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![Wayne Porter](/assets/img/avatar_default.png)
Add/remove spaces to make things more readable Signed-off-by: Wayne Porter <wporter82@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5283 lines
121 KiB
C
5283 lines
121 KiB
C
/* Driver for Realtek PCI-Express card reader
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*
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* Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, see <http://www.gnu.org/licenses/>.
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*
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* Author:
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* Wei WANG (wei_wang@realsil.com.cn)
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* Micky Ching (micky_ching@realsil.com.cn)
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*/
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#include <linux/blkdev.h>
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#include <linux/kthread.h>
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#include <linux/sched.h>
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#include "rtsx.h"
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#include "sd.h"
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#define SD_MAX_RETRY_COUNT 3
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static u16 REG_SD_CFG1;
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static u16 REG_SD_CFG2;
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static u16 REG_SD_CFG3;
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static u16 REG_SD_STAT1;
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static u16 REG_SD_STAT2;
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static u16 REG_SD_BUS_STAT;
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static u16 REG_SD_PAD_CTL;
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static u16 REG_SD_SAMPLE_POINT_CTL;
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static u16 REG_SD_PUSH_POINT_CTL;
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static u16 REG_SD_CMD0;
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static u16 REG_SD_CMD1;
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static u16 REG_SD_CMD2;
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static u16 REG_SD_CMD3;
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static u16 REG_SD_CMD4;
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static u16 REG_SD_CMD5;
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static u16 REG_SD_BYTE_CNT_L;
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static u16 REG_SD_BYTE_CNT_H;
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static u16 REG_SD_BLOCK_CNT_L;
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static u16 REG_SD_BLOCK_CNT_H;
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static u16 REG_SD_TRANSFER;
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static u16 REG_SD_VPCLK0_CTL;
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static u16 REG_SD_VPCLK1_CTL;
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static u16 REG_SD_DCMPS0_CTL;
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static u16 REG_SD_DCMPS1_CTL;
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static inline void sd_set_err_code(struct rtsx_chip *chip, u8 err_code)
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{
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struct sd_info *sd_card = &chip->sd_card;
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sd_card->err_code |= err_code;
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}
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static inline void sd_clr_err_code(struct rtsx_chip *chip)
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{
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struct sd_info *sd_card = &chip->sd_card;
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sd_card->err_code = 0;
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}
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static inline int sd_check_err_code(struct rtsx_chip *chip, u8 err_code)
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{
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struct sd_info *sd_card = &chip->sd_card;
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return sd_card->err_code & err_code;
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}
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static void sd_init_reg_addr(struct rtsx_chip *chip)
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{
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REG_SD_CFG1 = 0xFD31;
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REG_SD_CFG2 = 0xFD33;
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REG_SD_CFG3 = 0xFD3E;
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REG_SD_STAT1 = 0xFD30;
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REG_SD_STAT2 = 0;
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REG_SD_BUS_STAT = 0;
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REG_SD_PAD_CTL = 0;
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REG_SD_SAMPLE_POINT_CTL = 0;
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REG_SD_PUSH_POINT_CTL = 0;
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REG_SD_CMD0 = 0xFD34;
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REG_SD_CMD1 = 0xFD35;
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REG_SD_CMD2 = 0xFD36;
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REG_SD_CMD3 = 0xFD37;
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REG_SD_CMD4 = 0xFD38;
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REG_SD_CMD5 = 0xFD5A;
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REG_SD_BYTE_CNT_L = 0xFD39;
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REG_SD_BYTE_CNT_H = 0xFD3A;
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REG_SD_BLOCK_CNT_L = 0xFD3B;
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REG_SD_BLOCK_CNT_H = 0xFD3C;
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REG_SD_TRANSFER = 0xFD32;
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REG_SD_VPCLK0_CTL = 0;
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REG_SD_VPCLK1_CTL = 0;
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REG_SD_DCMPS0_CTL = 0;
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REG_SD_DCMPS1_CTL = 0;
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}
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static int sd_check_data0_status(struct rtsx_chip *chip)
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{
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int retval;
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u8 stat;
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retval = rtsx_read_register(chip, REG_SD_STAT1, &stat);
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if (retval) {
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rtsx_trace(chip);
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return retval;
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}
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if (!(stat & SD_DAT0_STATUS)) {
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sd_set_err_code(chip, SD_BUSY);
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rtsx_trace(chip);
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return STATUS_FAIL;
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}
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return STATUS_SUCCESS;
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}
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static int sd_send_cmd_get_rsp(struct rtsx_chip *chip, u8 cmd_idx,
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u32 arg, u8 rsp_type, u8 *rsp, int rsp_len)
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{
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struct sd_info *sd_card = &chip->sd_card;
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int retval;
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int timeout = 100;
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u16 reg_addr;
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u8 *ptr;
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int stat_idx = 0;
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int rty_cnt = 0;
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sd_clr_err_code(chip);
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dev_dbg(rtsx_dev(chip), "SD/MMC CMD %d, arg = 0x%08x\n", cmd_idx, arg);
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if (rsp_type == SD_RSP_TYPE_R1b)
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timeout = 3000;
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RTY_SEND_CMD:
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rtsx_init_cmd(chip);
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rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD0, 0xFF, 0x40 | cmd_idx);
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rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD1, 0xFF, (u8)(arg >> 24));
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rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD2, 0xFF, (u8)(arg >> 16));
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rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD3, 0xFF, (u8)(arg >> 8));
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rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD4, 0xFF, (u8)arg);
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rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF, rsp_type);
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rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE,
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0x01, PINGPONG_BUFFER);
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rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER,
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0xFF, SD_TM_CMD_RSP | SD_TRANSFER_START);
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rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER,
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SD_TRANSFER_END | SD_STAT_IDLE, SD_TRANSFER_END |
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SD_STAT_IDLE);
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if (rsp_type == SD_RSP_TYPE_R2) {
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for (reg_addr = PPBUF_BASE2; reg_addr < PPBUF_BASE2 + 16;
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reg_addr++)
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rtsx_add_cmd(chip, READ_REG_CMD, reg_addr, 0, 0);
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stat_idx = 16;
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} else if (rsp_type != SD_RSP_TYPE_R0) {
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for (reg_addr = REG_SD_CMD0; reg_addr <= REG_SD_CMD4;
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reg_addr++)
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rtsx_add_cmd(chip, READ_REG_CMD, reg_addr, 0, 0);
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stat_idx = 5;
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}
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rtsx_add_cmd(chip, READ_REG_CMD, REG_SD_STAT1, 0, 0);
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retval = rtsx_send_cmd(chip, SD_CARD, timeout);
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if (retval < 0) {
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u8 val;
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rtsx_read_register(chip, REG_SD_STAT1, &val);
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dev_dbg(rtsx_dev(chip), "SD_STAT1: 0x%x\n", val);
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rtsx_read_register(chip, REG_SD_CFG3, &val);
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dev_dbg(rtsx_dev(chip), "SD_CFG3: 0x%x\n", val);
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if (retval == -ETIMEDOUT) {
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if (rsp_type & SD_WAIT_BUSY_END) {
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retval = sd_check_data0_status(chip);
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if (retval != STATUS_SUCCESS) {
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rtsx_clear_sd_error(chip);
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rtsx_trace(chip);
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return retval;
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}
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} else {
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sd_set_err_code(chip, SD_TO_ERR);
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}
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retval = STATUS_TIMEDOUT;
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} else {
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retval = STATUS_FAIL;
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}
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rtsx_clear_sd_error(chip);
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rtsx_trace(chip);
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return retval;
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}
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if (rsp_type == SD_RSP_TYPE_R0)
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return STATUS_SUCCESS;
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ptr = rtsx_get_cmd_data(chip) + 1;
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if ((ptr[0] & 0xC0) != 0) {
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sd_set_err_code(chip, SD_STS_ERR);
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rtsx_trace(chip);
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return STATUS_FAIL;
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}
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if (!(rsp_type & SD_NO_CHECK_CRC7)) {
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if (ptr[stat_idx] & SD_CRC7_ERR) {
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if (cmd_idx == WRITE_MULTIPLE_BLOCK) {
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sd_set_err_code(chip, SD_CRC_ERR);
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rtsx_trace(chip);
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return STATUS_FAIL;
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}
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if (rty_cnt < SD_MAX_RETRY_COUNT) {
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wait_timeout(20);
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rty_cnt++;
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goto RTY_SEND_CMD;
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} else {
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sd_set_err_code(chip, SD_CRC_ERR);
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rtsx_trace(chip);
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return STATUS_FAIL;
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}
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}
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}
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if ((rsp_type == SD_RSP_TYPE_R1) || (rsp_type == SD_RSP_TYPE_R1b)) {
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if ((cmd_idx != SEND_RELATIVE_ADDR) &&
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(cmd_idx != SEND_IF_COND)) {
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if (cmd_idx != STOP_TRANSMISSION) {
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if (ptr[1] & 0x80) {
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rtsx_trace(chip);
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return STATUS_FAIL;
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}
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}
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#ifdef SUPPORT_SD_LOCK
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if (ptr[1] & 0x7D) {
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#else
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if (ptr[1] & 0x7F) {
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#endif
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dev_dbg(rtsx_dev(chip), "ptr[1]: 0x%02x\n",
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ptr[1]);
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rtsx_trace(chip);
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return STATUS_FAIL;
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}
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if (ptr[2] & 0xFF) {
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dev_dbg(rtsx_dev(chip), "ptr[2]: 0x%02x\n",
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ptr[2]);
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rtsx_trace(chip);
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return STATUS_FAIL;
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}
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if (ptr[3] & 0x80) {
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dev_dbg(rtsx_dev(chip), "ptr[3]: 0x%02x\n",
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ptr[3]);
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rtsx_trace(chip);
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return STATUS_FAIL;
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}
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if (ptr[3] & 0x01)
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sd_card->sd_data_buf_ready = 1;
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else
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sd_card->sd_data_buf_ready = 0;
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}
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}
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if (rsp && rsp_len)
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memcpy(rsp, ptr, rsp_len);
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return STATUS_SUCCESS;
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}
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static int sd_read_data(struct rtsx_chip *chip,
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u8 trans_mode, u8 *cmd, int cmd_len, u16 byte_cnt,
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u16 blk_cnt, u8 bus_width, u8 *buf, int buf_len,
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int timeout)
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{
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struct sd_info *sd_card = &chip->sd_card;
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int retval;
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int i;
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sd_clr_err_code(chip);
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if (!buf)
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buf_len = 0;
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if (buf_len > 512) {
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rtsx_trace(chip);
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return STATUS_FAIL;
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}
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rtsx_init_cmd(chip);
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if (cmd_len) {
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dev_dbg(rtsx_dev(chip), "SD/MMC CMD %d\n", cmd[0] - 0x40);
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for (i = 0; i < (min(cmd_len, 6)); i++)
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rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD0 + i,
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0xFF, cmd[i]);
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}
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rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L, 0xFF,
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(u8)byte_cnt);
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rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_H, 0xFF,
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(u8)(byte_cnt >> 8));
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rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_L, 0xFF,
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(u8)blk_cnt);
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rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_H, 0xFF,
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(u8)(blk_cnt >> 8));
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rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG1, 0x03, bus_width);
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rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF,
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SD_CALCULATE_CRC7 | SD_CHECK_CRC16 | SD_NO_WAIT_BUSY_END |
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SD_CHECK_CRC7 | SD_RSP_LEN_6);
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if (trans_mode != SD_TM_AUTO_TUNING)
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rtsx_add_cmd(chip, WRITE_REG_CMD,
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CARD_DATA_SOURCE, 0x01, PINGPONG_BUFFER);
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rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF,
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trans_mode | SD_TRANSFER_START);
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rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER, SD_TRANSFER_END,
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SD_TRANSFER_END);
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retval = rtsx_send_cmd(chip, SD_CARD, timeout);
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if (retval < 0) {
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if (retval == -ETIMEDOUT) {
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sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
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SD_RSP_TYPE_R1, NULL, 0);
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}
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rtsx_trace(chip);
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return STATUS_FAIL;
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}
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if (buf && buf_len) {
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retval = rtsx_read_ppbuf(chip, buf, buf_len);
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if (retval != STATUS_SUCCESS) {
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rtsx_trace(chip);
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return STATUS_FAIL;
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}
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}
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return STATUS_SUCCESS;
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}
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static int sd_write_data(struct rtsx_chip *chip, u8 trans_mode,
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u8 *cmd, int cmd_len, u16 byte_cnt, u16 blk_cnt,
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u8 bus_width, u8 *buf, int buf_len, int timeout)
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{
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struct sd_info *sd_card = &chip->sd_card;
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int retval;
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int i;
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sd_clr_err_code(chip);
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if (!buf)
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buf_len = 0;
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if (buf_len > 512) {
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/* This function can't write data more than one page */
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rtsx_trace(chip);
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return STATUS_FAIL;
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}
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if (buf && buf_len) {
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retval = rtsx_write_ppbuf(chip, buf, buf_len);
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if (retval != STATUS_SUCCESS) {
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rtsx_trace(chip);
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return STATUS_FAIL;
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}
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}
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rtsx_init_cmd(chip);
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if (cmd_len) {
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dev_dbg(rtsx_dev(chip), "SD/MMC CMD %d\n", cmd[0] - 0x40);
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for (i = 0; i < (min(cmd_len, 6)); i++) {
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rtsx_add_cmd(chip, WRITE_REG_CMD,
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REG_SD_CMD0 + i, 0xFF, cmd[i]);
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}
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}
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rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L, 0xFF,
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(u8)byte_cnt);
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rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_H, 0xFF,
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(u8)(byte_cnt >> 8));
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rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_L, 0xFF,
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(u8)blk_cnt);
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rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_H, 0xFF,
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(u8)(blk_cnt >> 8));
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rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG1, 0x03, bus_width);
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|
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rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF,
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SD_CALCULATE_CRC7 | SD_CHECK_CRC16 | SD_NO_WAIT_BUSY_END |
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SD_CHECK_CRC7 | SD_RSP_LEN_6);
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|
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rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF,
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trans_mode | SD_TRANSFER_START);
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rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER, SD_TRANSFER_END,
|
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SD_TRANSFER_END);
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|
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retval = rtsx_send_cmd(chip, SD_CARD, timeout);
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if (retval < 0) {
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if (retval == -ETIMEDOUT) {
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sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
|
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SD_RSP_TYPE_R1, NULL, 0);
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}
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|
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rtsx_trace(chip);
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return STATUS_FAIL;
|
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}
|
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|
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return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int sd_check_csd(struct rtsx_chip *chip, char check_wp)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
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int retval;
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int i;
|
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u8 csd_ver, trans_speed;
|
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u8 rsp[16];
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|
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for (i = 0; i < 6; i++) {
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if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) {
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sd_set_err_code(chip, SD_NO_CARD);
|
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rtsx_trace(chip);
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return STATUS_FAIL;
|
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}
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|
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retval = sd_send_cmd_get_rsp(chip, SEND_CSD, sd_card->sd_addr,
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SD_RSP_TYPE_R2, rsp, 16);
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if (retval == STATUS_SUCCESS)
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break;
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}
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|
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if (i == 6) {
|
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rtsx_trace(chip);
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return STATUS_FAIL;
|
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}
|
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|
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memcpy(sd_card->raw_csd, rsp + 1, 15);
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|
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dev_dbg(rtsx_dev(chip), "CSD Response:\n");
|
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dev_dbg(rtsx_dev(chip), "%*ph\n", 16, sd_card->raw_csd);
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|
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csd_ver = (rsp[1] & 0xc0) >> 6;
|
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dev_dbg(rtsx_dev(chip), "csd_ver = %d\n", csd_ver);
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|
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trans_speed = rsp[4];
|
|
if ((trans_speed & 0x07) == 0x02) {
|
|
if ((trans_speed & 0xf8) >= 0x30) {
|
|
if (chip->asic_code)
|
|
sd_card->sd_clock = 47;
|
|
else
|
|
sd_card->sd_clock = CLK_50;
|
|
|
|
} else if ((trans_speed & 0xf8) == 0x28) {
|
|
if (chip->asic_code)
|
|
sd_card->sd_clock = 39;
|
|
else
|
|
sd_card->sd_clock = CLK_40;
|
|
|
|
} else if ((trans_speed & 0xf8) == 0x20) {
|
|
if (chip->asic_code)
|
|
sd_card->sd_clock = 29;
|
|
else
|
|
sd_card->sd_clock = CLK_30;
|
|
|
|
} else if ((trans_speed & 0xf8) >= 0x10) {
|
|
if (chip->asic_code)
|
|
sd_card->sd_clock = 23;
|
|
else
|
|
sd_card->sd_clock = CLK_20;
|
|
|
|
} else if ((trans_speed & 0x08) >= 0x08) {
|
|
if (chip->asic_code)
|
|
sd_card->sd_clock = 19;
|
|
else
|
|
sd_card->sd_clock = CLK_20;
|
|
} else {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
} else {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
if (CHK_MMC_SECTOR_MODE(sd_card)) {
|
|
sd_card->capacity = 0;
|
|
} else {
|
|
if ((!CHK_SD_HCXC(sd_card)) || (csd_ver == 0)) {
|
|
u8 blk_size, c_size_mult;
|
|
u16 c_size;
|
|
|
|
blk_size = rsp[6] & 0x0F;
|
|
c_size = ((u16)(rsp[7] & 0x03) << 10)
|
|
+ ((u16)rsp[8] << 2)
|
|
+ ((u16)(rsp[9] & 0xC0) >> 6);
|
|
c_size_mult = (u8)((rsp[10] & 0x03) << 1);
|
|
c_size_mult += (rsp[11] & 0x80) >> 7;
|
|
sd_card->capacity = (((u32)(c_size + 1)) *
|
|
(1 << (c_size_mult + 2)))
|
|
<< (blk_size - 9);
|
|
} else {
|
|
u32 total_sector = 0;
|
|
|
|
total_sector = (((u32)rsp[8] & 0x3f) << 16) |
|
|
((u32)rsp[9] << 8) | (u32)rsp[10];
|
|
sd_card->capacity = (total_sector + 1) << 10;
|
|
}
|
|
}
|
|
|
|
if (check_wp) {
|
|
if (rsp[15] & 0x30)
|
|
chip->card_wp |= SD_CARD;
|
|
|
|
dev_dbg(rtsx_dev(chip), "CSD WP Status: 0x%x\n", rsp[15]);
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int sd_set_sample_push_timing(struct rtsx_chip *chip)
|
|
{
|
|
int retval;
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
u8 val = 0;
|
|
|
|
if ((chip->sd_ctl & SD_PUSH_POINT_CTL_MASK) == SD_PUSH_POINT_DELAY)
|
|
val |= 0x10;
|
|
|
|
if ((chip->sd_ctl & SD_SAMPLE_POINT_CTL_MASK) == SD_SAMPLE_POINT_AUTO) {
|
|
if (chip->asic_code) {
|
|
if (CHK_SD_HS(sd_card) || CHK_MMC_52M(sd_card)) {
|
|
if (val & 0x10)
|
|
val |= 0x04;
|
|
else
|
|
val |= 0x08;
|
|
}
|
|
} else {
|
|
if (val & 0x10)
|
|
val |= 0x04;
|
|
else
|
|
val |= 0x08;
|
|
}
|
|
} else if ((chip->sd_ctl & SD_SAMPLE_POINT_CTL_MASK) ==
|
|
SD_SAMPLE_POINT_DELAY) {
|
|
if (val & 0x10)
|
|
val |= 0x04;
|
|
else
|
|
val |= 0x08;
|
|
}
|
|
|
|
retval = rtsx_write_register(chip, REG_SD_CFG1, 0x1C, val);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static void sd_choose_proper_clock(struct rtsx_chip *chip)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
|
|
if (CHK_SD_SDR104(sd_card)) {
|
|
if (chip->asic_code)
|
|
sd_card->sd_clock = chip->asic_sd_sdr104_clk;
|
|
else
|
|
sd_card->sd_clock = chip->fpga_sd_sdr104_clk;
|
|
|
|
} else if (CHK_SD_DDR50(sd_card)) {
|
|
if (chip->asic_code)
|
|
sd_card->sd_clock = chip->asic_sd_ddr50_clk;
|
|
else
|
|
sd_card->sd_clock = chip->fpga_sd_ddr50_clk;
|
|
|
|
} else if (CHK_SD_SDR50(sd_card)) {
|
|
if (chip->asic_code)
|
|
sd_card->sd_clock = chip->asic_sd_sdr50_clk;
|
|
else
|
|
sd_card->sd_clock = chip->fpga_sd_sdr50_clk;
|
|
|
|
} else if (CHK_SD_HS(sd_card)) {
|
|
if (chip->asic_code)
|
|
sd_card->sd_clock = chip->asic_sd_hs_clk;
|
|
else
|
|
sd_card->sd_clock = chip->fpga_sd_hs_clk;
|
|
|
|
} else if (CHK_MMC_52M(sd_card) || CHK_MMC_DDR52(sd_card)) {
|
|
if (chip->asic_code)
|
|
sd_card->sd_clock = chip->asic_mmc_52m_clk;
|
|
else
|
|
sd_card->sd_clock = chip->fpga_mmc_52m_clk;
|
|
|
|
} else if (CHK_MMC_26M(sd_card)) {
|
|
if (chip->asic_code)
|
|
sd_card->sd_clock = 48;
|
|
else
|
|
sd_card->sd_clock = CLK_50;
|
|
}
|
|
}
|
|
|
|
static int sd_set_clock_divider(struct rtsx_chip *chip, u8 clk_div)
|
|
{
|
|
int retval;
|
|
u8 mask = 0, val = 0;
|
|
|
|
mask = 0x60;
|
|
if (clk_div == SD_CLK_DIVIDE_0)
|
|
val = 0x00;
|
|
else if (clk_div == SD_CLK_DIVIDE_128)
|
|
val = 0x40;
|
|
else if (clk_div == SD_CLK_DIVIDE_256)
|
|
val = 0x20;
|
|
|
|
retval = rtsx_write_register(chip, REG_SD_CFG1, mask, val);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int sd_set_init_para(struct rtsx_chip *chip)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int retval;
|
|
|
|
retval = sd_set_sample_push_timing(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
sd_choose_proper_clock(chip);
|
|
|
|
retval = switch_clock(chip, sd_card->sd_clock);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
int sd_select_card(struct rtsx_chip *chip, int select)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int retval;
|
|
u8 cmd_idx, cmd_type;
|
|
u32 addr;
|
|
|
|
if (select) {
|
|
cmd_idx = SELECT_CARD;
|
|
cmd_type = SD_RSP_TYPE_R1;
|
|
addr = sd_card->sd_addr;
|
|
} else {
|
|
cmd_idx = DESELECT_CARD;
|
|
cmd_type = SD_RSP_TYPE_R0;
|
|
addr = 0;
|
|
}
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, cmd_idx, addr, cmd_type, NULL, 0);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
#ifdef SUPPORT_SD_LOCK
|
|
static int sd_update_lock_status(struct rtsx_chip *chip)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int retval;
|
|
u8 rsp[5];
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
|
|
SD_RSP_TYPE_R1, rsp, 5);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
if (rsp[1] & 0x02)
|
|
sd_card->sd_lock_status |= SD_LOCKED;
|
|
else
|
|
sd_card->sd_lock_status &= ~SD_LOCKED;
|
|
|
|
dev_dbg(rtsx_dev(chip), "sd_card->sd_lock_status = 0x%x\n",
|
|
sd_card->sd_lock_status);
|
|
|
|
if (rsp[1] & 0x01) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
#endif
|
|
|
|
static int sd_wait_state_data_ready(struct rtsx_chip *chip, u8 state,
|
|
u8 data_ready, int polling_cnt)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int retval, i;
|
|
u8 rsp[5];
|
|
|
|
for (i = 0; i < polling_cnt; i++) {
|
|
retval = sd_send_cmd_get_rsp(chip, SEND_STATUS,
|
|
sd_card->sd_addr, SD_RSP_TYPE_R1,
|
|
rsp, 5);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
if (((rsp[3] & 0x1E) == state) &&
|
|
((rsp[3] & 0x01) == data_ready))
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
static int sd_change_bank_voltage(struct rtsx_chip *chip, u8 voltage)
|
|
{
|
|
int retval;
|
|
|
|
if (voltage == SD_IO_3V3) {
|
|
if (chip->asic_code) {
|
|
retval = rtsx_write_phy_register(chip, 0x08,
|
|
0x4FC0 |
|
|
chip->phy_voltage);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
} else {
|
|
retval = rtsx_write_register(chip, SD_PAD_CTL,
|
|
SD_IO_USING_1V8, 0);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
}
|
|
} else if (voltage == SD_IO_1V8) {
|
|
if (chip->asic_code) {
|
|
retval = rtsx_write_phy_register(chip, 0x08,
|
|
0x4C40 |
|
|
chip->phy_voltage);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
} else {
|
|
retval = rtsx_write_register(chip, SD_PAD_CTL,
|
|
SD_IO_USING_1V8,
|
|
SD_IO_USING_1V8);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
}
|
|
} else {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int sd_voltage_switch(struct rtsx_chip *chip)
|
|
{
|
|
int retval;
|
|
u8 stat;
|
|
|
|
retval = rtsx_write_register(chip, SD_BUS_STAT,
|
|
SD_CLK_TOGGLE_EN | SD_CLK_FORCE_STOP,
|
|
SD_CLK_TOGGLE_EN);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, VOLTAGE_SWITCH, 0, SD_RSP_TYPE_R1,
|
|
NULL, 0);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
udelay(chip->sd_voltage_switch_delay);
|
|
|
|
retval = rtsx_read_register(chip, SD_BUS_STAT, &stat);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
if (stat & (SD_CMD_STATUS | SD_DAT3_STATUS | SD_DAT2_STATUS |
|
|
SD_DAT1_STATUS | SD_DAT0_STATUS)) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = rtsx_write_register(chip, SD_BUS_STAT, 0xFF,
|
|
SD_CLK_FORCE_STOP);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
retval = sd_change_bank_voltage(chip, SD_IO_1V8);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
wait_timeout(50);
|
|
|
|
retval = rtsx_write_register(chip, SD_BUS_STAT, 0xFF,
|
|
SD_CLK_TOGGLE_EN);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
wait_timeout(10);
|
|
|
|
retval = rtsx_read_register(chip, SD_BUS_STAT, &stat);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
if ((stat & (SD_CMD_STATUS | SD_DAT3_STATUS | SD_DAT2_STATUS |
|
|
SD_DAT1_STATUS | SD_DAT0_STATUS)) !=
|
|
(SD_CMD_STATUS | SD_DAT3_STATUS | SD_DAT2_STATUS |
|
|
SD_DAT1_STATUS | SD_DAT0_STATUS)) {
|
|
dev_dbg(rtsx_dev(chip), "SD_BUS_STAT: 0x%x\n", stat);
|
|
rtsx_write_register(chip, SD_BUS_STAT, SD_CLK_TOGGLE_EN |
|
|
SD_CLK_FORCE_STOP, 0);
|
|
rtsx_write_register(chip, CARD_CLK_EN, 0xFF, 0);
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = rtsx_write_register(chip, SD_BUS_STAT,
|
|
SD_CLK_TOGGLE_EN | SD_CLK_FORCE_STOP, 0);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int sd_reset_dcm(struct rtsx_chip *chip, u8 tune_dir)
|
|
{
|
|
int retval;
|
|
|
|
if (tune_dir == TUNE_RX) {
|
|
retval = rtsx_write_register(chip, DCM_DRP_CTL, 0xFF,
|
|
DCM_RESET | DCM_RX);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
retval = rtsx_write_register(chip, DCM_DRP_CTL, 0xFF, DCM_RX);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
} else {
|
|
retval = rtsx_write_register(chip, DCM_DRP_CTL, 0xFF,
|
|
DCM_RESET | DCM_TX);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
retval = rtsx_write_register(chip, DCM_DRP_CTL, 0xFF, DCM_TX);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int sd_change_phase(struct rtsx_chip *chip, u8 sample_point, u8 tune_dir)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
u16 SD_VP_CTL, SD_DCMPS_CTL;
|
|
u8 val;
|
|
int retval;
|
|
bool ddr_rx = false;
|
|
|
|
dev_dbg(rtsx_dev(chip), "sd_change_phase (sample_point = %d, tune_dir = %d)\n",
|
|
sample_point, tune_dir);
|
|
|
|
if (tune_dir == TUNE_RX) {
|
|
SD_VP_CTL = SD_VPRX_CTL;
|
|
SD_DCMPS_CTL = SD_DCMPS_RX_CTL;
|
|
if (CHK_SD_DDR50(sd_card))
|
|
ddr_rx = true;
|
|
} else {
|
|
SD_VP_CTL = SD_VPTX_CTL;
|
|
SD_DCMPS_CTL = SD_DCMPS_TX_CTL;
|
|
}
|
|
|
|
if (chip->asic_code) {
|
|
retval = rtsx_write_register(chip, CLK_CTL, CHANGE_CLK,
|
|
CHANGE_CLK);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
retval = rtsx_write_register(chip, SD_VP_CTL, 0x1F,
|
|
sample_point);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
retval = rtsx_write_register(chip, SD_VPCLK0_CTL,
|
|
PHASE_NOT_RESET, 0);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
retval = rtsx_write_register(chip, SD_VPCLK0_CTL,
|
|
PHASE_NOT_RESET, PHASE_NOT_RESET);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
retval = rtsx_write_register(chip, CLK_CTL, CHANGE_CLK, 0);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
} else {
|
|
rtsx_read_register(chip, SD_VP_CTL, &val);
|
|
dev_dbg(rtsx_dev(chip), "SD_VP_CTL: 0x%x\n", val);
|
|
rtsx_read_register(chip, SD_DCMPS_CTL, &val);
|
|
dev_dbg(rtsx_dev(chip), "SD_DCMPS_CTL: 0x%x\n", val);
|
|
|
|
if (ddr_rx) {
|
|
retval = rtsx_write_register(chip, SD_VP_CTL,
|
|
PHASE_CHANGE,
|
|
PHASE_CHANGE);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
udelay(50);
|
|
retval = rtsx_write_register(chip, SD_VP_CTL, 0xFF,
|
|
PHASE_CHANGE |
|
|
PHASE_NOT_RESET |
|
|
sample_point);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
} else {
|
|
retval = rtsx_write_register(chip, CLK_CTL,
|
|
CHANGE_CLK, CHANGE_CLK);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
udelay(50);
|
|
retval = rtsx_write_register(chip, SD_VP_CTL, 0xFF,
|
|
PHASE_NOT_RESET |
|
|
sample_point);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
}
|
|
udelay(100);
|
|
|
|
rtsx_init_cmd(chip);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, SD_DCMPS_CTL, DCMPS_CHANGE,
|
|
DCMPS_CHANGE);
|
|
rtsx_add_cmd(chip, CHECK_REG_CMD, SD_DCMPS_CTL,
|
|
DCMPS_CHANGE_DONE, DCMPS_CHANGE_DONE);
|
|
retval = rtsx_send_cmd(chip, SD_CARD, 100);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
goto fail;
|
|
}
|
|
|
|
val = *rtsx_get_cmd_data(chip);
|
|
if (val & DCMPS_ERROR) {
|
|
rtsx_trace(chip);
|
|
goto fail;
|
|
}
|
|
|
|
if ((val & DCMPS_CURRENT_PHASE) != sample_point) {
|
|
rtsx_trace(chip);
|
|
goto fail;
|
|
}
|
|
|
|
retval = rtsx_write_register(chip, SD_DCMPS_CTL,
|
|
DCMPS_CHANGE, 0);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
if (ddr_rx) {
|
|
retval = rtsx_write_register(chip, SD_VP_CTL,
|
|
PHASE_CHANGE, 0);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
} else {
|
|
retval = rtsx_write_register(chip, CLK_CTL,
|
|
CHANGE_CLK, 0);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
}
|
|
|
|
udelay(50);
|
|
}
|
|
|
|
retval = rtsx_write_register(chip, SD_CFG1, SD_ASYNC_FIFO_NOT_RST, 0);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
|
|
fail:
|
|
rtsx_read_register(chip, SD_VP_CTL, &val);
|
|
dev_dbg(rtsx_dev(chip), "SD_VP_CTL: 0x%x\n", val);
|
|
rtsx_read_register(chip, SD_DCMPS_CTL, &val);
|
|
dev_dbg(rtsx_dev(chip), "SD_DCMPS_CTL: 0x%x\n", val);
|
|
|
|
rtsx_write_register(chip, SD_DCMPS_CTL, DCMPS_CHANGE, 0);
|
|
rtsx_write_register(chip, SD_VP_CTL, PHASE_CHANGE, 0);
|
|
wait_timeout(10);
|
|
sd_reset_dcm(chip, tune_dir);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
static int sd_check_spec(struct rtsx_chip *chip, u8 bus_width)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int retval;
|
|
u8 cmd[5], buf[8];
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr,
|
|
SD_RSP_TYPE_R1, NULL, 0);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
cmd[0] = 0x40 | SEND_SCR;
|
|
cmd[1] = 0;
|
|
cmd[2] = 0;
|
|
cmd[3] = 0;
|
|
cmd[4] = 0;
|
|
|
|
retval = sd_read_data(chip, SD_TM_NORMAL_READ, cmd, 5, 8, 1, bus_width,
|
|
buf, 8, 250);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_clear_sd_error(chip);
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
memcpy(sd_card->raw_scr, buf, 8);
|
|
|
|
if ((buf[0] & 0x0F) == 0) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int sd_query_switch_result(struct rtsx_chip *chip, u8 func_group,
|
|
u8 func_to_switch, u8 *buf, int buf_len)
|
|
{
|
|
u8 support_mask = 0, query_switch = 0, switch_busy = 0;
|
|
int support_offset = 0, query_switch_offset = 0, check_busy_offset = 0;
|
|
|
|
if (func_group == SD_FUNC_GROUP_1) {
|
|
support_offset = FUNCTION_GROUP1_SUPPORT_OFFSET;
|
|
query_switch_offset = FUNCTION_GROUP1_QUERY_SWITCH_OFFSET;
|
|
check_busy_offset = FUNCTION_GROUP1_CHECK_BUSY_OFFSET;
|
|
|
|
switch (func_to_switch) {
|
|
case HS_SUPPORT:
|
|
support_mask = HS_SUPPORT_MASK;
|
|
query_switch = HS_QUERY_SWITCH_OK;
|
|
switch_busy = HS_SWITCH_BUSY;
|
|
break;
|
|
|
|
case SDR50_SUPPORT:
|
|
support_mask = SDR50_SUPPORT_MASK;
|
|
query_switch = SDR50_QUERY_SWITCH_OK;
|
|
switch_busy = SDR50_SWITCH_BUSY;
|
|
break;
|
|
|
|
case SDR104_SUPPORT:
|
|
support_mask = SDR104_SUPPORT_MASK;
|
|
query_switch = SDR104_QUERY_SWITCH_OK;
|
|
switch_busy = SDR104_SWITCH_BUSY;
|
|
break;
|
|
|
|
case DDR50_SUPPORT:
|
|
support_mask = DDR50_SUPPORT_MASK;
|
|
query_switch = DDR50_QUERY_SWITCH_OK;
|
|
switch_busy = DDR50_SWITCH_BUSY;
|
|
break;
|
|
|
|
default:
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
} else if (func_group == SD_FUNC_GROUP_3) {
|
|
support_offset = FUNCTION_GROUP3_SUPPORT_OFFSET;
|
|
query_switch_offset = FUNCTION_GROUP3_QUERY_SWITCH_OFFSET;
|
|
check_busy_offset = FUNCTION_GROUP3_CHECK_BUSY_OFFSET;
|
|
|
|
switch (func_to_switch) {
|
|
case DRIVING_TYPE_A:
|
|
support_mask = DRIVING_TYPE_A_MASK;
|
|
query_switch = TYPE_A_QUERY_SWITCH_OK;
|
|
switch_busy = TYPE_A_SWITCH_BUSY;
|
|
break;
|
|
|
|
case DRIVING_TYPE_C:
|
|
support_mask = DRIVING_TYPE_C_MASK;
|
|
query_switch = TYPE_C_QUERY_SWITCH_OK;
|
|
switch_busy = TYPE_C_SWITCH_BUSY;
|
|
break;
|
|
|
|
case DRIVING_TYPE_D:
|
|
support_mask = DRIVING_TYPE_D_MASK;
|
|
query_switch = TYPE_D_QUERY_SWITCH_OK;
|
|
switch_busy = TYPE_D_SWITCH_BUSY;
|
|
break;
|
|
|
|
default:
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
} else if (func_group == SD_FUNC_GROUP_4) {
|
|
support_offset = FUNCTION_GROUP4_SUPPORT_OFFSET;
|
|
query_switch_offset = FUNCTION_GROUP4_QUERY_SWITCH_OFFSET;
|
|
check_busy_offset = FUNCTION_GROUP4_CHECK_BUSY_OFFSET;
|
|
|
|
switch (func_to_switch) {
|
|
case CURRENT_LIMIT_400:
|
|
support_mask = CURRENT_LIMIT_400_MASK;
|
|
query_switch = CURRENT_LIMIT_400_QUERY_SWITCH_OK;
|
|
switch_busy = CURRENT_LIMIT_400_SWITCH_BUSY;
|
|
break;
|
|
|
|
case CURRENT_LIMIT_600:
|
|
support_mask = CURRENT_LIMIT_600_MASK;
|
|
query_switch = CURRENT_LIMIT_600_QUERY_SWITCH_OK;
|
|
switch_busy = CURRENT_LIMIT_600_SWITCH_BUSY;
|
|
break;
|
|
|
|
case CURRENT_LIMIT_800:
|
|
support_mask = CURRENT_LIMIT_800_MASK;
|
|
query_switch = CURRENT_LIMIT_800_QUERY_SWITCH_OK;
|
|
switch_busy = CURRENT_LIMIT_800_SWITCH_BUSY;
|
|
break;
|
|
|
|
default:
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
} else {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
if (func_group == SD_FUNC_GROUP_1) {
|
|
if (!(buf[support_offset] & support_mask) ||
|
|
((buf[query_switch_offset] & 0x0F) != query_switch)) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
}
|
|
|
|
/* Check 'Busy Status' */
|
|
if ((buf[DATA_STRUCTURE_VER_OFFSET] == 0x01) &&
|
|
((buf[check_busy_offset] & switch_busy) == switch_busy)) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int sd_check_switch_mode(struct rtsx_chip *chip, u8 mode, u8 func_group,
|
|
u8 func_to_switch, u8 bus_width)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int retval;
|
|
u8 cmd[5], buf[64];
|
|
|
|
dev_dbg(rtsx_dev(chip), "sd_check_switch_mode (mode = %d, func_group = %d, func_to_switch = %d)\n",
|
|
mode, func_group, func_to_switch);
|
|
|
|
cmd[0] = 0x40 | SWITCH;
|
|
cmd[1] = mode;
|
|
|
|
if (func_group == SD_FUNC_GROUP_1) {
|
|
cmd[2] = 0xFF;
|
|
cmd[3] = 0xFF;
|
|
cmd[4] = 0xF0 + func_to_switch;
|
|
} else if (func_group == SD_FUNC_GROUP_3) {
|
|
cmd[2] = 0xFF;
|
|
cmd[3] = 0xF0 + func_to_switch;
|
|
cmd[4] = 0xFF;
|
|
} else if (func_group == SD_FUNC_GROUP_4) {
|
|
cmd[2] = 0xFF;
|
|
cmd[3] = 0x0F + (func_to_switch << 4);
|
|
cmd[4] = 0xFF;
|
|
} else {
|
|
cmd[1] = SD_CHECK_MODE;
|
|
cmd[2] = 0xFF;
|
|
cmd[3] = 0xFF;
|
|
cmd[4] = 0xFF;
|
|
}
|
|
|
|
retval = sd_read_data(chip, SD_TM_NORMAL_READ, cmd, 5, 64, 1, bus_width,
|
|
buf, 64, 250);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_clear_sd_error(chip);
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
dev_dbg(rtsx_dev(chip), "%*ph\n", 64, buf);
|
|
|
|
if (func_group == NO_ARGUMENT) {
|
|
sd_card->func_group1_mask = buf[0x0D];
|
|
sd_card->func_group2_mask = buf[0x0B];
|
|
sd_card->func_group3_mask = buf[0x09];
|
|
sd_card->func_group4_mask = buf[0x07];
|
|
|
|
dev_dbg(rtsx_dev(chip), "func_group1_mask = 0x%02x\n",
|
|
buf[0x0D]);
|
|
dev_dbg(rtsx_dev(chip), "func_group2_mask = 0x%02x\n",
|
|
buf[0x0B]);
|
|
dev_dbg(rtsx_dev(chip), "func_group3_mask = 0x%02x\n",
|
|
buf[0x09]);
|
|
dev_dbg(rtsx_dev(chip), "func_group4_mask = 0x%02x\n",
|
|
buf[0x07]);
|
|
} else {
|
|
/* Maximum current consumption, check whether current is
|
|
* acceptable; bit[511:496] = 0x0000 means some error happened.
|
|
*/
|
|
u16 cc = ((u16)buf[0] << 8) | buf[1];
|
|
|
|
dev_dbg(rtsx_dev(chip), "Maximum current consumption: %dmA\n",
|
|
cc);
|
|
if ((cc == 0) || (cc > 800)) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = sd_query_switch_result(chip, func_group,
|
|
func_to_switch, buf, 64);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
if ((cc > 400) || (func_to_switch > CURRENT_LIMIT_400)) {
|
|
retval = rtsx_write_register(chip, OCPPARA2,
|
|
SD_OCP_THD_MASK,
|
|
chip->sd_800mA_ocp_thd);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
retval = rtsx_write_register(chip, CARD_PWR_CTL,
|
|
PMOS_STRG_MASK,
|
|
PMOS_STRG_800mA);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
}
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static u8 downgrade_switch_mode(u8 func_group, u8 func_to_switch)
|
|
{
|
|
if (func_group == SD_FUNC_GROUP_1) {
|
|
if (func_to_switch > HS_SUPPORT)
|
|
func_to_switch--;
|
|
|
|
} else if (func_group == SD_FUNC_GROUP_4) {
|
|
if (func_to_switch > CURRENT_LIMIT_200)
|
|
func_to_switch--;
|
|
}
|
|
|
|
return func_to_switch;
|
|
}
|
|
|
|
static int sd_check_switch(struct rtsx_chip *chip,
|
|
u8 func_group, u8 func_to_switch, u8 bus_width)
|
|
{
|
|
int retval;
|
|
int i;
|
|
bool switch_good = false;
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) {
|
|
sd_set_err_code(chip, SD_NO_CARD);
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = sd_check_switch_mode(chip, SD_CHECK_MODE, func_group,
|
|
func_to_switch, bus_width);
|
|
if (retval == STATUS_SUCCESS) {
|
|
u8 stat;
|
|
|
|
retval = sd_check_switch_mode(chip, SD_SWITCH_MODE,
|
|
func_group,
|
|
func_to_switch,
|
|
bus_width);
|
|
if (retval == STATUS_SUCCESS) {
|
|
switch_good = true;
|
|
break;
|
|
}
|
|
|
|
retval = rtsx_read_register(chip, SD_STAT1, &stat);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
if (stat & SD_CRC16_ERR) {
|
|
dev_dbg(rtsx_dev(chip), "SD CRC16 error when switching mode\n");
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
}
|
|
|
|
func_to_switch = downgrade_switch_mode(func_group,
|
|
func_to_switch);
|
|
|
|
wait_timeout(20);
|
|
}
|
|
|
|
if (!switch_good) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int sd_switch_function(struct rtsx_chip *chip, u8 bus_width)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int retval;
|
|
int i;
|
|
u8 func_to_switch = 0;
|
|
|
|
/* Get supported functions */
|
|
retval = sd_check_switch_mode(chip, SD_CHECK_MODE, NO_ARGUMENT,
|
|
NO_ARGUMENT, bus_width);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
sd_card->func_group1_mask &= ~(sd_card->sd_switch_fail);
|
|
|
|
/* Function Group 1: Access Mode */
|
|
for (i = 0; i < 4; i++) {
|
|
switch ((u8)(chip->sd_speed_prior >> (i * 8))) {
|
|
case SDR104_SUPPORT:
|
|
if ((sd_card->func_group1_mask & SDR104_SUPPORT_MASK) &&
|
|
chip->sdr104_en) {
|
|
func_to_switch = SDR104_SUPPORT;
|
|
}
|
|
break;
|
|
|
|
case DDR50_SUPPORT:
|
|
if ((sd_card->func_group1_mask & DDR50_SUPPORT_MASK) &&
|
|
chip->ddr50_en) {
|
|
func_to_switch = DDR50_SUPPORT;
|
|
}
|
|
break;
|
|
|
|
case SDR50_SUPPORT:
|
|
if ((sd_card->func_group1_mask & SDR50_SUPPORT_MASK) &&
|
|
chip->sdr50_en) {
|
|
func_to_switch = SDR50_SUPPORT;
|
|
}
|
|
break;
|
|
|
|
case HS_SUPPORT:
|
|
if (sd_card->func_group1_mask & HS_SUPPORT_MASK)
|
|
func_to_switch = HS_SUPPORT;
|
|
|
|
break;
|
|
|
|
default:
|
|
continue;
|
|
}
|
|
|
|
if (func_to_switch)
|
|
break;
|
|
}
|
|
dev_dbg(rtsx_dev(chip), "SD_FUNC_GROUP_1: func_to_switch = 0x%02x",
|
|
func_to_switch);
|
|
|
|
#ifdef SUPPORT_SD_LOCK
|
|
if ((sd_card->sd_lock_status & SD_SDR_RST) &&
|
|
(func_to_switch == DDR50_SUPPORT) &&
|
|
(sd_card->func_group1_mask & SDR50_SUPPORT_MASK)) {
|
|
func_to_switch = SDR50_SUPPORT;
|
|
dev_dbg(rtsx_dev(chip), "Using SDR50 instead of DDR50 for SD Lock\n");
|
|
}
|
|
#endif
|
|
|
|
if (func_to_switch) {
|
|
retval = sd_check_switch(chip, SD_FUNC_GROUP_1, func_to_switch,
|
|
bus_width);
|
|
if (retval != STATUS_SUCCESS) {
|
|
if (func_to_switch == SDR104_SUPPORT) {
|
|
sd_card->sd_switch_fail = SDR104_SUPPORT_MASK;
|
|
} else if (func_to_switch == DDR50_SUPPORT) {
|
|
sd_card->sd_switch_fail = SDR104_SUPPORT_MASK |
|
|
DDR50_SUPPORT_MASK;
|
|
} else if (func_to_switch == SDR50_SUPPORT) {
|
|
sd_card->sd_switch_fail = SDR104_SUPPORT_MASK |
|
|
DDR50_SUPPORT_MASK | SDR50_SUPPORT_MASK;
|
|
}
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
if (func_to_switch == SDR104_SUPPORT)
|
|
SET_SD_SDR104(sd_card);
|
|
else if (func_to_switch == DDR50_SUPPORT)
|
|
SET_SD_DDR50(sd_card);
|
|
else if (func_to_switch == SDR50_SUPPORT)
|
|
SET_SD_SDR50(sd_card);
|
|
else
|
|
SET_SD_HS(sd_card);
|
|
}
|
|
|
|
if (CHK_SD_DDR50(sd_card)) {
|
|
retval = rtsx_write_register(chip, SD_PUSH_POINT_CTL, 0x06,
|
|
0x04);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
retval = sd_set_sample_push_timing(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
}
|
|
|
|
if (!func_to_switch || (func_to_switch == HS_SUPPORT)) {
|
|
/* Do not try to switch current limit if the card doesn't
|
|
* support UHS mode or we don't want it to support UHS mode
|
|
*/
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
/* Function Group 4: Current Limit */
|
|
func_to_switch = 0xFF;
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
switch ((u8)(chip->sd_current_prior >> (i * 8))) {
|
|
case CURRENT_LIMIT_800:
|
|
if (sd_card->func_group4_mask & CURRENT_LIMIT_800_MASK)
|
|
func_to_switch = CURRENT_LIMIT_800;
|
|
|
|
break;
|
|
|
|
case CURRENT_LIMIT_600:
|
|
if (sd_card->func_group4_mask & CURRENT_LIMIT_600_MASK)
|
|
func_to_switch = CURRENT_LIMIT_600;
|
|
|
|
break;
|
|
|
|
case CURRENT_LIMIT_400:
|
|
if (sd_card->func_group4_mask & CURRENT_LIMIT_400_MASK)
|
|
func_to_switch = CURRENT_LIMIT_400;
|
|
|
|
break;
|
|
|
|
case CURRENT_LIMIT_200:
|
|
if (sd_card->func_group4_mask & CURRENT_LIMIT_200_MASK)
|
|
func_to_switch = CURRENT_LIMIT_200;
|
|
|
|
break;
|
|
|
|
default:
|
|
continue;
|
|
}
|
|
|
|
if (func_to_switch != 0xFF)
|
|
break;
|
|
}
|
|
|
|
dev_dbg(rtsx_dev(chip), "SD_FUNC_GROUP_4: func_to_switch = 0x%02x",
|
|
func_to_switch);
|
|
|
|
if (func_to_switch <= CURRENT_LIMIT_800) {
|
|
retval = sd_check_switch(chip, SD_FUNC_GROUP_4, func_to_switch,
|
|
bus_width);
|
|
if (retval != STATUS_SUCCESS) {
|
|
if (sd_check_err_code(chip, SD_NO_CARD)) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
}
|
|
dev_dbg(rtsx_dev(chip), "Switch current limit finished! (%d)\n",
|
|
retval);
|
|
}
|
|
|
|
if (CHK_SD_DDR50(sd_card)) {
|
|
retval = rtsx_write_register(chip, SD_PUSH_POINT_CTL, 0x06, 0);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int sd_wait_data_idle(struct rtsx_chip *chip)
|
|
{
|
|
int retval = STATUS_TIMEDOUT;
|
|
int i;
|
|
u8 val = 0;
|
|
|
|
for (i = 0; i < 100; i++) {
|
|
retval = rtsx_read_register(chip, SD_DATA_STATE, &val);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
if (val & SD_DATA_IDLE) {
|
|
retval = STATUS_SUCCESS;
|
|
break;
|
|
}
|
|
udelay(100);
|
|
}
|
|
dev_dbg(rtsx_dev(chip), "SD_DATA_STATE: 0x%02x\n", val);
|
|
|
|
return retval;
|
|
}
|
|
|
|
static int sd_sdr_tuning_rx_cmd(struct rtsx_chip *chip, u8 sample_point)
|
|
{
|
|
int retval;
|
|
u8 cmd[5];
|
|
|
|
retval = sd_change_phase(chip, sample_point, TUNE_RX);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
cmd[0] = 0x40 | SEND_TUNING_PATTERN;
|
|
cmd[1] = 0;
|
|
cmd[2] = 0;
|
|
cmd[3] = 0;
|
|
cmd[4] = 0;
|
|
|
|
retval = sd_read_data(chip, SD_TM_AUTO_TUNING, cmd, 5, 0x40, 1,
|
|
SD_BUS_WIDTH_4, NULL, 0, 100);
|
|
if (retval != STATUS_SUCCESS) {
|
|
(void)sd_wait_data_idle(chip);
|
|
|
|
rtsx_clear_sd_error(chip);
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int sd_ddr_tuning_rx_cmd(struct rtsx_chip *chip, u8 sample_point)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int retval;
|
|
u8 cmd[5];
|
|
|
|
retval = sd_change_phase(chip, sample_point, TUNE_RX);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
dev_dbg(rtsx_dev(chip), "sd ddr tuning rx\n");
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr,
|
|
SD_RSP_TYPE_R1, NULL, 0);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
cmd[0] = 0x40 | SD_STATUS;
|
|
cmd[1] = 0;
|
|
cmd[2] = 0;
|
|
cmd[3] = 0;
|
|
cmd[4] = 0;
|
|
|
|
retval = sd_read_data(chip, SD_TM_NORMAL_READ, cmd, 5, 64, 1,
|
|
SD_BUS_WIDTH_4, NULL, 0, 100);
|
|
if (retval != STATUS_SUCCESS) {
|
|
(void)sd_wait_data_idle(chip);
|
|
|
|
rtsx_clear_sd_error(chip);
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int mmc_ddr_tunning_rx_cmd(struct rtsx_chip *chip, u8 sample_point)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int retval;
|
|
u8 cmd[5], bus_width;
|
|
|
|
if (CHK_MMC_8BIT(sd_card))
|
|
bus_width = SD_BUS_WIDTH_8;
|
|
else if (CHK_MMC_4BIT(sd_card))
|
|
bus_width = SD_BUS_WIDTH_4;
|
|
else
|
|
bus_width = SD_BUS_WIDTH_1;
|
|
|
|
retval = sd_change_phase(chip, sample_point, TUNE_RX);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
dev_dbg(rtsx_dev(chip), "mmc ddr tuning rx\n");
|
|
|
|
cmd[0] = 0x40 | SEND_EXT_CSD;
|
|
cmd[1] = 0;
|
|
cmd[2] = 0;
|
|
cmd[3] = 0;
|
|
cmd[4] = 0;
|
|
|
|
retval = sd_read_data(chip, SD_TM_NORMAL_READ, cmd, 5, 0x200, 1,
|
|
bus_width, NULL, 0, 100);
|
|
if (retval != STATUS_SUCCESS) {
|
|
(void)sd_wait_data_idle(chip);
|
|
|
|
rtsx_clear_sd_error(chip);
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int sd_sdr_tuning_tx_cmd(struct rtsx_chip *chip, u8 sample_point)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int retval;
|
|
|
|
retval = sd_change_phase(chip, sample_point, TUNE_TX);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = rtsx_write_register(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN,
|
|
SD_RSP_80CLK_TIMEOUT_EN);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
|
|
SD_RSP_TYPE_R1, NULL, 0);
|
|
if (retval != STATUS_SUCCESS) {
|
|
if (sd_check_err_code(chip, SD_RSP_TIMEOUT)) {
|
|
rtsx_write_register(chip, SD_CFG3,
|
|
SD_RSP_80CLK_TIMEOUT_EN, 0);
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
}
|
|
|
|
retval = rtsx_write_register(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN,
|
|
0);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int sd_ddr_tuning_tx_cmd(struct rtsx_chip *chip, u8 sample_point)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int retval;
|
|
u8 cmd[5], bus_width;
|
|
|
|
retval = sd_change_phase(chip, sample_point, TUNE_TX);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
if (CHK_SD(sd_card)) {
|
|
bus_width = SD_BUS_WIDTH_4;
|
|
} else {
|
|
if (CHK_MMC_8BIT(sd_card))
|
|
bus_width = SD_BUS_WIDTH_8;
|
|
else if (CHK_MMC_4BIT(sd_card))
|
|
bus_width = SD_BUS_WIDTH_4;
|
|
else
|
|
bus_width = SD_BUS_WIDTH_1;
|
|
}
|
|
|
|
retval = sd_wait_state_data_ready(chip, 0x08, 1, 1000);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = rtsx_write_register(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN,
|
|
SD_RSP_80CLK_TIMEOUT_EN);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
|
|
cmd[0] = 0x40 | PROGRAM_CSD;
|
|
cmd[1] = 0;
|
|
cmd[2] = 0;
|
|
cmd[3] = 0;
|
|
cmd[4] = 0;
|
|
|
|
retval = sd_write_data(chip, SD_TM_AUTO_WRITE_2, cmd, 5, 16, 1,
|
|
bus_width, sd_card->raw_csd, 16, 100);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_clear_sd_error(chip);
|
|
rtsx_write_register(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN, 0);
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = rtsx_write_register(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN,
|
|
0);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
|
|
sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr, SD_RSP_TYPE_R1,
|
|
NULL, 0);
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static u8 sd_search_final_phase(struct rtsx_chip *chip, u32 phase_map,
|
|
u8 tune_dir)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
struct timing_phase_path path[MAX_PHASE + 1];
|
|
int i, j, cont_path_cnt;
|
|
bool new_block;
|
|
int max_len, final_path_idx;
|
|
u8 final_phase = 0xFF;
|
|
|
|
if (phase_map == 0xFFFFFFFF) {
|
|
if (tune_dir == TUNE_RX)
|
|
final_phase = (u8)chip->sd_default_rx_phase;
|
|
else
|
|
final_phase = (u8)chip->sd_default_tx_phase;
|
|
|
|
goto search_finish;
|
|
}
|
|
|
|
cont_path_cnt = 0;
|
|
new_block = true;
|
|
j = 0;
|
|
for (i = 0; i < MAX_PHASE + 1; i++) {
|
|
if (phase_map & (1 << i)) {
|
|
if (new_block) {
|
|
new_block = false;
|
|
j = cont_path_cnt++;
|
|
path[j].start = i;
|
|
path[j].end = i;
|
|
} else {
|
|
path[j].end = i;
|
|
}
|
|
} else {
|
|
new_block = true;
|
|
if (cont_path_cnt) {
|
|
int idx = cont_path_cnt - 1;
|
|
|
|
path[idx].len = path[idx].end -
|
|
path[idx].start + 1;
|
|
path[idx].mid = path[idx].start +
|
|
path[idx].len / 2;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (cont_path_cnt == 0) {
|
|
dev_dbg(rtsx_dev(chip), "No continuous phase path\n");
|
|
goto search_finish;
|
|
} else {
|
|
int idx = cont_path_cnt - 1;
|
|
|
|
path[idx].len = path[idx].end - path[idx].start + 1;
|
|
path[idx].mid = path[idx].start + path[idx].len / 2;
|
|
}
|
|
|
|
if ((path[0].start == 0) &&
|
|
(path[cont_path_cnt - 1].end == MAX_PHASE)) {
|
|
path[0].start = path[cont_path_cnt - 1].start - MAX_PHASE - 1;
|
|
path[0].len += path[cont_path_cnt - 1].len;
|
|
path[0].mid = path[0].start + path[0].len / 2;
|
|
if (path[0].mid < 0)
|
|
path[0].mid += MAX_PHASE + 1;
|
|
|
|
cont_path_cnt--;
|
|
}
|
|
|
|
max_len = 0;
|
|
final_phase = 0;
|
|
final_path_idx = 0;
|
|
for (i = 0; i < cont_path_cnt; i++) {
|
|
if (path[i].len > max_len) {
|
|
max_len = path[i].len;
|
|
final_phase = (u8)path[i].mid;
|
|
final_path_idx = i;
|
|
}
|
|
|
|
dev_dbg(rtsx_dev(chip), "path[%d].start = %d\n",
|
|
i, path[i].start);
|
|
dev_dbg(rtsx_dev(chip), "path[%d].end = %d\n", i, path[i].end);
|
|
dev_dbg(rtsx_dev(chip), "path[%d].len = %d\n", i, path[i].len);
|
|
dev_dbg(rtsx_dev(chip), "path[%d].mid = %d\n", i, path[i].mid);
|
|
dev_dbg(rtsx_dev(chip), "\n");
|
|
}
|
|
|
|
if (tune_dir == TUNE_TX) {
|
|
if (CHK_SD_SDR104(sd_card)) {
|
|
if (max_len > 15) {
|
|
int temp_mid = (max_len - 16) / 2;
|
|
int temp_final_phase =
|
|
path[final_path_idx].end -
|
|
(max_len - (6 + temp_mid));
|
|
|
|
if (temp_final_phase < 0)
|
|
final_phase = (u8)(temp_final_phase +
|
|
MAX_PHASE + 1);
|
|
else
|
|
final_phase = (u8)temp_final_phase;
|
|
}
|
|
} else if (CHK_SD_SDR50(sd_card)) {
|
|
if (max_len > 12) {
|
|
int temp_mid = (max_len - 13) / 2;
|
|
int temp_final_phase =
|
|
path[final_path_idx].end -
|
|
(max_len - (3 + temp_mid));
|
|
|
|
if (temp_final_phase < 0)
|
|
final_phase = (u8)(temp_final_phase +
|
|
MAX_PHASE + 1);
|
|
else
|
|
final_phase = (u8)temp_final_phase;
|
|
}
|
|
}
|
|
}
|
|
|
|
search_finish:
|
|
dev_dbg(rtsx_dev(chip), "Final chosen phase: %d\n", final_phase);
|
|
return final_phase;
|
|
}
|
|
|
|
static int sd_tuning_rx(struct rtsx_chip *chip)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int retval;
|
|
int i, j;
|
|
u32 raw_phase_map[3], phase_map;
|
|
u8 final_phase;
|
|
int (*tuning_cmd)(struct rtsx_chip *chip, u8 sample_point);
|
|
|
|
if (CHK_SD(sd_card)) {
|
|
if (CHK_SD_DDR50(sd_card))
|
|
tuning_cmd = sd_ddr_tuning_rx_cmd;
|
|
else
|
|
tuning_cmd = sd_sdr_tuning_rx_cmd;
|
|
|
|
} else {
|
|
if (CHK_MMC_DDR52(sd_card)) {
|
|
tuning_cmd = mmc_ddr_tunning_rx_cmd;
|
|
} else {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
raw_phase_map[i] = 0;
|
|
for (j = MAX_PHASE; j >= 0; j--) {
|
|
if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) {
|
|
sd_set_err_code(chip, SD_NO_CARD);
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = tuning_cmd(chip, (u8)j);
|
|
if (retval == STATUS_SUCCESS)
|
|
raw_phase_map[i] |= 1 << j;
|
|
}
|
|
}
|
|
|
|
phase_map = raw_phase_map[0] & raw_phase_map[1] & raw_phase_map[2];
|
|
for (i = 0; i < 3; i++)
|
|
dev_dbg(rtsx_dev(chip), "RX raw_phase_map[%d] = 0x%08x\n",
|
|
i, raw_phase_map[i]);
|
|
|
|
dev_dbg(rtsx_dev(chip), "RX phase_map = 0x%08x\n", phase_map);
|
|
|
|
final_phase = sd_search_final_phase(chip, phase_map, TUNE_RX);
|
|
if (final_phase == 0xFF) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = sd_change_phase(chip, final_phase, TUNE_RX);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int sd_ddr_pre_tuning_tx(struct rtsx_chip *chip)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int retval;
|
|
int i;
|
|
u32 phase_map;
|
|
u8 final_phase;
|
|
|
|
retval = rtsx_write_register(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN,
|
|
SD_RSP_80CLK_TIMEOUT_EN);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
|
|
phase_map = 0;
|
|
for (i = MAX_PHASE; i >= 0; i--) {
|
|
if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) {
|
|
sd_set_err_code(chip, SD_NO_CARD);
|
|
rtsx_write_register(chip, SD_CFG3,
|
|
SD_RSP_80CLK_TIMEOUT_EN, 0);
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = sd_change_phase(chip, (u8)i, TUNE_TX);
|
|
if (retval != STATUS_SUCCESS)
|
|
continue;
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, SEND_STATUS,
|
|
sd_card->sd_addr, SD_RSP_TYPE_R1,
|
|
NULL, 0);
|
|
if ((retval == STATUS_SUCCESS) ||
|
|
!sd_check_err_code(chip, SD_RSP_TIMEOUT))
|
|
phase_map |= 1 << i;
|
|
}
|
|
|
|
retval = rtsx_write_register(chip, SD_CFG3, SD_RSP_80CLK_TIMEOUT_EN,
|
|
0);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
|
|
dev_dbg(rtsx_dev(chip), "DDR TX pre tune phase_map = 0x%08x\n",
|
|
phase_map);
|
|
|
|
final_phase = sd_search_final_phase(chip, phase_map, TUNE_TX);
|
|
if (final_phase == 0xFF) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = sd_change_phase(chip, final_phase, TUNE_TX);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
dev_dbg(rtsx_dev(chip), "DDR TX pre tune phase: %d\n",
|
|
(int)final_phase);
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int sd_tuning_tx(struct rtsx_chip *chip)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int retval;
|
|
int i, j;
|
|
u32 raw_phase_map[3], phase_map;
|
|
u8 final_phase;
|
|
int (*tuning_cmd)(struct rtsx_chip *chip, u8 sample_point);
|
|
|
|
if (CHK_SD(sd_card)) {
|
|
if (CHK_SD_DDR50(sd_card))
|
|
tuning_cmd = sd_ddr_tuning_tx_cmd;
|
|
else
|
|
tuning_cmd = sd_sdr_tuning_tx_cmd;
|
|
|
|
} else {
|
|
if (CHK_MMC_DDR52(sd_card)) {
|
|
tuning_cmd = sd_ddr_tuning_tx_cmd;
|
|
} else {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
raw_phase_map[i] = 0;
|
|
for (j = MAX_PHASE; j >= 0; j--) {
|
|
if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) {
|
|
sd_set_err_code(chip, SD_NO_CARD);
|
|
rtsx_write_register(chip, SD_CFG3,
|
|
SD_RSP_80CLK_TIMEOUT_EN, 0);
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = tuning_cmd(chip, (u8)j);
|
|
if (retval == STATUS_SUCCESS)
|
|
raw_phase_map[i] |= 1 << j;
|
|
}
|
|
}
|
|
|
|
phase_map = raw_phase_map[0] & raw_phase_map[1] & raw_phase_map[2];
|
|
for (i = 0; i < 3; i++)
|
|
dev_dbg(rtsx_dev(chip), "TX raw_phase_map[%d] = 0x%08x\n",
|
|
i, raw_phase_map[i]);
|
|
|
|
dev_dbg(rtsx_dev(chip), "TX phase_map = 0x%08x\n", phase_map);
|
|
|
|
final_phase = sd_search_final_phase(chip, phase_map, TUNE_TX);
|
|
if (final_phase == 0xFF) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = sd_change_phase(chip, final_phase, TUNE_TX);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int sd_sdr_tuning(struct rtsx_chip *chip)
|
|
{
|
|
int retval;
|
|
|
|
retval = sd_tuning_tx(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = sd_tuning_rx(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int sd_ddr_tuning(struct rtsx_chip *chip)
|
|
{
|
|
int retval;
|
|
|
|
if (!(chip->sd_ctl & SD_DDR_TX_PHASE_SET_BY_USER)) {
|
|
retval = sd_ddr_pre_tuning_tx(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
} else {
|
|
retval = sd_change_phase(chip, (u8)chip->sd_ddr_tx_phase,
|
|
TUNE_TX);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
}
|
|
|
|
retval = sd_tuning_rx(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
if (!(chip->sd_ctl & SD_DDR_TX_PHASE_SET_BY_USER)) {
|
|
retval = sd_tuning_tx(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int mmc_ddr_tuning(struct rtsx_chip *chip)
|
|
{
|
|
int retval;
|
|
|
|
if (!(chip->sd_ctl & MMC_DDR_TX_PHASE_SET_BY_USER)) {
|
|
retval = sd_ddr_pre_tuning_tx(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
} else {
|
|
retval = sd_change_phase(chip, (u8)chip->mmc_ddr_tx_phase,
|
|
TUNE_TX);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
}
|
|
|
|
retval = sd_tuning_rx(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
if (!(chip->sd_ctl & MMC_DDR_TX_PHASE_SET_BY_USER)) {
|
|
retval = sd_tuning_tx(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
int sd_switch_clock(struct rtsx_chip *chip)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int retval;
|
|
int re_tuning = 0;
|
|
|
|
retval = select_card(chip, SD_CARD);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = switch_clock(chip, sd_card->sd_clock);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
if (re_tuning) {
|
|
if (CHK_SD(sd_card)) {
|
|
if (CHK_SD_DDR50(sd_card))
|
|
retval = sd_ddr_tuning(chip);
|
|
else
|
|
retval = sd_sdr_tuning(chip);
|
|
} else {
|
|
if (CHK_MMC_DDR52(sd_card))
|
|
retval = mmc_ddr_tuning(chip);
|
|
}
|
|
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int sd_prepare_reset(struct rtsx_chip *chip)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int retval;
|
|
|
|
if (chip->asic_code)
|
|
sd_card->sd_clock = 29;
|
|
else
|
|
sd_card->sd_clock = CLK_30;
|
|
|
|
sd_card->sd_type = 0;
|
|
sd_card->seq_mode = 0;
|
|
sd_card->sd_data_buf_ready = 0;
|
|
sd_card->capacity = 0;
|
|
|
|
#ifdef SUPPORT_SD_LOCK
|
|
sd_card->sd_lock_status = 0;
|
|
sd_card->sd_erase_status = 0;
|
|
#endif
|
|
|
|
chip->capacity[chip->card2lun[SD_CARD]] = 0;
|
|
chip->sd_io = 0;
|
|
|
|
retval = sd_set_init_para(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
|
|
retval = rtsx_write_register(chip, REG_SD_CFG1, 0xFF, 0x40);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
|
|
retval = rtsx_write_register(chip, CARD_STOP, SD_STOP | SD_CLR_ERR,
|
|
SD_STOP | SD_CLR_ERR);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
|
|
retval = select_card(chip, SD_CARD);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int sd_pull_ctl_disable(struct rtsx_chip *chip)
|
|
{
|
|
int retval;
|
|
|
|
if (CHECK_PID(chip, 0x5208)) {
|
|
retval = rtsx_write_register(chip, CARD_PULL_CTL1, 0xFF,
|
|
XD_D3_PD | SD_D7_PD | SD_CLK_PD |
|
|
SD_D5_PD);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
retval = rtsx_write_register(chip, CARD_PULL_CTL2, 0xFF,
|
|
SD_D6_PD | SD_D0_PD | SD_D1_PD |
|
|
XD_D5_PD);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
retval = rtsx_write_register(chip, CARD_PULL_CTL3, 0xFF,
|
|
SD_D4_PD | XD_CE_PD | XD_CLE_PD |
|
|
XD_CD_PU);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
retval = rtsx_write_register(chip, CARD_PULL_CTL4, 0xFF,
|
|
XD_RDY_PD | SD_D3_PD | SD_D2_PD |
|
|
XD_ALE_PD);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
retval = rtsx_write_register(chip, CARD_PULL_CTL5, 0xFF,
|
|
MS_INS_PU | SD_WP_PD | SD_CD_PU |
|
|
SD_CMD_PD);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
retval = rtsx_write_register(chip, CARD_PULL_CTL6, 0xFF,
|
|
MS_D5_PD | MS_D4_PD);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
} else if (CHECK_PID(chip, 0x5288)) {
|
|
if (CHECK_BARO_PKG(chip, QFN)) {
|
|
retval = rtsx_write_register(chip, CARD_PULL_CTL1,
|
|
0xFF, 0x55);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
retval = rtsx_write_register(chip, CARD_PULL_CTL2,
|
|
0xFF, 0x55);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
retval = rtsx_write_register(chip, CARD_PULL_CTL3,
|
|
0xFF, 0x4B);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
retval = rtsx_write_register(chip, CARD_PULL_CTL4,
|
|
0xFF, 0x69);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
}
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
int sd_pull_ctl_enable(struct rtsx_chip *chip)
|
|
{
|
|
int retval;
|
|
|
|
rtsx_init_cmd(chip);
|
|
|
|
if (CHECK_PID(chip, 0x5208)) {
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF,
|
|
XD_D3_PD | SD_DAT7_PU | SD_CLK_NP | SD_D5_PU);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF,
|
|
SD_D6_PU | SD_D0_PU | SD_D1_PU | XD_D5_PD);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF,
|
|
SD_D4_PU | XD_CE_PD | XD_CLE_PD | XD_CD_PU);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF,
|
|
XD_RDY_PD | SD_D3_PU | SD_D2_PU | XD_ALE_PD);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL5, 0xFF,
|
|
MS_INS_PU | SD_WP_PU | SD_CD_PU | SD_CMD_PU);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL6, 0xFF,
|
|
MS_D5_PD | MS_D4_PD);
|
|
} else if (CHECK_PID(chip, 0x5288)) {
|
|
if (CHECK_BARO_PKG(chip, QFN)) {
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL1, 0xFF,
|
|
0xA8);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL2, 0xFF,
|
|
0x5A);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL3, 0xFF,
|
|
0x95);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_PULL_CTL4, 0xFF,
|
|
0xAA);
|
|
}
|
|
}
|
|
|
|
retval = rtsx_send_cmd(chip, SD_CARD, 100);
|
|
if (retval < 0) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int sd_init_power(struct rtsx_chip *chip)
|
|
{
|
|
int retval;
|
|
|
|
retval = sd_power_off_card3v3(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
if (!chip->ft2_fast_mode)
|
|
wait_timeout(250);
|
|
|
|
retval = enable_card_clock(chip, SD_CARD);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
if (chip->asic_code) {
|
|
retval = sd_pull_ctl_enable(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
} else {
|
|
retval = rtsx_write_register(chip, FPGA_PULL_CTL,
|
|
FPGA_SD_PULL_CTL_BIT | 0x20, 0);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
}
|
|
|
|
if (!chip->ft2_fast_mode) {
|
|
retval = card_power_on(chip, SD_CARD);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
wait_timeout(260);
|
|
|
|
#ifdef SUPPORT_OCP
|
|
if (chip->ocp_stat & (SD_OC_NOW | SD_OC_EVER)) {
|
|
dev_dbg(rtsx_dev(chip), "Over current, OCPSTAT is 0x%x\n",
|
|
chip->ocp_stat);
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
retval = rtsx_write_register(chip, CARD_OE, SD_OUTPUT_EN,
|
|
SD_OUTPUT_EN);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int sd_dummy_clock(struct rtsx_chip *chip)
|
|
{
|
|
int retval;
|
|
|
|
retval = rtsx_write_register(chip, REG_SD_CFG3, 0x01, 0x01);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
wait_timeout(5);
|
|
retval = rtsx_write_register(chip, REG_SD_CFG3, 0x01, 0);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int sd_read_lba0(struct rtsx_chip *chip)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int retval;
|
|
u8 cmd[5], bus_width;
|
|
|
|
cmd[0] = 0x40 | READ_SINGLE_BLOCK;
|
|
cmd[1] = 0;
|
|
cmd[2] = 0;
|
|
cmd[3] = 0;
|
|
cmd[4] = 0;
|
|
|
|
if (CHK_SD(sd_card)) {
|
|
bus_width = SD_BUS_WIDTH_4;
|
|
} else {
|
|
if (CHK_MMC_8BIT(sd_card))
|
|
bus_width = SD_BUS_WIDTH_8;
|
|
else if (CHK_MMC_4BIT(sd_card))
|
|
bus_width = SD_BUS_WIDTH_4;
|
|
else
|
|
bus_width = SD_BUS_WIDTH_1;
|
|
}
|
|
|
|
retval = sd_read_data(chip, SD_TM_NORMAL_READ, cmd, 5, 512, 1,
|
|
bus_width, NULL, 0, 100);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_clear_sd_error(chip);
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int sd_check_wp_state(struct rtsx_chip *chip)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int retval;
|
|
u32 val;
|
|
u16 sd_card_type;
|
|
u8 cmd[5], buf[64];
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr,
|
|
SD_RSP_TYPE_R1, NULL, 0);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
cmd[0] = 0x40 | SD_STATUS;
|
|
cmd[1] = 0;
|
|
cmd[2] = 0;
|
|
cmd[3] = 0;
|
|
cmd[4] = 0;
|
|
|
|
retval = sd_read_data(chip, SD_TM_NORMAL_READ, cmd, 5, 64, 1,
|
|
SD_BUS_WIDTH_4, buf, 64, 250);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_clear_sd_error(chip);
|
|
|
|
sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
|
|
SD_RSP_TYPE_R1, NULL, 0);
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
dev_dbg(rtsx_dev(chip), "ACMD13:\n");
|
|
dev_dbg(rtsx_dev(chip), "%*ph\n", 64, buf);
|
|
|
|
sd_card_type = ((u16)buf[2] << 8) | buf[3];
|
|
dev_dbg(rtsx_dev(chip), "sd_card_type = 0x%04x\n", sd_card_type);
|
|
if ((sd_card_type == 0x0001) || (sd_card_type == 0x0002)) {
|
|
/* ROM card or OTP */
|
|
chip->card_wp |= SD_CARD;
|
|
}
|
|
|
|
/* Check SD Machanical Write-Protect Switch */
|
|
val = rtsx_readl(chip, RTSX_BIPR);
|
|
if (val & SD_WRITE_PROTECT)
|
|
chip->card_wp |= SD_CARD;
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int reset_sd(struct rtsx_chip *chip)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
bool hi_cap_flow = false;
|
|
int retval, i = 0, j = 0, k = 0;
|
|
bool sd_dont_switch = false;
|
|
bool support_1v8 = false;
|
|
bool try_sdio = true;
|
|
u8 rsp[16];
|
|
u8 switch_bus_width;
|
|
u32 voltage = 0;
|
|
bool sd20_mode = false;
|
|
|
|
SET_SD(sd_card);
|
|
|
|
switch_fail:
|
|
|
|
i = 0;
|
|
j = 0;
|
|
k = 0;
|
|
hi_cap_flow = false;
|
|
|
|
#ifdef SUPPORT_SD_LOCK
|
|
if (sd_card->sd_lock_status & SD_UNLOCK_POW_ON)
|
|
goto SD_UNLOCK_ENTRY;
|
|
#endif
|
|
|
|
retval = sd_prepare_reset(chip);
|
|
if (retval != STATUS_SUCCESS)
|
|
goto status_fail;
|
|
|
|
retval = sd_dummy_clock(chip);
|
|
if (retval != STATUS_SUCCESS)
|
|
goto status_fail;
|
|
|
|
if (CHK_SDIO_EXIST(chip) && !CHK_SDIO_IGNORED(chip) && try_sdio) {
|
|
int rty_cnt = 0;
|
|
|
|
for (; rty_cnt < chip->sdio_retry_cnt; rty_cnt++) {
|
|
if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) {
|
|
sd_set_err_code(chip, SD_NO_CARD);
|
|
goto status_fail;
|
|
}
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, IO_SEND_OP_COND, 0,
|
|
SD_RSP_TYPE_R4, rsp, 5);
|
|
if (retval == STATUS_SUCCESS) {
|
|
int func_num = (rsp[1] >> 4) & 0x07;
|
|
|
|
if (func_num) {
|
|
dev_dbg(rtsx_dev(chip), "SD_IO card (Function number: %d)!\n",
|
|
func_num);
|
|
chip->sd_io = 1;
|
|
goto status_fail;
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
sd_init_power(chip);
|
|
|
|
sd_dummy_clock(chip);
|
|
}
|
|
|
|
dev_dbg(rtsx_dev(chip), "Normal card!\n");
|
|
}
|
|
|
|
/* Start Initialization Process of SD Card */
|
|
RTY_SD_RST:
|
|
retval = sd_send_cmd_get_rsp(chip, GO_IDLE_STATE, 0, SD_RSP_TYPE_R0,
|
|
NULL, 0);
|
|
if (retval != STATUS_SUCCESS)
|
|
goto status_fail;
|
|
|
|
wait_timeout(20);
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, SEND_IF_COND, 0x000001AA,
|
|
SD_RSP_TYPE_R7, rsp, 5);
|
|
if (retval == STATUS_SUCCESS) {
|
|
if ((rsp[4] == 0xAA) && ((rsp[3] & 0x0f) == 0x01)) {
|
|
hi_cap_flow = true;
|
|
voltage = SUPPORT_VOLTAGE | 0x40000000;
|
|
}
|
|
}
|
|
|
|
if (!hi_cap_flow) {
|
|
voltage = SUPPORT_VOLTAGE;
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, GO_IDLE_STATE, 0,
|
|
SD_RSP_TYPE_R0, NULL, 0);
|
|
if (retval != STATUS_SUCCESS)
|
|
goto status_fail;
|
|
|
|
wait_timeout(20);
|
|
}
|
|
|
|
do {
|
|
retval = sd_send_cmd_get_rsp(chip, APP_CMD, 0, SD_RSP_TYPE_R1,
|
|
NULL, 0);
|
|
if (retval != STATUS_SUCCESS) {
|
|
if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) {
|
|
sd_set_err_code(chip, SD_NO_CARD);
|
|
goto status_fail;
|
|
}
|
|
|
|
j++;
|
|
if (j < 3)
|
|
goto RTY_SD_RST;
|
|
else
|
|
goto status_fail;
|
|
}
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, SD_APP_OP_COND, voltage,
|
|
SD_RSP_TYPE_R3, rsp, 5);
|
|
if (retval != STATUS_SUCCESS) {
|
|
k++;
|
|
if (k < 3)
|
|
goto RTY_SD_RST;
|
|
else
|
|
goto status_fail;
|
|
}
|
|
|
|
i++;
|
|
wait_timeout(20);
|
|
} while (!(rsp[1] & 0x80) && (i < 255));
|
|
|
|
if (i == 255)
|
|
goto status_fail;
|
|
|
|
if (hi_cap_flow) {
|
|
if (rsp[1] & 0x40)
|
|
SET_SD_HCXC(sd_card);
|
|
else
|
|
CLR_SD_HCXC(sd_card);
|
|
|
|
support_1v8 = false;
|
|
} else {
|
|
CLR_SD_HCXC(sd_card);
|
|
support_1v8 = false;
|
|
}
|
|
dev_dbg(rtsx_dev(chip), "support_1v8 = %d\n", support_1v8);
|
|
|
|
if (support_1v8) {
|
|
retval = sd_voltage_switch(chip);
|
|
if (retval != STATUS_SUCCESS)
|
|
goto status_fail;
|
|
}
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, ALL_SEND_CID, 0, SD_RSP_TYPE_R2,
|
|
NULL, 0);
|
|
if (retval != STATUS_SUCCESS)
|
|
goto status_fail;
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
retval = sd_send_cmd_get_rsp(chip, SEND_RELATIVE_ADDR, 0,
|
|
SD_RSP_TYPE_R6, rsp, 5);
|
|
if (retval != STATUS_SUCCESS)
|
|
goto status_fail;
|
|
|
|
sd_card->sd_addr = (u32)rsp[1] << 24;
|
|
sd_card->sd_addr += (u32)rsp[2] << 16;
|
|
|
|
if (sd_card->sd_addr)
|
|
break;
|
|
}
|
|
|
|
retval = sd_check_csd(chip, 1);
|
|
if (retval != STATUS_SUCCESS)
|
|
goto status_fail;
|
|
|
|
retval = sd_select_card(chip, 1);
|
|
if (retval != STATUS_SUCCESS)
|
|
goto status_fail;
|
|
|
|
#ifdef SUPPORT_SD_LOCK
|
|
SD_UNLOCK_ENTRY:
|
|
retval = sd_update_lock_status(chip);
|
|
if (retval != STATUS_SUCCESS)
|
|
goto status_fail;
|
|
|
|
if (sd_card->sd_lock_status & SD_LOCKED) {
|
|
sd_card->sd_lock_status |= (SD_LOCK_1BIT_MODE | SD_PWD_EXIST);
|
|
return STATUS_SUCCESS;
|
|
} else if (!(sd_card->sd_lock_status & SD_UNLOCK_POW_ON)) {
|
|
sd_card->sd_lock_status &= ~SD_PWD_EXIST;
|
|
}
|
|
#endif
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr,
|
|
SD_RSP_TYPE_R1, NULL, 0);
|
|
if (retval != STATUS_SUCCESS)
|
|
goto status_fail;
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, SET_CLR_CARD_DETECT, 0,
|
|
SD_RSP_TYPE_R1, NULL, 0);
|
|
if (retval != STATUS_SUCCESS)
|
|
goto status_fail;
|
|
|
|
if (support_1v8) {
|
|
retval = sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr,
|
|
SD_RSP_TYPE_R1, NULL, 0);
|
|
if (retval != STATUS_SUCCESS)
|
|
goto status_fail;
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, SET_BUS_WIDTH, 2,
|
|
SD_RSP_TYPE_R1, NULL, 0);
|
|
if (retval != STATUS_SUCCESS)
|
|
goto status_fail;
|
|
|
|
switch_bus_width = SD_BUS_WIDTH_4;
|
|
} else {
|
|
switch_bus_width = SD_BUS_WIDTH_1;
|
|
}
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, 0x200, SD_RSP_TYPE_R1,
|
|
NULL, 0);
|
|
if (retval != STATUS_SUCCESS)
|
|
goto status_fail;
|
|
|
|
retval = sd_set_clock_divider(chip, SD_CLK_DIVIDE_0);
|
|
if (retval != STATUS_SUCCESS)
|
|
goto status_fail;
|
|
|
|
if (!(sd_card->raw_csd[4] & 0x40))
|
|
sd_dont_switch = true;
|
|
|
|
if (!sd_dont_switch) {
|
|
if (sd20_mode) {
|
|
/* Set sd_switch_fail here, because we needn't
|
|
* switch to UHS mode
|
|
*/
|
|
sd_card->sd_switch_fail = SDR104_SUPPORT_MASK |
|
|
DDR50_SUPPORT_MASK | SDR50_SUPPORT_MASK;
|
|
}
|
|
|
|
/* Check the card whether follow SD1.1 spec or higher */
|
|
retval = sd_check_spec(chip, switch_bus_width);
|
|
if (retval == STATUS_SUCCESS) {
|
|
retval = sd_switch_function(chip, switch_bus_width);
|
|
if (retval != STATUS_SUCCESS) {
|
|
sd_init_power(chip);
|
|
sd_dont_switch = true;
|
|
try_sdio = false;
|
|
|
|
goto switch_fail;
|
|
}
|
|
} else {
|
|
if (support_1v8) {
|
|
sd_init_power(chip);
|
|
sd_dont_switch = true;
|
|
try_sdio = false;
|
|
|
|
goto switch_fail;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!support_1v8) {
|
|
retval = sd_send_cmd_get_rsp(chip, APP_CMD, sd_card->sd_addr,
|
|
SD_RSP_TYPE_R1, NULL, 0);
|
|
if (retval != STATUS_SUCCESS)
|
|
goto status_fail;
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, SET_BUS_WIDTH, 2,
|
|
SD_RSP_TYPE_R1, NULL, 0);
|
|
if (retval != STATUS_SUCCESS)
|
|
goto status_fail;
|
|
}
|
|
|
|
#ifdef SUPPORT_SD_LOCK
|
|
sd_card->sd_lock_status &= ~SD_LOCK_1BIT_MODE;
|
|
#endif
|
|
|
|
if (!sd20_mode && CHK_SD30_SPEED(sd_card)) {
|
|
int read_lba0 = 1;
|
|
|
|
retval = rtsx_write_register(chip, SD30_DRIVE_SEL, 0x07,
|
|
chip->sd30_drive_sel_1v8);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
|
|
retval = sd_set_init_para(chip);
|
|
if (retval != STATUS_SUCCESS)
|
|
goto status_fail;
|
|
|
|
if (CHK_SD_DDR50(sd_card))
|
|
retval = sd_ddr_tuning(chip);
|
|
else
|
|
retval = sd_sdr_tuning(chip);
|
|
|
|
if (retval != STATUS_SUCCESS) {
|
|
if (sd20_mode) {
|
|
goto status_fail;
|
|
} else {
|
|
retval = sd_init_power(chip);
|
|
if (retval != STATUS_SUCCESS)
|
|
goto status_fail;
|
|
|
|
try_sdio = false;
|
|
sd20_mode = true;
|
|
goto switch_fail;
|
|
}
|
|
}
|
|
|
|
sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
|
|
SD_RSP_TYPE_R1, NULL, 0);
|
|
|
|
if (CHK_SD_DDR50(sd_card)) {
|
|
retval = sd_wait_state_data_ready(chip, 0x08, 1, 1000);
|
|
if (retval != STATUS_SUCCESS)
|
|
read_lba0 = 0;
|
|
}
|
|
|
|
if (read_lba0) {
|
|
retval = sd_read_lba0(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
if (sd20_mode) {
|
|
goto status_fail;
|
|
} else {
|
|
retval = sd_init_power(chip);
|
|
if (retval != STATUS_SUCCESS)
|
|
goto status_fail;
|
|
|
|
try_sdio = false;
|
|
sd20_mode = true;
|
|
goto switch_fail;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
retval = sd_check_wp_state(chip);
|
|
if (retval != STATUS_SUCCESS)
|
|
goto status_fail;
|
|
|
|
chip->card_bus_width[chip->card2lun[SD_CARD]] = 4;
|
|
|
|
#ifdef SUPPORT_SD_LOCK
|
|
if (sd_card->sd_lock_status & SD_UNLOCK_POW_ON) {
|
|
retval = rtsx_write_register(chip, REG_SD_BLOCK_CNT_H, 0xFF,
|
|
0x02);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
retval = rtsx_write_register(chip, REG_SD_BLOCK_CNT_L, 0xFF,
|
|
0x00);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
return STATUS_SUCCESS;
|
|
|
|
status_fail:
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
static int mmc_test_switch_bus(struct rtsx_chip *chip, u8 width)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int retval;
|
|
u8 buf[8] = {0}, bus_width, *ptr;
|
|
u16 byte_cnt;
|
|
int len;
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, BUSTEST_W, 0, SD_RSP_TYPE_R1, NULL,
|
|
0);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return SWITCH_FAIL;
|
|
}
|
|
|
|
if (width == MMC_8BIT_BUS) {
|
|
buf[0] = 0x55;
|
|
buf[1] = 0xAA;
|
|
len = 8;
|
|
byte_cnt = 8;
|
|
bus_width = SD_BUS_WIDTH_8;
|
|
} else {
|
|
buf[0] = 0x5A;
|
|
len = 4;
|
|
byte_cnt = 4;
|
|
bus_width = SD_BUS_WIDTH_4;
|
|
}
|
|
|
|
retval = rtsx_write_register(chip, REG_SD_CFG3, 0x02, 0x02);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return SWITCH_ERR;
|
|
}
|
|
|
|
retval = sd_write_data(chip, SD_TM_AUTO_WRITE_3, NULL, 0, byte_cnt, 1,
|
|
bus_width, buf, len, 100);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_clear_sd_error(chip);
|
|
rtsx_write_register(chip, REG_SD_CFG3, 0x02, 0);
|
|
rtsx_trace(chip);
|
|
return SWITCH_ERR;
|
|
}
|
|
|
|
retval = rtsx_write_register(chip, REG_SD_CFG3, 0x02, 0);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return SWITCH_ERR;
|
|
}
|
|
|
|
dev_dbg(rtsx_dev(chip), "SD/MMC CMD %d\n", BUSTEST_R);
|
|
|
|
rtsx_init_cmd(chip);
|
|
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD0, 0xFF, 0x40 | BUSTEST_R);
|
|
|
|
if (width == MMC_8BIT_BUS)
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L,
|
|
0xFF, 0x08);
|
|
else
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L,
|
|
0xFF, 0x04);
|
|
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_L, 0xFF, 1);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_H, 0xFF, 0);
|
|
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF, SD_CALCULATE_CRC7 |
|
|
SD_NO_CHECK_CRC16 | SD_NO_WAIT_BUSY_END |
|
|
SD_CHECK_CRC7 | SD_RSP_LEN_6);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
|
|
PINGPONG_BUFFER);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF,
|
|
SD_TM_NORMAL_READ | SD_TRANSFER_START);
|
|
rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER, SD_TRANSFER_END,
|
|
SD_TRANSFER_END);
|
|
|
|
rtsx_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2, 0, 0);
|
|
if (width == MMC_8BIT_BUS)
|
|
rtsx_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 1, 0, 0);
|
|
|
|
retval = rtsx_send_cmd(chip, SD_CARD, 100);
|
|
if (retval < 0) {
|
|
rtsx_clear_sd_error(chip);
|
|
rtsx_trace(chip);
|
|
return SWITCH_ERR;
|
|
}
|
|
|
|
ptr = rtsx_get_cmd_data(chip) + 1;
|
|
|
|
if (width == MMC_8BIT_BUS) {
|
|
dev_dbg(rtsx_dev(chip), "BUSTEST_R [8bits]: 0x%02x 0x%02x\n",
|
|
ptr[0], ptr[1]);
|
|
if ((ptr[0] == 0xAA) && (ptr[1] == 0x55)) {
|
|
u8 rsp[5];
|
|
u32 arg;
|
|
|
|
if (CHK_MMC_DDR52(sd_card))
|
|
arg = 0x03B70600;
|
|
else
|
|
arg = 0x03B70200;
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, SWITCH, arg,
|
|
SD_RSP_TYPE_R1b, rsp, 5);
|
|
if ((retval == STATUS_SUCCESS) &&
|
|
!(rsp[4] & MMC_SWITCH_ERR))
|
|
return SWITCH_SUCCESS;
|
|
}
|
|
} else {
|
|
dev_dbg(rtsx_dev(chip), "BUSTEST_R [4bits]: 0x%02x\n", ptr[0]);
|
|
if (ptr[0] == 0xA5) {
|
|
u8 rsp[5];
|
|
u32 arg;
|
|
|
|
if (CHK_MMC_DDR52(sd_card))
|
|
arg = 0x03B70500;
|
|
else
|
|
arg = 0x03B70100;
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, SWITCH, arg,
|
|
SD_RSP_TYPE_R1b, rsp, 5);
|
|
if ((retval == STATUS_SUCCESS) &&
|
|
!(rsp[4] & MMC_SWITCH_ERR))
|
|
return SWITCH_SUCCESS;
|
|
}
|
|
}
|
|
|
|
rtsx_trace(chip);
|
|
return SWITCH_FAIL;
|
|
}
|
|
|
|
static int mmc_switch_timing_bus(struct rtsx_chip *chip, bool switch_ddr)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int retval;
|
|
u8 *ptr, card_type, card_type_mask = 0;
|
|
|
|
CLR_MMC_HS(sd_card);
|
|
|
|
dev_dbg(rtsx_dev(chip), "SD/MMC CMD %d\n", SEND_EXT_CSD);
|
|
|
|
rtsx_init_cmd(chip);
|
|
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD0, 0xFF,
|
|
0x40 | SEND_EXT_CSD);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD1, 0xFF, 0);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD2, 0xFF, 0);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD3, 0xFF, 0);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD4, 0xFF, 0);
|
|
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L, 0xFF, 0);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_H, 0xFF, 2);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_L, 0xFF, 1);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_H, 0xFF, 0);
|
|
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF,
|
|
SD_CALCULATE_CRC7 | SD_CHECK_CRC16 | SD_NO_WAIT_BUSY_END |
|
|
SD_CHECK_CRC7 | SD_RSP_LEN_6);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
|
|
PINGPONG_BUFFER);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF,
|
|
SD_TM_NORMAL_READ | SD_TRANSFER_START);
|
|
rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER, SD_TRANSFER_END,
|
|
SD_TRANSFER_END);
|
|
|
|
rtsx_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 196, 0xFF, 0);
|
|
rtsx_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 212, 0xFF, 0);
|
|
rtsx_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 213, 0xFF, 0);
|
|
rtsx_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 214, 0xFF, 0);
|
|
rtsx_add_cmd(chip, READ_REG_CMD, PPBUF_BASE2 + 215, 0xFF, 0);
|
|
|
|
retval = rtsx_send_cmd(chip, SD_CARD, 1000);
|
|
if (retval < 0) {
|
|
if (retval == -ETIMEDOUT) {
|
|
rtsx_clear_sd_error(chip);
|
|
sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
|
|
SD_RSP_TYPE_R1, NULL, 0);
|
|
}
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
ptr = rtsx_get_cmd_data(chip);
|
|
if (ptr[0] & SD_TRANSFER_ERR) {
|
|
sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
|
|
SD_RSP_TYPE_R1, NULL, 0);
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
if (CHK_MMC_SECTOR_MODE(sd_card)) {
|
|
sd_card->capacity = ((u32)ptr[5] << 24) | ((u32)ptr[4] << 16) |
|
|
((u32)ptr[3] << 8) | ((u32)ptr[2]);
|
|
}
|
|
|
|
card_type_mask = 0x03;
|
|
card_type = ptr[1] & card_type_mask;
|
|
if (card_type) {
|
|
u8 rsp[5];
|
|
|
|
if (card_type & 0x04) {
|
|
if (switch_ddr)
|
|
SET_MMC_DDR52(sd_card);
|
|
else
|
|
SET_MMC_52M(sd_card);
|
|
} else if (card_type & 0x02) {
|
|
SET_MMC_52M(sd_card);
|
|
} else {
|
|
SET_MMC_26M(sd_card);
|
|
}
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, SWITCH, 0x03B90100,
|
|
SD_RSP_TYPE_R1b, rsp, 5);
|
|
if ((retval != STATUS_SUCCESS) || (rsp[4] & MMC_SWITCH_ERR))
|
|
CLR_MMC_HS(sd_card);
|
|
}
|
|
|
|
sd_choose_proper_clock(chip);
|
|
retval = switch_clock(chip, sd_card->sd_clock);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
/* Test Bus Procedure */
|
|
retval = mmc_test_switch_bus(chip, MMC_8BIT_BUS);
|
|
if (retval == SWITCH_SUCCESS) {
|
|
SET_MMC_8BIT(sd_card);
|
|
chip->card_bus_width[chip->card2lun[SD_CARD]] = 8;
|
|
#ifdef SUPPORT_SD_LOCK
|
|
sd_card->sd_lock_status &= ~SD_LOCK_1BIT_MODE;
|
|
#endif
|
|
} else if (retval == SWITCH_FAIL) {
|
|
retval = mmc_test_switch_bus(chip, MMC_4BIT_BUS);
|
|
if (retval == SWITCH_SUCCESS) {
|
|
SET_MMC_4BIT(sd_card);
|
|
chip->card_bus_width[chip->card2lun[SD_CARD]] = 4;
|
|
#ifdef SUPPORT_SD_LOCK
|
|
sd_card->sd_lock_status &= ~SD_LOCK_1BIT_MODE;
|
|
#endif
|
|
} else if (retval == SWITCH_FAIL) {
|
|
CLR_MMC_8BIT(sd_card);
|
|
CLR_MMC_4BIT(sd_card);
|
|
} else {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
} else {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int reset_mmc(struct rtsx_chip *chip)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int retval, i = 0, j = 0, k = 0;
|
|
bool switch_ddr = true;
|
|
u8 rsp[16];
|
|
u8 spec_ver = 0;
|
|
u32 temp;
|
|
|
|
#ifdef SUPPORT_SD_LOCK
|
|
if (sd_card->sd_lock_status & SD_UNLOCK_POW_ON)
|
|
goto MMC_UNLOCK_ENTRY;
|
|
#endif
|
|
|
|
switch_fail:
|
|
retval = sd_prepare_reset(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
|
|
SET_MMC(sd_card);
|
|
|
|
RTY_MMC_RST:
|
|
retval = sd_send_cmd_get_rsp(chip, GO_IDLE_STATE, 0, SD_RSP_TYPE_R0,
|
|
NULL, 0);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
do {
|
|
if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) {
|
|
sd_set_err_code(chip, SD_NO_CARD);
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, SEND_OP_COND,
|
|
(SUPPORT_VOLTAGE | 0x40000000),
|
|
SD_RSP_TYPE_R3, rsp, 5);
|
|
if (retval != STATUS_SUCCESS) {
|
|
if (sd_check_err_code(chip, SD_BUSY) ||
|
|
sd_check_err_code(chip, SD_TO_ERR)) {
|
|
k++;
|
|
if (k < 20) {
|
|
sd_clr_err_code(chip);
|
|
goto RTY_MMC_RST;
|
|
} else {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
} else {
|
|
j++;
|
|
if (j < 100) {
|
|
sd_clr_err_code(chip);
|
|
goto RTY_MMC_RST;
|
|
} else {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
}
|
|
}
|
|
|
|
wait_timeout(20);
|
|
i++;
|
|
} while (!(rsp[1] & 0x80) && (i < 255));
|
|
|
|
if (i == 255) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
if ((rsp[1] & 0x60) == 0x40)
|
|
SET_MMC_SECTOR_MODE(sd_card);
|
|
else
|
|
CLR_MMC_SECTOR_MODE(sd_card);
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, ALL_SEND_CID, 0, SD_RSP_TYPE_R2,
|
|
NULL, 0);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
sd_card->sd_addr = 0x00100000;
|
|
retval = sd_send_cmd_get_rsp(chip, SET_RELATIVE_ADDR, sd_card->sd_addr,
|
|
SD_RSP_TYPE_R6, rsp, 5);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = sd_check_csd(chip, 1);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
spec_ver = (sd_card->raw_csd[0] & 0x3C) >> 2;
|
|
|
|
retval = sd_select_card(chip, 1);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, 0x200, SD_RSP_TYPE_R1,
|
|
NULL, 0);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
#ifdef SUPPORT_SD_LOCK
|
|
MMC_UNLOCK_ENTRY:
|
|
retval = sd_update_lock_status(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
#endif
|
|
|
|
retval = sd_set_clock_divider(chip, SD_CLK_DIVIDE_0);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
chip->card_bus_width[chip->card2lun[SD_CARD]] = 1;
|
|
|
|
if (!sd_card->mmc_dont_switch_bus) {
|
|
if (spec_ver == 4) {
|
|
/* MMC 4.x Cards */
|
|
retval = mmc_switch_timing_bus(chip, switch_ddr);
|
|
if (retval != STATUS_SUCCESS) {
|
|
retval = sd_init_power(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
sd_card->mmc_dont_switch_bus = 1;
|
|
rtsx_trace(chip);
|
|
goto switch_fail;
|
|
}
|
|
}
|
|
|
|
if (CHK_MMC_SECTOR_MODE(sd_card) && (sd_card->capacity == 0)) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
if (switch_ddr && CHK_MMC_DDR52(sd_card)) {
|
|
retval = sd_set_init_para(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = mmc_ddr_tuning(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
retval = sd_init_power(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
switch_ddr = false;
|
|
rtsx_trace(chip);
|
|
goto switch_fail;
|
|
}
|
|
|
|
retval = sd_wait_state_data_ready(chip, 0x08, 1, 1000);
|
|
if (retval == STATUS_SUCCESS) {
|
|
retval = sd_read_lba0(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
retval = sd_init_power(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
switch_ddr = false;
|
|
rtsx_trace(chip);
|
|
goto switch_fail;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#ifdef SUPPORT_SD_LOCK
|
|
if (sd_card->sd_lock_status & SD_UNLOCK_POW_ON) {
|
|
retval = rtsx_write_register(chip, REG_SD_BLOCK_CNT_H, 0xFF,
|
|
0x02);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
retval = rtsx_write_register(chip, REG_SD_BLOCK_CNT_L, 0xFF,
|
|
0x00);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
temp = rtsx_readl(chip, RTSX_BIPR);
|
|
if (temp & SD_WRITE_PROTECT)
|
|
chip->card_wp |= SD_CARD;
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
int reset_sd_card(struct rtsx_chip *chip)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int retval;
|
|
|
|
sd_init_reg_addr(chip);
|
|
|
|
memset(sd_card, 0, sizeof(struct sd_info));
|
|
chip->capacity[chip->card2lun[SD_CARD]] = 0;
|
|
|
|
retval = enable_card_clock(chip, SD_CARD);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
if (chip->ignore_sd && CHK_SDIO_EXIST(chip) &&
|
|
!CHK_SDIO_IGNORED(chip)) {
|
|
if (chip->asic_code) {
|
|
retval = sd_pull_ctl_enable(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
} else {
|
|
retval = rtsx_write_register(chip, FPGA_PULL_CTL,
|
|
FPGA_SD_PULL_CTL_BIT |
|
|
0x20, 0);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
}
|
|
retval = card_share_mode(chip, SD_CARD);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
chip->sd_io = 1;
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = sd_init_power(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
if (chip->sd_ctl & RESET_MMC_FIRST) {
|
|
retval = reset_mmc(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
if (sd_check_err_code(chip, SD_NO_CARD)) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = reset_sd(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
}
|
|
} else {
|
|
retval = reset_sd(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
if (sd_check_err_code(chip, SD_NO_CARD)) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
if (chip->sd_io) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
retval = reset_mmc(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
}
|
|
}
|
|
|
|
retval = sd_set_clock_divider(chip, SD_CLK_DIVIDE_0);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = rtsx_write_register(chip, REG_SD_BYTE_CNT_L, 0xFF, 0);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
retval = rtsx_write_register(chip, REG_SD_BYTE_CNT_H, 0xFF, 2);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
|
|
chip->capacity[chip->card2lun[SD_CARD]] = sd_card->capacity;
|
|
|
|
retval = sd_set_init_para(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
dev_dbg(rtsx_dev(chip), "sd_card->sd_type = 0x%x\n", sd_card->sd_type);
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
static int reset_mmc_only(struct rtsx_chip *chip)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int retval;
|
|
|
|
sd_card->sd_type = 0;
|
|
sd_card->seq_mode = 0;
|
|
sd_card->sd_data_buf_ready = 0;
|
|
sd_card->capacity = 0;
|
|
sd_card->sd_switch_fail = 0;
|
|
|
|
#ifdef SUPPORT_SD_LOCK
|
|
sd_card->sd_lock_status = 0;
|
|
sd_card->sd_erase_status = 0;
|
|
#endif
|
|
|
|
chip->capacity[chip->card2lun[SD_CARD]] = sd_card->capacity = 0;
|
|
|
|
retval = enable_card_clock(chip, SD_CARD);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = sd_init_power(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = reset_mmc(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = sd_set_clock_divider(chip, SD_CLK_DIVIDE_0);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = rtsx_write_register(chip, REG_SD_BYTE_CNT_L, 0xFF, 0);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
retval = rtsx_write_register(chip, REG_SD_BYTE_CNT_H, 0xFF, 2);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
|
|
chip->capacity[chip->card2lun[SD_CARD]] = sd_card->capacity;
|
|
|
|
retval = sd_set_init_para(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
dev_dbg(rtsx_dev(chip), "In reset_mmc_only, sd_card->sd_type = 0x%x\n",
|
|
sd_card->sd_type);
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
#define WAIT_DATA_READY_RTY_CNT 255
|
|
|
|
static int wait_data_buf_ready(struct rtsx_chip *chip)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int i, retval;
|
|
|
|
for (i = 0; i < WAIT_DATA_READY_RTY_CNT; i++) {
|
|
if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) {
|
|
sd_set_err_code(chip, SD_NO_CARD);
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
sd_card->sd_data_buf_ready = 0;
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, SEND_STATUS,
|
|
sd_card->sd_addr, SD_RSP_TYPE_R1,
|
|
NULL, 0);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
if (sd_card->sd_data_buf_ready) {
|
|
return sd_send_cmd_get_rsp(chip, SEND_STATUS,
|
|
sd_card->sd_addr, SD_RSP_TYPE_R1, NULL, 0);
|
|
}
|
|
}
|
|
|
|
sd_set_err_code(chip, SD_TO_ERR);
|
|
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
void sd_stop_seq_mode(struct rtsx_chip *chip)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int retval;
|
|
|
|
if (sd_card->seq_mode) {
|
|
retval = sd_switch_clock(chip);
|
|
if (retval != STATUS_SUCCESS)
|
|
return;
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION, 0,
|
|
SD_RSP_TYPE_R1b, NULL, 0);
|
|
if (retval != STATUS_SUCCESS)
|
|
sd_set_err_code(chip, SD_STS_ERR);
|
|
|
|
retval = sd_wait_state_data_ready(chip, 0x08, 1, 1000);
|
|
if (retval != STATUS_SUCCESS)
|
|
sd_set_err_code(chip, SD_STS_ERR);
|
|
|
|
sd_card->seq_mode = 0;
|
|
|
|
rtsx_write_register(chip, RBCTL, RB_FLUSH, RB_FLUSH);
|
|
}
|
|
}
|
|
|
|
static inline int sd_auto_tune_clock(struct rtsx_chip *chip)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int retval;
|
|
|
|
if (chip->asic_code) {
|
|
if (sd_card->sd_clock > 30)
|
|
sd_card->sd_clock -= 20;
|
|
} else {
|
|
switch (sd_card->sd_clock) {
|
|
case CLK_200:
|
|
sd_card->sd_clock = CLK_150;
|
|
break;
|
|
|
|
case CLK_150:
|
|
sd_card->sd_clock = CLK_120;
|
|
break;
|
|
|
|
case CLK_120:
|
|
sd_card->sd_clock = CLK_100;
|
|
break;
|
|
|
|
case CLK_100:
|
|
sd_card->sd_clock = CLK_80;
|
|
break;
|
|
|
|
case CLK_80:
|
|
sd_card->sd_clock = CLK_60;
|
|
break;
|
|
|
|
case CLK_60:
|
|
sd_card->sd_clock = CLK_50;
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
retval = sd_switch_clock(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
int sd_rw(struct scsi_cmnd *srb, struct rtsx_chip *chip, u32 start_sector,
|
|
u16 sector_cnt)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
u32 data_addr;
|
|
u8 cfg2;
|
|
int retval;
|
|
|
|
if (srb->sc_data_direction == DMA_FROM_DEVICE) {
|
|
dev_dbg(rtsx_dev(chip), "sd_rw: Read %d %s from 0x%x\n",
|
|
sector_cnt, (sector_cnt > 1) ? "sectors" : "sector",
|
|
start_sector);
|
|
} else {
|
|
dev_dbg(rtsx_dev(chip), "sd_rw: Write %d %s to 0x%x\n",
|
|
sector_cnt, (sector_cnt > 1) ? "sectors" : "sector",
|
|
start_sector);
|
|
}
|
|
|
|
sd_card->cleanup_counter = 0;
|
|
|
|
if (!(chip->card_ready & SD_CARD)) {
|
|
sd_card->seq_mode = 0;
|
|
|
|
retval = reset_sd_card(chip);
|
|
if (retval == STATUS_SUCCESS) {
|
|
chip->card_ready |= SD_CARD;
|
|
chip->card_fail &= ~SD_CARD;
|
|
} else {
|
|
chip->card_ready &= ~SD_CARD;
|
|
chip->card_fail |= SD_CARD;
|
|
chip->capacity[chip->card2lun[SD_CARD]] = 0;
|
|
chip->rw_need_retry = 1;
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
}
|
|
|
|
if (!CHK_SD_HCXC(sd_card) && !CHK_MMC_SECTOR_MODE(sd_card))
|
|
data_addr = start_sector << 9;
|
|
else
|
|
data_addr = start_sector;
|
|
|
|
sd_clr_err_code(chip);
|
|
|
|
retval = sd_switch_clock(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
sd_set_err_code(chip, SD_IO_ERR);
|
|
rtsx_trace(chip);
|
|
goto RW_FAIL;
|
|
}
|
|
|
|
if (sd_card->seq_mode &&
|
|
((sd_card->pre_dir != srb->sc_data_direction) ||
|
|
((sd_card->pre_sec_addr + sd_card->pre_sec_cnt) !=
|
|
start_sector))) {
|
|
if ((sd_card->pre_sec_cnt < 0x80) &&
|
|
(sd_card->pre_dir == DMA_FROM_DEVICE) &&
|
|
!CHK_SD30_SPEED(sd_card) &&
|
|
!CHK_SD_HS(sd_card) &&
|
|
!CHK_MMC_HS(sd_card)) {
|
|
sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
|
|
SD_RSP_TYPE_R1, NULL, 0);
|
|
}
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION, 0,
|
|
SD_RSP_TYPE_R1b, NULL, 0);
|
|
if (retval != STATUS_SUCCESS) {
|
|
chip->rw_need_retry = 1;
|
|
sd_set_err_code(chip, SD_STS_ERR);
|
|
rtsx_trace(chip);
|
|
goto RW_FAIL;
|
|
}
|
|
|
|
sd_card->seq_mode = 0;
|
|
|
|
retval = rtsx_write_register(chip, RBCTL, RB_FLUSH, RB_FLUSH);
|
|
if (retval != STATUS_SUCCESS) {
|
|
sd_set_err_code(chip, SD_IO_ERR);
|
|
rtsx_trace(chip);
|
|
goto RW_FAIL;
|
|
}
|
|
|
|
if ((sd_card->pre_sec_cnt < 0x80) &&
|
|
!CHK_SD30_SPEED(sd_card) &&
|
|
!CHK_SD_HS(sd_card) &&
|
|
!CHK_MMC_HS(sd_card)) {
|
|
sd_send_cmd_get_rsp(chip, SEND_STATUS, sd_card->sd_addr,
|
|
SD_RSP_TYPE_R1, NULL, 0);
|
|
}
|
|
}
|
|
|
|
rtsx_init_cmd(chip);
|
|
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L, 0xFF, 0x00);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_H, 0xFF, 0x02);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_L, 0xFF,
|
|
(u8)sector_cnt);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_H, 0xFF,
|
|
(u8)(sector_cnt >> 8));
|
|
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01, RING_BUFFER);
|
|
|
|
if (CHK_MMC_8BIT(sd_card))
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG1,
|
|
0x03, SD_BUS_WIDTH_8);
|
|
else if (CHK_MMC_4BIT(sd_card) || CHK_SD(sd_card))
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG1,
|
|
0x03, SD_BUS_WIDTH_4);
|
|
else
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG1,
|
|
0x03, SD_BUS_WIDTH_1);
|
|
|
|
if (sd_card->seq_mode) {
|
|
cfg2 = SD_NO_CALCULATE_CRC7 | SD_CHECK_CRC16 |
|
|
SD_NO_WAIT_BUSY_END | SD_NO_CHECK_CRC7 |
|
|
SD_RSP_LEN_0;
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF, cfg2);
|
|
|
|
trans_dma_enable(srb->sc_data_direction, chip, sector_cnt * 512,
|
|
DMA_512);
|
|
|
|
if (srb->sc_data_direction == DMA_FROM_DEVICE) {
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF,
|
|
SD_TM_AUTO_READ_3 | SD_TRANSFER_START);
|
|
} else {
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF,
|
|
SD_TM_AUTO_WRITE_3 | SD_TRANSFER_START);
|
|
}
|
|
|
|
rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER,
|
|
SD_TRANSFER_END, SD_TRANSFER_END);
|
|
|
|
rtsx_send_cmd_no_wait(chip);
|
|
} else {
|
|
if (srb->sc_data_direction == DMA_FROM_DEVICE) {
|
|
dev_dbg(rtsx_dev(chip), "SD/MMC CMD %d\n",
|
|
READ_MULTIPLE_BLOCK);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD0, 0xFF,
|
|
0x40 | READ_MULTIPLE_BLOCK);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD1, 0xFF,
|
|
(u8)(data_addr >> 24));
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD2, 0xFF,
|
|
(u8)(data_addr >> 16));
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD3, 0xFF,
|
|
(u8)(data_addr >> 8));
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD4, 0xFF,
|
|
(u8)data_addr);
|
|
|
|
cfg2 = SD_CALCULATE_CRC7 | SD_CHECK_CRC16 |
|
|
SD_NO_WAIT_BUSY_END | SD_CHECK_CRC7 |
|
|
SD_RSP_LEN_6;
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF,
|
|
cfg2);
|
|
|
|
trans_dma_enable(srb->sc_data_direction, chip,
|
|
sector_cnt * 512, DMA_512);
|
|
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF,
|
|
SD_TM_AUTO_READ_2 | SD_TRANSFER_START);
|
|
rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER,
|
|
SD_TRANSFER_END, SD_TRANSFER_END);
|
|
|
|
rtsx_send_cmd_no_wait(chip);
|
|
} else {
|
|
retval = rtsx_send_cmd(chip, SD_CARD, 50);
|
|
if (retval < 0) {
|
|
rtsx_clear_sd_error(chip);
|
|
|
|
chip->rw_need_retry = 1;
|
|
sd_set_err_code(chip, SD_TO_ERR);
|
|
rtsx_trace(chip);
|
|
goto RW_FAIL;
|
|
}
|
|
|
|
retval = wait_data_buf_ready(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
chip->rw_need_retry = 1;
|
|
sd_set_err_code(chip, SD_TO_ERR);
|
|
rtsx_trace(chip);
|
|
goto RW_FAIL;
|
|
}
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, WRITE_MULTIPLE_BLOCK,
|
|
data_addr, SD_RSP_TYPE_R1,
|
|
NULL, 0);
|
|
if (retval != STATUS_SUCCESS) {
|
|
chip->rw_need_retry = 1;
|
|
rtsx_trace(chip);
|
|
goto RW_FAIL;
|
|
}
|
|
|
|
rtsx_init_cmd(chip);
|
|
|
|
cfg2 = SD_NO_CALCULATE_CRC7 | SD_CHECK_CRC16 |
|
|
SD_NO_WAIT_BUSY_END |
|
|
SD_NO_CHECK_CRC7 | SD_RSP_LEN_0;
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF,
|
|
cfg2);
|
|
|
|
trans_dma_enable(srb->sc_data_direction, chip,
|
|
sector_cnt * 512, DMA_512);
|
|
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF,
|
|
SD_TM_AUTO_WRITE_3 | SD_TRANSFER_START);
|
|
rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER,
|
|
SD_TRANSFER_END, SD_TRANSFER_END);
|
|
|
|
rtsx_send_cmd_no_wait(chip);
|
|
}
|
|
|
|
sd_card->seq_mode = 1;
|
|
}
|
|
|
|
retval = rtsx_transfer_data(chip, SD_CARD, scsi_sglist(srb),
|
|
scsi_bufflen(srb), scsi_sg_count(srb),
|
|
srb->sc_data_direction, chip->sd_timeout);
|
|
if (retval < 0) {
|
|
u8 stat = 0;
|
|
int err;
|
|
|
|
sd_card->seq_mode = 0;
|
|
|
|
if (retval == -ETIMEDOUT)
|
|
err = STATUS_TIMEDOUT;
|
|
else
|
|
err = STATUS_FAIL;
|
|
|
|
rtsx_read_register(chip, REG_SD_STAT1, &stat);
|
|
rtsx_clear_sd_error(chip);
|
|
if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) {
|
|
chip->rw_need_retry = 0;
|
|
dev_dbg(rtsx_dev(chip), "No card exist, exit sd_rw\n");
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
chip->rw_need_retry = 1;
|
|
|
|
retval = sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION, 0,
|
|
SD_RSP_TYPE_R1b, NULL, 0);
|
|
if (retval != STATUS_SUCCESS) {
|
|
sd_set_err_code(chip, SD_STS_ERR);
|
|
rtsx_trace(chip);
|
|
goto RW_FAIL;
|
|
}
|
|
|
|
if (stat & (SD_CRC7_ERR | SD_CRC16_ERR | SD_CRC_WRITE_ERR)) {
|
|
dev_dbg(rtsx_dev(chip), "SD CRC error, tune clock!\n");
|
|
sd_set_err_code(chip, SD_CRC_ERR);
|
|
rtsx_trace(chip);
|
|
goto RW_FAIL;
|
|
}
|
|
|
|
if (err == STATUS_TIMEDOUT) {
|
|
sd_set_err_code(chip, SD_TO_ERR);
|
|
rtsx_trace(chip);
|
|
goto RW_FAIL;
|
|
}
|
|
|
|
rtsx_trace(chip);
|
|
return err;
|
|
}
|
|
|
|
sd_card->pre_sec_addr = start_sector;
|
|
sd_card->pre_sec_cnt = sector_cnt;
|
|
sd_card->pre_dir = srb->sc_data_direction;
|
|
|
|
return STATUS_SUCCESS;
|
|
|
|
RW_FAIL:
|
|
sd_card->seq_mode = 0;
|
|
|
|
if (detect_card_cd(chip, SD_CARD) != STATUS_SUCCESS) {
|
|
chip->rw_need_retry = 0;
|
|
dev_dbg(rtsx_dev(chip), "No card exist, exit sd_rw\n");
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
if (sd_check_err_code(chip, SD_CRC_ERR)) {
|
|
if (CHK_MMC_4BIT(sd_card) || CHK_MMC_8BIT(sd_card)) {
|
|
sd_card->mmc_dont_switch_bus = 1;
|
|
reset_mmc_only(chip);
|
|
sd_card->mmc_dont_switch_bus = 0;
|
|
} else {
|
|
sd_card->need_retune = 1;
|
|
sd_auto_tune_clock(chip);
|
|
}
|
|
} else if (sd_check_err_code(chip, SD_TO_ERR | SD_STS_ERR)) {
|
|
retval = reset_sd_card(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
chip->card_ready &= ~SD_CARD;
|
|
chip->card_fail |= SD_CARD;
|
|
chip->capacity[chip->card2lun[SD_CARD]] = 0;
|
|
}
|
|
}
|
|
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
#ifdef SUPPORT_CPRM
|
|
int soft_reset_sd_card(struct rtsx_chip *chip)
|
|
{
|
|
return reset_sd(chip);
|
|
}
|
|
|
|
int ext_sd_send_cmd_get_rsp(struct rtsx_chip *chip, u8 cmd_idx, u32 arg,
|
|
u8 rsp_type, u8 *rsp, int rsp_len,
|
|
bool special_check)
|
|
{
|
|
int retval;
|
|
int timeout = 100;
|
|
u16 reg_addr;
|
|
u8 *ptr;
|
|
int stat_idx = 0;
|
|
int rty_cnt = 0;
|
|
|
|
dev_dbg(rtsx_dev(chip), "EXT SD/MMC CMD %d\n", cmd_idx);
|
|
|
|
if (rsp_type == SD_RSP_TYPE_R1b)
|
|
timeout = 3000;
|
|
|
|
RTY_SEND_CMD:
|
|
|
|
rtsx_init_cmd(chip);
|
|
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD0, 0xFF, 0x40 | cmd_idx);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD1, 0xFF, (u8)(arg >> 24));
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD2, 0xFF, (u8)(arg >> 16));
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD3, 0xFF, (u8)(arg >> 8));
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD4, 0xFF, (u8)arg);
|
|
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF, rsp_type);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE,
|
|
0x01, PINGPONG_BUFFER);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER,
|
|
0xFF, SD_TM_CMD_RSP | SD_TRANSFER_START);
|
|
rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER, SD_TRANSFER_END,
|
|
SD_TRANSFER_END);
|
|
|
|
if (rsp_type == SD_RSP_TYPE_R2) {
|
|
for (reg_addr = PPBUF_BASE2; reg_addr < PPBUF_BASE2 + 16;
|
|
reg_addr++)
|
|
rtsx_add_cmd(chip, READ_REG_CMD, reg_addr, 0, 0);
|
|
|
|
stat_idx = 17;
|
|
} else if (rsp_type != SD_RSP_TYPE_R0) {
|
|
for (reg_addr = REG_SD_CMD0; reg_addr <= REG_SD_CMD4;
|
|
reg_addr++)
|
|
rtsx_add_cmd(chip, READ_REG_CMD, reg_addr, 0, 0);
|
|
|
|
stat_idx = 6;
|
|
}
|
|
rtsx_add_cmd(chip, READ_REG_CMD, REG_SD_CMD5, 0, 0);
|
|
|
|
rtsx_add_cmd(chip, READ_REG_CMD, REG_SD_STAT1, 0, 0);
|
|
|
|
retval = rtsx_send_cmd(chip, SD_CARD, timeout);
|
|
if (retval < 0) {
|
|
if (retval == -ETIMEDOUT) {
|
|
rtsx_clear_sd_error(chip);
|
|
|
|
if (rsp_type & SD_WAIT_BUSY_END) {
|
|
retval = sd_check_data0_status(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
} else {
|
|
sd_set_err_code(chip, SD_TO_ERR);
|
|
}
|
|
}
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
if (rsp_type == SD_RSP_TYPE_R0)
|
|
return STATUS_SUCCESS;
|
|
|
|
ptr = rtsx_get_cmd_data(chip) + 1;
|
|
|
|
if ((ptr[0] & 0xC0) != 0) {
|
|
sd_set_err_code(chip, SD_STS_ERR);
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
if (!(rsp_type & SD_NO_CHECK_CRC7)) {
|
|
if (ptr[stat_idx] & SD_CRC7_ERR) {
|
|
if (cmd_idx == WRITE_MULTIPLE_BLOCK) {
|
|
sd_set_err_code(chip, SD_CRC_ERR);
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
if (rty_cnt < SD_MAX_RETRY_COUNT) {
|
|
wait_timeout(20);
|
|
rty_cnt++;
|
|
goto RTY_SEND_CMD;
|
|
} else {
|
|
sd_set_err_code(chip, SD_CRC_ERR);
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((cmd_idx == SELECT_CARD) || (cmd_idx == APP_CMD) ||
|
|
(cmd_idx == SEND_STATUS) || (cmd_idx == STOP_TRANSMISSION)) {
|
|
if ((cmd_idx != STOP_TRANSMISSION) && !special_check) {
|
|
if (ptr[1] & 0x80) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
}
|
|
#ifdef SUPPORT_SD_LOCK
|
|
if (ptr[1] & 0x7D) {
|
|
#else
|
|
if (ptr[1] & 0x7F) {
|
|
#endif
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
if (ptr[2] & 0xF8) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
if (cmd_idx == SELECT_CARD) {
|
|
if (rsp_type == SD_RSP_TYPE_R2) {
|
|
if ((ptr[3] & 0x1E) != 0x04) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
} else if (rsp_type == SD_RSP_TYPE_R0) {
|
|
if ((ptr[3] & 0x1E) != 0x03) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (rsp && rsp_len)
|
|
memcpy(rsp, ptr, rsp_len);
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
int ext_sd_get_rsp(struct rtsx_chip *chip, int len, u8 *rsp, u8 rsp_type)
|
|
{
|
|
int retval, rsp_len;
|
|
u16 reg_addr;
|
|
|
|
if (rsp_type == SD_RSP_TYPE_R0)
|
|
return STATUS_SUCCESS;
|
|
|
|
rtsx_init_cmd(chip);
|
|
|
|
if (rsp_type == SD_RSP_TYPE_R2) {
|
|
for (reg_addr = PPBUF_BASE2; reg_addr < PPBUF_BASE2 + 16;
|
|
reg_addr++)
|
|
rtsx_add_cmd(chip, READ_REG_CMD, reg_addr, 0xFF, 0);
|
|
|
|
rsp_len = 17;
|
|
} else if (rsp_type != SD_RSP_TYPE_R0) {
|
|
for (reg_addr = REG_SD_CMD0; reg_addr <= REG_SD_CMD4;
|
|
reg_addr++)
|
|
rtsx_add_cmd(chip, READ_REG_CMD, reg_addr, 0xFF, 0);
|
|
|
|
rsp_len = 6;
|
|
}
|
|
rtsx_add_cmd(chip, READ_REG_CMD, REG_SD_CMD5, 0xFF, 0);
|
|
|
|
retval = rtsx_send_cmd(chip, SD_CARD, 100);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
if (rsp) {
|
|
int min_len = (rsp_len < len) ? rsp_len : len;
|
|
|
|
memcpy(rsp, rtsx_get_cmd_data(chip), min_len);
|
|
|
|
dev_dbg(rtsx_dev(chip), "min_len = %d\n", min_len);
|
|
dev_dbg(rtsx_dev(chip), "Response in cmd buf: 0x%x 0x%x 0x%x 0x%x\n",
|
|
rsp[0], rsp[1], rsp[2], rsp[3]);
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
int sd_pass_thru_mode(struct scsi_cmnd *srb, struct rtsx_chip *chip)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
unsigned int lun = SCSI_LUN(srb);
|
|
int len;
|
|
u8 buf[18] = {
|
|
0x00,
|
|
0x00,
|
|
0x00,
|
|
0x0E,
|
|
0x00,
|
|
0x00,
|
|
0x00,
|
|
0x00,
|
|
0x53,
|
|
0x44,
|
|
0x20,
|
|
0x43,
|
|
0x61,
|
|
0x72,
|
|
0x64,
|
|
0x00,
|
|
0x00,
|
|
0x00,
|
|
};
|
|
|
|
sd_card->pre_cmd_err = 0;
|
|
|
|
if (!(CHK_BIT(chip->lun_mc, lun))) {
|
|
SET_BIT(chip->lun_mc, lun);
|
|
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE);
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
|
|
if ((srb->cmnd[2] != 0x53) || (srb->cmnd[3] != 0x44) ||
|
|
(srb->cmnd[4] != 0x20) || (srb->cmnd[5] != 0x43) ||
|
|
(srb->cmnd[6] != 0x61) || (srb->cmnd[7] != 0x72) ||
|
|
(srb->cmnd[8] != 0x64)) {
|
|
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
|
|
switch (srb->cmnd[1] & 0x0F) {
|
|
case 0:
|
|
sd_card->sd_pass_thru_en = 0;
|
|
break;
|
|
|
|
case 1:
|
|
sd_card->sd_pass_thru_en = 1;
|
|
break;
|
|
|
|
default:
|
|
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
|
|
buf[5] = (CHK_SD(sd_card) == 1) ? 0x01 : 0x02;
|
|
if (chip->card_wp & SD_CARD)
|
|
buf[5] |= 0x80;
|
|
|
|
buf[6] = (u8)(sd_card->sd_addr >> 16);
|
|
buf[7] = (u8)(sd_card->sd_addr >> 24);
|
|
|
|
buf[15] = chip->max_lun;
|
|
|
|
len = min_t(int, 18, scsi_bufflen(srb));
|
|
rtsx_stor_set_xfer_buf(buf, len, srb);
|
|
|
|
return TRANSPORT_GOOD;
|
|
}
|
|
|
|
static inline int get_rsp_type(struct scsi_cmnd *srb, u8 *rsp_type,
|
|
int *rsp_len)
|
|
{
|
|
if (!rsp_type || !rsp_len)
|
|
return STATUS_FAIL;
|
|
|
|
switch (srb->cmnd[10]) {
|
|
case 0x03:
|
|
*rsp_type = SD_RSP_TYPE_R0;
|
|
*rsp_len = 0;
|
|
break;
|
|
|
|
case 0x04:
|
|
*rsp_type = SD_RSP_TYPE_R1;
|
|
*rsp_len = 6;
|
|
break;
|
|
|
|
case 0x05:
|
|
*rsp_type = SD_RSP_TYPE_R1b;
|
|
*rsp_len = 6;
|
|
break;
|
|
|
|
case 0x06:
|
|
*rsp_type = SD_RSP_TYPE_R2;
|
|
*rsp_len = 17;
|
|
break;
|
|
|
|
case 0x07:
|
|
*rsp_type = SD_RSP_TYPE_R3;
|
|
*rsp_len = 6;
|
|
break;
|
|
|
|
default:
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
int sd_execute_no_data(struct scsi_cmnd *srb, struct rtsx_chip *chip)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
unsigned int lun = SCSI_LUN(srb);
|
|
int retval, rsp_len;
|
|
u8 cmd_idx, rsp_type;
|
|
bool standby = false, acmd = false;
|
|
u32 arg;
|
|
|
|
if (!sd_card->sd_pass_thru_en) {
|
|
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
|
|
retval = sd_switch_clock(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
|
|
if (sd_card->pre_cmd_err) {
|
|
sd_card->pre_cmd_err = 0;
|
|
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE);
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
|
|
cmd_idx = srb->cmnd[2] & 0x3F;
|
|
if (srb->cmnd[1] & 0x02)
|
|
standby = true;
|
|
|
|
if (srb->cmnd[1] & 0x01)
|
|
acmd = true;
|
|
|
|
arg = ((u32)srb->cmnd[3] << 24) | ((u32)srb->cmnd[4] << 16) |
|
|
((u32)srb->cmnd[5] << 8) | srb->cmnd[6];
|
|
|
|
retval = get_rsp_type(srb, &rsp_type, &rsp_len);
|
|
if (retval != STATUS_SUCCESS) {
|
|
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
sd_card->last_rsp_type = rsp_type;
|
|
|
|
retval = sd_switch_clock(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
|
|
#ifdef SUPPORT_SD_LOCK
|
|
if ((sd_card->sd_lock_status & SD_LOCK_1BIT_MODE) == 0) {
|
|
if (CHK_MMC_8BIT(sd_card)) {
|
|
retval = rtsx_write_register(chip, REG_SD_CFG1, 0x03,
|
|
SD_BUS_WIDTH_8);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
|
|
} else if (CHK_SD(sd_card) || CHK_MMC_4BIT(sd_card)) {
|
|
retval = rtsx_write_register(chip, REG_SD_CFG1, 0x03,
|
|
SD_BUS_WIDTH_4);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
}
|
|
}
|
|
#else
|
|
retval = rtsx_write_register(chip, REG_SD_CFG1, 0x03, SD_BUS_WIDTH_4);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
#endif
|
|
|
|
if (standby) {
|
|
retval = sd_select_card(chip, 0);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_cmd_failed;
|
|
}
|
|
}
|
|
|
|
if (acmd) {
|
|
retval = ext_sd_send_cmd_get_rsp(chip, APP_CMD,
|
|
sd_card->sd_addr,
|
|
SD_RSP_TYPE_R1, NULL, 0,
|
|
false);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_cmd_failed;
|
|
}
|
|
}
|
|
|
|
retval = ext_sd_send_cmd_get_rsp(chip, cmd_idx, arg, rsp_type,
|
|
sd_card->rsp, rsp_len, false);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_cmd_failed;
|
|
}
|
|
|
|
if (standby) {
|
|
retval = sd_select_card(chip, 1);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_cmd_failed;
|
|
}
|
|
}
|
|
|
|
#ifdef SUPPORT_SD_LOCK
|
|
retval = sd_update_lock_status(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_cmd_failed;
|
|
}
|
|
#endif
|
|
|
|
scsi_set_resid(srb, 0);
|
|
return TRANSPORT_GOOD;
|
|
|
|
sd_execute_cmd_failed:
|
|
sd_card->pre_cmd_err = 1;
|
|
set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE);
|
|
release_sd_card(chip);
|
|
do_reset_sd_card(chip);
|
|
if (!(chip->card_ready & SD_CARD))
|
|
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
|
|
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
|
|
int sd_execute_read_data(struct scsi_cmnd *srb, struct rtsx_chip *chip)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
unsigned int lun = SCSI_LUN(srb);
|
|
int retval, rsp_len, i;
|
|
bool read_err = false, cmd13_checkbit = false;
|
|
u8 cmd_idx, rsp_type, bus_width;
|
|
bool standby = false, send_cmd12 = false, acmd = false;
|
|
u32 data_len;
|
|
|
|
if (!sd_card->sd_pass_thru_en) {
|
|
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
|
|
if (sd_card->pre_cmd_err) {
|
|
sd_card->pre_cmd_err = 0;
|
|
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE);
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
|
|
retval = sd_switch_clock(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
|
|
cmd_idx = srb->cmnd[2] & 0x3F;
|
|
if (srb->cmnd[1] & 0x04)
|
|
send_cmd12 = true;
|
|
|
|
if (srb->cmnd[1] & 0x02)
|
|
standby = true;
|
|
|
|
if (srb->cmnd[1] & 0x01)
|
|
acmd = true;
|
|
|
|
data_len = ((u32)srb->cmnd[7] << 16) | ((u32)srb->cmnd[8]
|
|
<< 8) | srb->cmnd[9];
|
|
|
|
retval = get_rsp_type(srb, &rsp_type, &rsp_len);
|
|
if (retval != STATUS_SUCCESS) {
|
|
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
sd_card->last_rsp_type = rsp_type;
|
|
|
|
retval = sd_switch_clock(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
|
|
#ifdef SUPPORT_SD_LOCK
|
|
if ((sd_card->sd_lock_status & SD_LOCK_1BIT_MODE) == 0) {
|
|
if (CHK_MMC_8BIT(sd_card))
|
|
bus_width = SD_BUS_WIDTH_8;
|
|
else if (CHK_SD(sd_card) || CHK_MMC_4BIT(sd_card))
|
|
bus_width = SD_BUS_WIDTH_4;
|
|
else
|
|
bus_width = SD_BUS_WIDTH_1;
|
|
} else {
|
|
bus_width = SD_BUS_WIDTH_4;
|
|
}
|
|
dev_dbg(rtsx_dev(chip), "bus_width = %d\n", bus_width);
|
|
#else
|
|
bus_width = SD_BUS_WIDTH_4;
|
|
#endif
|
|
|
|
if (data_len < 512) {
|
|
retval = ext_sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, data_len,
|
|
SD_RSP_TYPE_R1, NULL, 0,
|
|
false);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_read_cmd_failed;
|
|
}
|
|
}
|
|
|
|
if (standby) {
|
|
retval = sd_select_card(chip, 0);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_read_cmd_failed;
|
|
}
|
|
}
|
|
|
|
if (acmd) {
|
|
retval = ext_sd_send_cmd_get_rsp(chip, APP_CMD,
|
|
sd_card->sd_addr,
|
|
SD_RSP_TYPE_R1, NULL, 0,
|
|
false);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_read_cmd_failed;
|
|
}
|
|
}
|
|
|
|
if (data_len <= 512) {
|
|
int min_len;
|
|
u8 *buf;
|
|
u16 byte_cnt, blk_cnt;
|
|
u8 cmd[5];
|
|
|
|
byte_cnt = ((u16)(srb->cmnd[8] & 0x03) << 8) | srb->cmnd[9];
|
|
blk_cnt = 1;
|
|
|
|
cmd[0] = 0x40 | cmd_idx;
|
|
cmd[1] = srb->cmnd[3];
|
|
cmd[2] = srb->cmnd[4];
|
|
cmd[3] = srb->cmnd[5];
|
|
cmd[4] = srb->cmnd[6];
|
|
|
|
buf = kmalloc(data_len, GFP_KERNEL);
|
|
if (!buf) {
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_ERROR;
|
|
}
|
|
|
|
retval = sd_read_data(chip, SD_TM_NORMAL_READ, cmd, 5, byte_cnt,
|
|
blk_cnt, bus_width, buf, data_len, 2000);
|
|
if (retval != STATUS_SUCCESS) {
|
|
read_err = true;
|
|
kfree(buf);
|
|
rtsx_clear_sd_error(chip);
|
|
rtsx_trace(chip);
|
|
goto sd_execute_read_cmd_failed;
|
|
}
|
|
|
|
min_len = min(data_len, scsi_bufflen(srb));
|
|
rtsx_stor_set_xfer_buf(buf, min_len, srb);
|
|
|
|
kfree(buf);
|
|
} else if (!(data_len & 0x1FF)) {
|
|
rtsx_init_cmd(chip);
|
|
|
|
trans_dma_enable(DMA_FROM_DEVICE, chip, data_len, DMA_512);
|
|
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_H, 0xFF,
|
|
0x02);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L, 0xFF,
|
|
0x00);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_H,
|
|
0xFF, (srb->cmnd[7] & 0xFE) >> 1);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_L,
|
|
0xFF, (u8)((data_len & 0x0001FE00) >> 9));
|
|
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD0, 0xFF,
|
|
0x40 | cmd_idx);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD1, 0xFF,
|
|
srb->cmnd[3]);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD2, 0xFF,
|
|
srb->cmnd[4]);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD3, 0xFF,
|
|
srb->cmnd[5]);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CMD4, 0xFF,
|
|
srb->cmnd[6]);
|
|
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG1, 0x03, bus_width);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_CFG2, 0xFF, rsp_type);
|
|
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER,
|
|
0xFF, SD_TM_AUTO_READ_2 | SD_TRANSFER_START);
|
|
rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER,
|
|
SD_TRANSFER_END, SD_TRANSFER_END);
|
|
|
|
rtsx_send_cmd_no_wait(chip);
|
|
|
|
retval = rtsx_transfer_data(chip, SD_CARD, scsi_sglist(srb),
|
|
scsi_bufflen(srb),
|
|
scsi_sg_count(srb),
|
|
DMA_FROM_DEVICE, 10000);
|
|
if (retval < 0) {
|
|
read_err = true;
|
|
rtsx_clear_sd_error(chip);
|
|
rtsx_trace(chip);
|
|
goto sd_execute_read_cmd_failed;
|
|
}
|
|
|
|
} else {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_read_cmd_failed;
|
|
}
|
|
|
|
retval = ext_sd_get_rsp(chip, rsp_len, sd_card->rsp, rsp_type);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_read_cmd_failed;
|
|
}
|
|
|
|
if (standby) {
|
|
retval = sd_select_card(chip, 1);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_read_cmd_failed;
|
|
}
|
|
}
|
|
|
|
if (send_cmd12) {
|
|
retval = ext_sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION, 0,
|
|
SD_RSP_TYPE_R1b, NULL, 0,
|
|
false);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_read_cmd_failed;
|
|
}
|
|
}
|
|
|
|
if (data_len < 512) {
|
|
retval = ext_sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, 0x200,
|
|
SD_RSP_TYPE_R1, NULL, 0,
|
|
false);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_read_cmd_failed;
|
|
}
|
|
|
|
retval = rtsx_write_register(chip, SD_BYTE_CNT_H, 0xFF, 0x02);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_read_cmd_failed;
|
|
}
|
|
|
|
retval = rtsx_write_register(chip, SD_BYTE_CNT_L, 0xFF, 0x00);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_read_cmd_failed;
|
|
}
|
|
}
|
|
|
|
if ((srb->cmnd[1] & 0x02) || (srb->cmnd[1] & 0x04))
|
|
cmd13_checkbit = true;
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
retval = ext_sd_send_cmd_get_rsp(chip, SEND_STATUS,
|
|
sd_card->sd_addr,
|
|
SD_RSP_TYPE_R1, NULL, 0,
|
|
cmd13_checkbit);
|
|
if (retval == STATUS_SUCCESS)
|
|
break;
|
|
}
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_read_cmd_failed;
|
|
}
|
|
|
|
scsi_set_resid(srb, 0);
|
|
return TRANSPORT_GOOD;
|
|
|
|
sd_execute_read_cmd_failed:
|
|
sd_card->pre_cmd_err = 1;
|
|
set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE);
|
|
if (read_err)
|
|
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_UNRECOVER_READ_ERR);
|
|
|
|
release_sd_card(chip);
|
|
do_reset_sd_card(chip);
|
|
if (!(chip->card_ready & SD_CARD))
|
|
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
|
|
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
|
|
int sd_execute_write_data(struct scsi_cmnd *srb, struct rtsx_chip *chip)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
unsigned int lun = SCSI_LUN(srb);
|
|
int retval, rsp_len, i;
|
|
bool write_err = false, cmd13_checkbit = false;
|
|
u8 cmd_idx, rsp_type;
|
|
bool standby = false, send_cmd12 = false, acmd = false;
|
|
u32 data_len, arg;
|
|
#ifdef SUPPORT_SD_LOCK
|
|
int lock_cmd_fail = 0;
|
|
u8 sd_lock_state = 0;
|
|
u8 lock_cmd_type = 0;
|
|
#endif
|
|
|
|
if (!sd_card->sd_pass_thru_en) {
|
|
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
|
|
if (sd_card->pre_cmd_err) {
|
|
sd_card->pre_cmd_err = 0;
|
|
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE);
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
|
|
retval = sd_switch_clock(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
|
|
cmd_idx = srb->cmnd[2] & 0x3F;
|
|
if (srb->cmnd[1] & 0x04)
|
|
send_cmd12 = true;
|
|
|
|
if (srb->cmnd[1] & 0x02)
|
|
standby = true;
|
|
|
|
if (srb->cmnd[1] & 0x01)
|
|
acmd = true;
|
|
|
|
data_len = ((u32)srb->cmnd[7] << 16) | ((u32)srb->cmnd[8]
|
|
<< 8) | srb->cmnd[9];
|
|
arg = ((u32)srb->cmnd[3] << 24) | ((u32)srb->cmnd[4] << 16) |
|
|
((u32)srb->cmnd[5] << 8) | srb->cmnd[6];
|
|
|
|
#ifdef SUPPORT_SD_LOCK
|
|
if (cmd_idx == LOCK_UNLOCK) {
|
|
sd_lock_state = sd_card->sd_lock_status;
|
|
sd_lock_state &= SD_LOCKED;
|
|
}
|
|
#endif
|
|
|
|
retval = get_rsp_type(srb, &rsp_type, &rsp_len);
|
|
if (retval != STATUS_SUCCESS) {
|
|
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
sd_card->last_rsp_type = rsp_type;
|
|
|
|
retval = sd_switch_clock(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
|
|
#ifdef SUPPORT_SD_LOCK
|
|
if ((sd_card->sd_lock_status & SD_LOCK_1BIT_MODE) == 0) {
|
|
if (CHK_MMC_8BIT(sd_card)) {
|
|
retval = rtsx_write_register(chip, REG_SD_CFG1, 0x03,
|
|
SD_BUS_WIDTH_8);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
|
|
} else if (CHK_SD(sd_card) || CHK_MMC_4BIT(sd_card)) {
|
|
retval = rtsx_write_register(chip, REG_SD_CFG1, 0x03,
|
|
SD_BUS_WIDTH_4);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
}
|
|
}
|
|
#else
|
|
retval = rtsx_write_register(chip, REG_SD_CFG1, 0x03, SD_BUS_WIDTH_4);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
#endif
|
|
|
|
if (data_len < 512) {
|
|
retval = ext_sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, data_len,
|
|
SD_RSP_TYPE_R1, NULL, 0,
|
|
false);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_write_cmd_failed;
|
|
}
|
|
}
|
|
|
|
if (standby) {
|
|
retval = sd_select_card(chip, 0);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_write_cmd_failed;
|
|
}
|
|
}
|
|
|
|
if (acmd) {
|
|
retval = ext_sd_send_cmd_get_rsp(chip, APP_CMD,
|
|
sd_card->sd_addr,
|
|
SD_RSP_TYPE_R1, NULL, 0,
|
|
false);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_write_cmd_failed;
|
|
}
|
|
}
|
|
|
|
retval = ext_sd_send_cmd_get_rsp(chip, cmd_idx, arg, rsp_type,
|
|
sd_card->rsp, rsp_len, false);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_write_cmd_failed;
|
|
}
|
|
|
|
if (data_len <= 512) {
|
|
u16 i;
|
|
u8 *buf;
|
|
|
|
buf = kmalloc(data_len, GFP_KERNEL);
|
|
if (!buf) {
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_ERROR;
|
|
}
|
|
|
|
rtsx_stor_get_xfer_buf(buf, data_len, srb);
|
|
|
|
#ifdef SUPPORT_SD_LOCK
|
|
if (cmd_idx == LOCK_UNLOCK)
|
|
lock_cmd_type = buf[0] & 0x0F;
|
|
#endif
|
|
|
|
if (data_len > 256) {
|
|
rtsx_init_cmd(chip);
|
|
for (i = 0; i < 256; i++) {
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD,
|
|
PPBUF_BASE2 + i, 0xFF, buf[i]);
|
|
}
|
|
retval = rtsx_send_cmd(chip, 0, 250);
|
|
if (retval != STATUS_SUCCESS) {
|
|
kfree(buf);
|
|
rtsx_trace(chip);
|
|
goto sd_execute_write_cmd_failed;
|
|
}
|
|
|
|
rtsx_init_cmd(chip);
|
|
for (i = 256; i < data_len; i++) {
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD,
|
|
PPBUF_BASE2 + i, 0xFF, buf[i]);
|
|
}
|
|
retval = rtsx_send_cmd(chip, 0, 250);
|
|
if (retval != STATUS_SUCCESS) {
|
|
kfree(buf);
|
|
rtsx_trace(chip);
|
|
goto sd_execute_write_cmd_failed;
|
|
}
|
|
} else {
|
|
rtsx_init_cmd(chip);
|
|
for (i = 0; i < data_len; i++) {
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD,
|
|
PPBUF_BASE2 + i, 0xFF, buf[i]);
|
|
}
|
|
retval = rtsx_send_cmd(chip, 0, 250);
|
|
if (retval != STATUS_SUCCESS) {
|
|
kfree(buf);
|
|
rtsx_trace(chip);
|
|
goto sd_execute_write_cmd_failed;
|
|
}
|
|
}
|
|
|
|
kfree(buf);
|
|
|
|
rtsx_init_cmd(chip);
|
|
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_H, 0xFF,
|
|
srb->cmnd[8] & 0x03);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L, 0xFF,
|
|
srb->cmnd[9]);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_H, 0xFF,
|
|
0x00);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_L, 0xFF,
|
|
0x01);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, CARD_DATA_SOURCE, 0x01,
|
|
PINGPONG_BUFFER);
|
|
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF,
|
|
SD_TM_AUTO_WRITE_3 | SD_TRANSFER_START);
|
|
rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER,
|
|
SD_TRANSFER_END, SD_TRANSFER_END);
|
|
|
|
retval = rtsx_send_cmd(chip, SD_CARD, 250);
|
|
} else if (!(data_len & 0x1FF)) {
|
|
rtsx_init_cmd(chip);
|
|
|
|
trans_dma_enable(DMA_TO_DEVICE, chip, data_len, DMA_512);
|
|
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_H, 0xFF,
|
|
0x02);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BYTE_CNT_L, 0xFF,
|
|
0x00);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_H,
|
|
0xFF, (srb->cmnd[7] & 0xFE) >> 1);
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_BLOCK_CNT_L,
|
|
0xFF, (u8)((data_len & 0x0001FE00) >> 9));
|
|
|
|
rtsx_add_cmd(chip, WRITE_REG_CMD, REG_SD_TRANSFER, 0xFF,
|
|
SD_TM_AUTO_WRITE_3 | SD_TRANSFER_START);
|
|
rtsx_add_cmd(chip, CHECK_REG_CMD, REG_SD_TRANSFER,
|
|
SD_TRANSFER_END, SD_TRANSFER_END);
|
|
|
|
rtsx_send_cmd_no_wait(chip);
|
|
|
|
retval = rtsx_transfer_data(chip, SD_CARD, scsi_sglist(srb),
|
|
scsi_bufflen(srb),
|
|
scsi_sg_count(srb),
|
|
DMA_TO_DEVICE, 10000);
|
|
|
|
} else {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_write_cmd_failed;
|
|
}
|
|
|
|
if (retval < 0) {
|
|
write_err = true;
|
|
rtsx_clear_sd_error(chip);
|
|
rtsx_trace(chip);
|
|
goto sd_execute_write_cmd_failed;
|
|
}
|
|
|
|
#ifdef SUPPORT_SD_LOCK
|
|
if (cmd_idx == LOCK_UNLOCK) {
|
|
if (lock_cmd_type == SD_ERASE) {
|
|
sd_card->sd_erase_status = SD_UNDER_ERASING;
|
|
scsi_set_resid(srb, 0);
|
|
return TRANSPORT_GOOD;
|
|
}
|
|
|
|
rtsx_init_cmd(chip);
|
|
rtsx_add_cmd(chip, CHECK_REG_CMD, 0xFD30, 0x02, 0x02);
|
|
|
|
rtsx_send_cmd(chip, SD_CARD, 250);
|
|
|
|
retval = sd_update_lock_status(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
dev_dbg(rtsx_dev(chip), "Lock command fail!\n");
|
|
lock_cmd_fail = 1;
|
|
}
|
|
}
|
|
#endif /* SUPPORT_SD_LOCK */
|
|
|
|
if (standby) {
|
|
retval = sd_select_card(chip, 1);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_write_cmd_failed;
|
|
}
|
|
}
|
|
|
|
if (send_cmd12) {
|
|
retval = ext_sd_send_cmd_get_rsp(chip, STOP_TRANSMISSION, 0,
|
|
SD_RSP_TYPE_R1b, NULL, 0,
|
|
false);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_write_cmd_failed;
|
|
}
|
|
}
|
|
|
|
if (data_len < 512) {
|
|
retval = ext_sd_send_cmd_get_rsp(chip, SET_BLOCKLEN, 0x200,
|
|
SD_RSP_TYPE_R1, NULL, 0,
|
|
false);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_write_cmd_failed;
|
|
}
|
|
|
|
retval = rtsx_write_register(chip, SD_BYTE_CNT_H, 0xFF, 0x02);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_write_cmd_failed;
|
|
}
|
|
|
|
rtsx_write_register(chip, SD_BYTE_CNT_L, 0xFF, 0x00);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_write_cmd_failed;
|
|
}
|
|
}
|
|
|
|
if ((srb->cmnd[1] & 0x02) || (srb->cmnd[1] & 0x04))
|
|
cmd13_checkbit = true;
|
|
|
|
for (i = 0; i < 3; i++) {
|
|
retval = ext_sd_send_cmd_get_rsp(chip, SEND_STATUS,
|
|
sd_card->sd_addr,
|
|
SD_RSP_TYPE_R1, NULL, 0,
|
|
cmd13_checkbit);
|
|
if (retval == STATUS_SUCCESS)
|
|
break;
|
|
}
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
goto sd_execute_write_cmd_failed;
|
|
}
|
|
|
|
#ifdef SUPPORT_SD_LOCK
|
|
if (cmd_idx == LOCK_UNLOCK) {
|
|
if (!lock_cmd_fail) {
|
|
dev_dbg(rtsx_dev(chip), "lock_cmd_type = 0x%x\n",
|
|
lock_cmd_type);
|
|
if (lock_cmd_type & SD_CLR_PWD)
|
|
sd_card->sd_lock_status &= ~SD_PWD_EXIST;
|
|
|
|
if (lock_cmd_type & SD_SET_PWD)
|
|
sd_card->sd_lock_status |= SD_PWD_EXIST;
|
|
}
|
|
|
|
dev_dbg(rtsx_dev(chip), "sd_lock_state = 0x%x, sd_card->sd_lock_status = 0x%x\n",
|
|
sd_lock_state, sd_card->sd_lock_status);
|
|
if (sd_lock_state ^ (sd_card->sd_lock_status & SD_LOCKED)) {
|
|
sd_card->sd_lock_notify = 1;
|
|
if (sd_lock_state) {
|
|
if (sd_card->sd_lock_status & SD_LOCK_1BIT_MODE) {
|
|
sd_card->sd_lock_status |= (
|
|
SD_UNLOCK_POW_ON | SD_SDR_RST);
|
|
if (CHK_SD(sd_card)) {
|
|
retval = reset_sd(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
sd_card->sd_lock_status &= ~(SD_UNLOCK_POW_ON | SD_SDR_RST);
|
|
rtsx_trace(chip);
|
|
goto sd_execute_write_cmd_failed;
|
|
}
|
|
}
|
|
|
|
sd_card->sd_lock_status &= ~(SD_UNLOCK_POW_ON | SD_SDR_RST);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (lock_cmd_fail) {
|
|
scsi_set_resid(srb, 0);
|
|
set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE);
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
#endif /* SUPPORT_SD_LOCK */
|
|
|
|
scsi_set_resid(srb, 0);
|
|
return TRANSPORT_GOOD;
|
|
|
|
sd_execute_write_cmd_failed:
|
|
sd_card->pre_cmd_err = 1;
|
|
set_sense_type(chip, lun, SENSE_TYPE_NO_SENSE);
|
|
if (write_err)
|
|
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_WRITE_ERR);
|
|
|
|
release_sd_card(chip);
|
|
do_reset_sd_card(chip);
|
|
if (!(chip->card_ready & SD_CARD))
|
|
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
|
|
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
|
|
int sd_get_cmd_rsp(struct scsi_cmnd *srb, struct rtsx_chip *chip)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
unsigned int lun = SCSI_LUN(srb);
|
|
int count;
|
|
u16 data_len;
|
|
|
|
if (!sd_card->sd_pass_thru_en) {
|
|
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
|
|
if (sd_card->pre_cmd_err) {
|
|
sd_card->pre_cmd_err = 0;
|
|
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE);
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
|
|
data_len = ((u16)srb->cmnd[7] << 8) | srb->cmnd[8];
|
|
|
|
if (sd_card->last_rsp_type == SD_RSP_TYPE_R0) {
|
|
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
} else if (sd_card->last_rsp_type == SD_RSP_TYPE_R2) {
|
|
count = (data_len < 17) ? data_len : 17;
|
|
} else {
|
|
count = (data_len < 6) ? data_len : 6;
|
|
}
|
|
rtsx_stor_set_xfer_buf(sd_card->rsp, count, srb);
|
|
|
|
dev_dbg(rtsx_dev(chip), "Response length: %d\n", data_len);
|
|
dev_dbg(rtsx_dev(chip), "Response: 0x%x 0x%x 0x%x 0x%x\n",
|
|
sd_card->rsp[0], sd_card->rsp[1],
|
|
sd_card->rsp[2], sd_card->rsp[3]);
|
|
|
|
scsi_set_resid(srb, 0);
|
|
return TRANSPORT_GOOD;
|
|
}
|
|
|
|
int sd_hw_rst(struct scsi_cmnd *srb, struct rtsx_chip *chip)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
unsigned int lun = SCSI_LUN(srb);
|
|
int retval;
|
|
|
|
if (!sd_card->sd_pass_thru_en) {
|
|
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
|
|
if (sd_card->pre_cmd_err) {
|
|
sd_card->pre_cmd_err = 0;
|
|
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_CHANGE);
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
|
|
if ((srb->cmnd[2] != 0x53) || (srb->cmnd[3] != 0x44) ||
|
|
(srb->cmnd[4] != 0x20) || (srb->cmnd[5] != 0x43) ||
|
|
(srb->cmnd[6] != 0x61) || (srb->cmnd[7] != 0x72) ||
|
|
(srb->cmnd[8] != 0x64)) {
|
|
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
|
|
switch (srb->cmnd[1] & 0x0F) {
|
|
case 0:
|
|
#ifdef SUPPORT_SD_LOCK
|
|
if (srb->cmnd[9] == 0x64)
|
|
sd_card->sd_lock_status |= SD_SDR_RST;
|
|
#endif
|
|
retval = reset_sd_card(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
#ifdef SUPPORT_SD_LOCK
|
|
sd_card->sd_lock_status &= ~SD_SDR_RST;
|
|
#endif
|
|
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
|
|
sd_card->pre_cmd_err = 1;
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
#ifdef SUPPORT_SD_LOCK
|
|
sd_card->sd_lock_status &= ~SD_SDR_RST;
|
|
#endif
|
|
break;
|
|
|
|
case 1:
|
|
retval = soft_reset_sd_card(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_NOT_PRESENT);
|
|
sd_card->pre_cmd_err = 1;
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
set_sense_type(chip, lun, SENSE_TYPE_MEDIA_INVALID_CMD_FIELD);
|
|
rtsx_trace(chip);
|
|
return TRANSPORT_FAILED;
|
|
}
|
|
|
|
scsi_set_resid(srb, 0);
|
|
return TRANSPORT_GOOD;
|
|
}
|
|
#endif
|
|
|
|
void sd_cleanup_work(struct rtsx_chip *chip)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
|
|
if (sd_card->seq_mode) {
|
|
dev_dbg(rtsx_dev(chip), "SD: stop transmission\n");
|
|
sd_stop_seq_mode(chip);
|
|
sd_card->cleanup_counter = 0;
|
|
}
|
|
}
|
|
|
|
int sd_power_off_card3v3(struct rtsx_chip *chip)
|
|
{
|
|
int retval;
|
|
|
|
retval = disable_card_clock(chip, SD_CARD);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
retval = rtsx_write_register(chip, CARD_OE, SD_OUTPUT_EN, 0);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
|
|
if (!chip->ft2_fast_mode) {
|
|
retval = card_power_off(chip, SD_CARD);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
wait_timeout(50);
|
|
}
|
|
|
|
if (chip->asic_code) {
|
|
retval = sd_pull_ctl_disable(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
} else {
|
|
retval = rtsx_write_register(chip, FPGA_PULL_CTL,
|
|
FPGA_SD_PULL_CTL_BIT | 0x20,
|
|
FPGA_SD_PULL_CTL_BIT);
|
|
if (retval) {
|
|
rtsx_trace(chip);
|
|
return retval;
|
|
}
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
int release_sd_card(struct rtsx_chip *chip)
|
|
{
|
|
struct sd_info *sd_card = &chip->sd_card;
|
|
int retval;
|
|
|
|
chip->card_ready &= ~SD_CARD;
|
|
chip->card_fail &= ~SD_CARD;
|
|
chip->card_wp &= ~SD_CARD;
|
|
|
|
chip->sd_io = 0;
|
|
chip->sd_int = 0;
|
|
|
|
#ifdef SUPPORT_SD_LOCK
|
|
sd_card->sd_lock_status = 0;
|
|
sd_card->sd_erase_status = 0;
|
|
#endif
|
|
|
|
memset(sd_card->raw_csd, 0, 16);
|
|
memset(sd_card->raw_scr, 0, 8);
|
|
|
|
retval = sd_power_off_card3v3(chip);
|
|
if (retval != STATUS_SUCCESS) {
|
|
rtsx_trace(chip);
|
|
return STATUS_FAIL;
|
|
}
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|