xref: /linux/drivers/misc/mei/hw-me-regs.h (revision dd16f6cdeb4e02a728863d3cf99aaab352f0d761)

/******************************************************************************
 * 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:
 *
 *  * 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 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.
 *
 *****************************************************************************/
#ifndef _MEI_HW_MEI_REGS_H_
#define _MEI_HW_MEI_REGS_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 */

#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 */

#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 */

#define MEI_DEV_ID_LPT_H      0x8C3A  /* Lynx Point H */
#define MEI_DEV_ID_LPT_W      0x8D3A  /* Lynx Point - Wellsburg */
#define MEI_DEV_ID_LPT_LP     0x9C3A  /* Lynx Point LP */
#define MEI_DEV_ID_LPT_HR     0x8CBA  /* Lynx Point H Refresh */

#define MEI_DEV_ID_WPT_LP     0x9CBA  /* Wildcat Point LP */
#define MEI_DEV_ID_WPT_LP_2   0x9CBB  /* Wildcat Point LP 2 */

#define MEI_DEV_ID_SPT        0x9D3A  /* Sunrise Point */
#define MEI_DEV_ID_SPT_2      0x9D3B  /* Sunrise Point 2 */
#define MEI_DEV_ID_SPT_H      0xA13A  /* Sunrise Point H */
#define MEI_DEV_ID_SPT_H_2    0xA13B  /* Sunrise Point H 2 */

#define MEI_DEV_ID_BXT_M      0x1A9A  /* Broxton M */
#define MEI_DEV_ID_APL_I      0x5A9A  /* Apollo Lake I */

/*
 * MEI HW Section
 */

/* Host Firmware Status Registers in PCI Config Space */
#define PCI_CFG_HFS_1         0x40
#  define PCI_CFG_HFS_1_D0I3_MSK     0x80000000
#define PCI_CFG_HFS_2         0x48
#define PCI_CFG_HFS_3         0x60
#define PCI_CFG_HFS_4         0x64
#define PCI_CFG_HFS_5         0x68
#define PCI_CFG_HFS_6         0x6C

/* 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
/* H_HGC_CSR - PGI register */
#define H_HPG_CSR  0x10
/* H_D0I3C - D0I3 Control  */
#define H_D0I3C    0x800

/* 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
/* Host D0I3 Interrupt Enable */
#define H_D0I3C_IE        0x00000020
/* Host D0I3 Interrupt Status */
#define H_D0I3C_IS        0x00000040

/* H_CSR masks */
#define H_CSR_IE_MASK     (H_IE | H_D0I3C_IE)
#define H_CSR_IS_MASK     (H_IS | H_D0I3C_IS)

/* 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 Power Gate Isolation Capability HRA  - host ready only access */
#define ME_PGIC_HRA       0x00000040
/* 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


/* H_HPG_CSR register bits */
#define H_HPG_CSR_PGIHEXR 0x00000001
#define H_HPG_CSR_PGI     0x00000002

/* H_D0I3C register bits */
#define H_D0I3C_CIP      0x00000001
#define H_D0I3C_IR       0x00000002
#define H_D0I3C_I3       0x00000004
#define H_D0I3C_RR       0x00000008

#endif /* _MEI_HW_MEI_REGS_H_ */