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For the commit of 9e45524a01, wakeup is
always disabled for Realtek devices. However, there's the capability
for Realtek devices to apply USB wakeup.
In this commit, remove WAKEUP_DISABLE feature for Realtek devices.
If users would switch wakeup, they should access
"/sys/bus/usb/.../power/wakeup"
In this commit, it also adds the feature as WAKEUP_AUTOSUSPEND
for Realtek devices because it should set do_remote_wakeup on autosuspend.
Signed-off-by: Max Chou <max.chou@realtek.com>
Tested-by: Hilda Wu <hildawu@realtek.com>
Reviewed-by: Archie Pusaka <apusaka@chromium.org>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Bluetooth on the BCM43752 needs a patchram file to function correctly.
Signed-off-by: Angus Ainslie <angus@akkea.ca>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Some USB BT adapters don't satisfy the MTU requirement mentioned in
commit e848dbd364 ("Bluetooth: btusb: Add support USB ALT 3 for WBS")
and have ALT 3 setting that produces no/garbled audio. Some adapters
with larger MTU were also reported to have problems with ALT 3.
Add a flag and check it and MTU before selecting ALT 3, falling back to
ALT 1. Enable the flag for Realtek, restoring the previous behavior for
non-Realtek devices.
Tested with USB adapters (mtu<72, no/garbled sound with ALT3, ALT1
works) BCM20702A1 0b05:17cb, CSR8510A10 0a12:0001, and (mtu>=72, ALT3
works) RTL8761BU 0bda:8771, Intel AX200 8087:0029 (after disabling
ALT6). Also got reports for (mtu>=72, ALT 3 reported to produce bad
audio) Intel 8087:0a2b.
Signed-off-by: Pauli Virtanen <pav@iki.fi>
Fixes: e848dbd364 ("Bluetooth: btusb: Add support USB ALT 3 for WBS")
Tested-by: Michał Kępień <kernel@kempniu.pl>
Tested-by: Jonathan Lampérth <jon@h4n.dev>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This patch combines the setting up MSFT extension for the legacy and TLV
based bootloader into the common function based on hw_variant.
Signed-off-by: Tedd Ho-Jeong An <tedd.an@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
From the ThP, it supports both legacy and TLV based HCI_Intel_Read_Version
command after downloading the operational firmware, and it causes the
driver to choose the wrong setup routines and missing firmware/ddc file.
So, as a workaround, this patch checks the fw variant from the TLV based
version, and if the device is legacy bootloader device, the legacy
HCI_Intel_Read_Version command is used to get the legacy version
information and run the legacy bootloader setup with it.
Signed-off-by: Tedd Ho-Jeong An <tedd.an@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This patch changes the exported functions to static if they are no
longer used by others.
Signed-off-by: Tedd Ho-Jeong An <tedd.an@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This patch moves the hci quirks for Intel devices into the setup
routines and cleaned up the driver flags.
Signed-off-by: Tedd Ho-Jeong An <tedd.an@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This patch refactors the setup routines for legacy and TLV based
bootloader devices to the combined setup, and move the related functions
from btusb to btintel.
Signed-off-by: Tedd Ho-Jeong An <tedd.an@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This patch adds a combined set_diag functions.
It also changes the btintel_set_diag_mfg() to static since it is no
longer used by others.
Signed-off-by: Tedd Ho-Jeong An <tedd.an@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Some platforms have an issue with BT LED when the interface is
down or BT radio is turned off, which takes 5 seconds to BT LED
goes off. This command turns off the BT LED immediately.
This patch sends the Intel vendor command to turn off the LED.
Signed-off-by: Tedd Ho-Jeong An <tedd.an@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
The some legacy ROM controllers have a bug with the first HCI command
sent to it returning number of completed commands as zero, which would
stall the command processing in the Bluetooth core.
As a workaround, send HCI Rest command first which will reset the
controller to fix the issue.
Signed-off-by: Tedd Ho-Jeong An <tedd.an@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This patch adds a data structure for btintel for btintel object, and the
definition of bootloder states. It also adds macros to set/test/clear
the flags.
Signed-off-by: Tedd Ho-Jeong An <tedd.an@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This patch refactors the setup routines for legacy ROM product into
combined setup, and move the related functions from btusb to btintel.
Signed-off-by: Tedd Ho-Jeong An <tedd.an@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
There are multiple setup and shutdown functions for Intel device and the
setup function to be used is depends on the USB PID/VID, which makes
difficult to maintain the code and increases the code size.
This patch adds combined setup and shutdown functions to provide a
single entry point for all Intel devices and choose the setup functions
based on the information read with HCI_Intel_Read_Version command.
Starting from TyP device, the command and response parameters for
HCI_Intel_Read_Version command are changed even though OCF remains
same. However, the legacy devices still can handle the command without
error even if it has a extra parameter, so to simplify the flow,
the new command format is used to read the version information for
both legacy and new (tlv based) format.
Also, it also adds a routine to setup the hdev callbacks in btintel.
Signed-off-by: Tedd Ho-Jeong An <tedd.an@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
When the firmware hang or command no response, driver can reset the
bluetooth mcu via USB to recovery it. The reset steps as follows.
1. Cancel USB transfer requests before reset.
2. It use speicific USB HW Register to reset Bluetooth MCU, at the
same time, the USB Endpoint0 still keep alive.
3. Poll the USB HW register until reset is completed by Endpoint0.
4. To recovery unexpected USB state and behavior during resetting the
Bluetooth MCU, the driver need to reset the USB device for MT7921.
5. After the reset is completed, the Bluetooth MCU need to re-setup,
such as download patch, power-on sequence and etc.
Signed-off-by: mark-yw.chen <mark-yw.chen@mediatek.com>
Reviewed-by: Michael Sun <michaelfsun@google.com>
Reviewed-by: Archie Pusaka <apusaka@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Kernel doc validator complains about few missed parameter descriptions.
Fill the gap by describing them.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
The Mdiatek MT7921(7961) support MSFT HCI extensions, we are using
0xFD30 for VsMsftOpCode.
Signed-off-by: mark-yw.chen <mark-yw.chen@mediatek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Turns out Hans de Goede completed the work I started last year trying to
improve Chinese-clone detection of CSR controller chips. Quirk after quirk
these Bluetooth dongles are more usable now.
Even after a few BlueZ regressions; these clones are so fickle that some
days they stop working altogether. Except on Windows, they work fine.
But this force-suspend initialization quirk seems to mostly do the trick,
after a lot of testing Bluetooth now seems to work *all* the time.
The only problem is that the solution ended up being masked under a very
stringent check; when there are probably hundreds of fake dongle
models out there that benefit from a good reset. Make it so.
Fixes: 81cac64ba2 ("Bluetooth: Deal with USB devices that are faking CSR vendor")
Fixes: cde1a8a992 ("Bluetooth: btusb: Fix and detect most of the Chinese Bluetooth controllers")
Fixes: d74e0ae7e0 ("Bluetooth: btusb: Fix detection of some fake CSR controllers with a bcdDevice val of 0x0134")
Fixes: 0671c06623 ("Bluetooth: btusb: Add workaround for remote-wakeup issues with Barrot 8041a02 fake CSR controllers")
Cc: stable@vger.kernel.org
Cc: Hans de Goede <hdegoede@redhat.com>
Tested-by: Ismael Ferreras Morezuelas <swyterzone@gmail.com>
Signed-off-by: Ismael Ferreras Morezuelas <swyterzone@gmail.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
The Intel TyphoonPeak, GarfieldPeak Bluetooth controllers
support the Microsoft vendor extension and they are using
0xFC1E for VsMsftOpCode.
Verified on a GarfieldPeak device through bluetoothctl show
Signed-off-by: Chethan T N <chethan.tumkur.narayan@intel.com>
Signed-off-by: Michael Sun <michaelfsun@google.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
The Qualcomm WCN6855 Bluetooth controller supports the Microsoft vendor
extension, enable them by setting VsMsftOpCode to 0xFD70.
Verified on a WCN6855 device through bluetoothctl show
Signed-off-by: Michael Sun <michaelfsun@google.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
strcpy() performs no bounds checking on the destination buffer. This
could result in linear overflows beyond the end of the buffer, leading
to all kinds of misbehaviors. The safe replacement is strscpy() but in
this case it is better to use the scnprintf to simplify the arithmetic.
This is a previous step in the path to remove the strcpy() function
entirely from the kernel.
Signed-off-by: Len Baker <len.baker@gmx.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Add the valid le states quirk for WCN6855 and GarfieldPeak controller
so the 'central-peripheral' role is exposed in userspace.
Signed-off-by: Michael Sun <michaelfsun@google.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This patch allows the controller to suspend after a short period of
inactivity.
Signed-off-by: Archie Pusaka <apusaka@chromium.org>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Reviewed-by: Hilda Wu <hildawu@realtek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
For chips that doesn't reset on suspend, we need to provide the correct
value of flow_control when it resumes. Therefore, store the flow
control value when reading from the config file to be reused upon
suspend.
Signed-off-by: Archie Pusaka <apusaka@chromium.org>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Reviewed-by: Hilda Wu <hildawu@realtek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Some RTL chips resets the FW on suspend, so wakeup is disabled on
those chips. This patch introduces this WAKEUP_DISABLE flag so that
chips that doesn't reset FW on suspend can leave the flag unset and
is allowed to wake the host.
This patch also left RTL8822 WAKEUP_DISABLE flag unset, therefore
allowing it to wake the host, and preventing reprobing on resume.
Signed-off-by: Archie Pusaka <apusaka@chromium.org>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Reviewed-by: Hilda Wu <hildawu@realtek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
kernel-doc complains about a non-kernel-doc comment that uses "/**"
to begin the comment, so change it to just "/*".
drivers/bluetooth/btrsi.c:2: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Copyright (c) 2017 Redpine Signals Inc.
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kernel test robot <lkp@intel.com>
Cc: Aditya Srivastava <yashsri421@gmail.com>
Cc: Marcel Holtmann <marcel@holtmann.org>
Cc: Johan Hedberg <johan.hedberg@gmail.com>
Cc: Luiz Augusto von Dentz <luiz.dentz@gmail.com>
Cc: linux-bluetooth@vger.kernel.org
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org
Cc: Prameela Rani Garnepudi <prameela.j04cs@gmail.com>
Cc: Sanjay Kumar Konduri <sanjay.konduri@redpinesignals.com>
Cc: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com>
Cc: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
When reading the support debug features failed, there are not available
features init. Continue to set the debug features is illogical, we should
skip btintel_set_debug_features(), even if check it by "if (!features)".
Fixes: c453b10c2b ("Bluetooth: btusb: Configure Intel debug feature based on available support")
Signed-off-by: Jun Miao <jun.miao@windriver.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
The hci_suspend_notifier which was introduced last year, is causing
problems for uart attached btrtl devices. These devices may loose their
firmware and their baudrate setting over a suspend/resume.
Since we don't even know the baudrate after a suspend/resume recovering
from this is tricky. The driver solves this by treating these devices
the same as USB BT HCIs which drop of the bus during suspend.
Specifically the driver:
1. Simply unconditionally turns the device fully off during
system-suspend to save maximum power.
2. Calls device_reprobe() from a workqueue to fully re-init the device
from scratch on system-resume (unregistering the old HCI and
registering a new HCI).
This means that these devices do not benefit from the suspend / resume
handling work done by the hci_suspend_notifier. At best this unnecessarily
adds some time to the suspend/resume time.
But in practice this is actually causing problems:
1. These btrtl devices seem to not like the HCI_OP_WRITE_SCAN_ENABLE(
SCAN_DISABLED) request being send to them when entering the
BT_SUSPEND_CONFIGURE_WAKE state. The same request send on
BT_SUSPEND_DISCONNECT works fine, but the second one send (unnecessarily?)
from the BT_SUSPEND_CONFIGURE_WAKE transition causes the device to hang:
[ 573.497754] PM: suspend entry (s2idle)
[ 573.554615] Filesystems sync: 0.056 seconds
[ 575.837753] Bluetooth: hci0: Timed out waiting for suspend events
[ 575.837801] Bluetooth: hci0: Suspend timeout bit: 4
[ 575.837925] Bluetooth: hci0: Suspend notifier action (3) failed: -110
2. The PM_POST_SUSPEND / BT_RUNNING transition races with the
driver-unbinding done by the device_reprobe() work.
If the hci_suspend_notifier wins the race it is talking to a dead
device leading to the following errors being logged:
[ 598.686060] Bluetooth: hci0: Timed out waiting for suspend events
[ 598.686124] Bluetooth: hci0: Suspend timeout bit: 5
[ 598.686237] Bluetooth: hci0: Suspend notifier action (4) failed: -110
In both cases things still work, but the suspend-notifier is causing
these ugly errors getting logged and ut increase both the suspend- and
the resume-time by 2 seconds.
This commit avoids these problems by disabling the hci_suspend_notifier.
Cc: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Cc: Vasily Khoruzhick <anarsoul@gmail.com>
Cc: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Here is the big set of tty and serial driver patches for 5.14-rc1.
A bit more than normal, but nothing major, lots of cleanups. Highlights
are:
- lots of tty api cleanups and mxser driver cleanups from Jiri
- build warning fixes
- various serial driver updates
- coding style cleanups
- various tty driver minor fixes and updates
- removal of broken and disable r3964 line discipline (finally!)
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 'tty-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty / serial updates from Greg KH:
"Here is the big set of tty and serial driver patches for 5.14-rc1.
A bit more than normal, but nothing major, lots of cleanups.
Highlights are:
- lots of tty api cleanups and mxser driver cleanups from Jiri
- build warning fixes
- various serial driver updates
- coding style cleanups
- various tty driver minor fixes and updates
- removal of broken and disable r3964 line discipline (finally!)
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (227 commits)
serial: mvebu-uart: remove unused member nb from struct mvebu_uart
arm64: dts: marvell: armada-37xx: Fix reg for standard variant of UART
dt-bindings: mvebu-uart: fix documentation
serial: mvebu-uart: correctly calculate minimal possible baudrate
serial: mvebu-uart: do not allow changing baudrate when uartclk is not available
serial: mvebu-uart: fix calculation of clock divisor
tty: make linux/tty_flip.h self-contained
serial: Prefer unsigned int to bare use of unsigned
serial: 8250: 8250_omap: Fix possible interrupt storm on K3 SoCs
serial: qcom_geni_serial: use DT aliases according to DT bindings
Revert "tty: serial: Add UART driver for Cortina-Access platform"
tty: serial: Add UART driver for Cortina-Access platform
MAINTAINERS: add me back as mxser maintainer
mxser: Documentation, fix typos
mxser: Documentation, make the docs up-to-date
mxser: Documentation, remove traces of callout device
mxser: introduce mxser_16550A_or_MUST helper
mxser: rename flags to old_speed in mxser_set_serial_info
mxser: use port variable in mxser_set_serial_info
mxser: access info->MCR under info->slock
...
The variable fw_ptr is assigned a value that is not read and the same value
is assigned in the patch goto. The assignment is redundant and can be
removed.
Addresses-Coverity: ("Unused value")
Signed-off-by: Nigel Christian <nigel.l.christian@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
The continue statement in the for-loop has no effect,
remove it.
Addresses-Coverity: ("Continue has no effect")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This is btsoc timing issue, after host start to downloading bt firmware,
ep2 need time to switch from function acl to function dfu, so host add
20ms delay as workaround.
Signed-off-by: Tim Jiang <tjiang@codeaurora.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
if boardID is 0, will use the default nvm file without surfix.
Signed-off-by: Tim Jiang <tjiang@codeaurora.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Using pm_runtime_resume_and_get is more appropriate
for simplifing code
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
According Realteks own BT drivers firmware RTL8761B is for UART
and RTL8761BU is for USB.
Change existing 8761B to UART and add an 8761BU entry for USB
Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@infinera.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
RTL8822 chipset supports WBS, and this information is conveyed in
btusb.c. However, the UART driver doesn't have this information just
yet.
Signed-off-by: Archie Pusaka <apusaka@chromium.org>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Because mSBC frames do not need to be aligned to the SCO packet
boundary. Using USB ALT 3 let HCI payload >= 60 bytes, let mSBC
data satisfy 60 Bytes avoid payload unaligned situation and fixed
some headset no voise issue.
USB Alt 3 supported also need HFP support transparent MTU in 72 Bytes.
Signed-off-by: Hilda Wu <hildawu@realtek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Moved extracting rom version info to common place as this code is
common in all if else ladder in qca_uart_setup.
Signed-off-by: Venkata Lakshmi Narayana Gubba <gubbaven@codeaurora.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
1. Added support to download firmware image with mbn type for wcn6750
as it supports mbn type image.
2. If mbn type image is not present then check for tlv type image.
3. Added debug logs for mbn type image.
Signed-off-by: Venkata Lakshmi Narayana Gubba <gubbaven@codeaurora.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Added regulators,GPIOs and changes required to power on/off wcn6750.
Added support for firmware download for wcn6750.
Changes done in detail:
1. Added regulators and corresponding current values.
2. Added sw_ctrl GPIO pin which is output from BT SoC and indicates
status of clock supply to BT SoC.
3. Added inline function to check if the SoC type is wcn6750.
4. Modified the function qca_wcn3990_init() to support wcn6750 and
renamed it to qca_regulator_init().
Signed-off-by: Venkata Lakshmi Narayana Gubba <gubbaven@codeaurora.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
