1BIT_MODE; |
| 2834 | #endif |
| 2835 | |
| 2836 | if (!sd20_mode && CHK_SD30_SPEED(sd_card)) { |
| 2837 | int read_lba0 = 1; |
| 2838 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 2839 | retval = rtsx_write_register(chip, SD30_DRIVE_SEL, 0x07, |
| 2840 | chip->sd30_drive_sel_1v8); |
| 2841 | if (retval) { |
| 2842 | rtsx_trace(chip); |
| 2843 | return retval; |
| 2844 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2845 | |
| 2846 | retval = sd_set_init_para(chip); |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2847 | if (retval != STATUS_SUCCESS) |
| 2848 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2849 | |
| 2850 | if (CHK_SD_DDR50(sd_card)) |
| 2851 | retval = sd_ddr_tuning(chip); |
| 2852 | else |
| 2853 | retval = sd_sdr_tuning(chip); |
| 2854 | |
| 2855 | if (retval != STATUS_SUCCESS) { |
| 2856 | if (sd20_mode) { |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2857 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2858 | } else { |
| 2859 | retval = sd_init_power(chip); |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2860 | if (retval != STATUS_SUCCESS) |
| 2861 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2862 | |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 2863 | try_sdio = false; |
| 2864 | sd20_mode = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2865 | goto Switch_Fail; |
| 2866 | } |
| 2867 | } |
| 2868 | |
| 2869 | sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, |
| 2870 | SD_RSP_TYPE_R1, NULL, 0); |
| 2871 | |
| 2872 | if (CHK_SD_DDR50(sd_card)) { |
| 2873 | retval = sd_wait_state_data_ready(chip, 0x08, 1, 1000); |
| 2874 | if (retval != STATUS_SUCCESS) |
| 2875 | read_lba0 = 0; |
| 2876 | } |
| 2877 | |
| 2878 | if (read_lba0) { |
| 2879 | retval = sd_read_lba0(chip); |
| 2880 | if (retval != STATUS_SUCCESS) { |
| 2881 | if (sd20_mode) { |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2882 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2883 | } else { |
| 2884 | retval = sd_init_power(chip); |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2885 | if (retval != STATUS_SUCCESS) |
| 2886 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2887 | |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 2888 | try_sdio = false; |
| 2889 | sd20_mode = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2890 | goto Switch_Fail; |
| 2891 | } |
| 2892 | } |
| 2893 | } |
| 2894 | } |
| 2895 | |
| 2896 | retval = sd_check_wp_state(chip); |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2897 | if (retval != STATUS_SUCCESS) |
| 2898 | goto Status_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2899 | |
| 2900 | chip->card_bus_width[chip->card2lun[SD_CARD]] = 4; |
| 2901 | |
| 2902 | #ifdef SUPPORT_SD_LOCK |
| 2903 | if (sd_card->sd_lock_status & SD_UNLOCK_POW_ON) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 2904 | retval = rtsx_write_register(chip, REG_SD_BLOCK_CNT_H, 0xFF, |
| 2905 | 0x02); |
| 2906 | if (retval) { |
| 2907 | rtsx_trace(chip); |
| 2908 | return retval; |
| 2909 | } |
| 2910 | retval = rtsx_write_register(chip, REG_SD_BLOCK_CNT_L, 0xFF, |
| 2911 | 0x00); |
| 2912 | if (retval) { |
| 2913 | rtsx_trace(chip); |
| 2914 | return retval; |
| 2915 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2916 | } |
| 2917 | #endif |
| 2918 | |
| 2919 | return STATUS_SUCCESS; |
Sergio Paracuellos | e040b62 | 2016-09-23 16:12:13 +0200 | [diff] [blame] | 2920 | |
| 2921 | Status_Fail: |
| 2922 | rtsx_trace(chip); |
| 2923 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2924 | } |
| 2925 | |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2926 | static int mmc_test_switch_bus(struct rtsx_chip *chip, u8 width) |
| 2927 | { |
| 2928 | struct sd_info *sd_card = &(chip->sd_card); |
| 2929 | int retval; |
| 2930 | u8 buf[8] = {0}, bus_width, *ptr; |
| 2931 | u16 byte_cnt; |
| 2932 | int len; |
| 2933 | |
| 2934 | retval = sd_send_cmd_get_rsp(chip, BUSTEST_W, 0, SD_RSP_TYPE_R1, NULL, |
| 2935 | 0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2936 | if (retval != STATUS_SUCCESS) { |
| 2937 | rtsx_trace(chip); |
| 2938 | return SWITCH_FAIL; |
| 2939 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2940 | |
| 2941 | if (width == MMC_8BIT_BUS) { |
| 2942 | buf[0] = 0x55; |
| 2943 | buf[1] = 0xAA; |
| 2944 | len = 8; |
| 2945 | byte_cnt = 8; |
| 2946 | bus_width = SD_BUS_WIDTH_8; |
| 2947 | } else { |
| 2948 | buf[0] = 0x5A; |
| 2949 | len = 4; |
| 2950 | byte_cnt = 4; |
| 2951 | bus_width = SD_BUS_WIDTH_4; |
| 2952 | } |
| 2953 | |
| 2954 | retval = rtsx_write_register(chip, REG_SD_CFG3, 0x02, 0x02); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2955 | if (retval != STATUS_SUCCESS) { |
| 2956 | rtsx_trace(chip); |
| 2957 | return SWITCH_ERR; |
| 2958 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2959 | |
| 2960 | retval = sd_write_data(chip, SD_TM_AUTO_WRITE_3, |
| 2961 | NULL, 0, byte_cnt, 1, bus_width, buf, len, 100); |
| 2962 | if (retval != STATUS_SUCCESS) { |
| 2963 | rtsx_clear_sd_error(chip); |
| 2964 | rtsx_write_register(chip, REG_SD_CFG3, 0x02, 0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2965 | rtsx_trace(chip); |
| 2966 | return SWITCH_ERR; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2967 | } |
| 2968 | |
| 2969 | retval = rtsx_write_register(chip, REG_SD_CFG3, 0x02, 0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2970 | if (retval != STATUS_SUCCESS) { |
| 2971 | rtsx_trace(chip); |
| 2972 | return SWITCH_ERR; |
| 2973 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2974 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 2975 | dev_dbg(rtsx_dev(chip), "SD/MMC CMD %d\n", BUSTEST_R); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2976 | |
| 2977 | rtsx_init_cmd(chip); |
| 2978 | |
| 2979 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD0, 0xFF, 0x40 | BUSTEST_R); |
| 2980 | |
| 2981 | if (width == MMC_8BIT_BUS) |
| 2982 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L, |
| 2983 | 0xFF, 0x08); |
| 2984 | else |
| 2985 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L, |
| 2986 | 0xFF, 0x04); |
| 2987 | |
| 2988 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_L, 0xFF, 1); |
| 2989 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_H, 0xFF, 0); |
| 2990 | |
| 2991 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF, |
| 2992 | SD_CALCULATE_CRC7 | SD_NO_CHECK_CRC16 | SD_NO_WAIT_BUSY_END| |
| 2993 | SD_CHECK_CRC7 | SD_RSP_LEN_6); |
| 2994 | rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, |
| 2995 | PINGPONG_BUFFER); |
| 2996 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF, |
| 2997 | SD_TM_NORMAL_READ | SD_TRANSFER_START); |
| 2998 | rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER, SD_TRANSFER_END, |
| 2999 | SD_TRANSFER_END); |
| 3000 | |
| 3001 | rtsx_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2, 0, 0); |
| 3002 | if (width == MMC_8BIT_BUS) |
| 3003 | rtsx_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 1, 0, 0); |
| 3004 | |
| 3005 | retval = rtsx_send_cmd(chip, SD_CARD, 100); |
| 3006 | if (retval < 0) { |
| 3007 | rtsx_clear_sd_error(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3008 | rtsx_trace(chip); |
| 3009 | return SWITCH_ERR; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3010 | } |
| 3011 | |
| 3012 | ptr = rtsx_get_cmd_data(chip) + 1; |
| 3013 | |
| 3014 | if (width == MMC_8BIT_BUS) { |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 3015 | dev_dbg(rtsx_dev(chip), "BUSTEST_R [8bits]: 0x%02x 0x%02x\n", |
| 3016 | ptr[0], ptr[1]); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3017 | if ((ptr[0] == 0xAA) && (ptr[1] == 0x55)) { |
| 3018 | u8 rsp[5]; |
| 3019 | u32 arg; |
| 3020 | |
| 3021 | if (CHK_MMC_DDR52(sd_card)) |
| 3022 | arg = 0x03B70600; |
| 3023 | else |
| 3024 | arg = 0x03B70200; |
| 3025 | |
| 3026 | retval = sd_send_cmd_get_rsp(chip, SWITCH, arg, |
| 3027 | SD_RSP_TYPE_R1b, rsp, 5); |
| 3028 | if ((retval == STATUS_SUCCESS) && |
| 3029 | !(rsp[4] & MMC_SWITCH_ERR)) |
| 3030 | return SWITCH_SUCCESS; |
| 3031 | } |
| 3032 | } else { |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 3033 | dev_dbg(rtsx_dev(chip), "BUSTEST_R [4bits]: 0x%02x\n", ptr[0]); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3034 | if (ptr[0] == 0xA5) { |
| 3035 | u8 rsp[5]; |
| 3036 | u32 arg; |
| 3037 | |
| 3038 | if (CHK_MMC_DDR52(sd_card)) |
| 3039 | arg = 0x03B70500; |
| 3040 | else |
| 3041 | arg = 0x03B70100; |
| 3042 | |
| 3043 | retval = sd_send_cmd_get_rsp(chip, SWITCH, arg, |
| 3044 | SD_RSP_TYPE_R1b, rsp, 5); |
| 3045 | if ((retval == STATUS_SUCCESS) && |
| 3046 | !(rsp[4] & MMC_SWITCH_ERR)) |
| 3047 | return SWITCH_SUCCESS; |
| 3048 | } |
| 3049 | } |
| 3050 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3051 | rtsx_trace(chip); |
| 3052 | return SWITCH_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3053 | } |
| 3054 | |
Quentin Lambert | 1120176 | 2015-03-04 11:31:53 +0100 | [diff] [blame] | 3055 | static int mmc_switch_timing_bus(struct rtsx_chip *chip, bool switch_ddr) |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3056 | { |
| 3057 | struct sd_info *sd_card = &(chip->sd_card); |
| 3058 | int retval; |
| 3059 | u8 *ptr, card_type, card_type_mask = 0; |
| 3060 | |
| 3061 | CLR_MMC_HS(sd_card); |
| 3062 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 3063 | dev_dbg(rtsx_dev(chip), "SD/MMC CMD %d\n", SEND_EXT_CSD); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3064 | |
| 3065 | rtsx_init_cmd(chip); |
| 3066 | |
| 3067 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD0, 0xFF, |
| 3068 | 0x40 | SEND_EXT_CSD); |
| 3069 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD1, 0xFF, 0); |
| 3070 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD2, 0xFF, 0); |
| 3071 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD3, 0xFF, 0); |
| 3072 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD4, 0xFF, 0); |
| 3073 | |
| 3074 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L, 0xFF, 0); |
| 3075 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_H, 0xFF, 2); |
| 3076 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_L, 0xFF, 1); |
| 3077 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_H, 0xFF, 0); |
| 3078 | |
| 3079 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF, |
| 3080 | SD_CALCULATE_CRC7 | SD_CHECK_CRC16 | SD_NO_WAIT_BUSY_END| |
| 3081 | SD_CHECK_CRC7 | SD_RSP_LEN_6); |
| 3082 | rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, |
| 3083 | PINGPONG_BUFFER); |
| 3084 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF, |
| 3085 | SD_TM_NORMAL_READ | SD_TRANSFER_START); |
| 3086 | rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER, SD_TRANSFER_END, |
| 3087 | SD_TRANSFER_END); |
| 3088 | |
| 3089 | rtsx_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 196, 0xFF, 0); |
| 3090 | rtsx_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 212, 0xFF, 0); |
| 3091 | rtsx_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 213, 0xFF, 0); |
| 3092 | rtsx_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 214, 0xFF, 0); |
| 3093 | rtsx_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 215, 0xFF, 0); |
| 3094 | |
| 3095 | retval = rtsx_send_cmd(chip, SD_CARD, 1000); |
| 3096 | if (retval < 0) { |
| 3097 | if (retval == -ETIMEDOUT) { |
| 3098 | rtsx_clear_sd_error(chip); |
| 3099 | sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, |
| 3100 | SD_RSP_TYPE_R1, NULL, 0); |
| 3101 | } |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3102 | rtsx_trace(chip); |
| 3103 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3104 | } |
| 3105 | |
| 3106 | ptr = rtsx_get_cmd_data(chip); |
| 3107 | if (ptr[0] & SD_TRANSFER_ERR) { |
| 3108 | sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, |
| 3109 | SD_RSP_TYPE_R1, NULL, 0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3110 | rtsx_trace(chip); |
| 3111 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3112 | } |
| 3113 | |
| 3114 | if (CHK_MMC_SECTOR_MODE(sd_card)) { |
| 3115 | sd_card->capacity = ((u32)ptr[5] << 24) | ((u32)ptr[4] << 16) | |
| 3116 | ((u32)ptr[3] << 8) | ((u32)ptr[2]); |
| 3117 | } |
| 3118 | |
| 3119 | card_type_mask = 0x03; |
| 3120 | card_type = ptr[1] & card_type_mask; |
| 3121 | if (card_type) { |
| 3122 | u8 rsp[5]; |
| 3123 | |
| 3124 | if (card_type & 0x04) { |
| 3125 | if (switch_ddr) |
| 3126 | SET_MMC_DDR52(sd_card); |
| 3127 | else |
| 3128 | SET_MMC_52M(sd_card); |
| 3129 | } else if (card_type & 0x02) { |
| 3130 | SET_MMC_52M(sd_card); |
| 3131 | } else { |
| 3132 | SET_MMC_26M(sd_card); |
| 3133 | } |
| 3134 | |
| 3135 | retval = sd_send_cmd_get_rsp(chip, SWITCH, |
| 3136 | 0x03B90100, SD_RSP_TYPE_R1b, rsp, 5); |
| 3137 | if ((retval != STATUS_SUCCESS) || (rsp[4] & MMC_SWITCH_ERR)) |
| 3138 | CLR_MMC_HS(sd_card); |
| 3139 | } |
| 3140 | |
| 3141 | sd_choose_proper_clock(chip); |
| 3142 | retval = switch_clock(chip, sd_card->sd_clock); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3143 | if (retval != STATUS_SUCCESS) { |
| 3144 | rtsx_trace(chip); |
| 3145 | return STATUS_FAIL; |
| 3146 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3147 | |
| 3148 | /* Test Bus Procedure */ |
| 3149 | retval = mmc_test_switch_bus(chip, MMC_8BIT_BUS); |
| 3150 | if (retval == SWITCH_SUCCESS) { |
| 3151 | SET_MMC_8BIT(sd_card); |
| 3152 | chip->card_bus_width[chip->card2lun[SD_CARD]] = 8; |
| 3153 | #ifdef SUPPORT_SD_LOCK |
| 3154 | sd_card->sd_lock_status &= ~SD_LOCK_1BIT_MODE; |
| 3155 | #endif |
| 3156 | } else if (retval == SWITCH_FAIL) { |
| 3157 | retval = mmc_test_switch_bus(chip, MMC_4BIT_BUS); |
| 3158 | if (retval == SWITCH_SUCCESS) { |
| 3159 | SET_MMC_4BIT(sd_card); |
| 3160 | chip->card_bus_width[chip->card2lun[SD_CARD]] = 4; |
| 3161 | #ifdef SUPPORT_SD_LOCK |
| 3162 | sd_card->sd_lock_status &= ~SD_LOCK_1BIT_MODE; |
| 3163 | #endif |
| 3164 | } else if (retval == SWITCH_FAIL) { |
| 3165 | CLR_MMC_8BIT(sd_card); |
| 3166 | CLR_MMC_4BIT(sd_card); |
| 3167 | } else { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3168 | rtsx_trace(chip); |
| 3169 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3170 | } |
| 3171 | } else { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3172 | rtsx_trace(chip); |
| 3173 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3174 | } |
| 3175 | |
| 3176 | return STATUS_SUCCESS; |
| 3177 | } |
| 3178 | |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3179 | static int reset_mmc(struct rtsx_chip *chip) |
| 3180 | { |
| 3181 | struct sd_info *sd_card = &(chip->sd_card); |
| 3182 | int retval, i = 0, j = 0, k = 0; |
Quentin Lambert | 1120176 | 2015-03-04 11:31:53 +0100 | [diff] [blame] | 3183 | bool switch_ddr = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3184 | u8 rsp[16]; |
| 3185 | u8 spec_ver = 0; |
| 3186 | u32 temp; |
| 3187 | |
| 3188 | #ifdef SUPPORT_SD_LOCK |
| 3189 | if (sd_card->sd_lock_status & SD_UNLOCK_POW_ON) |
| 3190 | goto MMC_UNLOCK_ENTRY; |
| 3191 | #endif |
| 3192 | |
| 3193 | Switch_Fail: |
| 3194 | retval = sd_prepare_reset(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3195 | if (retval != STATUS_SUCCESS) { |
| 3196 | rtsx_trace(chip); |
| 3197 | return retval; |
| 3198 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3199 | |
| 3200 | SET_MMC(sd_card); |
| 3201 | |
| 3202 | RTY_MMC_RST: |
| 3203 | retval = sd_send_cmd_get_rsp(chip, GO_IDLE_STATE, 0, SD_RSP_TYPE_R0, |
| 3204 | NULL, 0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3205 | if (retval != STATUS_SUCCESS) { |
| 3206 | rtsx_trace(chip); |
| 3207 | return STATUS_FAIL; |
| 3208 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3209 | |
| 3210 | do { |
| 3211 | if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) { |
| 3212 | sd_set_err_code(chip, SD_NO_CARD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3213 | rtsx_trace(chip); |
| 3214 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3215 | } |
| 3216 | |
| 3217 | retval = sd_send_cmd_get_rsp(chip, SEND_OP_COND, |
| 3218 | (SUPPORT_VOLTAGE | 0x40000000), |
| 3219 | SD_RSP_TYPE_R3, rsp, 5); |
| 3220 | if (retval != STATUS_SUCCESS) { |
| 3221 | if (sd_check_err_code(chip, SD_BUSY) || |
| 3222 | sd_check_err_code(chip, SD_TO_ERR)) { |
| 3223 | k++; |
| 3224 | if (k < 20) { |
| 3225 | sd_clr_err_code(chip); |
| 3226 | goto RTY_MMC_RST; |
| 3227 | } else { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3228 | rtsx_trace(chip); |
| 3229 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3230 | } |
| 3231 | } else { |
| 3232 | j++; |
| 3233 | if (j < 100) { |
| 3234 | sd_clr_err_code(chip); |
| 3235 | goto RTY_MMC_RST; |
| 3236 | } else { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3237 | rtsx_trace(chip); |
| 3238 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3239 | } |
| 3240 | } |
| 3241 | } |
| 3242 | |
| 3243 | wait_timeout(20); |
| 3244 | i++; |
| 3245 | } while (!(rsp[1] & 0x80) && (i < 255)); |
| 3246 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3247 | if (i == 255) { |
| 3248 | rtsx_trace(chip); |
| 3249 | return STATUS_FAIL; |
| 3250 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3251 | |
| 3252 | if ((rsp[1] & 0x60) == 0x40) |
| 3253 | SET_MMC_SECTOR_MODE(sd_card); |
| 3254 | else |
| 3255 | CLR_MMC_SECTOR_MODE(sd_card); |
| 3256 | |
| 3257 | retval = sd_send_cmd_get_rsp(chip, ALL_SEND_CID, 0, SD_RSP_TYPE_R2, |
| 3258 | NULL, 0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3259 | if (retval != STATUS_SUCCESS) { |
| 3260 | rtsx_trace(chip); |
| 3261 | return STATUS_FAIL; |
| 3262 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3263 | |
| 3264 | sd_card->sd_addr = 0x00100000; |
| 3265 | retval = sd_send_cmd_get_rsp(chip, SET_RELATIVE_ADDR, sd_card->sd_addr, |
| 3266 | SD_RSP_TYPE_R6, rsp, 5); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3267 | if (retval != STATUS_SUCCESS) { |
| 3268 | rtsx_trace(chip); |
| 3269 | return STATUS_FAIL; |
| 3270 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3271 | |
| 3272 | retval = sd_check_csd(chip, 1); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3273 | if (retval != STATUS_SUCCESS) { |
| 3274 | rtsx_trace(chip); |
| 3275 | return STATUS_FAIL; |
| 3276 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3277 | |
| 3278 | spec_ver = (sd_card->raw_csd[0] & 0x3C) >> 2; |
| 3279 | |
| 3280 | retval = sd_select_card(chip, 1); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3281 | if (retval != STATUS_SUCCESS) { |
| 3282 | rtsx_trace(chip); |
| 3283 | return STATUS_FAIL; |
| 3284 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3285 | |
| 3286 | retval = sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, 0x200, SD_RSP_TYPE_R1, |
| 3287 | NULL, 0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3288 | if (retval != STATUS_SUCCESS) { |
| 3289 | rtsx_trace(chip); |
| 3290 | return STATUS_FAIL; |
| 3291 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3292 | |
| 3293 | #ifdef SUPPORT_SD_LOCK |
| 3294 | MMC_UNLOCK_ENTRY: |
| 3295 | retval = sd_update_lock_status(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3296 | if (retval != STATUS_SUCCESS) { |
| 3297 | rtsx_trace(chip); |
| 3298 | return STATUS_FAIL; |
| 3299 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3300 | #endif |
| 3301 | |
| 3302 | retval = sd_set_clock_divider(chip, SD_CLK_DIVIDE_0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3303 | if (retval != STATUS_SUCCESS) { |
| 3304 | rtsx_trace(chip); |
| 3305 | return STATUS_FAIL; |
| 3306 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3307 | |
| 3308 | chip->card_bus_width[chip->card2lun[SD_CARD]] = 1; |
| 3309 | |
| 3310 | if (!sd_card->mmc_dont_switch_bus) { |
| 3311 | if (spec_ver == 4) { |
| 3312 | /* MMC 4.x Cards */ |
| 3313 | retval = mmc_switch_timing_bus(chip, switch_ddr); |
| 3314 | if (retval != STATUS_SUCCESS) { |
| 3315 | retval = sd_init_power(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3316 | if (retval != STATUS_SUCCESS) { |
| 3317 | rtsx_trace(chip); |
| 3318 | return STATUS_FAIL; |
| 3319 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3320 | sd_card->mmc_dont_switch_bus = 1; |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3321 | rtsx_trace(chip); |
| 3322 | goto Switch_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3323 | } |
| 3324 | } |
| 3325 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3326 | if (CHK_MMC_SECTOR_MODE(sd_card) && (sd_card->capacity == 0)) { |
| 3327 | rtsx_trace(chip); |
| 3328 | return STATUS_FAIL; |
| 3329 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3330 | |
| 3331 | if (switch_ddr && CHK_MMC_DDR52(sd_card)) { |
| 3332 | retval = sd_set_init_para(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3333 | if (retval != STATUS_SUCCESS) { |
| 3334 | rtsx_trace(chip); |
| 3335 | return STATUS_FAIL; |
| 3336 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3337 | |
| 3338 | retval = mmc_ddr_tuning(chip); |
| 3339 | if (retval != STATUS_SUCCESS) { |
| 3340 | retval = sd_init_power(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3341 | if (retval != STATUS_SUCCESS) { |
| 3342 | rtsx_trace(chip); |
| 3343 | return STATUS_FAIL; |
| 3344 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3345 | |
Quentin Lambert | 1120176 | 2015-03-04 11:31:53 +0100 | [diff] [blame] | 3346 | switch_ddr = false; |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3347 | rtsx_trace(chip); |
| 3348 | goto Switch_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3349 | } |
| 3350 | |
| 3351 | retval = sd_wait_state_data_ready(chip, 0x08, 1, 1000); |
| 3352 | if (retval == STATUS_SUCCESS) { |
| 3353 | retval = sd_read_lba0(chip); |
| 3354 | if (retval != STATUS_SUCCESS) { |
| 3355 | retval = sd_init_power(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3356 | if (retval != STATUS_SUCCESS) { |
| 3357 | rtsx_trace(chip); |
| 3358 | return STATUS_FAIL; |
| 3359 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3360 | |
Quentin Lambert | 1120176 | 2015-03-04 11:31:53 +0100 | [diff] [blame] | 3361 | switch_ddr = false; |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3362 | rtsx_trace(chip); |
| 3363 | goto Switch_Fail; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3364 | } |
| 3365 | } |
| 3366 | } |
| 3367 | } |
| 3368 | |
| 3369 | #ifdef SUPPORT_SD_LOCK |
| 3370 | if (sd_card->sd_lock_status & SD_UNLOCK_POW_ON) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 3371 | retval = rtsx_write_register(chip, REG_SD_BLOCK_CNT_H, 0xFF, |
| 3372 | 0x02); |
| 3373 | if (retval) { |
| 3374 | rtsx_trace(chip); |
| 3375 | return retval; |
| 3376 | } |
| 3377 | retval = rtsx_write_register(chip, REG_SD_BLOCK_CNT_L, 0xFF, |
| 3378 | 0x00); |
| 3379 | if (retval) { |
| 3380 | rtsx_trace(chip); |
| 3381 | return retval; |
| 3382 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3383 | } |
| 3384 | #endif |
| 3385 | |
| 3386 | temp = rtsx_readl(chip, RTSX_BIPR); |
| 3387 | if (temp & SD_WRITE_PROTECT) |
| 3388 | chip->card_wp |= SD_CARD; |
| 3389 | |
| 3390 | return STATUS_SUCCESS; |
| 3391 | } |
| 3392 | |
| 3393 | int reset_sd_card(struct rtsx_chip *chip) |
| 3394 | { |
| 3395 | struct sd_info *sd_card = &(chip->sd_card); |
| 3396 | int retval; |
| 3397 | |
| 3398 | sd_init_reg_addr(chip); |
| 3399 | |
| 3400 | memset(sd_card, 0, sizeof(struct sd_info)); |
| 3401 | chip->capacity[chip->card2lun[SD_CARD]] = 0; |
| 3402 | |
| 3403 | retval = enable_card_clock(chip, SD_CARD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3404 | if (retval != STATUS_SUCCESS) { |
| 3405 | rtsx_trace(chip); |
| 3406 | return STATUS_FAIL; |
| 3407 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3408 | |
| 3409 | if (chip->ignore_sd && CHK_SDIO_EXIST(chip) && |
| 3410 | !CHK_SDIO_IGNORED(chip)) { |
| 3411 | if (chip->asic_code) { |
| 3412 | retval = sd_pull_ctl_enable(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3413 | if (retval != STATUS_SUCCESS) { |
| 3414 | rtsx_trace(chip); |
| 3415 | return STATUS_FAIL; |
| 3416 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3417 | } else { |
| 3418 | retval = rtsx_write_register(chip, FPGA_PULL_CTL, |
| 3419 | FPGA_SD_PULL_CTL_BIT | 0x20, 0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3420 | if (retval != STATUS_SUCCESS) { |
| 3421 | rtsx_trace(chip); |
| 3422 | return STATUS_FAIL; |
| 3423 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3424 | } |
| 3425 | retval = card_share_mode(chip, SD_CARD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3426 | if (retval != STATUS_SUCCESS) { |
| 3427 | rtsx_trace(chip); |
| 3428 | return STATUS_FAIL; |
| 3429 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3430 | |
| 3431 | chip->sd_io = 1; |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3432 | rtsx_trace(chip); |
| 3433 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3434 | } |
| 3435 | |
| 3436 | retval = sd_init_power(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3437 | if (retval != STATUS_SUCCESS) { |
| 3438 | rtsx_trace(chip); |
| 3439 | return STATUS_FAIL; |
| 3440 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3441 | |
| 3442 | if (chip->sd_ctl & RESET_MMC_FIRST) { |
| 3443 | retval = reset_mmc(chip); |
| 3444 | if (retval != STATUS_SUCCESS) { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3445 | if (sd_check_err_code(chip, SD_NO_CARD)) { |
| 3446 | rtsx_trace(chip); |
| 3447 | return STATUS_FAIL; |
| 3448 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3449 | |
| 3450 | retval = reset_sd(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3451 | if (retval != STATUS_SUCCESS) { |
| 3452 | rtsx_trace(chip); |
| 3453 | return STATUS_FAIL; |
| 3454 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3455 | } |
| 3456 | } else { |
| 3457 | retval = reset_sd(chip); |
| 3458 | if (retval != STATUS_SUCCESS) { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3459 | if (sd_check_err_code(chip, SD_NO_CARD)) { |
| 3460 | rtsx_trace(chip); |
| 3461 | return STATUS_FAIL; |
| 3462 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3463 | |
| 3464 | if (chip->sd_io) { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3465 | rtsx_trace(chip); |
| 3466 | return STATUS_FAIL; |
Leung Timothy Chi King | 364b91b | 2015-07-01 09:44:13 -0700 | [diff] [blame] | 3467 | } |
| 3468 | retval = reset_mmc(chip); |
| 3469 | if (retval != STATUS_SUCCESS) { |
| 3470 | rtsx_trace(chip); |
| 3471 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3472 | } |
| 3473 | } |
| 3474 | } |
| 3475 | |
| 3476 | retval = sd_set_clock_divider(chip, SD_CLK_DIVIDE_0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3477 | if (retval != STATUS_SUCCESS) { |
| 3478 | rtsx_trace(chip); |
| 3479 | return STATUS_FAIL; |
| 3480 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3481 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 3482 | retval = rtsx_write_register(chip, REG_SD_BYTE_CNT_L, 0xFF, 0); |
| 3483 | if (retval) { |
| 3484 | rtsx_trace(chip); |
| 3485 | return retval; |
| 3486 | } |
| 3487 | retval = rtsx_write_register(chip, REG_SD_BYTE_CNT_H, 0xFF, 2); |
| 3488 | if (retval) { |
| 3489 | rtsx_trace(chip); |
| 3490 | return retval; |
| 3491 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3492 | |
| 3493 | chip->capacity[chip->card2lun[SD_CARD]] = sd_card->capacity; |
| 3494 | |
| 3495 | retval = sd_set_init_para(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3496 | if (retval != STATUS_SUCCESS) { |
| 3497 | rtsx_trace(chip); |
| 3498 | return STATUS_FAIL; |
| 3499 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3500 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 3501 | dev_dbg(rtsx_dev(chip), "sd_card->sd_type = 0x%x\n", sd_card->sd_type); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3502 | |
| 3503 | return STATUS_SUCCESS; |
| 3504 | } |
| 3505 | |
| 3506 | static int reset_mmc_only(struct rtsx_chip *chip) |
| 3507 | { |
| 3508 | struct sd_info *sd_card = &(chip->sd_card); |
| 3509 | int retval; |
| 3510 | |
| 3511 | sd_card->sd_type = 0; |
| 3512 | sd_card->seq_mode = 0; |
| 3513 | sd_card->sd_data_buf_ready = 0; |
| 3514 | sd_card->capacity = 0; |
| 3515 | sd_card->sd_switch_fail = 0; |
| 3516 | |
| 3517 | #ifdef SUPPORT_SD_LOCK |
| 3518 | sd_card->sd_lock_status = 0; |
| 3519 | sd_card->sd_erase_status = 0; |
| 3520 | #endif |
| 3521 | |
| 3522 | chip->capacity[chip->card2lun[SD_CARD]] = sd_card->capacity = 0; |
| 3523 | |
| 3524 | retval = enable_card_clock(chip, SD_CARD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3525 | if (retval != STATUS_SUCCESS) { |
| 3526 | rtsx_trace(chip); |
| 3527 | return STATUS_FAIL; |
| 3528 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3529 | |
| 3530 | retval = sd_init_power(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3531 | if (retval != STATUS_SUCCESS) { |
| 3532 | rtsx_trace(chip); |
| 3533 | return STATUS_FAIL; |
| 3534 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3535 | |
| 3536 | retval = reset_mmc(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3537 | if (retval != STATUS_SUCCESS) { |
| 3538 | rtsx_trace(chip); |
| 3539 | return STATUS_FAIL; |
| 3540 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3541 | |
| 3542 | retval = sd_set_clock_divider(chip, SD_CLK_DIVIDE_0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3543 | if (retval != STATUS_SUCCESS) { |
| 3544 | rtsx_trace(chip); |
| 3545 | return STATUS_FAIL; |
| 3546 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3547 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 3548 | retval = rtsx_write_register(chip, REG_SD_BYTE_CNT_L, 0xFF, 0); |
| 3549 | if (retval) { |
| 3550 | rtsx_trace(chip); |
| 3551 | return retval; |
| 3552 | } |
| 3553 | retval = rtsx_write_register(chip, REG_SD_BYTE_CNT_H, 0xFF, 2); |
| 3554 | if (retval) { |
| 3555 | rtsx_trace(chip); |
| 3556 | return retval; |
| 3557 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3558 | |
| 3559 | chip->capacity[chip->card2lun[SD_CARD]] = sd_card->capacity; |
| 3560 | |
| 3561 | retval = sd_set_init_para(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3562 | if (retval != STATUS_SUCCESS) { |
| 3563 | rtsx_trace(chip); |
| 3564 | return STATUS_FAIL; |
| 3565 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3566 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 3567 | dev_dbg(rtsx_dev(chip), "In reset_mmc_only, sd_card->sd_type = 0x%x\n", |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3568 | sd_card->sd_type); |
| 3569 | |
| 3570 | return STATUS_SUCCESS; |
| 3571 | } |
| 3572 | |
| 3573 | #define WAIT_DATA_READY_RTY_CNT 255 |
| 3574 | |
| 3575 | static int wait_data_buf_ready(struct rtsx_chip *chip) |
| 3576 | { |
| 3577 | struct sd_info *sd_card = &(chip->sd_card); |
| 3578 | int i, retval; |
| 3579 | |
| 3580 | for (i = 0; i < WAIT_DATA_READY_RTY_CNT; i++) { |
| 3581 | if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) { |
| 3582 | sd_set_err_code(chip, SD_NO_CARD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3583 | rtsx_trace(chip); |
| 3584 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3585 | } |
| 3586 | |
| 3587 | sd_card->sd_data_buf_ready = 0; |
| 3588 | |
| 3589 | retval = sd_send_cmd_get_rsp(chip, SEND_STATUS, |
| 3590 | sd_card->sd_addr, SD_RSP_TYPE_R1, NULL, 0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3591 | if (retval != STATUS_SUCCESS) { |
| 3592 | rtsx_trace(chip); |
| 3593 | return STATUS_FAIL; |
| 3594 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3595 | |
| 3596 | if (sd_card->sd_data_buf_ready) { |
| 3597 | return sd_send_cmd_get_rsp(chip, SEND_STATUS, |
| 3598 | sd_card->sd_addr, SD_RSP_TYPE_R1, NULL, 0); |
| 3599 | } |
| 3600 | } |
| 3601 | |
| 3602 | sd_set_err_code(chip, SD_TO_ERR); |
| 3603 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3604 | rtsx_trace(chip); |
| 3605 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3606 | } |
| 3607 | |
| 3608 | void sd_stop_seq_mode(struct rtsx_chip *chip) |
| 3609 | { |
| 3610 | struct sd_info *sd_card = &(chip->sd_card); |
| 3611 | int retval; |
| 3612 | |
| 3613 | if (sd_card->seq_mode) { |
| 3614 | retval = sd_switch_clock(chip); |
| 3615 | if (retval != STATUS_SUCCESS) |
| 3616 | return; |
| 3617 | |
| 3618 | retval = sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION, 0, |
| 3619 | SD_RSP_TYPE_R1b, NULL, 0); |
| 3620 | if (retval != STATUS_SUCCESS) |
| 3621 | sd_set_err_code(chip, SD_STS_ERR); |
| 3622 | |
| 3623 | retval = sd_wait_state_data_ready(chip, 0x08, 1, 1000); |
| 3624 | if (retval != STATUS_SUCCESS) |
| 3625 | sd_set_err_code(chip, SD_STS_ERR); |
| 3626 | |
| 3627 | sd_card->seq_mode = 0; |
| 3628 | |
| 3629 | rtsx_write_register(chip, RBCTL, RB_FLUSH, RB_FLUSH); |
| 3630 | } |
| 3631 | } |
| 3632 | |
| 3633 | static inline int sd_auto_tune_clock(struct rtsx_chip *chip) |
| 3634 | { |
| 3635 | struct sd_info *sd_card = &(chip->sd_card); |
| 3636 | int retval; |
| 3637 | |
| 3638 | if (chip->asic_code) { |
| 3639 | if (sd_card->sd_clock > 30) |
| 3640 | sd_card->sd_clock -= 20; |
| 3641 | } else { |
| 3642 | switch (sd_card->sd_clock) { |
| 3643 | case CLK_200: |
| 3644 | sd_card->sd_clock = CLK_150; |
| 3645 | break; |
| 3646 | |
| 3647 | case CLK_150: |
| 3648 | sd_card->sd_clock = CLK_120; |
| 3649 | break; |
| 3650 | |
| 3651 | case CLK_120: |
| 3652 | sd_card->sd_clock = CLK_100; |
| 3653 | break; |
| 3654 | |
| 3655 | case CLK_100: |
| 3656 | sd_card->sd_clock = CLK_80; |
| 3657 | break; |
| 3658 | |
| 3659 | case CLK_80: |
| 3660 | sd_card->sd_clock = CLK_60; |
| 3661 | break; |
| 3662 | |
| 3663 | case CLK_60: |
| 3664 | sd_card->sd_clock = CLK_50; |
| 3665 | break; |
| 3666 | |
| 3667 | default: |
| 3668 | break; |
| 3669 | } |
| 3670 | } |
| 3671 | |
| 3672 | retval = sd_switch_clock(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3673 | if (retval != STATUS_SUCCESS) { |
| 3674 | rtsx_trace(chip); |
| 3675 | return STATUS_FAIL; |
| 3676 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3677 | |
| 3678 | return STATUS_SUCCESS; |
| 3679 | } |
| 3680 | |
| 3681 | int sd_rw(struct scsi_cmnd *srb, struct rtsx_chip *chip, u32 start_sector, |
| 3682 | u16 sector_cnt) |
| 3683 | { |
| 3684 | struct sd_info *sd_card = &(chip->sd_card); |
| 3685 | u32 data_addr; |
| 3686 | u8 cfg2; |
| 3687 | int retval; |
| 3688 | |
| 3689 | if (srb->sc_data_direction == DMA_FROM_DEVICE) { |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 3690 | dev_dbg(rtsx_dev(chip), "sd_rw: Read %d %s from 0x%x\n", |
| 3691 | sector_cnt, (sector_cnt > 1) ? "sectors" : "sector", |
| 3692 | start_sector); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3693 | } else { |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 3694 | dev_dbg(rtsx_dev(chip), "sd_rw: Write %d %s to 0x%x\n", |
| 3695 | sector_cnt, (sector_cnt > 1) ? "sectors" : "sector", |
| 3696 | start_sector); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3697 | } |
| 3698 | |
| 3699 | sd_card->cleanup_counter = 0; |
| 3700 | |
| 3701 | if (!(chip->card_ready & SD_CARD)) { |
| 3702 | sd_card->seq_mode = 0; |
| 3703 | |
| 3704 | retval = reset_sd_card(chip); |
| 3705 | if (retval == STATUS_SUCCESS) { |
| 3706 | chip->card_ready |= SD_CARD; |
| 3707 | chip->card_fail &= ~SD_CARD; |
| 3708 | } else { |
| 3709 | chip->card_ready &= ~SD_CARD; |
| 3710 | chip->card_fail |= SD_CARD; |
| 3711 | chip->capacity[chip->card2lun[SD_CARD]] = 0; |
| 3712 | chip->rw_need_retry = 1; |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3713 | rtsx_trace(chip); |
| 3714 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3715 | } |
| 3716 | } |
| 3717 | |
| 3718 | if (!CHK_SD_HCXC(sd_card) && !CHK_MMC_SECTOR_MODE(sd_card)) |
| 3719 | data_addr = start_sector << 9; |
| 3720 | else |
| 3721 | data_addr = start_sector; |
| 3722 | |
| 3723 | sd_clr_err_code(chip); |
| 3724 | |
| 3725 | retval = sd_switch_clock(chip); |
| 3726 | if (retval != STATUS_SUCCESS) { |
| 3727 | sd_set_err_code(chip, SD_IO_ERR); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3728 | rtsx_trace(chip); |
| 3729 | goto RW_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3730 | } |
| 3731 | |
| 3732 | if (sd_card->seq_mode && |
| 3733 | ((sd_card->pre_dir != srb->sc_data_direction) || |
| 3734 | ((sd_card->pre_sec_addr + sd_card->pre_sec_cnt) != |
| 3735 | start_sector))) { |
| 3736 | if ((sd_card->pre_sec_cnt < 0x80) |
| 3737 | && (sd_card->pre_dir == DMA_FROM_DEVICE) |
| 3738 | && !CHK_SD30_SPEED(sd_card) |
| 3739 | && !CHK_SD_HS(sd_card) |
| 3740 | && !CHK_MMC_HS(sd_card)) { |
| 3741 | sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, |
| 3742 | SD_RSP_TYPE_R1, NULL, 0); |
| 3743 | } |
| 3744 | |
| 3745 | retval = sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION, |
| 3746 | 0, SD_RSP_TYPE_R1b, NULL, 0); |
| 3747 | if (retval != STATUS_SUCCESS) { |
| 3748 | chip->rw_need_retry = 1; |
| 3749 | sd_set_err_code(chip, SD_STS_ERR); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3750 | rtsx_trace(chip); |
| 3751 | goto RW_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3752 | } |
| 3753 | |
| 3754 | sd_card->seq_mode = 0; |
| 3755 | |
| 3756 | retval = rtsx_write_register(chip, RBCTL, RB_FLUSH, RB_FLUSH); |
| 3757 | if (retval != STATUS_SUCCESS) { |
| 3758 | sd_set_err_code(chip, SD_IO_ERR); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3759 | rtsx_trace(chip); |
| 3760 | goto RW_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3761 | } |
| 3762 | |
| 3763 | if ((sd_card->pre_sec_cnt < 0x80) |
| 3764 | && !CHK_SD30_SPEED(sd_card) |
| 3765 | && !CHK_SD_HS(sd_card) |
| 3766 | && !CHK_MMC_HS(sd_card)) { |
| 3767 | sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, |
| 3768 | SD_RSP_TYPE_R1, NULL, 0); |
| 3769 | } |
| 3770 | } |
| 3771 | |
| 3772 | rtsx_init_cmd(chip); |
| 3773 | |
| 3774 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L, 0xFF, 0x00); |
| 3775 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_H, 0xFF, 0x02); |
| 3776 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_L, 0xFF, |
| 3777 | (u8)sector_cnt); |
| 3778 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_H, 0xFF, |
| 3779 | (u8)(sector_cnt >> 8)); |
| 3780 | |
| 3781 | rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, RING_BUFFER); |
| 3782 | |
| 3783 | if (CHK_MMC_8BIT(sd_card)) |
| 3784 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG1, |
| 3785 | 0x03, SD_BUS_WIDTH_8); |
| 3786 | else if (CHK_MMC_4BIT(sd_card) || CHK_SD(sd_card)) |
| 3787 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG1, |
| 3788 | 0x03, SD_BUS_WIDTH_4); |
| 3789 | else |
| 3790 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG1, |
| 3791 | 0x03, SD_BUS_WIDTH_1); |
| 3792 | |
| 3793 | if (sd_card->seq_mode) { |
| 3794 | cfg2 = SD_NO_CALCULATE_CRC7 | SD_CHECK_CRC16| |
| 3795 | SD_NO_WAIT_BUSY_END | SD_NO_CHECK_CRC7 | |
| 3796 | SD_RSP_LEN_0; |
| 3797 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF, cfg2); |
| 3798 | |
| 3799 | trans_dma_enable(srb->sc_data_direction, chip, sector_cnt * 512, |
| 3800 | DMA_512); |
| 3801 | |
| 3802 | if (srb->sc_data_direction == DMA_FROM_DEVICE) { |
| 3803 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF, |
| 3804 | SD_TM_AUTO_READ_3 | SD_TRANSFER_START); |
| 3805 | } else { |
| 3806 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF, |
| 3807 | SD_TM_AUTO_WRITE_3 | SD_TRANSFER_START); |
| 3808 | } |
| 3809 | |
| 3810 | rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER, |
| 3811 | SD_TRANSFER_END, SD_TRANSFER_END); |
| 3812 | |
| 3813 | rtsx_send_cmd_no_wait(chip); |
| 3814 | } else { |
| 3815 | if (srb->sc_data_direction == DMA_FROM_DEVICE) { |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 3816 | dev_dbg(rtsx_dev(chip), "SD/MMC CMD %d\n", |
| 3817 | READ_MULTIPLE_BLOCK); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3818 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD0, 0xFF, |
| 3819 | 0x40 | READ_MULTIPLE_BLOCK); |
| 3820 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD1, 0xFF, |
| 3821 | (u8)(data_addr >> 24)); |
| 3822 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD2, 0xFF, |
| 3823 | (u8)(data_addr >> 16)); |
| 3824 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD3, 0xFF, |
| 3825 | (u8)(data_addr >> 8)); |
| 3826 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD4, 0xFF, |
| 3827 | (u8)data_addr); |
| 3828 | |
| 3829 | cfg2 = SD_CALCULATE_CRC7 | SD_CHECK_CRC16 | |
| 3830 | SD_NO_WAIT_BUSY_END | SD_CHECK_CRC7 | |
| 3831 | SD_RSP_LEN_6; |
| 3832 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF, |
| 3833 | cfg2); |
| 3834 | |
| 3835 | trans_dma_enable(srb->sc_data_direction, chip, |
| 3836 | sector_cnt * 512, DMA_512); |
| 3837 | |
| 3838 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF, |
| 3839 | SD_TM_AUTO_READ_2 | SD_TRANSFER_START); |
| 3840 | rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER, |
| 3841 | SD_TRANSFER_END, SD_TRANSFER_END); |
| 3842 | |
| 3843 | rtsx_send_cmd_no_wait(chip); |
| 3844 | } else { |
| 3845 | retval = rtsx_send_cmd(chip, SD_CARD, 50); |
| 3846 | if (retval < 0) { |
| 3847 | rtsx_clear_sd_error(chip); |
| 3848 | |
| 3849 | chip->rw_need_retry = 1; |
| 3850 | sd_set_err_code(chip, SD_TO_ERR); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3851 | rtsx_trace(chip); |
| 3852 | goto RW_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3853 | } |
| 3854 | |
| 3855 | retval = wait_data_buf_ready(chip); |
| 3856 | if (retval != STATUS_SUCCESS) { |
| 3857 | chip->rw_need_retry = 1; |
| 3858 | sd_set_err_code(chip, SD_TO_ERR); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3859 | rtsx_trace(chip); |
| 3860 | goto RW_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3861 | } |
| 3862 | |
| 3863 | retval = sd_send_cmd_get_rsp(chip, WRITE_MULTIPLE_BLOCK, |
| 3864 | data_addr, SD_RSP_TYPE_R1, NULL, 0); |
| 3865 | if (retval != STATUS_SUCCESS) { |
| 3866 | chip->rw_need_retry = 1; |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3867 | rtsx_trace(chip); |
| 3868 | goto RW_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3869 | } |
| 3870 | |
| 3871 | rtsx_init_cmd(chip); |
| 3872 | |
| 3873 | cfg2 = SD_NO_CALCULATE_CRC7 | SD_CHECK_CRC16 | |
| 3874 | SD_NO_WAIT_BUSY_END | |
| 3875 | SD_NO_CHECK_CRC7 | SD_RSP_LEN_0; |
| 3876 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF, |
| 3877 | cfg2); |
| 3878 | |
| 3879 | trans_dma_enable(srb->sc_data_direction, chip, |
| 3880 | sector_cnt * 512, DMA_512); |
| 3881 | |
| 3882 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF, |
| 3883 | SD_TM_AUTO_WRITE_3 | SD_TRANSFER_START); |
| 3884 | rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER, |
| 3885 | SD_TRANSFER_END, SD_TRANSFER_END); |
| 3886 | |
| 3887 | rtsx_send_cmd_no_wait(chip); |
| 3888 | } |
| 3889 | |
| 3890 | sd_card->seq_mode = 1; |
| 3891 | } |
| 3892 | |
| 3893 | retval = rtsx_transfer_data(chip, SD_CARD, scsi_sglist(srb), |
| 3894 | scsi_bufflen(srb), scsi_sg_count(srb), |
| 3895 | srb->sc_data_direction, chip->sd_timeout); |
| 3896 | if (retval < 0) { |
| 3897 | u8 stat = 0; |
| 3898 | int err; |
| 3899 | |
| 3900 | sd_card->seq_mode = 0; |
| 3901 | |
| 3902 | if (retval == -ETIMEDOUT) |
| 3903 | err = STATUS_TIMEDOUT; |
| 3904 | else |
| 3905 | err = STATUS_FAIL; |
| 3906 | |
| 3907 | rtsx_read_register(chip, REG_SD_STAT1, &stat); |
| 3908 | rtsx_clear_sd_error(chip); |
| 3909 | if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) { |
| 3910 | chip->rw_need_retry = 0; |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 3911 | dev_dbg(rtsx_dev(chip), "No card exist, exit sd_rw\n"); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3912 | rtsx_trace(chip); |
| 3913 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3914 | } |
| 3915 | |
| 3916 | chip->rw_need_retry = 1; |
| 3917 | |
| 3918 | retval = sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION, 0, |
| 3919 | SD_RSP_TYPE_R1b, NULL, 0); |
| 3920 | if (retval != STATUS_SUCCESS) { |
| 3921 | sd_set_err_code(chip, SD_STS_ERR); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3922 | rtsx_trace(chip); |
| 3923 | goto RW_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3924 | } |
| 3925 | |
| 3926 | if (stat & (SD_CRC7_ERR | SD_CRC16_ERR | SD_CRC_WRITE_ERR)) { |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 3927 | dev_dbg(rtsx_dev(chip), "SD CRC error, tune clock!\n"); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3928 | sd_set_err_code(chip, SD_CRC_ERR); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3929 | rtsx_trace(chip); |
| 3930 | goto RW_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3931 | } |
| 3932 | |
| 3933 | if (err == STATUS_TIMEDOUT) { |
| 3934 | sd_set_err_code(chip, SD_TO_ERR); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3935 | rtsx_trace(chip); |
| 3936 | goto RW_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3937 | } |
| 3938 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3939 | rtsx_trace(chip); |
| 3940 | return err; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3941 | } |
| 3942 | |
| 3943 | sd_card->pre_sec_addr = start_sector; |
| 3944 | sd_card->pre_sec_cnt = sector_cnt; |
| 3945 | sd_card->pre_dir = srb->sc_data_direction; |
| 3946 | |
| 3947 | return STATUS_SUCCESS; |
| 3948 | |
| 3949 | RW_FAIL: |
| 3950 | sd_card->seq_mode = 0; |
| 3951 | |
| 3952 | if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) { |
| 3953 | chip->rw_need_retry = 0; |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 3954 | dev_dbg(rtsx_dev(chip), "No card exist, exit sd_rw\n"); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3955 | rtsx_trace(chip); |
| 3956 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3957 | } |
| 3958 | |
| 3959 | if (sd_check_err_code(chip, SD_CRC_ERR)) { |
| 3960 | if (CHK_MMC_4BIT(sd_card) || CHK_MMC_8BIT(sd_card)) { |
| 3961 | sd_card->mmc_dont_switch_bus = 1; |
| 3962 | reset_mmc_only(chip); |
| 3963 | sd_card->mmc_dont_switch_bus = 0; |
| 3964 | } else { |
| 3965 | sd_card->need_retune = 1; |
| 3966 | sd_auto_tune_clock(chip); |
| 3967 | } |
| 3968 | } else if (sd_check_err_code(chip, SD_TO_ERR | SD_STS_ERR)) { |
| 3969 | retval = reset_sd_card(chip); |
| 3970 | if (retval != STATUS_SUCCESS) { |
| 3971 | chip->card_ready &= ~SD_CARD; |
| 3972 | chip->card_fail |= SD_CARD; |
| 3973 | chip->capacity[chip->card2lun[SD_CARD]] = 0; |
| 3974 | } |
| 3975 | } |
| 3976 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 3977 | rtsx_trace(chip); |
| 3978 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3979 | } |
| 3980 | |
| 3981 | #ifdef SUPPORT_CPRM |
| 3982 | int soft_reset_sd_card(struct rtsx_chip *chip) |
| 3983 | { |
| 3984 | return reset_sd(chip); |
| 3985 | } |
| 3986 | |
| 3987 | int ext_sd_send_cmd_get_rsp(struct rtsx_chip *chip, u8 cmd_idx, |
Quentin Lambert | 1120176 | 2015-03-04 11:31:53 +0100 | [diff] [blame] | 3988 | u32 arg, u8 rsp_type, u8 *rsp, int rsp_len, bool special_check) |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3989 | { |
| 3990 | int retval; |
| 3991 | int timeout = 100; |
| 3992 | u16 reg_addr; |
| 3993 | u8 *ptr; |
| 3994 | int stat_idx = 0; |
| 3995 | int rty_cnt = 0; |
| 3996 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 3997 | dev_dbg(rtsx_dev(chip), "EXT SD/MMC CMD %d\n", cmd_idx); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 3998 | |
| 3999 | if (rsp_type == SD_RSP_TYPE_R1b) |
| 4000 | timeout = 3000; |
| 4001 | |
| 4002 | RTY_SEND_CMD: |
| 4003 | |
| 4004 | rtsx_init_cmd(chip); |
| 4005 | |
| 4006 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD0, 0xFF, 0x40 | cmd_idx); |
| 4007 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD1, 0xFF, (u8)(arg >> 24)); |
| 4008 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD2, 0xFF, (u8)(arg >> 16)); |
| 4009 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD3, 0xFF, (u8)(arg >> 8)); |
| 4010 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD4, 0xFF, (u8)arg); |
| 4011 | |
| 4012 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF, rsp_type); |
| 4013 | rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, |
| 4014 | 0x01, PINGPONG_BUFFER); |
| 4015 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, |
| 4016 | 0xFF, SD_TM_CMD_RSP | SD_TRANSFER_START); |
| 4017 | rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER, SD_TRANSFER_END, |
| 4018 | SD_TRANSFER_END); |
| 4019 | |
| 4020 | if (rsp_type == SD_RSP_TYPE_R2) { |
| 4021 | for (reg_addr = PPBUF_BASE2; reg_addr < PPBUF_BASE2 + 16; |
| 4022 | reg_addr++) |
| 4023 | rtsx_add_cmd(chip, READ_REG_CMD, reg_addr, 0, 0); |
| 4024 | |
| 4025 | stat_idx = 17; |
| 4026 | } else if (rsp_type != SD_RSP_TYPE_R0) { |
| 4027 | for (reg_addr = REG_SD_CMD0; reg_addr <= REG_SD_CMD4; |
| 4028 | reg_addr++) |
| 4029 | rtsx_add_cmd(chip, READ_REG_CMD, reg_addr, 0, 0); |
| 4030 | |
| 4031 | stat_idx = 6; |
| 4032 | } |
| 4033 | rtsx_add_cmd(chip, READ_REG_CMD, REG_SD_CMD5, 0, 0); |
| 4034 | |
| 4035 | rtsx_add_cmd(chip, READ_REG_CMD, REG_SD_STAT1, 0, 0); |
| 4036 | |
| 4037 | retval = rtsx_send_cmd(chip, SD_CARD, timeout); |
| 4038 | if (retval < 0) { |
| 4039 | if (retval == -ETIMEDOUT) { |
| 4040 | rtsx_clear_sd_error(chip); |
| 4041 | |
| 4042 | if (rsp_type & SD_WAIT_BUSY_END) { |
| 4043 | retval = sd_check_data0_status(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4044 | if (retval != STATUS_SUCCESS) { |
| 4045 | rtsx_trace(chip); |
| 4046 | return retval; |
| 4047 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4048 | } else { |
| 4049 | sd_set_err_code(chip, SD_TO_ERR); |
| 4050 | } |
| 4051 | } |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4052 | rtsx_trace(chip); |
| 4053 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4054 | } |
| 4055 | |
| 4056 | if (rsp_type == SD_RSP_TYPE_R0) |
| 4057 | return STATUS_SUCCESS; |
| 4058 | |
| 4059 | ptr = rtsx_get_cmd_data(chip) + 1; |
| 4060 | |
| 4061 | if ((ptr[0] & 0xC0) != 0) { |
| 4062 | sd_set_err_code(chip, SD_STS_ERR); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4063 | rtsx_trace(chip); |
| 4064 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4065 | } |
| 4066 | |
| 4067 | if (!(rsp_type & SD_NO_CHECK_CRC7)) { |
| 4068 | if (ptr[stat_idx] & SD_CRC7_ERR) { |
| 4069 | if (cmd_idx == WRITE_MULTIPLE_BLOCK) { |
| 4070 | sd_set_err_code(chip, SD_CRC_ERR); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4071 | rtsx_trace(chip); |
| 4072 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4073 | } |
| 4074 | if (rty_cnt < SD_MAX_RETRY_COUNT) { |
| 4075 | wait_timeout(20); |
| 4076 | rty_cnt++; |
| 4077 | goto RTY_SEND_CMD; |
| 4078 | } else { |
| 4079 | sd_set_err_code(chip, SD_CRC_ERR); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4080 | rtsx_trace(chip); |
| 4081 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4082 | } |
| 4083 | } |
| 4084 | } |
| 4085 | |
| 4086 | if ((cmd_idx == SELECT_CARD) || (cmd_idx == APP_CMD) || |
| 4087 | (cmd_idx == SEND_STATUS) || (cmd_idx == STOP_TRANSMISSION)) { |
Quentin Lambert | 1120176 | 2015-03-04 11:31:53 +0100 | [diff] [blame] | 4088 | if ((cmd_idx != STOP_TRANSMISSION) && !special_check) { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4089 | if (ptr[1] & 0x80) { |
| 4090 | rtsx_trace(chip); |
| 4091 | return STATUS_FAIL; |
| 4092 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4093 | } |
| 4094 | #ifdef SUPPORT_SD_LOCK |
Yash Shah | 66e6d70 | 2015-08-03 11:18:31 +0000 | [diff] [blame] | 4095 | if (ptr[1] & 0x7D) { |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4096 | #else |
Yash Shah | 66e6d70 | 2015-08-03 11:18:31 +0000 | [diff] [blame] | 4097 | if (ptr[1] & 0x7F) { |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4098 | #endif |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4099 | rtsx_trace(chip); |
| 4100 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4101 | } |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4102 | if (ptr[2] & 0xF8) { |
| 4103 | rtsx_trace(chip); |
| 4104 | return STATUS_FAIL; |
| 4105 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4106 | |
| 4107 | if (cmd_idx == SELECT_CARD) { |
| 4108 | if (rsp_type == SD_RSP_TYPE_R2) { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4109 | if ((ptr[3] & 0x1E) != 0x04) { |
| 4110 | rtsx_trace(chip); |
| 4111 | return STATUS_FAIL; |
| 4112 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4113 | |
| 4114 | } else if (rsp_type == SD_RSP_TYPE_R0) { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4115 | if ((ptr[3] & 0x1E) != 0x03) { |
| 4116 | rtsx_trace(chip); |
| 4117 | return STATUS_FAIL; |
| 4118 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4119 | } |
| 4120 | } |
| 4121 | } |
| 4122 | |
| 4123 | if (rsp && rsp_len) |
| 4124 | memcpy(rsp, ptr, rsp_len); |
| 4125 | |
| 4126 | return STATUS_SUCCESS; |
| 4127 | } |
| 4128 | |
| 4129 | int ext_sd_get_rsp(struct rtsx_chip *chip, int len, u8 *rsp, u8 rsp_type) |
| 4130 | { |
| 4131 | int retval, rsp_len; |
| 4132 | u16 reg_addr; |
| 4133 | |
| 4134 | if (rsp_type == SD_RSP_TYPE_R0) |
| 4135 | return STATUS_SUCCESS; |
| 4136 | |
| 4137 | rtsx_init_cmd(chip); |
| 4138 | |
| 4139 | if (rsp_type == SD_RSP_TYPE_R2) { |
| 4140 | for (reg_addr = PPBUF_BASE2; reg_addr < PPBUF_BASE2 + 16; |
| 4141 | reg_addr++) |
| 4142 | rtsx_add_cmd(chip, READ_REG_CMD, reg_addr, 0xFF, 0); |
| 4143 | |
| 4144 | rsp_len = 17; |
| 4145 | } else if (rsp_type != SD_RSP_TYPE_R0) { |
| 4146 | for (reg_addr = REG_SD_CMD0; reg_addr <= REG_SD_CMD4; |
| 4147 | reg_addr++) |
| 4148 | rtsx_add_cmd(chip, READ_REG_CMD, reg_addr, 0xFF, 0); |
| 4149 | |
| 4150 | rsp_len = 6; |
| 4151 | } |
| 4152 | rtsx_add_cmd(chip, READ_REG_CMD, REG_SD_CMD5, 0xFF, 0); |
| 4153 | |
| 4154 | retval = rtsx_send_cmd(chip, SD_CARD, 100); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4155 | if (retval != STATUS_SUCCESS) { |
| 4156 | rtsx_trace(chip); |
| 4157 | return STATUS_FAIL; |
| 4158 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4159 | |
| 4160 | if (rsp) { |
| 4161 | int min_len = (rsp_len < len) ? rsp_len : len; |
| 4162 | |
| 4163 | memcpy(rsp, rtsx_get_cmd_data(chip), min_len); |
| 4164 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 4165 | dev_dbg(rtsx_dev(chip), "min_len = %d\n", min_len); |
| 4166 | dev_dbg(rtsx_dev(chip), "Response in cmd buf: 0x%x 0x%x 0x%x 0x%x\n", |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4167 | rsp[0], rsp[1], rsp[2], rsp[3]); |
| 4168 | } |
| 4169 | |
| 4170 | return STATUS_SUCCESS; |
| 4171 | } |
| 4172 | |
| 4173 | int sd_pass_thru_mode(struct scsi_cmnd *srb, struct rtsx_chip *chip) |
| 4174 | { |
| 4175 | struct sd_info *sd_card = &(chip->sd_card); |
| 4176 | unsigned int lun = SCSI_LUN(srb); |
| 4177 | int len; |
| 4178 | u8 buf[18] = { |
| 4179 | 0x00, |
| 4180 | 0x00, |
| 4181 | 0x00, |
| 4182 | 0x0E, |
| 4183 | 0x00, |
| 4184 | 0x00, |
| 4185 | 0x00, |
| 4186 | 0x00, |
| 4187 | 0x53, |
| 4188 | 0x44, |
| 4189 | 0x20, |
| 4190 | 0x43, |
| 4191 | 0x61, |
| 4192 | 0x72, |
| 4193 | 0x64, |
| 4194 | 0x00, |
| 4195 | 0x00, |
| 4196 | 0x00, |
| 4197 | }; |
| 4198 | |
| 4199 | sd_card->pre_cmd_err = 0; |
| 4200 | |
| 4201 | if (!(CHK_BIT(chip->lun_mc, lun))) { |
| 4202 | SET_BIT(chip->lun_mc, lun); |
| 4203 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4204 | rtsx_trace(chip); |
| 4205 | return TRANSPORT_FAILED; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4206 | } |
| 4207 | |
Janani Ravichandran | 3b15cfb | 2016-02-13 21:57:51 -0500 | [diff] [blame] | 4208 | if ((srb->cmnd[2] != 0x53) || (srb->cmnd[3] != 0x44) || |
| 4209 | (srb->cmnd[4] != 0x20) || (srb->cmnd[5] != 0x43) || |
| 4210 | (srb->cmnd[6] != 0x61) || (srb->cmnd[7] != 0x72) || |
| 4211 | (srb->cmnd[8] != 0x64)) { |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4212 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4213 | rtsx_trace(chip); |
| 4214 | return TRANSPORT_FAILED; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4215 | } |
| 4216 | |
| 4217 | switch (srb->cmnd[1] & 0x0F) { |
| 4218 | case 0: |
| 4219 | sd_card->sd_pass_thru_en = 0; |
| 4220 | break; |
| 4221 | |
| 4222 | case 1: |
| 4223 | sd_card->sd_pass_thru_en = 1; |
| 4224 | break; |
| 4225 | |
| 4226 | default: |
| 4227 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4228 | rtsx_trace(chip); |
| 4229 | return TRANSPORT_FAILED; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4230 | } |
| 4231 | |
Janani Ravichandran | 3b15cfb | 2016-02-13 21:57:51 -0500 | [diff] [blame] | 4232 | buf[5] = (CHK_SD(sd_card) == 1) ? 0x01 : 0x02; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4233 | if (chip->card_wp & SD_CARD) |
| 4234 | buf[5] |= 0x80; |
| 4235 | |
| 4236 | buf[6] = (u8)(sd_card->sd_addr >> 16); |
| 4237 | buf[7] = (u8)(sd_card->sd_addr >> 24); |
| 4238 | |
| 4239 | buf[15] = chip->max_lun; |
| 4240 | |
| 4241 | len = min_t(int, 18, scsi_bufflen(srb)); |
| 4242 | rtsx_stor_set_xfer_buf(buf, len, srb); |
| 4243 | |
| 4244 | return TRANSPORT_GOOD; |
| 4245 | } |
| 4246 | |
| 4247 | static inline int get_rsp_type(struct scsi_cmnd *srb, u8 *rsp_type, |
| 4248 | int *rsp_len) |
| 4249 | { |
| 4250 | if (!rsp_type || !rsp_len) |
| 4251 | return STATUS_FAIL; |
| 4252 | |
| 4253 | switch (srb->cmnd[10]) { |
| 4254 | case 0x03: |
| 4255 | *rsp_type = SD_RSP_TYPE_R0; |
| 4256 | *rsp_len = 0; |
| 4257 | break; |
| 4258 | |
| 4259 | case 0x04: |
| 4260 | *rsp_type = SD_RSP_TYPE_R1; |
| 4261 | *rsp_len = 6; |
| 4262 | break; |
| 4263 | |
| 4264 | case 0x05: |
| 4265 | *rsp_type = SD_RSP_TYPE_R1b; |
| 4266 | *rsp_len = 6; |
| 4267 | break; |
| 4268 | |
| 4269 | case 0x06: |
| 4270 | *rsp_type = SD_RSP_TYPE_R2; |
| 4271 | *rsp_len = 17; |
| 4272 | break; |
| 4273 | |
| 4274 | case 0x07: |
| 4275 | *rsp_type = SD_RSP_TYPE_R3; |
| 4276 | *rsp_len = 6; |
| 4277 | break; |
| 4278 | |
| 4279 | default: |
| 4280 | return STATUS_FAIL; |
| 4281 | } |
| 4282 | |
| 4283 | return STATUS_SUCCESS; |
| 4284 | } |
| 4285 | |
| 4286 | int sd_execute_no_data(struct scsi_cmnd *srb, struct rtsx_chip *chip) |
| 4287 | { |
| 4288 | struct sd_info *sd_card = &(chip->sd_card); |
| 4289 | unsigned int lun = SCSI_LUN(srb); |
| 4290 | int retval, rsp_len; |
| 4291 | u8 cmd_idx, rsp_type; |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 4292 | bool standby = false, acmd = false; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4293 | u32 arg; |
| 4294 | |
| 4295 | if (!sd_card->sd_pass_thru_en) { |
| 4296 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4297 | rtsx_trace(chip); |
| 4298 | return TRANSPORT_FAILED; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4299 | } |
| 4300 | |
| 4301 | retval = sd_switch_clock(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4302 | if (retval != STATUS_SUCCESS) { |
| 4303 | rtsx_trace(chip); |
| 4304 | return TRANSPORT_FAILED; |
| 4305 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4306 | |
| 4307 | if (sd_card->pre_cmd_err) { |
| 4308 | sd_card->pre_cmd_err = 0; |
| 4309 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4310 | rtsx_trace(chip); |
| 4311 | return TRANSPORT_FAILED; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4312 | } |
| 4313 | |
| 4314 | cmd_idx = srb->cmnd[2] & 0x3F; |
| 4315 | if (srb->cmnd[1] & 0x02) |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 4316 | standby = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4317 | |
| 4318 | if (srb->cmnd[1] & 0x01) |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 4319 | acmd = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4320 | |
| 4321 | arg = ((u32)srb->cmnd[3] << 24) | ((u32)srb->cmnd[4] << 16) | |
| 4322 | ((u32)srb->cmnd[5] << 8) | srb->cmnd[6]; |
| 4323 | |
| 4324 | retval = get_rsp_type(srb, &rsp_type, &rsp_len); |
| 4325 | if (retval != STATUS_SUCCESS) { |
| 4326 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4327 | rtsx_trace(chip); |
| 4328 | return TRANSPORT_FAILED; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4329 | } |
| 4330 | sd_card->last_rsp_type = rsp_type; |
| 4331 | |
| 4332 | retval = sd_switch_clock(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4333 | if (retval != STATUS_SUCCESS) { |
| 4334 | rtsx_trace(chip); |
| 4335 | return TRANSPORT_FAILED; |
| 4336 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4337 | |
| 4338 | #ifdef SUPPORT_SD_LOCK |
| 4339 | if ((sd_card->sd_lock_status & SD_LOCK_1BIT_MODE) == 0) { |
| 4340 | if (CHK_MMC_8BIT(sd_card)) { |
| 4341 | retval = rtsx_write_register(chip, REG_SD_CFG1, 0x03, |
| 4342 | SD_BUS_WIDTH_8); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4343 | if (retval != STATUS_SUCCESS) { |
| 4344 | rtsx_trace(chip); |
| 4345 | return TRANSPORT_FAILED; |
| 4346 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4347 | |
| 4348 | } else if (CHK_SD(sd_card) || CHK_MMC_4BIT(sd_card)) { |
| 4349 | retval = rtsx_write_register(chip, REG_SD_CFG1, 0x03, |
| 4350 | SD_BUS_WIDTH_4); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4351 | if (retval != STATUS_SUCCESS) { |
| 4352 | rtsx_trace(chip); |
| 4353 | return TRANSPORT_FAILED; |
| 4354 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4355 | } |
| 4356 | } |
| 4357 | #else |
| 4358 | retval = rtsx_write_register(chip, REG_SD_CFG1, 0x03, SD_BUS_WIDTH_4); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4359 | if (retval != STATUS_SUCCESS) { |
| 4360 | rtsx_trace(chip); |
| 4361 | return TRANSPORT_FAILED; |
| 4362 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4363 | #endif |
| 4364 | |
| 4365 | if (standby) { |
| 4366 | retval = sd_select_card(chip, 0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4367 | if (retval != STATUS_SUCCESS) { |
| 4368 | rtsx_trace(chip); |
| 4369 | goto SD_Execute_Cmd_Failed; |
| 4370 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4371 | } |
| 4372 | |
| 4373 | if (acmd) { |
| 4374 | retval = ext_sd_send_cmd_get_rsp(chip, APP_CMD, |
| 4375 | sd_card->sd_addr, |
Quentin Lambert | 1120176 | 2015-03-04 11:31:53 +0100 | [diff] [blame] | 4376 | SD_RSP_TYPE_R1, NULL, 0, false); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4377 | if (retval != STATUS_SUCCESS) { |
| 4378 | rtsx_trace(chip); |
| 4379 | goto SD_Execute_Cmd_Failed; |
| 4380 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4381 | } |
| 4382 | |
| 4383 | retval = ext_sd_send_cmd_get_rsp(chip, cmd_idx, arg, rsp_type, |
Quentin Lambert | 1120176 | 2015-03-04 11:31:53 +0100 | [diff] [blame] | 4384 | sd_card->rsp, rsp_len, false); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4385 | if (retval != STATUS_SUCCESS) { |
| 4386 | rtsx_trace(chip); |
| 4387 | goto SD_Execute_Cmd_Failed; |
| 4388 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4389 | |
| 4390 | if (standby) { |
| 4391 | retval = sd_select_card(chip, 1); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4392 | if (retval != STATUS_SUCCESS) { |
| 4393 | rtsx_trace(chip); |
| 4394 | goto SD_Execute_Cmd_Failed; |
| 4395 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4396 | } |
| 4397 | |
| 4398 | #ifdef SUPPORT_SD_LOCK |
| 4399 | retval = sd_update_lock_status(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4400 | if (retval != STATUS_SUCCESS) { |
| 4401 | rtsx_trace(chip); |
| 4402 | goto SD_Execute_Cmd_Failed; |
| 4403 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4404 | #endif |
| 4405 | |
| 4406 | scsi_set_resid(srb, 0); |
| 4407 | return TRANSPORT_GOOD; |
| 4408 | |
| 4409 | SD_Execute_Cmd_Failed: |
| 4410 | sd_card->pre_cmd_err = 1; |
| 4411 | set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE); |
| 4412 | release_sd_card(chip); |
| 4413 | do_reset_sd_card(chip); |
| 4414 | if (!(chip->card_ready & SD_CARD)) |
| 4415 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); |
| 4416 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4417 | rtsx_trace(chip); |
| 4418 | return TRANSPORT_FAILED; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4419 | } |
| 4420 | |
| 4421 | int sd_execute_read_data(struct scsi_cmnd *srb, struct rtsx_chip *chip) |
| 4422 | { |
| 4423 | struct sd_info *sd_card = &(chip->sd_card); |
| 4424 | unsigned int lun = SCSI_LUN(srb); |
| 4425 | int retval, rsp_len, i; |
Quentin Lambert | 1120176 | 2015-03-04 11:31:53 +0100 | [diff] [blame] | 4426 | bool read_err = false, cmd13_checkbit = false; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4427 | u8 cmd_idx, rsp_type, bus_width; |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 4428 | bool standby = false, send_cmd12 = false, acmd = false; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4429 | u32 data_len; |
| 4430 | |
| 4431 | if (!sd_card->sd_pass_thru_en) { |
| 4432 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4433 | rtsx_trace(chip); |
| 4434 | return TRANSPORT_FAILED; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4435 | } |
| 4436 | |
| 4437 | if (sd_card->pre_cmd_err) { |
| 4438 | sd_card->pre_cmd_err = 0; |
| 4439 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4440 | rtsx_trace(chip); |
| 4441 | return TRANSPORT_FAILED; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4442 | } |
| 4443 | |
| 4444 | retval = sd_switch_clock(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4445 | if (retval != STATUS_SUCCESS) { |
| 4446 | rtsx_trace(chip); |
| 4447 | return TRANSPORT_FAILED; |
| 4448 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4449 | |
| 4450 | cmd_idx = srb->cmnd[2] & 0x3F; |
| 4451 | if (srb->cmnd[1] & 0x04) |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 4452 | send_cmd12 = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4453 | |
| 4454 | if (srb->cmnd[1] & 0x02) |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 4455 | standby = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4456 | |
| 4457 | if (srb->cmnd[1] & 0x01) |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 4458 | acmd = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4459 | |
| 4460 | data_len = ((u32)srb->cmnd[7] << 16) | ((u32)srb->cmnd[8] |
| 4461 | << 8) | srb->cmnd[9]; |
| 4462 | |
| 4463 | retval = get_rsp_type(srb, &rsp_type, &rsp_len); |
| 4464 | if (retval != STATUS_SUCCESS) { |
| 4465 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4466 | rtsx_trace(chip); |
| 4467 | return TRANSPORT_FAILED; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4468 | } |
| 4469 | sd_card->last_rsp_type = rsp_type; |
| 4470 | |
| 4471 | retval = sd_switch_clock(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4472 | if (retval != STATUS_SUCCESS) { |
| 4473 | rtsx_trace(chip); |
| 4474 | return TRANSPORT_FAILED; |
| 4475 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4476 | |
| 4477 | #ifdef SUPPORT_SD_LOCK |
| 4478 | if ((sd_card->sd_lock_status & SD_LOCK_1BIT_MODE) == 0) { |
| 4479 | if (CHK_MMC_8BIT(sd_card)) |
| 4480 | bus_width = SD_BUS_WIDTH_8; |
| 4481 | else if (CHK_SD(sd_card) || CHK_MMC_4BIT(sd_card)) |
| 4482 | bus_width = SD_BUS_WIDTH_4; |
| 4483 | else |
| 4484 | bus_width = SD_BUS_WIDTH_1; |
| 4485 | } else { |
| 4486 | bus_width = SD_BUS_WIDTH_4; |
| 4487 | } |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 4488 | dev_dbg(rtsx_dev(chip), "bus_width = %d\n", bus_width); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4489 | #else |
| 4490 | bus_width = SD_BUS_WIDTH_4; |
| 4491 | #endif |
| 4492 | |
| 4493 | if (data_len < 512) { |
| 4494 | retval = ext_sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, data_len, |
Quentin Lambert | 1120176 | 2015-03-04 11:31:53 +0100 | [diff] [blame] | 4495 | SD_RSP_TYPE_R1, NULL, 0, false); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4496 | if (retval != STATUS_SUCCESS) { |
| 4497 | rtsx_trace(chip); |
| 4498 | goto SD_Execute_Read_Cmd_Failed; |
| 4499 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4500 | } |
| 4501 | |
| 4502 | if (standby) { |
| 4503 | retval = sd_select_card(chip, 0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4504 | if (retval != STATUS_SUCCESS) { |
| 4505 | rtsx_trace(chip); |
| 4506 | goto SD_Execute_Read_Cmd_Failed; |
| 4507 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4508 | } |
| 4509 | |
| 4510 | if (acmd) { |
| 4511 | retval = ext_sd_send_cmd_get_rsp(chip, APP_CMD, |
| 4512 | sd_card->sd_addr, |
Quentin Lambert | 1120176 | 2015-03-04 11:31:53 +0100 | [diff] [blame] | 4513 | SD_RSP_TYPE_R1, NULL, 0, false); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4514 | if (retval != STATUS_SUCCESS) { |
| 4515 | rtsx_trace(chip); |
| 4516 | goto SD_Execute_Read_Cmd_Failed; |
| 4517 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4518 | } |
| 4519 | |
| 4520 | if (data_len <= 512) { |
| 4521 | int min_len; |
| 4522 | u8 *buf; |
| 4523 | u16 byte_cnt, blk_cnt; |
| 4524 | u8 cmd[5]; |
| 4525 | |
| 4526 | byte_cnt = ((u16)(srb->cmnd[8] & 0x03) << 8) | srb->cmnd[9]; |
| 4527 | blk_cnt = 1; |
| 4528 | |
| 4529 | cmd[0] = 0x40 | cmd_idx; |
| 4530 | cmd[1] = srb->cmnd[3]; |
| 4531 | cmd[2] = srb->cmnd[4]; |
| 4532 | cmd[3] = srb->cmnd[5]; |
| 4533 | cmd[4] = srb->cmnd[6]; |
| 4534 | |
| 4535 | buf = kmalloc(data_len, GFP_KERNEL); |
Eva Rachel Retuya | 7586170 | 2016-02-27 20:39:24 +0800 | [diff] [blame] | 4536 | if (!buf) { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4537 | rtsx_trace(chip); |
| 4538 | return TRANSPORT_ERROR; |
| 4539 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4540 | |
| 4541 | retval = sd_read_data(chip, SD_TM_NORMAL_READ, cmd, 5, byte_cnt, |
| 4542 | blk_cnt, bus_width, buf, data_len, 2000); |
| 4543 | if (retval != STATUS_SUCCESS) { |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 4544 | read_err = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4545 | kfree(buf); |
| 4546 | rtsx_clear_sd_error(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4547 | rtsx_trace(chip); |
| 4548 | goto SD_Execute_Read_Cmd_Failed; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4549 | } |
| 4550 | |
| 4551 | min_len = min(data_len, scsi_bufflen(srb)); |
| 4552 | rtsx_stor_set_xfer_buf(buf, min_len, srb); |
| 4553 | |
| 4554 | kfree(buf); |
| 4555 | } else if (!(data_len & 0x1FF)) { |
| 4556 | rtsx_init_cmd(chip); |
| 4557 | |
| 4558 | trans_dma_enable(DMA_FROM_DEVICE, chip, data_len, DMA_512); |
| 4559 | |
| 4560 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_H, 0xFF, |
| 4561 | 0x02); |
| 4562 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L, 0xFF, |
| 4563 | 0x00); |
| 4564 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_H, |
| 4565 | 0xFF, (srb->cmnd[7] & 0xFE) >> 1); |
| 4566 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_L, |
| 4567 | 0xFF, (u8)((data_len & 0x0001FE00) >> 9)); |
| 4568 | |
| 4569 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD0, 0xFF, |
| 4570 | 0x40 | cmd_idx); |
| 4571 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD1, 0xFF, |
| 4572 | srb->cmnd[3]); |
| 4573 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD2, 0xFF, |
| 4574 | srb->cmnd[4]); |
| 4575 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD3, 0xFF, |
| 4576 | srb->cmnd[5]); |
| 4577 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD4, 0xFF, |
| 4578 | srb->cmnd[6]); |
| 4579 | |
| 4580 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG1, 0x03, bus_width); |
| 4581 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF, rsp_type); |
| 4582 | |
| 4583 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, |
| 4584 | 0xFF, SD_TM_AUTO_READ_2 | SD_TRANSFER_START); |
| 4585 | rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER, |
| 4586 | SD_TRANSFER_END, SD_TRANSFER_END); |
| 4587 | |
| 4588 | rtsx_send_cmd_no_wait(chip); |
| 4589 | |
| 4590 | retval = rtsx_transfer_data(chip, SD_CARD, scsi_sglist(srb), |
| 4591 | scsi_bufflen(srb), scsi_sg_count(srb), |
| 4592 | DMA_FROM_DEVICE, 10000); |
| 4593 | if (retval < 0) { |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 4594 | read_err = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4595 | rtsx_clear_sd_error(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4596 | rtsx_trace(chip); |
| 4597 | goto SD_Execute_Read_Cmd_Failed; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4598 | } |
| 4599 | |
| 4600 | } else { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4601 | rtsx_trace(chip); |
| 4602 | goto SD_Execute_Read_Cmd_Failed; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4603 | } |
| 4604 | |
| 4605 | retval = ext_sd_get_rsp(chip, rsp_len, sd_card->rsp, rsp_type); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4606 | if (retval != STATUS_SUCCESS) { |
| 4607 | rtsx_trace(chip); |
| 4608 | goto SD_Execute_Read_Cmd_Failed; |
| 4609 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4610 | |
| 4611 | if (standby) { |
| 4612 | retval = sd_select_card(chip, 1); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4613 | if (retval != STATUS_SUCCESS) { |
| 4614 | rtsx_trace(chip); |
| 4615 | goto SD_Execute_Read_Cmd_Failed; |
| 4616 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4617 | } |
| 4618 | |
| 4619 | if (send_cmd12) { |
| 4620 | retval = ext_sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION, |
Quentin Lambert | 1120176 | 2015-03-04 11:31:53 +0100 | [diff] [blame] | 4621 | 0, SD_RSP_TYPE_R1b, NULL, 0, false); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4622 | if (retval != STATUS_SUCCESS) { |
| 4623 | rtsx_trace(chip); |
| 4624 | goto SD_Execute_Read_Cmd_Failed; |
| 4625 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4626 | } |
| 4627 | |
| 4628 | if (data_len < 512) { |
| 4629 | retval = ext_sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, 0x200, |
Quentin Lambert | 1120176 | 2015-03-04 11:31:53 +0100 | [diff] [blame] | 4630 | SD_RSP_TYPE_R1, NULL, 0, false); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4631 | if (retval != STATUS_SUCCESS) { |
| 4632 | rtsx_trace(chip); |
| 4633 | goto SD_Execute_Read_Cmd_Failed; |
| 4634 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4635 | |
| 4636 | retval = rtsx_write_register(chip, SD_BYTE_CNT_H, 0xFF, 0x02); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4637 | if (retval != STATUS_SUCCESS) { |
| 4638 | rtsx_trace(chip); |
| 4639 | goto SD_Execute_Read_Cmd_Failed; |
| 4640 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4641 | |
| 4642 | retval = rtsx_write_register(chip, SD_BYTE_CNT_L, 0xFF, 0x00); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4643 | if (retval != STATUS_SUCCESS) { |
| 4644 | rtsx_trace(chip); |
| 4645 | goto SD_Execute_Read_Cmd_Failed; |
| 4646 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4647 | } |
| 4648 | |
| 4649 | if ((srb->cmnd[1] & 0x02) || (srb->cmnd[1] & 0x04)) |
Quentin Lambert | 1120176 | 2015-03-04 11:31:53 +0100 | [diff] [blame] | 4650 | cmd13_checkbit = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4651 | |
| 4652 | for (i = 0; i < 3; i++) { |
| 4653 | retval = ext_sd_send_cmd_get_rsp(chip, SEND_STATUS, |
| 4654 | sd_card->sd_addr, |
| 4655 | SD_RSP_TYPE_R1, NULL, 0, |
| 4656 | cmd13_checkbit); |
| 4657 | if (retval == STATUS_SUCCESS) |
| 4658 | break; |
| 4659 | } |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4660 | if (retval != STATUS_SUCCESS) { |
| 4661 | rtsx_trace(chip); |
| 4662 | goto SD_Execute_Read_Cmd_Failed; |
| 4663 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4664 | |
| 4665 | scsi_set_resid(srb, 0); |
| 4666 | return TRANSPORT_GOOD; |
| 4667 | |
| 4668 | SD_Execute_Read_Cmd_Failed: |
| 4669 | sd_card->pre_cmd_err = 1; |
| 4670 | set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE); |
| 4671 | if (read_err) |
| 4672 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR); |
| 4673 | |
| 4674 | release_sd_card(chip); |
| 4675 | do_reset_sd_card(chip); |
| 4676 | if (!(chip->card_ready & SD_CARD)) |
| 4677 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); |
| 4678 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4679 | rtsx_trace(chip); |
| 4680 | return TRANSPORT_FAILED; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4681 | } |
| 4682 | |
| 4683 | int sd_execute_write_data(struct scsi_cmnd *srb, struct rtsx_chip *chip) |
| 4684 | { |
| 4685 | struct sd_info *sd_card = &(chip->sd_card); |
| 4686 | unsigned int lun = SCSI_LUN(srb); |
| 4687 | int retval, rsp_len, i; |
Quentin Lambert | 1120176 | 2015-03-04 11:31:53 +0100 | [diff] [blame] | 4688 | bool write_err = false, cmd13_checkbit = false; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4689 | u8 cmd_idx, rsp_type; |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 4690 | bool standby = false, send_cmd12 = false, acmd = false; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4691 | u32 data_len, arg; |
| 4692 | #ifdef SUPPORT_SD_LOCK |
| 4693 | int lock_cmd_fail = 0; |
| 4694 | u8 sd_lock_state = 0; |
| 4695 | u8 lock_cmd_type = 0; |
| 4696 | #endif |
| 4697 | |
| 4698 | if (!sd_card->sd_pass_thru_en) { |
| 4699 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4700 | rtsx_trace(chip); |
| 4701 | return TRANSPORT_FAILED; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4702 | } |
| 4703 | |
| 4704 | if (sd_card->pre_cmd_err) { |
| 4705 | sd_card->pre_cmd_err = 0; |
| 4706 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4707 | rtsx_trace(chip); |
| 4708 | return TRANSPORT_FAILED; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4709 | } |
| 4710 | |
| 4711 | retval = sd_switch_clock(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4712 | if (retval != STATUS_SUCCESS) { |
| 4713 | rtsx_trace(chip); |
| 4714 | return TRANSPORT_FAILED; |
| 4715 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4716 | |
| 4717 | cmd_idx = srb->cmnd[2] & 0x3F; |
| 4718 | if (srb->cmnd[1] & 0x04) |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 4719 | send_cmd12 = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4720 | |
| 4721 | if (srb->cmnd[1] & 0x02) |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 4722 | standby = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4723 | |
| 4724 | if (srb->cmnd[1] & 0x01) |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 4725 | acmd = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4726 | |
| 4727 | data_len = ((u32)srb->cmnd[7] << 16) | ((u32)srb->cmnd[8] |
| 4728 | << 8) | srb->cmnd[9]; |
| 4729 | arg = ((u32)srb->cmnd[3] << 24) | ((u32)srb->cmnd[4] << 16) | |
| 4730 | ((u32)srb->cmnd[5] << 8) | srb->cmnd[6]; |
| 4731 | |
| 4732 | #ifdef SUPPORT_SD_LOCK |
| 4733 | if (cmd_idx == LOCK_UNLOCK) { |
| 4734 | sd_lock_state = sd_card->sd_lock_status; |
| 4735 | sd_lock_state &= SD_LOCKED; |
| 4736 | } |
| 4737 | #endif |
| 4738 | |
| 4739 | retval = get_rsp_type(srb, &rsp_type, &rsp_len); |
| 4740 | if (retval != STATUS_SUCCESS) { |
| 4741 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4742 | rtsx_trace(chip); |
| 4743 | return TRANSPORT_FAILED; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4744 | } |
| 4745 | sd_card->last_rsp_type = rsp_type; |
| 4746 | |
| 4747 | retval = sd_switch_clock(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4748 | if (retval != STATUS_SUCCESS) { |
| 4749 | rtsx_trace(chip); |
| 4750 | return TRANSPORT_FAILED; |
| 4751 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4752 | |
| 4753 | #ifdef SUPPORT_SD_LOCK |
| 4754 | if ((sd_card->sd_lock_status & SD_LOCK_1BIT_MODE) == 0) { |
| 4755 | if (CHK_MMC_8BIT(sd_card)) { |
| 4756 | retval = rtsx_write_register(chip, REG_SD_CFG1, 0x03, |
| 4757 | SD_BUS_WIDTH_8); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4758 | if (retval != STATUS_SUCCESS) { |
| 4759 | rtsx_trace(chip); |
| 4760 | return TRANSPORT_FAILED; |
| 4761 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4762 | |
| 4763 | } else if (CHK_SD(sd_card) || CHK_MMC_4BIT(sd_card)) { |
| 4764 | retval = rtsx_write_register(chip, REG_SD_CFG1, 0x03, |
| 4765 | SD_BUS_WIDTH_4); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4766 | if (retval != STATUS_SUCCESS) { |
| 4767 | rtsx_trace(chip); |
| 4768 | return TRANSPORT_FAILED; |
| 4769 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4770 | } |
| 4771 | } |
| 4772 | #else |
| 4773 | retval = rtsx_write_register(chip, REG_SD_CFG1, 0x03, SD_BUS_WIDTH_4); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4774 | if (retval != STATUS_SUCCESS) { |
| 4775 | rtsx_trace(chip); |
| 4776 | return TRANSPORT_FAILED; |
| 4777 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4778 | #endif |
| 4779 | |
| 4780 | if (data_len < 512) { |
| 4781 | retval = ext_sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, data_len, |
Quentin Lambert | 1120176 | 2015-03-04 11:31:53 +0100 | [diff] [blame] | 4782 | SD_RSP_TYPE_R1, NULL, 0, false); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4783 | if (retval != STATUS_SUCCESS) { |
| 4784 | rtsx_trace(chip); |
| 4785 | goto SD_Execute_Write_Cmd_Failed; |
| 4786 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4787 | } |
| 4788 | |
| 4789 | if (standby) { |
| 4790 | retval = sd_select_card(chip, 0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4791 | if (retval != STATUS_SUCCESS) { |
| 4792 | rtsx_trace(chip); |
| 4793 | goto SD_Execute_Write_Cmd_Failed; |
| 4794 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4795 | } |
| 4796 | |
| 4797 | if (acmd) { |
| 4798 | retval = ext_sd_send_cmd_get_rsp(chip, APP_CMD, |
| 4799 | sd_card->sd_addr, |
Quentin Lambert | 1120176 | 2015-03-04 11:31:53 +0100 | [diff] [blame] | 4800 | SD_RSP_TYPE_R1, NULL, 0, false); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4801 | if (retval != STATUS_SUCCESS) { |
| 4802 | rtsx_trace(chip); |
| 4803 | goto SD_Execute_Write_Cmd_Failed; |
| 4804 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4805 | } |
| 4806 | |
| 4807 | retval = ext_sd_send_cmd_get_rsp(chip, cmd_idx, arg, rsp_type, |
Quentin Lambert | 1120176 | 2015-03-04 11:31:53 +0100 | [diff] [blame] | 4808 | sd_card->rsp, rsp_len, false); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4809 | if (retval != STATUS_SUCCESS) { |
| 4810 | rtsx_trace(chip); |
| 4811 | goto SD_Execute_Write_Cmd_Failed; |
| 4812 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4813 | |
| 4814 | if (data_len <= 512) { |
| 4815 | u16 i; |
| 4816 | u8 *buf; |
| 4817 | |
| 4818 | buf = kmalloc(data_len, GFP_KERNEL); |
Eva Rachel Retuya | 7586170 | 2016-02-27 20:39:24 +0800 | [diff] [blame] | 4819 | if (!buf) { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4820 | rtsx_trace(chip); |
| 4821 | return TRANSPORT_ERROR; |
| 4822 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4823 | |
| 4824 | rtsx_stor_get_xfer_buf(buf, data_len, srb); |
| 4825 | |
| 4826 | #ifdef SUPPORT_SD_LOCK |
| 4827 | if (cmd_idx == LOCK_UNLOCK) |
| 4828 | lock_cmd_type = buf[0] & 0x0F; |
| 4829 | #endif |
| 4830 | |
| 4831 | if (data_len > 256) { |
| 4832 | rtsx_init_cmd(chip); |
| 4833 | for (i = 0; i < 256; i++) { |
| 4834 | rtsx_add_cmd(chip, WRITE_REG_CMD, |
| 4835 | PPBUF_BASE2 + i, 0xFF, buf[i]); |
| 4836 | } |
| 4837 | retval = rtsx_send_cmd(chip, 0, 250); |
| 4838 | if (retval != STATUS_SUCCESS) { |
| 4839 | kfree(buf); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4840 | rtsx_trace(chip); |
| 4841 | goto SD_Execute_Write_Cmd_Failed; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4842 | } |
| 4843 | |
| 4844 | rtsx_init_cmd(chip); |
| 4845 | for (i = 256; i < data_len; i++) { |
| 4846 | rtsx_add_cmd(chip, WRITE_REG_CMD, |
| 4847 | PPBUF_BASE2 + i, 0xFF, buf[i]); |
| 4848 | } |
| 4849 | retval = rtsx_send_cmd(chip, 0, 250); |
| 4850 | if (retval != STATUS_SUCCESS) { |
| 4851 | kfree(buf); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4852 | rtsx_trace(chip); |
| 4853 | goto SD_Execute_Write_Cmd_Failed; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4854 | } |
| 4855 | } else { |
| 4856 | rtsx_init_cmd(chip); |
| 4857 | for (i = 0; i < data_len; i++) { |
| 4858 | rtsx_add_cmd(chip, WRITE_REG_CMD, |
| 4859 | PPBUF_BASE2 + i, 0xFF, buf[i]); |
| 4860 | } |
| 4861 | retval = rtsx_send_cmd(chip, 0, 250); |
| 4862 | if (retval != STATUS_SUCCESS) { |
| 4863 | kfree(buf); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4864 | rtsx_trace(chip); |
| 4865 | goto SD_Execute_Write_Cmd_Failed; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4866 | } |
| 4867 | } |
| 4868 | |
| 4869 | kfree(buf); |
| 4870 | |
| 4871 | rtsx_init_cmd(chip); |
| 4872 | |
| 4873 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_H, 0xFF, |
| 4874 | srb->cmnd[8] & 0x03); |
| 4875 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L, 0xFF, |
| 4876 | srb->cmnd[9]); |
| 4877 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_H, 0xFF, |
| 4878 | 0x00); |
| 4879 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_L, 0xFF, |
| 4880 | 0x01); |
| 4881 | rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, |
| 4882 | PINGPONG_BUFFER); |
| 4883 | |
| 4884 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF, |
| 4885 | SD_TM_AUTO_WRITE_3 | SD_TRANSFER_START); |
| 4886 | rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER, |
| 4887 | SD_TRANSFER_END, SD_TRANSFER_END); |
| 4888 | |
| 4889 | retval = rtsx_send_cmd(chip, SD_CARD, 250); |
| 4890 | } else if (!(data_len & 0x1FF)) { |
| 4891 | rtsx_init_cmd(chip); |
| 4892 | |
| 4893 | trans_dma_enable(DMA_TO_DEVICE, chip, data_len, DMA_512); |
| 4894 | |
| 4895 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_H, 0xFF, |
| 4896 | 0x02); |
| 4897 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L, 0xFF, |
| 4898 | 0x00); |
| 4899 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_H, |
| 4900 | 0xFF, (srb->cmnd[7] & 0xFE) >> 1); |
| 4901 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_L, |
| 4902 | 0xFF, (u8)((data_len & 0x0001FE00) >> 9)); |
| 4903 | |
| 4904 | rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF, |
| 4905 | SD_TM_AUTO_WRITE_3 | SD_TRANSFER_START); |
| 4906 | rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER, |
| 4907 | SD_TRANSFER_END, SD_TRANSFER_END); |
| 4908 | |
| 4909 | rtsx_send_cmd_no_wait(chip); |
| 4910 | |
| 4911 | retval = rtsx_transfer_data(chip, SD_CARD, scsi_sglist(srb), |
| 4912 | scsi_bufflen(srb), scsi_sg_count(srb), |
| 4913 | DMA_TO_DEVICE, 10000); |
| 4914 | |
| 4915 | } else { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4916 | rtsx_trace(chip); |
| 4917 | goto SD_Execute_Write_Cmd_Failed; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4918 | } |
| 4919 | |
| 4920 | if (retval < 0) { |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 4921 | write_err = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4922 | rtsx_clear_sd_error(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4923 | rtsx_trace(chip); |
| 4924 | goto SD_Execute_Write_Cmd_Failed; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4925 | } |
| 4926 | |
| 4927 | #ifdef SUPPORT_SD_LOCK |
| 4928 | if (cmd_idx == LOCK_UNLOCK) { |
| 4929 | if (lock_cmd_type == SD_ERASE) { |
| 4930 | sd_card->sd_erase_status = SD_UNDER_ERASING; |
| 4931 | scsi_set_resid(srb, 0); |
| 4932 | return TRANSPORT_GOOD; |
| 4933 | } |
| 4934 | |
| 4935 | rtsx_init_cmd(chip); |
| 4936 | rtsx_add_cmd(chip, CHECK_REG_CMD, 0xFD30, 0x02, 0x02); |
| 4937 | |
| 4938 | rtsx_send_cmd(chip, SD_CARD, 250); |
| 4939 | |
| 4940 | retval = sd_update_lock_status(chip); |
| 4941 | if (retval != STATUS_SUCCESS) { |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 4942 | dev_dbg(rtsx_dev(chip), "Lock command fail!\n"); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4943 | lock_cmd_fail = 1; |
| 4944 | } |
| 4945 | } |
| 4946 | #endif /* SUPPORT_SD_LOCK */ |
| 4947 | |
| 4948 | if (standby) { |
| 4949 | retval = sd_select_card(chip, 1); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4950 | if (retval != STATUS_SUCCESS) { |
| 4951 | rtsx_trace(chip); |
| 4952 | goto SD_Execute_Write_Cmd_Failed; |
| 4953 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4954 | } |
| 4955 | |
| 4956 | if (send_cmd12) { |
| 4957 | retval = ext_sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION, |
Quentin Lambert | 1120176 | 2015-03-04 11:31:53 +0100 | [diff] [blame] | 4958 | 0, SD_RSP_TYPE_R1b, NULL, 0, false); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4959 | if (retval != STATUS_SUCCESS) { |
| 4960 | rtsx_trace(chip); |
| 4961 | goto SD_Execute_Write_Cmd_Failed; |
| 4962 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4963 | } |
| 4964 | |
| 4965 | if (data_len < 512) { |
| 4966 | retval = ext_sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, 0x200, |
Quentin Lambert | 1120176 | 2015-03-04 11:31:53 +0100 | [diff] [blame] | 4967 | SD_RSP_TYPE_R1, NULL, 0, false); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4968 | if (retval != STATUS_SUCCESS) { |
| 4969 | rtsx_trace(chip); |
| 4970 | goto SD_Execute_Write_Cmd_Failed; |
| 4971 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4972 | |
| 4973 | retval = rtsx_write_register(chip, SD_BYTE_CNT_H, 0xFF, 0x02); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4974 | if (retval != STATUS_SUCCESS) { |
| 4975 | rtsx_trace(chip); |
| 4976 | goto SD_Execute_Write_Cmd_Failed; |
| 4977 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4978 | |
| 4979 | rtsx_write_register(chip, SD_BYTE_CNT_L, 0xFF, 0x00); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4980 | if (retval != STATUS_SUCCESS) { |
| 4981 | rtsx_trace(chip); |
| 4982 | goto SD_Execute_Write_Cmd_Failed; |
| 4983 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4984 | } |
| 4985 | |
| 4986 | if ((srb->cmnd[1] & 0x02) || (srb->cmnd[1] & 0x04)) |
Quentin Lambert | 1120176 | 2015-03-04 11:31:53 +0100 | [diff] [blame] | 4987 | cmd13_checkbit = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 4988 | |
| 4989 | for (i = 0; i < 3; i++) { |
| 4990 | retval = ext_sd_send_cmd_get_rsp(chip, SEND_STATUS, |
| 4991 | sd_card->sd_addr, |
| 4992 | SD_RSP_TYPE_R1, NULL, 0, |
| 4993 | cmd13_checkbit); |
| 4994 | if (retval == STATUS_SUCCESS) |
| 4995 | break; |
| 4996 | } |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 4997 | if (retval != STATUS_SUCCESS) { |
| 4998 | rtsx_trace(chip); |
| 4999 | goto SD_Execute_Write_Cmd_Failed; |
| 5000 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 5001 | |
| 5002 | #ifdef SUPPORT_SD_LOCK |
| 5003 | if (cmd_idx == LOCK_UNLOCK) { |
| 5004 | if (!lock_cmd_fail) { |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 5005 | dev_dbg(rtsx_dev(chip), "lock_cmd_type = 0x%x\n", |
| 5006 | lock_cmd_type); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 5007 | if (lock_cmd_type & SD_CLR_PWD) |
| 5008 | sd_card->sd_lock_status &= ~SD_PWD_EXIST; |
| 5009 | |
| 5010 | if (lock_cmd_type & SD_SET_PWD) |
| 5011 | sd_card->sd_lock_status |= SD_PWD_EXIST; |
| 5012 | } |
| 5013 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 5014 | dev_dbg(rtsx_dev(chip), "sd_lock_state = 0x%x, sd_card->sd_lock_status = 0x%x\n", |
| 5015 | sd_lock_state, sd_card->sd_lock_status); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 5016 | if (sd_lock_state ^ (sd_card->sd_lock_status & SD_LOCKED)) { |
| 5017 | sd_card->sd_lock_notify = 1; |
| 5018 | if (sd_lock_state) { |
| 5019 | if (sd_card->sd_lock_status & SD_LOCK_1BIT_MODE) { |
| 5020 | sd_card->sd_lock_status |= ( |
| 5021 | SD_UNLOCK_POW_ON | SD_SDR_RST); |
| 5022 | if (CHK_SD(sd_card)) { |
| 5023 | retval = reset_sd(chip); |
| 5024 | if (retval != STATUS_SUCCESS) { |
| 5025 | sd_card->sd_lock_status &= ~(SD_UNLOCK_POW_ON | SD_SDR_RST); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 5026 | rtsx_trace(chip); |
| 5027 | goto SD_Execute_Write_Cmd_Failed; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 5028 | } |
| 5029 | } |
| 5030 | |
| 5031 | sd_card->sd_lock_status &= ~(SD_UNLOCK_POW_ON | SD_SDR_RST); |
| 5032 | } |
| 5033 | } |
| 5034 | } |
| 5035 | } |
| 5036 | |
| 5037 | if (lock_cmd_fail) { |
| 5038 | scsi_set_resid(srb, 0); |
| 5039 | set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 5040 | rtsx_trace(chip); |
| 5041 | return TRANSPORT_FAILED; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 5042 | } |
| 5043 | #endif /* SUPPORT_SD_LOCK */ |
| 5044 | |
| 5045 | scsi_set_resid(srb, 0); |
| 5046 | return TRANSPORT_GOOD; |
| 5047 | |
| 5048 | SD_Execute_Write_Cmd_Failed: |
| 5049 | sd_card->pre_cmd_err = 1; |
| 5050 | set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE); |
| 5051 | if (write_err) |
| 5052 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR); |
| 5053 | |
| 5054 | release_sd_card(chip); |
| 5055 | do_reset_sd_card(chip); |
| 5056 | if (!(chip->card_ready & SD_CARD)) |
| 5057 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); |
| 5058 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 5059 | rtsx_trace(chip); |
| 5060 | return TRANSPORT_FAILED; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 5061 | } |
| 5062 | |
| 5063 | int sd_get_cmd_rsp(struct scsi_cmnd *srb, struct rtsx_chip *chip) |
| 5064 | { |
| 5065 | struct sd_info *sd_card = &(chip->sd_card); |
| 5066 | unsigned int lun = SCSI_LUN(srb); |
| 5067 | int count; |
| 5068 | u16 data_len; |
| 5069 | |
| 5070 | if (!sd_card->sd_pass_thru_en) { |
| 5071 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 5072 | rtsx_trace(chip); |
| 5073 | return TRANSPORT_FAILED; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 5074 | } |
| 5075 | |
| 5076 | if (sd_card->pre_cmd_err) { |
| 5077 | sd_card->pre_cmd_err = 0; |
| 5078 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 5079 | rtsx_trace(chip); |
| 5080 | return TRANSPORT_FAILED; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 5081 | } |
| 5082 | |
| 5083 | data_len = ((u16)srb->cmnd[7] << 8) | srb->cmnd[8]; |
| 5084 | |
| 5085 | if (sd_card->last_rsp_type == SD_RSP_TYPE_R0) { |
| 5086 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 5087 | rtsx_trace(chip); |
| 5088 | return TRANSPORT_FAILED; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 5089 | } else if (sd_card->last_rsp_type == SD_RSP_TYPE_R2) { |
| 5090 | count = (data_len < 17) ? data_len : 17; |
| 5091 | } else { |
| 5092 | count = (data_len < 6) ? data_len : 6; |
| 5093 | } |
| 5094 | rtsx_stor_set_xfer_buf(sd_card->rsp, count, srb); |
| 5095 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 5096 | dev_dbg(rtsx_dev(chip), "Response length: %d\n", data_len); |
| 5097 | dev_dbg(rtsx_dev(chip), "Response: 0x%x 0x%x 0x%x 0x%x\n", |
| 5098 | sd_card->rsp[0], sd_card->rsp[1], |
| 5099 | sd_card->rsp[2], sd_card->rsp[3]); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 5100 | |
| 5101 | scsi_set_resid(srb, 0); |
| 5102 | return TRANSPORT_GOOD; |
| 5103 | } |
| 5104 | |
| 5105 | int sd_hw_rst(struct scsi_cmnd *srb, struct rtsx_chip *chip) |
| 5106 | { |
| 5107 | struct sd_info *sd_card = &(chip->sd_card); |
| 5108 | unsigned int lun = SCSI_LUN(srb); |
| 5109 | int retval; |
| 5110 | |
| 5111 | if (!sd_card->sd_pass_thru_en) { |
| 5112 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 5113 | rtsx_trace(chip); |
| 5114 | return TRANSPORT_FAILED; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 5115 | } |
| 5116 | |
| 5117 | if (sd_card->pre_cmd_err) { |
| 5118 | sd_card->pre_cmd_err = 0; |
| 5119 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 5120 | rtsx_trace(chip); |
| 5121 | return TRANSPORT_FAILED; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 5122 | } |
| 5123 | |
Janani Ravichandran | 3b15cfb | 2016-02-13 21:57:51 -0500 | [diff] [blame] | 5124 | if ((srb->cmnd[2] != 0x53) || (srb->cmnd[3] != 0x44) || |
| 5125 | (srb->cmnd[4] != 0x20) || (srb->cmnd[5] != 0x43) || |
| 5126 | (srb->cmnd[6] != 0x61) || (srb->cmnd[7] != 0x72) || |
| 5127 | (srb->cmnd[8] != 0x64)) { |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 5128 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 5129 | rtsx_trace(chip); |
| 5130 | return TRANSPORT_FAILED; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 5131 | } |
| 5132 | |
| 5133 | switch (srb->cmnd[1] & 0x0F) { |
| 5134 | case 0: |
| 5135 | #ifdef SUPPORT_SD_LOCK |
Janani Ravichandran | 3b15cfb | 2016-02-13 21:57:51 -0500 | [diff] [blame] | 5136 | if (srb->cmnd[9] == 0x64) |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 5137 | sd_card->sd_lock_status |= SD_SDR_RST; |
| 5138 | #endif |
| 5139 | retval = reset_sd_card(chip); |
| 5140 | if (retval != STATUS_SUCCESS) { |
| 5141 | #ifdef SUPPORT_SD_LOCK |
| 5142 | sd_card->sd_lock_status &= ~SD_SDR_RST; |
| 5143 | #endif |
| 5144 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); |
| 5145 | sd_card->pre_cmd_err = 1; |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 5146 | rtsx_trace(chip); |
| 5147 | return TRANSPORT_FAILED; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 5148 | } |
| 5149 | #ifdef SUPPORT_SD_LOCK |
| 5150 | sd_card->sd_lock_status &= ~SD_SDR_RST; |
| 5151 | #endif |
| 5152 | break; |
| 5153 | |
| 5154 | case 1: |
| 5155 | retval = soft_reset_sd_card(chip); |
| 5156 | if (retval != STATUS_SUCCESS) { |
| 5157 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT); |
| 5158 | sd_card->pre_cmd_err = 1; |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 5159 | rtsx_trace(chip); |
| 5160 | return TRANSPORT_FAILED; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 5161 | } |
| 5162 | break; |
| 5163 | |
| 5164 | default: |
| 5165 | set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 5166 | rtsx_trace(chip); |
| 5167 | return TRANSPORT_FAILED; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 5168 | } |
| 5169 | |
| 5170 | scsi_set_resid(srb, 0); |
| 5171 | return TRANSPORT_GOOD; |
| 5172 | } |
| 5173 | #endif |
| 5174 | |
| 5175 | void sd_cleanup_work(struct rtsx_chip *chip) |
| 5176 | { |
| 5177 | struct sd_info *sd_card = &(chip->sd_card); |
| 5178 | |
| 5179 | if (sd_card->seq_mode) { |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 5180 | dev_dbg(rtsx_dev(chip), "SD: stop transmission\n"); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 5181 | sd_stop_seq_mode(chip); |
| 5182 | sd_card->cleanup_counter = 0; |
| 5183 | } |
| 5184 | } |
| 5185 | |
| 5186 | int sd_power_off_card3v3(struct rtsx_chip *chip) |
| 5187 | { |
| 5188 | int retval; |
| 5189 | |
| 5190 | retval = disable_card_clock(chip, SD_CARD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 5191 | if (retval != STATUS_SUCCESS) { |
| 5192 | rtsx_trace(chip); |
| 5193 | return STATUS_FAIL; |
| 5194 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 5195 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 5196 | retval = rtsx_write_register(chip, CARD_OE, SD_OUTPUT_EN, 0); |
| 5197 | if (retval) { |
| 5198 | rtsx_trace(chip); |
| 5199 | return retval; |
| 5200 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 5201 | |
| 5202 | if (!chip->ft2_fast_mode) { |
| 5203 | retval = card_power_off(chip, SD_CARD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 5204 | if (retval != STATUS_SUCCESS) { |
| 5205 | rtsx_trace(chip); |
| 5206 | return STATUS_FAIL; |
| 5207 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 5208 | |
| 5209 | wait_timeout(50); |
| 5210 | } |
| 5211 | |
| 5212 | if (chip->asic_code) { |
| 5213 | retval = sd_pull_ctl_disable(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 5214 | if (retval != STATUS_SUCCESS) { |
| 5215 | rtsx_trace(chip); |
| 5216 | return STATUS_FAIL; |
| 5217 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 5218 | } else { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 5219 | retval = rtsx_write_register(chip, FPGA_PULL_CTL, |
| 5220 | FPGA_SD_PULL_CTL_BIT | 0x20, |
| 5221 | FPGA_SD_PULL_CTL_BIT); |
| 5222 | if (retval) { |
| 5223 | rtsx_trace(chip); |
| 5224 | return retval; |
| 5225 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 5226 | } |
| 5227 | |
| 5228 | return STATUS_SUCCESS; |
| 5229 | } |
| 5230 | |
| 5231 | int release_sd_card(struct rtsx_chip *chip) |
| 5232 | { |
| 5233 | struct sd_info *sd_card = &(chip->sd_card); |
| 5234 | int retval; |
| 5235 | |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 5236 | chip->card_ready &= ~SD_CARD; |
| 5237 | chip->card_fail &= ~SD_CARD; |
| 5238 | chip->card_wp &= ~SD_CARD; |
| 5239 | |
| 5240 | chip->sd_io = 0; |
| 5241 | chip->sd_int = 0; |
| 5242 | |
| 5243 | #ifdef SUPPORT_SD_LOCK |
| 5244 | sd_card->sd_lock_status = 0; |
| 5245 | sd_card->sd_erase_status = 0; |
| 5246 | #endif |
| 5247 | |
| 5248 | memset(sd_card->raw_csd, 0, 16); |
| 5249 | memset(sd_card->raw_scr, 0, 8); |
| 5250 | |
| 5251 | retval = sd_power_off_card3v3(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 5252 | if (retval != STATUS_SUCCESS) { |
| 5253 | rtsx_trace(chip); |
| 5254 | return STATUS_FAIL; |
| 5255 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 5256 | |
| 5257 | return STATUS_SUCCESS; |
| 5258 | } |