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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Driver for Realtek PCI-Express card reader
*
* Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved.
*
* Author:
* Wei WANG (wei_wang@realsil.com.cn)
* Micky Ching (micky_ching@realsil.com.cn)
*/
#ifndef __REALTEK_RTSX_SD_H
#define __REALTEK_RTSX_SD_H
#include "rtsx_chip.h"
#define SUPPORT_VOLTAGE 0x003C0000
/* Error Code */
#define SD_NO_ERROR 0x0
#define SD_CRC_ERR 0x80
#define SD_TO_ERR 0x40
#define SD_NO_CARD 0x20
#define SD_BUSY 0x10
#define SD_STS_ERR 0x08
#define SD_RSP_TIMEOUT 0x04
#define SD_IO_ERR 0x02
/* Return code for MMC switch bus */
#define SWITCH_SUCCESS 0
#define SWITCH_ERR 1
#define SWITCH_FAIL 2
/* MMC/SD Command Index */
/* Basic command (class 0) */
#define GO_IDLE_STATE 0
#define SEND_OP_COND 1
#define ALL_SEND_CID 2
#define SET_RELATIVE_ADDR 3
#define SEND_RELATIVE_ADDR 3
#define SET_DSR 4
#define IO_SEND_OP_COND 5
#define SWITCH 6
#define SELECT_CARD 7
#define DESELECT_CARD 7
/* CMD8 is "SEND_EXT_CSD" for MMC4.x Spec
* while is "SEND_IF_COND" for SD 2.0
*/
#define SEND_EXT_CSD 8
#define SEND_IF_COND 8
#define SEND_CSD 9
#define SEND_CID 10
#define VOLTAGE_SWITCH 11
#define READ_DAT_UTIL_STOP 11
#define STOP_TRANSMISSION 12
#define SEND_STATUS 13
#define GO_INACTIVE_STATE 15
#define SET_BLOCKLEN 16
#define READ_SINGLE_BLOCK 17
#define READ_MULTIPLE_BLOCK 18
#define SEND_TUNING_PATTERN 19
#define BUSTEST_R 14
#define BUSTEST_W 19
#define WRITE_BLOCK 24
#define WRITE_MULTIPLE_BLOCK 25
#define PROGRAM_CSD 27
#define ERASE_WR_BLK_START 32
#define ERASE_WR_BLK_END 33
#define ERASE_CMD 38
#define LOCK_UNLOCK 42
#define IO_RW_DIRECT 52
#define APP_CMD 55
#define GEN_CMD 56
#define SET_BUS_WIDTH 6
#define SD_STATUS 13
#define SEND_NUM_WR_BLOCKS 22
#define SET_WR_BLK_ERASE_COUNT 23
#define SD_APP_OP_COND 41
#define SET_CLR_CARD_DETECT 42
#define SEND_SCR 51
#define SD_READ_COMPLETE 0x00
#define SD_READ_TO 0x01
#define SD_READ_ADVENCE 0x02
#define SD_CHECK_MODE 0x00
#define SD_SWITCH_MODE 0x80
#define SD_FUNC_GROUP_1 0x01
#define SD_FUNC_GROUP_2 0x02
#define SD_FUNC_GROUP_3 0x03
#define SD_FUNC_GROUP_4 0x04
#define SD_CHECK_SPEC_V1_1 0xFF
#define NO_ARGUMENT 0x00
#define CHECK_PATTERN 0x000000AA
#define VOLTAGE_SUPPLY_RANGE 0x00000100
#define SUPPORT_HIGH_AND_EXTENDED_CAPACITY 0x40000000
#define SUPPORT_MAX_POWER_PERMANCE 0x10000000
#define SUPPORT_1V8 0x01000000
#define SWITCH_NO_ERR 0x00
#define CARD_NOT_EXIST 0x01
#define SPEC_NOT_SUPPORT 0x02
#define CHECK_MODE_ERR 0x03
#define CHECK_NOT_READY 0x04
#define SWITCH_CRC_ERR 0x05
#define SWITCH_MODE_ERR 0x06
#define SWITCH_PASS 0x07
#ifdef SUPPORT_SD_LOCK
#define SD_ERASE 0x08
#define SD_LOCK 0x04
#define SD_UNLOCK 0x00
#define SD_CLR_PWD 0x02
#define SD_SET_PWD 0x01
#define SD_PWD_LEN 0x10
#define SD_LOCKED 0x80
#define SD_LOCK_1BIT_MODE 0x40
#define SD_PWD_EXIST 0x20
#define SD_UNLOCK_POW_ON 0x01
#define SD_SDR_RST 0x02
#define SD_NOT_ERASE 0x00
#define SD_UNDER_ERASING 0x01
#define SD_COMPLETE_ERASE 0x02
#define SD_RW_FORBIDDEN 0x0F
#endif
#define HS_SUPPORT 0x01
#define SDR50_SUPPORT 0x02
#define SDR104_SUPPORT 0x03
#define DDR50_SUPPORT 0x04
#define HS_SUPPORT_MASK 0x02
#define SDR50_SUPPORT_MASK 0x04
#define SDR104_SUPPORT_MASK 0x08
#define DDR50_SUPPORT_MASK 0x10
#define HS_QUERY_SWITCH_OK 0x01
#define SDR50_QUERY_SWITCH_OK 0x02
#define SDR104_QUERY_SWITCH_OK 0x03
#define DDR50_QUERY_SWITCH_OK 0x04
#define HS_SWITCH_BUSY 0x02
#define SDR50_SWITCH_BUSY 0x04
#define SDR104_SWITCH_BUSY 0x08
#define DDR50_SWITCH_BUSY 0x10
#define FUNCTION_GROUP1_SUPPORT_OFFSET 0x0D
#define FUNCTION_GROUP1_QUERY_SWITCH_OFFSET 0x10
#define FUNCTION_GROUP1_CHECK_BUSY_OFFSET 0x1D
#define DRIVING_TYPE_A 0x01
#define DRIVING_TYPE_B 0x00
#define DRIVING_TYPE_C 0x02
#define DRIVING_TYPE_D 0x03
#define DRIVING_TYPE_A_MASK 0x02
#define DRIVING_TYPE_B_MASK 0x01
#define DRIVING_TYPE_C_MASK 0x04
#define DRIVING_TYPE_D_MASK 0x08
#define TYPE_A_QUERY_SWITCH_OK 0x01
#define TYPE_B_QUERY_SWITCH_OK 0x00
#define TYPE_C_QUERY_SWITCH_OK 0x02
#define TYPE_D_QUERY_SWITCH_OK 0x03
#define TYPE_A_SWITCH_BUSY 0x02
#define TYPE_B_SWITCH_BUSY 0x01
#define TYPE_C_SWITCH_BUSY 0x04
#define TYPE_D_SWITCH_BUSY 0x08
#define FUNCTION_GROUP3_SUPPORT_OFFSET 0x09
#define FUNCTION_GROUP3_QUERY_SWITCH_OFFSET 0x0F
#define FUNCTION_GROUP3_CHECK_BUSY_OFFSET 0x19
#define CURRENT_LIMIT_200 0x00
#define CURRENT_LIMIT_400 0x01
#define CURRENT_LIMIT_600 0x02
#define CURRENT_LIMIT_800 0x03
#define CURRENT_LIMIT_200_MASK 0x01
#define CURRENT_LIMIT_400_MASK 0x02
#define CURRENT_LIMIT_600_MASK 0x04
#define CURRENT_LIMIT_800_MASK 0x08
#define CURRENT_LIMIT_200_QUERY_SWITCH_OK 0x00
#define CURRENT_LIMIT_400_QUERY_SWITCH_OK 0x01
#define CURRENT_LIMIT_600_QUERY_SWITCH_OK 0x02
#define CURRENT_LIMIT_800_QUERY_SWITCH_OK 0x03
#define CURRENT_LIMIT_200_SWITCH_BUSY 0x01
#define CURRENT_LIMIT_400_SWITCH_BUSY 0x02
#define CURRENT_LIMIT_600_SWITCH_BUSY 0x04
#define CURRENT_LIMIT_800_SWITCH_BUSY 0x08
#define FUNCTION_GROUP4_SUPPORT_OFFSET 0x07
#define FUNCTION_GROUP4_QUERY_SWITCH_OFFSET 0x0F
#define FUNCTION_GROUP4_CHECK_BUSY_OFFSET 0x17
#define DATA_STRUCTURE_VER_OFFSET 0x11
#define MAX_PHASE 31
#define MMC_8BIT_BUS 0x0010
#define MMC_4BIT_BUS 0x0020
#define MMC_SWITCH_ERR 0x80
#define SD_IO_3V3 0
#define SD_IO_1V8 1
#define TUNE_TX 0x00
#define TUNE_RX 0x01
#define CHANGE_TX 0x00
#define CHANGE_RX 0x01
#define DCM_HIGH_FREQUENCY_MODE 0x00
#define DCM_LOW_FREQUENCY_MODE 0x01
#define DCM_HIGH_FREQUENCY_MODE_SET 0x0C
#define DCM_Low_FREQUENCY_MODE_SET 0x00
#define MULTIPLY_BY_1 0x00
#define MULTIPLY_BY_2 0x01
#define MULTIPLY_BY_3 0x02
#define MULTIPLY_BY_4 0x03
#define MULTIPLY_BY_5 0x04
#define MULTIPLY_BY_6 0x05
#define MULTIPLY_BY_7 0x06
#define MULTIPLY_BY_8 0x07
#define MULTIPLY_BY_9 0x08
#define MULTIPLY_BY_10 0x09
#define DIVIDE_BY_2 0x01
#define DIVIDE_BY_3 0x02
#define DIVIDE_BY_4 0x03
#define DIVIDE_BY_5 0x04
#define DIVIDE_BY_6 0x05
#define DIVIDE_BY_7 0x06
#define DIVIDE_BY_8 0x07
#define DIVIDE_BY_9 0x08
#define DIVIDE_BY_10 0x09
struct timing_phase_path {
int start;
int end;
int mid;
int len;
};
int sd_select_card(struct rtsx_chip *chip, int select);
int sd_pull_ctl_enable(struct rtsx_chip *chip);
int reset_sd_card(struct rtsx_chip *chip);
int sd_switch_clock(struct rtsx_chip *chip);
void sd_stop_seq_mode(struct rtsx_chip *chip);
int sd_rw(struct scsi_cmnd *srb, struct rtsx_chip *chip,
u32 start_sector, u16 sector_cnt);
void sd_cleanup_work(struct rtsx_chip *chip);
int sd_power_off_card3v3(struct rtsx_chip *chip);
int release_sd_card(struct rtsx_chip *chip);
#ifdef SUPPORT_CPRM
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 ext_sd_get_rsp(struct rtsx_chip *chip, int len, u8 *rsp, u8 rsp_type);
int sd_pass_thru_mode(struct scsi_cmnd *srb, struct rtsx_chip *chip);
int sd_execute_no_data(struct scsi_cmnd *srb, struct rtsx_chip *chip);
int sd_execute_read_data(struct scsi_cmnd *srb, struct rtsx_chip *chip);
int sd_execute_write_data(struct scsi_cmnd *srb, struct rtsx_chip *chip);
int sd_get_cmd_rsp(struct scsi_cmnd *srb, struct rtsx_chip *chip);
int sd_hw_rst(struct scsi_cmnd *srb, struct rtsx_chip *chip);
#endif
#endif /* __REALTEK_RTSX_SD_H */
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