Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc: (75 commits)
  mmc: core: eMMC bus width may not work on all platforms
  mmc: sdhci: Auto-CMD23 fixes.
  mmc: sdhci: Auto-CMD23 support.
  mmc: core: Block CMD23 support for UHS104/SDXC cards.
  mmc: sdhci: Implement MMC_CAP_CMD23 for SDHCI.
  mmc: core: Use CMD23 for multiblock transfers when we can.
  mmc: quirks: Add/remove quirks conditional support.
  mmc: Add new VUB300 USB-to-SD/SDIO/MMC driver
  mmc: sdhci-pxa: Add quirks for DMA/ADMA to match h/w
  mmc: core: duplicated trial with same freq in mmc_rescan_try_freq()
  mmc: core: add support for eMMC Dual Data Rate
  mmc: core: eMMC signal voltage does not use CMD11
  mmc: sdhci-pxa: add platform code for UHS signaling
  mmc: sdhci: add hooks for setting UHS in platform specific code
  mmc: core: clear MMC_PM_KEEP_POWER flag on resume
  mmc: dw_mmc: fixed wrong regulator_enable in suspend/resume
  mmc: sdhi: allow powering down controller with no card inserted
  mmc: tmio: runtime suspend the controller, where possible
  mmc: sdhi: support up to 3 interrupt sources
  mmc: sdhi: print physical base address and clock rate
  ...

11 files changed, 358 insertions, 4 deletions

diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index ccfedb4f3eb0..01f636275057 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -4,6 +4,7 @@ header-y += caif/
 header-y += dvb/
 header-y += hdlc/
 header-y += isdn/
+header-y += mmc/
 header-y += nfsd/
 header-y += raid/
 header-y += spi/
diff --git a/include/linux/mfd/tmio.h b/include/linux/mfd/tmio.h
index 8e70310ee945..5a90266c3a5a 100644
--- a/include/linux/mfd/tmio.h
+++ b/include/linux/mfd/tmio.h
@@ -4,6 +4,7 @@
 #include <linux/fb.h>
 #include <linux/io.h>
 #include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
 
 #define tmio_ioread8(addr) readb(addr)
 #define tmio_ioread16(addr) readw(addr)
@@ -61,6 +62,12 @@
  * Some controllers can support SDIO IRQ signalling.
  */
 #define TMIO_MMC_SDIO_IRQ		(1 << 2)
+/*
+ * Some platforms can detect card insertion events with controller powered
+ * down, in which case they have to call tmio_mmc_cd_wakeup() to power up the
+ * controller and report the event to the driver.
+ */
+#define TMIO_MMC_HAS_COLD_CD		(1 << 3)
 
 int tmio_core_mmc_enable(void __iomem *cnf, int shift, unsigned long base);
 int tmio_core_mmc_resume(void __iomem *cnf, int shift, unsigned long base);
@@ -82,11 +89,21 @@ struct tmio_mmc_data {
 	unsigned long			flags;
 	u32				ocr_mask;	/* available voltages */
 	struct tmio_mmc_dma		*dma;
+	struct device			*dev;
+	bool				power;
 	void (*set_pwr)(struct platform_device *host, int state);
 	void (*set_clk_div)(struct platform_device *host, int state);
 	int (*get_cd)(struct platform_device *host);
 };
 
+static inline void tmio_mmc_cd_wakeup(struct tmio_mmc_data *pdata)
+{
+	if (pdata && !pdata->power) {
+		pdata->power = true;
+		pm_runtime_get(pdata->dev);
+	}
+}
+
 /*
  * data for the NAND controller
  */
diff --git a/include/linux/mmc/Kbuild b/include/linux/mmc/Kbuild
new file mode 100644
index 000000000000..1fb26448faa9
--- /dev/null
+++ b/include/linux/mmc/Kbuild
@@ -0,0 +1 @@
+header-y += ioctl.h
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index adb4888248be..c6927a4d157f 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -11,6 +11,7 @@
 #define LINUX_MMC_CARD_H
 
 #include <linux/mmc/core.h>
+#include <linux/mod_devicetable.h>
 
 struct mmc_cid {
 	unsigned int		manfid;
@@ -29,6 +30,7 @@ struct mmc_csd {
 	unsigned short		cmdclass;
 	unsigned short		tacc_clks;
 	unsigned int		tacc_ns;
+	unsigned int		c_size;
 	unsigned int		r2w_factor;
 	unsigned int		max_dtr;
 	unsigned int		erase_size;		/* In sectors */
@@ -45,6 +47,10 @@ struct mmc_ext_csd {
 	u8			rev;
 	u8			erase_group_def;
 	u8			sec_feature_support;
+	u8			rel_sectors;
+	u8			rel_param;
+	u8			part_config;
+	unsigned int		part_time;		/* Units: ms */
 	unsigned int		sa_timeout;		/* Units: 100ns */
 	unsigned int		hs_max_dtr;
 	unsigned int		sectors;
@@ -57,13 +63,18 @@ struct mmc_ext_csd {
 	bool			enhanced_area_en;	/* enable bit */
 	unsigned long long	enhanced_area_offset;	/* Units: Byte */
 	unsigned int		enhanced_area_size;	/* Units: KB */
+	unsigned int		boot_size;		/* in bytes */
 };
 
 struct sd_scr {
 	unsigned char		sda_vsn;
+	unsigned char		sda_spec3;
 	unsigned char		bus_widths;
 #define SD_SCR_BUS_WIDTH_1	(1<<0)
 #define SD_SCR_BUS_WIDTH_4	(1<<2)
+	unsigned char		cmds;
+#define SD_SCR_CMD20_SUPPORT   (1<<0)
+#define SD_SCR_CMD23_SUPPORT   (1<<1)
 };
 
 struct sd_ssr {
@@ -74,6 +85,39 @@ struct sd_ssr {
 
 struct sd_switch_caps {
 	unsigned int		hs_max_dtr;
+	unsigned int		uhs_max_dtr;
+#define UHS_SDR104_MAX_DTR	208000000
+#define UHS_SDR50_MAX_DTR	100000000
+#define UHS_DDR50_MAX_DTR	50000000
+#define UHS_SDR25_MAX_DTR	UHS_DDR50_MAX_DTR
+#define UHS_SDR12_MAX_DTR	25000000
+	unsigned int		sd3_bus_mode;
+#define UHS_SDR12_BUS_SPEED	0
+#define UHS_SDR25_BUS_SPEED	1
+#define UHS_SDR50_BUS_SPEED	2
+#define UHS_SDR104_BUS_SPEED	3
+#define UHS_DDR50_BUS_SPEED	4
+
+#define SD_MODE_UHS_SDR12	(1 << UHS_SDR12_BUS_SPEED)
+#define SD_MODE_UHS_SDR25	(1 << UHS_SDR25_BUS_SPEED)
+#define SD_MODE_UHS_SDR50	(1 << UHS_SDR50_BUS_SPEED)
+#define SD_MODE_UHS_SDR104	(1 << UHS_SDR104_BUS_SPEED)
+#define SD_MODE_UHS_DDR50	(1 << UHS_DDR50_BUS_SPEED)
+	unsigned int		sd3_drv_type;
+#define SD_DRIVER_TYPE_B	0x01
+#define SD_DRIVER_TYPE_A	0x02
+#define SD_DRIVER_TYPE_C	0x04
+#define SD_DRIVER_TYPE_D	0x08
+	unsigned int		sd3_curr_limit;
+#define SD_SET_CURRENT_LIMIT_200	0
+#define SD_SET_CURRENT_LIMIT_400	1
+#define SD_SET_CURRENT_LIMIT_600	2
+#define SD_SET_CURRENT_LIMIT_800	3
+
+#define SD_MAX_CURRENT_200	(1 << SD_SET_CURRENT_LIMIT_200)
+#define SD_MAX_CURRENT_400	(1 << SD_SET_CURRENT_LIMIT_400)
+#define SD_MAX_CURRENT_600	(1 << SD_SET_CURRENT_LIMIT_600)
+#define SD_MAX_CURRENT_800	(1 << SD_SET_CURRENT_LIMIT_800)
 };
 
 struct sdio_cccr {
@@ -118,6 +162,8 @@ struct mmc_card {
 #define MMC_STATE_HIGHSPEED	(1<<2)		/* card is in high speed mode */
 #define MMC_STATE_BLOCKADDR	(1<<3)		/* card uses block-addressing */
 #define MMC_STATE_HIGHSPEED_DDR (1<<4)		/* card is in high speed mode */
+#define MMC_STATE_ULTRAHIGHSPEED (1<<5)		/* card is in ultra high speed mode */
+#define MMC_CARD_SDXC		(1<<6)		/* card is SDXC */
 	unsigned int		quirks; 	/* card quirks */
 #define MMC_QUIRK_LENIENT_FN0	(1<<0)		/* allow SDIO FN0 writes outside of the VS CCCR range */
 #define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1)	/* use func->cur_blksize */
@@ -125,6 +171,10 @@ struct mmc_card {
 #define MMC_QUIRK_NONSTD_SDIO	(1<<2)		/* non-standard SDIO card attached */
 						/* (missing CIA registers) */
 #define MMC_QUIRK_BROKEN_CLK_GATING (1<<3)	/* clock gating the sdio bus will make card fail */
+#define MMC_QUIRK_NONSTD_FUNC_IF (1<<4)		/* SDIO card has nonstd function interfaces */
+#define MMC_QUIRK_DISABLE_CD	(1<<5)		/* disconnect CD/DAT[3] resistor */
+#define MMC_QUIRK_INAND_CMD38	(1<<6)		/* iNAND devices have broken CMD38 */
+#define MMC_QUIRK_BLK_NO_CMD23	(1<<7)		/* Avoid CMD23 for regular multiblock */
 
 	unsigned int		erase_size;	/* erase size in sectors */
  	unsigned int		erase_shift;	/* if erase unit is power 2 */
@@ -145,14 +195,100 @@ struct mmc_card {
 	struct sdio_cccr	cccr;		/* common card info */
 	struct sdio_cis		cis;		/* common tuple info */
 	struct sdio_func	*sdio_func[SDIO_MAX_FUNCS]; /* SDIO functions (devices) */
+	struct sdio_func	*sdio_single_irq; /* SDIO function when only one IRQ active */
 	unsigned		num_info;	/* number of info strings */
 	const char		**info;		/* info strings */
 	struct sdio_func_tuple	*tuples;	/* unknown common tuples */
 
+	unsigned int		sd_bus_speed;	/* Bus Speed Mode set for the card */
+
 	struct dentry		*debugfs_root;
 };
 
-void mmc_fixup_device(struct mmc_card *dev);
+/*
+ *  The world is not perfect and supplies us with broken mmc/sdio devices.
+ *  For at least some of these bugs we need a work-around.
+ */
+
+struct mmc_fixup {
+	/* CID-specific fields. */
+	const char *name;
+
+	/* Valid revision range */
+	u64 rev_start, rev_end;
+
+	unsigned int manfid;
+	unsigned short oemid;
+
+	/* SDIO-specfic fields. You can use SDIO_ANY_ID here of course */
+	u16 cis_vendor, cis_device;
+
+	void (*vendor_fixup)(struct mmc_card *card, int data);
+	int data;
+};
+
+#define CID_MANFID_ANY (-1u)
+#define CID_OEMID_ANY ((unsigned short) -1)
+#define CID_NAME_ANY (NULL)
+
+#define END_FIXUP { 0 }
+
+#define _FIXUP_EXT(_name, _manfid, _oemid, _rev_start, _rev_end,	\
+		   _cis_vendor, _cis_device,				\
+		   _fixup, _data)					\
+	{						   \
+		.name = (_name),			   \
+		.manfid = (_manfid),			   \
+		.oemid = (_oemid),			   \
+		.rev_start = (_rev_start),		   \
+		.rev_end = (_rev_end),			   \
+		.cis_vendor = (_cis_vendor),		   \
+		.cis_device = (_cis_device),		   \
+		.vendor_fixup = (_fixup),		   \
+		.data = (_data),			   \
+	 }
+
+#define MMC_FIXUP_REV(_name, _manfid, _oemid, _rev_start, _rev_end,	\
+		      _fixup, _data)					\
+	_FIXUP_EXT(_name, _manfid,					\
+		   _oemid, _rev_start, _rev_end,			\
+		   SDIO_ANY_ID, SDIO_ANY_ID,				\
+		   _fixup, _data)					\
+
+#define MMC_FIXUP(_name, _manfid, _oemid, _fixup, _data) \
+	MMC_FIXUP_REV(_name, _manfid, _oemid, 0, -1ull, _fixup, _data)
+
+#define SDIO_FIXUP(_vendor, _device, _fixup, _data)			\
+	_FIXUP_EXT(CID_NAME_ANY, CID_MANFID_ANY,			\
+		    CID_OEMID_ANY, 0, -1ull,				\
+		   _vendor, _device,					\
+		   _fixup, _data)					\
+
+#define cid_rev(hwrev, fwrev, year, month)	\
+	(((u64) hwrev) << 40 |                  \
+	 ((u64) fwrev) << 32 |                  \
+	 ((u64) year) << 16 |                   \
+	 ((u64) month))
+
+#define cid_rev_card(card)		  \
+	cid_rev(card->cid.hwrev,	  \
+		    card->cid.fwrev,      \
+		    card->cid.year,	  \
+		    card->cid.month)
+
+/*
+ * Unconditionally quirk add/remove.
+ */
+
+static inline void __maybe_unused add_quirk(struct mmc_card *card, int data)
+{
+	card->quirks |= data;
+}
+
+static inline void __maybe_unused remove_quirk(struct mmc_card *card, int data)
+{
+	card->quirks &= ~data;
+}
 
 #define mmc_card_mmc(c)		((c)->type == MMC_TYPE_MMC)
 #define mmc_card_sd(c)		((c)->type == MMC_TYPE_SD)
@@ -163,12 +299,50 @@ void mmc_fixup_device(struct mmc_card *dev);
 #define mmc_card_highspeed(c)	((c)->state & MMC_STATE_HIGHSPEED)
 #define mmc_card_blockaddr(c)	((c)->state & MMC_STATE_BLOCKADDR)
 #define mmc_card_ddr_mode(c)	((c)->state & MMC_STATE_HIGHSPEED_DDR)
+#define mmc_sd_card_uhs(c) ((c)->state & MMC_STATE_ULTRAHIGHSPEED)
+#define mmc_card_ext_capacity(c) ((c)->state & MMC_CARD_SDXC)
 
 #define mmc_card_set_present(c)	((c)->state |= MMC_STATE_PRESENT)
 #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY)
 #define mmc_card_set_highspeed(c) ((c)->state |= MMC_STATE_HIGHSPEED)
 #define mmc_card_set_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR)
 #define mmc_card_set_ddr_mode(c) ((c)->state |= MMC_STATE_HIGHSPEED_DDR)
+#define mmc_sd_card_set_uhs(c) ((c)->state |= MMC_STATE_ULTRAHIGHSPEED)
+#define mmc_card_set_ext_capacity(c) ((c)->state |= MMC_CARD_SDXC)
+
+/*
+ * Quirk add/remove for MMC products.
+ */
+
+static inline void __maybe_unused add_quirk_mmc(struct mmc_card *card, int data)
+{
+	if (mmc_card_mmc(card))
+		card->quirks |= data;
+}
+
+static inline void __maybe_unused remove_quirk_mmc(struct mmc_card *card,
+						   int data)
+{
+	if (mmc_card_mmc(card))
+		card->quirks &= ~data;
+}
+
+/*
+ * Quirk add/remove for SD products.
+ */
+
+static inline void __maybe_unused add_quirk_sd(struct mmc_card *card, int data)
+{
+	if (mmc_card_sd(card))
+		card->quirks |= data;
+}
+
+static inline void __maybe_unused remove_quirk_sd(struct mmc_card *card,
+						   int data)
+{
+	if (mmc_card_sd(card))
+		card->quirks &= ~data;
+}
 
 static inline int mmc_card_lenient_fn0(const struct mmc_card *c)
 {
@@ -180,6 +354,16 @@ static inline int mmc_blksz_for_byte_mode(const struct mmc_card *c)
 	return c->quirks & MMC_QUIRK_BLKSZ_FOR_BYTE_MODE;
 }
 
+static inline int mmc_card_disable_cd(const struct mmc_card *c)
+{
+	return c->quirks & MMC_QUIRK_DISABLE_CD;
+}
+
+static inline int mmc_card_nonstd_func_interface(const struct mmc_card *c)
+{
+	return c->quirks & MMC_QUIRK_NONSTD_FUNC_IF;
+}
+
 #define mmc_card_name(c)	((c)->cid.prod_name)
 #define mmc_card_id(c)		(dev_name(&(c)->dev))
 
@@ -203,4 +387,7 @@ struct mmc_driver {
 extern int mmc_register_driver(struct mmc_driver *);
 extern void mmc_unregister_driver(struct mmc_driver *);
 
+extern void mmc_fixup_device(struct mmc_card *card,
+			     const struct mmc_fixup *table);
+
 #endif
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index 07f27af4dba5..b6718e549a51 100644
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -92,7 +92,7 @@ struct mmc_command {
  *              actively failing requests
  */
 
-	unsigned int		erase_timeout;	/* in milliseconds */
+	unsigned int		cmd_timeout_ms;	/* in milliseconds */
 
 	struct mmc_data		*data;		/* data segment associated with cmd */
 	struct mmc_request	*mrq;		/* associated request */
@@ -120,6 +120,7 @@ struct mmc_data {
 };
 
 struct mmc_request {
+	struct mmc_command	*sbc;		/* SET_BLOCK_COUNT for multiblock */
 	struct mmc_command	*cmd;
 	struct mmc_data		*data;
 	struct mmc_command	*stop;
@@ -133,8 +134,10 @@ struct mmc_card;
 
 extern void 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_app_cmd(struct mmc_host *, struct mmc_card *);
 extern int mmc_wait_for_app_cmd(struct mmc_host *, struct mmc_card *,
 	struct mmc_command *, int);
+extern int mmc_switch(struct mmc_card *, u8, u8, u8, unsigned int);
 
 #define MMC_ERASE_ARG		0x00000000
 #define MMC_SECURE_ERASE_ARG	0x80000000
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index bcb793ec7374..1ee4424462eb 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -50,12 +50,30 @@ struct mmc_ios {
 #define MMC_TIMING_LEGACY	0
 #define MMC_TIMING_MMC_HS	1
 #define MMC_TIMING_SD_HS	2
+#define MMC_TIMING_UHS_SDR12	MMC_TIMING_LEGACY
+#define MMC_TIMING_UHS_SDR25	MMC_TIMING_SD_HS
+#define MMC_TIMING_UHS_SDR50	3
+#define MMC_TIMING_UHS_SDR104	4
+#define MMC_TIMING_UHS_DDR50	5
 
 	unsigned char	ddr;			/* dual data rate used */
 
 #define MMC_SDR_MODE		0
 #define MMC_1_2V_DDR_MODE	1
 #define MMC_1_8V_DDR_MODE	2
+
+	unsigned char	signal_voltage;		/* signalling voltage (1.8V or 3.3V) */
+
+#define MMC_SIGNAL_VOLTAGE_330	0
+#define MMC_SIGNAL_VOLTAGE_180	1
+#define MMC_SIGNAL_VOLTAGE_120	2
+
+	unsigned char	drv_type;		/* driver type (A, B, C, D) */
+
+#define MMC_SET_DRIVER_TYPE_B	0
+#define MMC_SET_DRIVER_TYPE_A	1
+#define MMC_SET_DRIVER_TYPE_C	2
+#define MMC_SET_DRIVER_TYPE_D	3
 };
 
 struct mmc_host_ops {
@@ -117,6 +135,10 @@ struct mmc_host_ops {
 
 	/* optional callback for HC quirks */
 	void	(*init_card)(struct mmc_host *host, struct mmc_card *card);
+
+	int	(*start_signal_voltage_switch)(struct mmc_host *host, struct mmc_ios *ios);
+	int	(*execute_tuning)(struct mmc_host *host);
+	void	(*enable_preset_value)(struct mmc_host *host, bool enable);
 };
 
 struct mmc_card;
@@ -173,6 +195,22 @@ struct mmc_host {
 						/* DDR mode at 1.2V */
 #define MMC_CAP_POWER_OFF_CARD	(1 << 13)	/* Can power off after boot */
 #define MMC_CAP_BUS_WIDTH_TEST	(1 << 14)	/* CMD14/CMD19 bus width ok */
+#define MMC_CAP_UHS_SDR12	(1 << 15)	/* Host supports UHS SDR12 mode */
+#define MMC_CAP_UHS_SDR25	(1 << 16)	/* Host supports UHS SDR25 mode */
+#define MMC_CAP_UHS_SDR50	(1 << 17)	/* Host supports UHS SDR50 mode */
+#define MMC_CAP_UHS_SDR104	(1 << 18)	/* Host supports UHS SDR104 mode */
+#define MMC_CAP_UHS_DDR50	(1 << 19)	/* Host supports UHS DDR50 mode */
+#define MMC_CAP_SET_XPC_330	(1 << 20)	/* Host supports >150mA current at 3.3V */
+#define MMC_CAP_SET_XPC_300	(1 << 21)	/* Host supports >150mA current at 3.0V */
+#define MMC_CAP_SET_XPC_180	(1 << 22)	/* Host supports >150mA current at 1.8V */
+#define MMC_CAP_DRIVER_TYPE_A	(1 << 23)	/* Host supports Driver Type A */
+#define MMC_CAP_DRIVER_TYPE_C	(1 << 24)	/* Host supports Driver Type C */
+#define MMC_CAP_DRIVER_TYPE_D	(1 << 25)	/* Host supports Driver Type D */
+#define MMC_CAP_MAX_CURRENT_200	(1 << 26)	/* Host max current limit is 200mA */
+#define MMC_CAP_MAX_CURRENT_400	(1 << 27)	/* Host max current limit is 400mA */
+#define MMC_CAP_MAX_CURRENT_600	(1 << 28)	/* Host max current limit is 600mA */
+#define MMC_CAP_MAX_CURRENT_800	(1 << 29)	/* Host max current limit is 800mA */
+#define MMC_CAP_CMD23		(1 << 30)	/* CMD23 supported. */
 
 	mmc_pm_flag_t		pm_caps;	/* supported pm features */
 
@@ -321,10 +359,19 @@ static inline int mmc_card_is_removable(struct mmc_host *host)
 	return !(host->caps & MMC_CAP_NONREMOVABLE) && mmc_assume_removable;
 }
 
-static inline int mmc_card_is_powered_resumed(struct mmc_host *host)
+static inline int mmc_card_keep_power(struct mmc_host *host)
 {
 	return host->pm_flags & MMC_PM_KEEP_POWER;
 }
 
+static inline int mmc_card_wake_sdio_irq(struct mmc_host *host)
+{
+	return host->pm_flags & MMC_PM_WAKE_SDIO_IRQ;
+}
+
+static inline int mmc_host_cmd23(struct mmc_host *host)
+{
+	return host->caps & MMC_CAP_CMD23;
+}
 #endif
 
diff --git a/include/linux/mmc/ioctl.h b/include/linux/mmc/ioctl.h
new file mode 100644
index 000000000000..5baf2983a12f
--- /dev/null
+++ b/include/linux/mmc/ioctl.h
@@ -0,0 +1,54 @@
+#ifndef LINUX_MMC_IOCTL_H
+#define LINUX_MMC_IOCTL_H
+struct mmc_ioc_cmd {
+	/* Implies direction of data.  true = write, false = read */
+	int write_flag;
+
+	/* Application-specific command.  true = precede with CMD55 */
+	int is_acmd;
+
+	__u32 opcode;
+	__u32 arg;
+	__u32 response[4];  /* CMD response */
+	unsigned int flags;
+	unsigned int blksz;
+	unsigned int blocks;
+
+	/*
+	 * Sleep at least postsleep_min_us useconds, and at most
+	 * postsleep_max_us useconds *after* issuing command.  Needed for
+	 * some read commands for which cards have no other way of indicating
+	 * they're ready for the next command (i.e. there is no equivalent of
+	 * a "busy" indicator for read operations).
+	 */
+	unsigned int postsleep_min_us;
+	unsigned int postsleep_max_us;
+
+	/*
+	 * Override driver-computed timeouts.  Note the difference in units!
+	 */
+	unsigned int data_timeout_ns;
+	unsigned int cmd_timeout_ms;
+
+	/*
+	 * For 64-bit machines, the next member, ``__u64 data_ptr``, wants to
+	 * be 8-byte aligned.  Make sure this struct is the same size when
+	 * built for 32-bit.
+	 */
+	__u32 __pad;
+
+	/* DAT buffer */
+	__u64 data_ptr;
+};
+#define mmc_ioc_cmd_set_data(ic, ptr) ic.data_ptr = (__u64)(unsigned long) ptr
+
+#define MMC_IOC_CMD _IOWR(MMC_BLOCK_MAJOR, 0, struct mmc_ioc_cmd)
+
+/*
+ * Since this ioctl is only meant to enhance (and not replace) normal access
+ * to the mmc bus device, an upper data transfer limit of MMC_IOC_MAX_BYTES
+ * is enforced per ioctl call.  For larger data transfers, use the normal
+ * block device operations.
+ */
+#define MMC_IOC_MAX_BYTES  (512L * 256)
+#endif  /* LINUX_MMC_IOCTL_H */
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index 264ba5451e3b..ac26a685cca8 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -50,6 +50,7 @@
 #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  */
+#define MMC_SEND_TUNING_BLOCK    19   /* adtc                    R1  */
 
   /* class 3 */
 #define MMC_WRITE_DAT_UNTIL_STOP 20   /* adtc [31:0] data addr   R1  */
@@ -82,6 +83,12 @@
 #define MMC_APP_CMD              55   /* ac   [31:16] RCA        R1  */
 #define MMC_GEN_CMD              56   /* adtc [0] RD/WR          R1  */
 
+static inline bool mmc_op_multi(u32 opcode)
+{
+	return opcode == MMC_WRITE_MULTIPLE_BLOCK ||
+	       opcode == MMC_READ_MULTIPLE_BLOCK;
+}
+
 /*
  * MMC_SWITCH argument format:
  *
@@ -255,18 +262,23 @@ struct _mmc_csd {
 
 #define EXT_CSD_PARTITION_ATTRIBUTE	156	/* R/W */
 #define EXT_CSD_PARTITION_SUPPORT	160	/* RO */
+#define EXT_CSD_WR_REL_PARAM		166	/* RO */
 #define EXT_CSD_ERASE_GROUP_DEF		175	/* R/W */
+#define EXT_CSD_PART_CONFIG		179	/* R/W */
 #define EXT_CSD_ERASED_MEM_CONT		181	/* RO */
 #define EXT_CSD_BUS_WIDTH		183	/* R/W */
 #define EXT_CSD_HS_TIMING		185	/* R/W */
 #define EXT_CSD_REV			192	/* RO */
 #define EXT_CSD_STRUCTURE		194	/* RO */
 #define EXT_CSD_CARD_TYPE		196	/* RO */
+#define EXT_CSD_PART_SWITCH_TIME        199     /* RO */
 #define EXT_CSD_SEC_CNT			212	/* RO, 4 bytes */
 #define EXT_CSD_S_A_TIMEOUT		217	/* RO */
+#define EXT_CSD_REL_WR_SEC_C		222	/* RO */
 #define EXT_CSD_HC_WP_GRP_SIZE		221	/* RO */
 #define EXT_CSD_ERASE_TIMEOUT_MULT	223	/* RO */
 #define EXT_CSD_HC_ERASE_GRP_SIZE	224	/* RO */
+#define EXT_CSD_BOOT_MULT		226	/* RO */
 #define EXT_CSD_SEC_TRIM_MULT		229	/* RO */
 #define EXT_CSD_SEC_ERASE_MULT		230	/* RO */
 #define EXT_CSD_SEC_FEATURE_SUPPORT	231	/* RO */
@@ -276,6 +288,12 @@ struct _mmc_csd {
  * EXT_CSD field definitions
  */
 
+#define EXT_CSD_WR_REL_PARAM_EN		(1<<2)
+
+#define EXT_CSD_PART_CONFIG_ACC_MASK	(0x7)
+#define EXT_CSD_PART_CONFIG_ACC_BOOT0	(0x1)
+#define EXT_CSD_PART_CONFIG_ACC_BOOT1	(0x2)
+
 #define EXT_CSD_CMD_SET_NORMAL		(1<<0)
 #define EXT_CSD_CMD_SET_SECURE		(1<<1)
 #define EXT_CSD_CMD_SET_CPSECURE	(1<<2)
diff --git a/include/linux/mmc/sd.h b/include/linux/mmc/sd.h
index 3fd85e088cc3..7d35d52c3df3 100644
--- a/include/linux/mmc/sd.h
+++ b/include/linux/mmc/sd.h
@@ -17,6 +17,7 @@
 /* This is basically the same command as for MMC with some quirks. */
 #define SD_SEND_RELATIVE_ADDR     3   /* bcr                     R6  */
 #define SD_SEND_IF_COND           8   /* bcr  [11:0] See below   R7  */
+#define SD_SWITCH_VOLTAGE         11  /* ac                      R1  */
 
   /* class 10 */
 #define SD_SWITCH                 6   /* adtc [31:0] See below   R1  */
@@ -32,6 +33,12 @@
 #define SD_APP_OP_COND           41   /* bcr  [31:0] OCR         R3  */
 #define SD_APP_SEND_SCR          51   /* adtc                    R1  */
 
+/* OCR bit definitions */
+#define SD_OCR_S18R		(1 << 24)    /* 1.8V switching request */
+#define SD_ROCR_S18A		SD_OCR_S18R  /* 1.8V switching accepted by card */
+#define SD_OCR_XPC		(1 << 28)    /* SDXC power control */
+#define SD_OCR_CCS		(1 << 30)    /* Card Capacity Status */
+
 /*
  * SD_SWITCH argument format:
  *
@@ -59,7 +66,7 @@
 
 #define SCR_SPEC_VER_0		0	/* Implements system specification 1.0 - 1.01 */
 #define SCR_SPEC_VER_1		1	/* Implements system specification 1.10 */
-#define SCR_SPEC_VER_2		2	/* Implements system specification 2.00 */
+#define SCR_SPEC_VER_2		2	/* Implements system specification 2.00-3.0X */
 
 /*
  * SD bus widths
diff --git a/include/linux/mmc/sdhci.h b/include/linux/mmc/sdhci.h
index 83bd9f76709a..6a68c4eb4e44 100644
--- a/include/linux/mmc/sdhci.h
+++ b/include/linux/mmc/sdhci.h
@@ -85,6 +85,8 @@ struct sdhci_host {
 #define SDHCI_QUIRK_NO_HISPD_BIT			(1<<29)
 /* Controller treats ADMA descriptors with length 0000h incorrectly */
 #define SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC		(1<<30)
+/* The read-only detection via SDHCI_PRESENT_STATE register is unstable */
+#define SDHCI_QUIRK_UNSTABLE_RO_DETECT			(1<<31)
 
 	int irq;		/* Device IRQ */
 	void __iomem *ioaddr;	/* Mapped address */
@@ -109,11 +111,16 @@ struct sdhci_host {
 #define SDHCI_USE_ADMA		(1<<1)	/* Host is ADMA capable */
 #define SDHCI_REQ_USE_DMA	(1<<2)	/* Use DMA for this req. */
 #define SDHCI_DEVICE_DEAD	(1<<3)	/* Device unresponsive */
+#define SDHCI_SDR50_NEEDS_TUNING (1<<4)	/* SDR50 needs tuning */
+#define SDHCI_NEEDS_RETUNING	(1<<5)	/* Host needs retuning */
+#define SDHCI_AUTO_CMD12	(1<<6)	/* Auto CMD12 support */
+#define SDHCI_AUTO_CMD23	(1<<7)	/* Auto CMD23 support */
 
 	unsigned int version;	/* SDHCI spec. version */
 
 	unsigned int max_clk;	/* Max possible freq (MHz) */
 	unsigned int timeout_clk;	/* Timeout freq (KHz) */
+	unsigned int clk_mul;	/* Clock Muliplier value */
 
 	unsigned int clock;	/* Current clock (MHz) */
 	u8 pwr;			/* Current voltage */
@@ -145,6 +152,14 @@ struct sdhci_host {
 	unsigned int            ocr_avail_sd;
 	unsigned int            ocr_avail_mmc;
 
+	wait_queue_head_t	buf_ready_int;	/* Waitqueue for Buffer Read Ready interrupt */
+	unsigned int		tuning_done;	/* Condition flag set when CMD19 succeeds */
+
+	unsigned int		tuning_count;	/* Timer count for re-tuning */
+	unsigned int		tuning_mode;	/* Re-tuning mode supported by host */
+#define SDHCI_TUNING_MODE_1	0
+	struct timer_list	tuning_timer;	/* Timer for tuning */
+
 	unsigned long private[0] ____cacheline_aligned;
 };
 #endif /* __SDHCI_H */
diff --git a/include/linux/mmc/sh_mobile_sdhi.h b/include/linux/mmc/sh_mobile_sdhi.h
index c981b959760f..faf32b6ec185 100644
--- a/include/linux/mmc/sh_mobile_sdhi.h
+++ b/include/linux/mmc/sh_mobile_sdhi.h
@@ -3,12 +3,16 @@
 
 #include <linux/types.h>
 
+struct platform_device;
+struct tmio_mmc_data;
+
 struct sh_mobile_sdhi_info {
 	int dma_slave_tx;
 	int dma_slave_rx;
 	unsigned long tmio_flags;
 	unsigned long tmio_caps;
 	u32 tmio_ocr_mask;	/* available MMC voltages */
+	struct tmio_mmc_data *pdata;
 	void (*set_pwr)(struct platform_device *pdev, int state);
 	int (*get_cd)(struct platform_device *pdev);
 };