aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/plat-omap/include/mach/mmc.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/plat-omap/include/mach/mmc.h')
-rw-r--r--arch/arm/plat-omap/include/mach/mmc.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/include/mach/mmc.h b/arch/arm/plat-omap/include/mach/mmc.h
new file mode 100644
index 00000000000..fc15d13058f
--- /dev/null
+++ b/arch/arm/plat-omap/include/mach/mmc.h
@@ -0,0 +1,74 @@
+/*
+ * 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 <mach/board.h>
+
+#define OMAP_MMC_MAX_SLOTS 2
+
+struct omap_mmc_platform_data {
+ struct omap_mmc_conf conf;
+
+ /* number of slots on board */
+ 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);
+
+ struct omap_mmc_slot_data {
+ 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);
+
+ /* return MMC cover switch state, can be NULL if not supported.
+ *
+ * possible return values:
+ * 0 - open
+ * 1 - closed
+ */
+ 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)(int irq);
+
+ unsigned int ban_openended:1;
+
+ } slots[OMAP_MMC_MAX_SLOTS];
+};
+
+extern void omap_set_mmc_info(int host, const struct omap_mmc_platform_data *info);
+
+/* called from board-specific card detection service routine */
+extern void omap_mmc_notify_cover_event(struct device *dev, int slot, int is_closed);
+
+#endif