Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Generic Bluetooth USB driver |
| 4 | * |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 5 | * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 6 | * |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 21 | * |
| 22 | */ |
| 23 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 24 | #include <linux/module.h> |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 25 | #include <linux/usb.h> |
| 26 | |
| 27 | #include <net/bluetooth/bluetooth.h> |
| 28 | #include <net/bluetooth/hci_core.h> |
| 29 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 30 | #define VERSION "0.6" |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 31 | |
Rusty Russell | 90ab5ee | 2012-01-13 09:32:20 +1030 | [diff] [blame] | 32 | static bool ignore_dga; |
| 33 | static bool ignore_csr; |
| 34 | static bool ignore_sniffer; |
| 35 | static bool disable_scofix; |
| 36 | static bool force_scofix; |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 37 | |
Rusty Russell | 90ab5ee | 2012-01-13 09:32:20 +1030 | [diff] [blame] | 38 | static bool reset = 1; |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 39 | |
| 40 | static struct usb_driver btusb_driver; |
| 41 | |
| 42 | #define BTUSB_IGNORE 0x01 |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 43 | #define BTUSB_DIGIANSWER 0x02 |
| 44 | #define BTUSB_CSR 0x04 |
| 45 | #define BTUSB_SNIFFER 0x08 |
| 46 | #define BTUSB_BCM92035 0x10 |
| 47 | #define BTUSB_BROKEN_ISOC 0x20 |
| 48 | #define BTUSB_WRONG_SCO_MTU 0x40 |
Steven.Li | 2d25f8b | 2011-07-01 14:02:36 +0800 | [diff] [blame] | 49 | #define BTUSB_ATH3012 0x80 |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 50 | |
| 51 | static struct usb_device_id btusb_table[] = { |
| 52 | /* Generic Bluetooth USB device */ |
| 53 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, |
| 54 | |
Henrik Rydberg | 1fa6535 | 2012-08-25 19:28:06 +0200 | [diff] [blame] | 55 | /* Apple-specific (Broadcom) devices */ |
| 56 | { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) }, |
| 57 | |
Oliver Neukum | c510eae | 2011-09-21 11:41:45 +0200 | [diff] [blame] | 58 | /* Broadcom SoftSailing reporting vendor specific */ |
Don Zickus | 2e8b5063 | 2012-03-28 16:41:11 -0400 | [diff] [blame] | 59 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
Oliver Neukum | c510eae | 2011-09-21 11:41:45 +0200 | [diff] [blame] | 60 | |
Nobuhiro Iwamatsu | 3cd0197 | 2010-08-20 16:24:07 +0900 | [diff] [blame] | 61 | /* Apple MacBookPro 7,1 */ |
| 62 | { USB_DEVICE(0x05ac, 0x8213) }, |
| 63 | |
Cyril Lacoux | 0a79f67 | 2010-07-14 10:29:27 +0400 | [diff] [blame] | 64 | /* Apple iMac11,1 */ |
| 65 | { USB_DEVICE(0x05ac, 0x8215) }, |
| 66 | |
Nobuhiro Iwamatsu | 9c04715 | 2010-08-20 16:24:06 +0900 | [diff] [blame] | 67 | /* Apple MacBookPro6,2 */ |
| 68 | { USB_DEVICE(0x05ac, 0x8218) }, |
| 69 | |
Edgar (gimli) Hucek | 3e3ede7 | 2010-11-04 08:04:33 +0100 | [diff] [blame] | 70 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
| 71 | { USB_DEVICE(0x05ac, 0x821b) }, |
| 72 | |
Pieter-Augustijn Van Malleghem | a63b723 | 2011-09-07 02:28:10 -0400 | [diff] [blame] | 73 | /* Apple MacBookAir4,1 */ |
| 74 | { USB_DEVICE(0x05ac, 0x821f) }, |
| 75 | |
Marc-Antoine Perennou | 88d377b | 2011-03-24 14:51:21 -0300 | [diff] [blame] | 76 | /* Apple MacBookPro8,2 */ |
| 77 | { USB_DEVICE(0x05ac, 0x821a) }, |
| 78 | |
Jurgen Kramer | f78b6826 | 2011-09-04 18:01:42 +0200 | [diff] [blame] | 79 | /* Apple MacMini5,1 */ |
| 80 | { USB_DEVICE(0x05ac, 0x8281) }, |
| 81 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 82 | /* AVM BlueFRITZ! USB v2.0 */ |
| 83 | { USB_DEVICE(0x057c, 0x3800) }, |
| 84 | |
| 85 | /* Bluetooth Ultraport Module from IBM */ |
| 86 | { USB_DEVICE(0x04bf, 0x030a) }, |
| 87 | |
| 88 | /* ALPS Modules with non-standard id */ |
| 89 | { USB_DEVICE(0x044e, 0x3001) }, |
| 90 | { USB_DEVICE(0x044e, 0x3002) }, |
| 91 | |
| 92 | /* Ericsson with non-standard id */ |
| 93 | { USB_DEVICE(0x0bdb, 0x1002) }, |
| 94 | |
| 95 | /* Canyon CN-BTU1 with HID interfaces */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 96 | { USB_DEVICE(0x0c10, 0x0000) }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 97 | |
Wen-chien Jesse Sung | d13431c | 2011-11-08 14:30:22 +0800 | [diff] [blame] | 98 | /* Broadcom BCM20702A0 */ |
Jaroslav Resler | 0c1abbd | 2012-09-11 17:25:32 +0800 | [diff] [blame] | 99 | { USB_DEVICE(0x04ca, 0x2003) }, |
Manoj Iyer | 79cd760 | 2012-04-09 09:22:28 -0500 | [diff] [blame] | 100 | { USB_DEVICE(0x0489, 0xe042) }, |
Wen-chien Jesse Sung | d13431c | 2011-11-08 14:30:22 +0800 | [diff] [blame] | 101 | { USB_DEVICE(0x413c, 0x8197) }, |
| 102 | |
Steven Harms | 9851403 | 2012-04-13 14:45:55 -0400 | [diff] [blame] | 103 | /* Foxconn - Hon Hai */ |
Gustavo Padovan | ee66401 | 2012-08-15 01:38:11 -0300 | [diff] [blame] | 104 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01) }, |
Steven Harms | 9851403 | 2012-04-13 14:45:55 -0400 | [diff] [blame] | 105 | |
Gustavo Padovan | 92c385f | 2012-08-06 15:36:49 -0300 | [diff] [blame] | 106 | /*Broadcom devices with vendor specific id */ |
| 107 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01) }, |
| 108 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 109 | { } /* Terminating entry */ |
| 110 | }; |
| 111 | |
| 112 | MODULE_DEVICE_TABLE(usb, btusb_table); |
| 113 | |
| 114 | static struct usb_device_id blacklist_table[] = { |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 115 | /* CSR BlueCore devices */ |
| 116 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, |
| 117 | |
| 118 | /* Broadcom BCM2033 without firmware */ |
| 119 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, |
| 120 | |
Bala Shanmugam | be93112 | 2010-11-26 17:35:46 +0530 | [diff] [blame] | 121 | /* Atheros 3011 with sflash firmware */ |
| 122 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, |
Marek Vasut | 6eda541 | 2012-06-08 14:32:50 +0200 | [diff] [blame] | 123 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
Andy Ross | 2a7bccc | 2011-05-09 16:11:16 -0700 | [diff] [blame] | 124 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
Ricardo Mendoza | 8e7c3d2 | 2011-07-13 16:04:29 +0100 | [diff] [blame] | 125 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
Keng-Yu Lin | 6b6ba88 | 2011-11-30 18:32:37 +0800 | [diff] [blame] | 126 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, |
Marcos Chaparro | acd9454 | 2012-11-06 16:19:11 -0300 | [diff] [blame] | 127 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
Bala Shanmugam | be93112 | 2010-11-26 17:35:46 +0530 | [diff] [blame] | 128 | |
Cho, Yu-Chen | 509e786 | 2011-01-26 17:10:59 +0800 | [diff] [blame] | 129 | /* Atheros AR9285 Malbec with sflash firmware */ |
| 130 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, |
| 131 | |
Bala Shanmugam | d9f51b5 | 2011-02-11 15:38:53 +0530 | [diff] [blame] | 132 | /* Atheros 3012 with sflash firmware */ |
Steven.Li | 2d25f8b | 2011-07-01 14:02:36 +0800 | [diff] [blame] | 133 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
Cho, Yu-Chen | 07c0ea8 | 2012-03-14 22:01:21 +0200 | [diff] [blame] | 134 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
Eran | 9498ba7 | 2011-12-05 22:15:29 +0000 | [diff] [blame] | 135 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, |
AceLan Kao | 55ed7d4 | 2012-03-28 10:25:36 +0800 | [diff] [blame] | 136 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, |
AceLan Kao | 87522a4 | 2012-04-13 17:39:57 +0800 | [diff] [blame] | 137 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
AceLan Kao | ac71311 | 2012-04-19 14:53:45 +0800 | [diff] [blame] | 138 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
Giancarlo Formicuccia | 6c4ae5c | 2012-06-10 08:33:11 +0200 | [diff] [blame] | 139 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
Peng Chen | 2096ae6 | 2012-08-01 10:11:59 +0800 | [diff] [blame] | 140 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, |
Bala Shanmugam | d9f51b5 | 2011-02-11 15:38:53 +0530 | [diff] [blame] | 141 | |
Cho, Yu-Chen | e9036e3 | 2011-02-15 10:20:07 +0800 | [diff] [blame] | 142 | /* Atheros AR5BBU12 with sflash firmware */ |
| 143 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, |
| 144 | |
Michael Gruetzner | 85d5972 | 2012-05-02 22:33:40 +0200 | [diff] [blame] | 145 | /* Atheros AR5BBU12 with sflash firmware */ |
| 146 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, |
Yevgeniy Melnichuk | bc21fde | 2012-08-07 19:48:10 +0530 | [diff] [blame] | 147 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
Michael Gruetzner | 85d5972 | 2012-05-02 22:33:40 +0200 | [diff] [blame] | 148 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 149 | /* Broadcom BCM2035 */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 150 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 151 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 152 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 153 | |
| 154 | /* Broadcom BCM2045 */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 155 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 156 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | bdbef3d | 2008-09-23 00:16:35 +0200 | [diff] [blame] | 157 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 158 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 159 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 160 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 161 | |
| 162 | /* HP laptop with Broadcom chip */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 163 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 164 | |
| 165 | /* Dell laptop with Broadcom chip */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 166 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 167 | |
Marcel Holtmann | 5ddd4a6 | 2008-11-30 12:17:27 +0100 | [diff] [blame] | 168 | /* Dell Wireless 370 and 410 devices */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 169 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | 5ddd4a6 | 2008-11-30 12:17:27 +0100 | [diff] [blame] | 170 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 171 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 172 | /* Belkin F8T012 and F8T013 devices */ |
| 173 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 174 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 175 | |
Marcel Holtmann | 5ddd4a6 | 2008-11-30 12:17:27 +0100 | [diff] [blame] | 176 | /* Asus WL-BTD202 device */ |
| 177 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 178 | |
| 179 | /* Kensington Bluetooth USB adapter */ |
| 180 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 181 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 182 | /* RTX Telecom based adapters with buggy SCO support */ |
| 183 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, |
| 184 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, |
| 185 | |
| 186 | /* CONWISE Technology based adapters with buggy SCO support */ |
| 187 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, |
| 188 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 189 | /* Digianswer devices */ |
| 190 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, |
| 191 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, |
| 192 | |
| 193 | /* CSR BlueCore Bluetooth Sniffer */ |
| 194 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, |
| 195 | |
| 196 | /* Frontline ComProbe Bluetooth Sniffer */ |
| 197 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, |
| 198 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 199 | { } /* Terminating entry */ |
| 200 | }; |
| 201 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 202 | #define BTUSB_MAX_ISOC_FRAMES 10 |
| 203 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 204 | #define BTUSB_INTR_RUNNING 0 |
| 205 | #define BTUSB_BULK_RUNNING 1 |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 206 | #define BTUSB_ISOC_RUNNING 2 |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 207 | #define BTUSB_SUSPENDING 3 |
Gustavo F. Padovan | 08b8b6c | 2010-07-16 17:20:33 -0300 | [diff] [blame] | 208 | #define BTUSB_DID_ISO_RESUME 4 |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 209 | |
| 210 | struct btusb_data { |
| 211 | struct hci_dev *hdev; |
| 212 | struct usb_device *udev; |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 213 | struct usb_interface *intf; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 214 | struct usb_interface *isoc; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 215 | |
| 216 | spinlock_t lock; |
| 217 | |
| 218 | unsigned long flags; |
| 219 | |
| 220 | struct work_struct work; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 221 | struct work_struct waker; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 222 | |
| 223 | struct usb_anchor tx_anchor; |
| 224 | struct usb_anchor intr_anchor; |
| 225 | struct usb_anchor bulk_anchor; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 226 | struct usb_anchor isoc_anchor; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 227 | struct usb_anchor deferred; |
| 228 | int tx_in_flight; |
| 229 | spinlock_t txlock; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 230 | |
| 231 | struct usb_endpoint_descriptor *intr_ep; |
| 232 | struct usb_endpoint_descriptor *bulk_tx_ep; |
| 233 | struct usb_endpoint_descriptor *bulk_rx_ep; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 234 | struct usb_endpoint_descriptor *isoc_tx_ep; |
| 235 | struct usb_endpoint_descriptor *isoc_rx_ep; |
| 236 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 237 | __u8 cmdreq_type; |
| 238 | |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 239 | unsigned int sco_num; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 240 | int isoc_altsetting; |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 241 | int suspend_count; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 242 | }; |
| 243 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 244 | static int inc_tx(struct btusb_data *data) |
| 245 | { |
| 246 | unsigned long flags; |
| 247 | int rv; |
| 248 | |
| 249 | spin_lock_irqsave(&data->txlock, flags); |
| 250 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); |
| 251 | if (!rv) |
| 252 | data->tx_in_flight++; |
| 253 | spin_unlock_irqrestore(&data->txlock, flags); |
| 254 | |
| 255 | return rv; |
| 256 | } |
| 257 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 258 | static void btusb_intr_complete(struct urb *urb) |
| 259 | { |
| 260 | struct hci_dev *hdev = urb->context; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 261 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 262 | int err; |
| 263 | |
| 264 | BT_DBG("%s urb %p status %d count %d", hdev->name, |
| 265 | urb, urb->status, urb->actual_length); |
| 266 | |
| 267 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 268 | return; |
| 269 | |
| 270 | if (urb->status == 0) { |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 271 | hdev->stat.byte_rx += urb->actual_length; |
| 272 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 273 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
| 274 | urb->transfer_buffer, |
| 275 | urb->actual_length) < 0) { |
| 276 | BT_ERR("%s corrupted event packet", hdev->name); |
| 277 | hdev->stat.err_rx++; |
| 278 | } |
| 279 | } |
| 280 | |
| 281 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) |
| 282 | return; |
| 283 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 284 | usb_mark_last_busy(data->udev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 285 | usb_anchor_urb(urb, &data->intr_anchor); |
| 286 | |
| 287 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 288 | if (err < 0) { |
Paul Bolle | 4935f1c | 2011-08-09 17:16:28 +0200 | [diff] [blame] | 289 | /* -EPERM: urb is being killed; |
| 290 | * -ENODEV: device got disconnected */ |
| 291 | if (err != -EPERM && err != -ENODEV) |
Stefan Seyfried | 61faddf | 2010-11-30 21:49:08 +0100 | [diff] [blame] | 292 | BT_ERR("%s urb %p failed to resubmit (%d)", |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 293 | hdev->name, urb, -err); |
| 294 | usb_unanchor_urb(urb); |
| 295 | } |
| 296 | } |
| 297 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 298 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 299 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 300 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 301 | struct urb *urb; |
| 302 | unsigned char *buf; |
| 303 | unsigned int pipe; |
| 304 | int err, size; |
| 305 | |
| 306 | BT_DBG("%s", hdev->name); |
| 307 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 308 | if (!data->intr_ep) |
| 309 | return -ENODEV; |
| 310 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 311 | urb = usb_alloc_urb(0, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 312 | if (!urb) |
| 313 | return -ENOMEM; |
| 314 | |
| 315 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); |
| 316 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 317 | buf = kmalloc(size, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 318 | if (!buf) { |
| 319 | usb_free_urb(urb); |
| 320 | return -ENOMEM; |
| 321 | } |
| 322 | |
| 323 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); |
| 324 | |
| 325 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, |
| 326 | btusb_intr_complete, hdev, |
| 327 | data->intr_ep->bInterval); |
| 328 | |
| 329 | urb->transfer_flags |= URB_FREE_BUFFER; |
| 330 | |
| 331 | usb_anchor_urb(urb, &data->intr_anchor); |
| 332 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 333 | err = usb_submit_urb(urb, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 334 | if (err < 0) { |
Paul Bolle | d4b8d1c | 2011-10-09 12:12:22 +0200 | [diff] [blame] | 335 | if (err != -EPERM && err != -ENODEV) |
| 336 | BT_ERR("%s urb %p submission failed (%d)", |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 337 | hdev->name, urb, -err); |
| 338 | usb_unanchor_urb(urb); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 339 | } |
| 340 | |
| 341 | usb_free_urb(urb); |
| 342 | |
| 343 | return err; |
| 344 | } |
| 345 | |
| 346 | static void btusb_bulk_complete(struct urb *urb) |
| 347 | { |
| 348 | struct hci_dev *hdev = urb->context; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 349 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 350 | int err; |
| 351 | |
| 352 | BT_DBG("%s urb %p status %d count %d", hdev->name, |
| 353 | urb, urb->status, urb->actual_length); |
| 354 | |
| 355 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 356 | return; |
| 357 | |
| 358 | if (urb->status == 0) { |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 359 | hdev->stat.byte_rx += urb->actual_length; |
| 360 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 361 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
| 362 | urb->transfer_buffer, |
| 363 | urb->actual_length) < 0) { |
| 364 | BT_ERR("%s corrupted ACL packet", hdev->name); |
| 365 | hdev->stat.err_rx++; |
| 366 | } |
| 367 | } |
| 368 | |
| 369 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) |
| 370 | return; |
| 371 | |
| 372 | usb_anchor_urb(urb, &data->bulk_anchor); |
Oliver Neukum | 652fd78 | 2009-12-16 19:23:43 +0100 | [diff] [blame] | 373 | usb_mark_last_busy(data->udev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 374 | |
| 375 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 376 | if (err < 0) { |
Paul Bolle | 4935f1c | 2011-08-09 17:16:28 +0200 | [diff] [blame] | 377 | /* -EPERM: urb is being killed; |
| 378 | * -ENODEV: device got disconnected */ |
| 379 | if (err != -EPERM && err != -ENODEV) |
Stefan Seyfried | 61faddf | 2010-11-30 21:49:08 +0100 | [diff] [blame] | 380 | BT_ERR("%s urb %p failed to resubmit (%d)", |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 381 | hdev->name, urb, -err); |
| 382 | usb_unanchor_urb(urb); |
| 383 | } |
| 384 | } |
| 385 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 386 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 387 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 388 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 389 | struct urb *urb; |
| 390 | unsigned char *buf; |
| 391 | unsigned int pipe; |
Vikram Kandukuri | 290ba20 | 2009-07-02 14:31:59 +0530 | [diff] [blame] | 392 | int err, size = HCI_MAX_FRAME_SIZE; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 393 | |
| 394 | BT_DBG("%s", hdev->name); |
| 395 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 396 | if (!data->bulk_rx_ep) |
| 397 | return -ENODEV; |
| 398 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 399 | urb = usb_alloc_urb(0, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 400 | if (!urb) |
| 401 | return -ENOMEM; |
| 402 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 403 | buf = kmalloc(size, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 404 | if (!buf) { |
| 405 | usb_free_urb(urb); |
| 406 | return -ENOMEM; |
| 407 | } |
| 408 | |
| 409 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); |
| 410 | |
| 411 | usb_fill_bulk_urb(urb, data->udev, pipe, |
| 412 | buf, size, btusb_bulk_complete, hdev); |
| 413 | |
| 414 | urb->transfer_flags |= URB_FREE_BUFFER; |
| 415 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 416 | usb_mark_last_busy(data->udev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 417 | usb_anchor_urb(urb, &data->bulk_anchor); |
| 418 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 419 | err = usb_submit_urb(urb, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 420 | if (err < 0) { |
Paul Bolle | d4b8d1c | 2011-10-09 12:12:22 +0200 | [diff] [blame] | 421 | if (err != -EPERM && err != -ENODEV) |
| 422 | BT_ERR("%s urb %p submission failed (%d)", |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 423 | hdev->name, urb, -err); |
| 424 | usb_unanchor_urb(urb); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 425 | } |
| 426 | |
| 427 | usb_free_urb(urb); |
| 428 | |
| 429 | return err; |
| 430 | } |
| 431 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 432 | static void btusb_isoc_complete(struct urb *urb) |
| 433 | { |
| 434 | struct hci_dev *hdev = urb->context; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 435 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 436 | int i, err; |
| 437 | |
| 438 | BT_DBG("%s urb %p status %d count %d", hdev->name, |
| 439 | urb, urb->status, urb->actual_length); |
| 440 | |
| 441 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 442 | return; |
| 443 | |
| 444 | if (urb->status == 0) { |
| 445 | for (i = 0; i < urb->number_of_packets; i++) { |
| 446 | unsigned int offset = urb->iso_frame_desc[i].offset; |
| 447 | unsigned int length = urb->iso_frame_desc[i].actual_length; |
| 448 | |
| 449 | if (urb->iso_frame_desc[i].status) |
| 450 | continue; |
| 451 | |
| 452 | hdev->stat.byte_rx += length; |
| 453 | |
| 454 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, |
| 455 | urb->transfer_buffer + offset, |
| 456 | length) < 0) { |
| 457 | BT_ERR("%s corrupted SCO packet", hdev->name); |
| 458 | hdev->stat.err_rx++; |
| 459 | } |
| 460 | } |
| 461 | } |
| 462 | |
| 463 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) |
| 464 | return; |
| 465 | |
| 466 | usb_anchor_urb(urb, &data->isoc_anchor); |
| 467 | |
| 468 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 469 | if (err < 0) { |
Paul Bolle | 4935f1c | 2011-08-09 17:16:28 +0200 | [diff] [blame] | 470 | /* -EPERM: urb is being killed; |
| 471 | * -ENODEV: device got disconnected */ |
| 472 | if (err != -EPERM && err != -ENODEV) |
Stefan Seyfried | 61faddf | 2010-11-30 21:49:08 +0100 | [diff] [blame] | 473 | BT_ERR("%s urb %p failed to resubmit (%d)", |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 474 | hdev->name, urb, -err); |
| 475 | usb_unanchor_urb(urb); |
| 476 | } |
| 477 | } |
| 478 | |
Jesper Juhl | 42b16b3 | 2011-01-17 00:09:38 +0100 | [diff] [blame] | 479 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 480 | { |
| 481 | int i, offset = 0; |
| 482 | |
| 483 | BT_DBG("len %d mtu %d", len, mtu); |
| 484 | |
| 485 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; |
| 486 | i++, offset += mtu, len -= mtu) { |
| 487 | urb->iso_frame_desc[i].offset = offset; |
| 488 | urb->iso_frame_desc[i].length = mtu; |
| 489 | } |
| 490 | |
| 491 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { |
| 492 | urb->iso_frame_desc[i].offset = offset; |
| 493 | urb->iso_frame_desc[i].length = len; |
| 494 | i++; |
| 495 | } |
| 496 | |
| 497 | urb->number_of_packets = i; |
| 498 | } |
| 499 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 500 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 501 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 502 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 503 | struct urb *urb; |
| 504 | unsigned char *buf; |
| 505 | unsigned int pipe; |
| 506 | int err, size; |
| 507 | |
| 508 | BT_DBG("%s", hdev->name); |
| 509 | |
| 510 | if (!data->isoc_rx_ep) |
| 511 | return -ENODEV; |
| 512 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 513 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 514 | if (!urb) |
| 515 | return -ENOMEM; |
| 516 | |
| 517 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * |
| 518 | BTUSB_MAX_ISOC_FRAMES; |
| 519 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 520 | buf = kmalloc(size, mem_flags); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 521 | if (!buf) { |
| 522 | usb_free_urb(urb); |
| 523 | return -ENOMEM; |
| 524 | } |
| 525 | |
| 526 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); |
| 527 | |
Bing Zhao | fa0fb93 | 2011-12-20 18:19:00 -0800 | [diff] [blame] | 528 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
| 529 | hdev, data->isoc_rx_ep->bInterval); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 530 | |
| 531 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 532 | |
| 533 | __fill_isoc_descriptor(urb, size, |
| 534 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); |
| 535 | |
| 536 | usb_anchor_urb(urb, &data->isoc_anchor); |
| 537 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 538 | err = usb_submit_urb(urb, mem_flags); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 539 | if (err < 0) { |
Paul Bolle | d4b8d1c | 2011-10-09 12:12:22 +0200 | [diff] [blame] | 540 | if (err != -EPERM && err != -ENODEV) |
| 541 | BT_ERR("%s urb %p submission failed (%d)", |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 542 | hdev->name, urb, -err); |
| 543 | usb_unanchor_urb(urb); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 544 | } |
| 545 | |
| 546 | usb_free_urb(urb); |
| 547 | |
| 548 | return err; |
| 549 | } |
| 550 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 551 | static void btusb_tx_complete(struct urb *urb) |
| 552 | { |
| 553 | struct sk_buff *skb = urb->context; |
| 554 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 555 | struct btusb_data *data = hci_get_drvdata(hdev); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 556 | |
| 557 | BT_DBG("%s urb %p status %d count %d", hdev->name, |
| 558 | urb, urb->status, urb->actual_length); |
| 559 | |
| 560 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 561 | goto done; |
| 562 | |
| 563 | if (!urb->status) |
| 564 | hdev->stat.byte_tx += urb->transfer_buffer_length; |
| 565 | else |
| 566 | hdev->stat.err_tx++; |
| 567 | |
| 568 | done: |
| 569 | spin_lock(&data->txlock); |
| 570 | data->tx_in_flight--; |
| 571 | spin_unlock(&data->txlock); |
| 572 | |
| 573 | kfree(urb->setup_packet); |
| 574 | |
| 575 | kfree_skb(skb); |
| 576 | } |
| 577 | |
| 578 | static void btusb_isoc_tx_complete(struct urb *urb) |
| 579 | { |
| 580 | struct sk_buff *skb = urb->context; |
| 581 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 582 | |
| 583 | BT_DBG("%s urb %p status %d count %d", hdev->name, |
| 584 | urb, urb->status, urb->actual_length); |
| 585 | |
| 586 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 587 | goto done; |
| 588 | |
| 589 | if (!urb->status) |
| 590 | hdev->stat.byte_tx += urb->transfer_buffer_length; |
| 591 | else |
| 592 | hdev->stat.err_tx++; |
| 593 | |
| 594 | done: |
| 595 | kfree(urb->setup_packet); |
| 596 | |
| 597 | kfree_skb(skb); |
| 598 | } |
| 599 | |
| 600 | static int btusb_open(struct hci_dev *hdev) |
| 601 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 602 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 603 | int err; |
| 604 | |
| 605 | BT_DBG("%s", hdev->name); |
| 606 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 607 | err = usb_autopm_get_interface(data->intf); |
| 608 | if (err < 0) |
| 609 | return err; |
| 610 | |
| 611 | data->intf->needs_remote_wakeup = 1; |
| 612 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 613 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 614 | goto done; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 615 | |
| 616 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 617 | goto done; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 618 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 619 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 620 | if (err < 0) |
| 621 | goto failed; |
| 622 | |
| 623 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 624 | if (err < 0) { |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 625 | usb_kill_anchored_urbs(&data->intr_anchor); |
| 626 | goto failed; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 627 | } |
| 628 | |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 629 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
| 630 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); |
| 631 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 632 | done: |
| 633 | usb_autopm_put_interface(data->intf); |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 634 | return 0; |
| 635 | |
| 636 | failed: |
| 637 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
| 638 | clear_bit(HCI_RUNNING, &hdev->flags); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 639 | usb_autopm_put_interface(data->intf); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 640 | return err; |
| 641 | } |
| 642 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 643 | static void btusb_stop_traffic(struct btusb_data *data) |
| 644 | { |
| 645 | usb_kill_anchored_urbs(&data->intr_anchor); |
| 646 | usb_kill_anchored_urbs(&data->bulk_anchor); |
| 647 | usb_kill_anchored_urbs(&data->isoc_anchor); |
| 648 | } |
| 649 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 650 | static int btusb_close(struct hci_dev *hdev) |
| 651 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 652 | struct btusb_data *data = hci_get_drvdata(hdev); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 653 | int err; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 654 | |
| 655 | BT_DBG("%s", hdev->name); |
| 656 | |
| 657 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) |
| 658 | return 0; |
| 659 | |
Marcel Holtmann | e8c3c3d | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 660 | cancel_work_sync(&data->work); |
Linus Torvalds | 404291a | 2009-11-11 13:32:29 -0800 | [diff] [blame] | 661 | cancel_work_sync(&data->waker); |
Marcel Holtmann | e8c3c3d | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 662 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 663 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 664 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 665 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 666 | |
| 667 | btusb_stop_traffic(data); |
| 668 | err = usb_autopm_get_interface(data->intf); |
| 669 | if (err < 0) |
Oliver Neukum | 7b8e2c1 | 2009-11-13 14:26:23 +0100 | [diff] [blame] | 670 | goto failed; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 671 | |
| 672 | data->intf->needs_remote_wakeup = 0; |
| 673 | usb_autopm_put_interface(data->intf); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 674 | |
Oliver Neukum | 7b8e2c1 | 2009-11-13 14:26:23 +0100 | [diff] [blame] | 675 | failed: |
| 676 | usb_scuttle_anchored_urbs(&data->deferred); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 677 | return 0; |
| 678 | } |
| 679 | |
| 680 | static int btusb_flush(struct hci_dev *hdev) |
| 681 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 682 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 683 | |
| 684 | BT_DBG("%s", hdev->name); |
| 685 | |
| 686 | usb_kill_anchored_urbs(&data->tx_anchor); |
| 687 | |
| 688 | return 0; |
| 689 | } |
| 690 | |
| 691 | static int btusb_send_frame(struct sk_buff *skb) |
| 692 | { |
| 693 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 694 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 695 | struct usb_ctrlrequest *dr; |
| 696 | struct urb *urb; |
| 697 | unsigned int pipe; |
| 698 | int err; |
| 699 | |
| 700 | BT_DBG("%s", hdev->name); |
| 701 | |
| 702 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 703 | return -EBUSY; |
| 704 | |
| 705 | switch (bt_cb(skb)->pkt_type) { |
| 706 | case HCI_COMMAND_PKT: |
| 707 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
| 708 | if (!urb) |
| 709 | return -ENOMEM; |
| 710 | |
| 711 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); |
| 712 | if (!dr) { |
| 713 | usb_free_urb(urb); |
| 714 | return -ENOMEM; |
| 715 | } |
| 716 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 717 | dr->bRequestType = data->cmdreq_type; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 718 | dr->bRequest = 0; |
| 719 | dr->wIndex = 0; |
| 720 | dr->wValue = 0; |
| 721 | dr->wLength = __cpu_to_le16(skb->len); |
| 722 | |
| 723 | pipe = usb_sndctrlpipe(data->udev, 0x00); |
| 724 | |
| 725 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, |
| 726 | skb->data, skb->len, btusb_tx_complete, skb); |
| 727 | |
| 728 | hdev->stat.cmd_tx++; |
| 729 | break; |
| 730 | |
| 731 | case HCI_ACLDATA_PKT: |
Peter Hurley | 9fd481e | 2011-07-14 08:48:32 -0400 | [diff] [blame] | 732 | if (!data->bulk_tx_ep) |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 733 | return -ENODEV; |
| 734 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 735 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
| 736 | if (!urb) |
| 737 | return -ENOMEM; |
| 738 | |
| 739 | pipe = usb_sndbulkpipe(data->udev, |
| 740 | data->bulk_tx_ep->bEndpointAddress); |
| 741 | |
| 742 | usb_fill_bulk_urb(urb, data->udev, pipe, |
| 743 | skb->data, skb->len, btusb_tx_complete, skb); |
| 744 | |
| 745 | hdev->stat.acl_tx++; |
| 746 | break; |
| 747 | |
| 748 | case HCI_SCODATA_PKT: |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 749 | if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) |
| 750 | return -ENODEV; |
| 751 | |
| 752 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); |
| 753 | if (!urb) |
| 754 | return -ENOMEM; |
| 755 | |
| 756 | pipe = usb_sndisocpipe(data->udev, |
| 757 | data->isoc_tx_ep->bEndpointAddress); |
| 758 | |
Gustavo F. Padovan | 03c2d0e | 2011-02-14 18:53:43 -0300 | [diff] [blame] | 759 | usb_fill_int_urb(urb, data->udev, pipe, |
| 760 | skb->data, skb->len, btusb_isoc_tx_complete, |
| 761 | skb, data->isoc_tx_ep->bInterval); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 762 | |
| 763 | urb->transfer_flags = URB_ISO_ASAP; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 764 | |
| 765 | __fill_isoc_descriptor(urb, skb->len, |
| 766 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); |
| 767 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 768 | hdev->stat.sco_tx++; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 769 | goto skip_waking; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 770 | |
| 771 | default: |
| 772 | return -EILSEQ; |
| 773 | } |
| 774 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 775 | err = inc_tx(data); |
| 776 | if (err) { |
| 777 | usb_anchor_urb(urb, &data->deferred); |
| 778 | schedule_work(&data->waker); |
| 779 | err = 0; |
| 780 | goto done; |
| 781 | } |
| 782 | |
| 783 | skip_waking: |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 784 | usb_anchor_urb(urb, &data->tx_anchor); |
| 785 | |
| 786 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 787 | if (err < 0) { |
Paul Bolle | 5a9b80e | 2011-10-09 12:12:16 +0200 | [diff] [blame] | 788 | if (err != -EPERM && err != -ENODEV) |
| 789 | BT_ERR("%s urb %p submission failed (%d)", |
| 790 | hdev->name, urb, -err); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 791 | kfree(urb->setup_packet); |
| 792 | usb_unanchor_urb(urb); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 793 | } else { |
| 794 | usb_mark_last_busy(data->udev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 795 | } |
| 796 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 797 | done: |
Cong Wang | 54a8a79c | 2011-11-22 09:32:57 +0800 | [diff] [blame] | 798 | usb_free_urb(urb); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 799 | return err; |
| 800 | } |
| 801 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 802 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
| 803 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 804 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 805 | |
| 806 | BT_DBG("%s evt %d", hdev->name, evt); |
| 807 | |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 808 | if (hdev->conn_hash.sco_num != data->sco_num) { |
| 809 | data->sco_num = hdev->conn_hash.sco_num; |
| 810 | schedule_work(&data->work); |
Marcel Holtmann | a780efa | 2008-11-30 12:17:12 +0100 | [diff] [blame] | 811 | } |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 812 | } |
| 813 | |
Jesper Juhl | 42b16b3 | 2011-01-17 00:09:38 +0100 | [diff] [blame] | 814 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 815 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 816 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 817 | struct usb_interface *intf = data->isoc; |
| 818 | struct usb_endpoint_descriptor *ep_desc; |
| 819 | int i, err; |
| 820 | |
| 821 | if (!data->isoc) |
| 822 | return -ENODEV; |
| 823 | |
| 824 | err = usb_set_interface(data->udev, 1, altsetting); |
| 825 | if (err < 0) { |
| 826 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); |
| 827 | return err; |
| 828 | } |
| 829 | |
| 830 | data->isoc_altsetting = altsetting; |
| 831 | |
| 832 | data->isoc_tx_ep = NULL; |
| 833 | data->isoc_rx_ep = NULL; |
| 834 | |
| 835 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { |
| 836 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; |
| 837 | |
| 838 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { |
| 839 | data->isoc_tx_ep = ep_desc; |
| 840 | continue; |
| 841 | } |
| 842 | |
| 843 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { |
| 844 | data->isoc_rx_ep = ep_desc; |
| 845 | continue; |
| 846 | } |
| 847 | } |
| 848 | |
| 849 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { |
| 850 | BT_ERR("%s invalid SCO descriptors", hdev->name); |
| 851 | return -ENODEV; |
| 852 | } |
| 853 | |
| 854 | return 0; |
| 855 | } |
| 856 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 857 | static void btusb_work(struct work_struct *work) |
| 858 | { |
| 859 | struct btusb_data *data = container_of(work, struct btusb_data, work); |
| 860 | struct hci_dev *hdev = data->hdev; |
Mikel Astiz | f4001d2 | 2012-04-11 08:48:51 +0200 | [diff] [blame] | 861 | int new_alts; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 862 | int err; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 863 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 864 | if (hdev->conn_hash.sco_num > 0) { |
Gustavo F. Padovan | 08b8b6c | 2010-07-16 17:20:33 -0300 | [diff] [blame] | 865 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
Oliver Neukum | 8efdd0c | 2011-02-11 13:00:06 +0100 | [diff] [blame] | 866 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 867 | if (err < 0) { |
| 868 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 869 | usb_kill_anchored_urbs(&data->isoc_anchor); |
| 870 | return; |
| 871 | } |
| 872 | |
Gustavo F. Padovan | 08b8b6c | 2010-07-16 17:20:33 -0300 | [diff] [blame] | 873 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 874 | } |
Mikel Astiz | f4001d2 | 2012-04-11 08:48:51 +0200 | [diff] [blame] | 875 | |
| 876 | if (hdev->voice_setting & 0x0020) { |
| 877 | static const int alts[3] = { 2, 4, 5 }; |
| 878 | new_alts = alts[hdev->conn_hash.sco_num - 1]; |
| 879 | } else { |
| 880 | new_alts = hdev->conn_hash.sco_num; |
| 881 | } |
| 882 | |
| 883 | if (data->isoc_altsetting != new_alts) { |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 884 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 885 | usb_kill_anchored_urbs(&data->isoc_anchor); |
| 886 | |
Mikel Astiz | f4001d2 | 2012-04-11 08:48:51 +0200 | [diff] [blame] | 887 | if (__set_isoc_interface(hdev, new_alts) < 0) |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 888 | return; |
| 889 | } |
| 890 | |
| 891 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 892 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 893 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 894 | else |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 895 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 896 | } |
| 897 | } else { |
| 898 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 899 | usb_kill_anchored_urbs(&data->isoc_anchor); |
| 900 | |
| 901 | __set_isoc_interface(hdev, 0); |
Gustavo F. Padovan | 08b8b6c | 2010-07-16 17:20:33 -0300 | [diff] [blame] | 902 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
Oliver Neukum | 8efdd0c | 2011-02-11 13:00:06 +0100 | [diff] [blame] | 903 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 904 | } |
| 905 | } |
| 906 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 907 | static void btusb_waker(struct work_struct *work) |
| 908 | { |
| 909 | struct btusb_data *data = container_of(work, struct btusb_data, waker); |
| 910 | int err; |
| 911 | |
| 912 | err = usb_autopm_get_interface(data->intf); |
| 913 | if (err < 0) |
| 914 | return; |
| 915 | |
| 916 | usb_autopm_put_interface(data->intf); |
| 917 | } |
| 918 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 919 | static int btusb_probe(struct usb_interface *intf, |
| 920 | const struct usb_device_id *id) |
| 921 | { |
| 922 | struct usb_endpoint_descriptor *ep_desc; |
| 923 | struct btusb_data *data; |
| 924 | struct hci_dev *hdev; |
| 925 | int i, err; |
| 926 | |
| 927 | BT_DBG("intf %p id %p", intf, id); |
| 928 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 929 | /* interface numbers are hardcoded in the spec */ |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 930 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
| 931 | return -ENODEV; |
| 932 | |
| 933 | if (!id->driver_info) { |
| 934 | const struct usb_device_id *match; |
| 935 | match = usb_match_id(intf, blacklist_table); |
| 936 | if (match) |
| 937 | id = match; |
| 938 | } |
| 939 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 940 | if (id->driver_info == BTUSB_IGNORE) |
| 941 | return -ENODEV; |
| 942 | |
| 943 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) |
| 944 | return -ENODEV; |
| 945 | |
| 946 | if (ignore_csr && id->driver_info & BTUSB_CSR) |
| 947 | return -ENODEV; |
| 948 | |
| 949 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) |
| 950 | return -ENODEV; |
| 951 | |
Steven.Li | 2d25f8b | 2011-07-01 14:02:36 +0800 | [diff] [blame] | 952 | if (id->driver_info & BTUSB_ATH3012) { |
| 953 | struct usb_device *udev = interface_to_usbdev(intf); |
| 954 | |
| 955 | /* Old firmware would otherwise let ath3k driver load |
| 956 | * patch and sysconfig files */ |
| 957 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) |
| 958 | return -ENODEV; |
| 959 | } |
| 960 | |
Sachin Kamat | 98921db | 2012-07-27 12:38:39 +0530 | [diff] [blame] | 961 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 962 | if (!data) |
| 963 | return -ENOMEM; |
| 964 | |
| 965 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { |
| 966 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; |
| 967 | |
| 968 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { |
| 969 | data->intr_ep = ep_desc; |
| 970 | continue; |
| 971 | } |
| 972 | |
| 973 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { |
| 974 | data->bulk_tx_ep = ep_desc; |
| 975 | continue; |
| 976 | } |
| 977 | |
| 978 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { |
| 979 | data->bulk_rx_ep = ep_desc; |
| 980 | continue; |
| 981 | } |
| 982 | } |
| 983 | |
Sachin Kamat | 98921db | 2012-07-27 12:38:39 +0530 | [diff] [blame] | 984 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 985 | return -ENODEV; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 986 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 987 | data->cmdreq_type = USB_TYPE_CLASS; |
| 988 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 989 | data->udev = interface_to_usbdev(intf); |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 990 | data->intf = intf; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 991 | |
| 992 | spin_lock_init(&data->lock); |
| 993 | |
| 994 | INIT_WORK(&data->work, btusb_work); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 995 | INIT_WORK(&data->waker, btusb_waker); |
| 996 | spin_lock_init(&data->txlock); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 997 | |
| 998 | init_usb_anchor(&data->tx_anchor); |
| 999 | init_usb_anchor(&data->intr_anchor); |
| 1000 | init_usb_anchor(&data->bulk_anchor); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1001 | init_usb_anchor(&data->isoc_anchor); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1002 | init_usb_anchor(&data->deferred); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1003 | |
| 1004 | hdev = hci_alloc_dev(); |
Sachin Kamat | 98921db | 2012-07-27 12:38:39 +0530 | [diff] [blame] | 1005 | if (!hdev) |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1006 | return -ENOMEM; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1007 | |
Marcel Holtmann | c13854c | 2010-02-08 15:27:07 +0100 | [diff] [blame] | 1008 | hdev->bus = HCI_USB; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 1009 | hci_set_drvdata(hdev, data); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1010 | |
| 1011 | data->hdev = hdev; |
| 1012 | |
| 1013 | SET_HCIDEV_DEV(hdev, &intf->dev); |
| 1014 | |
| 1015 | hdev->open = btusb_open; |
| 1016 | hdev->close = btusb_close; |
| 1017 | hdev->flush = btusb_flush; |
| 1018 | hdev->send = btusb_send_frame; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1019 | hdev->notify = btusb_notify; |
| 1020 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1021 | /* Interface numbers are hardcoded in the specification */ |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1022 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
| 1023 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1024 | if (!reset) |
Szymon Janc | a6c511c | 2012-05-23 12:35:46 +0200 | [diff] [blame] | 1025 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1026 | |
| 1027 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { |
| 1028 | if (!disable_scofix) |
| 1029 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); |
| 1030 | } |
| 1031 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1032 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
| 1033 | data->isoc = NULL; |
| 1034 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1035 | if (id->driver_info & BTUSB_DIGIANSWER) { |
| 1036 | data->cmdreq_type = USB_TYPE_VENDOR; |
Szymon Janc | a6c511c | 2012-05-23 12:35:46 +0200 | [diff] [blame] | 1037 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1038 | } |
| 1039 | |
| 1040 | if (id->driver_info & BTUSB_CSR) { |
| 1041 | struct usb_device *udev = data->udev; |
| 1042 | |
| 1043 | /* Old firmware would otherwise execute USB reset */ |
| 1044 | if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) |
Szymon Janc | a6c511c | 2012-05-23 12:35:46 +0200 | [diff] [blame] | 1045 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1046 | } |
| 1047 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1048 | if (id->driver_info & BTUSB_SNIFFER) { |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1049 | struct usb_device *udev = data->udev; |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1050 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1051 | /* New sniffer firmware has crippled HCI interface */ |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1052 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
| 1053 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1054 | |
| 1055 | data->isoc = NULL; |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1056 | } |
| 1057 | |
| 1058 | if (id->driver_info & BTUSB_BCM92035) { |
| 1059 | unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 }; |
| 1060 | struct sk_buff *skb; |
| 1061 | |
| 1062 | skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); |
| 1063 | if (skb) { |
| 1064 | memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); |
| 1065 | skb_queue_tail(&hdev->driver_init, skb); |
| 1066 | } |
| 1067 | } |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1068 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1069 | if (data->isoc) { |
| 1070 | err = usb_driver_claim_interface(&btusb_driver, |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 1071 | data->isoc, data); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1072 | if (err < 0) { |
| 1073 | hci_free_dev(hdev); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1074 | return err; |
| 1075 | } |
| 1076 | } |
| 1077 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1078 | err = hci_register_dev(hdev); |
| 1079 | if (err < 0) { |
| 1080 | hci_free_dev(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1081 | return err; |
| 1082 | } |
| 1083 | |
| 1084 | usb_set_intfdata(intf, data); |
| 1085 | |
| 1086 | return 0; |
| 1087 | } |
| 1088 | |
| 1089 | static void btusb_disconnect(struct usb_interface *intf) |
| 1090 | { |
| 1091 | struct btusb_data *data = usb_get_intfdata(intf); |
| 1092 | struct hci_dev *hdev; |
| 1093 | |
| 1094 | BT_DBG("intf %p", intf); |
| 1095 | |
| 1096 | if (!data) |
| 1097 | return; |
| 1098 | |
| 1099 | hdev = data->hdev; |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 1100 | usb_set_intfdata(data->intf, NULL); |
| 1101 | |
| 1102 | if (data->isoc) |
| 1103 | usb_set_intfdata(data->isoc, NULL); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1104 | |
| 1105 | hci_unregister_dev(hdev); |
| 1106 | |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 1107 | if (intf == data->isoc) |
| 1108 | usb_driver_release_interface(&btusb_driver, data->intf); |
| 1109 | else if (data->isoc) |
| 1110 | usb_driver_release_interface(&btusb_driver, data->isoc); |
| 1111 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1112 | hci_free_dev(hdev); |
| 1113 | } |
| 1114 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1115 | #ifdef CONFIG_PM |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1116 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
| 1117 | { |
| 1118 | struct btusb_data *data = usb_get_intfdata(intf); |
| 1119 | |
| 1120 | BT_DBG("intf %p", intf); |
| 1121 | |
| 1122 | if (data->suspend_count++) |
| 1123 | return 0; |
| 1124 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1125 | spin_lock_irq(&data->txlock); |
Alan Stern | 5b1b0b8 | 2011-08-19 23:49:48 +0200 | [diff] [blame] | 1126 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1127 | set_bit(BTUSB_SUSPENDING, &data->flags); |
| 1128 | spin_unlock_irq(&data->txlock); |
| 1129 | } else { |
| 1130 | spin_unlock_irq(&data->txlock); |
| 1131 | data->suspend_count--; |
| 1132 | return -EBUSY; |
| 1133 | } |
| 1134 | |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1135 | cancel_work_sync(&data->work); |
| 1136 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1137 | btusb_stop_traffic(data); |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1138 | usb_kill_anchored_urbs(&data->tx_anchor); |
| 1139 | |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1140 | return 0; |
| 1141 | } |
| 1142 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1143 | static void play_deferred(struct btusb_data *data) |
| 1144 | { |
| 1145 | struct urb *urb; |
| 1146 | int err; |
| 1147 | |
| 1148 | while ((urb = usb_get_from_anchor(&data->deferred))) { |
| 1149 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 1150 | if (err < 0) |
| 1151 | break; |
| 1152 | |
| 1153 | data->tx_in_flight++; |
| 1154 | } |
| 1155 | usb_scuttle_anchored_urbs(&data->deferred); |
| 1156 | } |
| 1157 | |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1158 | static int btusb_resume(struct usb_interface *intf) |
| 1159 | { |
| 1160 | struct btusb_data *data = usb_get_intfdata(intf); |
| 1161 | struct hci_dev *hdev = data->hdev; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1162 | int err = 0; |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1163 | |
| 1164 | BT_DBG("intf %p", intf); |
| 1165 | |
| 1166 | if (--data->suspend_count) |
| 1167 | return 0; |
| 1168 | |
| 1169 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1170 | goto done; |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1171 | |
| 1172 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { |
| 1173 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); |
| 1174 | if (err < 0) { |
| 1175 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1176 | goto failed; |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1177 | } |
| 1178 | } |
| 1179 | |
| 1180 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 1181 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
| 1182 | if (err < 0) { |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1183 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1184 | goto failed; |
| 1185 | } |
| 1186 | |
| 1187 | btusb_submit_bulk_urb(hdev, GFP_NOIO); |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1188 | } |
| 1189 | |
| 1190 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { |
| 1191 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) |
| 1192 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 1193 | else |
| 1194 | btusb_submit_isoc_urb(hdev, GFP_NOIO); |
| 1195 | } |
| 1196 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1197 | spin_lock_irq(&data->txlock); |
| 1198 | play_deferred(data); |
| 1199 | clear_bit(BTUSB_SUSPENDING, &data->flags); |
| 1200 | spin_unlock_irq(&data->txlock); |
| 1201 | schedule_work(&data->work); |
| 1202 | |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1203 | return 0; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1204 | |
| 1205 | failed: |
| 1206 | usb_scuttle_anchored_urbs(&data->deferred); |
| 1207 | done: |
| 1208 | spin_lock_irq(&data->txlock); |
| 1209 | clear_bit(BTUSB_SUSPENDING, &data->flags); |
| 1210 | spin_unlock_irq(&data->txlock); |
| 1211 | |
| 1212 | return err; |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1213 | } |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1214 | #endif |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1215 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1216 | static struct usb_driver btusb_driver = { |
| 1217 | .name = "btusb", |
| 1218 | .probe = btusb_probe, |
| 1219 | .disconnect = btusb_disconnect, |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1220 | #ifdef CONFIG_PM |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1221 | .suspend = btusb_suspend, |
| 1222 | .resume = btusb_resume, |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1223 | #endif |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1224 | .id_table = btusb_table, |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1225 | .supports_autosuspend = 1, |
Sarah Sharp | e1f12eb | 2012-04-23 10:08:51 -0700 | [diff] [blame] | 1226 | .disable_hub_initiated_lpm = 1, |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1227 | }; |
| 1228 | |
Greg Kroah-Hartman | 93f1508 | 2011-11-18 09:47:34 -0800 | [diff] [blame] | 1229 | module_usb_driver(btusb_driver); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1230 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1231 | module_param(ignore_dga, bool, 0644); |
| 1232 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); |
| 1233 | |
| 1234 | module_param(ignore_csr, bool, 0644); |
| 1235 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); |
| 1236 | |
| 1237 | module_param(ignore_sniffer, bool, 0644); |
| 1238 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); |
| 1239 | |
| 1240 | module_param(disable_scofix, bool, 0644); |
| 1241 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); |
| 1242 | |
| 1243 | module_param(force_scofix, bool, 0644); |
| 1244 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); |
| 1245 | |
| 1246 | module_param(reset, bool, 0644); |
| 1247 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); |
| 1248 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1249 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
| 1250 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); |
| 1251 | MODULE_VERSION(VERSION); |
| 1252 | MODULE_LICENSE("GPL"); |