forked from Minki/linux
a5ebba6b54
These are various power management related changes, mainly concerning
cpuidle on i.MX and OMAP, as well as a the move of the omap smartreflex
driver to live in the power subsystem.
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Merge tag 'pm' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull arm-soc power management changes from Arnd Bergmann:
"These are various power management related changes, mainly concerning
cpuidle on i.MX and OMAP, as well as a the move of the omap
smartreflex driver to live in the power subsystem."
Fix up conflicts in arch/arm/mach-{imx/mach-imx6q.c,omap2/prm2xxx_3xxx.h}
* tag 'pm' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (37 commits)
ARM: OMAP2+: PM: fix IRQ_NOAUTOEN removal by mis-merge
ARM: OMAP2+: do not allow SmartReflex to be built as a module
ARM: OMAP2: Use hwmod to initialize mmc for 2420
ARM: OMAP3: PM: cpuidle: optimize the clkdm idle latency in C1 state
ARM: OMAP3: PM: cpuidle: optimize the PER latency in C1 state
ARM: OMAP3: PM: cpuidle: default to C1 in next_valid_state
ARM: OMAP3: PM: cleanup cam_pwrdm leftovers
ARM: OMAP3: PM: call pre/post transition per powerdomain
ARM: OMAP2+: powerdomain: allow pre/post transtion to be per pwrdm
ARM: OMAP3: PM: Remove IO Daisychain control from cpuidle
ARM: OMAP3PLUS: hwmod: reconfigure IO Daisychain during hwmod mux
ARM: OMAP3+: PRM: Enable IO wake up
ARM: OMAP4: PRM: Add IO Daisychain support
ARM: OMAP3: PM: Move IO Daisychain function to omap3 prm file
ARM: OMAP3: PM: correct enable/disable of daisy io chain
ARM: OMAP2+: PRM: fix compile for OMAP4-only build
W1: OMAP HDQ1W: use runtime PM
ARM: OMAP2+: HDQ1W: use omap_device
W1: OMAP HDQ1W: use 32-bit register accesses
W1: OMAP HDQ1W: allow driver to be built on all OMAP2+
...
132 lines
3.3 KiB
C
132 lines
3.3 KiB
C
/*
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* OMAP2/3 Power Management Routines
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*
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* Copyright (C) 2008 Nokia Corporation
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* Jouni Hogander
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __ARCH_ARM_MACH_OMAP2_PM_H
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#define __ARCH_ARM_MACH_OMAP2_PM_H
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#include <linux/err.h>
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#include "powerdomain.h"
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#ifdef CONFIG_CPU_IDLE
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extern int __init omap3_idle_init(void);
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extern int __init omap4_idle_init(void);
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#else
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static inline int omap3_idle_init(void)
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{
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return 0;
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}
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static inline int omap4_idle_init(void)
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{
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return 0;
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}
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#endif
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extern void *omap3_secure_ram_storage;
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extern void omap3_pm_off_mode_enable(int);
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extern void omap_sram_idle(void);
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extern int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state);
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extern int omap_pm_clkdms_setup(struct clockdomain *clkdm, void *unused);
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extern int (*omap_pm_suspend)(void);
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#if defined(CONFIG_PM_OPP)
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extern int omap3_opp_init(void);
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extern int omap4_opp_init(void);
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#else
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static inline int omap3_opp_init(void)
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{
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return -EINVAL;
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}
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static inline int omap4_opp_init(void)
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{
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return -EINVAL;
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}
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#endif
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extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm);
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extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state);
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#ifdef CONFIG_PM_DEBUG
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extern u32 enable_off_mode;
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#else
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#define enable_off_mode 0
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#endif
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#if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS)
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extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev);
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#else
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#define pm_dbg_update_time(pwrdm, prev) do {} while (0);
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#endif /* CONFIG_PM_DEBUG */
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/* 24xx */
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extern void omap24xx_idle_loop_suspend(void);
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extern unsigned int omap24xx_idle_loop_suspend_sz;
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extern void omap24xx_cpu_suspend(u32 dll_ctrl, void __iomem *sdrc_dlla_ctrl,
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void __iomem *sdrc_power);
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extern unsigned int omap24xx_cpu_suspend_sz;
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/* 3xxx */
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extern void omap34xx_cpu_suspend(int save_state);
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/* omap3_do_wfi function pointer and size, for copy to SRAM */
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extern void omap3_do_wfi(void);
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extern unsigned int omap3_do_wfi_sz;
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/* ... and its pointer from SRAM after copy */
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extern void (*omap3_do_wfi_sram)(void);
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/* save_secure_ram_context function pointer and size, for copy to SRAM */
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extern int save_secure_ram_context(u32 *addr);
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extern unsigned int save_secure_ram_context_sz;
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extern void omap3_save_scratchpad_contents(void);
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#define PM_RTA_ERRATUM_i608 (1 << 0)
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#define PM_SDRC_WAKEUP_ERRATUM_i583 (1 << 1)
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#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3)
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extern u16 pm34xx_errata;
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#define IS_PM34XX_ERRATUM(id) (pm34xx_errata & (id))
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extern void enable_omap3630_toggle_l2_on_restore(void);
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#else
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#define IS_PM34XX_ERRATUM(id) 0
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static inline void enable_omap3630_toggle_l2_on_restore(void) { }
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#endif /* defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) */
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#ifdef CONFIG_POWER_AVS_OMAP
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extern int omap_devinit_smartreflex(void);
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extern void omap_enable_smartreflex_on_init(void);
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#else
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static inline int omap_devinit_smartreflex(void)
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{
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return -EINVAL;
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}
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static inline void omap_enable_smartreflex_on_init(void) {}
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#endif
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#ifdef CONFIG_TWL4030_CORE
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extern int omap3_twl_init(void);
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extern int omap4_twl_init(void);
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extern int omap3_twl_set_sr_bit(bool enable);
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#else
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static inline int omap3_twl_init(void)
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{
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return -EINVAL;
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}
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static inline int omap4_twl_init(void)
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{
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return -EINVAL;
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}
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#endif
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#endif
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