// SPDX-License-Identifier: GPL-2.0-or-later /* * * Generic Bluetooth USB driver * * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> */ #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 <linux/gpio/consumer.h> #include <asm/unaligned.h> #include <net/bluetooth/bluetooth.h> #include <net/bluetooth/hci_core.h> #include "btintel.h" #include "btbcm.h" #include "btrtl.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 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_MEDIATEK 0x200000 #define BTUSB_WIDEBAND_SPEECH 0x400000 #define BTUSB_VALID_LE_STATES 0x800000 #define BTUSB_QCA_WCN6855 0x1000000 #define BTUSB_INTEL_NEWGEN 0x2000000 static const struct usb_device_id btusb_table[] = { <------>/* Generic Bluetooth USB device */ <------>{ USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, <------>/* Generic Bluetooth AMP device */ <------>{ USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP }, <------>/* Generic Bluetooth USB interface */ <------>{ USB_INTERFACE_INFO(0xe0, 0x01, 0x01) }, <------>/* Apple-specific (Broadcom) devices */ <------>{ USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01), <------> .driver_info = BTUSB_BCM_APPLE | BTUSB_IFNUM_2 }, <------>/* MediaTek MT76x0E */ <------>{ USB_DEVICE(0x0e8d, 0x763f) }, <------>/* Broadcom SoftSailing reporting vendor specific */ <------>{ USB_DEVICE(0x0a5c, 0x21e1) }, <------>/* Apple MacBookPro 7,1 */ <------>{ USB_DEVICE(0x05ac, 0x8213) }, <------>/* Apple iMac11,1 */ <------>{ USB_DEVICE(0x05ac, 0x8215) }, <------>/* Apple MacBookPro6,2 */ <------>{ USB_DEVICE(0x05ac, 0x8218) }, <------>/* Apple MacBookAir3,1, MacBookAir3,2 */ <------>{ USB_DEVICE(0x05ac, 0x821b) }, <------>/* Apple MacBookAir4,1 */ <------>{ USB_DEVICE(0x05ac, 0x821f) }, <------>/* Apple MacBookPro8,2 */ <------>{ USB_DEVICE(0x05ac, 0x821a) }, <------>/* Apple MacMini5,1 */ <------>{ USB_DEVICE(0x05ac, 0x8281) }, <------>/* AVM BlueFRITZ! USB v2.0 */ <------>{ USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE }, <------>/* Bluetooth Ultraport Module from IBM */ <------>{ USB_DEVICE(0x04bf, 0x030a) }, <------>/* ALPS Modules with non-standard id */ <------>{ USB_DEVICE(0x044e, 0x3001) }, <------>{ USB_DEVICE(0x044e, 0x3002) }, <------>/* Ericsson with non-standard id */ <------>{ USB_DEVICE(0x0bdb, 0x1002) }, <------>/* 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_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), <------> .driver_info = BTUSB_BCM_PATCHRAM }, <------>/* Foxconn - Hon Hai */ <------>{ USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01), <------> .driver_info = BTUSB_BCM_PATCHRAM }, <------>/* Lite-On Technology - Broadcom based */ <------>{ USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01), <------> .driver_info = BTUSB_BCM_PATCHRAM }, <------>/* Broadcom devices with vendor specific id */ <------>{ USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01), <------> .driver_info = BTUSB_BCM_PATCHRAM }, <------>/* ASUSTek Computer - Broadcom based */ <------>{ USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01), <------> .driver_info = BTUSB_BCM_PATCHRAM }, <------>/* Belkin F8065bf - Broadcom based */ <------>{ USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01), <------> .driver_info = BTUSB_BCM_PATCHRAM }, <------>/* IMC Networks - Broadcom based */ <------>{ USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01), <------> .driver_info = BTUSB_BCM_PATCHRAM }, <------>/* Dell Computer - Broadcom based */ <------>{ USB_VENDOR_AND_INTERFACE_INFO(0x413c, 0xff, 0x01, 0x01), <------> .driver_info = BTUSB_BCM_PATCHRAM }, <------>/* Toshiba Corp - Broadcom based */ <------>{ USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01), <------> .driver_info = BTUSB_BCM_PATCHRAM }, <------>/* Intel Bluetooth USB Bootloader (RAM module) */ <------>{ USB_DEVICE(0x8087, 0x0a5a), <------> .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC }, <------>{ } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, btusb_table); static const struct usb_device_id blacklist_table[] = { <------>/* CSR BlueCore devices */ <------>{ USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, <------>/* Broadcom BCM2033 without firmware */ <------>{ USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, <------>/* Broadcom BCM2045 devices */ <------>{ USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 }, <------>/* Atheros 3011 with sflash firmware */ <------>{ USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, <------>{ USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, <------>{ USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE }, <------>{ USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, <------>{ USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, <------>{ USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, <------>{ USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, <------>/* Atheros AR9285 Malbec with sflash firmware */ <------>{ USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, <------>/* Atheros 3012 with sflash firmware */ <------>{ USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 }, <------>/* Atheros AR5BBU12 with sflash firmware */ <------>{ USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, <------>/* Atheros AR5BBU12 with sflash firmware */ <------>{ USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, <------>{ USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, <------>/* QCA ROME chipset */ <------>{ 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(0x0cf3, 0xe600), .driver_info = BTUSB_QCA_WCN6855 | <------><------><------><------><------><------> BTUSB_WIDEBAND_SPEECH }, <------>/* Broadcom BCM2035 */ <------>{ USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, <------>{ USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, <------>{ USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, <------>/* Broadcom BCM2045 */ <------>{ USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, <------>{ USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, <------>/* IBM/Lenovo ThinkPad with Broadcom chip */ <------>{ USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, <------>{ USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, <------>/* HP laptop with Broadcom chip */ <------>{ USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, <------>/* Dell laptop with Broadcom chip */ <------>{ USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, <------>/* Dell Wireless 370 and 410 devices */ <------>{ USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, <------>{ USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, <------>/* Belkin F8T012 and F8T013 devices */ <------>{ USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, <------>{ USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, <------>/* Asus WL-BTD202 device */ <------>{ USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, <------>/* Kensington Bluetooth USB adapter */ <------>{ USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, <------>/* RTX Telecom based adapters with buggy SCO support */ <------>{ USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, <------>{ USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, <------>/* CONWISE Technology based adapters with buggy SCO support */ <------>{ USB_DEVICE(0x0e5e, 0x6622), <------> .driver_info = BTUSB_BROKEN_ISOC | BTUSB_CW6622}, <------>/* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */ <------>{ USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE }, <------>/* Digianswer devices */ <------>{ USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, <------>{ USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, <------>/* CSR BlueCore Bluetooth Sniffer */ <------>{ USB_DEVICE(0x0a12, 0x0002), <------> .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, <------>/* Frontline ComProbe Bluetooth Sniffer */ <------>{ USB_DEVICE(0x16d3, 0x0002), <------> .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, <------>/* Marvell Bluetooth devices */ <------>{ USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL }, <------>{ USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL }, <------>{ USB_DEVICE(0x1286, 0x204e), .driver_info = BTUSB_MARVELL }, <------>/* Intel Bluetooth devices */ <------>{ USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_NEW | <------><------><------><------><------><------> BTUSB_WIDEBAND_SPEECH | <------><------><------><------><------><------> BTUSB_VALID_LE_STATES }, <------>{ USB_DEVICE(0x8087, 0x0026), .driver_info = BTUSB_INTEL_NEW | <------><------><------><------><------><------> BTUSB_WIDEBAND_SPEECH }, <------>{ USB_DEVICE(0x8087, 0x0029), .driver_info = BTUSB_INTEL_NEW | <------><------><------><------><------><------> BTUSB_WIDEBAND_SPEECH }, <------>{ USB_DEVICE(0x8087, 0x0032), .driver_info = BTUSB_INTEL_NEWGEN | <------><------><------><------><------><------> BTUSB_WIDEBAND_SPEECH}, <------>{ 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 | <------><------><------><------><------><------> BTUSB_WIDEBAND_SPEECH }, <------>{ USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL | <------><------><------><------><------><------> BTUSB_WIDEBAND_SPEECH }, <------>{ USB_DEVICE(0x8087, 0x0aaa), .driver_info = BTUSB_INTEL_NEW | <------><------><------><------><------><------> BTUSB_WIDEBAND_SPEECH | <------><------><------><------><------><------> BTUSB_VALID_LE_STATES }, <------>{ USB_DEVICE(0x10ab, 0x9309), .driver_info = BTUSB_QCA_WCN6855 | <------><------><------><------><------><------> BTUSB_WIDEBAND_SPEECH | <------><------><------><------><------><------> BTUSB_VALID_LE_STATES }, <------>{ USB_DEVICE(0x10ab, 0x9409), .driver_info = BTUSB_QCA_WCN6855 | <------><------><------><------><------><------> BTUSB_WIDEBAND_SPEECH | <------><------><------><------><------><------> BTUSB_VALID_LE_STATES }, <------>{ USB_DEVICE(0x0489, 0xe0d0), .driver_info = BTUSB_QCA_WCN6855 | <------><------><------><------><------><------> BTUSB_WIDEBAND_SPEECH | <------><------><------><------><------><------> BTUSB_VALID_LE_STATES }, <------>/* Other Intel Bluetooth devices */ <------>{ USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01), <------> .driver_info = BTUSB_IGNORE }, <------>/* 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 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 | <------><------><------> BTUSB_VALID_LE_STATES }, <------>/* MediaTek MT7922A Bluetooth devices */ <------>{ USB_DEVICE(0x0489, 0xe0d8), .driver_info = BTUSB_MEDIATEK | <------><------><------><------><------><------> BTUSB_WIDEBAND_SPEECH | <------><------><------><------><------><------> BTUSB_VALID_LE_STATES }, <------>{ USB_DEVICE(0x0489, 0xe0d9), .driver_info = BTUSB_MEDIATEK | <------><------><------><------><------><------> BTUSB_WIDEBAND_SPEECH | <------><------><------><------><------><------> BTUSB_VALID_LE_STATES }, <------>/* Additional Realtek 8723AE Bluetooth devices */ <------>{ USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK }, <------>{ USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK }, <------>/* Additional Realtek 8723BE Bluetooth devices */ <------>{ USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK }, <------>{ USB_DEVICE(0x0489, 0xe08b), .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 8821AE Bluetooth devices */ <------>{ USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK }, <------>{ USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK }, <------>{ USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK }, <------>{ 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 }, <------>{ USB_DEVICE(0x13d3, 0x3548), .driver_info = BTUSB_REALTEK }, <------>/* Realtek 8852BE Bluetooth devices */ <------>{ USB_DEVICE(0x0bda, 0xb85b), .driver_info = BTUSB_REALTEK }, <------>/* 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"), <------><------>}, <------>}, <------>{} }; #define BTUSB_MAX_ISOC_FRAMES 10 #define BTUSB_INTR_RUNNING 0 #define BTUSB_BULK_RUNNING 1 #define BTUSB_ISOC_RUNNING 2 #define BTUSB_SUSPENDING 3 #define BTUSB_DID_ISO_RESUME 4 #define BTUSB_BOOTLOADER 5 #define BTUSB_DOWNLOADING 6 #define BTUSB_FIRMWARE_LOADED 7 #define BTUSB_FIRMWARE_FAILED 8 #define BTUSB_BOOTING 9 #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_DISABLE 14 #define BTUSB_USE_ALT3_FOR_WBS 15 struct btusb_data { <------>struct hci_dev *hdev; <------>struct usb_device *udev; <------>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; <------>struct usb_anchor deferred; <------>struct usb_anchor tx_anchor; <------>int tx_in_flight; <------>spinlock_t txlock; <------>struct usb_anchor intr_anchor; <------>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; <------>struct sk_buff *acl_skb; <------>struct sk_buff *sco_skb; <------>struct usb_endpoint_descriptor *intr_ep; <------>struct usb_endpoint_descriptor *bulk_tx_ep; <------>struct usb_endpoint_descriptor *bulk_rx_ep; <------>struct usb_endpoint_descriptor *isoc_tx_ep; <------>struct usb_endpoint_descriptor *isoc_rx_ep; <------>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_bulk)(struct btusb_data *data, void *buffer, int count); <------>int (*setup_on_usb)(struct hci_dev *hdev); <------>int oob_wake_irq; /* irq for out-of-band wake-on-bt */ <------>unsigned cmd_timeout_cnt; }; static void btusb_intel_cmd_timeout(struct hci_dev *hdev) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>struct gpio_desc *reset_gpio = data->reset_gpio; <------>if (++data->cmd_timeout_cnt < 5) <------><------>return; <------>if (!reset_gpio) { <------><------>bt_dev_err(hdev, "No way to reset. Ignoring and continuing"); <------><------>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); } static void btusb_rtl_cmd_timeout(struct hci_dev *hdev) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>struct gpio_desc *reset_gpio = data->reset_gpio; <------>if (++data->cmd_timeout_cnt < 5) <------><------>return; <------>if (!reset_gpio) { <------><------>bt_dev_err(hdev, "No gpio to reset Realtek device, ignoring"); <------><------>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_qca_cmd_timeout(struct hci_dev *hdev) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>int err; <------>if (++data->cmd_timeout_cnt < 5) <------><------>return; <------>bt_dev_err(hdev, "Multiple cmd timeouts seen. Resetting usb device."); <------>/* This is not an unbalanced PM reference since the device will reset */ <------>err = usb_autopm_get_interface(data->intf); <------>if (!err) <------><------>usb_queue_reset_device(data->intf); <------>else <------><------>bt_dev_err(hdev, "Failed usb_autopm_get_interface with %d", err); } static inline void btusb_free_frags(struct btusb_data *data) { <------>unsigned long flags; <------>spin_lock_irqsave(&data->rxlock, flags); <------>kfree_skb(data->evt_skb); <------>data->evt_skb = NULL; <------>kfree_skb(data->acl_skb); <------>data->acl_skb = NULL; <------>kfree_skb(data->sco_skb); <------>data->sco_skb = NULL; <------>spin_unlock_irqrestore(&data->rxlock, flags); } 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_irqsave(&data->rxlock, flags); <------>skb = data->evt_skb; <------>while (count) { <------><------>int len; <------><------>if (!skb) { <------><------><------>skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC); <------><------><------>if (!skb) { <------><------><------><------>err = -ENOMEM; <------><------><------><------>break; <------><------><------>} <------><------><------>hci_skb_pkt_type(skb) = HCI_EVENT_PKT; <------><------><------>hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE; <------><------>} <------><------>len = min_t(uint, hci_skb_expect(skb), count); <------><------>skb_put_data(skb, buffer, len); <------><------>count -= len; <------><------>buffer += len; <------><------>hci_skb_expect(skb) -= len; <------><------>if (skb->len == HCI_EVENT_HDR_SIZE) { <------><------><------>/* Complete event header */ <------><------><------>hci_skb_expect(skb) = hci_event_hdr(skb)->plen; <------><------><------>if (skb_tailroom(skb) < hci_skb_expect(skb)) { <------><------><------><------>kfree_skb(skb); <------><------><------><------>skb = NULL; <------><------><------><------>err = -EILSEQ; <------><------><------><------>break; <------><------><------>} <------><------>} <------><------>if (!hci_skb_expect(skb)) { <------><------><------>/* Complete frame */ <------><------><------>data->recv_event(data->hdev, skb); <------><------><------>skb = NULL; <------><------>} <------>} <------>data->evt_skb = skb; <------>spin_unlock_irqrestore(&data->rxlock, flags); <------>return err; } 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_irqsave(&data->rxlock, flags); <------>skb = data->acl_skb; <------>while (count) { <------><------>int len; <------><------>if (!skb) { <------><------><------>skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC); <------><------><------>if (!skb) { <------><------><------><------>err = -ENOMEM; <------><------><------><------>break; <------><------><------>} <------><------><------>hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT; <------><------><------>hci_skb_expect(skb) = HCI_ACL_HDR_SIZE; <------><------>} <------><------>len = min_t(uint, hci_skb_expect(skb), count); <------><------>skb_put_data(skb, buffer, len); <------><------>count -= len; <------><------>buffer += len; <------><------>hci_skb_expect(skb) -= len; <------><------>if (skb->len == HCI_ACL_HDR_SIZE) { <------><------><------>__le16 dlen = hci_acl_hdr(skb)->dlen; <------><------><------>/* Complete ACL header */ <------><------><------>hci_skb_expect(skb) = __le16_to_cpu(dlen); <------><------><------>if (skb_tailroom(skb) < hci_skb_expect(skb)) { <------><------><------><------>kfree_skb(skb); <------><------><------><------>skb = NULL; <------><------><------><------>err = -EILSEQ; <------><------><------><------>break; <------><------><------>} <------><------>} <------><------>if (!hci_skb_expect(skb)) { <------><------><------>/* Complete frame */ <------><------><------>hci_recv_frame(data->hdev, skb); <------><------><------>skb = NULL; <------><------>} <------>} <------>data->acl_skb = skb; <------>spin_unlock_irqrestore(&data->rxlock, flags); <------>return err; } 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_irqsave(&data->rxlock, flags); <------>skb = data->sco_skb; <------>while (count) { <------><------>int len; <------><------>if (!skb) { <------><------><------>skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC); <------><------><------>if (!skb) { <------><------><------><------>err = -ENOMEM; <------><------><------><------>break; <------><------><------>} <------><------><------>hci_skb_pkt_type(skb) = HCI_SCODATA_PKT; <------><------><------>hci_skb_expect(skb) = HCI_SCO_HDR_SIZE; <------><------>} <------><------>len = min_t(uint, hci_skb_expect(skb), count); <------><------>skb_put_data(skb, buffer, len); <------><------>count -= len; <------><------>buffer += len; <------><------>hci_skb_expect(skb) -= len; <------><------>if (skb->len == HCI_SCO_HDR_SIZE) { <------><------><------>/* Complete SCO header */ <------><------><------>hci_skb_expect(skb) = hci_sco_hdr(skb)->dlen; <------><------><------>if (skb_tailroom(skb) < hci_skb_expect(skb)) { <------><------><------><------>kfree_skb(skb); <------><------><------><------>skb = NULL; <------><------><------><------>err = -EILSEQ; <------><------><------><------>break; <------><------><------>} <------><------>} <------><------>if (!hci_skb_expect(skb)) { <------><------><------>/* Complete frame */ <------><------><------>hci_recv_frame(data->hdev, skb); <------><------><------>skb = NULL; <------><------>} <------>} <------>data->sco_skb = skb; <------>spin_unlock_irqrestore(&data->rxlock, flags); <------>return err; } static void btusb_intr_complete(struct urb *urb) { <------>struct hci_dev *hdev = urb->context; <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>int err; <------>BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, <------> urb->actual_length); <------>if (!test_bit(HCI_RUNNING, &hdev->flags)) <------><------>return; <------>if (urb->status == 0) { <------><------>hdev->stat.byte_rx += urb->actual_length; <------><------>if (btusb_recv_intr(data, urb->transfer_buffer, <------><------><------><------> urb->actual_length) < 0) { <------><------><------>bt_dev_err(hdev, "corrupted event packet"); <------><------><------>hdev->stat.err_rx++; <------><------>} <------>} else if (urb->status == -ENOENT) { <------><------>/* Avoid suspend failed when usb_kill_urb */ <------><------>return; <------>} <------>if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) <------><------>return; <------>usb_mark_last_busy(data->udev); <------>usb_anchor_urb(urb, &data->intr_anchor); <------>err = usb_submit_urb(urb, GFP_ATOMIC); <------>if (err < 0) { <------><------>/* -EPERM: urb is being killed; <------><------> * -ENODEV: device got disconnected <------><------> */ <------><------>if (err != -EPERM && err != -ENODEV) <------><------><------>bt_dev_err(hdev, "urb %p failed to resubmit (%d)", <------><------><------><------> urb, -err); <------><------>usb_unanchor_urb(urb); <------>} } static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>struct urb *urb; <------>unsigned char *buf; <------>unsigned int pipe; <------>int err, size; <------>BT_DBG("%s", hdev->name); <------>if (!data->intr_ep) <------><------>return -ENODEV; <------>urb = usb_alloc_urb(0, mem_flags); <------>if (!urb) <------><------>return -ENOMEM; <------>size = le16_to_cpu(data->intr_ep->wMaxPacketSize); <------>buf = kmalloc(size, mem_flags); <------>if (!buf) { <------><------>usb_free_urb(urb); <------><------>return -ENOMEM; <------>} <------>pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); <------>usb_fill_int_urb(urb, data->udev, pipe, buf, size, <------><------><------> btusb_intr_complete, hdev, data->intr_ep->bInterval); <------>urb->transfer_flags |= URB_FREE_BUFFER; <------>usb_anchor_urb(urb, &data->intr_anchor); <------>err = usb_submit_urb(urb, mem_flags); <------>if (err < 0) { <------><------>if (err != -EPERM && err != -ENODEV) <------><------><------>bt_dev_err(hdev, "urb %p submission failed (%d)", <------><------><------><------> urb, -err); <------><------>usb_unanchor_urb(urb); <------>} <------>usb_free_urb(urb); <------>return err; } static void btusb_bulk_complete(struct urb *urb) { <------>struct hci_dev *hdev = urb->context; <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>int err; <------>BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, <------> urb->actual_length); <------>if (!test_bit(HCI_RUNNING, &hdev->flags)) <------><------>return; <------>if (urb->status == 0) { <------><------>hdev->stat.byte_rx += urb->actual_length; <------><------>if (data->recv_bulk(data, urb->transfer_buffer, <------><------><------><------> urb->actual_length) < 0) { <------><------><------>bt_dev_err(hdev, "corrupted ACL packet"); <------><------><------>hdev->stat.err_rx++; <------><------>} <------>} else if (urb->status == -ENOENT) { <------><------>/* Avoid suspend failed when usb_kill_urb */ <------><------>return; <------>} <------>if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) <------><------>return; <------>usb_anchor_urb(urb, &data->bulk_anchor); <------>usb_mark_last_busy(data->udev); <------>err = usb_submit_urb(urb, GFP_ATOMIC); <------>if (err < 0) { <------><------>/* -EPERM: urb is being killed; <------><------> * -ENODEV: device got disconnected <------><------> */ <------><------>if (err != -EPERM && err != -ENODEV) <------><------><------>bt_dev_err(hdev, "urb %p failed to resubmit (%d)", <------><------><------><------> urb, -err); <------><------>usb_unanchor_urb(urb); <------>} } static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>struct urb *urb; <------>unsigned char *buf; <------>unsigned int pipe; <------>int err, size = HCI_MAX_FRAME_SIZE; <------>BT_DBG("%s", hdev->name); <------>if (!data->bulk_rx_ep) <------><------>return -ENODEV; <------>urb = usb_alloc_urb(0, mem_flags); <------>if (!urb) <------><------>return -ENOMEM; <------>buf = kmalloc(size, mem_flags); <------>if (!buf) { <------><------>usb_free_urb(urb); <------><------>return -ENOMEM; <------>} <------>pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); <------>usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, <------><------><------> btusb_bulk_complete, hdev); <------>urb->transfer_flags |= URB_FREE_BUFFER; <------>usb_mark_last_busy(data->udev); <------>usb_anchor_urb(urb, &data->bulk_anchor); <------>err = usb_submit_urb(urb, mem_flags); <------>if (err < 0) { <------><------>if (err != -EPERM && err != -ENODEV) <------><------><------>bt_dev_err(hdev, "urb %p submission failed (%d)", <------><------><------><------> urb, -err); <------><------>usb_unanchor_urb(urb); <------>} <------>usb_free_urb(urb); <------>return err; } static void btusb_isoc_complete(struct urb *urb) { <------>struct hci_dev *hdev = urb->context; <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>int i, err; <------>BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, <------> urb->actual_length); <------>if (!test_bit(HCI_RUNNING, &hdev->flags)) <------><------>return; <------>if (urb->status == 0) { <------><------>for (i = 0; i < urb->number_of_packets; i++) { <------><------><------>unsigned int offset = urb->iso_frame_desc[i].offset; <------><------><------>unsigned int length = urb->iso_frame_desc[i].actual_length; <------><------><------>if (urb->iso_frame_desc[i].status) <------><------><------><------>continue; <------><------><------>hdev->stat.byte_rx += length; <------><------><------>if (btusb_recv_isoc(data, urb->transfer_buffer + offset, <------><------><------><------><------> length) < 0) { <------><------><------><------>bt_dev_err(hdev, "corrupted SCO packet"); <------><------><------><------>hdev->stat.err_rx++; <------><------><------>} <------><------>} <------>} else if (urb->status == -ENOENT) { <------><------>/* Avoid suspend failed when usb_kill_urb */ <------><------>return; <------>} <------>if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) <------><------>return; <------>usb_anchor_urb(urb, &data->isoc_anchor); <------>err = usb_submit_urb(urb, GFP_ATOMIC); <------>if (err < 0) { <------><------>/* -EPERM: urb is being killed; <------><------> * -ENODEV: device got disconnected <------><------> */ <------><------>if (err != -EPERM && err != -ENODEV) <------><------><------>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, offset = 0; <------>unsigned int interval; <------>BT_DBG("len %d mtu %d", len, mtu); <------>/* 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; <------>} <------>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; <------>BT_DBG("len %d mtu %d", len, mtu); <------>for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; <------><------><------><------><------>i++, offset += mtu, len -= mtu) { <------><------>urb->iso_frame_desc[i].offset = offset; <------><------>urb->iso_frame_desc[i].length = mtu; <------>} <------>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 int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>struct urb *urb; <------>unsigned char *buf; <------>unsigned int pipe; <------>int err, size; <------>BT_DBG("%s", hdev->name); <------>if (!data->isoc_rx_ep) <------><------>return -ENODEV; <------>urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); <------>if (!urb) <------><------>return -ENOMEM; <------>size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * <------><------><------><------><------><------>BTUSB_MAX_ISOC_FRAMES; <------>buf = kmalloc(size, mem_flags); <------>if (!buf) { <------><------>usb_free_urb(urb); <------><------>return -ENOMEM; <------>} <------>pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); <------>usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, <------><------><------> hdev, data->isoc_rx_ep->bInterval); <------>urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; <------>__fill_isoc_descriptor(urb, size, <------><------><------> le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); <------>usb_anchor_urb(urb, &data->isoc_anchor); <------>err = usb_submit_urb(urb, mem_flags); <------>if (err < 0) { <------><------>if (err != -EPERM && err != -ENODEV) <------><------><------>bt_dev_err(hdev, "urb %p submission failed (%d)", <------><------><------><------> urb, -err); <------><------>usb_unanchor_urb(urb); <------>} <------>usb_free_urb(urb); <------>return err; } static void btusb_diag_complete(struct urb *urb) { <------>struct hci_dev *hdev = urb->context; <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>int err; <------>BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, <------> urb->actual_length); <------>if (urb->status == 0) { <------><------>struct sk_buff *skb; <------><------>skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC); <------><------>if (skb) { <------><------><------>skb_put_data(skb, urb->transfer_buffer, <------><------><------><------> urb->actual_length); <------><------><------>hci_recv_diag(hdev, skb); <------><------>} <------>} else if (urb->status == -ENOENT) { <------><------>/* Avoid suspend failed when usb_kill_urb */ <------><------>return; <------>} <------>if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags)) <------><------>return; <------>usb_anchor_urb(urb, &data->diag_anchor); <------>usb_mark_last_busy(data->udev); <------>err = usb_submit_urb(urb, GFP_ATOMIC); <------>if (err < 0) { <------><------>/* -EPERM: urb is being killed; <------><------> * -ENODEV: device got disconnected <------><------> */ <------><------>if (err != -EPERM && err != -ENODEV) <------><------><------>bt_dev_err(hdev, "urb %p failed to resubmit (%d)", <------><------><------><------> urb, -err); <------><------>usb_unanchor_urb(urb); <------>} } static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>struct urb *urb; <------>unsigned char *buf; <------>unsigned int pipe; <------>int err, size = HCI_MAX_FRAME_SIZE; <------>BT_DBG("%s", hdev->name); <------>if (!data->diag_rx_ep) <------><------>return -ENODEV; <------>urb = usb_alloc_urb(0, mem_flags); <------>if (!urb) <------><------>return -ENOMEM; <------>buf = kmalloc(size, mem_flags); <------>if (!buf) { <------><------>usb_free_urb(urb); <------><------>return -ENOMEM; <------>} <------>pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress); <------>usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, <------><------><------> btusb_diag_complete, hdev); <------>urb->transfer_flags |= URB_FREE_BUFFER; <------>usb_mark_last_busy(data->udev); <------>usb_anchor_urb(urb, &data->diag_anchor); <------>err = usb_submit_urb(urb, mem_flags); <------>if (err < 0) { <------><------>if (err != -EPERM && err != -ENODEV) <------><------><------>bt_dev_err(hdev, "urb %p submission failed (%d)", <------><------><------><------> urb, -err); <------><------>usb_unanchor_urb(urb); <------>} <------>usb_free_urb(urb); <------>return err; } 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); <------>if (!test_bit(HCI_RUNNING, &hdev->flags)) <------><------>goto done; <------>if (!urb->status) <------><------>hdev->stat.byte_tx += urb->transfer_buffer_length; <------>else <------><------>hdev->stat.err_tx++; done: <------>spin_lock_irqsave(&data->txlock, flags); <------>data->tx_in_flight--; <------>spin_unlock_irqrestore(&data->txlock, flags); <------>kfree(urb->setup_packet); <------>kfree_skb(skb); } static void btusb_isoc_tx_complete(struct urb *urb) { <------>struct sk_buff *skb = urb->context; <------>struct hci_dev *hdev = (struct hci_dev *)skb->dev; <------>BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, <------> urb->actual_length); <------>if (!test_bit(HCI_RUNNING, &hdev->flags)) <------><------>goto done; <------>if (!urb->status) <------><------>hdev->stat.byte_tx += urb->transfer_buffer_length; <------>else <------><------>hdev->stat.err_tx++; done: <------>kfree(urb->setup_packet); <------>kfree_skb(skb); } static int btusb_open(struct hci_dev *hdev) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>int err; <------>BT_DBG("%s", hdev->name); <------>err = usb_autopm_get_interface(data->intf); <------>if (err < 0) <------><------>return err; <------>/* Patching USB firmware files prior to starting any URBs of HCI path <------> * It is more safe to use USB bulk channel for downloading USB patch <------> */ <------>if (data->setup_on_usb) { <------><------>err = data->setup_on_usb(hdev); <------><------>if (err < 0) <------><------><------>goto setup_fail; <------>} <------>data->intf->needs_remote_wakeup = 1; <------>/* Disable device remote wakeup when host is suspended <------> * For Realtek chips, global suspend without <------> * SET_FEATURE (DEVICE_REMOTE_WAKEUP) can save more power in device. <------> */ <------>if (test_bit(BTUSB_WAKEUP_DISABLE, &data->flags)) <------><------>device_wakeup_disable(&data->udev->dev); <------>if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) <------><------>goto done; <------>err = btusb_submit_intr_urb(hdev, GFP_KERNEL); <------>if (err < 0) <------><------>goto failed; <------>err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); <------>if (err < 0) { <------><------>usb_kill_anchored_urbs(&data->intr_anchor); <------><------>goto failed; <------>} <------>set_bit(BTUSB_BULK_RUNNING, &data->flags); <------>btusb_submit_bulk_urb(hdev, GFP_KERNEL); <------>if (data->diag) { <------><------>if (!btusb_submit_diag_urb(hdev, GFP_KERNEL)) <------><------><------>set_bit(BTUSB_DIAG_RUNNING, &data->flags); <------>} done: <------>usb_autopm_put_interface(data->intf); <------>return 0; failed: <------>clear_bit(BTUSB_INTR_RUNNING, &data->flags); setup_fail: <------>usb_autopm_put_interface(data->intf); <------>return err; } static void btusb_stop_traffic(struct btusb_data *data) { <------>usb_kill_anchored_urbs(&data->intr_anchor); <------>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) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>int err; <------>BT_DBG("%s", hdev->name); <------>cancel_work_sync(&data->work); <------>cancel_work_sync(&data->waker); <------>clear_bit(BTUSB_ISOC_RUNNING, &data->flags); <------>clear_bit(BTUSB_BULK_RUNNING, &data->flags); <------>clear_bit(BTUSB_INTR_RUNNING, &data->flags); <------>clear_bit(BTUSB_DIAG_RUNNING, &data->flags); <------>btusb_stop_traffic(data); <------>btusb_free_frags(data); <------>err = usb_autopm_get_interface(data->intf); <------>if (err < 0) <------><------>goto failed; <------>data->intf->needs_remote_wakeup = 0; <------>/* Enable remote wake up for auto-suspend */ <------>if (test_bit(BTUSB_WAKEUP_DISABLE, &data->flags)) <------><------>data->intf->needs_remote_wakeup = 1; <------>usb_autopm_put_interface(data->intf); failed: <------>usb_scuttle_anchored_urbs(&data->deferred); <------>return 0; } static int btusb_flush(struct hci_dev *hdev) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>BT_DBG("%s", hdev->name); <------>usb_kill_anchored_urbs(&data->tx_anchor); <------>btusb_free_frags(data); <------>return 0; } static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>struct usb_ctrlrequest *dr; <------>struct urb *urb; <------>unsigned int pipe; <------>urb = usb_alloc_urb(0, GFP_KERNEL); <------>if (!urb) <------><------>return ERR_PTR(-ENOMEM); <------>dr = kmalloc(sizeof(*dr), GFP_KERNEL); <------>if (!dr) { <------><------>usb_free_urb(urb); <------><------>return ERR_PTR(-ENOMEM); <------>} <------>dr->bRequestType = data->cmdreq_type; <------>dr->bRequest = data->cmdreq; <------>dr->wIndex = 0; <------>dr->wValue = 0; <------>dr->wLength = __cpu_to_le16(skb->len); <------>pipe = usb_sndctrlpipe(data->udev, 0x00); <------>usb_fill_control_urb(urb, data->udev, pipe, (void *)dr, <------><------><------> skb->data, skb->len, btusb_tx_complete, skb); <------>skb->dev = (void *)hdev; <------>return urb; } static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>struct urb *urb; <------>unsigned int pipe; <------>if (!data->bulk_tx_ep) <------><------>return ERR_PTR(-ENODEV); <------>urb = usb_alloc_urb(0, GFP_KERNEL); <------>if (!urb) <------><------>return ERR_PTR(-ENOMEM); <------>pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress); <------>usb_fill_bulk_urb(urb, data->udev, pipe, <------><------><------> skb->data, skb->len, btusb_tx_complete, skb); <------>skb->dev = (void *)hdev; <------>return urb; } static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>struct urb *urb; <------>unsigned int pipe; <------>if (!data->isoc_tx_ep) <------><------>return ERR_PTR(-ENODEV); <------>urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL); <------>if (!urb) <------><------>return ERR_PTR(-ENOMEM); <------>pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress); <------>usb_fill_int_urb(urb, data->udev, pipe, <------><------><------> skb->data, skb->len, btusb_isoc_tx_complete, <------><------><------> skb, data->isoc_tx_ep->bInterval); <------>urb->transfer_flags = URB_ISO_ASAP; <------>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; } static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>int err; <------>usb_anchor_urb(urb, &data->tx_anchor); <------>err = usb_submit_urb(urb, GFP_KERNEL); <------>if (err < 0) { <------><------>if (err != -EPERM && err != -ENODEV) <------><------><------>bt_dev_err(hdev, "urb %p submission failed (%d)", <------><------><------><------> urb, -err); <------><------>kfree(urb->setup_packet); <------><------>usb_unanchor_urb(urb); <------>} else { <------><------>usb_mark_last_busy(data->udev); <------>} <------>usb_free_urb(urb); <------>return err; } static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>unsigned long flags; <------>bool suspending; <------>spin_lock_irqsave(&data->txlock, flags); <------>suspending = test_bit(BTUSB_SUSPENDING, &data->flags); <------>if (!suspending) <------><------>data->tx_in_flight++; <------>spin_unlock_irqrestore(&data->txlock, flags); <------>if (!suspending) <------><------>return submit_tx_urb(hdev, urb); <------>usb_anchor_urb(urb, &data->deferred); <------>schedule_work(&data->waker); <------>usb_free_urb(urb); <------>return 0; } static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) { <------>struct urb *urb; <------>BT_DBG("%s", hdev->name); <------>switch (hci_skb_pkt_type(skb)) { <------>case HCI_COMMAND_PKT: <------><------>urb = alloc_ctrl_urb(hdev, skb); <------><------>if (IS_ERR(urb)) <------><------><------>return PTR_ERR(urb); <------><------>hdev->stat.cmd_tx++; <------><------>return submit_or_queue_tx_urb(hdev, urb); <------>case HCI_ACLDATA_PKT: <------><------>urb = alloc_bulk_urb(hdev, skb); <------><------>if (IS_ERR(urb)) <------><------><------>return PTR_ERR(urb); <------><------>hdev->stat.acl_tx++; <------><------>return submit_or_queue_tx_urb(hdev, urb); <------>case HCI_SCODATA_PKT: <------><------>if (hci_conn_num(hdev, SCO_LINK) < 1) <------><------><------>return -ENODEV; <------><------>urb = alloc_isoc_urb(hdev, skb); <------><------>if (IS_ERR(urb)) <------><------><------>return PTR_ERR(urb); <------><------>hdev->stat.sco_tx++; <------><------>return submit_tx_urb(hdev, urb); <------>} <------>return -EILSEQ; } static void btusb_notify(struct hci_dev *hdev, unsigned int evt) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>BT_DBG("%s evt %d", hdev->name, 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); <------>} } static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>struct usb_interface *intf = data->isoc; <------>struct usb_endpoint_descriptor *ep_desc; <------>int i, err; <------>if (!data->isoc) <------><------>return -ENODEV; <------>err = usb_set_interface(data->udev, data->isoc_ifnum, altsetting); <------>if (err < 0) { <------><------>bt_dev_err(hdev, "setting interface failed (%d)", -err); <------><------>return err; <------>} <------>data->isoc_altsetting = altsetting; <------>data->isoc_tx_ep = NULL; <------>data->isoc_rx_ep = NULL; <------>for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { <------><------>ep_desc = &intf->cur_altsetting->endpoint[i].desc; <------><------>if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { <------><------><------>data->isoc_tx_ep = ep_desc; <------><------><------>continue; <------><------>} <------><------>if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { <------><------><------>data->isoc_rx_ep = ep_desc; <------><------><------>continue; <------><------>} <------>} <------>if (!data->isoc_tx_ep || !data->isoc_rx_ep) { <------><------>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); <------><------>kfree_skb(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 = 0; <------>int err; <------>if (data->sco_num > 0) { <------><------>if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { <------><------><------>err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); <------><------><------>if (err < 0) { <------><------><------><------>clear_bit(BTUSB_ISOC_RUNNING, &data->flags); <------><------><------><------>usb_kill_anchored_urbs(&data->isoc_anchor); <------><------><------><------>return; <------><------><------>} <------><------><------>set_bit(BTUSB_DID_ISO_RESUME, &data->flags); <------><------>} <------><------>if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_CVSD) { <------><------><------>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; <------><------><------>} <------><------>} 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. <------><------><------> */ <------><------><------>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 <------><------><------><------>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_DID_ISO_RESUME, &data->flags)) <------><------><------>usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); <------>} } static void btusb_waker(struct work_struct *work) { <------>struct btusb_data *data = container_of(work, struct btusb_data, waker); <------>int err; <------>err = usb_autopm_get_interface(data->intf); <------>if (err < 0) <------><------>return; <------>usb_autopm_put_interface(data->intf); } static int btusb_setup_bcm92035(struct hci_dev *hdev) { <------>struct sk_buff *skb; <------>u8 val = 0x00; <------>BT_DBG("%s", hdev->name); <------>skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); <------>if (IS_ERR(skb)) <------><------>bt_dev_err(hdev, "BCM92035 command failed (%ld)", PTR_ERR(skb)); <------>else <------><------>kfree_skb(skb); <------>return 0; } 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; <------>BT_DBG("%s", hdev->name); <------>skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, <------><------><------> HCI_INIT_TIMEOUT); <------>if (IS_ERR(skb)) { <------><------>int err = PTR_ERR(skb); <------><------>bt_dev_err(hdev, "CSR: Local version failed (%d)", err); <------><------>return err; <------>} <------>if (skb->len != sizeof(struct hci_rp_read_local_version)) { <------><------>bt_dev_err(hdev, "CSR: Local version length mismatch"); <------><------>kfree_skb(skb); <------><------>return -EIO; <------>} <------>rp = (struct hci_rp_read_local_version *)skb->data; <------>/* Detect a wide host of Chinese controllers that aren't CSR. <------> * <------> * Known fake bcdDevices: 0x0100, 0x0134, 0x1915, 0x2520, 0x7558, 0x8891 <------> * <------> * 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. <------> * <------> * 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. <------> */ <------>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. <------> */ <------>else if (le16_to_cpu(rp->lmp_subver) <= 0x034e && <------><------> le16_to_cpu(rp->hci_ver) > BLUETOOTH_VER_1_1) <------><------>is_fake = true; <------>else if (le16_to_cpu(rp->lmp_subver) <= 0x0529 && <------><------> le16_to_cpu(rp->hci_ver) > BLUETOOTH_VER_1_2) <------><------>is_fake = true; <------>else if (le16_to_cpu(rp->lmp_subver) <= 0x0c5c && <------><------> le16_to_cpu(rp->hci_ver) > BLUETOOTH_VER_2_0) <------><------>is_fake = true; <------>else if (le16_to_cpu(rp->lmp_subver) <= 0x1899 && <------><------> le16_to_cpu(rp->hci_ver) > BLUETOOTH_VER_2_1) <------><------>is_fake = true; <------>else if (le16_to_cpu(rp->lmp_subver) <= 0x22bb && <------><------> le16_to_cpu(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 && <------><------> le16_to_cpu(rp->hci_ver) == BLUETOOTH_VER_2_0) <------><------>is_fake = true; <------>if (is_fake) { <------><------>bt_dev_warn(hdev, "CSR: Unbranded CSR clone detected; adding workarounds..."); <------><------>/* 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. <------><------> */ <------><------>set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); <------><------>set_bit(HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, &hdev->quirks); <------><------>/* 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); <------><------>clear_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &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_dev_err(hdev, "Intel firmware file request failed (%d)", <------><------><------><------> ret); <------><------><------>return NULL; <------><------>} <------><------>bt_dev_err(hdev, "failed to open Intel firmware file: %s (%d)", <------><------><------> 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_dev_err(hdev, "failed to open default fw file: %s", <------><------><------><------> fwname); <------><------><------>return NULL; <------><------>} <------>} <------>bt_dev_info(hdev, "Intel Bluetooth firmware file: %s", 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_dev_err(hdev, "Intel fw corrupted: invalid cmd read"); <------><------>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_dev_err(hdev, "Intel fw corrupted: invalid cmd len"); <------><------>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_dev_err(hdev, "Intel fw corrupted: invalid evt len"); <------><------><------>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_dev_err(hdev, "Intel fw corrupted: invalid evt read"); <------><------>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_dev_err(hdev, "sending Intel patch command (0x%4.4x) failed (%ld)", <------><------><------> 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_dev_err(hdev, "mismatch event length (opcode 0x%4.4x)", <------><------><------> le16_to_cpu(cmd->opcode)); <------><------>kfree_skb(skb); <------><------>return -EFAULT; <------>} <------>if (memcmp(skb->data, evt_param, evt->plen)) { <------><------>bt_dev_err(hdev, "mismatch event parameter (opcode 0x%4.4x)", <------><------><------> le16_to_cpu(cmd->opcode)); <------><------>kfree_skb(skb); <------><------>return -EFAULT; <------>} <------>kfree_skb(skb); <------>return 0; } 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. <------> * <------> * 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_dev_err(hdev, "sending initial HCI reset command failed (%ld)", <------><------><------> 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. <------> * <------> * 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_dev_info(hdev, "read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", <------><------> 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_dev_info(hdev, "Intel device is already patched. " <------><------><------> "patch num: %02x", 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. <------> * <------> * If the default patch file is used, no reset is done when disabling <------> * the manufacturer. <------> */ <------>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. <------> */ <------>err = btintel_exit_mfg(hdev, true, true); <------>if (err) <------><------>return err; <------>/* Need build number for downloaded fw patches in <------> * every power-on boot <------> */ err = btintel_read_version(hdev, &ver); if (err) return err; bt_dev_info(hdev, "Intel BT fw patch 0x%02x completed & activated", <------><------> ver.fw_patch_num); <------>goto complete; exit_mfg_disable: <------>/* Disable the manufacturer mode without reset */ <------>err = btintel_exit_mfg(hdev, false, false); <------>if (err) <------><------>return err; <------>bt_dev_info(hdev, "Intel firmware patch completed"); <------>goto complete; exit_mfg_deactivate: <------>release_firmware(fw); <------>/* 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; <------>bt_dev_info(hdev, "Intel firmware patch completed and deactivated"); 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); <------>btintel_check_bdaddr(hdev); <------>return 0; } static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode) { <------>struct sk_buff *skb; <------>struct hci_event_hdr *hdr; <------>struct hci_ev_cmd_complete *evt; <------>skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL); <------>if (!skb) <------><------>return -ENOMEM; <------>hdr = skb_put(skb, sizeof(*hdr)); <------>hdr->evt = HCI_EV_CMD_COMPLETE; <------>hdr->plen = sizeof(*evt) + 1; <------>evt = skb_put(skb, sizeof(*evt)); <------>evt->ncmd = 0x01; <------>evt->opcode = cpu_to_le16(opcode); <------>skb_put_u8(skb, 0x00); <------>hci_skb_pkt_type(skb) = HCI_EVENT_PKT; <------>return hci_recv_frame(hdev, skb); } static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer, <------><------><------><------> int count) { <------>/* 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)) <------><------>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)) <------><------>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)) <------><------>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)) { <------><------><------>struct hci_command_hdr *cmd = (void *)skb->data; <------><------><------>__u16 opcode = le16_to_cpu(cmd->opcode); <------><------><------>/* When in bootloader mode and the command 0xfc09 <------><------><------> * is received, it needs to be send down the <------><------><------> * bulk endpoint. So allocate a bulk URB instead. <------><------><------> */ <------><------><------>if (opcode == 0xfc09) <------><------><------><------>urb = alloc_bulk_urb(hdev, 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 <------><------><------> * control working inject that event here. <------><------><------> */ <------><------><------>if (opcode == 0xfc01) <------><------><------><------>inject_cmd_complete(hdev, opcode); <------><------>} else { <------><------><------>urb = alloc_ctrl_urb(hdev, skb); <------><------>} <------><------>if (IS_ERR(urb)) <------><------><------>return PTR_ERR(urb); <------><------>hdev->stat.cmd_tx++; <------><------>return submit_or_queue_tx_urb(hdev, urb); <------>case HCI_ACLDATA_PKT: <------><------>urb = alloc_bulk_urb(hdev, skb); <------><------>if (IS_ERR(urb)) <------><------><------>return PTR_ERR(urb); <------><------>hdev->stat.acl_tx++; <------><------>return submit_or_queue_tx_urb(hdev, urb); <------>case HCI_SCODATA_PKT: <------><------>if (hci_conn_num(hdev, SCO_LINK) < 1) <------><------><------>return -ENODEV; <------><------>urb = alloc_isoc_urb(hdev, skb); <------><------>if (IS_ERR(urb)) <------><------><------>return PTR_ERR(urb); <------><------>hdev->stat.sco_tx++; <------><------>return submit_tx_urb(hdev, urb); <------>} <------>return -EILSEQ; } static bool btusb_setup_intel_new_get_fw_name(struct intel_version *ver, <------><------><------><------><------> struct intel_boot_params *params, <------><------><------><------><------> char *fw_name, size_t len, <------><------><------><------><------> const char *suffix) { <------>switch (ver->hw_variant) { <------>case 0x0b: /* SfP */ <------>case 0x0c: /* WsP */ <------><------>snprintf(fw_name, len, "intel/ibt-%u-%u.%s", <------><------><------>le16_to_cpu(ver->hw_variant), <------><------><------>le16_to_cpu(params->dev_revid), <------><------><------>suffix); <------><------>break; <------>case 0x11: /* JfP */ <------>case 0x12: /* ThP */ <------>case 0x13: /* HrP */ <------>case 0x14: /* CcP */ <------><------>snprintf(fw_name, len, "intel/ibt-%u-%u-%u.%s", <------><------><------>le16_to_cpu(ver->hw_variant), <------><------><------>le16_to_cpu(ver->hw_revision), <------><------><------>le16_to_cpu(ver->fw_revision), <------><------><------>suffix); <------><------>break; <------>default: <------><------>return false; <------>} <------>return true; } static void btusb_setup_intel_newgen_get_fw_name(const struct intel_version_tlv *ver_tlv, <------><------><------><------><------><------> char *fw_name, size_t len, <------><------><------><------><------><------> const char *suffix) { <------>/* The firmware file name for new generation controllers will be <------> * ibt-<cnvi_top type+cnvi_top step>-<cnvr_top type+cnvr_top step> <------> */ <------>snprintf(fw_name, len, "intel/ibt-%04x-%04x.%s", <------><------> INTEL_CNVX_TOP_PACK_SWAB(INTEL_CNVX_TOP_TYPE(ver_tlv->cnvi_top), <------><------><------><------><------> INTEL_CNVX_TOP_STEP(ver_tlv->cnvi_top)), <------><------> INTEL_CNVX_TOP_PACK_SWAB(INTEL_CNVX_TOP_TYPE(ver_tlv->cnvr_top), <------><------><------><------><------> INTEL_CNVX_TOP_STEP(ver_tlv->cnvr_top)), <------><------> suffix); } static int btusb_intel_download_firmware_newgen(struct hci_dev *hdev, <------><------><------><------><------><------>struct intel_version_tlv *ver, <------><------><------><------><------><------>u32 *boot_param) { <------>const struct firmware *fw; <------>char fwname[64]; <------>int err; <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>if (!ver || !boot_param) <------><------>return -EINVAL; <------>/* The hardware platform number has a fixed value of 0x37 and <------> * for now only accept this single value. <------> */ <------>if (INTEL_HW_PLATFORM(ver->cnvi_bt) != 0x37) { <------><------>bt_dev_err(hdev, "Unsupported Intel hardware platform (0x%2x)", <------><------><------> INTEL_HW_PLATFORM(ver->cnvi_bt)); <------><------>return -EINVAL; <------>} <------>/* The firmware variant determines if the device is in bootloader <------> * mode or is running operational firmware. The value 0x03 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->img_type == 0x03) { <------><------>clear_bit(BTUSB_BOOTLOADER, &data->flags); <------><------>btintel_check_bdaddr(hdev); <------><------>return 0; <------>} <------>/* 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 (INTEL_HW_VARIANT(ver->cnvi_bt)) { <------>case 0x17: /* TyP */ <------>case 0x18: /* Slr */ <------>case 0x19: /* Slr-F */ <------><------>break; <------>default: <------><------>bt_dev_err(hdev, "Unsupported Intel hardware variant (0x%x)", <------><------><------> INTEL_HW_VARIANT(ver->cnvi_bt)); <------><------>return -EINVAL; <------>} <------>/* 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->img_type != 0x01) { <------><------>bt_dev_err(hdev, "Unsupported Intel firmware variant (0x%x)", <------><------><------> ver->img_type); <------><------>return -ENODEV; <------>} <------>/* 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 (ver->limited_cce != 0x00) { <------><------>bt_dev_err(hdev, "Unsupported Intel firmware loading method (0x%x)", <------><------><------> ver->limited_cce); <------><------>return -EINVAL; <------>} <------>/* Secure boot engine type should be either 1 (ECDSA) or 0 (RSA) */ <------>if (ver->sbe_type > 0x01) { <------><------>bt_dev_err(hdev, "Unsupported Intel secure boot engine type (0x%x)", <------><------><------> ver->sbe_type); <------><------>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(&ver->otp_bd_addr, BDADDR_ANY)) { <------><------>bt_dev_info(hdev, "No device address configured"); <------><------>set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); <------>} <------>btusb_setup_intel_newgen_get_fw_name(ver, fwname, sizeof(fwname), "sfi"); <------>err = request_firmware(&fw, fwname, &hdev->dev); <------>if (err < 0) { <------><------>bt_dev_err(hdev, "Failed to load Intel firmware file (%d)", err); <------><------>return err; <------>} <------>bt_dev_info(hdev, "Found device firmware: %s", fwname); <------>if (fw->size < 644) { <------><------>bt_dev_err(hdev, "Invalid size of firmware file (%zu)", <------><------><------> fw->size); <------><------>err = -EBADF; <------><------>goto done; <------>} <------>set_bit(BTUSB_DOWNLOADING, &data->flags); <------>/* Start firmware downloading and get boot parameter */ <------>err = btintel_download_firmware_newgen(hdev, fw, boot_param, <------><------><------><------><------> INTEL_HW_VARIANT(ver->cnvi_bt), <------><------><------><------><------> ver->sbe_type); <------>if (err < 0) { <------><------>/* When FW download fails, send Intel Reset to retry <------><------> * FW download. <------><------> */ <------><------>btintel_reset_to_bootloader(hdev); <------><------>goto done; <------>} <------>set_bit(BTUSB_FIRMWARE_LOADED, &data->flags); <------>bt_dev_info(hdev, "Waiting for firmware download to complete"); <------>/* 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. <------> */ <------>err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING, <------><------><------><------> TASK_INTERRUPTIBLE, <------><------><------><------> msecs_to_jiffies(5000)); <------>if (err == -EINTR) { <------><------>bt_dev_err(hdev, "Firmware loading interrupted"); <------><------>goto done; <------>} <------>if (err) { <------><------>bt_dev_err(hdev, "Firmware loading timeout"); <------><------>err = -ETIMEDOUT; <------><------>btintel_reset_to_bootloader(hdev); <------><------>goto done; <------>} <------>if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) { <------><------>bt_dev_err(hdev, "Firmware loading failed"); <------><------>err = -ENOEXEC; <------><------>goto done; <------>} done: <------>release_firmware(fw); <------>return err; } static int btusb_intel_download_firmware(struct hci_dev *hdev, <------><------><------><------><------> struct intel_version *ver, <------><------><------><------><------> struct intel_boot_params *params, <------><------><------><------><------> u32 *boot_param) { <------>const struct firmware *fw; <------>char fwname[64]; <------>int err; <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>if (!ver || !params) <------><------>return -EINVAL; <------>/* The hardware platform number has a fixed value of 0x37 and <------> * for now only accept this single value. <------> */ <------>if (ver->hw_platform != 0x37) { <------><------>bt_dev_err(hdev, "Unsupported Intel hardware platform (%u)", <------><------><------> 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 */ <------>case 0x13: /* HrP */ <------>case 0x14: /* CcP */ <------><------>break; <------>default: <------><------>bt_dev_err(hdev, "Unsupported Intel hardware variant (%u)", <------><------><------> 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_dev_err(hdev, "Unsupported Intel firmware variant (%u)", <------><------><------> ver->fw_variant); <------><------>return -ENODEV; <------>} <------>/* Read the secure boot parameters to identify the operating <------> * details of the bootloader. <------> */ <------>err = btintel_read_boot_params(hdev, params); <------>if (err) <------><------>return err; <------>/* 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_dev_err(hdev, "Unsupported Intel firmware loading method (%u)", <------><------><------> params->limited_cce); <------><------>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_dev_info(hdev, "No device address configured"); <------><------>set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); <------>} <------>/* With this Intel bootloader only the hardware variant and device <------> * revision information are used to select the right firmware for SfP <------> * and WsP. <------> * <------> * 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) <------> * <------> * For ThP/JfP and for future SKU's, the FW name varies based on HW <------> * variant, HW revision and FW revision, as these are dependent on CNVi <------> * and RF Combination. <------> * <------> * 17 (0x11) for iBT3.5 (JfP) <------> * 18 (0x12) for iBT3.5 (ThP) <------> * <------> * The firmware file name for these will be <------> * ibt-<hw_variant>-<hw_revision>-<fw_revision>.sfi. <------> * <------> */ <------>err = btusb_setup_intel_new_get_fw_name(ver, params, fwname, <------><------><------><------><------><------>sizeof(fwname), "sfi"); <------>if (!err) { <------><------>bt_dev_err(hdev, "Unsupported Intel firmware naming"); <------><------>return -EINVAL; <------>} <------>err = request_firmware(&fw, fwname, &hdev->dev); <------>if (err < 0) { <------><------>bt_dev_err(hdev, "Failed to load Intel firmware file (%d)", err); <------><------>return err; <------>} <------>bt_dev_info(hdev, "Found device firmware: %s", fwname); <------>if (fw->size < 644) { <------><------>bt_dev_err(hdev, "Invalid size of firmware file (%zu)", <------><------><------> fw->size); <------><------>err = -EBADF; <------><------>goto done; <------>} <------>set_bit(BTUSB_DOWNLOADING, &data->flags); <------>/* Start firmware downloading and get boot parameter */ <------>err = btintel_download_firmware(hdev, fw, boot_param); <------>if (err < 0) { <------><------>/* When FW download fails, send Intel Reset to retry <------><------> * FW download. <------><------> */ <------><------>btintel_reset_to_bootloader(hdev); <------><------>goto done; <------>} <------>set_bit(BTUSB_FIRMWARE_LOADED, &data->flags); <------>bt_dev_info(hdev, "Waiting for firmware download to complete"); <------>/* 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. <------> */ <------>err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING, <------><------><------><------> TASK_INTERRUPTIBLE, <------><------><------><------> msecs_to_jiffies(5000)); <------>if (err == -EINTR) { <------><------>bt_dev_err(hdev, "Firmware loading interrupted"); <------><------>goto done; <------>} <------>if (err) { <------><------>bt_dev_err(hdev, "Firmware loading timeout"); <------><------>err = -ETIMEDOUT; <------><------>btintel_reset_to_bootloader(hdev); <------><------>goto done; <------>} <------>if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) { <------><------>bt_dev_err(hdev, "Firmware loading failed"); <------><------>err = -ENOEXEC; <------><------>goto done; <------>} done: <------>release_firmware(fw); <------>return err; } static int btusb_setup_intel_new(struct hci_dev *hdev) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>struct intel_version ver; <------>struct intel_boot_params params; <------>u32 boot_param; <------>char ddcname[64]; <------>ktime_t calltime, delta, rettime; <------>unsigned long long duration; <------>int err; <------>struct intel_debug_features features; <------>BT_DBG("%s", hdev->name); <------>/* Set the default boot parameter to 0x0 and it is updated to <------> * SKU specific boot parameter after reading Intel_Write_Boot_Params <------> * command while downloading the firmware. <------> */ <------>boot_param = 0x00000000; <------>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) { <------><------>bt_dev_err(hdev, "Intel Read version failed (%d)", err); <------><------>btintel_reset_to_bootloader(hdev); <------><------>return err; <------>} <------>err = btusb_intel_download_firmware(hdev, &ver, ¶ms, &boot_param); <------>if (err) <------><------>return err; <------>/* controller is already having an operational firmware */ <------>if (ver.fw_variant == 0x23) <------><------>goto finish; <------>rettime = ktime_get(); <------>delta = ktime_sub(rettime, calltime); <------>duration = (unsigned long long) ktime_to_ns(delta) >> 10; <------>bt_dev_info(hdev, "Firmware loaded in %llu usecs", duration); <------>calltime = ktime_get(); <------>set_bit(BTUSB_BOOTING, &data->flags); <------>err = btintel_send_intel_reset(hdev, boot_param); <------>if (err) { <------><------>bt_dev_err(hdev, "Intel Soft Reset failed (%d)", err); <------><------>btintel_reset_to_bootloader(hdev); <------><------>return err; <------>} <------>/* 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. <------> */ <------>bt_dev_info(hdev, "Waiting for device to boot"); <------>err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING, <------><------><------><------> TASK_INTERRUPTIBLE, <------><------><------><------> msecs_to_jiffies(1000)); <------>if (err == -EINTR) { <------><------>bt_dev_err(hdev, "Device boot interrupted"); <------><------>return -EINTR; <------>} <------>if (err) { <------><------>bt_dev_err(hdev, "Device boot timeout"); <------><------>btintel_reset_to_bootloader(hdev); <------><------>return -ETIMEDOUT; <------>} <------>rettime = ktime_get(); <------>delta = ktime_sub(rettime, calltime); <------>duration = (unsigned long long) ktime_to_ns(delta) >> 10; <------>bt_dev_info(hdev, "Device booted in %llu usecs", duration); <------>clear_bit(BTUSB_BOOTLOADER, &data->flags); <------>err = btusb_setup_intel_new_get_fw_name(&ver, ¶ms, ddcname, <------><------><------><------><------><------>sizeof(ddcname), "ddc"); <------>if (!err) { <------><------>bt_dev_err(hdev, "Unsupported Intel firmware naming"); <------>} else { <------><------>/* 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, ddcname); <------>} <------>/* Read the Intel supported features and if new exception formats <------> * supported, need to load the additional DDC config to enable. <------> */ <------>btintel_read_debug_features(hdev, &features); <------>/* Set DDC mask for available debug features */ <------>btintel_set_debug_features(hdev, &features); <------>/* Read the Intel version information after loading the FW */ <------>err = btintel_read_version(hdev, &ver); <------>if (err) <------><------>return err; <------>btintel_version_info(hdev, &ver); finish: <------>/* All Intel controllers that support the Microsoft vendor <------> * extension are using 0xFC1E for VsMsftOpCode. <------> */ <------>switch (ver.hw_variant) { <------>case 0x12: /* ThP */ <------><------>hci_set_msft_opcode(hdev, 0xFC1E); <------><------>break; <------>} <------>/* 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); <------>return 0; } static int btusb_setup_intel_newgen(struct hci_dev *hdev) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>u32 boot_param; <------>char ddcname[64]; <------>ktime_t calltime, delta, rettime; <------>unsigned long long duration; <------>int err; <------>struct intel_debug_features features; <------>struct intel_version_tlv version; <------>BT_DBG("%s", hdev->name); <------>/* Set the default boot parameter to 0x0 and it is updated to <------> * SKU specific boot parameter after reading Intel_Write_Boot_Params <------> * command while downloading the firmware. <------> */ <------>boot_param = 0x00000000; <------>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_tlv(hdev, &version); <------>if (err) { <------><------>bt_dev_err(hdev, "Intel Read version failed (%d)", err); <------><------>btintel_reset_to_bootloader(hdev); <------><------>return err; <------>} <------>btintel_version_info_tlv(hdev, &version); <------>err = btusb_intel_download_firmware_newgen(hdev, &version, &boot_param); <------>if (err) <------><------>return err; <------>/* check if controller is already having an operational firmware */ <------>if (version.img_type == 0x03) <------><------>goto finish; <------>rettime = ktime_get(); <------>delta = ktime_sub(rettime, calltime); <------>duration = (unsigned long long)ktime_to_ns(delta) >> 10; <------>bt_dev_info(hdev, "Firmware loaded in %llu usecs", duration); <------>calltime = ktime_get(); <------>set_bit(BTUSB_BOOTING, &data->flags); <------>err = btintel_send_intel_reset(hdev, boot_param); <------>if (err) { <------><------>bt_dev_err(hdev, "Intel Soft Reset failed (%d)", err); <------><------>btintel_reset_to_bootloader(hdev); <------><------>return err; <------>} <------>/* 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. <------> */ <------>bt_dev_info(hdev, "Waiting for device to boot"); <------>err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING, <------><------><------><------> TASK_INTERRUPTIBLE, <------><------><------><------> msecs_to_jiffies(1000)); <------>if (err == -EINTR) { <------><------>bt_dev_err(hdev, "Device boot interrupted"); <------><------>return -EINTR; <------>} <------>if (err) { <------><------>bt_dev_err(hdev, "Device boot timeout"); <------><------>btintel_reset_to_bootloader(hdev); <------><------>return -ETIMEDOUT; <------>} <------>rettime = ktime_get(); <------>delta = ktime_sub(rettime, calltime); <------>duration = (unsigned long long)ktime_to_ns(delta) >> 10; <------>bt_dev_info(hdev, "Device booted in %llu usecs", duration); <------>clear_bit(BTUSB_BOOTLOADER, &data->flags); <------>btusb_setup_intel_newgen_get_fw_name(&version, ddcname, sizeof(ddcname), <------><------><------><------><------> "ddc"); <------>/* 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, ddcname); <------>/* Read the Intel supported features and if new exception formats <------> * supported, need to load the additional DDC config to enable. <------> */ <------>btintel_read_debug_features(hdev, &features); <------>/* Set DDC mask for available debug features */ <------>btintel_set_debug_features(hdev, &features); <------>/* Read the Intel version information after loading the FW */ <------>err = btintel_read_version_tlv(hdev, &version); <------>if (err) <------><------>return err; <------>btintel_version_info_tlv(hdev, &version); finish: <------>/* 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); <------>return 0; } static int btusb_shutdown_intel(struct hci_dev *hdev) { <------>struct sk_buff *skb; <------>long ret; <------>/* In the shutdown sequence where Bluetooth is turned off followed <------> * by WiFi being turned off, turning WiFi back on causes issue with <------> * the RF calibration. <------> * <------> * To ensure that any RF activity has been stopped, issue HCI Reset <------> * command to clear all ongoing activity including advertising, <------> * scanning etc. <------> */ <------>skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); <------>if (IS_ERR(skb)) { <------><------>ret = PTR_ERR(skb); <------><------>bt_dev_err(hdev, "HCI reset during shutdown failed"); <------><------>return ret; <------>} <------>kfree_skb(skb); <------>/* 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. <------> */ <------>skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT); <------>if (IS_ERR(skb)) { <------><------>ret = PTR_ERR(skb); <------><------>bt_dev_err(hdev, "turning off Intel device LED failed"); <------><------>return ret; <------>} <------>kfree_skb(skb); <------>return 0; } static int btusb_shutdown_intel_new(struct hci_dev *hdev) { <------>struct sk_buff *skb; <------>/* Send HCI Reset to the controller to stop any BT activity which <------> * were triggered. This will help to save power and maintain the <------> * sync b/w Host and controller <------> */ <------>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; } #define FIRMWARE_MT7663 "mediatek/mt7663pr2h.bin" #define FIRMWARE_MT7668 "mediatek/mt7668pr2h.bin" #define HCI_WMT_MAX_EVENT_SIZE 64 enum { <------>BTMTK_WMT_PATCH_DWNLD = 0x1, <------>BTMTK_WMT_FUNC_CTRL = 0x6, <------>BTMTK_WMT_RST = 0x7, <------>BTMTK_WMT_SEMAPHORE = 0x17, }; enum { <------>BTMTK_WMT_INVALID, <------>BTMTK_WMT_PATCH_UNDONE, <------>BTMTK_WMT_PATCH_DONE, <------>BTMTK_WMT_ON_UNDONE, <------>BTMTK_WMT_ON_DONE, <------>BTMTK_WMT_ON_PROGRESS, }; struct btmtk_wmt_hdr { <------>u8 dir; <------>u8 op; <------>__le16 dlen; <------>u8 flag; } __packed; struct btmtk_hci_wmt_cmd { <------>struct btmtk_wmt_hdr hdr; <------>u8 data[256]; } __packed; struct btmtk_hci_wmt_evt { <------>struct hci_event_hdr hhdr; <------>struct btmtk_wmt_hdr whdr; } __packed; struct btmtk_hci_wmt_evt_funcc { <------>struct btmtk_hci_wmt_evt hwhdr; <------>__be16 status; } __packed; struct btmtk_tci_sleep { <------>u8 mode; <------>__le16 duration; <------>__le16 host_duration; <------>u8 host_wakeup_pin; <------>u8 time_compensation; } __packed; struct btmtk_hci_wmt_params { <------>u8 op; <------>u8 flag; <------>u16 dlen; <------>const void *data; <------>u32 *status; }; static void btusb_mtk_wmt_recv(struct urb *urb) { <------>struct hci_dev *hdev = urb->context; <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>struct hci_event_hdr *hdr; <------>struct sk_buff *skb; <------>int err; <------>if (urb->status == 0 && urb->actual_length > 0) { <------><------>hdev->stat.byte_rx += urb->actual_length; <------><------>/* WMT event shouldn't be fragmented and the size should be <------><------> * less than HCI_WMT_MAX_EVENT_SIZE. <------><------> */ <------><------>skb = bt_skb_alloc(HCI_WMT_MAX_EVENT_SIZE, GFP_ATOMIC); <------><------>if (!skb) { <------><------><------>hdev->stat.err_rx++; <------><------><------>kfree(urb->setup_packet); <------><------><------>return; <------><------>} <------><------>hci_skb_pkt_type(skb) = HCI_EVENT_PKT; <------><------>skb_put_data(skb, urb->transfer_buffer, urb->actual_length); <------><------>hdr = (void *)skb->data; <------><------>/* Fix up the vendor event id with 0xff for vendor specific <------><------> * instead of 0xe4 so that event send via monitoring socket can <------><------> * be parsed properly. <------><------> */ <------><------>hdr->evt = 0xff; <------><------>/* When someone waits for the WMT event, the skb is being cloned <------><------> * and being processed the events from there then. <------><------> */ <------><------>if (test_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags)) { <------><------><------>data->evt_skb = skb_clone(skb, GFP_ATOMIC); <------><------><------>if (!data->evt_skb) { <------><------><------><------>kfree_skb(skb); <------><------><------><------>kfree(urb->setup_packet); <------><------><------><------>return; <------><------><------>} <------><------>} <------><------>err = hci_recv_frame(hdev, skb); <------><------>if (err < 0) { <------><------><------>kfree_skb(data->evt_skb); <------><------><------>data->evt_skb = NULL; <------><------><------>kfree(urb->setup_packet); <------><------><------>return; <------><------>} <------><------>if (test_and_clear_bit(BTUSB_TX_WAIT_VND_EVT, <------><------><------><------> &data->flags)) { <------><------><------>/* Barrier to sync with other CPUs */ <------><------><------>smp_mb__after_atomic(); <------><------><------>wake_up_bit(&data->flags, <------><------><------><------> BTUSB_TX_WAIT_VND_EVT); <------><------>} <------><------>kfree(urb->setup_packet); <------><------>return; <------>} else if (urb->status == -ENOENT) { <------><------>/* Avoid suspend failed when usb_kill_urb */ <------><------>return; <------>} <------>usb_mark_last_busy(data->udev); <------>/* The URB complete handler is still called with urb->actual_length = 0 <------> * when the event is not available, so we should keep re-submitting <------> * URB until WMT event returns, Also, It's necessary to wait some time <------> * between the two consecutive control URBs to relax the target device <------> * to generate the event. Otherwise, the WMT event cannot return from <------> * the device successfully. <------> */ <------>udelay(100); <------>usb_anchor_urb(urb, &data->ctrl_anchor); <------>err = usb_submit_urb(urb, GFP_ATOMIC); <------>if (err < 0) { <------><------>kfree(urb->setup_packet); <------><------>/* -EPERM: urb is being killed; <------><------> * -ENODEV: device got disconnected <------><------> */ <------><------>if (err != -EPERM && err != -ENODEV) <------><------><------>bt_dev_err(hdev, "urb %p failed to resubmit (%d)", <------><------><------><------> urb, -err); <------><------>usb_unanchor_urb(urb); <------>} } static int btusb_mtk_submit_wmt_recv_urb(struct hci_dev *hdev) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>struct usb_ctrlrequest *dr; <------>unsigned char *buf; <------>int err, size = 64; <------>unsigned int pipe; <------>struct urb *urb; <------>urb = usb_alloc_urb(0, GFP_KERNEL); <------>if (!urb) <------><------>return -ENOMEM; <------>dr = kmalloc(sizeof(*dr), GFP_KERNEL); <------>if (!dr) { <------><------>usb_free_urb(urb); <------><------>return -ENOMEM; <------>} <------>dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_IN; <------>dr->bRequest = 1; <------>dr->wIndex = cpu_to_le16(0); <------>dr->wValue = cpu_to_le16(48); <------>dr->wLength = cpu_to_le16(size); <------>buf = kmalloc(size, GFP_KERNEL); <------>if (!buf) { <------><------>kfree(dr); <------><------>usb_free_urb(urb); <------><------>return -ENOMEM; <------>} <------>pipe = usb_rcvctrlpipe(data->udev, 0); <------>usb_fill_control_urb(urb, data->udev, pipe, (void *)dr, <------><------><------> buf, size, btusb_mtk_wmt_recv, hdev); <------>urb->transfer_flags |= URB_FREE_BUFFER; <------>usb_anchor_urb(urb, &data->ctrl_anchor); <------>err = usb_submit_urb(urb, GFP_KERNEL); <------>if (err < 0) { <------><------>if (err != -EPERM && err != -ENODEV) <------><------><------>bt_dev_err(hdev, "urb %p submission failed (%d)", <------><------><------><------> urb, -err); <------><------>usb_unanchor_urb(urb); <------>} <------>usb_free_urb(urb); <------>return err; } static int btusb_mtk_hci_wmt_sync(struct hci_dev *hdev, <------><------><------><------> struct btmtk_hci_wmt_params *wmt_params) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>struct btmtk_hci_wmt_evt_funcc *wmt_evt_funcc; <------>u32 hlen, status = BTMTK_WMT_INVALID; <------>struct btmtk_hci_wmt_evt *wmt_evt; <------>struct btmtk_hci_wmt_cmd wc; <------>struct btmtk_wmt_hdr *hdr; <------>int err; <------>/* Send the WMT command and wait until the WMT event returns */ <------>hlen = sizeof(*hdr) + wmt_params->dlen; <------>if (hlen > 255) <------><------>return -EINVAL; <------>hdr = (struct btmtk_wmt_hdr *)&wc; <------>hdr->dir = 1; <------>hdr->op = wmt_params->op; <------>hdr->dlen = cpu_to_le16(wmt_params->dlen + 1); <------>hdr->flag = wmt_params->flag; <------>memcpy(wc.data, wmt_params->data, wmt_params->dlen); <------>set_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags); <------>err = __hci_cmd_send(hdev, 0xfc6f, hlen, &wc); <------>if (err < 0) { <------><------>clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags); <------><------>return err; <------>} <------>/* Submit control IN URB on demand to process the WMT event */ <------>err = btusb_mtk_submit_wmt_recv_urb(hdev); <------>if (err < 0) <------><------>return err; <------>/* The vendor specific WMT commands are all answered by a vendor <------> * specific event and will have the Command Status or Command <------> * Complete as with usual HCI command flow control. <------> * <------> * After sending the command, wait for BTUSB_TX_WAIT_VND_EVT <------> * state to be cleared. The driver specific event receive routine <------> * will clear that state and with that indicate completion of the <------> * WMT command. <------> */ <------>err = wait_on_bit_timeout(&data->flags, BTUSB_TX_WAIT_VND_EVT, <------><------><------><------> TASK_INTERRUPTIBLE, HCI_INIT_TIMEOUT); <------>if (err == -EINTR) { <------><------>bt_dev_err(hdev, "Execution of wmt command interrupted"); <------><------>clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags); <------><------>return err; <------>} <------>if (err) { <------><------>bt_dev_err(hdev, "Execution of wmt command timed out"); <------><------>clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags); <------><------>return -ETIMEDOUT; <------>} <------>/* Parse and handle the return WMT event */ <------>wmt_evt = (struct btmtk_hci_wmt_evt *)data->evt_skb->data; <------>if (wmt_evt->whdr.op != hdr->op) { <------><------>bt_dev_err(hdev, "Wrong op received %d expected %d", <------><------><------> wmt_evt->whdr.op, hdr->op); <------><------>err = -EIO; <------><------>goto err_free_skb; <------>} <------>switch (wmt_evt->whdr.op) { <------>case BTMTK_WMT_SEMAPHORE: <------><------>if (wmt_evt->whdr.flag == 2) <------><------><------>status = BTMTK_WMT_PATCH_UNDONE; <------><------>else <------><------><------>status = BTMTK_WMT_PATCH_DONE; <------><------>break; <------>case BTMTK_WMT_FUNC_CTRL: <------><------>wmt_evt_funcc = (struct btmtk_hci_wmt_evt_funcc *)wmt_evt; <------><------>if (be16_to_cpu(wmt_evt_funcc->status) == 0x404) <------><------><------>status = BTMTK_WMT_ON_DONE; <------><------>else if (be16_to_cpu(wmt_evt_funcc->status) == 0x420) <------><------><------>status = BTMTK_WMT_ON_PROGRESS; <------><------>else <------><------><------>status = BTMTK_WMT_ON_UNDONE; <------><------>break; <------>} <------>if (wmt_params->status) <------><------>*wmt_params->status = status; err_free_skb: <------>kfree_skb(data->evt_skb); <------>data->evt_skb = NULL; <------>return err; } static int btusb_mtk_setup_firmware(struct hci_dev *hdev, const char *fwname) { <------>struct btmtk_hci_wmt_params wmt_params; <------>const struct firmware *fw; <------>const u8 *fw_ptr; <------>size_t fw_size; <------>int err, dlen; <------>u8 flag, param; <------>err = request_firmware(&fw, fwname, &hdev->dev); <------>if (err < 0) { <------><------>bt_dev_err(hdev, "Failed to load firmware file (%d)", err); <------><------>return err; <------>} <------>/* Power on data RAM the firmware relies on. */ <------>param = 1; <------>wmt_params.op = BTMTK_WMT_FUNC_CTRL; <------>wmt_params.flag = 3; <------>wmt_params.dlen = sizeof(param); <------>wmt_params.data = ¶m; <------>wmt_params.status = NULL; <------>err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); <------>if (err < 0) { <------><------>bt_dev_err(hdev, "Failed to power on data RAM (%d)", err); <------><------>goto err_release_fw; <------>} <------>fw_ptr = fw->data; <------>fw_size = fw->size; <------>/* The size of patch header is 30 bytes, should be skip */ <------>if (fw_size < 30) { <------><------>err = -EINVAL; <------><------>goto err_release_fw; <------>} <------>fw_size -= 30; <------>fw_ptr += 30; <------>flag = 1; <------>wmt_params.op = BTMTK_WMT_PATCH_DWNLD; <------>wmt_params.status = NULL; <------>while (fw_size > 0) { <------><------>dlen = min_t(int, 250, fw_size); <------><------>/* Tell deivice the position in sequence */ <------><------>if (fw_size - dlen <= 0) <------><------><------>flag = 3; <------><------>else if (fw_size < fw->size - 30) <------><------><------>flag = 2; <------><------>wmt_params.flag = flag; <------><------>wmt_params.dlen = dlen; <------><------>wmt_params.data = fw_ptr; <------><------>err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); <------><------>if (err < 0) { <------><------><------>bt_dev_err(hdev, "Failed to send wmt patch dwnld (%d)", <------><------><------><------> err); <------><------><------>goto err_release_fw; <------><------>} <------><------>fw_size -= dlen; <------><------>fw_ptr += dlen; <------>} <------>wmt_params.op = BTMTK_WMT_RST; <------>wmt_params.flag = 4; <------>wmt_params.dlen = 0; <------>wmt_params.data = NULL; <------>wmt_params.status = NULL; <------>/* Activate funciton the firmware providing to */ <------>err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); <------>if (err < 0) { <------><------>bt_dev_err(hdev, "Failed to send wmt rst (%d)", err); <------><------>goto err_release_fw; <------>} <------>/* Wait a few moments for firmware activation done */ <------>usleep_range(10000, 12000); err_release_fw: <------>release_firmware(fw); <------>return err; } static int btusb_mtk_func_query(struct hci_dev *hdev) { <------>struct btmtk_hci_wmt_params wmt_params; <------>int status, err; <------>u8 param = 0; <------>/* Query whether the function is enabled */ <------>wmt_params.op = BTMTK_WMT_FUNC_CTRL; <------>wmt_params.flag = 4; <------>wmt_params.dlen = sizeof(param); <------>wmt_params.data = ¶m; <------>wmt_params.status = &status; <------>err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); <------>if (err < 0) { <------><------>bt_dev_err(hdev, "Failed to query function status (%d)", err); <------><------>return err; <------>} <------>return status; } static int btusb_mtk_reg_read(struct btusb_data *data, u32 reg, u32 *val) { <------>int pipe, err, size = sizeof(u32); <------>void *buf; <------>buf = kzalloc(size, GFP_KERNEL); <------>if (!buf) <------><------>return -ENOMEM; <------>pipe = usb_rcvctrlpipe(data->udev, 0); <------>err = usb_control_msg(data->udev, pipe, 0x63, <------><------><------> USB_TYPE_VENDOR | USB_DIR_IN, <------><------><------> reg >> 16, reg & 0xffff, <------><------><------> buf, size, USB_CTRL_SET_TIMEOUT); <------>if (err < 0) <------><------>goto err_free_buf; <------>*val = get_unaligned_le32(buf); err_free_buf: <------>kfree(buf); <------>return err; } static int btusb_mtk_id_get(struct btusb_data *data, u32 *id) { <------>return btusb_mtk_reg_read(data, 0x80000008, id); } static int btusb_mtk_setup(struct hci_dev *hdev) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>struct btmtk_hci_wmt_params wmt_params; <------>ktime_t calltime, delta, rettime; <------>struct btmtk_tci_sleep tci_sleep; <------>unsigned long long duration; <------>struct sk_buff *skb; <------>const char *fwname; <------>int err, status; <------>u32 dev_id; <------>u8 param; <------>calltime = ktime_get(); <------>err = btusb_mtk_id_get(data, &dev_id); <------>if (err < 0) { <------><------>bt_dev_err(hdev, "Failed to get device id (%d)", err); <------><------>return err; <------>} <------>switch (dev_id) { <------>case 0x7663: <------><------>fwname = FIRMWARE_MT7663; <------><------>break; <------>case 0x7668: <------><------>fwname = FIRMWARE_MT7668; <------><------>break; <------>default: <------><------>bt_dev_err(hdev, "Unsupported support hardware variant (%08x)", <------><------><------> dev_id); <------><------>return -ENODEV; <------>} <------>/* Query whether the firmware is already download */ <------>wmt_params.op = BTMTK_WMT_SEMAPHORE; <------>wmt_params.flag = 1; <------>wmt_params.dlen = 0; <------>wmt_params.data = NULL; <------>wmt_params.status = &status; <------>err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); <------>if (err < 0) { <------><------>bt_dev_err(hdev, "Failed to query firmware status (%d)", err); <------><------>return err; <------>} <------>if (status == BTMTK_WMT_PATCH_DONE) { <------><------>bt_dev_info(hdev, "firmware already downloaded"); <------><------>goto ignore_setup_fw; <------>} <------>/* Setup a firmware which the device definitely requires */ <------>err = btusb_mtk_setup_firmware(hdev, fwname); <------>if (err < 0) <------><------>return err; ignore_setup_fw: <------>err = readx_poll_timeout(btusb_mtk_func_query, hdev, status, <------><------><------><------> status < 0 || status != BTMTK_WMT_ON_PROGRESS, <------><------><------><------> 2000, 5000000); <------>/* -ETIMEDOUT happens */ <------>if (err < 0) <------><------>return err; <------>/* The other errors happen in btusb_mtk_func_query */ <------>if (status < 0) <------><------>return status; <------>if (status == BTMTK_WMT_ON_DONE) { <------><------>bt_dev_info(hdev, "function already on"); <------><------>goto ignore_func_on; <------>} <------>/* Enable Bluetooth protocol */ <------>param = 1; <------>wmt_params.op = BTMTK_WMT_FUNC_CTRL; <------>wmt_params.flag = 0; <------>wmt_params.dlen = sizeof(param); <------>wmt_params.data = ¶m; <------>wmt_params.status = NULL; <------>err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); <------>if (err < 0) { <------><------>bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err); <------><------>return err; <------>} ignore_func_on: <------>/* Apply the low power environment setup */ <------>tci_sleep.mode = 0x5; <------>tci_sleep.duration = cpu_to_le16(0x640); <------>tci_sleep.host_duration = cpu_to_le16(0x640); <------>tci_sleep.host_wakeup_pin = 0; <------>tci_sleep.time_compensation = 0; <------>skb = __hci_cmd_sync(hdev, 0xfc7a, sizeof(tci_sleep), &tci_sleep, <------><------><------> HCI_INIT_TIMEOUT); <------>if (IS_ERR(skb)) { <------><------>err = PTR_ERR(skb); <------><------>bt_dev_err(hdev, "Failed to apply low power setting (%d)", err); <------><------>return err; <------>} <------>kfree_skb(skb); <------>rettime = ktime_get(); <------>delta = ktime_sub(rettime, calltime); <------>duration = (unsigned long long)ktime_to_ns(delta) >> 10; <------>bt_dev_info(hdev, "Device setup in %llu usecs", duration); <------>return 0; } static int btusb_mtk_shutdown(struct hci_dev *hdev) { <------>struct btmtk_hci_wmt_params wmt_params; <------>u8 param = 0; <------>int err; <------>/* Disable the device */ <------>wmt_params.op = BTMTK_WMT_FUNC_CTRL; <------>wmt_params.flag = 0; <------>wmt_params.dlen = sizeof(param); <------>wmt_params.data = ¶m; <------>wmt_params.status = NULL; <------>err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); <------>if (err < 0) { <------><------>bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err); <------><------>return err; <------>} <------>return 0; } MODULE_FIRMWARE(FIRMWARE_MT7663); MODULE_FIRMWARE(FIRMWARE_MT7668); #ifdef CONFIG_PM /* Configure an out-of-band gpio as wake-up pin, if specified in device tree */ static int marvell_config_oob_wake(struct hci_dev *hdev) { <------>struct sk_buff *skb; <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>struct device *dev = &data->udev->dev; <------>u16 pin, gap, opcode; <------>int ret; <------>u8 cmd[5]; <------>/* Move on if no wakeup pin specified */ <------>if (of_property_read_u16(dev->of_node, "marvell,wakeup-pin", &pin) || <------> of_property_read_u16(dev->of_node, "marvell,wakeup-gap-ms", &gap)) <------><------>return 0; <------>/* Vendor specific command to configure a GPIO as wake-up pin */ <------>opcode = hci_opcode_pack(0x3F, 0x59); <------>cmd[0] = opcode & 0xFF; <------>cmd[1] = opcode >> 8; <------>cmd[2] = 2; /* length of parameters that follow */ <------>cmd[3] = pin; <------>cmd[4] = gap; /* time in ms, for which wakeup pin should be asserted */ <------>skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); <------>if (!skb) { <------><------>bt_dev_err(hdev, "%s: No memory\n", __func__); <------><------>return -ENOMEM; <------>} <------>skb_put_data(skb, cmd, sizeof(cmd)); <------>hci_skb_pkt_type(skb) = HCI_COMMAND_PKT; <------>ret = btusb_send_frame(hdev, skb); <------>if (ret) { <------><------>bt_dev_err(hdev, "%s: configuration failed\n", __func__); <------><------>kfree_skb(skb); <------><------>return ret; <------>} <------>return 0; } #endif static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, <------><------><------><------> const bdaddr_t *bdaddr) { <------>struct sk_buff *skb; <------>u8 buf[8]; <------>long ret; <------>buf[0] = 0xfe; <------>buf[1] = sizeof(bdaddr_t); <------>memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); <------>skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT); <------>if (IS_ERR(skb)) { <------><------>ret = PTR_ERR(skb); <------><------>bt_dev_err(hdev, "changing Marvell device address failed (%ld)", <------><------><------> ret); <------><------>return ret; <------>} <------>kfree_skb(skb); <------>return 0; } static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, <------><------><------><------> const bdaddr_t *bdaddr) { <------>struct sk_buff *skb; <------>u8 buf[10]; <------>long ret; <------>buf[0] = 0x01; <------>buf[1] = 0x01; <------>buf[2] = 0x00; <------>buf[3] = sizeof(bdaddr_t); <------>memcpy(buf + 4, bdaddr, sizeof(bdaddr_t)); <------>skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, 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; } 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_DFU_PACKET_LEN 4096 #define QCA_GET_TARGET_VERSION 0x09 #define QCA_CHECK_STATUS 0x05 #define QCA_DFU_DOWNLOAD 0x01 #define QCA_SYSCFG_UPDATED 0x40 #define QCA_PATCH_UPDATED 0x80 #define QCA_DFU_TIMEOUT 3000 struct qca_version { <------>__le32 rom_version; <------>__le32 patch_version; <------>__le32 ram_version; <------>__le32 ref_clock; <------>__u8 reserved[4]; } __packed; struct qca_rampatch_version { <------>__le16 rom_version_high; <------>__le16 rom_version_low; <------>__le16 patch_version; } __packed; struct qca_device_info { <------>u32 rom_version; <------>u8 rampatch_hdr; /* length of header in rampatch */ <------>u8 nvm_hdr; /* length of header in NVM */ <------>u8 ver_offset; /* offset of version structure in rampatch */ }; static const struct qca_device_info qca_devices_table[] = { <------>{ 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 */ }; static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request, <------><------><------><------> void *data, u16 size) { <------>int pipe, err; <------>u8 *buf; <------>buf = kmalloc(size, GFP_KERNEL); <------>if (!buf) <------><------>return -ENOMEM; <------>/* Found some of USB hosts have IOT issues with ours so that we should <------> * not wait until HCI layer is ready. <------> */ <------>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); <------>if (err < 0) { <------><------>dev_err(&udev->dev, "Failed to access otp area (%d)", err); <------><------>goto done; <------>} <------>memcpy(data, buf, size); done: <------>kfree(buf); <------>return err; } static int btusb_setup_qca_download_fw(struct hci_dev *hdev, <------><------><------><------> const struct firmware *firmware, <------><------><------><------> size_t hdr_size) { <------>struct btusb_data *btdata = hci_get_drvdata(hdev); <------>struct usb_device *udev = btdata->udev; <------>size_t count, size, sent = 0; <------>int pipe, len, err; <------>u8 *buf; <------>buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL); <------>if (!buf) <------><------>return -ENOMEM; <------>count = firmware->size; <------>size = min_t(size_t, count, hdr_size); <------>memcpy(buf, firmware->data, size); <------>/* USB patches should go down to controller through USB path <------> * because binary format fits to go down through USB channel. <------> * USB control path is for patching headers and USB bulk is for <------> * patch body. <------> */ <------>pipe = usb_sndctrlpipe(udev, 0); <------>err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR, <------><------><------> 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); <------>if (err < 0) { <------><------>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); <------><------>memcpy(buf, firmware->data + sent, size); <------><------>pipe = usb_sndbulkpipe(udev, 0x02); <------><------>err = usb_bulk_msg(udev, pipe, buf, size, &len, <------><------><------><------> QCA_DFU_TIMEOUT); <------><------>if (err < 0) { <------><------><------>bt_dev_err(hdev, "Failed to send body at %zd of %zd (%d)", <------><------><------><------> sent, firmware->size, err); <------><------><------>break; <------><------>} <------><------>if (size != len) { <------><------><------>bt_dev_err(hdev, "Failed to get bulk buffer"); <------><------><------>err = -EILSEQ; <------><------><------>break; <------><------>} <------><------>sent += size; <------><------>count -= size; <------>} done: <------>kfree(buf); <------>return err; } static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev, <------><------><------><------><------> struct qca_version *ver, <------><------><------><------><------> const struct qca_device_info *info) { <------>struct qca_rampatch_version *rver; <------>const struct firmware *fw; <------>u32 ver_rom, ver_patch, rver_rom; <------>u16 rver_rom_low, rver_rom_high, rver_patch; <------>char fwname[64]; <------>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); <------>err = request_firmware(&fw, fwname, &hdev->dev); <------>if (err) { <------><------>bt_dev_err(hdev, "failed to request rampatch file: %s (%d)", <------><------><------> fwname, err); <------><------>return err; <------>} <------>bt_dev_info(hdev, "using rampatch file: %s", fwname); <------>rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset); <------>rver_rom_low = le16_to_cpu(rver->rom_version_low); <------>rver_patch = le16_to_cpu(rver->patch_version); <------>if (ver_rom & ~0xffffU) { <------><------>rver_rom_high = le16_to_cpu(rver->rom_version_high); <------><------>rver_rom = le32_to_cpu(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_dev_err(hdev, "rampatch file version did not match with firmware"); <------><------>err = -EINVAL; <------><------>goto done; <------>} <------>err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr); done: <------>release_firmware(fw); <------>return err; } 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]; <------>int err; <------>snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin", <------><------> le32_to_cpu(ver->rom_version)); <------>err = request_firmware(&fw, fwname, &hdev->dev); <------>if (err) { <------><------>bt_dev_err(hdev, "failed to request NVM file: %s (%d)", <------><------><------> fwname, err); <------><------>return err; <------>} <------>bt_dev_info(hdev, "using NVM file: %s", fwname); <------>err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr); <------>release_firmware(fw); <------>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(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) { <------><------>/* 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(udev, QCA_CHECK_STATUS, &status, <------><------><------><------><------>sizeof(status)); <------>if (err < 0) <------><------>return err; <------>if (!(status & QCA_PATCH_UPDATED)) { <------><------>err = btusb_setup_qca_load_rampatch(hdev, &ver, info); <------><------>if (err < 0) <------><------><------>return err; <------>} <------>if (!(status & QCA_SYSCFG_UPDATED)) { <------><------>err = btusb_setup_qca_load_nvm(hdev, &ver, info); <------><------>if (err < 0) <------><------><------>return err; <------>} <------>return 0; } static inline int __set_diag_interface(struct hci_dev *hdev) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>struct usb_interface *intf = data->diag; <------>int i; <------>if (!data->diag) <------><------>return -ENODEV; <------>data->diag_tx_ep = NULL; <------>data->diag_rx_ep = NULL; <------>for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { <------><------>struct usb_endpoint_descriptor *ep_desc; <------><------>ep_desc = &intf->cur_altsetting->endpoint[i].desc; <------><------>if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { <------><------><------>data->diag_tx_ep = ep_desc; <------><------><------>continue; <------><------>} <------><------>if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { <------><------><------>data->diag_rx_ep = ep_desc; <------><------><------>continue; <------><------>} <------>} <------>if (!data->diag_tx_ep || !data->diag_rx_ep) { <------><------>bt_dev_err(hdev, "invalid diagnostic descriptors"); <------><------>return -ENODEV; <------>} <------>return 0; } static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>struct sk_buff *skb; <------>struct urb *urb; <------>unsigned int pipe; <------>if (!data->diag_tx_ep) <------><------>return ERR_PTR(-ENODEV); <------>urb = usb_alloc_urb(0, GFP_KERNEL); <------>if (!urb) <------><------>return ERR_PTR(-ENOMEM); <------>skb = bt_skb_alloc(2, GFP_KERNEL); <------>if (!skb) { <------><------>usb_free_urb(urb); <------><------>return ERR_PTR(-ENOMEM); <------>} <------>skb_put_u8(skb, 0xf0); <------>skb_put_u8(skb, enable); <------>pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress); <------>usb_fill_bulk_urb(urb, data->udev, pipe, <------><------><------> skb->data, skb->len, btusb_tx_complete, skb); <------>skb->dev = (void *)hdev; <------>return urb; } static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>struct urb *urb; <------>if (!data->diag) <------><------>return -ENODEV; <------>if (!test_bit(HCI_RUNNING, &hdev->flags)) <------><------>return -ENETDOWN; <------>urb = alloc_diag_urb(hdev, enable); <------>if (IS_ERR(urb)) <------><------>return PTR_ERR(urb); <------>return submit_or_queue_tx_urb(hdev, urb); } #ifdef CONFIG_PM static irqreturn_t btusb_oob_wake_handler(int irq, void *priv) { <------>struct btusb_data *data = priv; <------>pm_wakeup_event(&data->udev->dev, 0); <------>pm_system_wakeup(); <------>/* Disable only if not already disabled (keep it balanced) */ <------>if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) { <------><------>disable_irq_nosync(irq); <------><------>disable_irq_wake(irq); <------>} <------>return IRQ_HANDLED; } 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); /* Use an oob wakeup pin? */ static int btusb_config_oob_wake(struct hci_dev *hdev) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>struct device *dev = &data->udev->dev; <------>int irq, ret; <------>clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags); <------>if (!of_match_device(btusb_match_table, dev)) <------><------>return 0; <------>/* Move on if no IRQ specified */ <------>irq = of_irq_get_byname(dev->of_node, "wakeup"); <------>if (irq <= 0) { <------><------>bt_dev_dbg(hdev, "%s: no OOB Wakeup IRQ in DT", __func__); <------><------>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) { <------><------>bt_dev_err(hdev, "%s: IRQ request failed", __func__); <------><------>return ret; <------>} <------>ret = device_init_wakeup(dev, true); <------>if (ret) { <------><------>bt_dev_err(hdev, "%s: failed to init_wakeup", __func__); <------><------>return ret; <------>} <------>data->oob_wake_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_prevent_wake(struct hci_dev *hdev) { <------>struct btusb_data *data = hci_get_drvdata(hdev); <------>if (test_bit(BTUSB_WAKEUP_DISABLE, &data->flags)) <------><------>return true; <------>return !device_may_wakeup(&data->udev->dev); } 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; <------>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; <------>} <------>ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber; <------>if (!id->driver_info) { <------><------>const struct usb_device_id *match; <------><------>match = usb_match_id(intf, blacklist_table); <------><------>if (match) <------><------><------>id = match; <------>} <------>if (id->driver_info == BTUSB_IGNORE) <------><------>return -ENODEV; <------>if (id->driver_info & BTUSB_ATH3012) { <------><------>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 && <------><------> !btusb_qca_need_patch(udev)) <------><------><------>return -ENODEV; <------>} <------>data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); <------>if (!data) <------><------>return -ENOMEM; <------>for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { <------><------>ep_desc = &intf->cur_altsetting->endpoint[i].desc; <------><------>if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { <------><------><------>data->intr_ep = ep_desc; <------><------><------>continue; <------><------>} <------><------>if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { <------><------><------>data->bulk_tx_ep = ep_desc; <------><------><------>continue; <------><------>} <------><------>if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { <------><------><------>data->bulk_rx_ep = ep_desc; <------><------><------>continue; <------><------>} <------>} <------>if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) <------><------>return -ENODEV; <------>if (id->driver_info & BTUSB_AMP) { <------><------>data->cmdreq_type = USB_TYPE_CLASS | 0x01; <------><------>data->cmdreq = 0x2b; <------>} else { <------><------>data->cmdreq_type = USB_TYPE_CLASS; <------><------>data->cmdreq = 0x00; <------>} <------>data->udev = interface_to_usbdev(intf); <------>data->intf = intf; <------>INIT_WORK(&data->work, btusb_work); <------>INIT_WORK(&data->waker, btusb_waker); <------>init_usb_anchor(&data->deferred); <------>init_usb_anchor(&data->tx_anchor); <------>spin_lock_init(&data->txlock); <------>init_usb_anchor(&data->intr_anchor); <------>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; <------><------>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; <------>} <------>hdev = hci_alloc_dev(); <------>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); <------>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->prevent_wake = btusb_prevent_wake; #ifdef CONFIG_PM <------>err = btusb_config_oob_wake(hdev); <------>if (err) <------><------>goto out_free_dev; <------>/* Marvell devices may need a specific chip configuration */ <------>if (id->driver_info & BTUSB_MARVELL && data->oob_wake_irq) { <------><------>err = marvell_config_oob_wake(hdev); <------><------>if (err) <------><------><------>goto out_free_dev; <------>} #endif <------>if (id->driver_info & BTUSB_CW6622) <------><------>set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); <------>if (id->driver_info & BTUSB_BCM2045) <------><------>set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); <------>if (id->driver_info & BTUSB_BCM92035) <------><------>hdev->setup = btusb_setup_bcm92035; <------>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; <------><------>hdev->set_bdaddr = btbcm_set_bdaddr; <------><------>/* Broadcom LM_DIAG Interface numbers are hardcoded */ <------><------>data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2); <------>} <------>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; <------><------>/* Broadcom LM_DIAG Interface numbers are hardcoded */ <------><------>data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2); <------>} <------>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; <------><------>hdev->cmd_timeout = btusb_intel_cmd_timeout; <------><------>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); <------>} <------>if (id->driver_info & BTUSB_INTEL_NEW) { <------><------>hdev->manufacturer = 2; <------><------>hdev->send = btusb_send_frame_intel; <------><------>hdev->setup = btusb_setup_intel_new; <------><------>hdev->shutdown = btusb_shutdown_intel_new; <------><------>hdev->hw_error = btintel_hw_error; <------><------>hdev->set_diag = btintel_set_diag; <------><------>hdev->set_bdaddr = btintel_set_bdaddr; <------><------>hdev->cmd_timeout = btusb_intel_cmd_timeout; <------><------>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); <------>} <------>if (id->driver_info & BTUSB_INTEL_NEWGEN) { <------><------>hdev->manufacturer = 2; <------><------>hdev->send = btusb_send_frame_intel; <------><------>hdev->setup = btusb_setup_intel_newgen; <------><------>hdev->shutdown = btusb_shutdown_intel_new; <------><------>hdev->hw_error = btintel_hw_error; <------><------>hdev->set_diag = btintel_set_diag; <------><------>hdev->set_bdaddr = btintel_set_bdaddr; <------><------>hdev->cmd_timeout = btusb_intel_cmd_timeout; <------><------>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); <------><------>data->recv_event = btusb_recv_event_intel; <------><------>data->recv_bulk = btusb_recv_bulk_intel; <------><------>set_bit(BTUSB_BOOTLOADER, &data->flags); <------>} <------>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; <------><------>set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks); <------>} <------>if (id->driver_info & BTUSB_SWAVE) { <------><------>set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks); <------><------>set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks); <------>} <------>if (id->driver_info & BTUSB_INTEL_BOOT) { <------><------>hdev->manufacturer = 2; <------><------>set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); <------>} <------>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); <------>} <------>if (id->driver_info & BTUSB_QCA_ROME) { <------><------>data->setup_on_usb = btusb_setup_qca; <------><------>hdev->set_bdaddr = btusb_set_bdaddr_ath3012; <------><------>hdev->cmd_timeout = btusb_qca_cmd_timeout; <------><------>set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); <------><------>btusb_check_needs_reset_resume(intf); <------>} <------>if (id->driver_info & BTUSB_QCA_WCN6855) { <------><------>data->setup_on_usb = btusb_setup_qca; <------><------>hdev->set_bdaddr = btusb_set_bdaddr_wcn6855; <------><------>hdev->cmd_timeout = btusb_qca_cmd_timeout; <------><------>set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); <------>} <------>if (id->driver_info & BTUSB_AMP) { <------><------>/* AMP controllers do not support SCO packets */ <------><------>data->isoc = NULL; <------>} 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)) { <------><------>hdev->setup = btrtl_setup_realtek; <------><------>hdev->shutdown = btrtl_shutdown_realtek; <------><------>hdev->cmd_timeout = btusb_rtl_cmd_timeout; <------><------>/* Realtek devices lose their updated firmware over global <------><------> * suspend that means host doesn't send SET_FEATURE <------><------> * (DEVICE_REMOTE_WAKEUP) <------><------> */ <------><------>set_bit(BTUSB_WAKEUP_DISABLE, &data->flags); <------><------>set_bit(BTUSB_USE_ALT3_FOR_WBS, &data->flags); <------>} <------>if (!reset) <------><------>set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); <------>if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { <------><------>if (!disable_scofix) <------><------><------>set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); <------>} <------>if (id->driver_info & BTUSB_BROKEN_ISOC) <------><------>data->isoc = NULL; <------>if (id->driver_info & BTUSB_WIDEBAND_SPEECH) <------><------>set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks); <------>if (id->driver_info & BTUSB_VALID_LE_STATES) <------><------>set_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks); <------>if (id->driver_info & BTUSB_DIGIANSWER) { <------><------>data->cmdreq_type = USB_TYPE_VENDOR; <------><------>set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); <------>} <------>if (id->driver_info & BTUSB_CSR) { <------><------>struct usb_device *udev = data->udev; <------><------>u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); <------><------>/* Old firmware would otherwise execute USB reset */ <------><------>if (bcdDevice < 0x117) <------><------><------>set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); <------><------>/* This must be set first in case we disable it for fakes */ <------><------>set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); <------><------>/* Fake CSR devices with broken commands */ <------><------>if (le16_to_cpu(udev->descriptor.idVendor) == 0x0a12 && <------><------> le16_to_cpu(udev->descriptor.idProduct) == 0x0001) <------><------><------>hdev->setup = btusb_setup_csr; <------>} <------>if (id->driver_info & BTUSB_SNIFFER) { <------><------>struct usb_device *udev = data->udev; <------><------>/* New sniffer firmware has crippled HCI interface */ <------><------>if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) <------><------><------>set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); <------>} <------>if (id->driver_info & BTUSB_INTEL_BOOT) { <------><------>/* A bug in the bootloader causes that interrupt interface is <------><------> * only enabled after receiving SetInterface(0, AltSetting=0). <------><------> */ <------><------>err = usb_set_interface(data->udev, 0, 0); <------><------>if (err < 0) { <------><------><------>BT_ERR("failed to set interface 0, alt 0 %d", err); <------><------><------>goto out_free_dev; <------><------>} <------>} <------>if (data->isoc) { <------><------>err = usb_driver_claim_interface(&btusb_driver, <------><------><------><------><------><------> data->isoc, data); <------><------>if (err < 0) <------><------><------>goto out_free_dev; <------>} <------>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; <------>} <------>if (enable_autosuspend) <------><------>usb_enable_autosuspend(data->udev); <------>err = hci_register_dev(hdev); <------>if (err < 0) <------><------>goto out_free_dev; <------>usb_set_intfdata(intf, data); <------>return 0; out_free_dev: <------>if (data->reset_gpio) <------><------>gpiod_put(data->reset_gpio); <------>hci_free_dev(hdev); <------>return err; } static void btusb_disconnect(struct usb_interface *intf) { <------>struct btusb_data *data = usb_get_intfdata(intf); <------>struct hci_dev *hdev; <------>BT_DBG("intf %p", intf); <------>if (!data) <------><------>return; <------>hdev = data->hdev; <------>usb_set_intfdata(data->intf, NULL); <------>if (data->isoc) <------><------>usb_set_intfdata(data->isoc, NULL); <------>if (data->diag) <------><------>usb_set_intfdata(data->diag, NULL); <------>hci_unregister_dev(hdev); <------>if (intf == data->intf) { <------><------>if (data->isoc) <------><------><------>usb_driver_release_interface(&btusb_driver, data->isoc); <------><------>if (data->diag) <------><------><------>usb_driver_release_interface(&btusb_driver, data->diag); <------>} else if (intf == data->isoc) { <------><------>if (data->diag) <------><------><------>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); <------>} <------>if (data->oob_wake_irq) <------><------>device_init_wakeup(&data->udev->dev, false); <------>if (data->reset_gpio) <------><------>gpiod_put(data->reset_gpio); <------>hci_free_dev(hdev); } #ifdef CONFIG_PM static int btusb_suspend(struct usb_interface *intf, pm_message_t message) { <------>struct btusb_data *data = usb_get_intfdata(intf); <------>BT_DBG("intf %p", intf); <------>if (data->suspend_count++) <------><------>return 0; <------>spin_lock_irq(&data->txlock); <------>if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { <------><------>set_bit(BTUSB_SUSPENDING, &data->flags); <------><------>spin_unlock_irq(&data->txlock); <------>} else { <------><------>spin_unlock_irq(&data->txlock); <------><------>data->suspend_count--; <------><------>return -EBUSY; <------>} <------>cancel_work_sync(&data->work); <------>btusb_stop_traffic(data); <------>usb_kill_anchored_urbs(&data->tx_anchor); <------>if (data->oob_wake_irq && device_may_wakeup(&data->udev->dev)) { <------><------>set_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags); <------><------>enable_irq_wake(data->oob_wake_irq); <------><------>enable_irq(data->oob_wake_irq); <------>} <------>/* 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_WAKEUP_DISABLE, &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)) <------><------><------>data->udev->reset_resume = 1; <------>} <------>return 0; } static void play_deferred(struct btusb_data *data) { <------>struct urb *urb; <------>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 != -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); <------>} } static int btusb_resume(struct usb_interface *intf) { <------>struct btusb_data *data = usb_get_intfdata(intf); <------>struct hci_dev *hdev = data->hdev; <------>int err = 0; <------>BT_DBG("intf %p", intf); <------>if (--data->suspend_count) <------><------>return 0; <------>/* Disable only if not already disabled (keep it balanced) */ <------>if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) { <------><------>disable_irq(data->oob_wake_irq); <------><------>disable_irq_wake(data->oob_wake_irq); <------>} <------>if (!test_bit(HCI_RUNNING, &hdev->flags)) <------><------>goto done; <------>if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { <------><------>err = btusb_submit_intr_urb(hdev, GFP_NOIO); <------><------>if (err < 0) { <------><------><------>clear_bit(BTUSB_INTR_RUNNING, &data->flags); <------><------><------>goto failed; <------><------>} <------>} <------>if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { <------><------>err = btusb_submit_bulk_urb(hdev, GFP_NOIO); <------><------>if (err < 0) { <------><------><------>clear_bit(BTUSB_BULK_RUNNING, &data->flags); <------><------><------>goto failed; <------><------>} <------><------>btusb_submit_bulk_urb(hdev, GFP_NOIO); <------>} <------>if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { <------><------>if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) <------><------><------>clear_bit(BTUSB_ISOC_RUNNING, &data->flags); <------><------>else <------><------><------>btusb_submit_isoc_urb(hdev, GFP_NOIO); <------>} <------>spin_lock_irq(&data->txlock); <------>play_deferred(data); <------>clear_bit(BTUSB_SUSPENDING, &data->flags); <------>spin_unlock_irq(&data->txlock); <------>schedule_work(&data->work); <------>return 0; failed: <------>usb_scuttle_anchored_urbs(&data->deferred); done: <------>spin_lock_irq(&data->txlock); <------>clear_bit(BTUSB_SUSPENDING, &data->flags); <------>spin_unlock_irq(&data->txlock); <------>return err; } #endif static struct usb_driver btusb_driver = { <------>.name = "btusb", <------>.probe = btusb_probe, <------>.disconnect = btusb_disconnect, #ifdef CONFIG_PM <------>.suspend = btusb_suspend, <------>.resume = btusb_resume, #endif <------>.id_table = btusb_table, <------>.supports_autosuspend = 1, <------>.disable_hub_initiated_lpm = 1, }; module_usb_driver(btusb_driver); module_param(disable_scofix, bool, 0644); 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"); MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); MODULE_VERSION(VERSION); MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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