Commit Graph

96 Commits

Author SHA1 Message Date
Manish Mandlik ab4e4380d4 Bluetooth: Add vhci devcoredump support
Add devcoredump support for vhci that creates forcce_devcoredump debugfs
entry. This is used for mgmt-tester tests.

Signed-off-by: Manish Mandlik <mmandlik@google.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2023-04-23 21:58:21 -07:00
Arnd Bergmann 11e29b4a3f Bluetooth: NXP: select CONFIG_CRC8
The driver needs both CRC32 and CRC8 to link correctly:

ld: drivers/bluetooth/btnxpuart.o: in function `nxp_serdev_probe':
drivers/bluetooth/btnxpuart.c:1214: undefined reference to
`crc8_populate_msb'
ld: drivers/bluetooth/btnxpuart.o: in function `nxp_send_ack':
drivers/bluetooth/btnxpuart.c:559: undefined reference to `crc8'
ld: drivers/bluetooth/btnxpuart.c:559: undefined reference to `crc8'

Fixes: 3e662aa4453a ("Bluetooth: NXP: Add protocol support for NXP Bluetooth chipsets")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2023-04-23 21:56:11 -07:00
Neeraj Sanjay Kale 689ca16e52 Bluetooth: NXP: Add protocol support for NXP Bluetooth chipsets
This adds a driver based on serdev driver for the NXP BT serial protocol
based on running H:4, which can enable the built-in Bluetooth device
inside an NXP BT chip.

This driver has Power Save feature that will put the chip into sleep state
whenever there is no activity for 2000ms, and will be woken up when any
activity is to be initiated over UART.

This driver enables the power save feature by default by sending the vendor
specific commands to the chip during setup.

During setup, the driver checks if a FW is already running on the chip
by waiting for the bootloader signature, and downloads device specific FW
file into the chip over UART if bootloader signature is received..

Signed-off-by: Neeraj Sanjay Kale <neeraj.sanjaykale@nxp.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2023-04-23 21:51:55 -07:00
Sven Peter 8a06127602 Bluetooth: hci_bcm4377: Add new driver for BCM4377 PCIe boards
Broadcom BCM4377/4378/4387 are dual WiFi/Bluetooth boards found in Apple
machines. This driver adds support for the Bluetooth function which
exposes a shared memory IPC protocol over PCIe to tunnel HCI traffic.

Signed-off-by: Sven Peter <sven@svenpeter.dev>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2022-12-12 14:19:24 -08:00
Luiz Augusto von Dentz db11223571 Bluetooth: btusb: Default CONFIG_BT_HCIBTUSB_POLL_SYNC=y
poll_sync has been proven to fix races of USB data and event endpoints
so this enables it by default.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Tested-by: Tedd Ho-Jeong An <tedd.an@intel.com>
2022-12-12 14:19:24 -08:00
Luiz Augusto von Dentz bb1afb2955 Bluetooth: btusb: Add CONFIG_BT_HCIBTUSB_POLL_SYNC
This adds CONFIG_BT_HCIBTUSB_POLL_SYNC which can be used to set the
default behavior of Bluetooth USB controller with respect to poll
synchronization of its endpoits.

Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Tested-by: Tedd Ho-Jeong An <tedd.an@intel.com>
2022-12-12 14:19:24 -08:00
Sean Wang f5c3f98946 Bluetooth: btmtkuart: rely on BT_MTK module
Rely on btmtk module to reduce duplicated code

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2022-03-18 17:12:07 +01:00
Sean Wang 3a722044aa Bluetooth: btmtksido: rely on BT_MTK module
Rely on btmtk module to reduce duplicated code

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-10-25 15:36:23 +02:00
Sean Wang 8c0d17b6b0 Bluetooth: mediatek: add BT_MTK module
Add BT_MTK module that is a preliminary patch to introduce mt7921s support
to share the logic betweem btusb and btmtksdio.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2021-10-25 15:36:23 +02:00
Marcel Holtmann afd2daa26c Bluetooth: Add support for virtio transport driver
This adds support for Bluetooth HCI transport over virtio.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2021-04-08 12:26:34 +02:00
Max Chou 848fc61641 Bluetooth: hci_h5: btrtl: Add support for RTL8822C
Add new compatible and FW loading support for RTL8822C.

Signed-off-by: Max Chou <max.chou@realtek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2020-02-18 09:22:22 +01:00
Christophe JAILLET e22998f53a Bluetooth: Fix a typo in Kconfig
'internface' has an extra 'n'.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2020-02-16 13:29:58 +01:00
Sebastian Reichel 54976bc700 Bluetooth: btwilink: drop superseded driver
All users of this driver have been converted to the serdev based
hci_ll driver. The unused driver can be safely dropped now.

Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2019-10-16 21:12:52 +02:00
Sean Wang a1c49c434e Bluetooth: btusb: Add protocol support for MediaTek MT7668U USB devices
This adds the support of enabling MT7668U Bluetooth function running
on the top of btusb driver.

The information in /sys/kernel/debug/usb/devices about the Bluetooth
device is listed as the below.

T:  Bus=02 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#=  2 Spd=5000 MxCh= 0
D:  Ver= 3.00 Cls=ef(misc ) Sub=02 Prot=01 MxPS= 9 #Cfgs=  1
P:  Vendor=0e8d ProdID=7668 Rev= 1.00
S:  Manufacturer=MediaTek Inc.
S:  Product=Wireless_Device
S:  SerialNumber=000000000
C:* #Ifs= 3 Cfg#= 1 Atr=a0 MxPwr=160mA
A:  FirstIf#= 0 IfCount= 2 Cls=e0(wlcon) Sub=01 Prot=01
I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=81(I) Atr=03(Int.) MxPS=  16 Ivl=125us
E:  Ad=82(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E:  Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=   0 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=   0 Ivl=1ms
I:  If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=   9 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=   9 Ivl=1ms
I:  If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  17 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  17 Ivl=1ms
I:  If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  25 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  25 Ivl=1ms
I:  If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  33 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  33 Ivl=1ms
I:  If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  49 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  49 Ivl=1ms
I:  If#= 1 Alt= 6 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E:  Ad=83(I) Atr=01(Isoc) MxPS=  63 Ivl=1ms
E:  Ad=03(O) Atr=01(Isoc) MxPS=  63 Ivl=1ms

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2019-07-06 21:44:25 +02:00
Sascha Hauer be70e5e774 Bluetooth: hci_mrvl: Add serdev support
This adds serdev support to the Marvell hci uart driver. Only basic
serdev support, none of the fancier features like regulator or enable
GPIO support is added for now.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2019-07-06 12:53:56 +02:00
Tamás Szűcs 7362334054 Bluetooth: btmrvl: add support for SD8987 chipset
This patch adds support for Marvell 88W8987 chipset with SDIO interface.
Register offsets and supported feature flags are updated. The corresponding
firmware image file shall be "mrvl/sd8987_uapsta.bin".

Signed-off-by: Tamás Szűcs <tszucs@protonmail.ch>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2019-04-23 19:01:45 +02:00
Sean Wang 9aebfd4a22 Bluetooth: mediatek: add support for MediaTek MT7663S and MT7668S SDIO devices
This adds the support of enabling MT7663S and MT7668S SDIO-based
Bluetooth function.

There are quite many differences between MT766[3,8]S and standard
Bluetooth SDIO devices such as Type-A and Type-B devices. For example,
MT766[3,8]S have its own SDIO registers layout, definition, SDIO packet
format, and the specific flow should be programmed on them to complete
the device initialization and low power control and so on.

Currently, there are many independent programming sequences from the
transport which are exactly the same as the ones in btusb.c about MediaTek
support [1] and btmtkuart.c. We can try to split the transport independent
Bluetooth setups on the advance, place them into the common files and allow
varous transport drivers to reuse them in the future.

[1] http://lists.infradead.org/pipermail/linux-mediatek/2019-January/017074.html

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2019-04-23 18:09:07 +02:00
Hemantkumar Suthar 8c57983bf7 Bluetooth: btmrvl: add support for sd8977 chipset
This patch adds support for 8977 chipset to mwifiex with SDIO
interface. Register offsets and supported feature flags are
updated. Firmware image used will be mrvl/sd8977_uapsta.bin.

Signed-off-by: Hemantkumar Suthar <shemant@marvell.com>
Signed-off-by: Rakesh Parmar <rakeshp@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: Ganapathi Bhat <gbhat@marvell.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2019-01-22 09:51:20 +01:00
Hans de Goede 51474eff2b Bluetooth: Make BT_HCIUART_RTL configuration option depend on ACPI
At the moment we only support ACPI enumeration for serial port attached
RTL bluetooth controllers.

This commit adds a dependency on ACPI to the BT_HCIUART_RTL configuration
option, fixing the following warning when ACPI is not enabled:

drivers/bluetooth/hci_h5.c:920:22: warning: 'rtl_vnd' defined but not used

Cc: Arnd Bergmann <arnd@arndb.de>
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-08-21 16:36:12 +02:00
Marcel Holtmann b9763cdfd4 Bluetooth: Introduce BT_HCIUART_RTL configuration option
Like all the other UART protocols, introduce a configuration option for
Realtek based serial devices.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2018-08-09 20:48:10 +03:00
Sean Wang 7237c4c9ec Bluetooth: mediatek: Add protocol support for MediaTek serial devices
This adds a driver based on serdev driver for the MediaTek serial protocol
based on running H:4, which can enable the built-in Bluetooth device inside
MT7622 SoC.

Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-08-07 21:33:25 +02:00
Johan Hedberg 6c3711ec64 Bluetooth: h5: Fix missing dependency on BT_HCIUART_SERDEV
This driver was recently updated to use serdev, so add the appropriate
dependency. Without this one can get compiler warnings like this if
CONFIG_SERIAL_DEV_BUS is not enabled:

  CC [M]  drivers/bluetooth/hci_h5.o
drivers/bluetooth/hci_h5.c:934:36: warning: ‘h5_serdev_driver’ defined but not used [-Wunused-variable]
 static struct serdev_device_driver h5_serdev_driver = {
                                    ^~~~~~~~~~~~~~~~

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-08-04 23:23:32 +02:00
Thierry Escande 05ba533c5c Bluetooth: hci_qca: Add serdev support
Add support for Qualcomm serial slave devices. Probe the serial device,
retrieve its maximum speed and register a new hci uart device.

Signed-off-by: Thierry Escande <thierry.escande@linaro.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-05-18 06:37:51 +02:00
Marcel Holtmann 6f6f1eced8 Bluetooth: Remove unused btuart_cs driver
With patch 279c936153 the btuart_cs driver has been deprecated in
favor of serial_cs + hci_uart combination.

  static struct pcmcia_device_id btuart_ids[] = {
         /* don't use this driver. Use serial_cs + hci_uart instead */
         PCMCIA_DEVICE_NULL
  };

Intead of keeping it around, just remove it since it is not even
assigned to any PCMCIA identifiers anymore.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2018-04-01 14:25:32 +02:00
Marcel Holtmann 07eb96a5a7 Bluetooth: bpa10x: Use separate h4_recv_buf helper
When adding the alignment and padding support for H:4 packet processing
for the Nokia driver, it broke the h4_recv_buf usage within bpa10x
driver. To fix this use a separate helper function and placing it into a
dedicated h4_recv.h header file.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2018-04-01 14:25:32 +02:00
Marcel Holtmann f9d7c8fd26 Bluetooth: hci_ll: Convert to use h4_recv_buf helper
The HCILL or eHCILL protocol from TI is actually an H:4 protocol with a
few extra events and thus can also use the h4_recv_buf helper. Instead
of open coding the same funtionality add the extra events to the packet
description table and use h4_recv_buf.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Tested-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2018-04-01 14:25:32 +02:00
Arnd Bergmann 255dd5b79d Bluetooth: btrsi: rework dependencies
The linkage between the bluetooth driver and the wireless
driver is not defined properly, leading to build problems
such as:

warning: (BT_HCIRSI) selects RSI_COEX which has unmet direct dependencies (NETDEVICES && WLAN && WLAN_VENDOR_RSI && BT_HCIRSI && RSI_91X)
drivers/net/wireless/rsi/rsi_91x_main.o: In function `rsi_read_pkt':
(.text+0x205): undefined reference to `rsi_bt_ops'

As the dependency is actually the reverse (RSI_91X uses
the BT_RSI driver, not the other way round), this changes
the dependency to match, and enables the bluetooth driver
from the RSI_COEX symbol.

Fixes: 38aa4da504 ("Bluetooth: btrsi: add new rsi bluetooth driver")
Acked-by; Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-27 10:11:58 +03:00
Prameela Rani Garnepudi 38aa4da504 Bluetooth: btrsi: add new rsi bluetooth driver
Redpine bluetooth driver is a thin driver which depends on
'rsi_91x' driver for transmitting and receiving packets
to/from device. It creates hci interface when attach() is
called from 'rsi_91x' module.

Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Reviewed-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
2018-03-13 18:37:02 +02:00
Lukas Wunner a3a446c7c0 Bluetooth: Depend on rather than select GPIOLIB
Commit 27378f4c1b ("Bluetooth: Avoid WARN splat due to missing
GPIOLIB") amended Kconfig to select GPIOLIB if BT_HCIUART_NOKIA,
BT_HCIUART_INTEL or BT_HCIUART_BCM is enabled since all three drivers
require it to function.

The diagnosis was correct but the treatment was not.  As stated in
Documentation/gpio/consumer.txt:

    Guidelines for GPIOs consumers
    ==============================

    Drivers that can't work without standard GPIO calls should have
    Kconfig entries that depend on GPIOLIB.
                         ^^^^^^^^^
Fix it.

Reported-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-01-08 21:44:22 +01:00
Arnd Bergmann b71b25fed1 Bluetooth: hciuart: add nvmem dependency
When the hci support is built-in, but mvmem is a loadable module, we
get a link failure:

drivers/bluetooth/hci_ll.o: In function `hci_ti_probe':
hci_ll.c:(.text+0x226): undefined reference to `nvmem_cell_get'
hci_ll.c:(.text+0x238): undefined reference to `nvmem_cell_read'
hci_ll.c:(.text+0x244): undefined reference to `nvmem_cell_put'

This adds another Kconfig dependency to enforce valid configurations.

Fixes: 0e58d0cdb3 ("Bluetooth: hci_ll: Add optional nvmem BD address source")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-01-08 21:44:22 +01:00
Lukas Wunner 27378f4c1b Bluetooth: Avoid WARN splat due to missing GPIOLIB
Loading hci_bcm with CONFIG_GPIOLIB=n results in the following splat
when calling gpiod_to_irq() from bcm_get_resources():

    WARNING: CPU: 0 PID: 1006 at ./include/linux/gpio/consumer.h:450 bcm_get_resources+0x50/0x80
    CPU: 0 PID: 1006 Comm: kworker/u8:4 Tainted: G       A         4.15.0-rc4custom+ #4
    Hardware name: Apple Inc. MacBook8,1/Mac-BE0E8AC46FE800CC, BIOS MB81.88Z.0168.B00.1708080033 08/08/2017
    Call Trace:
    bcm_serdev_probe+0x8b/0xc0
    driver_probe_device+0x202/0x310
    __driver_attach+0x85/0x90
    ? driver_probe_device+0x310/0x310
    bus_for_each_dev+0x57/0x80
    async_run_entry_fn+0x2c/0xd0
    process_one_work+0x1d2/0x3d0
    worker_thread+0x26/0x3c0
    ? process_one_work+0x3d0/0x3d0
    kthread+0x10c/0x130
    ? kthread_create_on_node+0x40/0x40
    ret_from_fork+0x1f/0x30

We could call gpiod_to_irq() only if IS_ENABLED(CONFIG_GPIOLIB) but
without GPIOLIB, the driver's power saving features can't be used,
so selecting GPIOLIB seems more appropriate.

The same issue is present in hci_intel.c and hci_nokia.c, fix those up
as well.

Reported-by: Max Shavrick <mxms@me.com>
Signed-off-by: Lukas Wunner <lukas@wunner.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2017-12-26 21:53:45 +01:00
Hans de Goede e7232d184c Bluetooth: btusb: Fix BT_HCIBTUSB_AUTOSUSPEND Kconfig option name
Fix: drivers/bluetooth/Kconfig:35:warning: multi-line strings not
supported warning.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2017-12-13 00:28:41 +01:00
Hans de Goede eff2d68ca7 Bluetooth: btusb: Add a Kconfig option to enable USB autosuspend by default
On many laptops the btusb device is the only USB device not having USB
autosuspend enabled, this causes not only the HCI but also the USB
controller to stay awake, together using aprox. 0.4W of power.

Modern ultrabooks idle around 6W (at 50% screen brightness), 3.5W for
Apollo Lake devices. 0.4W is a significant chunk of this (7 / 11%).

The btusb driver already contains code to allow enabling USB autosuspend,
but currently leaves it up to the user / userspace to enable it. This
means that for most people it will not be enabled, leading to an
unnecessarily high power consumption.

Since enabling it is not entirely without risk of regressions, this
commit adds a Kconfig option so that Linux distributions can choose to
enable it by default. This commit also adds a module option so that when
distros receive bugs they can easily ask the user to disable it again
for easy debugging.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2017-12-13 00:28:40 +01:00
David S. Miller 2a171788ba Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Files removed in 'net-next' had their license header updated
in 'net'.  We take the remove from 'net-next'.

Signed-off-by: David S. Miller <davem@davemloft.net>
2017-11-04 09:26:51 +09:00
Greg Kroah-Hartman b24413180f License cleanup: add SPDX GPL-2.0 license identifier to files with no license
Many source files in the tree are missing licensing information, which
makes it harder for compliance tools to determine the correct license.

By default all files without license information are under the default
license of the kernel, which is GPL version 2.

Update the files which contain no license information with the 'GPL-2.0'
SPDX license identifier.  The SPDX identifier is a legally binding
shorthand, which can be used instead of the full boiler plate text.

This patch is based on work done by Thomas Gleixner and Kate Stewart and
Philippe Ombredanne.

How this work was done:

Patches were generated and checked against linux-4.14-rc6 for a subset of
the use cases:
 - file had no licensing information it it.
 - file was a */uapi/* one with no licensing information in it,
 - file was a */uapi/* one with existing licensing information,

Further patches will be generated in subsequent months to fix up cases
where non-standard license headers were used, and references to license
had to be inferred by heuristics based on keywords.

The analysis to determine which SPDX License Identifier to be applied to
a file was done in a spreadsheet of side by side results from of the
output of two independent scanners (ScanCode & Windriver) producing SPDX
tag:value files created by Philippe Ombredanne.  Philippe prepared the
base worksheet, and did an initial spot review of a few 1000 files.

The 4.13 kernel was the starting point of the analysis with 60,537 files
assessed.  Kate Stewart did a file by file comparison of the scanner
results in the spreadsheet to determine which SPDX license identifier(s)
to be applied to the file. She confirmed any determination that was not
immediately clear with lawyers working with the Linux Foundation.

Criteria used to select files for SPDX license identifier tagging was:
 - Files considered eligible had to be source code files.
 - Make and config files were included as candidates if they contained >5
   lines of source
 - File already had some variant of a license header in it (even if <5
   lines).

All documentation files were explicitly excluded.

The following heuristics were used to determine which SPDX license
identifiers to apply.

 - when both scanners couldn't find any license traces, file was
   considered to have no license information in it, and the top level
   COPYING file license applied.

   For non */uapi/* files that summary was:

   SPDX license identifier                            # files
   ---------------------------------------------------|-------
   GPL-2.0                                              11139

   and resulted in the first patch in this series.

   If that file was a */uapi/* path one, it was "GPL-2.0 WITH
   Linux-syscall-note" otherwise it was "GPL-2.0".  Results of that was:

   SPDX license identifier                            # files
   ---------------------------------------------------|-------
   GPL-2.0 WITH Linux-syscall-note                        930

   and resulted in the second patch in this series.

 - if a file had some form of licensing information in it, and was one
   of the */uapi/* ones, it was denoted with the Linux-syscall-note if
   any GPL family license was found in the file or had no licensing in
   it (per prior point).  Results summary:

   SPDX license identifier                            # files
   ---------------------------------------------------|------
   GPL-2.0 WITH Linux-syscall-note                       270
   GPL-2.0+ WITH Linux-syscall-note                      169
   ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause)    21
   ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)    17
   LGPL-2.1+ WITH Linux-syscall-note                      15
   GPL-1.0+ WITH Linux-syscall-note                       14
   ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause)    5
   LGPL-2.0+ WITH Linux-syscall-note                       4
   LGPL-2.1 WITH Linux-syscall-note                        3
   ((GPL-2.0 WITH Linux-syscall-note) OR MIT)              3
   ((GPL-2.0 WITH Linux-syscall-note) AND MIT)             1

   and that resulted in the third patch in this series.

 - when the two scanners agreed on the detected license(s), that became
   the concluded license(s).

 - when there was disagreement between the two scanners (one detected a
   license but the other didn't, or they both detected different
   licenses) a manual inspection of the file occurred.

 - In most cases a manual inspection of the information in the file
   resulted in a clear resolution of the license that should apply (and
   which scanner probably needed to revisit its heuristics).

 - When it was not immediately clear, the license identifier was
   confirmed with lawyers working with the Linux Foundation.

 - If there was any question as to the appropriate license identifier,
   the file was flagged for further research and to be revisited later
   in time.

In total, over 70 hours of logged manual review was done on the
spreadsheet to determine the SPDX license identifiers to apply to the
source files by Kate, Philippe, Thomas and, in some cases, confirmation
by lawyers working with the Linux Foundation.

Kate also obtained a third independent scan of the 4.13 code base from
FOSSology, and compared selected files where the other two scanners
disagreed against that SPDX file, to see if there was new insights.  The
Windriver scanner is based on an older version of FOSSology in part, so
they are related.

Thomas did random spot checks in about 500 files from the spreadsheets
for the uapi headers and agreed with SPDX license identifier in the
files he inspected. For the non-uapi files Thomas did random spot checks
in about 15000 files.

In initial set of patches against 4.14-rc6, 3 files were found to have
copy/paste license identifier errors, and have been fixed to reflect the
correct identifier.

Additionally Philippe spent 10 hours this week doing a detailed manual
inspection and review of the 12,461 patched files from the initial patch
version early this week with:
 - a full scancode scan run, collecting the matched texts, detected
   license ids and scores
 - reviewing anything where there was a license detected (about 500+
   files) to ensure that the applied SPDX license was correct
 - reviewing anything where there was no detection but the patch license
   was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied
   SPDX license was correct

This produced a worksheet with 20 files needing minor correction.  This
worksheet was then exported into 3 different .csv files for the
different types of files to be modified.

These .csv files were then reviewed by Greg.  Thomas wrote a script to
parse the csv files and add the proper SPDX tag to the file, in the
format that the file expected.  This script was further refined by Greg
based on the output to detect more types of files automatically and to
distinguish between header and source .c files (which need different
comment types.)  Finally Greg ran the script using the .csv files to
generate the patches.

Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-02 11:10:55 +01:00
Arnd Bergmann 05e89fb576 Bluetooth: BT_HCIUART now depends on SERIAL_DEV_BUS
It is no longer possible to build BT_HCIUART into the kernel
when SERIAL_DEV_BUS is a loadable module, even if none of the
SERIAL_DEV_BUS based implementations are selected:

drivers/bluetooth/hci_ldisc.o: In function `hci_uart_set_flow_control':
hci_ldisc.c:(.text+0xb40): undefined reference to `serdev_device_set_flow_control'
hci_ldisc.c:(.text+0xb5c): undefined reference to `serdev_device_set_tiocm'

This adds a dependency to avoid the broken configuration.

Fixes: 7841d55480 ("Bluetooth: hci_uart_set_flow_control: Fix NULL deref when using serdev")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2017-10-11 20:09:37 +02:00
Johan Hovold 4294625e02 Bluetooth: avoid silent hci_bcm ACPI PM regression
The hci_bcm platform-device hack which was used to implement
power management for ACPI devices is being replaced by a
serial-device-bus implementation.

Unfortunately, when the corresponding change to the ACPI code lands (a
change that will stop enumerating and registering the serial-device-node
child as a platform device) PM will break silently unless serdev
TTY-port controller support has been enabled. Specifically, hciattach
(btattach) would still succeed, but power management would no longer
work.

Although this is strictly a runtime dependency, let's make the driver
depend on SERIAL_DEV_CTRL_TTYPORT, which is the particular serdev
controller implementation used by the ACPI devices currently managed by
this driver, to avoid breaking PM without anyone noticing.

Note that the driver already has a (build-time) dependency on the serdev
bus code.

Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2017-10-10 10:06:26 +02:00
Loic Poulain 33cd149e76 Bluetooth: hci_bcm: Add serdev support
Add basic support for Broadcom serial slave devices.
Probe the serial device, retrieve its maximum speed and
register a new hci uart device.

Tested/compatible with bcm43438 (RPi3).

Signed-off-by: Loic Poulain <loic.poulain@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2017-08-17 21:44:55 +02:00
Marcel Holtmann 6a48542091 Bluetooth: hci_nokia: select BT_BCM for btbcm_set_bdaddr()
The Nokia devices require the setup of its Public Bluetooth Device
Address and for that it is required to depend on vendor specific
commands. For Broadcom based Nokia devices, that is part of btbcm
module and can be selected via BT_BCM config option.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2017-07-24 21:44:20 +03:00
Tobias Regnery c42c88e6c8 Bluetooth: hci_nokia: select BT_HCIUART_H4
We see the following build failure with CONFIG_BT_HCIUART_NOKIA=y and
CONFIG_BT_HCIUART_H4=n:

drivers/bluetooth/hci_nokia.c: In function 'nokia_recv':
drivers/bluetooth/hci_nokia.c:644:18: error: implicit declaration of function 'h4_recv_buf' [-Werror=implicit-function-declaration]
...

Fix this by selecting the BT_HCIUART_H4 symbol like all the other users
of the protocoll.

Fixes: 7bb318680e ("Bluetooth: add nokia driver")
Signed-off-by: Tobias Regnery <tobias.regnery@gmail.com>
Reviewed-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2017-05-18 13:59:05 +02:00
Tobias Regnery 76c4969fec Bluetooth: hci_uart: fix kconfig dependency
We see the following link error with CONFIG_BT_HCIUART=y,
CONFIG_BT_HCIUART_LL=y and CONFIG_SERIAL_DEV_BUS=m:

drivers/built-in.o: In function 'll_close':
supp.c:(.text+0x55add4): undefined reference to 'serdev_device_close'
supp.c:(.text+0x55add4): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol 'serdev_device_close'
drivers/built-in.o: In function 'll_open':
supp.c:(.text+0x55aed0): undefined reference to 'serdev_device_open'
supp.c:(.text+0x55aed0): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol 'serdev_device_open'
drivers/built-in.o: In function `hci_ti_probe':
supp.c:(.text+0x55b00c): undefined reference to 'hci_uart_register_device'
supp.c:(.text+0x55b00c): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol 'hci_uart_register_device'
drivers/built-in.o: In function `ll_setup':
supp.c:(.text+0x55b08c): undefined reference to 'serdev_device_set_flow_control'
supp.c:(.text+0x55b08c): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol 'serdev_device_set_flow_control'
supp.c:(.text+0x55b324): undefined reference to 'serdev_device_set_baudrate'
supp.c:(.text+0x55b324): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol 'serdev_device_set_baudrate'
drivers/built-in.o: In function 'll_init':
supp.c:(.init.text+0x1b508): undefined reference to '__serdev_device_driver_register'
supp.c:(.init.text+0x1b508): relocation truncated to fit: R_AARCH64_CALL26 against undefined symbol '__serdev_device_driver_register'

Fix this by dependig BT_HCIUART_LL on the BT_HCIUART_SERDEV symbol.
This implies a dependency on BT_HCIUART and hci_ll.c is only compiled in
if SERIAl_DEV_BUS is built in or SERIAL_DEV_BUS and BT_HCIUART are
modules.

Fixes: 371805522f ("bluetooth: hci_uart: add LL protocol serdev driver support")
Signed-off-by: Tobias Regnery <tobias.regnery@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2017-05-18 13:52:49 +02:00
Arnd Bergmann 1fb78fb6c6 Bluetooth: try to improve CONFIG_SERIAL_DEV_BUS dependency
With CONFIG_SERIAL_DEV_BUS=m, the hci_serdev.o file does not actually
get built into hci_uart.o as the Makefile doesn't pick it up, leading
to a link error with anything referring to it:

ERROR: "hci_uart_register_device" [drivers/bluetooth/hci_nokia.ko] undefined!
scripts/Makefile.modpost:91: recipe for target '__modpost' failed

Changing this in the Makefile would cause another problem when
hci_uart itself is built-in and cannot reference symbols from the
serdev module.

This tries to address both problems by introducing a new hidden
Kconfig symbol that controls both the compilation of hci_serdev.o
and whether the Nokia driver can be selected. This seems to address
the problem for me, though there might be a better way to do it.

Fixes: 7bb318680e ("Bluetooth: add nokia driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2017-04-22 10:28:40 +02:00
Sebastian Reichel 7bb318680e Bluetooth: add nokia driver
This adds a driver for the Nokia H4+ protocol, which is used
at least on the Nokia N9, N900 & N950.

Signed-off-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2017-04-13 10:32:23 +02:00
Bjorn Andersson 5052de8def soc: qcom: smd: Transition client drivers from smd to rpmsg
By moving these client drivers to use RPMSG instead of the direct SMD
API we can reuse them ontop of the newly added GLINK wire-protocol
support found in the 820 and 835 Qualcomm platforms.

As the new (RPMSG-based) and old SMD implementations are mutually
exclusive we have to change all client drivers in one commit, to make
sure we have a working system before and after this transition.

Acked-by: Andy Gross <andy.gross@linaro.org>
Acked-by: Kalle Valo <kvalo@codeaurora.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-28 17:58:07 -07:00
Arnd Bergmann 6e9e6cc8f4 Bluetooth: btqcomsmd: fix compile-test dependency
compile-testing fails when QCOM_SMD is a loadable module:

drivers/bluetooth/built-in.o: In function `btqcomsmd_send':
btqca.c:(.text+0xa8): undefined reference to `qcom_smd_send'
drivers/bluetooth/built-in.o: In function `btqcomsmd_probe':
btqca.c:(.text+0x3ec): undefined reference to `qcom_wcnss_open_channel'
btqca.c:(.text+0x46c): undefined reference to `qcom_smd_set_drvdata'

This clarifies the dependency to allow compile-testing only when
SMD is completely disabled, otherwise the dependency on QCOM_SMD
will make sure we can link against it.

Fixes: e27ee2b16b ("Bluetooth: btqcomsmd: Allow driver to build if COMPILE_TEST is enabled")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[bjorn: Restructure and clarify dependency to QCOM_WCNSS_CTRL]
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-03-22 19:22:04 -07:00
Javier Martinez Canillas e27ee2b16b Bluetooth: btqcomsmd: Allow driver to build if COMPILE_TEST is enabled
The driver only has runtime but no build time dependency with QCOM_SMD &&
QCOM_WCNSS_CTRL. So it can be built for testing purposes if COMPILE_TEST
option is enabled.

This is useful to have more build coverage and make sure that the driver
is not affected by changes that could cause build regressions.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2017-02-16 17:36:31 +01:00
Loic Poulain 162f812f23 Bluetooth: hci_uart: Add Marvell support
This patch introduces support for Marvell Bluetooth controller over
UART (8897 for now). In order to send the final firmware at full speed,
a helper firmware is firstly sent. Firmware download is driven by the
controller which sends request firmware packets (including expected
size).

This driver is a global rework of the one proposed by
Amitkumar Karwar <akarwar@marvell.com>.

Signed-off-by: Loic Poulain <loic.poulain@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19 20:32:03 +02:00
Arnd Bergmann 3d4e2fb641 Bluetooth: add WCNSS dependency for HCI driver
The newly added bluetooth driver is based on the soc-specific support,
but lacks the obvious compile-time dependency on that:

drivers/bluetooth/btqcomsmd.o: In function `btqcomsmd_probe':
btqcomsmd.c:(.text.btqcomsmd_probe+0x40): undefined reference to `qcom_wcnss_open_channel'
btqcomsmd.c:(.text.btqcomsmd_probe+0x5c): undefined reference to `qcom_wcnss_open_channel'
Makefile:969: recipe for target 'vmlinux' failed

Fixes: 90c107dc8b2c ("Bluetooth: Introduce Qualcomm WCNSS SMD based HCI driver")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19 20:19:34 +02:00
Bjorn Andersson 1511cc750c Bluetooth: Introduce Qualcomm WCNSS SMD based HCI driver
The Qualcomm WCNSS chip provides two SMD channels to the BT core; one
for command and one for event packets. This driver exposes the two
channels as a hci device.

Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-09-19 20:19:34 +02:00
Loic Poulain 395174bb07 Bluetooth: hci_uart: Add Intel/AG6xx support
This driver implements support for iBT2.1 Bluetooth controller embedded
in the AG620 communication combo. The controller needs to be configured
with bddata and can be patched with a binary patch file (pbn).
These operations are performed in manufacturing mode.

Signed-off-by: Loic Poulain <loic.poulain@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2016-02-24 16:34:23 +01:00