diff options
Diffstat (limited to 'drivers/bluetooth/btusb.c')
| -rw-r--r-- | drivers/bluetooth/btusb.c | 3292 |
1 files changed, 2296 insertions, 996 deletions
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index fa24d693af24..8ed3883ab8ee 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -1,71 +1,72 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * * Generic Bluetooth USB driver * * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * */ +#include <linux/dmi.h> #include <linux/module.h> #include <linux/usb.h> +#include <linux/usb/quirks.h> #include <linux/firmware.h> +#include <linux/iopoll.h> #include <linux/of_device.h> #include <linux/of_irq.h> #include <linux/suspend.h> -#include <asm/unaligned.h> +#include <linux/gpio/consumer.h> +#include <linux/debugfs.h> +#include <linux/unaligned.h> #include <net/bluetooth/bluetooth.h> #include <net/bluetooth/hci_core.h> +#include <net/bluetooth/hci_drv.h> #include "btintel.h" #include "btbcm.h" #include "btrtl.h" +#include "btmtk.h" #define VERSION "0.8" static bool disable_scofix; static bool force_scofix; - +static bool enable_autosuspend = IS_ENABLED(CONFIG_BT_HCIBTUSB_AUTOSUSPEND); +static bool enable_poll_sync = IS_ENABLED(CONFIG_BT_HCIBTUSB_POLL_SYNC); static bool reset = true; static struct usb_driver btusb_driver; -#define BTUSB_IGNORE 0x01 -#define BTUSB_DIGIANSWER 0x02 -#define BTUSB_CSR 0x04 -#define BTUSB_SNIFFER 0x08 -#define BTUSB_BCM92035 0x10 -#define BTUSB_BROKEN_ISOC 0x20 -#define BTUSB_WRONG_SCO_MTU 0x40 -#define BTUSB_ATH3012 0x80 -#define BTUSB_INTEL 0x100 -#define BTUSB_INTEL_BOOT 0x200 -#define BTUSB_BCM_PATCHRAM 0x400 -#define BTUSB_MARVELL 0x800 -#define BTUSB_SWAVE 0x1000 -#define BTUSB_INTEL_NEW 0x2000 -#define BTUSB_AMP 0x4000 -#define BTUSB_QCA_ROME 0x8000 -#define BTUSB_BCM_APPLE 0x10000 -#define BTUSB_REALTEK 0x20000 -#define BTUSB_BCM2045 0x40000 -#define BTUSB_IFNUM_2 0x80000 -#define BTUSB_CW6622 0x100000 +#define BTUSB_IGNORE BIT(0) +#define BTUSB_DIGIANSWER BIT(1) +#define BTUSB_CSR BIT(2) +#define BTUSB_SNIFFER BIT(3) +#define BTUSB_BCM92035 BIT(4) +#define BTUSB_BROKEN_ISOC BIT(5) +#define BTUSB_WRONG_SCO_MTU BIT(6) +#define BTUSB_ATH3012 BIT(7) +#define BTUSB_INTEL_COMBINED BIT(8) +#define BTUSB_INTEL_BOOT BIT(9) +#define BTUSB_BCM_PATCHRAM BIT(10) +#define BTUSB_MARVELL BIT(11) +#define BTUSB_SWAVE BIT(12) +#define BTUSB_AMP BIT(13) +#define BTUSB_QCA_ROME BIT(14) +#define BTUSB_BCM_APPLE BIT(15) +#define BTUSB_REALTEK BIT(16) +#define BTUSB_BCM2045 BIT(17) +#define BTUSB_IFNUM_2 BIT(18) +#define BTUSB_CW6622 BIT(19) +#define BTUSB_MEDIATEK BIT(20) +#define BTUSB_WIDEBAND_SPEECH BIT(21) +#define BTUSB_INVALID_LE_STATES BIT(22) +#define BTUSB_QCA_WCN6855 BIT(23) +#define BTUSB_INTEL_BROKEN_SHUTDOWN_LED BIT(24) +#define BTUSB_INTEL_BROKEN_INITIAL_NCMD BIT(25) +#define BTUSB_INTEL_NO_WBS_SUPPORT BIT(26) +#define BTUSB_ACTIONS_SEMI BIT(27) +#define BTUSB_BARROT BIT(28) static const struct usb_device_id btusb_table[] = { /* Generic Bluetooth USB device */ @@ -124,14 +125,12 @@ static const struct usb_device_id btusb_table[] = { /* Canyon CN-BTU1 with HID interfaces */ { USB_DEVICE(0x0c10, 0x0000) }, - /* Broadcom BCM20702A0 */ - { USB_DEVICE(0x413c, 0x8197) }, - /* Broadcom BCM20702B0 (Dynex/Insignia) */ { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM }, /* Broadcom BCM43142A0 (Foxconn/Lenovo) */ - { USB_DEVICE(0x105b, 0xe065), .driver_info = BTUSB_BCM_PATCHRAM }, + { USB_VENDOR_AND_INTERFACE_INFO(0x105b, 0xff, 0x01, 0x01), + .driver_info = BTUSB_BCM_PATCHRAM }, /* Broadcom BCM920703 (HTC Vive) */ { USB_VENDOR_AND_INTERFACE_INFO(0x0bb4, 0xff, 0x01, 0x01), @@ -178,7 +177,7 @@ static const struct usb_device_id btusb_table[] = { MODULE_DEVICE_TABLE(usb, btusb_table); -static const struct usb_device_id blacklist_table[] = { +static const struct usb_device_id quirks_table[] = { /* CSR BlueCore devices */ { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, @@ -260,14 +259,158 @@ static const struct usb_device_id blacklist_table[] = { { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, /* QCA ROME chipset */ - { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME }, - { USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME }, - { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME }, - { USB_DEVICE(0x0cf3, 0xe301), .driver_info = BTUSB_QCA_ROME }, - { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME }, - { USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME }, - { USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME }, - { USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME }, + { USB_DEVICE(0x0cf3, 0x535b), .driver_info = BTUSB_QCA_ROME | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0cf3, 0xe010), .driver_info = BTUSB_QCA_ROME | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0cf3, 0xe301), .driver_info = BTUSB_QCA_ROME | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0cf3, 0xe500), .driver_info = BTUSB_QCA_ROME | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe09f), .driver_info = BTUSB_QCA_ROME | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x04ca, 0x3015), .driver_info = BTUSB_QCA_ROME | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x04ca, 0x3016), .driver_info = BTUSB_QCA_ROME | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x04ca, 0x301a), .driver_info = BTUSB_QCA_ROME | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x04ca, 0x3021), .driver_info = BTUSB_QCA_ROME | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3491), .driver_info = BTUSB_QCA_ROME | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3496), .driver_info = BTUSB_QCA_ROME | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME | + BTUSB_WIDEBAND_SPEECH }, + + /* QCA WCN6855 chipset */ + { USB_DEVICE(0x0489, 0xe0c7), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe0c9), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe0ca), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe0cb), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe0cc), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe0ce), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe0d0), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe0d6), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe0de), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe0df), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe0e1), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe0e3), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe0ea), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe0ec), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x04ca, 0x3022), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x04ca, 0x3023), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x04ca, 0x3024), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x04ca, 0x3a22), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x04ca, 0x3a24), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x04ca, 0x3a26), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x04ca, 0x3a27), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0cf3, 0xe600), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x10ab, 0x9108), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x10ab, 0x9109), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x10ab, 0x9208), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x10ab, 0x9209), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x10ab, 0x9308), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x10ab, 0x9309), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x10ab, 0x9408), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x10ab, 0x9409), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x10ab, 0x9508), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x10ab, 0x9509), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x10ab, 0x9608), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x10ab, 0x9609), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x10ab, 0x9f09), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x28de, 0x1401), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + + /* QCA WCN785x chipset */ + { USB_DEVICE(0x0cf3, 0xe700), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe0fc), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe0f3), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe100), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe103), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe10a), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe10d), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe11b), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe11c), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe11f), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe141), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe14a), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe14b), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe14d), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3623), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3624), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x2c7c, 0x0130), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x2c7c, 0x0131), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x2c7c, 0x0132), .driver_info = BTUSB_QCA_WCN6855 | + BTUSB_WIDEBAND_SPEECH }, /* Broadcom BCM2035 */ { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, @@ -331,22 +474,290 @@ static const struct usb_device_id blacklist_table[] = { { USB_DEVICE(0x1286, 0x204e), .driver_info = BTUSB_MARVELL }, /* Intel Bluetooth devices */ - { USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_NEW }, + { USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_COMBINED }, + { USB_DEVICE(0x8087, 0x0026), .driver_info = BTUSB_INTEL_COMBINED }, + { USB_DEVICE(0x8087, 0x0029), .driver_info = BTUSB_INTEL_COMBINED }, + { USB_DEVICE(0x8087, 0x0032), .driver_info = BTUSB_INTEL_COMBINED }, + { USB_DEVICE(0x8087, 0x0033), .driver_info = BTUSB_INTEL_COMBINED }, + { USB_DEVICE(0x8087, 0x0035), .driver_info = BTUSB_INTEL_COMBINED }, + { USB_DEVICE(0x8087, 0x0036), .driver_info = BTUSB_INTEL_COMBINED }, + { USB_DEVICE(0x8087, 0x0037), .driver_info = BTUSB_INTEL_COMBINED }, + { USB_DEVICE(0x8087, 0x0038), .driver_info = BTUSB_INTEL_COMBINED }, + { USB_DEVICE(0x8087, 0x0039), .driver_info = BTUSB_INTEL_COMBINED }, { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR }, - { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, - { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL }, - { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW }, - { USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL }, - { USB_DEVICE(0x8087, 0x0aaa), .driver_info = BTUSB_INTEL_NEW }, + { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL_COMBINED | + BTUSB_INTEL_NO_WBS_SUPPORT | + BTUSB_INTEL_BROKEN_INITIAL_NCMD | + BTUSB_INTEL_BROKEN_SHUTDOWN_LED }, + { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL_COMBINED | + BTUSB_INTEL_NO_WBS_SUPPORT | + BTUSB_INTEL_BROKEN_SHUTDOWN_LED }, + { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_COMBINED }, + { USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL_COMBINED | + BTUSB_INTEL_BROKEN_SHUTDOWN_LED }, + { USB_DEVICE(0x8087, 0x0aaa), .driver_info = BTUSB_INTEL_COMBINED }, /* Other Intel Bluetooth devices */ { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01), .driver_info = BTUSB_IGNORE }, + /* Realtek 8821CE Bluetooth devices */ + { USB_DEVICE(0x13d3, 0x3529), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3533), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + + /* Realtek 8822CE Bluetooth devices */ + { USB_DEVICE(0x0bda, 0xb00c), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0bda, 0xc822), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + + /* Realtek 8822CU Bluetooth devices */ + { USB_DEVICE(0x13d3, 0x3549), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + + /* Realtek 8851BE Bluetooth devices */ + { USB_DEVICE(0x0bda, 0xb850), .driver_info = BTUSB_REALTEK }, + { USB_DEVICE(0x13d3, 0x3600), .driver_info = BTUSB_REALTEK }, + { USB_DEVICE(0x13d3, 0x3601), .driver_info = BTUSB_REALTEK }, + + /* Realtek 8851BU Bluetooth devices */ + { USB_DEVICE(0x3625, 0x010b), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x2001, 0x332a), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + + /* Realtek 8852AE Bluetooth devices */ + { USB_DEVICE(0x0bda, 0x2852), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0bda, 0xc852), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0bda, 0x385a), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0bda, 0x4852), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x04c5, 0x165c), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x04ca, 0x4006), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0cb8, 0xc549), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + + /* Realtek 8852CE Bluetooth devices */ + { USB_DEVICE(0x04ca, 0x4007), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x04c5, 0x1675), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0cb8, 0xc558), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3587), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3586), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3592), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe122), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + + /* Realtek 8852BE Bluetooth devices */ + { USB_DEVICE(0x0cb8, 0xc559), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0bda, 0x4853), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0bda, 0x887b), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0bda, 0xb85b), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3570), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3571), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3572), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3591), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3618), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe123), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe125), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + + /* Realtek 8852BT/8852BE-VT Bluetooth devices */ + { USB_DEVICE(0x0bda, 0x8520), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe12f), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3618), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3619), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + + /* Realtek 8922AE Bluetooth devices */ + { USB_DEVICE(0x0bda, 0x8922), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3617), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3616), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe130), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + /* Realtek Bluetooth devices */ { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01), .driver_info = BTUSB_REALTEK }, + /* MediaTek Bluetooth devices */ + { USB_VENDOR_AND_INTERFACE_INFO(0x0e8d, 0xe0, 0x01, 0x01), + .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + + /* Additional MediaTek MT7615E Bluetooth devices */ + { USB_DEVICE(0x13d3, 0x3560), .driver_info = BTUSB_MEDIATEK}, + + /* Additional MediaTek MT7663 Bluetooth devices */ + { USB_DEVICE(0x043e, 0x310c), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x04ca, 0x3801), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + + /* Additional MediaTek MT7668 Bluetooth devices */ + { USB_DEVICE(0x043e, 0x3109), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + + /* Additional MediaTek MT7920 Bluetooth devices */ + { USB_DEVICE(0x0489, 0xe134), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe135), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3620), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3621), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3622), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + + /* Additional MediaTek MT7921 Bluetooth devices */ + { USB_DEVICE(0x0489, 0xe0c8), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe0cd), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe0e0), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe0f2), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x04ca, 0x3802), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0e8d, 0x0608), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3563), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3564), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3567), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3576), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3578), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3583), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3606), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + + /* MediaTek MT7922 Bluetooth devices */ + { USB_DEVICE(0x13d3, 0x3585), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3610), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + + /* MediaTek MT7922A Bluetooth devices */ + { USB_DEVICE(0x0489, 0xe0d8), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe0d9), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe0e2), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe0e4), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe0f1), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe0f2), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe0f5), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe0f6), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe102), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe152), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe153), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe170), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x04ca, 0x3804), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x04ca, 0x38e4), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3568), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3584), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3605), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3607), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3614), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3615), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3633), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x35f5, 0x7922), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + + /* Additional MediaTek MT7925 Bluetooth devices */ + { USB_DEVICE(0x0489, 0xe111), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe113), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe118), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe11e), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe124), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe139), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe14e), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe14f), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe150), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0489, 0xe151), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3602), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3603), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3604), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3608), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3613), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3627), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3628), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3630), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x2c7c, 0x7009), .driver_info = BTUSB_MEDIATEK | + BTUSB_WIDEBAND_SPEECH }, + /* Additional Realtek 8723AE Bluetooth devices */ { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK }, { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK }, @@ -354,9 +765,36 @@ static const struct usb_device_id blacklist_table[] = { /* Additional Realtek 8723BE Bluetooth devices */ { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK }, { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK }, + { USB_DEVICE(0x04f2, 0xb49f), .driver_info = BTUSB_REALTEK }, { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK }, { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK }, { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK }, + { USB_DEVICE(0x13d3, 0x3494), .driver_info = BTUSB_REALTEK }, + + /* Additional Realtek 8723BU Bluetooth devices */ + { USB_DEVICE(0x7392, 0xa611), .driver_info = BTUSB_REALTEK }, + + /* Additional Realtek 8723DE Bluetooth devices */ + { USB_DEVICE(0x0bda, 0xb009), .driver_info = BTUSB_REALTEK }, + { USB_DEVICE(0x2ff8, 0xb011), .driver_info = BTUSB_REALTEK }, + + /* Additional Realtek 8761BUV Bluetooth devices */ + { USB_DEVICE(0x2357, 0x0604), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0b05, 0x190e), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x2550, 0x8761), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0bda, 0x8771), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x6655, 0x8771), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x7392, 0xc611), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x2b89, 0x8761), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x2b89, 0x6275), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, /* Additional Realtek 8821AE Bluetooth devices */ { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK }, @@ -365,12 +803,86 @@ static const struct usb_device_id blacklist_table[] = { { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK }, { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK }, + /* Additional Realtek 8822BE Bluetooth devices */ + { USB_DEVICE(0x13d3, 0x3526), .driver_info = BTUSB_REALTEK }, + { USB_DEVICE(0x0b05, 0x185c), .driver_info = BTUSB_REALTEK }, + + /* Additional Realtek 8822CE Bluetooth devices */ + { USB_DEVICE(0x04ca, 0x4005), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x04c5, 0x161f), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0b05, 0x18ef), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3548), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3549), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3553), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x13d3, 0x3555), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x2ff8, 0x3051), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x1358, 0xc123), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0bda, 0xc123), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0cb5, 0xc547), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, + + /* Barrot Technology Bluetooth devices */ + { USB_DEVICE(0x33fa, 0x0010), .driver_info = BTUSB_BARROT }, + { USB_DEVICE(0x33fa, 0x0012), .driver_info = BTUSB_BARROT }, + + /* Actions Semiconductor ATS2851 based devices */ + { USB_DEVICE(0x10d7, 0xb012), .driver_info = BTUSB_ACTIONS_SEMI }, + /* Silicon Wave based devices */ { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE }, { } /* Terminating entry */ }; +/* The Bluetooth USB module build into some devices needs to be reset on resume, + * this is a problem with the platform (likely shutting off all power) not with + * the module itself. So we use a DMI list to match known broken platforms. + */ +static const struct dmi_system_id btusb_needs_reset_resume_table[] = { + { + /* Dell OptiPlex 3060 (QCA ROME device 0cf3:e007) */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 3060"), + }, + }, + { + /* Dell XPS 9360 (QCA ROME device 0cf3:e300) */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9360"), + }, + }, + { + /* Dell Inspiron 5565 (QCA ROME device 0cf3:e009) */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5565"), + }, + }, + {} +}; + +struct qca_dump_info { + /* fields for dump collection */ + u16 id_vendor; + u16 id_product; + u32 fw_version; + u32 controller_id; + u32 ram_dump_size; + u16 ram_dump_seqno; +}; + #define BTUSB_MAX_ISOC_FRAMES 10 #define BTUSB_INTR_RUNNING 0 @@ -383,9 +895,14 @@ static const struct usb_device_id blacklist_table[] = { #define BTUSB_FIRMWARE_LOADED 7 #define BTUSB_FIRMWARE_FAILED 8 #define BTUSB_BOOTING 9 -#define BTUSB_RESET_RESUME 10 -#define BTUSB_DIAG_RUNNING 11 -#define BTUSB_OOB_WAKE_ENABLED 12 +#define BTUSB_DIAG_RUNNING 10 +#define BTUSB_OOB_WAKE_ENABLED 11 +#define BTUSB_HW_RESET_ACTIVE 12 +#define BTUSB_TX_WAIT_VND_EVT 13 +#define BTUSB_WAKEUP_AUTOSUSPEND 14 +#define BTUSB_USE_ALT3_FOR_WBS 15 +#define BTUSB_ALT6_CONTINUOUS_TX 16 +#define BTUSB_HW_SSR_ACTIVE 17 struct btusb_data { struct hci_dev *hdev; @@ -393,11 +910,17 @@ struct btusb_data { struct usb_interface *intf; struct usb_interface *isoc; struct usb_interface *diag; + unsigned isoc_ifnum; unsigned long flags; - struct work_struct work; - struct work_struct waker; + bool poll_sync; + int intr_interval; + struct work_struct work; + struct work_struct waker; + struct delayed_work rx_work; + + struct sk_buff_head acl_q; struct usb_anchor deferred; struct usb_anchor tx_anchor; @@ -408,6 +931,7 @@ struct btusb_data { struct usb_anchor bulk_anchor; struct usb_anchor isoc_anchor; struct usb_anchor diag_anchor; + struct usb_anchor ctrl_anchor; spinlock_t rxlock; struct sk_buff *evt_skb; @@ -422,45 +946,258 @@ struct btusb_data { struct usb_endpoint_descriptor *diag_tx_ep; struct usb_endpoint_descriptor *diag_rx_ep; + struct gpio_desc *reset_gpio; + __u8 cmdreq_type; __u8 cmdreq; unsigned int sco_num; + unsigned int air_mode; + bool usb_alt6_packet_flow; int isoc_altsetting; int suspend_count; int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb); + int (*recv_acl)(struct hci_dev *hdev, struct sk_buff *skb); int (*recv_bulk)(struct btusb_data *data, void *buffer, int count); int (*setup_on_usb)(struct hci_dev *hdev); + int (*suspend)(struct hci_dev *hdev); + int (*resume)(struct hci_dev *hdev); + int (*disconnect)(struct hci_dev *hdev); + int oob_wake_irq; /* irq for out-of-band wake-on-bt */ + + struct qca_dump_info qca_dump; }; +static void btusb_reset(struct hci_dev *hdev) +{ + struct btusb_data *data; + int err; + + data = hci_get_drvdata(hdev); + /* This is not an unbalanced PM reference since the device will reset */ + err = usb_autopm_get_interface(data->intf); + if (err) { + bt_dev_err(hdev, "Failed usb_autopm_get_interface: %d", err); + return; + } + + bt_dev_err(hdev, "Resetting usb device."); + usb_queue_reset_device(data->intf); +} + +static void btusb_intel_reset(struct hci_dev *hdev) +{ + struct btusb_data *data = hci_get_drvdata(hdev); + struct gpio_desc *reset_gpio = data->reset_gpio; + struct btintel_data *intel_data = hci_get_priv(hdev); + + if (intel_data->acpi_reset_method) { + if (test_and_set_bit(INTEL_ACPI_RESET_ACTIVE, intel_data->flags)) { + bt_dev_err(hdev, "acpi: last reset failed ? Not resetting again"); + return; + } + + bt_dev_err(hdev, "Initiating acpi reset method"); + /* If ACPI reset method fails, lets try with legacy GPIO + * toggling + */ + if (!intel_data->acpi_reset_method(hdev)) { + return; + } + } + + if (!reset_gpio) { + btusb_reset(hdev); + return; + } + + /* + * Toggle the hard reset line if the platform provides one. The reset + * is going to yank the device off the USB and then replug. So doing + * once is enough. The cleanup is handled correctly on the way out + * (standard USB disconnect), and the new device is detected cleanly + * and bound to the driver again like it should be. + */ + if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) { + bt_dev_err(hdev, "last reset failed? Not resetting again"); + return; + } + + bt_dev_err(hdev, "Initiating HW reset via gpio"); + gpiod_set_value_cansleep(reset_gpio, 1); + msleep(100); + gpiod_set_value_cansleep(reset_gpio, 0); +} + +#define RTK_DEVCOREDUMP_CODE_MEMDUMP 0x01 +#define RTK_DEVCOREDUMP_CODE_HW_ERR 0x02 +#define RTK_DEVCOREDUMP_CODE_CMD_TIMEOUT 0x03 + +#define RTK_SUB_EVENT_CODE_COREDUMP 0x34 + +struct rtk_dev_coredump_hdr { + u8 type; + u8 code; + u8 reserved[2]; +} __packed; + +static inline void btusb_rtl_alloc_devcoredump(struct hci_dev *hdev, + struct rtk_dev_coredump_hdr *hdr, u8 *buf, u32 len) +{ + struct sk_buff *skb; + + skb = alloc_skb(len + sizeof(*hdr), GFP_ATOMIC); + if (!skb) + return; + + skb_put_data(skb, hdr, sizeof(*hdr)); + if (len) + skb_put_data(skb, buf, len); + + if (!hci_devcd_init(hdev, skb->len)) { + hci_devcd_append(hdev, skb); + hci_devcd_complete(hdev); + } else { + bt_dev_err(hdev, "RTL: Failed to generate devcoredump"); + kfree_skb(skb); + } +} + +static void btusb_rtl_reset(struct hci_dev *hdev) +{ + struct btusb_data *data = hci_get_drvdata(hdev); + struct gpio_desc *reset_gpio = data->reset_gpio; + struct rtk_dev_coredump_hdr hdr = { + .type = RTK_DEVCOREDUMP_CODE_CMD_TIMEOUT, + }; + + btusb_rtl_alloc_devcoredump(hdev, &hdr, NULL, 0); + + if (!reset_gpio) { + btusb_reset(hdev); + return; + } + + /* Toggle the hard reset line. The Realtek device is going to + * yank itself off the USB and then replug. The cleanup is handled + * correctly on the way out (standard USB disconnect), and the new + * device is detected cleanly and bound to the driver again like + * it should be. + */ + if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) { + bt_dev_err(hdev, "last reset failed? Not resetting again"); + return; + } + + bt_dev_err(hdev, "Reset Realtek device via gpio"); + gpiod_set_value_cansleep(reset_gpio, 1); + msleep(200); + gpiod_set_value_cansleep(reset_gpio, 0); +} + +static void btusb_rtl_hw_error(struct hci_dev *hdev, u8 code) +{ + struct rtk_dev_coredump_hdr hdr = { + .type = RTK_DEVCOREDUMP_CODE_HW_ERR, + .code = code, + }; + + bt_dev_err(hdev, "RTL: hw err, trigger devcoredump (%d)", code); + + btusb_rtl_alloc_devcoredump(hdev, &hdr, NULL, 0); +} + +static void btusb_qca_reset(struct hci_dev *hdev) +{ + struct btusb_data *data = hci_get_drvdata(hdev); + struct gpio_desc *reset_gpio = data->reset_gpio; + + if (test_bit(BTUSB_HW_SSR_ACTIVE, &data->flags)) { + bt_dev_info(hdev, "Ramdump in progress, defer reset"); + return; + } + + if (reset_gpio) { + bt_dev_err(hdev, "Reset qca device via bt_en gpio"); + + /* Toggle the hard reset line. The qca bt device is going to + * yank itself off the USB and then replug. The cleanup is handled + * correctly on the way out (standard USB disconnect), and the new + * device is detected cleanly and bound to the driver again like + * it should be. + */ + if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) { + bt_dev_err(hdev, "last reset failed? Not resetting again"); + return; + } + + gpiod_set_value_cansleep(reset_gpio, 0); + msleep(200); + gpiod_set_value_cansleep(reset_gpio, 1); + + return; + } + + btusb_reset(hdev); +} + +static u8 btusb_classify_qca_pkt_type(struct hci_dev *hdev, struct sk_buff *skb) +{ + /* Some Qualcomm controllers, e.g., QCNFA765 with WCN6855 chip, send debug + * packets as ACL frames with connection handle 0x2EDC. These are not real + * ACL packets and should be reclassified as HCI_DIAG_PKT to prevent + * "ACL packet for unknown connection handle 3804" errors. + */ + if (skb->len >= 2) { + u16 handle = get_unaligned_le16(skb->data); + + if (handle == 0x2EDC) + return HCI_DIAG_PKT; + } + + /* Use default packet type for other packets */ + return hci_skb_pkt_type(skb); +} + static inline void btusb_free_frags(struct btusb_data *data) { unsigned long flags; spin_lock_irqsave(&data->rxlock, flags); - kfree_skb(data->evt_skb); + dev_kfree_skb_irq(data->evt_skb); data->evt_skb = NULL; - kfree_skb(data->acl_skb); + dev_kfree_skb_irq(data->acl_skb); data->acl_skb = NULL; - kfree_skb(data->sco_skb); + dev_kfree_skb_irq(data->sco_skb); data->sco_skb = NULL; spin_unlock_irqrestore(&data->rxlock, flags); } +static int btusb_recv_event(struct btusb_data *data, struct sk_buff *skb) +{ + if (data->intr_interval) { + /* Trigger dequeue immediately if an event is received */ + schedule_delayed_work(&data->rx_work, 0); + } + + return data->recv_event(data->hdev, skb); +} + static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count) { struct sk_buff *skb; + unsigned long flags; int err = 0; - spin_lock(&data->rxlock); + spin_lock_irqsave(&data->rxlock, flags); skb = data->evt_skb; while (count) { @@ -498,24 +1235,51 @@ static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count) } if (!hci_skb_expect(skb)) { + /* Each chunk should correspond to at least 1 or more + * events so if there are still bytes left that doesn't + * constitute a new event this is likely a bug in the + * controller. + */ + if (count && count < HCI_EVENT_HDR_SIZE) { + bt_dev_warn(data->hdev, + "Unexpected continuation: %d bytes", + count); + count = 0; + } + /* Complete frame */ - data->recv_event(data->hdev, skb); + btusb_recv_event(data, skb); skb = NULL; } } data->evt_skb = skb; - spin_unlock(&data->rxlock); + spin_unlock_irqrestore(&data->rxlock, flags); return err; } +static int btusb_recv_acl(struct btusb_data *data, struct sk_buff *skb) +{ + /* Only queue ACL packet if intr_interval is set as it means + * force_poll_sync has been enabled. + */ + if (!data->intr_interval) + return data->recv_acl(data->hdev, skb); + + skb_queue_tail(&data->acl_q, skb); + schedule_delayed_work(&data->rx_work, data->intr_interval); + + return 0; +} + static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count) { struct sk_buff *skb; + unsigned long flags; int err = 0; - spin_lock(&data->rxlock); + spin_lock_irqsave(&data->rxlock, flags); skb = data->acl_skb; while (count) { @@ -556,23 +1320,52 @@ static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count) if (!hci_skb_expect(skb)) { /* Complete frame */ - hci_recv_frame(data->hdev, skb); + btusb_recv_acl(data, skb); skb = NULL; } } data->acl_skb = skb; - spin_unlock(&data->rxlock); + spin_unlock_irqrestore(&data->rxlock, flags); return err; } +static bool btusb_validate_sco_handle(struct hci_dev *hdev, + struct hci_sco_hdr *hdr) +{ + __u16 handle; + + if (hci_dev_test_flag(hdev, HCI_USER_CHANNEL)) + // Can't validate, userspace controls everything. + return true; + + /* + * USB isochronous transfers are not designed to be reliable and may + * lose fragments. When this happens, the next first fragment + * encountered might actually be a continuation fragment. + * Validate the handle to detect it and drop it, or else the upper + * layer will get garbage for a while. + */ + + handle = hci_handle(__le16_to_cpu(hdr->handle)); + + switch (hci_conn_lookup_type(hdev, handle)) { + case SCO_LINK: + case ESCO_LINK: + return true; + default: + return false; + } +} + static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count) { struct sk_buff *skb; + unsigned long flags; int err = 0; - spin_lock(&data->rxlock); + spin_lock_irqsave(&data->rxlock, flags); skb = data->sco_skb; while (count) { @@ -598,9 +1391,12 @@ static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count) if (skb->len == HCI_SCO_HDR_SIZE) { /* Complete SCO header */ - hci_skb_expect(skb) = hci_sco_hdr(skb)->dlen; + struct hci_sco_hdr *hdr = hci_sco_hdr(skb); - if (skb_tailroom(skb) < hci_skb_expect(skb)) { + hci_skb_expect(skb) = hdr->dlen; + + if (skb_tailroom(skb) < hci_skb_expect(skb) || + !btusb_validate_sco_handle(data->hdev, hdr)) { kfree_skb(skb); skb = NULL; @@ -617,7 +1413,7 @@ static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count) } data->sco_skb = skb; - spin_unlock(&data->rxlock); + spin_unlock_irqrestore(&data->rxlock, flags); return err; } @@ -639,7 +1435,7 @@ static void btusb_intr_complete(struct urb *urb) if (btusb_recv_intr(data, urb->transfer_buffer, urb->actual_length) < 0) { - BT_ERR("%s corrupted event packet", hdev->name); + bt_dev_err(hdev, "corrupted event packet"); hdev->stat.err_rx++; } } else if (urb->status == -ENOENT) { @@ -656,10 +1452,13 @@ static void btusb_intr_complete(struct urb *urb) err = usb_submit_urb(urb, GFP_ATOMIC); if (err < 0) { /* -EPERM: urb is being killed; - * -ENODEV: device got disconnected */ + * -ENODEV: device got disconnected + */ if (err != -EPERM && err != -ENODEV) - BT_ERR("%s urb %p failed to resubmit (%d)", - hdev->name, urb, -err); + bt_dev_err(hdev, "urb %p failed to resubmit (%d)", + urb, -err); + if (err != -EPERM) + hci_cmd_sync_cancel(hdev, -err); usb_unanchor_urb(urb); } } @@ -681,7 +1480,15 @@ static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) if (!urb) return -ENOMEM; - size = le16_to_cpu(data->intr_ep->wMaxPacketSize); + if (le16_to_cpu(data->udev->descriptor.idVendor) == 0x0a12 && + le16_to_cpu(data->udev->descriptor.idProduct) == 0x0001) + /* Fake CSR devices don't seem to support sort-transter */ + size = le16_to_cpu(data->intr_ep->wMaxPacketSize); + else + /* Use maximum HCI Event size so the USB stack handles + * ZPL/short-transfer automatically. + */ + size = HCI_MAX_EVENT_SIZE; buf = kmalloc(size, mem_flags); if (!buf) { @@ -701,11 +1508,35 @@ static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) err = usb_submit_urb(urb, mem_flags); if (err < 0) { if (err != -EPERM && err != -ENODEV) - BT_ERR("%s urb %p submission failed (%d)", - hdev->name, urb, -err); + bt_dev_err(hdev, "urb %p submission failed (%d)", + urb, -err); + if (err != -EPERM) + hci_cmd_sync_cancel(hdev, -err); usb_unanchor_urb(urb); } + /* Only initialize intr_interval if URB poll sync is enabled */ + if (!data->poll_sync) + goto done; + + /* The units are frames (milliseconds) for full and low speed devices, + * and microframes (1/8 millisecond) for highspeed and SuperSpeed + * devices. + * + * This is done once on open/resume so it shouldn't change even if + * force_poll_sync changes. + */ + switch (urb->dev->speed) { + case USB_SPEED_SUPER_PLUS: + case USB_SPEED_SUPER: /* units are 125us */ + data->intr_interval = usecs_to_jiffies(urb->interval * 125); + break; + default: + data->intr_interval = msecs_to_jiffies(urb->interval); + break; + } + +done: usb_free_urb(urb); return err; @@ -728,7 +1559,7 @@ static void btusb_bulk_complete(struct urb *urb) if (data->recv_bulk(data, urb->transfer_buffer, urb->actual_length) < 0) { - BT_ERR("%s corrupted ACL packet", hdev->name); + bt_dev_err(hdev, "corrupted ACL packet"); hdev->stat.err_rx++; } } else if (urb->status == -ENOENT) { @@ -745,10 +1576,11 @@ static void btusb_bulk_complete(struct urb *urb) err = usb_submit_urb(urb, GFP_ATOMIC); if (err < 0) { /* -EPERM: urb is being killed; - * -ENODEV: device got disconnected */ + * -ENODEV: device got disconnected + */ if (err != -EPERM && err != -ENODEV) - BT_ERR("%s urb %p failed to resubmit (%d)", - hdev->name, urb, -err); + bt_dev_err(hdev, "urb %p failed to resubmit (%d)", + urb, -err); usb_unanchor_urb(urb); } } @@ -789,8 +1621,8 @@ static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) err = usb_submit_urb(urb, mem_flags); if (err < 0) { if (err != -EPERM && err != -ENODEV) - BT_ERR("%s urb %p submission failed (%d)", - hdev->name, urb, -err); + bt_dev_err(hdev, "urb %p submission failed (%d)", + urb, -err); usb_unanchor_urb(urb); } @@ -823,7 +1655,7 @@ static void btusb_isoc_complete(struct urb *urb) if (btusb_recv_isoc(data, urb->transfer_buffer + offset, length) < 0) { - BT_ERR("%s corrupted SCO packet", hdev->name); + bt_dev_err(hdev, "corrupted SCO packet"); hdev->stat.err_rx++; } } @@ -840,14 +1672,58 @@ static void btusb_isoc_complete(struct urb *urb) err = usb_submit_urb(urb, GFP_ATOMIC); if (err < 0) { /* -EPERM: urb is being killed; - * -ENODEV: device got disconnected */ + * -ENODEV: device got disconnected + */ if (err != -EPERM && err != -ENODEV) - BT_ERR("%s urb %p failed to resubmit (%d)", - hdev->name, urb, -err); + bt_dev_err(hdev, "urb %p failed to resubmit (%d)", + urb, -err); usb_unanchor_urb(urb); } } +static inline void __fill_isoc_descriptor_msbc(struct urb *urb, int len, + int mtu, struct btusb_data *data) +{ + int i = 0, offset = 0; + unsigned int interval; + + BT_DBG("len %d mtu %d", len, mtu); + + /* For mSBC ALT 6 settings some chips need to transmit the data + * continuously without the zero length of USB packets. + */ + if (test_bit(BTUSB_ALT6_CONTINUOUS_TX, &data->flags)) + goto ignore_usb_alt6_packet_flow; + + /* For mSBC ALT 6 setting the host will send the packet at continuous + * flow. As per core spec 5, vol 4, part B, table 2.1. For ALT setting + * 6 the HCI PACKET INTERVAL should be 7.5ms for every usb packets. + * To maintain the rate we send 63bytes of usb packets alternatively for + * 7ms and 8ms to maintain the rate as 7.5ms. + */ + if (data->usb_alt6_packet_flow) { + interval = 7; + data->usb_alt6_packet_flow = false; + } else { + interval = 6; + data->usb_alt6_packet_flow = true; + } + + for (i = 0; i < interval; i++) { + urb->iso_frame_desc[i].offset = offset; + urb->iso_frame_desc[i].length = offset; + } + +ignore_usb_alt6_packet_flow: + if (len && i < BTUSB_MAX_ISOC_FRAMES) { + urb->iso_frame_desc[i].offset = offset; + urb->iso_frame_desc[i].length = len; + i++; + } + + urb->number_of_packets = i; +} + static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) { int i, offset = 0; @@ -910,8 +1786,8 @@ static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) err = usb_submit_urb(urb, mem_flags); if (err < 0) { if (err != -EPERM && err != -ENODEV) - BT_ERR("%s urb %p submission failed (%d)", - hdev->name, urb, -err); + bt_dev_err(hdev, "urb %p submission failed (%d)", + urb, -err); usb_unanchor_urb(urb); } @@ -952,10 +1828,11 @@ static void btusb_diag_complete(struct urb *urb) err = usb_submit_urb(urb, GFP_ATOMIC); if (err < 0) { /* -EPERM: urb is being killed; - * -ENODEV: device got disconnected */ + * -ENODEV: device got disconnected + */ if (err != -EPERM && err != -ENODEV) - BT_ERR("%s urb %p failed to resubmit (%d)", - hdev->name, urb, -err); + bt_dev_err(hdev, "urb %p failed to resubmit (%d)", + urb, -err); usb_unanchor_urb(urb); } } @@ -996,8 +1873,8 @@ static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags) err = usb_submit_urb(urb, mem_flags); if (err < 0) { if (err != -EPERM && err != -ENODEV) - BT_ERR("%s urb %p submission failed (%d)", - hdev->name, urb, -err); + bt_dev_err(hdev, "urb %p submission failed (%d)", + urb, -err); usb_unanchor_urb(urb); } @@ -1011,6 +1888,7 @@ static void btusb_tx_complete(struct urb *urb) struct sk_buff *skb = urb->context; struct hci_dev *hdev = (struct hci_dev *)skb->dev; struct btusb_data *data = hci_get_drvdata(hdev); + unsigned long flags; BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, urb->actual_length); @@ -1018,15 +1896,18 @@ static void btusb_tx_complete(struct urb *urb) if (!test_bit(HCI_RUNNING, &hdev->flags)) goto done; - if (!urb->status) + if (!urb->status) { hdev->stat.byte_tx += urb->transfer_buffer_length; - else + } else { + if (hci_skb_pkt_type(skb) == HCI_COMMAND_PKT) + hci_cmd_sync_cancel(hdev, -urb->status); hdev->stat.err_tx++; + } done: - spin_lock(&data->txlock); + spin_lock_irqsave(&data->txlock, flags); data->tx_in_flight--; - spin_unlock(&data->txlock); + spin_unlock_irqrestore(&data->txlock, flags); kfree(urb->setup_packet); @@ -1072,7 +1953,7 @@ static int btusb_open(struct hci_dev *hdev) if (data->setup_on_usb) { err = data->setup_on_usb(hdev); if (err < 0) - return err; + goto setup_fail; } data->intf->needs_remote_wakeup = 1; @@ -1104,6 +1985,7 @@ done: failed: clear_bit(BTUSB_INTR_RUNNING, &data->flags); +setup_fail: usb_autopm_put_interface(data->intf); return err; } @@ -1114,6 +1996,7 @@ static void btusb_stop_traffic(struct btusb_data *data) usb_kill_anchored_urbs(&data->bulk_anchor); usb_kill_anchored_urbs(&data->isoc_anchor); usb_kill_anchored_urbs(&data->diag_anchor); + usb_kill_anchored_urbs(&data->ctrl_anchor); } static int btusb_close(struct hci_dev *hdev) @@ -1123,9 +2006,12 @@ static int btusb_close(struct hci_dev *hdev) BT_DBG("%s", hdev->name); + cancel_delayed_work(&data->rx_work); cancel_work_sync(&data->work); cancel_work_sync(&data->waker); + skb_queue_purge(&data->acl_q); + clear_bit(BTUSB_ISOC_RUNNING, &data->flags); clear_bit(BTUSB_BULK_RUNNING, &data->flags); clear_bit(BTUSB_INTR_RUNNING, &data->flags); @@ -1139,6 +2025,11 @@ static int btusb_close(struct hci_dev *hdev) goto failed; data->intf->needs_remote_wakeup = 0; + + /* Enable remote wake up for auto-suspend */ + if (test_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags)) + data->intf->needs_remote_wakeup = 1; + usb_autopm_put_interface(data->intf); failed: @@ -1152,6 +2043,10 @@ static int btusb_flush(struct hci_dev *hdev) BT_DBG("%s", hdev->name); + cancel_delayed_work(&data->rx_work); + + skb_queue_purge(&data->acl_q); + usb_kill_anchored_urbs(&data->tx_anchor); btusb_free_frags(data); @@ -1235,9 +2130,13 @@ static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb) urb->transfer_flags = URB_ISO_ASAP; - __fill_isoc_descriptor(urb, skb->len, - le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); - + if (data->isoc_altsetting == 6) + __fill_isoc_descriptor_msbc(urb, skb->len, + le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize), + data); + else + __fill_isoc_descriptor(urb, skb->len, + le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); skb->dev = (void *)hdev; return urb; @@ -1253,8 +2152,8 @@ static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb) err = usb_submit_urb(urb, GFP_KERNEL); if (err < 0) { if (err != -EPERM && err != -ENODEV) - BT_ERR("%s urb %p submission failed (%d)", - hdev->name, urb, -err); + bt_dev_err(hdev, "urb %p submission failed (%d)", + urb, -err); kfree(urb->setup_packet); usb_unanchor_urb(urb); } else { @@ -1311,7 +2210,8 @@ static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) return submit_or_queue_tx_urb(hdev, urb); case HCI_SCODATA_PKT: - if (hci_conn_num(hdev, SCO_LINK) < 1) + if (!hci_dev_test_flag(hdev, HCI_USER_CHANNEL) && + hci_conn_num(hdev, SCO_LINK) < 1) return -ENODEV; urb = alloc_isoc_urb(hdev, skb); @@ -1320,6 +2220,13 @@ static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) hdev->stat.sco_tx++; return submit_tx_urb(hdev, urb); + + case HCI_ISODATA_PKT: + urb = alloc_bulk_urb(hdev, skb); + if (IS_ERR(urb)) + return PTR_ERR(urb); + + return submit_or_queue_tx_urb(hdev, urb); } return -EILSEQ; @@ -1333,6 +2240,7 @@ static void btusb_notify(struct hci_dev *hdev, unsigned int evt) if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { data->sco_num = hci_conn_num(hdev, SCO_LINK); + data->air_mode = evt; schedule_work(&data->work); } } @@ -1347,9 +2255,9 @@ static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) if (!data->isoc) return -ENODEV; - err = usb_set_interface(data->udev, 1, altsetting); + err = usb_set_interface(data->udev, data->isoc_ifnum, altsetting); if (err < 0) { - BT_ERR("%s setting interface failed (%d)", hdev->name, -err); + bt_dev_err(hdev, "setting interface failed (%d)", -err); return err; } @@ -1373,18 +2281,77 @@ static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) } if (!data->isoc_tx_ep || !data->isoc_rx_ep) { - BT_ERR("%s invalid SCO descriptors", hdev->name); + bt_dev_err(hdev, "invalid SCO descriptors"); return -ENODEV; } return 0; } +static int btusb_switch_alt_setting(struct hci_dev *hdev, int new_alts) +{ + struct btusb_data *data = hci_get_drvdata(hdev); + int err; + + if (data->isoc_altsetting != new_alts) { + unsigned long flags; + + clear_bit(BTUSB_ISOC_RUNNING, &data->flags); + usb_kill_anchored_urbs(&data->isoc_anchor); + + /* When isochronous alternate setting needs to be + * changed, because SCO connection has been added + * or removed, a packet fragment may be left in the + * reassembling state. This could lead to wrongly + * assembled fragments. + * + * Clear outstanding fragment when selecting a new + * alternate setting. + */ + spin_lock_irqsave(&data->rxlock, flags); + dev_kfree_skb_irq(data->sco_skb); + data->sco_skb = NULL; + spin_unlock_irqrestore(&data->rxlock, flags); + + err = __set_isoc_interface(hdev, new_alts); + if (err < 0) + return err; + } + + if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { + if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) + clear_bit(BTUSB_ISOC_RUNNING, &data->flags); + else + btusb_submit_isoc_urb(hdev, GFP_KERNEL); + } + + return 0; +} + +static struct usb_host_interface *btusb_find_altsetting(struct btusb_data *data, + int alt) +{ + struct usb_interface *intf = data->isoc; + int i; + + BT_DBG("Looking for Alt no :%d", alt); + + if (!intf) + return NULL; + + for (i = 0; i < intf->num_altsetting; i++) { + if (intf->altsetting[i].desc.bAlternateSetting == alt) + return &intf->altsetting[i]; + } + + return NULL; +} + static void btusb_work(struct work_struct *work) { struct btusb_data *data = container_of(work, struct btusb_data, work); struct hci_dev *hdev = data->hdev; - int new_alts; + int new_alts = 0; int err; if (data->sco_num > 0) { @@ -1399,49 +2366,42 @@ static void btusb_work(struct work_struct *work) set_bit(BTUSB_DID_ISO_RESUME, &data->flags); } - if (hdev->voice_setting & 0x0020) { - static const int alts[3] = { 2, 4, 5 }; - - new_alts = alts[data->sco_num - 1]; - } else { - new_alts = data->sco_num; - } + if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_CVSD) { + if (hdev->voice_setting & 0x0020) { + static const int alts[3] = { 2, 4, 5 }; - if (data->isoc_altsetting != new_alts) { - unsigned long flags; - - clear_bit(BTUSB_ISOC_RUNNING, &data->flags); - usb_kill_anchored_urbs(&data->isoc_anchor); - - /* When isochronous alternate setting needs to be - * changed, because SCO connection has been added - * or removed, a packet fragment may be left in the - * reassembling state. This could lead to wrongly - * assembled fragments. - * - * Clear outstanding fragment when selecting a new - * alternate setting. + new_alts = alts[data->sco_num - 1]; + } else { + new_alts = data->sco_num; + } + } else if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_TRANSP) { + /* Bluetooth USB spec recommends alt 6 (63 bytes), but + * many adapters do not support it. Alt 1 appears to + * work for all adapters that do not have alt 6, and + * which work with WBS at all. Some devices prefer + * alt 3 (HCI payload >= 60 Bytes let air packet + * data satisfy 60 bytes), requiring + * MTU >= 3 (packets) * 25 (size) - 3 (headers) = 72 + * see also Core spec 5, vol 4, B 2.1.1 & Table 2.1. */ - spin_lock_irqsave(&data->rxlock, flags); - kfree_skb(data->sco_skb); - data->sco_skb = NULL; - spin_unlock_irqrestore(&data->rxlock, flags); - - if (__set_isoc_interface(hdev, new_alts) < 0) - return; - } - - if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { - if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) - clear_bit(BTUSB_ISOC_RUNNING, &data->flags); + if (btusb_find_altsetting(data, 6)) + new_alts = 6; + else if (btusb_find_altsetting(data, 3) && + hdev->sco_mtu >= 72 && + test_bit(BTUSB_USE_ALT3_FOR_WBS, &data->flags)) + new_alts = 3; else - btusb_submit_isoc_urb(hdev, GFP_KERNEL); + new_alts = 1; } + + if (btusb_switch_alt_setting(hdev, new_alts) < 0) + bt_dev_err(hdev, "set USB alt:(%d) failed!", new_alts); } else { - clear_bit(BTUSB_ISOC_RUNNING, &data->flags); usb_kill_anchored_urbs(&data->isoc_anchor); - __set_isoc_interface(hdev, 0); + if (test_and_clear_bit(BTUSB_ISOC_RUNNING, &data->flags)) + __set_isoc_interface(hdev, 0); + if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); } @@ -1459,6 +2419,17 @@ static void btusb_waker(struct work_struct *work) usb_autopm_put_interface(data->intf); } +static void btusb_rx_work(struct work_struct *work) +{ + struct btusb_data *data = container_of(work, struct btusb_data, + rx_work.work); + struct sk_buff *skb; + + /* Dequeue ACL data received during the interval */ + while ((skb = skb_dequeue(&data->acl_q))) + data->recv_acl(data->hdev, skb); +} + static int btusb_setup_bcm92035(struct hci_dev *hdev) { struct sk_buff *skb; @@ -1468,7 +2439,7 @@ static int btusb_setup_bcm92035(struct hci_dev *hdev) skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); if (IS_ERR(skb)) - BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb)); + bt_dev_err(hdev, "BCM92035 command failed (%ld)", PTR_ERR(skb)); else kfree_skb(skb); @@ -1477,8 +2448,12 @@ static int btusb_setup_bcm92035(struct hci_dev *hdev) static int btusb_setup_csr(struct hci_dev *hdev) { + struct btusb_data *data = hci_get_drvdata(hdev); + u16 bcdDevice = le16_to_cpu(data->udev->descriptor.bcdDevice); struct hci_rp_read_local_version *rp; struct sk_buff *skb; + bool is_fake = false; + int ret; BT_DBG("%s", hdev->name); @@ -1486,343 +2461,143 @@ static int btusb_setup_csr(struct hci_dev *hdev) HCI_INIT_TIMEOUT); if (IS_ERR(skb)) { int err = PTR_ERR(skb); - BT_ERR("%s: CSR: Local version failed (%d)", hdev->name, err); + bt_dev_err(hdev, "CSR: Local version failed (%d)", err); return err; } - if (skb->len != sizeof(struct hci_rp_read_local_version)) { - BT_ERR("%s: CSR: Local version length mismatch", hdev->name); + rp = skb_pull_data(skb, sizeof(*rp)); + if (!rp) { + bt_dev_err(hdev, "CSR: Local version length mismatch"); kfree_skb(skb); return -EIO; } - rp = (struct hci_rp_read_local_version *)skb->data; - - /* Detect controllers which aren't real CSR ones. */ - if (le16_to_cpu(rp->manufacturer) != 10 || - le16_to_cpu(rp->lmp_subver) == 0x0c5c) { - /* Clear the reset quirk since this is not an actual - * early Bluetooth 1.1 device from CSR. - */ - clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); - - /* These fake CSR controllers have all a broken - * stored link key handling and so just disable it. - */ - set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); - } - - kfree_skb(skb); - - return 0; -} - -static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, - struct intel_version *ver) -{ - const struct firmware *fw; - char fwname[64]; - int ret; - - snprintf(fwname, sizeof(fwname), - "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", - ver->hw_platform, ver->hw_variant, ver->hw_revision, - ver->fw_variant, ver->fw_revision, ver->fw_build_num, - ver->fw_build_ww, ver->fw_build_yy); - - ret = request_firmware(&fw, fwname, &hdev->dev); - if (ret < 0) { - if (ret == -EINVAL) { - BT_ERR("%s Intel firmware file request failed (%d)", - hdev->name, ret); - return NULL; - } - - BT_ERR("%s failed to open Intel firmware file: %s(%d)", - hdev->name, fwname, ret); - - /* If the correct firmware patch file is not found, use the - * default firmware patch file instead - */ - snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", - ver->hw_platform, ver->hw_variant); - if (request_firmware(&fw, fwname, &hdev->dev) < 0) { - BT_ERR("%s failed to open default Intel fw file: %s", - hdev->name, fwname); - return NULL; - } - } - - BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname); - - return fw; -} - -static int btusb_setup_intel_patching(struct hci_dev *hdev, - const struct firmware *fw, - const u8 **fw_ptr, int *disable_patch) -{ - struct sk_buff *skb; - struct hci_command_hdr *cmd; - const u8 *cmd_param; - struct hci_event_hdr *evt = NULL; - const u8 *evt_param = NULL; - int remain = fw->size - (*fw_ptr - fw->data); - - /* The first byte indicates the types of the patch command or event. - * 0x01 means HCI command and 0x02 is HCI event. If the first bytes - * in the current firmware buffer doesn't start with 0x01 or - * the size of remain buffer is smaller than HCI command header, - * the firmware file is corrupted and it should stop the patching - * process. - */ - if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { - BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name); - return -EINVAL; - } - (*fw_ptr)++; - remain--; - - cmd = (struct hci_command_hdr *)(*fw_ptr); - *fw_ptr += sizeof(*cmd); - remain -= sizeof(*cmd); - - /* Ensure that the remain firmware data is long enough than the length - * of command parameter. If not, the firmware file is corrupted. - */ - if (remain < cmd->plen) { - BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name); - return -EFAULT; - } - - /* If there is a command that loads a patch in the firmware - * file, then enable the patch upon success, otherwise just - * disable the manufacturer mode, for example patch activation - * is not required when the default firmware patch file is used - * because there are no patch data to load. - */ - if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) - *disable_patch = 0; - - cmd_param = *fw_ptr; - *fw_ptr += cmd->plen; - remain -= cmd->plen; - - /* This reads the expected events when the above command is sent to the - * device. Some vendor commands expects more than one events, for - * example command status event followed by vendor specific event. - * For this case, it only keeps the last expected event. so the command - * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of - * last expected event. - */ - while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { - (*fw_ptr)++; - remain--; - - evt = (struct hci_event_hdr *)(*fw_ptr); - *fw_ptr += sizeof(*evt); - remain -= sizeof(*evt); - - if (remain < evt->plen) { - BT_ERR("%s Intel fw corrupted: invalid evt len", - hdev->name); - return -EFAULT; - } - - evt_param = *fw_ptr; - *fw_ptr += evt->plen; - remain -= evt->plen; - } - - /* Every HCI commands in the firmware file has its correspond event. - * If event is not found or remain is smaller than zero, the firmware - * file is corrupted. - */ - if (!evt || !evt_param || remain < 0) { - BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name); - return -EFAULT; - } - - skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, - cmd_param, evt->evt, HCI_INIT_TIMEOUT); - if (IS_ERR(skb)) { - BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)", - hdev->name, cmd->opcode, PTR_ERR(skb)); - return PTR_ERR(skb); - } - - /* It ensures that the returned event matches the event data read from - * the firmware file. At fist, it checks the length and then - * the contents of the event. - */ - if (skb->len != evt->plen) { - BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name, - le16_to_cpu(cmd->opcode)); - kfree_skb(skb); - return -EFAULT; - } - - if (memcmp(skb->data, evt_param, evt->plen)) { - BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)", - hdev->name, le16_to_cpu(cmd->opcode)); - kfree_skb(skb); - return -EFAULT; - } - kfree_skb(skb); + bt_dev_info(hdev, "CSR: Setting up dongle with HCI ver=%u rev=%04x", + rp->hci_ver, le16_to_cpu(rp->hci_rev)); - return 0; -} + bt_dev_info(hdev, "LMP ver=%u subver=%04x; manufacturer=%u", + rp->lmp_ver, le16_to_cpu(rp->lmp_subver), + le16_to_cpu(rp->manufacturer)); -static int btusb_setup_intel(struct hci_dev *hdev) -{ - struct sk_buff *skb; - const struct firmware *fw; - const u8 *fw_ptr; - int disable_patch, err; - struct intel_version ver; - - BT_DBG("%s", hdev->name); - - /* The controller has a bug with the first HCI command sent to it - * returning number of completed commands as zero. This would stall the - * command processing in the Bluetooth core. + /* Detect a wide host of Chinese controllers that aren't CSR. * - * As a workaround, send HCI Reset command first which will reset the - * number of completed commands and allow normal command processing - * from now on. - */ - skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); - if (IS_ERR(skb)) { - BT_ERR("%s sending initial HCI reset command failed (%ld)", - hdev->name, PTR_ERR(skb)); - return PTR_ERR(skb); - } - kfree_skb(skb); - - /* Read Intel specific controller version first to allow selection of - * which firmware file to load. + * Known fake bcdDevices: 0x0100, 0x0134, 0x1915, 0x2520, 0x7558, 0x8891 * - * The returned information are hardware variant and revision plus - * firmware variant, revision and build number. - */ - err = btintel_read_version(hdev, &ver); - if (err) - return err; - - BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", - hdev->name, ver.hw_platform, ver.hw_variant, ver.hw_revision, - ver.fw_variant, ver.fw_revision, ver.fw_build_num, - ver.fw_build_ww, ver.fw_build_yy, ver.fw_patch_num); - - /* fw_patch_num indicates the version of patch the device currently - * have. If there is no patch data in the device, it is always 0x00. - * So, if it is other than 0x00, no need to patch the device again. - */ - if (ver.fw_patch_num) { - BT_INFO("%s: Intel device is already patched. patch num: %02x", - hdev->name, ver.fw_patch_num); - goto complete; - } - - /* Opens the firmware patch file based on the firmware version read - * from the controller. If it fails to open the matching firmware - * patch file, it tries to open the default firmware patch file. - * If no patch file is found, allow the device to operate without - * a patch. - */ - fw = btusb_setup_intel_get_fw(hdev, &ver); - if (!fw) - goto complete; - fw_ptr = fw->data; - - /* Enable the manufacturer mode of the controller. - * Only while this mode is enabled, the driver can download the - * firmware patch data and configuration parameters. - */ - err = btintel_enter_mfg(hdev); - if (err) { - release_firmware(fw); - return err; - } - - disable_patch = 1; - - /* The firmware data file consists of list of Intel specific HCI - * commands and its expected events. The first byte indicates the - * type of the message, either HCI command or HCI event. - * - * It reads the command and its expected event from the firmware file, - * and send to the controller. Once __hci_cmd_sync_ev() returns, - * the returned event is compared with the event read from the firmware - * file and it will continue until all the messages are downloaded to - * the controller. - * - * Once the firmware patching is completed successfully, - * the manufacturer mode is disabled with reset and activating the - * downloaded patch. - * - * If the firmware patching fails, the manufacturer mode is - * disabled with reset and deactivating the patch. + * The main thing they have in common is that these are really popular low-cost + * options that support newer Bluetooth versions but rely on heavy VID/PID + * squatting of this poor old Bluetooth 1.1 device. Even sold as such. * - * If the default patch file is used, no reset is done when disabling - * the manufacturer. + * We detect actual CSR devices by checking that the HCI manufacturer code + * is Cambridge Silicon Radio (10) and ensuring that LMP sub-version and + * HCI rev values always match. As they both store the firmware number. */ - while (fw->size > fw_ptr - fw->data) { - int ret; - - ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, - &disable_patch); - if (ret < 0) - goto exit_mfg_deactivate; - } - - release_firmware(fw); - - if (disable_patch) - goto exit_mfg_disable; - - /* Patching completed successfully and disable the manufacturer mode - * with reset and activate the downloaded firmware patches. + if (le16_to_cpu(rp->manufacturer) != 10 || + le16_to_cpu(rp->hci_rev) != le16_to_cpu(rp->lmp_subver)) + is_fake = true; + + /* Known legit CSR firmware build numbers and their supported BT versions: + * - 1.1 (0x1) -> 0x0073, 0x020d, 0x033c, 0x034e + * - 1.2 (0x2) -> 0x04d9, 0x0529 + * - 2.0 (0x3) -> 0x07a6, 0x07ad, 0x0c5c + * - 2.1 (0x4) -> 0x149c, 0x1735, 0x1899 (0x1899 is a BlueCore4-External) + * - 4.0 (0x6) -> 0x1d86, 0x2031, 0x22bb + * + * e.g. Real CSR dongles with LMP subversion 0x73 are old enough that + * support BT 1.1 only; so it's a dead giveaway when some + * third-party BT 4.0 dongle reuses it. */ - err = btintel_exit_mfg(hdev, true, true); - if (err) - return err; - - BT_INFO("%s: Intel Bluetooth firmware patch completed and activated", - hdev->name); - - goto complete; + else if (le16_to_cpu(rp->lmp_subver) <= 0x034e && + rp->hci_ver > BLUETOOTH_VER_1_1) + is_fake = true; + + else if (le16_to_cpu(rp->lmp_subver) <= 0x0529 && + rp->hci_ver > BLUETOOTH_VER_1_2) + is_fake = true; + + else if (le16_to_cpu(rp->lmp_subver) <= 0x0c5c && + rp->hci_ver > BLUETOOTH_VER_2_0) + is_fake = true; + + else if (le16_to_cpu(rp->lmp_subver) <= 0x1899 && + rp->hci_ver > BLUETOOTH_VER_2_1) + is_fake = true; + + else if (le16_to_cpu(rp->lmp_subver) <= 0x22bb && + rp->hci_ver > BLUETOOTH_VER_4_0) + is_fake = true; + + /* Other clones which beat all the above checks */ + else if (bcdDevice == 0x0134 && + le16_to_cpu(rp->lmp_subver) == 0x0c5c && + rp->hci_ver == BLUETOOTH_VER_2_0) + is_fake = true; + + if (is_fake) { + bt_dev_warn(hdev, "CSR: Unbranded CSR clone detected; adding workarounds and force-suspending once..."); + + /* Generally these clones have big discrepancies between + * advertised features and what's actually supported. + * Probably will need to be expanded in the future; + * without these the controller will lock up. + */ + hci_set_quirk(hdev, HCI_QUIRK_BROKEN_STORED_LINK_KEY); + hci_set_quirk(hdev, HCI_QUIRK_BROKEN_ERR_DATA_REPORTING); + hci_set_quirk(hdev, HCI_QUIRK_BROKEN_FILTER_CLEAR_ALL); + hci_set_quirk(hdev, HCI_QUIRK_NO_SUSPEND_NOTIFIER); + hci_set_quirk(hdev, HCI_QUIRK_BROKEN_READ_VOICE_SETTING); + hci_set_quirk(hdev, HCI_QUIRK_BROKEN_READ_PAGE_SCAN_TYPE); -exit_mfg_disable: - /* Disable the manufacturer mode without reset */ - err = btintel_exit_mfg(hdev, false, false); - if (err) - return err; + /* Clear the reset quirk since this is not an actual + * early Bluetooth 1.1 device from CSR. + */ + hci_clear_quirk(hdev, HCI_QUIRK_RESET_ON_CLOSE); + hci_clear_quirk(hdev, HCI_QUIRK_SIMULTANEOUS_DISCOVERY); - BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name); + /* + * Special workaround for these BT 4.0 chip clones, and potentially more: + * + * - 0x0134: a Barrot 8041a02 (HCI rev: 0x0810 sub: 0x1012) + * - 0x7558: IC markings FR3191AHAL 749H15143 (HCI rev/sub-version: 0x0709) + * + * These controllers are really messed-up. + * + * 1. Their bulk RX endpoint will never report any data unless + * the device was suspended at least once (yes, really). + * 2. They will not wakeup when autosuspended and receiving data + * on their bulk RX endpoint from e.g. a keyboard or mouse + * (IOW remote-wakeup support is broken for the bulk endpoint). + * + * To fix 1. enable runtime-suspend, force-suspend the + * HCI and then wake-it up by disabling runtime-suspend. + * + * To fix 2. clear the HCI's can_wake flag, this way the HCI + * will still be autosuspended when it is not open. + * + * -- + * + * Because these are widespread problems we prefer generic solutions; so + * apply this initialization quirk to every controller that gets here, + * it should be harmless. The alternative is to not work at all. + */ + pm_runtime_allow(&data->udev->dev); - goto complete; + ret = pm_runtime_suspend(&data->udev->dev); + if (ret >= 0) + msleep(200); + else + bt_dev_warn(hdev, "CSR: Couldn't suspend the device for our Barrot 8041a02 receive-issue workaround"); -exit_mfg_deactivate: - release_firmware(fw); + pm_runtime_forbid(&data->udev->dev); - /* Patching failed. Disable the manufacturer mode with reset and - * deactivate the downloaded firmware patches. - */ - err = btintel_exit_mfg(hdev, true, false); - if (err) - return err; + device_set_wakeup_capable(&data->udev->dev, false); - BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated", - hdev->name); + /* Re-enable autosuspend if this was requested */ + if (enable_autosuspend) + usb_enable_autosuspend(data->udev); + } -complete: - /* Set the event mask for Intel specific vendor events. This enables - * a few extra events that are useful during general operation. - */ - btintel_set_event_mask_mfg(hdev, false); + kfree_skb(skb); - btintel_check_bdaddr(hdev); return 0; } @@ -1832,7 +2607,7 @@ static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode) struct hci_event_hdr *hdr; struct hci_ev_cmd_complete *evt; - skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_ATOMIC); + skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL); if (!skb) return -ENOMEM; @@ -1854,93 +2629,27 @@ static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode) static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer, int count) { + struct hci_dev *hdev = data->hdev; + /* When the device is in bootloader mode, then it can send * events via the bulk endpoint. These events are treated the * same way as the ones received from the interrupt endpoint. */ - if (test_bit(BTUSB_BOOTLOADER, &data->flags)) + if (btintel_test_flag(hdev, INTEL_BOOTLOADER)) return btusb_recv_intr(data, buffer, count); return btusb_recv_bulk(data, buffer, count); } -static void btusb_intel_bootup(struct btusb_data *data, const void *ptr, - unsigned int len) -{ - const struct intel_bootup *evt = ptr; - - if (len != sizeof(*evt)) - return; - - if (test_and_clear_bit(BTUSB_BOOTING, &data->flags)) { - smp_mb__after_atomic(); - wake_up_bit(&data->flags, BTUSB_BOOTING); - } -} - -static void btusb_intel_secure_send_result(struct btusb_data *data, - const void *ptr, unsigned int len) -{ - const struct intel_secure_send_result *evt = ptr; - - if (len != sizeof(*evt)) - return; - - if (evt->result) - set_bit(BTUSB_FIRMWARE_FAILED, &data->flags); - - if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags) && - test_bit(BTUSB_FIRMWARE_LOADED, &data->flags)) { - smp_mb__after_atomic(); - wake_up_bit(&data->flags, BTUSB_DOWNLOADING); - } -} - -static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct btusb_data *data = hci_get_drvdata(hdev); - - if (test_bit(BTUSB_BOOTLOADER, &data->flags)) { - struct hci_event_hdr *hdr = (void *)skb->data; - - if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff && - hdr->plen > 0) { - const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1; - unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1; - - switch (skb->data[2]) { - case 0x02: - /* When switching to the operational firmware - * the device sends a vendor specific event - * indicating that the bootup completed. - */ - btusb_intel_bootup(data, ptr, len); - break; - case 0x06: - /* When the firmware loading completes the - * device sends out a vendor specific event - * indicating the result of the firmware - * loading. - */ - btusb_intel_secure_send_result(data, ptr, len); - break; - } - } - } - - return hci_recv_frame(hdev, skb); -} - static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb) { - struct btusb_data *data = hci_get_drvdata(hdev); struct urb *urb; BT_DBG("%s", hdev->name); switch (hci_skb_pkt_type(skb)) { case HCI_COMMAND_PKT: - if (test_bit(BTUSB_BOOTLOADER, &data->flags)) { + if (btintel_test_flag(hdev, INTEL_BOOTLOADER)) { struct hci_command_hdr *cmd = (void *)skb->data; __u16 opcode = le16_to_cpu(cmd->opcode); @@ -1953,12 +2662,12 @@ static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb) else urb = alloc_ctrl_urb(hdev, skb); - /* When the 0xfc01 command is issued to boot into - * the operational firmware, it will actually not - * send a command complete event. To keep the flow + /* When the BTINTEL_HCI_OP_RESET command is issued to + * boot into the operational firmware, it will actually + * not send a command complete event. To keep the flow * control working inject that event here. */ - if (opcode == 0xfc01) + if (opcode == BTINTEL_HCI_OP_RESET) inject_cmd_complete(hdev, opcode); } else { urb = alloc_ctrl_urb(hdev, skb); @@ -1978,7 +2687,8 @@ static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb) return submit_or_queue_tx_urb(hdev, urb); case HCI_SCODATA_PKT: - if (hci_conn_num(hdev, SCO_LINK) < 1) + if (!hci_dev_test_flag(hdev, HCI_USER_CHANNEL) && + hci_conn_num(hdev, SCO_LINK) < 1) return -ENODEV; urb = alloc_isoc_urb(hdev, skb); @@ -1987,382 +2697,220 @@ static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb) hdev->stat.sco_tx++; return submit_tx_urb(hdev, urb); + + case HCI_ISODATA_PKT: + urb = alloc_bulk_urb(hdev, skb); + if (IS_ERR(urb)) + return PTR_ERR(urb); + + return submit_or_queue_tx_urb(hdev, urb); } return -EILSEQ; } -static int btusb_setup_intel_new(struct hci_dev *hdev) +static int btusb_setup_realtek(struct hci_dev *hdev) { - static const u8 reset_param[] = { 0x00, 0x01, 0x00, 0x01, - 0x00, 0x08, 0x04, 0x00 }; struct btusb_data *data = hci_get_drvdata(hdev); - struct sk_buff *skb; - struct intel_version ver; - struct intel_boot_params *params; - const struct firmware *fw; - const u8 *fw_ptr; - u32 frag_len; - char fwname[64]; - ktime_t calltime, delta, rettime; - unsigned long long duration; - int err; - - BT_DBG("%s", hdev->name); - - calltime = ktime_get(); - - /* Read the Intel version information to determine if the device - * is in bootloader mode or if it already has operational firmware - * loaded. - */ - err = btintel_read_version(hdev, &ver); - if (err) - return err; - - /* The hardware platform number has a fixed value of 0x37 and - * for now only accept this single value. - */ - if (ver.hw_platform != 0x37) { - BT_ERR("%s: Unsupported Intel hardware platform (%u)", - hdev->name, ver.hw_platform); - return -EINVAL; - } - - /* Check for supported iBT hardware variants of this firmware - * loading method. - * - * This check has been put in place to ensure correct forward - * compatibility options when newer hardware variants come along. - */ - switch (ver.hw_variant) { - case 0x0b: /* SfP */ - case 0x0c: /* WsP */ - case 0x11: /* JfP */ - case 0x12: /* ThP */ - break; - default: - BT_ERR("%s: Unsupported Intel hardware variant (%u)", - hdev->name, ver.hw_variant); - return -EINVAL; - } - - btintel_version_info(hdev, &ver); - - /* The firmware variant determines if the device is in bootloader - * mode or is running operational firmware. The value 0x06 identifies - * the bootloader and the value 0x23 identifies the operational - * firmware. - * - * When the operational firmware is already present, then only - * the check for valid Bluetooth device address is needed. This - * determines if the device will be added as configured or - * unconfigured controller. - * - * It is not possible to use the Secure Boot Parameters in this - * case since that command is only available in bootloader mode. - */ - if (ver.fw_variant == 0x23) { - clear_bit(BTUSB_BOOTLOADER, &data->flags); - btintel_check_bdaddr(hdev); - return 0; - } - - /* If the device is not in bootloader mode, then the only possible - * choice is to return an error and abort the device initialization. - */ - if (ver.fw_variant != 0x06) { - BT_ERR("%s: Unsupported Intel firmware variant (%u)", - hdev->name, ver.fw_variant); - return -ENODEV; - } - - /* Read the secure boot parameters to identify the operating - * details of the bootloader. - */ - skb = __hci_cmd_sync(hdev, 0xfc0d, 0, NULL, HCI_INIT_TIMEOUT); - if (IS_ERR(skb)) { - BT_ERR("%s: Reading Intel boot parameters failed (%ld)", - hdev->name, PTR_ERR(skb)); - return PTR_ERR(skb); - } - - if (skb->len != sizeof(*params)) { - BT_ERR("%s: Intel boot parameters size mismatch", hdev->name); - kfree_skb(skb); - return -EILSEQ; - } - - params = (struct intel_boot_params *)skb->data; - - BT_INFO("%s: Device revision is %u", hdev->name, - le16_to_cpu(params->dev_revid)); + int ret; - BT_INFO("%s: Secure boot is %s", hdev->name, - params->secure_boot ? "enabled" : "disabled"); + ret = btrtl_setup_realtek(hdev); - BT_INFO("%s: OTP lock is %s", hdev->name, - params->otp_lock ? "enabled" : "disabled"); + if (btrealtek_test_flag(data->hdev, REALTEK_ALT6_CONTINUOUS_TX_CHIP)) + set_bit(BTUSB_ALT6_CONTINUOUS_TX, &data->flags); - BT_INFO("%s: API lock is %s", hdev->name, - params->api_lock ? "enabled" : "disabled"); + return ret; +} - BT_INFO("%s: Debug lock is %s", hdev->name, - params->debug_lock ? "enabled" : "disabled"); +static int btusb_recv_event_realtek(struct hci_dev *hdev, struct sk_buff *skb) +{ + if (skb->data[0] == HCI_VENDOR_PKT && skb->data[2] == RTK_SUB_EVENT_CODE_COREDUMP) { + struct rtk_dev_coredump_hdr hdr = { + .code = RTK_DEVCOREDUMP_CODE_MEMDUMP, + }; - BT_INFO("%s: Minimum firmware build %u week %u %u", hdev->name, - params->min_fw_build_nn, params->min_fw_build_cw, - 2000 + params->min_fw_build_yy); + bt_dev_dbg(hdev, "RTL: received coredump vendor evt, len %u", + skb->len); - /* It is required that every single firmware fragment is acknowledged - * with a command complete event. If the boot parameters indicate - * that this bootloader does not send them, then abort the setup. - */ - if (params->limited_cce != 0x00) { - BT_ERR("%s: Unsupported Intel firmware loading method (%u)", - hdev->name, params->limited_cce); + btusb_rtl_alloc_devcoredump(hdev, &hdr, skb->data, skb->len); kfree_skb(skb); - return -EINVAL; - } - /* If the OTP has no valid Bluetooth device address, then there will - * also be no valid address for the operational firmware. - */ - if (!bacmp(¶ms->otp_bdaddr, BDADDR_ANY)) { - BT_INFO("%s: No device address configured", hdev->name); - set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); + return 0; } - /* With this Intel bootloader only the hardware variant and device - * revision information are used to select the right firmware. - * - * The firmware filename is ibt-<hw_variant>-<dev_revid>.sfi. - * - * Currently the supported hardware variants are: - * 11 (0x0b) for iBT3.0 (LnP/SfP) - * 12 (0x0c) for iBT3.5 (WsP) - * 17 (0x11) for iBT3.5 (JfP) - * 18 (0x12) for iBT3.5 (ThP) - */ - snprintf(fwname, sizeof(fwname), "intel/ibt-%u-%u.sfi", - le16_to_cpu(ver.hw_variant), - le16_to_cpu(params->dev_revid)); - - err = request_firmware(&fw, fwname, &hdev->dev); - if (err < 0) { - BT_ERR("%s: Failed to load Intel firmware file (%d)", - hdev->name, err); - kfree_skb(skb); - return err; - } + return hci_recv_frame(hdev, skb); +} - BT_INFO("%s: Found device firmware: %s", hdev->name, fwname); +static void btusb_mtk_claim_iso_intf(struct btusb_data *data) +{ + struct btmtk_data *btmtk_data; + int err; - /* Save the DDC file name for later use to apply once the firmware - * downloading is done. - */ - snprintf(fwname, sizeof(fwname), "intel/ibt-%u-%u.ddc", - le16_to_cpu(ver.hw_variant), - le16_to_cpu(params->dev_revid)); + if (!data->hdev) + return; - kfree_skb(skb); + btmtk_data = hci_get_priv(data->hdev); + if (!btmtk_data) + return; - if (fw->size < 644) { - BT_ERR("%s: Invalid size of firmware file (%zu)", - hdev->name, fw->size); - err = -EBADF; - goto done; + if (!btmtk_data->isopkt_intf) { + bt_dev_err(data->hdev, "Can't claim NULL iso interface"); + return; } - set_bit(BTUSB_DOWNLOADING, &data->flags); - - /* Start the firmware download transaction with the Init fragment - * represented by the 128 bytes of CSS header. + /* + * The function usb_driver_claim_interface() is documented to need + * locks held if it's not called from a probe routine. The code here + * is called from the hci_power_on workqueue, so grab the lock. */ - err = btintel_secure_send(hdev, 0x00, 128, fw->data); + device_lock(&btmtk_data->isopkt_intf->dev); + err = usb_driver_claim_interface(&btusb_driver, + btmtk_data->isopkt_intf, data); + device_unlock(&btmtk_data->isopkt_intf->dev); if (err < 0) { - BT_ERR("%s: Failed to send firmware header (%d)", - hdev->name, err); - goto done; + btmtk_data->isopkt_intf = NULL; + bt_dev_err(data->hdev, "Failed to claim iso interface: %d", err); + return; } - /* Send the 256 bytes of public key information from the firmware - * as the PKey fragment. - */ - err = btintel_secure_send(hdev, 0x03, 256, fw->data + 128); - if (err < 0) { - BT_ERR("%s: Failed to send firmware public key (%d)", - hdev->name, err); - goto done; - } + set_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags); + init_usb_anchor(&btmtk_data->isopkt_anchor); +} - /* Send the 256 bytes of signature information from the firmware - * as the Sign fragment. - */ - err = btintel_secure_send(hdev, 0x02, 256, fw->data + 388); - if (err < 0) { - BT_ERR("%s: Failed to send firmware signature (%d)", - hdev->name, err); - goto done; - } +static void btusb_mtk_release_iso_intf(struct hci_dev *hdev) +{ + struct btmtk_data *btmtk_data; - fw_ptr = fw->data + 644; - frag_len = 0; + if (!hdev) + return; - while (fw_ptr - fw->data < fw->size) { - struct hci_command_hdr *cmd = (void *)(fw_ptr + frag_len); + btmtk_data = hci_get_priv(hdev); + if (!btmtk_data) + return; - frag_len += sizeof(*cmd) + cmd->plen; + if (test_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags)) { + usb_kill_anchored_urbs(&btmtk_data->isopkt_anchor); + clear_bit(BTMTK_ISOPKT_RUNNING, &btmtk_data->flags); - /* The parameter length of the secure send command requires - * a 4 byte alignment. It happens so that the firmware file - * contains proper Intel_NOP commands to align the fragments - * as needed. - * - * Send set of commands with 4 byte alignment from the - * firmware data buffer as a single Data fragement. - */ - if (!(frag_len % 4)) { - err = btintel_secure_send(hdev, 0x01, frag_len, fw_ptr); - if (err < 0) { - BT_ERR("%s: Failed to send firmware data (%d)", - hdev->name, err); - goto done; - } + if (btmtk_data->isopkt_skb) { + dev_kfree_skb_irq(btmtk_data->isopkt_skb); + btmtk_data->isopkt_skb = NULL; + } - fw_ptr += frag_len; - frag_len = 0; + if (btmtk_data->isopkt_intf) { + usb_set_intfdata(btmtk_data->isopkt_intf, NULL); + usb_driver_release_interface(&btusb_driver, + btmtk_data->isopkt_intf); + btmtk_data->isopkt_intf = NULL; } } - set_bit(BTUSB_FIRMWARE_LOADED, &data->flags); - - BT_INFO("%s: Waiting for firmware download to complete", hdev->name); + clear_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags); +} - /* Before switching the device into operational mode and with that - * booting the loaded firmware, wait for the bootloader notification - * that all fragments have been successfully received. - * - * When the event processing receives the notification, then the - * BTUSB_DOWNLOADING flag will be cleared. - * - * The firmware loading should not take longer than 5 seconds - * and thus just timeout if that happens and fail the setup - * of this device. +static int btusb_mtk_disconnect(struct hci_dev *hdev) +{ + /* This function describes the specific additional steps taken by MediaTek + * when Bluetooth usb driver's resume function is called. */ - err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING, - TASK_INTERRUPTIBLE, - msecs_to_jiffies(5000)); - if (err == -EINTR) { - BT_ERR("%s: Firmware loading interrupted", hdev->name); - goto done; - } - - if (err) { - BT_ERR("%s: Firmware loading timeout", hdev->name); - err = -ETIMEDOUT; - goto done; - } - - if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) { - BT_ERR("%s: Firmware loading failed", hdev->name); - err = -ENOEXEC; - goto done; - } + btusb_mtk_release_iso_intf(hdev); - rettime = ktime_get(); - delta = ktime_sub(rettime, calltime); - duration = (unsigned long long) ktime_to_ns(delta) >> 10; + return 0; +} - BT_INFO("%s: Firmware loaded in %llu usecs", hdev->name, duration); +static int btusb_mtk_reset(struct hci_dev *hdev, void *rst_data) +{ + struct btusb_data *data = hci_get_drvdata(hdev); + struct btmtk_data *btmtk_data = hci_get_priv(hdev); + int err; -done: - release_firmware(fw); + /* It's MediaTek specific bluetooth reset mechanism via USB */ + if (test_and_set_bit(BTMTK_HW_RESET_ACTIVE, &btmtk_data->flags)) { + bt_dev_err(hdev, "last reset failed? Not resetting again"); + return -EBUSY; + } + err = usb_autopm_get_interface(data->intf); if (err < 0) return err; - calltime = ktime_get(); + /* Release MediaTek ISO data interface */ + btusb_mtk_release_iso_intf(hdev); - set_bit(BTUSB_BOOTING, &data->flags); - - skb = __hci_cmd_sync(hdev, 0xfc01, sizeof(reset_param), reset_param, - HCI_INIT_TIMEOUT); - if (IS_ERR(skb)) - return PTR_ERR(skb); - - kfree_skb(skb); + btusb_stop_traffic(data); + usb_kill_anchored_urbs(&data->tx_anchor); - /* The bootloader will not indicate when the device is ready. This - * is done by the operational firmware sending bootup notification. - * - * Booting into operational firmware should not take longer than - * 1 second. However if that happens, then just fail the setup - * since something went wrong. + /* Toggle the hard reset line. The MediaTek device is going to + * yank itself off the USB and then replug. The cleanup is handled + * correctly on the way out (standard USB disconnect), and the new + * device is detected cleanly and bound to the driver again like + * it should be. */ - BT_INFO("%s: Waiting for device to boot", hdev->name); - - err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING, - TASK_INTERRUPTIBLE, - msecs_to_jiffies(1000)); - - if (err == -EINTR) { - BT_ERR("%s: Device boot interrupted", hdev->name); - return -EINTR; + if (data->reset_gpio) { + gpiod_set_value_cansleep(data->reset_gpio, 1); + msleep(200); + gpiod_set_value_cansleep(data->reset_gpio, 0); + return 0; } - if (err) { - BT_ERR("%s: Device boot timeout", hdev->name); - return -ETIMEDOUT; - } + err = btmtk_usb_subsys_reset(hdev, btmtk_data->dev_id); - rettime = ktime_get(); - delta = ktime_sub(rettime, calltime); - duration = (unsigned long long) ktime_to_ns(delta) >> 10; + usb_queue_reset_device(data->intf); + clear_bit(BTMTK_HW_RESET_ACTIVE, &btmtk_data->flags); - BT_INFO("%s: Device booted in %llu usecs", hdev->name, duration); + return err; +} - clear_bit(BTUSB_BOOTLOADER, &data->flags); +static int btusb_send_frame_mtk(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct urb *urb; - /* Once the device is running in operational mode, it needs to apply - * the device configuration (DDC) parameters. - * - * The device can work without DDC parameters, so even if it fails - * to load the file, no need to fail the setup. - */ - btintel_load_ddc_config(hdev, fwname); + BT_DBG("%s", hdev->name); - /* Set the event mask for Intel specific vendor events. This enables - * a few extra events that are useful during general operation. It - * does not enable any debugging related events. - * - * The device will function correctly without these events enabled - * and thus no need to fail the setup. - */ - btintel_set_event_mask(hdev, false); + if (hci_skb_pkt_type(skb) == HCI_ISODATA_PKT) { + urb = alloc_mtk_intr_urb(hdev, skb, btusb_tx_complete); + if (IS_ERR(urb)) + return PTR_ERR(urb); - return 0; + return submit_or_queue_tx_urb(hdev, urb); + } else { + return btusb_send_frame(hdev, skb); + } } -static int btusb_shutdown_intel(struct hci_dev *hdev) +static int btusb_mtk_setup(struct hci_dev *hdev) { - struct sk_buff *skb; - long ret; + struct btusb_data *data = hci_get_drvdata(hdev); + struct btmtk_data *btmtk_data = hci_get_priv(hdev); - /* Some platforms have an issue with BT LED when the interface is - * down or BT radio is turned off, which takes 5 seconds to BT LED - * goes off. This command turns off the BT LED immediately. + /* MediaTek WMT vendor cmd requiring below USB resources to + * complete the handshake. */ - skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT); - if (IS_ERR(skb)) { - ret = PTR_ERR(skb); - BT_ERR("%s: turning off Intel device LED failed (%ld)", - hdev->name, ret); - return ret; + btmtk_data->drv_name = btusb_driver.name; + btmtk_data->intf = data->intf; + btmtk_data->udev = data->udev; + btmtk_data->ctrl_anchor = &data->ctrl_anchor; + btmtk_data->reset_sync = btusb_mtk_reset; + + /* Claim ISO data interface and endpoint */ + if (!test_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags)) { + btmtk_data->isopkt_intf = usb_ifnum_to_if(data->udev, MTK_ISO_IFNUM); + btusb_mtk_claim_iso_intf(data); } - kfree_skb(skb); - return 0; + return btmtk_usb_setup(hdev); +} + +static int btusb_mtk_shutdown(struct hci_dev *hdev) +{ + int ret; + + ret = btmtk_usb_shutdown(hdev); + + /* Release MediaTek iso interface after shutdown */ + btusb_mtk_release_iso_intf(hdev); + + return ret; } #ifdef CONFIG_PM @@ -2391,7 +2939,7 @@ static int marvell_config_oob_wake(struct hci_dev *hdev) skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); if (!skb) { - bt_dev_err(hdev, "%s: No memory\n", __func__); + bt_dev_err(hdev, "%s: No memory", __func__); return -ENOMEM; } @@ -2400,7 +2948,7 @@ static int marvell_config_oob_wake(struct hci_dev *hdev) ret = btusb_send_frame(hdev, skb); if (ret) { - bt_dev_err(hdev, "%s: configuration failed\n", __func__); + bt_dev_err(hdev, "%s: configuration failed", __func__); kfree_skb(skb); return ret; } @@ -2423,8 +2971,8 @@ static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT); if (IS_ERR(skb)) { ret = PTR_ERR(skb); - BT_ERR("%s: changing Marvell device address failed (%ld)", - hdev->name, ret); + bt_dev_err(hdev, "changing Marvell device address failed (%ld)", + ret); return ret; } kfree_skb(skb); @@ -2448,8 +2996,7 @@ static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT); if (IS_ERR(skb)) { ret = PTR_ERR(skb); - BT_ERR("%s: Change address command failed (%ld)", - hdev->name, ret); + bt_dev_err(hdev, "Change address command failed (%ld)", ret); return ret; } kfree_skb(skb); @@ -2457,6 +3004,249 @@ static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, return 0; } +static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev, + const bdaddr_t *bdaddr) +{ + struct sk_buff *skb; + u8 buf[6]; + long ret; + + memcpy(buf, bdaddr, sizeof(bdaddr_t)); + + skb = __hci_cmd_sync_ev(hdev, 0xfc14, sizeof(buf), buf, + HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + ret = PTR_ERR(skb); + bt_dev_err(hdev, "Change address command failed (%ld)", ret); + return ret; + } + kfree_skb(skb); + + return 0; +} + +#define QCA_MEMDUMP_ACL_HANDLE 0x2EDD +#define QCA_MEMDUMP_SIZE_MAX 0x100000 +#define QCA_MEMDUMP_VSE_CLASS 0x01 +#define QCA_MEMDUMP_MSG_TYPE 0x08 +#define QCA_MEMDUMP_PKT_SIZE 248 +#define QCA_LAST_SEQUENCE_NUM 0xffff + +struct qca_dump_hdr { + u8 vse_class; + u8 msg_type; + __le16 seqno; + u8 reserved; + union { + u8 data[0]; + struct { + __le32 ram_dump_size; + u8 data0[0]; + } __packed; + }; +} __packed; + + +static void btusb_dump_hdr_qca(struct hci_dev *hdev, struct sk_buff *skb) +{ + char buf[128]; + struct btusb_data *btdata = hci_get_drvdata(hdev); + + snprintf(buf, sizeof(buf), "Controller Name: 0x%x\n", + btdata->qca_dump.controller_id); + skb_put_data(skb, buf, strlen(buf)); + + snprintf(buf, sizeof(buf), "Firmware Version: 0x%x\n", + btdata->qca_dump.fw_version); + skb_put_data(skb, buf, strlen(buf)); + + snprintf(buf, sizeof(buf), "Driver: %s\nVendor: qca\n", + btusb_driver.name); + skb_put_data(skb, buf, strlen(buf)); + + snprintf(buf, sizeof(buf), "VID: 0x%x\nPID:0x%x\n", + btdata->qca_dump.id_vendor, btdata->qca_dump.id_product); + skb_put_data(skb, buf, strlen(buf)); + + snprintf(buf, sizeof(buf), "Lmp Subversion: 0x%x\n", + hdev->lmp_subver); + skb_put_data(skb, buf, strlen(buf)); +} + +static void btusb_coredump_qca(struct hci_dev *hdev) +{ + int err; + static const u8 param[] = { 0x26 }; + + err = __hci_cmd_send(hdev, 0xfc0c, 1, param); + if (err < 0) + bt_dev_err(hdev, "%s: triggle crash failed (%d)", __func__, err); +} + +/* Return: 0 on success, negative errno on failure. */ +static int handle_dump_pkt_qca(struct hci_dev *hdev, struct sk_buff *skb) +{ + int ret = 0; + unsigned int skip = 0; + u8 pkt_type; + u16 seqno; + u32 dump_size; + + struct qca_dump_hdr *dump_hdr; + struct btusb_data *btdata = hci_get_drvdata(hdev); + struct usb_device *udev = btdata->udev; + + pkt_type = hci_skb_pkt_type(skb); + skip = sizeof(struct hci_event_hdr); + if (pkt_type == HCI_ACLDATA_PKT) + skip += sizeof(struct hci_acl_hdr); + + skb_pull(skb, skip); + dump_hdr = (struct qca_dump_hdr *)skb->data; + + seqno = le16_to_cpu(dump_hdr->seqno); + if (seqno == 0) { + set_bit(BTUSB_HW_SSR_ACTIVE, &btdata->flags); + dump_size = le32_to_cpu(dump_hdr->ram_dump_size); + if (!dump_size || (dump_size > QCA_MEMDUMP_SIZE_MAX)) { + ret = -EILSEQ; + bt_dev_err(hdev, "Invalid memdump size(%u)", + dump_size); + goto out; + } + + ret = hci_devcd_init(hdev, dump_size); + if (ret < 0) { + bt_dev_err(hdev, "memdump init error(%d)", ret); + goto out; + } + + btdata->qca_dump.ram_dump_size = dump_size; + btdata->qca_dump.ram_dump_seqno = 0; + + skb_pull(skb, offsetof(struct qca_dump_hdr, data0)); + + usb_disable_autosuspend(udev); + bt_dev_info(hdev, "%s memdump size(%u)\n", + (pkt_type == HCI_ACLDATA_PKT) ? "ACL" : "event", + dump_size); + } else { + skb_pull(skb, offsetof(struct qca_dump_hdr, data)); + } + + if (!btdata->qca_dump.ram_dump_size) { + ret = -EINVAL; + bt_dev_err(hdev, "memdump is not active"); + goto out; + } + + if ((seqno > btdata->qca_dump.ram_dump_seqno + 1) && (seqno != QCA_LAST_SEQUENCE_NUM)) { + dump_size = QCA_MEMDUMP_PKT_SIZE * (seqno - btdata->qca_dump.ram_dump_seqno - 1); + hci_devcd_append_pattern(hdev, 0x0, dump_size); + bt_dev_err(hdev, + "expected memdump seqno(%u) is not received(%u)\n", + btdata->qca_dump.ram_dump_seqno, seqno); + btdata->qca_dump.ram_dump_seqno = seqno; + kfree_skb(skb); + return ret; + } + + hci_devcd_append(hdev, skb); + btdata->qca_dump.ram_dump_seqno++; + if (seqno == QCA_LAST_SEQUENCE_NUM) { + bt_dev_info(hdev, + "memdump done: pkts(%u), total(%u)\n", + btdata->qca_dump.ram_dump_seqno, btdata->qca_dump.ram_dump_size); + + hci_devcd_complete(hdev); + goto out; + } + return ret; + +out: + if (btdata->qca_dump.ram_dump_size) + usb_enable_autosuspend(udev); + btdata->qca_dump.ram_dump_size = 0; + btdata->qca_dump.ram_dump_seqno = 0; + clear_bit(BTUSB_HW_SSR_ACTIVE, &btdata->flags); + + if (ret < 0) + kfree_skb(skb); + return ret; +} + +/* Return: true if the ACL packet is a dump packet, false otherwise. */ +static bool acl_pkt_is_dump_qca(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct hci_event_hdr *event_hdr; + struct hci_acl_hdr *acl_hdr; + struct qca_dump_hdr *dump_hdr; + struct sk_buff *clone = skb_clone(skb, GFP_ATOMIC); + bool is_dump = false; + + if (!clone) + return false; + + acl_hdr = skb_pull_data(clone, sizeof(*acl_hdr)); + if (!acl_hdr || (le16_to_cpu(acl_hdr->handle) != QCA_MEMDUMP_ACL_HANDLE)) + goto out; + + event_hdr = skb_pull_data(clone, sizeof(*event_hdr)); + if (!event_hdr || (event_hdr->evt != HCI_VENDOR_PKT)) + goto out; + + dump_hdr = skb_pull_data(clone, sizeof(*dump_hdr)); + if (!dump_hdr || (dump_hdr->vse_class != QCA_MEMDUMP_VSE_CLASS) || + (dump_hdr->msg_type != QCA_MEMDUMP_MSG_TYPE)) + goto out; + + is_dump = true; +out: + consume_skb(clone); + return is_dump; +} + +/* Return: true if the event packet is a dump packet, false otherwise. */ +static bool evt_pkt_is_dump_qca(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct hci_event_hdr *event_hdr; + struct qca_dump_hdr *dump_hdr; + struct sk_buff *clone = skb_clone(skb, GFP_ATOMIC); + bool is_dump = false; + + if (!clone) + return false; + + event_hdr = skb_pull_data(clone, sizeof(*event_hdr)); + if (!event_hdr || (event_hdr->evt != HCI_VENDOR_PKT)) + goto out; + + dump_hdr = skb_pull_data(clone, sizeof(*dump_hdr)); + if (!dump_hdr || (dump_hdr->vse_class != QCA_MEMDUMP_VSE_CLASS) || + (dump_hdr->msg_type != QCA_MEMDUMP_MSG_TYPE)) + goto out; + + is_dump = true; +out: + consume_skb(clone); + return is_dump; +} + +static int btusb_recv_acl_qca(struct hci_dev *hdev, struct sk_buff *skb) +{ + if (acl_pkt_is_dump_qca(hdev, skb)) + return handle_dump_pkt_qca(hdev, skb); + return hci_recv_frame(hdev, skb); +} + +static int btusb_recv_evt_qca(struct hci_dev *hdev, struct sk_buff *skb) +{ + if (evt_pkt_is_dump_qca(hdev, skb)) + return handle_dump_pkt_qca(hdev, skb); + return hci_recv_frame(hdev, skb); +} + + #define QCA_DFU_PACKET_LEN 4096 #define QCA_GET_TARGET_VERSION 0x09 @@ -2466,17 +3256,25 @@ static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, #define QCA_SYSCFG_UPDATED 0x40 #define QCA_PATCH_UPDATED 0x80 #define QCA_DFU_TIMEOUT 3000 +#define QCA_FLAG_MULTI_NVM 0x80 +#define QCA_BT_RESET_WAIT_MS 100 + +#define WCN6855_2_0_RAM_VERSION_GF 0x400c1200 +#define WCN6855_2_1_RAM_VERSION_GF 0x400c1211 struct qca_version { __le32 rom_version; __le32 patch_version; __le32 ram_version; - __le32 ref_clock; + __u8 chip_id; + __u8 platform_id; + __le16 flag; __u8 reserved[4]; } __packed; struct qca_rampatch_version { - __le16 rom_version; + __le16 rom_version_high; + __le16 rom_version_low; __le16 patch_version; } __packed; @@ -2487,20 +3285,80 @@ struct qca_device_info { u8 ver_offset; /* offset of version structure in rampatch */ }; +struct qca_custom_firmware { + u32 rom_version; + u16 board_id; + const char *subdirectory; +}; + static const struct qca_device_info qca_devices_table[] = { - { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */ - { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */ - { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */ - { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */ - { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */ - { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */ + { 0x00000100, 20, 4, 8 }, /* Rome 1.0 */ + { 0x00000101, 20, 4, 8 }, /* Rome 1.1 */ + { 0x00000200, 28, 4, 16 }, /* Rome 2.0 */ + { 0x00000201, 28, 4, 16 }, /* Rome 2.1 */ + { 0x00000300, 28, 4, 16 }, /* Rome 3.0 */ + { 0x00000302, 28, 4, 16 }, /* Rome 3.2 */ + { 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */ + { 0x00130200, 40, 4, 16 }, /* WCN6855 2.0 */ + { 0x00130201, 40, 4, 16 }, /* WCN6855 2.1 */ + { 0x00190200, 40, 4, 16 }, /* WCN785x 2.0 */ }; -static int btusb_qca_send_vendor_req(struct hci_dev *hdev, u8 request, +static const struct qca_custom_firmware qca_custom_btfws[] = { + { 0x00130201, 0x030A, "QCA2066" }, + { 0x00130201, 0x030B, "QCA2066" }, + { }, +}; + +static u16 qca_extract_board_id(const struct qca_version *ver) +{ + u16 flag = le16_to_cpu(ver->flag); + u16 board_id = 0; + + if (((flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) { + /* The board_id should be split into two bytes + * The 1st byte is chip ID, and the 2nd byte is platform ID + * For example, board ID 0x010A, 0x01 is platform ID. 0x0A is chip ID + * we have several platforms, and platform IDs are continuously added + * Platform ID: + * 0x00 is for Mobile + * 0x01 is for X86 + * 0x02 is for Automotive + * 0x03 is for Consumer electronic + */ + board_id = (ver->chip_id << 8) + ver->platform_id; + } + + /* Take 0xffff as invalid board ID */ + if (board_id == 0xffff) + board_id = 0; + + return board_id; +} + +static const char *qca_get_fw_subdirectory(const struct qca_version *ver) +{ + const struct qca_custom_firmware *ptr; + u32 rom_ver; + u16 board_id; + + rom_ver = le32_to_cpu(ver->rom_version); + board_id = qca_extract_board_id(ver); + if (!board_id) + return NULL; + + for (ptr = qca_custom_btfws; ptr->rom_version; ptr++) { + if (ptr->rom_version == rom_ver && + ptr->board_id == board_id) + return ptr->subdirectory; + } + + return NULL; +} + +static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request, void *data, u16 size) { - struct btusb_data *btdata = hci_get_drvdata(hdev); - struct usb_device *udev = btdata->udev; int pipe, err; u8 *buf; @@ -2513,9 +3371,9 @@ static int btusb_qca_send_vendor_req(struct hci_dev *hdev, u8 request, */ pipe = usb_rcvctrlpipe(udev, 0); err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN, - 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); + 0, 0, buf, size, USB_CTRL_GET_TIMEOUT); if (err < 0) { - BT_ERR("%s: Failed to access otp area (%d)", hdev->name, err); + dev_err(&udev->dev, "Failed to access otp area (%d)", err); goto done; } @@ -2555,13 +3413,18 @@ static int btusb_setup_qca_download_fw(struct hci_dev *hdev, err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR, 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); if (err < 0) { - BT_ERR("%s: Failed to send headers (%d)", hdev->name, err); + bt_dev_err(hdev, "Failed to send headers (%d)", err); goto done; } sent += size; count -= size; + /* ep2 need time to switch from function acl to function dfu, + * so we add 20ms delay here. + */ + msleep(20); + while (count) { size = min_t(size_t, count, QCA_DFU_PACKET_LEN); @@ -2571,13 +3434,13 @@ static int btusb_setup_qca_download_fw(struct hci_dev *hdev, err = usb_bulk_msg(udev, pipe, buf, size, &len, QCA_DFU_TIMEOUT); if (err < 0) { - BT_ERR("%s: Failed to send body at %zd of %zd (%d)", - hdev->name, sent, firmware->size, err); + bt_dev_err(hdev, "Failed to send body at %zd of %zd (%d)", + sent, firmware->size, err); break; } if (size != len) { - BT_ERR("%s: Failed to get bulk buffer", hdev->name); + bt_dev_err(hdev, "Failed to get bulk buffer"); err = -EILSEQ; break; } @@ -2597,36 +3460,49 @@ static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev, { struct qca_rampatch_version *rver; const struct firmware *fw; - u32 ver_rom, ver_patch; - u16 rver_rom, rver_patch; - char fwname[64]; + const char *fw_subdir; + u32 ver_rom, ver_patch, rver_rom; + u16 rver_rom_low, rver_rom_high, rver_patch; + char fwname[80]; int err; ver_rom = le32_to_cpu(ver->rom_version); ver_patch = le32_to_cpu(ver->patch_version); - snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom); + fw_subdir = qca_get_fw_subdirectory(ver); + if (fw_subdir) + snprintf(fwname, sizeof(fwname), "qca/%s/rampatch_usb_%08x.bin", + fw_subdir, ver_rom); + else + snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", + ver_rom); err = request_firmware(&fw, fwname, &hdev->dev); if (err) { - BT_ERR("%s: failed to request rampatch file: %s (%d)", - hdev->name, fwname, err); + bt_dev_err(hdev, "failed to request rampatch file: %s (%d)", + fwname, err); return err; } - BT_INFO("%s: using rampatch file: %s", hdev->name, fwname); + bt_dev_info(hdev, "using rampatch file: %s", fwname); rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset); - rver_rom = le16_to_cpu(rver->rom_version); + rver_rom_low = le16_to_cpu(rver->rom_version_low); rver_patch = le16_to_cpu(rver->patch_version); - BT_INFO("%s: QCA: patch rome 0x%x build 0x%x, firmware rome 0x%x " - "build 0x%x", hdev->name, rver_rom, rver_patch, ver_rom, - ver_patch); + if (ver_rom & ~0xffffU) { + rver_rom_high = le16_to_cpu(rver->rom_version_high); + rver_rom = rver_rom_high << 16 | rver_rom_low; + } else { + rver_rom = rver_rom_low; + } + + bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, " + "firmware rome 0x%x build 0x%x", + rver_rom, rver_patch, ver_rom, ver_patch); if (rver_rom != ver_rom || rver_patch <= ver_patch) { - BT_ERR("%s: rampatch file version did not match with firmware", - hdev->name); + bt_dev_err(hdev, "rampatch file version did not match with firmware"); err = -EINVAL; goto done; } @@ -2639,25 +3515,58 @@ done: return err; } +static void btusb_generate_qca_nvm_name(char *fwname, size_t max_size, + const struct qca_version *ver) +{ + u32 rom_version = le32_to_cpu(ver->rom_version); + const char *variant, *fw_subdir; + int len; + u16 board_id; + + fw_subdir = qca_get_fw_subdirectory(ver); + board_id = qca_extract_board_id(ver); + + switch (le32_to_cpu(ver->ram_version)) { + case WCN6855_2_0_RAM_VERSION_GF: + case WCN6855_2_1_RAM_VERSION_GF: + variant = "_gf"; + break; + default: + variant = NULL; + break; + } + + if (fw_subdir) + len = snprintf(fwname, max_size, "qca/%s/nvm_usb_%08x", + fw_subdir, rom_version); + else + len = snprintf(fwname, max_size, "qca/nvm_usb_%08x", + rom_version); + if (variant) + len += snprintf(fwname + len, max_size - len, "%s", variant); + if (board_id) + len += snprintf(fwname + len, max_size - len, "_%04x", board_id); + len += snprintf(fwname + len, max_size - len, ".bin"); +} + static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, struct qca_version *ver, const struct qca_device_info *info) { const struct firmware *fw; - char fwname[64]; + char fwname[80]; int err; - snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin", - le32_to_cpu(ver->rom_version)); + btusb_generate_qca_nvm_name(fwname, sizeof(fwname), ver); err = request_firmware(&fw, fwname, &hdev->dev); if (err) { - BT_ERR("%s: failed to request NVM file: %s (%d)", - hdev->name, fwname, err); + bt_dev_err(hdev, "failed to request NVM file: %s (%d)", + fwname, err); return err; } - BT_INFO("%s: using NVM file: %s", hdev->name, fwname); + bt_dev_info(hdev, "using NVM file: %s", fwname); err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr); @@ -2666,31 +3575,52 @@ static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, return err; } +/* identify the ROM version and check whether patches are needed */ +static bool btusb_qca_need_patch(struct usb_device *udev) +{ + struct qca_version ver; + + if (btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver, + sizeof(ver)) < 0) + return false; + /* only low ROM versions need patches */ + return !(le32_to_cpu(ver.rom_version) & ~0xffffU); +} + static int btusb_setup_qca(struct hci_dev *hdev) { + struct btusb_data *btdata = hci_get_drvdata(hdev); + struct usb_device *udev = btdata->udev; const struct qca_device_info *info = NULL; struct qca_version ver; u32 ver_rom; u8 status; int i, err; - err = btusb_qca_send_vendor_req(hdev, QCA_GET_TARGET_VERSION, &ver, + err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver, sizeof(ver)); if (err < 0) return err; ver_rom = le32_to_cpu(ver.rom_version); + for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) { if (ver_rom == qca_devices_table[i].rom_version) info = &qca_devices_table[i]; } if (!info) { - BT_ERR("%s: don't support firmware rome 0x%x", hdev->name, - ver_rom); + /* If the rom_version is not matched in the qca_devices_table + * and the high ROM version is not zero, we assume this chip no + * need to load the rampatch and nvm. + */ + if (ver_rom & ~0xffffU) + return 0; + + bt_dev_err(hdev, "don't support firmware rome 0x%x", ver_rom); return -ENODEV; } - err = btusb_qca_send_vendor_req(hdev, QCA_CHECK_STATUS, &status, + err = btusb_qca_send_vendor_req(udev, QCA_CHECK_STATUS, &status, sizeof(status)); if (err < 0) return err; @@ -2701,16 +3631,35 @@ static int btusb_setup_qca(struct hci_dev *hdev) return err; } + err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver, + sizeof(ver)); + if (err < 0) + return err; + + btdata->qca_dump.fw_version = le32_to_cpu(ver.patch_version); + btdata->qca_dump.controller_id = le32_to_cpu(ver.rom_version); + if (!(status & QCA_SYSCFG_UPDATED)) { err = btusb_setup_qca_load_nvm(hdev, &ver, info); if (err < 0) return err; + + /* WCN6855 2.1 and later will reset to apply firmware downloaded here, so + * wait ~100ms for reset Done then go ahead, otherwise, it maybe + * cause potential enable failure. + */ + if (info->rom_version >= 0x00130201) + msleep(QCA_BT_RESET_WAIT_MS); } + /* Mark HCI_OP_ENHANCED_SETUP_SYNC_CONN as broken as it doesn't seem to + * work with the likes of HSP/HFP mSBC. + */ + hci_set_quirk(hdev, HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN); + return 0; } -#ifdef CONFIG_BT_HCIBTUSB_BCM static inline int __set_diag_interface(struct hci_dev *hdev) { struct btusb_data *data = hci_get_drvdata(hdev); @@ -2740,7 +3689,7 @@ static inline int __set_diag_interface(struct hci_dev *hdev) } if (!data->diag_tx_ep || !data->diag_rx_ep) { - BT_ERR("%s invalid diagnostic descriptors", hdev->name); + bt_dev_err(hdev, "invalid diagnostic descriptors"); return -ENODEV; } @@ -2797,7 +3746,6 @@ static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable) return submit_or_queue_tx_urb(hdev, urb); } -#endif #ifdef CONFIG_PM static irqreturn_t btusb_oob_wake_handler(int irq, void *priv) @@ -2817,6 +3765,8 @@ static irqreturn_t btusb_oob_wake_handler(int irq, void *priv) static const struct of_device_id btusb_match_table[] = { { .compatible = "usb1286,204e" }, + { .compatible = "usbcf3,e300" }, /* QCA6174A */ + { .compatible = "usb4ca,301a" }, /* QCA6174A (Lite-On) */ { } }; MODULE_DEVICE_TABLE(of, btusb_match_table); @@ -2840,6 +3790,7 @@ static int btusb_config_oob_wake(struct hci_dev *hdev) return 0; } + irq_set_status_flags(irq, IRQ_NOAUTOEN); ret = devm_request_irq(&hdev->dev, irq, btusb_oob_wake_handler, 0, "OOB Wake-on-BT", data); if (ret) { @@ -2854,37 +3805,235 @@ static int btusb_config_oob_wake(struct hci_dev *hdev) } data->oob_wake_irq = irq; - disable_irq(irq); bt_dev_info(hdev, "OOB Wake-on-BT configured at IRQ %u", irq); return 0; } #endif +static void btusb_check_needs_reset_resume(struct usb_interface *intf) +{ + if (dmi_check_system(btusb_needs_reset_resume_table)) + interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME; +} + +static bool btusb_wakeup(struct hci_dev *hdev) +{ + struct btusb_data *data = hci_get_drvdata(hdev); + + return device_may_wakeup(&data->udev->dev); +} + +static int btusb_shutdown_qca(struct hci_dev *hdev) +{ + struct sk_buff *skb; + + skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); + if (IS_ERR(skb)) { + bt_dev_err(hdev, "HCI reset during shutdown failed"); + return PTR_ERR(skb); + } + kfree_skb(skb); + + return 0; +} + +static ssize_t force_poll_sync_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct btusb_data *data = file->private_data; + char buf[3]; + + buf[0] = data->poll_sync ? 'Y' : 'N'; + buf[1] = '\n'; + buf[2] = '\0'; + return simple_read_from_buffer(user_buf, count, ppos, buf, 2); +} + +static ssize_t force_poll_sync_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct btusb_data *data = file->private_data; + bool enable; + int err; + + err = kstrtobool_from_user(user_buf, count, &enable); + if (err) + return err; + + /* Only allow changes while the adapter is down */ + if (test_bit(HCI_UP, &data->hdev->flags)) + return -EPERM; + + if (data->poll_sync == enable) + return -EALREADY; + + data->poll_sync = enable; + + return count; +} + +static const struct file_operations force_poll_sync_fops = { + .owner = THIS_MODULE, + .open = simple_open, + .read = force_poll_sync_read, + .write = force_poll_sync_write, + .llseek = default_llseek, +}; + +#define BTUSB_HCI_DRV_OP_SUPPORTED_ALTSETTINGS \ + hci_opcode_pack(HCI_DRV_OGF_DRIVER_SPECIFIC, 0x0000) +#define BTUSB_HCI_DRV_SUPPORTED_ALTSETTINGS_SIZE 0 +struct btusb_hci_drv_rp_supported_altsettings { + __u8 num; + __u8 altsettings[]; +} __packed; + +#define BTUSB_HCI_DRV_OP_SWITCH_ALTSETTING \ + hci_opcode_pack(HCI_DRV_OGF_DRIVER_SPECIFIC, 0x0001) +#define BTUSB_HCI_DRV_SWITCH_ALTSETTING_SIZE 1 +struct btusb_hci_drv_cmd_switch_altsetting { + __u8 altsetting; +} __packed; + +static const struct { + u16 opcode; + const char *desc; +} btusb_hci_drv_supported_commands[] = { + /* Common commands */ + { HCI_DRV_OP_READ_INFO, "Read Info" }, + + /* Driver specific commands */ + { BTUSB_HCI_DRV_OP_SUPPORTED_ALTSETTINGS, "Supported Altsettings" }, + { BTUSB_HCI_DRV_OP_SWITCH_ALTSETTING, "Switch Altsetting" }, +}; +static int btusb_hci_drv_read_info(struct hci_dev *hdev, void *data, + u16 data_len) +{ + struct hci_drv_rp_read_info *rp; + size_t rp_size; + int err, i; + u16 opcode, num_supported_commands = + ARRAY_SIZE(btusb_hci_drv_supported_commands); + + rp_size = sizeof(*rp) + num_supported_commands * 2; + + rp = kmalloc(rp_size, GFP_KERNEL); + if (!rp) + return -ENOMEM; + + strscpy_pad(rp->driver_name, btusb_driver.name); + + rp->num_supported_commands = cpu_to_le16(num_supported_commands); + for (i = 0; i < num_supported_commands; i++) { + opcode = btusb_hci_drv_supported_commands[i].opcode; + bt_dev_info(hdev, + "Supported HCI Drv command (0x%02x|0x%04x): %s", + hci_opcode_ogf(opcode), + hci_opcode_ocf(opcode), + btusb_hci_drv_supported_commands[i].desc); + rp->supported_commands[i] = cpu_to_le16(opcode); + } + + err = hci_drv_cmd_complete(hdev, HCI_DRV_OP_READ_INFO, + HCI_DRV_STATUS_SUCCESS, rp, rp_size); + + kfree(rp); + return err; +} + +static int btusb_hci_drv_supported_altsettings(struct hci_dev *hdev, void *data, + u16 data_len) +{ + struct btusb_data *drvdata = hci_get_drvdata(hdev); + struct btusb_hci_drv_rp_supported_altsettings *rp; + size_t rp_size; + int err; + u8 i; + + /* There are at most 7 alt (0 - 6) */ + rp = kmalloc(sizeof(*rp) + 7, GFP_KERNEL); + if (!rp) + return -ENOMEM; + + rp->num = 0; + if (!drvdata->isoc) + goto done; + + for (i = 0; i <= 6; i++) { + if (btusb_find_altsetting(drvdata, i)) + rp->altsettings[rp->num++] = i; + } + +done: + rp_size = sizeof(*rp) + rp->num; + + err = hci_drv_cmd_complete(hdev, BTUSB_HCI_DRV_OP_SUPPORTED_ALTSETTINGS, + HCI_DRV_STATUS_SUCCESS, rp, rp_size); + kfree(rp); + return err; +} + +static int btusb_hci_drv_switch_altsetting(struct hci_dev *hdev, void *data, + u16 data_len) +{ + struct btusb_hci_drv_cmd_switch_altsetting *cmd = data; + u8 status; + + if (cmd->altsetting > 6) { + status = HCI_DRV_STATUS_INVALID_PARAMETERS; + } else { + if (btusb_switch_alt_setting(hdev, cmd->altsetting)) + status = HCI_DRV_STATUS_UNSPECIFIED_ERROR; + else + status = HCI_DRV_STATUS_SUCCESS; + } + + return hci_drv_cmd_status(hdev, BTUSB_HCI_DRV_OP_SWITCH_ALTSETTING, + status); +} + +static const struct hci_drv_handler btusb_hci_drv_common_handlers[] = { + { btusb_hci_drv_read_info, HCI_DRV_READ_INFO_SIZE }, +}; + +static const struct hci_drv_handler btusb_hci_drv_specific_handlers[] = { + { btusb_hci_drv_supported_altsettings, + BTUSB_HCI_DRV_SUPPORTED_ALTSETTINGS_SIZE }, + { btusb_hci_drv_switch_altsetting, + BTUSB_HCI_DRV_SWITCH_ALTSETTING_SIZE }, +}; + +static struct hci_drv btusb_hci_drv = { + .common_handler_count = ARRAY_SIZE(btusb_hci_drv_common_handlers), + .common_handlers = btusb_hci_drv_common_handlers, + .specific_handler_count = ARRAY_SIZE(btusb_hci_drv_specific_handlers), + .specific_handlers = btusb_hci_drv_specific_handlers, +}; + static int btusb_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct usb_endpoint_descriptor *ep_desc; + struct gpio_desc *reset_gpio; struct btusb_data *data; struct hci_dev *hdev; unsigned ifnum_base; - int i, err; + int i, err, priv_size; BT_DBG("intf %p id %p", intf, id); - /* interface numbers are hardcoded in the spec */ - if (intf->cur_altsetting->desc.bInterfaceNumber != 0) { - if (!(id->driver_info & BTUSB_IFNUM_2)) - return -ENODEV; - if (intf->cur_altsetting->desc.bInterfaceNumber != 2) - return -ENODEV; - } + if ((id->driver_info & BTUSB_IFNUM_2) && + (intf->cur_altsetting->desc.bInterfaceNumber != 0) && + (intf->cur_altsetting->desc.bInterfaceNumber != 2)) + return -ENODEV; ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber; if (!id->driver_info) { const struct usb_device_id *match; - match = usb_match_id(intf, blacklist_table); + match = usb_match_id(intf, quirks_table); if (match) id = match; } @@ -2896,8 +4045,10 @@ static int btusb_probe(struct usb_interface *intf, struct usb_device *udev = interface_to_usbdev(intf); /* Old firmware would otherwise let ath3k driver load - * patch and sysconfig files */ - if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) + * patch and sysconfig files + */ + if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001 && + !btusb_qca_need_patch(udev)) return -ENODEV; } @@ -2940,6 +4091,10 @@ static int btusb_probe(struct usb_interface *intf, INIT_WORK(&data->work, btusb_work); INIT_WORK(&data->waker, btusb_waker); + INIT_DELAYED_WORK(&data->rx_work, btusb_rx_work); + + skb_queue_head_init(&data->acl_q); + init_usb_anchor(&data->deferred); init_usb_anchor(&data->tx_anchor); spin_lock_init(&data->txlock); @@ -2948,38 +4103,60 @@ static int btusb_probe(struct usb_interface *intf, init_usb_anchor(&data->bulk_anchor); init_usb_anchor(&data->isoc_anchor); init_usb_anchor(&data->diag_anchor); + init_usb_anchor(&data->ctrl_anchor); spin_lock_init(&data->rxlock); - if (id->driver_info & BTUSB_INTEL_NEW) { - data->recv_event = btusb_recv_event_intel; + priv_size = 0; + + data->recv_event = hci_recv_frame; + data->recv_bulk = btusb_recv_bulk; + + if (id->driver_info & BTUSB_INTEL_COMBINED) { + /* Allocate extra space for Intel device */ + priv_size += sizeof(struct btintel_data); + + /* Override the rx handlers */ + data->recv_event = btintel_recv_event; data->recv_bulk = btusb_recv_bulk_intel; - set_bit(BTUSB_BOOTLOADER, &data->flags); - } else { - data->recv_event = hci_recv_frame; - data->recv_bulk = btusb_recv_bulk; + } else if (id->driver_info & BTUSB_REALTEK) { + /* Allocate extra space for Realtek device */ + priv_size += sizeof(struct btrealtek_data); + + data->recv_event = btusb_recv_event_realtek; + } else if (id->driver_info & BTUSB_MEDIATEK) { + /* Allocate extra space for Mediatek device */ + priv_size += sizeof(struct btmtk_data); } - hdev = hci_alloc_dev(); + data->recv_acl = hci_recv_frame; + + hdev = hci_alloc_dev_priv(priv_size); if (!hdev) return -ENOMEM; hdev->bus = HCI_USB; hci_set_drvdata(hdev, data); - if (id->driver_info & BTUSB_AMP) - hdev->dev_type = HCI_AMP; - else - hdev->dev_type = HCI_PRIMARY; - data->hdev = hdev; SET_HCIDEV_DEV(hdev, &intf->dev); - hdev->open = btusb_open; - hdev->close = btusb_close; - hdev->flush = btusb_flush; - hdev->send = btusb_send_frame; - hdev->notify = btusb_notify; + reset_gpio = gpiod_get_optional(&data->udev->dev, "reset", + GPIOD_OUT_LOW); + if (IS_ERR(reset_gpio)) { + err = PTR_ERR(reset_gpio); + goto out_free_dev; + } else if (reset_gpio) { + data->reset_gpio = reset_gpio; + } + + hdev->open = btusb_open; + hdev->close = btusb_close; + hdev->flush = btusb_flush; + hdev->send = btusb_send_frame; + hdev->notify = btusb_notify; + hdev->wakeup = btusb_wakeup; + hdev->hci_drv = &btusb_hci_drv; #ifdef CONFIG_PM err = btusb_config_oob_wake(hdev); @@ -2994,16 +4171,16 @@ static int btusb_probe(struct usb_interface *intf, } #endif if (id->driver_info & BTUSB_CW6622) - set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); + hci_set_quirk(hdev, HCI_QUIRK_BROKEN_STORED_LINK_KEY); if (id->driver_info & BTUSB_BCM2045) - set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); + hci_set_quirk(hdev, HCI_QUIRK_BROKEN_STORED_LINK_KEY); if (id->driver_info & BTUSB_BCM92035) hdev->setup = btusb_setup_bcm92035; -#ifdef CONFIG_BT_HCIBTUSB_BCM - if (id->driver_info & BTUSB_BCM_PATCHRAM) { + if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && + (id->driver_info & BTUSB_BCM_PATCHRAM)) { hdev->manufacturer = 15; hdev->setup = btbcm_setup_patchram; hdev->set_diag = btusb_bcm_set_diag; @@ -3013,7 +4190,8 @@ static int btusb_probe(struct usb_interface *intf, data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2); } - if (id->driver_info & BTUSB_BCM_APPLE) { + if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && + (id->driver_info & BTUSB_BCM_APPLE)) { hdev->manufacturer = 15; hdev->setup = btbcm_setup_apple; hdev->set_diag = btusb_bcm_set_diag; @@ -3021,65 +4199,86 @@ static int btusb_probe(struct usb_interface *intf, /* Broadcom LM_DIAG Interface numbers are hardcoded */ data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2); } -#endif - if (id->driver_info & BTUSB_INTEL) { - hdev->manufacturer = 2; - hdev->setup = btusb_setup_intel; - hdev->shutdown = btusb_shutdown_intel; - hdev->set_diag = btintel_set_diag_mfg; - hdev->set_bdaddr = btintel_set_bdaddr; - set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); - set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); - set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks); - } + /* Combined Intel Device setup to support multiple setup routine */ + if (id->driver_info & BTUSB_INTEL_COMBINED) { + err = btintel_configure_setup(hdev, btusb_driver.name); + if (err) + goto out_free_dev; - if (id->driver_info & BTUSB_INTEL_NEW) { - hdev->manufacturer = 2; + /* Transport specific configuration */ hdev->send = btusb_send_frame_intel; - hdev->setup = btusb_setup_intel_new; - hdev->hw_error = btintel_hw_error; - hdev->set_diag = btintel_set_diag; - hdev->set_bdaddr = btintel_set_bdaddr; - set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); - set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks); + hdev->reset = btusb_intel_reset; + + if (id->driver_info & BTUSB_INTEL_NO_WBS_SUPPORT) + btintel_set_flag(hdev, INTEL_ROM_LEGACY_NO_WBS_SUPPORT); + + if (id->driver_info & BTUSB_INTEL_BROKEN_INITIAL_NCMD) + btintel_set_flag(hdev, INTEL_BROKEN_INITIAL_NCMD); + + if (id->driver_info & BTUSB_INTEL_BROKEN_SHUTDOWN_LED) + btintel_set_flag(hdev, INTEL_BROKEN_SHUTDOWN_LED); } if (id->driver_info & BTUSB_MARVELL) hdev->set_bdaddr = btusb_set_bdaddr_marvell; + if (IS_ENABLED(CONFIG_BT_HCIBTUSB_MTK) && + (id->driver_info & BTUSB_MEDIATEK)) { + hdev->setup = btusb_mtk_setup; + hdev->shutdown = btusb_mtk_shutdown; + hdev->manufacturer = 70; + hdev->reset = btmtk_reset_sync; + hdev->set_bdaddr = btmtk_set_bdaddr; + hdev->send = btusb_send_frame_mtk; + hci_set_quirk(hdev, HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN); + hci_set_quirk(hdev, HCI_QUIRK_NON_PERSISTENT_SETUP); + data->recv_acl = btmtk_usb_recv_acl; + data->suspend = btmtk_usb_suspend; + data->resume = btmtk_usb_resume; + data->disconnect = btusb_mtk_disconnect; + } + if (id->driver_info & BTUSB_SWAVE) { - set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks); - set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks); + hci_set_quirk(hdev, HCI_QUIRK_FIXUP_INQUIRY_MODE); + hci_set_quirk(hdev, HCI_QUIRK_BROKEN_LOCAL_COMMANDS); } if (id->driver_info & BTUSB_INTEL_BOOT) { hdev->manufacturer = 2; - set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); + hci_set_quirk(hdev, HCI_QUIRK_RAW_DEVICE); } if (id->driver_info & BTUSB_ATH3012) { + data->setup_on_usb = btusb_setup_qca; hdev->set_bdaddr = btusb_set_bdaddr_ath3012; - set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); - set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); + hci_set_quirk(hdev, HCI_QUIRK_SIMULTANEOUS_DISCOVERY); + hci_set_quirk(hdev, HCI_QUIRK_STRICT_DUPLICATE_FILTER); } if (id->driver_info & BTUSB_QCA_ROME) { data->setup_on_usb = btusb_setup_qca; + hdev->shutdown = btusb_shutdown_qca; hdev->set_bdaddr = btusb_set_bdaddr_ath3012; + hdev->reset = btusb_qca_reset; + hci_set_quirk(hdev, HCI_QUIRK_SIMULTANEOUS_DISCOVERY); + btusb_check_needs_reset_resume(intf); } -#ifdef CONFIG_BT_HCIBTUSB_RTL - if (id->driver_info & BTUSB_REALTEK) { - hdev->setup = btrtl_setup_realtek; - - /* Realtek devices lose their updated firmware over suspend, - * but the USB hub doesn't notice any status change. - * Explicitly request a device reset on resume. - */ - set_bit(BTUSB_RESET_RESUME, &data->flags); + if (id->driver_info & BTUSB_QCA_WCN6855) { + data->qca_dump.id_vendor = id->idVendor; + data->qca_dump.id_product = id->idProduct; + data->recv_event = btusb_recv_evt_qca; + data->recv_acl = btusb_recv_acl_qca; + hci_devcd_register(hdev, btusb_coredump_qca, btusb_dump_hdr_qca, NULL); + data->setup_on_usb = btusb_setup_qca; + hdev->classify_pkt_type = btusb_classify_qca_pkt_type; + hdev->shutdown = btusb_shutdown_qca; + hdev->set_bdaddr = btusb_set_bdaddr_wcn6855; + hdev->reset = btusb_qca_reset; + hci_set_quirk(hdev, HCI_QUIRK_SIMULTANEOUS_DISCOVERY); + hci_set_msft_opcode(hdev, 0xFD70); } -#endif if (id->driver_info & BTUSB_AMP) { /* AMP controllers do not support SCO packets */ @@ -3087,22 +4286,53 @@ static int btusb_probe(struct usb_interface *intf, } else { /* Interface orders are hardcoded in the specification */ data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1); + data->isoc_ifnum = ifnum_base + 1; + } + + if (IS_ENABLED(CONFIG_BT_HCIBTUSB_RTL) && + (id->driver_info & BTUSB_REALTEK)) { + btrtl_set_driver_name(hdev, btusb_driver.name); + hdev->setup = btusb_setup_realtek; + hdev->shutdown = btrtl_shutdown_realtek; + hdev->reset = btusb_rtl_reset; + hdev->hw_error = btusb_rtl_hw_error; + + /* Realtek devices need to set remote wakeup on auto-suspend */ + set_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags); + set_bit(BTUSB_USE_ALT3_FOR_WBS, &data->flags); + } + + if (id->driver_info & BTUSB_ACTIONS_SEMI) { + /* Support is advertised, but not implemented */ + hci_set_quirk(hdev, HCI_QUIRK_BROKEN_ERR_DATA_REPORTING); + hci_set_quirk(hdev, HCI_QUIRK_BROKEN_READ_TRANSMIT_POWER); + hci_set_quirk(hdev, HCI_QUIRK_BROKEN_SET_RPA_TIMEOUT); + hci_set_quirk(hdev, HCI_QUIRK_BROKEN_EXT_SCAN); + hci_set_quirk(hdev, HCI_QUIRK_BROKEN_READ_ENC_KEY_SIZE); + hci_set_quirk(hdev, HCI_QUIRK_BROKEN_EXT_CREATE_CONN); + hci_set_quirk(hdev, HCI_QUIRK_BROKEN_WRITE_AUTH_PAYLOAD_TIMEOUT); } if (!reset) - set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); + hci_set_quirk(hdev, HCI_QUIRK_RESET_ON_CLOSE); if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { if (!disable_scofix) - set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); + hci_set_quirk(hdev, HCI_QUIRK_FIXUP_BUFFER_SIZE); } if (id->driver_info & BTUSB_BROKEN_ISOC) data->isoc = NULL; + if (id->driver_info & BTUSB_WIDEBAND_SPEECH) + hci_set_quirk(hdev, HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED); + + if (id->driver_info & BTUSB_INVALID_LE_STATES) + hci_set_quirk(hdev, HCI_QUIRK_BROKEN_LE_STATES); + if (id->driver_info & BTUSB_DIGIANSWER) { data->cmdreq_type = USB_TYPE_VENDOR; - set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); + hci_set_quirk(hdev, HCI_QUIRK_RESET_ON_CLOSE); } if (id->driver_info & BTUSB_CSR) { @@ -3111,13 +4341,15 @@ static int btusb_probe(struct usb_interface *intf, /* Old firmware would otherwise execute USB reset */ if (bcdDevice < 0x117) - set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); + hci_set_quirk(hdev, HCI_QUIRK_RESET_ON_CLOSE); + + /* This must be set first in case we disable it for fakes */ + hci_set_quirk(hdev, HCI_QUIRK_SIMULTANEOUS_DISCOVERY); /* Fake CSR devices with broken commands */ - if (bcdDevice <= 0x100 || bcdDevice == 0x134) + if (le16_to_cpu(udev->descriptor.idVendor) == 0x0a12 && + le16_to_cpu(udev->descriptor.idProduct) == 0x0001) hdev->setup = btusb_setup_csr; - - set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); } if (id->driver_info & BTUSB_SNIFFER) { @@ -3125,7 +4357,7 @@ static int btusb_probe(struct usb_interface *intf, /* New sniffer firmware has crippled HCI interface */ if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) - set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); + hci_set_quirk(hdev, HCI_QUIRK_RAW_DEVICE); } if (id->driver_info & BTUSB_INTEL_BOOT) { @@ -3146,15 +4378,18 @@ static int btusb_probe(struct usb_interface *intf, goto out_free_dev; } -#ifdef CONFIG_BT_HCIBTUSB_BCM - if (data->diag) { + if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && data->diag) { if (!usb_driver_claim_interface(&btusb_driver, data->diag, data)) __set_diag_interface(hdev); else data->diag = NULL; } -#endif + + if (enable_autosuspend) + usb_enable_autosuspend(data->udev); + + data->poll_sync = enable_poll_sync; err = hci_register_dev(hdev); if (err < 0) @@ -3162,9 +4397,14 @@ static int btusb_probe(struct usb_interface *intf, usb_set_intfdata(intf, data); + debugfs_create_file("force_poll_sync", 0644, hdev->debugfs, data, + &force_poll_sync_fops); + return 0; out_free_dev: + if (data->reset_gpio) + gpiod_put(data->reset_gpio); hci_free_dev(hdev); return err; } @@ -3188,8 +4428,16 @@ static void btusb_disconnect(struct usb_interface *intf) if (data->diag) usb_set_intfdata(data->diag, NULL); + if (data->disconnect) + data->disconnect(hdev); + hci_unregister_dev(hdev); + if (data->oob_wake_irq) + device_init_wakeup(&data->udev->dev, false); + if (data->reset_gpio) + gpiod_put(data->reset_gpio); + if (intf == data->intf) { if (data->isoc) usb_driver_release_interface(&btusb_driver, data->isoc); @@ -3200,14 +4448,11 @@ static void btusb_disconnect(struct usb_interface *intf) usb_driver_release_interface(&btusb_driver, data->diag); usb_driver_release_interface(&btusb_driver, data->intf); } else if (intf == data->diag) { - usb_driver_release_interface(&btusb_driver, data->intf); if (data->isoc) usb_driver_release_interface(&btusb_driver, data->isoc); + usb_driver_release_interface(&btusb_driver, data->intf); } - if (data->oob_wake_irq) - device_init_wakeup(&data->udev->dev, false); - hci_free_dev(hdev); } @@ -3218,6 +4463,12 @@ static int btusb_suspend(struct usb_interface *intf, pm_message_t message) BT_DBG("intf %p", intf); + /* Don't auto-suspend if there are connections; external suspend calls + * shall never fail. + */ + if (PMSG_IS_AUTO(message) && hci_conn_count(data->hdev)) + return -EBUSY; + if (data->suspend_count++) return 0; @@ -3233,6 +4484,9 @@ static int btusb_suspend(struct usb_interface *intf, pm_message_t message) cancel_work_sync(&data->work); + if (data->suspend) + data->suspend(data->hdev); + btusb_stop_traffic(data); usb_kill_anchored_urbs(&data->tx_anchor); @@ -3242,13 +4496,21 @@ static int btusb_suspend(struct usb_interface *intf, pm_message_t message) enable_irq(data->oob_wake_irq); } - /* Optionally request a device reset on resume, but only when - * wakeups are disabled. If wakeups are enabled we assume the - * device will stay powered up throughout suspend. + /* For global suspend, Realtek devices lose the loaded fw + * in them. But for autosuspend, firmware should remain. + * Actually, it depends on whether the usb host sends + * set feature (enable wakeup) or not. */ - if (test_bit(BTUSB_RESET_RESUME, &data->flags) && - !device_may_wakeup(&data->udev->dev)) - data->udev->reset_resume = 1; + if (test_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags)) { + if (PMSG_IS_AUTO(message) && + device_can_wakeup(&data->udev->dev)) + data->udev->do_remote_wakeup = 1; + else if (!PMSG_IS_AUTO(message) && + !device_may_wakeup(&data->udev->dev)) { + data->udev->do_remote_wakeup = 0; + data->udev->reset_resume = 1; + } + } return 0; } @@ -3259,13 +4521,28 @@ static void play_deferred(struct btusb_data *data) int err; while ((urb = usb_get_from_anchor(&data->deferred))) { + usb_anchor_urb(urb, &data->tx_anchor); + err = usb_submit_urb(urb, GFP_ATOMIC); - if (err < 0) + if (err < 0) { + if (err != -EPERM && err != -ENODEV) + BT_ERR("%s urb %p submission failed (%d)", + data->hdev->name, urb, -err); + kfree(urb->setup_packet); + usb_unanchor_urb(urb); + usb_free_urb(urb); break; + } data->tx_in_flight++; + usb_free_urb(urb); + } + + /* Cleanup the rest deferred urbs. */ + while ((urb = usb_get_from_anchor(&data->deferred))) { + kfree(urb->setup_packet); + usb_free_urb(urb); } - usb_scuttle_anchored_urbs(&data->deferred); } static int btusb_resume(struct usb_interface *intf) @@ -3313,6 +4590,9 @@ static int btusb_resume(struct usb_interface *intf) btusb_submit_isoc_urb(hdev, GFP_NOIO); } + if (data->resume) + data->resume(hdev); + spin_lock_irq(&data->txlock); play_deferred(data); clear_bit(BTUSB_SUSPENDING, &data->flags); @@ -3332,6 +4612,17 @@ done: } #endif +#ifdef CONFIG_DEV_COREDUMP +static void btusb_coredump(struct device *dev) +{ + struct btusb_data *data = dev_get_drvdata(dev); + struct hci_dev *hdev = data->hdev; + + if (hdev->dump.coredump) + hdev->dump.coredump(hdev); +} +#endif + static struct usb_driver btusb_driver = { .name = "btusb", .probe = btusb_probe, @@ -3343,6 +4634,12 @@ static struct usb_driver btusb_driver = { .id_table = btusb_table, .supports_autosuspend = 1, .disable_hub_initiated_lpm = 1, + +#ifdef CONFIG_DEV_COREDUMP + .driver = { + .coredump = btusb_coredump, + }, +#endif }; module_usb_driver(btusb_driver); @@ -3353,6 +4650,9 @@ MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); module_param(force_scofix, bool, 0644); MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); +module_param(enable_autosuspend, bool, 0644); +MODULE_PARM_DESC(enable_autosuspend, "Enable USB autosuspend by default"); + module_param(reset, bool, 0644); MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); |