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/*

 *  linux/drivers/mmc/host/wbsd.h - Winbond W83L51xD SD/MMC driver

 *

 *  Copyright (C) 2004-2007 Pierre Ossman, 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 of the License, or (at

 * your option) any later version.

 */

#define LOCK_CODE               0xAA

#define WBSD_CONF_SWRST         0x02

#define WBSD_CONF_DEVICE        0x07

#define WBSD_CONF_ID_HI         0x20

#define WBSD_CONF_ID_LO         0x21

#define WBSD_CONF_POWER         0x22

#define WBSD_CONF_PME           0x23

#define WBSD_CONF_PMES          0x24

#define WBSD_CONF_ENABLE        0x30

#define WBSD_CONF_PORT_HI       0x60

#define WBSD_CONF_PORT_LO       0x61

#define WBSD_CONF_IRQ           0x70

#define WBSD_CONF_DRQ           0x74

#define WBSD_CONF_PINS          0xF0

#define DEVICE_SD               0x03

#define WBSD_PINS_DAT3_HI       0x20

#define WBSD_PINS_DAT3_OUT      0x10

#define WBSD_PINS_GP11_HI       0x04

#define WBSD_PINS_DETECT_GP11   0x02

#define WBSD_PINS_DETECT_DAT3   0x01

#define WBSD_CMDR               0x00

#define WBSD_DFR                0x01

#define WBSD_EIR                0x02

#define WBSD_ISR                0x03

#define WBSD_FSR                0x04

#define WBSD_IDXR               0x05

#define WBSD_DATAR              0x06

#define WBSD_CSR                0x07

#define WBSD_EINT_CARD          0x40

#define WBSD_EINT_FIFO_THRE     0x20

#define WBSD_EINT_CRC           0x10

#define WBSD_EINT_TIMEOUT       0x08

#define WBSD_EINT_PROGEND       0x04

#define WBSD_EINT_BUSYEND       0x02

#define WBSD_EINT_TC            0x01

#define WBSD_INT_PENDING        0x80

#define WBSD_INT_CARD           0x40

#define WBSD_INT_FIFO_THRE      0x20

#define WBSD_INT_CRC            0x10

#define WBSD_INT_TIMEOUT        0x08

#define WBSD_INT_PROGEND        0x04

#define WBSD_INT_BUSYEND        0x02

#define WBSD_INT_TC             0x01

#define WBSD_FIFO_EMPTY         0x80

#define WBSD_FIFO_FULL          0x40

#define WBSD_FIFO_EMTHRE        0x20

#define WBSD_FIFO_FUTHRE        0x10

#define WBSD_FIFO_SZMASK        0x0F

#define WBSD_MSLED              0x20

#define WBSD_POWER_N            0x10

#define WBSD_WRPT               0x04

#define WBSD_CARDPRESENT        0x01

#define WBSD_IDX_CLK            0x01

#define WBSD_IDX_PBSMSB         0x02

#define WBSD_IDX_TAAC           0x03

#define WBSD_IDX_NSAC           0x04

#define WBSD_IDX_PBSLSB         0x05

#define WBSD_IDX_SETUP          0x06

#define WBSD_IDX_DMA            0x07

#define WBSD_IDX_FIFOEN         0x08

#define WBSD_IDX_STATUS         0x10

#define WBSD_IDX_RSPLEN         0x1E

#define WBSD_IDX_RESP0          0x1F

#define WBSD_IDX_RESP1          0x20

#define WBSD_IDX_RESP2          0x21

#define WBSD_IDX_RESP3          0x22

#define WBSD_IDX_RESP4          0x23

#define WBSD_IDX_RESP5          0x24

#define WBSD_IDX_RESP6          0x25

#define WBSD_IDX_RESP7          0x26

#define WBSD_IDX_RESP8          0x27

#define WBSD_IDX_RESP9          0x28

#define WBSD_IDX_RESP10         0x29

#define WBSD_IDX_RESP11         0x2A

#define WBSD_IDX_RESP12         0x2B

#define WBSD_IDX_RESP13         0x2C

#define WBSD_IDX_RESP14         0x2D

#define WBSD_IDX_RESP15         0x2E

#define WBSD_IDX_RESP16         0x2F

#define WBSD_IDX_CRCSTATUS      0x30

#define WBSD_IDX_ISR            0x3F

#define WBSD_CLK_375K           0x00

#define WBSD_CLK_12M            0x01

#define WBSD_CLK_16M            0x02

#define WBSD_CLK_24M            0x03

#define WBSD_DATA_WIDTH         0x01

#define WBSD_DAT3_H             0x08

#define WBSD_FIFO_RESET         0x04

#define WBSD_SOFT_RESET         0x02

#define WBSD_INC_INDEX          0x01

#define WBSD_DMA_SINGLE         0x02

#define WBSD_DMA_ENABLE         0x01

#define WBSD_FIFOEN_EMPTY       0x20

#define WBSD_FIFOEN_FULL        0x10

#define WBSD_FIFO_THREMASK      0x0F

#define WBSD_BLOCK_READ         0x80

#define WBSD_BLOCK_WRITE        0x40

#define WBSD_BUSY               0x20

#define WBSD_CARDTRAFFIC        0x04

#define WBSD_SENDCMD            0x02

#define WBSD_RECVRES            0x01

#define WBSD_RSP_SHORT          0x00

#define WBSD_RSP_LONG           0x01

#define WBSD_CRC_MASK           0x1F

#define WBSD_CRC_OK             0x05 /* S010E (00101) */

#define WBSD_CRC_FAIL           0x0B /* S101E (01011) */

#define WBSD_DMA_SIZE           65536

struct wbsd_host

{

        struct mmc_host*        mmc;            /* MMC structure */

        spinlock_t              lock;           /* Mutex */

        int                     flags;          /* Driver states */

#define WBSD_FCARD_PRESENT      (1<<0)          /* Card is present */

#define WBSD_FIGNORE_DETECT     (1<<1)          /* Ignore card detection */

        struct mmc_request*     mrq;            /* Current request */

        u8                      isr;            /* Accumulated ISR */

        struct scatterlist*     cur_sg;         /* Current SG entry */

        unsigned int            num_sg;         /* Number of entries left */

        unsigned int            offset;         /* Offset into current entry */

        unsigned int            remain;         /* Data left in curren entry */

        char*                   dma_buffer;     /* ISA DMA buffer */

        dma_addr_t              dma_addr;       /* Physical address for same */

        int                     firsterr;       /* See fifo functions */

        u8                      clk;            /* Current clock speed */

        unsigned char           bus_width;      /* Current bus width */

        int                     config;         /* Config port */

        u8                      unlock_code;    /* Code to unlock config */

        int                     chip_id;        /* ID of controller */

        int                     base;           /* I/O port base */

        int                     irq;            /* Interrupt */

        int                     dma;            /* DMA channel */

        struct tasklet_struct   card_tasklet;   /* Tasklet structures */

        struct tasklet_struct   fifo_tasklet;

        struct tasklet_struct   crc_tasklet;

        struct tasklet_struct   timeout_tasklet;

        struct tasklet_struct   finish_tasklet;

        struct timer_list       ignore_timer;   /* Ignore detection timer */

};