mirror of https://gitee.com/openkylin/linux.git
4399 lines
114 KiB
C
4399 lines
114 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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*
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* Generic Bluetooth USB driver
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*
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* Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org>
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*/
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#include <linux/dmi.h>
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#include <linux/module.h>
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#include <linux/usb.h>
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#include <linux/usb/quirks.h>
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#include <linux/firmware.h>
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#include <linux/iopoll.h>
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#include <linux/of_device.h>
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#include <linux/of_irq.h>
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#include <linux/suspend.h>
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#include <linux/gpio/consumer.h>
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#include <asm/unaligned.h>
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#include <net/bluetooth/bluetooth.h>
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#include <net/bluetooth/hci_core.h>
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#include "btintel.h"
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#include "btbcm.h"
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#include "btrtl.h"
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#define VERSION "0.8"
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static bool disable_scofix;
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static bool force_scofix;
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static bool enable_autosuspend = IS_ENABLED(CONFIG_BT_HCIBTUSB_AUTOSUSPEND);
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static bool reset = true;
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static struct usb_driver btusb_driver;
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#define BTUSB_IGNORE 0x01
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#define BTUSB_DIGIANSWER 0x02
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#define BTUSB_CSR 0x04
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#define BTUSB_SNIFFER 0x08
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#define BTUSB_BCM92035 0x10
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#define BTUSB_BROKEN_ISOC 0x20
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#define BTUSB_WRONG_SCO_MTU 0x40
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#define BTUSB_ATH3012 0x80
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#define BTUSB_INTEL 0x100
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#define BTUSB_INTEL_BOOT 0x200
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#define BTUSB_BCM_PATCHRAM 0x400
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#define BTUSB_MARVELL 0x800
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#define BTUSB_SWAVE 0x1000
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#define BTUSB_INTEL_NEW 0x2000
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#define BTUSB_AMP 0x4000
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#define BTUSB_QCA_ROME 0x8000
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#define BTUSB_BCM_APPLE 0x10000
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#define BTUSB_REALTEK 0x20000
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#define BTUSB_BCM2045 0x40000
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#define BTUSB_IFNUM_2 0x80000
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#define BTUSB_CW6622 0x100000
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#define BTUSB_MEDIATEK 0x200000
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#define BTUSB_WIDEBAND_SPEECH 0x400000
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#define BTUSB_VALID_LE_STATES 0x800000
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static const struct usb_device_id btusb_table[] = {
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/* Generic Bluetooth USB device */
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{ USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
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/* Generic Bluetooth AMP device */
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{ USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP },
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/* Generic Bluetooth USB interface */
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{ USB_INTERFACE_INFO(0xe0, 0x01, 0x01) },
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/* Apple-specific (Broadcom) devices */
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{ USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01),
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.driver_info = BTUSB_BCM_APPLE | BTUSB_IFNUM_2 },
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/* MediaTek MT76x0E */
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{ USB_DEVICE(0x0e8d, 0x763f) },
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/* Broadcom SoftSailing reporting vendor specific */
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{ USB_DEVICE(0x0a5c, 0x21e1) },
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/* Apple MacBookPro 7,1 */
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{ USB_DEVICE(0x05ac, 0x8213) },
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/* Apple iMac11,1 */
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{ USB_DEVICE(0x05ac, 0x8215) },
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/* Apple MacBookPro6,2 */
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{ USB_DEVICE(0x05ac, 0x8218) },
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/* Apple MacBookAir3,1, MacBookAir3,2 */
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{ USB_DEVICE(0x05ac, 0x821b) },
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/* Apple MacBookAir4,1 */
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{ USB_DEVICE(0x05ac, 0x821f) },
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/* Apple MacBookPro8,2 */
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{ USB_DEVICE(0x05ac, 0x821a) },
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/* Apple MacMini5,1 */
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{ USB_DEVICE(0x05ac, 0x8281) },
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/* AVM BlueFRITZ! USB v2.0 */
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{ USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE },
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/* Bluetooth Ultraport Module from IBM */
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{ USB_DEVICE(0x04bf, 0x030a) },
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/* ALPS Modules with non-standard id */
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{ USB_DEVICE(0x044e, 0x3001) },
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{ USB_DEVICE(0x044e, 0x3002) },
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/* Ericsson with non-standard id */
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{ USB_DEVICE(0x0bdb, 0x1002) },
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/* Canyon CN-BTU1 with HID interfaces */
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{ USB_DEVICE(0x0c10, 0x0000) },
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/* Broadcom BCM20702A0 */
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{ USB_DEVICE(0x413c, 0x8197) },
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/* Broadcom BCM20702B0 (Dynex/Insignia) */
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{ USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM },
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/* Broadcom BCM43142A0 (Foxconn/Lenovo) */
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{ USB_VENDOR_AND_INTERFACE_INFO(0x105b, 0xff, 0x01, 0x01),
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.driver_info = BTUSB_BCM_PATCHRAM },
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/* Broadcom BCM920703 (HTC Vive) */
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{ USB_VENDOR_AND_INTERFACE_INFO(0x0bb4, 0xff, 0x01, 0x01),
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.driver_info = BTUSB_BCM_PATCHRAM },
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/* Foxconn - Hon Hai */
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{ USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01),
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.driver_info = BTUSB_BCM_PATCHRAM },
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/* Lite-On Technology - Broadcom based */
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{ USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01),
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.driver_info = BTUSB_BCM_PATCHRAM },
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/* Broadcom devices with vendor specific id */
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{ USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01),
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.driver_info = BTUSB_BCM_PATCHRAM },
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/* ASUSTek Computer - Broadcom based */
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{ USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01),
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.driver_info = BTUSB_BCM_PATCHRAM },
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/* Belkin F8065bf - Broadcom based */
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{ USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01),
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.driver_info = BTUSB_BCM_PATCHRAM },
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/* IMC Networks - Broadcom based */
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{ USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01),
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.driver_info = BTUSB_BCM_PATCHRAM },
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/* Dell Computer - Broadcom based */
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{ USB_VENDOR_AND_INTERFACE_INFO(0x413c, 0xff, 0x01, 0x01),
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.driver_info = BTUSB_BCM_PATCHRAM },
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/* Toshiba Corp - Broadcom based */
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{ USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01),
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.driver_info = BTUSB_BCM_PATCHRAM },
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/* Intel Bluetooth USB Bootloader (RAM module) */
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{ USB_DEVICE(0x8087, 0x0a5a),
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.driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC },
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{ } /* Terminating entry */
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};
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MODULE_DEVICE_TABLE(usb, btusb_table);
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static const struct usb_device_id blacklist_table[] = {
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/* CSR BlueCore devices */
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{ USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
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/* Broadcom BCM2033 without firmware */
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{ USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
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/* Broadcom BCM2045 devices */
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{ USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 },
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/* Atheros 3011 with sflash firmware */
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{ USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
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{ USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
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{ USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE },
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{ USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
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{ USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
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{ USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
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{ USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
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/* Atheros AR9285 Malbec with sflash firmware */
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{ USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
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/* Atheros 3012 with sflash firmware */
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{ USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 },
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/* Atheros AR5BBU12 with sflash firmware */
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{ USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
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/* Atheros AR5BBU12 with sflash firmware */
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{ USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
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/* QCA ROME chipset */
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{ USB_DEVICE(0x0cf3, 0x535b), .driver_info = BTUSB_QCA_ROME },
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{ USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME },
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{ USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME },
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{ USB_DEVICE(0x0cf3, 0xe010), .driver_info = BTUSB_QCA_ROME },
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{ USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME },
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{ USB_DEVICE(0x0cf3, 0xe301), .driver_info = BTUSB_QCA_ROME },
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{ USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME },
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{ USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME },
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{ USB_DEVICE(0x0489, 0xe09f), .driver_info = BTUSB_QCA_ROME },
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{ USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME },
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{ USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME },
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{ USB_DEVICE(0x04ca, 0x3015), .driver_info = BTUSB_QCA_ROME },
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{ USB_DEVICE(0x04ca, 0x3016), .driver_info = BTUSB_QCA_ROME },
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{ USB_DEVICE(0x04ca, 0x301a), .driver_info = BTUSB_QCA_ROME },
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{ USB_DEVICE(0x04ca, 0x3021), .driver_info = BTUSB_QCA_ROME },
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{ USB_DEVICE(0x13d3, 0x3491), .driver_info = BTUSB_QCA_ROME },
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{ USB_DEVICE(0x13d3, 0x3496), .driver_info = BTUSB_QCA_ROME },
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{ USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME },
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/* Broadcom BCM2035 */
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{ USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
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{ USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
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{ USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
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/* Broadcom BCM2045 */
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{ USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
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{ USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
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/* IBM/Lenovo ThinkPad with Broadcom chip */
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{ USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
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{ USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
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/* HP laptop with Broadcom chip */
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{ USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
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/* Dell laptop with Broadcom chip */
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{ USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
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/* Dell Wireless 370 and 410 devices */
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{ USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
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{ USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
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/* Belkin F8T012 and F8T013 devices */
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{ USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
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{ USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
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/* Asus WL-BTD202 device */
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{ USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
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/* Kensington Bluetooth USB adapter */
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{ USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
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/* RTX Telecom based adapters with buggy SCO support */
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{ USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
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{ USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
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/* CONWISE Technology based adapters with buggy SCO support */
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{ USB_DEVICE(0x0e5e, 0x6622),
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.driver_info = BTUSB_BROKEN_ISOC | BTUSB_CW6622},
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/* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
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{ USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE },
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/* Digianswer devices */
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{ USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
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{ USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
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/* CSR BlueCore Bluetooth Sniffer */
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{ USB_DEVICE(0x0a12, 0x0002),
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.driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
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/* Frontline ComProbe Bluetooth Sniffer */
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{ USB_DEVICE(0x16d3, 0x0002),
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.driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
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/* Marvell Bluetooth devices */
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{ USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL },
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{ USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL },
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{ USB_DEVICE(0x1286, 0x204e), .driver_info = BTUSB_MARVELL },
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/* Intel Bluetooth devices */
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{ USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_NEW |
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BTUSB_WIDEBAND_SPEECH |
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BTUSB_VALID_LE_STATES },
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{ USB_DEVICE(0x8087, 0x0026), .driver_info = BTUSB_INTEL_NEW |
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BTUSB_WIDEBAND_SPEECH },
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{ USB_DEVICE(0x8087, 0x0029), .driver_info = BTUSB_INTEL_NEW |
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BTUSB_WIDEBAND_SPEECH },
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{ USB_DEVICE(0x8087, 0x0032), .driver_info = BTUSB_INTEL_NEW |
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BTUSB_WIDEBAND_SPEECH},
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{ USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR },
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{ USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL },
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{ 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 },
|
|
|
|
/* 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 },
|
|
|
|
/* 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 },
|
|
|
|
/* 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 },
|
|
|
|
/* 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_ALT1_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) {
|
|
/* Check if Alt 6 is supported for Transparent audio */
|
|
if (btusb_find_altsetting(data, 6)) {
|
|
data->usb_alt6_packet_flow = true;
|
|
new_alts = 6;
|
|
} else if (test_bit(BTUSB_USE_ALT1_FOR_WBS, &data->flags)) {
|
|
new_alts = 1;
|
|
} else {
|
|
bt_dev_err(hdev, "Device does not support ALT setting 6");
|
|
}
|
|
}
|
|
|
|
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 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;
|
|
|
|
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 int btusb_intel_download_firmware(struct hci_dev *hdev,
|
|
struct intel_version *ver,
|
|
struct intel_boot_params *params)
|
|
{
|
|
const struct firmware *fw;
|
|
u32 boot_param;
|
|
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);
|
|
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_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++;
|
|
goto err_out;
|
|
}
|
|
|
|
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)
|
|
goto err_out;
|
|
}
|
|
|
|
err = hci_recv_frame(hdev, skb);
|
|
if (err < 0)
|
|
goto err_free_skb;
|
|
|
|
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);
|
|
}
|
|
err_out:
|
|
return;
|
|
err_free_skb:
|
|
kfree_skb(data->evt_skb);
|
|
data->evt_skb = NULL;
|
|
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) {
|
|
/* -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);
|
|
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;
|
|
|
|
/* Submit control IN URB on demand to process the WMT event */
|
|
err = btusb_mtk_submit_wmt_recv_urb(hdev);
|
|
if (err < 0)
|
|
return 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;
|
|
}
|
|
|
|
/* 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);
|
|
return err;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
#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;
|
|
__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, 10 }, /* Rome 1.0 */
|
|
{ 0x00000101, 20, 4, 10 }, /* Rome 1.1 */
|
|
{ 0x00000200, 28, 4, 18 }, /* Rome 2.0 */
|
|
{ 0x00000201, 28, 4, 18 }, /* Rome 2.1 */
|
|
{ 0x00000300, 28, 4, 18 }, /* Rome 3.0 */
|
|
{ 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
|
|
};
|
|
|
|
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;
|
|
|
|
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;
|
|
u16 rver_rom, 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 = le16_to_cpu(rver->rom_version);
|
|
rver_patch = le16_to_cpu(rver->patch_version);
|
|
|
|
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);
|
|
/* Don't care about high ROM versions */
|
|
if (ver_rom & ~0xffffU)
|
|
return 0;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) {
|
|
if (ver_rom == qca_devices_table[i].rom_version)
|
|
info = &qca_devices_table[i];
|
|
}
|
|
if (!info) {
|
|
bt_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_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_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);
|
|
if (btusb_find_altsetting(data, 1))
|
|
set_bit(BTUSB_USE_ALT1_FOR_WBS, &data->flags);
|
|
else
|
|
bt_dev_err(hdev, "Device does not support ALT setting 1");
|
|
}
|
|
|
|
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");
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module_param(force_scofix, bool, 0644);
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MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
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module_param(enable_autosuspend, bool, 0644);
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MODULE_PARM_DESC(enable_autosuspend, "Enable USB autosuspend by default");
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module_param(reset, bool, 0644);
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MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
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MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
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MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
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MODULE_VERSION(VERSION);
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MODULE_LICENSE("GPL");
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