diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/mmc/core/block.c | 2 | ||||
-rw-r--r-- | drivers/mmc/core/bus.c | 1 | ||||
-rw-r--r-- | drivers/mmc/core/bus.h | 14 | ||||
-rw-r--r-- | drivers/mmc/core/card.h | 223 | ||||
-rw-r--r-- | drivers/mmc/core/core.c | 1 | ||||
-rw-r--r-- | drivers/mmc/core/debugfs.c | 1 | ||||
-rw-r--r-- | drivers/mmc/core/mmc.c | 13 | ||||
-rw-r--r-- | drivers/mmc/core/mmc_test.c | 2 | ||||
-rw-r--r-- | drivers/mmc/core/queue.c | 1 | ||||
-rw-r--r-- | drivers/mmc/core/quirks.c | 2 | ||||
-rw-r--r-- | drivers/mmc/core/sd.c | 1 | ||||
-rw-r--r-- | drivers/mmc/core/sdio.c | 1 | ||||
-rw-r--r-- | drivers/mmc/core/sdio_bus.c | 1 | ||||
-rw-r--r-- | drivers/mmc/core/sdio_io.c | 1 | ||||
-rw-r--r-- | drivers/mmc/core/sdio_irq.c | 1 |
15 files changed, 263 insertions, 2 deletions
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index 41b5dbcd5b5a..a8300beae918 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -48,6 +48,8 @@ #include "queue.h" #include "block.h" #include "core.h" +#include "card.h" +#include "bus.h" #include "mmc_ops.h" #include "sd_ops.h" diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c index c64266f5a399..3be2e6a75cd9 100644 --- a/drivers/mmc/core/bus.c +++ b/drivers/mmc/core/bus.c @@ -23,6 +23,7 @@ #include <linux/mmc/host.h> #include "core.h" +#include "card.h" #include "sdio_cis.h" #include "bus.h" diff --git a/drivers/mmc/core/bus.h b/drivers/mmc/core/bus.h index 93b516ab6e88..72b0ef03f10a 100644 --- a/drivers/mmc/core/bus.h +++ b/drivers/mmc/core/bus.h @@ -11,9 +11,10 @@ #ifndef _MMC_CORE_BUS_H #define _MMC_CORE_BUS_H +#include <linux/device.h> + struct mmc_host; struct mmc_card; -struct device_type; #define MMC_DEV_ATTR(name, fmt, args...) \ static ssize_t mmc_##name##_show (struct device *dev, struct device_attribute *attr, char *buf) \ @@ -31,5 +32,14 @@ void mmc_remove_card(struct mmc_card *card); int mmc_register_bus(void); void mmc_unregister_bus(void); -#endif +struct mmc_driver { + struct device_driver drv; + int (*probe)(struct mmc_card *card); + void (*remove)(struct mmc_card *card); + void (*shutdown)(struct mmc_card *card); +}; +int mmc_register_driver(struct mmc_driver *drv); +void mmc_unregister_driver(struct mmc_driver *drv); + +#endif diff --git a/drivers/mmc/core/card.h b/drivers/mmc/core/card.h new file mode 100644 index 000000000000..95e8fc54eb21 --- /dev/null +++ b/drivers/mmc/core/card.h @@ -0,0 +1,223 @@ +/* + * 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; +} + +static inline void __maybe_unused remove_quirk(struct mmc_card *card, int data) +{ + card->quirks &= ~data; +} + +/* + * 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) +{ + return c->quirks & MMC_QUIRK_LENIENT_FN0; +} + +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; +} + +static inline int mmc_card_broken_byte_mode_512(const struct mmc_card *c) +{ + return c->quirks & MMC_QUIRK_BROKEN_BYTE_MODE_512; +} + +static inline int mmc_card_long_read_time(const struct mmc_card *c) +{ + return c->quirks & MMC_QUIRK_LONG_READ_TIME; +} + +static inline int mmc_card_broken_irq_polling(const struct mmc_card *c) +{ + return c->quirks & MMC_QUIRK_BROKEN_IRQ_POLLING; +} + +static inline int mmc_card_broken_hpi(const struct mmc_card *c) +{ + return c->quirks & MMC_QUIRK_BROKEN_HPI; +} + +void mmc_fixup_device(struct mmc_card *card, const struct mmc_fixup *table); + +#endif diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 3b34a751eea1..8c458255e55a 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -40,6 +40,7 @@ #include <trace/events/mmc.h> #include "core.h" +#include "card.h" #include "bus.h" #include "host.h" #include "sdio_bus.h" diff --git a/drivers/mmc/core/debugfs.c b/drivers/mmc/core/debugfs.c index 30623b8b86a4..2843e6aef7ef 100644 --- a/drivers/mmc/core/debugfs.c +++ b/drivers/mmc/core/debugfs.c @@ -20,6 +20,7 @@ #include <linux/mmc/host.h> #include "core.h" +#include "card.h" #include "mmc_ops.h" #ifdef CONFIG_FAIL_MMC_REQUEST diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index ec2e85c7ae12..b91abe01aacc 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -21,6 +21,7 @@ #include <linux/mmc/mmc.h> #include "core.h" +#include "card.h" #include "host.h" #include "bus.h" #include "mmc_ops.h" @@ -307,6 +308,18 @@ static void mmc_manage_enhanced_area(struct mmc_card *card, u8 *ext_csd) } } +static void mmc_part_add(struct mmc_card *card, unsigned int size, + unsigned int part_cfg, char *name, int idx, bool ro, + int area_type) +{ + card->part[card->nr_parts].size = size; + card->part[card->nr_parts].part_cfg = part_cfg; + sprintf(card->part[card->nr_parts].name, name, idx); + card->part[card->nr_parts].force_ro = ro; + card->part[card->nr_parts].area_type = area_type; + card->nr_parts++; +} + static void mmc_manage_gp_partitions(struct mmc_card *card, u8 *ext_csd) { int idx; diff --git a/drivers/mmc/core/mmc_test.c b/drivers/mmc/core/mmc_test.c index 8075ad133b7d..8dd211584040 100644 --- a/drivers/mmc/core/mmc_test.c +++ b/drivers/mmc/core/mmc_test.c @@ -23,6 +23,8 @@ #include <linux/module.h> #include "core.h" +#include "card.h" +#include "bus.h" #define RESULT_OK 0 #define RESULT_FAIL 1 diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c index 8f5bf5f82aa7..611f5c6d1950 100644 --- a/drivers/mmc/core/queue.c +++ b/drivers/mmc/core/queue.c @@ -21,6 +21,7 @@ #include "queue.h" #include "block.h" #include "core.h" +#include "card.h" #define MMC_QUEUE_BOUNCESZ 65536 diff --git a/drivers/mmc/core/quirks.c b/drivers/mmc/core/quirks.c index ca9cade317c7..bf25a9c88863 100644 --- a/drivers/mmc/core/quirks.c +++ b/drivers/mmc/core/quirks.c @@ -15,6 +15,8 @@ #include <linux/mmc/card.h> #include <linux/mmc/sdio_ids.h> +#include "card.h" + #ifndef SDIO_VENDOR_ID_TI #define SDIO_VENDOR_ID_TI 0x0097 #endif diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c index a614f37faf27..d66b08d6f509 100644 --- a/drivers/mmc/core/sd.c +++ b/drivers/mmc/core/sd.c @@ -22,6 +22,7 @@ #include <linux/mmc/sd.h> #include "core.h" +#include "card.h" #include "bus.h" #include "mmc_ops.h" #include "sd.h" diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c index 6810b3a8e130..5419c0dfad31 100644 --- a/drivers/mmc/core/sdio.c +++ b/drivers/mmc/core/sdio.c @@ -20,6 +20,7 @@ #include <linux/mmc/sdio_ids.h> #include "core.h" +#include "card.h" #include "bus.h" #include "sd.h" #include "sdio_bus.h" diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c index 86f5b3223aae..e992a7f8a16f 100644 --- a/drivers/mmc/core/sdio_bus.c +++ b/drivers/mmc/core/sdio_bus.c @@ -25,6 +25,7 @@ #include <linux/of.h> #include "core.h" +#include "card.h" #include "sdio_cis.h" #include "sdio_bus.h" diff --git a/drivers/mmc/core/sdio_io.c b/drivers/mmc/core/sdio_io.c index 76fe6d599b77..74195d772f5a 100644 --- a/drivers/mmc/core/sdio_io.c +++ b/drivers/mmc/core/sdio_io.c @@ -17,6 +17,7 @@ #include "sdio_ops.h" #include "core.h" +#include "card.h" /** * sdio_claim_host - exclusively claim a bus for a certain SDIO function diff --git a/drivers/mmc/core/sdio_irq.c b/drivers/mmc/core/sdio_irq.c index d0846350e2fe..d29faf2addfe 100644 --- a/drivers/mmc/core/sdio_irq.c +++ b/drivers/mmc/core/sdio_irq.c @@ -28,6 +28,7 @@ #include "sdio_ops.h" #include "core.h" +#include "card.h" static int process_sdio_pending_irqs(struct mmc_host *host) { |