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> |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 26 | #include <linux/firmware.h> |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 27 | |
| 28 | #include <net/bluetooth/bluetooth.h> |
| 29 | #include <net/bluetooth/hci_core.h> |
| 30 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 31 | #define VERSION "0.6" |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 32 | |
Rusty Russell | 90ab5ee | 2012-01-13 09:32:20 +1030 | [diff] [blame] | 33 | static bool ignore_dga; |
| 34 | static bool ignore_csr; |
| 35 | static bool ignore_sniffer; |
| 36 | static bool disable_scofix; |
| 37 | static bool force_scofix; |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 38 | |
Rusty Russell | 90ab5ee | 2012-01-13 09:32:20 +1030 | [diff] [blame] | 39 | static bool reset = 1; |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 40 | |
| 41 | static struct usb_driver btusb_driver; |
| 42 | |
| 43 | #define BTUSB_IGNORE 0x01 |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 44 | #define BTUSB_DIGIANSWER 0x02 |
| 45 | #define BTUSB_CSR 0x04 |
| 46 | #define BTUSB_SNIFFER 0x08 |
| 47 | #define BTUSB_BCM92035 0x10 |
| 48 | #define BTUSB_BROKEN_ISOC 0x20 |
| 49 | #define BTUSB_WRONG_SCO_MTU 0x40 |
Steven.Li | 2d25f8b | 2011-07-01 14:02:36 +0800 | [diff] [blame] | 50 | #define BTUSB_ATH3012 0x80 |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 51 | #define BTUSB_INTEL 0x100 |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 52 | |
| 53 | static struct usb_device_id btusb_table[] = { |
| 54 | /* Generic Bluetooth USB device */ |
| 55 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, |
| 56 | |
Henrik Rydberg | 1fa6535 | 2012-08-25 19:28:06 +0200 | [diff] [blame] | 57 | /* Apple-specific (Broadcom) devices */ |
| 58 | { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) }, |
| 59 | |
Cho, Yu-Chen | c519774 | 2013-06-04 21:40:26 +0800 | [diff] [blame] | 60 | /* MediaTek MT76x0E */ |
| 61 | { USB_DEVICE(0x0e8d, 0x763f) }, |
| 62 | |
Oliver Neukum | c510eae | 2011-09-21 11:41:45 +0200 | [diff] [blame] | 63 | /* Broadcom SoftSailing reporting vendor specific */ |
Don Zickus | 2e8b5063 | 2012-03-28 16:41:11 -0400 | [diff] [blame] | 64 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
Oliver Neukum | c510eae | 2011-09-21 11:41:45 +0200 | [diff] [blame] | 65 | |
Nobuhiro Iwamatsu | 3cd0197 | 2010-08-20 16:24:07 +0900 | [diff] [blame] | 66 | /* Apple MacBookPro 7,1 */ |
| 67 | { USB_DEVICE(0x05ac, 0x8213) }, |
| 68 | |
Cyril Lacoux | 0a79f67 | 2010-07-14 10:29:27 +0400 | [diff] [blame] | 69 | /* Apple iMac11,1 */ |
| 70 | { USB_DEVICE(0x05ac, 0x8215) }, |
| 71 | |
Nobuhiro Iwamatsu | 9c04715 | 2010-08-20 16:24:06 +0900 | [diff] [blame] | 72 | /* Apple MacBookPro6,2 */ |
| 73 | { USB_DEVICE(0x05ac, 0x8218) }, |
| 74 | |
Edgar (gimli) Hucek | 3e3ede7 | 2010-11-04 08:04:33 +0100 | [diff] [blame] | 75 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
| 76 | { USB_DEVICE(0x05ac, 0x821b) }, |
| 77 | |
Pieter-Augustijn Van Malleghem | a63b723 | 2011-09-07 02:28:10 -0400 | [diff] [blame] | 78 | /* Apple MacBookAir4,1 */ |
| 79 | { USB_DEVICE(0x05ac, 0x821f) }, |
| 80 | |
Marc-Antoine Perennou | 88d377b | 2011-03-24 14:51:21 -0300 | [diff] [blame] | 81 | /* Apple MacBookPro8,2 */ |
| 82 | { USB_DEVICE(0x05ac, 0x821a) }, |
| 83 | |
Jurgen Kramer | f78b6826 | 2011-09-04 18:01:42 +0200 | [diff] [blame] | 84 | /* Apple MacMini5,1 */ |
| 85 | { USB_DEVICE(0x05ac, 0x8281) }, |
| 86 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 87 | /* AVM BlueFRITZ! USB v2.0 */ |
| 88 | { USB_DEVICE(0x057c, 0x3800) }, |
| 89 | |
| 90 | /* Bluetooth Ultraport Module from IBM */ |
| 91 | { USB_DEVICE(0x04bf, 0x030a) }, |
| 92 | |
| 93 | /* ALPS Modules with non-standard id */ |
| 94 | { USB_DEVICE(0x044e, 0x3001) }, |
| 95 | { USB_DEVICE(0x044e, 0x3002) }, |
| 96 | |
| 97 | /* Ericsson with non-standard id */ |
| 98 | { USB_DEVICE(0x0bdb, 0x1002) }, |
| 99 | |
| 100 | /* Canyon CN-BTU1 with HID interfaces */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 101 | { USB_DEVICE(0x0c10, 0x0000) }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 102 | |
Wen-chien Jesse Sung | d13431c | 2011-11-08 14:30:22 +0800 | [diff] [blame] | 103 | /* Broadcom BCM20702A0 */ |
Jeff Cook | 1ee3ff6 | 2012-11-09 16:39:48 -0700 | [diff] [blame] | 104 | { USB_DEVICE(0x0b05, 0x17b5) }, |
Jaroslav Resler | 0c1abbd | 2012-09-11 17:25:32 +0800 | [diff] [blame] | 105 | { USB_DEVICE(0x04ca, 0x2003) }, |
Manoj Iyer | 79cd760 | 2012-04-09 09:22:28 -0500 | [diff] [blame] | 106 | { USB_DEVICE(0x0489, 0xe042) }, |
Wen-chien Jesse Sung | d13431c | 2011-11-08 14:30:22 +0800 | [diff] [blame] | 107 | { USB_DEVICE(0x413c, 0x8197) }, |
| 108 | |
Steven Harms | 9851403 | 2012-04-13 14:45:55 -0400 | [diff] [blame] | 109 | /* Foxconn - Hon Hai */ |
Gustavo Padovan | ee66401 | 2012-08-15 01:38:11 -0300 | [diff] [blame] | 110 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01) }, |
Steven Harms | 9851403 | 2012-04-13 14:45:55 -0400 | [diff] [blame] | 111 | |
Gustavo Padovan | 92c385f | 2012-08-06 15:36:49 -0300 | [diff] [blame] | 112 | /*Broadcom devices with vendor specific id */ |
| 113 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01) }, |
| 114 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 115 | { } /* Terminating entry */ |
| 116 | }; |
| 117 | |
| 118 | MODULE_DEVICE_TABLE(usb, btusb_table); |
| 119 | |
| 120 | static struct usb_device_id blacklist_table[] = { |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 121 | /* CSR BlueCore devices */ |
| 122 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, |
| 123 | |
| 124 | /* Broadcom BCM2033 without firmware */ |
| 125 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, |
| 126 | |
Bala Shanmugam | be93112 | 2010-11-26 17:35:46 +0530 | [diff] [blame] | 127 | /* Atheros 3011 with sflash firmware */ |
| 128 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, |
Marek Vasut | 6eda541 | 2012-06-08 14:32:50 +0200 | [diff] [blame] | 129 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
Andy Ross | 2a7bccc | 2011-05-09 16:11:16 -0700 | [diff] [blame] | 130 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
Ricardo Mendoza | 8e7c3d2 | 2011-07-13 16:04:29 +0100 | [diff] [blame] | 131 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
Keng-Yu Lin | 6b6ba88 | 2011-11-30 18:32:37 +0800 | [diff] [blame] | 132 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, |
Marcos Chaparro | acd9454 | 2012-11-06 16:19:11 -0300 | [diff] [blame] | 133 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
Bala Shanmugam | be93112 | 2010-11-26 17:35:46 +0530 | [diff] [blame] | 134 | |
Cho, Yu-Chen | 509e786 | 2011-01-26 17:10:59 +0800 | [diff] [blame] | 135 | /* Atheros AR9285 Malbec with sflash firmware */ |
| 136 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, |
| 137 | |
Bala Shanmugam | d9f51b5 | 2011-02-11 15:38:53 +0530 | [diff] [blame] | 138 | /* Atheros 3012 with sflash firmware */ |
Ming Lei | d66629c | 2013-03-15 11:00:39 +0800 | [diff] [blame] | 139 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
Steven.Li | 2d25f8b | 2011-07-01 14:02:36 +0800 | [diff] [blame] | 140 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
Sunguk Lee | 94a32d10 | 2013-03-12 04:41:58 +0900 | [diff] [blame] | 141 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
Cho, Yu-Chen | 07c0ea8 | 2012-03-14 22:01:21 +0200 | [diff] [blame] | 142 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
Ming Lei | ebaf579 | 2013-03-18 23:45:11 +0800 | [diff] [blame] | 143 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
Eran | 9498ba7 | 2011-12-05 22:15:29 +0000 | [diff] [blame] | 144 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, |
Josh Boyer | 3f63c34 | 2013-02-19 11:54:16 -0500 | [diff] [blame] | 145 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, |
AceLan Kao | 55ed7d4 | 2012-03-28 10:25:36 +0800 | [diff] [blame] | 146 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, |
Daniel Schaal | 2c262b2 | 2012-12-29 11:14:34 +0100 | [diff] [blame] | 147 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, |
Sergio Cambra | f4d6f7d | 2013-01-10 01:06:55 +0100 | [diff] [blame] | 148 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
AceLan Kao | 87522a4 | 2012-04-13 17:39:57 +0800 | [diff] [blame] | 149 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
AceLan Kao | ac71311 | 2012-04-19 14:53:45 +0800 | [diff] [blame] | 150 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
Peng Chen | 877ed5f | 2013-08-30 17:41:40 +0800 | [diff] [blame^] | 151 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
Giancarlo Formicuccia | 6c4ae5c | 2012-06-10 08:33:11 +0200 | [diff] [blame] | 152 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
Peng Chen | 2096ae6 | 2012-08-01 10:11:59 +0800 | [diff] [blame] | 153 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, |
AceLan Kao | eed307e | 2012-12-11 11:41:20 +0800 | [diff] [blame] | 154 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
AceLan Kao | 3a61eda | 2013-01-03 12:24:59 +0800 | [diff] [blame] | 155 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, |
AceLan Kao | 2582d52 | 2013-01-03 12:25:00 +0800 | [diff] [blame] | 156 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, |
Noguchi Kazutosi | 0fc110f | 2013-03-24 23:41:10 +0900 | [diff] [blame] | 157 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
Thomas Loo | 4008b2c | 2013-07-03 02:53:54 +0200 | [diff] [blame] | 158 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
Sujith Manoharan | 44c4127 | 2013-07-15 09:29:03 +0530 | [diff] [blame] | 159 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
AceLan Kao | df23504 | 2013-07-17 11:27:40 +0800 | [diff] [blame] | 160 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
AceLan Kao | eba6a13 | 2013-06-20 13:38:45 +0800 | [diff] [blame] | 161 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
Bala Shanmugam | d9f51b5 | 2011-02-11 15:38:53 +0530 | [diff] [blame] | 162 | |
Cho, Yu-Chen | e9036e3 | 2011-02-15 10:20:07 +0800 | [diff] [blame] | 163 | /* Atheros AR5BBU12 with sflash firmware */ |
| 164 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, |
| 165 | |
Michael Gruetzner | 85d5972 | 2012-05-02 22:33:40 +0200 | [diff] [blame] | 166 | /* Atheros AR5BBU12 with sflash firmware */ |
| 167 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, |
Yevgeniy Melnichuk | bc21fde | 2012-08-07 19:48:10 +0530 | [diff] [blame] | 168 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
Michael Gruetzner | 85d5972 | 2012-05-02 22:33:40 +0200 | [diff] [blame] | 169 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 170 | /* Broadcom BCM2035 */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 171 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 172 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 173 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 174 | |
| 175 | /* Broadcom BCM2045 */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 176 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 177 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | bdbef3d | 2008-09-23 00:16:35 +0200 | [diff] [blame] | 178 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 179 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 180 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 181 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 182 | |
| 183 | /* HP laptop with Broadcom chip */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 184 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 185 | |
| 186 | /* Dell laptop with Broadcom chip */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 187 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 188 | |
Marcel Holtmann | 5ddd4a6 | 2008-11-30 12:17:27 +0100 | [diff] [blame] | 189 | /* Dell Wireless 370 and 410 devices */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 190 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | 5ddd4a6 | 2008-11-30 12:17:27 +0100 | [diff] [blame] | 191 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 192 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 193 | /* Belkin F8T012 and F8T013 devices */ |
| 194 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 195 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 196 | |
Marcel Holtmann | 5ddd4a6 | 2008-11-30 12:17:27 +0100 | [diff] [blame] | 197 | /* Asus WL-BTD202 device */ |
| 198 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 199 | |
| 200 | /* Kensington Bluetooth USB adapter */ |
| 201 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 202 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 203 | /* RTX Telecom based adapters with buggy SCO support */ |
| 204 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, |
| 205 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, |
| 206 | |
| 207 | /* CONWISE Technology based adapters with buggy SCO support */ |
| 208 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, |
| 209 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 210 | /* Digianswer devices */ |
| 211 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, |
| 212 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, |
| 213 | |
| 214 | /* CSR BlueCore Bluetooth Sniffer */ |
| 215 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, |
| 216 | |
| 217 | /* Frontline ComProbe Bluetooth Sniffer */ |
| 218 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, |
| 219 | |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 220 | /* Intel Bluetooth device */ |
| 221 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, |
| 222 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 223 | { } /* Terminating entry */ |
| 224 | }; |
| 225 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 226 | #define BTUSB_MAX_ISOC_FRAMES 10 |
| 227 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 228 | #define BTUSB_INTR_RUNNING 0 |
| 229 | #define BTUSB_BULK_RUNNING 1 |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 230 | #define BTUSB_ISOC_RUNNING 2 |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 231 | #define BTUSB_SUSPENDING 3 |
Gustavo F. Padovan | 08b8b6c | 2010-07-16 17:20:33 -0300 | [diff] [blame] | 232 | #define BTUSB_DID_ISO_RESUME 4 |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 233 | |
| 234 | struct btusb_data { |
| 235 | struct hci_dev *hdev; |
| 236 | struct usb_device *udev; |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 237 | struct usb_interface *intf; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 238 | struct usb_interface *isoc; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 239 | |
| 240 | spinlock_t lock; |
| 241 | |
| 242 | unsigned long flags; |
| 243 | |
| 244 | struct work_struct work; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 245 | struct work_struct waker; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 246 | |
| 247 | struct usb_anchor tx_anchor; |
| 248 | struct usb_anchor intr_anchor; |
| 249 | struct usb_anchor bulk_anchor; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 250 | struct usb_anchor isoc_anchor; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 251 | struct usb_anchor deferred; |
| 252 | int tx_in_flight; |
| 253 | spinlock_t txlock; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 254 | |
| 255 | struct usb_endpoint_descriptor *intr_ep; |
| 256 | struct usb_endpoint_descriptor *bulk_tx_ep; |
| 257 | struct usb_endpoint_descriptor *bulk_rx_ep; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 258 | struct usb_endpoint_descriptor *isoc_tx_ep; |
| 259 | struct usb_endpoint_descriptor *isoc_rx_ep; |
| 260 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 261 | __u8 cmdreq_type; |
| 262 | |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 263 | unsigned int sco_num; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 264 | int isoc_altsetting; |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 265 | int suspend_count; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 266 | }; |
| 267 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 268 | static int inc_tx(struct btusb_data *data) |
| 269 | { |
| 270 | unsigned long flags; |
| 271 | int rv; |
| 272 | |
| 273 | spin_lock_irqsave(&data->txlock, flags); |
| 274 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); |
| 275 | if (!rv) |
| 276 | data->tx_in_flight++; |
| 277 | spin_unlock_irqrestore(&data->txlock, flags); |
| 278 | |
| 279 | return rv; |
| 280 | } |
| 281 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 282 | static void btusb_intr_complete(struct urb *urb) |
| 283 | { |
| 284 | struct hci_dev *hdev = urb->context; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 285 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 286 | int err; |
| 287 | |
| 288 | BT_DBG("%s urb %p status %d count %d", hdev->name, |
| 289 | urb, urb->status, urb->actual_length); |
| 290 | |
| 291 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 292 | return; |
| 293 | |
| 294 | if (urb->status == 0) { |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 295 | hdev->stat.byte_rx += urb->actual_length; |
| 296 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 297 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
| 298 | urb->transfer_buffer, |
| 299 | urb->actual_length) < 0) { |
| 300 | BT_ERR("%s corrupted event packet", hdev->name); |
| 301 | hdev->stat.err_rx++; |
| 302 | } |
| 303 | } |
| 304 | |
| 305 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) |
| 306 | return; |
| 307 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 308 | usb_mark_last_busy(data->udev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 309 | usb_anchor_urb(urb, &data->intr_anchor); |
| 310 | |
| 311 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 312 | if (err < 0) { |
Paul Bolle | 4935f1c | 2011-08-09 17:16:28 +0200 | [diff] [blame] | 313 | /* -EPERM: urb is being killed; |
| 314 | * -ENODEV: device got disconnected */ |
| 315 | if (err != -EPERM && err != -ENODEV) |
Stefan Seyfried | 61faddf | 2010-11-30 21:49:08 +0100 | [diff] [blame] | 316 | BT_ERR("%s urb %p failed to resubmit (%d)", |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 317 | hdev->name, urb, -err); |
| 318 | usb_unanchor_urb(urb); |
| 319 | } |
| 320 | } |
| 321 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 322 | 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] | 323 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 324 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 325 | struct urb *urb; |
| 326 | unsigned char *buf; |
| 327 | unsigned int pipe; |
| 328 | int err, size; |
| 329 | |
| 330 | BT_DBG("%s", hdev->name); |
| 331 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 332 | if (!data->intr_ep) |
| 333 | return -ENODEV; |
| 334 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 335 | urb = usb_alloc_urb(0, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 336 | if (!urb) |
| 337 | return -ENOMEM; |
| 338 | |
| 339 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); |
| 340 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 341 | buf = kmalloc(size, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 342 | if (!buf) { |
| 343 | usb_free_urb(urb); |
| 344 | return -ENOMEM; |
| 345 | } |
| 346 | |
| 347 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); |
| 348 | |
| 349 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, |
| 350 | btusb_intr_complete, hdev, |
| 351 | data->intr_ep->bInterval); |
| 352 | |
| 353 | urb->transfer_flags |= URB_FREE_BUFFER; |
| 354 | |
| 355 | usb_anchor_urb(urb, &data->intr_anchor); |
| 356 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 357 | err = usb_submit_urb(urb, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 358 | if (err < 0) { |
Paul Bolle | d4b8d1c | 2011-10-09 12:12:22 +0200 | [diff] [blame] | 359 | if (err != -EPERM && err != -ENODEV) |
| 360 | BT_ERR("%s urb %p submission failed (%d)", |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 361 | hdev->name, urb, -err); |
| 362 | usb_unanchor_urb(urb); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 363 | } |
| 364 | |
| 365 | usb_free_urb(urb); |
| 366 | |
| 367 | return err; |
| 368 | } |
| 369 | |
| 370 | static void btusb_bulk_complete(struct urb *urb) |
| 371 | { |
| 372 | struct hci_dev *hdev = urb->context; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 373 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 374 | int err; |
| 375 | |
| 376 | BT_DBG("%s urb %p status %d count %d", hdev->name, |
| 377 | urb, urb->status, urb->actual_length); |
| 378 | |
| 379 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 380 | return; |
| 381 | |
| 382 | if (urb->status == 0) { |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 383 | hdev->stat.byte_rx += urb->actual_length; |
| 384 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 385 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
| 386 | urb->transfer_buffer, |
| 387 | urb->actual_length) < 0) { |
| 388 | BT_ERR("%s corrupted ACL packet", hdev->name); |
| 389 | hdev->stat.err_rx++; |
| 390 | } |
| 391 | } |
| 392 | |
| 393 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) |
| 394 | return; |
| 395 | |
| 396 | usb_anchor_urb(urb, &data->bulk_anchor); |
Oliver Neukum | 652fd78 | 2009-12-16 19:23:43 +0100 | [diff] [blame] | 397 | usb_mark_last_busy(data->udev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 398 | |
| 399 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 400 | if (err < 0) { |
Paul Bolle | 4935f1c | 2011-08-09 17:16:28 +0200 | [diff] [blame] | 401 | /* -EPERM: urb is being killed; |
| 402 | * -ENODEV: device got disconnected */ |
| 403 | if (err != -EPERM && err != -ENODEV) |
Stefan Seyfried | 61faddf | 2010-11-30 21:49:08 +0100 | [diff] [blame] | 404 | BT_ERR("%s urb %p failed to resubmit (%d)", |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 405 | hdev->name, urb, -err); |
| 406 | usb_unanchor_urb(urb); |
| 407 | } |
| 408 | } |
| 409 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 410 | 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] | 411 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 412 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 413 | struct urb *urb; |
| 414 | unsigned char *buf; |
| 415 | unsigned int pipe; |
Vikram Kandukuri | 290ba20 | 2009-07-02 14:31:59 +0530 | [diff] [blame] | 416 | int err, size = HCI_MAX_FRAME_SIZE; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 417 | |
| 418 | BT_DBG("%s", hdev->name); |
| 419 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 420 | if (!data->bulk_rx_ep) |
| 421 | return -ENODEV; |
| 422 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 423 | urb = usb_alloc_urb(0, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 424 | if (!urb) |
| 425 | return -ENOMEM; |
| 426 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 427 | buf = kmalloc(size, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 428 | if (!buf) { |
| 429 | usb_free_urb(urb); |
| 430 | return -ENOMEM; |
| 431 | } |
| 432 | |
| 433 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); |
| 434 | |
| 435 | usb_fill_bulk_urb(urb, data->udev, pipe, |
| 436 | buf, size, btusb_bulk_complete, hdev); |
| 437 | |
| 438 | urb->transfer_flags |= URB_FREE_BUFFER; |
| 439 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 440 | usb_mark_last_busy(data->udev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 441 | usb_anchor_urb(urb, &data->bulk_anchor); |
| 442 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 443 | err = usb_submit_urb(urb, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 444 | if (err < 0) { |
Paul Bolle | d4b8d1c | 2011-10-09 12:12:22 +0200 | [diff] [blame] | 445 | if (err != -EPERM && err != -ENODEV) |
| 446 | BT_ERR("%s urb %p submission failed (%d)", |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 447 | hdev->name, urb, -err); |
| 448 | usb_unanchor_urb(urb); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 449 | } |
| 450 | |
| 451 | usb_free_urb(urb); |
| 452 | |
| 453 | return err; |
| 454 | } |
| 455 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 456 | static void btusb_isoc_complete(struct urb *urb) |
| 457 | { |
| 458 | struct hci_dev *hdev = urb->context; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 459 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 460 | int i, err; |
| 461 | |
| 462 | BT_DBG("%s urb %p status %d count %d", hdev->name, |
| 463 | urb, urb->status, urb->actual_length); |
| 464 | |
| 465 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 466 | return; |
| 467 | |
| 468 | if (urb->status == 0) { |
| 469 | for (i = 0; i < urb->number_of_packets; i++) { |
| 470 | unsigned int offset = urb->iso_frame_desc[i].offset; |
| 471 | unsigned int length = urb->iso_frame_desc[i].actual_length; |
| 472 | |
| 473 | if (urb->iso_frame_desc[i].status) |
| 474 | continue; |
| 475 | |
| 476 | hdev->stat.byte_rx += length; |
| 477 | |
| 478 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, |
| 479 | urb->transfer_buffer + offset, |
| 480 | length) < 0) { |
| 481 | BT_ERR("%s corrupted SCO packet", hdev->name); |
| 482 | hdev->stat.err_rx++; |
| 483 | } |
| 484 | } |
| 485 | } |
| 486 | |
| 487 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) |
| 488 | return; |
| 489 | |
| 490 | usb_anchor_urb(urb, &data->isoc_anchor); |
| 491 | |
| 492 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 493 | if (err < 0) { |
Paul Bolle | 4935f1c | 2011-08-09 17:16:28 +0200 | [diff] [blame] | 494 | /* -EPERM: urb is being killed; |
| 495 | * -ENODEV: device got disconnected */ |
| 496 | if (err != -EPERM && err != -ENODEV) |
Stefan Seyfried | 61faddf | 2010-11-30 21:49:08 +0100 | [diff] [blame] | 497 | BT_ERR("%s urb %p failed to resubmit (%d)", |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 498 | hdev->name, urb, -err); |
| 499 | usb_unanchor_urb(urb); |
| 500 | } |
| 501 | } |
| 502 | |
Jesper Juhl | 42b16b3 | 2011-01-17 00:09:38 +0100 | [diff] [blame] | 503 | 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] | 504 | { |
| 505 | int i, offset = 0; |
| 506 | |
| 507 | BT_DBG("len %d mtu %d", len, mtu); |
| 508 | |
| 509 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; |
| 510 | i++, offset += mtu, len -= mtu) { |
| 511 | urb->iso_frame_desc[i].offset = offset; |
| 512 | urb->iso_frame_desc[i].length = mtu; |
| 513 | } |
| 514 | |
| 515 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { |
| 516 | urb->iso_frame_desc[i].offset = offset; |
| 517 | urb->iso_frame_desc[i].length = len; |
| 518 | i++; |
| 519 | } |
| 520 | |
| 521 | urb->number_of_packets = i; |
| 522 | } |
| 523 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 524 | 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] | 525 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 526 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 527 | struct urb *urb; |
| 528 | unsigned char *buf; |
| 529 | unsigned int pipe; |
| 530 | int err, size; |
| 531 | |
| 532 | BT_DBG("%s", hdev->name); |
| 533 | |
| 534 | if (!data->isoc_rx_ep) |
| 535 | return -ENODEV; |
| 536 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 537 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 538 | if (!urb) |
| 539 | return -ENOMEM; |
| 540 | |
| 541 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * |
| 542 | BTUSB_MAX_ISOC_FRAMES; |
| 543 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 544 | buf = kmalloc(size, mem_flags); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 545 | if (!buf) { |
| 546 | usb_free_urb(urb); |
| 547 | return -ENOMEM; |
| 548 | } |
| 549 | |
| 550 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); |
| 551 | |
Bing Zhao | fa0fb93 | 2011-12-20 18:19:00 -0800 | [diff] [blame] | 552 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
| 553 | hdev, data->isoc_rx_ep->bInterval); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 554 | |
| 555 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 556 | |
| 557 | __fill_isoc_descriptor(urb, size, |
| 558 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); |
| 559 | |
| 560 | usb_anchor_urb(urb, &data->isoc_anchor); |
| 561 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 562 | err = usb_submit_urb(urb, mem_flags); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 563 | if (err < 0) { |
Paul Bolle | d4b8d1c | 2011-10-09 12:12:22 +0200 | [diff] [blame] | 564 | if (err != -EPERM && err != -ENODEV) |
| 565 | BT_ERR("%s urb %p submission failed (%d)", |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 566 | hdev->name, urb, -err); |
| 567 | usb_unanchor_urb(urb); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 568 | } |
| 569 | |
| 570 | usb_free_urb(urb); |
| 571 | |
| 572 | return err; |
| 573 | } |
| 574 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 575 | static void btusb_tx_complete(struct urb *urb) |
| 576 | { |
| 577 | struct sk_buff *skb = urb->context; |
| 578 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 579 | struct btusb_data *data = hci_get_drvdata(hdev); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 580 | |
| 581 | BT_DBG("%s urb %p status %d count %d", hdev->name, |
| 582 | urb, urb->status, urb->actual_length); |
| 583 | |
| 584 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 585 | goto done; |
| 586 | |
| 587 | if (!urb->status) |
| 588 | hdev->stat.byte_tx += urb->transfer_buffer_length; |
| 589 | else |
| 590 | hdev->stat.err_tx++; |
| 591 | |
| 592 | done: |
| 593 | spin_lock(&data->txlock); |
| 594 | data->tx_in_flight--; |
| 595 | spin_unlock(&data->txlock); |
| 596 | |
| 597 | kfree(urb->setup_packet); |
| 598 | |
| 599 | kfree_skb(skb); |
| 600 | } |
| 601 | |
| 602 | static void btusb_isoc_tx_complete(struct urb *urb) |
| 603 | { |
| 604 | struct sk_buff *skb = urb->context; |
| 605 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 606 | |
| 607 | BT_DBG("%s urb %p status %d count %d", hdev->name, |
| 608 | urb, urb->status, urb->actual_length); |
| 609 | |
| 610 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 611 | goto done; |
| 612 | |
| 613 | if (!urb->status) |
| 614 | hdev->stat.byte_tx += urb->transfer_buffer_length; |
| 615 | else |
| 616 | hdev->stat.err_tx++; |
| 617 | |
| 618 | done: |
| 619 | kfree(urb->setup_packet); |
| 620 | |
| 621 | kfree_skb(skb); |
| 622 | } |
| 623 | |
| 624 | static int btusb_open(struct hci_dev *hdev) |
| 625 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 626 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 627 | int err; |
| 628 | |
| 629 | BT_DBG("%s", hdev->name); |
| 630 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 631 | err = usb_autopm_get_interface(data->intf); |
| 632 | if (err < 0) |
| 633 | return err; |
| 634 | |
| 635 | data->intf->needs_remote_wakeup = 1; |
| 636 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 637 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 638 | goto done; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 639 | |
| 640 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 641 | goto done; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 642 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 643 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 644 | if (err < 0) |
| 645 | goto failed; |
| 646 | |
| 647 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 648 | if (err < 0) { |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 649 | usb_kill_anchored_urbs(&data->intr_anchor); |
| 650 | goto failed; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 651 | } |
| 652 | |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 653 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
| 654 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); |
| 655 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 656 | done: |
| 657 | usb_autopm_put_interface(data->intf); |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 658 | return 0; |
| 659 | |
| 660 | failed: |
| 661 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
| 662 | clear_bit(HCI_RUNNING, &hdev->flags); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 663 | usb_autopm_put_interface(data->intf); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 664 | return err; |
| 665 | } |
| 666 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 667 | static void btusb_stop_traffic(struct btusb_data *data) |
| 668 | { |
| 669 | usb_kill_anchored_urbs(&data->intr_anchor); |
| 670 | usb_kill_anchored_urbs(&data->bulk_anchor); |
| 671 | usb_kill_anchored_urbs(&data->isoc_anchor); |
| 672 | } |
| 673 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 674 | static int btusb_close(struct hci_dev *hdev) |
| 675 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 676 | struct btusb_data *data = hci_get_drvdata(hdev); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 677 | int err; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 678 | |
| 679 | BT_DBG("%s", hdev->name); |
| 680 | |
| 681 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) |
| 682 | return 0; |
| 683 | |
Marcel Holtmann | e8c3c3d | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 684 | cancel_work_sync(&data->work); |
Linus Torvalds | 404291a | 2009-11-11 13:32:29 -0800 | [diff] [blame] | 685 | cancel_work_sync(&data->waker); |
Marcel Holtmann | e8c3c3d | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 686 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 687 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 688 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 689 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 690 | |
| 691 | btusb_stop_traffic(data); |
| 692 | err = usb_autopm_get_interface(data->intf); |
| 693 | if (err < 0) |
Oliver Neukum | 7b8e2c1 | 2009-11-13 14:26:23 +0100 | [diff] [blame] | 694 | goto failed; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 695 | |
| 696 | data->intf->needs_remote_wakeup = 0; |
| 697 | usb_autopm_put_interface(data->intf); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 698 | |
Oliver Neukum | 7b8e2c1 | 2009-11-13 14:26:23 +0100 | [diff] [blame] | 699 | failed: |
| 700 | usb_scuttle_anchored_urbs(&data->deferred); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 701 | return 0; |
| 702 | } |
| 703 | |
| 704 | static int btusb_flush(struct hci_dev *hdev) |
| 705 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 706 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 707 | |
| 708 | BT_DBG("%s", hdev->name); |
| 709 | |
| 710 | usb_kill_anchored_urbs(&data->tx_anchor); |
| 711 | |
| 712 | return 0; |
| 713 | } |
| 714 | |
| 715 | static int btusb_send_frame(struct sk_buff *skb) |
| 716 | { |
| 717 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 718 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 719 | struct usb_ctrlrequest *dr; |
| 720 | struct urb *urb; |
| 721 | unsigned int pipe; |
| 722 | int err; |
| 723 | |
| 724 | BT_DBG("%s", hdev->name); |
| 725 | |
| 726 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 727 | return -EBUSY; |
| 728 | |
| 729 | switch (bt_cb(skb)->pkt_type) { |
| 730 | case HCI_COMMAND_PKT: |
| 731 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
| 732 | if (!urb) |
| 733 | return -ENOMEM; |
| 734 | |
| 735 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); |
| 736 | if (!dr) { |
| 737 | usb_free_urb(urb); |
| 738 | return -ENOMEM; |
| 739 | } |
| 740 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 741 | dr->bRequestType = data->cmdreq_type; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 742 | dr->bRequest = 0; |
| 743 | dr->wIndex = 0; |
| 744 | dr->wValue = 0; |
| 745 | dr->wLength = __cpu_to_le16(skb->len); |
| 746 | |
| 747 | pipe = usb_sndctrlpipe(data->udev, 0x00); |
| 748 | |
| 749 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, |
| 750 | skb->data, skb->len, btusb_tx_complete, skb); |
| 751 | |
| 752 | hdev->stat.cmd_tx++; |
| 753 | break; |
| 754 | |
| 755 | case HCI_ACLDATA_PKT: |
Peter Hurley | 9fd481e | 2011-07-14 08:48:32 -0400 | [diff] [blame] | 756 | if (!data->bulk_tx_ep) |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 757 | return -ENODEV; |
| 758 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 759 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
| 760 | if (!urb) |
| 761 | return -ENOMEM; |
| 762 | |
| 763 | pipe = usb_sndbulkpipe(data->udev, |
| 764 | data->bulk_tx_ep->bEndpointAddress); |
| 765 | |
| 766 | usb_fill_bulk_urb(urb, data->udev, pipe, |
| 767 | skb->data, skb->len, btusb_tx_complete, skb); |
| 768 | |
| 769 | hdev->stat.acl_tx++; |
| 770 | break; |
| 771 | |
| 772 | case HCI_SCODATA_PKT: |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 773 | if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) |
| 774 | return -ENODEV; |
| 775 | |
| 776 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); |
| 777 | if (!urb) |
| 778 | return -ENOMEM; |
| 779 | |
| 780 | pipe = usb_sndisocpipe(data->udev, |
| 781 | data->isoc_tx_ep->bEndpointAddress); |
| 782 | |
Gustavo F. Padovan | 03c2d0e | 2011-02-14 18:53:43 -0300 | [diff] [blame] | 783 | usb_fill_int_urb(urb, data->udev, pipe, |
| 784 | skb->data, skb->len, btusb_isoc_tx_complete, |
| 785 | skb, data->isoc_tx_ep->bInterval); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 786 | |
| 787 | urb->transfer_flags = URB_ISO_ASAP; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 788 | |
| 789 | __fill_isoc_descriptor(urb, skb->len, |
| 790 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); |
| 791 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 792 | hdev->stat.sco_tx++; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 793 | goto skip_waking; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 794 | |
| 795 | default: |
| 796 | return -EILSEQ; |
| 797 | } |
| 798 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 799 | err = inc_tx(data); |
| 800 | if (err) { |
| 801 | usb_anchor_urb(urb, &data->deferred); |
| 802 | schedule_work(&data->waker); |
| 803 | err = 0; |
| 804 | goto done; |
| 805 | } |
| 806 | |
| 807 | skip_waking: |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 808 | usb_anchor_urb(urb, &data->tx_anchor); |
| 809 | |
| 810 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 811 | if (err < 0) { |
Paul Bolle | 5a9b80e | 2011-10-09 12:12:16 +0200 | [diff] [blame] | 812 | if (err != -EPERM && err != -ENODEV) |
| 813 | BT_ERR("%s urb %p submission failed (%d)", |
| 814 | hdev->name, urb, -err); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 815 | kfree(urb->setup_packet); |
| 816 | usb_unanchor_urb(urb); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 817 | } else { |
| 818 | usb_mark_last_busy(data->udev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 819 | } |
| 820 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 821 | done: |
Cong Wang | 54a8a79 | 2011-11-22 09:32:57 +0800 | [diff] [blame] | 822 | usb_free_urb(urb); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 823 | return err; |
| 824 | } |
| 825 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 826 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
| 827 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 828 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 829 | |
| 830 | BT_DBG("%s evt %d", hdev->name, evt); |
| 831 | |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 832 | if (hdev->conn_hash.sco_num != data->sco_num) { |
| 833 | data->sco_num = hdev->conn_hash.sco_num; |
| 834 | schedule_work(&data->work); |
Marcel Holtmann | a780efa | 2008-11-30 12:17:12 +0100 | [diff] [blame] | 835 | } |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 836 | } |
| 837 | |
Jesper Juhl | 42b16b3 | 2011-01-17 00:09:38 +0100 | [diff] [blame] | 838 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 839 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 840 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 841 | struct usb_interface *intf = data->isoc; |
| 842 | struct usb_endpoint_descriptor *ep_desc; |
| 843 | int i, err; |
| 844 | |
| 845 | if (!data->isoc) |
| 846 | return -ENODEV; |
| 847 | |
| 848 | err = usb_set_interface(data->udev, 1, altsetting); |
| 849 | if (err < 0) { |
| 850 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); |
| 851 | return err; |
| 852 | } |
| 853 | |
| 854 | data->isoc_altsetting = altsetting; |
| 855 | |
| 856 | data->isoc_tx_ep = NULL; |
| 857 | data->isoc_rx_ep = NULL; |
| 858 | |
| 859 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { |
| 860 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; |
| 861 | |
| 862 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { |
| 863 | data->isoc_tx_ep = ep_desc; |
| 864 | continue; |
| 865 | } |
| 866 | |
| 867 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { |
| 868 | data->isoc_rx_ep = ep_desc; |
| 869 | continue; |
| 870 | } |
| 871 | } |
| 872 | |
| 873 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { |
| 874 | BT_ERR("%s invalid SCO descriptors", hdev->name); |
| 875 | return -ENODEV; |
| 876 | } |
| 877 | |
| 878 | return 0; |
| 879 | } |
| 880 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 881 | static void btusb_work(struct work_struct *work) |
| 882 | { |
| 883 | struct btusb_data *data = container_of(work, struct btusb_data, work); |
| 884 | struct hci_dev *hdev = data->hdev; |
Mikel Astiz | f4001d2 | 2012-04-11 08:48:51 +0200 | [diff] [blame] | 885 | int new_alts; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 886 | int err; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 887 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 888 | if (hdev->conn_hash.sco_num > 0) { |
Gustavo F. Padovan | 08b8b6c | 2010-07-16 17:20:33 -0300 | [diff] [blame] | 889 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
Oliver Neukum | 8efdd0c | 2011-02-11 13:00:06 +0100 | [diff] [blame] | 890 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 891 | if (err < 0) { |
| 892 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 893 | usb_kill_anchored_urbs(&data->isoc_anchor); |
| 894 | return; |
| 895 | } |
| 896 | |
Gustavo F. Padovan | 08b8b6c | 2010-07-16 17:20:33 -0300 | [diff] [blame] | 897 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 898 | } |
Mikel Astiz | f4001d2 | 2012-04-11 08:48:51 +0200 | [diff] [blame] | 899 | |
| 900 | if (hdev->voice_setting & 0x0020) { |
| 901 | static const int alts[3] = { 2, 4, 5 }; |
| 902 | new_alts = alts[hdev->conn_hash.sco_num - 1]; |
| 903 | } else { |
| 904 | new_alts = hdev->conn_hash.sco_num; |
| 905 | } |
| 906 | |
| 907 | if (data->isoc_altsetting != new_alts) { |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 908 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 909 | usb_kill_anchored_urbs(&data->isoc_anchor); |
| 910 | |
Mikel Astiz | f4001d2 | 2012-04-11 08:48:51 +0200 | [diff] [blame] | 911 | if (__set_isoc_interface(hdev, new_alts) < 0) |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 912 | return; |
| 913 | } |
| 914 | |
| 915 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 916 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 917 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 918 | else |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 919 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 920 | } |
| 921 | } else { |
| 922 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 923 | usb_kill_anchored_urbs(&data->isoc_anchor); |
| 924 | |
| 925 | __set_isoc_interface(hdev, 0); |
Gustavo F. Padovan | 08b8b6c | 2010-07-16 17:20:33 -0300 | [diff] [blame] | 926 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
Oliver Neukum | 8efdd0c | 2011-02-11 13:00:06 +0100 | [diff] [blame] | 927 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 928 | } |
| 929 | } |
| 930 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 931 | static void btusb_waker(struct work_struct *work) |
| 932 | { |
| 933 | struct btusb_data *data = container_of(work, struct btusb_data, waker); |
| 934 | int err; |
| 935 | |
| 936 | err = usb_autopm_get_interface(data->intf); |
| 937 | if (err < 0) |
| 938 | return; |
| 939 | |
| 940 | usb_autopm_put_interface(data->intf); |
| 941 | } |
| 942 | |
Marcel Holtmann | 9f8f962 | 2013-04-10 08:11:35 -0700 | [diff] [blame] | 943 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
| 944 | { |
| 945 | struct sk_buff *skb; |
| 946 | u8 val = 0x00; |
| 947 | |
| 948 | BT_DBG("%s", hdev->name); |
| 949 | |
| 950 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); |
| 951 | if (IS_ERR(skb)) |
| 952 | BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb)); |
| 953 | else |
| 954 | kfree_skb(skb); |
| 955 | |
| 956 | return 0; |
| 957 | } |
| 958 | |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 959 | struct intel_version { |
| 960 | u8 status; |
| 961 | u8 hw_platform; |
| 962 | u8 hw_variant; |
| 963 | u8 hw_revision; |
| 964 | u8 fw_variant; |
| 965 | u8 fw_revision; |
| 966 | u8 fw_build_num; |
| 967 | u8 fw_build_ww; |
| 968 | u8 fw_build_yy; |
| 969 | u8 fw_patch_num; |
| 970 | } __packed; |
| 971 | |
| 972 | static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, |
| 973 | struct intel_version *ver) |
| 974 | { |
| 975 | const struct firmware *fw; |
| 976 | char fwname[64]; |
| 977 | int ret; |
| 978 | |
| 979 | snprintf(fwname, sizeof(fwname), |
| 980 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", |
| 981 | ver->hw_platform, ver->hw_variant, ver->hw_revision, |
| 982 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, |
| 983 | ver->fw_build_ww, ver->fw_build_yy); |
| 984 | |
| 985 | ret = request_firmware(&fw, fwname, &hdev->dev); |
| 986 | if (ret < 0) { |
| 987 | if (ret == -EINVAL) { |
| 988 | BT_ERR("%s Intel firmware file request failed (%d)", |
| 989 | hdev->name, ret); |
| 990 | return NULL; |
| 991 | } |
| 992 | |
| 993 | BT_ERR("%s failed to open Intel firmware file: %s(%d)", |
| 994 | hdev->name, fwname, ret); |
| 995 | |
| 996 | /* If the correct firmware patch file is not found, use the |
| 997 | * default firmware patch file instead |
| 998 | */ |
| 999 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", |
| 1000 | ver->hw_platform, ver->hw_variant); |
| 1001 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { |
| 1002 | BT_ERR("%s failed to open default Intel fw file: %s", |
| 1003 | hdev->name, fwname); |
| 1004 | return NULL; |
| 1005 | } |
| 1006 | } |
| 1007 | |
| 1008 | BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname); |
| 1009 | |
| 1010 | return fw; |
| 1011 | } |
| 1012 | |
| 1013 | static int btusb_setup_intel_patching(struct hci_dev *hdev, |
| 1014 | const struct firmware *fw, |
| 1015 | const u8 **fw_ptr, int *disable_patch) |
| 1016 | { |
| 1017 | struct sk_buff *skb; |
| 1018 | struct hci_command_hdr *cmd; |
| 1019 | const u8 *cmd_param; |
| 1020 | struct hci_event_hdr *evt = NULL; |
| 1021 | const u8 *evt_param = NULL; |
| 1022 | int remain = fw->size - (*fw_ptr - fw->data); |
| 1023 | |
| 1024 | /* The first byte indicates the types of the patch command or event. |
| 1025 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes |
| 1026 | * in the current firmware buffer doesn't start with 0x01 or |
| 1027 | * the size of remain buffer is smaller than HCI command header, |
| 1028 | * the firmware file is corrupted and it should stop the patching |
| 1029 | * process. |
| 1030 | */ |
| 1031 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { |
| 1032 | BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name); |
| 1033 | return -EINVAL; |
| 1034 | } |
| 1035 | (*fw_ptr)++; |
| 1036 | remain--; |
| 1037 | |
| 1038 | cmd = (struct hci_command_hdr *)(*fw_ptr); |
| 1039 | *fw_ptr += sizeof(*cmd); |
| 1040 | remain -= sizeof(*cmd); |
| 1041 | |
| 1042 | /* Ensure that the remain firmware data is long enough than the length |
| 1043 | * of command parameter. If not, the firmware file is corrupted. |
| 1044 | */ |
| 1045 | if (remain < cmd->plen) { |
| 1046 | BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name); |
| 1047 | return -EFAULT; |
| 1048 | } |
| 1049 | |
| 1050 | /* If there is a command that loads a patch in the firmware |
| 1051 | * file, then enable the patch upon success, otherwise just |
| 1052 | * disable the manufacturer mode, for example patch activation |
| 1053 | * is not required when the default firmware patch file is used |
| 1054 | * because there are no patch data to load. |
| 1055 | */ |
| 1056 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) |
| 1057 | *disable_patch = 0; |
| 1058 | |
| 1059 | cmd_param = *fw_ptr; |
| 1060 | *fw_ptr += cmd->plen; |
| 1061 | remain -= cmd->plen; |
| 1062 | |
| 1063 | /* This reads the expected events when the above command is sent to the |
| 1064 | * device. Some vendor commands expects more than one events, for |
| 1065 | * example command status event followed by vendor specific event. |
| 1066 | * For this case, it only keeps the last expected event. so the command |
| 1067 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of |
| 1068 | * last expected event. |
| 1069 | */ |
| 1070 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { |
| 1071 | (*fw_ptr)++; |
| 1072 | remain--; |
| 1073 | |
| 1074 | evt = (struct hci_event_hdr *)(*fw_ptr); |
| 1075 | *fw_ptr += sizeof(*evt); |
| 1076 | remain -= sizeof(*evt); |
| 1077 | |
| 1078 | if (remain < evt->plen) { |
| 1079 | BT_ERR("%s Intel fw corrupted: invalid evt len", |
| 1080 | hdev->name); |
| 1081 | return -EFAULT; |
| 1082 | } |
| 1083 | |
| 1084 | evt_param = *fw_ptr; |
| 1085 | *fw_ptr += evt->plen; |
| 1086 | remain -= evt->plen; |
| 1087 | } |
| 1088 | |
| 1089 | /* Every HCI commands in the firmware file has its correspond event. |
| 1090 | * If event is not found or remain is smaller than zero, the firmware |
| 1091 | * file is corrupted. |
| 1092 | */ |
| 1093 | if (!evt || !evt_param || remain < 0) { |
| 1094 | BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name); |
| 1095 | return -EFAULT; |
| 1096 | } |
| 1097 | |
| 1098 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, |
| 1099 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); |
| 1100 | if (IS_ERR(skb)) { |
| 1101 | BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)", |
| 1102 | hdev->name, cmd->opcode, PTR_ERR(skb)); |
Adam Lee | ea78875 | 2013-07-10 10:02:12 +0800 | [diff] [blame] | 1103 | return PTR_ERR(skb); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1104 | } |
| 1105 | |
| 1106 | /* It ensures that the returned event matches the event data read from |
| 1107 | * the firmware file. At fist, it checks the length and then |
| 1108 | * the contents of the event. |
| 1109 | */ |
| 1110 | if (skb->len != evt->plen) { |
| 1111 | BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name, |
| 1112 | le16_to_cpu(cmd->opcode)); |
| 1113 | kfree_skb(skb); |
| 1114 | return -EFAULT; |
| 1115 | } |
| 1116 | |
| 1117 | if (memcmp(skb->data, evt_param, evt->plen)) { |
| 1118 | BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)", |
| 1119 | hdev->name, le16_to_cpu(cmd->opcode)); |
| 1120 | kfree_skb(skb); |
| 1121 | return -EFAULT; |
| 1122 | } |
| 1123 | kfree_skb(skb); |
| 1124 | |
| 1125 | return 0; |
| 1126 | } |
| 1127 | |
| 1128 | static int btusb_setup_intel(struct hci_dev *hdev) |
| 1129 | { |
| 1130 | struct sk_buff *skb; |
| 1131 | const struct firmware *fw; |
| 1132 | const u8 *fw_ptr; |
| 1133 | int disable_patch; |
| 1134 | struct intel_version *ver; |
| 1135 | |
| 1136 | const u8 mfg_enable[] = { 0x01, 0x00 }; |
| 1137 | const u8 mfg_disable[] = { 0x00, 0x00 }; |
| 1138 | const u8 mfg_reset_deactivate[] = { 0x00, 0x01 }; |
| 1139 | const u8 mfg_reset_activate[] = { 0x00, 0x02 }; |
| 1140 | |
| 1141 | BT_DBG("%s", hdev->name); |
| 1142 | |
| 1143 | /* The controller has a bug with the first HCI command sent to it |
| 1144 | * returning number of completed commands as zero. This would stall the |
| 1145 | * command processing in the Bluetooth core. |
| 1146 | * |
| 1147 | * As a workaround, send HCI Reset command first which will reset the |
| 1148 | * number of completed commands and allow normal command processing |
| 1149 | * from now on. |
| 1150 | */ |
| 1151 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); |
| 1152 | if (IS_ERR(skb)) { |
| 1153 | BT_ERR("%s sending initial HCI reset command failed (%ld)", |
| 1154 | hdev->name, PTR_ERR(skb)); |
Adam Lee | ea78875 | 2013-07-10 10:02:12 +0800 | [diff] [blame] | 1155 | return PTR_ERR(skb); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1156 | } |
| 1157 | kfree_skb(skb); |
| 1158 | |
| 1159 | /* Read Intel specific controller version first to allow selection of |
| 1160 | * which firmware file to load. |
| 1161 | * |
| 1162 | * The returned information are hardware variant and revision plus |
| 1163 | * firmware variant, revision and build number. |
| 1164 | */ |
| 1165 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); |
| 1166 | if (IS_ERR(skb)) { |
| 1167 | BT_ERR("%s reading Intel fw version command failed (%ld)", |
| 1168 | hdev->name, PTR_ERR(skb)); |
Adam Lee | ea78875 | 2013-07-10 10:02:12 +0800 | [diff] [blame] | 1169 | return PTR_ERR(skb); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1170 | } |
| 1171 | |
| 1172 | if (skb->len != sizeof(*ver)) { |
| 1173 | BT_ERR("%s Intel version event length mismatch", hdev->name); |
| 1174 | kfree_skb(skb); |
| 1175 | return -EIO; |
| 1176 | } |
| 1177 | |
| 1178 | ver = (struct intel_version *)skb->data; |
| 1179 | if (ver->status) { |
| 1180 | BT_ERR("%s Intel fw version event failed (%02x)", hdev->name, |
| 1181 | ver->status); |
| 1182 | kfree_skb(skb); |
| 1183 | return -bt_to_errno(ver->status); |
| 1184 | } |
| 1185 | |
| 1186 | BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", |
| 1187 | hdev->name, ver->hw_platform, ver->hw_variant, |
| 1188 | ver->hw_revision, ver->fw_variant, ver->fw_revision, |
| 1189 | ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy, |
| 1190 | ver->fw_patch_num); |
| 1191 | |
| 1192 | /* fw_patch_num indicates the version of patch the device currently |
| 1193 | * have. If there is no patch data in the device, it is always 0x00. |
| 1194 | * So, if it is other than 0x00, no need to patch the deivce again. |
| 1195 | */ |
| 1196 | if (ver->fw_patch_num) { |
| 1197 | BT_INFO("%s: Intel device is already patched. patch num: %02x", |
| 1198 | hdev->name, ver->fw_patch_num); |
| 1199 | kfree_skb(skb); |
| 1200 | return 0; |
| 1201 | } |
| 1202 | |
| 1203 | /* Opens the firmware patch file based on the firmware version read |
| 1204 | * from the controller. If it fails to open the matching firmware |
| 1205 | * patch file, it tries to open the default firmware patch file. |
| 1206 | * If no patch file is found, allow the device to operate without |
| 1207 | * a patch. |
| 1208 | */ |
| 1209 | fw = btusb_setup_intel_get_fw(hdev, ver); |
| 1210 | if (!fw) { |
| 1211 | kfree_skb(skb); |
| 1212 | return 0; |
| 1213 | } |
| 1214 | fw_ptr = fw->data; |
| 1215 | |
| 1216 | /* This Intel specific command enables the manufacturer mode of the |
| 1217 | * controller. |
| 1218 | * |
| 1219 | * Only while this mode is enabled, the driver can download the |
| 1220 | * firmware patch data and configuration parameters. |
| 1221 | */ |
| 1222 | skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT); |
| 1223 | if (IS_ERR(skb)) { |
| 1224 | BT_ERR("%s entering Intel manufacturer mode failed (%ld)", |
| 1225 | hdev->name, PTR_ERR(skb)); |
| 1226 | release_firmware(fw); |
Adam Lee | ea78875 | 2013-07-10 10:02:12 +0800 | [diff] [blame] | 1227 | return PTR_ERR(skb); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1228 | } |
| 1229 | |
| 1230 | if (skb->data[0]) { |
| 1231 | u8 evt_status = skb->data[0]; |
| 1232 | BT_ERR("%s enable Intel manufacturer mode event failed (%02x)", |
| 1233 | hdev->name, evt_status); |
| 1234 | kfree_skb(skb); |
| 1235 | release_firmware(fw); |
| 1236 | return -bt_to_errno(evt_status); |
| 1237 | } |
| 1238 | kfree_skb(skb); |
| 1239 | |
| 1240 | disable_patch = 1; |
| 1241 | |
| 1242 | /* The firmware data file consists of list of Intel specific HCI |
| 1243 | * commands and its expected events. The first byte indicates the |
| 1244 | * type of the message, either HCI command or HCI event. |
| 1245 | * |
| 1246 | * It reads the command and its expected event from the firmware file, |
| 1247 | * and send to the controller. Once __hci_cmd_sync_ev() returns, |
| 1248 | * the returned event is compared with the event read from the firmware |
| 1249 | * file and it will continue until all the messages are downloaded to |
| 1250 | * the controller. |
| 1251 | * |
| 1252 | * Once the firmware patching is completed successfully, |
| 1253 | * the manufacturer mode is disabled with reset and activating the |
| 1254 | * downloaded patch. |
| 1255 | * |
| 1256 | * If the firmware patching fails, the manufacturer mode is |
| 1257 | * disabled with reset and deactivating the patch. |
| 1258 | * |
| 1259 | * If the default patch file is used, no reset is done when disabling |
| 1260 | * the manufacturer. |
| 1261 | */ |
| 1262 | while (fw->size > fw_ptr - fw->data) { |
| 1263 | int ret; |
| 1264 | |
| 1265 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, |
| 1266 | &disable_patch); |
| 1267 | if (ret < 0) |
| 1268 | goto exit_mfg_deactivate; |
| 1269 | } |
| 1270 | |
| 1271 | release_firmware(fw); |
| 1272 | |
| 1273 | if (disable_patch) |
| 1274 | goto exit_mfg_disable; |
| 1275 | |
| 1276 | /* Patching completed successfully and disable the manufacturer mode |
| 1277 | * with reset and activate the downloaded firmware patches. |
| 1278 | */ |
| 1279 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate), |
| 1280 | mfg_reset_activate, HCI_INIT_TIMEOUT); |
| 1281 | if (IS_ERR(skb)) { |
| 1282 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", |
| 1283 | hdev->name, PTR_ERR(skb)); |
Adam Lee | ea78875 | 2013-07-10 10:02:12 +0800 | [diff] [blame] | 1284 | return PTR_ERR(skb); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1285 | } |
| 1286 | kfree_skb(skb); |
| 1287 | |
| 1288 | BT_INFO("%s: Intel Bluetooth firmware patch completed and activated", |
| 1289 | hdev->name); |
| 1290 | |
| 1291 | return 0; |
| 1292 | |
| 1293 | exit_mfg_disable: |
| 1294 | /* Disable the manufacturer mode without reset */ |
| 1295 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable, |
| 1296 | HCI_INIT_TIMEOUT); |
| 1297 | if (IS_ERR(skb)) { |
| 1298 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", |
| 1299 | hdev->name, PTR_ERR(skb)); |
Adam Lee | ea78875 | 2013-07-10 10:02:12 +0800 | [diff] [blame] | 1300 | return PTR_ERR(skb); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1301 | } |
| 1302 | kfree_skb(skb); |
| 1303 | |
| 1304 | BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name); |
| 1305 | return 0; |
| 1306 | |
| 1307 | exit_mfg_deactivate: |
| 1308 | release_firmware(fw); |
| 1309 | |
| 1310 | /* Patching failed. Disable the manufacturer mode with reset and |
| 1311 | * deactivate the downloaded firmware patches. |
| 1312 | */ |
| 1313 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate), |
| 1314 | mfg_reset_deactivate, HCI_INIT_TIMEOUT); |
| 1315 | if (IS_ERR(skb)) { |
| 1316 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", |
| 1317 | hdev->name, PTR_ERR(skb)); |
Adam Lee | ea78875 | 2013-07-10 10:02:12 +0800 | [diff] [blame] | 1318 | return PTR_ERR(skb); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1319 | } |
| 1320 | kfree_skb(skb); |
| 1321 | |
| 1322 | BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated", |
| 1323 | hdev->name); |
| 1324 | |
| 1325 | return 0; |
| 1326 | } |
| 1327 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1328 | static int btusb_probe(struct usb_interface *intf, |
| 1329 | const struct usb_device_id *id) |
| 1330 | { |
| 1331 | struct usb_endpoint_descriptor *ep_desc; |
| 1332 | struct btusb_data *data; |
| 1333 | struct hci_dev *hdev; |
| 1334 | int i, err; |
| 1335 | |
| 1336 | BT_DBG("intf %p id %p", intf, id); |
| 1337 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1338 | /* interface numbers are hardcoded in the spec */ |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1339 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
| 1340 | return -ENODEV; |
| 1341 | |
| 1342 | if (!id->driver_info) { |
| 1343 | const struct usb_device_id *match; |
| 1344 | match = usb_match_id(intf, blacklist_table); |
| 1345 | if (match) |
| 1346 | id = match; |
| 1347 | } |
| 1348 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1349 | if (id->driver_info == BTUSB_IGNORE) |
| 1350 | return -ENODEV; |
| 1351 | |
| 1352 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) |
| 1353 | return -ENODEV; |
| 1354 | |
| 1355 | if (ignore_csr && id->driver_info & BTUSB_CSR) |
| 1356 | return -ENODEV; |
| 1357 | |
| 1358 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) |
| 1359 | return -ENODEV; |
| 1360 | |
Steven.Li | 2d25f8b | 2011-07-01 14:02:36 +0800 | [diff] [blame] | 1361 | if (id->driver_info & BTUSB_ATH3012) { |
| 1362 | struct usb_device *udev = interface_to_usbdev(intf); |
| 1363 | |
| 1364 | /* Old firmware would otherwise let ath3k driver load |
| 1365 | * patch and sysconfig files */ |
| 1366 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) |
| 1367 | return -ENODEV; |
| 1368 | } |
| 1369 | |
Sachin Kamat | 98921db | 2012-07-27 12:38:39 +0530 | [diff] [blame] | 1370 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1371 | if (!data) |
| 1372 | return -ENOMEM; |
| 1373 | |
| 1374 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { |
| 1375 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; |
| 1376 | |
| 1377 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { |
| 1378 | data->intr_ep = ep_desc; |
| 1379 | continue; |
| 1380 | } |
| 1381 | |
| 1382 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { |
| 1383 | data->bulk_tx_ep = ep_desc; |
| 1384 | continue; |
| 1385 | } |
| 1386 | |
| 1387 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { |
| 1388 | data->bulk_rx_ep = ep_desc; |
| 1389 | continue; |
| 1390 | } |
| 1391 | } |
| 1392 | |
Sachin Kamat | 98921db | 2012-07-27 12:38:39 +0530 | [diff] [blame] | 1393 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1394 | return -ENODEV; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1395 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1396 | data->cmdreq_type = USB_TYPE_CLASS; |
| 1397 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1398 | data->udev = interface_to_usbdev(intf); |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 1399 | data->intf = intf; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1400 | |
| 1401 | spin_lock_init(&data->lock); |
| 1402 | |
| 1403 | INIT_WORK(&data->work, btusb_work); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1404 | INIT_WORK(&data->waker, btusb_waker); |
| 1405 | spin_lock_init(&data->txlock); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1406 | |
| 1407 | init_usb_anchor(&data->tx_anchor); |
| 1408 | init_usb_anchor(&data->intr_anchor); |
| 1409 | init_usb_anchor(&data->bulk_anchor); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1410 | init_usb_anchor(&data->isoc_anchor); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1411 | init_usb_anchor(&data->deferred); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1412 | |
| 1413 | hdev = hci_alloc_dev(); |
Sachin Kamat | 98921db | 2012-07-27 12:38:39 +0530 | [diff] [blame] | 1414 | if (!hdev) |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1415 | return -ENOMEM; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1416 | |
Marcel Holtmann | c13854c | 2010-02-08 15:27:07 +0100 | [diff] [blame] | 1417 | hdev->bus = HCI_USB; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 1418 | hci_set_drvdata(hdev, data); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1419 | |
| 1420 | data->hdev = hdev; |
| 1421 | |
| 1422 | SET_HCIDEV_DEV(hdev, &intf->dev); |
| 1423 | |
Marcel Holtmann | 9f8f962 | 2013-04-10 08:11:35 -0700 | [diff] [blame] | 1424 | hdev->open = btusb_open; |
| 1425 | hdev->close = btusb_close; |
| 1426 | hdev->flush = btusb_flush; |
| 1427 | hdev->send = btusb_send_frame; |
| 1428 | hdev->notify = btusb_notify; |
| 1429 | |
| 1430 | if (id->driver_info & BTUSB_BCM92035) |
| 1431 | hdev->setup = btusb_setup_bcm92035; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1432 | |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1433 | if (id->driver_info & BTUSB_INTEL) |
| 1434 | hdev->setup = btusb_setup_intel; |
| 1435 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1436 | /* Interface numbers are hardcoded in the specification */ |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1437 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
| 1438 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1439 | if (!reset) |
Szymon Janc | a6c511c | 2012-05-23 12:35:46 +0200 | [diff] [blame] | 1440 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1441 | |
| 1442 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { |
| 1443 | if (!disable_scofix) |
| 1444 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); |
| 1445 | } |
| 1446 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1447 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
| 1448 | data->isoc = NULL; |
| 1449 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1450 | if (id->driver_info & BTUSB_DIGIANSWER) { |
| 1451 | data->cmdreq_type = USB_TYPE_VENDOR; |
Szymon Janc | a6c511c | 2012-05-23 12:35:46 +0200 | [diff] [blame] | 1452 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1453 | } |
| 1454 | |
| 1455 | if (id->driver_info & BTUSB_CSR) { |
| 1456 | struct usb_device *udev = data->udev; |
| 1457 | |
| 1458 | /* Old firmware would otherwise execute USB reset */ |
| 1459 | if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) |
Szymon Janc | a6c511c | 2012-05-23 12:35:46 +0200 | [diff] [blame] | 1460 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1461 | } |
| 1462 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1463 | if (id->driver_info & BTUSB_SNIFFER) { |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1464 | struct usb_device *udev = data->udev; |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1465 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1466 | /* New sniffer firmware has crippled HCI interface */ |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1467 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
| 1468 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1469 | |
| 1470 | data->isoc = NULL; |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1471 | } |
| 1472 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1473 | if (data->isoc) { |
| 1474 | err = usb_driver_claim_interface(&btusb_driver, |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 1475 | data->isoc, data); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1476 | if (err < 0) { |
| 1477 | hci_free_dev(hdev); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1478 | return err; |
| 1479 | } |
| 1480 | } |
| 1481 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1482 | err = hci_register_dev(hdev); |
| 1483 | if (err < 0) { |
| 1484 | hci_free_dev(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1485 | return err; |
| 1486 | } |
| 1487 | |
| 1488 | usb_set_intfdata(intf, data); |
| 1489 | |
| 1490 | return 0; |
| 1491 | } |
| 1492 | |
| 1493 | static void btusb_disconnect(struct usb_interface *intf) |
| 1494 | { |
| 1495 | struct btusb_data *data = usb_get_intfdata(intf); |
| 1496 | struct hci_dev *hdev; |
| 1497 | |
| 1498 | BT_DBG("intf %p", intf); |
| 1499 | |
| 1500 | if (!data) |
| 1501 | return; |
| 1502 | |
| 1503 | hdev = data->hdev; |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 1504 | usb_set_intfdata(data->intf, NULL); |
| 1505 | |
| 1506 | if (data->isoc) |
| 1507 | usb_set_intfdata(data->isoc, NULL); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1508 | |
| 1509 | hci_unregister_dev(hdev); |
| 1510 | |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 1511 | if (intf == data->isoc) |
| 1512 | usb_driver_release_interface(&btusb_driver, data->intf); |
| 1513 | else if (data->isoc) |
| 1514 | usb_driver_release_interface(&btusb_driver, data->isoc); |
| 1515 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1516 | hci_free_dev(hdev); |
| 1517 | } |
| 1518 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1519 | #ifdef CONFIG_PM |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1520 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
| 1521 | { |
| 1522 | struct btusb_data *data = usb_get_intfdata(intf); |
| 1523 | |
| 1524 | BT_DBG("intf %p", intf); |
| 1525 | |
| 1526 | if (data->suspend_count++) |
| 1527 | return 0; |
| 1528 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1529 | spin_lock_irq(&data->txlock); |
Alan Stern | 5b1b0b8 | 2011-08-19 23:49:48 +0200 | [diff] [blame] | 1530 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1531 | set_bit(BTUSB_SUSPENDING, &data->flags); |
| 1532 | spin_unlock_irq(&data->txlock); |
| 1533 | } else { |
| 1534 | spin_unlock_irq(&data->txlock); |
| 1535 | data->suspend_count--; |
| 1536 | return -EBUSY; |
| 1537 | } |
| 1538 | |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1539 | cancel_work_sync(&data->work); |
| 1540 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1541 | btusb_stop_traffic(data); |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1542 | usb_kill_anchored_urbs(&data->tx_anchor); |
| 1543 | |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1544 | return 0; |
| 1545 | } |
| 1546 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1547 | static void play_deferred(struct btusb_data *data) |
| 1548 | { |
| 1549 | struct urb *urb; |
| 1550 | int err; |
| 1551 | |
| 1552 | while ((urb = usb_get_from_anchor(&data->deferred))) { |
| 1553 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 1554 | if (err < 0) |
| 1555 | break; |
| 1556 | |
| 1557 | data->tx_in_flight++; |
| 1558 | } |
| 1559 | usb_scuttle_anchored_urbs(&data->deferred); |
| 1560 | } |
| 1561 | |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1562 | static int btusb_resume(struct usb_interface *intf) |
| 1563 | { |
| 1564 | struct btusb_data *data = usb_get_intfdata(intf); |
| 1565 | struct hci_dev *hdev = data->hdev; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1566 | int err = 0; |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1567 | |
| 1568 | BT_DBG("intf %p", intf); |
| 1569 | |
| 1570 | if (--data->suspend_count) |
| 1571 | return 0; |
| 1572 | |
| 1573 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1574 | goto done; |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1575 | |
| 1576 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { |
| 1577 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); |
| 1578 | if (err < 0) { |
| 1579 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1580 | goto failed; |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1581 | } |
| 1582 | } |
| 1583 | |
| 1584 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 1585 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
| 1586 | if (err < 0) { |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1587 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1588 | goto failed; |
| 1589 | } |
| 1590 | |
| 1591 | btusb_submit_bulk_urb(hdev, GFP_NOIO); |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1592 | } |
| 1593 | |
| 1594 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { |
| 1595 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) |
| 1596 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 1597 | else |
| 1598 | btusb_submit_isoc_urb(hdev, GFP_NOIO); |
| 1599 | } |
| 1600 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1601 | spin_lock_irq(&data->txlock); |
| 1602 | play_deferred(data); |
| 1603 | clear_bit(BTUSB_SUSPENDING, &data->flags); |
| 1604 | spin_unlock_irq(&data->txlock); |
| 1605 | schedule_work(&data->work); |
| 1606 | |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1607 | return 0; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1608 | |
| 1609 | failed: |
| 1610 | usb_scuttle_anchored_urbs(&data->deferred); |
| 1611 | done: |
| 1612 | spin_lock_irq(&data->txlock); |
| 1613 | clear_bit(BTUSB_SUSPENDING, &data->flags); |
| 1614 | spin_unlock_irq(&data->txlock); |
| 1615 | |
| 1616 | return err; |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1617 | } |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1618 | #endif |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1619 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1620 | static struct usb_driver btusb_driver = { |
| 1621 | .name = "btusb", |
| 1622 | .probe = btusb_probe, |
| 1623 | .disconnect = btusb_disconnect, |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1624 | #ifdef CONFIG_PM |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1625 | .suspend = btusb_suspend, |
| 1626 | .resume = btusb_resume, |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1627 | #endif |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1628 | .id_table = btusb_table, |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1629 | .supports_autosuspend = 1, |
Sarah Sharp | e1f12eb | 2012-04-23 10:08:51 -0700 | [diff] [blame] | 1630 | .disable_hub_initiated_lpm = 1, |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1631 | }; |
| 1632 | |
Greg Kroah-Hartman | 93f1508 | 2011-11-18 09:47:34 -0800 | [diff] [blame] | 1633 | module_usb_driver(btusb_driver); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1634 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1635 | module_param(ignore_dga, bool, 0644); |
| 1636 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); |
| 1637 | |
| 1638 | module_param(ignore_csr, bool, 0644); |
| 1639 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); |
| 1640 | |
| 1641 | module_param(ignore_sniffer, bool, 0644); |
| 1642 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); |
| 1643 | |
| 1644 | module_param(disable_scofix, bool, 0644); |
| 1645 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); |
| 1646 | |
| 1647 | module_param(force_scofix, bool, 0644); |
| 1648 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); |
| 1649 | |
| 1650 | module_param(reset, bool, 0644); |
| 1651 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); |
| 1652 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1653 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
| 1654 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); |
| 1655 | MODULE_VERSION(VERSION); |
| 1656 | MODULE_LICENSE("GPL"); |