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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/arm/mach-msm/clock.h
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/* arch/arm/mach-msm/clock.h

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 *

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 * Copyright (C) 2007 Google, Inc.

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 * Copyright (c) 2007-2010, Code Aurora Forum. All rights reserved.

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 *

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 * This software is licensed under the terms of the GNU General Public

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 * License version 2, as published by the Free Software Foundation, and

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 * may be copied, distributed, and modified under those terms.

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 *

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 * This program is distributed in the hope that it will be useful,

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 * but WITHOUT ANY WARRANTY; without even the implied warranty of

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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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 * GNU General Public License for more details.

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 *

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 */

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#ifndef __ARCH_ARM_MACH_MSM_CLOCK_H

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#define __ARCH_ARM_MACH_MSM_CLOCK_H

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#include <linux/init.h>

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#include <linux/list.h>

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#include <mach/clk.h>

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#define CLKFLAG_INVERT			0x00000001

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#define CLKFLAG_NOINVERT		0x00000002

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#define CLKFLAG_NONEST			0x00000004

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#define CLKFLAG_NORESET			0x00000008

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#define CLK_FIRST_AVAILABLE_FLAG	0x00000100

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#define CLKFLAG_AUTO_OFF		0x00000200

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#define CLKFLAG_MIN			0x00000400

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#define CLKFLAG_MAX			0x00000800

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struct clk_ops {

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	int (*enable)(unsigned id);

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	void (*disable)(unsigned id);

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	void (*auto_off)(unsigned id);

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	int (*reset)(unsigned id, enum clk_reset_action action);

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	int (*set_rate)(unsigned id, unsigned rate);

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	int (*set_min_rate)(unsigned id, unsigned rate);

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	int (*set_max_rate)(unsigned id, unsigned rate);

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	int (*set_flags)(unsigned id, unsigned flags);

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	unsigned (*get_rate)(unsigned id);

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	unsigned (*is_enabled)(unsigned id);

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	long (*round_rate)(unsigned id, unsigned rate);

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	bool (*is_local)(unsigned id);

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};

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struct clk {

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	uint32_t id;

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	uint32_t remote_id;

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	uint32_t count;

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	uint32_t flags;

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	struct clk_ops *ops;

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	const char *dbg_name;

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	struct list_head list;

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};

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#define OFF CLKFLAG_AUTO_OFF

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#define CLK_MIN CLKFLAG_MIN

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#define CLK_MAX CLKFLAG_MAX

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#define CLK_MINMAX (CLK_MIN | CLK_MAX)

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#ifdef CONFIG_DEBUG_FS

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int __init clock_debug_init(void);

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int __init clock_debug_add(struct clk *clock);

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#else

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static inline int __init clock_debug_init(void) { return 0; }

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static inline int __init clock_debug_add(struct clk *clock) { return 0; }

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#endif

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#endif

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