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35 Commits

Author SHA1 Message Date
Tomas Winkler
4afc339ef0 mei: me: add MEI device for KBP with ITPS capability 
Add device ID for Intel Kaby Point PCH (Kabylake) which has
Intel Precise Touch & Stylus IPTS (iTouch).

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20200619165121.2145330-6-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2020-06-29 18:40:26 +02:00
Tomas Winkler
372a829862 mei: me: add MEI device for SPT with ITPS capability 
Add device ID for Intel Sunrise Point PCH (Skylake) which has
Intel Precise Touch & Stylus IPTS (iTouch).

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20200619165121.2145330-5-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2020-06-29 18:40:26 +02:00
Tomas Winkler
4d3c6c8eb9 mei: me: make mei_me_fw_sku_sps_4() less cryptic 
Last add mei_me_fw_sku_sps_4() kdoc and add descriptive defines
for register name and values.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20200619165121.2145330-3-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2020-06-29 18:40:26 +02:00
Alexander Usyskin
8c289ea064 mei: me: add tiger lake point device ids for H platforms. 
Add Tiger Lake device ids H for HECI1.
TGH_H is also used in Tatlow SPS platform we need to
disable the mei interface there.

Cc: <stable@vger.kernel.org>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20200619165121.2145330-7-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2020-06-23 07:55:47 +02:00
Tomas Winkler
f76d77f50b mei: me: disable mei interface on Mehlow server platforms 
For SPS firmware versions 5.0 and newer the way detection has changed.
The detection is done now via PCI_CFG_HFS_3 register.
To prevent conflict the previous method will get sps_4 suffix
Disable both CNP_H and CNP_H_3 interfaces. CNP_H_3 requires
a separate configuration as it doesn't support DMA.

Cc: <stable@vger.kernel.org>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20200619165121.2145330-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2020-06-23 07:55:47 +02:00
Alexander Usyskin
99397d33b7 mei: me: add cedar fork device ids 
Add Cedar Fork (CDF) device ids, those belongs to the cannon point family.

Cc: <stable@vger.kernel.org>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20200324210730.17672-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2020-03-26 15:30:44 +01:00
Alexander Usyskin
c23df7de08 mei: fix CNL itouch device number to match the spec. 
The Cannon Lake device for itouch in HW spec is numbered 3, not 4.
Fix the internal numbering to match the HW spec.

Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20200227112737.8383-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2020-03-18 12:24:19 +01:00
Tomas Winkler
0db4a15d4c mei: me: add jasper point DID 
Add Jasper Point (Jasper Lake) device id for MEI

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200124001455.24176-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2020-01-24 09:33:58 +01:00
Tomas Winkler
559e575a89 mei: me: add comet point (lake) H device ids 
Add Comet Point device IDs for Comet Lake H platforms.

Cc: <stable@vger.kernel.org>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20200119094229.20116-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2020-01-22 10:01:01 +01:00
Alexander Usyskin
52f6efdf80 mei: add trc detection register to sysfs 
The glitch detection HW (TRC) save it status information into
TRC status register.
Make it available to user-space via read-only sysfs file.
The TRC register is availab for PCH15 gen and newer, for older
platforms reading the sysfs file will fail with EOPNOTSUPP.

Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20191107104445.19101-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-11-07 09:37:27 +01:00
Alexander Usyskin
82b29b9f72 mei: me: add comet point V device id 
Comet Point (Comet Lake) V device id.

Cc: <stable@vger.kernel.org>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20191105150514.14010-2-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-11-05 18:19:02 +01:00
Tomas Winkler
4d86dfd382 mei: me: add comet point (lake) LP device ids 
Add Comet Point devices IDs for Comet Lake U platforms.

Cc: <stable@vger.kernel.org>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20191001235958.19979-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-10-04 15:17:01 +02:00
Tomas Winkler
587f174077 mei: me: add Tiger Lake point LP device ID 
Add Tiger Lake Point device ID for TGP LP.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20190819103210.32748-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-08-28 22:30:15 +02:00
Alexander Usyskin
1be8624a0c mei: me: add mule creek canyon (EHL) device ids 
Add Mule Creek Canyon (PCH) MEI device ids for Elkhart Lake (EHL) Platform.

Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20190712095814.20746-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-07-24 11:28:09 +02:00
Tomas Winkler
1e55b609b9 mei: adjust the copyright notice in the files. 
Use unified version of the copyright notice in the files
Update copyright years according the year the files
were touched, except this patch and SPDX conversions.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-03-28 02:07:54 +09:00
Tomas Winkler
9fff0425aa mei: convert to SPDX license tags 
Replace boiler plate licenses texts with the SPDX license
identifiers in the mei files header.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-03-28 02:07:54 +09:00
Tomas Winkler
efe814e90b mei: me: add ice lake point device id. 
Add icelake mei device id.

Cc: <stable@vger.kernel.org>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-01-30 15:24:45 +01:00
Tomas Winkler
f7ee8ead15 mei: me: add denverton innovation engine device IDs 
Add the Denverton innovation engine (IE) device ids.
The IE is an ME-like device which provides HW security
offloading.

Cc: <stable@vger.kernel.org>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2019-01-13 15:45:42 +01:00
Tomas Winkler
2a4ac172c2 mei: me: add cannon point device ids for 4th device 
Add cannon point device ids for 4th (itouch) device.

Cc: <stable@vger.kernel.org> 4.14+
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2018-02-20 08:58:42 +01:00
Alexander Usyskin
f8f4aa68a8 mei: me: add cannon point device ids 
Add CNP LP and CNP H device ids for cannon lake
and coffee lake platforms.

Cc: <stable@vger.kernel.org> 4.14+
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2018-02-20 08:58:42 +01:00
Tomas Winkler
688cb67839 mei: me: add gemini lake devices id 
Add Gemini Lake (GLK) device id.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2017-10-04 11:25:09 +02:00
Tomas Winkler
9ff2007bea mei: me: add lewisburg device ids 
Add MEI Lewisburg PCH IDs for Purley based workstations.

Cc: <stable@vger.kernel.org> # 4.8.x
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2016-11-29 20:15:30 +01:00
Alexander Usyskin
ac182e8abc mei: me: add kaby point device ids 
Add device ids for Intel Kabypoint PCH (Kabylake)

Cc: <stable@vger.kernel.org> #4.6+
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2016-09-12 15:32:29 +02:00
Tomas Winkler
dd16f6cdeb mei: me: add broxton pci device ids 
Add device ids for Broxton SoC based devices.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2016-03-01 16:53:32 -08:00
Tomas Winkler
1625c7ec96 mei: me: add sunrise point device ids 
Add MEI devices ids for Intel Sunrisepoint Skylake (PCH)

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2015-08-03 17:33:55 -07:00
Alexander Usyskin
1fa55b4e0e mei: me: d0i3: enable d0i3 interrupts 
D0i3 adds additional interrupt reason bit, therefore we add a variable
intr_source to save the interrupt causes for further dispatching.
The interrupt cause is saved in the irq quick handler to achieve
unified behavior for both MSI enabled and shared interrupt platforms.

Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2015-08-03 17:33:54 -07:00
Alexander Usyskin
bb9f4d26dd mei: me: d0i3: add flag to indicate D0i3 support 
Detect d0i3 low power state during hw configuration,
the value is set in HFS_1 pci config reigister.

Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2015-08-03 17:33:54 -07:00
Tomas Winkler
11830486c5 mei: me: d0i3: add the control registers 
Starting with Intel Sunrisepoint (Skylake PCH) the MEI device
supports D0i3 low power state. Add D0i3 control registers.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2015-08-03 17:33:54 -07:00
Alexander Usyskin
edca5ea3ff mei: read and print all six FW status registers 
ME devices prior to PCH8 (Lynx Point) have two FW status registers,
on PCH8 and newer excluding txe there are six FW status registers.

Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2014-11-26 19:06:41 -08:00
Alexander Usyskin
d238a0ec8b mei: add WPT second mei interface 
Add WPT second mei interface.

Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2014-07-09 14:19:34 -07:00
Tomas Winkler
ad4d355b4b mei: me: introduce power gating registers 
LPT devices have internal power gating handled
through registers and hbm calls

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2014-05-03 19:20:23 -04:00
Tomas Winkler
5e6533a6f5 mei: me: do not load the driver if the FW doesn't support MEI interface 
NM and SPS  FW types that may run on ME device on server platforms
do not have valid MEI/HECI interface and driver should not
be bound to it as this might lead to system hung.
In practice not all BIOSes effectively hide such devices from the
OS and in some cases it is not possible.

We determine FW type by examining Host FW status registers in order to
unbind the driver.
In this patch we are adding check for ME on Cougar Point, Lynx Point
Devices

Cc: stable <stable@vger.kernel.org> # 3.10+
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Tested-by: Nikola Ciprich <nikola.ciprich@linuxbox.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2014-04-16 12:24:16 -07:00
Tomas Winkler
76a9635979 mei: add 9 series PCH mei device ids 
And Lynx Point H Refresh and Wildcat Point LP
device ids.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2013-12-05 09:48:23 -08:00
Tomas Winkler
838b3a6d62 mei: me: add Lynx Point Wellsburg work station device id 
add missing device id for LPT based work station

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 2013-10-16 12:36:09 -07:00
Tomas Winkler
9dc64d6a26 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>
 2013-01-08 16:40:45 -08:00