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f95fd5f364
This makes use of BIT macro when declaring BTUSB flags which makes it understand how many bits are in use and many are left. Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
4143 lines
109 KiB
C
4143 lines
109 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 <linux/debugfs.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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#include "btmtk.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 BIT(0)
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#define BTUSB_DIGIANSWER BIT(1)
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#define BTUSB_CSR BIT(2)
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#define BTUSB_SNIFFER BIT(3)
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#define BTUSB_BCM92035 BIT(4)
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#define BTUSB_BROKEN_ISOC BIT(5)
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#define BTUSB_WRONG_SCO_MTU BIT(6)
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#define BTUSB_ATH3012 BIT(7)
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#define BTUSB_INTEL_COMBINED BIT(8)
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#define BTUSB_INTEL_BOOT BIT(9)
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#define BTUSB_BCM_PATCHRAM BIT(10)
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#define BTUSB_MARVELL BIT(11)
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#define BTUSB_SWAVE BIT(12)
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#define BTUSB_AMP BIT(13)
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#define BTUSB_QCA_ROME BIT(14)
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#define BTUSB_BCM_APPLE BIT(15)
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#define BTUSB_REALTEK BIT(16)
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#define BTUSB_BCM2045 BIT(17)
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#define BTUSB_IFNUM_2 BIT(18)
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#define BTUSB_CW6622 BIT(19)
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#define BTUSB_MEDIATEK BIT(20)
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#define BTUSB_WIDEBAND_SPEECH BIT(21)
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#define BTUSB_VALID_LE_STATES BIT(22)
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#define BTUSB_QCA_WCN6855 BIT(23)
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#define BTUSB_INTEL_BROKEN_SHUTDOWN_LED BIT(24)
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#define BTUSB_INTEL_BROKEN_INITIAL_NCMD BIT(25)
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#define BTUSB_INTEL_NO_WBS_SUPPORT BIT(26)
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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 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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BTUSB_WIDEBAND_SPEECH },
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{ USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME |
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BTUSB_WIDEBAND_SPEECH },
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{ USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME |
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BTUSB_WIDEBAND_SPEECH },
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{ USB_DEVICE(0x0cf3, 0xe010), .driver_info = BTUSB_QCA_ROME |
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BTUSB_WIDEBAND_SPEECH },
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{ USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME |
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BTUSB_WIDEBAND_SPEECH },
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{ USB_DEVICE(0x0cf3, 0xe301), .driver_info = BTUSB_QCA_ROME |
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BTUSB_WIDEBAND_SPEECH },
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{ USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME |
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BTUSB_WIDEBAND_SPEECH },
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{ USB_DEVICE(0x0cf3, 0xe500), .driver_info = BTUSB_QCA_ROME |
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BTUSB_WIDEBAND_SPEECH },
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{ USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME |
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BTUSB_WIDEBAND_SPEECH },
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{ USB_DEVICE(0x0489, 0xe09f), .driver_info = BTUSB_QCA_ROME |
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BTUSB_WIDEBAND_SPEECH },
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{ USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME |
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BTUSB_WIDEBAND_SPEECH },
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{ USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME |
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BTUSB_WIDEBAND_SPEECH },
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{ USB_DEVICE(0x04ca, 0x3015), .driver_info = BTUSB_QCA_ROME |
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BTUSB_WIDEBAND_SPEECH },
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{ USB_DEVICE(0x04ca, 0x3016), .driver_info = BTUSB_QCA_ROME |
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BTUSB_WIDEBAND_SPEECH },
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{ USB_DEVICE(0x04ca, 0x301a), .driver_info = BTUSB_QCA_ROME |
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BTUSB_WIDEBAND_SPEECH },
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{ USB_DEVICE(0x04ca, 0x3021), .driver_info = BTUSB_QCA_ROME |
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BTUSB_WIDEBAND_SPEECH },
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{ USB_DEVICE(0x13d3, 0x3491), .driver_info = BTUSB_QCA_ROME |
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BTUSB_WIDEBAND_SPEECH },
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{ USB_DEVICE(0x13d3, 0x3496), .driver_info = BTUSB_QCA_ROME |
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BTUSB_WIDEBAND_SPEECH },
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{ USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME |
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BTUSB_WIDEBAND_SPEECH },
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/* QCA WCN6855 chipset */
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{ USB_DEVICE(0x0cf3, 0xe600), .driver_info = BTUSB_QCA_WCN6855 |
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BTUSB_WIDEBAND_SPEECH |
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BTUSB_VALID_LE_STATES },
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{ USB_DEVICE(0x0489, 0xe0cc), .driver_info = BTUSB_QCA_WCN6855 |
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BTUSB_WIDEBAND_SPEECH |
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BTUSB_VALID_LE_STATES },
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{ USB_DEVICE(0x0489, 0xe0d6), .driver_info = BTUSB_QCA_WCN6855 |
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BTUSB_WIDEBAND_SPEECH |
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BTUSB_VALID_LE_STATES },
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{ USB_DEVICE(0x0489, 0xe0e3), .driver_info = BTUSB_QCA_WCN6855 |
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BTUSB_WIDEBAND_SPEECH |
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BTUSB_VALID_LE_STATES },
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{ USB_DEVICE(0x10ab, 0x9309), .driver_info = BTUSB_QCA_WCN6855 |
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BTUSB_WIDEBAND_SPEECH |
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BTUSB_VALID_LE_STATES },
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{ USB_DEVICE(0x10ab, 0x9409), .driver_info = BTUSB_QCA_WCN6855 |
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BTUSB_WIDEBAND_SPEECH |
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BTUSB_VALID_LE_STATES },
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{ USB_DEVICE(0x0489, 0xe0d0), .driver_info = BTUSB_QCA_WCN6855 |
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BTUSB_WIDEBAND_SPEECH |
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BTUSB_VALID_LE_STATES },
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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 */
|
|
{ USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
|
|
{ USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
|
|
|
|
/* Asus WL-BTD202 device */
|
|
{ USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
|
|
|
|
/* Kensington Bluetooth USB adapter */
|
|
{ USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
|
|
|
|
/* RTX Telecom based adapters with buggy SCO support */
|
|
{ USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
|
|
{ USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
|
|
|
|
/* CONWISE Technology based adapters with buggy SCO support */
|
|
{ USB_DEVICE(0x0e5e, 0x6622),
|
|
.driver_info = BTUSB_BROKEN_ISOC | BTUSB_CW6622},
|
|
|
|
/* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
|
|
{ USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE },
|
|
|
|
/* Digianswer devices */
|
|
{ USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
|
|
{ USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
|
|
|
|
/* CSR BlueCore Bluetooth Sniffer */
|
|
{ USB_DEVICE(0x0a12, 0x0002),
|
|
.driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
|
|
|
|
/* Frontline ComProbe Bluetooth Sniffer */
|
|
{ USB_DEVICE(0x16d3, 0x0002),
|
|
.driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
|
|
|
|
/* Marvell Bluetooth devices */
|
|
{ USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL },
|
|
{ USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL },
|
|
{ USB_DEVICE(0x1286, 0x204e), .driver_info = BTUSB_MARVELL },
|
|
|
|
/* Intel Bluetooth devices */
|
|
{ USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_COMBINED },
|
|
{ USB_DEVICE(0x8087, 0x0026), .driver_info = BTUSB_INTEL_COMBINED },
|
|
{ USB_DEVICE(0x8087, 0x0029), .driver_info = BTUSB_INTEL_COMBINED },
|
|
{ USB_DEVICE(0x8087, 0x0032), .driver_info = BTUSB_INTEL_COMBINED },
|
|
{ USB_DEVICE(0x8087, 0x0033), .driver_info = BTUSB_INTEL_COMBINED },
|
|
{ USB_DEVICE(0x8087, 0x0035), .driver_info = BTUSB_INTEL_COMBINED },
|
|
{ USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR },
|
|
{ USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL_COMBINED |
|
|
BTUSB_INTEL_NO_WBS_SUPPORT |
|
|
BTUSB_INTEL_BROKEN_INITIAL_NCMD |
|
|
BTUSB_INTEL_BROKEN_SHUTDOWN_LED },
|
|
{ USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL_COMBINED |
|
|
BTUSB_INTEL_NO_WBS_SUPPORT |
|
|
BTUSB_INTEL_BROKEN_SHUTDOWN_LED },
|
|
{ USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_COMBINED },
|
|
{ USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL_COMBINED |
|
|
BTUSB_INTEL_BROKEN_SHUTDOWN_LED },
|
|
{ USB_DEVICE(0x8087, 0x0aaa), .driver_info = BTUSB_INTEL_COMBINED },
|
|
|
|
/* Other Intel Bluetooth devices */
|
|
{ USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
|
|
.driver_info = BTUSB_IGNORE },
|
|
|
|
/* Realtek 8822CE Bluetooth devices */
|
|
{ USB_DEVICE(0x0bda, 0xb00c), .driver_info = BTUSB_REALTEK |
|
|
BTUSB_WIDEBAND_SPEECH },
|
|
{ USB_DEVICE(0x0bda, 0xc822), .driver_info = BTUSB_REALTEK |
|
|
BTUSB_WIDEBAND_SPEECH },
|
|
|
|
/* Realtek 8852AE Bluetooth devices */
|
|
{ USB_DEVICE(0x0bda, 0x2852), .driver_info = BTUSB_REALTEK |
|
|
BTUSB_WIDEBAND_SPEECH },
|
|
{ USB_DEVICE(0x0bda, 0xc852), .driver_info = BTUSB_REALTEK |
|
|
BTUSB_WIDEBAND_SPEECH },
|
|
{ USB_DEVICE(0x0bda, 0x385a), .driver_info = BTUSB_REALTEK |
|
|
BTUSB_WIDEBAND_SPEECH },
|
|
{ USB_DEVICE(0x0bda, 0x4852), .driver_info = BTUSB_REALTEK |
|
|
BTUSB_WIDEBAND_SPEECH },
|
|
{ USB_DEVICE(0x04c5, 0x165c), .driver_info = BTUSB_REALTEK |
|
|
BTUSB_WIDEBAND_SPEECH },
|
|
{ USB_DEVICE(0x04ca, 0x4006), .driver_info = BTUSB_REALTEK |
|
|
BTUSB_WIDEBAND_SPEECH },
|
|
|
|
/* Realtek Bluetooth devices */
|
|
{ USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
|
|
.driver_info = BTUSB_REALTEK },
|
|
|
|
/* MediaTek Bluetooth devices */
|
|
{ USB_VENDOR_AND_INTERFACE_INFO(0x0e8d, 0xe0, 0x01, 0x01),
|
|
.driver_info = BTUSB_MEDIATEK |
|
|
BTUSB_WIDEBAND_SPEECH |
|
|
BTUSB_VALID_LE_STATES },
|
|
|
|
/* Additional MediaTek MT7615E Bluetooth devices */
|
|
{ USB_DEVICE(0x13d3, 0x3560), .driver_info = BTUSB_MEDIATEK},
|
|
|
|
/* Additional MediaTek MT7663 Bluetooth devices */
|
|
{ USB_DEVICE(0x043e, 0x310c), .driver_info = BTUSB_MEDIATEK |
|
|
BTUSB_WIDEBAND_SPEECH |
|
|
BTUSB_VALID_LE_STATES },
|
|
|
|
/* Additional MediaTek MT7668 Bluetooth devices */
|
|
{ USB_DEVICE(0x043e, 0x3109), .driver_info = BTUSB_MEDIATEK |
|
|
BTUSB_WIDEBAND_SPEECH |
|
|
BTUSB_VALID_LE_STATES },
|
|
|
|
/* Additional MediaTek MT7921 Bluetooth devices */
|
|
{ USB_DEVICE(0x04ca, 0x3802), .driver_info = BTUSB_MEDIATEK |
|
|
BTUSB_WIDEBAND_SPEECH |
|
|
BTUSB_VALID_LE_STATES },
|
|
{ USB_DEVICE(0x13d3, 0x3563), .driver_info = BTUSB_MEDIATEK |
|
|
BTUSB_WIDEBAND_SPEECH |
|
|
BTUSB_VALID_LE_STATES },
|
|
{ USB_DEVICE(0x13d3, 0x3564), .driver_info = BTUSB_MEDIATEK |
|
|
BTUSB_WIDEBAND_SPEECH |
|
|
BTUSB_VALID_LE_STATES },
|
|
{ USB_DEVICE(0x0489, 0xe0cd), .driver_info = BTUSB_MEDIATEK |
|
|
BTUSB_WIDEBAND_SPEECH |
|
|
BTUSB_VALID_LE_STATES },
|
|
|
|
/* MediaTek MT7922A Bluetooth devices */
|
|
{ USB_DEVICE(0x0489, 0xe0d8), .driver_info = BTUSB_MEDIATEK |
|
|
BTUSB_WIDEBAND_SPEECH |
|
|
BTUSB_VALID_LE_STATES },
|
|
{ USB_DEVICE(0x0489, 0xe0d9), .driver_info = BTUSB_MEDIATEK |
|
|
BTUSB_WIDEBAND_SPEECH |
|
|
BTUSB_VALID_LE_STATES },
|
|
|
|
/* Additional Realtek 8723AE Bluetooth devices */
|
|
{ USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
|
|
{ USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK },
|
|
|
|
/* Additional Realtek 8723BE Bluetooth devices */
|
|
{ USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK },
|
|
{ USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK },
|
|
{ USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK },
|
|
{ USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK },
|
|
{ USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK },
|
|
{ USB_DEVICE(0x13d3, 0x3494), .driver_info = BTUSB_REALTEK },
|
|
|
|
/* Additional Realtek 8723BU Bluetooth devices */
|
|
{ USB_DEVICE(0x7392, 0xa611), .driver_info = BTUSB_REALTEK },
|
|
|
|
/* Additional Realtek 8723DE Bluetooth devices */
|
|
{ USB_DEVICE(0x0bda, 0xb009), .driver_info = BTUSB_REALTEK },
|
|
{ USB_DEVICE(0x2ff8, 0xb011), .driver_info = BTUSB_REALTEK },
|
|
|
|
/* Additional Realtek 8761B Bluetooth devices */
|
|
{ USB_DEVICE(0x2357, 0x0604), .driver_info = BTUSB_REALTEK |
|
|
BTUSB_WIDEBAND_SPEECH },
|
|
|
|
/* Additional Realtek 8761BU Bluetooth devices */
|
|
{ USB_DEVICE(0x0b05, 0x190e), .driver_info = BTUSB_REALTEK |
|
|
BTUSB_WIDEBAND_SPEECH },
|
|
|
|
/* 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 |
|
|
BTUSB_WIDEBAND_SPEECH },
|
|
{ USB_DEVICE(0x04c5, 0x161f), .driver_info = BTUSB_REALTEK |
|
|
BTUSB_WIDEBAND_SPEECH },
|
|
{ USB_DEVICE(0x0b05, 0x18ef), .driver_info = BTUSB_REALTEK |
|
|
BTUSB_WIDEBAND_SPEECH },
|
|
{ USB_DEVICE(0x13d3, 0x3548), .driver_info = BTUSB_REALTEK |
|
|
BTUSB_WIDEBAND_SPEECH },
|
|
{ USB_DEVICE(0x13d3, 0x3549), .driver_info = BTUSB_REALTEK |
|
|
BTUSB_WIDEBAND_SPEECH },
|
|
{ USB_DEVICE(0x13d3, 0x3553), .driver_info = BTUSB_REALTEK |
|
|
BTUSB_WIDEBAND_SPEECH },
|
|
{ USB_DEVICE(0x13d3, 0x3555), .driver_info = BTUSB_REALTEK |
|
|
BTUSB_WIDEBAND_SPEECH },
|
|
{ USB_DEVICE(0x2ff8, 0x3051), .driver_info = BTUSB_REALTEK |
|
|
BTUSB_WIDEBAND_SPEECH },
|
|
{ USB_DEVICE(0x1358, 0xc123), .driver_info = BTUSB_REALTEK |
|
|
BTUSB_WIDEBAND_SPEECH },
|
|
{ USB_DEVICE(0x0bda, 0xc123), .driver_info = BTUSB_REALTEK |
|
|
BTUSB_WIDEBAND_SPEECH },
|
|
{ USB_DEVICE(0x0cb5, 0xc547), .driver_info = BTUSB_REALTEK |
|
|
BTUSB_WIDEBAND_SPEECH },
|
|
|
|
/* 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_AUTOSUSPEND 14
|
|
#define BTUSB_USE_ALT3_FOR_WBS 15
|
|
|
|
struct btusb_data {
|
|
struct hci_dev *hdev;
|
|
struct usb_device *udev;
|
|
struct usb_interface *intf;
|
|
struct usb_interface *isoc;
|
|
struct usb_interface *diag;
|
|
unsigned isoc_ifnum;
|
|
|
|
unsigned long flags;
|
|
|
|
bool poll_sync;
|
|
int intr_interval;
|
|
struct work_struct work;
|
|
struct work_struct waker;
|
|
struct delayed_work rx_work;
|
|
|
|
struct sk_buff_head acl_q;
|
|
|
|
struct usb_anchor deferred;
|
|
struct usb_anchor tx_anchor;
|
|
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_acl)(struct hci_dev *hdev, struct sk_buff *skb);
|
|
int (*recv_bulk)(struct btusb_data *data, void *buffer, int count);
|
|
|
|
int (*setup_on_usb)(struct hci_dev *hdev);
|
|
|
|
int 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);
|
|
struct gpio_desc *reset_gpio = data->reset_gpio;
|
|
int err;
|
|
|
|
if (++data->cmd_timeout_cnt < 5)
|
|
return;
|
|
|
|
if (reset_gpio) {
|
|
bt_dev_err(hdev, "Reset qca device via bt_en gpio");
|
|
|
|
/* Toggle the hard reset line. The qca bt device is going to
|
|
* yank itself off the USB and then replug. The cleanup is handled
|
|
* correctly on the way out (standard USB disconnect), and the new
|
|
* device is detected cleanly and bound to the driver again like
|
|
* it should be.
|
|
*/
|
|
if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) {
|
|
bt_dev_err(hdev, "last reset failed? Not resetting again");
|
|
return;
|
|
}
|
|
|
|
gpiod_set_value_cansleep(reset_gpio, 0);
|
|
msleep(200);
|
|
gpiod_set_value_cansleep(reset_gpio, 1);
|
|
|
|
return;
|
|
}
|
|
|
|
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_event(struct btusb_data *data, struct sk_buff *skb)
|
|
{
|
|
if (data->intr_interval) {
|
|
/* Trigger dequeue immediatelly if an event is received */
|
|
schedule_delayed_work(&data->rx_work, 0);
|
|
}
|
|
|
|
return data->recv_event(data->hdev, skb);
|
|
}
|
|
|
|
static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count)
|
|
{
|
|
struct sk_buff *skb;
|
|
unsigned long flags;
|
|
int err = 0;
|
|
|
|
spin_lock_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 */
|
|
btusb_recv_event(data, skb);
|
|
skb = NULL;
|
|
}
|
|
}
|
|
|
|
data->evt_skb = skb;
|
|
spin_unlock_irqrestore(&data->rxlock, flags);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int btusb_recv_acl(struct btusb_data *data, struct sk_buff *skb)
|
|
{
|
|
/* Only queue ACL packet if intr_interval is set as it means
|
|
* force_poll_sync has been enabled.
|
|
*/
|
|
if (!data->intr_interval)
|
|
return data->recv_acl(data->hdev, skb);
|
|
|
|
skb_queue_tail(&data->acl_q, skb);
|
|
schedule_delayed_work(&data->rx_work, data->intr_interval);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count)
|
|
{
|
|
struct sk_buff *skb;
|
|
unsigned long flags;
|
|
int err = 0;
|
|
|
|
spin_lock_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 */
|
|
btusb_recv_acl(data, 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);
|
|
if (err != -EPERM)
|
|
hci_cmd_sync_cancel(hdev, -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);
|
|
if (err != -EPERM)
|
|
hci_cmd_sync_cancel(hdev, -err);
|
|
usb_unanchor_urb(urb);
|
|
}
|
|
|
|
/* Only initialize intr_interval if URB poll sync is enabled */
|
|
if (!data->poll_sync)
|
|
goto done;
|
|
|
|
/* The units are frames (milliseconds) for full and low speed devices,
|
|
* and microframes (1/8 millisecond) for highspeed and SuperSpeed
|
|
* devices.
|
|
*
|
|
* This is done once on open/resume so it shouldn't change even if
|
|
* force_poll_sync changes.
|
|
*/
|
|
switch (urb->dev->speed) {
|
|
case USB_SPEED_SUPER_PLUS:
|
|
case USB_SPEED_SUPER: /* units are 125us */
|
|
data->intr_interval = usecs_to_jiffies(urb->interval * 125);
|
|
break;
|
|
default:
|
|
data->intr_interval = msecs_to_jiffies(urb->interval);
|
|
break;
|
|
}
|
|
|
|
done:
|
|
usb_free_urb(urb);
|
|
|
|
return err;
|
|
}
|
|
|
|
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 {
|
|
if (hci_skb_pkt_type(skb) == HCI_COMMAND_PKT)
|
|
hci_cmd_sync_cancel(hdev, -urb->status);
|
|
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;
|
|
|
|
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_delayed_work(&data->rx_work);
|
|
cancel_work_sync(&data->work);
|
|
cancel_work_sync(&data->waker);
|
|
|
|
skb_queue_purge(&data->acl_q);
|
|
|
|
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
|
|
clear_bit(BTUSB_BULK_RUNNING, &data->flags);
|
|
clear_bit(BTUSB_INTR_RUNNING, &data->flags);
|
|
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_AUTOSUSPEND, &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);
|
|
|
|
cancel_delayed_work(&data->rx_work);
|
|
|
|
skb_queue_purge(&data->acl_q);
|
|
|
|
usb_kill_anchored_urbs(&data->tx_anchor);
|
|
btusb_free_frags(data);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
struct usb_ctrlrequest *dr;
|
|
struct urb *urb;
|
|
unsigned int pipe;
|
|
|
|
urb = usb_alloc_urb(0, GFP_KERNEL);
|
|
if (!urb)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
dr = kmalloc(sizeof(*dr), GFP_KERNEL);
|
|
if (!dr) {
|
|
usb_free_urb(urb);
|
|
return ERR_PTR(-ENOMEM);
|
|
}
|
|
|
|
dr->bRequestType = data->cmdreq_type;
|
|
dr->bRequest = data->cmdreq;
|
|
dr->wIndex = 0;
|
|
dr->wValue = 0;
|
|
dr->wLength = __cpu_to_le16(skb->len);
|
|
|
|
pipe = usb_sndctrlpipe(data->udev, 0x00);
|
|
|
|
usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
|
|
skb->data, skb->len, btusb_tx_complete, skb);
|
|
|
|
skb->dev = (void *)hdev;
|
|
|
|
return urb;
|
|
}
|
|
|
|
static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
struct urb *urb;
|
|
unsigned int pipe;
|
|
|
|
if (!data->bulk_tx_ep)
|
|
return ERR_PTR(-ENODEV);
|
|
|
|
urb = usb_alloc_urb(0, GFP_KERNEL);
|
|
if (!urb)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress);
|
|
|
|
usb_fill_bulk_urb(urb, data->udev, pipe,
|
|
skb->data, skb->len, btusb_tx_complete, skb);
|
|
|
|
skb->dev = (void *)hdev;
|
|
|
|
return urb;
|
|
}
|
|
|
|
static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
struct urb *urb;
|
|
unsigned int pipe;
|
|
|
|
if (!data->isoc_tx_ep)
|
|
return ERR_PTR(-ENODEV);
|
|
|
|
urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL);
|
|
if (!urb)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress);
|
|
|
|
usb_fill_int_urb(urb, data->udev, pipe,
|
|
skb->data, skb->len, btusb_isoc_tx_complete,
|
|
skb, data->isoc_tx_ep->bInterval);
|
|
|
|
urb->transfer_flags = URB_ISO_ASAP;
|
|
|
|
if (data->isoc_altsetting == 6)
|
|
__fill_isoc_descriptor_msbc(urb, skb->len,
|
|
le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize),
|
|
data);
|
|
else
|
|
__fill_isoc_descriptor(urb, skb->len,
|
|
le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
|
|
skb->dev = (void *)hdev;
|
|
|
|
return urb;
|
|
}
|
|
|
|
static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
int err;
|
|
|
|
usb_anchor_urb(urb, &data->tx_anchor);
|
|
|
|
err = usb_submit_urb(urb, GFP_KERNEL);
|
|
if (err < 0) {
|
|
if (err != -EPERM && err != -ENODEV)
|
|
bt_dev_err(hdev, "urb %p submission failed (%d)",
|
|
urb, -err);
|
|
kfree(urb->setup_packet);
|
|
usb_unanchor_urb(urb);
|
|
} else {
|
|
usb_mark_last_busy(data->udev);
|
|
}
|
|
|
|
usb_free_urb(urb);
|
|
return err;
|
|
}
|
|
|
|
static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
unsigned long flags;
|
|
bool suspending;
|
|
|
|
spin_lock_irqsave(&data->txlock, flags);
|
|
suspending = test_bit(BTUSB_SUSPENDING, &data->flags);
|
|
if (!suspending)
|
|
data->tx_in_flight++;
|
|
spin_unlock_irqrestore(&data->txlock, flags);
|
|
|
|
if (!suspending)
|
|
return submit_tx_urb(hdev, urb);
|
|
|
|
usb_anchor_urb(urb, &data->deferred);
|
|
schedule_work(&data->waker);
|
|
|
|
usb_free_urb(urb);
|
|
return 0;
|
|
}
|
|
|
|
static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct urb *urb;
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
switch (hci_skb_pkt_type(skb)) {
|
|
case HCI_COMMAND_PKT:
|
|
urb = alloc_ctrl_urb(hdev, skb);
|
|
if (IS_ERR(urb))
|
|
return PTR_ERR(urb);
|
|
|
|
hdev->stat.cmd_tx++;
|
|
return submit_or_queue_tx_urb(hdev, urb);
|
|
|
|
case HCI_ACLDATA_PKT:
|
|
urb = alloc_bulk_urb(hdev, skb);
|
|
if (IS_ERR(urb))
|
|
return PTR_ERR(urb);
|
|
|
|
hdev->stat.acl_tx++;
|
|
return submit_or_queue_tx_urb(hdev, urb);
|
|
|
|
case HCI_SCODATA_PKT:
|
|
if (hci_conn_num(hdev, SCO_LINK) < 1)
|
|
return -ENODEV;
|
|
|
|
urb = alloc_isoc_urb(hdev, skb);
|
|
if (IS_ERR(urb))
|
|
return PTR_ERR(urb);
|
|
|
|
hdev->stat.sco_tx++;
|
|
return submit_tx_urb(hdev, urb);
|
|
}
|
|
|
|
return -EILSEQ;
|
|
}
|
|
|
|
static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
|
|
BT_DBG("%s evt %d", hdev->name, evt);
|
|
|
|
if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) {
|
|
data->sco_num = hci_conn_num(hdev, SCO_LINK);
|
|
data->air_mode = evt;
|
|
schedule_work(&data->work);
|
|
}
|
|
}
|
|
|
|
static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
struct usb_interface *intf = data->isoc;
|
|
struct usb_endpoint_descriptor *ep_desc;
|
|
int i, err;
|
|
|
|
if (!data->isoc)
|
|
return -ENODEV;
|
|
|
|
err = usb_set_interface(data->udev, data->isoc_ifnum, altsetting);
|
|
if (err < 0) {
|
|
bt_dev_err(hdev, "setting interface failed (%d)", -err);
|
|
return err;
|
|
}
|
|
|
|
data->isoc_altsetting = altsetting;
|
|
|
|
data->isoc_tx_ep = NULL;
|
|
data->isoc_rx_ep = NULL;
|
|
|
|
for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
|
|
ep_desc = &intf->cur_altsetting->endpoint[i].desc;
|
|
|
|
if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
|
|
data->isoc_tx_ep = ep_desc;
|
|
continue;
|
|
}
|
|
|
|
if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
|
|
data->isoc_rx_ep = ep_desc;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
|
|
bt_dev_err(hdev, "invalid SCO descriptors");
|
|
return -ENODEV;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int btusb_switch_alt_setting(struct hci_dev *hdev, int new_alts)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
int err;
|
|
|
|
if (data->isoc_altsetting != new_alts) {
|
|
unsigned long flags;
|
|
|
|
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
|
|
usb_kill_anchored_urbs(&data->isoc_anchor);
|
|
|
|
/* When isochronous alternate setting needs to be
|
|
* changed, because SCO connection has been added
|
|
* or removed, a packet fragment may be left in the
|
|
* reassembling state. This could lead to wrongly
|
|
* assembled fragments.
|
|
*
|
|
* Clear outstanding fragment when selecting a new
|
|
* alternate setting.
|
|
*/
|
|
spin_lock_irqsave(&data->rxlock, flags);
|
|
kfree_skb(data->sco_skb);
|
|
data->sco_skb = NULL;
|
|
spin_unlock_irqrestore(&data->rxlock, flags);
|
|
|
|
err = __set_isoc_interface(hdev, new_alts);
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
|
|
if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
|
|
if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
|
|
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
|
|
else
|
|
btusb_submit_isoc_urb(hdev, GFP_KERNEL);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct usb_host_interface *btusb_find_altsetting(struct btusb_data *data,
|
|
int alt)
|
|
{
|
|
struct usb_interface *intf = data->isoc;
|
|
int i;
|
|
|
|
BT_DBG("Looking for Alt no :%d", alt);
|
|
|
|
if (!intf)
|
|
return NULL;
|
|
|
|
for (i = 0; i < intf->num_altsetting; i++) {
|
|
if (intf->altsetting[i].desc.bAlternateSetting == alt)
|
|
return &intf->altsetting[i];
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void btusb_work(struct work_struct *work)
|
|
{
|
|
struct btusb_data *data = container_of(work, struct btusb_data, work);
|
|
struct hci_dev *hdev = data->hdev;
|
|
int new_alts = 0;
|
|
int err;
|
|
|
|
if (data->sco_num > 0) {
|
|
if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
|
|
err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
|
|
if (err < 0) {
|
|
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
|
|
usb_kill_anchored_urbs(&data->isoc_anchor);
|
|
return;
|
|
}
|
|
|
|
set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
|
|
}
|
|
|
|
if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_CVSD) {
|
|
if (hdev->voice_setting & 0x0020) {
|
|
static const int alts[3] = { 2, 4, 5 };
|
|
|
|
new_alts = alts[data->sco_num - 1];
|
|
} else {
|
|
new_alts = data->sco_num;
|
|
}
|
|
} else if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_TRANSP) {
|
|
/* Bluetooth USB spec recommends alt 6 (63 bytes), but
|
|
* many adapters do not support it. Alt 1 appears to
|
|
* work for all adapters that do not have alt 6, and
|
|
* which work with WBS at all. Some devices prefer
|
|
* alt 3 (HCI payload >= 60 Bytes let air packet
|
|
* data satisfy 60 bytes), requiring
|
|
* MTU >= 3 (packets) * 25 (size) - 3 (headers) = 72
|
|
* see also Core spec 5, vol 4, B 2.1.1 & Table 2.1.
|
|
*/
|
|
if (btusb_find_altsetting(data, 6))
|
|
new_alts = 6;
|
|
else if (btusb_find_altsetting(data, 3) &&
|
|
hdev->sco_mtu >= 72 &&
|
|
test_bit(BTUSB_USE_ALT3_FOR_WBS, &data->flags))
|
|
new_alts = 3;
|
|
else
|
|
new_alts = 1;
|
|
}
|
|
|
|
if (btusb_switch_alt_setting(hdev, new_alts) < 0)
|
|
bt_dev_err(hdev, "set USB alt:(%d) failed!", new_alts);
|
|
} else {
|
|
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
|
|
usb_kill_anchored_urbs(&data->isoc_anchor);
|
|
|
|
__set_isoc_interface(hdev, 0);
|
|
if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
|
|
usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
|
|
}
|
|
}
|
|
|
|
static void btusb_waker(struct work_struct *work)
|
|
{
|
|
struct btusb_data *data = container_of(work, struct btusb_data, waker);
|
|
int err;
|
|
|
|
err = usb_autopm_get_interface(data->intf);
|
|
if (err < 0)
|
|
return;
|
|
|
|
usb_autopm_put_interface(data->intf);
|
|
}
|
|
|
|
static void btusb_rx_work(struct work_struct *work)
|
|
{
|
|
struct btusb_data *data = container_of(work, struct btusb_data,
|
|
rx_work.work);
|
|
struct sk_buff *skb;
|
|
|
|
/* Dequeue ACL data received during the interval */
|
|
while ((skb = skb_dequeue(&data->acl_q)))
|
|
data->recv_acl(data->hdev, skb);
|
|
}
|
|
|
|
static int btusb_setup_bcm92035(struct hci_dev *hdev)
|
|
{
|
|
struct sk_buff *skb;
|
|
u8 val = 0x00;
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb))
|
|
bt_dev_err(hdev, "BCM92035 command failed (%ld)", PTR_ERR(skb));
|
|
else
|
|
kfree_skb(skb);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int btusb_setup_csr(struct hci_dev *hdev)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
u16 bcdDevice = le16_to_cpu(data->udev->descriptor.bcdDevice);
|
|
struct hci_rp_read_local_version *rp;
|
|
struct sk_buff *skb;
|
|
bool is_fake = false;
|
|
int ret;
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
|
|
HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
int err = PTR_ERR(skb);
|
|
bt_dev_err(hdev, "CSR: Local version failed (%d)", err);
|
|
return err;
|
|
}
|
|
|
|
if (skb->len != sizeof(struct hci_rp_read_local_version)) {
|
|
bt_dev_err(hdev, "CSR: Local version length mismatch");
|
|
kfree_skb(skb);
|
|
return -EIO;
|
|
}
|
|
|
|
rp = (struct hci_rp_read_local_version *)skb->data;
|
|
|
|
/* Detect a wide host of Chinese controllers that aren't CSR.
|
|
*
|
|
* Known fake bcdDevices: 0x0100, 0x0134, 0x1915, 0x2520, 0x7558, 0x8891
|
|
*
|
|
* The main thing they have in common is that these are really popular low-cost
|
|
* options that support newer Bluetooth versions but rely on heavy VID/PID
|
|
* squatting of this poor old Bluetooth 1.1 device. Even sold as such.
|
|
*
|
|
* We detect actual CSR devices by checking that the HCI manufacturer code
|
|
* is Cambridge Silicon Radio (10) and ensuring that LMP sub-version and
|
|
* HCI rev values always match. As they both store the firmware number.
|
|
*/
|
|
if (le16_to_cpu(rp->manufacturer) != 10 ||
|
|
le16_to_cpu(rp->hci_rev) != le16_to_cpu(rp->lmp_subver))
|
|
is_fake = true;
|
|
|
|
/* Known legit CSR firmware build numbers and their supported BT versions:
|
|
* - 1.1 (0x1) -> 0x0073, 0x020d, 0x033c, 0x034e
|
|
* - 1.2 (0x2) -> 0x04d9, 0x0529
|
|
* - 2.0 (0x3) -> 0x07a6, 0x07ad, 0x0c5c
|
|
* - 2.1 (0x4) -> 0x149c, 0x1735, 0x1899 (0x1899 is a BlueCore4-External)
|
|
* - 4.0 (0x6) -> 0x1d86, 0x2031, 0x22bb
|
|
*
|
|
* e.g. Real CSR dongles with LMP subversion 0x73 are old enough that
|
|
* support BT 1.1 only; so it's a dead giveaway when some
|
|
* third-party BT 4.0 dongle reuses it.
|
|
*/
|
|
else if (le16_to_cpu(rp->lmp_subver) <= 0x034e &&
|
|
le16_to_cpu(rp->hci_ver) > BLUETOOTH_VER_1_1)
|
|
is_fake = true;
|
|
|
|
else if (le16_to_cpu(rp->lmp_subver) <= 0x0529 &&
|
|
le16_to_cpu(rp->hci_ver) > BLUETOOTH_VER_1_2)
|
|
is_fake = true;
|
|
|
|
else if (le16_to_cpu(rp->lmp_subver) <= 0x0c5c &&
|
|
le16_to_cpu(rp->hci_ver) > BLUETOOTH_VER_2_0)
|
|
is_fake = true;
|
|
|
|
else if (le16_to_cpu(rp->lmp_subver) <= 0x1899 &&
|
|
le16_to_cpu(rp->hci_ver) > BLUETOOTH_VER_2_1)
|
|
is_fake = true;
|
|
|
|
else if (le16_to_cpu(rp->lmp_subver) <= 0x22bb &&
|
|
le16_to_cpu(rp->hci_ver) > BLUETOOTH_VER_4_0)
|
|
is_fake = true;
|
|
|
|
/* Other clones which beat all the above checks */
|
|
else if (bcdDevice == 0x0134 &&
|
|
le16_to_cpu(rp->lmp_subver) == 0x0c5c &&
|
|
le16_to_cpu(rp->hci_ver) == BLUETOOTH_VER_2_0)
|
|
is_fake = true;
|
|
|
|
if (is_fake) {
|
|
bt_dev_warn(hdev, "CSR: Unbranded CSR clone detected; adding workarounds and force-suspending once...");
|
|
|
|
/* Generally these clones have big discrepancies between
|
|
* advertised features and what's actually supported.
|
|
* Probably will need to be expanded in the future;
|
|
* without these the controller will lock up.
|
|
*/
|
|
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);
|
|
|
|
/*
|
|
* Special workaround for these BT 4.0 chip clones, and potentially more:
|
|
*
|
|
* - 0x0134: a Barrot 8041a02 (HCI rev: 0x1012 sub: 0x0810)
|
|
* - 0x7558: IC markings FR3191AHAL 749H15143 (HCI rev/sub-version: 0x0709)
|
|
*
|
|
* These controllers are really messed-up.
|
|
*
|
|
* 1. Their bulk RX endpoint will never report any data unless
|
|
* the device was suspended at least once (yes, really).
|
|
* 2. They will not wakeup when autosuspended and receiving data
|
|
* on their bulk RX endpoint from e.g. a keyboard or mouse
|
|
* (IOW remote-wakeup support is broken for the bulk endpoint).
|
|
*
|
|
* To fix 1. enable runtime-suspend, force-suspend the
|
|
* HCI and then wake-it up by disabling runtime-suspend.
|
|
*
|
|
* To fix 2. clear the HCI's can_wake flag, this way the HCI
|
|
* will still be autosuspended when it is not open.
|
|
*
|
|
* --
|
|
*
|
|
* Because these are widespread problems we prefer generic solutions; so
|
|
* apply this initialization quirk to every controller that gets here,
|
|
* it should be harmless. The alternative is to not work at all.
|
|
*/
|
|
pm_runtime_allow(&data->udev->dev);
|
|
|
|
ret = pm_runtime_suspend(&data->udev->dev);
|
|
if (ret >= 0)
|
|
msleep(200);
|
|
else
|
|
bt_dev_err(hdev, "CSR: Failed to suspend the device for our Barrot 8041a02 receive-issue workaround");
|
|
|
|
pm_runtime_forbid(&data->udev->dev);
|
|
|
|
device_set_wakeup_capable(&data->udev->dev, false);
|
|
|
|
/* Re-enable autosuspend if this was requested */
|
|
if (enable_autosuspend)
|
|
usb_enable_autosuspend(data->udev);
|
|
}
|
|
|
|
kfree_skb(skb);
|
|
|
|
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)
|
|
{
|
|
struct hci_dev *hdev = data->hdev;
|
|
|
|
/* When the device is in bootloader mode, then it can send
|
|
* events via the bulk endpoint. These events are treated the
|
|
* same way as the ones received from the interrupt endpoint.
|
|
*/
|
|
if (btintel_test_flag(hdev, INTEL_BOOTLOADER))
|
|
return btusb_recv_intr(data, buffer, count);
|
|
|
|
return btusb_recv_bulk(data, buffer, count);
|
|
}
|
|
|
|
static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
if (btintel_test_flag(hdev, INTEL_BOOTLOADER)) {
|
|
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.
|
|
*/
|
|
btintel_bootup(hdev, 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.
|
|
*/
|
|
btintel_secure_send_result(hdev, ptr, len);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return hci_recv_frame(hdev, skb);
|
|
}
|
|
|
|
static int btusb_send_frame_intel(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:
|
|
if (btintel_test_flag(hdev, INTEL_BOOTLOADER)) {
|
|
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;
|
|
}
|
|
|
|
/* UHW CR mapping */
|
|
#define MTK_BT_MISC 0x70002510
|
|
#define MTK_BT_SUBSYS_RST 0x70002610
|
|
#define MTK_UDMA_INT_STA_BT 0x74000024
|
|
#define MTK_UDMA_INT_STA_BT1 0x74000308
|
|
#define MTK_BT_WDT_STATUS 0x740003A0
|
|
#define MTK_EP_RST_OPT 0x74011890
|
|
#define MTK_EP_RST_IN_OUT_OPT 0x00010001
|
|
#define MTK_BT_RST_DONE 0x00000100
|
|
#define MTK_BT_RESET_WAIT_MS 100
|
|
#define MTK_BT_RESET_NUM_TRIES 10
|
|
|
|
static void btusb_mtk_wmt_recv(struct urb *urb)
|
|
{
|
|
struct hci_dev *hdev = urb->context;
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
struct sk_buff *skb;
|
|
int err;
|
|
|
|
if (urb->status == 0 && urb->actual_length > 0) {
|
|
hdev->stat.byte_rx += urb->actual_length;
|
|
|
|
/* WMT event shouldn't be fragmented and the size should be
|
|
* less than HCI_WMT_MAX_EVENT_SIZE.
|
|
*/
|
|
skb = bt_skb_alloc(HCI_WMT_MAX_EVENT_SIZE, GFP_ATOMIC);
|
|
if (!skb) {
|
|
hdev->stat.err_rx++;
|
|
kfree(urb->setup_packet);
|
|
return;
|
|
}
|
|
|
|
hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
|
|
skb_put_data(skb, urb->transfer_buffer, urb->actual_length);
|
|
|
|
/* When someone waits for the WMT event, the skb is being cloned
|
|
* and being processed the events from there then.
|
|
*/
|
|
if (test_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags)) {
|
|
data->evt_skb = skb_clone(skb, GFP_ATOMIC);
|
|
if (!data->evt_skb) {
|
|
kfree_skb(skb);
|
|
kfree(urb->setup_packet);
|
|
return;
|
|
}
|
|
}
|
|
|
|
err = hci_recv_frame(hdev, skb);
|
|
if (err < 0) {
|
|
kfree_skb(data->evt_skb);
|
|
data->evt_skb = NULL;
|
|
kfree(urb->setup_packet);
|
|
return;
|
|
}
|
|
|
|
if (test_and_clear_bit(BTUSB_TX_WAIT_VND_EVT,
|
|
&data->flags)) {
|
|
/* Barrier to sync with other CPUs */
|
|
smp_mb__after_atomic();
|
|
wake_up_bit(&data->flags,
|
|
BTUSB_TX_WAIT_VND_EVT);
|
|
}
|
|
kfree(urb->setup_packet);
|
|
return;
|
|
} else if (urb->status == -ENOENT) {
|
|
/* Avoid suspend failed when usb_kill_urb */
|
|
return;
|
|
}
|
|
|
|
usb_mark_last_busy(data->udev);
|
|
|
|
/* The URB complete handler is still called with urb->actual_length = 0
|
|
* when the event is not available, so we should keep re-submitting
|
|
* URB until WMT event returns, Also, It's necessary to wait some time
|
|
* between the two consecutive control URBs to relax the target device
|
|
* to generate the event. Otherwise, the WMT event cannot return from
|
|
* the device successfully.
|
|
*/
|
|
udelay(500);
|
|
|
|
usb_anchor_urb(urb, &data->ctrl_anchor);
|
|
err = usb_submit_urb(urb, GFP_ATOMIC);
|
|
if (err < 0) {
|
|
kfree(urb->setup_packet);
|
|
/* -EPERM: urb is being killed;
|
|
* -ENODEV: device got disconnected
|
|
*/
|
|
if (err != -EPERM && err != -ENODEV)
|
|
bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
|
|
urb, -err);
|
|
usb_unanchor_urb(urb);
|
|
}
|
|
}
|
|
|
|
static int btusb_mtk_submit_wmt_recv_urb(struct hci_dev *hdev)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
struct usb_ctrlrequest *dr;
|
|
unsigned char *buf;
|
|
int err, size = 64;
|
|
unsigned int pipe;
|
|
struct urb *urb;
|
|
|
|
urb = usb_alloc_urb(0, GFP_KERNEL);
|
|
if (!urb)
|
|
return -ENOMEM;
|
|
|
|
dr = kmalloc(sizeof(*dr), GFP_KERNEL);
|
|
if (!dr) {
|
|
usb_free_urb(urb);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_IN;
|
|
dr->bRequest = 1;
|
|
dr->wIndex = cpu_to_le16(0);
|
|
dr->wValue = cpu_to_le16(48);
|
|
dr->wLength = cpu_to_le16(size);
|
|
|
|
buf = kmalloc(size, GFP_KERNEL);
|
|
if (!buf) {
|
|
kfree(dr);
|
|
usb_free_urb(urb);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
pipe = usb_rcvctrlpipe(data->udev, 0);
|
|
|
|
usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
|
|
buf, size, btusb_mtk_wmt_recv, hdev);
|
|
|
|
urb->transfer_flags |= URB_FREE_BUFFER;
|
|
|
|
usb_anchor_urb(urb, &data->ctrl_anchor);
|
|
err = usb_submit_urb(urb, GFP_KERNEL);
|
|
if (err < 0) {
|
|
if (err != -EPERM && err != -ENODEV)
|
|
bt_dev_err(hdev, "urb %p submission failed (%d)",
|
|
urb, -err);
|
|
usb_unanchor_urb(urb);
|
|
}
|
|
|
|
usb_free_urb(urb);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int btusb_mtk_hci_wmt_sync(struct hci_dev *hdev,
|
|
struct btmtk_hci_wmt_params *wmt_params)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
struct btmtk_hci_wmt_evt_funcc *wmt_evt_funcc;
|
|
u32 hlen, status = BTMTK_WMT_INVALID;
|
|
struct btmtk_hci_wmt_evt *wmt_evt;
|
|
struct btmtk_hci_wmt_cmd *wc;
|
|
struct btmtk_wmt_hdr *hdr;
|
|
int err;
|
|
|
|
/* Send the WMT command and wait until the WMT event returns */
|
|
hlen = sizeof(*hdr) + wmt_params->dlen;
|
|
if (hlen > 255)
|
|
return -EINVAL;
|
|
|
|
wc = kzalloc(hlen, GFP_KERNEL);
|
|
if (!wc)
|
|
return -ENOMEM;
|
|
|
|
hdr = &wc->hdr;
|
|
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);
|
|
goto err_free_wc;
|
|
}
|
|
|
|
/* Submit control IN URB on demand to process the WMT event */
|
|
err = btusb_mtk_submit_wmt_recv_urb(hdev);
|
|
if (err < 0)
|
|
goto err_free_wc;
|
|
|
|
/* 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);
|
|
goto err_free_wc;
|
|
}
|
|
|
|
if (err) {
|
|
bt_dev_err(hdev, "Execution of wmt command timed out");
|
|
clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
|
|
err = -ETIMEDOUT;
|
|
goto err_free_wc;
|
|
}
|
|
|
|
/* 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;
|
|
case BTMTK_WMT_PATCH_DWNLD:
|
|
if (wmt_evt->whdr.flag == 2)
|
|
status = BTMTK_WMT_PATCH_DONE;
|
|
else if (wmt_evt->whdr.flag == 1)
|
|
status = BTMTK_WMT_PATCH_PROGRESS;
|
|
else
|
|
status = BTMTK_WMT_PATCH_UNDONE;
|
|
break;
|
|
}
|
|
|
|
if (wmt_params->status)
|
|
*wmt_params->status = status;
|
|
|
|
err_free_skb:
|
|
kfree_skb(data->evt_skb);
|
|
data->evt_skb = NULL;
|
|
err_free_wc:
|
|
kfree(wc);
|
|
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_uhw_reg_write(struct btusb_data *data, u32 reg, u32 val)
|
|
{
|
|
struct hci_dev *hdev = data->hdev;
|
|
int pipe, err;
|
|
void *buf;
|
|
|
|
buf = kzalloc(4, GFP_KERNEL);
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
|
|
put_unaligned_le32(val, buf);
|
|
|
|
pipe = usb_sndctrlpipe(data->udev, 0);
|
|
err = usb_control_msg(data->udev, pipe, 0x02,
|
|
0x5E,
|
|
reg >> 16, reg & 0xffff,
|
|
buf, 4, USB_CTRL_SET_TIMEOUT);
|
|
if (err < 0) {
|
|
bt_dev_err(hdev, "Failed to write uhw reg(%d)", err);
|
|
goto err_free_buf;
|
|
}
|
|
|
|
err_free_buf:
|
|
kfree(buf);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int btusb_mtk_uhw_reg_read(struct btusb_data *data, u32 reg, u32 *val)
|
|
{
|
|
struct hci_dev *hdev = data->hdev;
|
|
int pipe, err;
|
|
void *buf;
|
|
|
|
buf = kzalloc(4, GFP_KERNEL);
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
|
|
pipe = usb_rcvctrlpipe(data->udev, 0);
|
|
err = usb_control_msg(data->udev, pipe, 0x01,
|
|
0xDE,
|
|
reg >> 16, reg & 0xffff,
|
|
buf, 4, USB_CTRL_SET_TIMEOUT);
|
|
if (err < 0) {
|
|
bt_dev_err(hdev, "Failed to read uhw reg(%d)", err);
|
|
goto err_free_buf;
|
|
}
|
|
|
|
*val = get_unaligned_le32(buf);
|
|
bt_dev_dbg(hdev, "reg=%x, value=0x%08x", reg, *val);
|
|
|
|
err_free_buf:
|
|
kfree(buf);
|
|
|
|
return err;
|
|
}
|
|
|
|
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 reg, u32 *id)
|
|
{
|
|
return btusb_mtk_reg_read(data, reg, 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;
|
|
char fw_bin_name[64];
|
|
u32 fw_version = 0;
|
|
u8 param;
|
|
|
|
calltime = ktime_get();
|
|
|
|
err = btusb_mtk_id_get(data, 0x80000008, &dev_id);
|
|
if (err < 0) {
|
|
bt_dev_err(hdev, "Failed to get device id (%d)", err);
|
|
return err;
|
|
}
|
|
|
|
if (!dev_id) {
|
|
err = btusb_mtk_id_get(data, 0x70010200, &dev_id);
|
|
if (err < 0) {
|
|
bt_dev_err(hdev, "Failed to get device id (%d)", err);
|
|
return err;
|
|
}
|
|
err = btusb_mtk_id_get(data, 0x80021004, &fw_version);
|
|
if (err < 0) {
|
|
bt_dev_err(hdev, "Failed to get fw version (%d)", err);
|
|
return err;
|
|
}
|
|
}
|
|
|
|
switch (dev_id) {
|
|
case 0x7663:
|
|
fwname = FIRMWARE_MT7663;
|
|
break;
|
|
case 0x7668:
|
|
fwname = FIRMWARE_MT7668;
|
|
break;
|
|
case 0x7922:
|
|
case 0x7961:
|
|
snprintf(fw_bin_name, sizeof(fw_bin_name),
|
|
"mediatek/BT_RAM_CODE_MT%04x_1_%x_hdr.bin",
|
|
dev_id & 0xffff, (fw_version & 0xff) + 1);
|
|
err = btmtk_setup_firmware_79xx(hdev, fw_bin_name,
|
|
btusb_mtk_hci_wmt_sync);
|
|
if (err < 0) {
|
|
bt_dev_err(hdev, "Failed to set up firmware (%d)", err);
|
|
return err;
|
|
}
|
|
|
|
/* It's Device EndPoint Reset Option Register */
|
|
btusb_mtk_uhw_reg_write(data, MTK_EP_RST_OPT, MTK_EP_RST_IN_OUT_OPT);
|
|
|
|
/* 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;
|
|
}
|
|
|
|
hci_set_msft_opcode(hdev, 0xFD30);
|
|
hci_set_aosp_capable(hdev);
|
|
goto done;
|
|
default:
|
|
bt_dev_err(hdev, "Unsupported 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 = btmtk_setup_firmware(hdev, fwname,
|
|
btusb_mtk_hci_wmt_sync);
|
|
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);
|
|
|
|
done:
|
|
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;
|
|
}
|
|
|
|
static void btusb_mtk_cmd_timeout(struct hci_dev *hdev)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
u32 val;
|
|
int err, retry = 0;
|
|
|
|
/* It's MediaTek specific bluetooth reset mechanism via USB */
|
|
if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) {
|
|
bt_dev_err(hdev, "last reset failed? Not resetting again");
|
|
return;
|
|
}
|
|
|
|
err = usb_autopm_get_interface(data->intf);
|
|
if (err < 0)
|
|
return;
|
|
|
|
btusb_stop_traffic(data);
|
|
usb_kill_anchored_urbs(&data->tx_anchor);
|
|
|
|
/* It's Device EndPoint Reset Option Register */
|
|
bt_dev_dbg(hdev, "Initiating reset mechanism via uhw");
|
|
btusb_mtk_uhw_reg_write(data, MTK_EP_RST_OPT, MTK_EP_RST_IN_OUT_OPT);
|
|
btusb_mtk_uhw_reg_read(data, MTK_BT_WDT_STATUS, &val);
|
|
|
|
/* Reset the bluetooth chip via USB interface. */
|
|
btusb_mtk_uhw_reg_write(data, MTK_BT_SUBSYS_RST, 1);
|
|
btusb_mtk_uhw_reg_write(data, MTK_UDMA_INT_STA_BT, 0x000000FF);
|
|
btusb_mtk_uhw_reg_read(data, MTK_UDMA_INT_STA_BT, &val);
|
|
btusb_mtk_uhw_reg_write(data, MTK_UDMA_INT_STA_BT1, 0x000000FF);
|
|
btusb_mtk_uhw_reg_read(data, MTK_UDMA_INT_STA_BT1, &val);
|
|
/* MT7921 need to delay 20ms between toggle reset bit */
|
|
msleep(20);
|
|
btusb_mtk_uhw_reg_write(data, MTK_BT_SUBSYS_RST, 0);
|
|
btusb_mtk_uhw_reg_read(data, MTK_BT_SUBSYS_RST, &val);
|
|
|
|
/* Poll the register until reset is completed */
|
|
do {
|
|
btusb_mtk_uhw_reg_read(data, MTK_BT_MISC, &val);
|
|
if (val & MTK_BT_RST_DONE) {
|
|
bt_dev_dbg(hdev, "Bluetooth Reset Successfully");
|
|
break;
|
|
}
|
|
|
|
bt_dev_dbg(hdev, "Polling Bluetooth Reset CR");
|
|
retry++;
|
|
msleep(MTK_BT_RESET_WAIT_MS);
|
|
} while (retry < MTK_BT_RESET_NUM_TRIES);
|
|
|
|
btusb_mtk_id_get(data, 0x70010200, &val);
|
|
if (!val)
|
|
bt_dev_err(hdev, "Can't get device id, subsys reset fail.");
|
|
|
|
usb_queue_reset_device(data->intf);
|
|
|
|
clear_bit(BTUSB_HW_RESET_ACTIVE, &data->flags);
|
|
}
|
|
|
|
static int btusb_recv_acl_mtk(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
u16 handle = le16_to_cpu(hci_acl_hdr(skb)->handle);
|
|
|
|
switch (handle) {
|
|
case 0xfc6f: /* Firmware dump from device */
|
|
/* When the firmware hangs, the device can no longer
|
|
* suspend and thus disable auto-suspend.
|
|
*/
|
|
usb_disable_autosuspend(data->udev);
|
|
fallthrough;
|
|
case 0x05ff: /* Firmware debug logging 1 */
|
|
case 0x05fe: /* Firmware debug logging 2 */
|
|
return hci_recv_diag(hdev, skb);
|
|
}
|
|
|
|
return hci_recv_frame(hdev, skb);
|
|
}
|
|
|
|
#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", __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", __func__);
|
|
kfree_skb(skb);
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static int btusb_set_bdaddr_marvell(struct hci_dev *hdev,
|
|
const bdaddr_t *bdaddr)
|
|
{
|
|
struct sk_buff *skb;
|
|
u8 buf[8];
|
|
long ret;
|
|
|
|
buf[0] = 0xfe;
|
|
buf[1] = sizeof(bdaddr_t);
|
|
memcpy(buf + 2, bdaddr, sizeof(bdaddr_t));
|
|
|
|
skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
ret = PTR_ERR(skb);
|
|
bt_dev_err(hdev, "changing Marvell device address failed (%ld)",
|
|
ret);
|
|
return ret;
|
|
}
|
|
kfree_skb(skb);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev,
|
|
const bdaddr_t *bdaddr)
|
|
{
|
|
struct sk_buff *skb;
|
|
u8 buf[10];
|
|
long ret;
|
|
|
|
buf[0] = 0x01;
|
|
buf[1] = 0x01;
|
|
buf[2] = 0x00;
|
|
buf[3] = sizeof(bdaddr_t);
|
|
memcpy(buf + 4, bdaddr, sizeof(bdaddr_t));
|
|
|
|
skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
ret = PTR_ERR(skb);
|
|
bt_dev_err(hdev, "Change address command failed (%ld)", ret);
|
|
return ret;
|
|
}
|
|
kfree_skb(skb);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev,
|
|
const bdaddr_t *bdaddr)
|
|
{
|
|
struct sk_buff *skb;
|
|
u8 buf[6];
|
|
long ret;
|
|
|
|
memcpy(buf, bdaddr, sizeof(bdaddr_t));
|
|
|
|
skb = __hci_cmd_sync_ev(hdev, 0xfc14, sizeof(buf), buf,
|
|
HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
ret = PTR_ERR(skb);
|
|
bt_dev_err(hdev, "Change address command failed (%ld)", ret);
|
|
return ret;
|
|
}
|
|
kfree_skb(skb);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define QCA_DFU_PACKET_LEN 4096
|
|
|
|
#define QCA_GET_TARGET_VERSION 0x09
|
|
#define QCA_CHECK_STATUS 0x05
|
|
#define QCA_DFU_DOWNLOAD 0x01
|
|
|
|
#define QCA_SYSCFG_UPDATED 0x40
|
|
#define QCA_PATCH_UPDATED 0x80
|
|
#define QCA_DFU_TIMEOUT 3000
|
|
#define QCA_FLAG_MULTI_NVM 0x80
|
|
#define QCA_BT_RESET_WAIT_MS 100
|
|
|
|
#define WCN6855_2_0_RAM_VERSION_GF 0x400c1200
|
|
#define WCN6855_2_1_RAM_VERSION_GF 0x400c1211
|
|
|
|
struct qca_version {
|
|
__le32 rom_version;
|
|
__le32 patch_version;
|
|
__le32 ram_version;
|
|
__u8 chip_id;
|
|
__u8 platform_id;
|
|
__le16 flag;
|
|
__u8 reserved[4];
|
|
} __packed;
|
|
|
|
struct qca_rampatch_version {
|
|
__le16 rom_version_high;
|
|
__le16 rom_version_low;
|
|
__le16 patch_version;
|
|
} __packed;
|
|
|
|
struct qca_device_info {
|
|
u32 rom_version;
|
|
u8 rampatch_hdr; /* length of header in rampatch */
|
|
u8 nvm_hdr; /* length of header in NVM */
|
|
u8 ver_offset; /* offset of version structure in rampatch */
|
|
};
|
|
|
|
static const struct qca_device_info qca_devices_table[] = {
|
|
{ 0x00000100, 20, 4, 8 }, /* Rome 1.0 */
|
|
{ 0x00000101, 20, 4, 8 }, /* Rome 1.1 */
|
|
{ 0x00000200, 28, 4, 16 }, /* Rome 2.0 */
|
|
{ 0x00000201, 28, 4, 16 }, /* Rome 2.1 */
|
|
{ 0x00000300, 28, 4, 16 }, /* Rome 3.0 */
|
|
{ 0x00000302, 28, 4, 16 }, /* Rome 3.2 */
|
|
{ 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */
|
|
{ 0x00130200, 40, 4, 16 }, /* WCN6855 2.0 */
|
|
{ 0x00130201, 40, 4, 16 }, /* WCN6855 2.1 */
|
|
};
|
|
|
|
static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request,
|
|
void *data, u16 size)
|
|
{
|
|
int pipe, err;
|
|
u8 *buf;
|
|
|
|
buf = kmalloc(size, GFP_KERNEL);
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
|
|
/* Found some of USB hosts have IOT issues with ours so that we should
|
|
* not wait until HCI layer is ready.
|
|
*/
|
|
pipe = usb_rcvctrlpipe(udev, 0);
|
|
err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN,
|
|
0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
|
|
if (err < 0) {
|
|
dev_err(&udev->dev, "Failed to access otp area (%d)", err);
|
|
goto done;
|
|
}
|
|
|
|
memcpy(data, buf, size);
|
|
|
|
done:
|
|
kfree(buf);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int btusb_setup_qca_download_fw(struct hci_dev *hdev,
|
|
const struct firmware *firmware,
|
|
size_t hdr_size)
|
|
{
|
|
struct btusb_data *btdata = hci_get_drvdata(hdev);
|
|
struct usb_device *udev = btdata->udev;
|
|
size_t count, size, sent = 0;
|
|
int pipe, len, err;
|
|
u8 *buf;
|
|
|
|
buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL);
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
|
|
count = firmware->size;
|
|
|
|
size = min_t(size_t, count, hdr_size);
|
|
memcpy(buf, firmware->data, size);
|
|
|
|
/* USB patches should go down to controller through USB path
|
|
* because binary format fits to go down through USB channel.
|
|
* USB control path is for patching headers and USB bulk is for
|
|
* patch body.
|
|
*/
|
|
pipe = usb_sndctrlpipe(udev, 0);
|
|
err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR,
|
|
0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
|
|
if (err < 0) {
|
|
bt_dev_err(hdev, "Failed to send headers (%d)", err);
|
|
goto done;
|
|
}
|
|
|
|
sent += size;
|
|
count -= size;
|
|
|
|
/* ep2 need time to switch from function acl to function dfu,
|
|
* so we add 20ms delay here.
|
|
*/
|
|
msleep(20);
|
|
|
|
while (count) {
|
|
size = min_t(size_t, count, QCA_DFU_PACKET_LEN);
|
|
|
|
memcpy(buf, firmware->data + sent, size);
|
|
|
|
pipe = usb_sndbulkpipe(udev, 0x02);
|
|
err = usb_bulk_msg(udev, pipe, buf, size, &len,
|
|
QCA_DFU_TIMEOUT);
|
|
if (err < 0) {
|
|
bt_dev_err(hdev, "Failed to send body at %zd of %zd (%d)",
|
|
sent, firmware->size, err);
|
|
break;
|
|
}
|
|
|
|
if (size != len) {
|
|
bt_dev_err(hdev, "Failed to get bulk buffer");
|
|
err = -EILSEQ;
|
|
break;
|
|
}
|
|
|
|
sent += size;
|
|
count -= size;
|
|
}
|
|
|
|
done:
|
|
kfree(buf);
|
|
return err;
|
|
}
|
|
|
|
static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
|
|
struct qca_version *ver,
|
|
const struct qca_device_info *info)
|
|
{
|
|
struct qca_rampatch_version *rver;
|
|
const struct firmware *fw;
|
|
u32 ver_rom, ver_patch, rver_rom;
|
|
u16 rver_rom_low, rver_rom_high, rver_patch;
|
|
char fwname[64];
|
|
int err;
|
|
|
|
ver_rom = le32_to_cpu(ver->rom_version);
|
|
ver_patch = le32_to_cpu(ver->patch_version);
|
|
|
|
snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom);
|
|
|
|
err = request_firmware(&fw, fwname, &hdev->dev);
|
|
if (err) {
|
|
bt_dev_err(hdev, "failed to request rampatch file: %s (%d)",
|
|
fwname, err);
|
|
return err;
|
|
}
|
|
|
|
bt_dev_info(hdev, "using rampatch file: %s", fwname);
|
|
|
|
rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset);
|
|
rver_rom_low = le16_to_cpu(rver->rom_version_low);
|
|
rver_patch = le16_to_cpu(rver->patch_version);
|
|
|
|
if (ver_rom & ~0xffffU) {
|
|
rver_rom_high = le16_to_cpu(rver->rom_version_high);
|
|
rver_rom = le32_to_cpu(rver_rom_high << 16 | rver_rom_low);
|
|
} else {
|
|
rver_rom = rver_rom_low;
|
|
}
|
|
|
|
bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, "
|
|
"firmware rome 0x%x build 0x%x",
|
|
rver_rom, rver_patch, ver_rom, ver_patch);
|
|
|
|
if (rver_rom != ver_rom || rver_patch <= ver_patch) {
|
|
bt_dev_err(hdev, "rampatch file version did not match with firmware");
|
|
err = -EINVAL;
|
|
goto done;
|
|
}
|
|
|
|
err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr);
|
|
|
|
done:
|
|
release_firmware(fw);
|
|
|
|
return err;
|
|
}
|
|
|
|
static void btusb_generate_qca_nvm_name(char *fwname, size_t max_size,
|
|
const struct qca_version *ver)
|
|
{
|
|
u32 rom_version = le32_to_cpu(ver->rom_version);
|
|
u16 flag = le16_to_cpu(ver->flag);
|
|
|
|
if (((flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) {
|
|
/* The board_id should be split into two bytes
|
|
* The 1st byte is chip ID, and the 2nd byte is platform ID
|
|
* For example, board ID 0x010A, 0x01 is platform ID. 0x0A is chip ID
|
|
* we have several platforms, and platform IDs are continuously added
|
|
* Platform ID:
|
|
* 0x00 is for Mobile
|
|
* 0x01 is for X86
|
|
* 0x02 is for Automotive
|
|
* 0x03 is for Consumer electronic
|
|
*/
|
|
u16 board_id = (ver->chip_id << 8) + ver->platform_id;
|
|
const char *variant;
|
|
|
|
switch (le32_to_cpu(ver->ram_version)) {
|
|
case WCN6855_2_0_RAM_VERSION_GF:
|
|
case WCN6855_2_1_RAM_VERSION_GF:
|
|
variant = "_gf";
|
|
break;
|
|
default:
|
|
variant = "";
|
|
break;
|
|
}
|
|
|
|
if (board_id == 0) {
|
|
snprintf(fwname, max_size, "qca/nvm_usb_%08x%s.bin",
|
|
rom_version, variant);
|
|
} else {
|
|
snprintf(fwname, max_size, "qca/nvm_usb_%08x%s_%04x.bin",
|
|
rom_version, variant, board_id);
|
|
}
|
|
} else {
|
|
snprintf(fwname, max_size, "qca/nvm_usb_%08x.bin",
|
|
rom_version);
|
|
}
|
|
|
|
}
|
|
|
|
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;
|
|
|
|
btusb_generate_qca_nvm_name(fwname, sizeof(fwname), ver);
|
|
|
|
err = request_firmware(&fw, fwname, &hdev->dev);
|
|
if (err) {
|
|
bt_dev_err(hdev, "failed to request NVM file: %s (%d)",
|
|
fwname, err);
|
|
return err;
|
|
}
|
|
|
|
bt_dev_info(hdev, "using NVM file: %s", fwname);
|
|
|
|
err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr);
|
|
|
|
release_firmware(fw);
|
|
|
|
return err;
|
|
}
|
|
|
|
/* identify the ROM version and check whether patches are needed */
|
|
static bool btusb_qca_need_patch(struct usb_device *udev)
|
|
{
|
|
struct qca_version ver;
|
|
|
|
if (btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
|
|
sizeof(ver)) < 0)
|
|
return false;
|
|
/* only low ROM versions need patches */
|
|
return !(le32_to_cpu(ver.rom_version) & ~0xffffU);
|
|
}
|
|
|
|
static int btusb_setup_qca(struct hci_dev *hdev)
|
|
{
|
|
struct btusb_data *btdata = hci_get_drvdata(hdev);
|
|
struct usb_device *udev = btdata->udev;
|
|
const struct qca_device_info *info = NULL;
|
|
struct qca_version ver;
|
|
u32 ver_rom;
|
|
u8 status;
|
|
int i, err;
|
|
|
|
err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
|
|
sizeof(ver));
|
|
if (err < 0)
|
|
return err;
|
|
|
|
ver_rom = le32_to_cpu(ver.rom_version);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) {
|
|
if (ver_rom == qca_devices_table[i].rom_version)
|
|
info = &qca_devices_table[i];
|
|
}
|
|
if (!info) {
|
|
/* If the rom_version is not matched in the qca_devices_table
|
|
* and the high ROM version is not zero, we assume this chip no
|
|
* need to load the rampatch and nvm.
|
|
*/
|
|
if (ver_rom & ~0xffffU)
|
|
return 0;
|
|
|
|
bt_dev_err(hdev, "don't support firmware rome 0x%x", ver_rom);
|
|
return -ENODEV;
|
|
}
|
|
|
|
err = btusb_qca_send_vendor_req(udev, QCA_CHECK_STATUS, &status,
|
|
sizeof(status));
|
|
if (err < 0)
|
|
return err;
|
|
|
|
if (!(status & QCA_PATCH_UPDATED)) {
|
|
err = btusb_setup_qca_load_rampatch(hdev, &ver, info);
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
|
|
err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
|
|
sizeof(ver));
|
|
if (err < 0)
|
|
return err;
|
|
|
|
if (!(status & QCA_SYSCFG_UPDATED)) {
|
|
err = btusb_setup_qca_load_nvm(hdev, &ver, info);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
/* WCN6855 2.1 will reset to apply firmware downloaded here, so
|
|
* wait ~100ms for reset Done then go ahead, otherwise, it maybe
|
|
* cause potential enable failure.
|
|
*/
|
|
if (info->rom_version == 0x00130201)
|
|
msleep(QCA_BT_RESET_WAIT_MS);
|
|
}
|
|
|
|
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_wakeup(struct hci_dev *hdev)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
|
|
return device_may_wakeup(&data->udev->dev);
|
|
}
|
|
|
|
static int btusb_shutdown_qca(struct hci_dev *hdev)
|
|
{
|
|
struct sk_buff *skb;
|
|
|
|
skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
bt_dev_err(hdev, "HCI reset during shutdown failed");
|
|
return PTR_ERR(skb);
|
|
}
|
|
kfree_skb(skb);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static ssize_t force_poll_sync_read(struct file *file, char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct btusb_data *data = file->private_data;
|
|
char buf[3];
|
|
|
|
buf[0] = data->poll_sync ? 'Y' : 'N';
|
|
buf[1] = '\n';
|
|
buf[2] = '\0';
|
|
return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
|
|
}
|
|
|
|
static ssize_t force_poll_sync_write(struct file *file,
|
|
const char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct btusb_data *data = file->private_data;
|
|
bool enable;
|
|
int err;
|
|
|
|
err = kstrtobool_from_user(user_buf, count, &enable);
|
|
if (err)
|
|
return err;
|
|
|
|
/* Only allow changes while the adapter is down */
|
|
if (test_bit(HCI_UP, &data->hdev->flags))
|
|
return -EPERM;
|
|
|
|
if (data->poll_sync == enable)
|
|
return -EALREADY;
|
|
|
|
data->poll_sync = enable;
|
|
|
|
return count;
|
|
}
|
|
|
|
static const struct file_operations force_poll_sync_fops = {
|
|
.open = simple_open,
|
|
.read = force_poll_sync_read,
|
|
.write = force_poll_sync_write,
|
|
.llseek = default_llseek,
|
|
};
|
|
|
|
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, priv_size;
|
|
|
|
BT_DBG("intf %p id %p", intf, id);
|
|
|
|
/* interface numbers are hardcoded in the spec */
|
|
if (intf->cur_altsetting->desc.bInterfaceNumber != 0) {
|
|
if (!(id->driver_info & BTUSB_IFNUM_2))
|
|
return -ENODEV;
|
|
if (intf->cur_altsetting->desc.bInterfaceNumber != 2)
|
|
return -ENODEV;
|
|
}
|
|
|
|
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_DELAYED_WORK(&data->rx_work, btusb_rx_work);
|
|
|
|
skb_queue_head_init(&data->acl_q);
|
|
|
|
init_usb_anchor(&data->deferred);
|
|
init_usb_anchor(&data->tx_anchor);
|
|
spin_lock_init(&data->txlock);
|
|
|
|
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);
|
|
|
|
priv_size = 0;
|
|
|
|
data->recv_event = hci_recv_frame;
|
|
data->recv_bulk = btusb_recv_bulk;
|
|
|
|
if (id->driver_info & BTUSB_INTEL_COMBINED) {
|
|
/* Allocate extra space for Intel device */
|
|
priv_size += sizeof(struct btintel_data);
|
|
|
|
/* Override the rx handlers */
|
|
data->recv_event = btusb_recv_event_intel;
|
|
data->recv_bulk = btusb_recv_bulk_intel;
|
|
}
|
|
|
|
data->recv_acl = hci_recv_frame;
|
|
|
|
hdev = hci_alloc_dev_priv(priv_size);
|
|
if (!hdev)
|
|
return -ENOMEM;
|
|
|
|
hdev->bus = HCI_USB;
|
|
hci_set_drvdata(hdev, data);
|
|
|
|
if (id->driver_info & BTUSB_AMP)
|
|
hdev->dev_type = HCI_AMP;
|
|
else
|
|
hdev->dev_type = HCI_PRIMARY;
|
|
|
|
data->hdev = hdev;
|
|
|
|
SET_HCIDEV_DEV(hdev, &intf->dev);
|
|
|
|
reset_gpio = gpiod_get_optional(&data->udev->dev, "reset",
|
|
GPIOD_OUT_LOW);
|
|
if (IS_ERR(reset_gpio)) {
|
|
err = PTR_ERR(reset_gpio);
|
|
goto out_free_dev;
|
|
} else if (reset_gpio) {
|
|
data->reset_gpio = reset_gpio;
|
|
}
|
|
|
|
hdev->open = btusb_open;
|
|
hdev->close = btusb_close;
|
|
hdev->flush = btusb_flush;
|
|
hdev->send = btusb_send_frame;
|
|
hdev->notify = btusb_notify;
|
|
hdev->wakeup = btusb_wakeup;
|
|
|
|
#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);
|
|
}
|
|
|
|
/* Combined Intel Device setup to support multiple setup routine */
|
|
if (id->driver_info & BTUSB_INTEL_COMBINED) {
|
|
err = btintel_configure_setup(hdev);
|
|
if (err)
|
|
goto out_free_dev;
|
|
|
|
/* Transport specific configuration */
|
|
hdev->send = btusb_send_frame_intel;
|
|
hdev->cmd_timeout = btusb_intel_cmd_timeout;
|
|
|
|
if (id->driver_info & BTUSB_INTEL_NO_WBS_SUPPORT)
|
|
btintel_set_flag(hdev, INTEL_ROM_LEGACY_NO_WBS_SUPPORT);
|
|
|
|
if (id->driver_info & BTUSB_INTEL_BROKEN_INITIAL_NCMD)
|
|
btintel_set_flag(hdev, INTEL_BROKEN_INITIAL_NCMD);
|
|
|
|
if (id->driver_info & BTUSB_INTEL_BROKEN_SHUTDOWN_LED)
|
|
btintel_set_flag(hdev, INTEL_BROKEN_SHUTDOWN_LED);
|
|
}
|
|
|
|
if (id->driver_info & BTUSB_MARVELL)
|
|
hdev->set_bdaddr = btusb_set_bdaddr_marvell;
|
|
|
|
if (IS_ENABLED(CONFIG_BT_HCIBTUSB_MTK) &&
|
|
(id->driver_info & BTUSB_MEDIATEK)) {
|
|
hdev->setup = btusb_mtk_setup;
|
|
hdev->shutdown = btusb_mtk_shutdown;
|
|
hdev->manufacturer = 70;
|
|
hdev->cmd_timeout = btusb_mtk_cmd_timeout;
|
|
hdev->set_bdaddr = btmtk_set_bdaddr;
|
|
set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks);
|
|
data->recv_acl = btusb_recv_acl_mtk;
|
|
}
|
|
|
|
if (id->driver_info & BTUSB_SWAVE) {
|
|
set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks);
|
|
set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks);
|
|
}
|
|
|
|
if (id->driver_info & BTUSB_INTEL_BOOT) {
|
|
hdev->manufacturer = 2;
|
|
set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
|
|
}
|
|
|
|
if (id->driver_info & BTUSB_ATH3012) {
|
|
data->setup_on_usb = btusb_setup_qca;
|
|
hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
|
|
set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
|
|
set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
|
|
}
|
|
|
|
if (id->driver_info & BTUSB_QCA_ROME) {
|
|
data->setup_on_usb = btusb_setup_qca;
|
|
hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
|
|
hdev->cmd_timeout = btusb_qca_cmd_timeout;
|
|
set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
|
|
btusb_check_needs_reset_resume(intf);
|
|
}
|
|
|
|
if (id->driver_info & BTUSB_QCA_WCN6855) {
|
|
data->setup_on_usb = btusb_setup_qca;
|
|
hdev->shutdown = btusb_shutdown_qca;
|
|
hdev->set_bdaddr = btusb_set_bdaddr_wcn6855;
|
|
hdev->cmd_timeout = btusb_qca_cmd_timeout;
|
|
set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
|
|
hci_set_msft_opcode(hdev, 0xFD70);
|
|
}
|
|
|
|
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 need to set remote wakeup on auto-suspend */
|
|
set_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags);
|
|
set_bit(BTUSB_USE_ALT3_FOR_WBS, &data->flags);
|
|
}
|
|
|
|
if (!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);
|
|
|
|
debugfs_create_file("force_poll_sync", 0644, hdev->debugfs, data,
|
|
&force_poll_sync_fops);
|
|
|
|
return 0;
|
|
|
|
out_free_dev:
|
|
if (data->reset_gpio)
|
|
gpiod_put(data->reset_gpio);
|
|
hci_free_dev(hdev);
|
|
return err;
|
|
}
|
|
|
|
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_AUTOSUSPEND, &data->flags)) {
|
|
if (PMSG_IS_AUTO(message) &&
|
|
device_can_wakeup(&data->udev->dev))
|
|
data->udev->do_remote_wakeup = 1;
|
|
else if (!PMSG_IS_AUTO(message) &&
|
|
!device_may_wakeup(&data->udev->dev)) {
|
|
data->udev->do_remote_wakeup = 0;
|
|
data->udev->reset_resume = 1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void play_deferred(struct btusb_data *data)
|
|
{
|
|
struct urb *urb;
|
|
int err;
|
|
|
|
while ((urb = usb_get_from_anchor(&data->deferred))) {
|
|
usb_anchor_urb(urb, &data->tx_anchor);
|
|
|
|
err = usb_submit_urb(urb, GFP_ATOMIC);
|
|
if (err < 0) {
|
|
if (err != -EPERM && err != -ENODEV)
|
|
BT_ERR("%s urb %p submission failed (%d)",
|
|
data->hdev->name, urb, -err);
|
|
kfree(urb->setup_packet);
|
|
usb_unanchor_urb(urb);
|
|
usb_free_urb(urb);
|
|
break;
|
|
}
|
|
|
|
data->tx_in_flight++;
|
|
usb_free_urb(urb);
|
|
}
|
|
|
|
/* Cleanup the rest deferred urbs. */
|
|
while ((urb = usb_get_from_anchor(&data->deferred))) {
|
|
kfree(urb->setup_packet);
|
|
usb_free_urb(urb);
|
|
}
|
|
}
|
|
|
|
static int btusb_resume(struct usb_interface *intf)
|
|
{
|
|
struct btusb_data *data = usb_get_intfdata(intf);
|
|
struct hci_dev *hdev = data->hdev;
|
|
int err = 0;
|
|
|
|
BT_DBG("intf %p", intf);
|
|
|
|
if (--data->suspend_count)
|
|
return 0;
|
|
|
|
/* Disable only if not already disabled (keep it balanced) */
|
|
if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) {
|
|
disable_irq(data->oob_wake_irq);
|
|
disable_irq_wake(data->oob_wake_irq);
|
|
}
|
|
|
|
if (!test_bit(HCI_RUNNING, &hdev->flags))
|
|
goto done;
|
|
|
|
if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
|
|
err = btusb_submit_intr_urb(hdev, GFP_NOIO);
|
|
if (err < 0) {
|
|
clear_bit(BTUSB_INTR_RUNNING, &data->flags);
|
|
goto failed;
|
|
}
|
|
}
|
|
|
|
if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
|
|
err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
|
|
if (err < 0) {
|
|
clear_bit(BTUSB_BULK_RUNNING, &data->flags);
|
|
goto failed;
|
|
}
|
|
|
|
btusb_submit_bulk_urb(hdev, GFP_NOIO);
|
|
}
|
|
|
|
if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
|
|
if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
|
|
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
|
|
else
|
|
btusb_submit_isoc_urb(hdev, GFP_NOIO);
|
|
}
|
|
|
|
spin_lock_irq(&data->txlock);
|
|
play_deferred(data);
|
|
clear_bit(BTUSB_SUSPENDING, &data->flags);
|
|
spin_unlock_irq(&data->txlock);
|
|
schedule_work(&data->work);
|
|
|
|
return 0;
|
|
|
|
failed:
|
|
usb_scuttle_anchored_urbs(&data->deferred);
|
|
done:
|
|
spin_lock_irq(&data->txlock);
|
|
clear_bit(BTUSB_SUSPENDING, &data->flags);
|
|
spin_unlock_irq(&data->txlock);
|
|
|
|
return err;
|
|
}
|
|
#endif
|
|
|
|
static struct usb_driver btusb_driver = {
|
|
.name = "btusb",
|
|
.probe = btusb_probe,
|
|
.disconnect = btusb_disconnect,
|
|
#ifdef CONFIG_PM
|
|
.suspend = btusb_suspend,
|
|
.resume = btusb_resume,
|
|
#endif
|
|
.id_table = btusb_table,
|
|
.supports_autosuspend = 1,
|
|
.disable_hub_initiated_lpm = 1,
|
|
};
|
|
|
|
module_usb_driver(btusb_driver);
|
|
|
|
module_param(disable_scofix, bool, 0644);
|
|
MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
|
|
|
|
module_param(force_scofix, bool, 0644);
|
|
MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
|
|
|
|
module_param(enable_autosuspend, bool, 0644);
|
|
MODULE_PARM_DESC(enable_autosuspend, "Enable USB autosuspend by default");
|
|
|
|
module_param(reset, bool, 0644);
|
|
MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
|
|
|
|
MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
|
|
MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
|
|
MODULE_VERSION(VERSION);
|
|
MODULE_LICENSE("GPL");
|