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