btusb.c revision 5a9b80e2cd993f77d6d068470a4fd77fdfae44ab
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 63c510eae377c773241ff0b6369a8f3581da941a51Oliver Neukum /* Broadcom SoftSailing reporting vendor specific */ 64c510eae377c773241ff0b6369a8f3581da941a51Oliver Neukum { USB_DEVICE(0x05ac, 0x21e1) }, 65c510eae377c773241ff0b6369a8f3581da941a51Oliver Neukum 663cd01976e702ccaffb907727caff4f8789353599Nobuhiro Iwamatsu /* Apple MacBookPro 7,1 */ 673cd01976e702ccaffb907727caff4f8789353599Nobuhiro Iwamatsu { USB_DEVICE(0x05ac, 0x8213) }, 683cd01976e702ccaffb907727caff4f8789353599Nobuhiro Iwamatsu 690a79f67445de50ca0a8dc1d34f3cc406d89c28b2Cyril Lacoux /* Apple iMac11,1 */ 700a79f67445de50ca0a8dc1d34f3cc406d89c28b2Cyril Lacoux { USB_DEVICE(0x05ac, 0x8215) }, 710a79f67445de50ca0a8dc1d34f3cc406d89c28b2Cyril Lacoux 729c047157a20521cd525527947b13b950d168d2e6Nobuhiro Iwamatsu /* Apple MacBookPro6,2 */ 739c047157a20521cd525527947b13b950d168d2e6Nobuhiro Iwamatsu { USB_DEVICE(0x05ac, 0x8218) }, 749c047157a20521cd525527947b13b950d168d2e6Nobuhiro Iwamatsu 753e3ede7dda2d77d2cbec608e663b6a6ace501bfcEdgar (gimli) Hucek /* Apple MacBookAir3,1, MacBookAir3,2 */ 763e3ede7dda2d77d2cbec608e663b6a6ace501bfcEdgar (gimli) Hucek { USB_DEVICE(0x05ac, 0x821b) }, 773e3ede7dda2d77d2cbec608e663b6a6ace501bfcEdgar (gimli) Hucek 78a63b723d02531f7add0b2b8a0e6a77ee176f1626Pieter-Augustijn Van Malleghem /* Apple MacBookAir4,1 */ 79a63b723d02531f7add0b2b8a0e6a77ee176f1626Pieter-Augustijn Van Malleghem { USB_DEVICE(0x05ac, 0x821f) }, 80a63b723d02531f7add0b2b8a0e6a77ee176f1626Pieter-Augustijn Van Malleghem 8188d377b6c3c28ee54cd4c76bfe6e60f2d9bf6ae1Marc-Antoine Perennou /* Apple MacBookPro8,2 */ 8288d377b6c3c28ee54cd4c76bfe6e60f2d9bf6ae1Marc-Antoine Perennou { USB_DEVICE(0x05ac, 0x821a) }, 8388d377b6c3c28ee54cd4c76bfe6e60f2d9bf6ae1Marc-Antoine Perennou 84f78b68261e80899f81a21dfdf91e2a1456ea8175Jurgen Kramer /* Apple MacMini5,1 */ 85f78b68261e80899f81a21dfdf91e2a1456ea8175Jurgen Kramer { USB_DEVICE(0x05ac, 0x8281) }, 86f78b68261e80899f81a21dfdf91e2a1456ea8175Jurgen Kramer 87cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* AVM BlueFRITZ! USB v2.0 */ 88cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x057c, 0x3800) }, 89cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 90cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Bluetooth Ultraport Module from IBM */ 91cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x04bf, 0x030a) }, 92cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 93cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* ALPS Modules with non-standard id */ 94cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x044e, 0x3001) }, 95cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x044e, 0x3002) }, 96cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 97cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Ericsson with non-standard id */ 98cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0bdb, 0x1002) }, 99cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 100cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Canyon CN-BTU1 with HID interfaces */ 1017a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0c10, 0x0000) }, 102cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1035e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann { } /* Terminating entry */ 1045e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann}; 1055e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1065e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel HoltmannMODULE_DEVICE_TABLE(usb, btusb_table); 1075e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1085e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic struct usb_device_id blacklist_table[] = { 109cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* CSR BlueCore devices */ 110cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, 111cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 112cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Broadcom BCM2033 without firmware */ 113cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, 114cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 115be93112accb42c5586a459683d71975cc70673caBala Shanmugam /* Atheros 3011 with sflash firmware */ 116be93112accb42c5586a459683d71975cc70673caBala Shanmugam { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, 1172a7bccccdb9604a717c2128a931f022267d35629Andy Ross { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, 1188e7c3d2e4ba18ee4cdcc1f89aec944fbff4ce735Ricardo Mendoza { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, 119be93112accb42c5586a459683d71975cc70673caBala Shanmugam 120509e7861d8a5e26bb07b5a3a13e2b9e442283631Cho, Yu-Chen /* Atheros AR9285 Malbec with sflash firmware */ 121509e7861d8a5e26bb07b5a3a13e2b9e442283631Cho, Yu-Chen { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, 122509e7861d8a5e26bb07b5a3a13e2b9e442283631Cho, Yu-Chen 123d9f51b51db2064c9049bf7924318fd8c6ed852cbBala Shanmugam /* Atheros 3012 with sflash firmware */ 1242d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, 125d9f51b51db2064c9049bf7924318fd8c6ed852cbBala Shanmugam 126e9036e336a8e5640871e0006ea4a89982b25046fCho, Yu-Chen /* Atheros AR5BBU12 with sflash firmware */ 127e9036e336a8e5640871e0006ea4a89982b25046fCho, Yu-Chen { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, 128e9036e336a8e5640871e0006ea4a89982b25046fCho, Yu-Chen 129cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Broadcom BCM2035 */ 1307a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, 1317a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, 1327a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, 133cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 134cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Broadcom BCM2045 */ 1357a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, 1367a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, 137bdbef3d696ca83489eb653459b5a7a62ecf5596aMarcel Holtmann 138cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* IBM/Lenovo ThinkPad with Broadcom chip */ 1397a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, 1407a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, 141cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 142cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* HP laptop with Broadcom chip */ 1437a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, 144cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 145cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Dell laptop with Broadcom chip */ 1467a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, 147cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1485ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann /* Dell Wireless 370 and 410 devices */ 1497a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, 1505ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, 151cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1527a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann /* Belkin F8T012 and F8T013 devices */ 1537a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, 1547a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, 155cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1565ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann /* Asus WL-BTD202 device */ 1575ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, 1585ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann 1595ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann /* Kensington Bluetooth USB adapter */ 1605ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, 1615ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann 162cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* RTX Telecom based adapters with buggy SCO support */ 163cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, 164cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, 165cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 166cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* CONWISE Technology based adapters with buggy SCO support */ 167cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, 168cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 169cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Digianswer devices */ 170cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, 171cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, 172cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 173cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* CSR BlueCore Bluetooth Sniffer */ 174cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, 175cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 176cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Frontline ComProbe Bluetooth Sniffer */ 177cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, 178cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1795e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann { } /* Terminating entry */ 1805e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann}; 1815e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1829bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann#define BTUSB_MAX_ISOC_FRAMES 10 1839bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 1845e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#define BTUSB_INTR_RUNNING 0 1855e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#define BTUSB_BULK_RUNNING 1 1869bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann#define BTUSB_ISOC_RUNNING 2 1877bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum#define BTUSB_SUSPENDING 3 18808b8b6c454092ae19cea82787b86ee9596ae1951Gustavo F. Padovan#define BTUSB_DID_ISO_RESUME 4 1895e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstruct btusb_data { 1915e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev; 1925e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_device *udev; 1935fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann struct usb_interface *intf; 1949bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_interface *isoc; 1955e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1965e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann spinlock_t lock; 1975e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1985e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann unsigned long flags; 1995e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2005e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct work_struct work; 2017bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum struct work_struct waker; 2025e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2035e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_anchor tx_anchor; 2045e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_anchor intr_anchor; 2055e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_anchor bulk_anchor; 2069bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_anchor isoc_anchor; 2077bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum struct usb_anchor deferred; 2087bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum int tx_in_flight; 2097bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spinlock_t txlock; 2105e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2115e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_endpoint_descriptor *intr_ep; 2125e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_endpoint_descriptor *bulk_tx_ep; 2135e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_endpoint_descriptor *bulk_rx_ep; 2149bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_endpoint_descriptor *isoc_tx_ep; 2159bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_endpoint_descriptor *isoc_rx_ep; 2169bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 2177a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann __u8 cmdreq_type; 2187a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann 21943c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann unsigned int sco_num; 2209bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann int isoc_altsetting; 2216a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann int suspend_count; 2225e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann}; 2235e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2247bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumstatic int inc_tx(struct btusb_data *data) 2257bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum{ 2267bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum unsigned long flags; 2277bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum int rv; 2287bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 2297bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_lock_irqsave(&data->txlock, flags); 2307bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum rv = test_bit(BTUSB_SUSPENDING, &data->flags); 2317bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (!rv) 2327bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum data->tx_in_flight++; 2337bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_unlock_irqrestore(&data->txlock, flags); 2347bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 2357bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum return rv; 2367bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum} 2377bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 2385e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_intr_complete(struct urb *urb) 2395e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 2405e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev = urb->context; 2415e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 2425e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann int err; 2435e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2445e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s urb %p status %d count %d", hdev->name, 2455e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb, urb->status, urb->actual_length); 2465e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2475e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_bit(HCI_RUNNING, &hdev->flags)) 2485e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return; 2495e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2505e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (urb->status == 0) { 2519bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hdev->stat.byte_rx += urb->actual_length; 2529bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 2535e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (hci_recv_fragment(hdev, HCI_EVENT_PKT, 2545e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb->transfer_buffer, 2555e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb->actual_length) < 0) { 2565e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_ERR("%s corrupted event packet", hdev->name); 2575e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.err_rx++; 2585e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 2595e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 2605e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2615e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) 2625e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return; 2635e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2647bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_mark_last_busy(data->udev); 2655e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_anchor_urb(urb, &data->intr_anchor); 2665e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2675e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann err = usb_submit_urb(urb, GFP_ATOMIC); 2685e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 2694935f1c164ac528dff3538f97953b385ba500710Paul Bolle /* -EPERM: urb is being killed; 2704935f1c164ac528dff3538f97953b385ba500710Paul Bolle * -ENODEV: device got disconnected */ 2714935f1c164ac528dff3538f97953b385ba500710Paul Bolle if (err != -EPERM && err != -ENODEV) 27261faddf661a65a179751dc9fd209cb694d9a28afStefan Seyfried BT_ERR("%s urb %p failed to resubmit (%d)", 2735e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->name, urb, -err); 2745e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_unanchor_urb(urb); 2755e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 2765e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 2775e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2782eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmannstatic int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) 2795e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 2805e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 2815e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct urb *urb; 2825e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann unsigned char *buf; 2835e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann unsigned int pipe; 2845e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann int err, size; 2855e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2865e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 2875e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2889bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->intr_ep) 2899bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 2909bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 2912eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann urb = usb_alloc_urb(0, mem_flags); 2925e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!urb) 2935e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 2945e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2955e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann size = le16_to_cpu(data->intr_ep->wMaxPacketSize); 2965e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2972eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann buf = kmalloc(size, mem_flags); 2985e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!buf) { 2995e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_free_urb(urb); 3005e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 3015e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 3025e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3035e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); 3045e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3055e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_fill_int_urb(urb, data->udev, pipe, buf, size, 3065e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann btusb_intr_complete, hdev, 3075e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->intr_ep->bInterval); 3085e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3095e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb->transfer_flags |= URB_FREE_BUFFER; 3105e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3115e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_anchor_urb(urb, &data->intr_anchor); 3125e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3132eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann err = usb_submit_urb(urb, mem_flags); 3145e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 3155e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_ERR("%s urb %p submission failed (%d)", 3165e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->name, urb, -err); 3175e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_unanchor_urb(urb); 3185e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 3195e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3205e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_free_urb(urb); 3215e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3225e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return err; 3235e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 3245e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3255e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_bulk_complete(struct urb *urb) 3265e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 3275e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev = urb->context; 3285e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 3295e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann int err; 3305e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3315e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s urb %p status %d count %d", hdev->name, 3325e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb, urb->status, urb->actual_length); 3335e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3345e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_bit(HCI_RUNNING, &hdev->flags)) 3355e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return; 3365e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3375e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (urb->status == 0) { 3389bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hdev->stat.byte_rx += urb->actual_length; 3399bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 3405e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, 3415e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb->transfer_buffer, 3425e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb->actual_length) < 0) { 3435e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_ERR("%s corrupted ACL packet", hdev->name); 3445e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.err_rx++; 3455e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 3465e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 3475e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3485e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) 3495e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return; 3505e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3515e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_anchor_urb(urb, &data->bulk_anchor); 352652fd781a52ad6e24b908cd8b83d12699754f253Oliver Neukum usb_mark_last_busy(data->udev); 3535e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3545e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann err = usb_submit_urb(urb, GFP_ATOMIC); 3555e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 3564935f1c164ac528dff3538f97953b385ba500710Paul Bolle /* -EPERM: urb is being killed; 3574935f1c164ac528dff3538f97953b385ba500710Paul Bolle * -ENODEV: device got disconnected */ 3584935f1c164ac528dff3538f97953b385ba500710Paul Bolle if (err != -EPERM && err != -ENODEV) 35961faddf661a65a179751dc9fd209cb694d9a28afStefan Seyfried BT_ERR("%s urb %p failed to resubmit (%d)", 3605e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->name, urb, -err); 3615e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_unanchor_urb(urb); 3625e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 3635e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 3645e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3652eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmannstatic int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) 3665e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 3675e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 3685e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct urb *urb; 3695e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann unsigned char *buf; 3705e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann unsigned int pipe; 371290ba200815fdecb4d40dc942499c4ea6d0c4624Vikram Kandukuri int err, size = HCI_MAX_FRAME_SIZE; 3725e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3735e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 3745e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3759bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->bulk_rx_ep) 3769bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 3779bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 3782eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann urb = usb_alloc_urb(0, mem_flags); 3795e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!urb) 3805e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 3815e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3822eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann buf = kmalloc(size, mem_flags); 3835e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!buf) { 3845e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_free_urb(urb); 3855e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 3865e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 3875e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3885e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); 3895e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_fill_bulk_urb(urb, data->udev, pipe, 3915e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann buf, size, btusb_bulk_complete, hdev); 3925e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3935e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb->transfer_flags |= URB_FREE_BUFFER; 3945e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3957bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_mark_last_busy(data->udev); 3965e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_anchor_urb(urb, &data->bulk_anchor); 3975e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3982eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann err = usb_submit_urb(urb, mem_flags); 3995e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 4005e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_ERR("%s urb %p submission failed (%d)", 4015e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->name, urb, -err); 4025e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_unanchor_urb(urb); 4035e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 4045e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 4055e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_free_urb(urb); 4065e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 4075e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return err; 4085e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 4095e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 4109bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmannstatic void btusb_isoc_complete(struct urb *urb) 4119bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann{ 4129bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct hci_dev *hdev = urb->context; 4139bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct btusb_data *data = hdev->driver_data; 4149bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann int i, err; 4159bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4169bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_DBG("%s urb %p status %d count %d", hdev->name, 4179bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb, urb->status, urb->actual_length); 4189bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4199bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!test_bit(HCI_RUNNING, &hdev->flags)) 4209bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return; 4219bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4229bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (urb->status == 0) { 4239bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann for (i = 0; i < urb->number_of_packets; i++) { 4249bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann unsigned int offset = urb->iso_frame_desc[i].offset; 4259bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann unsigned int length = urb->iso_frame_desc[i].actual_length; 4269bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4279bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (urb->iso_frame_desc[i].status) 4289bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann continue; 4299bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4309bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hdev->stat.byte_rx += length; 4319bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4329bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, 4339bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->transfer_buffer + offset, 4349bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann length) < 0) { 4359bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_ERR("%s corrupted SCO packet", hdev->name); 4369bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hdev->stat.err_rx++; 4379bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 4389bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 4399bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 4409bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4419bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) 4429bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return; 4439bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4449bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_anchor_urb(urb, &data->isoc_anchor); 4459bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4469bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann err = usb_submit_urb(urb, GFP_ATOMIC); 4479bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (err < 0) { 4484935f1c164ac528dff3538f97953b385ba500710Paul Bolle /* -EPERM: urb is being killed; 4494935f1c164ac528dff3538f97953b385ba500710Paul Bolle * -ENODEV: device got disconnected */ 4504935f1c164ac528dff3538f97953b385ba500710Paul Bolle if (err != -EPERM && err != -ENODEV) 45161faddf661a65a179751dc9fd209cb694d9a28afStefan Seyfried BT_ERR("%s urb %p failed to resubmit (%d)", 4529bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hdev->name, urb, -err); 4539bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_unanchor_urb(urb); 4549bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 4559bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann} 4569bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 45742b16b3fbb5ee4555f5dee6220f3ccaa6e1ebe47Jesper Juhlstatic inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) 4589bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann{ 4599bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann int i, offset = 0; 4609bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4619bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_DBG("len %d mtu %d", len, mtu); 4629bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4639bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; 4649bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann i++, offset += mtu, len -= mtu) { 4659bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->iso_frame_desc[i].offset = offset; 4669bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->iso_frame_desc[i].length = mtu; 4679bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 4689bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4699bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (len && i < BTUSB_MAX_ISOC_FRAMES) { 4709bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->iso_frame_desc[i].offset = offset; 4719bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->iso_frame_desc[i].length = len; 4729bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann i++; 4739bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 4749bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4759bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->number_of_packets = i; 4769bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann} 4779bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4782eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmannstatic int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) 4799bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann{ 4809bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct btusb_data *data = hdev->driver_data; 4819bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct urb *urb; 4829bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann unsigned char *buf; 4839bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann unsigned int pipe; 4849bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann int err, size; 4859bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4869bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_DBG("%s", hdev->name); 4879bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4889bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->isoc_rx_ep) 4899bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 4909bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4912eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); 4929bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!urb) 4939bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENOMEM; 4949bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4959bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * 4969bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BTUSB_MAX_ISOC_FRAMES; 4979bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4982eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann buf = kmalloc(size, mem_flags); 4999bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!buf) { 5009bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_free_urb(urb); 5019bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENOMEM; 5029bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 5039bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5049bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); 5059bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5069bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->dev = data->udev; 5079bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->pipe = pipe; 5089bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->context = hdev; 5099bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->complete = btusb_isoc_complete; 5109bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->interval = data->isoc_rx_ep->bInterval; 5119bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5129bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; 5139bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->transfer_buffer = buf; 5149bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->transfer_buffer_length = size; 5159bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5169bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann __fill_isoc_descriptor(urb, size, 5179bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); 5189bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5199bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_anchor_urb(urb, &data->isoc_anchor); 5209bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5212eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann err = usb_submit_urb(urb, mem_flags); 5229bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (err < 0) { 5239bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_ERR("%s urb %p submission failed (%d)", 5249bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hdev->name, urb, -err); 5259bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_unanchor_urb(urb); 5269bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 5279bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5289bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_free_urb(urb); 5299bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5309bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return err; 5319bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann} 5329bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5335e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_tx_complete(struct urb *urb) 5345e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 5355e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct sk_buff *skb = urb->context; 5365e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev = (struct hci_dev *) skb->dev; 5377bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum struct btusb_data *data = hdev->driver_data; 5387bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 5397bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum BT_DBG("%s urb %p status %d count %d", hdev->name, 5407bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum urb, urb->status, urb->actual_length); 5417bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 5427bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (!test_bit(HCI_RUNNING, &hdev->flags)) 5437bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum goto done; 5447bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 5457bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (!urb->status) 5467bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum hdev->stat.byte_tx += urb->transfer_buffer_length; 5477bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum else 5487bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum hdev->stat.err_tx++; 5497bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 5507bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumdone: 5517bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_lock(&data->txlock); 5527bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum data->tx_in_flight--; 5537bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_unlock(&data->txlock); 5547bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 5557bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum kfree(urb->setup_packet); 5567bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 5577bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum kfree_skb(skb); 5587bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum} 5597bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 5607bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumstatic void btusb_isoc_tx_complete(struct urb *urb) 5617bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum{ 5627bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum struct sk_buff *skb = urb->context; 5637bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum struct hci_dev *hdev = (struct hci_dev *) skb->dev; 5645e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5655e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s urb %p status %d count %d", hdev->name, 5665e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb, urb->status, urb->actual_length); 5675e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5685e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_bit(HCI_RUNNING, &hdev->flags)) 5695e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann goto done; 5705e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5715e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!urb->status) 5725e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.byte_tx += urb->transfer_buffer_length; 5735e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann else 5745e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.err_tx++; 5755e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5765e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmanndone: 5775e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree(urb->setup_packet); 5785e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5795e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree_skb(skb); 5805e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 5815e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5825e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic int btusb_open(struct hci_dev *hdev) 5835e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 5845e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 5855e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann int err; 5865e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5875e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 5885e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5897bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum err = usb_autopm_get_interface(data->intf); 5907bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (err < 0) 5917bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum return err; 5927bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 5937bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum data->intf->needs_remote_wakeup = 1; 5947bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 5955e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) 5967bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum goto done; 5975e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5985e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) 5997bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum goto done; 6005e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6012eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann err = btusb_submit_intr_urb(hdev, GFP_KERNEL); 60243c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann if (err < 0) 60343c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann goto failed; 60443c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann 60543c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); 6065e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 60743c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann usb_kill_anchored_urbs(&data->intr_anchor); 60843c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann goto failed; 6095e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 6105e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 61143c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann set_bit(BTUSB_BULK_RUNNING, &data->flags); 61243c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann btusb_submit_bulk_urb(hdev, GFP_KERNEL); 61343c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann 6147bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumdone: 6157bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_autopm_put_interface(data->intf); 61643c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann return 0; 61743c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann 61843c2e57f94c15744495fee564610aa24602b3824Marcel Holtmannfailed: 61943c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann clear_bit(BTUSB_INTR_RUNNING, &data->flags); 62043c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann clear_bit(HCI_RUNNING, &hdev->flags); 6217bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_autopm_put_interface(data->intf); 6225e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return err; 6235e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 6245e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6257bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumstatic void btusb_stop_traffic(struct btusb_data *data) 6267bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum{ 6277bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_kill_anchored_urbs(&data->intr_anchor); 6287bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_kill_anchored_urbs(&data->bulk_anchor); 6297bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_kill_anchored_urbs(&data->isoc_anchor); 6307bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum} 6317bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 6325e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic int btusb_close(struct hci_dev *hdev) 6335e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 6345e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 6357bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum int err; 6365e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6375e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 6385e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6395e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) 6405e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return 0; 6415e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 642e8c3c3d22b340a406a9aab1b7a9f436636c3de9dMarcel Holtmann cancel_work_sync(&data->work); 643404291ac9e72d118fcadeb939a69b2caa0a0e9caLinus Torvalds cancel_work_sync(&data->waker); 644e8c3c3d22b340a406a9aab1b7a9f436636c3de9dMarcel Holtmann 6459bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 6465e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann clear_bit(BTUSB_BULK_RUNNING, &data->flags); 6475e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann clear_bit(BTUSB_INTR_RUNNING, &data->flags); 6487bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 6497bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum btusb_stop_traffic(data); 6507bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum err = usb_autopm_get_interface(data->intf); 6517bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (err < 0) 6527b8e2c1db0f358bc389dd1ee4633a92d80a5a6d0Oliver Neukum goto failed; 6537bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 6547bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum data->intf->needs_remote_wakeup = 0; 6557bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_autopm_put_interface(data->intf); 6565e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6577b8e2c1db0f358bc389dd1ee4633a92d80a5a6d0Oliver Neukumfailed: 6587b8e2c1db0f358bc389dd1ee4633a92d80a5a6d0Oliver Neukum usb_scuttle_anchored_urbs(&data->deferred); 6595e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return 0; 6605e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 6615e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6625e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic int btusb_flush(struct hci_dev *hdev) 6635e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 6645e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 6655e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6665e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 6675e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6685e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_kill_anchored_urbs(&data->tx_anchor); 6695e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6705e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return 0; 6715e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 6725e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6735e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic int btusb_send_frame(struct sk_buff *skb) 6745e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 6755e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev = (struct hci_dev *) skb->dev; 6765e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 6775e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_ctrlrequest *dr; 6785e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct urb *urb; 6795e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann unsigned int pipe; 6805e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann int err; 6815e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6825e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 6835e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6845e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_bit(HCI_RUNNING, &hdev->flags)) 6855e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -EBUSY; 6865e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6875e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann switch (bt_cb(skb)->pkt_type) { 6885e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann case HCI_COMMAND_PKT: 6895e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb = usb_alloc_urb(0, GFP_ATOMIC); 6905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!urb) 6915e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 6925e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6935e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann dr = kmalloc(sizeof(*dr), GFP_ATOMIC); 6945e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!dr) { 6955e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_free_urb(urb); 6965e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 6975e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 6985e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6997a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann dr->bRequestType = data->cmdreq_type; 7005e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann dr->bRequest = 0; 7015e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann dr->wIndex = 0; 7025e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann dr->wValue = 0; 7035e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann dr->wLength = __cpu_to_le16(skb->len); 7045e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7055e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann pipe = usb_sndctrlpipe(data->udev, 0x00); 7065e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7075e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, 7085e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann skb->data, skb->len, btusb_tx_complete, skb); 7095e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7105e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.cmd_tx++; 7115e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann break; 7125e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7135e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann case HCI_ACLDATA_PKT: 7149fd481e03c1e9c76c814b88b9ea1cbda9afb0812Peter Hurley if (!data->bulk_tx_ep) 7159bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 7169bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7175e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb = usb_alloc_urb(0, GFP_ATOMIC); 7185e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!urb) 7195e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 7205e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7215e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann pipe = usb_sndbulkpipe(data->udev, 7225e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->bulk_tx_ep->bEndpointAddress); 7235e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7245e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_fill_bulk_urb(urb, data->udev, pipe, 7255e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann skb->data, skb->len, btusb_tx_complete, skb); 7265e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7275e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.acl_tx++; 7285e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann break; 7295e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7305e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann case HCI_SCODATA_PKT: 7319bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) 7329bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 7339bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7349bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); 7359bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!urb) 7369bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENOMEM; 7379bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7389bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann pipe = usb_sndisocpipe(data->udev, 7399bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc_tx_ep->bEndpointAddress); 7409bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 74103c2d0e89409b59c1ec9d9511533cedc0b7aaa69Gustavo F. Padovan usb_fill_int_urb(urb, data->udev, pipe, 74203c2d0e89409b59c1ec9d9511533cedc0b7aaa69Gustavo F. Padovan skb->data, skb->len, btusb_isoc_tx_complete, 74303c2d0e89409b59c1ec9d9511533cedc0b7aaa69Gustavo F. Padovan skb, data->isoc_tx_ep->bInterval); 7449bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7459bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->transfer_flags = URB_ISO_ASAP; 7469bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7479bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann __fill_isoc_descriptor(urb, skb->len, 7489bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); 7499bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7505e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.sco_tx++; 7517bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum goto skip_waking; 7525e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7535e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann default: 7545e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -EILSEQ; 7555e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 7565e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7577bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum err = inc_tx(data); 7587bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (err) { 7597bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_anchor_urb(urb, &data->deferred); 7607bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum schedule_work(&data->waker); 7617bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum err = 0; 7627bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum goto done; 7637bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum } 7647bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 7657bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumskip_waking: 7665e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_anchor_urb(urb, &data->tx_anchor); 7675e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7685e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann err = usb_submit_urb(urb, GFP_ATOMIC); 7695e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 7705a9b80e2cd993f77d6d068470a4fd77fdfae44abPaul Bolle if (err != -EPERM && err != -ENODEV) 7715a9b80e2cd993f77d6d068470a4fd77fdfae44abPaul Bolle BT_ERR("%s urb %p submission failed (%d)", 7725a9b80e2cd993f77d6d068470a4fd77fdfae44abPaul Bolle hdev->name, urb, -err); 7735e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree(urb->setup_packet); 7745e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_unanchor_urb(urb); 7757bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum } else { 7767bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_mark_last_busy(data->udev); 7775e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 7785e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7795e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_free_urb(urb); 7805e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7817bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumdone: 7825e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return err; 7835e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 7845e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7855e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_destruct(struct hci_dev *hdev) 7865e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 7875e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 7885e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7895e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 7905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7915e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree(data); 7925e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 7935e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7945e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_notify(struct hci_dev *hdev, unsigned int evt) 7955e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 7965e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = hdev->driver_data; 7975e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7985e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s evt %d", hdev->name, evt); 7995e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 80043c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann if (hdev->conn_hash.sco_num != data->sco_num) { 80143c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann data->sco_num = hdev->conn_hash.sco_num; 80243c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann schedule_work(&data->work); 803a780efa8124fe7ef23d8ef844d56afe960356615Marcel Holtmann } 8045e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 8055e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 80642b16b3fbb5ee4555f5dee6220f3ccaa6e1ebe47Jesper Juhlstatic inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) 8079bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann{ 8089bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct btusb_data *data = hdev->driver_data; 8099bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_interface *intf = data->isoc; 8109bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_endpoint_descriptor *ep_desc; 8119bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann int i, err; 8129bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8139bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->isoc) 8149bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 8159bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8169bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann err = usb_set_interface(data->udev, 1, altsetting); 8179bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (err < 0) { 8189bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_ERR("%s setting interface failed (%d)", hdev->name, -err); 8199bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return err; 8209bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 8219bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8229bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc_altsetting = altsetting; 8239bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8249bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc_tx_ep = NULL; 8259bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc_rx_ep = NULL; 8269bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8279bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { 8289bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann ep_desc = &intf->cur_altsetting->endpoint[i].desc; 8299bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8309bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { 8319bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc_tx_ep = ep_desc; 8329bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann continue; 8339bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 8349bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8359bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { 8369bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc_rx_ep = ep_desc; 8379bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann continue; 8389bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 8399bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 8409bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8419bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->isoc_tx_ep || !data->isoc_rx_ep) { 8429bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_ERR("%s invalid SCO descriptors", hdev->name); 8439bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 8449bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 8459bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8469bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return 0; 8479bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann} 8489bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8495e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_work(struct work_struct *work) 8505e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 8515e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = container_of(work, struct btusb_data, work); 8525e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev = data->hdev; 8537bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum int err; 8545e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 8559bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (hdev->conn_hash.sco_num > 0) { 85608b8b6c454092ae19cea82787b86ee9596ae1951Gustavo F. Padovan if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { 8578efdd0cdc54f3bb5db464b3baf88f7441f54da47Oliver Neukum err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); 8587bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (err < 0) { 8597bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 8607bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_kill_anchored_urbs(&data->isoc_anchor); 8617bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum return; 8627bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum } 8637bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 86408b8b6c454092ae19cea82787b86ee9596ae1951Gustavo F. Padovan set_bit(BTUSB_DID_ISO_RESUME, &data->flags); 8657bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum } 8669bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (data->isoc_altsetting != 2) { 8679bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 8689bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_kill_anchored_urbs(&data->isoc_anchor); 8699bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8709bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (__set_isoc_interface(hdev, 2) < 0) 8719bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return; 8729bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 8739bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8749bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { 8752eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) 8769bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 8779bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann else 8782eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann btusb_submit_isoc_urb(hdev, GFP_KERNEL); 8799bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 8809bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } else { 8819bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 8829bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_kill_anchored_urbs(&data->isoc_anchor); 8839bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8849bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann __set_isoc_interface(hdev, 0); 88508b8b6c454092ae19cea82787b86ee9596ae1951Gustavo F. Padovan if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) 8868efdd0cdc54f3bb5db464b3baf88f7441f54da47Oliver Neukum usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); 8875e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 8885e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 8895e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 8907bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumstatic void btusb_waker(struct work_struct *work) 8917bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum{ 8927bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum struct btusb_data *data = container_of(work, struct btusb_data, waker); 8937bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum int err; 8947bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 8957bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum err = usb_autopm_get_interface(data->intf); 8967bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (err < 0) 8977bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum return; 8987bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 8997bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_autopm_put_interface(data->intf); 9007bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum} 9017bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 9025e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic int btusb_probe(struct usb_interface *intf, 9035e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann const struct usb_device_id *id) 9045e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 9055e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_endpoint_descriptor *ep_desc; 9065e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data; 9075e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev; 9085e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann int i, err; 9095e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9105e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("intf %p id %p", intf, id); 9115e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 912cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* interface numbers are hardcoded in the spec */ 9135e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (intf->cur_altsetting->desc.bInterfaceNumber != 0) 9145e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENODEV; 9155e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9165e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!id->driver_info) { 9175e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann const struct usb_device_id *match; 9185e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann match = usb_match_id(intf, blacklist_table); 9195e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (match) 9205e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann id = match; 9215e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 9225e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 923cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (id->driver_info == BTUSB_IGNORE) 924cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann return -ENODEV; 925cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 926cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) 927cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann return -ENODEV; 928cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 929cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (ignore_csr && id->driver_info & BTUSB_CSR) 930cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann return -ENODEV; 931cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 932cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) 933cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann return -ENODEV; 934cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 9352d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li if (id->driver_info & BTUSB_ATH3012) { 9362d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li struct usb_device *udev = interface_to_usbdev(intf); 9372d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li 9382d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li /* Old firmware would otherwise let ath3k driver load 9392d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li * patch and sysconfig files */ 9402d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) 9412d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li return -ENODEV; 9422d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li } 9432d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li 9445e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data = kzalloc(sizeof(*data), GFP_KERNEL); 9455e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!data) 9465e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 9475e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9485e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { 9495e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann ep_desc = &intf->cur_altsetting->endpoint[i].desc; 9505e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9515e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { 9525e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->intr_ep = ep_desc; 9535e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann continue; 9545e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 9555e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9565e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { 9575e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->bulk_tx_ep = ep_desc; 9585e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann continue; 9595e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 9605e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9615e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { 9625e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->bulk_rx_ep = ep_desc; 9635e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann continue; 9645e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 9655e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 9665e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9675e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) { 9685e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree(data); 9695e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENODEV; 9705e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 9715e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9727a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann data->cmdreq_type = USB_TYPE_CLASS; 9737a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann 9745e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->udev = interface_to_usbdev(intf); 9755fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann data->intf = intf; 9765e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9775e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann spin_lock_init(&data->lock); 9785e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9795e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann INIT_WORK(&data->work, btusb_work); 9807bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum INIT_WORK(&data->waker, btusb_waker); 9817bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_lock_init(&data->txlock); 9825e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9835e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann init_usb_anchor(&data->tx_anchor); 9845e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann init_usb_anchor(&data->intr_anchor); 9855e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann init_usb_anchor(&data->bulk_anchor); 9869bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann init_usb_anchor(&data->isoc_anchor); 9877bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum init_usb_anchor(&data->deferred); 9885e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9895e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev = hci_alloc_dev(); 9905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!hdev) { 9915e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree(data); 9925e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 9935e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 9945e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 995c13854cef4751000b968d4e8ac95796562d5b96fMarcel Holtmann hdev->bus = HCI_USB; 9965e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->driver_data = data; 9975e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9985e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->hdev = hdev; 9995e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10005e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann SET_HCIDEV_DEV(hdev, &intf->dev); 10015e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10025e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->open = btusb_open; 10035e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->close = btusb_close; 10045e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->flush = btusb_flush; 10055e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->send = btusb_send_frame; 10065e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->destruct = btusb_destruct; 10075e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->notify = btusb_notify; 10085e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10095e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->owner = THIS_MODULE; 10105e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10117a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann /* Interface numbers are hardcoded in the specification */ 10129bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc = usb_ifnum_to_if(data->udev, 1); 10139bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 10147a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann if (!reset) 10157a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); 1016cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1017cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { 1018cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (!disable_scofix) 1019cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); 1020cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann } 1021cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 10229bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (id->driver_info & BTUSB_BROKEN_ISOC) 10239bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc = NULL; 10249bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 10257a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann if (id->driver_info & BTUSB_DIGIANSWER) { 10267a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann data->cmdreq_type = USB_TYPE_VENDOR; 10277a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); 10287a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann } 10297a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann 10307a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann if (id->driver_info & BTUSB_CSR) { 10317a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann struct usb_device *udev = data->udev; 10327a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann 10337a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann /* Old firmware would otherwise execute USB reset */ 10347a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) 10357a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); 10367a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann } 10377a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann 1038cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (id->driver_info & BTUSB_SNIFFER) { 10399bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_device *udev = data->udev; 1040cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 10417a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann /* New sniffer firmware has crippled HCI interface */ 1042cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) 1043cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); 10449bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 10459bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc = NULL; 1046cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann } 1047cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1048cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (id->driver_info & BTUSB_BCM92035) { 1049cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 }; 1050cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann struct sk_buff *skb; 1051cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1052cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); 1053cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (skb) { 1054cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); 1055cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann skb_queue_tail(&hdev->driver_init, skb); 1056cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann } 1057cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann } 10585e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10599bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (data->isoc) { 10609bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann err = usb_driver_claim_interface(&btusb_driver, 10615fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann data->isoc, data); 10629bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (err < 0) { 10639bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hci_free_dev(hdev); 10649bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann kfree(data); 10659bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return err; 10669bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 10679bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 10689bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 10695e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann err = hci_register_dev(hdev); 10705e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 10715e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hci_free_dev(hdev); 10725e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree(data); 10735e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return err; 10745e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 10755e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10765e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_set_intfdata(intf, data); 10775e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10785e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return 0; 10795e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 10805e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10815e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_disconnect(struct usb_interface *intf) 10825e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 10835e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = usb_get_intfdata(intf); 10845e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev; 10855e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10865e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("intf %p", intf); 10875e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10885e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!data) 10895e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return; 10905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10915e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev = data->hdev; 10925e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10935fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann __hci_dev_hold(hdev); 10949bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 10955fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann usb_set_intfdata(data->intf, NULL); 10965fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann 10975fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann if (data->isoc) 10985fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann usb_set_intfdata(data->isoc, NULL); 10995e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 11005e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hci_unregister_dev(hdev); 11015e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 11025fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann if (intf == data->isoc) 11035fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann usb_driver_release_interface(&btusb_driver, data->intf); 11045fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann else if (data->isoc) 11055fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann usb_driver_release_interface(&btusb_driver, data->isoc); 11065fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann 11075fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann __hci_dev_put(hdev); 11085fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann 11095e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hci_free_dev(hdev); 11105e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 11115e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 11127bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum#ifdef CONFIG_PM 11136a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmannstatic int btusb_suspend(struct usb_interface *intf, pm_message_t message) 11146a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann{ 11156a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann struct btusb_data *data = usb_get_intfdata(intf); 11166a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11176a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann BT_DBG("intf %p", intf); 11186a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11196a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (data->suspend_count++) 11206a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann return 0; 11216a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11227bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_lock_irq(&data->txlock); 1123fb34d53752d5bec5acc73422e462a9c68aeeaa2aAlan Stern if (!((message.event & PM_EVENT_AUTO) && data->tx_in_flight)) { 11247bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum set_bit(BTUSB_SUSPENDING, &data->flags); 11257bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_unlock_irq(&data->txlock); 11267bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum } else { 11277bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_unlock_irq(&data->txlock); 11287bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum data->suspend_count--; 11297bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum return -EBUSY; 11307bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum } 11317bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 11326a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann cancel_work_sync(&data->work); 11336a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11347bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum btusb_stop_traffic(data); 11356a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann usb_kill_anchored_urbs(&data->tx_anchor); 11366a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11376a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann return 0; 11386a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann} 11396a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11407bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumstatic void play_deferred(struct btusb_data *data) 11417bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum{ 11427bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum struct urb *urb; 11437bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum int err; 11447bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 11457bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum while ((urb = usb_get_from_anchor(&data->deferred))) { 11467bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum err = usb_submit_urb(urb, GFP_ATOMIC); 11477bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (err < 0) 11487bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum break; 11497bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 11507bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum data->tx_in_flight++; 11517bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum } 11527bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_scuttle_anchored_urbs(&data->deferred); 11537bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum} 11547bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 11556a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmannstatic int btusb_resume(struct usb_interface *intf) 11566a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann{ 11576a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann struct btusb_data *data = usb_get_intfdata(intf); 11586a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann struct hci_dev *hdev = data->hdev; 11597bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum int err = 0; 11606a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11616a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann BT_DBG("intf %p", intf); 11626a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11636a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (--data->suspend_count) 11646a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann return 0; 11656a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11666a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (!test_bit(HCI_RUNNING, &hdev->flags)) 11677bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum goto done; 11686a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11696a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { 11706a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann err = btusb_submit_intr_urb(hdev, GFP_NOIO); 11716a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (err < 0) { 11726a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann clear_bit(BTUSB_INTR_RUNNING, &data->flags); 11737bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum goto failed; 11746a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann } 11756a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann } 11766a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11776a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { 117843c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann err = btusb_submit_bulk_urb(hdev, GFP_NOIO); 117943c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann if (err < 0) { 11806a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann clear_bit(BTUSB_BULK_RUNNING, &data->flags); 11817bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum goto failed; 11827bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum } 11837bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 11847bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum btusb_submit_bulk_urb(hdev, GFP_NOIO); 11856a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann } 11866a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11876a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { 11886a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) 11896a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 11906a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann else 11916a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann btusb_submit_isoc_urb(hdev, GFP_NOIO); 11926a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann } 11936a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11947bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_lock_irq(&data->txlock); 11957bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum play_deferred(data); 11967bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum clear_bit(BTUSB_SUSPENDING, &data->flags); 11977bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_unlock_irq(&data->txlock); 11987bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum schedule_work(&data->work); 11997bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 12006a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann return 0; 12017bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 12027bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumfailed: 12037bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_scuttle_anchored_urbs(&data->deferred); 12047bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumdone: 12057bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_lock_irq(&data->txlock); 12067bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum clear_bit(BTUSB_SUSPENDING, &data->flags); 12077bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_unlock_irq(&data->txlock); 12087bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 12097bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum return err; 12106a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann} 12117bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum#endif 12126a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 12135e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic struct usb_driver btusb_driver = { 12145e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann .name = "btusb", 12155e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann .probe = btusb_probe, 12165e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann .disconnect = btusb_disconnect, 12177bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum#ifdef CONFIG_PM 12186a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann .suspend = btusb_suspend, 12196a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann .resume = btusb_resume, 12207bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum#endif 12215e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann .id_table = btusb_table, 12227bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum .supports_autosuspend = 1, 12235e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann}; 12245e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 12255e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic int __init btusb_init(void) 12265e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 12275e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_INFO("Generic Bluetooth USB driver ver %s", VERSION); 12285e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 12295e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return usb_register(&btusb_driver); 12305e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 12315e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 12325e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void __exit btusb_exit(void) 12335e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 12345e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_deregister(&btusb_driver); 12355e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 12365e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 12375e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannmodule_init(btusb_init); 12385e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannmodule_exit(btusb_exit); 12395e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1240cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannmodule_param(ignore_dga, bool, 0644); 1241cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel HoltmannMODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); 1242cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1243cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannmodule_param(ignore_csr, bool, 0644); 1244cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel HoltmannMODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); 1245cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1246cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannmodule_param(ignore_sniffer, bool, 0644); 1247cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel HoltmannMODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); 1248cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1249cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannmodule_param(disable_scofix, bool, 0644); 1250cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel HoltmannMODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); 1251cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1252cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannmodule_param(force_scofix, bool, 0644); 1253cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel HoltmannMODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); 1254cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1255cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannmodule_param(reset, bool, 0644); 1256cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel HoltmannMODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); 1257cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 12585e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel HoltmannMODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); 12595e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel HoltmannMODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); 12605e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel HoltmannMODULE_VERSION(VERSION); 12615e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel HoltmannMODULE_LICENSE("GPL"); 1262