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path: root/drivers/bluetooth
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2018-10-24Merge branch 'work.tty-ioctl' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull tty ioctl updates from Al Viro: "This is the compat_ioctl work related to tty ioctls. Quite a bit of dead code taken out, all tty-related stuff gone from fs/compat_ioctl.c. A bunch of compat bugs fixed - some still remain, but all more or less generic tty-related ioctls should be covered (remaining issues are in things like driver-private ioctls in a pcmcia serial card driver not getting properly handled in 32bit processes on 64bit host, etc)" * 'work.tty-ioctl' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (53 commits) kill TIOCSERGSTRUCT change semantics of ldisc ->compat_ioctl() kill TIOCSER[SG]WILD synclink_gt(): fix compat_ioctl() pty: fix compat ioctls compat_ioctl - kill keyboard ioctl handling gigaset: add ->compat_ioctl() vt_compat_ioctl(): clean up, use compat_ptr() properly gigaset: don't try to printk userland buffer contents dgnc: don't bother with (empty) stub for TCXONC dgnc: leave TIOC[GS]SOFTCAR to ldisc remove fallback to drivers for TIOCGICOUNT dgnc: break-related ioctls won't reach ->ioctl() kill the rest of tty COMPAT_IOCTL() entries dgnc: TIOCM... won't reach ->ioctl() isdn_tty: TCSBRK{,P} won't reach ->ioctl() kill capinc_tty_ioctl() take compat TIOC[SG]SERIAL treatment into tty_compat_ioctl() synclink: reduce pointless checks in ->ioctl() complete ->[sg]et_serial() switchover ...
2018-10-18Bluetooth: hci_qca: Add support for controller debug logs.Balakrishna Godavarthi
This patch will prevent error messages splashing on console. [ 78.426697] Bluetooth: hci_core.c:hci_acldata_packet() hci0: ACL packet for unknown connection handle 3804 [ 78.436682] Bluetooth: hci_core.c:hci_acldata_packet() hci0: ACL packet for unknown connection handle 3804 [ 78.446639] Bluetooth: hci_core.c:hci_acldata_packet() hci0: ACL packet for unknown connection handle 3804 [ 78.456596] Bluetooth: hci_core.c:hci_acldata_packet() hci0: ACL packet for unknown connection handle 3804 QCA wcn3990 will send the debug logs in the form of ACL packets. While decoding packet in qca_recv(), marking the received debug log packet as diagnostic packet. Signed-off-by: Harish Bandi <c-hbandi@codeaurora.org> Signed-off-by: Balakrishna Godavarthi <bgodavar@codeaurora.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-10-18Bluetooth: btusb: Add support for 0cf3:535b QCA_ROME deviceOwen Lin
T: Bus=01 Lev=01 Prnt=01 Port=03 Cnt=02 Dev#= 3 Spd=12 MxCh= 0 D: Ver= 2.01 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=0cf3 ProdID=535b Rev= 0.01 C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA 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=1ms E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 64 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 Signed-off-by: Owen Lin <olin@rivetnetworks.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-10-14Bluetooth: btsdio: Do not bind to non-removable BCM43430Cho, Yu-Chen
BCM43430 devices soldered onto the PCB (non-removable) use an UART connection for bluetooth. But also advertise btsdio support on their 3th sdio function. Signed-off-by: Cho, Yu-Chen <acho@suse.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-10-13change semantics of ldisc ->compat_ioctl()Al Viro
First of all, make it return int. Returning long when native method had never allowed that is ridiculous and inconvenient. More importantly, change the caller; if ldisc ->compat_ioctl() is NULL or returns -ENOIOCTLCMD, tty_compat_ioctl() will try to feed cmd and compat_ptr(arg) to ldisc's native ->ioctl(). That simplifies ->compat_ioctl() instances quite a bit - they only need to deal with ioctls that are neither generic tty ones (those would get shunted off to tty_ioctl()) nor simple compat pointer ones. Note that something like TCFLSH won't reach ->compat_ioctl(), even if ldisc ->ioctl() does handle it - it will be recognized earlier and passed to tty_ioctl() (and ultimately - ldisc ->ioctl()). For many ldiscs it means that NULL ->compat_ioctl() does the right thing. Those where it won't serve (see e.g. n_r3964.c) are also easily dealt with - we need to handle the numeric-argument ioctls (calling the native instance) and, if such would exist, the ioctls that need layout conversion, etc. All in-tree ldiscs dealt with. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2018-10-12Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
Conflicts were easy to resolve using immediate context mostly, except the cls_u32.c one where I simply too the entire HEAD chunk. Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-11Merge tag 'alloc-args-v4.19-rc8' of ↵Greg Kroah-Hartman
https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Kees writes: "Fix open-coded multiplication arguments to allocators - Fixes several new open-coded multiplications added in the 4.19 merge window." * tag 'alloc-args-v4.19-rc8' of https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: treewide: Replace more open-coded allocation size multiplications
2018-10-05treewide: Replace more open-coded allocation size multiplicationsKees Cook
As done treewide earlier, this catches several more open-coded allocation size calculations that were added to the kernel during the merge window. This performs the following mechanical transformations using Coccinelle: kvmalloc(a * b, ...) -> kvmalloc_array(a, b, ...) kvzalloc(a * b, ...) -> kvcalloc(a, b, ...) devm_kzalloc(..., a * b, ...) -> devm_kcalloc(..., a, b, ...) Signed-off-by: Kees Cook <keescook@chromium.org>
2018-09-28Bluetooth: ath3k: add more information to error messageLuiz Carlos Ramos
When there is an error in either ath3k_load_firmware() or ath3k_load_fwfile(), the inlined function ath3k_log_failed_loading() is called receiving the error returned and both the block size requested to load and the size actually loaded. These values are printed in an error message using the macro BT_ERR. This patch changes that function in order to print the variable "count" as well, to show more information when a failing firmware loading operation happens. The calls to the older function were changed to the new one. This event is being monitored in a laptop with an adapter which identifies itself as 0cf3:0036, where sometimes there are errors in the firmware loading process. Signed-off-by: Luiz Carlos Ramos <lramos.prof@yahoo.com.br> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-09-27Bluetooth: bt3c_cs: Fix obsolete functionDing Xiang
simple_strtol and simple_strtoul are obsolete, both place use kstrtouint instead. V2: fix error tmp += tn V3: fix compile error Signed-off-by: Ding Xiang <dingxiang@cmss.chinamobile.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-09-27Bluetooth: btrsi: fix bt tx timeout issueSanjay Kumar Konduri
observed sometimes data is coming with unaligned address from kernel BT stack. If unaligned address is passed, some data in payload is stripped when packet is loading to firmware and this results, BT connection timeout is happening. sh# hciconfig hci0 up Can't init device hci0: hci0 command 0x0c03 tx timeout Fixed this by moving the data to aligned address. Signed-off-by: Sanjay Kumar Konduri <sanjay.konduri@redpinesignals.com> Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-09-27Bluetooth: btbcm: Add entry for BCM4335C0 UART bluetoothChristian Hewitt
This patch adds the device ID for the AMPAK AP6335 combo module used in the 1st generation WeTek Hub Android/LibreELEC HTPC box. The WiFI chip identifies itself as BCM4339, while Bluetooth identifies itself as BCM4335 (rev C0): ``` [ 4.864248] Bluetooth: hci0: BCM: chip id 86 [ 4.866388] Bluetooth: hci0: BCM: features 0x2f [ 4.889317] Bluetooth: hci0: BCM4335C0 [ 4.889332] Bluetooth: hci0: BCM4335C0 (003.001.009) build 0000 [ 9.778383] Bluetooth: hci0: BCM4335C0 (003.001.009) build 0268 ``` Output from hciconfig: ``` hci0: Type: Primary Bus: UART BD Address: 43:39:00:00:1F:AC ACL MTU: 1021:8 SCO MTU: 64:1 UP RUNNING RX bytes:7567 acl:234 sco:0 events:386 errors:0 TX bytes:53844 acl:77 sco:0 commands:304 errors:0 Features: 0xbf 0xfe 0xcf 0xfe 0xdb 0xff 0x7b 0x87 Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 Link policy: RSWITCH SNIFF Link mode: SLAVE ACCEPT Name: 'HUB' Class: 0x0c0000 Service Classes: Rendering, Capturing Device Class: Miscellaneous, HCI Version: 4.0 (0x6) Revision: 0x10c LMP Version: 4.0 (0x6) Subversion: 0x6109 Manufacturer: Broadcom Corporation (15) ``` Signed-off-by: Christian Hewitt <christianshewitt@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-09-27Bluetooth: btrtl: Add support for RTL8822C with USB interfaceAlex Lu
This device is included in the RTL8822CU combination wifi and BT part, as well as the BT part of the RTL8822CE. The necessary firmware has been submitted to the linux-firmware project. Signed-off-by: Alex Lu <alex_lu@realsil.com.cn> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-09-27Bluetooth: hci_serdev: Fixed error space required before open paranethesisJagdish Tirumala
Fixed error in space required before paranthesis in drivers/bluetooth/hci_serdev.c Signed-off-by: Jagdish Tirumala <t.jag587@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-09-27Bluetooth: hci_qca: Add poweroff support during hci down for wcn3990Balakrishna Godavarthi
This patch enables power off support for hci down and power on support for hci up. As wcn3990 power sources are ignited by regulators, we will turn off them during hci down, i.e. an complete power off of wcn3990. So while hci up, will call vendor setup which will turn on the regulators, requests BT chip version and download the firmware. Signed-off-by: Balakrishna Godavarthi <bgodavar@codeaurora.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-09-27Bluetooth: btusb: Add quirk for BTUSB_INTEL_NEWJustin TerAvest
Intel "new" controllers can do both LE scan and BR/EDR inquiry at once. Signed-off-by: Justin TerAvest <teravest@google.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-09-27Bluetooth: btrtl: Make array extension_sig static, shrinks object sizeColin Ian King
Don't populate the array extension_sig on the stack but instead make it static. Makes the object code smaller by 75 bytes: Before: text data bss dec hex filename 14325 4920 0 19245 4b2d drivers/bluetooth/btrtl.o After: text data bss dec hex filename 14186 4984 0 19170 4ae2 drivers/bluetooth/btrtl.o (gcc version 8.2.0 x86_64) Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-09-27Bluetooth: hci_serdev: Add protocol check in hci_uart_dequeue().Balakrishna Godavarthi
This will help to check the status of protocol while dequeuing an skb packet. In some instaces we will end up kernel crash, where proto close is called and we trying to dequeue an packet. [ 500.142902] [<ffffff80080f9ce4>] do_raw_spin_lock+0x1c/0xe0 [ 500.148643] [<ffffff80088f1c7c>] _raw_spin_lock_irqsave+0x38/0x48 [ 500.154917] [<ffffff8008780ce8>] skb_dequeue+0x28/0x84 [ 500.160209] [<ffffff8000ad6f48>] 0xffffff8000ad6f48 [ 500.165230] [<ffffff8000ad6610>] 0xffffff8000ad6610 [ 500.170257] [<ffffff80080c7ce8>] process_one_work+0x238/0x3e4 [ 500.176174] [<ffffff80080c8330>] worker_thread+0x2bc/0x3d4 [ 500.181821] [<ffffff80080cdabc>] kthread+0x138/0x140 [ 500.186945] [<ffffff80080844e0>] ret_from_fork+0x10/0x18 Signed-off-by: Balakrishna Godavarthi <bgodavar@codeaurora.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-09-27Bluetooth: hci_serdev: clear HCI_UART_PROTO_READY to avoid closing proto racesBalakrishna Godavarthi
Clearing HCI_UART_PROTO_READY will avoid usage of proto function pointers before running the proto close function pointer. There is chance of kernel crash, due to usage of non proto close function pointers after proto close. Signed-off-by: Balakrishna Godavarthi <bgodavar@codeaurora.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-09-27Bluetooth: hci_qca: Remove hdev dereference in qca_close().Balakrishna Godavarthi
When flag KASAN is set, we are seeing an following crash while removing hci_uart module. [ 50.589909] Unable to handle kernel paging request at virtual address 6b6b6b6b6b6b73 [ 50.597902] Mem abort info: [ 50.600846] Exception class = DABT (current EL), IL = 32 bits [ 50.606959] SET = 0, FnV = 0 [ 50.610142] EA = 0, S1PTW = 0 [ 50.613396] Data abort info: [ 50.616401] ISV = 0, ISS = 0x00000004 [ 50.620373] CM = 0, WnR = 0 [ 50.623466] [006b6b6b6b6b6b73] address between user and kernel address ranges [ 50.630818] Internal error: Oops: 96000004 [#1] PREEMPT SMP [ 50.671670] PC is at qca_power_shutdown+0x28/0x100 [hci_uart] [ 50.677593] LR is at qca_close+0x74/0xb0 [hci_uart] [ 50.775689] Process rmmod (pid: 2144, stack limit = 0xffffff801ba90000) [ 50.782493] Call trace: [ 50.872150] [<ffffff8000c3c81c>] qca_power_shutdown+0x28/0x100 [hci_uart] [ 50.879138] [<ffffff8000c3c968>] qca_close+0x74/0xb0 [hci_uart] [ 50.885238] [<ffffff8000c3a71c>] hci_uart_unregister_device+0x44/0x50 [hci_uart] [ 50.892846] [<ffffff8000c3c9f4>] qca_serdev_remove+0x50/0x5c [hci_uart] [ 50.899654] [<ffffff800844f630>] serdev_drv_remove+0x28/0x38 [ 50.905489] [<ffffff800850fc44>] device_release_driver_internal+0x140/0x1e4 [ 50.912653] [<ffffff800850fd94>] driver_detach+0x78/0x84 [ 50.918121] [<ffffff800850edac>] bus_remove_driver+0x80/0xa8 [ 50.923942] [<ffffff80085107dc>] driver_unregister+0x4c/0x58 [ 50.929768] [<ffffff8000c3ca8c>] qca_deinit+0x24/0x598 [hci_uart] [ 50.936045] [<ffffff8000c3ca10>] hci_uart_exit+0x10/0x48 [hci_uart] [ 50.942495] [<ffffff8008136630>] SyS_delete_module+0x17c/0x224 This crash is due to dereference of hdev, after freeing it. Signed-off-by: Balakrishna Godavarthi <bgodavar@codeaurora.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-09-27Bluetooth: hci_qca: Remove serdev_device_open/close function callsBalakrishna Godavarthi
Removed serdev_device_open/close functions from qca_open/close as they are called in hci_uart_register_device() and hci_uart_unregister_device() functions. Signed-off-by: Balakrishna Godavarthi <bgodavar@codeaurora.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-09-11Bluetooth: hci_ldisc: Free rw_semaphore on closeHermes Zhang
The percpu_rw_semaphore is not currently freed, and this leads to a crash when the stale rcu callback is invoked. DEBUG_OBJECTS detects this. ODEBUG: free active (active state 1) object type: rcu_head hint: (null) ------------[ cut here ]------------ WARNING: CPU: 1 PID: 2024 at debug_print_object+0xac/0xc8 PC is at debug_print_object+0xac/0xc8 LR is at debug_print_object+0xac/0xc8 Call trace: [<ffffff80082e2c2c>] debug_print_object+0xac/0xc8 [<ffffff80082e40b0>] debug_check_no_obj_freed+0x1e8/0x228 [<ffffff8008191254>] kfree+0x1cc/0x250 [<ffffff80083cc03c>] hci_uart_tty_close+0x54/0x108 [<ffffff800832e118>] tty_ldisc_close.isra.1+0x40/0x58 [<ffffff800832e14c>] tty_ldisc_kill+0x1c/0x40 [<ffffff800832e3dc>] tty_ldisc_release+0x94/0x170 [<ffffff8008325554>] tty_release_struct+0x1c/0x58 [<ffffff8008326400>] tty_release+0x3b0/0x490 [<ffffff80081a3fe8>] __fput+0x88/0x1d0 [<ffffff80081a418c>] ____fput+0xc/0x18 [<ffffff80080c0624>] task_work_run+0x9c/0xc0 [<ffffff80080a9e24>] do_exit+0x24c/0x8a0 [<ffffff80080aa4e0>] do_group_exit+0x38/0xa0 [<ffffff80080aa558>] __wake_up_parent+0x0/0x28 [<ffffff8008082c00>] el0_svc_naked+0x34/0x38 ---[ end trace bfe08cbd89098cdf ]--- Signed-off-by: Hermes Zhang <chenhuiz@axis.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-08-21Bluetooth: mediatek: Fix memory leakGustavo A. R. Silva
In case memory resources for *fw* were allocated, release them before return. Addresses-Coverity-ID: 1472611 ("Resource leak") Fixes: 7237c4c9ec92 ("Bluetooth: mediatek: Add protocol support for MediaTek serial devices") Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Acked-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-08-21Bluetooth: Make BT_HCIUART_RTL configuration option depend on ACPIHans de Goede
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>
2018-08-13Bluetooth: mediatek: pass correct size to h4_recv_buf()Dan Carpenter
We're supposed to pass the number of elements in the mtk_recv_pkts, not the number of bytes. Fixes: 7237c4c9ec92 ("Bluetooth: mediatek: Add protocol support for MediaTek serial devices") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-08-09Bluetooth: Introduce BT_HCIUART_RTL configuration optionMarcel Holtmann
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 Wang
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>
2018-08-06Bluetooth: btqca: Introduce HCI_EV_VENDOR and use itMarcel Holtmann
Using HCI_VENDOR_PKT for vendor specific events does work since it has also the value 0xff, but it is actually the packet type indicator constant and not the event constant. So introduce HCI_EV_VENDOR and use it. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2018-08-04Bluetooth: h5: Fix missing dependency on BT_HCIUART_SERDEVJohan Hedberg
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>
2018-08-03Bluetooth: hci_qca: Add support for Qualcomm Bluetooth chip wcn3990Balakrishna Godavarthi
Add support to set voltage/current of various regulators to power up/down Bluetooth chip wcn3990. Signed-off-by: Balakrishna Godavarthi <bgodavar@codeaurora.org> Reviewed-by: Matthias Kaehlcke <mka@chromium.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-08-03Bluetooth: btqca: Add wcn3990 firmware download support.Balakrishna Godavarthi
This patch enables the RAM and NV patch download for wcn3990. Signed-off-by: Balakrishna Godavarthi <bgodavar@codeaurora.org> Reviewed-by: Matthias Kaehlcke <mka@chromium.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-08-03Bluetooth: hci_qca: Enable 3.2 Mbps operating speed.Balakrishna Godavarthi
Enable Qualcomm chips to operate at 3.2Mbps. Signed-off-by: Balakrishna Godavarthi <bgodavar@codeaurora.org> Reviewed-by: Matthias Kaehlcke <mka@chromium.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-08-03Bluetooth: hci_qca: Add wrapper functions for setting UART speedBalakrishna Godavarthi
In function qca_setup, we set initial and operating speeds for Qualcomm Bluetooth SoC's. This block of code is common across different Qualcomm Bluetooth SoC's. Instead of duplicating the code, created a wrapper function to set the speeds. So that future coming SoC's can use these wrapper functions to set speeds. Signed-off-by: Balakrishna Godavarthi <bgodavar@codeaurora.org> Reviewed-by: Matthias Kaehlcke <mka@chromium.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-08-03Bluetooth: btqca: Redefine qca_uart_setup() to generic function.Balakrishna Godavarthi
Redefinition of qca_uart_setup will help future Qualcomm Bluetooth SoC, to use the same function instead of duplicating the function. Added new arguments soc_type and soc_ver to the functions. These arguments will help to decide type of firmware files to be loaded into Bluetooth chip. soc_type holds the Bluetooth chip connected to APPS processor. soc_ver holds the Bluetooth chip version. Signed-off-by: Balakrishna Godavarthi <bgodavar@codeaurora.org> Reviewed-by: Matthias Kaehlcke <mka@chromium.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-08-03Bluetooth: btqca: Rename ROME specific functions to generic functionsBalakrishna Godavarthi
Some of the QCA BTSoC ROME functions, are used for different versions or different make of BTSoC's. Instead of duplicating the same functions for new chip, update names of the functions that are used for both chips to keep this generic and would help in future when we would have new BT SoC. To have generic text in logs updated from ROME to QCA where ever possible. This avoids confusion to user, when using the future Qualcomm Bluetooth SoC's. Updated BT_DBG, BT_ERR and BT_INFO with bt_dev_dbg, bt_dev_err and bt_dev_info where ever applicable. Signed-off-by: Balakrishna Godavarthi <bgodavar@codeaurora.org> Reviewed-by: Matthias Kaehlcke <mka@chromium.org> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-08-03Bluetooth: hci_h5: Add support for enable and device-wake GPIOsHans de Goede
Add support for the enable and device-wake GPIOs used on ACPI enumerated RTL8723BS devices. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-08-03Bluetooth: hci_h5: Add support for the RTL8723BSJeremy Cline
Implement support for the RTL8723BS chip. Signed-off-by: Jeremy Cline <jeremy@jcline.org> [hdegoede@redhat.com: Port from bt3wire.c to hci_h5.c, drop broken GPIO code] Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-08-03Bluetooth: hci_h5: Add vendor setup, open, and close callbacksJeremy Cline
Allow vendor-specific setup, open, and close functions to be defined. Signed-off-by: Jeremy Cline <jeremy@jcline.org> [hdegoede@redhat.com: Port from bt3wire.c to hci_h5.c, drop dt support] Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-08-03Bluetooth: hci_h5: Add support for serdev enumerated devicesHans de Goede
Add basic support for serdev enumerated devices, note sine this does not (yet) declare any of / ACPI ids to bind to atm this is a nop. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-08-03Bluetooth: btrtl: Add support for a config filename postfixHans de Goede
The contents of the rtl_bt/rtlXXXX_config.bin file may be board specific allow the caller of btrtl_initialize to specify a postfix identifying the board, which if specified will make btrtl_initialize look for rtl_bt/rtlXXXX_config-<postfix>.bin instead. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-08-03Bluetooth: btrtl: add support for the RTL8723BS and RTL8723DS chipsMartin Blumenstingl
The Realtek RTL8723BS and RTL8723DS chipsets are SDIO wifi chips. They also contain a Bluetooth module which is connected via UART to the host. Realtek's userspace initialization tool (rtk_hciattach) differentiates these two via the HCI version and revision returned by the HCI_OP_READ_LOCAL_VERSION command. Additionally we apply these checks only the for UART devices. Everything else is assumed to be a "RTL8723B" which was originally supported by the driver (communicating via USB). Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Jeremy Cline <jeremy@jcline.org> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-08-03Bluetooth: btrtl: add support for retrieving the UART settingsMartin Blumenstingl
The UART settings are embedded in the config blob. This has to be parsed to successfully initialize the Bluetooth part of the RTL8723BS (which is an SDIO chip, but the Bluetooth part is connected via UART). The Realtek "rtl8723bs_bt" and "rtl8723ds_bt" userspace Bluetooth UART initialization tools (rtk_hciattach) use the following sequence: - send H5 sync pattern (already supported by hci_h5) - get LMP version (already supported by btrtl) - get ROM version (already supported by btrtl) - load the firmware and config for the current chipset (already supported by btrtl) - read UART settings from the config blob (part of this patch) - send UART settings via a vendor command to the device (which changes the baudrate of the device and enables or disables flow control depending on the config) - change the baudrate and flow control settings on the host - send the firmware and config blob to the device (already supported by btrtl) Sending the last firmware and config blob download command (rtl_download_cmd) fails if the UART settings are not updated beforehand. This is presumably because the device applies the config right after the firmware and config blob download - which means that at this point the host is using different UART settings than the device (which will obviously result in non-working communication). Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Jeremy Cline <jeremy@jcline.org> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-08-03Bluetooth: btrtl: Use rtl_dev_err and rtl_dev_infoHans de Goede
Consistently use rtl_dev_err and rtl_dev_info everywhere for messages. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-08-03Bluetooth: btrtl: split the device initialization into smaller partsMartin Blumenstingl
This prepares the btrtl code so it can be used to initialize Bluetooth modules connected via UART (these are found for example on the RTL8723BS and RTL8723DS SDIO chips, which come with an embedded UART Bluetooth module). The Realtek "rtl8723bs_bt" and "rtl8723ds_bt" userspace Bluetooth UART initialization tools (rtk_hciattach) use the following sequence: 1) send H5 sync pattern (already supported by hci_h5) 2) get LMP version (already supported by btrtl) 3) get ROM version (already supported by btrtl) 4) load the firmware and config for the current chipset (already supported by btrtl) 5) read UART settings from the config blob (currently not supported) 6) send UART settings via a vendor command to the device (which changes the baudrate of the device and enables or disables flow control depending on the config) 7) change the baudrate and flow control settings on the host 8) send the firmware and config blob to the device (already supported by btrtl) The main reason why the initialization has to be split is step #7. This requires changes to the underlying "bus", which should be kept outside of the "generic" btrtl driver. The idea for this split is borrowed from the btbcm driver but adjusted where needed (the btrtl driver for example needs two blobs: firmware and config, while the btbcm only needs one). This also prepares the code for step #5 (parsing the config blob) by centralizing the code which loads the firmware and config blobs and storing the result in the new struct btrtl_device_info. Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Jeremy Cline <jeremy@jcline.org> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-08-03Bluetooth: btrtl: add MODULE_FIRMWARE declarationsMartin Blumenstingl
This makes the firmware names show up in modinfo. Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Jeremy Cline <jeremy@jcline.org> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-08-03Bluetooth: btusb: Use bt_dev_err for Intel firmware loading errorsMarcel Holtmann
Replace the BT_ERR functions with bt_dev_err to get a consistent error printout that always prefixes the HCI device identifier. Signed-off-by: Marcel Holtmann <marcel@holtmann.org> Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
2018-08-03Bluetooth: btusb: Release RF resource on BT shutdownAmit K Bag
Issue description: Intel 7265 shares the same RF with Wifi and BT. In the shutdown scenario turn off BT, followed by turn WiFi off and on causing error in RF calibration in WiFi Module Solution: before shutdown BT ensure any RF activity to clear by HCI reset command. Reference Logs: ERR kernel: [ 386.193284] iwlwifi 0000:01:00.0: Failed to run INIT calibrations: -5 ERR kernel: [ 386.193298] iwlwifi 0000:01:00.0: Failed to run INIT ucode: -5 ERR kernel: [ 386.193309] iwlwifi 0000:01:00.0: Failed to start RT ucode: -5 Signed-off-by: Amit K Bag <amit.k.bag@intel.com> Singed-off-by: Chethan T N <chethan.tumkur.narayan@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-07-23bluetooth: hci_qca: Replace GFP_ATOMIC with GFP_KERNELJia-Ju Bai
qca_open() and qca_set_baudrate() are never called in atomic context. They call kzalloc() and bt_skb_alloc() with GFP_ATOMIC, which is not necessary. GFP_ATOMIC can be replaced with GFP_KERNEL. This is found by a static analysis tool named DCNS written by myself. I also manually check the kernel code before reporting it. Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-07-23bluetooth: hci_intel: Replace GFP_ATOMIC with GFP_KERNEL in ↵Jia-Ju Bai
inject_cmd_complete() inject_cmd_complete() is only called by intel_dequeue(), which is never called in atomic context. inject_cmd_complete() calls bt_skb_alloc() with GFP_ATOMIC, which is not necessary. GFP_ATOMIC can be replaced with GFP_KERNEL. This is found by a static analysis tool named DCNS written by myself. I also manually check the kernel code before reporting it. Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2018-07-23bluetooth: btusb: Replace GFP_ATOMIC with GFP_KERNEL in inject_cmd_complete()Jia-Ju Bai
inject_cmd_complete() is only called by btusb_send_frame_intel(), which is set to hdev->send, and hdev->send() is never called in atomic context. inject_cmd_complete() calls bt_skb_alloc() with GFP_ATOMIC, which is not necessary. GFP_ATOMIC can be replaced with GFP_KERNEL. This is found by a static analysis tool named DCNS written by myself. I also manually check the kernel code before reporting it. Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
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