1 files changed, 182 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/plat/mmc.h b/arch/arm/plat-omap/include/plat/mmc.h
new file mode 100644
index 00000000..c7b87418
--- /dev/null
+++ b/arch/arm/plat-omap/include/plat/mmc.h
@@ -0,0 +1,182 @@
+/*
+ * 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 OMAP2420_MMC_SIZE	OMAP1_MMC_SIZE
+#define OMAP2_MMC1_BASE		0x4809c000
+
+#define OMAP4_MMC_REG_OFFSET	0x100
+
+#define OMAP_MMC_MAX_SLOTS	2
+
+#define OMAP_HSMMC_SUPPORTS_DUAL_VOLT	BIT(1)
+
+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);
+
+	u64 dma_mask;
+
+	/* 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 */
+
+		/*
+		 * 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)
+		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);
+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 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