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2019-07-06Bluetooth: btusb: Add protocol support for MediaTek MT7668U USB devicesSean Wang1-0/+11
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>
2019-07-06Bluetooth: hci_mrvl: Add serdev supportSascha Hauer1-0/+1
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>
2019-04-23Bluetooth: btmrvl: add support for SD8987 chipsetTamás Szűcs1-2/+2
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>
2019-04-23Bluetooth: mediatek: add support for MediaTek MT7663S and MT7668S SDIO devicesSean Wang1-0/+11
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>
2019-01-22Bluetooth: btmrvl: add support for sd8977 chipsetHemantkumar Suthar1-2/+2
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>
2018-08-21Bluetooth: Make BT_HCIUART_RTL configuration option depend on ACPIHans de Goede1-0/+1
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>
2018-08-09Bluetooth: Introduce BT_HCIUART_RTL configuration optionMarcel Holtmann1-0/+13
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>
2018-08-07Bluetooth: mediatek: Add protocol support for MediaTek serial devicesSean Wang1-0/+11
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>
2018-08-04Bluetooth: h5: Fix missing dependency on BT_HCIUART_SERDEVJohan Hedberg1-0/+1
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>
2018-05-18Bluetooth: hci_qca: Add serdev supportThierry Escande1-0/+1
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>
2018-04-01Bluetooth: Remove unused btuart_cs driverMarcel Holtmann1-16/+0
With patch 279c936153199 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>
2018-04-01Bluetooth: bpa10x: Use separate h4_recv_buf helperMarcel Holtmann1-2/+1
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>
2018-04-01Bluetooth: hci_ll: Convert to use h4_recv_buf helperMarcel Holtmann1-0/+1
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>
2018-03-27Bluetooth: btrsi: rework dependenciesArnd Bergmann1-3/+1
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: 38aa4da50483 ("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>
2018-03-13Bluetooth: btrsi: add new rsi bluetooth driverPrameela Rani Garnepudi1-0/+12
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>
2018-01-08Bluetooth: Depend on rather than select GPIOLIBLukas Wunner1-3/+3
Commit 27378f4c1b92 ("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>
2018-01-08Bluetooth: hciuart: add nvmem dependencyArnd Bergmann1-0/+1
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: 0e58d0cdb3eb ("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>
2017-12-26Bluetooth: Avoid WARN splat due to missing GPIOLIBLukas Wunner1-0/+3
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>
2017-12-13Bluetooth: btusb: Fix BT_HCIBTUSB_AUTOSUSPEND Kconfig option nameHans de Goede1-1/+1
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>
2017-12-13Bluetooth: btusb: Add a Kconfig option to enable USB autosuspend by defaultHans de Goede1-0/+10
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>
2017-11-04Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller1-0/+1
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>
2017-11-02License cleanup: add SPDX GPL-2.0 license identifier to files with no licenseGreg Kroah-Hartman1-0/+1
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>
2017-10-11Bluetooth: BT_HCIUART now depends on SERIAL_DEV_BUSArnd Bergmann1-1/+1
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: 7841d554809b ("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>
2017-10-10Bluetooth: avoid silent hci_bcm ACPI PM regressionJohan Hovold1-0/+1
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>
2017-08-17Bluetooth: hci_bcm: Add serdev supportLoic Poulain1-0/+1
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>
2017-07-24Bluetooth: hci_nokia: select BT_BCM for btbcm_set_bdaddr()Marcel Holtmann1-0/+1
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>
2017-05-18Bluetooth: hci_nokia: select BT_HCIUART_H4Tobias Regnery1-0/+1
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: 7bb318680e86 ("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>
2017-05-18Bluetooth: hci_uart: fix kconfig dependencyTobias Regnery1-1/+1
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: 371805522f87 ("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>
2017-04-22Bluetooth: try to improve CONFIG_SERIAL_DEV_BUS dependencyArnd Bergmann1-1/+7
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: 7bb318680e86 ("Bluetooth: add nokia driver") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2017-04-13Bluetooth: add nokia driverSebastian Reichel1-0/+12
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>
2017-03-28soc: qcom: smd: Transition client drivers from smd to rpmsgBjorn Andersson1-1/+1
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>
2017-03-22Bluetooth: btqcomsmd: fix compile-test dependencyArnd Bergmann1-1/+2
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: e27ee2b16bad ("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>
2017-02-16Bluetooth: btqcomsmd: Allow driver to build if COMPILE_TEST is enabledJavier Martinez Canillas1-1/+1
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>
2016-09-19Bluetooth: hci_uart: Add Marvell supportLoic Poulain1-0/+11
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>
2016-09-19Bluetooth: add WCNSS dependency for HCI driverArnd Bergmann1-1/+1
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>
2016-09-19Bluetooth: Introduce Qualcomm WCNSS SMD based HCI driverBjorn Andersson1-0/+12
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>
2016-02-24Bluetooth: hci_uart: Add Intel/AG6xx supportLoic Poulain1-0/+11
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>
2015-10-21Bluetooth: bpa10x: fix BT_HCIUART dependencyArnd Bergmann1-2/+1
The change to bpa10x to use the h4_recv_buf helper added a dependency on BT_HCIUART. This was incorrectly added to Kconfig by adding a 'select' statement, which now in turn causes build failures when CONFIG_TTY is not set: warning: (BT_HCIBPA10X) selects BT_HCIUART which has unmet direct dependencies (NET && BT && TTY) vers/built-in.o: In function `hci_uart_tty_receive': fpga-mgr.c:(.text+0x282824): undefined reference to `tty_unthrottle' drivers/built-in.o: In function `hci_uart_tty_ioctl': fpga-mgr.c:(.text+0x282aa0): undefined reference to `n_tty_ioctl_helper' drivers/built-in.o: In function `hci_uart_flush': This replaces the 'select BT_HCIUART' dependency with 'depends on', which does not have this kind of problem. Alternatively, one could add 'depends on TTY', but avoiding 'select' on user-visible options is generally the preferred choice as that does not introduce the potential for dependency loops or incomplete dependency chains. Fixes: 91489919247a ("Bluetooth: bpa10x: Fix missing BT_HCIUART dependency") Fixes: 943cc592195e ("Bluetooth: bpa10x: Use h4_recv_buf helper for frame reassembly") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-10-21Bluetooth: bpa10x: Fix missing BT_HCIUART dependencyMarcel Holtmann1-0/+1
Selecting just BT_HCIUART_H4 is not enough and it also needs to select BT_HCIUART to avoid this warning: warning: (BT_HCIBPA10X) selects BT_HCIUART_H4 which has unmet direct dependencies (NET && BT && BT_HCIUART) Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2015-10-08Bluetooth: bpa10x: Use h4_recv_buf helper for frame reassemblyMarcel Holtmann1-0/+1
The manually coded frame reassembly is actually broken. The h4_recv_buf helper from the UART driver is a perfect fit for frame reassembly for this driver. So just export that function and use it here as well. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2015-10-03Bluetooth: btintel: Add iBT register access over HCI supportLoic Poulain1-0/+1
Add regmap ibt to support Intel Bluetooth silicon register access over HCI. Intel BT/FM combo chip allows to read/write some registers (e.g. FM registers) via its HCI interface. Read/Write operations are performed via a HCI transaction composed of a HCI command (host->controller) followed by a HCI command complete event (controller->host). Read/Write Command opcodes can be specified to the regmap init function. We define data formats which are intel/vendor specific. Register Read/Write HCI command payload (Host): Field: | REG ADDR | MODE | DATA_LEN | DATA... | size: | 32b | 8b | 8b | 8b* | Register Read HCI command complete event payload (Controller): Field: | CMD STATUS | REG ADDR | DATA... | size: | 8b | 32b | 8b* | Register Write HCI command complete event payload (Controller): Field: | CMD_STATUS | size: | 8b | Since this payload is HCI encapsulated, Little Endian byte order is used. Write/Read Example: If we write 0x0000002a at address 0x00008c04, with opcode_write 0xfc5d, The resulting transaction is (btmon trace): < HCI Command (0x3f|0x005d) plen 10 [hci0] 04 8c 00 00 02 04 2a 00 00 00 > HCI Event (0x0e) plen 4 Unknown (0x3f|0x005d) ncmd 1 00 Then, if we read the same register with opcode_read 0xfc5e: < HCI Command (0x3f|0x005e) plen 6 [hci0] 04 8c 00 00 02 04 > HCI Event (0x0e) plen 12 [hci0] Unknown (0x3f|0x005e) ncmd 1 00 04 8c 00 00 2a 00 00 00 Signed-off-by: Loic Poulain <loic.poulain@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-09-22Bluetooth: btmrvl: add sd8997 chipset supportAmitkumar Karwar1-2/+2
This patch adds support for Marvell's new chipset SD8997. Register offsets and supported feature flags are updated. Signed-off-by: Zhaoyang Liu <liuzy@marvell.com> Signed-off-by: Cathy Luo <cluo@marvell.com> Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-08-10Bluetooth: hciuart: Add support QCA chipset for UARTBen Young Tae Kim1-0/+13
QCA61x4 chips have supported sleep feature using In-Band-Sleep commands to enable sleep feature based on H4 protocol. After sending patch/nvm configuration is done, IBS mode will be up and running Signed-off-by: Ben Young Tae Kim <ytkim@qca.qualcomm.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-08-10Bluetooth: btqca: Introduce generic QCA ROME supportBen Young Tae Kim1-0/+4
This is for supporting BT for QCA ROME with vendor specific HCI commands and initialization on the chip. This will have USB/UART implementation both, but for now, adding UART vendor specific commands to patch downloading and set Bluetooth device address using vendor specific command. Signed-off-by: Ben Young Tae Kim <ytkim@qca.qualcomm.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-07-23Bluetooth: hci_uart: Add basic support for Intel Lightning Peak devicesLoic Poulain1-0/+1
The Intel Lightning Peak devices do not come with Bluetooth firmware loaded and thus require a full download of the operational Bluetooth firmware when the device is attached via the Bluetooth line discipline. Lightning Peak devices start with a bootloader mode that only accepts a very limited set of HCI commands. The supported commands are enough to identify the hardware and select the right firmware to load. Signed-off-by: Loic Poulain <loic.poulain@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-05-14Bluetooth: btrtl: Create separate module for Realtek BT driverCarlo Caione1-0/+15
As already done for btintel and btbcm export setup as separate function in a vendor-specific module to hold all the Realtek specific commands. Signed-off-by: Carlo Caione <carlo@endlessm.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2015-04-07Bluetooth: hci_uart: Use generic Intel support for address settingMarcel Holtmann1-0/+1
The Bluetooth address setting for Intel devices is provided by a generic module now. Start using that module instead of relying it being included in the driver. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2015-04-07Bluetooth: btusb: Use generic Intel support for address supportMarcel Holtmann1-0/+1
The Bluetooth address handling for Intel devices is provided by a generic module now. Start using that module instead of relying it being included in the driver. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2015-04-07Bluetooth: btintel: Introduce generic Intel Bluetooth supportMarcel Holtmann1-0/+3
The majority of Intel Bluetooth vendor commands are shared between USB and UART transports. This creates a separate module that eventually will hold all Intel specific commands, but for now just start with the commands to change the Bluetooth public address and check for the default address. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2015-04-07Bluetooth: hci_uart: Add protocol support for Broadcom UART devicesMarcel Holtmann1-0/+1
This adds the protocol support for Broadcom based UART devices to enable firmware and patchram download procedure. It is a pretty straight forward H:4 driver with the exception of actually having its own setup and address configuration callbacks. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
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