/* Driver for Realtek PCI-Express card reader
 *
 * Copyright(c) 2009 Realtek Semiconductor Corp. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2, or (at your option) any
 * later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, see <http://www.gnu.org/licenses/>.
 *
 * Author:
 *   Wei WANG <wei_wang@realsil.com.cn>
 *   No. 450, Shenhu Road, Suzhou Industry Park, Suzhou, China
 */

#ifndef __RTSX_PCI_H
#define __RTSX_PCI_H

#include <linux/sched.h>
#include <linux/pci.h>

#include "rtsx_common.h"

#define MAX_RW_REG_CNT                  1024

/* PCI Operation Register Address */
#define RTSX_HCBAR                      0x00
#define RTSX_HCBCTLR                    0x04
#define RTSX_HDBAR                      0x08
#define RTSX_HDBCTLR                    0x0C
#define RTSX_HAIMR                      0x10
#define RTSX_BIPR                       0x14
#define RTSX_BIER                       0x18

/* Host command buffer control register */
#define STOP_CMD                        (0x01 << 28)

/* Host data buffer control register */
#define SDMA_MODE                       0x00
#define ADMA_MODE                       (0x02 << 26)
#define STOP_DMA                        (0x01 << 28)
#define TRIG_DMA                        (0x01 << 31)

/* Host access internal memory register */
#define HAIMR_TRANS_START               (0x01 << 31)
#define HAIMR_READ                      0x00
#define HAIMR_WRITE                     (0x01 << 30)
#define HAIMR_READ_START                (HAIMR_TRANS_START | HAIMR_READ)
#define HAIMR_WRITE_START               (HAIMR_TRANS_START | HAIMR_WRITE)
#define HAIMR_TRANS_END                 (HAIMR_TRANS_START)

/* Bus interrupt pending register */
#define CMD_DONE_INT                    (1 << 31)
#define DATA_DONE_INT                   (1 << 30)
#define TRANS_OK_INT                    (1 << 29)
#define TRANS_FAIL_INT                  (1 << 28)
#define XD_INT                          (1 << 27)
#define MS_INT                          (1 << 26)
#define SD_INT                          (1 << 25)
#define GPIO0_INT                       (1 << 24)
#define OC_INT                          (1 << 23)
#define SD_WRITE_PROTECT                (1 << 19)
#define XD_EXIST                        (1 << 18)
#define MS_EXIST                        (1 << 17)
#define SD_EXIST                        (1 << 16)
#define DELINK_INT                      GPIO0_INT
#define MS_OC_INT                       (1 << 23)
#define SD_OC_INT                       (1 << 22)

#define CARD_INT                (XD_INT | MS_INT | SD_INT)
#define NEED_COMPLETE_INT       (DATA_DONE_INT | TRANS_OK_INT | TRANS_FAIL_INT)
#define RTSX_INT                (CMD_DONE_INT | NEED_COMPLETE_INT | \
                                        CARD_INT | GPIO0_INT | OC_INT)

#define CARD_EXIST              (XD_EXIST | MS_EXIST | SD_EXIST)

/* Bus interrupt enable register */
#define CMD_DONE_INT_EN         (1 << 31)
#define DATA_DONE_INT_EN        (1 << 30)
#define TRANS_OK_INT_EN         (1 << 29)
#define TRANS_FAIL_INT_EN       (1 << 28)
#define XD_INT_EN               (1 << 27)
#define MS_INT_EN               (1 << 26)
#define SD_INT_EN               (1 << 25)
#define GPIO0_INT_EN            (1 << 24)
#define OC_INT_EN               (1 << 23)
#define DELINK_INT_EN           GPIO0_INT_EN
#define MS_OC_INT_EN            (1 << 23)
#define SD_OC_INT_EN            (1 << 22)

#define READ_REG_CMD            0
#define WRITE_REG_CMD           1
#define CHECK_REG_CMD           2

/*
 * macros for easy use
 */
#define rtsx_pci_writel(pcr, reg, value) \
        iowrite32(value, (pcr)->remap_addr + reg)
#define rtsx_pci_readl(pcr, reg) \
        ioread32((pcr)->remap_addr + reg)
#define rtsx_pci_writew(pcr, reg, value) \
        iowrite16(value, (pcr)->remap_addr + reg)
#define rtsx_pci_readw(pcr, reg) \
        ioread16((pcr)->remap_addr + reg)
#define rtsx_pci_writeb(pcr, reg, value) \
        iowrite8(value, (pcr)->remap_addr + reg)
#define rtsx_pci_readb(pcr, reg) \
        ioread8((pcr)->remap_addr + reg)

#define rtsx_pci_read_config_byte(pcr, where, val) \
        pci_read_config_byte((pcr)->pci, where, val)

#define rtsx_pci_write_config_byte(pcr, where, val) \
        pci_write_config_byte((pcr)->pci, where, val)

#define rtsx_pci_read_config_dword(pcr, where, val) \
        pci_read_config_dword((pcr)->pci, where, val)

#define rtsx_pci_write_config_dword(pcr, where, val) \
        pci_write_config_dword((pcr)->pci, where, val)

#define STATE_TRANS_NONE        0
#define STATE_TRANS_CMD         1
#define STATE_TRANS_BUF         2
#define STATE_TRANS_SG          3

#define TRANS_NOT_READY         0
#define TRANS_RESULT_OK         1
#define TRANS_RESULT_FAIL       2
#define TRANS_NO_DEVICE         3

#define RTSX_RESV_BUF_LEN       4096
#define HOST_CMDS_BUF_LEN       1024
#define HOST_SG_TBL_BUF_LEN     (RTSX_RESV_BUF_LEN - HOST_CMDS_BUF_LEN)
#define HOST_SG_TBL_ITEMS       (HOST_SG_TBL_BUF_LEN / 8)
#define MAX_SG_ITEM_LEN         0x80000

#define HOST_TO_DEVICE          0
#define DEVICE_TO_HOST          1

#define MAX_PHASE               31
#define RX_TUNING_CNT           3

/* SG descriptor */
#define SG_INT                  0x04
#define SG_END                  0x02
#define SG_VALID                0x01

#define SG_NO_OP                0x00
#define SG_TRANS_DATA           (0x02 << 4)
#define SG_LINK_DESC            (0x03 << 4)

/* Output voltage */
#define OUTPUT_3V3              0
#define OUTPUT_1V8              1

/* Card Clock Enable Register */
#define SD_CLK_EN                       0x04
#define MS_CLK_EN                       0x08

/* Card Select Register */
#define SD_MOD_SEL                      2
#define MS_MOD_SEL                      3

/* Card Output Enable Register */
#define SD_OUTPUT_EN                    0x04
#define MS_OUTPUT_EN                    0x08

/* CARD_SHARE_MODE */
#define CARD_SHARE_MASK                 0x0F
#define CARD_SHARE_MULTI_LUN            0x00
#define CARD_SHARE_NORMAL               0x00
#define CARD_SHARE_48_SD                0x04
#define CARD_SHARE_48_MS                0x08
/* CARD_SHARE_MODE for barossa */
#define CARD_SHARE_BAROSSA_SD           0x01
#define CARD_SHARE_BAROSSA_MS           0x02

/* SD30_DRIVE_SEL */
#define DRIVER_TYPE_A                   0x05
#define DRIVER_TYPE_B                   0x03
#define DRIVER_TYPE_C                   0x02
#define DRIVER_TYPE_D                   0x01

/* FPDCTL */
#define SSC_POWER_DOWN                  0x01
#define SD_OC_POWER_DOWN                0x02
#define ALL_POWER_DOWN                  0x07
#define OC_POWER_DOWN                   0x06

/* CLK_CTL */
#define CHANGE_CLK                      0x01

/* LDO_CTL */
#define BPP_ASIC_1V7                    0x00
#define BPP_ASIC_1V8                    0x01
#define BPP_ASIC_1V9                    0x02
#define BPP_ASIC_2V0                    0x03
#define BPP_ASIC_2V7                    0x04
#define BPP_ASIC_2V8                    0x05
#define BPP_ASIC_3V2                    0x06
#define BPP_ASIC_3V3                    0x07
#define BPP_REG_TUNED18                 0x07
#define BPP_TUNED18_SHIFT_8402          5
#define BPP_TUNED18_SHIFT_8411          4
#define BPP_PAD_MASK                    0x04
#define BPP_PAD_3V3                     0x04
#define BPP_PAD_1V8                     0x00
#define BPP_LDO_POWB                    0x03
#define BPP_LDO_ON                      0x00
#define BPP_LDO_SUSPEND                 0x02
#define BPP_LDO_OFF                     0x03

/* CD_PAD_CTL */
#define CD_DISABLE_MASK                 0x07
#define MS_CD_DISABLE                   0x04
#define SD_CD_DISABLE                   0x02
#define XD_CD_DISABLE                   0x01
#define CD_DISABLE                      0x07
#define CD_ENABLE                       0x00
#define MS_CD_EN_ONLY                   0x03
#define SD_CD_EN_ONLY                   0x05
#define XD_CD_EN_ONLY                   0x06
#define FORCE_CD_LOW_MASK               0x38
#define FORCE_CD_XD_LOW                 0x08
#define FORCE_CD_SD_LOW                 0x10
#define FORCE_CD_MS_LOW                 0x20
#define CD_AUTO_DISABLE                 0x40

/* SD_STAT1 */
#define SD_CRC7_ERR                     0x80
#define SD_CRC16_ERR                    0x40
#define SD_CRC_WRITE_ERR                0x20
#define SD_CRC_WRITE_ERR_MASK           0x1C
#define GET_CRC_TIME_OUT                0x02
#define SD_TUNING_COMPARE_ERR           0x01

/* SD_STAT2 */
#define SD_RSP_80CLK_TIMEOUT            0x01

/* SD_BUS_STAT */
#define SD_CLK_TOGGLE_EN                0x80
#define SD_CLK_FORCE_STOP               0x40
#define SD_DAT3_STATUS                  0x10
#define SD_DAT2_STATUS                  0x08
#define SD_DAT1_STATUS                  0x04
#define SD_DAT0_STATUS                  0x02
#define SD_CMD_STATUS                   0x01

/* SD_PAD_CTL */
#define SD_IO_USING_1V8                 0x80
#define SD_IO_USING_3V3                 0x7F
#define TYPE_A_DRIVING                  0x00
#define TYPE_B_DRIVING                  0x01
#define TYPE_C_DRIVING                  0x02
#define TYPE_D_DRIVING                  0x03

/* SD_SAMPLE_POINT_CTL */
#define DDR_FIX_RX_DAT                  0x00
#define DDR_VAR_RX_DAT                  0x80
#define DDR_FIX_RX_DAT_EDGE             0x00
#define DDR_FIX_RX_DAT_14_DELAY         0x40
#define DDR_FIX_RX_CMD                  0x00
#define DDR_VAR_RX_CMD                  0x20
#define DDR_FIX_RX_CMD_POS_EDGE         0x00
#define DDR_FIX_RX_CMD_14_DELAY         0x10
#define SD20_RX_POS_EDGE                0x00
#define SD20_RX_14_DELAY                0x08
#define SD20_RX_SEL_MASK                0x08

/* SD_PUSH_POINT_CTL */
#define DDR_FIX_TX_CMD_DAT              0x00
#define DDR_VAR_TX_CMD_DAT              0x80
#define DDR_FIX_TX_DAT_14_TSU           0x00
#define DDR_FIX_TX_DAT_12_TSU           0x40
#define DDR_FIX_TX_CMD_NEG_EDGE         0x00
#define DDR_FIX_TX_CMD_14_AHEAD         0x20
#define SD20_TX_NEG_EDGE                0x00
#define SD20_TX_14_AHEAD                0x10
#define SD20_TX_SEL_MASK                0x10
#define DDR_VAR_SDCLK_POL_SWAP          0x01

/* SD_TRANSFER */
#define SD_TRANSFER_START               0x80
#define SD_TRANSFER_END                 0x40
#define SD_STAT_IDLE                    0x20
#define SD_TRANSFER_ERR                 0x10
/* SD Transfer Mode definition */
#define SD_TM_NORMAL_WRITE              0x00
#define SD_TM_AUTO_WRITE_3              0x01
#define SD_TM_AUTO_WRITE_4              0x02
#define SD_TM_AUTO_READ_3               0x05
#define SD_TM_AUTO_READ_4               0x06
#define SD_TM_CMD_RSP                   0x08
#define SD_TM_AUTO_WRITE_1              0x09
#define SD_TM_AUTO_WRITE_2              0x0A
#define SD_TM_NORMAL_READ               0x0C
#define SD_TM_AUTO_READ_1               0x0D
#define SD_TM_AUTO_READ_2               0x0E
#define SD_TM_AUTO_TUNING               0x0F

/* SD_VPTX_CTL / SD_VPRX_CTL */
#define PHASE_CHANGE                    0x80
#define PHASE_NOT_RESET                 0x40

/* SD_DCMPS_TX_CTL / SD_DCMPS_RX_CTL */
#define DCMPS_CHANGE                    0x80
#define DCMPS_CHANGE_DONE               0x40
#define DCMPS_ERROR                     0x20
#define DCMPS_CURRENT_PHASE             0x1F

/* SD Configure 1 Register */
#define SD_CLK_DIVIDE_0                 0x00
#define SD_CLK_DIVIDE_256               0xC0
#define SD_CLK_DIVIDE_128               0x80
#define SD_BUS_WIDTH_1BIT               0x00
#define SD_BUS_WIDTH_4BIT               0x01
#define SD_BUS_WIDTH_8BIT               0x02
#define SD_ASYNC_FIFO_NOT_RST           0x10
#define SD_20_MODE                      0x00
#define SD_DDR_MODE                     0x04
#define SD_30_MODE                      0x08

#define SD_CLK_DIVIDE_MASK              0xC0

/* SD_CMD_STATE */
#define SD_CMD_IDLE                     0x80

/* SD_DATA_STATE */
#define SD_DATA_IDLE                    0x80

/* DCM_DRP_CTL */
#define DCM_RESET                       0x08
#define DCM_LOCKED                      0x04
#define DCM_208M                        0x00
#define DCM_TX                          0x01
#define DCM_RX                          0x02

/* DCM_DRP_TRIG */
#define DRP_START                       0x80
#define DRP_DONE                        0x40

/* DCM_DRP_CFG */
#define DRP_WRITE                       0x80
#define DRP_READ                        0x00
#define DCM_WRITE_ADDRESS_50            0x50
#define DCM_WRITE_ADDRESS_51            0x51
#define DCM_READ_ADDRESS_00             0x00
#define DCM_READ_ADDRESS_51             0x51

/* IRQSTAT0 */
#define DMA_DONE_INT                    0x80
#define SUSPEND_INT                     0x40
#define LINK_RDY_INT                    0x20
#define LINK_DOWN_INT                   0x10

/* DMACTL */
#define DMA_RST                         0x80
#define DMA_BUSY                        0x04
#define DMA_DIR_TO_CARD                 0x00
#define DMA_DIR_FROM_CARD               0x02
#define DMA_EN                          0x01
#define DMA_128                         (0 << 4)
#define DMA_256                         (1 << 4)
#define DMA_512                         (2 << 4)
#define DMA_1024                        (3 << 4)
#define DMA_PACK_SIZE_MASK              0x30

/* SSC_CTL1 */
#define SSC_RSTB                        0x80
#define SSC_8X_EN                       0x40
#define SSC_FIX_FRAC                    0x20
#define SSC_SEL_1M                      0x00
#define SSC_SEL_2M                      0x08
#define SSC_SEL_4M                      0x10
#define SSC_SEL_8M                      0x18

/* SSC_CTL2 */
#define SSC_DEPTH_MASK                  0x07
#define SSC_DEPTH_DISALBE               0x00
#define SSC_DEPTH_4M                    0x01
#define SSC_DEPTH_2M                    0x02
#define SSC_DEPTH_1M                    0x03
#define SSC_DEPTH_500K                  0x04
#define SSC_DEPTH_250K                  0x05

/* System Clock Control Register */
#define CLK_LOW_FREQ                    0x01

/* System Clock Divider Register */
#define CLK_DIV_1                       0x01
#define CLK_DIV_2                       0x02
#define CLK_DIV_4                       0x03
#define CLK_DIV_8                       0x04

/* MS_CFG */
#define SAMPLE_TIME_RISING              0x00
#define SAMPLE_TIME_FALLING             0x80
#define PUSH_TIME_DEFAULT               0x00
#define PUSH_TIME_ODD                   0x40
#define NO_EXTEND_TOGGLE                0x00
#define EXTEND_TOGGLE_CHK               0x20
#define MS_BUS_WIDTH_1                  0x00
#define MS_BUS_WIDTH_4                  0x10
#define MS_BUS_WIDTH_8                  0x18
#define MS_2K_SECTOR_MODE               0x04
#define MS_512_SECTOR_MODE              0x00
#define MS_TOGGLE_TIMEOUT_EN            0x00
#define MS_TOGGLE_TIMEOUT_DISEN         0x01
#define MS_NO_CHECK_INT                 0x02

/* MS_TRANS_CFG */
#define WAIT_INT                        0x80
#define NO_WAIT_INT                     0x00
#define NO_AUTO_READ_INT_REG            0x00
#define AUTO_READ_INT_REG               0x40
#define MS_CRC16_ERR                    0x20
#define MS_RDY_TIMEOUT                  0x10
#define MS_INT_CMDNK                    0x08
#define MS_INT_BREQ                     0x04
#define MS_INT_ERR                      0x02
#define MS_INT_CED                      0x01

/* MS_TRANSFER */
#define MS_TRANSFER_START               0x80
#define MS_TRANSFER_END                 0x40
#define MS_TRANSFER_ERR                 0x20
#define MS_BS_STATE                     0x10
#define MS_TM_READ_BYTES                0x00
#define MS_TM_NORMAL_READ               0x01
#define MS_TM_WRITE_BYTES               0x04
#define MS_TM_NORMAL_WRITE              0x05
#define MS_TM_AUTO_READ                 0x08
#define MS_TM_AUTO_WRITE                0x0C

/* SD Configure 2 Register */
#define SD_CALCULATE_CRC7               0x00
#define SD_NO_CALCULATE_CRC7            0x80
#define SD_CHECK_CRC16                  0x00
#define SD_NO_CHECK_CRC16               0x40
#define SD_NO_CHECK_WAIT_CRC_TO         0x20
#define SD_WAIT_BUSY_END                0x08
#define SD_NO_WAIT_BUSY_END             0x00
#define SD_CHECK_CRC7                   0x00
#define SD_NO_CHECK_CRC7                0x04
#define SD_RSP_LEN_0                    0x00
#define SD_RSP_LEN_6                    0x01
#define SD_RSP_LEN_17                   0x02
/* SD/MMC Response Type Definition */
#define SD_RSP_TYPE_R0                  0x04
#define SD_RSP_TYPE_R1                  0x01
#define SD_RSP_TYPE_R1b                 0x09
#define SD_RSP_TYPE_R2                  0x02
#define SD_RSP_TYPE_R3                  0x05
#define SD_RSP_TYPE_R4                  0x05
#define SD_RSP_TYPE_R5                  0x01
#define SD_RSP_TYPE_R6                  0x01
#define SD_RSP_TYPE_R7                  0x01

/* SD_CONFIGURE3 */
#define SD_RSP_80CLK_TIMEOUT_EN         0x01

/* Card Transfer Reset Register */
#define SPI_STOP                        0x01
#define XD_STOP                         0x02
#define SD_STOP                         0x04
#define MS_STOP                         0x08
#define SPI_CLR_ERR                     0x10
#define XD_CLR_ERR                      0x20
#define SD_CLR_ERR                      0x40
#define MS_CLR_ERR                      0x80

/* Card Data Source Register */
#define PINGPONG_BUFFER                 0x01
#define RING_BUFFER                     0x00

/* Card Power Control Register */
#define PMOS_STRG_MASK                  0x10
#define PMOS_STRG_800mA                 0x10
#define PMOS_STRG_400mA                 0x00
#define SD_POWER_OFF                    0x03
#define SD_PARTIAL_POWER_ON             0x01
#define SD_POWER_ON                     0x00
#define SD_POWER_MASK                   0x03
#define MS_POWER_OFF                    0x0C
#define MS_PARTIAL_POWER_ON             0x04
#define MS_POWER_ON                     0x00
#define MS_POWER_MASK                   0x0C
#define BPP_POWER_OFF                   0x0F
#define BPP_POWER_5_PERCENT_ON          0x0E
#define BPP_POWER_10_PERCENT_ON         0x0C
#define BPP_POWER_15_PERCENT_ON         0x08
#define BPP_POWER_ON                    0x00
#define BPP_POWER_MASK                  0x0F
#define SD_VCC_PARTIAL_POWER_ON         0x02
#define SD_VCC_POWER_ON                 0x00

/* PWR_GATE_CTRL */
#define PWR_GATE_EN                     0x01
#define LDO3318_PWR_MASK                0x06
#define LDO_ON                          0x00
#define LDO_SUSPEND                     0x04
#define LDO_OFF                         0x06

/* CARD_CLK_SOURCE */
#define CRC_FIX_CLK                     (0x00 << 0)
#define CRC_VAR_CLK0                    (0x01 << 0)
#define CRC_VAR_CLK1                    (0x02 << 0)
#define SD30_FIX_CLK                    (0x00 << 2)
#define SD30_VAR_CLK0                   (0x01 << 2)
#define SD30_VAR_CLK1                   (0x02 << 2)
#define SAMPLE_FIX_CLK                  (0x00 << 4)
#define SAMPLE_VAR_CLK0                 (0x01 << 4)
#define SAMPLE_VAR_CLK1                 (0x02 << 4)

#define MS_CFG                          0xFD40
#define MS_TPC                          0xFD41
#define MS_TRANS_CFG                    0xFD42
#define MS_TRANSFER                     0xFD43
#define MS_INT_REG                      0xFD44
#define MS_BYTE_CNT                     0xFD45
#define MS_SECTOR_CNT_L                 0xFD46
#define MS_SECTOR_CNT_H                 0xFD47
#define MS_DBUS_H                       0xFD48

#define SD_CFG1                         0xFDA0
#define SD_CFG2                         0xFDA1
#define SD_CFG3                         0xFDA2
#define SD_STAT1                        0xFDA3
#define SD_STAT2                        0xFDA4
#define SD_BUS_STAT                     0xFDA5
#define SD_PAD_CTL                      0xFDA6
#define SD_SAMPLE_POINT_CTL             0xFDA7
#define SD_PUSH_POINT_CTL               0xFDA8
#define SD_CMD0                         0xFDA9
#define SD_CMD1                         0xFDAA
#define SD_CMD2                         0xFDAB
#define SD_CMD3                         0xFDAC
#define SD_CMD4                         0xFDAD
#define SD_CMD5                         0xFDAE
#define SD_BYTE_CNT_L                   0xFDAF
#define SD_BYTE_CNT_H                   0xFDB0
#define SD_BLOCK_CNT_L                  0xFDB1
#define SD_BLOCK_CNT_H                  0xFDB2
#define SD_TRANSFER                     0xFDB3
#define SD_CMD_STATE                    0xFDB5
#define SD_DATA_STATE                   0xFDB6

#define SRCTL                           0xFC13

#define DCM_DRP_CTL                     0xFC23
#define DCM_DRP_TRIG                    0xFC24
#define DCM_DRP_CFG                     0xFC25
#define DCM_DRP_WR_DATA_L               0xFC26
#define DCM_DRP_WR_DATA_H               0xFC27
#define DCM_DRP_RD_DATA_L               0xFC28
#define DCM_DRP_RD_DATA_H               0xFC29
#define SD_VPCLK0_CTL                   0xFC2A
#define SD_VPCLK1_CTL                   0xFC2B
#define SD_DCMPS0_CTL                   0xFC2C
#define SD_DCMPS1_CTL                   0xFC2D
#define SD_VPTX_CTL                     SD_VPCLK0_CTL
#define SD_VPRX_CTL                     SD_VPCLK1_CTL
#define SD_DCMPS_TX_CTL                 SD_DCMPS0_CTL
#define SD_DCMPS_RX_CTL                 SD_DCMPS1_CTL
#define CARD_CLK_SOURCE                 0xFC2E

#define CARD_PWR_CTL                    0xFD50
#define CARD_CLK_SWITCH                 0xFD51
#define RTL8411B_PACKAGE_MODE           0xFD51
#define CARD_SHARE_MODE                 0xFD52
#define CARD_DRIVE_SEL                  0xFD53
#define CARD_STOP                       0xFD54
#define CARD_OE                         0xFD55
#define CARD_AUTO_BLINK                 0xFD56
#define CARD_GPIO_DIR                   0xFD57
#define CARD_GPIO                       0xFD58
#define CARD_DATA_SOURCE                0xFD5B
#define SD30_CLK_DRIVE_SEL              0xFD5A
#define CARD_SELECT                     0xFD5C
#define SD30_DRIVE_SEL                  0xFD5E
#define SD30_CMD_DRIVE_SEL              0xFD5E
#define SD30_DAT_DRIVE_SEL              0xFD5F
#define CARD_CLK_EN                     0xFD69
#define SDIO_CTRL                       0xFD6B
#define CD_PAD_CTL                      0xFD73

#define FPDCTL                          0xFC00
#define PDINFO                          0xFC01

#define CLK_CTL                         0xFC02
#define CLK_DIV                         0xFC03
#define CLK_SEL                         0xFC04

#define SSC_DIV_N_0                     0xFC0F
#define SSC_DIV_N_1                     0xFC10
#define SSC_CTL1                        0xFC11
#define SSC_CTL2                        0xFC12

#define RCCTL                           0xFC14

#define FPGA_PULL_CTL                   0xFC1D
#define OLT_LED_CTL                     0xFC1E
#define GPIO_CTL                        0xFC1F

#define LDO_CTL                         0xFC1E
#define SYS_VER                         0xFC32

#define CARD_PULL_CTL1                  0xFD60
#define CARD_PULL_CTL2                  0xFD61
#define CARD_PULL_CTL3                  0xFD62
#define CARD_PULL_CTL4                  0xFD63
#define CARD_PULL_CTL5                  0xFD64
#define CARD_PULL_CTL6                  0xFD65

/* PCI Express Related Registers */
#define IRQEN0                          0xFE20
#define IRQSTAT0                        0xFE21
#define IRQEN1                          0xFE22
#define IRQSTAT1                        0xFE23
#define TLPRIEN                         0xFE24
#define TLPRISTAT                       0xFE25
#define TLPTIEN                         0xFE26
#define TLPTISTAT                       0xFE27
#define DMATC0                          0xFE28
#define DMATC1                          0xFE29
#define DMATC2                          0xFE2A
#define DMATC3                          0xFE2B
#define DMACTL                          0xFE2C
#define BCTL                            0xFE2D
#define RBBC0                           0xFE2E
#define RBBC1                           0xFE2F
#define RBDAT                           0xFE30
#define RBCTL                           0xFE34
#define CFGADDR0                        0xFE35
#define CFGADDR1                        0xFE36
#define CFGDATA0                        0xFE37
#define CFGDATA1                        0xFE38
#define CFGDATA2                        0xFE39
#define CFGDATA3                        0xFE3A
#define CFGRWCTL                        0xFE3B
#define PHYRWCTL                        0xFE3C
#define PHYDATA0                        0xFE3D
#define PHYDATA1                        0xFE3E
#define PHYADDR                         0xFE3F
#define MSGRXDATA0                      0xFE40
#define MSGRXDATA1                      0xFE41
#define MSGRXDATA2                      0xFE42
#define MSGRXDATA3                      0xFE43
#define MSGTXDATA0                      0xFE44
#define MSGTXDATA1                      0xFE45
#define MSGTXDATA2                      0xFE46
#define MSGTXDATA3                      0xFE47
#define MSGTXCTL                        0xFE48
#define PETXCFG                         0xFE49
#define LTR_CTL                         0xFE4A
#define OBFF_CFG                        0xFE4C

#define CDRESUMECTL                     0xFE52
#define WAKE_SEL_CTL                    0xFE54
#define PME_FORCE_CTL                   0xFE56
#define ASPM_FORCE_CTL                  0xFE57
#define PM_CLK_FORCE_CTL                0xFE58
#define PERST_GLITCH_WIDTH              0xFE5C
#define CHANGE_LINK_STATE               0xFE5B
#define RESET_LOAD_REG                  0xFE5E
#define EFUSE_CONTENT                   0xFE5F
#define HOST_SLEEP_STATE                0xFE60
#define SDIO_CFG                        0xFE70

#define NFTS_TX_CTRL                    0xFE72

#define PWR_GATE_CTRL                   0xFE75
#define PWD_SUSPEND_EN                  0xFE76
#define LDO_PWR_SEL                     0xFE78

#define DUMMY_REG_RESET_0               0xFE90

/* Memory mapping */
#define SRAM_BASE                       0xE600
#define RBUF_BASE                       0xF400
#define PPBUF_BASE1                     0xF800
#define PPBUF_BASE2                     0xFA00
#define IMAGE_FLAG_ADDR0                0xCE80
#define IMAGE_FLAG_ADDR1                0xCE81

/* Phy register */
#define PHY_PCR                         0x00
#define PHY_RCR0                        0x01
#define PHY_RCR1                        0x02
#define PHY_RCR2                        0x03
#define PHY_RTCR                        0x04
#define PHY_RDR                         0x05
#define PHY_TCR0                        0x06
#define PHY_TCR1                        0x07
#define PHY_TUNE                        0x08
#define PHY_IMR                         0x09
#define PHY_BPCR                        0x0A
#define PHY_BIST                        0x0B
#define PHY_RAW_L                       0x0C
#define PHY_RAW_H                       0x0D
#define PHY_RAW_DATA                    0x0E
#define PHY_HOST_CLK_CTRL               0x0F
#define PHY_DMR                         0x10
#define PHY_BACR                        0x11
#define PHY_IER                         0x12
#define PHY_BCSR                        0x13
#define PHY_BPR                         0x14
#define PHY_BPNR2                       0x15
#define PHY_BPNR                        0x16
#define PHY_BRNR2                       0x17
#define PHY_BENR                        0x18
#define PHY_REG_REV                     0x19
#define PHY_FLD0                        0x1A
#define PHY_FLD1                        0x1B
#define PHY_FLD2                        0x1C
#define PHY_FLD3                        0x1D
#define PHY_FLD4                        0x1E
#define PHY_DUM_REG                     0x1F

#define rtsx_pci_init_cmd(pcr)          ((pcr)->ci = 0)

struct rtsx_pcr;

struct pcr_handle {
        struct rtsx_pcr                 *pcr;
};

struct pcr_ops {
        int             (*extra_init_hw)(struct rtsx_pcr *pcr);
        int             (*optimize_phy)(struct rtsx_pcr *pcr);
        int             (*turn_on_led)(struct rtsx_pcr *pcr);
        int             (*turn_off_led)(struct rtsx_pcr *pcr);
        int             (*enable_auto_blink)(struct rtsx_pcr *pcr);
        int             (*disable_auto_blink)(struct rtsx_pcr *pcr);
        int             (*card_power_on)(struct rtsx_pcr *pcr, int card);
        int             (*card_power_off)(struct rtsx_pcr *pcr, int card);
        int             (*switch_output_voltage)(struct rtsx_pcr *pcr,
                                                u8 voltage);
        unsigned int    (*cd_deglitch)(struct rtsx_pcr *pcr);
        int             (*conv_clk_and_div_n)(int clk, int dir);
};

enum PDEV_STAT  {PDEV_STAT_IDLE, PDEV_STAT_RUN};

struct rtsx_pcr {
        struct pci_dev                  *pci;
        unsigned int                    id;

        /* pci resources */
        unsigned long                   addr;
        void __iomem                    *remap_addr;
        int                             irq;

        /* host reserved buffer */
        void                            *rtsx_resv_buf;
        dma_addr_t                      rtsx_resv_buf_addr;

        void                            *host_cmds_ptr;
        dma_addr_t                      host_cmds_addr;
        int                             ci;

        void                            *host_sg_tbl_ptr;
        dma_addr_t                      host_sg_tbl_addr;
        int                             sgi;

        u32                             bier;
        char                            trans_result;

        unsigned int                    card_inserted;
        unsigned int                    card_removed;
        unsigned int                    card_exist;

        struct delayed_work             carddet_work;
        struct delayed_work             idle_work;

        spinlock_t                      lock;
        struct mutex                    pcr_mutex;
        struct completion               *done;
        struct completion               *finish_me;

        unsigned int                    cur_clock;
        bool                            ms_pmos;
        bool                            remove_pci;
        bool                            msi_en;

#define EXTRA_CAPS_SD_SDR50             (1 << 0)
#define EXTRA_CAPS_SD_SDR104            (1 << 1)
#define EXTRA_CAPS_SD_DDR50             (1 << 2)
#define EXTRA_CAPS_MMC_HSDDR            (1 << 3)
#define EXTRA_CAPS_MMC_HS200            (1 << 4)
#define EXTRA_CAPS_MMC_8BIT             (1 << 5)
        u32                             extra_caps;

#define IC_VER_A                        0
#define IC_VER_B                        1
#define IC_VER_C                        2
#define IC_VER_D                        3
        u8                              ic_version;

        const u32                       *sd_pull_ctl_enable_tbl;
        const u32                       *sd_pull_ctl_disable_tbl;
        const u32                       *ms_pull_ctl_enable_tbl;
        const u32                       *ms_pull_ctl_disable_tbl;

        const struct pcr_ops            *ops;
        enum PDEV_STAT                  state;

        int                             num_slots;
        struct rtsx_slot                *slots;
};

#define CHK_PCI_PID(pcr, pid)           ((pcr)->pci->device == (pid))
#define PCI_VID(pcr)                    ((pcr)->pci->vendor)
#define PCI_PID(pcr)                    ((pcr)->pci->device)

void rtsx_pci_start_run(struct rtsx_pcr *pcr);
int rtsx_pci_write_register(struct rtsx_pcr *pcr, u16 addr, u8 mask, u8 data);
int rtsx_pci_read_register(struct rtsx_pcr *pcr, u16 addr, u8 *data);
int rtsx_pci_write_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 val);
int rtsx_pci_read_phy_register(struct rtsx_pcr *pcr, u8 addr, u16 *val);
void rtsx_pci_stop_cmd(struct rtsx_pcr *pcr);
void rtsx_pci_add_cmd(struct rtsx_pcr *pcr,
                u8 cmd_type, u16 reg_addr, u8 mask, u8 data);
void rtsx_pci_send_cmd_no_wait(struct rtsx_pcr *pcr);
int rtsx_pci_send_cmd(struct rtsx_pcr *pcr, int timeout);
int rtsx_pci_transfer_data(struct rtsx_pcr *pcr, struct scatterlist *sglist,
                int num_sg, bool read, int timeout);
int rtsx_pci_read_ppbuf(struct rtsx_pcr *pcr, u8 *buf, int buf_len);
int rtsx_pci_write_ppbuf(struct rtsx_pcr *pcr, u8 *buf, int buf_len);
int rtsx_pci_card_pull_ctl_enable(struct rtsx_pcr *pcr, int card);
int rtsx_pci_card_pull_ctl_disable(struct rtsx_pcr *pcr, int card);
int rtsx_pci_switch_clock(struct rtsx_pcr *pcr, unsigned int card_clock,
                u8 ssc_depth, bool initial_mode, bool double_clk, bool vpclk);
int rtsx_pci_card_power_on(struct rtsx_pcr *pcr, int card);
int rtsx_pci_card_power_off(struct rtsx_pcr *pcr, int card);
int rtsx_pci_card_exclusive_check(struct rtsx_pcr *pcr, int card);
int rtsx_pci_switch_output_voltage(struct rtsx_pcr *pcr, u8 voltage);
unsigned int rtsx_pci_card_exist(struct rtsx_pcr *pcr);
void rtsx_pci_complete_unfinished_transfer(struct rtsx_pcr *pcr);

static inline u8 *rtsx_pci_get_cmd_data(struct rtsx_pcr *pcr)
{
        return (u8 *)(pcr->host_cmds_ptr);
}

#endif