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mmc-omap.h
/* 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);
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