btusb.c revision 6dfc326f0605fd87e4c10ccde10de0ce4280d72d
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 4090ab5ee94171b3e28de6bb42ee30b527014e0be7Rusty Russellstatic bool ignore_dga; 4190ab5ee94171b3e28de6bb42ee30b527014e0be7Rusty Russellstatic bool ignore_csr; 4290ab5ee94171b3e28de6bb42ee30b527014e0be7Rusty Russellstatic bool ignore_sniffer; 4390ab5ee94171b3e28de6bb42ee30b527014e0be7Rusty Russellstatic bool disable_scofix; 4490ab5ee94171b3e28de6bb42ee30b527014e0be7Rusty Russellstatic bool force_scofix; 457a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann 4690ab5ee94171b3e28de6bb42ee30b527014e0be7Rusty Russellstatic bool 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 103d13431ca3eb2a2c14314f04813cdc11cd869f150Wen-chien Jesse Sung /* Broadcom BCM20702A0 */ 104c0190925dacd976a67044f4382d4effbed568dceJesse Sung { USB_DEVICE(0x0a5c, 0x21e3) }, 1050a4eaeeb993658a4d6cff054a863241f32d3d2fbJames M. Leddy { USB_DEVICE(0x0a5c, 0x21e6) }, 1066dfc326f0605fd87e4c10ccde10de0ce4280d72dJoão Paulo Rechi Vita { USB_DEVICE(0x0a5c, 0x21e8) }, 10737305cf649689a4d2341dd6fd89b091c6007f9baManoj Iyer { USB_DEVICE(0x0a5c, 0x21f3) }, 108d13431ca3eb2a2c14314f04813cdc11cd869f150Wen-chien Jesse Sung { USB_DEVICE(0x413c, 0x8197) }, 109d13431ca3eb2a2c14314f04813cdc11cd869f150Wen-chien Jesse Sung 1105e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann { } /* Terminating entry */ 1115e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann}; 1125e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1135e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel HoltmannMODULE_DEVICE_TABLE(usb, btusb_table); 1145e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1155e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic struct usb_device_id blacklist_table[] = { 116cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* CSR BlueCore devices */ 117cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, 118cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 119cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Broadcom BCM2033 without firmware */ 120cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, 121cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 122be93112accb42c5586a459683d71975cc70673caBala Shanmugam /* Atheros 3011 with sflash firmware */ 123be93112accb42c5586a459683d71975cc70673caBala Shanmugam { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, 1242a7bccccdb9604a717c2128a931f022267d35629Andy Ross { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, 1258e7c3d2e4ba18ee4cdcc1f89aec944fbff4ce735Ricardo Mendoza { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, 1266b6ba88b5bb8779156b21bb957520a448c3642e2Keng-Yu Lin { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, 127be93112accb42c5586a459683d71975cc70673caBala Shanmugam 128509e7861d8a5e26bb07b5a3a13e2b9e442283631Cho, Yu-Chen /* Atheros AR9285 Malbec with sflash firmware */ 129509e7861d8a5e26bb07b5a3a13e2b9e442283631Cho, Yu-Chen { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, 130509e7861d8a5e26bb07b5a3a13e2b9e442283631Cho, Yu-Chen 131d9f51b51db2064c9049bf7924318fd8c6ed852cbBala Shanmugam /* Atheros 3012 with sflash firmware */ 1322d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, 1339498ba7a1d38d42eef4ef6d906ab1743c9f0fd6fEran { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, 134d9f51b51db2064c9049bf7924318fd8c6ed852cbBala Shanmugam 135e9036e336a8e5640871e0006ea4a89982b25046fCho, Yu-Chen /* Atheros AR5BBU12 with sflash firmware */ 136e9036e336a8e5640871e0006ea4a89982b25046fCho, Yu-Chen { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, 137e9036e336a8e5640871e0006ea4a89982b25046fCho, Yu-Chen 138cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Broadcom BCM2035 */ 1397a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, 1407a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, 1417a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, 142cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 143cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Broadcom BCM2045 */ 1447a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, 1457a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, 146bdbef3d696ca83489eb653459b5a7a62ecf5596aMarcel Holtmann 147cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* IBM/Lenovo ThinkPad with Broadcom chip */ 1487a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, 1497a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, 150cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 151cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* HP laptop with Broadcom chip */ 1527a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, 153cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 154cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Dell laptop with Broadcom chip */ 1557a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, 156cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1575ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann /* Dell Wireless 370 and 410 devices */ 1587a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, 1595ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, 160cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1617a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann /* Belkin F8T012 and F8T013 devices */ 1627a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, 1637a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, 164cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1655ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann /* Asus WL-BTD202 device */ 1665ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, 1675ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann 1685ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann /* Kensington Bluetooth USB adapter */ 1695ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, 1705ddd4a60683f819982b7bd3d1aee972f931c11a3Marcel Holtmann 171cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* RTX Telecom based adapters with buggy SCO support */ 172cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, 173cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, 174cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 175cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* CONWISE Technology based adapters with buggy SCO support */ 176cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, 177cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 178cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Digianswer devices */ 179cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, 180cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, 181cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 182cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* CSR BlueCore Bluetooth Sniffer */ 183cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, 184cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 185cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* Frontline ComProbe Bluetooth Sniffer */ 186cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, 187cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1885e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann { } /* Terminating entry */ 1895e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann}; 1905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1919bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann#define BTUSB_MAX_ISOC_FRAMES 10 1929bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 1935e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#define BTUSB_INTR_RUNNING 0 1945e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann#define BTUSB_BULK_RUNNING 1 1959bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann#define BTUSB_ISOC_RUNNING 2 1967bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum#define BTUSB_SUSPENDING 3 19708b8b6c454092ae19cea82787b86ee9596ae1951Gustavo F. Padovan#define BTUSB_DID_ISO_RESUME 4 1985e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1995e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstruct btusb_data { 2005e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev; 2015e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_device *udev; 2025fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann struct usb_interface *intf; 2039bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_interface *isoc; 2045e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2055e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann spinlock_t lock; 2065e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2075e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann unsigned long flags; 2085e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2095e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct work_struct work; 2107bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum struct work_struct waker; 2115e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2125e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_anchor tx_anchor; 2135e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_anchor intr_anchor; 2145e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_anchor bulk_anchor; 2159bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_anchor isoc_anchor; 2167bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum struct usb_anchor deferred; 2177bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum int tx_in_flight; 2187bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spinlock_t txlock; 2195e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2205e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_endpoint_descriptor *intr_ep; 2215e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_endpoint_descriptor *bulk_tx_ep; 2225e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_endpoint_descriptor *bulk_rx_ep; 2239bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_endpoint_descriptor *isoc_tx_ep; 2249bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_endpoint_descriptor *isoc_rx_ep; 2259bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 2267a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann __u8 cmdreq_type; 2277a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann 22843c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann unsigned int sco_num; 2299bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann int isoc_altsetting; 2306a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann int suspend_count; 2315e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann}; 2325e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2337bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumstatic int inc_tx(struct btusb_data *data) 2347bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum{ 2357bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum unsigned long flags; 2367bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum int rv; 2377bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 2387bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_lock_irqsave(&data->txlock, flags); 2397bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum rv = test_bit(BTUSB_SUSPENDING, &data->flags); 2407bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (!rv) 2417bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum data->tx_in_flight++; 2427bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_unlock_irqrestore(&data->txlock, flags); 2437bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 2447bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum return rv; 2457bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum} 2467bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 2475e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_intr_complete(struct urb *urb) 2485e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 2495e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev = urb->context; 250155961e8001719af6d87cbcc961111e8ce477843David Herrmann struct btusb_data *data = hci_get_drvdata(hdev); 2515e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann int err; 2525e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2535e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s urb %p status %d count %d", hdev->name, 2545e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb, urb->status, urb->actual_length); 2555e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2565e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_bit(HCI_RUNNING, &hdev->flags)) 2575e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return; 2585e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2595e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (urb->status == 0) { 2609bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hdev->stat.byte_rx += urb->actual_length; 2619bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 2625e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (hci_recv_fragment(hdev, HCI_EVENT_PKT, 2635e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb->transfer_buffer, 2645e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb->actual_length) < 0) { 2655e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_ERR("%s corrupted event packet", hdev->name); 2665e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.err_rx++; 2675e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 2685e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 2695e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2705e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) 2715e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return; 2725e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2737bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_mark_last_busy(data->udev); 2745e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_anchor_urb(urb, &data->intr_anchor); 2755e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2765e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann err = usb_submit_urb(urb, GFP_ATOMIC); 2775e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 2784935f1c164ac528dff3538f97953b385ba500710Paul Bolle /* -EPERM: urb is being killed; 2794935f1c164ac528dff3538f97953b385ba500710Paul Bolle * -ENODEV: device got disconnected */ 2804935f1c164ac528dff3538f97953b385ba500710Paul Bolle if (err != -EPERM && err != -ENODEV) 28161faddf661a65a179751dc9fd209cb694d9a28afStefan Seyfried BT_ERR("%s urb %p failed to resubmit (%d)", 2825e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->name, urb, -err); 2835e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_unanchor_urb(urb); 2845e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 2855e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 2865e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2872eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmannstatic int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) 2885e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 289155961e8001719af6d87cbcc961111e8ce477843David Herrmann struct btusb_data *data = hci_get_drvdata(hdev); 2905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct urb *urb; 2915e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann unsigned char *buf; 2925e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann unsigned int pipe; 2935e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann int err, size; 2945e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2955e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 2965e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 2979bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->intr_ep) 2989bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 2999bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 3002eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann urb = usb_alloc_urb(0, mem_flags); 3015e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!urb) 3025e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 3035e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3045e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann size = le16_to_cpu(data->intr_ep->wMaxPacketSize); 3055e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3062eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann buf = kmalloc(size, mem_flags); 3075e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!buf) { 3085e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_free_urb(urb); 3095e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 3105e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 3115e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3125e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); 3135e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3145e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_fill_int_urb(urb, data->udev, pipe, buf, size, 3155e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann btusb_intr_complete, hdev, 3165e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->intr_ep->bInterval); 3175e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3185e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb->transfer_flags |= URB_FREE_BUFFER; 3195e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3205e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_anchor_urb(urb, &data->intr_anchor); 3215e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3222eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann err = usb_submit_urb(urb, mem_flags); 3235e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 324d4b8d1c9c1564f4cbce86cbbee099fadf735b226Paul Bolle if (err != -EPERM && err != -ENODEV) 325d4b8d1c9c1564f4cbce86cbbee099fadf735b226Paul Bolle BT_ERR("%s urb %p submission failed (%d)", 3265e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->name, urb, -err); 3275e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_unanchor_urb(urb); 3285e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 3295e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3305e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_free_urb(urb); 3315e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3325e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return err; 3335e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 3345e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3355e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_bulk_complete(struct urb *urb) 3365e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 3375e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev = urb->context; 338155961e8001719af6d87cbcc961111e8ce477843David Herrmann struct btusb_data *data = hci_get_drvdata(hdev); 3395e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann int err; 3405e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3415e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s urb %p status %d count %d", hdev->name, 3425e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb, urb->status, urb->actual_length); 3435e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3445e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_bit(HCI_RUNNING, &hdev->flags)) 3455e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return; 3465e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3475e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (urb->status == 0) { 3489bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hdev->stat.byte_rx += urb->actual_length; 3499bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 3505e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, 3515e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb->transfer_buffer, 3525e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb->actual_length) < 0) { 3535e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_ERR("%s corrupted ACL packet", hdev->name); 3545e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.err_rx++; 3555e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 3565e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 3575e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3585e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) 3595e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return; 3605e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3615e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_anchor_urb(urb, &data->bulk_anchor); 362652fd781a52ad6e24b908cd8b83d12699754f253Oliver Neukum usb_mark_last_busy(data->udev); 3635e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3645e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann err = usb_submit_urb(urb, GFP_ATOMIC); 3655e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 3664935f1c164ac528dff3538f97953b385ba500710Paul Bolle /* -EPERM: urb is being killed; 3674935f1c164ac528dff3538f97953b385ba500710Paul Bolle * -ENODEV: device got disconnected */ 3684935f1c164ac528dff3538f97953b385ba500710Paul Bolle if (err != -EPERM && err != -ENODEV) 36961faddf661a65a179751dc9fd209cb694d9a28afStefan Seyfried BT_ERR("%s urb %p failed to resubmit (%d)", 3705e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->name, urb, -err); 3715e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_unanchor_urb(urb); 3725e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 3735e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 3745e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3752eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmannstatic int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) 3765e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 377155961e8001719af6d87cbcc961111e8ce477843David Herrmann struct btusb_data *data = hci_get_drvdata(hdev); 3785e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct urb *urb; 3795e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann unsigned char *buf; 3805e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann unsigned int pipe; 381290ba200815fdecb4d40dc942499c4ea6d0c4624Vikram Kandukuri int err, size = HCI_MAX_FRAME_SIZE; 3825e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3835e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 3845e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3859bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->bulk_rx_ep) 3869bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 3879bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 3882eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann urb = usb_alloc_urb(0, mem_flags); 3895e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!urb) 3905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 3915e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3922eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann buf = kmalloc(size, mem_flags); 3935e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!buf) { 3945e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_free_urb(urb); 3955e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 3965e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 3975e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 3985e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); 3995e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 4005e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_fill_bulk_urb(urb, data->udev, pipe, 4015e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann buf, size, btusb_bulk_complete, hdev); 4025e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 4035e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb->transfer_flags |= URB_FREE_BUFFER; 4045e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 4057bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_mark_last_busy(data->udev); 4065e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_anchor_urb(urb, &data->bulk_anchor); 4075e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 4082eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann err = usb_submit_urb(urb, mem_flags); 4095e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 410d4b8d1c9c1564f4cbce86cbbee099fadf735b226Paul Bolle if (err != -EPERM && err != -ENODEV) 411d4b8d1c9c1564f4cbce86cbbee099fadf735b226Paul Bolle BT_ERR("%s urb %p submission failed (%d)", 4125e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->name, urb, -err); 4135e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_unanchor_urb(urb); 4145e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 4155e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 4165e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_free_urb(urb); 4175e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 4185e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return err; 4195e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 4205e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 4219bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmannstatic void btusb_isoc_complete(struct urb *urb) 4229bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann{ 4239bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct hci_dev *hdev = urb->context; 424155961e8001719af6d87cbcc961111e8ce477843David Herrmann struct btusb_data *data = hci_get_drvdata(hdev); 4259bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann int i, err; 4269bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4279bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_DBG("%s urb %p status %d count %d", hdev->name, 4289bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb, urb->status, urb->actual_length); 4299bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4309bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!test_bit(HCI_RUNNING, &hdev->flags)) 4319bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return; 4329bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4339bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (urb->status == 0) { 4349bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann for (i = 0; i < urb->number_of_packets; i++) { 4359bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann unsigned int offset = urb->iso_frame_desc[i].offset; 4369bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann unsigned int length = urb->iso_frame_desc[i].actual_length; 4379bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4389bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (urb->iso_frame_desc[i].status) 4399bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann continue; 4409bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4419bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hdev->stat.byte_rx += length; 4429bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4439bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, 4449bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->transfer_buffer + offset, 4459bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann length) < 0) { 4469bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_ERR("%s corrupted SCO packet", hdev->name); 4479bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hdev->stat.err_rx++; 4489bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 4499bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 4509bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 4519bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4529bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) 4539bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return; 4549bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4559bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_anchor_urb(urb, &data->isoc_anchor); 4569bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4579bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann err = usb_submit_urb(urb, GFP_ATOMIC); 4589bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (err < 0) { 4594935f1c164ac528dff3538f97953b385ba500710Paul Bolle /* -EPERM: urb is being killed; 4604935f1c164ac528dff3538f97953b385ba500710Paul Bolle * -ENODEV: device got disconnected */ 4614935f1c164ac528dff3538f97953b385ba500710Paul Bolle if (err != -EPERM && err != -ENODEV) 46261faddf661a65a179751dc9fd209cb694d9a28afStefan Seyfried BT_ERR("%s urb %p failed to resubmit (%d)", 4639bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hdev->name, urb, -err); 4649bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_unanchor_urb(urb); 4659bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 4669bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann} 4679bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 46842b16b3fbb5ee4555f5dee6220f3ccaa6e1ebe47Jesper Juhlstatic inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) 4699bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann{ 4709bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann int i, offset = 0; 4719bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4729bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_DBG("len %d mtu %d", len, mtu); 4739bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4749bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; 4759bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann i++, offset += mtu, len -= mtu) { 4769bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->iso_frame_desc[i].offset = offset; 4779bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->iso_frame_desc[i].length = mtu; 4789bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 4799bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4809bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (len && i < BTUSB_MAX_ISOC_FRAMES) { 4819bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->iso_frame_desc[i].offset = offset; 4829bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->iso_frame_desc[i].length = len; 4839bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann i++; 4849bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 4859bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4869bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->number_of_packets = i; 4879bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann} 4889bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4892eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmannstatic int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) 4909bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann{ 491155961e8001719af6d87cbcc961111e8ce477843David Herrmann struct btusb_data *data = hci_get_drvdata(hdev); 4929bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct urb *urb; 4939bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann unsigned char *buf; 4949bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann unsigned int pipe; 4959bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann int err, size; 4969bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4979bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_DBG("%s", hdev->name); 4989bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 4999bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->isoc_rx_ep) 5009bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 5019bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5022eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); 5039bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!urb) 5049bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENOMEM; 5059bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5069bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * 5079bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BTUSB_MAX_ISOC_FRAMES; 5089bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5092eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann buf = kmalloc(size, mem_flags); 5109bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!buf) { 5119bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_free_urb(urb); 5129bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENOMEM; 5139bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 5149bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5159bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); 5169bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 517fa0fb93f2ac308a76fa64eb57c18511dadf97089Bing Zhao usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, 518fa0fb93f2ac308a76fa64eb57c18511dadf97089Bing Zhao hdev, data->isoc_rx_ep->bInterval); 5199bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5209bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; 5219bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5229bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann __fill_isoc_descriptor(urb, size, 5239bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); 5249bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5259bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_anchor_urb(urb, &data->isoc_anchor); 5269bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5272eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann err = usb_submit_urb(urb, mem_flags); 5289bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (err < 0) { 529d4b8d1c9c1564f4cbce86cbbee099fadf735b226Paul Bolle if (err != -EPERM && err != -ENODEV) 530d4b8d1c9c1564f4cbce86cbbee099fadf735b226Paul Bolle BT_ERR("%s urb %p submission failed (%d)", 5319bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hdev->name, urb, -err); 5329bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_unanchor_urb(urb); 5339bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 5349bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5359bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_free_urb(urb); 5369bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5379bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return err; 5389bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann} 5399bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 5405e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_tx_complete(struct urb *urb) 5415e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 5425e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct sk_buff *skb = urb->context; 5435e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev = (struct hci_dev *) skb->dev; 544155961e8001719af6d87cbcc961111e8ce477843David Herrmann struct btusb_data *data = hci_get_drvdata(hdev); 5457bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 5467bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum BT_DBG("%s urb %p status %d count %d", hdev->name, 5477bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum urb, urb->status, urb->actual_length); 5487bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 5497bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (!test_bit(HCI_RUNNING, &hdev->flags)) 5507bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum goto done; 5517bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 5527bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (!urb->status) 5537bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum hdev->stat.byte_tx += urb->transfer_buffer_length; 5547bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum else 5557bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum hdev->stat.err_tx++; 5567bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 5577bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumdone: 5587bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_lock(&data->txlock); 5597bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum data->tx_in_flight--; 5607bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_unlock(&data->txlock); 5617bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 5627bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum kfree(urb->setup_packet); 5637bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 5647bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum kfree_skb(skb); 5657bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum} 5667bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 5677bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumstatic void btusb_isoc_tx_complete(struct urb *urb) 5687bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum{ 5697bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum struct sk_buff *skb = urb->context; 5707bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum struct hci_dev *hdev = (struct hci_dev *) skb->dev; 5715e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5725e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s urb %p status %d count %d", hdev->name, 5735e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb, urb->status, urb->actual_length); 5745e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5755e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_bit(HCI_RUNNING, &hdev->flags)) 5765e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann goto done; 5775e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5785e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!urb->status) 5795e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.byte_tx += urb->transfer_buffer_length; 5805e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann else 5815e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.err_tx++; 5825e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5835e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmanndone: 5845e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree(urb->setup_packet); 5855e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5865e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree_skb(skb); 5875e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 5885e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5895e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic int btusb_open(struct hci_dev *hdev) 5905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 591155961e8001719af6d87cbcc961111e8ce477843David Herrmann struct btusb_data *data = hci_get_drvdata(hdev); 5925e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann int err; 5935e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5945e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 5955e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 5967bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum err = usb_autopm_get_interface(data->intf); 5977bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (err < 0) 5987bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum return err; 5997bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 6007bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum data->intf->needs_remote_wakeup = 1; 6017bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 6025e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) 6037bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum goto done; 6045e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6055e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) 6067bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum goto done; 6075e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6082eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann err = btusb_submit_intr_urb(hdev, GFP_KERNEL); 60943c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann if (err < 0) 61043c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann goto failed; 61143c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann 61243c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); 6135e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 61443c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann usb_kill_anchored_urbs(&data->intr_anchor); 61543c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann goto failed; 6165e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 6175e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 61843c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann set_bit(BTUSB_BULK_RUNNING, &data->flags); 61943c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann btusb_submit_bulk_urb(hdev, GFP_KERNEL); 62043c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann 6217bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumdone: 6227bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_autopm_put_interface(data->intf); 62343c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann return 0; 62443c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann 62543c2e57f94c15744495fee564610aa24602b3824Marcel Holtmannfailed: 62643c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann clear_bit(BTUSB_INTR_RUNNING, &data->flags); 62743c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann clear_bit(HCI_RUNNING, &hdev->flags); 6287bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_autopm_put_interface(data->intf); 6295e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return err; 6305e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 6315e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6327bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumstatic void btusb_stop_traffic(struct btusb_data *data) 6337bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum{ 6347bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_kill_anchored_urbs(&data->intr_anchor); 6357bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_kill_anchored_urbs(&data->bulk_anchor); 6367bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_kill_anchored_urbs(&data->isoc_anchor); 6377bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum} 6387bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 6395e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic int btusb_close(struct hci_dev *hdev) 6405e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 641155961e8001719af6d87cbcc961111e8ce477843David Herrmann struct btusb_data *data = hci_get_drvdata(hdev); 6427bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum int err; 6435e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6445e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 6455e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6465e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) 6475e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return 0; 6485e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 649e8c3c3d22b340a406a9aab1b7a9f436636c3de9dMarcel Holtmann cancel_work_sync(&data->work); 650404291ac9e72d118fcadeb939a69b2caa0a0e9caLinus Torvalds cancel_work_sync(&data->waker); 651e8c3c3d22b340a406a9aab1b7a9f436636c3de9dMarcel Holtmann 6529bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 6535e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann clear_bit(BTUSB_BULK_RUNNING, &data->flags); 6545e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann clear_bit(BTUSB_INTR_RUNNING, &data->flags); 6557bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 6567bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum btusb_stop_traffic(data); 6577bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum err = usb_autopm_get_interface(data->intf); 6587bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (err < 0) 6597b8e2c1db0f358bc389dd1ee4633a92d80a5a6d0Oliver Neukum goto failed; 6607bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 6617bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum data->intf->needs_remote_wakeup = 0; 6627bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_autopm_put_interface(data->intf); 6635e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6647b8e2c1db0f358bc389dd1ee4633a92d80a5a6d0Oliver Neukumfailed: 6657b8e2c1db0f358bc389dd1ee4633a92d80a5a6d0Oliver Neukum usb_scuttle_anchored_urbs(&data->deferred); 6665e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return 0; 6675e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 6685e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6695e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic int btusb_flush(struct hci_dev *hdev) 6705e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 671155961e8001719af6d87cbcc961111e8ce477843David Herrmann struct btusb_data *data = hci_get_drvdata(hdev); 6725e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6735e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 6745e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6755e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_kill_anchored_urbs(&data->tx_anchor); 6765e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6775e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return 0; 6785e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 6795e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6805e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic int btusb_send_frame(struct sk_buff *skb) 6815e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 6825e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev = (struct hci_dev *) skb->dev; 683155961e8001719af6d87cbcc961111e8ce477843David Herrmann struct btusb_data *data = hci_get_drvdata(hdev); 6845e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_ctrlrequest *dr; 6855e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct urb *urb; 6865e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann unsigned int pipe; 6875e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann int err; 6885e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6895e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s", hdev->name); 6905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6915e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!test_bit(HCI_RUNNING, &hdev->flags)) 6925e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -EBUSY; 6935e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 6945e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann switch (bt_cb(skb)->pkt_type) { 6955e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann case HCI_COMMAND_PKT: 6965e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb = usb_alloc_urb(0, GFP_ATOMIC); 6975e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!urb) 6985e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 6995e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7005e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann dr = kmalloc(sizeof(*dr), GFP_ATOMIC); 7015e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!dr) { 7025e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_free_urb(urb); 7035e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 7045e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 7055e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7067a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann dr->bRequestType = data->cmdreq_type; 7075e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann dr->bRequest = 0; 7085e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann dr->wIndex = 0; 7095e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann dr->wValue = 0; 7105e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann dr->wLength = __cpu_to_le16(skb->len); 7115e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7125e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann pipe = usb_sndctrlpipe(data->udev, 0x00); 7135e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7145e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, 7155e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann skb->data, skb->len, btusb_tx_complete, skb); 7165e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7175e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.cmd_tx++; 7185e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann break; 7195e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7205e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann case HCI_ACLDATA_PKT: 7219fd481e03c1e9c76c814b88b9ea1cbda9afb0812Peter Hurley if (!data->bulk_tx_ep) 7229bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 7239bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7245e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann urb = usb_alloc_urb(0, GFP_ATOMIC); 7255e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!urb) 7265e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 7275e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7285e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann pipe = usb_sndbulkpipe(data->udev, 7295e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->bulk_tx_ep->bEndpointAddress); 7305e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7315e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_fill_bulk_urb(urb, data->udev, pipe, 7325e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann skb->data, skb->len, btusb_tx_complete, skb); 7335e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7345e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.acl_tx++; 7355e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann break; 7365e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7375e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann case HCI_SCODATA_PKT: 7389bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) 7399bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 7409bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7419bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); 7429bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!urb) 7439bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENOMEM; 7449bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7459bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann pipe = usb_sndisocpipe(data->udev, 7469bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc_tx_ep->bEndpointAddress); 7479bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 74803c2d0e89409b59c1ec9d9511533cedc0b7aaa69Gustavo F. Padovan usb_fill_int_urb(urb, data->udev, pipe, 74903c2d0e89409b59c1ec9d9511533cedc0b7aaa69Gustavo F. Padovan skb->data, skb->len, btusb_isoc_tx_complete, 75003c2d0e89409b59c1ec9d9511533cedc0b7aaa69Gustavo F. Padovan skb, data->isoc_tx_ep->bInterval); 7519bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7529bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann urb->transfer_flags = URB_ISO_ASAP; 7539bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7549bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann __fill_isoc_descriptor(urb, skb->len, 7559bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); 7569bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 7575e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->stat.sco_tx++; 7587bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum goto skip_waking; 7595e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7605e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann default: 7615e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -EILSEQ; 7625e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 7635e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7647bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum err = inc_tx(data); 7657bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (err) { 7667bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_anchor_urb(urb, &data->deferred); 7677bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum schedule_work(&data->waker); 7687bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum err = 0; 7697bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum goto done; 7707bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum } 7717bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 7727bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumskip_waking: 7735e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_anchor_urb(urb, &data->tx_anchor); 7745e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7755e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann err = usb_submit_urb(urb, GFP_ATOMIC); 7765e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 7775a9b80e2cd993f77d6d068470a4fd77fdfae44abPaul Bolle if (err != -EPERM && err != -ENODEV) 7785a9b80e2cd993f77d6d068470a4fd77fdfae44abPaul Bolle BT_ERR("%s urb %p submission failed (%d)", 7795a9b80e2cd993f77d6d068470a4fd77fdfae44abPaul Bolle hdev->name, urb, -err); 7805e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree(urb->setup_packet); 7815e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_unanchor_urb(urb); 7827bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum } else { 7837bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_mark_last_busy(data->udev); 7845e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 7855e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7867bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumdone: 78754a8a79c55ce283c94ce4c67a98d28c21830405aCong Wang usb_free_urb(urb); 7885e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return err; 7895e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 7905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7915e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_notify(struct hci_dev *hdev, unsigned int evt) 7925e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 793155961e8001719af6d87cbcc961111e8ce477843David Herrmann struct btusb_data *data = hci_get_drvdata(hdev); 7945e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 7955e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("%s evt %d", hdev->name, evt); 7965e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 79743c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann if (hdev->conn_hash.sco_num != data->sco_num) { 79843c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann data->sco_num = hdev->conn_hash.sco_num; 79943c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann schedule_work(&data->work); 800a780efa8124fe7ef23d8ef844d56afe960356615Marcel Holtmann } 8015e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 8025e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 80342b16b3fbb5ee4555f5dee6220f3ccaa6e1ebe47Jesper Juhlstatic inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) 8049bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann{ 805155961e8001719af6d87cbcc961111e8ce477843David Herrmann struct btusb_data *data = hci_get_drvdata(hdev); 8069bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_interface *intf = data->isoc; 8079bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_endpoint_descriptor *ep_desc; 8089bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann int i, err; 8099bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8109bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->isoc) 8119bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 8129bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8139bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann err = usb_set_interface(data->udev, 1, altsetting); 8149bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (err < 0) { 8159bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_ERR("%s setting interface failed (%d)", hdev->name, -err); 8169bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return err; 8179bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 8189bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8199bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc_altsetting = altsetting; 8209bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8219bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc_tx_ep = NULL; 8229bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc_rx_ep = NULL; 8239bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8249bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { 8259bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann ep_desc = &intf->cur_altsetting->endpoint[i].desc; 8269bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8279bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { 8289bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc_tx_ep = ep_desc; 8299bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann continue; 8309bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 8319bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8329bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { 8339bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc_rx_ep = ep_desc; 8349bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann continue; 8359bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 8369bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 8379bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8389bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!data->isoc_tx_ep || !data->isoc_rx_ep) { 8399bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann BT_ERR("%s invalid SCO descriptors", hdev->name); 8409bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return -ENODEV; 8419bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 8429bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8439bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return 0; 8449bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann} 8459bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8465e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_work(struct work_struct *work) 8475e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 8485e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = container_of(work, struct btusb_data, work); 8495e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev = data->hdev; 8507bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum int err; 8515e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 8529bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (hdev->conn_hash.sco_num > 0) { 85308b8b6c454092ae19cea82787b86ee9596ae1951Gustavo F. Padovan if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { 8548efdd0cdc54f3bb5db464b3baf88f7441f54da47Oliver Neukum err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); 8557bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (err < 0) { 8567bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 8577bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_kill_anchored_urbs(&data->isoc_anchor); 8587bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum return; 8597bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum } 8607bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 86108b8b6c454092ae19cea82787b86ee9596ae1951Gustavo F. Padovan set_bit(BTUSB_DID_ISO_RESUME, &data->flags); 8627bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum } 8639bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (data->isoc_altsetting != 2) { 8649bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 8659bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_kill_anchored_urbs(&data->isoc_anchor); 8669bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8679bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (__set_isoc_interface(hdev, 2) < 0) 8689bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return; 8699bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 8709bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8719bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { 8722eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) 8739bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 8749bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann else 8752eda66f4a0b9803c6a85d5e5ccd8e802bd23b998Marcel Holtmann btusb_submit_isoc_urb(hdev, GFP_KERNEL); 8769bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 8779bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } else { 8789bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 8799bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann usb_kill_anchored_urbs(&data->isoc_anchor); 8809bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 8819bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann __set_isoc_interface(hdev, 0); 88208b8b6c454092ae19cea82787b86ee9596ae1951Gustavo F. Padovan if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) 8838efdd0cdc54f3bb5db464b3baf88f7441f54da47Oliver Neukum usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); 8845e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 8855e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 8865e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 8877bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumstatic void btusb_waker(struct work_struct *work) 8887bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum{ 8897bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum struct btusb_data *data = container_of(work, struct btusb_data, waker); 8907bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum int err; 8917bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 8927bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum err = usb_autopm_get_interface(data->intf); 8937bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (err < 0) 8947bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum return; 8957bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 8967bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_autopm_put_interface(data->intf); 8977bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum} 8987bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 8995e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic int btusb_probe(struct usb_interface *intf, 9005e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann const struct usb_device_id *id) 9015e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 9025e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct usb_endpoint_descriptor *ep_desc; 9035e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data; 9045e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev; 9055e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann int i, err; 9065e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9075e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("intf %p id %p", intf, id); 9085e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 909cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann /* interface numbers are hardcoded in the spec */ 9105e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (intf->cur_altsetting->desc.bInterfaceNumber != 0) 9115e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENODEV; 9125e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9135e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!id->driver_info) { 9145e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann const struct usb_device_id *match; 9155e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann match = usb_match_id(intf, blacklist_table); 9165e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (match) 9175e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann id = match; 9185e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 9195e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 920cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (id->driver_info == BTUSB_IGNORE) 921cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann return -ENODEV; 922cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 923cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) 924cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann return -ENODEV; 925cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 926cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (ignore_csr && id->driver_info & BTUSB_CSR) 927cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann return -ENODEV; 928cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 929cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) 930cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann return -ENODEV; 931cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 9322d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li if (id->driver_info & BTUSB_ATH3012) { 9332d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li struct usb_device *udev = interface_to_usbdev(intf); 9342d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li 9352d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li /* Old firmware would otherwise let ath3k driver load 9362d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li * patch and sysconfig files */ 9372d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) 9382d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li return -ENODEV; 9392d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li } 9402d25f8b462f3b849d8913d02978657ef06e67dd8Steven.Li 9415e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data = kzalloc(sizeof(*data), GFP_KERNEL); 9425e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!data) 9435e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 9445e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9455e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { 9465e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann ep_desc = &intf->cur_altsetting->endpoint[i].desc; 9475e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9485e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { 9495e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->intr_ep = ep_desc; 9505e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann continue; 9515e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 9525e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9535e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { 9545e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->bulk_tx_ep = ep_desc; 9555e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann continue; 9565e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 9575e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9585e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { 9595e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->bulk_rx_ep = ep_desc; 9605e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann continue; 9615e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 9625e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 9635e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9645e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) { 9655e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree(data); 9665e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENODEV; 9675e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 9685e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9697a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann data->cmdreq_type = USB_TYPE_CLASS; 9707a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann 9715e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->udev = interface_to_usbdev(intf); 9725fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann data->intf = intf; 9735e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9745e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann spin_lock_init(&data->lock); 9755e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9765e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann INIT_WORK(&data->work, btusb_work); 9777bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum INIT_WORK(&data->waker, btusb_waker); 9787bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_lock_init(&data->txlock); 9795e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9805e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann init_usb_anchor(&data->tx_anchor); 9815e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann init_usb_anchor(&data->intr_anchor); 9825e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann init_usb_anchor(&data->bulk_anchor); 9839bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann init_usb_anchor(&data->isoc_anchor); 9847bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum init_usb_anchor(&data->deferred); 9855e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9865e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev = hci_alloc_dev(); 9875e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!hdev) { 9885e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree(data); 9895e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return -ENOMEM; 9905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 9915e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 992c13854cef4751000b968d4e8ac95796562d5b96fMarcel Holtmann hdev->bus = HCI_USB; 993155961e8001719af6d87cbcc961111e8ce477843David Herrmann hci_set_drvdata(hdev, data); 9945e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9955e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann data->hdev = hdev; 9965e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9975e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann SET_HCIDEV_DEV(hdev, &intf->dev); 9985e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 9995e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->open = btusb_open; 10005e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->close = btusb_close; 10015e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->flush = btusb_flush; 10025e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->send = btusb_send_frame; 10035e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev->notify = btusb_notify; 10045e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10057a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann /* Interface numbers are hardcoded in the specification */ 10069bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc = usb_ifnum_to_if(data->udev, 1); 10079bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 10087a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann if (!reset) 10097a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); 1010cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1011cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { 1012cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (!disable_scofix) 1013cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); 1014cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann } 1015cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 10169bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (id->driver_info & BTUSB_BROKEN_ISOC) 10179bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc = NULL; 10189bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 10197a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann if (id->driver_info & BTUSB_DIGIANSWER) { 10207a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann data->cmdreq_type = USB_TYPE_VENDOR; 10217a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); 10227a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann } 10237a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann 10247a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann if (id->driver_info & BTUSB_CSR) { 10257a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann struct usb_device *udev = data->udev; 10267a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann 10277a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann /* Old firmware would otherwise execute USB reset */ 10287a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) 10297a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann set_bit(HCI_QUIRK_NO_RESET, &hdev->quirks); 10307a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann } 10317a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann 1032cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (id->driver_info & BTUSB_SNIFFER) { 10339bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann struct usb_device *udev = data->udev; 1034cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 10357a9d4020533b5c0c615b6de3be154c9ff30b8cc9Marcel Holtmann /* New sniffer firmware has crippled HCI interface */ 1036cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) 1037cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); 10389bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 10399bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann data->isoc = NULL; 1040cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann } 1041cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1042cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (id->driver_info & BTUSB_BCM92035) { 1043cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 }; 1044cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann struct sk_buff *skb; 1045cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1046cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); 1047cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann if (skb) { 1048cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); 1049cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann skb_queue_tail(&hdev->driver_init, skb); 1050cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann } 1051cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann } 10525e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10539bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (data->isoc) { 10549bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann err = usb_driver_claim_interface(&btusb_driver, 10555fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann data->isoc, data); 10569bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann if (err < 0) { 10579bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann hci_free_dev(hdev); 10589bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann kfree(data); 10599bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann return err; 10609bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 10619bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann } 10629bfa35fe422c74882e27cc54450a5f76c96aad68Marcel Holtmann 10635e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann err = hci_register_dev(hdev); 10645e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (err < 0) { 10655e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hci_free_dev(hdev); 10665e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann kfree(data); 10675e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return err; 10685e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann } 10695e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10705e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann usb_set_intfdata(intf, data); 10715e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10725e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return 0; 10735e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 10745e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10755e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic void btusb_disconnect(struct usb_interface *intf) 10765e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann{ 10775e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct btusb_data *data = usb_get_intfdata(intf); 10785e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann struct hci_dev *hdev; 10795e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10805e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann BT_DBG("intf %p", intf); 10815e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10825e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann if (!data) 10835e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann return; 10845e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10855e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hdev = data->hdev; 10865fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann usb_set_intfdata(data->intf, NULL); 10875fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann 10885fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann if (data->isoc) 10895fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann usb_set_intfdata(data->isoc, NULL); 10905e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10915e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hci_unregister_dev(hdev); 10925e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 10935fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann if (intf == data->isoc) 10945fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann usb_driver_release_interface(&btusb_driver, data->intf); 10955fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann else if (data->isoc) 10965fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann usb_driver_release_interface(&btusb_driver, data->isoc); 10975fbcd260c2c52f78cd699f65e9c7af2e60b5380cMarcel Holtmann 10985e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann hci_free_dev(hdev); 10998381088e39d03c55552b9dfb09b9b303e96acc78David Herrmann kfree(data); 11005e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann} 11015e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 11027bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum#ifdef CONFIG_PM 11036a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmannstatic int btusb_suspend(struct usb_interface *intf, pm_message_t message) 11046a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann{ 11056a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann struct btusb_data *data = usb_get_intfdata(intf); 11066a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11076a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann BT_DBG("intf %p", intf); 11086a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11096a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (data->suspend_count++) 11106a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann return 0; 11116a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11127bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_lock_irq(&data->txlock); 11135b1b0b812a7b1a5b968c5d06d90d1cb88621b941Alan Stern if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { 11147bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum set_bit(BTUSB_SUSPENDING, &data->flags); 11157bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_unlock_irq(&data->txlock); 11167bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum } else { 11177bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_unlock_irq(&data->txlock); 11187bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum data->suspend_count--; 11197bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum return -EBUSY; 11207bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum } 11217bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 11226a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann cancel_work_sync(&data->work); 11236a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11247bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum btusb_stop_traffic(data); 11256a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann usb_kill_anchored_urbs(&data->tx_anchor); 11266a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11276a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann return 0; 11286a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann} 11296a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11307bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumstatic void play_deferred(struct btusb_data *data) 11317bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum{ 11327bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum struct urb *urb; 11337bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum int err; 11347bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 11357bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum while ((urb = usb_get_from_anchor(&data->deferred))) { 11367bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum err = usb_submit_urb(urb, GFP_ATOMIC); 11377bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum if (err < 0) 11387bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum break; 11397bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 11407bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum data->tx_in_flight++; 11417bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum } 11427bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_scuttle_anchored_urbs(&data->deferred); 11437bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum} 11447bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 11456a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmannstatic int btusb_resume(struct usb_interface *intf) 11466a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann{ 11476a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann struct btusb_data *data = usb_get_intfdata(intf); 11486a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann struct hci_dev *hdev = data->hdev; 11497bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum int err = 0; 11506a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11516a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann BT_DBG("intf %p", intf); 11526a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11536a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (--data->suspend_count) 11546a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann return 0; 11556a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11566a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (!test_bit(HCI_RUNNING, &hdev->flags)) 11577bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum goto done; 11586a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11596a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { 11606a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann err = btusb_submit_intr_urb(hdev, GFP_NOIO); 11616a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (err < 0) { 11626a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann clear_bit(BTUSB_INTR_RUNNING, &data->flags); 11637bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum goto failed; 11646a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann } 11656a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann } 11666a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11676a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { 116843c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann err = btusb_submit_bulk_urb(hdev, GFP_NOIO); 116943c2e57f94c15744495fee564610aa24602b3824Marcel Holtmann if (err < 0) { 11706a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann clear_bit(BTUSB_BULK_RUNNING, &data->flags); 11717bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum goto failed; 11727bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum } 11737bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 11747bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum btusb_submit_bulk_urb(hdev, GFP_NOIO); 11756a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann } 11766a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11776a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { 11786a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) 11796a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 11806a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann else 11816a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann btusb_submit_isoc_urb(hdev, GFP_NOIO); 11826a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann } 11836a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 11847bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_lock_irq(&data->txlock); 11857bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum play_deferred(data); 11867bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum clear_bit(BTUSB_SUSPENDING, &data->flags); 11877bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_unlock_irq(&data->txlock); 11887bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum schedule_work(&data->work); 11897bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 11906a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann return 0; 11917bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 11927bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumfailed: 11937bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum usb_scuttle_anchored_urbs(&data->deferred); 11947bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukumdone: 11957bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_lock_irq(&data->txlock); 11967bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum clear_bit(BTUSB_SUSPENDING, &data->flags); 11977bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum spin_unlock_irq(&data->txlock); 11987bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum 11997bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum return err; 12006a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann} 12017bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum#endif 12026a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann 12035e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmannstatic struct usb_driver btusb_driver = { 12045e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann .name = "btusb", 12055e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann .probe = btusb_probe, 12065e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann .disconnect = btusb_disconnect, 12077bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum#ifdef CONFIG_PM 12086a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann .suspend = btusb_suspend, 12096a88adf2adf5d6a3b759c2e114da4c5266ca3972Marcel Holtmann .resume = btusb_resume, 12107bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum#endif 12115e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann .id_table = btusb_table, 12127bee549e197c9c0e92b89857a409675c1d5e9dffOliver Neukum .supports_autosuspend = 1, 12135e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann}; 12145e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 121593f1508cffc3d578c2b7bbbf298dc52326b80777Greg Kroah-Hartmanmodule_usb_driver(btusb_driver); 12165e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel Holtmann 1217cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannmodule_param(ignore_dga, bool, 0644); 1218cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel HoltmannMODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); 1219cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1220cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannmodule_param(ignore_csr, bool, 0644); 1221cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel HoltmannMODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); 1222cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1223cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannmodule_param(ignore_sniffer, bool, 0644); 1224cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel HoltmannMODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); 1225cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1226cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannmodule_param(disable_scofix, bool, 0644); 1227cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel HoltmannMODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); 1228cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1229cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannmodule_param(force_scofix, bool, 0644); 1230cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel HoltmannMODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); 1231cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 1232cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmannmodule_param(reset, bool, 0644); 1233cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel HoltmannMODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); 1234cfeb414537b1d7c23ba202f198fa4154cd5a4856Marcel Holtmann 12355e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel HoltmannMODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); 12365e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel HoltmannMODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); 12375e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel HoltmannMODULE_VERSION(VERSION); 12385e23b923da03de7e41f00f5664ae22c4f7dcd2a3Marcel HoltmannMODULE_LICENSE("GPL"); 1239