v4.19.13 snapshot.
diff --git a/include/linux/pmu.h b/include/linux/pmu.h
new file mode 100644
index 0000000..9ac8fc6
--- /dev/null
+++ b/include/linux/pmu.h
@@ -0,0 +1,86 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Definitions for talking to the PMU. The PMU is a microcontroller
+ * which controls battery charging and system power on PowerBook 3400
+ * and 2400 models as well as the RTC and various other things.
+ *
+ * Copyright (C) 1998 Paul Mackerras.
+ */
+#ifndef _LINUX_PMU_H
+#define _LINUX_PMU_H
+
+#include <uapi/linux/pmu.h>
+
+
+extern int find_via_pmu(void);
+
+extern int pmu_request(struct adb_request *req,
+ void (*done)(struct adb_request *), int nbytes, ...);
+extern int pmu_queue_request(struct adb_request *req);
+extern void pmu_poll(void);
+extern void pmu_poll_adb(void); /* For use by xmon */
+extern void pmu_wait_complete(struct adb_request *req);
+
+/* For use before switching interrupts off for a long time;
+ * warning: not stackable
+ */
+#if defined(CONFIG_ADB_PMU)
+extern void pmu_suspend(void);
+extern void pmu_resume(void);
+#else
+static inline void pmu_suspend(void)
+{}
+static inline void pmu_resume(void)
+{}
+#endif
+
+extern void pmu_enable_irled(int on);
+
+extern void pmu_restart(void);
+extern void pmu_shutdown(void);
+extern void pmu_unlock(void);
+
+extern int pmu_present(void);
+extern int pmu_get_model(void);
+
+extern void pmu_backlight_set_sleep(int sleep);
+
+#define PMU_MAX_BATTERIES 2
+
+/* values for pmu_power_flags */
+#define PMU_PWR_AC_PRESENT 0x00000001
+
+/* values for pmu_battery_info.flags */
+#define PMU_BATT_PRESENT 0x00000001
+#define PMU_BATT_CHARGING 0x00000002
+#define PMU_BATT_TYPE_MASK 0x000000f0
+#define PMU_BATT_TYPE_SMART 0x00000010 /* Smart battery */
+#define PMU_BATT_TYPE_HOOPER 0x00000020 /* 3400/3500 */
+#define PMU_BATT_TYPE_COMET 0x00000030 /* 2400 */
+
+struct pmu_battery_info
+{
+ unsigned int flags;
+ unsigned int charge; /* current charge */
+ unsigned int max_charge; /* maximum charge */
+ signed int amperage; /* current, positive if charging */
+ unsigned int voltage; /* voltage */
+ unsigned int time_remaining; /* remaining time */
+};
+
+extern int pmu_battery_count;
+extern struct pmu_battery_info pmu_batteries[PMU_MAX_BATTERIES];
+extern unsigned int pmu_power_flags;
+
+/* Backlight */
+extern void pmu_backlight_init(void);
+
+/* some code needs to know if the PMU was suspended for hibernation */
+#if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC32)
+extern int pmu_sys_suspended;
+#else
+/* if power management is not configured it can't be suspended */
+#define pmu_sys_suspended 0
+#endif
+
+#endif /* _LINUX_PMU_H */