| /* |
| * 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. |
| */ |
| |
| #ifndef __OMAP2_MMC_H |
| #define __OMAP2_MMC_H |
| |
| #include <linux/types.h> |
| #include <linux/device.h> |
| #include <linux/mmc/host.h> |
| |
| #include <plat/board.h> |
| |
| #define OMAP15XX_NR_MMC 1 |
| #define OMAP16XX_NR_MMC 2 |
| #define OMAP1_MMC_SIZE 0x080 |
| #define OMAP1_MMC1_BASE 0xfffb7800 |
| #define OMAP1_MMC2_BASE 0xfffb7c00 /* omap16xx only */ |
| |
| #define OMAP24XX_NR_MMC 2 |
| #define OMAP34XX_NR_MMC 3 |
| #define OMAP44XX_NR_MMC 5 |
| #define OMAP2420_MMC_SIZE OMAP1_MMC_SIZE |
| #define OMAP3_HSMMC_SIZE 0x200 |
| #define OMAP4_HSMMC_SIZE 0x1000 |
| #define OMAP2_MMC1_BASE 0x4809c000 |
| #define OMAP2_MMC2_BASE 0x480b4000 |
| #define OMAP3_MMC3_BASE 0x480ad000 |
| #define OMAP4_MMC4_BASE 0x480d1000 |
| #define OMAP4_MMC5_BASE 0x480d5000 |
| #define OMAP4_MMC_REG_OFFSET 0x100 |
| #define HSMMC5 (1 << 4) |
| #define HSMMC4 (1 << 3) |
| #define HSMMC3 (1 << 2) |
| #define HSMMC2 (1 << 1) |
| #define HSMMC1 (1 << 0) |
| |
| #define OMAP_MMC_MAX_SLOTS 2 |
| |
| 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); |
| |
| u64 dma_mask; |
| |
| /* 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 */ |
| |
| /* |
| * 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; |
| |
| /* 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) |
| 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); |
| int (*set_sleep)(struct device *dev, int slot, int sleep, |
| int vdd, int cardsleep); |
| 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]; |
| }; |
| |
| /* called from board-specific card detection service routine */ |
| extern void omap_mmc_notify_cover_event(struct device *dev, int slot, |
| int is_closed); |
| |
| #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \ |
| defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE) |
| void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data, |
| int nr_controllers); |
| void omap242x_init_mmc(struct omap_mmc_platform_data **mmc_data); |
| void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data, |
| int nr_controllers); |
| int omap_mmc_add(const char *name, int id, unsigned long base, |
| unsigned long size, unsigned int irq, |
| struct omap_mmc_platform_data *data); |
| #else |
| static inline void omap1_init_mmc(struct omap_mmc_platform_data **mmc_data, |
| int nr_controllers) |
| { |
| } |
| static inline void omap242x_init_mmc(struct omap_mmc_platform_data **mmc_data) |
| { |
| } |
| static inline void omap2_init_mmc(struct omap_mmc_platform_data **mmc_data, |
| int nr_controllers) |
| { |
| } |
| static inline int omap_mmc_add(const char *name, int id, unsigned long base, |
| unsigned long size, unsigned int irq, |
| struct omap_mmc_platform_data *data) |
| { |
| return 0; |
| } |
| |
| #endif |
| #endif |