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-rw-r--r--ANDROID_3.4.5/include/linux/clk.h281
1 files changed, 0 insertions, 281 deletions
diff --git a/ANDROID_3.4.5/include/linux/clk.h b/ANDROID_3.4.5/include/linux/clk.h
deleted file mode 100644
index b0252726..00000000
--- a/ANDROID_3.4.5/include/linux/clk.h
+++ /dev/null
@@ -1,281 +0,0 @@
-/*
- * linux/include/linux/clk.h
- *
- * Copyright (C) 2004 ARM Limited.
- * Written by Deep Blue Solutions Limited.
- * Copyright (C) 2011-2012 Linaro Ltd <mturquette@linaro.org>
- *
- * 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 __LINUX_CLK_H
-#define __LINUX_CLK_H
-
-#include <linux/kernel.h>
-#include <linux/notifier.h>
-
-struct device;
-
-struct clk;
-
-#ifdef CONFIG_COMMON_CLK
-
-/**
- * DOC: clk notifier callback types
- *
- * PRE_RATE_CHANGE - called immediately before the clk rate is changed,
- * to indicate that the rate change will proceed. Drivers must
- * immediately terminate any operations that will be affected by the
- * rate change. Callbacks may either return NOTIFY_DONE or
- * NOTIFY_STOP.
- *
- * ABORT_RATE_CHANGE: called if the rate change failed for some reason
- * after PRE_RATE_CHANGE. In this case, all registered notifiers on
- * the clk will be called with ABORT_RATE_CHANGE. Callbacks must
- * always return NOTIFY_DONE.
- *
- * POST_RATE_CHANGE - called after the clk rate change has successfully
- * completed. Callbacks must always return NOTIFY_DONE.
- *
- */
-#define PRE_RATE_CHANGE BIT(0)
-#define POST_RATE_CHANGE BIT(1)
-#define ABORT_RATE_CHANGE BIT(2)
-
-/**
- * struct clk_notifier - associate a clk with a notifier
- * @clk: struct clk * to associate the notifier with
- * @notifier_head: a blocking_notifier_head for this clk
- * @node: linked list pointers
- *
- * A list of struct clk_notifier is maintained by the notifier code.
- * An entry is created whenever code registers the first notifier on a
- * particular @clk. Future notifiers on that @clk are added to the
- * @notifier_head.
- */
-struct clk_notifier {
- struct clk *clk;
- struct srcu_notifier_head notifier_head;
- struct list_head node;
-};
-
-/**
- * struct clk_notifier_data - rate data to pass to the notifier callback
- * @clk: struct clk * being changed
- * @old_rate: previous rate of this clk
- * @new_rate: new rate of this clk
- *
- * For a pre-notifier, old_rate is the clk's rate before this rate
- * change, and new_rate is what the rate will be in the future. For a
- * post-notifier, old_rate and new_rate are both set to the clk's
- * current rate (this was done to optimize the implementation).
- */
-struct clk_notifier_data {
- struct clk *clk;
- unsigned long old_rate;
- unsigned long new_rate;
-};
-
-int clk_notifier_register(struct clk *clk, struct notifier_block *nb);
-
-int clk_notifier_unregister(struct clk *clk, struct notifier_block *nb);
-
-#endif /* !CONFIG_COMMON_CLK */
-
-/**
- * clk_get - lookup and obtain a reference to a clock producer.
- * @dev: device for clock "consumer"
- * @id: clock comsumer ID
- *
- * Returns a struct clk corresponding to the clock producer, or
- * valid IS_ERR() condition containing errno. The implementation
- * uses @dev and @id to determine the clock consumer, and thereby
- * the clock producer. (IOW, @id may be identical strings, but
- * clk_get may return different clock producers depending on @dev.)
- *
- * Drivers must assume that the clock source is not enabled.
- *
- * clk_get should not be called from within interrupt context.
- */
-struct clk *clk_get(struct device *dev, const char *id);
-
-/**
- * clk_prepare - prepare a clock source
- * @clk: clock source
- *
- * This prepares the clock source for use.
- *
- * Must not be called from within atomic context.
- */
-#ifdef CONFIG_HAVE_CLK_PREPARE
-int clk_prepare(struct clk *clk);
-#else
-static inline int clk_prepare(struct clk *clk)
-{
- might_sleep();
- return 0;
-}
-#endif
-
-/**
- * clk_enable - inform the system when the clock source should be running.
- * @clk: clock source
- *
- * If the clock can not be enabled/disabled, this should return success.
- *
- * May be called from atomic contexts.
- *
- * Returns success (0) or negative errno.
- */
-int clk_enable(struct clk *clk);
-
-/**
- * clk_disable - inform the system when the clock source is no longer required.
- * @clk: clock source
- *
- * Inform the system that a clock source is no longer required by
- * a driver and may be shut down.
- *
- * May be called from atomic contexts.
- *
- * Implementation detail: if the clock source is shared between
- * multiple drivers, clk_enable() calls must be balanced by the
- * same number of clk_disable() calls for the clock source to be
- * disabled.
- */
-void clk_disable(struct clk *clk);
-
-
-/**
- * clk_unprepare - undo preparation of a clock source
- * @clk: clock source
- *
- * This undoes a previously prepared clock. The caller must balance
- * the number of prepare and unprepare calls.
- *
- * Must not be called from within atomic context.
- */
-#ifdef CONFIG_HAVE_CLK_PREPARE
-void clk_unprepare(struct clk *clk);
-#else
-static inline void clk_unprepare(struct clk *clk)
-{
- might_sleep();
-}
-#endif
-
-/* clk_prepare_enable helps cases using clk_enable in non-atomic context. */
-static inline int clk_prepare_enable(struct clk *clk)
-{
- int ret;
-
- ret = clk_prepare(clk);
- if (ret)
- return ret;
- ret = clk_enable(clk);
- if (ret)
- clk_unprepare(clk);
-
- return ret;
-}
-
-/* clk_disable_unprepare helps cases using clk_disable in non-atomic context. */
-static inline void clk_disable_unprepare(struct clk *clk)
-{
- clk_disable(clk);
- clk_unprepare(clk);
-}
-
-/**
- * clk_get_rate - obtain the current clock rate (in Hz) for a clock source.
- * This is only valid once the clock source has been enabled.
- * @clk: clock source
- */
-unsigned long clk_get_rate(struct clk *clk);
-
-/**
- * clk_put - "free" the clock source
- * @clk: clock source
- *
- * Note: drivers must ensure that all clk_enable calls made on this
- * clock source are balanced by clk_disable calls prior to calling
- * this function.
- *
- * clk_put should not be called from within interrupt context.
- */
-void clk_put(struct clk *clk);
-
-
-/*
- * The remaining APIs are optional for machine class support.
- */
-
-
-/**
- * clk_round_rate - adjust a rate to the exact rate a clock can provide
- * @clk: clock source
- * @rate: desired clock rate in Hz
- *
- * Returns rounded clock rate in Hz, or negative errno.
- */
-long clk_round_rate(struct clk *clk, unsigned long rate);
-
-/**
- * clk_set_rate - set the clock rate for a clock source
- * @clk: clock source
- * @rate: desired clock rate in Hz
- *
- * Returns success (0) or negative errno.
- */
-int clk_set_rate(struct clk *clk, unsigned long rate);
-
-/**
- * clk_set_parent - set the parent clock source for this clock
- * @clk: clock source
- * @parent: parent clock source
- *
- * Returns success (0) or negative errno.
- */
-int clk_set_parent(struct clk *clk, struct clk *parent);
-
-/**
- * clk_get_parent - get the parent clock source for this clock
- * @clk: clock source
- *
- * Returns struct clk corresponding to parent clock source, or
- * valid IS_ERR() condition containing errno.
- */
-struct clk *clk_get_parent(struct clk *clk);
-
-/**
- * clk_get_sys - get a clock based upon the device name
- * @dev_id: device name
- * @con_id: connection ID
- *
- * Returns a struct clk corresponding to the clock producer, or
- * valid IS_ERR() condition containing errno. The implementation
- * uses @dev_id and @con_id to determine the clock consumer, and
- * thereby the clock producer. In contrast to clk_get() this function
- * takes the device name instead of the device itself for identification.
- *
- * Drivers must assume that the clock source is not enabled.
- *
- * clk_get_sys should not be called from within interrupt context.
- */
-struct clk *clk_get_sys(const char *dev_id, const char *con_id);
-
-/**
- * clk_add_alias - add a new clock alias
- * @alias: name for clock alias
- * @alias_dev_name: device name
- * @id: platform specific clock name
- * @dev: device
- *
- * Allows using generic clock names for drivers by adding a new alias.
- * Assumes clkdev, see clkdev.h for more info.
- */
-int clk_add_alias(const char *alias, const char *alias_dev_name, char *id,
- struct device *dev);
-
-#endif