patch-2.4.0-prerelease linux/drivers/acpi/ec.h

• Lines: 101
• Date: Fri Dec 29 14:07:21 2000
• Orig file: v2.4.0-test12/linux/drivers/acpi/ec.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.0-test12/linux/drivers/acpi/ec.h linux/drivers/acpi/ec.h
@@ -0,0 +1,100 @@
+/*
+ *  Copyright (C) 2000 Andrew Grover
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+
+#ifndef __EC_H__
+#define __EC_H__
+
+// TODO: Linux-specific
+#include <linux/spinlock.h>
+#include <asm/semaphore.h>
+
+#include <actypes.h>
+#include <acexcep.h>
+
+/*****************************************************************************
+ *                             Types & Other Defines
+ *****************************************************************************/
+
+#define EC_DEFAULT_TIMEOUT              1000            /* 1 second */
+#define EC_GPE_UNKNOWN                  0xFFFFFFFF
+#define EC_PORT_UNKNOWN                 0x00000000
+#define EC_BURST_ENABLE_ACKNOWLEDGE     0x90
+
+/* 
+ * EC_COMMAND:
+ * -----------
+ */
+typedef UINT8                           EC_COMMAND;
+
+#define EC_COMMAND_UNKNOWN              ((EC_COMMAND) 0x00)
+#define EC_COMMAND_READ                 ((EC_COMMAND) 0x80)
+#define EC_COMMAND_WRITE                ((EC_COMMAND) 0x81)
+#define EC_COMMAND_QUERY                ((EC_COMMAND) 0x84)
+
+/*
+ * EC_STATUS:
+ * ----------
+ * The encoding of the EC status register is illustrated below.
+ * Note that a set bit (1) indicates the property is TRUE
+ * (e.g. if bit 0 is set then the output buffer is full).
+ * +-+-+-+-+-+-+-+-+
+ * |7|6|5|4|3|2|1|0|    
+ * +-+-+-+-+-+-+-+-+
+ *  | | | | | | | |
+ *  | | | | | | | +- Output Buffer Full (OBF)?
+ *  | | | | | | +--- Input Buffer Full (IBF)?
+ *  | | | | | +----- <reserved>
+ *  | | | | +------- data Register is command Byte?
+ *  | | | +--------- Burst Mode Enabled?
+ *  | | +----------- SCI event?
+ *  | +------------- SMI event?
+ *  +--------------- <Reserved>
+ *
+ */
+typedef UINT8                           EC_STATUS;
+
+#define EC_FLAG_OUTPUT_BUFFER           ((EC_STATUS) 0x01)
+#define EC_FLAG_INPUT_BUFFER            ((EC_STATUS) 0x02)
+#define EC_FLAG_BURST_MODE              ((EC_STATUS) 0x10)
+#define EC_FLAG_SCI                     ((EC_STATUS) 0x20)
+
+/* 
+ * EC_EVENT:
+ * ---------
+ */
+typedef UINT8                           EC_EVENT;
+
+#define EC_EVENT_UNKNOWN                ((EC_EVENT) 0x00)
+#define EC_EVENT_NONE                   ((EC_EVENT) 0x00)
+#define EC_EVENT_OUTPUT_BUFFER_FULL		((EC_EVENT) 0x01)
+#define EC_EVENT_INPUT_BUFFER_EMPTY  	((EC_EVENT) 0x02)
+#define EC_EVENT_SCI                    ((EC_EVENT) 0x03)
+
+/*
+ * EC_REQUEST:
+ * -----------
+ */
+typedef struct
+{
+    EC_COMMAND              command;
+    UINT8                   address;
+    UINT8                   data;
+} EC_REQUEST;
+
+#endif  /* __EC_H__ */