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Ole André Vadla Ravnås 2022-05-07 01:01:45 +02:00
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arch/arm/mach-msm/clock.h Normal file
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/* arch/arm/mach-msm/clock.h
*
* Copyright (C) 2007 Google, Inc.
* Copyright (c) 2007-2010, Code Aurora Forum. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef __ARCH_ARM_MACH_MSM_CLOCK_H
#define __ARCH_ARM_MACH_MSM_CLOCK_H
#include <linux/init.h>
#include <linux/list.h>
#include <mach/clk.h>
#define CLKFLAG_INVERT 0x00000001
#define CLKFLAG_NOINVERT 0x00000002
#define CLKFLAG_NONEST 0x00000004
#define CLKFLAG_NORESET 0x00000008
#define CLK_FIRST_AVAILABLE_FLAG 0x00000100
#define CLKFLAG_AUTO_OFF 0x00000200
#define CLKFLAG_MIN 0x00000400
#define CLKFLAG_MAX 0x00000800
struct clk_ops {
int (*enable)(unsigned id);
void (*disable)(unsigned id);
void (*auto_off)(unsigned id);
int (*reset)(unsigned id, enum clk_reset_action action);
int (*set_rate)(unsigned id, unsigned rate);
int (*set_min_rate)(unsigned id, unsigned rate);
int (*set_max_rate)(unsigned id, unsigned rate);
int (*set_flags)(unsigned id, unsigned flags);
unsigned (*get_rate)(unsigned id);
unsigned (*is_enabled)(unsigned id);
long (*round_rate)(unsigned id, unsigned rate);
bool (*is_local)(unsigned id);
};
struct clk {
uint32_t id;
uint32_t remote_id;
uint32_t count;
uint32_t flags;
struct clk_ops *ops;
const char *dbg_name;
struct list_head list;
};
#define OFF CLKFLAG_AUTO_OFF
#define CLK_MIN CLKFLAG_MIN
#define CLK_MAX CLKFLAG_MAX
#define CLK_MINMAX (CLK_MIN | CLK_MAX)
#ifdef CONFIG_DEBUG_FS
int __init clock_debug_init(void);
int __init clock_debug_add(struct clk *clock);
#else
static inline int __init clock_debug_init(void) { return 0; }
static inline int __init clock_debug_add(struct clk *clock) { return 0; }
#endif
#endif