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authorTomas Winkler <tomas.winkler@intel.com>2013-01-09 01:07:17 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-01-09 04:40:45 +0400
commit9dc64d6a26b016df52d222abe9279a92d9f7cc4c (patch)
treea8874ec3719891551fa8472eb1e0ad27915fbb27 /drivers/misc/mei/hw-me.h
parent37e7d6e74f2e80196410f6e5c7533d99fe9aa9d1 (diff)
downloadlinux-9dc64d6a26b016df52d222abe9279a92d9f7cc4c.tar.xz
mei: rename interface to hw-me
Rename hw-me.h to hw-me-regs.h as this file contains only register definitions. Files hw-me.[ch] now contains ME hw dependant functionality Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei/hw-me.h')
-rw-r--r--drivers/misc/mei/hw-me.h181
1 files changed, 33 insertions, 148 deletions
diff --git a/drivers/misc/mei/hw-me.h b/drivers/misc/mei/hw-me.h
index a42b2a2bafa5..73bef545e4d5 100644
--- a/drivers/misc/mei/hw-me.h
+++ b/drivers/misc/mei/hw-me.h
@@ -1,167 +1,52 @@
-/******************************************************************************
- * Intel Management Engine Interface (Intel MEI) Linux driver
- * Intel MEI Interface Header
- *
- * This file is provided under a dual BSD/GPLv2 license. When using or
- * redistributing this file, you may do so under either license.
- *
- * GPL LICENSE SUMMARY
- *
- * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of version 2 of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
- * USA
- *
- * The full GNU General Public License is included in this distribution
- * in the file called LICENSE.GPL.
- *
- * Contact Information:
- * Intel Corporation.
- * linux-mei@linux.intel.com
- * http://www.intel.com
- *
- * BSD LICENSE
- *
- * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved.
- * All rights reserved.
+/*
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
+ * Intel Management Engine Interface (Intel MEI) Linux driver
+ * Copyright (c) 2003-2012, Intel Corporation.
*
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name Intel Corporation nor the names of its
- * contributors may be used to endorse or promote products derived
- * from this software without specific prior written permission.
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
*
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * This program is distributed in the hope 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.
*
- *****************************************************************************/
-#ifndef _MEI_HW_MEI_H_
-#define _MEI_HW_MEI_H_
-
-/*
- * MEI device IDs
*/
-#define MEI_DEV_ID_82946GZ 0x2974 /* 82946GZ/GL */
-#define MEI_DEV_ID_82G35 0x2984 /* 82G35 Express */
-#define MEI_DEV_ID_82Q965 0x2994 /* 82Q963/Q965 */
-#define MEI_DEV_ID_82G965 0x29A4 /* 82P965/G965 */
-
-#define MEI_DEV_ID_82GM965 0x2A04 /* Mobile PM965/GM965 */
-#define MEI_DEV_ID_82GME965 0x2A14 /* Mobile GME965/GLE960 */
-#define MEI_DEV_ID_ICH9_82Q35 0x29B4 /* 82Q35 Express */
-#define MEI_DEV_ID_ICH9_82G33 0x29C4 /* 82G33/G31/P35/P31 Express */
-#define MEI_DEV_ID_ICH9_82Q33 0x29D4 /* 82Q33 Express */
-#define MEI_DEV_ID_ICH9_82X38 0x29E4 /* 82X38/X48 Express */
-#define MEI_DEV_ID_ICH9_3200 0x29F4 /* 3200/3210 Server */
-#define MEI_DEV_ID_ICH9_6 0x28B4 /* Bearlake */
-#define MEI_DEV_ID_ICH9_7 0x28C4 /* Bearlake */
-#define MEI_DEV_ID_ICH9_8 0x28D4 /* Bearlake */
-#define MEI_DEV_ID_ICH9_9 0x28E4 /* Bearlake */
-#define MEI_DEV_ID_ICH9_10 0x28F4 /* Bearlake */
-#define MEI_DEV_ID_ICH9M_1 0x2A44 /* Cantiga */
-#define MEI_DEV_ID_ICH9M_2 0x2A54 /* Cantiga */
-#define MEI_DEV_ID_ICH9M_3 0x2A64 /* Cantiga */
-#define MEI_DEV_ID_ICH9M_4 0x2A74 /* Cantiga */
+#ifndef _MEI_INTERFACE_H_
+#define _MEI_INTERFACE_H_
-#define MEI_DEV_ID_ICH10_1 0x2E04 /* Eaglelake */
-#define MEI_DEV_ID_ICH10_2 0x2E14 /* Eaglelake */
-#define MEI_DEV_ID_ICH10_3 0x2E24 /* Eaglelake */
-#define MEI_DEV_ID_ICH10_4 0x2E34 /* Eaglelake */
+#include <linux/mei.h>
+#include "mei_dev.h"
-#define MEI_DEV_ID_IBXPK_1 0x3B64 /* Calpella */
-#define MEI_DEV_ID_IBXPK_2 0x3B65 /* Calpella */
-#define MEI_DEV_ID_CPT_1 0x1C3A /* Couger Point */
-#define MEI_DEV_ID_PBG_1 0x1D3A /* C600/X79 Patsburg */
-#define MEI_DEV_ID_PPT_1 0x1E3A /* Panther Point */
-#define MEI_DEV_ID_PPT_2 0x1CBA /* Panther Point */
-#define MEI_DEV_ID_PPT_3 0x1DBA /* Panther Point */
+void mei_read_slots(struct mei_device *dev,
+ unsigned char *buffer,
+ unsigned long buffer_length);
-#define MEI_DEV_ID_LPT 0x8C3A /* Lynx Point */
-#define MEI_DEV_ID_LPT_LP 0x9C3A /* Lynx Point LP */
-/*
- * MEI HW Section
- */
+int mei_write_message(struct mei_device *dev,
+ struct mei_msg_hdr *header,
+ unsigned char *buf);
-/* MEI registers */
-/* H_CB_WW - Host Circular Buffer (CB) Write Window register */
-#define H_CB_WW 0
-/* H_CSR - Host Control Status register */
-#define H_CSR 4
-/* ME_CB_RW - ME Circular Buffer Read Window register (read only) */
-#define ME_CB_RW 8
-/* ME_CSR_HA - ME Control Status Host Access register (read only) */
-#define ME_CSR_HA 0xC
+bool mei_hbuf_is_empty(struct mei_device *dev);
+int mei_hbuf_empty_slots(struct mei_device *dev);
-/* register bits of H_CSR (Host Control Status register) */
-/* Host Circular Buffer Depth - maximum number of 32-bit entries in CB */
-#define H_CBD 0xFF000000
-/* Host Circular Buffer Write Pointer */
-#define H_CBWP 0x00FF0000
-/* Host Circular Buffer Read Pointer */
-#define H_CBRP 0x0000FF00
-/* Host Reset */
-#define H_RST 0x00000010
-/* Host Ready */
-#define H_RDY 0x00000008
-/* Host Interrupt Generate */
-#define H_IG 0x00000004
-/* Host Interrupt Status */
-#define H_IS 0x00000002
-/* Host Interrupt Enable */
-#define H_IE 0x00000001
+static inline size_t mei_hbuf_max_data(const struct mei_device *dev)
+{
+ return dev->hbuf_depth * sizeof(u32) - sizeof(struct mei_msg_hdr);
+}
+/* get slots (dwords) from a message length + header (bytes) */
+static inline unsigned char mei_data2slots(size_t length)
+{
+ return DIV_ROUND_UP(sizeof(struct mei_msg_hdr) + length, 4);
+}
-/* register bits of ME_CSR_HA (ME Control Status Host Access register) */
-/* ME CB (Circular Buffer) Depth HRA (Host Read Access) - host read only
-access to ME_CBD */
-#define ME_CBD_HRA 0xFF000000
-/* ME CB Write Pointer HRA - host read only access to ME_CBWP */
-#define ME_CBWP_HRA 0x00FF0000
-/* ME CB Read Pointer HRA - host read only access to ME_CBRP */
-#define ME_CBRP_HRA 0x0000FF00
-/* ME Reset HRA - host read only access to ME_RST */
-#define ME_RST_HRA 0x00000010
-/* ME Ready HRA - host read only access to ME_RDY */
-#define ME_RDY_HRA 0x00000008
-/* ME Interrupt Generate HRA - host read only access to ME_IG */
-#define ME_IG_HRA 0x00000004
-/* ME Interrupt Status HRA - host read only access to ME_IS */
-#define ME_IS_HRA 0x00000002
-/* ME Interrupt Enable HRA - host read only access to ME_IE */
-#define ME_IE_HRA 0x00000001
+int mei_count_full_read_slots(struct mei_device *dev);
-#endif /* _MEI_HW_MEI_H_ */
+#endif /* _MEI_INTERFACE_H_ */