Merge bk://bk.arm.linux.org.uk/linux-2.6-mmc

into ppc970.osdl.org:/home/torvalds/v2.6/linux

Manual merge of arch/arm/Kconfig conflicts

arch/arm/Kconfig

@@ -664,6 +664,8 @@ source "drivers/misc/Kconfig"
 
 source "drivers/usb/Kconfig"
 
+source "drivers/mmc/Kconfig"
+
 source "arch/arm/Kconfig.debug"
 
 source "security/Kconfig"

drivers/Makefile

@@ -50,4 +50,5 @@ obj-$(CONFIG_ISDN)		+= isdn/
 obj-$(CONFIG_MCA)		+= mca/
 obj-$(CONFIG_EISA)		+= eisa/
 obj-$(CONFIG_CPU_FREQ)		+= cpufreq/
+obj-$(CONFIG_MMC)		+= mmc/
 obj-y				+= firmware/

drivers/mmc/Kconfig

+#
+# MMC subsystem configuration
+#
+
+menu "MMC/SD Card support"
+
+config MMC
+	tristate "MMC support"
+	help
+	  MMC is the "multi-media card" bus protocol.
+
+	  If you want MMC support, you should say Y here and also
+	  to the specific driver for your MMC interface.
+
+config MMC_DEBUG
+	bool "MMC debugging"
+	depends on MMC != n
+	help
+	  This is an option for use by developers; most people should
+	  say N here.  This enables MMC core and driver debugging.
+
+config MMC_BLOCK
+	tristate "MMC block device driver"
+	depends on MMC
+	default y
+	help
+	  Say Y here to enable the MMC block device driver support.
+	  This provides a block device driver, which you can use to
+	  mount the filesystem. Almost everyone wishing MMC support
+	  should say Y or M here.
+
+config MMC_ARMMMCI
+	tristate "ARM AMBA Multimedia Card Interface support"
+	depends on ARM_AMBA && MMC
+	help
+	  This selects the ARM(R) AMBA(R) PrimeCell Multimedia Card
+	  Interface (PL180 and PL181) support.  If you have an ARM(R)
+	  platform with a Multimedia Card slot, say Y or M here.
+
+	  If unsure, say N.
+
+config MMC_PXA
+	tristate "Intel PXA255 Multimedia Card Interface support"
+	depends on ARCH_PXA && MMC
+	help
+	  This selects the Intel(R) PXA(R) Multimedia card Interface.
+	  If you have a PXA(R) platform with a Multimedia Card slot,
+	  say Y or M here.
+
+	  If unsure, say N.
+
+endmenu

drivers/mmc/Makefile

+#
+# Makefile for the kernel mmc device drivers.
+#
+
+#
+# Core
+#
+obj-$(CONFIG_MMC)		+= mmc_core.o
+
+#
+# Media drivers
+#
+obj-$(CONFIG_MMC_BLOCK)		+= mmc_block.o
+
+#
+# Host drivers
+#
+obj-$(CONFIG_MMC_ARMMMCI)	+= mmci.o
+obj-$(CONFIG_MMC_PXA)		+= pxamci.o
+
+mmc_core-y := mmc.o mmc_queue.o mmc_sysfs.o

drivers/mmc/mmc.h

+/*
+ *  linux/drivers/mmc/mmc.h
+ *
+ *  Copyright (C) 2003 Russell King, 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 version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef _MMC_H
+#define _MMC_H
+/* core-internal functions */
+void mmc_init_card(struct mmc_card *card, struct mmc_host *host);
+int mmc_register_card(struct mmc_card *card);
+void mmc_remove_card(struct mmc_card *card);
+#endif

drivers/mmc/mmc_queue.c

+/*
+ *  linux/drivers/mmc/mmc_queue.c
+ *
+ *  Copyright (C) 2003 Russell King, 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 version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+#include <linux/module.h>
+#include <linux/blkdev.h>
+
+#include <linux/mmc/card.h>
+#include <linux/mmc/host.h>
+#include "mmc_queue.h"
+
+/*
+ * Prepare a MMC request.  Essentially, this means passing the
+ * preparation off to the media driver.  The media driver will
+ * create a mmc_io_request in req->special.
+ */
+static int mmc_prep_request(struct request_queue *q, struct request *req)
+{
+	struct mmc_queue *mq = q->queuedata;
+	int ret = BLKPREP_KILL;
+
+	if (req->flags & REQ_SPECIAL) {
+		/*
+		 * Special commands already have the command
+		 * blocks already setup in req->special.
+		 */
+		BUG_ON(!req->special);
+
+		ret = BLKPREP_OK;
+	} else if (req->flags & (REQ_CMD | REQ_BLOCK_PC)) {
+		/*
+		 * Block I/O requests need translating according
+		 * to the protocol.
+		 */
+		ret = mq->prep_fn(mq, req);
+	} else {
+		/*
+		 * Everything else is invalid.
+		 */
+		blk_dump_rq_flags(req, "MMC bad request");
+	}
+
+	if (ret == BLKPREP_OK)
+		req->flags |= REQ_DONTPREP;
+
+	return ret;
+}
+
+static int mmc_queue_thread(void *d)
+{
+	struct mmc_queue *mq = d;
+	struct request_queue *q = mq->queue;
+	DECLARE_WAITQUEUE(wait, current);
+
+	/*
+	 * Set iothread to ensure that we aren't put to sleep by
+	 * the process freezing.  We handle suspension ourselves.
+	 */
+	current->flags |= PF_MEMALLOC|PF_NOFREEZE;
+
+	daemonize("mmcqd");
+
+	spin_lock_irq(&current->sighand->siglock);
+	sigfillset(&current->blocked);
+	recalc_sigpending();
+	spin_unlock_irq(&current->sighand->siglock);
+
+	mq->thread = current;
+	complete(&mq->thread_complete);
+
+	add_wait_queue(&mq->thread_wq, &wait);
+	do {
+		struct request *req = NULL;
+
+		spin_lock_irq(q->queue_lock);
+		set_current_state(TASK_INTERRUPTIBLE);
+		if (!blk_queue_plugged(q))
+			mq->req = req = elv_next_request(q);
+		spin_unlock(q->queue_lock);
+
+		if (!req) {
+			if (!mq->thread)
+				break;
+			schedule();
+			continue;
+		}
+		set_current_state(TASK_RUNNING);
+
+		mq->issue_fn(mq, req);
+	} while (1);
+	remove_wait_queue(&mq->thread_wq, &wait);
+
+	complete_and_exit(&mq->thread_complete, 0);
+	return 0;
+}
+
+/*
+ * Generic MMC request handler.  This is called for any queue on a
+ * particular host.  When the host is not busy, we look for a request
+ * on any queue on this host, and attempt to issue it.  This may
+ * not be the queue we were asked to process.
+ */
+static void mmc_request(request_queue_t *q)
+{
+	struct mmc_queue *mq = q->queuedata;
+
+	if (!mq->req)
+		wake_up(&mq->thread_wq);
+}
+
+/**
+ * mmc_init_queue - initialise a queue structure.
+ * @mq: mmc queue
+ * @card: mmc card to attach this queue
+ * @lock: queue lock
+ *
+ * Initialise a MMC card request queue.
+ */
+int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card, spinlock_t *lock)
+{
+	u64 limit = BLK_BOUNCE_HIGH;
+	int ret;
+
+	if (card->host->dev->dma_mask && *card->host->dev->dma_mask)
+		limit = *card->host->dev->dma_mask;
+
+	mq->card = card;
+	mq->queue = blk_init_queue(mmc_request, lock);
+	if (!mq->queue)
+		return -ENOMEM;
+
+	blk_queue_prep_rq(mq->queue, mmc_prep_request);
+	blk_queue_bounce_limit(mq->queue, limit);
+
+	mq->queue->queuedata = mq;
+	mq->req = NULL;
+
+	init_completion(&mq->thread_complete);
+	init_waitqueue_head(&mq->thread_wq);
+
+	ret = kernel_thread(mmc_queue_thread, mq, CLONE_KERNEL);
+	if (ret < 0) {
+		blk_cleanup_queue(mq->queue);
+	} else {
+		wait_for_completion(&mq->thread_complete);
+		init_completion(&mq->thread_complete);
+		ret = 0;
+	}
+
+	return ret;
+}
+
+EXPORT_SYMBOL(mmc_init_queue);
+
+void mmc_cleanup_queue(struct mmc_queue *mq)
+{
+	mq->thread = NULL;
+	wake_up(&mq->thread_wq);
+	wait_for_completion(&mq->thread_complete);
+	blk_cleanup_queue(mq->queue);
+
+	mq->card = NULL;
+}
+
+EXPORT_SYMBOL(mmc_cleanup_queue);

drivers/mmc/mmc_queue.h

+#ifndef MMC_QUEUE_H
+#define MMC_QUEUE_H
+
+struct request;
+struct task_struct;
+
+struct mmc_queue {
+	struct mmc_card		*card;
+	struct completion	thread_complete;
+	wait_queue_head_t	thread_wq;
+	struct task_struct	*thread;
+	struct request		*req;
+	int			(*prep_fn)(struct mmc_queue *, struct request *);
+	int			(*issue_fn)(struct mmc_queue *, struct request *);
+	void			*data;
+	struct request_queue	*queue;
+};
+
+struct mmc_io_request {
+	struct request		*rq;
+	int			num;
+	struct mmc_command	selcmd;		/* mmc_queue private */
+	struct mmc_command	cmd[4];		/* max 4 commands */
+};
+
+extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, spinlock_t *);
+extern void mmc_cleanup_queue(struct mmc_queue *);
+
+#endif

drivers/mmc/mmc_sysfs.c

+/*
+ *  linux/drivers/mmc/mmc_sysfs.c
+ *
+ *  Copyright (C) 2003 Russell King, 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 version 2 as
+ * published by the Free Software Foundation.
+ *
+ *  MMC sysfs/driver model support.
+ */
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/device.h>
+
+#include <linux/mmc/card.h>
+#include <linux/mmc/host.h>
+
+#include "mmc.h"
+
+#define dev_to_mmc_card(d)	container_of(d, struct mmc_card, dev)
+#define to_mmc_driver(d)	container_of(d, struct mmc_driver, drv)
+
+static void mmc_release_card(struct device *dev)
+{
+	struct mmc_card *card = dev_to_mmc_card(dev);
+
+	kfree(card);
+}
+
+/*
+ * This currently matches any MMC driver to any MMC card - drivers
+ * themselves make the decision whether to drive this card in their
+ * probe method.
+ */
+static int mmc_bus_match(struct device *dev, struct device_driver *drv)
+{
+	return 1;
+}
+
+static int
+mmc_bus_hotplug(struct device *dev, char **envp, int num_envp, char *buf,
+		int buf_size)
+{
+	struct mmc_card *card = dev_to_mmc_card(dev);
+	char ccc[13];
+	int i = 0;
+
+#define add_env(fmt,val)						\
+	({								\
+		int len, ret = -ENOMEM;					\
+		if (i < num_envp) {					\
+			envp[i++] = buf;				\
+			len = snprintf(buf, buf_size, fmt, val) + 1;	\
+			buf_size -= len;				\
+			buf += len;					\
+			if (buf_size >= 0)				\
+				ret = 0;				\
+		}							\
+		ret;							\
+	})
+
+	for (i = 0; i < 12; i++)
+		ccc[i] = card->csd.cmdclass & (1 << i) ? '1' : '0';
+	ccc[12] = '\0';
+
+	i = 0;
+	add_env("MMC_CCC=%s", ccc);
+	add_env("MMC_MANFID=%03x", card->cid.manfid);
+	add_env("MMC_SLOT_NAME=%s", card->dev.bus_id);
+
+	return 0;
+}
+
+static int mmc_bus_suspend(struct device *dev, u32 state)
+{
+	struct mmc_driver *drv = to_mmc_driver(dev->driver);
+	struct mmc_card *card = dev_to_mmc_card(dev);
+	int ret = 0;
+
+	if (dev->driver && drv->suspend)
+		ret = drv->suspend(card, state);
+	return ret;
+}
+
+static int mmc_bus_resume(struct device *dev)
+{
+	struct mmc_driver *drv = to_mmc_driver(dev->driver);
+	struct mmc_card *card = dev_to_mmc_card(dev);
+	int ret = 0;
+
+	if (dev->driver && drv->resume)
+		ret = drv->resume(card);
+	return ret;
+}
+
+static struct bus_type mmc_bus_type = {
+	.name		= "mmc",
+	.match		= mmc_bus_match,
+	.hotplug	= mmc_bus_hotplug,
+	.suspend	= mmc_bus_suspend,
+	.resume		= mmc_bus_resume,
+};
+
+
+static int mmc_drv_probe(struct device *dev)
+{
+	struct mmc_driver *drv = to_mmc_driver(dev->driver);
+	struct mmc_card *card = dev_to_mmc_card(dev);
+
+	return drv->probe(card);
+}
+
+static int mmc_drv_remove(struct device *dev)
+{
+	struct mmc_driver *drv = to_mmc_driver(dev->driver);
+	struct mmc_card *card = dev_to_mmc_card(dev);
+
+	drv->remove(card);
+
+	return 0;
+}
+
+
+/**
+ *	mmc_register_driver - register a media driver
+ *	@drv: MMC media driver
+ */
+int mmc_register_driver(struct mmc_driver *drv)
+{
+	drv->drv.bus = &mmc_bus_type;
+	drv->drv.probe = mmc_drv_probe;
+	drv->drv.remove = mmc_drv_remove;
+	return driver_register(&drv->drv);
+}
+
+EXPORT_SYMBOL(mmc_register_driver);
+
+/**
+ *	mmc_unregister_driver - unregister a media driver
+ *	@drv: MMC media driver
+ */
+void mmc_unregister_driver(struct mmc_driver *drv)
+{
+	drv->drv.bus = &mmc_bus_type;
+	driver_unregister(&drv->drv);
+}
+
+EXPORT_SYMBOL(mmc_unregister_driver);
+
+
+#define MMC_ATTR(name, fmt, args...)					\
+static ssize_t mmc_dev_show_##name (struct device *dev, char *buf)	\
+{									\
+	struct mmc_card *card = dev_to_mmc_card(dev);			\
+	return sprintf(buf, fmt, args);					\
+}									\
+static DEVICE_ATTR(name, S_IRUGO, mmc_dev_show_##name, NULL)
+
+MMC_ATTR(date, "%02d/%04d\n", card->cid.month, 1997 + card->cid.year);
+MMC_ATTR(fwrev, "0x%x\n", card->cid.fwrev);
+MMC_ATTR(hwrev, "0x%x\n", card->cid.hwrev);
+MMC_ATTR(manfid, "0x%03x\n", card->cid.manfid);
+MMC_ATTR(serial, "0x%06x\n", card->cid.serial);
+MMC_ATTR(name, "%s\n", card->cid.prod_name);
+
+static struct device_attribute *mmc_dev_attributes[] = {
+	&dev_attr_date,
+	&dev_attr_fwrev,
+	&dev_attr_hwrev,
+	&dev_attr_manfid,
+	&dev_attr_serial,
+	&dev_attr_name,
+};
+
+/*
+ * Internal function.  Initialise a MMC card structure.
+ */
+void mmc_init_card(struct mmc_card *card, struct mmc_host *host)
+{
+	memset(card, 0, sizeof(struct mmc_card));
+	card->host = host;
+	device_initialize(&card->dev);
+	card->dev.parent = card->host->dev;
+	card->dev.bus = &mmc_bus_type;
+	card->dev.release = mmc_release_card;
+}
+
+/*
+ * Internal function.  Register a new MMC card with the driver model.
+ */
+int mmc_register_card(struct mmc_card *card)
+{
+	int ret, i;
+
+	snprintf(card->dev.bus_id, sizeof(card->dev.bus_id),
+		 "%s:%04x", card->host->host_name, card->rca);
+
+	ret = device_add(&card->dev);
+	if (ret == 0)
+		for (i = 0; i < ARRAY_SIZE(mmc_dev_attributes); i++)
+			device_create_file(&card->dev, mmc_dev_attributes[i]);
+
+	return ret;
+}
+
+/*
+ * Internal function.  Unregister a new MMC card with the
+ * driver model, and (eventually) free it.
+ */
+void mmc_remove_card(struct mmc_card *card)
+{
+	if (mmc_card_present(card))
+		device_del(&card->dev);
+
+	put_device(&card->dev);
+}
+
+
+static int __init mmc_init(void)
+{
+	return bus_register(&mmc_bus_type);
+}
+
+static void __exit mmc_exit(void)
+{
+	bus_unregister(&mmc_bus_type);
+}
+
+module_init(mmc_init);
+module_exit(mmc_exit);

drivers/mmc/mmci.h

+/*
+ *  linux/drivers/mmc/mmci.h - ARM PrimeCell MMCI PL180/1 driver
+ *
+ *  Copyright (C) 2003 Deep Blue Solutions, Ltd, 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 version 2 as
+ * published by the Free Software Foundation.
+ */
+#define MMCIPOWER		0x000
+#define MCI_PWR_OFF		0x00
+#define MCI_PWR_UP		0x02
+#define MCI_PWR_ON		0x03
+#define MCI_OD			(1 << 6)
+#define MCI_ROD			(1 << 7)
+
+#define MMCICLOCK		0x004
+#define MCI_CLK_ENABLE		(1 << 8)
+#define MCI_CLK_PWRSAVE		(1 << 9)
+#define MCI_CLK_BYPASS		(1 << 10)
+
+#define MMCIARGUMENT		0x008
+#define MMCICOMMAND		0x00c
+#define MCI_CPSM_RESPONSE	(1 << 6)
+#define MCI_CPSM_LONGRSP	(1 << 7)
+#define MCI_CPSM_INTERRUPT	(1 << 8)
+#define MCI_CPSM_PENDING	(1 << 9)
+#define MCI_CPSM_ENABLE		(1 << 10)
+
+#define MMCIRESPCMD		0x010
+#define MMCIRESPONSE0		0x014
+#define MMCIRESPONSE1		0x018
+#define MMCIRESPONSE2		0x01c
+#define MMCIRESPONSE3		0x020
+#define MMCIDATATIMER		0x024
+#define MMCIDATALENGTH		0x028
+#define MMCIDATACTRL		0x02c
+#define MCI_DPSM_ENABLE		(1 << 0)
+#define MCI_DPSM_DIRECTION	(1 << 1)
+#define MCI_DPSM_MODE		(1 << 2)
+#define MCI_DPSM_DMAENABLE	(1 << 3)
+
+#define MMCIDATACNT		0x030
+#define MMCISTATUS		0x034
+#define MCI_CMDCRCFAIL		(1 << 0)
+#define MCI_DATACRCFAIL		(1 << 1)
+#define MCI_CMDTIMEOUT		(1 << 2)
+#define MCI_DATATIMEOUT		(1 << 3)
+#define MCI_TXUNDERRUN		(1 << 4)
+#define MCI_RXOVERRUN		(1 << 5)
+#define MCI_CMDRESPEND		(1 << 6)
+#define MCI_CMDSENT		(1 << 7)
+#define MCI_DATAEND		(1 << 8)
+#define MCI_DATABLOCKEND	(1 << 10)
+#define MCI_CMDACTIVE		(1 << 11)
+#define MCI_TXACTIVE		(1 << 12)
+#define MCI_RXACTIVE		(1 << 13)
+#define MCI_TXFIFOHALFEMPTY	(1 << 14)
+#define MCI_RXFIFOHALFFULL	(1 << 15)
+#define MCI_TXFIFOFULL		(1 << 16)
+#define MCI_RXFIFOFULL		(1 << 17)
+#define MCI_TXFIFOEMPTY		(1 << 18)
+#define MCI_RXFIFOEMPTY		(1 << 19)
+#define MCI_TXDATAAVLBL		(1 << 20)
+#define MCI_RXDATAAVLBL		(1 << 21)
+
+#define MMCICLEAR		0x038
+#define MCI_CMDCRCFAILCLR	(1 << 0)
+#define MCI_DATACRCFAILCLR	(1 << 1)
+#define MCI_CMDTIMEOUTCLR	(1 << 2)
+#define MCI_DATATIMEOUTCLR	(1 << 3)
+#define MCI_TXUNDERRUNCLR	(1 << 4)
+#define MCI_RXOVERRUNCLR	(1 << 5)
+#define MCI_CMDRESPENDCLR	(1 << 6)
+#define MCI_CMDSENTCLR		(1 << 7)
+#define MCI_DATAENDCLR		(1 << 8)
+#define MCI_DATABLOCKENDCLR	(1 << 10)
+
+#define MMCIMASK0		0x03c
+#define MCI_CMDCRCFAILMASK	(1 << 0)
+#define MCI_DATACRCFAILMASK	(1 << 1)
+#define MCI_CMDTIMEOUTMASK	(1 << 2)
+#define MCI_DATATIMEOUTMASK	(1 << 3)
+#define MCI_TXUNDERRUNMASK	(1 << 4)
+#define MCI_RXOVERRUNMASK	(1 << 5)
+#define MCI_CMDRESPENDMASK	(1 << 6)
+#define MCI_CMDSENTMASK		(1 << 7)
+#define MCI_DATAENDMASK		(1 << 8)
+#define MCI_DATABLOCKENDMASK	(1 << 10)
+#define MCI_CMDACTIVEMASK	(1 << 11)
+#define MCI_TXACTIVEMASK	(1 << 12)
+#define MCI_RXACTIVEMASK	(1 << 13)
+#define MCI_TXFIFOHALFEMPTYMASK	(1 << 14)
+#define MCI_RXFIFOHALFFULLMASK	(1 << 15)
+#define MCI_TXFIFOFULLMASK	(1 << 16)
+#define MCI_RXFIFOFULLMASK	(1 << 17)
+#define MCI_TXFIFOEMPTYMASK	(1 << 18)
+#define MCI_RXFIFOEMPTYMASK	(1 << 19)
+#define MCI_TXDATAAVLBLMASK	(1 << 20)
+#define MCI_RXDATAAVLBLMASK	(1 << 21)
+
+#define MMCIMASK1		0x040
+#define MMCIFIFOCNT		0x048
+#define MMCIFIFO		0x080 /* to 0x0bc */
+
+#define MCI_IRQMASK	\
+	(MCI_CMDCRCFAIL|MCI_DATACRCFAIL|MCI_CMDTIMEOUT|MCI_DATATIMEOUT|	\
+	MCI_TXUNDERRUN|MCI_RXOVERRUN|MCI_CMDRESPEND|MCI_CMDSENT|	\
+	MCI_DATAEND|MCI_DATABLOCKEND)
+
+#define MCI_IRQENABLE	\
+	(MCI_CMDCRCFAILMASK|MCI_DATACRCFAILMASK|MCI_CMDTIMEOUTMASK|	\
+	MCI_DATATIMEOUTMASK|MCI_TXUNDERRUNMASK|MCI_RXOVERRUNMASK|	\
+	MCI_CMDRESPENDMASK|MCI_CMDSENTMASK|MCI_DATAENDMASK|		\
+	MCI_DATABLOCKENDMASK)
+
+#define MCI_FIFOSIZE	16
+	
+#define MCI_FIFOHALFSIZE (MCI_FIFOSIZE / 2)
+
+struct clk;
+
+struct mmci_host {
+	void			*base;
+	struct mmc_request	*mrq;
+	struct mmc_command	*cmd;
+	struct mmc_data		*data;
+	struct mmc_host		*mmc;
+	struct clk		*clk;
+
+	unsigned int		data_xfered;
+
+	spinlock_t		lock;
+
+	unsigned int		mclk;
+	unsigned int		cclk;
+	u32			pwr;
+	struct mmc_platform_data *plat;
+
+	struct timer_list	timer;
+	unsigned int		oldstat;
+
+	/* pio stuff */
+	void			*buffer;
+	unsigned int		size;
+};
+
+#define to_mmci_host(mmc)	container_of(mmc, struct mmci_host, mmc)

drivers/mmc/pxamci.h

+#undef MMC_STRPCL
+#undef MMC_STAT
+#undef MMC_CLKRT
+#undef MMC_SPI
+#undef MMC_CMDAT
+#undef MMC_RESTO
+#undef MMC_RDTO
+#undef MMC_BLKLEN
+#undef MMC_NOB
+#undef MMC_PRTBUF
+#undef MMC_I_MASK
+#undef END_CMD_RES
+#undef PRG_DONE
+#undef DATA_TRAN_DONE
+#undef MMC_I_REG
+#undef MMC_CMD
+#undef MMC_ARGH
+#undef MMC_ARGL
+#undef MMC_RES
+#undef MMC_RXFIFO
+#undef MMC_TXFIFO
+
+#define MMC_STRPCL	0x0000
+#define STOP_CLOCK		(1 << 0)
+#define START_CLOCK		(2 << 0)
+
+#define MMC_STAT	0x0004
+#define STAT_END_CMD_RES		(1 << 13)
+#define STAT_PRG_DONE			(1 << 12)
+#define STAT_DATA_TRAN_DONE		(1 << 11)
+#define STAT_CLK_EN			(1 << 8)
+#define STAT_RECV_FIFO_FULL		(1 << 7)
+#define STAT_XMIT_FIFO_EMPTY		(1 << 6)
+#define STAT_RES_CRC_ERR		(1 << 5)
+#define STAT_SPI_READ_ERROR_TOKEN	(1 << 4)
+#define STAT_CRC_READ_ERROR		(1 << 3)
+#define STAT_CRC_WRITE_ERROR		(1 << 2)
+#define STAT_TIME_OUT_RESPONSE		(1 << 1)
+#define STAT_READ_TIME_OUT		(1 << 0)
+
+#define MMC_CLKRT	0x0008		/* 3 bit */
+
+#define MMC_SPI		0x000c
+#define SPI_CS_ADDRESS		(1 << 3)
+#define SPI_CS_EN		(1 << 2)
+#define CRC_ON			(1 << 1)
+#define SPI_EN			(1 << 0)
+
+#define MMC_CMDAT	0x0010
+#define CMDAT_DMAEN		(1 << 7)
+#define CMDAT_INIT		(1 << 6)
+#define CMDAT_BUSY		(1 << 5)
+#define CMDAT_STREAM		(1 << 4)	/* 1 = stream */
+#define CMDAT_WRITE		(1 << 3)	/* 1 = write */
+#define CMDAT_DATAEN		(1 << 2)
+#define CMDAT_RESP_NONE		(0 << 0)
+#define CMDAT_RESP_SHORT	(1 << 0)
+#define CMDAT_RESP_R2		(2 << 0)
+#define CMDAT_RESP_R3		(3 << 0)
+
+#define MMC_RESTO	0x0014	/* 7 bit */
+
+#define MMC_RDTO	0x0018	/* 16 bit */
+
+#define MMC_BLKLEN	0x001c	/* 10 bit */
+
+#define MMC_NOB		0x0020	/* 16 bit */
+
+#define MMC_PRTBUF	0x0024
+#define BUF_PART_FULL		(1 << 0)
+
+#define MMC_I_MASK	0x0028
+#define TXFIFO_WR_REQ		(1 << 6)
+#define RXFIFO_RD_REQ		(1 << 5)
+#define CLK_IS_OFF		(1 << 4)
+#define STOP_CMD		(1 << 3)
+#define END_CMD_RES		(1 << 2)
+#define PRG_DONE		(1 << 1)
+#define DATA_TRAN_DONE		(1 << 0)
+
+#define MMC_I_REG	0x002c
+/* same as MMC_I_MASK */
+
+#define MMC_CMD		0x0030
+
+#define MMC_ARGH	0x0034	/* 16 bit */
+
+#define MMC_ARGL	0x0038	/* 16 bit */
+
+#define MMC_RES		0x003c	/* 16 bit */
+
+#define MMC_RXFIFO	0x0040	/* 8 bit */
+
+#define MMC_TXFIFO	0x0044	/* 8 bit */

include/asm-arm/mach/mmc.h

+/*
+ *  linux/include/asm-arm/mach/mmc.h
+ */
+#ifndef ASMARM_MACH_MMC_H
+#define ASMARM_MACH_MMC_H
+
+#include <linux/mmc/protocol.h>
+
+struct mmc_platform_data {
+	unsigned int mclk;			/* mmc base clock rate */
+	unsigned int ocr_mask;			/* available voltages */
+	u32 (*translate_vdd)(struct device *, unsigned int);
+	unsigned int (*status)(struct device *);
+};
+
+#endif

include/linux/mmc/card.h

+/*
+ *  linux/include/linux/mmc/card.h
+ *
+ * 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.
+ *
+ *  Card driver specific definitions.
+ */
+#ifndef LINUX_MMC_CARD_H
+#define LINUX_MMC_CARD_H
+
+#include <linux/mmc/mmc.h>
+
+struct mmc_cid {
+	unsigned int		manfid;
+	unsigned int		serial;
+	char			prod_name[8];
+	unsigned char		hwrev;
+	unsigned char		fwrev;
+	unsigned char		month;
+	unsigned char		year;
+};
+
+struct mmc_csd {
+	unsigned char		mmc_prot;
+	unsigned short		cmdclass;
+	unsigned short		tacc_clks;
+	unsigned int		tacc_ns;
+	unsigned int		max_dtr;
+	unsigned int		read_blkbits;
+	unsigned int		capacity;
+};
+
+struct mmc_host;
+
+/*
+ * MMC device
+ */
+struct mmc_card {
+	struct list_head	node;		/* node in hosts devices list */
+	struct mmc_host		*host;		/* the host this device belongs to */
+	struct device		dev;		/* the device */
+	unsigned int		rca;		/* relative card address of device */
+	unsigned int		state;		/* (our) card state */
+#define MMC_STATE_PRESENT	(1<<0)
+#define MMC_STATE_DEAD		(1<<1)
+	struct mmc_cid		cid;		/* card identification */
+	struct mmc_csd		csd;		/* card specific */
+};
+
+#define mmc_card_dead(c)	((c)->state & MMC_STATE_DEAD)
+#define mmc_card_present(c)	((c)->state & MMC_STATE_PRESENT)
+
+#define mmc_card_name(c)	((c)->cid.prod_name)
+#define mmc_card_id(c)		((c)->dev.bus_id)
+
+#define mmc_list_to_card(l)	container_of(l, struct mmc_card, node)
+#define mmc_get_drvdata(c)	dev_get_drvdata(&(c)->dev)
+#define mmc_set_drvdata(c,d)	dev_set_drvdata(&(c)->dev, d)
+
+/*
+ * MMC device driver (e.g., Flash card, I/O card...)
+ */
+struct mmc_driver {
+	struct device_driver drv;
+	int (*probe)(struct mmc_card *);
+	void (*remove)(struct mmc_card *);
+	int (*suspend)(struct mmc_card *, u32);
+	int (*resume)(struct mmc_card *);
+};
+
+extern int mmc_register_driver(struct mmc_driver *);
+extern void mmc_unregister_driver(struct mmc_driver *);
+
+static inline int mmc_card_claim_host(struct mmc_card *card)
+{
+	return __mmc_claim_host(card->host, card);
+}
+
+#define mmc_card_release_host(c)	mmc_release_host((c)->host)
+
+#endif

include/linux/mmc/host.h

+/*
+ *  linux/include/linux/mmc/host.h
+ *
+ * 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.
+ *
+ *  Host driver specific definitions.
+ */
+#ifndef LINUX_MMC_HOST_H
+#define LINUX_MMC_HOST_H
+
+#include <linux/mmc/mmc.h>
+
+struct mmc_ios {
+	unsigned int	clock;			/* clock rate */
+	unsigned short	vdd;
+
+#define	MMC_VDD_150	0
+#define	MMC_VDD_155	1
+#define	MMC_VDD_160	2
+#define	MMC_VDD_165	3
+#define	MMC_VDD_170	4
+#define	MMC_VDD_180	5
+#define	MMC_VDD_190	6
+#define	MMC_VDD_200	7
+#define	MMC_VDD_210	8
+#define	MMC_VDD_220	9
+#define	MMC_VDD_230	10
+#define	MMC_VDD_240	11
+#define	MMC_VDD_250	12
+#define	MMC_VDD_260	13
+#define	MMC_VDD_270	14
+#define	MMC_VDD_280	15
+#define	MMC_VDD_290	16
+#define	MMC_VDD_300	17
+#define	MMC_VDD_310	18
+#define	MMC_VDD_320	19
+#define	MMC_VDD_330	20
+#define	MMC_VDD_340	21
+#define	MMC_VDD_350	22
+#define	MMC_VDD_360	23
+
+	unsigned char	bus_mode;		/* command output mode */
+
+#define MMC_BUSMODE_OPENDRAIN	1
+#define MMC_BUSMODE_PUSHPULL	2
+
+	unsigned char	power_mode;		/* power supply mode */
+
+#define MMC_POWER_OFF		0
+#define MMC_POWER_UP		1
+#define MMC_POWER_ON		2
+};
+
+struct mmc_host_ops {
+	void	(*request)(struct mmc_host *host, struct mmc_request *req);
+	void	(*set_ios)(struct mmc_host *host, struct mmc_ios *ios);
+};
+
+struct mmc_card;
+struct device;
+
+struct mmc_host {
+	struct device		*dev;
+	struct mmc_host_ops	*ops;
+	void			*priv;
+	unsigned int		f_min;
+	unsigned int		f_max;
+	u32			ocr_avail;
+	char			host_name[8];
+
+	/* private data */
+	struct mmc_ios		ios;		/* current io bus settings */
+	u32			ocr;		/* the current OCR setting */
+
+	struct list_head	cards;		/* devices attached to this host */
+
+	wait_queue_head_t	wq;
+	spinlock_t		lock;		/* card_busy lock */
+	struct mmc_card		*card_busy;	/* the MMC card claiming host */
+	struct mmc_card		*card_selected;	/* the selected MMC card */
+
+	struct work_struct	detect;
+};
+
+extern struct mmc_host *mmc_alloc_host(int extra, struct device *);
+extern int mmc_add_host(struct mmc_host *);
+extern void mmc_remove_host(struct mmc_host *);
+extern void mmc_free_host(struct mmc_host *);
+
+#define mmc_priv(x)	((void *)((x) + 1))
+#define mmc_dev(x)	((x)->dev)
+
+extern int mmc_suspend_host(struct mmc_host *, u32);
+extern int mmc_resume_host(struct mmc_host *);
+
+extern void mmc_detect_change(struct mmc_host *);
+extern void mmc_request_done(struct mmc_host *, struct mmc_request *);
+
+#endif
+

include/linux/mmc/mmc.h

+/*
+ *  linux/include/linux/mmc/mmc.h
+ *
+ * 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 MMC_H
+#define MMC_H
+
+#include <linux/list.h>
+#include <linux/interrupt.h>
+#include <linux/device.h>
+
+struct request;
+struct mmc_data;
+struct mmc_request;
+
+struct mmc_command {
+	u32			opcode;
+	u32			arg;
+	u32			resp[4];
+	unsigned int		flags;		/* expected response type */
+#define MMC_RSP_NONE	(0 << 0)
+#define MMC_RSP_SHORT	(1 << 0)
+#define MMC_RSP_LONG	(2 << 0)
+#define MMC_RSP_MASK	(3 << 0)
+#define MMC_RSP_CRC	(1 << 3)		/* expect valid crc */
+#define MMC_RSP_BUSY	(1 << 4)		/* card may send busy */
+
+	unsigned int		retries;	/* max number of retries */
+	unsigned int		error;		/* command error */
+
+#define MMC_ERR_NONE	0
+#define MMC_ERR_TIMEOUT	1
+#define MMC_ERR_BADCRC	2
+#define MMC_ERR_FIFO	3
+#define MMC_ERR_FAILED	4
+#define MMC_ERR_INVALID	5
+
+	struct mmc_data		*data;		/* data segment associated with cmd */
+	struct mmc_request	*mrq;		/* assoicated request */
+};
+
+struct mmc_data {
+	unsigned int		timeout_ns;	/* data timeout (in ns, max 80ms) */
+	unsigned int		timeout_clks;	/* data timeout (in clocks) */
+	unsigned int		blksz_bits;	/* data block size */
+	unsigned int		blocks;		/* number of blocks */
+	struct request		*req;		/* request structure */
+	unsigned int		error;		/* data error */
+	unsigned int		flags;
+
+#define MMC_DATA_WRITE	(1 << 8)
+#define MMC_DATA_READ	(1 << 9)
+#define MMC_DATA_STREAM	(1 << 10)
+
+	unsigned int		bytes_xfered;
+
+	struct mmc_command	*stop;		/* stop command */
+	struct mmc_request	*mrq;		/* assoicated request */
+};
+
+struct mmc_request {
+	struct mmc_command	*cmd;
+	struct mmc_data		*data;
+	struct mmc_command	*stop;
+
+	void			*done_data;	/* completion data */
+	void			(*done)(struct mmc_request *);/* completion function */
+};
+
+struct mmc_host;
+struct mmc_card;
+
+extern int mmc_wait_for_req(struct mmc_host *, struct mmc_request *);
+extern int mmc_wait_for_cmd(struct mmc_host *, struct mmc_command *, int);
+
+extern int __mmc_claim_host(struct mmc_host *host, struct mmc_card *card);
+
+static inline void mmc_claim_host(struct mmc_host *host)
+{
+	__mmc_claim_host(host, (struct mmc_card *)-1);
+}
+
+extern void mmc_release_host(struct mmc_host *host);
+
+#endif

include/linux/mmc/protocol.h

+/*
+ * Header for MultiMediaCard (MMC)
+ *
+ * Copyright 2002 Hewlett-Packard Company
+ *
+ * Use consistent with the GNU GPL is permitted,
+ * provided that this copyright notice is
+ * preserved in its entirety in all copies and derived works.
+ *
+ * HEWLETT-PACKARD COMPANY MAKES NO WARRANTIES, EXPRESSED OR IMPLIED,
+ * AS TO THE USEFULNESS OR CORRECTNESS OF THIS CODE OR ITS
+ * FITNESS FOR ANY PARTICULAR PURPOSE.
+ *
+ * Many thanks to Alessandro Rubini and Jonathan Corbet!
+ *
+ * Based strongly on code by:
+ *
+ * Author: Yong-iL Joh <tolkien@mizi.com>
+ * Date  : $Date: 2002/06/18 12:37:30 $
+ *
+ * Author:  Andrew Christian
+ *          15 May 2002
+ */
+
+#ifndef MMC_MMC_PROTOCOL_H
+#define MMC_MMC_PROTOCOL_H
+
+/* Standard MMC commands (3.1)           type  argument     response */
+   /* class 1 */
+#define	MMC_GO_IDLE_STATE         0   /* bc                          */
+#define MMC_SEND_OP_COND          1   /* bcr  [31:0] OCR         R3  */
+#define MMC_ALL_SEND_CID          2   /* bcr                     R2  */
+#define MMC_SET_RELATIVE_ADDR     3   /* ac   [31:16] RCA        R1  */
+#define MMC_SET_DSR               4   /* bc   [31:16] RCA            */
+#define MMC_SELECT_CARD           7   /* ac   [31:16] RCA        R1  */
+#define MMC_SEND_CSD              9   /* ac   [31:16] RCA        R2  */
+#define MMC_SEND_CID             10   /* ac   [31:16] RCA        R2  */
+#define MMC_READ_DAT_UNTIL_STOP  11   /* adtc [31:0] dadr        R1  */
+#define MMC_STOP_TRANSMISSION    12   /* ac                      R1b */
+#define MMC_SEND_STATUS	         13   /* ac   [31:16] RCA        R1  */
+#define MMC_GO_INACTIVE_STATE    15   /* ac   [31:16] RCA            */
+
+  /* class 2 */
+#define MMC_SET_BLOCKLEN         16   /* ac   [31:0] block len   R1  */
+#define MMC_READ_SINGLE_BLOCK    17   /* adtc [31:0] data addr   R1  */
+#define MMC_READ_MULTIPLE_BLOCK  18   /* adtc [31:0] data addr   R1  */
+
+  /* class 3 */
+#define MMC_WRITE_DAT_UNTIL_STOP 20   /* adtc [31:0] data addr   R1  */
+
+  /* class 4 */
+#define MMC_SET_BLOCK_COUNT      23   /* adtc [31:0] data addr   R1  */
+#define MMC_WRITE_BLOCK          24   /* adtc [31:0] data addr   R1  */
+#define MMC_WRITE_MULTIPLE_BLOCK 25   /* adtc                    R1  */
+#define MMC_PROGRAM_CID          26   /* adtc                    R1  */
+#define MMC_PROGRAM_CSD          27   /* adtc                    R1  */
+
+  /* class 6 */
+#define MMC_SET_WRITE_PROT       28   /* ac   [31:0] data addr   R1b */
+#define MMC_CLR_WRITE_PROT       29   /* ac   [31:0] data addr   R1b */
+#define MMC_SEND_WRITE_PROT      30   /* adtc [31:0] wpdata addr R1  */
+
+  /* class 5 */
+#define MMC_ERASE_GROUP_START    35   /* ac   [31:0] data addr   R1  */
+#define MMC_ERASE_GROUP_END      36   /* ac   [31:0] data addr   R1  */
+#define MMC_ERASE                37   /* ac                      R1b */
+
+  /* class 9 */
+#define MMC_FAST_IO              39   /* ac   <Complex>          R4  */
+#define MMC_GO_IRQ_STATE         40   /* bcr                     R5  */
+
+  /* class 7 */
+#define MMC_LOCK_UNLOCK          42   /* adtc                    R1b */
+
+  /* class 8 */
+#define MMC_APP_CMD              55   /* ac   [31:16] RCA        R1  */
+#define MMC_GEN_CMD              56   /* adtc [0] RD/WR          R1b */
+
+/*
+  MMC status in R1
+  Type
+  	e : error bit
+	s : status bit
+	r : detected and set for the actual command response
+	x : detected and set during command execution. the host must poll
+            the card by sending status command in order to read these bits.
+  Clear condition
+  	a : according to the card state
+	b : always related to the previous command. Reception of
+            a valid command will clear it (with a delay of one command)
+	c : clear by read
+ */
+
+#define R1_OUT_OF_RANGE		(1 << 31)	/* er, c */
+#define R1_ADDRESS_ERROR	(1 << 30)	/* erx, c */
+#define R1_BLOCK_LEN_ERROR	(1 << 29)	/* er, c */
+#define R1_ERASE_SEQ_ERROR      (1 << 28)	/* er, c */
+#define R1_ERASE_PARAM		(1 << 27)	/* ex, c */
+#define R1_WP_VIOLATION		(1 << 26)	/* erx, c */
+#define R1_CARD_IS_LOCKED	(1 << 25)	/* sx, a */
+#define R1_LOCK_UNLOCK_FAILED	(1 << 24)	/* erx, c */
+#define R1_COM_CRC_ERROR	(1 << 23)	/* er, b */
+#define R1_ILLEGAL_COMMAND	(1 << 22)	/* er, b */
+#define R1_CARD_ECC_FAILED	(1 << 21)	/* ex, c */
+#define R1_CC_ERROR		(1 << 20)	/* erx, c */
+#define R1_ERROR		(1 << 19)	/* erx, c */
+#define R1_UNDERRUN		(1 << 18)	/* ex, c */
+#define R1_OVERRUN		(1 << 17)	/* ex, c */
+#define R1_CID_CSD_OVERWRITE	(1 << 16)	/* erx, c, CID/CSD overwrite */
+#define R1_WP_ERASE_SKIP	(1 << 15)	/* sx, c */
+#define R1_CARD_ECC_DISABLED	(1 << 14)	/* sx, a */
+#define R1_ERASE_RESET		(1 << 13)	/* sr, c */
+#define R1_STATUS(x)            (x & 0xFFFFE000)
+#define R1_CURRENT_STATE(x)    	((x & 0x00001E00) >> 9)	/* sx, b (4 bits) */
+#define R1_READY_FOR_DATA	(1 << 8)	/* sx, a */
+#define R1_APP_CMD		(1 << 7)	/* sr, c */
+
+/* These are unpacked versions of the actual responses */
+
+struct _mmc_csd {
+	u8  csd_structure;
+	u8  spec_vers;
+	u8  taac;
+	u8  nsac;
+	u8  tran_speed;
+	u16 ccc;
+	u8  read_bl_len;
+	u8  read_bl_partial;
+	u8  write_blk_misalign;
+	u8  read_blk_misalign;
+	u8  dsr_imp;
+	u16 c_size;
+	u8  vdd_r_curr_min;
+	u8  vdd_r_curr_max;
+	u8  vdd_w_curr_min;
+	u8  vdd_w_curr_max;
+	u8  c_size_mult;
+	union {
+		struct { /* MMC system specification version 3.1 */
+			u8  erase_grp_size;
+			u8  erase_grp_mult;
+		} v31;
+		struct { /* MMC system specification version 2.2 */
+			u8  sector_size;
+			u8  erase_grp_size;
+		} v22;
+	} erase;
+	u8  wp_grp_size;
+	u8  wp_grp_enable;
+	u8  default_ecc;
+	u8  r2w_factor;
+	u8  write_bl_len;
+	u8  write_bl_partial;
+	u8  file_format_grp;
+	u8  copy;
+	u8  perm_write_protect;
+	u8  tmp_write_protect;
+	u8  file_format;
+	u8  ecc;
+};
+
+#define MMC_VDD_145_150	0x00000001	/* VDD voltage 1.45 - 1.50 */
+#define MMC_VDD_150_155	0x00000002	/* VDD voltage 1.50 - 1.55 */
+#define MMC_VDD_155_160	0x00000004	/* VDD voltage 1.55 - 1.60 */
+#define MMC_VDD_160_165	0x00000008	/* VDD voltage 1.60 - 1.65 */
+#define MMC_VDD_165_170	0x00000010	/* VDD voltage 1.65 - 1.70 */
+#define MMC_VDD_17_18	0x00000020	/* VDD voltage 1.7 - 1.8 */
+#define MMC_VDD_18_19	0x00000040	/* VDD voltage 1.8 - 1.9 */
+#define MMC_VDD_19_20	0x00000080	/* VDD voltage 1.9 - 2.0 */
+#define MMC_VDD_20_21	0x00000100	/* VDD voltage 2.0 ~ 2.1 */
+#define MMC_VDD_21_22	0x00000200	/* VDD voltage 2.1 ~ 2.2 */
+#define MMC_VDD_22_23	0x00000400	/* VDD voltage 2.2 ~ 2.3 */
+#define MMC_VDD_23_24	0x00000800	/* VDD voltage 2.3 ~ 2.4 */
+#define MMC_VDD_24_25	0x00001000	/* VDD voltage 2.4 ~ 2.5 */
+#define MMC_VDD_25_26	0x00002000	/* VDD voltage 2.5 ~ 2.6 */
+#define MMC_VDD_26_27	0x00004000	/* VDD voltage 2.6 ~ 2.7 */
+#define MMC_VDD_27_28	0x00008000	/* VDD voltage 2.7 ~ 2.8 */
+#define MMC_VDD_28_29	0x00010000	/* VDD voltage 2.8 ~ 2.9 */
+#define MMC_VDD_29_30	0x00020000	/* VDD voltage 2.9 ~ 3.0 */
+#define MMC_VDD_30_31	0x00040000	/* VDD voltage 3.0 ~ 3.1 */
+#define MMC_VDD_31_32	0x00080000	/* VDD voltage 3.1 ~ 3.2 */
+#define MMC_VDD_32_33	0x00100000	/* VDD voltage 3.2 ~ 3.3 */
+#define MMC_VDD_33_34	0x00200000	/* VDD voltage 3.3 ~ 3.4 */
+#define MMC_VDD_34_35	0x00400000	/* VDD voltage 3.4 ~ 3.5 */
+#define MMC_VDD_35_36	0x00800000	/* VDD voltage 3.5 ~ 3.6 */
+#define MMC_CARD_BUSY	0x80000000	/* Card Power up status bit */
+
+
+/*
+ * CSD field definitions
+ */
+
+#define CSD_STRUCT_VER_1_0  0           /* Valid for system specification 1.0 - 1.2 */
+#define CSD_STRUCT_VER_1_1  1           /* Valid for system specification 1.4 - 2.2 */
+#define CSD_STRUCT_VER_1_2  2           /* Valid for system specification 3.1       */
+
+#define CSD_SPEC_VER_0      0           /* Implements system specification 1.0 - 1.2 */
+#define CSD_SPEC_VER_1      1           /* Implements system specification 1.4 */
+#define CSD_SPEC_VER_2      2           /* Implements system specification 2.0 - 2.2 */
+#define CSD_SPEC_VER_3      3           /* Implements system specification 3.1 */
+
+#endif  /* MMC_MMC_PROTOCOL_H */
+