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Release 4.11 drivers/mmc/core/card.h

Directory: drivers/mmc/core
/*
 * Private header for the mmc subsystem
 *
 * Copyright (C) 2016 Linaro Ltd
 *
 * Author: Ulf Hansson <ulf.hansson@linaro.org>
 *
 * License terms: GNU General Public License (GPL) version 2
 */

#ifndef _MMC_CORE_CARD_H

#define _MMC_CORE_CARD_H

#include <linux/mmc/card.h>


#define mmc_card_name(c)	((c)->cid.prod_name)

#define mmc_card_id(c)		(dev_name(&(c)->dev))

#define mmc_dev_to_card(d)	container_of(d, struct mmc_card, dev)

/* Card states */

#define MMC_STATE_PRESENT	(1<<0)		
/* present in sysfs */

#define MMC_STATE_READONLY	(1<<1)		
/* card is read-only */

#define MMC_STATE_BLOCKADDR	(1<<2)		
/* card uses block-addressing */

#define MMC_CARD_SDXC		(1<<3)		
/* card is SDXC */

#define MMC_CARD_REMOVED	(1<<4)		
/* card has been removed */

#define MMC_STATE_DOING_BKOPS	(1<<5)		
/* card is doing BKOPS */

#define MMC_STATE_SUSPENDED	(1<<6)		
/* card is suspended */


#define mmc_card_present(c)	((c)->state & MMC_STATE_PRESENT)

#define mmc_card_readonly(c)	((c)->state & MMC_STATE_READONLY)

#define mmc_card_blockaddr(c)	((c)->state & MMC_STATE_BLOCKADDR)

#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_doing_bkops(c)	((c)->state & MMC_STATE_DOING_BKOPS)

#define mmc_card_suspended(c)	((c)->state & MMC_STATE_SUSPENDED)


#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_blockaddr(c) ((c)->state |= MMC_STATE_BLOCKADDR)

#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_doing_bkops(c)	((c)->state |= MMC_STATE_DOING_BKOPS)

#define mmc_card_clr_doing_bkops(c)	((c)->state &= ~MMC_STATE_DOING_BKOPS)

#define mmc_card_set_suspended(c) ((c)->state |= MMC_STATE_SUSPENDED)

#define mmc_card_clr_suspended(c) ((c)->state &= ~MMC_STATE_SUSPENDED)

/*
 * 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-specific fields. You can use SDIO_ANY_ID here of course */
	

u16 cis_vendor, cis_device;

	/* for MMC cards */
	
unsigned int ext_csd_rev;

	
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 EXT_CSD_REV_ANY (-1u)


#define CID_MANFID_SANDISK      0x2

#define CID_MANFID_TOSHIBA      0x11

#define CID_MANFID_MICRON       0x13

#define CID_MANFID_SAMSUNG      0x15

#define CID_MANFID_KINGSTON     0x70

#define CID_MANFID_HYNIX	0x90


#define END_FIXUP { NULL }


#define _FIXUP_EXT(_name, _manfid, _oemid, _rev_start, _rev_end,       \
		   _cis_vendor, _cis_device,                               \
		   _fixup, _data, _ext_csd_rev)				\
	{                                               \
                .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),                        \
                .ext_csd_rev = (_ext_csd_rev),          \
        }


#define MMC_FIXUP_REV(_name, _manfid, _oemid, _rev_start, _rev_end,       \
		      _fixup, _data, _ext_csd_rev)			\
	_FIXUP_EXT(_name, _manfid,                                      \
                   _oemid, _rev_start, _rev_end,                        \
                   SDIO_ANY_ID, SDIO_ANY_ID,                            \
                   _fixup, _data, _ext_csd_rev)                         \

#define MMC_FIXUP(_name, _manfid, _oemid, _fixup, _data) \
        MMC_FIXUP_REV(_name, _manfid, _oemid, 0, -1ull, _fixup, _data,  \
                      EXT_CSD_REV_ANY)


#define MMC_FIXUP_EXT_CSD_REV(_name, _manfid, _oemid, _fixup, _data,       \
			      _ext_csd_rev)				\
	MMC_FIXUP_REV(_name, _manfid, _oemid, 0, -1ull, _fixup, _data,  \
                      _ext_csd_rev)


#define SDIO_FIXUP(_vendor, _device, _fixup, _data)			\
	_FIXUP_EXT(CID_NAME_ANY, CID_MANFID_ANY,                        \
                    CID_OEMID_ANY, 0, -1ull,                            \
                   _vendor, _device,                                    \
                   _fixup, _data, EXT_CSD_REV_ANY)                      \

#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; }

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static inline void __maybe_unused remove_quirk(struct mmc_card *card, int data) { card->quirks &= ~data; }

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/* * 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; }

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static inline void __maybe_unused remove_quirk_mmc(struct mmc_card *card, int data) { if (mmc_card_mmc(card)) card->quirks &= ~data; }

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/* * 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; }

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static inline void __maybe_unused remove_quirk_sd(struct mmc_card *card, int data) { if (mmc_card_sd(card)) card->quirks &= ~data; }

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static inline int mmc_card_lenient_fn0(const struct mmc_card *c) { return c->quirks & MMC_QUIRK_LENIENT_FN0; }

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static inline int mmc_blksz_for_byte_mode(const struct mmc_card *c) { return c->quirks & MMC_QUIRK_BLKSZ_FOR_BYTE_MODE; }

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static inline int mmc_card_disable_cd(const struct mmc_card *c) { return c->quirks & MMC_QUIRK_DISABLE_CD; }

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static inline int mmc_card_nonstd_func_interface(const struct mmc_card *c) { return c->quirks & MMC_QUIRK_NONSTD_FUNC_IF; }

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static inline int mmc_card_broken_byte_mode_512(const struct mmc_card *c) { return c->quirks & MMC_QUIRK_BROKEN_BYTE_MODE_512; }

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static inline int mmc_card_long_read_time(const struct mmc_card *c) { return c->quirks & MMC_QUIRK_LONG_READ_TIME; }

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static inline int mmc_card_broken_irq_polling(const struct mmc_card *c) { return c->quirks & MMC_QUIRK_BROKEN_IRQ_POLLING; }

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static inline int mmc_card_broken_hpi(const struct mmc_card *c) { return c->quirks & MMC_QUIRK_BROKEN_HPI; }

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#endif

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Directory: drivers/mmc/core
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