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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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134d3b3550
Asus X553MA has USB device 04ca:3010 that is Atheros AR3012 or compatible. Device from /sys/kernel/debug/usb/devices: T: Bus=01 Lev=02 Prnt=02 Port=03 Cnt=02 Dev#= 27 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=04ca ProdID=3010 Rev= 0.02 C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA A: FirstIf#= 0 IfCount= 2 Cls=e0(wlcon) Sub=01 Prot=01 I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=1ms E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms Signed-off-by: Janne Heikkinen <janne.m.heikkinen@gmail.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
2289 lines
57 KiB
C
2289 lines
57 KiB
C
/*
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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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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#include <linux/module.h>
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#include <linux/usb.h>
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#include <linux/firmware.h>
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#include <net/bluetooth/bluetooth.h>
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#include <net/bluetooth/hci_core.h>
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#define VERSION "0.6"
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static bool disable_scofix;
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static bool force_scofix;
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static bool reset = 1;
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static struct usb_driver btusb_driver;
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#define BTUSB_IGNORE 0x01
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#define BTUSB_DIGIANSWER 0x02
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#define BTUSB_CSR 0x04
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#define BTUSB_SNIFFER 0x08
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#define BTUSB_BCM92035 0x10
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#define BTUSB_BROKEN_ISOC 0x20
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#define BTUSB_WRONG_SCO_MTU 0x40
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#define BTUSB_ATH3012 0x80
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#define BTUSB_INTEL 0x100
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#define BTUSB_INTEL_BOOT 0x200
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#define BTUSB_BCM_PATCHRAM 0x400
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#define BTUSB_MARVELL 0x800
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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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/* Apple-specific (Broadcom) devices */
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{ USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) },
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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) },
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/* Bluetooth Ultraport Module from IBM */
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{ USB_DEVICE(0x04bf, 0x030a) },
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/* ALPS Modules with non-standard id */
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{ USB_DEVICE(0x044e, 0x3001) },
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{ USB_DEVICE(0x044e, 0x3002) },
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/* Ericsson with non-standard id */
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{ USB_DEVICE(0x0bdb, 0x1002) },
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/* Canyon CN-BTU1 with HID interfaces */
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{ USB_DEVICE(0x0c10, 0x0000) },
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/* Broadcom BCM20702A0 */
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{ USB_DEVICE(0x0489, 0xe042) },
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{ USB_DEVICE(0x04ca, 0x2003) },
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{ USB_DEVICE(0x0b05, 0x17b5) },
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{ USB_DEVICE(0x0b05, 0x17cb) },
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{ USB_DEVICE(0x413c, 0x8197) },
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{ USB_DEVICE(0x13d3, 0x3404),
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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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/* 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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/* Belkin F8065bf - Broadcom based */
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{ USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01) },
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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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/* 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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/* 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(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, 0xe078), .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, 0x3010), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x0930, 0x0219), .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, 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(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, 0x3402), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
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{ USB_DEVICE(0x13d3, 0x3432), .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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/* Broadcom BCM2035 */
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{ USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
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{ USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
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{ USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
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/* Broadcom BCM2045 */
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{ USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
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{ USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
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/* IBM/Lenovo ThinkPad with Broadcom chip */
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{ USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
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{ USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
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/* HP laptop with Broadcom chip */
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{ USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
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/* Dell laptop with Broadcom chip */
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{ USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
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/* Dell Wireless 370 and 410 devices */
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{ USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
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{ USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
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/* Belkin F8T012 and F8T013 devices */
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{ USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
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{ USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
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/* Asus WL-BTD202 device */
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{ USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
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/* Kensington Bluetooth USB adapter */
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{ USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
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/* RTX Telecom based adapters with buggy SCO support */
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{ USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
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{ USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
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/* CONWISE Technology based adapters with buggy SCO support */
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{ USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC },
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/* Digianswer devices */
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{ USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
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{ USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
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/* CSR BlueCore Bluetooth Sniffer */
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{ USB_DEVICE(0x0a12, 0x0002),
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.driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
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/* Frontline ComProbe Bluetooth Sniffer */
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{ USB_DEVICE(0x16d3, 0x0002),
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.driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
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/* Intel Bluetooth device */
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{ USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL },
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{ USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL },
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/* Marvell device */
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{ USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL },
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{ USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL },
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{ } /* Terminating entry */
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};
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#define BTUSB_MAX_ISOC_FRAMES 10
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#define BTUSB_INTR_RUNNING 0
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#define BTUSB_BULK_RUNNING 1
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#define BTUSB_ISOC_RUNNING 2
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#define BTUSB_SUSPENDING 3
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#define BTUSB_DID_ISO_RESUME 4
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struct btusb_data {
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struct hci_dev *hdev;
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struct usb_device *udev;
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struct usb_interface *intf;
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struct usb_interface *isoc;
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unsigned long flags;
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struct work_struct work;
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struct work_struct waker;
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struct usb_anchor deferred;
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struct usb_anchor tx_anchor;
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int tx_in_flight;
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spinlock_t txlock;
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struct usb_anchor intr_anchor;
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struct usb_anchor bulk_anchor;
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struct usb_anchor isoc_anchor;
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spinlock_t rxlock;
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struct sk_buff *evt_skb;
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struct sk_buff *acl_skb;
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struct sk_buff *sco_skb;
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struct usb_endpoint_descriptor *intr_ep;
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struct usb_endpoint_descriptor *bulk_tx_ep;
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struct usb_endpoint_descriptor *bulk_rx_ep;
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struct usb_endpoint_descriptor *isoc_tx_ep;
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struct usb_endpoint_descriptor *isoc_rx_ep;
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__u8 cmdreq_type;
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unsigned int sco_num;
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int isoc_altsetting;
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int suspend_count;
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int (*recv_bulk)(struct btusb_data *data, void *buffer, int count);
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};
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static inline void btusb_free_frags(struct btusb_data *data)
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{
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unsigned long flags;
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spin_lock_irqsave(&data->rxlock, flags);
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kfree_skb(data->evt_skb);
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data->evt_skb = NULL;
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kfree_skb(data->acl_skb);
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data->acl_skb = NULL;
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kfree_skb(data->sco_skb);
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data->sco_skb = NULL;
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spin_unlock_irqrestore(&data->rxlock, flags);
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}
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static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count)
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{
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struct sk_buff *skb;
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int err = 0;
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spin_lock(&data->rxlock);
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skb = data->evt_skb;
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while (count) {
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int len;
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if (!skb) {
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skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC);
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if (!skb) {
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err = -ENOMEM;
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break;
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}
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bt_cb(skb)->pkt_type = HCI_EVENT_PKT;
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bt_cb(skb)->expect = HCI_EVENT_HDR_SIZE;
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}
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len = min_t(uint, bt_cb(skb)->expect, count);
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memcpy(skb_put(skb, len), buffer, len);
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count -= len;
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buffer += len;
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bt_cb(skb)->expect -= len;
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if (skb->len == HCI_EVENT_HDR_SIZE) {
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/* Complete event header */
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bt_cb(skb)->expect = hci_event_hdr(skb)->plen;
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if (skb_tailroom(skb) < bt_cb(skb)->expect) {
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kfree_skb(skb);
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skb = NULL;
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err = -EILSEQ;
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break;
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}
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}
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if (bt_cb(skb)->expect == 0) {
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/* Complete frame */
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hci_recv_frame(data->hdev, skb);
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skb = NULL;
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}
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}
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|
|
|
data->evt_skb = skb;
|
|
spin_unlock(&data->rxlock);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count)
|
|
{
|
|
struct sk_buff *skb;
|
|
int err = 0;
|
|
|
|
spin_lock(&data->rxlock);
|
|
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;
|
|
}
|
|
|
|
bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT;
|
|
bt_cb(skb)->expect = HCI_ACL_HDR_SIZE;
|
|
}
|
|
|
|
len = min_t(uint, bt_cb(skb)->expect, count);
|
|
memcpy(skb_put(skb, len), buffer, len);
|
|
|
|
count -= len;
|
|
buffer += len;
|
|
bt_cb(skb)->expect -= len;
|
|
|
|
if (skb->len == HCI_ACL_HDR_SIZE) {
|
|
__le16 dlen = hci_acl_hdr(skb)->dlen;
|
|
|
|
/* Complete ACL header */
|
|
bt_cb(skb)->expect = __le16_to_cpu(dlen);
|
|
|
|
if (skb_tailroom(skb) < bt_cb(skb)->expect) {
|
|
kfree_skb(skb);
|
|
skb = NULL;
|
|
|
|
err = -EILSEQ;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (bt_cb(skb)->expect == 0) {
|
|
/* Complete frame */
|
|
hci_recv_frame(data->hdev, skb);
|
|
skb = NULL;
|
|
}
|
|
}
|
|
|
|
data->acl_skb = skb;
|
|
spin_unlock(&data->rxlock);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count)
|
|
{
|
|
struct sk_buff *skb;
|
|
int err = 0;
|
|
|
|
spin_lock(&data->rxlock);
|
|
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;
|
|
}
|
|
|
|
bt_cb(skb)->pkt_type = HCI_SCODATA_PKT;
|
|
bt_cb(skb)->expect = HCI_SCO_HDR_SIZE;
|
|
}
|
|
|
|
len = min_t(uint, bt_cb(skb)->expect, count);
|
|
memcpy(skb_put(skb, len), buffer, len);
|
|
|
|
count -= len;
|
|
buffer += len;
|
|
bt_cb(skb)->expect -= len;
|
|
|
|
if (skb->len == HCI_SCO_HDR_SIZE) {
|
|
/* Complete SCO header */
|
|
bt_cb(skb)->expect = hci_sco_hdr(skb)->dlen;
|
|
|
|
if (skb_tailroom(skb) < bt_cb(skb)->expect) {
|
|
kfree_skb(skb);
|
|
skb = NULL;
|
|
|
|
err = -EILSEQ;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (bt_cb(skb)->expect == 0) {
|
|
/* Complete frame */
|
|
hci_recv_frame(data->hdev, skb);
|
|
skb = NULL;
|
|
}
|
|
}
|
|
|
|
data->sco_skb = skb;
|
|
spin_unlock(&data->rxlock);
|
|
|
|
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_ERR("%s corrupted event packet", hdev->name);
|
|
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_ERR("%s urb %p failed to resubmit (%d)",
|
|
hdev->name, urb, -err);
|
|
usb_unanchor_urb(urb);
|
|
}
|
|
}
|
|
|
|
static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
struct urb *urb;
|
|
unsigned char *buf;
|
|
unsigned int pipe;
|
|
int err, size;
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
if (!data->intr_ep)
|
|
return -ENODEV;
|
|
|
|
urb = usb_alloc_urb(0, mem_flags);
|
|
if (!urb)
|
|
return -ENOMEM;
|
|
|
|
size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
|
|
|
|
buf = kmalloc(size, mem_flags);
|
|
if (!buf) {
|
|
usb_free_urb(urb);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
|
|
|
|
usb_fill_int_urb(urb, data->udev, pipe, buf, size,
|
|
btusb_intr_complete, hdev, data->intr_ep->bInterval);
|
|
|
|
urb->transfer_flags |= URB_FREE_BUFFER;
|
|
|
|
usb_anchor_urb(urb, &data->intr_anchor);
|
|
|
|
err = usb_submit_urb(urb, mem_flags);
|
|
if (err < 0) {
|
|
if (err != -EPERM && err != -ENODEV)
|
|
BT_ERR("%s urb %p submission failed (%d)",
|
|
hdev->name, urb, -err);
|
|
usb_unanchor_urb(urb);
|
|
}
|
|
|
|
usb_free_urb(urb);
|
|
|
|
return err;
|
|
}
|
|
|
|
static void btusb_bulk_complete(struct urb *urb)
|
|
{
|
|
struct hci_dev *hdev = urb->context;
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
int err;
|
|
|
|
BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
|
|
urb->actual_length);
|
|
|
|
if (!test_bit(HCI_RUNNING, &hdev->flags))
|
|
return;
|
|
|
|
if (urb->status == 0) {
|
|
hdev->stat.byte_rx += urb->actual_length;
|
|
|
|
if (data->recv_bulk(data, urb->transfer_buffer,
|
|
urb->actual_length) < 0) {
|
|
BT_ERR("%s corrupted ACL packet", hdev->name);
|
|
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_ERR("%s urb %p failed to resubmit (%d)",
|
|
hdev->name, 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_ERR("%s urb %p submission failed (%d)",
|
|
hdev->name, 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_ERR("%s corrupted SCO packet", hdev->name);
|
|
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_ERR("%s urb %p failed to resubmit (%d)",
|
|
hdev->name, urb, -err);
|
|
usb_unanchor_urb(urb);
|
|
}
|
|
}
|
|
|
|
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_ERR("%s urb %p submission failed (%d)",
|
|
hdev->name, 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);
|
|
|
|
BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
|
|
urb->actual_length);
|
|
|
|
if (!test_bit(HCI_RUNNING, &hdev->flags))
|
|
goto done;
|
|
|
|
if (!urb->status)
|
|
hdev->stat.byte_tx += urb->transfer_buffer_length;
|
|
else
|
|
hdev->stat.err_tx++;
|
|
|
|
done:
|
|
spin_lock(&data->txlock);
|
|
data->tx_in_flight--;
|
|
spin_unlock(&data->txlock);
|
|
|
|
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;
|
|
|
|
data->intf->needs_remote_wakeup = 1;
|
|
|
|
if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
|
|
goto done;
|
|
|
|
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);
|
|
|
|
done:
|
|
usb_autopm_put_interface(data->intf);
|
|
return 0;
|
|
|
|
failed:
|
|
clear_bit(BTUSB_INTR_RUNNING, &data->flags);
|
|
clear_bit(HCI_RUNNING, &hdev->flags);
|
|
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);
|
|
}
|
|
|
|
static int btusb_close(struct hci_dev *hdev)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
int err;
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
|
|
return 0;
|
|
|
|
cancel_work_sync(&data->work);
|
|
cancel_work_sync(&data->waker);
|
|
|
|
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
|
|
clear_bit(BTUSB_BULK_RUNNING, &data->flags);
|
|
clear_bit(BTUSB_INTR_RUNNING, &data->flags);
|
|
|
|
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;
|
|
usb_autopm_put_interface(data->intf);
|
|
|
|
failed:
|
|
usb_scuttle_anchored_urbs(&data->deferred);
|
|
return 0;
|
|
}
|
|
|
|
static int btusb_flush(struct hci_dev *hdev)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
usb_kill_anchored_urbs(&data->tx_anchor);
|
|
btusb_free_frags(data);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
struct usb_ctrlrequest *dr;
|
|
struct urb *urb;
|
|
unsigned int pipe;
|
|
|
|
urb = usb_alloc_urb(0, GFP_KERNEL);
|
|
if (!urb)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
dr = kmalloc(sizeof(*dr), GFP_KERNEL);
|
|
if (!dr) {
|
|
usb_free_urb(urb);
|
|
return ERR_PTR(-ENOMEM);
|
|
}
|
|
|
|
dr->bRequestType = data->cmdreq_type;
|
|
dr->bRequest = 0;
|
|
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;
|
|
|
|
__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_ERR("%s urb %p submission failed (%d)",
|
|
hdev->name, 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);
|
|
|
|
if (!test_bit(HCI_RUNNING, &hdev->flags))
|
|
return -EBUSY;
|
|
|
|
switch (bt_cb(skb)->pkt_type) {
|
|
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);
|
|
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, 1, altsetting);
|
|
if (err < 0) {
|
|
BT_ERR("%s setting interface failed (%d)", hdev->name, -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_ERR("%s invalid SCO descriptors", hdev->name);
|
|
return -ENODEV;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void btusb_work(struct work_struct *work)
|
|
{
|
|
struct btusb_data *data = container_of(work, struct btusb_data, work);
|
|
struct hci_dev *hdev = data->hdev;
|
|
int new_alts;
|
|
int 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 (hdev->voice_setting & 0x0020) {
|
|
static const int alts[3] = { 2, 4, 5 };
|
|
|
|
new_alts = alts[data->sco_num - 1];
|
|
} else {
|
|
new_alts = data->sco_num;
|
|
}
|
|
|
|
if (data->isoc_altsetting != new_alts) {
|
|
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
|
|
usb_kill_anchored_urbs(&data->isoc_anchor);
|
|
|
|
if (__set_isoc_interface(hdev, new_alts) < 0)
|
|
return;
|
|
}
|
|
|
|
if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
|
|
if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
|
|
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
|
|
else
|
|
btusb_submit_isoc_urb(hdev, GFP_KERNEL);
|
|
}
|
|
} else {
|
|
clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
|
|
usb_kill_anchored_urbs(&data->isoc_anchor);
|
|
|
|
__set_isoc_interface(hdev, 0);
|
|
if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
|
|
usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
|
|
}
|
|
}
|
|
|
|
static void btusb_waker(struct work_struct *work)
|
|
{
|
|
struct btusb_data *data = container_of(work, struct btusb_data, waker);
|
|
int err;
|
|
|
|
err = usb_autopm_get_interface(data->intf);
|
|
if (err < 0)
|
|
return;
|
|
|
|
usb_autopm_put_interface(data->intf);
|
|
}
|
|
|
|
static int btusb_setup_bcm92035(struct hci_dev *hdev)
|
|
{
|
|
struct sk_buff *skb;
|
|
u8 val = 0x00;
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb))
|
|
BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb));
|
|
else
|
|
kfree_skb(skb);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int btusb_setup_csr(struct hci_dev *hdev)
|
|
{
|
|
struct hci_rp_read_local_version *rp;
|
|
struct sk_buff *skb;
|
|
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)) {
|
|
BT_ERR("Reading local version failed (%ld)", -PTR_ERR(skb));
|
|
return -PTR_ERR(skb);
|
|
}
|
|
|
|
rp = (struct hci_rp_read_local_version *)skb->data;
|
|
|
|
if (!rp->status) {
|
|
if (le16_to_cpu(rp->manufacturer) != 10) {
|
|
/* Clear the reset quirk since this is not an actual
|
|
* early Bluetooth 1.1 device from CSR.
|
|
*/
|
|
clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
|
|
|
|
/* These fake CSR controllers have all a broken
|
|
* stored link key handling and so just disable it.
|
|
*/
|
|
set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY,
|
|
&hdev->quirks);
|
|
}
|
|
}
|
|
|
|
ret = -bt_to_errno(rp->status);
|
|
|
|
kfree_skb(skb);
|
|
|
|
return ret;
|
|
}
|
|
|
|
struct intel_version {
|
|
u8 status;
|
|
u8 hw_platform;
|
|
u8 hw_variant;
|
|
u8 hw_revision;
|
|
u8 fw_variant;
|
|
u8 fw_revision;
|
|
u8 fw_build_num;
|
|
u8 fw_build_ww;
|
|
u8 fw_build_yy;
|
|
u8 fw_patch_num;
|
|
} __packed;
|
|
|
|
static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev,
|
|
struct intel_version *ver)
|
|
{
|
|
const struct firmware *fw;
|
|
char fwname[64];
|
|
int ret;
|
|
|
|
snprintf(fwname, sizeof(fwname),
|
|
"intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
|
|
ver->hw_platform, ver->hw_variant, ver->hw_revision,
|
|
ver->fw_variant, ver->fw_revision, ver->fw_build_num,
|
|
ver->fw_build_ww, ver->fw_build_yy);
|
|
|
|
ret = request_firmware(&fw, fwname, &hdev->dev);
|
|
if (ret < 0) {
|
|
if (ret == -EINVAL) {
|
|
BT_ERR("%s Intel firmware file request failed (%d)",
|
|
hdev->name, ret);
|
|
return NULL;
|
|
}
|
|
|
|
BT_ERR("%s failed to open Intel firmware file: %s(%d)",
|
|
hdev->name, fwname, ret);
|
|
|
|
/* If the correct firmware patch file is not found, use the
|
|
* default firmware patch file instead
|
|
*/
|
|
snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq",
|
|
ver->hw_platform, ver->hw_variant);
|
|
if (request_firmware(&fw, fwname, &hdev->dev) < 0) {
|
|
BT_ERR("%s failed to open default Intel fw file: %s",
|
|
hdev->name, fwname);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname);
|
|
|
|
return fw;
|
|
}
|
|
|
|
static int btusb_setup_intel_patching(struct hci_dev *hdev,
|
|
const struct firmware *fw,
|
|
const u8 **fw_ptr, int *disable_patch)
|
|
{
|
|
struct sk_buff *skb;
|
|
struct hci_command_hdr *cmd;
|
|
const u8 *cmd_param;
|
|
struct hci_event_hdr *evt = NULL;
|
|
const u8 *evt_param = NULL;
|
|
int remain = fw->size - (*fw_ptr - fw->data);
|
|
|
|
/* The first byte indicates the types of the patch command or event.
|
|
* 0x01 means HCI command and 0x02 is HCI event. If the first bytes
|
|
* in the current firmware buffer doesn't start with 0x01 or
|
|
* the size of remain buffer is smaller than HCI command header,
|
|
* the firmware file is corrupted and it should stop the patching
|
|
* process.
|
|
*/
|
|
if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) {
|
|
BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name);
|
|
return -EINVAL;
|
|
}
|
|
(*fw_ptr)++;
|
|
remain--;
|
|
|
|
cmd = (struct hci_command_hdr *)(*fw_ptr);
|
|
*fw_ptr += sizeof(*cmd);
|
|
remain -= sizeof(*cmd);
|
|
|
|
/* Ensure that the remain firmware data is long enough than the length
|
|
* of command parameter. If not, the firmware file is corrupted.
|
|
*/
|
|
if (remain < cmd->plen) {
|
|
BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name);
|
|
return -EFAULT;
|
|
}
|
|
|
|
/* If there is a command that loads a patch in the firmware
|
|
* file, then enable the patch upon success, otherwise just
|
|
* disable the manufacturer mode, for example patch activation
|
|
* is not required when the default firmware patch file is used
|
|
* because there are no patch data to load.
|
|
*/
|
|
if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e)
|
|
*disable_patch = 0;
|
|
|
|
cmd_param = *fw_ptr;
|
|
*fw_ptr += cmd->plen;
|
|
remain -= cmd->plen;
|
|
|
|
/* This reads the expected events when the above command is sent to the
|
|
* device. Some vendor commands expects more than one events, for
|
|
* example command status event followed by vendor specific event.
|
|
* For this case, it only keeps the last expected event. so the command
|
|
* can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
|
|
* last expected event.
|
|
*/
|
|
while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) {
|
|
(*fw_ptr)++;
|
|
remain--;
|
|
|
|
evt = (struct hci_event_hdr *)(*fw_ptr);
|
|
*fw_ptr += sizeof(*evt);
|
|
remain -= sizeof(*evt);
|
|
|
|
if (remain < evt->plen) {
|
|
BT_ERR("%s Intel fw corrupted: invalid evt len",
|
|
hdev->name);
|
|
return -EFAULT;
|
|
}
|
|
|
|
evt_param = *fw_ptr;
|
|
*fw_ptr += evt->plen;
|
|
remain -= evt->plen;
|
|
}
|
|
|
|
/* Every HCI commands in the firmware file has its correspond event.
|
|
* If event is not found or remain is smaller than zero, the firmware
|
|
* file is corrupted.
|
|
*/
|
|
if (!evt || !evt_param || remain < 0) {
|
|
BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name);
|
|
return -EFAULT;
|
|
}
|
|
|
|
skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen,
|
|
cmd_param, evt->evt, HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)",
|
|
hdev->name, cmd->opcode, PTR_ERR(skb));
|
|
return PTR_ERR(skb);
|
|
}
|
|
|
|
/* It ensures that the returned event matches the event data read from
|
|
* the firmware file. At fist, it checks the length and then
|
|
* the contents of the event.
|
|
*/
|
|
if (skb->len != evt->plen) {
|
|
BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name,
|
|
le16_to_cpu(cmd->opcode));
|
|
kfree_skb(skb);
|
|
return -EFAULT;
|
|
}
|
|
|
|
if (memcmp(skb->data, evt_param, evt->plen)) {
|
|
BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)",
|
|
hdev->name, le16_to_cpu(cmd->opcode));
|
|
kfree_skb(skb);
|
|
return -EFAULT;
|
|
}
|
|
kfree_skb(skb);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define BDADDR_INTEL (&(bdaddr_t) {{0x00, 0x8b, 0x9e, 0x19, 0x03, 0x00}})
|
|
|
|
static int btusb_check_bdaddr_intel(struct hci_dev *hdev)
|
|
{
|
|
struct sk_buff *skb;
|
|
struct hci_rp_read_bd_addr *rp;
|
|
|
|
skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL,
|
|
HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
BT_ERR("%s reading Intel device address failed (%ld)",
|
|
hdev->name, PTR_ERR(skb));
|
|
return PTR_ERR(skb);
|
|
}
|
|
|
|
if (skb->len != sizeof(*rp)) {
|
|
BT_ERR("%s Intel device address length mismatch", hdev->name);
|
|
kfree_skb(skb);
|
|
return -EIO;
|
|
}
|
|
|
|
rp = (struct hci_rp_read_bd_addr *)skb->data;
|
|
if (rp->status) {
|
|
BT_ERR("%s Intel device address result failed (%02x)",
|
|
hdev->name, rp->status);
|
|
kfree_skb(skb);
|
|
return -bt_to_errno(rp->status);
|
|
}
|
|
|
|
/* For some Intel based controllers, the default Bluetooth device
|
|
* address 00:03:19:9E:8B:00 can be found. These controllers are
|
|
* fully operational, but have the danger of duplicate addresses
|
|
* and that in turn can cause problems with Bluetooth operation.
|
|
*/
|
|
if (!bacmp(&rp->bdaddr, BDADDR_INTEL)) {
|
|
BT_ERR("%s found Intel default device address (%pMR)",
|
|
hdev->name, &rp->bdaddr);
|
|
set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
|
|
}
|
|
|
|
kfree_skb(skb);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int btusb_setup_intel(struct hci_dev *hdev)
|
|
{
|
|
struct sk_buff *skb;
|
|
const struct firmware *fw;
|
|
const u8 *fw_ptr;
|
|
int disable_patch;
|
|
struct intel_version *ver;
|
|
|
|
const u8 mfg_enable[] = { 0x01, 0x00 };
|
|
const u8 mfg_disable[] = { 0x00, 0x00 };
|
|
const u8 mfg_reset_deactivate[] = { 0x00, 0x01 };
|
|
const u8 mfg_reset_activate[] = { 0x00, 0x02 };
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
/* The controller has a bug with the first HCI command sent to it
|
|
* returning number of completed commands as zero. This would stall the
|
|
* command processing in the Bluetooth core.
|
|
*
|
|
* As a workaround, send HCI Reset command first which will reset the
|
|
* number of completed commands and allow normal command processing
|
|
* from now on.
|
|
*/
|
|
skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
BT_ERR("%s sending initial HCI reset command failed (%ld)",
|
|
hdev->name, PTR_ERR(skb));
|
|
return PTR_ERR(skb);
|
|
}
|
|
kfree_skb(skb);
|
|
|
|
/* Read Intel specific controller version first to allow selection of
|
|
* which firmware file to load.
|
|
*
|
|
* The returned information are hardware variant and revision plus
|
|
* firmware variant, revision and build number.
|
|
*/
|
|
skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
BT_ERR("%s reading Intel fw version command failed (%ld)",
|
|
hdev->name, PTR_ERR(skb));
|
|
return PTR_ERR(skb);
|
|
}
|
|
|
|
if (skb->len != sizeof(*ver)) {
|
|
BT_ERR("%s Intel version event length mismatch", hdev->name);
|
|
kfree_skb(skb);
|
|
return -EIO;
|
|
}
|
|
|
|
ver = (struct intel_version *)skb->data;
|
|
if (ver->status) {
|
|
BT_ERR("%s Intel fw version event failed (%02x)", hdev->name,
|
|
ver->status);
|
|
kfree_skb(skb);
|
|
return -bt_to_errno(ver->status);
|
|
}
|
|
|
|
BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
|
|
hdev->name, ver->hw_platform, ver->hw_variant,
|
|
ver->hw_revision, ver->fw_variant, ver->fw_revision,
|
|
ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy,
|
|
ver->fw_patch_num);
|
|
|
|
/* fw_patch_num indicates the version of patch the device currently
|
|
* have. If there is no patch data in the device, it is always 0x00.
|
|
* So, if it is other than 0x00, no need to patch the deivce again.
|
|
*/
|
|
if (ver->fw_patch_num) {
|
|
BT_INFO("%s: Intel device is already patched. patch num: %02x",
|
|
hdev->name, ver->fw_patch_num);
|
|
kfree_skb(skb);
|
|
btusb_check_bdaddr_intel(hdev);
|
|
return 0;
|
|
}
|
|
|
|
/* Opens the firmware patch file based on the firmware version read
|
|
* from the controller. If it fails to open the matching firmware
|
|
* patch file, it tries to open the default firmware patch file.
|
|
* If no patch file is found, allow the device to operate without
|
|
* a patch.
|
|
*/
|
|
fw = btusb_setup_intel_get_fw(hdev, ver);
|
|
if (!fw) {
|
|
kfree_skb(skb);
|
|
btusb_check_bdaddr_intel(hdev);
|
|
return 0;
|
|
}
|
|
fw_ptr = fw->data;
|
|
|
|
/* This Intel specific command enables the manufacturer mode of the
|
|
* controller.
|
|
*
|
|
* Only while this mode is enabled, the driver can download the
|
|
* firmware patch data and configuration parameters.
|
|
*/
|
|
skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
BT_ERR("%s entering Intel manufacturer mode failed (%ld)",
|
|
hdev->name, PTR_ERR(skb));
|
|
release_firmware(fw);
|
|
return PTR_ERR(skb);
|
|
}
|
|
|
|
if (skb->data[0]) {
|
|
u8 evt_status = skb->data[0];
|
|
|
|
BT_ERR("%s enable Intel manufacturer mode event failed (%02x)",
|
|
hdev->name, evt_status);
|
|
kfree_skb(skb);
|
|
release_firmware(fw);
|
|
return -bt_to_errno(evt_status);
|
|
}
|
|
kfree_skb(skb);
|
|
|
|
disable_patch = 1;
|
|
|
|
/* The firmware data file consists of list of Intel specific HCI
|
|
* commands and its expected events. The first byte indicates the
|
|
* type of the message, either HCI command or HCI event.
|
|
*
|
|
* It reads the command and its expected event from the firmware file,
|
|
* and send to the controller. Once __hci_cmd_sync_ev() returns,
|
|
* the returned event is compared with the event read from the firmware
|
|
* file and it will continue until all the messages are downloaded to
|
|
* the controller.
|
|
*
|
|
* Once the firmware patching is completed successfully,
|
|
* the manufacturer mode is disabled with reset and activating the
|
|
* downloaded patch.
|
|
*
|
|
* If the firmware patching fails, the manufacturer mode is
|
|
* disabled with reset and deactivating the patch.
|
|
*
|
|
* If the default patch file is used, no reset is done when disabling
|
|
* the manufacturer.
|
|
*/
|
|
while (fw->size > fw_ptr - fw->data) {
|
|
int ret;
|
|
|
|
ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr,
|
|
&disable_patch);
|
|
if (ret < 0)
|
|
goto exit_mfg_deactivate;
|
|
}
|
|
|
|
release_firmware(fw);
|
|
|
|
if (disable_patch)
|
|
goto exit_mfg_disable;
|
|
|
|
/* Patching completed successfully and disable the manufacturer mode
|
|
* with reset and activate the downloaded firmware patches.
|
|
*/
|
|
skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate),
|
|
mfg_reset_activate, HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
|
|
hdev->name, PTR_ERR(skb));
|
|
return PTR_ERR(skb);
|
|
}
|
|
kfree_skb(skb);
|
|
|
|
BT_INFO("%s: Intel Bluetooth firmware patch completed and activated",
|
|
hdev->name);
|
|
|
|
btusb_check_bdaddr_intel(hdev);
|
|
return 0;
|
|
|
|
exit_mfg_disable:
|
|
/* Disable the manufacturer mode without reset */
|
|
skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable,
|
|
HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
|
|
hdev->name, PTR_ERR(skb));
|
|
return PTR_ERR(skb);
|
|
}
|
|
kfree_skb(skb);
|
|
|
|
BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name);
|
|
|
|
btusb_check_bdaddr_intel(hdev);
|
|
return 0;
|
|
|
|
exit_mfg_deactivate:
|
|
release_firmware(fw);
|
|
|
|
/* Patching failed. Disable the manufacturer mode with reset and
|
|
* deactivate the downloaded firmware patches.
|
|
*/
|
|
skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate),
|
|
mfg_reset_deactivate, HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
|
|
hdev->name, PTR_ERR(skb));
|
|
return PTR_ERR(skb);
|
|
}
|
|
kfree_skb(skb);
|
|
|
|
BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated",
|
|
hdev->name);
|
|
|
|
btusb_check_bdaddr_intel(hdev);
|
|
return 0;
|
|
}
|
|
|
|
static int btusb_set_bdaddr_intel(struct hci_dev *hdev, const bdaddr_t *bdaddr)
|
|
{
|
|
struct sk_buff *skb;
|
|
long ret;
|
|
|
|
skb = __hci_cmd_sync(hdev, 0xfc31, 6, bdaddr, HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
ret = PTR_ERR(skb);
|
|
BT_ERR("%s: changing Intel device address failed (%ld)",
|
|
hdev->name, ret);
|
|
return ret;
|
|
}
|
|
kfree_skb(skb);
|
|
|
|
return 0;
|
|
}
|
|
|
|
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_ERR("%s: changing Marvell device address failed (%ld)",
|
|
hdev->name, ret);
|
|
return ret;
|
|
}
|
|
kfree_skb(skb);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}})
|
|
|
|
static int btusb_setup_bcm_patchram(struct hci_dev *hdev)
|
|
{
|
|
struct btusb_data *data = hci_get_drvdata(hdev);
|
|
struct usb_device *udev = data->udev;
|
|
char fw_name[64];
|
|
const struct firmware *fw;
|
|
const u8 *fw_ptr;
|
|
size_t fw_size;
|
|
const struct hci_command_hdr *cmd;
|
|
const u8 *cmd_param;
|
|
u16 opcode;
|
|
struct sk_buff *skb;
|
|
struct hci_rp_read_local_version *ver;
|
|
struct hci_rp_read_bd_addr *bda;
|
|
long ret;
|
|
|
|
snprintf(fw_name, sizeof(fw_name), "brcm/%s-%04x-%04x.hcd",
|
|
udev->product ? udev->product : "BCM",
|
|
le16_to_cpu(udev->descriptor.idVendor),
|
|
le16_to_cpu(udev->descriptor.idProduct));
|
|
|
|
ret = request_firmware(&fw, fw_name, &hdev->dev);
|
|
if (ret < 0) {
|
|
BT_INFO("%s: BCM: patch %s not found", hdev->name, fw_name);
|
|
return 0;
|
|
}
|
|
|
|
/* Reset */
|
|
skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
ret = PTR_ERR(skb);
|
|
BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev->name, ret);
|
|
goto done;
|
|
}
|
|
kfree_skb(skb);
|
|
|
|
/* Read Local Version Info */
|
|
skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
|
|
HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
ret = PTR_ERR(skb);
|
|
BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)",
|
|
hdev->name, ret);
|
|
goto done;
|
|
}
|
|
|
|
if (skb->len != sizeof(*ver)) {
|
|
BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch",
|
|
hdev->name);
|
|
kfree_skb(skb);
|
|
ret = -EIO;
|
|
goto done;
|
|
}
|
|
|
|
ver = (struct hci_rp_read_local_version *)skb->data;
|
|
BT_INFO("%s: BCM: patching hci_ver=%02x hci_rev=%04x lmp_ver=%02x "
|
|
"lmp_subver=%04x", hdev->name, ver->hci_ver, ver->hci_rev,
|
|
ver->lmp_ver, ver->lmp_subver);
|
|
kfree_skb(skb);
|
|
|
|
/* Start Download */
|
|
skb = __hci_cmd_sync(hdev, 0xfc2e, 0, NULL, HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
ret = PTR_ERR(skb);
|
|
BT_ERR("%s: BCM: Download Minidrv command failed (%ld)",
|
|
hdev->name, ret);
|
|
goto reset_fw;
|
|
}
|
|
kfree_skb(skb);
|
|
|
|
/* 50 msec delay after Download Minidrv completes */
|
|
msleep(50);
|
|
|
|
fw_ptr = fw->data;
|
|
fw_size = fw->size;
|
|
|
|
while (fw_size >= sizeof(*cmd)) {
|
|
cmd = (struct hci_command_hdr *)fw_ptr;
|
|
fw_ptr += sizeof(*cmd);
|
|
fw_size -= sizeof(*cmd);
|
|
|
|
if (fw_size < cmd->plen) {
|
|
BT_ERR("%s: BCM: patch %s is corrupted",
|
|
hdev->name, fw_name);
|
|
ret = -EINVAL;
|
|
goto reset_fw;
|
|
}
|
|
|
|
cmd_param = fw_ptr;
|
|
fw_ptr += cmd->plen;
|
|
fw_size -= cmd->plen;
|
|
|
|
opcode = le16_to_cpu(cmd->opcode);
|
|
|
|
skb = __hci_cmd_sync(hdev, opcode, cmd->plen, cmd_param,
|
|
HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
ret = PTR_ERR(skb);
|
|
BT_ERR("%s: BCM: patch command %04x failed (%ld)",
|
|
hdev->name, opcode, ret);
|
|
goto reset_fw;
|
|
}
|
|
kfree_skb(skb);
|
|
}
|
|
|
|
/* 250 msec delay after Launch Ram completes */
|
|
msleep(250);
|
|
|
|
reset_fw:
|
|
/* Reset */
|
|
skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
ret = PTR_ERR(skb);
|
|
BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev->name, ret);
|
|
goto done;
|
|
}
|
|
kfree_skb(skb);
|
|
|
|
/* Read Local Version Info */
|
|
skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
|
|
HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
ret = PTR_ERR(skb);
|
|
BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)",
|
|
hdev->name, ret);
|
|
goto done;
|
|
}
|
|
|
|
if (skb->len != sizeof(*ver)) {
|
|
BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch",
|
|
hdev->name);
|
|
kfree_skb(skb);
|
|
ret = -EIO;
|
|
goto done;
|
|
}
|
|
|
|
ver = (struct hci_rp_read_local_version *)skb->data;
|
|
BT_INFO("%s: BCM: firmware hci_ver=%02x hci_rev=%04x lmp_ver=%02x "
|
|
"lmp_subver=%04x", hdev->name, ver->hci_ver, ver->hci_rev,
|
|
ver->lmp_ver, ver->lmp_subver);
|
|
kfree_skb(skb);
|
|
|
|
/* Read BD Address */
|
|
skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL,
|
|
HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
ret = PTR_ERR(skb);
|
|
BT_ERR("%s: HCI_OP_READ_BD_ADDR failed (%ld)",
|
|
hdev->name, ret);
|
|
goto done;
|
|
}
|
|
|
|
if (skb->len != sizeof(*bda)) {
|
|
BT_ERR("%s: HCI_OP_READ_BD_ADDR event length mismatch",
|
|
hdev->name);
|
|
kfree_skb(skb);
|
|
ret = -EIO;
|
|
goto done;
|
|
}
|
|
|
|
bda = (struct hci_rp_read_bd_addr *)skb->data;
|
|
if (bda->status) {
|
|
BT_ERR("%s: HCI_OP_READ_BD_ADDR error status (%02x)",
|
|
hdev->name, bda->status);
|
|
kfree_skb(skb);
|
|
ret = -bt_to_errno(bda->status);
|
|
goto done;
|
|
}
|
|
|
|
/* The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller
|
|
* with no configured address.
|
|
*/
|
|
if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0)) {
|
|
BT_INFO("%s: BCM: using default device address (%pMR)",
|
|
hdev->name, &bda->bdaddr);
|
|
set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
|
|
}
|
|
|
|
kfree_skb(skb);
|
|
|
|
done:
|
|
release_firmware(fw);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int btusb_set_bdaddr_bcm(struct hci_dev *hdev, const bdaddr_t *bdaddr)
|
|
{
|
|
struct sk_buff *skb;
|
|
long ret;
|
|
|
|
skb = __hci_cmd_sync(hdev, 0xfc01, 6, bdaddr, HCI_INIT_TIMEOUT);
|
|
if (IS_ERR(skb)) {
|
|
ret = PTR_ERR(skb);
|
|
BT_ERR("%s: BCM: Change address command failed (%ld)",
|
|
hdev->name, ret);
|
|
return ret;
|
|
}
|
|
kfree_skb(skb);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int btusb_probe(struct usb_interface *intf,
|
|
const struct usb_device_id *id)
|
|
{
|
|
struct usb_endpoint_descriptor *ep_desc;
|
|
struct btusb_data *data;
|
|
struct hci_dev *hdev;
|
|
int i, err;
|
|
|
|
BT_DBG("intf %p id %p", intf, id);
|
|
|
|
/* interface numbers are hardcoded in the spec */
|
|
if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
|
|
return -ENODEV;
|
|
|
|
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)
|
|
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;
|
|
|
|
data->cmdreq_type = USB_TYPE_CLASS;
|
|
|
|
data->udev = interface_to_usbdev(intf);
|
|
data->intf = intf;
|
|
|
|
INIT_WORK(&data->work, btusb_work);
|
|
INIT_WORK(&data->waker, btusb_waker);
|
|
init_usb_anchor(&data->deferred);
|
|
init_usb_anchor(&data->tx_anchor);
|
|
spin_lock_init(&data->txlock);
|
|
|
|
init_usb_anchor(&data->intr_anchor);
|
|
init_usb_anchor(&data->bulk_anchor);
|
|
init_usb_anchor(&data->isoc_anchor);
|
|
spin_lock_init(&data->rxlock);
|
|
|
|
data->recv_bulk = btusb_recv_bulk;
|
|
|
|
hdev = hci_alloc_dev();
|
|
if (!hdev)
|
|
return -ENOMEM;
|
|
|
|
hdev->bus = HCI_USB;
|
|
hci_set_drvdata(hdev, data);
|
|
|
|
data->hdev = hdev;
|
|
|
|
SET_HCIDEV_DEV(hdev, &intf->dev);
|
|
|
|
hdev->open = btusb_open;
|
|
hdev->close = btusb_close;
|
|
hdev->flush = btusb_flush;
|
|
hdev->send = btusb_send_frame;
|
|
hdev->notify = btusb_notify;
|
|
|
|
if (id->driver_info & BTUSB_BCM92035)
|
|
hdev->setup = btusb_setup_bcm92035;
|
|
|
|
if (id->driver_info & BTUSB_BCM_PATCHRAM) {
|
|
hdev->setup = btusb_setup_bcm_patchram;
|
|
hdev->set_bdaddr = btusb_set_bdaddr_bcm;
|
|
set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
|
|
}
|
|
|
|
if (id->driver_info & BTUSB_INTEL) {
|
|
hdev->setup = btusb_setup_intel;
|
|
hdev->set_bdaddr = btusb_set_bdaddr_intel;
|
|
}
|
|
|
|
if (id->driver_info & BTUSB_MARVELL)
|
|
hdev->set_bdaddr = btusb_set_bdaddr_marvell;
|
|
|
|
if (id->driver_info & BTUSB_INTEL_BOOT)
|
|
set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
|
|
|
|
/* Interface numbers are hardcoded in the specification */
|
|
data->isoc = usb_ifnum_to_if(data->udev, 1);
|
|
|
|
if (!reset)
|
|
set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
|
|
|
|
if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
|
|
if (!disable_scofix)
|
|
set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
|
|
}
|
|
|
|
if (id->driver_info & BTUSB_BROKEN_ISOC)
|
|
data->isoc = NULL;
|
|
|
|
if (id->driver_info & BTUSB_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);
|
|
|
|
/* Fake CSR devices with broken commands */
|
|
if (bcdDevice <= 0x100)
|
|
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);
|
|
hci_free_dev(hdev);
|
|
return err;
|
|
}
|
|
}
|
|
|
|
if (data->isoc) {
|
|
err = usb_driver_claim_interface(&btusb_driver,
|
|
data->isoc, data);
|
|
if (err < 0) {
|
|
hci_free_dev(hdev);
|
|
return err;
|
|
}
|
|
}
|
|
|
|
err = hci_register_dev(hdev);
|
|
if (err < 0) {
|
|
hci_free_dev(hdev);
|
|
return err;
|
|
}
|
|
|
|
usb_set_intfdata(intf, data);
|
|
|
|
return 0;
|
|
}
|
|
|
|
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);
|
|
|
|
hci_unregister_dev(hdev);
|
|
|
|
if (intf == data->isoc)
|
|
usb_driver_release_interface(&btusb_driver, data->intf);
|
|
else if (data->isoc)
|
|
usb_driver_release_interface(&btusb_driver, data->isoc);
|
|
|
|
btusb_free_frags(data);
|
|
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);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void play_deferred(struct btusb_data *data)
|
|
{
|
|
struct urb *urb;
|
|
int err;
|
|
|
|
while ((urb = usb_get_from_anchor(&data->deferred))) {
|
|
err = usb_submit_urb(urb, GFP_ATOMIC);
|
|
if (err < 0)
|
|
break;
|
|
|
|
data->tx_in_flight++;
|
|
}
|
|
usb_scuttle_anchored_urbs(&data->deferred);
|
|
}
|
|
|
|
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;
|
|
|
|
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(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");
|