diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-omap2/clockdomain.h')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-omap2/clockdomain.h | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-omap2/clockdomain.h b/ANDROID_3.4.5/arch/arm/mach-omap2/clockdomain.h deleted file mode 100644 index f7b58609..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-omap2/clockdomain.h +++ /dev/null @@ -1,212 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/clockdomain.h - * - * OMAP2/3 clockdomain framework functions - * - * Copyright (C) 2008 Texas Instruments, Inc. - * Copyright (C) 2008-2011 Nokia Corporation - * - * Paul Walmsley - * - * 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. - */ - -#ifndef __ARCH_ARM_MACH_OMAP2_CLOCKDOMAIN_H -#define __ARCH_ARM_MACH_OMAP2_CLOCKDOMAIN_H - -#include <linux/init.h> -#include <linux/spinlock.h> - -#include "powerdomain.h" -#include <plat/clock.h> -#include <plat/omap_hwmod.h> -#include <plat/cpu.h> - -/* - * Clockdomain flags - * - * XXX Document CLKDM_CAN_* flags - * - * CLKDM_NO_AUTODEPS: Prevent "autodeps" from being added/removed from this - * clockdomain. (Currently, this applies to OMAP3 clockdomains only.) - */ -#define CLKDM_CAN_FORCE_SLEEP (1 << 0) -#define CLKDM_CAN_FORCE_WAKEUP (1 << 1) -#define CLKDM_CAN_ENABLE_AUTO (1 << 2) -#define CLKDM_CAN_DISABLE_AUTO (1 << 3) -#define CLKDM_NO_AUTODEPS (1 << 4) - -#define CLKDM_CAN_HWSUP (CLKDM_CAN_ENABLE_AUTO | CLKDM_CAN_DISABLE_AUTO) -#define CLKDM_CAN_SWSUP (CLKDM_CAN_FORCE_SLEEP | CLKDM_CAN_FORCE_WAKEUP) -#define CLKDM_CAN_HWSUP_SWSUP (CLKDM_CAN_SWSUP | CLKDM_CAN_HWSUP) - -/** - * struct clkdm_autodep - clkdm deps to add when entering/exiting hwsup mode - * @clkdm: clockdomain to add wkdep+sleepdep on - set name member only - * - * A clockdomain that should have wkdeps and sleepdeps added when a - * clockdomain should stay active in hwsup mode; and conversely, - * removed when the clockdomain should be allowed to go inactive in - * hwsup mode. - * - * Autodeps are deprecated and should be removed after - * omap_hwmod-based fine-grained module idle control is added. - */ -struct clkdm_autodep { - union { - const char *name; - struct clockdomain *ptr; - } clkdm; -}; - -/** - * struct clkdm_dep - encode dependencies between clockdomains - * @clkdm_name: clockdomain name - * @clkdm: pointer to the struct clockdomain of @clkdm_name - * @wkdep_usecount: Number of wakeup dependencies causing this clkdm to wake - * @sleepdep_usecount: Number of sleep deps that could prevent clkdm from idle - * - * Statically defined. @clkdm is resolved from @clkdm_name at runtime and - * should not be pre-initialized. - * - * XXX Should also include hardware (fixed) dependencies. - */ -struct clkdm_dep { - const char *clkdm_name; - struct clockdomain *clkdm; - atomic_t wkdep_usecount; - atomic_t sleepdep_usecount; -}; - -/* Possible flags for struct clockdomain._flags */ -#define _CLKDM_FLAG_HWSUP_ENABLED BIT(0) - -/** - * struct clockdomain - OMAP clockdomain - * @name: clockdomain name - * @pwrdm: powerdomain containing this clockdomain - * @clktrctrl_reg: CLKSTCTRL reg for the given clock domain - * @clktrctrl_mask: CLKTRCTRL/AUTOSTATE field mask in CM_CLKSTCTRL reg - * @flags: Clockdomain capability flags - * @_flags: Flags for use only by internal clockdomain code - * @dep_bit: Bit shift of this clockdomain's PM_WKDEP/CM_SLEEPDEP bit - * @prcm_partition: (OMAP4 only) PRCM partition ID for this clkdm's registers - * @cm_inst: (OMAP4 only) CM instance register offset - * @clkdm_offs: (OMAP4 only) CM clockdomain register offset - * @wkdep_srcs: Clockdomains that can be told to wake this powerdomain up - * @sleepdep_srcs: Clockdomains that can be told to keep this clkdm from inact - * @usecount: Usecount tracking - * @node: list_head to link all clockdomains together - * - * @prcm_partition should be a macro from mach-omap2/prcm44xx.h (OMAP4 only) - * @cm_inst should be a macro ending in _INST from the OMAP4 CM instance - * definitions (OMAP4 only) - * @clkdm_offs should be a macro ending in _CDOFFS from the OMAP4 CM instance - * definitions (OMAP4 only) - */ -struct clockdomain { - const char *name; - union { - const char *name; - struct powerdomain *ptr; - } pwrdm; - const u16 clktrctrl_mask; - const u8 flags; - u8 _flags; - const u8 dep_bit; - const u8 prcm_partition; - const s16 cm_inst; - const u16 clkdm_offs; - struct clkdm_dep *wkdep_srcs; - struct clkdm_dep *sleepdep_srcs; - atomic_t usecount; - struct list_head node; - spinlock_t lock; -}; - -/** - * struct clkdm_ops - Arch specific function implementations - * @clkdm_add_wkdep: Add a wakeup dependency between clk domains - * @clkdm_del_wkdep: Delete a wakeup dependency between clk domains - * @clkdm_read_wkdep: Read wakeup dependency state between clk domains - * @clkdm_clear_all_wkdeps: Remove all wakeup dependencies from the clk domain - * @clkdm_add_sleepdep: Add a sleep dependency between clk domains - * @clkdm_del_sleepdep: Delete a sleep dependency between clk domains - * @clkdm_read_sleepdep: Read sleep dependency state between clk domains - * @clkdm_clear_all_sleepdeps: Remove all sleep dependencies from the clk domain - * @clkdm_sleep: Force a clockdomain to sleep - * @clkdm_wakeup: Force a clockdomain to wakeup - * @clkdm_allow_idle: Enable hw supervised idle transitions for clock domain - * @clkdm_deny_idle: Disable hw supervised idle transitions for clock domain - * @clkdm_clk_enable: Put the clkdm in right state for a clock enable - * @clkdm_clk_disable: Put the clkdm in right state for a clock disable - */ -struct clkdm_ops { - int (*clkdm_add_wkdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2); - int (*clkdm_del_wkdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2); - int (*clkdm_read_wkdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2); - int (*clkdm_clear_all_wkdeps)(struct clockdomain *clkdm); - int (*clkdm_add_sleepdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2); - int (*clkdm_del_sleepdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2); - int (*clkdm_read_sleepdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2); - int (*clkdm_clear_all_sleepdeps)(struct clockdomain *clkdm); - int (*clkdm_sleep)(struct clockdomain *clkdm); - int (*clkdm_wakeup)(struct clockdomain *clkdm); - void (*clkdm_allow_idle)(struct clockdomain *clkdm); - void (*clkdm_deny_idle)(struct clockdomain *clkdm); - int (*clkdm_clk_enable)(struct clockdomain *clkdm); - int (*clkdm_clk_disable)(struct clockdomain *clkdm); -}; - -int clkdm_register_platform_funcs(struct clkdm_ops *co); -int clkdm_register_autodeps(struct clkdm_autodep *ia); -int clkdm_register_clkdms(struct clockdomain **c); -int clkdm_complete_init(void); - -struct clockdomain *clkdm_lookup(const char *name); - -int clkdm_for_each(int (*fn)(struct clockdomain *clkdm, void *user), - void *user); -struct powerdomain *clkdm_get_pwrdm(struct clockdomain *clkdm); - -int clkdm_add_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2); -int clkdm_del_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2); -int clkdm_read_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2); -int clkdm_clear_all_wkdeps(struct clockdomain *clkdm); -int clkdm_add_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2); -int clkdm_del_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2); -int clkdm_read_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2); -int clkdm_clear_all_sleepdeps(struct clockdomain *clkdm); - -void clkdm_allow_idle(struct clockdomain *clkdm); -void clkdm_deny_idle(struct clockdomain *clkdm); -bool clkdm_in_hwsup(struct clockdomain *clkdm); - -int clkdm_wakeup(struct clockdomain *clkdm); -int clkdm_sleep(struct clockdomain *clkdm); - -int clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk); -int clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk); -int clkdm_hwmod_enable(struct clockdomain *clkdm, struct omap_hwmod *oh); -int clkdm_hwmod_disable(struct clockdomain *clkdm, struct omap_hwmod *oh); - -extern void __init omap242x_clockdomains_init(void); -extern void __init omap243x_clockdomains_init(void); -extern void __init omap3xxx_clockdomains_init(void); -extern void __init omap44xx_clockdomains_init(void); -extern void _clkdm_add_autodeps(struct clockdomain *clkdm); -extern void _clkdm_del_autodeps(struct clockdomain *clkdm); - -extern struct clkdm_ops omap2_clkdm_operations; -extern struct clkdm_ops omap3_clkdm_operations; -extern struct clkdm_ops omap4_clkdm_operations; - -extern struct clkdm_dep gfx_24xx_wkdeps[]; -extern struct clkdm_dep dsp_24xx_wkdeps[]; -extern struct clockdomain wkup_common_clkdm; -extern struct clockdomain prm_common_clkdm; -extern struct clockdomain cm_common_clkdm; - -#endif |