| /* | |
| * MMC definitions for OMAP2 | |
| * | |
| * Copyright (C) 2006 Nokia Corporation | |
| * | |
| * This program is free software; you can redistribute it and/or modify | |
| * it under the terms of the GNU General Public License version 2 as | |
| * published by the Free Software Foundation. | |
| */ | |
| #define OMAP_MMC_MAX_SLOTS 2 | |
| /* | |
| * struct omap_mmc_dev_attr.flags possibilities | |
| * | |
| * OMAP_HSMMC_SUPPORTS_DUAL_VOLT: Some HSMMC controller instances can | |
| * operate with either 1.8Vdc or 3.0Vdc card voltages; this flag | |
| * should be set if this is the case. See for example Section 22.5.3 | |
| * "MMC/SD/SDIO1 Bus Voltage Selection" of the OMAP34xx Multimedia | |
| * Device Silicon Revision 3.1.x Revision ZR (July 2011) (SWPU223R). | |
| * | |
| * OMAP_HSMMC_BROKEN_MULTIBLOCK_READ: Multiple-block read transfers | |
| * don't work correctly on some MMC controller instances on some | |
| * OMAP3 SoCs; this flag should be set if this is the case. See | |
| * for example Advisory 2.1.1.128 "MMC: Multiple Block Read | |
| * Operation Issue" in _OMAP3530/3525/3515/3503 Silicon Errata_ | |
| * Revision F (October 2010) (SPRZ278F). | |
| */ | |
| #define OMAP_HSMMC_SUPPORTS_DUAL_VOLT BIT(0) | |
| #define OMAP_HSMMC_BROKEN_MULTIBLOCK_READ BIT(1) | |
| struct mmc_card; | |
| struct omap_mmc_dev_attr { | |
| u8 flags; | |
| }; | |
| 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; | |
| /* switch the bus to a new slot */ | |
| int (*switch_slot)(struct device *dev, int slot); | |
| /* 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); | |
| /* To handle board related suspend/resume functionality for MMC */ | |
| int (*suspend)(struct device *dev, int slot); | |
| int (*resume)(struct device *dev, int slot); | |
| /* 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 HSMMC_HAS_PBIAS (1 << 0) | |
| #define HSMMC_HAS_UPDATED_RESET (1 << 1) | |
| #define HSMMC_HAS_HSPE_SUPPORT (1 << 2) | |
| #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 IRQs */ | |
| int card_detect_irq; | |
| int (*card_detect)(struct device *dev, int slot); | |
| unsigned int ban_openended:1; | |
| } slots[OMAP_MMC_MAX_SLOTS]; | |
| }; |