[MIPS] APM emu support

Signed-off-by: Rodolfo Giometti <giometti@linux.it>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 65 insertions, 0 deletions

diff --git a/include/asm-mips/apm.h b/include/asm-mips/apm.h
new file mode 100644
index 000000000000..e8c69208f63a
--- /dev/null
+++ b/include/asm-mips/apm.h
@@ -0,0 +1,65 @@
+/* -*- linux-c -*-
+ *
+ * (C) 2003 zecke@handhelds.org
+ *
+ * GPL version 2
+ *
+ * based on arch/arm/kernel/apm.c
+ * factor out the information needed by architectures to provide
+ * apm status
+ *
+ *
+ */
+#ifndef MIPS_ASM_SA1100_APM_H
+#define MIPS_ASM_SA1100_APM_H
+
+#include <linux/config.h>
+#include <linux/apm_bios.h>
+
+/*
+ * This structure gets filled in by the machine specific 'get_power_status'
+ * implementation.  Any fields which are not set default to a safe value.
+ */
+struct apm_power_info {
+        unsigned char   ac_line_status;
+#define APM_AC_OFFLINE                  0
+#define APM_AC_ONLINE                   1
+#define APM_AC_BACKUP                   2
+#define APM_AC_UNKNOWN                  0xff
+
+        unsigned char   battery_status;
+#define APM_BATTERY_STATUS_HIGH         0
+#define APM_BATTERY_STATUS_LOW          1
+#define APM_BATTERY_STATUS_CRITICAL     2
+#define APM_BATTERY_STATUS_CHARGING     3
+#define APM_BATTERY_STATUS_NOT_PRESENT  4
+#define APM_BATTERY_STATUS_UNKNOWN      0xff
+
+        unsigned char   battery_flag;
+#define APM_BATTERY_FLAG_HIGH           (1 << 0)
+#define APM_BATTERY_FLAG_LOW            (1 << 1)
+#define APM_BATTERY_FLAG_CRITICAL       (1 << 2)
+#define APM_BATTERY_FLAG_CHARGING       (1 << 3)
+#define APM_BATTERY_FLAG_NOT_PRESENT    (1 << 7)
+#define APM_BATTERY_FLAG_UNKNOWN        0xff
+
+        int             battery_life;
+        int             time;
+        int             units;
+#define APM_UNITS_MINS                  0
+#define APM_UNITS_SECS                  1
+#define APM_UNITS_UNKNOWN               -1
+
+};
+
+/*
+ * This allows machines to provide their own "apm get power status" function.
+ */
+extern void (*apm_get_power_status)(struct apm_power_info *);
+
+/*
+ * Queue an event (APM_SYS_SUSPEND or APM_CRITICAL_SUSPEND)
+ */
+void apm_queue_event(apm_event_t event);
+
+#endif