cb710-mmc.h

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/*
 *  cb710/cb710-mmc.h
 *
 *  Copyright by Michał Mirosław, 2008-2009
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#ifndef LINUX_CB710_MMC_H
#define LINUX_CB710_MMC_H

#include <linux/cb710.h>

/* per-MMC-reader structure */
struct cb710_mmc_reader {
    struct tasklet_struct finish_req_tasklet;
    struct mmc_request *mrq;
    spinlock_t irq_lock;
    unsigned char last_power_mode;
};

/* some device struct walking */

static inline struct mmc_host *cb710_slot_to_mmc(struct cb710_slot *slot)
{
    return dev_get_drvdata(&slot->pdev.dev);
}

static inline struct cb710_slot *cb710_mmc_to_slot(struct mmc_host *mmc)
{
    struct platform_device *pdev = container_of(mmc_dev(mmc),
        struct platform_device, dev);
    return cb710_pdev_to_slot(pdev);
}

/* registers (this might be all wrong ;) */

#define CB710_MMC_DATA_PORT     0x00

#define CB710_MMC_CONFIG_PORT       0x04
#define CB710_MMC_CONFIG0_PORT      0x04
#define CB710_MMC_CONFIG1_PORT      0x05
#define   CB710_MMC_C1_4BIT_DATA_BUS        0x40
#define CB710_MMC_CONFIG2_PORT      0x06
#define   CB710_MMC_C2_READ_PIO_SIZE_MASK   0x0F    /* N-1 */
#define CB710_MMC_CONFIG3_PORT      0x07

#define CB710_MMC_CONFIGB_PORT      0x08

#define CB710_MMC_IRQ_ENABLE_PORT   0x0C
#define   CB710_MMC_IE_TEST_MASK        0x00BF
#define   CB710_MMC_IE_CARD_INSERTION_STATUS    0x1000
#define   CB710_MMC_IE_IRQ_ENABLE       0x8000
#define   CB710_MMC_IE_CISTATUS_MASK        \
        (CB710_MMC_IE_CARD_INSERTION_STATUS|CB710_MMC_IE_IRQ_ENABLE)

#define CB710_MMC_STATUS_PORT       0x10
#define   CB710_MMC_STATUS_ERROR_EVENTS     0x60FF
#define CB710_MMC_STATUS0_PORT      0x10
#define   CB710_MMC_S0_FIFO_UNDERFLOW       0x40
#define CB710_MMC_STATUS1_PORT      0x11
#define   CB710_MMC_S1_COMMAND_SENT     0x01
#define   CB710_MMC_S1_DATA_TRANSFER_DONE   0x02
#define   CB710_MMC_S1_PIO_TRANSFER_DONE    0x04
#define   CB710_MMC_S1_CARD_CHANGED     0x10
#define   CB710_MMC_S1_RESET            0x20
#define CB710_MMC_STATUS2_PORT      0x12
#define   CB710_MMC_S2_FIFO_READY       0x01
#define   CB710_MMC_S2_FIFO_EMPTY       0x02
#define   CB710_MMC_S2_BUSY_10          0x10
#define   CB710_MMC_S2_BUSY_20          0x20
#define CB710_MMC_STATUS3_PORT      0x13
#define   CB710_MMC_S3_CARD_DETECTED        0x02
#define   CB710_MMC_S3_WRITE_PROTECTED      0x04

#define CB710_MMC_CMD_TYPE_PORT     0x14
#define   CB710_MMC_RSP_TYPE_MASK       0x0007
#define     CB710_MMC_RSP_R1            (0)
#define     CB710_MMC_RSP_136           (5)
#define     CB710_MMC_RSP_NO_CRC        (2)
#define   CB710_MMC_RSP_PRESENT_MASK        0x0018
#define     CB710_MMC_RSP_NONE          (0 << 3)
#define     CB710_MMC_RSP_PRESENT       (1 << 3)
#define     CB710_MMC_RSP_PRESENT_X     (2 << 3)
#define   CB710_MMC_CMD_TYPE_MASK       0x0060
#define     CB710_MMC_CMD_BC            (0 << 5)
#define     CB710_MMC_CMD_BCR           (1 << 5)
#define     CB710_MMC_CMD_AC            (2 << 5)
#define     CB710_MMC_CMD_ADTC          (3 << 5)
#define   CB710_MMC_DATA_READ           0x0080
#define   CB710_MMC_CMD_CODE_MASK       0x3F00
#define   CB710_MMC_CMD_CODE_SHIFT      8
#define   CB710_MMC_IS_APP_CMD          0x4000
#define   CB710_MMC_RSP_BUSY            0x8000

#define CB710_MMC_CMD_PARAM_PORT    0x18
#define CB710_MMC_TRANSFER_SIZE_PORT    0x1C
#define CB710_MMC_RESPONSE0_PORT    0x20
#define CB710_MMC_RESPONSE1_PORT    0x24
#define CB710_MMC_RESPONSE2_PORT    0x28
#define CB710_MMC_RESPONSE3_PORT    0x2C

#endif /* LINUX_CB710_MMC_H */