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Merge tag 'v5.13-rc6' into usb-next
We want the usb fixes in here as well, and this resolves some merge
issues with:
drivers/usb/dwc3/debugfs.c
drivers/usb/dwc3/gadget.c
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
For ACPI devices we have a symmetric API to put them, so use it in the driver.
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20210607205007.71458-3-andy.shevchenko@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
devm_ioremap_resource() can return an error, add missed check for it.
Fixes: 43d596e322 ("usb: typec: intel_pmc_mux: Check the port status before connect")
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210607205007.71458-2-andy.shevchenko@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
device_get_next_child_node() bumps a reference counting of a returned variable.
We have to balance it whenever we return to the caller.
Fixes: 6701adfa96 ("usb: typec: driver for Intel PMC mux control")
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20210607205007.71458-1-andy.shevchenko@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Intel AlderLake(ADL) IOM has a different IOM port status offset than
Intel TigerLake.
Add a new ACPI ID for ADL and use the IOM port status offset as per
the platform.
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Azhar Shaikh <azhar.shaikh@intel.com>
Link: https://lore.kernel.org/r/20210601035843.71150-1-azhar.shaikh@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Warm reboot scenarios some times type C Mux driver gets Mux configuration
request as HPD=1,IRQ=1. In that scenario typeC Mux driver need to configure
Mux as follows as per IOM requirement:
(1). Confgiure Mux HPD = 1, IRQ = 0
(2). Configure Mux with HPD = 1, IRQ = 1
IOM expects TypeC Mux configuration as follows:
(1). HPD=1, IRQ=0
(2). HPD=1, IRQ=1
if IOM gets mux config request (2) without configuring (1), it will ignore
the request. The impact of this is there is no DP_alt mode display.
Fixes: 43d596e322 ("usb: typec: intel_pmc_mux: Check the port status before connect")
Cc: stable@vger.kernel.org
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Madhusudanarao Amara <madhusudanarao.amara@intel.com>
Link: https://lore.kernel.org/r/20201216140918.49197-1-madhusudanarao.amara@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
USB4 specification chapter 3 indicates that cable data rates have to be
rounded for USB4 device to operate as USB4.
With that configure cable generation value to use rounded data rates for
USB4.
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Utkarsh Patel <utkarsh.h.patel@intel.com>
Link: https://lore.kernel.org/r/20201209042408.23079-2-utkarsh.h.patel@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When Intel PMC Mux agent driver receives the response message from PMC, it
checks for the same response bits for all the mux states.
Corrected it by checking correct response message bits, Bit 8 & 9 for the
SAFE Mode and Alternate Modes and Bit 16 & 17 for the Connect and
Disconnect Modes.
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Utkarsh Patel <utkarsh.h.patel@intel.com>
Link: https://lore.kernel.org/r/20201203220813.16281-1-utkarsh.h.patel@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Thunderbolt cable generation bits received as a part of Thunderbolt 3 cable
discover mode VDO needs to be configured for Thunderbolt rounded and
non-rounded cable support in the Thunderbolt alternate mode.
Signed-off-by: Utkarsh Patel <utkarsh.h.patel@intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
--
Changes in v2:
- No change.
--
Link: https://lore.kernel.org/r/20201113202503.6559-4-utkarsh.h.patel@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Check and return if there are errors. The response bits are valid
only on no errors.
Fixes: b7404a29cd ("usb: typec: intel_pmc_mux: Definitions for response status bits")
Signed-off-by: Madhusudanarao Amara <madhusudanarao.amara@intel.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20200916091102.27118-4-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The SoC expects the USB Type-C ports numbers to be starting with 0.
If the port number is passed as it is, the IOM status will not be
updated. The IOM port status check fails which will eventually
lead to PMC IPC communication failure.
Fixes: 43d596e322 ("usb: typec: intel_pmc_mux: Check the port status before connect")
Suggested-by: Utkarsh Patel <utkarsh.h.patel@intel.com>
Signed-off-by: Azhar Shaikh <azhar.shaikh@intel.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20200916091102.27118-3-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This adds support for device data role, and data role
swapping. The driver no longer relies on the cached role, as
it may not be valid (for example after bootup). Instead, the
role is always checked by readding the port status from IOM.
Note. After this, the orientation is always only cached, so
the driver does not support scenario where the role is set
before orientation. It means the typec drivers must always
set the orientation first before role.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Rajmohan Mani <rajmohan.mani@intel.com>
Reviewed-by: Utkarsh Patel <utkarsh.h.patel@intel.com>
Tested-by: Utkarsh Patel <utkarsh.h.patel@intel.com>
Link: https://lore.kernel.org/r/20200907142428.35838-3-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The PMC microcontroller that we use for configuration, does
not supply any status information back. For port status we
need to talk to another controller on the board called IOM
(I/O manager).
By checking the port status before configuring the muxes, we
can make sure that we do not reconfigure the port after
bootup when the system firmware (for example BIOS) has
already configured it.
Using the status information also to check if DisplayPort
HPD is still asserted when the cable plug is disconnected,
and clearing it if it is.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Rajmohan Mani <rajmohan.mani@intel.com>
Reviewed-by: Utkarsh Patel <utkarsh.h.patel@intel.com>
Tested-by: Utkarsh Patel <utkarsh.h.patel@intel.com>
Link: https://lore.kernel.org/r/20200907142428.35838-2-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
According to the PMC Type C Subsystem (TCSS) Mux programming guide rev
0.7, bits 4 and 5 are reserved in Alternate modes.
SBU Orientation and HSL Orientation needs to be configured only during
initial cable detection in USB connect flow based on device property of
"sbu-orientation" and "hsl-orientation".
Configuring these reserved bits in the Alternate modes may result in delay
in display link training or some unexpected behaviour.
So do not configure them while issuing Alternate Mode requests.
Fixes: ff4a30d5e2 ("usb: typec: mux: intel_pmc_mux: Support for static SBU/HSL orientation")
Signed-off-by: Utkarsh Patel <utkarsh.h.patel@intel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20200907142152.35678-3-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
According to the PMC Type C Subsystem (TCSS) Mux programming guide rev
0.7, bit 14 is reserved in Alternate mode.
In DP Alternate Mode state, if the HPD_STATE (bit 7) field in the
status update command VDO is set to HPD_HIGH, HPD is configured via
separate HPD mode request after configuring DP Alternate mode request.
Configuring reserved bit may show unexpected behaviour.
So do not configure them while issuing the Alternate Mode request.
Fixes: 7990be48ef ("usb: typec: mux: intel: Handle alt mode HPD_HIGH")
Cc: stable@vger.kernel.org
Signed-off-by: Utkarsh Patel <utkarsh.h.patel@intel.com>
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20200907142152.35678-2-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
When pmc_usb_mux_set() is invoked when a device is disconnected, a valid
scenario is for state->alt == NULL and state->mode == TYPEC_STATE_USB.
In such cases, if a pmc_usb_disconnect() has already been issued (from
either pmc_usb_set_orientation() when orientation ==
TYPEC_ORIENTATION_NONE, or pmc_usb_set_role() when role ==
USB_ROLE_NONE), a pmc_usb_connect() will be issued despite no peripheral
being present.
This confuses the PMC and leads to all subsequent PMC IPC requests
returning errors due to timeout.
To prevent this, return early if the port orientation or role is already
set to none.
Cc: Benson Leung <bleung@chromium.org>
Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Rajmohan Mani <rajmohan.mani@intel.com>
Fixes: f3c1c41ebc ("usb: typec: intel_pmc_mux: Add support for USB4")
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Link: https://lore.kernel.org/r/20200709002441.1309189-1-pmalani@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The PMC mux-agent can be used also to enter USB4 mode. The
mux-agent does not have USB4 specific message, but it can be
put into the TBT3 alternate mode also with USB4. That is OK
because the controller is in any case the same with TBT3 and
USB4.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20200701115618.22482-5-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Adding definitions for the two status bits that we have in
the command response data structure.
Also, from now on only considering the second status bit,
which tells was the failure fatal or not, if the first bit
is set. If the first bit is not set, then the command was
successful, and we need to ignore the second bit.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20200701115618.22482-4-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The PMC needs to be notified separately about HPD (hotplug
detected) signal being high after mode entry. There is a bit
"HPD High" in the Alternate Mode Request that the driver
already sets, but that bit is only valid when the
DisplayPort Alternate Mode is directly entered from
disconnected state.
Fixes: 5c4edcdbcd ("usb: typec: mux: intel: Fix DP_HPD_LVL bit field")
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: stable <stable@vger.kernel.org>
Tested-by: Prashant Malani <pmalani@chromium.org>
Link: https://lore.kernel.org/r/20200529131753.15587-1-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Here are the large set of USB and PHY driver updates for 5.8-rc1.
Nothing huge, just lots of little things:
- USB gadget fixes and additions all over the place
- new PHY drivers
- PHY driver fixes and updates
- XHCI driver updates
- musb driver updates
- more USB-serial driver ids added
- various USB quirks added
- thunderbolt minor updates and fixes
- typec updates and additions
Full details are in the shortlog.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/PHY driver updates from Greg KH:
"Here are the large set of USB and PHY driver updates for 5.8-rc1.
Nothing huge, just lots of little things:
- USB gadget fixes and additions all over the place
- new PHY drivers
- PHY driver fixes and updates
- XHCI driver updates
- musb driver updates
- more USB-serial driver ids added
- various USB quirks added
- thunderbolt minor updates and fixes
- typec updates and additions
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-5.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (245 commits)
usb: dwc3: meson-g12a: fix USB2 PHY initialization on G12A and A1 SoCs
usb: dwc3: meson-g12a: fix error path when fetching the reset line fails
Revert "dt-bindings: usb: qcom,dwc3: Convert USB DWC3 bindings"
Revert "dt-bindings: usb: qcom,dwc3: Add compatible for SC7180"
Revert "dt-bindings: usb: qcom,dwc3: Introduce interconnect properties for Qualcomm DWC3 driver"
USB: serial: ch341: fix lockup of devices with limited prescaler
USB: serial: ch341: add basis for quirk detection
CDC-ACM: heed quirk also in error handling
USB: serial: option: add Telit LE910C1-EUX compositions
usb: musb: Fix runtime PM imbalance on error
usb: musb: jz4740: Prevent lockup when CONFIG_SMP is set
usb: musb: mediatek: add reset FADDR to zero in reset interrupt handle
usb: musb: use true for 'use_dma'
usb: musb: start session in resume for host port
usb: musb: return -ESHUTDOWN in urb when three-strikes error happened
USB: serial: qcserial: add DW5816e QDL support
thunderbolt: Add trivial .shutdown
usb: dwc3: keystone: Turn on USB3 PHY before controller
dt-bindings: usb: ti,keystone-dwc3.yaml: Add USB3.0 PHY property
dt-bindings: usb: convert keystone-usb.txt to YAML
...
* Add a support of the media keys on the ASUS laptop UX325JA/UX425JA
* ASUS WMI driver can now handle 2-in-1 models T100TA, T100CHI, T100HA, T200TA
* Big refactoring of Intel SCU driver with Elkhart Lake support has been added
* Slim Bootloarder firmware update signaling WMI driver has been added
* Thinkpad ACPI driver can handle dual fan configuration on new P and X models
* Touchscreen DMI driver has been extended to support
- MP-man MPWIN895CL tablet
- ONDA V891 v5 tablet
- techBite Arc 11.6
- Trekstor Twin 10.1
- Trekstor Yourbook C11B
- Vinga J116
* Virtual Button driver got a few fixes to detect mode of 2-in-1 tablet models
* Intel Speed Select tools update
* Plenty of small cleanups here and there
The following is an automated git shortlog grouped by driver:
acerhdf:
- replace space by * in modalias
New drivers:
- Add Elkhart Lake SCU/PMC support
- Add Slim Bootloader firmware update signaling driver
asus-laptop:
- Drop duplicate check for led_classdev_unregister()
asus-nb-wmi:
- Revert "Do not load on Asus T100TA and T200TA"
- Do not load on Asus T100TA and T200TA
asus-wmi:
- Ignore WMI events with code 0x79
- Add support for SW_TABLET_MODE
- Move asus_wmi_input_init and _exit lower in the file
- Drop duplicate check for led_classdev_unregister()
- Reserve more space for struct bias_args
- remove redundant initialization of variable status
dcdbas:
- Check SMBIOS for protected buffer address
dell-laptop:
- don't register micmute LED if there is no token
dell-wmi:
- Ignore keyboard attached / detached events
device property:
- export set_secondary_fwnode() to modules
eeepc-laptop:
- Drop duplicate check for led_classdev_unregister()
hp-wmi:
- Introduce HPWMI_POWER_FW_OR_HW as convenient shortcut
- Convert simple_strtoul() to kstrtou32()
- Refactor postcode_store() to follow standard patterns
intel_cht_int33fe:
- Fix spelling issues
- Switch to use acpi_dev_hid_uid_match()
- Convert to use set_secondary_fwnode()
- Convert software node array to group
intel-hid:
- Add a quirk to support HP Spectre X2 (2015)
intel_mid_powerbtn:
- Convert to use new SCU IPC API
intel_pmc_core:
- avoid unused-function warnings
- Change Jasper Lake S0ix debug reg map back to ICL
intel_pmc_ipc:
- Convert to MFD
- Move PCI IDs to intel_scu_pcidrv.c
- Drop intel_pmc_ipc_command()
- Start using SCU IPC
intel_scu_ipc:
- Add managed function to register SCU IPC
- Introduce new SCU IPC API
- Move legacy SCU IPC API to a separate header
- Log more information if SCU IPC command fails
- Split out SCU IPC functionality from the SCU driver
intel_scu_ipcutil:
- Convert to use new SCU IPC API
intel-speed-select:
- Fix speed-select-base-freq-properties output on CLX-N
intel_telemetry:
- Add telemetry_get_pltdata()
- Convert to use new SCU IPC API
intel-vbtn:
- Only blacklist SW_TABLET_MODE on the 9 / "Laptop" chasis-type
- Detect switch position before registering the input-device
- Move detect_tablet_mode() to higher in the file
- Fix probe failure on devices with only switches
- Also handle tablet-mode switch on "Detachable" and "Portable" chassis-types
- Do not advertise switches to userspace if they are not there
- Split keymap into buttons and switches parts
- Use acpi_evaluate_integer()
ISST:
- Increase timeout
lg-laptop:
- Drop duplicate check for led_classdev_unregister()
MAINTAINERS:
- Add me as maintainer of Intel SCU drivers
- Update entry for Intel Broxton PMC driver
Merges of immutable branches:
- Merge branch 'for-next'
- Merge branch 'ib-mfd-x86-usb-watchdog-v5.7'
- Merge branch 'ib-pdx86-properties'
mfd:
- intel_soc_pmic_mrfld: Convert to use new SCU IPC API
- intel_soc_pmic_bxtwc: Convert to use new SCU IPC API
- intel_soc_pmic: Add SCU IPC member to struct intel_soc_pmic
samsung-laptop:
- Drop duplicate check for led_classdev_unregister()
software node:
- Allow register and unregister software node groups
sony-laptop:
- Make resuming thermal profile safer
- SNC calls should handle BUFFER types
thinkpad_acpi:
- Replace custom approach by kstrtoint()
- Use strndup_user() in dispatch_proc_write()
- Replace next_cmd(&buf) with strsep(&buf, ",")
- Drop duplicate check for led_classdev_unregister()
- Remove always false 'value < 0' statement
- Add support for dual fan control
tools/power/x86/intel-speed-select:
- Fix invalid core mask
- Increase CPU count
- Fix json perf-profile output output
- Update version
- Enable clos for turbo-freq enable
- Fix CLX-N package information output
- Check support status before enable
- Change debug to error
toshiba_acpi:
- Drop duplicate check for led_classdev_unregister()
touchscreen_dmi:
- Update Trekstor Twin 10.1 entry
- Add info for the Trekstor Yourbook C11B
- Drop comma in terminator line
- add Vinga J116 touchscreen
- Add info for the ONDA V891 v5 tablet
- Add touchscreen info for techBite Arc 11.6.
- Add info for the MP-man MPWIN895CL tablet
usb:
- typec: mux: Convert the Intel PMC Mux driver to use new SCU IPC API
watchdog:
- iTCO: fix link error
- intel-mid_wdt: Convert to use new SCU IPC API
wmi:
- Describe function parameters
- Fix indentation in some cases
- Replace UUID redefinitions by their originals
x86/platform/intel-mid:
- Add empty stubs for intel_scu_devices_[create|destroy]()
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Merge tag 'platform-drivers-x86-v5.8-1' of git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver updates from Andy Shevchenko:
- Add a support of the media keys on the ASUS laptop UX325JA/UX425JA
- ASUS WMI driver can now handle 2-in-1 models T100TA, T100CHI, T100HA,
T200TA
- Big refactoring of Intel SCU driver with Elkhart Lake support has
been added
- Slim Bootloarder firmware update signaling WMI driver has been added
- Thinkpad ACPI driver can handle dual fan configuration on new P and X
models
- Touchscreen DMI driver has been extended to support
- MP-man MPWIN895CL tablet
- ONDA V891 v5 tablet
- techBite Arc 11.6
- Trekstor Twin 10.1
- Trekstor Yourbook C11B
- Vinga J116
- Virtual Button driver got a few fixes to detect mode of 2-in-1 tablet
models
- Intel Speed Select tools update
- Plenty of small cleanups here and there
* tag 'platform-drivers-x86-v5.8-1' of git://git.infradead.org/linux-platform-drivers-x86: (89 commits)
platform/x86: dcdbas: Check SMBIOS for protected buffer address
platform/x86: asus_wmi: Reserve more space for struct bias_args
platform/x86: intel-vbtn: Only blacklist SW_TABLET_MODE on the 9 / "Laptop" chasis-type
platform/x86: intel-hid: Add a quirk to support HP Spectre X2 (2015)
platform/x86: touchscreen_dmi: Update Trekstor Twin 10.1 entry
platform/x86: touchscreen_dmi: Add info for the Trekstor Yourbook C11B
platform/x86: hp-wmi: Introduce HPWMI_POWER_FW_OR_HW as convenient shortcut
platform/x86: hp-wmi: Convert simple_strtoul() to kstrtou32()
platform/x86: hp-wmi: Refactor postcode_store() to follow standard patterns
platform/x86: acerhdf: replace space by * in modalias
platform/x86: ISST: Increase timeout
tools/power/x86/intel-speed-select: Fix invalid core mask
tools/power/x86/intel-speed-select: Increase CPU count
tools/power/x86/intel-speed-select: Fix json perf-profile output output
platform/x86: dell-wmi: Ignore keyboard attached / detached events
platform/x86: dell-laptop: don't register micmute LED if there is no token
platform/x86: thinkpad_acpi: Replace custom approach by kstrtoint()
platform/x86: thinkpad_acpi: Use strndup_user() in dispatch_proc_write()
platform/x86: thinkpad_acpi: Replace next_cmd(&buf) with strsep(&buf, ",")
platform/x86: intel-vbtn: Detect switch position before registering the input-device
...
According to the PMC Type C Subsystem (TCSS) Mux programming guide rev
0.6, the PMC HPD request LVL bit field is bit 4.
Fix the definition here to match the programming guide.
Since this bit field is changing, explicitly define a field for the
HPD_HIGH mode data bit.
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Fixes: 6701adfa96 ("usb: typec: driver for Intel PMC mux control")
Reviewed-by: Benson Leung <bleung@chromium.org>
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20200511091837.102508-1-pmalani@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The SBU and HSL orientation may be fixed/static from the mux
PoW. Apparently the retimer may take care of the orientation
of these lines. Handling the static SBU (AUX) and HSL
orientation with device properties.
If the SBU orientation is static, a device property
"sbu-orintation" can be used. When the property exists, the
driver always sets the SBU orientation according to the
property value, and when it's not set, the driver uses the
cable plug orientation with SBU.
And with static HSL orientation, "hsl-orientation" device
property can be used in the same way.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20200507150900.12102-3-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
According to the PMC Type C Subsystem (TCSS) Mux programming guide rev
0.6, when a device is transitioning to DP Alternate Mode state, if the
HPD_STATE (bit 7) field in the status update command VDO is set to
HPD_HIGH, the HPD_HIGH field in the Alternate Mode request “mode_data”
field (bit 14) should also be set. Ensure the bit is correctly handled
while issuing the Alternate Mode request.
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Fixes: 6701adfa96 ("usb: typec: driver for Intel PMC mux control")
Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20200429054432.134178-1-pmalani@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The device property names for the port index number are
"usb2-port-number" and "usb3-port-number", not "usb2-port"
and "usb3-port".
Fixes: 6701adfa96 ("usb: typec: driver for Intel PMC mux control")
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20200430135657.45169-1-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Convert the driver to use the new SCU IPC API. This allows us to get rid
of the duplicate PMC IPC implementation which is now covered in SCU IPC
driver.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
The Intel PMC microcontroller on the latest Intel platforms
has a new function that allows configuration of the USB
Multiplexer/DeMultiplexer switches that are under the
control of the PMC.
The Intel PMC mux control (aka. mux-agent) can be used for
swapping the USB data role and for entering alternate modes,
DisplayPort or Thunderbolt3.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20200302135353.56659-10-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
