patch-2.3.22 linux/include/linux/pmu.h

• Lines: 136
• Date: Tue Oct 12 10:00:58 1999
• Orig file: v2.3.21/linux/include/linux/pmu.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.21/linux/include/linux/pmu.h linux/include/linux/pmu.h
@@ -0,0 +1,135 @@
+/*
+ * 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.
+ */
+
+#include <linux/config.h>
+/*
+ * PMU commands
+ */
+#define PMU_POWER_CTRL		0x11	/* control power of some devices */
+#define PMU_ADB_CMD		0x20	/* send ADB packet */
+#define PMU_ADB_POLL_OFF	0x21	/* disable ADB auto-poll */
+#define PMU_WRITE_NVRAM		0x33	/* write non-volatile RAM */
+#define PMU_READ_NVRAM		0x3b	/* read non-volatile RAM */
+#define PMU_SET_RTC		0x30	/* set real-time clock */
+#define PMU_READ_RTC		0x38	/* read real-time clock */
+#define PMU_SET_VOLBUTTON	0x40	/* set volume up/down position */
+#define PMU_BACKLIGHT_BRIGHT	0x41	/* set backlight brightness */
+#define PMU_GET_VOLBUTTON	0x48	/* get volume up/down position */
+#define PMU_PCEJECT		0x4c	/* eject PC-card from slot */
+#define PMU_BATTERY_STATE	0x6b	/* report battery state etc. */
+#define PMU_SET_INTR_MASK	0x70	/* set PMU interrupt mask */
+#define PMU_INT_ACK		0x78	/* read interrupt bits */
+#define PMU_SHUTDOWN		0x7e	/* turn power off */
+#define PMU_SLEEP		0x7f	/* put CPU to sleep */
+#define PMU_RESET		0xd0	/* reset CPU */
+#define PMU_GET_BRIGHTBUTTON	0xd9	/* report brightness up/down pos */
+#define PMU_GET_COVER		0xdc	/* report cover open/closed */
+
+/* Bits to use with the PMU_POWER_CTRL command */
+#define PMU_POW_ON		0x80	/* OR this to power ON the device */
+#define PMU_POW_OFF		0x00	/* leave bit 7 to 0 to power it OFF */
+#define PMU_POW_BACKLIGHT	0x01	/* backlight power */
+#define PMU_POW_IRLED		0x04	/* IR led power (on wallstreet) */
+
+/* Bits in PMU interrupt and interrupt mask bytes */
+#define PMU_INT_ADB_AUTO	0x04	/* ADB autopoll, when PMU_INT_ADB */
+#define PMU_INT_PCEJECT		0x04	/* PC-card eject buttons */
+#define PMU_INT_SNDBRT		0x08	/* sound/brightness up/down buttons */
+#define PMU_INT_ADB		0x10	/* ADB autopoll or reply data */
+#define PMU_INT_BATTERY		0x20
+#define PMU_INT_WAKEUP		0x40
+#define PMU_INT_TICK		0x80	/* 1-second tick interrupt */
+
+/* Kind of PMU (model) */
+enum {
+	PMU_UNKNOWN,
+	PMU_OHARE_BASED,	/* 2400, 3400, 3500 (old G3 powerbook) */
+	PMU_HEATHROW_BASED,	/* PowerBook G3 series */
+	PMU_PADDINGTON_BASED,	/* 1999 PowerBook G3 */
+};
+
+/*
+ * Ioctl commands for the /dev/pmu device
+ */
+#include <linux/ioctl.h>
+
+/* no param */
+#define PMU_IOC_SLEEP		_IO('B', 0)
+/* out param: u32*	backlight value: 0 to 31 */
+#define PMU_IOC_GET_BACKLIGHT	_IOR('B', 1, sizeof(__u32*))
+/* in param: u32	backlight value: 0 to 31 */
+#define PMU_IOC_SET_BACKLIGHT	_IOW('B', 2, sizeof(__u32))
+/* out param: u32*	backlight value: 0 to 31 */
+#define PMU_IOC_GET_MODEL	_IOR('B', 3, sizeof(__u32*))
+
+#ifdef __KERNEL__
+
+int find_via_pmu(void);
+int via_pmu_init(void);
+
+int pmu_request(struct adb_request *req,
+		void (*done)(struct adb_request *), int nbytes, ...);
+void pmu_poll(void);
+
+void pmu_enable_backlight(int on);
+void pmu_set_brightness(int level);
+
+void pmu_enable_irled(int on);
+
+void pmu_restart(void);
+void pmu_shutdown(void);
+
+int pmu_present(void);
+int pmu_get_model(void);
+
+#ifdef CONFIG_PMAC_PBOOK
+/*
+ * Stuff for putting the powerbook to sleep and waking it again.
+ *
+ */
+#include <linux/list.h>
+
+struct pmu_sleep_notifier
+{
+	int (*notifier_call)(struct pmu_sleep_notifier *self, int when);
+	int priority;
+	struct list_head list;
+};
+
+/* Code values for calling sleep/wakeup handlers
+ *
+ * Note: If a sleep request got cancelled, all drivers will get
+ * the PBOOK_SLEEP_REJECT, even those who didn't get the PBOOK_SLEEP_REQUEST.
+ */
+#define PBOOK_SLEEP_REQUEST	1
+#define PBOOK_SLEEP_NOW		2
+#define PBOOK_SLEEP_REJECT	3
+#define PBOOK_WAKE		4
+
+/* Result codes returned by the notifiers */
+#define PBOOK_SLEEP_OK		0
+#define PBOOK_SLEEP_REFUSE	-1
+
+/* priority levels in notifiers */
+#define SLEEP_LEVEL_VIDEO	100	/* Video driver (first wake) */
+#define SLEEP_LEVEL_SOUND	90	/* Sound driver */
+#define SLEEP_LEVEL_MEDIABAY	80	/* Media bay driver */
+#define SLEEP_LEVEL_BLOCK	70	/* IDE, SCSI */
+#define SLEEP_LEVEL_NET		60	/* bmac */
+#define SLEEP_LEVEL_ADB		50	/* ADB */
+#define SLEEP_LEVEL_MISC	30	/* Anything */
+#define SLEEP_LEVEL_LAST	0	/* Anything */
+
+/* special register notifier functions */
+int pmu_register_sleep_notifier(struct pmu_sleep_notifier* notifier);
+int pmu_unregister_sleep_notifier(struct pmu_sleep_notifier* notifier);
+
+#endif /* CONFIG_PMAC_PBOOK */
+
+
+#endif	/* __KERNEL */