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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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3.3 kB · 118 lines
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119/* SPDX-License-Identifier: GPL-2.0-only *//* * MMC definitions for OMAP2 * * Copyright (C) 2006 Nokia Corporation */
#define OMAP_MMC_MAX_SLOTS 2
struct mmc_card;
struct omap_mmc_platform_data { /* back-link to device */ struct device *dev;
/* number of slots per controller */ unsigned nr_slots:2;
/* set if your board has components or wiring that limits the * maximum frequency on the MMC bus */ unsigned int max_freq;
/* initialize board-specific MMC functionality, can be NULL if * not supported */ int (*init)(struct device *dev); void (*cleanup)(struct device *dev); void (*shutdown)(struct device *dev);
/* Return context loss count due to PM states changing */ int (*get_context_loss_count)(struct device *dev);
/* Integrating attributes from the omap_hwmod layer */ u8 controller_flags;
/* Register offset deviation */ u16 reg_offset;
struct omap_mmc_slot_data {
/* * 4/8 wires and any additional host capabilities * need to OR'd all capabilities (ref. linux/mmc/host.h) */ u8 wires; /* Used for the MMC driver on omap1 and 2420 */ u32 caps; /* Used for the MMC driver on 2430 and later */ u32 pm_caps; /* PM capabilities of the mmc */
/* * nomux means "standard" muxing is wrong on this board, and * that board-specific code handled it before common init logic. */ unsigned nomux:1;
/* switch pin can be for card detect (default) or card cover */ unsigned cover:1;
/* use the internal clock */ unsigned internal_clock:1;
/* nonremovable e.g. eMMC */ unsigned nonremovable:1;
/* Try to sleep or power off when possible */ unsigned power_saving:1;
/* If using power_saving and the MMC power is not to go off */ unsigned no_off:1;
/* eMMC does not handle power off when not in sleep state */ unsigned no_regulator_off_init:1;
/* Regulator off remapped to sleep */ unsigned vcc_aux_disable_is_sleep:1;
/* we can put the features above into this variable */#define MMC_OMAP7XX (1 << 3)#define MMC_OMAP15XX (1 << 4)#define MMC_OMAP16XX (1 << 5) unsigned features;
int switch_pin; /* gpio (card detect) */ int gpio_wp; /* gpio (write protect) */
int (*set_bus_mode)(struct device *dev, int slot, int bus_mode); int (*set_power)(struct device *dev, int slot, int power_on, int vdd); int (*get_ro)(struct device *dev, int slot); void (*remux)(struct device *dev, int slot, int power_on); /* Call back before enabling / disabling regulators */ void (*before_set_reg)(struct device *dev, int slot, int power_on, int vdd); /* Call back after enabling / disabling regulators */ void (*after_set_reg)(struct device *dev, int slot, int power_on, int vdd); /* if we have special card, init it using this callback */ void (*init_card)(struct mmc_card *card);
/* return MMC cover switch state, can be NULL if not supported. * * possible return values: * 0 - closed * 1 - open */ int (*get_cover_state)(struct device *dev, int slot);
const char *name; u32 ocr_mask;
/* Card detection */ int (*card_detect)(struct device *dev, int slot);
unsigned int ban_openended:1;
} slots[OMAP_MMC_MAX_SLOTS];};
extern void omap_mmc_notify_cover_event(struct device *dev, int slot, int is_closed);