btusb.c revision 5b1b0b812a7b1a5b968c5d06d90d1cb88621b941
15e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann/* 25e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * 35e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * Generic Bluetooth USB driver 45e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * 59bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> 65e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * 75e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * 85e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * This program is free software; you can redistribute it and/or modify 95e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * it under the terms of the GNU General Public License as published by 105e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * the Free Software Foundation; either version 2 of the License, or 115e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * (at your option) any later version. 125e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * 135e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * This program is distributed in the hope that it will be useful, 145e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * but WITHOUT ANY WARRANTY; without even the implied warranty of 155e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 165e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * GNU General Public License for more details. 175e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * 185e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * You should have received a copy of the GNU General Public License 195e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * along with this program; if not, write to the Free Software 205e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 215e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann * 225e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann */ 235e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 245e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#include <linux/kernel.h> 255e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#include <linux/module.h> 265e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#include <linux/init.h> 275e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#include <linux/slab.h> 285e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#include <linux/types.h> 295e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#include <linux/sched.h> 305e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#include <linux/errno.h> 315e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#include <linux/skbuff.h> 325e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 335e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#include <linux/usb.h> 345e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 355e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#include <net/bluetooth/bluetooth.h> 365e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#include <net/bluetooth/hci_core.h> 375e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 387bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum#define VERSION "0.6" 39cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 40cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannstatic int ignore_dga; 41cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannstatic int ignore_csr; 42cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannstatic int ignore_sniffer; 43cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannstatic int disable_scofix; 44cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannstatic int force_scofix; 457a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann 467a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmannstatic int reset = 1; 47cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 48cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannstatic struct usb_driver btusb_driver; 49cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 50cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann#define BTUSB_IGNORE 0x01 517a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann#define BTUSB_DIGIANSWER 0x02 527a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann#define BTUSB_CSR 0x04 537a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann#define BTUSB_SNIFFER 0x08 547a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann#define BTUSB_BCM92035 0x10 557a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann#define BTUSB_BROKEN_ISOC 0x20 567a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann#define BTUSB_WRONG_SCO_MTU 0x40 572d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li#define BTUSB_ATH3012 0x80 585e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 595e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic struct usb_device_id btusb_table[] = { 605e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann /* Generic Bluetooth USB device */ 615e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, 625e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 633cd01976e702ccaffb907727caff4f8789353599Nobuhiro Iwamatsu /* Apple MacBookPro 7,1 */ 643cd01976e702ccaffb907727caff4f8789353599Nobuhiro Iwamatsu { USB_DEVICE(0x05ac, 0x8213) }, 653cd01976e702ccaffb907727caff4f8789353599Nobuhiro Iwamatsu 660a79f67445de50ca0a8dc1d34f3cc406d89c28b2Cyril Lacoux /* Apple iMac11,1 */ 670a79f67445de50ca0a8dc1d34f3cc406d89c28b2Cyril Lacoux { USB_DEVICE(0x05ac, 0x8215) }, 680a79f67445de50ca0a8dc1d34f3cc406d89c28b2Cyril Lacoux 699c047157a20521cd525527947b13b950d168d2e6Nobuhiro Iwamatsu /* Apple MacBookPro6,2 */ 709c047157a20521cd525527947b13b950d168d2e6Nobuhiro Iwamatsu { USB_DEVICE(0x05ac, 0x8218) }, 719c047157a20521cd525527947b13b950d168d2e6Nobuhiro Iwamatsu 723e3ede7dda2d77d2cbec608e663b6a6ace501bfcEdgar (gimli) Hucek /* Apple MacBookAir3,1, MacBookAir3,2 */ 733e3ede7dda2d77d2cbec608e663b6a6ace501bfcEdgar (gimli) Hucek { USB_DEVICE(0x05ac, 0x821b) }, 743e3ede7dda2d77d2cbec608e663b6a6ace501bfcEdgar (gimli) Hucek 7588d377b6c3c28ee54cd4c76bfe6e60f2d9bf6ae1Marc-Antoine Perennou /* Apple MacBookPro8,2 */ 7688d377b6c3c28ee54cd4c76bfe6e60f2d9bf6ae1Marc-Antoine Perennou { USB_DEVICE(0x05ac, 0x821a) }, 7788d377b6c3c28ee54cd4c76bfe6e60f2d9bf6ae1Marc-Antoine Perennou 78cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* AVM BlueFRITZ! USB v2.0 */ 79cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x057c, 0x3800) }, 80cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 81cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Bluetooth Ultraport Module from IBM */ 82cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x04bf, 0x030a) }, 83cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 84cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* ALPS Modules with non-standard id */ 85cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x044e, 0x3001) }, 86cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x044e, 0x3002) }, 87cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 88cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Ericsson with non-standard id */ 89cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0bdb, 0x1002) }, 90cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 91cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Canyon CN-BTU1 with HID interfaces */ 927a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0c10, 0x0000) }, 93cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 945e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann { } /* Terminating entry */ 955e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann}; 965e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 975e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel HoltmannMODULE_DEVICE_TABLE(usb, btusb_table); 985e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 995e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic struct usb_device_id blacklist_table[] = { 100cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* CSR BlueCore devices */ 101cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, 102cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 103cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Broadcom BCM2033 without firmware */ 104cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, 105cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 106be93112accb42c5586a459683d71975cc70673caBala Shanmugam /* Atheros 3011 with sflash firmware */ 107be93112accb42c5586a459683d71975cc70673caBala Shanmugam { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, 1082a7bccccdb9604a717c2128a931f022267d35629Andy Ross { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, 109be93112accb42c5586a459683d71975cc70673caBala Shanmugam 110509e7861d8a5e26bb07b5a3a13e2b9e442283631Cho, Yu-Chen /* Atheros AR9285 Malbec with sflash firmware */ 111509e7861d8a5e26bb07b5a3a13e2b9e442283631Cho, Yu-Chen { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, 112509e7861d8a5e26bb07b5a3a13e2b9e442283631Cho, Yu-Chen 113d9f51b51db2064c9049bf7924318fd8c6ed852cbBala Shanmugam /* Atheros 3012 with sflash firmware */ 1142d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, 115d9f51b51db2064c9049bf7924318fd8c6ed852cbBala Shanmugam 116e9036e336a8e5640871e0006ea4a89982b25046fCho, Yu-Chen /* Atheros AR5BBU12 with sflash firmware */ 117e9036e336a8e5640871e0006ea4a89982b25046fCho, Yu-Chen { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, 118e9036e336a8e5640871e0006ea4a89982b25046fCho, Yu-Chen 119cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Broadcom BCM2035 */ 1207a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, 1217a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, 1227a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, 123cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 124cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Broadcom BCM2045 */ 1257a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, 1267a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, 127bdbef3d696ca83489eb653459b5a7a62ecf5596aMarcel Holtmann 128cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* IBM/Lenovo ThinkPad with Broadcom chip */ 1297a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, 1307a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, 131cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 132cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* HP laptop with Broadcom chip */ 1337a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, 134cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 135cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Dell laptop with Broadcom chip */ 1367a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, 137cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1385ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann /* Dell Wireless 370 and 410 devices */ 1397a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, 1405ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, 141cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1427a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann /* Belkin F8T012 and F8T013 devices */ 1437a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, 1447a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, 145cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1465ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann /* Asus WL-BTD202 device */ 1475ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, 1485ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann 1495ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann /* Kensington Bluetooth USB adapter */ 1505ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, 1515ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann 152cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* RTX Telecom based adapters with buggy SCO support */ 153cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, 154cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, 155cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 156cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* CONWISE Technology based adapters with buggy SCO support */ 157cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, 158cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 159cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Digianswer devices */ 160cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, 161cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, 162cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 163cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* CSR BlueCore Bluetooth Sniffer */ 164cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, 165cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 166cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Frontline ComProbe Bluetooth Sniffer */ 167cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, 168cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1695e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann { } /* Terminating entry */ 1705e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann}; 1715e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1729bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann#define BTUSB_MAX_ISOC_FRAMES 10 1739bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 1745e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#define BTUSB_INTR_RUNNING 0 1755e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#define BTUSB_BULK_RUNNING 1 1769bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann#define BTUSB_ISOC_RUNNING 2 1777bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum#define BTUSB_SUSPENDING 3 17808b8b6c454092ae19cea82787b86ee9596ae1951Gustavo F. Padovan#define BTUSB_DID_ISO_RESUME 4 1795e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1805e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstruct btusb_data { 1815e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev; 1825e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_device *udev; 1835fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann struct usb_interface *intf; 1849bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_interface *isoc; 1855e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1865e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann spinlock_t lock; 1875e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1885e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann unsigned long flags; 1895e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct work_struct work; 1917bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum struct work_struct waker; 1925e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1935e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_anchor tx_anchor; 1945e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_anchor intr_anchor; 1955e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_anchor bulk_anchor; 1969bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_anchor isoc_anchor; 1977bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum struct usb_anchor deferred; 1987bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum int tx_in_flight; 1997bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spinlock_t txlock; 2005e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2015e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_endpoint_descriptor *intr_ep; 2025e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_endpoint_descriptor *bulk_tx_ep; 2035e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_endpoint_descriptor *bulk_rx_ep; 2049bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_endpoint_descriptor *isoc_tx_ep; 2059bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_endpoint_descriptor *isoc_rx_ep; 2069bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 2077a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann __u8 cmdreq_type; 2087a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann 20943c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann unsigned int sco_num; 2109bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann int isoc_altsetting; 2116a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann int suspend_count; 2125e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann}; 2135e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2147bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumstatic int inc_tx(struct btusb_data *data) 2157bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum{ 2167bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum unsigned long flags; 2177bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum int rv; 2187bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 2197bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_lock_irqsave(&data->txlock, flags); 2207bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum rv = test_bit(BTUSB_SUSPENDING, &data->flags); 2217bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (!rv) 2227bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum data->tx_in_flight++; 2237bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_unlock_irqrestore(&data->txlock, flags); 2247bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 2257bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum return rv; 2267bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum} 2277bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 2285e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_intr_complete(struct urb *urb) 2295e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 2305e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev = urb->context; 2315e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 2325e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann int err; 2335e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2345e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s urb %p status %d count %d", hdev->name, 2355e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb, urb->status, urb->actual_length); 2365e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2375e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_bit(HCI_RUNNING, &hdev->flags)) 2385e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return; 2395e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2405e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (urb->status == 0) { 2419bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hdev->stat.byte_rx += urb->actual_length; 2429bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 2435e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (hci_recv_fragment(hdev, HCI_EVENT_PKT, 2445e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb->transfer_buffer, 2455e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb->actual_length) < 0) { 2465e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_ERR("%s corrupted event packet", hdev->name); 2475e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.err_rx++; 2485e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 2495e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 2505e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2515e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) 2525e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return; 2535e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2547bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_mark_last_busy(data->udev); 2555e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_anchor_urb(urb, &data->intr_anchor); 2565e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2575e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann err = usb_submit_urb(urb, GFP_ATOMIC); 2585e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 25961faddf661a65a179751dc9fd209cb694d9a28afStefan Seyfried if (err != -EPERM) 26061faddf661a65a179751dc9fd209cb694d9a28afStefan Seyfried BT_ERR("%s urb %p failed to resubmit (%d)", 2615e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->name, urb, -err); 2625e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_unanchor_urb(urb); 2635e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 2645e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 2655e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2662eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmannstatic int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) 2675e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 2685e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 2695e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct urb *urb; 2705e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann unsigned char *buf; 2715e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann unsigned int pipe; 2725e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann int err, size; 2735e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2745e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 2755e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2769bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->intr_ep) 2779bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 2789bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 2792eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann urb = usb_alloc_urb(0, mem_flags); 2805e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!urb) 2815e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 2825e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2835e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann size = le16_to_cpu(data->intr_ep->wMaxPacketSize); 2845e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2852eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann buf = kmalloc(size, mem_flags); 2865e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!buf) { 2875e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_free_urb(urb); 2885e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 2895e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 2905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2915e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); 2925e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2935e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_fill_int_urb(urb, data->udev, pipe, buf, size, 2945e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann btusb_intr_complete, hdev, 2955e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->intr_ep->bInterval); 2965e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2975e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb->transfer_flags |= URB_FREE_BUFFER; 2985e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2995e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_anchor_urb(urb, &data->intr_anchor); 3005e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3012eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann err = usb_submit_urb(urb, mem_flags); 3025e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 3035e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_ERR("%s urb %p submission failed (%d)", 3045e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->name, urb, -err); 3055e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_unanchor_urb(urb); 3065e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 3075e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3085e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_free_urb(urb); 3095e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3105e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return err; 3115e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 3125e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3135e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_bulk_complete(struct urb *urb) 3145e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 3155e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev = urb->context; 3165e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 3175e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann int err; 3185e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3195e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s urb %p status %d count %d", hdev->name, 3205e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb, urb->status, urb->actual_length); 3215e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3225e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_bit(HCI_RUNNING, &hdev->flags)) 3235e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return; 3245e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3255e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (urb->status == 0) { 3269bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hdev->stat.byte_rx += urb->actual_length; 3279bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 3285e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, 3295e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb->transfer_buffer, 3305e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb->actual_length) < 0) { 3315e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_ERR("%s corrupted ACL packet", hdev->name); 3325e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.err_rx++; 3335e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 3345e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 3355e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3365e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) 3375e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return; 3385e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3395e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_anchor_urb(urb, &data->bulk_anchor); 340652fd781a52ad6e24b908cd8b83d12699754f253Oliver Neukum usb_mark_last_busy(data->udev); 3415e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3425e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann err = usb_submit_urb(urb, GFP_ATOMIC); 3435e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 34461faddf661a65a179751dc9fd209cb694d9a28afStefan Seyfried if (err != -EPERM) 34561faddf661a65a179751dc9fd209cb694d9a28afStefan Seyfried BT_ERR("%s urb %p failed to resubmit (%d)", 3465e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->name, urb, -err); 3475e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_unanchor_urb(urb); 3485e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 3495e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 3505e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3512eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmannstatic int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) 3525e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 3535e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 3545e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct urb *urb; 3555e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann unsigned char *buf; 3565e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann unsigned int pipe; 357290ba200815fdecb4d40dc942499c4ea6d0c4624Vikram Kandukuri int err, size = HCI_MAX_FRAME_SIZE; 3585e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3595e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 3605e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3619bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->bulk_rx_ep) 3629bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 3639bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 3642eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann urb = usb_alloc_urb(0, mem_flags); 3655e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!urb) 3665e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 3675e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3682eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann buf = kmalloc(size, mem_flags); 3695e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!buf) { 3705e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_free_urb(urb); 3715e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 3725e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 3735e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3745e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); 3755e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3765e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_fill_bulk_urb(urb, data->udev, pipe, 3775e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann buf, size, btusb_bulk_complete, hdev); 3785e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3795e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb->transfer_flags |= URB_FREE_BUFFER; 3805e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3817bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_mark_last_busy(data->udev); 3825e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_anchor_urb(urb, &data->bulk_anchor); 3835e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3842eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann err = usb_submit_urb(urb, mem_flags); 3855e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 3865e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_ERR("%s urb %p submission failed (%d)", 3875e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->name, urb, -err); 3885e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_unanchor_urb(urb); 3895e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 3905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3915e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_free_urb(urb); 3925e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3935e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return err; 3945e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 3955e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3969bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmannstatic void btusb_isoc_complete(struct urb *urb) 3979bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann{ 3989bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct hci_dev *hdev = urb->context; 3999bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct btusb_data *data = hdev->driver_data; 4009bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann int i, err; 4019bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4029bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_DBG("%s urb %p status %d count %d", hdev->name, 4039bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb, urb->status, urb->actual_length); 4049bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4059bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!test_bit(HCI_RUNNING, &hdev->flags)) 4069bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return; 4079bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4089bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (urb->status == 0) { 4099bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann for (i = 0; i < urb->number_of_packets; i++) { 4109bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann unsigned int offset = urb->iso_frame_desc[i].offset; 4119bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann unsigned int length = urb->iso_frame_desc[i].actual_length; 4129bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4139bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (urb->iso_frame_desc[i].status) 4149bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann continue; 4159bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4169bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hdev->stat.byte_rx += length; 4179bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4189bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, 4199bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->transfer_buffer + offset, 4209bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann length) < 0) { 4219bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_ERR("%s corrupted SCO packet", hdev->name); 4229bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hdev->stat.err_rx++; 4239bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 4249bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 4259bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 4269bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4279bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) 4289bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return; 4299bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4309bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_anchor_urb(urb, &data->isoc_anchor); 4319bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4329bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann err = usb_submit_urb(urb, GFP_ATOMIC); 4339bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (err < 0) { 43461faddf661a65a179751dc9fd209cb694d9a28afStefan Seyfried if (err != -EPERM) 43561faddf661a65a179751dc9fd209cb694d9a28afStefan Seyfried BT_ERR("%s urb %p failed to resubmit (%d)", 4369bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hdev->name, urb, -err); 4379bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_unanchor_urb(urb); 4389bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 4399bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann} 4409bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 44142b16b3fbb5ee4555f5dee6220f3ccaa6e1ebe47Jesper Juhlstatic inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) 4429bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann{ 4439bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann int i, offset = 0; 4449bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4459bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_DBG("len %d mtu %d", len, mtu); 4469bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4479bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; 4489bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann i++, offset += mtu, len -= mtu) { 4499bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->iso_frame_desc[i].offset = offset; 4509bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->iso_frame_desc[i].length = mtu; 4519bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 4529bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4539bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (len && i < BTUSB_MAX_ISOC_FRAMES) { 4549bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->iso_frame_desc[i].offset = offset; 4559bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->iso_frame_desc[i].length = len; 4569bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann i++; 4579bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 4589bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4599bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->number_of_packets = i; 4609bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann} 4619bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4622eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmannstatic int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) 4639bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann{ 4649bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct btusb_data *data = hdev->driver_data; 4659bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct urb *urb; 4669bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann unsigned char *buf; 4679bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann unsigned int pipe; 4689bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann int err, size; 4699bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4709bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_DBG("%s", hdev->name); 4719bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4729bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->isoc_rx_ep) 4739bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 4749bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4752eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); 4769bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!urb) 4779bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENOMEM; 4789bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4799bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * 4809bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BTUSB_MAX_ISOC_FRAMES; 4819bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4822eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann buf = kmalloc(size, mem_flags); 4839bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!buf) { 4849bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_free_urb(urb); 4859bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENOMEM; 4869bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 4879bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4889bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); 4899bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4909bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->dev = data->udev; 4919bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->pipe = pipe; 4929bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->context = hdev; 4939bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->complete = btusb_isoc_complete; 4949bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->interval = data->isoc_rx_ep->bInterval; 4959bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4969bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; 4979bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->transfer_buffer = buf; 4989bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->transfer_buffer_length = size; 4999bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5009bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann __fill_isoc_descriptor(urb, size, 5019bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); 5029bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5039bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_anchor_urb(urb, &data->isoc_anchor); 5049bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5052eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann err = usb_submit_urb(urb, mem_flags); 5069bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (err < 0) { 5079bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_ERR("%s urb %p submission failed (%d)", 5089bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hdev->name, urb, -err); 5099bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_unanchor_urb(urb); 5109bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 5119bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5129bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_free_urb(urb); 5139bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5149bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return err; 5159bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann} 5169bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5175e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_tx_complete(struct urb *urb) 5185e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 5195e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct sk_buff *skb = urb->context; 5205e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev = (struct hci_dev *) skb->dev; 5217bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum struct btusb_data *data = hdev->driver_data; 5227bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 5237bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum BT_DBG("%s urb %p status %d count %d", hdev->name, 5247bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum urb, urb->status, urb->actual_length); 5257bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 5267bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (!test_bit(HCI_RUNNING, &hdev->flags)) 5277bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum goto done; 5287bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 5297bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (!urb->status) 5307bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum hdev->stat.byte_tx += urb->transfer_buffer_length; 5317bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum else 5327bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum hdev->stat.err_tx++; 5337bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 5347bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumdone: 5357bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_lock(&data->txlock); 5367bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum data->tx_in_flight--; 5377bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_unlock(&data->txlock); 5387bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 5397bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum kfree(urb->setup_packet); 5407bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 5417bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum kfree_skb(skb); 5427bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum} 5437bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 5447bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumstatic void btusb_isoc_tx_complete(struct urb *urb) 5457bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum{ 5467bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum struct sk_buff *skb = urb->context; 5477bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum struct hci_dev *hdev = (struct hci_dev *) skb->dev; 5485e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5495e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s urb %p status %d count %d", hdev->name, 5505e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb, urb->status, urb->actual_length); 5515e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5525e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_bit(HCI_RUNNING, &hdev->flags)) 5535e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann goto done; 5545e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5555e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!urb->status) 5565e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.byte_tx += urb->transfer_buffer_length; 5575e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann else 5585e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.err_tx++; 5595e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5605e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmanndone: 5615e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree(urb->setup_packet); 5625e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5635e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree_skb(skb); 5645e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 5655e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5665e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic int btusb_open(struct hci_dev *hdev) 5675e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 5685e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 5695e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann int err; 5705e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5715e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 5725e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5737bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum err = usb_autopm_get_interface(data->intf); 5747bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (err < 0) 5757bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum return err; 5767bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 5777bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum data->intf->needs_remote_wakeup = 1; 5787bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 5795e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) 5807bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum goto done; 5815e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5825e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) 5837bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum goto done; 5845e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5852eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann err = btusb_submit_intr_urb(hdev, GFP_KERNEL); 58643c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann if (err < 0) 58743c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann goto failed; 58843c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann 58943c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); 5905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 59143c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann usb_kill_anchored_urbs(&data->intr_anchor); 59243c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann goto failed; 5935e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 5945e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 59543c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann set_bit(BTUSB_BULK_RUNNING, &data->flags); 59643c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann btusb_submit_bulk_urb(hdev, GFP_KERNEL); 59743c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann 5987bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumdone: 5997bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_autopm_put_interface(data->intf); 60043c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann return 0; 60143c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann 60243c2e57f94c15744495fee564610aa24602b3824Marcel Holtmannfailed: 60343c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann clear_bit(BTUSB_INTR_RUNNING, &data->flags); 60443c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann clear_bit(HCI_RUNNING, &hdev->flags); 6057bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_autopm_put_interface(data->intf); 6065e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return err; 6075e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 6085e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6097bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumstatic void btusb_stop_traffic(struct btusb_data *data) 6107bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum{ 6117bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_kill_anchored_urbs(&data->intr_anchor); 6127bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_kill_anchored_urbs(&data->bulk_anchor); 6137bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_kill_anchored_urbs(&data->isoc_anchor); 6147bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum} 6157bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 6165e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic int btusb_close(struct hci_dev *hdev) 6175e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 6185e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 6197bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum int err; 6205e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6215e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 6225e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6235e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) 6245e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return 0; 6255e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 626e8c3c3d22b340a406a9aab1b7a9f436636c3de9dMarcel Holtmann cancel_work_sync(&data->work); 627404291ac9e72d118fcadeb939a69b2caa0a0e9caLinus Torvalds cancel_work_sync(&data->waker); 628e8c3c3d22b340a406a9aab1b7a9f436636c3de9dMarcel Holtmann 6299bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 6305e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann clear_bit(BTUSB_BULK_RUNNING, &data->flags); 6315e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann clear_bit(BTUSB_INTR_RUNNING, &data->flags); 6327bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 6337bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum btusb_stop_traffic(data); 6347bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum err = usb_autopm_get_interface(data->intf); 6357bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (err < 0) 6367b8e2c1db0f358bc389dd1ee4633a92d80a5a6d0Oliver Neukum goto failed; 6377bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 6387bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum data->intf->needs_remote_wakeup = 0; 6397bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_autopm_put_interface(data->intf); 6405e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6417b8e2c1db0f358bc389dd1ee4633a92d80a5a6d0Oliver Neukumfailed: 6427b8e2c1db0f358bc389dd1ee4633a92d80a5a6d0Oliver Neukum usb_scuttle_anchored_urbs(&data->deferred); 6435e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return 0; 6445e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 6455e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6465e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic int btusb_flush(struct hci_dev *hdev) 6475e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 6485e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 6495e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6505e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 6515e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6525e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_kill_anchored_urbs(&data->tx_anchor); 6535e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6545e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return 0; 6555e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 6565e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6575e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic int btusb_send_frame(struct sk_buff *skb) 6585e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 6595e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev = (struct hci_dev *) skb->dev; 6605e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 6615e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_ctrlrequest *dr; 6625e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct urb *urb; 6635e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann unsigned int pipe; 6645e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann int err; 6655e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6665e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 6675e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6685e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_bit(HCI_RUNNING, &hdev->flags)) 6695e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -EBUSY; 6705e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6715e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann switch (bt_cb(skb)->pkt_type) { 6725e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann case HCI_COMMAND_PKT: 6735e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb = usb_alloc_urb(0, GFP_ATOMIC); 6745e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!urb) 6755e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 6765e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6775e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann dr = kmalloc(sizeof(*dr), GFP_ATOMIC); 6785e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!dr) { 6795e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_free_urb(urb); 6805e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 6815e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 6825e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6837a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann dr->bRequestType = data->cmdreq_type; 6845e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann dr->bRequest = 0; 6855e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann dr->wIndex = 0; 6865e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann dr->wValue = 0; 6875e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann dr->wLength = __cpu_to_le16(skb->len); 6885e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6895e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann pipe = usb_sndctrlpipe(data->udev, 0x00); 6905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6915e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, 6925e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann skb->data, skb->len, btusb_tx_complete, skb); 6935e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6945e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.cmd_tx++; 6955e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann break; 6965e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6975e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann case HCI_ACLDATA_PKT: 6988693ac900e230c85d6fff428984a0f983330844dVinicius Costa Gomes if (!data->bulk_tx_ep || (hdev->conn_hash.acl_num < 1 && 6998693ac900e230c85d6fff428984a0f983330844dVinicius Costa Gomes hdev->conn_hash.le_num < 1)) 7009bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 7019bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7025e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb = usb_alloc_urb(0, GFP_ATOMIC); 7035e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!urb) 7045e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 7055e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7065e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann pipe = usb_sndbulkpipe(data->udev, 7075e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->bulk_tx_ep->bEndpointAddress); 7085e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7095e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_fill_bulk_urb(urb, data->udev, pipe, 7105e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann skb->data, skb->len, btusb_tx_complete, skb); 7115e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7125e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.acl_tx++; 7135e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann break; 7145e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7155e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann case HCI_SCODATA_PKT: 7169bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) 7179bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 7189bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7199bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); 7209bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!urb) 7219bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENOMEM; 7229bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7239bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann pipe = usb_sndisocpipe(data->udev, 7249bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc_tx_ep->bEndpointAddress); 7259bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 72603c2d0e89409b59c1ec9d9511533cedc0b7aaa69Gustavo F. Padovan usb_fill_int_urb(urb, data->udev, pipe, 72703c2d0e89409b59c1ec9d9511533cedc0b7aaa69Gustavo F. Padovan skb->data, skb->len, btusb_isoc_tx_complete, 72803c2d0e89409b59c1ec9d9511533cedc0b7aaa69Gustavo F. Padovan skb, data->isoc_tx_ep->bInterval); 7299bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7309bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->transfer_flags = URB_ISO_ASAP; 7319bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7329bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann __fill_isoc_descriptor(urb, skb->len, 7339bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); 7349bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7355e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.sco_tx++; 7367bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum goto skip_waking; 7375e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7385e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann default: 7395e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -EILSEQ; 7405e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 7415e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7427bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum err = inc_tx(data); 7437bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (err) { 7447bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_anchor_urb(urb, &data->deferred); 7457bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum schedule_work(&data->waker); 7467bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum err = 0; 7477bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum goto done; 7487bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum } 7497bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 7507bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumskip_waking: 7515e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_anchor_urb(urb, &data->tx_anchor); 7525e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7535e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann err = usb_submit_urb(urb, GFP_ATOMIC); 7545e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 7555e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_ERR("%s urb %p submission failed", hdev->name, urb); 7565e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree(urb->setup_packet); 7575e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_unanchor_urb(urb); 7587bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum } else { 7597bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_mark_last_busy(data->udev); 7605e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 7615e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7625e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_free_urb(urb); 7635e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7647bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumdone: 7655e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return err; 7665e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 7675e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7685e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_destruct(struct hci_dev *hdev) 7695e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 7705e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 7715e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7725e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 7735e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7745e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree(data); 7755e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 7765e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7775e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_notify(struct hci_dev *hdev, unsigned int evt) 7785e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 7795e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 7805e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7815e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s evt %d", hdev->name, evt); 7825e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 78343c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann if (hdev->conn_hash.sco_num != data->sco_num) { 78443c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann data->sco_num = hdev->conn_hash.sco_num; 78543c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann schedule_work(&data->work); 786a780efa8124fe7ef23d8ef844d56afe960356615Marcel Holtmann } 7875e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 7885e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 78942b16b3fbb5ee4555f5dee6220f3ccaa6e1ebe47Jesper Juhlstatic inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) 7909bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann{ 7919bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct btusb_data *data = hdev->driver_data; 7929bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_interface *intf = data->isoc; 7939bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_endpoint_descriptor *ep_desc; 7949bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann int i, err; 7959bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7969bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->isoc) 7979bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 7989bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7999bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann err = usb_set_interface(data->udev, 1, altsetting); 8009bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (err < 0) { 8019bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_ERR("%s setting interface failed (%d)", hdev->name, -err); 8029bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return err; 8039bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 8049bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8059bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc_altsetting = altsetting; 8069bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8079bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc_tx_ep = NULL; 8089bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc_rx_ep = NULL; 8099bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8109bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { 8119bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann ep_desc = &intf->cur_altsetting->endpoint[i].desc; 8129bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8139bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { 8149bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc_tx_ep = ep_desc; 8159bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann continue; 8169bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 8179bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8189bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { 8199bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc_rx_ep = ep_desc; 8209bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann continue; 8219bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 8229bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 8239bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8249bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->isoc_tx_ep || !data->isoc_rx_ep) { 8259bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_ERR("%s invalid SCO descriptors", hdev->name); 8269bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 8279bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 8289bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8299bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return 0; 8309bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann} 8319bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8325e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_work(struct work_struct *work) 8335e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 8345e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = container_of(work, struct btusb_data, work); 8355e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev = data->hdev; 8367bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum int err; 8375e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 8389bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (hdev->conn_hash.sco_num > 0) { 83908b8b6c454092ae19cea82787b86ee9596ae1951Gustavo F. Padovan if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { 8408efdd0cdc54f3bb5db464b3baf88f7441f54da47Oliver Neukum err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); 8417bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (err < 0) { 8427bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 8437bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_kill_anchored_urbs(&data->isoc_anchor); 8447bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum return; 8457bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum } 8467bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 84708b8b6c454092ae19cea82787b86ee9596ae1951Gustavo F. Padovan set_bit(BTUSB_DID_ISO_RESUME, &data->flags); 8487bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum } 8499bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (data->isoc_altsetting != 2) { 8509bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 8519bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_kill_anchored_urbs(&data->isoc_anchor); 8529bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8539bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (__set_isoc_interface(hdev, 2) < 0) 8549bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return; 8559bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 8569bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8579bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { 8582eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) 8599bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 8609bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann else 8612eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann btusb_submit_isoc_urb(hdev, GFP_KERNEL); 8629bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 8639bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } else { 8649bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 8659bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_kill_anchored_urbs(&data->isoc_anchor); 8669bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8679bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann __set_isoc_interface(hdev, 0); 86808b8b6c454092ae19cea82787b86ee9596ae1951Gustavo F. Padovan if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) 8698efdd0cdc54f3bb5db464b3baf88f7441f54da47Oliver Neukum usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); 8705e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 8715e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 8725e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 8737bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumstatic void btusb_waker(struct work_struct *work) 8747bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum{ 8757bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum struct btusb_data *data = container_of(work, struct btusb_data, waker); 8767bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum int err; 8777bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 8787bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum err = usb_autopm_get_interface(data->intf); 8797bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (err < 0) 8807bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum return; 8817bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 8827bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_autopm_put_interface(data->intf); 8837bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum} 8847bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 8855e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic int btusb_probe(struct usb_interface *intf, 8865e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann const struct usb_device_id *id) 8875e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 8885e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_endpoint_descriptor *ep_desc; 8895e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data; 8905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev; 8915e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann int i, err; 8925e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 8935e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("intf %p id %p", intf, id); 8945e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 895cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* interface numbers are hardcoded in the spec */ 8965e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (intf->cur_altsetting->desc.bInterfaceNumber != 0) 8975e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENODEV; 8985e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 8995e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!id->driver_info) { 9005e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann const struct usb_device_id *match; 9015e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann match = usb_match_id(intf, blacklist_table); 9025e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (match) 9035e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann id = match; 9045e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 9055e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 906cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (id->driver_info == BTUSB_IGNORE) 907cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann return -ENODEV; 908cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 909cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) 910cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann return -ENODEV; 911cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 912cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (ignore_csr && id->driver_info & BTUSB_CSR) 913cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann return -ENODEV; 914cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 915cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) 916cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann return -ENODEV; 917cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 9182d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li if (id->driver_info & BTUSB_ATH3012) { 9192d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li struct usb_device *udev = interface_to_usbdev(intf); 9202d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li 9212d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li /* Old firmware would otherwise let ath3k driver load 9222d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li * patch and sysconfig files */ 9232d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) 9242d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li return -ENODEV; 9252d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li } 9262d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li 9275e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data = kzalloc(sizeof(*data), GFP_KERNEL); 9285e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!data) 9295e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 9305e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9315e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { 9325e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann ep_desc = &intf->cur_altsetting->endpoint[i].desc; 9335e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9345e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { 9355e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->intr_ep = ep_desc; 9365e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann continue; 9375e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 9385e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9395e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { 9405e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->bulk_tx_ep = ep_desc; 9415e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann continue; 9425e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 9435e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9445e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { 9455e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->bulk_rx_ep = ep_desc; 9465e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann continue; 9475e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 9485e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 9495e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9505e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) { 9515e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree(data); 9525e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENODEV; 9535e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 9545e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9557a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann data->cmdreq_type = USB_TYPE_CLASS; 9567a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann 9575e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->udev = interface_to_usbdev(intf); 9585fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann data->intf = intf; 9595e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9605e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann spin_lock_init(&data->lock); 9615e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9625e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann INIT_WORK(&data->work, btusb_work); 9637bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum INIT_WORK(&data->waker, btusb_waker); 9647bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_lock_init(&data->txlock); 9655e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9665e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann init_usb_anchor(&data->tx_anchor); 9675e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann init_usb_anchor(&data->intr_anchor); 9685e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann init_usb_anchor(&data->bulk_anchor); 9699bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann init_usb_anchor(&data->isoc_anchor); 9707bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum init_usb_anchor(&data->deferred); 9715e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9725e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev = hci_alloc_dev(); 9735e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!hdev) { 9745e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree(data); 9755e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 9765e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 9775e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 978c13854cef4751000b968d4e8ac95796562d5b96fMarcel Holtmann hdev->bus = HCI_USB; 9795e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->driver_data = data; 9805e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9815e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->hdev = hdev; 9825e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9835e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann SET_HCIDEV_DEV(hdev, &intf->dev); 9845e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9855e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->open = btusb_open; 9865e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->close = btusb_close; 9875e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->flush = btusb_flush; 9885e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->send = btusb_send_frame; 9895e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->destruct = btusb_destruct; 9905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->notify = btusb_notify; 9915e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9925e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->owner = THIS_MODULE; 9935e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9947a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann /* Interface numbers are hardcoded in the specification */ 9959bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc = usb_ifnum_to_if(data->udev, 1); 9969bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 9977a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann if (!reset) 9987a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); 999cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1000cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { 1001cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (!disable_scofix) 1002cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); 1003cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann } 1004cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 10059bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (id->driver_info & BTUSB_BROKEN_ISOC) 10069bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc = NULL; 10079bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 10087a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann if (id->driver_info & BTUSB_DIGIANSWER) { 10097a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann data->cmdreq_type = USB_TYPE_VENDOR; 10107a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); 10117a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann } 10127a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann 10137a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann if (id->driver_info & BTUSB_CSR) { 10147a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann struct usb_device *udev = data->udev; 10157a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann 10167a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann /* Old firmware would otherwise execute USB reset */ 10177a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) 10187a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); 10197a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann } 10207a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann 1021cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (id->driver_info & BTUSB_SNIFFER) { 10229bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_device *udev = data->udev; 1023cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 10247a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann /* New sniffer firmware has crippled HCI interface */ 1025cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) 1026cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); 10279bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 10289bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc = NULL; 1029cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann } 1030cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1031cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (id->driver_info & BTUSB_BCM92035) { 1032cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 }; 1033cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann struct sk_buff *skb; 1034cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1035cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); 1036cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (skb) { 1037cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); 1038cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann skb_queue_tail(&hdev->driver_init, skb); 1039cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann } 1040cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann } 10415e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10429bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (data->isoc) { 10439bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann err = usb_driver_claim_interface(&btusb_driver, 10445fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann data->isoc, data); 10459bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (err < 0) { 10469bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hci_free_dev(hdev); 10479bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann kfree(data); 10489bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return err; 10499bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 10509bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 10519bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 10525e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann err = hci_register_dev(hdev); 10535e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 10545e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hci_free_dev(hdev); 10555e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree(data); 10565e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return err; 10575e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 10585e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10595e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_set_intfdata(intf, data); 10605e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10615e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return 0; 10625e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 10635e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10645e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_disconnect(struct usb_interface *intf) 10655e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 10665e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = usb_get_intfdata(intf); 10675e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev; 10685e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10695e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("intf %p", intf); 10705e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10715e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!data) 10725e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return; 10735e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10745e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev = data->hdev; 10755e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10765fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann __hci_dev_hold(hdev); 10779bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 10785fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann usb_set_intfdata(data->intf, NULL); 10795fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann 10805fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann if (data->isoc) 10815fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann usb_set_intfdata(data->isoc, NULL); 10825e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10835e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hci_unregister_dev(hdev); 10845e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10855fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann if (intf == data->isoc) 10865fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann usb_driver_release_interface(&btusb_driver, data->intf); 10875fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann else if (data->isoc) 10885fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann usb_driver_release_interface(&btusb_driver, data->isoc); 10895fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann 10905fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann __hci_dev_put(hdev); 10915fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann 10925e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hci_free_dev(hdev); 10935e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 10945e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10957bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum#ifdef CONFIG_PM 10966a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmannstatic int btusb_suspend(struct usb_interface *intf, pm_message_t message) 10976a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann{ 10986a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann struct btusb_data *data = usb_get_intfdata(intf); 10996a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11006a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann BT_DBG("intf %p", intf); 11016a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11026a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (data->suspend_count++) 11036a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann return 0; 11046a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11057bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_lock_irq(&data->txlock); 11065b1b0b812a7b1a5b968c5d06d90d1cb88621b941Alan Stern if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { 11077bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum set_bit(BTUSB_SUSPENDING, &data->flags); 11087bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_unlock_irq(&data->txlock); 11097bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum } else { 11107bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_unlock_irq(&data->txlock); 11117bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum data->suspend_count--; 11127bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum return -EBUSY; 11137bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum } 11147bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 11156a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann cancel_work_sync(&data->work); 11166a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11177bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum btusb_stop_traffic(data); 11186a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann usb_kill_anchored_urbs(&data->tx_anchor); 11196a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11206a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann return 0; 11216a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann} 11226a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11237bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumstatic void play_deferred(struct btusb_data *data) 11247bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum{ 11257bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum struct urb *urb; 11267bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum int err; 11277bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 11287bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum while ((urb = usb_get_from_anchor(&data->deferred))) { 11297bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum err = usb_submit_urb(urb, GFP_ATOMIC); 11307bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (err < 0) 11317bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum break; 11327bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 11337bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum data->tx_in_flight++; 11347bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum } 11357bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_scuttle_anchored_urbs(&data->deferred); 11367bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum} 11377bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 11386a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmannstatic int btusb_resume(struct usb_interface *intf) 11396a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann{ 11406a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann struct btusb_data *data = usb_get_intfdata(intf); 11416a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann struct hci_dev *hdev = data->hdev; 11427bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum int err = 0; 11436a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11446a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann BT_DBG("intf %p", intf); 11456a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11466a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (--data->suspend_count) 11476a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann return 0; 11486a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11496a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (!test_bit(HCI_RUNNING, &hdev->flags)) 11507bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum goto done; 11516a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11526a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { 11536a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann err = btusb_submit_intr_urb(hdev, GFP_NOIO); 11546a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (err < 0) { 11556a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann clear_bit(BTUSB_INTR_RUNNING, &data->flags); 11567bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum goto failed; 11576a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann } 11586a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann } 11596a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11606a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { 116143c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann err = btusb_submit_bulk_urb(hdev, GFP_NOIO); 116243c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann if (err < 0) { 11636a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann clear_bit(BTUSB_BULK_RUNNING, &data->flags); 11647bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum goto failed; 11657bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum } 11667bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 11677bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum btusb_submit_bulk_urb(hdev, GFP_NOIO); 11686a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann } 11696a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11706a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { 11716a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) 11726a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 11736a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann else 11746a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann btusb_submit_isoc_urb(hdev, GFP_NOIO); 11756a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann } 11766a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11777bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_lock_irq(&data->txlock); 11787bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum play_deferred(data); 11797bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum clear_bit(BTUSB_SUSPENDING, &data->flags); 11807bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_unlock_irq(&data->txlock); 11817bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum schedule_work(&data->work); 11827bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 11836a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann return 0; 11847bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 11857bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumfailed: 11867bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_scuttle_anchored_urbs(&data->deferred); 11877bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumdone: 11887bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_lock_irq(&data->txlock); 11897bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum clear_bit(BTUSB_SUSPENDING, &data->flags); 11907bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_unlock_irq(&data->txlock); 11917bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 11927bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum return err; 11936a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann} 11947bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum#endif 11956a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11965e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic struct usb_driver btusb_driver = { 11975e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann .name = "btusb", 11985e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann .probe = btusb_probe, 11995e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann .disconnect = btusb_disconnect, 12007bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum#ifdef CONFIG_PM 12016a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann .suspend = btusb_suspend, 12026a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann .resume = btusb_resume, 12037bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum#endif 12045e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann .id_table = btusb_table, 12057bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum .supports_autosuspend = 1, 12065e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann}; 12075e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 12085e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic int __init btusb_init(void) 12095e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 12105e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_INFO("Generic Bluetooth USB driver ver %s", VERSION); 12115e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 12125e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return usb_register(&btusb_driver); 12135e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 12145e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 12155e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void __exit btusb_exit(void) 12165e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 12175e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_deregister(&btusb_driver); 12185e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 12195e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 12205e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannmodule_init(btusb_init); 12215e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannmodule_exit(btusb_exit); 12225e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1223cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannmodule_param(ignore_dga, bool, 0644); 1224cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel HoltmannMODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); 1225cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1226cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannmodule_param(ignore_csr, bool, 0644); 1227cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel HoltmannMODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); 1228cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1229cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannmodule_param(ignore_sniffer, bool, 0644); 1230cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel HoltmannMODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); 1231cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1232cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannmodule_param(disable_scofix, bool, 0644); 1233cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel HoltmannMODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); 1234cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1235cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannmodule_param(force_scofix, bool, 0644); 1236cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel HoltmannMODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); 1237cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1238cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannmodule_param(reset, bool, 0644); 1239cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel HoltmannMODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); 1240cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 12415e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel HoltmannMODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); 12425e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel HoltmannMODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); 12435e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel HoltmannMODULE_VERSION(VERSION); 12445e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel HoltmannMODULE_LICENSE("GPL"); 1245