Merge commit 'AU_LINUX_ANDROID_ICS.04.00.04.00.126' into msm-3.4

AU_LINUX_ANDROID_ICS.04.00.04.00.126 from msm-3.0.
First parent is from google/android-3.4.

* commit 'AU_LINUX_ANDROID_ICS.04.00.04.00.126': (8712 commits)
  PRNG: Device tree entry for qrng device.
  vidc:1080p: Set video core timeout value for Thumbnail mode
  msm: sps: improve the debugging support in SPS driver
  board-8064 msm: Overlap secure and non secure video firmware heaps.
  msm: clock: Add handoff ops for 7x30 and copper XO clocks
  msm_fb: display: Wait for external vsync before DTV IOMMU unmap
  msm: Fix ciruclar dependency in debug UART settings
  msm: gdsc: Add GDSC regulator driver for msm-copper
  defconfig: Enable Mobicore Driver.
  mobicore: Add mobicore driver.
  mobicore: rename variable to lower case.
  mobicore: rename folder.
  mobicore: add makefiles
  mobicore: initial import of kernel driver
  ASoC: msm: Add SLIMBUS_2_RX CPU DAI
  board-8064-gpio: Update FUNC for EPM SPI CS
  msm_fb: display: Remove chicken bit config during video playback
  mmc: msm_sdcc: enable the sanitize capability
  msm-fb: display: lm2 writeback support on mpq platfroms
  msm_fb: display: Disable LVDS phy & pll during panel off
  ...

Signed-off-by: Steve Muckle <smuckle@codeaurora.org>
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 629b823..1adfbe7 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -53,6 +53,9 @@
 	u8			part_config;
 	u8			cache_ctrl;
 	u8			rst_n_function;
+	u8			max_packed_writes;
+	u8			max_packed_reads;
+	u8			packed_event_en;
 	unsigned int		part_time;		/* Units: ms */
 	unsigned int		sa_timeout;		/* Units: 100ns */
 	unsigned int		generic_cmd6_time;	/* Units: 10ms */
@@ -76,6 +79,9 @@
 	unsigned int            data_tag_unit_size;     /* DATA TAG UNIT size */
 	unsigned int		boot_ro_lock;		/* ro lock support */
 	bool			boot_ro_lockable;
+	bool			bkops;		/* background support bit */
+	bool			bkops_en;	/* background enable bit */
+	u8			raw_exception_status;	/* 53 */
 	u8			raw_partition_support;	/* 160 */
 	u8			raw_erased_mem_count;	/* 181 */
 	u8			raw_ext_csd_structure;	/* 194 */
@@ -89,6 +95,7 @@
 	u8			raw_sec_erase_mult;	/* 230 */
 	u8			raw_sec_feature_support;/* 231 */
 	u8			raw_trim_mult;		/* 232 */
+	u8			raw_bkops_status;	/* 246 */
 	u8			raw_sectors[4];		/* 212 - 4 bytes */
 
 	unsigned int            feature_support;
@@ -198,6 +205,25 @@
 #define MMC_BLK_DATA_AREA_GP	(1<<2)
 };
 
+enum mmc_packed_stop_reasons {
+	EXCEEDS_SEGMENTS = 0,
+	EXCEEDS_SECTORS,
+	WRONG_DATA_DIR,
+	FLUSH_OR_DISCARD,
+	EMPTY_QUEUE,
+	REL_WRITE,
+	THRESHOLD,
+	MAX_REASONS,
+};
+
+struct mmc_wr_pack_stats {
+	u32 *packing_events;
+	u32 pack_stop_reason[MAX_REASONS];
+	spinlock_t lock;
+	bool enabled;
+	bool print_in_read;
+};
+
 /*
  * MMC device
  */
@@ -221,6 +247,9 @@
 #define MMC_CARD_REMOVED	(1<<7)		/* card has been removed */
 #define MMC_STATE_HIGHSPEED_200	(1<<8)		/* card is in HS200 mode */
 #define MMC_STATE_SLEEP		(1<<9)		/* card is in sleep state */
+#define MMC_STATE_NEED_BKOPS	(1<<10)		/* card need to do BKOPS */
+#define MMC_STATE_DOING_BKOPS	(1<<11)		/* card is doing BKOPS */
+#define MMC_STATE_CHECK_BKOPS	(1<<12)		/* card need to check BKOPS */
 	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 */
@@ -235,6 +264,7 @@
 #define MMC_QUIRK_BROKEN_BYTE_MODE_512 (1<<8)	/* Avoid sending 512 bytes in */
 #define MMC_QUIRK_LONG_READ_TIME (1<<9)		/* Data read time > CSD says */
 						/* byte mode */
+#define MMC_QUIRK_INAND_DATA_TIMEOUT  (1<<8)    /* For incorrect data timeout */
 	unsigned int    poweroff_notify_state;	/* eMMC4.5 notify feature */
 #define MMC_NO_POWER_NOTIFICATION	0
 #define MMC_POWERED_ON			1
@@ -270,6 +300,8 @@
 	struct dentry		*debugfs_root;
 	struct mmc_part	part[MMC_NUM_PHY_PARTITION]; /* physical partitions */
 	unsigned int    nr_parts;
+
+	struct mmc_wr_pack_stats wr_pack_stats; /* packed commands stats*/
 };
 
 /*
@@ -387,6 +419,9 @@
 #define mmc_card_ext_capacity(c) ((c)->state & MMC_CARD_SDXC)
 #define mmc_card_removed(c)	((c) && ((c)->state & MMC_CARD_REMOVED))
 #define mmc_card_is_sleep(c)	((c)->state & MMC_STATE_SLEEP)
+#define mmc_card_need_bkops(c)	((c)->state & MMC_STATE_NEED_BKOPS)
+#define mmc_card_doing_bkops(c)	((c)->state & MMC_STATE_DOING_BKOPS)
+#define mmc_card_check_bkops(c) ((c)->state & MMC_STATE_CHECK_BKOPS)
 
 #define mmc_card_set_present(c)	((c)->state |= MMC_STATE_PRESENT)
 #define mmc_card_set_readonly(c) ((c)->state |= MMC_STATE_READONLY)
@@ -399,7 +434,13 @@
 #define mmc_card_set_ext_capacity(c) ((c)->state |= MMC_CARD_SDXC)
 #define mmc_card_set_removed(c) ((c)->state |= MMC_CARD_REMOVED)
 #define mmc_card_set_sleep(c)	((c)->state |= MMC_STATE_SLEEP)
+#define mmc_card_set_need_bkops(c)	((c)->state |= MMC_STATE_NEED_BKOPS)
+#define mmc_card_set_doing_bkops(c)	((c)->state |= MMC_STATE_DOING_BKOPS)
+#define mmc_card_set_check_bkops(c) ((c)->state |= MMC_STATE_CHECK_BKOPS)
 
+#define mmc_card_clr_need_bkops(c)	((c)->state &= ~MMC_STATE_NEED_BKOPS)
+#define mmc_card_clr_doing_bkops(c)	((c)->state &= ~MMC_STATE_DOING_BKOPS)
+#define mmc_card_clr_check_bkops(c) ((c)->state &= ~MMC_STATE_CHECK_BKOPS)
 #define mmc_card_clr_sleep(c)	((c)->state &= ~MMC_STATE_SLEEP)
 /*
  * Quirk add/remove for MMC products.
@@ -491,4 +532,8 @@
 extern void mmc_fixup_device(struct mmc_card *card,
 			     const struct mmc_fixup *table);
 
+extern struct mmc_wr_pack_stats *mmc_blk_get_packed_statistics(
+			struct mmc_card *card);
+extern void mmc_blk_init_packed_statistics(struct mmc_card *card);
+
 #endif /* LINUX_MMC_CARD_H */
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index 1b431c7..6348b2f 100644
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -18,6 +18,9 @@
 struct mmc_command {
 	u32			opcode;
 	u32			arg;
+#define MMC_CMD23_ARG_REL_WR	(1 << 31)
+#define MMC_CMD23_ARG_PACKED	((0 << 31) | (1 << 30))
+#define MMC_CMD23_ARG_TAG_REQ	(1 << 29)
 	u32			resp[4];
 	unsigned int		flags;		/* expected response type */
 #define MMC_RSP_PRESENT	(1 << 0)
@@ -134,6 +137,9 @@
 struct mmc_card;
 struct mmc_async_req;
 
+extern int mmc_interrupt_bkops(struct mmc_card *);
+extern int mmc_read_bkops_status(struct mmc_card *);
+extern int mmc_is_exception_event(struct mmc_card *, unsigned int);
 extern struct mmc_async_req *mmc_start_req(struct mmc_host *,
 					   struct mmc_async_req *, int *);
 extern int mmc_interrupt_hpi(struct mmc_card *);
@@ -143,6 +149,7 @@
 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);
+extern int mmc_send_ext_csd(struct mmc_card *card, u8 *ext_csd);
 
 #define MMC_ERASE_ARG		0x00000000
 #define MMC_SECURE_ERASE_ARG	0x80000000
@@ -163,6 +170,7 @@
 extern int mmc_can_secure_erase_trim(struct mmc_card *card);
 extern int mmc_erase_group_aligned(struct mmc_card *card, unsigned int from,
 				   unsigned int nr);
+extern void mmc_start_bkops(struct mmc_card *card);
 extern unsigned int mmc_calc_max_discard(struct mmc_card *card);
 
 extern int mmc_set_blocklen(struct mmc_card *card, unsigned int blocklen);
@@ -176,6 +184,9 @@
 extern int __mmc_claim_host(struct mmc_host *host, atomic_t *abort);
 extern void mmc_release_host(struct mmc_host *host);
 extern int mmc_try_claim_host(struct mmc_host *host);
+extern void mmc_set_ios(struct mmc_host *host);
+extern int mmc_detect_card_removed(struct mmc_host *host);
+extern int mmc_flush_cache(struct mmc_card *);
 
 extern int mmc_flush_cache(struct mmc_card *);
 
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index a1f7a4f..05d4d96 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -60,6 +60,8 @@
 #define MMC_TIMING_UHS_DDR50	5
 #define MMC_TIMING_MMC_HS200	6
 
+	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
@@ -240,6 +242,14 @@
 #define MMC_CAP2_DETECT_ON_ERR	(1 << 8)	/* On I/O err check card removal */
 #define MMC_CAP2_HC_ERASE_SZ	(1 << 9)	/* High-capacity erase size */
 
+#define MMC_CAP2_PACKED_RD	(1 << 10)	/* Allow packed read */
+#define MMC_CAP2_PACKED_WR	(1 << 11)	/* Allow packed write */
+#define MMC_CAP2_PACKED_CMD	(MMC_CAP2_PACKED_RD | \
+				 MMC_CAP2_PACKED_WR) /* Allow packed commands */
+#define MMC_CAP2_PACKED_WR_CONTROL (1 << 12) /* Allow write packing control */
+#define MMC_CAP2_SANITIZE	(1 << 13)		/* Support Sanitize */
+#define MMC_CAP2_BKOPS		    (1 << 14)	/* BKOPS supported */
+#define MMC_CAP2_INIT_BKOPS	    (1 << 15)	/* Need to set BKOPS_EN */
 	mmc_pm_flag_t		pm_caps;	/* supported pm features */
 	unsigned int        power_notify_type;
 #define MMC_HOST_PW_NOTIFY_NONE		0
@@ -287,6 +297,7 @@
 
 	wait_queue_head_t	wq;
 	struct task_struct	*claimer;	/* task that has host claimed */
+	struct task_struct	*suspend_task;
 	int			claim_cnt;	/* "claim" nesting count */
 
 	struct delayed_work	detect;
@@ -303,6 +314,7 @@
 
 	unsigned int		sdio_irqs;
 	struct task_struct	*sdio_irq_thread;
+	bool			sdio_irq_pending;
 	atomic_t		sdio_irq_thread_abort;
 
 	mmc_pm_flag_t		pm_flags;	/* requested pm features */
@@ -334,6 +346,18 @@
 	} embedded_sdio_data;
 #endif
 
+#ifdef CONFIG_MMC_PERF_PROFILING
+	struct {
+
+		unsigned long rbytes_drv;  /* Rd bytes MMC Host  */
+		unsigned long wbytes_drv;  /* Wr bytes MMC Host  */
+		ktime_t rtime_drv;	   /* Rd time  MMC Host  */
+		ktime_t wtime_drv;	   /* Wr time  MMC Host  */
+		ktime_t start;
+	} perf;
+	bool perf_enable;
+#endif
+
 	unsigned long		private[0] ____cacheline_aligned;
 };
 
@@ -387,6 +411,7 @@
 static inline void mmc_signal_sdio_irq(struct mmc_host *host)
 {
 	host->ops->enable_sdio_irq(host, 0);
+	host->sdio_irq_pending = true;
 	wake_up_process(host->sdio_irq_thread);
 }
 
@@ -415,6 +440,9 @@
 int mmc_card_sleep(struct mmc_host *host);
 int mmc_card_can_sleep(struct mmc_host *host);
 
+int mmc_host_enable(struct mmc_host *host);
+int mmc_host_disable(struct mmc_host *host);
+int mmc_host_lazy_disable(struct mmc_host *host);
 int mmc_pm_notify(struct notifier_block *notify_block, unsigned long, void *);
 
 /* Module parameter */
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index b822a2c..a5b4fac 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -139,7 +139,9 @@
 #define R1_CURRENT_STATE(x)	((x & 0x00001E00) >> 9)	/* sx, b (4 bits) */
 #define R1_READY_FOR_DATA	(1 << 8)	/* sx, a */
 #define R1_SWITCH_ERROR		(1 << 7)	/* sx, c */
+#define R1_EXCEPTION_EVENT	(1 << 6)	/* sx, a */
 #define R1_APP_CMD		(1 << 5)	/* sr, c */
+#define R1_EXP_EVENT		(1 << 6)	/* sr, a */
 
 #define R1_STATE_IDLE	0
 #define R1_STATE_READY	1
@@ -222,6 +224,7 @@
  * OCR bits are mostly in host.h
  */
 #define MMC_CARD_BUSY	0x80000000	/* Card Power up status bit */
+#define MMC_CARD_SECTOR_ADDR 0x40000000 /* Card supports sectors */
 
 /*
  * Card Command Classes (CCC)
@@ -274,12 +277,18 @@
 #define EXT_CSD_FLUSH_CACHE		32      /* W */
 #define EXT_CSD_CACHE_CTRL		33      /* R/W */
 #define EXT_CSD_POWER_OFF_NOTIFICATION	34	/* R/W */
+#define EXT_CSD_PACKED_FAILURE_INDEX	35	/* RO */
+#define EXT_CSD_PACKED_CMD_STATUS	36	/* RO */
+#define EXT_CSD_EXP_EVENTS_STATUS	54	/* RO, 2 bytes */
+#define EXT_CSD_EXP_EVENTS_CTRL	56	/* R/W, 2 bytes */
 #define EXT_CSD_DATA_SECTOR_SIZE	61	/* R */
 #define EXT_CSD_GP_SIZE_MULT		143	/* R/W */
 #define EXT_CSD_PARTITION_ATTRIBUTE	156	/* R/W */
 #define EXT_CSD_PARTITION_SUPPORT	160	/* RO */
 #define EXT_CSD_HPI_MGMT		161	/* R/W */
 #define EXT_CSD_RST_N_FUNCTION		162	/* R/W */
+#define EXT_CSD_BKOPS_EN		163	/* R/W */
+#define EXT_CSD_BKOPS_START		164	/* W */
 #define EXT_CSD_SANITIZE_START		165     /* W */
 #define EXT_CSD_WR_REL_PARAM		166	/* RO */
 #define EXT_CSD_BOOT_WP			173	/* R/W */
@@ -313,11 +322,15 @@
 #define EXT_CSD_PWR_CL_200_360		237	/* RO */
 #define EXT_CSD_PWR_CL_DDR_52_195	238	/* RO */
 #define EXT_CSD_PWR_CL_DDR_52_360	239	/* RO */
+#define EXT_CSD_BKOPS_STATUS		246	/* RO */
 #define EXT_CSD_POWER_OFF_LONG_TIME	247	/* RO */
 #define EXT_CSD_GENERIC_CMD6_TIME	248	/* RO */
 #define EXT_CSD_CACHE_SIZE		249	/* RO, 4 bytes */
 #define EXT_CSD_TAG_UNIT_SIZE		498	/* RO */
 #define EXT_CSD_DATA_TAG_SUPPORT	499	/* RO */
+#define EXT_CSD_MAX_PACKED_WRITES	500	/* RO */
+#define EXT_CSD_MAX_PACKED_READS	501	/* RO */
+#define EXT_CSD_BKOPS_SUPPORT		502	/* RO */
 #define EXT_CSD_HPI_FEATURES		503	/* RO */
 
 /*
@@ -333,6 +346,7 @@
 
 #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_PART_CONFIG_ACC_GP0	(0x4)
 
 #define EXT_CSD_PART_SUPPORT_PART_EN	(0x1)
@@ -433,10 +447,26 @@
 #define EXT_CSD_POWER_OFF_SHORT		2
 #define EXT_CSD_POWER_OFF_LONG		3
 
+#define EXT_CSD_RST_N_EN_MASK	0x3
+#define EXT_CSD_RST_N_ENABLED	1	/* RST_n is enabled on card */
+
+#define EXT_CSD_NO_POWER_NOTIFICATION	0
+#define EXT_CSD_POWER_ON		1
+#define EXT_CSD_POWER_OFF_SHORT		2
+#define EXT_CSD_POWER_OFF_LONG		3
+
 #define EXT_CSD_PWR_CL_8BIT_MASK	0xF0	/* 8 bit PWR CLS */
 #define EXT_CSD_PWR_CL_4BIT_MASK	0x0F	/* 8 bit PWR CLS */
 #define EXT_CSD_PWR_CL_8BIT_SHIFT	4
 #define EXT_CSD_PWR_CL_4BIT_SHIFT	0
+
+#define EXT_CSD_PACKED_EVENT_EN	(1 << 3)
+
+#define EXT_CSD_PACKED_FAILURE	(1 << 3)
+
+#define EXT_CSD_PACKED_GENERIC_ERROR	(1 << 0)
+#define EXT_CSD_PACKED_INDEXED_ERROR	(1 << 1)
+
 /*
  * MMC_SWITCH access modes
  */
@@ -446,4 +476,16 @@
 #define MMC_SWITCH_MODE_CLEAR_BITS	0x02	/* Clear bits which are 1 in value */
 #define MMC_SWITCH_MODE_WRITE_BYTE	0x03	/* Set target to value */
 
+/*
+ * BKOPS status level
+ */
+#define EXT_CSD_BKOPS_LEVEL_2		0x2
+
+/*
+ * EXCEPTION_EVENT_STATUS field (eMMC4.5)
+ */
+#define EXT_CSD_URGENT_BKOPS		BIT(0)
+#define EXT_CSD_DYNCAP_NEEDED		BIT(1)
+#define EXT_CSD_SYSPOOL_EXHAUSTED	BIT(2)
+
 #endif /* LINUX_MMC_MMC_H */
diff --git a/include/linux/mmc/sdio.h b/include/linux/mmc/sdio.h
index c9fe66c..58e52d4 100644
--- a/include/linux/mmc/sdio.h
+++ b/include/linux/mmc/sdio.h
@@ -100,6 +100,7 @@
 
 #define  SDIO_BUS_WIDTH_1BIT	0x00
 #define  SDIO_BUS_WIDTH_4BIT	0x02
+#define  SDIO_BUS_WIDTH_8BIT  	0x03
 #define  SDIO_BUS_ECSI		0x20	/* Enable continuous SPI interrupt */
 #define  SDIO_BUS_SCSI		0x40	/* Support continuous SPI interrupt */
 
diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h
old mode 100755
new mode 100644