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+/*
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+ * OMAP2/3 clockdomain framework functions
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+ *
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+ * Copyright (C) 2008, 2012 Texas Instruments, Inc.
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+ * Copyright (C) 2008-2011 Nokia Corporation
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+ *
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+ * Paul Walmsley
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License version 2 as
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+ * published by the Free Software Foundation.
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+ */
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+
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+#ifndef __ARCH_ARM_MACH_OMAP2_CLOCKDOMAIN_H
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+#define __ARCH_ARM_MACH_OMAP2_CLOCKDOMAIN_H
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+
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+#include <linux/init.h>
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+#include <linux/spinlock.h>
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+
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+#include "powerdomain.h"
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+#include "clock.h"
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+#include "omap_hwmod.h"
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+
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+/*
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+ * Clockdomain flags
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+ *
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+ * XXX Document CLKDM_CAN_* flags
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+ *
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+ * CLKDM_NO_AUTODEPS: Prevent "autodeps" from being added/removed from this
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+ * clockdomain. (Currently, this applies to OMAP3 clockdomains only.)
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+ * CLKDM_ACTIVE_WITH_MPU: The PRCM guarantees that this clockdomain is
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+ * active whenever the MPU is active. True for interconnects and
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+ * the WKUP clockdomains.
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+ * CLKDM_MISSING_IDLE_REPORTING: The idle status of the IP blocks and
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+ * clocks inside this clockdomain are not taken into account by
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+ * the PRCM when determining whether the clockdomain is idle.
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+ * Without this flag, if the clockdomain is set to
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+ * hardware-supervised idle mode, the PRCM may transition the
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+ * enclosing powerdomain to a low power state, even when devices
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+ * inside the clockdomain and powerdomain are in use. (An example
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+ * of such a clockdomain is the EMU clockdomain on OMAP3/4.) If
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+ * this flag is set, and the clockdomain does not support the
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+ * force-sleep mode, then the HW_AUTO mode will be used to put the
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+ * clockdomain to sleep. Similarly, if the clockdomain supports
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+ * the force-wakeup mode, then it will be used whenever a clock or
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+ * IP block inside the clockdomain is active, rather than the
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+ * HW_AUTO mode.
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+ */
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+#define CLKDM_CAN_FORCE_SLEEP (1 << 0)
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+#define CLKDM_CAN_FORCE_WAKEUP (1 << 1)
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+#define CLKDM_CAN_ENABLE_AUTO (1 << 2)
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+#define CLKDM_CAN_DISABLE_AUTO (1 << 3)
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+#define CLKDM_NO_AUTODEPS (1 << 4)
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+#define CLKDM_ACTIVE_WITH_MPU (1 << 5)
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+#define CLKDM_MISSING_IDLE_REPORTING (1 << 6)
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+
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+#define CLKDM_CAN_HWSUP (CLKDM_CAN_ENABLE_AUTO | CLKDM_CAN_DISABLE_AUTO)
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+#define CLKDM_CAN_SWSUP (CLKDM_CAN_FORCE_SLEEP | CLKDM_CAN_FORCE_WAKEUP)
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+#define CLKDM_CAN_HWSUP_SWSUP (CLKDM_CAN_SWSUP | CLKDM_CAN_HWSUP)
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+
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+/**
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+ * struct clkdm_autodep - clkdm deps to add when entering/exiting hwsup mode
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+ * @clkdm: clockdomain to add wkdep+sleepdep on - set name member only
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+ *
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+ * A clockdomain that should have wkdeps and sleepdeps added when a
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+ * clockdomain should stay active in hwsup mode; and conversely,
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+ * removed when the clockdomain should be allowed to go inactive in
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+ * hwsup mode.
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+ *
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+ * Autodeps are deprecated and should be removed after
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+ * omap_hwmod-based fine-grained module idle control is added.
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+ */
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+struct clkdm_autodep {
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+ union {
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+ const char *name;
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+ struct clockdomain *ptr;
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+ } clkdm;
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+};
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+
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+/**
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+ * struct clkdm_dep - encode dependencies between clockdomains
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+ * @clkdm_name: clockdomain name
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+ * @clkdm: pointer to the struct clockdomain of @clkdm_name
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+ * @wkdep_usecount: Number of wakeup dependencies causing this clkdm to wake
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+ * @sleepdep_usecount: Number of sleep deps that could prevent clkdm from idle
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+ *
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+ * Statically defined. @clkdm is resolved from @clkdm_name at runtime and
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+ * should not be pre-initialized.
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