diff options
Diffstat (limited to 'arch/arm/plat-omap/include/plat/clockdomain.h')
| -rw-r--r-- | arch/arm/plat-omap/include/plat/clockdomain.h | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/arch/arm/plat-omap/include/plat/clockdomain.h b/arch/arm/plat-omap/include/plat/clockdomain.h deleted file mode 100644 index ba0a6c07c0f..00000000000 --- a/arch/arm/plat-omap/include/plat/clockdomain.h +++ /dev/null @@ -1,141 +0,0 @@ -/* - * arch/arm/plat-omap/include/mach/clockdomain.h - * - * OMAP2/3 clockdomain framework functions - * - * Copyright (C) 2008 Texas Instruments, Inc. - * Copyright (C) 2008-2009 Nokia Corporation - * - * Written by 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 __ASM_ARM_ARCH_OMAP_CLOCKDOMAIN_H -#define __ASM_ARM_ARCH_OMAP_CLOCKDOMAIN_H - -#include <plat/powerdomain.h> -#include <plat/clock.h> -#include <plat/cpu.h> - -/* Clockdomain capability flags */ -#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_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) - -/* OMAP24XX CM_CLKSTCTRL_*.AUTOSTATE_* register bit values */ -#define OMAP24XX_CLKSTCTRL_DISABLE_AUTO 0x0 -#define OMAP24XX_CLKSTCTRL_ENABLE_AUTO 0x1 - -/* OMAP3XXX CM_CLKSTCTRL_*.CLKTRCTRL_* register bit values */ -#define OMAP34XX_CLKSTCTRL_DISABLE_AUTO 0x0 -#define OMAP34XX_CLKSTCTRL_FORCE_SLEEP 0x1 -#define OMAP34XX_CLKSTCTRL_FORCE_WAKEUP 0x2 -#define OMAP34XX_CLKSTCTRL_ENABLE_AUTO 0x3 - -/** - * struct clkdm_autodep - clkdm deps to add when entering/exiting hwsup mode - * @clkdm: clockdomain to add wkdep+sleepdep on - set name member only - * @omap_chip: OMAP chip types that this autodep is valid on - * - * 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; - const struct omap_chip_id omap_chip; -}; - -/** - * struct clkdm_dep - encode dependencies between clockdomains - * @clkdm_name: clockdomain name - * @clkdm: pointer to the struct clockdomain of @clkdm_name - * @omap_chip: OMAP chip types that this dependency is valid on - * @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; - const struct omap_chip_id omap_chip; -}; - -/** - * 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 - * @dep_bit: Bit shift of this clockdomain's PM_WKDEP/CM_SLEEPDEP bit - * @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 - * @omap_chip: OMAP chip types that this clockdomain is valid on - * @usecount: Usecount tracking - * @node: list_head to link all clockdomains together - */ -struct clockdomain { - const char *name; - union { - const char *name; - struct powerdomain *ptr; - } pwrdm; - void __iomem *clkstctrl_reg; - const u16 clktrctrl_mask; - const u8 flags; - const u8 dep_bit; - struct clkdm_dep *wkdep_srcs; - struct clkdm_dep *sleepdep_srcs; - const struct omap_chip_id omap_chip; - atomic_t usecount; - struct list_head node; -}; - -void clkdm_init(struct clockdomain **clkdms, struct clkdm_autodep *autodeps); -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 omap2_clkdm_allow_idle(struct clockdomain *clkdm); -void omap2_clkdm_deny_idle(struct clockdomain *clkdm); - -int omap2_clkdm_wakeup(struct clockdomain *clkdm); -int omap2_clkdm_sleep(struct clockdomain *clkdm); - -int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk); -int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk); - -#endif |