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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/drivers/mmc/host/cb710-mmc.h
15111 views
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/*

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 *  cb710/cb710-mmc.h

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 *

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 *  Copyright by Michał Mirosław, 2008-2009

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 *

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 * This program is free software; you can redistribute it and/or modify

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 * it under the terms of the GNU General Public License version 2 as

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 * published by the Free Software Foundation.

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 */

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#ifndef LINUX_CB710_MMC_H

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#define LINUX_CB710_MMC_H

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#include <linux/cb710.h>

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/* per-MMC-reader structure */

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struct cb710_mmc_reader {

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	struct tasklet_struct finish_req_tasklet;

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	struct mmc_request *mrq;

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	spinlock_t irq_lock;

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	unsigned char last_power_mode;

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};

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/* some device struct walking */

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static inline struct mmc_host *cb710_slot_to_mmc(struct cb710_slot *slot)

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{

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	return dev_get_drvdata(&slot->pdev.dev);

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}

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static inline struct cb710_slot *cb710_mmc_to_slot(struct mmc_host *mmc)

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{

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	struct platform_device *pdev = container_of(mmc_dev(mmc),

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		struct platform_device, dev);

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	return cb710_pdev_to_slot(pdev);

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}

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

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#define CB710_MMC_DATA_PORT		0x00

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#define CB710_MMC_CONFIG_PORT		0x04

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#define CB710_MMC_CONFIG0_PORT		0x04

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#define CB710_MMC_CONFIG1_PORT		0x05

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#define   CB710_MMC_C1_4BIT_DATA_BUS		0x40

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#define CB710_MMC_CONFIG2_PORT		0x06

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#define   CB710_MMC_C2_READ_PIO_SIZE_MASK	0x0F	/* N-1 */

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#define CB710_MMC_CONFIG3_PORT		0x07

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#define CB710_MMC_CONFIGB_PORT		0x08

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#define CB710_MMC_IRQ_ENABLE_PORT	0x0C

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#define   CB710_MMC_IE_TEST_MASK		0x00BF

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#define   CB710_MMC_IE_CARD_INSERTION_STATUS	0x1000

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#define   CB710_MMC_IE_IRQ_ENABLE		0x8000

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#define   CB710_MMC_IE_CISTATUS_MASK		\

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		(CB710_MMC_IE_CARD_INSERTION_STATUS|CB710_MMC_IE_IRQ_ENABLE)

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#define CB710_MMC_STATUS_PORT		0x10

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#define   CB710_MMC_STATUS_ERROR_EVENTS		0x60FF

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#define CB710_MMC_STATUS0_PORT		0x10

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#define   CB710_MMC_S0_FIFO_UNDERFLOW		0x40

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#define CB710_MMC_STATUS1_PORT		0x11

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#define   CB710_MMC_S1_COMMAND_SENT		0x01

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#define   CB710_MMC_S1_DATA_TRANSFER_DONE	0x02

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#define   CB710_MMC_S1_PIO_TRANSFER_DONE	0x04

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#define   CB710_MMC_S1_CARD_CHANGED		0x10

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#define   CB710_MMC_S1_RESET			0x20

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#define CB710_MMC_STATUS2_PORT		0x12

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#define   CB710_MMC_S2_FIFO_READY		0x01

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#define   CB710_MMC_S2_FIFO_EMPTY		0x02

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#define   CB710_MMC_S2_BUSY_10			0x10

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#define   CB710_MMC_S2_BUSY_20			0x20

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#define CB710_MMC_STATUS3_PORT		0x13

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#define   CB710_MMC_S3_CARD_DETECTED		0x02

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#define   CB710_MMC_S3_WRITE_PROTECTED		0x04

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#define CB710_MMC_CMD_TYPE_PORT		0x14

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#define   CB710_MMC_RSP_TYPE_MASK		0x0007

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#define     CB710_MMC_RSP_R1			(0)

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#define     CB710_MMC_RSP_136			(5)

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#define     CB710_MMC_RSP_NO_CRC		(2)

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#define   CB710_MMC_RSP_PRESENT_MASK		0x0018

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#define     CB710_MMC_RSP_NONE			(0 << 3)

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#define     CB710_MMC_RSP_PRESENT		(1 << 3)

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#define     CB710_MMC_RSP_PRESENT_X		(2 << 3)

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#define   CB710_MMC_CMD_TYPE_MASK		0x0060

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#define     CB710_MMC_CMD_BC			(0 << 5)

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#define     CB710_MMC_CMD_BCR			(1 << 5)

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#define     CB710_MMC_CMD_AC			(2 << 5)

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#define     CB710_MMC_CMD_ADTC			(3 << 5)

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#define   CB710_MMC_DATA_READ			0x0080

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#define   CB710_MMC_CMD_CODE_MASK		0x3F00

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#define   CB710_MMC_CMD_CODE_SHIFT		8

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#define   CB710_MMC_IS_APP_CMD			0x4000

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#define   CB710_MMC_RSP_BUSY			0x8000

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#define CB710_MMC_CMD_PARAM_PORT	0x18

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#define CB710_MMC_TRANSFER_SIZE_PORT	0x1C

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#define CB710_MMC_RESPONSE0_PORT	0x20

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#define CB710_MMC_RESPONSE1_PORT	0x24

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#define CB710_MMC_RESPONSE2_PORT	0x28

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#define CB710_MMC_RESPONSE3_PORT	0x2C

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#endif /* LINUX_CB710_MMC_H */

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