/*
 * V4L2 clock service
 *
 * Copyright (C) 2012-2013, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
 *
 * 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.
 *
 * ATTENTION: This is a temporary API and it shall be replaced by the generic
 * clock API, when the latter becomes widely available.
 */

#ifndef MEDIA_V4L2_CLK_H
#define MEDIA_V4L2_CLK_H

#include <linux/atomic.h>
#include <linux/export.h>
#include <linux/list.h>
#include <linux/mutex.h>

struct module;
struct device;

struct clk;
struct v4l2_clk {
	struct list_head list;
	const struct v4l2_clk_ops *ops;
	const char *dev_id;
	int enable;
	struct mutex lock; /* Protect the enable count */
	atomic_t use_count;
	struct clk *clk;
	void *priv;
};

struct v4l2_clk_ops {
	struct module	*owner;
	int		(*enable)(struct v4l2_clk *clk);
	void		(*disable)(struct v4l2_clk *clk);
	unsigned long	(*get_rate)(struct v4l2_clk *clk);
	int		(*set_rate)(struct v4l2_clk *clk, unsigned long);
};

struct v4l2_clk *v4l2_clk_register(const struct v4l2_clk_ops *ops,
				   const char *dev_name,
				   void *priv);
void v4l2_clk_unregister(struct v4l2_clk *clk);
struct v4l2_clk *v4l2_clk_get(struct device *dev, const char *id);
void v4l2_clk_put(struct v4l2_clk *clk);
int v4l2_clk_enable(struct v4l2_clk *clk);
void v4l2_clk_disable(struct v4l2_clk *clk);
unsigned long v4l2_clk_get_rate(struct v4l2_clk *clk);
int v4l2_clk_set_rate(struct v4l2_clk *clk, unsigned long rate);

struct module;

struct v4l2_clk *__v4l2_clk_register_fixed(const char *dev_id,
			unsigned long rate, struct module *owner);
void v4l2_clk_unregister_fixed(struct v4l2_clk *clk);

static inline struct v4l2_clk *v4l2_clk_register_fixed(const char *dev_id,
							unsigned long rate)
{
	return __v4l2_clk_register_fixed(dev_id, rate, THIS_MODULE);
}

#define V4L2_CLK_NAME_SIZE 64

#define v4l2_clk_name_i2c(name, size, adap, client) snprintf(name, size, \
			  "%d-%04x", adap, client)

#define v4l2_clk_name_of(name, size, of_full_name) snprintf(name, size, \
			  "of-%s", of_full_name)

#endif
nfig?h=nds-private-remove&amp;id=22b331c9e0a345126708af60f7d00d38b53db70b'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/net/nfc/hci/Kconfig'>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&amp;id=22b331c9e0a345126708af60f7d00d38b53db70b'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/net?h=nds-private-remove&amp;id=22b331c9e0a345126708af60f7d00d38b53db70b'>net</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/nfc?h=nds-private-remove&amp;id=22b331c9e0a345126708af60f7d00d38b53db70b'>nfc</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/nfc/hci?h=nds-private-remove&amp;id=22b331c9e0a345126708af60f7d00d38b53db70b'>hci</a>/<a href='/cgit.cgi/linux/net-next.git/log/net/nfc/hci/Kconfig?h=nds-private-remove&amp;id=22b331c9e0a345126708af60f7d00d38b53db70b'>Kconfig</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/net/nfc/hci/Kconfig?h=nds-private-remove&amp;id=22b331c9e0a345126708af60f7d00d38b53db70b&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
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<tr><th>author</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-02-03 13:46:38 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-02-03 13:46:38 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/host/xhci-ring.c?id=3f67790d2b7e322bcf363ec717085dd78c3ea7cd'>3f67790d2b7e322bcf363ec717085dd78c3ea7cd</a> (<a href='/cgit.cgi/linux/net-next.git/patch/drivers/usb/host/xhci-ring.c?id=3f67790d2b7e322bcf363ec717085dd78c3ea7cd'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=3f67790d2b7e322bcf363ec717085dd78c3ea7cd'>7be20232078a2e801ed93bcdb72f0d955dd9836f</a> /<a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/host/xhci-ring.c?id=3f67790d2b7e322bcf363ec717085dd78c3ea7cd'>drivers/usb/host/xhci-ring.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/host/xhci-ring.c?id=cd44691f7177b2c1e1509d1a17d9b198ebaa34eb'>cd44691f7177b2c1e1509d1a17d9b198ebaa34eb</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/host/xhci-ring.c?id=3f67790d2b7e322bcf363ec717085dd78c3ea7cd&amp;id2=cd44691f7177b2c1e1509d1a17d9b198ebaa34eb'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/host/xhci-ring.c?id=206c4720092d2a24bfefc041b377e889a220ffbf'>206c4720092d2a24bfefc041b377e889a220ffbf</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/host/xhci-ring.c?id=3f67790d2b7e322bcf363ec717085dd78c3ea7cd&amp;id2=206c4720092d2a24bfefc041b377e889a220ffbf'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge tag 'regulator-fix-v4.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator</div><div class='commit-msg'>Pull regulator fixes from Mark Brown:
 "Three changes here: two run of the mill driver specific fixes and a
  change from Mark Rutland which reverts some new device specific ACPI
  binding code which was added during the merge window as there are
  concerns about this sending the wrong signal about usage of regulators
  in ACPI systems"

* tag 'regulator-fix-v4.10-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
  regulator: fixed: Revert support for ACPI interface
  regulator: axp20x: AXP806: Fix dcdcb being set instead of dcdce
  regulator: twl6030: fix range comparison, allowing vsel = 59
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=3f67790d2b7e322bcf363ec717085dd78c3ea7cd'>Diffstat</a> (limited to 'drivers/usb/host/xhci-ring.c')</div><table summary='diffstat' class='diffstat'>