^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * OMAP2/3 clockdomain framework functions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2008, 2012 Texas Instruments, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2008-2011 Nokia Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) * Paul Walmsley
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #ifndef __ARCH_ARM_MACH_OMAP2_CLOCKDOMAIN_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #define __ARCH_ARM_MACH_OMAP2_CLOCKDOMAIN_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "powerdomain.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include "clock.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * Clockdomain flags
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) * XXX Document CLKDM_CAN_* flags
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) * CLKDM_NO_AUTODEPS: Prevent "autodeps" from being added/removed from this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * clockdomain. (Currently, this applies to OMAP3 clockdomains only.)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * CLKDM_ACTIVE_WITH_MPU: The PRCM guarantees that this clockdomain is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * active whenever the MPU is active. True for interconnects and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * the WKUP clockdomains.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * CLKDM_MISSING_IDLE_REPORTING: The idle status of the IP blocks and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * clocks inside this clockdomain are not taken into account by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * the PRCM when determining whether the clockdomain is idle.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) * Without this flag, if the clockdomain is set to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) * hardware-supervised idle mode, the PRCM may transition the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) * enclosing powerdomain to a low power state, even when devices
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * inside the clockdomain and powerdomain are in use. (An example
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * of such a clockdomain is the EMU clockdomain on OMAP3/4.) If
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) * this flag is set, and the clockdomain does not support the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) * force-sleep mode, then the HW_AUTO mode will be used to put the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) * clockdomain to sleep. Similarly, if the clockdomain supports
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) * the force-wakeup mode, then it will be used whenever a clock or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) * IP block inside the clockdomain is active, rather than the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) * HW_AUTO mode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define CLKDM_CAN_FORCE_SLEEP (1 << 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define CLKDM_CAN_FORCE_WAKEUP (1 << 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #define CLKDM_CAN_ENABLE_AUTO (1 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) #define CLKDM_CAN_DISABLE_AUTO (1 << 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define CLKDM_NO_AUTODEPS (1 << 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #define CLKDM_ACTIVE_WITH_MPU (1 << 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define CLKDM_MISSING_IDLE_REPORTING (1 << 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #define CLKDM_CAN_HWSUP (CLKDM_CAN_ENABLE_AUTO | CLKDM_CAN_DISABLE_AUTO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define CLKDM_CAN_SWSUP (CLKDM_CAN_FORCE_SLEEP | CLKDM_CAN_FORCE_WAKEUP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define CLKDM_CAN_HWSUP_SWSUP (CLKDM_CAN_SWSUP | CLKDM_CAN_HWSUP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) * struct clkdm_autodep - clkdm deps to add when entering/exiting hwsup mode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) * @clkdm: clockdomain to add wkdep+sleepdep on - set name member only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) * A clockdomain that should have wkdeps and sleepdeps added when a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) * clockdomain should stay active in hwsup mode; and conversely,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) * removed when the clockdomain should be allowed to go inactive in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) * hwsup mode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) * Autodeps are deprecated and should be removed after
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) * omap_hwmod-based fine-grained module idle control is added.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) struct clkdm_autodep {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) struct clockdomain *ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) } clkdm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) * struct clkdm_dep - encode dependencies between clockdomains
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) * @clkdm_name: clockdomain name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) * @clkdm: pointer to the struct clockdomain of @clkdm_name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) * @wkdep_usecount: Number of wakeup dependencies causing this clkdm to wake
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) * @sleepdep_usecount: Number of sleep deps that could prevent clkdm from idle
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) * Statically defined. @clkdm is resolved from @clkdm_name at runtime and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) * should not be pre-initialized.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) * XXX Should also include hardware (fixed) dependencies.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) struct clkdm_dep {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) const char *clkdm_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) struct clockdomain *clkdm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) s16 wkdep_usecount;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) s16 sleepdep_usecount;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) /* Possible flags for struct clockdomain._flags */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) #define _CLKDM_FLAG_HWSUP_ENABLED BIT(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) struct omap_hwmod;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) * struct clockdomain - OMAP clockdomain
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) * @name: clockdomain name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) * @pwrdm: powerdomain containing this clockdomain
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) * @clktrctrl_reg: CLKSTCTRL reg for the given clock domain
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) * @clktrctrl_mask: CLKTRCTRL/AUTOSTATE field mask in CM_CLKSTCTRL reg
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) * @flags: Clockdomain capability flags
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) * @_flags: Flags for use only by internal clockdomain code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) * @dep_bit: Bit shift of this clockdomain's PM_WKDEP/CM_SLEEPDEP bit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) * @prcm_partition: (OMAP4 only) PRCM partition ID for this clkdm's registers
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) * @cm_inst: (OMAP4 only) CM instance register offset
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) * @clkdm_offs: (OMAP4 only) CM clockdomain register offset
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) * @wkdep_srcs: Clockdomains that can be told to wake this powerdomain up
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) * @sleepdep_srcs: Clockdomains that can be told to keep this clkdm from inact
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) * @usecount: Usecount tracking
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) * @forcewake_count: Usecount for forcing the domain active
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) * @node: list_head to link all clockdomains together
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) * @prcm_partition should be a macro from mach-omap2/prcm44xx.h (OMAP4 only)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) * @cm_inst should be a macro ending in _INST from the OMAP4 CM instance
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) * definitions (OMAP4 only)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) * @clkdm_offs should be a macro ending in _CDOFFS from the OMAP4 CM instance
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) * definitions (OMAP4 only)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) struct clockdomain {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) struct powerdomain *ptr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) } pwrdm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) const u16 clktrctrl_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) const u8 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) u8 _flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) const u8 dep_bit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) const u8 prcm_partition;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) const u16 cm_inst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) const u16 clkdm_offs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) struct clkdm_dep *wkdep_srcs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) struct clkdm_dep *sleepdep_srcs;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) int usecount;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) int forcewake_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) struct list_head node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) u32 context;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) * struct clkdm_ops - Arch specific function implementations
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) * @clkdm_add_wkdep: Add a wakeup dependency between clk domains
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) * @clkdm_del_wkdep: Delete a wakeup dependency between clk domains
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) * @clkdm_read_wkdep: Read wakeup dependency state between clk domains
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) * @clkdm_clear_all_wkdeps: Remove all wakeup dependencies from the clk domain
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) * @clkdm_add_sleepdep: Add a sleep dependency between clk domains
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) * @clkdm_del_sleepdep: Delete a sleep dependency between clk domains
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) * @clkdm_read_sleepdep: Read sleep dependency state between clk domains
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) * @clkdm_clear_all_sleepdeps: Remove all sleep dependencies from the clk domain
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) * @clkdm_sleep: Force a clockdomain to sleep
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) * @clkdm_wakeup: Force a clockdomain to wakeup
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) * @clkdm_allow_idle: Enable hw supervised idle transitions for clock domain
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) * @clkdm_deny_idle: Disable hw supervised idle transitions for clock domain
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) * @clkdm_clk_enable: Put the clkdm in right state for a clock enable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) * @clkdm_clk_disable: Put the clkdm in right state for a clock disable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) * @clkdm_save_context: Save the current clkdm context
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) * @clkdm_restore_context: Restore the clkdm context
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) struct clkdm_ops {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) int (*clkdm_add_wkdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) int (*clkdm_del_wkdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) int (*clkdm_read_wkdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) int (*clkdm_clear_all_wkdeps)(struct clockdomain *clkdm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) int (*clkdm_add_sleepdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) int (*clkdm_del_sleepdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) int (*clkdm_read_sleepdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) int (*clkdm_clear_all_sleepdeps)(struct clockdomain *clkdm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) int (*clkdm_sleep)(struct clockdomain *clkdm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) int (*clkdm_wakeup)(struct clockdomain *clkdm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) void (*clkdm_allow_idle)(struct clockdomain *clkdm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) void (*clkdm_deny_idle)(struct clockdomain *clkdm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) int (*clkdm_clk_enable)(struct clockdomain *clkdm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) int (*clkdm_clk_disable)(struct clockdomain *clkdm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) int (*clkdm_save_context)(struct clockdomain *clkdm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) int (*clkdm_restore_context)(struct clockdomain *clkdm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) int clkdm_register_platform_funcs(struct clkdm_ops *co);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) int clkdm_register_autodeps(struct clkdm_autodep *ia);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) int clkdm_register_clkdms(struct clockdomain **c);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) int clkdm_complete_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) struct clockdomain *clkdm_lookup(const char *name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) int clkdm_for_each(int (*fn)(struct clockdomain *clkdm, void *user),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) void *user);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) struct powerdomain *clkdm_get_pwrdm(struct clockdomain *clkdm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) int clkdm_add_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) int clkdm_del_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) int clkdm_read_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) int clkdm_clear_all_wkdeps(struct clockdomain *clkdm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) int clkdm_add_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) int clkdm_del_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) int clkdm_read_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) int clkdm_clear_all_sleepdeps(struct clockdomain *clkdm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) void clkdm_allow_idle_nolock(struct clockdomain *clkdm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) void clkdm_allow_idle(struct clockdomain *clkdm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) void clkdm_deny_idle_nolock(struct clockdomain *clkdm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) void clkdm_deny_idle(struct clockdomain *clkdm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) bool clkdm_in_hwsup(struct clockdomain *clkdm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) bool clkdm_missing_idle_reporting(struct clockdomain *clkdm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) int clkdm_wakeup_nolock(struct clockdomain *clkdm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) int clkdm_wakeup(struct clockdomain *clkdm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) int clkdm_sleep_nolock(struct clockdomain *clkdm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) int clkdm_sleep(struct clockdomain *clkdm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) int clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) int clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) int clkdm_hwmod_enable(struct clockdomain *clkdm, struct omap_hwmod *oh);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) int clkdm_hwmod_disable(struct clockdomain *clkdm, struct omap_hwmod *oh);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) void clkdm_save_context(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) void clkdm_restore_context(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) extern void __init omap242x_clockdomains_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) extern void __init omap243x_clockdomains_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) extern void __init omap3xxx_clockdomains_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) extern void __init am33xx_clockdomains_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) extern void __init ti814x_clockdomains_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) extern void __init ti816x_clockdomains_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) extern void __init omap44xx_clockdomains_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) extern void __init omap54xx_clockdomains_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) extern void __init dra7xx_clockdomains_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) void am43xx_clockdomains_init(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) extern void clkdm_add_autodeps(struct clockdomain *clkdm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) extern void clkdm_del_autodeps(struct clockdomain *clkdm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) extern struct clkdm_ops omap2_clkdm_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) extern struct clkdm_ops omap3_clkdm_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) extern struct clkdm_ops omap4_clkdm_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) extern struct clkdm_ops am33xx_clkdm_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) extern struct clkdm_ops am43xx_clkdm_operations;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) extern struct clkdm_dep gfx_24xx_wkdeps[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) extern struct clkdm_dep dsp_24xx_wkdeps[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) extern struct clockdomain wkup_common_clkdm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) #endif