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-rw-r--r--arch/arm/mach-omap2/pm.h164
1 files changed, 164 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h
new file mode 100644
index 000000000..80e84ae66
--- /dev/null
+++ b/arch/arm/mach-omap2/pm.h
@@ -0,0 +1,164 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * OMAP2/3 Power Management Routines
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ * Jouni Hogander
+ */
+#ifndef __ARCH_ARM_MACH_OMAP2_PM_H
+#define __ARCH_ARM_MACH_OMAP2_PM_H
+
+#include <linux/err.h>
+
+#include "powerdomain.h"
+
+#ifdef CONFIG_CPU_IDLE
+extern int __init omap3_idle_init(void);
+extern int __init omap4_idle_init(void);
+#else
+static inline int omap3_idle_init(void)
+{
+ return 0;
+}
+
+static inline int omap4_idle_init(void)
+{
+ return 0;
+}
+#endif
+
+extern void *omap3_secure_ram_storage;
+extern void omap3_pm_off_mode_enable(int);
+extern void omap_sram_idle(void);
+extern int omap_pm_clkdms_setup(struct clockdomain *clkdm, void *unused);
+
+#if defined(CONFIG_PM_OPP)
+extern int omap3_opp_init(void);
+extern int omap4_opp_init(void);
+#else
+static inline int omap3_opp_init(void)
+{
+ return -EINVAL;
+}
+static inline int omap4_opp_init(void)
+{
+ return -EINVAL;
+}
+#endif
+
+extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm);
+extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state);
+
+extern u32 enable_off_mode;
+
+#if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS)
+extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev);
+#else
+#define pm_dbg_update_time(pwrdm, prev) do {} while (0);
+#endif /* CONFIG_PM_DEBUG */
+
+/* 24xx */
+extern void omap24xx_idle_loop_suspend(void);
+extern unsigned int omap24xx_idle_loop_suspend_sz;
+
+extern void omap24xx_cpu_suspend(u32 dll_ctrl, void __iomem *sdrc_dlla_ctrl,
+ void __iomem *sdrc_power);
+extern unsigned int omap24xx_cpu_suspend_sz;
+
+/* 3xxx */
+extern void omap34xx_cpu_suspend(int save_state);
+
+/* omap3_do_wfi function pointer and size, for copy to SRAM */
+extern void omap3_do_wfi(void);
+extern unsigned int omap3_do_wfi_sz;
+/* ... and its pointer from SRAM after copy */
+extern void (*omap3_do_wfi_sram)(void);
+
+extern struct am33xx_pm_sram_addr am33xx_pm_sram;
+extern struct am33xx_pm_sram_addr am43xx_pm_sram;
+
+extern void omap3_save_scratchpad_contents(void);
+
+#define PM_RTA_ERRATUM_i608 (1 << 0)
+#define PM_SDRC_WAKEUP_ERRATUM_i583 (1 << 1)
+#define PM_PER_MEMORIES_ERRATUM_i582 (1 << 2)
+
+#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3)
+extern u16 pm34xx_errata;
+#define IS_PM34XX_ERRATUM(id) (pm34xx_errata & (id))
+extern void enable_omap3630_toggle_l2_on_restore(void);
+#else
+#define IS_PM34XX_ERRATUM(id) 0
+static inline void enable_omap3630_toggle_l2_on_restore(void) { }
+#endif /* defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) */
+
+#define PM_OMAP4_ROM_SMP_BOOT_ERRATUM_GICD (1 << 0)
+#define PM_OMAP4_CPU_OSWR_DISABLE (1 << 1)
+
+#if defined(CONFIG_PM) && (defined(CONFIG_ARCH_OMAP4) ||\
+ defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX))
+extern u16 pm44xx_errata;
+#define IS_PM44XX_ERRATUM(id) (pm44xx_errata & (id))
+#else
+#define IS_PM44XX_ERRATUM(id) 0
+#endif
+
+#define OMAP4_VP_CONFIG_ERROROFFSET 0x00
+#define OMAP4_VP_VSTEPMIN_VSTEPMIN 0x01
+#define OMAP4_VP_VSTEPMAX_VSTEPMAX 0x04
+#define OMAP4_VP_VLIMITTO_TIMEOUT_US 200
+
+#ifdef CONFIG_POWER_AVS_OMAP
+extern int omap_devinit_smartreflex(void);
+extern void omap_enable_smartreflex_on_init(void);
+#else
+static inline int omap_devinit_smartreflex(void)
+{
+ return -EINVAL;
+}
+
+static inline void omap_enable_smartreflex_on_init(void) {}
+#endif
+
+#ifdef CONFIG_TWL4030_CORE
+extern int omap3_twl_init(void);
+extern int omap4_twl_init(void);
+extern int omap3_twl_set_sr_bit(bool enable);
+#else
+static inline int omap3_twl_init(void)
+{
+ return -EINVAL;
+}
+static inline int omap4_twl_init(void)
+{
+ return -EINVAL;
+}
+#endif
+
+#if IS_ENABLED(CONFIG_MFD_CPCAP)
+extern int omap4_cpcap_init(void);
+#else
+static inline int omap4_cpcap_init(void)
+{
+ return -EINVAL;
+}
+#endif
+
+#ifdef CONFIG_PM
+extern void omap_pm_setup_oscillator(u32 tstart, u32 tshut);
+extern void omap_pm_get_oscillator(u32 *tstart, u32 *tshut);
+extern void omap_pm_setup_sr_i2c_pcb_length(u32 mm);
+#else
+static inline void omap_pm_setup_oscillator(u32 tstart, u32 tshut) { }
+static inline void omap_pm_get_oscillator(u32 *tstart, u32 *tshut) { *tstart = *tshut = 0; }
+static inline void omap_pm_setup_sr_i2c_pcb_length(u32 mm) { }
+#endif
+
+#ifdef CONFIG_SUSPEND
+void omap_common_suspend_init(void *pm_suspend);
+#else
+static inline void omap_common_suspend_init(void *pm_suspend)
+{
+}
+#endif /* CONFIG_SUSPEND */
+#endif