| /* 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 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); |
| 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 |
| |
| struct clk_lookup; |
| void msm_clock_init(struct clk_lookup *clock_tbl, size_t num_clocks); |
| |
| #endif |