patch-2.1.97 linux/include/asm-ppc/pmu.h
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- Lines: 43
- Date:
Tue Apr 14 17:34:00 1998
- Orig file:
v2.1.96/linux/include/asm-ppc/pmu.h
- Orig date:
Wed Dec 31 16:00:00 1969
diff -u --recursive --new-file v2.1.96/linux/include/asm-ppc/pmu.h linux/include/asm-ppc/pmu.h
@@ -0,0 +1,42 @@
+/*
+ * 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.
+ */
+
+/*
+ * PMU commands
+ */
+#define PMU_BACKLIGHT_CTRL 0x11 /* control backlight */
+#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_BACKLIGHT_BRIGHT 0x41 /* set backlight brightness */
+#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 */
+
+/* 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_TICK 0x80 /* 1-second tick interrupt */
+
+#ifdef __KERNEL__
+void via_pmu_init(void);
+int pmu_request(struct adb_request *req,
+ void (*done)(struct adb_request *), int nbytes, ...);
+int pmu_send_request(struct adb_request *req);
+void pmu_poll(void);
+
+void pmu_enable_backlight(int on);
+
+#endif /* __KERNEL */
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