#define LINUX_MMC_CARD_H
#include <linux/mmc/core.h>
+#include <linux/mod_devicetable.h>
struct mmc_cid {
unsigned int manfid;
};
struct mmc_csd {
+ unsigned char structure;
unsigned char mmca_vsn;
unsigned short cmdclass;
unsigned short tacc_clks;
unsigned int tacc_ns;
unsigned int r2w_factor;
unsigned int max_dtr;
+ unsigned int erase_size; /* In sectors */
unsigned int read_blkbits;
unsigned int write_blkbits;
unsigned int capacity;
struct mmc_ext_csd {
u8 rev;
+ u8 erase_group_def;
+ u8 sec_feature_support;
unsigned int sa_timeout; /* Units: 100ns */
unsigned int hs_max_dtr;
unsigned int sectors;
+ unsigned int hc_erase_size; /* In sectors */
+ unsigned int hc_erase_timeout; /* In milliseconds */
+ unsigned int sec_trim_mult; /* Secure trim multiplier */
+ unsigned int sec_erase_mult; /* Secure erase multiplier */
+ unsigned int trim_timeout; /* In milliseconds */
};
struct sd_scr {
#define SD_SCR_BUS_WIDTH_4 (1<<2)
};
+struct sd_ssr {
+ unsigned int au; /* In sectors */
+ unsigned int erase_timeout; /* In milliseconds */
+ unsigned int erase_offset; /* In milliseconds */
+};
+
struct sd_switch_caps {
unsigned int hs_max_dtr;
};
#define MMC_TYPE_MMC 0 /* MMC card */
#define MMC_TYPE_SD 1 /* SD card */
#define MMC_TYPE_SDIO 2 /* SDIO card */
+#define MMC_TYPE_SD_COMBO 3 /* SD combo (IO+mem) card */
unsigned int state; /* (our) card state */
#define MMC_STATE_PRESENT (1<<0) /* present in sysfs */
#define MMC_STATE_READONLY (1<<1) /* card is read-only */
#define MMC_STATE_BLOCKADDR (1<<3) /* card uses block-addressing */
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 */
+#define MMC_QUIRK_BLKSZ_FOR_BYTE_MODE (1<<1) /* use func->cur_blksize */
+ /* for byte mode */
+#define MMC_QUIRK_NONSTD_SDIO (1<<2) /* non-standard SDIO card attached */
+ /* (missing CIA registers) */
+#define MMC_QUIRK_INAND_CMD38 (1<<3) /* iNAND devices have broken CMD38 */
+
+ unsigned int erase_size; /* erase size in sectors */
+ unsigned int erase_shift; /* if erase unit is power 2 */
+ unsigned int pref_erase; /* in sectors */
+ u8 erased_byte; /* value of erased bytes */
u32 raw_cid[4]; /* raw card CID */
u32 raw_csd[4]; /* raw card CSD */
struct mmc_csd csd; /* card specific */
struct mmc_ext_csd ext_csd; /* mmc v4 extended card specific */
struct sd_scr scr; /* extra SD information */
+ struct sd_ssr ssr; /* yet more SD information */
struct sd_switch_caps sw_caps; /* switch (CMD6) caps */
unsigned int sdio_funcs; /* number of SDIO functions */
struct dentry *debugfs_root;
};
+/*
+ * The world is not perfect and supplies us with broken mmc/sdio devices.
+ * For at least a part 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 (-1ul)
+#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)
+
+/*
+ * This hook just adds a quirk unconditionnally
+ */
+static inline void __maybe_unused add_quirk(struct mmc_card *card, int data)
+{
+ card->quirks |= data;
+}
+
+/*
+ * This hook just removes a quirk unconditionnally
+ */
+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)
#define mmc_card_sdio(c) ((c)->type == MMC_TYPE_SDIO)
static inline int mmc_blksz_for_byte_mode(const struct mmc_card *c)
{
- return c->quirks & MMC_QUIRK_BLKSZ_FOR_BYTE_MODE;
+ return c->quirks & MMC_QUIRK_BLKSZ_FOR_BYTE_MODE;
}
#define mmc_card_name(c) ((c)->cid.prod_name)
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
projects / firefly-linux-kernel-4.4.55.git / blobdiff