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Diffstat (limited to 'arch/arm/mach-msm/clock.h')
-rw-r--r-- | arch/arm/mach-msm/clock.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/arch/arm/mach-msm/clock.h b/arch/arm/mach-msm/clock.h new file mode 100644 index 00000000..2c007f60 --- /dev/null +++ b/arch/arm/mach-msm/clock.h @@ -0,0 +1,72 @@ +/* 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 |