1 files changed, 144 insertions, 0 deletions
diff --git a/include/linux/mmc/sdhci.h b/include/linux/mmc/sdhci.h
new file mode 100644
index 000000000000..1fdc673f2396
--- /dev/null
+++ b/include/linux/mmc/sdhci.h
@@ -0,0 +1,144 @@
+/*
+ *  linux/include/linux/mmc/sdhci.h - Secure Digital Host Controller Interface
+ *
+ *  Copyright (C) 2005-2008 Pierre Ossman, 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 as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ */
+#ifndef __SDHCI_H
+#define __SDHCI_H
+#include <linux/scatterlist.h>
+#include <linux/compiler.h>
+#include <linux/types.h>
+#include <linux/io.h>
+#include <linux/mmc/host.h>
+struct sdhci_host {
+        /* Data set by hardware interface driver */
+        const char *hw_name;    /* Hardware bus name */
+        unsigned int quirks;    /* Deviations from spec. */
+/* Controller doesn't honor resets unless we touch the clock register */
+#define SDHCI_QUIRK_CLOCK_BEFORE_RESET                  (1<<0)
+/* Controller has bad caps bits, but really supports DMA */
+#define SDHCI_QUIRK_FORCE_DMA                           (1<<1)
+/* Controller doesn't like to be reset when there is no card inserted. */
+#define SDHCI_QUIRK_NO_CARD_NO_RESET                    (1<<2)
+/* Controller doesn't like clearing the power reg before a change */
+#define SDHCI_QUIRK_SINGLE_POWER_WRITE                  (1<<3)
+/* Controller has flaky internal state so reset it on each ios change */
+#define SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS               (1<<4)
+/* Controller has an unusable DMA engine */
+#define SDHCI_QUIRK_BROKEN_DMA                          (1<<5)
+/* Controller has an unusable ADMA engine */
+#define SDHCI_QUIRK_BROKEN_ADMA                         (1<<6)
+/* Controller can only DMA from 32-bit aligned addresses */
+#define SDHCI_QUIRK_32BIT_DMA_ADDR                      (1<<7)
+/* Controller can only DMA chunk sizes that are a multiple of 32 bits */
+#define SDHCI_QUIRK_32BIT_DMA_SIZE                      (1<<8)
+/* Controller can only ADMA chunks that are a multiple of 32 bits */
+#define SDHCI_QUIRK_32BIT_ADMA_SIZE                     (1<<9)
+/* Controller needs to be reset after each request to stay stable */
+#define SDHCI_QUIRK_RESET_AFTER_REQUEST                 (1<<10)
+/* Controller needs voltage and power writes to happen separately */
+#define SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER             (1<<11)
+/* Controller provides an incorrect timeout value for transfers */
+#define SDHCI_QUIRK_BROKEN_TIMEOUT_VAL                  (1<<12)
+/* Controller has an issue with buffer bits for small transfers */
+#define SDHCI_QUIRK_BROKEN_SMALL_PIO                    (1<<13)
+/* Controller does not provide transfer-complete interrupt when not busy */
+#define SDHCI_QUIRK_NO_BUSY_IRQ                         (1<<14)
+/* Controller has unreliable card detection */
+#define SDHCI_QUIRK_BROKEN_CARD_DETECTION               (1<<15)
+/* Controller reports inverted write-protect state */
+#define SDHCI_QUIRK_INVERTED_WRITE_PROTECT              (1<<16)
+/* Controller has nonstandard clock management */
+#define SDHCI_QUIRK_NONSTANDARD_CLOCK                   (1<<17)
+/* Controller does not like fast PIO transfers */
+#define SDHCI_QUIRK_PIO_NEEDS_DELAY                     (1<<18)
+/* Controller losing signal/interrupt enable states after reset */
+#define SDHCI_QUIRK_RESTORE_IRQS_AFTER_RESET            (1<<19)
+/* Controller has to be forced to use block size of 2048 bytes */
+#define SDHCI_QUIRK_FORCE_BLK_SZ_2048                   (1<<20)
+/* Controller cannot do multi-block transfers */
+#define SDHCI_QUIRK_NO_MULTIBLOCK                       (1<<21)
+/* Controller can only handle 1-bit data transfers */
+#define SDHCI_QUIRK_FORCE_1_BIT_DATA                    (1<<22)
+/* Controller needs 10ms delay between applying power and clock */
+#define SDHCI_QUIRK_DELAY_AFTER_POWER                   (1<<23)
+/* Controller uses SDCLK instead of TMCLK for data timeouts */
+#define SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK             (1<<24)
+/* Controller reports wrong base clock capability */
+#define SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN               (1<<25)
+/* Controller cannot support End Attribute in NOP ADMA descriptor */
+#define SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC               (1<<26)
+/* Controller is missing device caps. Use caps provided by host */
+#define SDHCI_QUIRK_MISSING_CAPS                        (1<<27)
+/* Controller uses Auto CMD12 command to stop the transfer */
+#define SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12              (1<<28)
+/* Controller doesn't have HISPD bit field in HI-SPEED SD card */
+#define SDHCI_QUIRK_NO_HISPD_BIT                        (1<<29)
+        int irq;                /* Device IRQ */
+        void __iomem *ioaddr;   /* Mapped address */
+        const struct sdhci_ops *ops;    /* Low level hw interface */
+        struct regulator *vmmc; /* Power regulator */
+        /* Internal data */
+        struct mmc_host *mmc;   /* MMC structure */
+        u64 dma_mask;           /* custom DMA mask */
+#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE)
+        struct led_classdev led;        /* LED control */
+        char led_name[32];
+#endif
+        spinlock_t lock;        /* Mutex */
+        int flags;              /* Host attributes */
+#define SDHCI_USE_SDMA          (1<<0)  /* Host is SDMA capable */
+#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 */
+        unsigned int version;   /* SDHCI spec. version */
+        unsigned int max_clk;   /* Max possible freq (MHz) */
+        unsigned int timeout_clk;       /* Timeout freq (KHz) */
+        unsigned int clock;     /* Current clock (MHz) */
+        u8 pwr;                 /* Current voltage */
+        struct mmc_request *mrq;        /* Current request */
+        struct mmc_command *cmd;        /* Current command */
+        struct mmc_data *data;  /* Current data request */
+        unsigned int data_early:1;      /* Data finished before cmd */
+        struct sg_mapping_iter sg_miter;        /* SG state for PIO */
+        unsigned int blocks;    /* remaining PIO blocks */
+        int sg_count;           /* Mapped sg entries */
+        u8 *adma_desc;          /* ADMA descriptor table */
+        u8 *align_buffer;       /* Bounce buffer */
+        dma_addr_t adma_addr;   /* Mapped ADMA descr. table */
+        dma_addr_t align_addr;  /* Mapped bounce buffer */
+        struct tasklet_struct card_tasklet;     /* Tasklet structures */
+        struct tasklet_struct finish_tasklet;
+        struct timer_list timer;        /* Timer for timeouts */
+        unsigned int caps;      /* Alternative capabilities */
+        unsigned long private[0] ____cacheline_aligned;
+};
+#endif /* __SDHCI_H */

diff --git a/include/linux/mmc/sdhci.h b/include/linux/mmc/sdhci.h new file mode 100644 index 000000000000..1fdc673f2396 --- /dev/null +++ b/include/linux/mmc/sdhci.h
@@ -0,0 +1,144 @@
	1	/*
	2	* linux/include/linux/mmc/sdhci.h - Secure Digital Host Controller Interface
	3	*
	4	* Copyright (C) 2005-2008 Pierre Ossman, All Rights Reserved.
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License as published by
	8	* the Free Software Foundation; either version 2 of the License, or (at
	9	* your option) any later version.
	10	*/
	11	#ifndef __SDHCI_H
	12	#define __SDHCI_H
	13
	14	#include <linux/scatterlist.h>
	15	#include <linux/compiler.h>
	16	#include <linux/types.h>
	17	#include <linux/io.h>
	18	#include <linux/mmc/host.h>
	19
	20	struct sdhci_host {
	21	/* Data set by hardware interface driver */
	22	const char hw_name; / Hardware bus name */
	23
	24	unsigned int quirks; /* Deviations from spec. */
	25
	26	/* Controller doesn't honor resets unless we touch the clock register */
	27	#define SDHCI_QUIRK_CLOCK_BEFORE_RESET (1<<0)
	28	/* Controller has bad caps bits, but really supports DMA */
	29	#define SDHCI_QUIRK_FORCE_DMA (1<<1)
	30	/* Controller doesn't like to be reset when there is no card inserted. */
	31	#define SDHCI_QUIRK_NO_CARD_NO_RESET (1<<2)
	32	/* Controller doesn't like clearing the power reg before a change */
	33	#define SDHCI_QUIRK_SINGLE_POWER_WRITE (1<<3)
	34	/* Controller has flaky internal state so reset it on each ios change */
	35	#define SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS (1<<4)
	36	/* Controller has an unusable DMA engine */
	37	#define SDHCI_QUIRK_BROKEN_DMA (1<<5)
	38	/* Controller has an unusable ADMA engine */
	39	#define SDHCI_QUIRK_BROKEN_ADMA (1<<6)
	40	/* Controller can only DMA from 32-bit aligned addresses */
	41	#define SDHCI_QUIRK_32BIT_DMA_ADDR (1<<7)
	42	/* Controller can only DMA chunk sizes that are a multiple of 32 bits */
	43	#define SDHCI_QUIRK_32BIT_DMA_SIZE (1<<8)
	44	/* Controller can only ADMA chunks that are a multiple of 32 bits */
	45	#define SDHCI_QUIRK_32BIT_ADMA_SIZE (1<<9)
	46	/* Controller needs to be reset after each request to stay stable */
	47	#define SDHCI_QUIRK_RESET_AFTER_REQUEST (1<<10)
	48	/* Controller needs voltage and power writes to happen separately */
	49	#define SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER (1<<11)
	50	/* Controller provides an incorrect timeout value for transfers */
	51	#define SDHCI_QUIRK_BROKEN_TIMEOUT_VAL (1<<12)
	52	/* Controller has an issue with buffer bits for small transfers */
	53	#define SDHCI_QUIRK_BROKEN_SMALL_PIO (1<<13)
	54	/* Controller does not provide transfer-complete interrupt when not busy */
	55	#define SDHCI_QUIRK_NO_BUSY_IRQ (1<<14)
	56	/* Controller has unreliable card detection */
	57	#define SDHCI_QUIRK_BROKEN_CARD_DETECTION (1<<15)
	58	/* Controller reports inverted write-protect state */
	59	#define SDHCI_QUIRK_INVERTED_WRITE_PROTECT (1<<16)
	60	/* Controller has nonstandard clock management */
	61	#define SDHCI_QUIRK_NONSTANDARD_CLOCK (1<<17)
	62	/* Controller does not like fast PIO transfers */
	63	#define SDHCI_QUIRK_PIO_NEEDS_DELAY (1<<18)
	64	/* Controller losing signal/interrupt enable states after reset */
	65	#define SDHCI_QUIRK_RESTORE_IRQS_AFTER_RESET (1<<19)
	66	/* Controller has to be forced to use block size of 2048 bytes */
	67	#define SDHCI_QUIRK_FORCE_BLK_SZ_2048 (1<<20)
	68	/* Controller cannot do multi-block transfers */
	69	#define SDHCI_QUIRK_NO_MULTIBLOCK (1<<21)
	70	/* Controller can only handle 1-bit data transfers */
	71	#define SDHCI_QUIRK_FORCE_1_BIT_DATA (1<<22)
	72	/* Controller needs 10ms delay between applying power and clock */
	73	#define SDHCI_QUIRK_DELAY_AFTER_POWER (1<<23)
	74	/* Controller uses SDCLK instead of TMCLK for data timeouts */
	75	#define SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK (1<<24)
	76	/* Controller reports wrong base clock capability */
	77	#define SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN (1<<25)
	78	/* Controller cannot support End Attribute in NOP ADMA descriptor */
	79	#define SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC (1<<26)
	80	/* Controller is missing device caps. Use caps provided by host */
	81	#define SDHCI_QUIRK_MISSING_CAPS (1<<27)
	82	/* Controller uses Auto CMD12 command to stop the transfer */
	83	#define SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12 (1<<28)
	84	/* Controller doesn't have HISPD bit field in HI-SPEED SD card */
	85	#define SDHCI_QUIRK_NO_HISPD_BIT (1<<29)
	86
	87	int irq; /* Device IRQ */
	88	void __iomem ioaddr; / Mapped address */
	89
	90	const struct sdhci_ops ops; / Low level hw interface */
	91
	92	struct regulator vmmc; / Power regulator */
	93
	94	/* Internal data */
	95	struct mmc_host mmc; / MMC structure */
	96	u64 dma_mask; /* custom DMA mask */
	97
	98	#if defined(CONFIG_LEDS_CLASS) \|\| defined(CONFIG_LEDS_CLASS_MODULE)
	99	struct led_classdev led; /* LED control */
	100	char led_name[32];
	101	#endif
	102
	103	spinlock_t lock; /* Mutex */
	104
	105	int flags; /* Host attributes */
	106	#define SDHCI_USE_SDMA (1<<0) /* Host is SDMA capable */
	107	#define SDHCI_USE_ADMA (1<<1) /* Host is ADMA capable */
	108	#define SDHCI_REQ_USE_DMA (1<<2) /* Use DMA for this req. */
	109	#define SDHCI_DEVICE_DEAD (1<<3) /* Device unresponsive */
	110
	111	unsigned int version; /* SDHCI spec. version */
	112
	113	unsigned int max_clk; /* Max possible freq (MHz) */
	114	unsigned int timeout_clk; /* Timeout freq (KHz) */
	115
	116	unsigned int clock; /* Current clock (MHz) */
	117	u8 pwr; /* Current voltage */
	118
	119	struct mmc_request mrq; / Current request */
	120	struct mmc_command cmd; / Current command */
	121	struct mmc_data data; / Current data request */
	122	unsigned int data_early:1; /* Data finished before cmd */
	123
	124	struct sg_mapping_iter sg_miter; /* SG state for PIO */
	125	unsigned int blocks; /* remaining PIO blocks */
	126
	127	int sg_count; /* Mapped sg entries */
	128
	129	u8 adma_desc; / ADMA descriptor table */
	130	u8 align_buffer; / Bounce buffer */
	131
	132	dma_addr_t adma_addr; /* Mapped ADMA descr. table */
	133	dma_addr_t align_addr; /* Mapped bounce buffer */
	134
	135	struct tasklet_struct card_tasklet; /* Tasklet structures */
	136	struct tasklet_struct finish_tasklet;
	137
	138	struct timer_list timer; /* Timer for timeouts */
	139
	140	unsigned int caps; /* Alternative capabilities */
	141
	142	unsigned long private[0] ____cacheline_aligned;
	143	};
	144	#endif /* __SDHCI_H */