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 |
Petri Gynther | 10d4c67 | 2014-05-08 15:50:01 -0700 | [diff] [blame] | 52 | #define BTUSB_BCM_PATCHRAM 0x200 |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 53 | |
Marcel Holtmann | 5426520 | 2013-10-11 07:46:18 -0700 | [diff] [blame] | 54 | static const struct usb_device_id btusb_table[] = { |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 55 | /* Generic Bluetooth USB device */ |
| 56 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, |
| 57 | |
Henrik Rydberg | 1fa6535 | 2012-08-25 19:28:06 +0200 | [diff] [blame] | 58 | /* Apple-specific (Broadcom) devices */ |
| 59 | { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) }, |
| 60 | |
Cho, Yu-Chen | 178c059 | 2013-06-04 21:40:26 +0800 | [diff] [blame] | 61 | /* MediaTek MT76x0E */ |
| 62 | { USB_DEVICE(0x0e8d, 0x763f) }, |
| 63 | |
Oliver Neukum | c510eae | 2011-09-21 11:41:45 +0200 | [diff] [blame] | 64 | /* Broadcom SoftSailing reporting vendor specific */ |
Don Zickus | 2e8b5063 | 2012-03-28 16:41:11 -0400 | [diff] [blame] | 65 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
Oliver Neukum | c510eae | 2011-09-21 11:41:45 +0200 | [diff] [blame] | 66 | |
Nobuhiro Iwamatsu | 3cd0197 | 2010-08-20 16:24:07 +0900 | [diff] [blame] | 67 | /* Apple MacBookPro 7,1 */ |
| 68 | { USB_DEVICE(0x05ac, 0x8213) }, |
| 69 | |
Cyril Lacoux | 0a79f67 | 2010-07-14 10:29:27 +0400 | [diff] [blame] | 70 | /* Apple iMac11,1 */ |
| 71 | { USB_DEVICE(0x05ac, 0x8215) }, |
| 72 | |
Nobuhiro Iwamatsu | 9c04715 | 2010-08-20 16:24:06 +0900 | [diff] [blame] | 73 | /* Apple MacBookPro6,2 */ |
| 74 | { USB_DEVICE(0x05ac, 0x8218) }, |
| 75 | |
Edgar (gimli) Hucek | 3e3ede7 | 2010-11-04 08:04:33 +0100 | [diff] [blame] | 76 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
| 77 | { USB_DEVICE(0x05ac, 0x821b) }, |
| 78 | |
Pieter-Augustijn Van Malleghem | a63b723 | 2011-09-07 02:28:10 -0400 | [diff] [blame] | 79 | /* Apple MacBookAir4,1 */ |
| 80 | { USB_DEVICE(0x05ac, 0x821f) }, |
| 81 | |
Marc-Antoine Perennou | 88d377b | 2011-03-24 14:51:21 -0300 | [diff] [blame] | 82 | /* Apple MacBookPro8,2 */ |
| 83 | { USB_DEVICE(0x05ac, 0x821a) }, |
| 84 | |
Jurgen Kramer | f78b6826 | 2011-09-04 18:01:42 +0200 | [diff] [blame] | 85 | /* Apple MacMini5,1 */ |
| 86 | { USB_DEVICE(0x05ac, 0x8281) }, |
| 87 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 88 | /* AVM BlueFRITZ! USB v2.0 */ |
| 89 | { USB_DEVICE(0x057c, 0x3800) }, |
| 90 | |
| 91 | /* Bluetooth Ultraport Module from IBM */ |
| 92 | { USB_DEVICE(0x04bf, 0x030a) }, |
| 93 | |
| 94 | /* ALPS Modules with non-standard id */ |
| 95 | { USB_DEVICE(0x044e, 0x3001) }, |
| 96 | { USB_DEVICE(0x044e, 0x3002) }, |
| 97 | |
| 98 | /* Ericsson with non-standard id */ |
| 99 | { USB_DEVICE(0x0bdb, 0x1002) }, |
| 100 | |
| 101 | /* Canyon CN-BTU1 with HID interfaces */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 102 | { USB_DEVICE(0x0c10, 0x0000) }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 103 | |
Wen-chien Jesse Sung | d13431c | 2011-11-08 14:30:22 +0800 | [diff] [blame] | 104 | /* Broadcom BCM20702A0 */ |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 105 | { USB_DEVICE(0x0489, 0xe042) }, |
| 106 | { USB_DEVICE(0x04ca, 0x2003) }, |
Jeff Cook | 1ee3ff6 | 2012-11-09 16:39:48 -0700 | [diff] [blame] | 107 | { USB_DEVICE(0x0b05, 0x17b5) }, |
Raphael Kubo da Costa | 38a172b | 2013-09-02 14:57:51 +0300 | [diff] [blame] | 108 | { USB_DEVICE(0x0b05, 0x17cb) }, |
Wen-chien Jesse Sung | d13431c | 2011-11-08 14:30:22 +0800 | [diff] [blame] | 109 | { USB_DEVICE(0x413c, 0x8197) }, |
| 110 | |
Steven Harms | 9851403 | 2012-04-13 14:45:55 -0400 | [diff] [blame] | 111 | /* Foxconn - Hon Hai */ |
Gustavo Padovan | ee66401 | 2012-08-15 01:38:11 -0300 | [diff] [blame] | 112 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01) }, |
Steven Harms | 9851403 | 2012-04-13 14:45:55 -0400 | [diff] [blame] | 113 | |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 114 | /* Broadcom devices with vendor specific id */ |
Petri Gynther | 10d4c67 | 2014-05-08 15:50:01 -0700 | [diff] [blame] | 115 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01), |
| 116 | .driver_info = BTUSB_BCM_PATCHRAM }, |
Gustavo Padovan | 92c385f | 2012-08-06 15:36:49 -0300 | [diff] [blame] | 117 | |
Ken O'Brien | 5bcecf3 | 2013-09-21 19:14:43 +0100 | [diff] [blame] | 118 | /* Belkin F8065bf - Broadcom based */ |
| 119 | { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01) }, |
| 120 | |
Jurgen Kramer | 9113bfd | 2014-02-15 12:01:09 +0100 | [diff] [blame] | 121 | /* IMC Networks - Broadcom based */ |
| 122 | { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01) }, |
| 123 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 124 | { } /* Terminating entry */ |
| 125 | }; |
| 126 | |
| 127 | MODULE_DEVICE_TABLE(usb, btusb_table); |
| 128 | |
Marcel Holtmann | 5426520 | 2013-10-11 07:46:18 -0700 | [diff] [blame] | 129 | static const struct usb_device_id blacklist_table[] = { |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 130 | /* CSR BlueCore devices */ |
| 131 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, |
| 132 | |
| 133 | /* Broadcom BCM2033 without firmware */ |
| 134 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, |
| 135 | |
Bala Shanmugam | be93112 | 2010-11-26 17:35:46 +0530 | [diff] [blame] | 136 | /* Atheros 3011 with sflash firmware */ |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 137 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
| 138 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, |
| 139 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
Bala Shanmugam | be93112 | 2010-11-26 17:35:46 +0530 | [diff] [blame] | 140 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, |
Marek Vasut | 6eda541 | 2012-06-08 14:32:50 +0200 | [diff] [blame] | 141 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
Andy Ross | 2a7bccc | 2011-05-09 16:11:16 -0700 | [diff] [blame] | 142 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
Bala Shanmugam | be93112 | 2010-11-26 17:35:46 +0530 | [diff] [blame] | 143 | |
Cho, Yu-Chen | 509e786 | 2011-01-26 17:10:59 +0800 | [diff] [blame] | 144 | /* Atheros AR9285 Malbec with sflash firmware */ |
| 145 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, |
| 146 | |
Bala Shanmugam | d9f51b5 | 2011-02-11 15:38:53 +0530 | [diff] [blame] | 147 | /* Atheros 3012 with sflash firmware */ |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 148 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
| 149 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, |
| 150 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, |
| 151 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, |
| 152 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, |
| 153 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
| 154 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, |
| 155 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, |
| 156 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, |
Mohammed Habibulla | 1fb4e09 | 2014-04-17 11:37:13 -0700 | [diff] [blame] | 157 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 158 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
| 159 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, |
| 160 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
| 161 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, |
Andy Shevchenko | a735f9e | 2014-02-18 18:26:20 +0200 | [diff] [blame] | 162 | { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, |
Ming Lei | d66629c | 2013-03-15 11:00:39 +0800 | [diff] [blame] | 163 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
Steven.Li | 2d25f8b | 2011-07-01 14:02:36 +0800 | [diff] [blame] | 164 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
Peng Chen | ca58e59 | 2013-08-30 17:09:52 +0800 | [diff] [blame] | 165 | { USB_DEVICE(0x0cf3, 0x3005), .driver_info = BTUSB_ATH3012 }, |
Sunguk Lee | 94a32d10 | 2013-03-12 04:41:58 +0900 | [diff] [blame] | 166 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
Cho, Yu-Chen | 07c0ea8 | 2012-03-14 22:01:21 +0200 | [diff] [blame] | 167 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
Oliver Neukum | b131237 | 2014-01-16 15:37:11 +0100 | [diff] [blame] | 168 | { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, |
Oliver Neukum | 1e56f1e | 2014-01-16 16:02:58 +0100 | [diff] [blame] | 169 | { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 170 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
Ming Lei | ebaf579 | 2013-03-18 23:45:11 +0800 | [diff] [blame] | 171 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 172 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
AceLan Kao | ac71311 | 2012-04-19 14:53:45 +0800 | [diff] [blame] | 173 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
Peng Chen | 0a3658c | 2013-08-30 17:41:40 +0800 | [diff] [blame] | 174 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 175 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
| 176 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, |
AceLan Kao | eed307e | 2012-12-11 11:41:20 +0800 | [diff] [blame] | 177 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
Sujith Manoharan | 5b77a1f | 2013-07-15 09:29:03 +0530 | [diff] [blame] | 178 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
Bala Shanmugam | d9f51b5 | 2011-02-11 15:38:53 +0530 | [diff] [blame] | 179 | |
Cho, Yu-Chen | e9036e3 | 2011-02-15 10:20:07 +0800 | [diff] [blame] | 180 | /* Atheros AR5BBU12 with sflash firmware */ |
| 181 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, |
| 182 | |
Michael Gruetzner | 85d5972 | 2012-05-02 22:33:40 +0200 | [diff] [blame] | 183 | /* Atheros AR5BBU12 with sflash firmware */ |
Yevgeniy Melnichuk | bc21fde | 2012-08-07 19:48:10 +0530 | [diff] [blame] | 184 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 185 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, |
Michael Gruetzner | 85d5972 | 2012-05-02 22:33:40 +0200 | [diff] [blame] | 186 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 187 | /* Broadcom BCM2035 */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 188 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 189 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 190 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 191 | |
| 192 | /* Broadcom BCM2045 */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 193 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 194 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | bdbef3d | 2008-09-23 00:16:35 +0200 | [diff] [blame] | 195 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 196 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 197 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 198 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 199 | |
| 200 | /* HP laptop with Broadcom chip */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 201 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 202 | |
| 203 | /* Dell laptop with Broadcom chip */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 204 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 205 | |
Marcel Holtmann | 5ddd4a6 | 2008-11-30 12:17:27 +0100 | [diff] [blame] | 206 | /* Dell Wireless 370 and 410 devices */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 207 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | 5ddd4a6 | 2008-11-30 12:17:27 +0100 | [diff] [blame] | 208 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 209 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 210 | /* Belkin F8T012 and F8T013 devices */ |
| 211 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 212 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 213 | |
Marcel Holtmann | 5ddd4a6 | 2008-11-30 12:17:27 +0100 | [diff] [blame] | 214 | /* Asus WL-BTD202 device */ |
| 215 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 216 | |
| 217 | /* Kensington Bluetooth USB adapter */ |
| 218 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 219 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 220 | /* RTX Telecom based adapters with buggy SCO support */ |
| 221 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, |
| 222 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, |
| 223 | |
| 224 | /* CONWISE Technology based adapters with buggy SCO support */ |
| 225 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, |
| 226 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 227 | /* Digianswer devices */ |
| 228 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, |
| 229 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, |
| 230 | |
| 231 | /* CSR BlueCore Bluetooth Sniffer */ |
| 232 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, |
| 233 | |
| 234 | /* Frontline ComProbe Bluetooth Sniffer */ |
| 235 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, |
| 236 | |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 237 | /* Intel Bluetooth device */ |
| 238 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, |
Tedd Ho-Jeong An | ef4e5e4 | 2013-11-12 13:10:58 -0800 | [diff] [blame] | 239 | { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL }, |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 240 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 241 | { } /* Terminating entry */ |
| 242 | }; |
| 243 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 244 | #define BTUSB_MAX_ISOC_FRAMES 10 |
| 245 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 246 | #define BTUSB_INTR_RUNNING 0 |
| 247 | #define BTUSB_BULK_RUNNING 1 |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 248 | #define BTUSB_ISOC_RUNNING 2 |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 249 | #define BTUSB_SUSPENDING 3 |
Gustavo F. Padovan | 08b8b6c | 2010-07-16 17:20:33 -0300 | [diff] [blame] | 250 | #define BTUSB_DID_ISO_RESUME 4 |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 251 | |
| 252 | struct btusb_data { |
| 253 | struct hci_dev *hdev; |
| 254 | struct usb_device *udev; |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 255 | struct usb_interface *intf; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 256 | struct usb_interface *isoc; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 257 | |
| 258 | spinlock_t lock; |
| 259 | |
| 260 | unsigned long flags; |
| 261 | |
| 262 | struct work_struct work; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 263 | struct work_struct waker; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 264 | |
| 265 | struct usb_anchor tx_anchor; |
| 266 | struct usb_anchor intr_anchor; |
| 267 | struct usb_anchor bulk_anchor; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 268 | struct usb_anchor isoc_anchor; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 269 | struct usb_anchor deferred; |
| 270 | int tx_in_flight; |
| 271 | spinlock_t txlock; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 272 | |
| 273 | struct usb_endpoint_descriptor *intr_ep; |
| 274 | struct usb_endpoint_descriptor *bulk_tx_ep; |
| 275 | struct usb_endpoint_descriptor *bulk_rx_ep; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 276 | struct usb_endpoint_descriptor *isoc_tx_ep; |
| 277 | struct usb_endpoint_descriptor *isoc_rx_ep; |
| 278 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 279 | __u8 cmdreq_type; |
| 280 | |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 281 | unsigned int sco_num; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 282 | int isoc_altsetting; |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 283 | int suspend_count; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 284 | }; |
| 285 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 286 | static int inc_tx(struct btusb_data *data) |
| 287 | { |
| 288 | unsigned long flags; |
| 289 | int rv; |
| 290 | |
| 291 | spin_lock_irqsave(&data->txlock, flags); |
| 292 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); |
| 293 | if (!rv) |
| 294 | data->tx_in_flight++; |
| 295 | spin_unlock_irqrestore(&data->txlock, flags); |
| 296 | |
| 297 | return rv; |
| 298 | } |
| 299 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 300 | static void btusb_intr_complete(struct urb *urb) |
| 301 | { |
| 302 | struct hci_dev *hdev = urb->context; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 303 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 304 | int err; |
| 305 | |
| 306 | BT_DBG("%s urb %p status %d count %d", hdev->name, |
| 307 | urb, urb->status, urb->actual_length); |
| 308 | |
| 309 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 310 | return; |
| 311 | |
| 312 | if (urb->status == 0) { |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 313 | hdev->stat.byte_rx += urb->actual_length; |
| 314 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 315 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
| 316 | urb->transfer_buffer, |
| 317 | urb->actual_length) < 0) { |
| 318 | BT_ERR("%s corrupted event packet", hdev->name); |
| 319 | hdev->stat.err_rx++; |
| 320 | } |
| 321 | } |
| 322 | |
| 323 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) |
| 324 | return; |
| 325 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 326 | usb_mark_last_busy(data->udev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 327 | usb_anchor_urb(urb, &data->intr_anchor); |
| 328 | |
| 329 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 330 | if (err < 0) { |
Paul Bolle | 4935f1c | 2011-08-09 17:16:28 +0200 | [diff] [blame] | 331 | /* -EPERM: urb is being killed; |
| 332 | * -ENODEV: device got disconnected */ |
| 333 | if (err != -EPERM && err != -ENODEV) |
Stefan Seyfried | 61faddf | 2010-11-30 21:49:08 +0100 | [diff] [blame] | 334 | BT_ERR("%s urb %p failed to resubmit (%d)", |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 335 | hdev->name, urb, -err); |
| 336 | usb_unanchor_urb(urb); |
| 337 | } |
| 338 | } |
| 339 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 340 | 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] | 341 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 342 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 343 | struct urb *urb; |
| 344 | unsigned char *buf; |
| 345 | unsigned int pipe; |
| 346 | int err, size; |
| 347 | |
| 348 | BT_DBG("%s", hdev->name); |
| 349 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 350 | if (!data->intr_ep) |
| 351 | return -ENODEV; |
| 352 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 353 | urb = usb_alloc_urb(0, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 354 | if (!urb) |
| 355 | return -ENOMEM; |
| 356 | |
| 357 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); |
| 358 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 359 | buf = kmalloc(size, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 360 | if (!buf) { |
| 361 | usb_free_urb(urb); |
| 362 | return -ENOMEM; |
| 363 | } |
| 364 | |
| 365 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); |
| 366 | |
| 367 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, |
| 368 | btusb_intr_complete, hdev, |
| 369 | data->intr_ep->bInterval); |
| 370 | |
| 371 | urb->transfer_flags |= URB_FREE_BUFFER; |
| 372 | |
| 373 | usb_anchor_urb(urb, &data->intr_anchor); |
| 374 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 375 | err = usb_submit_urb(urb, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 376 | if (err < 0) { |
Paul Bolle | d4b8d1c | 2011-10-09 12:12:22 +0200 | [diff] [blame] | 377 | if (err != -EPERM && err != -ENODEV) |
| 378 | BT_ERR("%s urb %p submission failed (%d)", |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 379 | hdev->name, urb, -err); |
| 380 | usb_unanchor_urb(urb); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 381 | } |
| 382 | |
| 383 | usb_free_urb(urb); |
| 384 | |
| 385 | return err; |
| 386 | } |
| 387 | |
| 388 | static void btusb_bulk_complete(struct urb *urb) |
| 389 | { |
| 390 | struct hci_dev *hdev = urb->context; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 391 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 392 | int err; |
| 393 | |
| 394 | BT_DBG("%s urb %p status %d count %d", hdev->name, |
| 395 | urb, urb->status, urb->actual_length); |
| 396 | |
| 397 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 398 | return; |
| 399 | |
| 400 | if (urb->status == 0) { |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 401 | hdev->stat.byte_rx += urb->actual_length; |
| 402 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 403 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
| 404 | urb->transfer_buffer, |
| 405 | urb->actual_length) < 0) { |
| 406 | BT_ERR("%s corrupted ACL packet", hdev->name); |
| 407 | hdev->stat.err_rx++; |
| 408 | } |
| 409 | } |
| 410 | |
| 411 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) |
| 412 | return; |
| 413 | |
| 414 | usb_anchor_urb(urb, &data->bulk_anchor); |
Oliver Neukum | 652fd78 | 2009-12-16 19:23:43 +0100 | [diff] [blame] | 415 | usb_mark_last_busy(data->udev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 416 | |
| 417 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 418 | if (err < 0) { |
Paul Bolle | 4935f1c | 2011-08-09 17:16:28 +0200 | [diff] [blame] | 419 | /* -EPERM: urb is being killed; |
| 420 | * -ENODEV: device got disconnected */ |
| 421 | if (err != -EPERM && err != -ENODEV) |
Stefan Seyfried | 61faddf | 2010-11-30 21:49:08 +0100 | [diff] [blame] | 422 | BT_ERR("%s urb %p failed to resubmit (%d)", |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 423 | hdev->name, urb, -err); |
| 424 | usb_unanchor_urb(urb); |
| 425 | } |
| 426 | } |
| 427 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 428 | 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] | 429 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 430 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 431 | struct urb *urb; |
| 432 | unsigned char *buf; |
| 433 | unsigned int pipe; |
Vikram Kandukuri | 290ba20 | 2009-07-02 14:31:59 +0530 | [diff] [blame] | 434 | int err, size = HCI_MAX_FRAME_SIZE; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 435 | |
| 436 | BT_DBG("%s", hdev->name); |
| 437 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 438 | if (!data->bulk_rx_ep) |
| 439 | return -ENODEV; |
| 440 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 441 | urb = usb_alloc_urb(0, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 442 | if (!urb) |
| 443 | return -ENOMEM; |
| 444 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 445 | buf = kmalloc(size, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 446 | if (!buf) { |
| 447 | usb_free_urb(urb); |
| 448 | return -ENOMEM; |
| 449 | } |
| 450 | |
| 451 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); |
| 452 | |
| 453 | usb_fill_bulk_urb(urb, data->udev, pipe, |
| 454 | buf, size, btusb_bulk_complete, hdev); |
| 455 | |
| 456 | urb->transfer_flags |= URB_FREE_BUFFER; |
| 457 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 458 | usb_mark_last_busy(data->udev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 459 | usb_anchor_urb(urb, &data->bulk_anchor); |
| 460 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 461 | err = usb_submit_urb(urb, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 462 | if (err < 0) { |
Paul Bolle | d4b8d1c | 2011-10-09 12:12:22 +0200 | [diff] [blame] | 463 | if (err != -EPERM && err != -ENODEV) |
| 464 | BT_ERR("%s urb %p submission failed (%d)", |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 465 | hdev->name, urb, -err); |
| 466 | usb_unanchor_urb(urb); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 467 | } |
| 468 | |
| 469 | usb_free_urb(urb); |
| 470 | |
| 471 | return err; |
| 472 | } |
| 473 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 474 | static void btusb_isoc_complete(struct urb *urb) |
| 475 | { |
| 476 | struct hci_dev *hdev = urb->context; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 477 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 478 | int i, err; |
| 479 | |
| 480 | BT_DBG("%s urb %p status %d count %d", hdev->name, |
| 481 | urb, urb->status, urb->actual_length); |
| 482 | |
| 483 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 484 | return; |
| 485 | |
| 486 | if (urb->status == 0) { |
| 487 | for (i = 0; i < urb->number_of_packets; i++) { |
| 488 | unsigned int offset = urb->iso_frame_desc[i].offset; |
| 489 | unsigned int length = urb->iso_frame_desc[i].actual_length; |
| 490 | |
| 491 | if (urb->iso_frame_desc[i].status) |
| 492 | continue; |
| 493 | |
| 494 | hdev->stat.byte_rx += length; |
| 495 | |
| 496 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, |
| 497 | urb->transfer_buffer + offset, |
| 498 | length) < 0) { |
| 499 | BT_ERR("%s corrupted SCO packet", hdev->name); |
| 500 | hdev->stat.err_rx++; |
| 501 | } |
| 502 | } |
| 503 | } |
| 504 | |
| 505 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) |
| 506 | return; |
| 507 | |
| 508 | usb_anchor_urb(urb, &data->isoc_anchor); |
| 509 | |
| 510 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 511 | if (err < 0) { |
Paul Bolle | 4935f1c | 2011-08-09 17:16:28 +0200 | [diff] [blame] | 512 | /* -EPERM: urb is being killed; |
| 513 | * -ENODEV: device got disconnected */ |
| 514 | if (err != -EPERM && err != -ENODEV) |
Stefan Seyfried | 61faddf | 2010-11-30 21:49:08 +0100 | [diff] [blame] | 515 | BT_ERR("%s urb %p failed to resubmit (%d)", |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 516 | hdev->name, urb, -err); |
| 517 | usb_unanchor_urb(urb); |
| 518 | } |
| 519 | } |
| 520 | |
Jesper Juhl | 42b16b3 | 2011-01-17 00:09:38 +0100 | [diff] [blame] | 521 | 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] | 522 | { |
| 523 | int i, offset = 0; |
| 524 | |
| 525 | BT_DBG("len %d mtu %d", len, mtu); |
| 526 | |
| 527 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; |
| 528 | i++, offset += mtu, len -= mtu) { |
| 529 | urb->iso_frame_desc[i].offset = offset; |
| 530 | urb->iso_frame_desc[i].length = mtu; |
| 531 | } |
| 532 | |
| 533 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { |
| 534 | urb->iso_frame_desc[i].offset = offset; |
| 535 | urb->iso_frame_desc[i].length = len; |
| 536 | i++; |
| 537 | } |
| 538 | |
| 539 | urb->number_of_packets = i; |
| 540 | } |
| 541 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 542 | 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] | 543 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 544 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 545 | struct urb *urb; |
| 546 | unsigned char *buf; |
| 547 | unsigned int pipe; |
| 548 | int err, size; |
| 549 | |
| 550 | BT_DBG("%s", hdev->name); |
| 551 | |
| 552 | if (!data->isoc_rx_ep) |
| 553 | return -ENODEV; |
| 554 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 555 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 556 | if (!urb) |
| 557 | return -ENOMEM; |
| 558 | |
| 559 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * |
| 560 | BTUSB_MAX_ISOC_FRAMES; |
| 561 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 562 | buf = kmalloc(size, mem_flags); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 563 | if (!buf) { |
| 564 | usb_free_urb(urb); |
| 565 | return -ENOMEM; |
| 566 | } |
| 567 | |
| 568 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); |
| 569 | |
Bing Zhao | fa0fb93 | 2011-12-20 18:19:00 -0800 | [diff] [blame] | 570 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
| 571 | hdev, data->isoc_rx_ep->bInterval); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 572 | |
| 573 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 574 | |
| 575 | __fill_isoc_descriptor(urb, size, |
| 576 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); |
| 577 | |
| 578 | usb_anchor_urb(urb, &data->isoc_anchor); |
| 579 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 580 | err = usb_submit_urb(urb, mem_flags); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 581 | if (err < 0) { |
Paul Bolle | d4b8d1c | 2011-10-09 12:12:22 +0200 | [diff] [blame] | 582 | if (err != -EPERM && err != -ENODEV) |
| 583 | BT_ERR("%s urb %p submission failed (%d)", |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 584 | hdev->name, urb, -err); |
| 585 | usb_unanchor_urb(urb); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 586 | } |
| 587 | |
| 588 | usb_free_urb(urb); |
| 589 | |
| 590 | return err; |
| 591 | } |
| 592 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 593 | static void btusb_tx_complete(struct urb *urb) |
| 594 | { |
| 595 | struct sk_buff *skb = urb->context; |
| 596 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 597 | struct btusb_data *data = hci_get_drvdata(hdev); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 598 | |
| 599 | BT_DBG("%s urb %p status %d count %d", hdev->name, |
| 600 | urb, urb->status, urb->actual_length); |
| 601 | |
| 602 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 603 | goto done; |
| 604 | |
| 605 | if (!urb->status) |
| 606 | hdev->stat.byte_tx += urb->transfer_buffer_length; |
| 607 | else |
| 608 | hdev->stat.err_tx++; |
| 609 | |
| 610 | done: |
| 611 | spin_lock(&data->txlock); |
| 612 | data->tx_in_flight--; |
| 613 | spin_unlock(&data->txlock); |
| 614 | |
| 615 | kfree(urb->setup_packet); |
| 616 | |
| 617 | kfree_skb(skb); |
| 618 | } |
| 619 | |
| 620 | static void btusb_isoc_tx_complete(struct urb *urb) |
| 621 | { |
| 622 | struct sk_buff *skb = urb->context; |
| 623 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 624 | |
| 625 | BT_DBG("%s urb %p status %d count %d", hdev->name, |
| 626 | urb, urb->status, urb->actual_length); |
| 627 | |
| 628 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 629 | goto done; |
| 630 | |
| 631 | if (!urb->status) |
| 632 | hdev->stat.byte_tx += urb->transfer_buffer_length; |
| 633 | else |
| 634 | hdev->stat.err_tx++; |
| 635 | |
| 636 | done: |
| 637 | kfree(urb->setup_packet); |
| 638 | |
| 639 | kfree_skb(skb); |
| 640 | } |
| 641 | |
| 642 | static int btusb_open(struct hci_dev *hdev) |
| 643 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 644 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 645 | int err; |
| 646 | |
| 647 | BT_DBG("%s", hdev->name); |
| 648 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 649 | err = usb_autopm_get_interface(data->intf); |
| 650 | if (err < 0) |
| 651 | return err; |
| 652 | |
| 653 | data->intf->needs_remote_wakeup = 1; |
| 654 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 655 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 656 | goto done; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 657 | |
| 658 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 659 | goto done; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 660 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 661 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 662 | if (err < 0) |
| 663 | goto failed; |
| 664 | |
| 665 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 666 | if (err < 0) { |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 667 | usb_kill_anchored_urbs(&data->intr_anchor); |
| 668 | goto failed; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 669 | } |
| 670 | |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 671 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
| 672 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); |
| 673 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 674 | done: |
| 675 | usb_autopm_put_interface(data->intf); |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 676 | return 0; |
| 677 | |
| 678 | failed: |
| 679 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
| 680 | clear_bit(HCI_RUNNING, &hdev->flags); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 681 | usb_autopm_put_interface(data->intf); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 682 | return err; |
| 683 | } |
| 684 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 685 | static void btusb_stop_traffic(struct btusb_data *data) |
| 686 | { |
| 687 | usb_kill_anchored_urbs(&data->intr_anchor); |
| 688 | usb_kill_anchored_urbs(&data->bulk_anchor); |
| 689 | usb_kill_anchored_urbs(&data->isoc_anchor); |
| 690 | } |
| 691 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 692 | static int btusb_close(struct hci_dev *hdev) |
| 693 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 694 | struct btusb_data *data = hci_get_drvdata(hdev); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 695 | int err; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 696 | |
| 697 | BT_DBG("%s", hdev->name); |
| 698 | |
| 699 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) |
| 700 | return 0; |
| 701 | |
Marcel Holtmann | e8c3c3d | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 702 | cancel_work_sync(&data->work); |
Linus Torvalds | 404291a | 2009-11-11 13:32:29 -0800 | [diff] [blame] | 703 | cancel_work_sync(&data->waker); |
Marcel Holtmann | e8c3c3d | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 704 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 705 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 706 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 707 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 708 | |
| 709 | btusb_stop_traffic(data); |
| 710 | err = usb_autopm_get_interface(data->intf); |
| 711 | if (err < 0) |
Oliver Neukum | 7b8e2c1 | 2009-11-13 14:26:23 +0100 | [diff] [blame] | 712 | goto failed; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 713 | |
| 714 | data->intf->needs_remote_wakeup = 0; |
| 715 | usb_autopm_put_interface(data->intf); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 716 | |
Oliver Neukum | 7b8e2c1 | 2009-11-13 14:26:23 +0100 | [diff] [blame] | 717 | failed: |
| 718 | usb_scuttle_anchored_urbs(&data->deferred); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 719 | return 0; |
| 720 | } |
| 721 | |
| 722 | static int btusb_flush(struct hci_dev *hdev) |
| 723 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 724 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 725 | |
| 726 | BT_DBG("%s", hdev->name); |
| 727 | |
| 728 | usb_kill_anchored_urbs(&data->tx_anchor); |
| 729 | |
| 730 | return 0; |
| 731 | } |
| 732 | |
Marcel Holtmann | 7bd8f09 | 2013-10-11 06:19:18 -0700 | [diff] [blame] | 733 | static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 734 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 735 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 736 | struct usb_ctrlrequest *dr; |
| 737 | struct urb *urb; |
| 738 | unsigned int pipe; |
| 739 | int err; |
| 740 | |
| 741 | BT_DBG("%s", hdev->name); |
| 742 | |
| 743 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 744 | return -EBUSY; |
| 745 | |
Marcel Holtmann | 7bd8f09 | 2013-10-11 06:19:18 -0700 | [diff] [blame] | 746 | skb->dev = (void *) hdev; |
| 747 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 748 | switch (bt_cb(skb)->pkt_type) { |
| 749 | case HCI_COMMAND_PKT: |
| 750 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
| 751 | if (!urb) |
| 752 | return -ENOMEM; |
| 753 | |
| 754 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); |
| 755 | if (!dr) { |
| 756 | usb_free_urb(urb); |
| 757 | return -ENOMEM; |
| 758 | } |
| 759 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 760 | dr->bRequestType = data->cmdreq_type; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 761 | dr->bRequest = 0; |
| 762 | dr->wIndex = 0; |
| 763 | dr->wValue = 0; |
| 764 | dr->wLength = __cpu_to_le16(skb->len); |
| 765 | |
| 766 | pipe = usb_sndctrlpipe(data->udev, 0x00); |
| 767 | |
| 768 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, |
| 769 | skb->data, skb->len, btusb_tx_complete, skb); |
| 770 | |
| 771 | hdev->stat.cmd_tx++; |
| 772 | break; |
| 773 | |
| 774 | case HCI_ACLDATA_PKT: |
Peter Hurley | 9fd481e | 2011-07-14 08:48:32 -0400 | [diff] [blame] | 775 | if (!data->bulk_tx_ep) |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 776 | return -ENODEV; |
| 777 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 778 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
| 779 | if (!urb) |
| 780 | return -ENOMEM; |
| 781 | |
| 782 | pipe = usb_sndbulkpipe(data->udev, |
| 783 | data->bulk_tx_ep->bEndpointAddress); |
| 784 | |
| 785 | usb_fill_bulk_urb(urb, data->udev, pipe, |
| 786 | skb->data, skb->len, btusb_tx_complete, skb); |
| 787 | |
| 788 | hdev->stat.acl_tx++; |
| 789 | break; |
| 790 | |
| 791 | case HCI_SCODATA_PKT: |
Marcel Holtmann | 014f7bc | 2013-10-10 09:47:55 -0700 | [diff] [blame] | 792 | if (!data->isoc_tx_ep || hci_conn_num(hdev, SCO_LINK) < 1) |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 793 | return -ENODEV; |
| 794 | |
| 795 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); |
| 796 | if (!urb) |
| 797 | return -ENOMEM; |
| 798 | |
| 799 | pipe = usb_sndisocpipe(data->udev, |
| 800 | data->isoc_tx_ep->bEndpointAddress); |
| 801 | |
Gustavo F. Padovan | 03c2d0e | 2011-02-14 18:53:43 -0300 | [diff] [blame] | 802 | usb_fill_int_urb(urb, data->udev, pipe, |
| 803 | skb->data, skb->len, btusb_isoc_tx_complete, |
| 804 | skb, data->isoc_tx_ep->bInterval); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 805 | |
| 806 | urb->transfer_flags = URB_ISO_ASAP; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 807 | |
| 808 | __fill_isoc_descriptor(urb, skb->len, |
| 809 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); |
| 810 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 811 | hdev->stat.sco_tx++; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 812 | goto skip_waking; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 813 | |
| 814 | default: |
| 815 | return -EILSEQ; |
| 816 | } |
| 817 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 818 | err = inc_tx(data); |
| 819 | if (err) { |
| 820 | usb_anchor_urb(urb, &data->deferred); |
| 821 | schedule_work(&data->waker); |
| 822 | err = 0; |
| 823 | goto done; |
| 824 | } |
| 825 | |
| 826 | skip_waking: |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 827 | usb_anchor_urb(urb, &data->tx_anchor); |
| 828 | |
| 829 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 830 | if (err < 0) { |
Paul Bolle | 5a9b80e | 2011-10-09 12:12:16 +0200 | [diff] [blame] | 831 | if (err != -EPERM && err != -ENODEV) |
| 832 | BT_ERR("%s urb %p submission failed (%d)", |
| 833 | hdev->name, urb, -err); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 834 | kfree(urb->setup_packet); |
| 835 | usb_unanchor_urb(urb); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 836 | } else { |
| 837 | usb_mark_last_busy(data->udev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 838 | } |
| 839 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 840 | done: |
Cong Wang | 54a8a79 | 2011-11-22 09:32:57 +0800 | [diff] [blame] | 841 | usb_free_urb(urb); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 842 | return err; |
| 843 | } |
| 844 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 845 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
| 846 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 847 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 848 | |
| 849 | BT_DBG("%s evt %d", hdev->name, evt); |
| 850 | |
Marcel Holtmann | 014f7bc | 2013-10-10 09:47:55 -0700 | [diff] [blame] | 851 | if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { |
| 852 | data->sco_num = hci_conn_num(hdev, SCO_LINK); |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 853 | schedule_work(&data->work); |
Marcel Holtmann | a780efa | 2008-11-30 12:17:12 +0100 | [diff] [blame] | 854 | } |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 855 | } |
| 856 | |
Jesper Juhl | 42b16b3 | 2011-01-17 00:09:38 +0100 | [diff] [blame] | 857 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 858 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 859 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 860 | struct usb_interface *intf = data->isoc; |
| 861 | struct usb_endpoint_descriptor *ep_desc; |
| 862 | int i, err; |
| 863 | |
| 864 | if (!data->isoc) |
| 865 | return -ENODEV; |
| 866 | |
| 867 | err = usb_set_interface(data->udev, 1, altsetting); |
| 868 | if (err < 0) { |
| 869 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); |
| 870 | return err; |
| 871 | } |
| 872 | |
| 873 | data->isoc_altsetting = altsetting; |
| 874 | |
| 875 | data->isoc_tx_ep = NULL; |
| 876 | data->isoc_rx_ep = NULL; |
| 877 | |
| 878 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { |
| 879 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; |
| 880 | |
| 881 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { |
| 882 | data->isoc_tx_ep = ep_desc; |
| 883 | continue; |
| 884 | } |
| 885 | |
| 886 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { |
| 887 | data->isoc_rx_ep = ep_desc; |
| 888 | continue; |
| 889 | } |
| 890 | } |
| 891 | |
| 892 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { |
| 893 | BT_ERR("%s invalid SCO descriptors", hdev->name); |
| 894 | return -ENODEV; |
| 895 | } |
| 896 | |
| 897 | return 0; |
| 898 | } |
| 899 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 900 | static void btusb_work(struct work_struct *work) |
| 901 | { |
| 902 | struct btusb_data *data = container_of(work, struct btusb_data, work); |
| 903 | struct hci_dev *hdev = data->hdev; |
Mikel Astiz | f4001d2 | 2012-04-11 08:48:51 +0200 | [diff] [blame] | 904 | int new_alts; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 905 | int err; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 906 | |
Marcel Holtmann | 014f7bc | 2013-10-10 09:47:55 -0700 | [diff] [blame] | 907 | if (data->sco_num > 0) { |
Gustavo F. Padovan | 08b8b6c | 2010-07-16 17:20:33 -0300 | [diff] [blame] | 908 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
Oliver Neukum | 8efdd0c | 2011-02-11 13:00:06 +0100 | [diff] [blame] | 909 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 910 | if (err < 0) { |
| 911 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 912 | usb_kill_anchored_urbs(&data->isoc_anchor); |
| 913 | return; |
| 914 | } |
| 915 | |
Gustavo F. Padovan | 08b8b6c | 2010-07-16 17:20:33 -0300 | [diff] [blame] | 916 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 917 | } |
Mikel Astiz | f4001d2 | 2012-04-11 08:48:51 +0200 | [diff] [blame] | 918 | |
| 919 | if (hdev->voice_setting & 0x0020) { |
| 920 | static const int alts[3] = { 2, 4, 5 }; |
Marcel Holtmann | 014f7bc | 2013-10-10 09:47:55 -0700 | [diff] [blame] | 921 | new_alts = alts[data->sco_num - 1]; |
Mikel Astiz | f4001d2 | 2012-04-11 08:48:51 +0200 | [diff] [blame] | 922 | } else { |
Marcel Holtmann | 014f7bc | 2013-10-10 09:47:55 -0700 | [diff] [blame] | 923 | new_alts = data->sco_num; |
Mikel Astiz | f4001d2 | 2012-04-11 08:48:51 +0200 | [diff] [blame] | 924 | } |
| 925 | |
| 926 | if (data->isoc_altsetting != new_alts) { |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 927 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 928 | usb_kill_anchored_urbs(&data->isoc_anchor); |
| 929 | |
Mikel Astiz | f4001d2 | 2012-04-11 08:48:51 +0200 | [diff] [blame] | 930 | if (__set_isoc_interface(hdev, new_alts) < 0) |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 931 | return; |
| 932 | } |
| 933 | |
| 934 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 935 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 936 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 937 | else |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 938 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 939 | } |
| 940 | } else { |
| 941 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 942 | usb_kill_anchored_urbs(&data->isoc_anchor); |
| 943 | |
| 944 | __set_isoc_interface(hdev, 0); |
Gustavo F. Padovan | 08b8b6c | 2010-07-16 17:20:33 -0300 | [diff] [blame] | 945 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
Oliver Neukum | 8efdd0c | 2011-02-11 13:00:06 +0100 | [diff] [blame] | 946 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 947 | } |
| 948 | } |
| 949 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 950 | static void btusb_waker(struct work_struct *work) |
| 951 | { |
| 952 | struct btusb_data *data = container_of(work, struct btusb_data, waker); |
| 953 | int err; |
| 954 | |
| 955 | err = usb_autopm_get_interface(data->intf); |
| 956 | if (err < 0) |
| 957 | return; |
| 958 | |
| 959 | usb_autopm_put_interface(data->intf); |
| 960 | } |
| 961 | |
Marcel Holtmann | 9f8f962 | 2013-04-10 08:11:35 -0700 | [diff] [blame] | 962 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
| 963 | { |
| 964 | struct sk_buff *skb; |
| 965 | u8 val = 0x00; |
| 966 | |
| 967 | BT_DBG("%s", hdev->name); |
| 968 | |
| 969 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); |
| 970 | if (IS_ERR(skb)) |
| 971 | BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb)); |
| 972 | else |
| 973 | kfree_skb(skb); |
| 974 | |
| 975 | return 0; |
| 976 | } |
| 977 | |
Marcel Holtmann | 81cac64 | 2014-01-03 03:02:36 -0800 | [diff] [blame] | 978 | static int btusb_setup_csr(struct hci_dev *hdev) |
| 979 | { |
| 980 | struct hci_rp_read_local_version *rp; |
| 981 | struct sk_buff *skb; |
| 982 | int ret; |
| 983 | |
| 984 | BT_DBG("%s", hdev->name); |
| 985 | |
| 986 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, |
| 987 | HCI_INIT_TIMEOUT); |
| 988 | if (IS_ERR(skb)) { |
| 989 | BT_ERR("Reading local version failed (%ld)", -PTR_ERR(skb)); |
| 990 | return -PTR_ERR(skb); |
| 991 | } |
| 992 | |
| 993 | rp = (struct hci_rp_read_local_version *) skb->data; |
| 994 | |
| 995 | if (!rp->status) { |
| 996 | if (le16_to_cpu(rp->manufacturer) != 10) { |
| 997 | /* Clear the reset quirk since this is not an actual |
| 998 | * early Bluetooth 1.1 device from CSR. |
| 999 | */ |
| 1000 | clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
| 1001 | |
| 1002 | /* These fake CSR controllers have all a broken |
| 1003 | * stored link key handling and so just disable it. |
| 1004 | */ |
| 1005 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, |
| 1006 | &hdev->quirks); |
| 1007 | } |
| 1008 | } |
| 1009 | |
| 1010 | ret = -bt_to_errno(rp->status); |
| 1011 | |
| 1012 | kfree_skb(skb); |
| 1013 | |
| 1014 | return ret; |
| 1015 | } |
| 1016 | |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1017 | struct intel_version { |
| 1018 | u8 status; |
| 1019 | u8 hw_platform; |
| 1020 | u8 hw_variant; |
| 1021 | u8 hw_revision; |
| 1022 | u8 fw_variant; |
| 1023 | u8 fw_revision; |
| 1024 | u8 fw_build_num; |
| 1025 | u8 fw_build_ww; |
| 1026 | u8 fw_build_yy; |
| 1027 | u8 fw_patch_num; |
| 1028 | } __packed; |
| 1029 | |
| 1030 | static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, |
| 1031 | struct intel_version *ver) |
| 1032 | { |
| 1033 | const struct firmware *fw; |
| 1034 | char fwname[64]; |
| 1035 | int ret; |
| 1036 | |
| 1037 | snprintf(fwname, sizeof(fwname), |
| 1038 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", |
| 1039 | ver->hw_platform, ver->hw_variant, ver->hw_revision, |
| 1040 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, |
| 1041 | ver->fw_build_ww, ver->fw_build_yy); |
| 1042 | |
| 1043 | ret = request_firmware(&fw, fwname, &hdev->dev); |
| 1044 | if (ret < 0) { |
| 1045 | if (ret == -EINVAL) { |
| 1046 | BT_ERR("%s Intel firmware file request failed (%d)", |
| 1047 | hdev->name, ret); |
| 1048 | return NULL; |
| 1049 | } |
| 1050 | |
| 1051 | BT_ERR("%s failed to open Intel firmware file: %s(%d)", |
| 1052 | hdev->name, fwname, ret); |
| 1053 | |
| 1054 | /* If the correct firmware patch file is not found, use the |
| 1055 | * default firmware patch file instead |
| 1056 | */ |
| 1057 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", |
| 1058 | ver->hw_platform, ver->hw_variant); |
| 1059 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { |
| 1060 | BT_ERR("%s failed to open default Intel fw file: %s", |
| 1061 | hdev->name, fwname); |
| 1062 | return NULL; |
| 1063 | } |
| 1064 | } |
| 1065 | |
| 1066 | BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname); |
| 1067 | |
| 1068 | return fw; |
| 1069 | } |
| 1070 | |
| 1071 | static int btusb_setup_intel_patching(struct hci_dev *hdev, |
| 1072 | const struct firmware *fw, |
| 1073 | const u8 **fw_ptr, int *disable_patch) |
| 1074 | { |
| 1075 | struct sk_buff *skb; |
| 1076 | struct hci_command_hdr *cmd; |
| 1077 | const u8 *cmd_param; |
| 1078 | struct hci_event_hdr *evt = NULL; |
| 1079 | const u8 *evt_param = NULL; |
| 1080 | int remain = fw->size - (*fw_ptr - fw->data); |
| 1081 | |
| 1082 | /* The first byte indicates the types of the patch command or event. |
| 1083 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes |
| 1084 | * in the current firmware buffer doesn't start with 0x01 or |
| 1085 | * the size of remain buffer is smaller than HCI command header, |
| 1086 | * the firmware file is corrupted and it should stop the patching |
| 1087 | * process. |
| 1088 | */ |
| 1089 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { |
| 1090 | BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name); |
| 1091 | return -EINVAL; |
| 1092 | } |
| 1093 | (*fw_ptr)++; |
| 1094 | remain--; |
| 1095 | |
| 1096 | cmd = (struct hci_command_hdr *)(*fw_ptr); |
| 1097 | *fw_ptr += sizeof(*cmd); |
| 1098 | remain -= sizeof(*cmd); |
| 1099 | |
| 1100 | /* Ensure that the remain firmware data is long enough than the length |
| 1101 | * of command parameter. If not, the firmware file is corrupted. |
| 1102 | */ |
| 1103 | if (remain < cmd->plen) { |
| 1104 | BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name); |
| 1105 | return -EFAULT; |
| 1106 | } |
| 1107 | |
| 1108 | /* If there is a command that loads a patch in the firmware |
| 1109 | * file, then enable the patch upon success, otherwise just |
| 1110 | * disable the manufacturer mode, for example patch activation |
| 1111 | * is not required when the default firmware patch file is used |
| 1112 | * because there are no patch data to load. |
| 1113 | */ |
| 1114 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) |
| 1115 | *disable_patch = 0; |
| 1116 | |
| 1117 | cmd_param = *fw_ptr; |
| 1118 | *fw_ptr += cmd->plen; |
| 1119 | remain -= cmd->plen; |
| 1120 | |
| 1121 | /* This reads the expected events when the above command is sent to the |
| 1122 | * device. Some vendor commands expects more than one events, for |
| 1123 | * example command status event followed by vendor specific event. |
| 1124 | * For this case, it only keeps the last expected event. so the command |
| 1125 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of |
| 1126 | * last expected event. |
| 1127 | */ |
| 1128 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { |
| 1129 | (*fw_ptr)++; |
| 1130 | remain--; |
| 1131 | |
| 1132 | evt = (struct hci_event_hdr *)(*fw_ptr); |
| 1133 | *fw_ptr += sizeof(*evt); |
| 1134 | remain -= sizeof(*evt); |
| 1135 | |
| 1136 | if (remain < evt->plen) { |
| 1137 | BT_ERR("%s Intel fw corrupted: invalid evt len", |
| 1138 | hdev->name); |
| 1139 | return -EFAULT; |
| 1140 | } |
| 1141 | |
| 1142 | evt_param = *fw_ptr; |
| 1143 | *fw_ptr += evt->plen; |
| 1144 | remain -= evt->plen; |
| 1145 | } |
| 1146 | |
| 1147 | /* Every HCI commands in the firmware file has its correspond event. |
| 1148 | * If event is not found or remain is smaller than zero, the firmware |
| 1149 | * file is corrupted. |
| 1150 | */ |
| 1151 | if (!evt || !evt_param || remain < 0) { |
| 1152 | BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name); |
| 1153 | return -EFAULT; |
| 1154 | } |
| 1155 | |
| 1156 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, |
| 1157 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); |
| 1158 | if (IS_ERR(skb)) { |
| 1159 | BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)", |
| 1160 | hdev->name, cmd->opcode, PTR_ERR(skb)); |
Adam Lee | d9c78e9 | 2013-07-10 10:02:12 +0800 | [diff] [blame] | 1161 | return PTR_ERR(skb); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1162 | } |
| 1163 | |
| 1164 | /* It ensures that the returned event matches the event data read from |
| 1165 | * the firmware file. At fist, it checks the length and then |
| 1166 | * the contents of the event. |
| 1167 | */ |
| 1168 | if (skb->len != evt->plen) { |
| 1169 | BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name, |
| 1170 | le16_to_cpu(cmd->opcode)); |
| 1171 | kfree_skb(skb); |
| 1172 | return -EFAULT; |
| 1173 | } |
| 1174 | |
| 1175 | if (memcmp(skb->data, evt_param, evt->plen)) { |
| 1176 | BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)", |
| 1177 | hdev->name, le16_to_cpu(cmd->opcode)); |
| 1178 | kfree_skb(skb); |
| 1179 | return -EFAULT; |
| 1180 | } |
| 1181 | kfree_skb(skb); |
| 1182 | |
| 1183 | return 0; |
| 1184 | } |
| 1185 | |
| 1186 | static int btusb_setup_intel(struct hci_dev *hdev) |
| 1187 | { |
| 1188 | struct sk_buff *skb; |
| 1189 | const struct firmware *fw; |
| 1190 | const u8 *fw_ptr; |
| 1191 | int disable_patch; |
| 1192 | struct intel_version *ver; |
| 1193 | |
| 1194 | const u8 mfg_enable[] = { 0x01, 0x00 }; |
| 1195 | const u8 mfg_disable[] = { 0x00, 0x00 }; |
| 1196 | const u8 mfg_reset_deactivate[] = { 0x00, 0x01 }; |
| 1197 | const u8 mfg_reset_activate[] = { 0x00, 0x02 }; |
| 1198 | |
| 1199 | BT_DBG("%s", hdev->name); |
| 1200 | |
| 1201 | /* The controller has a bug with the first HCI command sent to it |
| 1202 | * returning number of completed commands as zero. This would stall the |
| 1203 | * command processing in the Bluetooth core. |
| 1204 | * |
| 1205 | * As a workaround, send HCI Reset command first which will reset the |
| 1206 | * number of completed commands and allow normal command processing |
| 1207 | * from now on. |
| 1208 | */ |
| 1209 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); |
| 1210 | if (IS_ERR(skb)) { |
| 1211 | BT_ERR("%s sending initial HCI reset command failed (%ld)", |
| 1212 | hdev->name, PTR_ERR(skb)); |
Adam Lee | d9c78e9 | 2013-07-10 10:02:12 +0800 | [diff] [blame] | 1213 | return PTR_ERR(skb); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1214 | } |
| 1215 | kfree_skb(skb); |
| 1216 | |
| 1217 | /* Read Intel specific controller version first to allow selection of |
| 1218 | * which firmware file to load. |
| 1219 | * |
| 1220 | * The returned information are hardware variant and revision plus |
| 1221 | * firmware variant, revision and build number. |
| 1222 | */ |
| 1223 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); |
| 1224 | if (IS_ERR(skb)) { |
| 1225 | BT_ERR("%s reading Intel fw version command failed (%ld)", |
| 1226 | hdev->name, PTR_ERR(skb)); |
Adam Lee | d9c78e9 | 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->len != sizeof(*ver)) { |
| 1231 | BT_ERR("%s Intel version event length mismatch", hdev->name); |
| 1232 | kfree_skb(skb); |
| 1233 | return -EIO; |
| 1234 | } |
| 1235 | |
| 1236 | ver = (struct intel_version *)skb->data; |
| 1237 | if (ver->status) { |
| 1238 | BT_ERR("%s Intel fw version event failed (%02x)", hdev->name, |
| 1239 | ver->status); |
| 1240 | kfree_skb(skb); |
| 1241 | return -bt_to_errno(ver->status); |
| 1242 | } |
| 1243 | |
| 1244 | BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", |
| 1245 | hdev->name, ver->hw_platform, ver->hw_variant, |
| 1246 | ver->hw_revision, ver->fw_variant, ver->fw_revision, |
| 1247 | ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy, |
| 1248 | ver->fw_patch_num); |
| 1249 | |
| 1250 | /* fw_patch_num indicates the version of patch the device currently |
| 1251 | * have. If there is no patch data in the device, it is always 0x00. |
| 1252 | * So, if it is other than 0x00, no need to patch the deivce again. |
| 1253 | */ |
| 1254 | if (ver->fw_patch_num) { |
| 1255 | BT_INFO("%s: Intel device is already patched. patch num: %02x", |
| 1256 | hdev->name, ver->fw_patch_num); |
| 1257 | kfree_skb(skb); |
| 1258 | return 0; |
| 1259 | } |
| 1260 | |
| 1261 | /* Opens the firmware patch file based on the firmware version read |
| 1262 | * from the controller. If it fails to open the matching firmware |
| 1263 | * patch file, it tries to open the default firmware patch file. |
| 1264 | * If no patch file is found, allow the device to operate without |
| 1265 | * a patch. |
| 1266 | */ |
| 1267 | fw = btusb_setup_intel_get_fw(hdev, ver); |
| 1268 | if (!fw) { |
| 1269 | kfree_skb(skb); |
| 1270 | return 0; |
| 1271 | } |
| 1272 | fw_ptr = fw->data; |
| 1273 | |
| 1274 | /* This Intel specific command enables the manufacturer mode of the |
| 1275 | * controller. |
| 1276 | * |
| 1277 | * Only while this mode is enabled, the driver can download the |
| 1278 | * firmware patch data and configuration parameters. |
| 1279 | */ |
| 1280 | skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT); |
| 1281 | if (IS_ERR(skb)) { |
| 1282 | BT_ERR("%s entering Intel manufacturer mode failed (%ld)", |
| 1283 | hdev->name, PTR_ERR(skb)); |
| 1284 | release_firmware(fw); |
Adam Lee | d9c78e9 | 2013-07-10 10:02:12 +0800 | [diff] [blame] | 1285 | return PTR_ERR(skb); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1286 | } |
| 1287 | |
| 1288 | if (skb->data[0]) { |
| 1289 | u8 evt_status = skb->data[0]; |
| 1290 | BT_ERR("%s enable Intel manufacturer mode event failed (%02x)", |
| 1291 | hdev->name, evt_status); |
| 1292 | kfree_skb(skb); |
| 1293 | release_firmware(fw); |
| 1294 | return -bt_to_errno(evt_status); |
| 1295 | } |
| 1296 | kfree_skb(skb); |
| 1297 | |
| 1298 | disable_patch = 1; |
| 1299 | |
| 1300 | /* The firmware data file consists of list of Intel specific HCI |
| 1301 | * commands and its expected events. The first byte indicates the |
| 1302 | * type of the message, either HCI command or HCI event. |
| 1303 | * |
| 1304 | * It reads the command and its expected event from the firmware file, |
| 1305 | * and send to the controller. Once __hci_cmd_sync_ev() returns, |
| 1306 | * the returned event is compared with the event read from the firmware |
| 1307 | * file and it will continue until all the messages are downloaded to |
| 1308 | * the controller. |
| 1309 | * |
| 1310 | * Once the firmware patching is completed successfully, |
| 1311 | * the manufacturer mode is disabled with reset and activating the |
| 1312 | * downloaded patch. |
| 1313 | * |
| 1314 | * If the firmware patching fails, the manufacturer mode is |
| 1315 | * disabled with reset and deactivating the patch. |
| 1316 | * |
| 1317 | * If the default patch file is used, no reset is done when disabling |
| 1318 | * the manufacturer. |
| 1319 | */ |
| 1320 | while (fw->size > fw_ptr - fw->data) { |
| 1321 | int ret; |
| 1322 | |
| 1323 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, |
| 1324 | &disable_patch); |
| 1325 | if (ret < 0) |
| 1326 | goto exit_mfg_deactivate; |
| 1327 | } |
| 1328 | |
| 1329 | release_firmware(fw); |
| 1330 | |
| 1331 | if (disable_patch) |
| 1332 | goto exit_mfg_disable; |
| 1333 | |
| 1334 | /* Patching completed successfully and disable the manufacturer mode |
| 1335 | * with reset and activate the downloaded firmware patches. |
| 1336 | */ |
| 1337 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate), |
| 1338 | mfg_reset_activate, HCI_INIT_TIMEOUT); |
| 1339 | if (IS_ERR(skb)) { |
| 1340 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", |
| 1341 | hdev->name, PTR_ERR(skb)); |
Adam Lee | d9c78e9 | 2013-07-10 10:02:12 +0800 | [diff] [blame] | 1342 | return PTR_ERR(skb); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1343 | } |
| 1344 | kfree_skb(skb); |
| 1345 | |
| 1346 | BT_INFO("%s: Intel Bluetooth firmware patch completed and activated", |
| 1347 | hdev->name); |
| 1348 | |
| 1349 | return 0; |
| 1350 | |
| 1351 | exit_mfg_disable: |
| 1352 | /* Disable the manufacturer mode without reset */ |
| 1353 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable, |
| 1354 | HCI_INIT_TIMEOUT); |
| 1355 | if (IS_ERR(skb)) { |
| 1356 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", |
| 1357 | hdev->name, PTR_ERR(skb)); |
Adam Lee | d9c78e9 | 2013-07-10 10:02:12 +0800 | [diff] [blame] | 1358 | return PTR_ERR(skb); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1359 | } |
| 1360 | kfree_skb(skb); |
| 1361 | |
| 1362 | BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name); |
| 1363 | return 0; |
| 1364 | |
| 1365 | exit_mfg_deactivate: |
| 1366 | release_firmware(fw); |
| 1367 | |
| 1368 | /* Patching failed. Disable the manufacturer mode with reset and |
| 1369 | * deactivate the downloaded firmware patches. |
| 1370 | */ |
| 1371 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate), |
| 1372 | mfg_reset_deactivate, HCI_INIT_TIMEOUT); |
| 1373 | if (IS_ERR(skb)) { |
| 1374 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", |
| 1375 | hdev->name, PTR_ERR(skb)); |
Adam Lee | d9c78e9 | 2013-07-10 10:02:12 +0800 | [diff] [blame] | 1376 | return PTR_ERR(skb); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1377 | } |
| 1378 | kfree_skb(skb); |
| 1379 | |
| 1380 | BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated", |
| 1381 | hdev->name); |
| 1382 | |
| 1383 | return 0; |
| 1384 | } |
| 1385 | |
Petri Gynther | 10d4c67 | 2014-05-08 15:50:01 -0700 | [diff] [blame] | 1386 | static int btusb_setup_bcm_patchram(struct hci_dev *hdev) |
| 1387 | { |
| 1388 | struct btusb_data *data = hci_get_drvdata(hdev); |
| 1389 | struct usb_device *udev = data->udev; |
| 1390 | char fw_name[64]; |
| 1391 | const struct firmware *fw; |
| 1392 | const u8 *fw_ptr; |
| 1393 | size_t fw_size; |
| 1394 | const struct hci_command_hdr *cmd; |
| 1395 | const u8 *cmd_param; |
| 1396 | u16 opcode; |
| 1397 | struct sk_buff *skb; |
| 1398 | struct hci_rp_read_local_version *ver; |
| 1399 | long ret; |
| 1400 | |
| 1401 | snprintf(fw_name, sizeof(fw_name), "brcm/%s-%04x-%04x.hcd", |
| 1402 | udev->product ? udev->product : "BCM", |
| 1403 | le16_to_cpu(udev->descriptor.idVendor), |
| 1404 | le16_to_cpu(udev->descriptor.idProduct)); |
| 1405 | |
| 1406 | ret = request_firmware(&fw, fw_name, &hdev->dev); |
| 1407 | if (ret < 0) { |
| 1408 | BT_INFO("%s: BCM: patch %s not found", hdev->name, |
| 1409 | fw_name); |
| 1410 | return 0; |
| 1411 | } |
| 1412 | |
| 1413 | /* Reset */ |
| 1414 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); |
| 1415 | if (IS_ERR(skb)) { |
| 1416 | ret = PTR_ERR(skb); |
| 1417 | BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev->name, ret); |
| 1418 | goto done; |
| 1419 | } |
| 1420 | kfree_skb(skb); |
| 1421 | |
| 1422 | /* Read Local Version Info */ |
| 1423 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, |
| 1424 | HCI_INIT_TIMEOUT); |
| 1425 | if (IS_ERR(skb)) { |
| 1426 | ret = PTR_ERR(skb); |
| 1427 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)", |
| 1428 | hdev->name, ret); |
| 1429 | goto done; |
| 1430 | } |
| 1431 | |
| 1432 | if (skb->len != sizeof(*ver)) { |
| 1433 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch", |
| 1434 | hdev->name); |
| 1435 | kfree_skb(skb); |
| 1436 | ret = -EIO; |
| 1437 | goto done; |
| 1438 | } |
| 1439 | |
| 1440 | ver = (struct hci_rp_read_local_version *) skb->data; |
| 1441 | BT_INFO("%s: BCM: patching hci_ver=%02x hci_rev=%04x lmp_ver=%02x " |
| 1442 | "lmp_subver=%04x", hdev->name, ver->hci_ver, ver->hci_rev, |
| 1443 | ver->lmp_ver, ver->lmp_subver); |
| 1444 | kfree_skb(skb); |
| 1445 | |
| 1446 | /* Start Download */ |
| 1447 | skb = __hci_cmd_sync(hdev, 0xfc2e, 0, NULL, HCI_INIT_TIMEOUT); |
| 1448 | if (IS_ERR(skb)) { |
| 1449 | ret = PTR_ERR(skb); |
| 1450 | BT_ERR("%s: BCM: Download Minidrv command failed (%ld)", |
| 1451 | hdev->name, ret); |
| 1452 | goto reset_fw; |
| 1453 | } |
| 1454 | kfree_skb(skb); |
| 1455 | |
| 1456 | /* 50 msec delay after Download Minidrv completes */ |
| 1457 | msleep(50); |
| 1458 | |
| 1459 | fw_ptr = fw->data; |
| 1460 | fw_size = fw->size; |
| 1461 | |
| 1462 | while (fw_size >= sizeof(*cmd)) { |
| 1463 | cmd = (struct hci_command_hdr *) fw_ptr; |
| 1464 | fw_ptr += sizeof(*cmd); |
| 1465 | fw_size -= sizeof(*cmd); |
| 1466 | |
| 1467 | if (fw_size < cmd->plen) { |
| 1468 | BT_ERR("%s: BCM: patch %s is corrupted", |
| 1469 | hdev->name, fw_name); |
| 1470 | ret = -EINVAL; |
| 1471 | goto reset_fw; |
| 1472 | } |
| 1473 | |
| 1474 | cmd_param = fw_ptr; |
| 1475 | fw_ptr += cmd->plen; |
| 1476 | fw_size -= cmd->plen; |
| 1477 | |
| 1478 | opcode = le16_to_cpu(cmd->opcode); |
| 1479 | |
| 1480 | skb = __hci_cmd_sync(hdev, opcode, cmd->plen, cmd_param, |
| 1481 | HCI_INIT_TIMEOUT); |
| 1482 | if (IS_ERR(skb)) { |
| 1483 | ret = PTR_ERR(skb); |
| 1484 | BT_ERR("%s: BCM: patch command %04x failed (%ld)", |
| 1485 | hdev->name, opcode, ret); |
| 1486 | goto reset_fw; |
| 1487 | } |
| 1488 | kfree_skb(skb); |
| 1489 | } |
| 1490 | |
| 1491 | /* 250 msec delay after Launch Ram completes */ |
| 1492 | msleep(250); |
| 1493 | |
| 1494 | reset_fw: |
| 1495 | /* Reset */ |
| 1496 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); |
| 1497 | if (IS_ERR(skb)) { |
| 1498 | ret = PTR_ERR(skb); |
| 1499 | BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev->name, ret); |
| 1500 | goto done; |
| 1501 | } |
| 1502 | kfree_skb(skb); |
| 1503 | |
| 1504 | /* Read Local Version Info */ |
| 1505 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, |
| 1506 | HCI_INIT_TIMEOUT); |
| 1507 | if (IS_ERR(skb)) { |
| 1508 | ret = PTR_ERR(skb); |
| 1509 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)", |
| 1510 | hdev->name, ret); |
| 1511 | goto done; |
| 1512 | } |
| 1513 | |
| 1514 | if (skb->len != sizeof(*ver)) { |
| 1515 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch", |
| 1516 | hdev->name); |
| 1517 | kfree_skb(skb); |
| 1518 | ret = -EIO; |
| 1519 | goto done; |
| 1520 | } |
| 1521 | |
| 1522 | ver = (struct hci_rp_read_local_version *) skb->data; |
| 1523 | BT_INFO("%s: BCM: firmware hci_ver=%02x hci_rev=%04x lmp_ver=%02x " |
| 1524 | "lmp_subver=%04x", hdev->name, ver->hci_ver, ver->hci_rev, |
| 1525 | ver->lmp_ver, ver->lmp_subver); |
| 1526 | kfree_skb(skb); |
| 1527 | |
| 1528 | done: |
| 1529 | release_firmware(fw); |
| 1530 | |
| 1531 | return ret; |
| 1532 | } |
| 1533 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1534 | static int btusb_probe(struct usb_interface *intf, |
| 1535 | const struct usb_device_id *id) |
| 1536 | { |
| 1537 | struct usb_endpoint_descriptor *ep_desc; |
| 1538 | struct btusb_data *data; |
| 1539 | struct hci_dev *hdev; |
| 1540 | int i, err; |
| 1541 | |
| 1542 | BT_DBG("intf %p id %p", intf, id); |
| 1543 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1544 | /* interface numbers are hardcoded in the spec */ |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1545 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
| 1546 | return -ENODEV; |
| 1547 | |
| 1548 | if (!id->driver_info) { |
| 1549 | const struct usb_device_id *match; |
| 1550 | match = usb_match_id(intf, blacklist_table); |
| 1551 | if (match) |
| 1552 | id = match; |
| 1553 | } |
| 1554 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1555 | if (id->driver_info == BTUSB_IGNORE) |
| 1556 | return -ENODEV; |
| 1557 | |
| 1558 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) |
| 1559 | return -ENODEV; |
| 1560 | |
| 1561 | if (ignore_csr && id->driver_info & BTUSB_CSR) |
| 1562 | return -ENODEV; |
| 1563 | |
| 1564 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) |
| 1565 | return -ENODEV; |
| 1566 | |
Steven.Li | 2d25f8b | 2011-07-01 14:02:36 +0800 | [diff] [blame] | 1567 | if (id->driver_info & BTUSB_ATH3012) { |
| 1568 | struct usb_device *udev = interface_to_usbdev(intf); |
| 1569 | |
| 1570 | /* Old firmware would otherwise let ath3k driver load |
| 1571 | * patch and sysconfig files */ |
| 1572 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) |
| 1573 | return -ENODEV; |
| 1574 | } |
| 1575 | |
Sachin Kamat | 98921db | 2012-07-27 12:38:39 +0530 | [diff] [blame] | 1576 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1577 | if (!data) |
| 1578 | return -ENOMEM; |
| 1579 | |
| 1580 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { |
| 1581 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; |
| 1582 | |
| 1583 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { |
| 1584 | data->intr_ep = ep_desc; |
| 1585 | continue; |
| 1586 | } |
| 1587 | |
| 1588 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { |
| 1589 | data->bulk_tx_ep = ep_desc; |
| 1590 | continue; |
| 1591 | } |
| 1592 | |
| 1593 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { |
| 1594 | data->bulk_rx_ep = ep_desc; |
| 1595 | continue; |
| 1596 | } |
| 1597 | } |
| 1598 | |
Sachin Kamat | 98921db | 2012-07-27 12:38:39 +0530 | [diff] [blame] | 1599 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1600 | return -ENODEV; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1601 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1602 | data->cmdreq_type = USB_TYPE_CLASS; |
| 1603 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1604 | data->udev = interface_to_usbdev(intf); |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 1605 | data->intf = intf; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1606 | |
| 1607 | spin_lock_init(&data->lock); |
| 1608 | |
| 1609 | INIT_WORK(&data->work, btusb_work); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1610 | INIT_WORK(&data->waker, btusb_waker); |
| 1611 | spin_lock_init(&data->txlock); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1612 | |
| 1613 | init_usb_anchor(&data->tx_anchor); |
| 1614 | init_usb_anchor(&data->intr_anchor); |
| 1615 | init_usb_anchor(&data->bulk_anchor); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1616 | init_usb_anchor(&data->isoc_anchor); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1617 | init_usb_anchor(&data->deferred); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1618 | |
| 1619 | hdev = hci_alloc_dev(); |
Sachin Kamat | 98921db | 2012-07-27 12:38:39 +0530 | [diff] [blame] | 1620 | if (!hdev) |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1621 | return -ENOMEM; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1622 | |
Marcel Holtmann | c13854c | 2010-02-08 15:27:07 +0100 | [diff] [blame] | 1623 | hdev->bus = HCI_USB; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 1624 | hci_set_drvdata(hdev, data); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1625 | |
| 1626 | data->hdev = hdev; |
| 1627 | |
| 1628 | SET_HCIDEV_DEV(hdev, &intf->dev); |
| 1629 | |
Marcel Holtmann | 9f8f962 | 2013-04-10 08:11:35 -0700 | [diff] [blame] | 1630 | hdev->open = btusb_open; |
| 1631 | hdev->close = btusb_close; |
| 1632 | hdev->flush = btusb_flush; |
| 1633 | hdev->send = btusb_send_frame; |
| 1634 | hdev->notify = btusb_notify; |
| 1635 | |
| 1636 | if (id->driver_info & BTUSB_BCM92035) |
| 1637 | hdev->setup = btusb_setup_bcm92035; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1638 | |
Petri Gynther | 10d4c67 | 2014-05-08 15:50:01 -0700 | [diff] [blame] | 1639 | if (id->driver_info & BTUSB_BCM_PATCHRAM) |
| 1640 | hdev->setup = btusb_setup_bcm_patchram; |
| 1641 | |
Marcel Holtmann | 3c49aa8 | 2014-04-22 14:04:16 -0700 | [diff] [blame] | 1642 | if (id->driver_info & BTUSB_INTEL) |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1643 | hdev->setup = btusb_setup_intel; |
| 1644 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1645 | /* Interface numbers are hardcoded in the specification */ |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1646 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
| 1647 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1648 | if (!reset) |
Szymon Janc | a6c511c | 2012-05-23 12:35:46 +0200 | [diff] [blame] | 1649 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1650 | |
| 1651 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { |
| 1652 | if (!disable_scofix) |
| 1653 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); |
| 1654 | } |
| 1655 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1656 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
| 1657 | data->isoc = NULL; |
| 1658 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1659 | if (id->driver_info & BTUSB_DIGIANSWER) { |
| 1660 | data->cmdreq_type = USB_TYPE_VENDOR; |
Szymon Janc | a6c511c | 2012-05-23 12:35:46 +0200 | [diff] [blame] | 1661 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1662 | } |
| 1663 | |
| 1664 | if (id->driver_info & BTUSB_CSR) { |
| 1665 | struct usb_device *udev = data->udev; |
Marcel Holtmann | 81cac64 | 2014-01-03 03:02:36 -0800 | [diff] [blame] | 1666 | u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1667 | |
| 1668 | /* Old firmware would otherwise execute USB reset */ |
Marcel Holtmann | 81cac64 | 2014-01-03 03:02:36 -0800 | [diff] [blame] | 1669 | if (bcdDevice < 0x117) |
Szymon Janc | a6c511c | 2012-05-23 12:35:46 +0200 | [diff] [blame] | 1670 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
Marcel Holtmann | 81cac64 | 2014-01-03 03:02:36 -0800 | [diff] [blame] | 1671 | |
| 1672 | /* Fake CSR devices with broken commands */ |
| 1673 | if (bcdDevice <= 0x100) |
| 1674 | hdev->setup = btusb_setup_csr; |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1675 | } |
| 1676 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1677 | if (id->driver_info & BTUSB_SNIFFER) { |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1678 | struct usb_device *udev = data->udev; |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1679 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1680 | /* New sniffer firmware has crippled HCI interface */ |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1681 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
| 1682 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1683 | |
| 1684 | data->isoc = NULL; |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1685 | } |
| 1686 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1687 | if (data->isoc) { |
| 1688 | err = usb_driver_claim_interface(&btusb_driver, |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 1689 | data->isoc, data); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1690 | if (err < 0) { |
| 1691 | hci_free_dev(hdev); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1692 | return err; |
| 1693 | } |
| 1694 | } |
| 1695 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1696 | err = hci_register_dev(hdev); |
| 1697 | if (err < 0) { |
| 1698 | hci_free_dev(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1699 | return err; |
| 1700 | } |
| 1701 | |
| 1702 | usb_set_intfdata(intf, data); |
| 1703 | |
| 1704 | return 0; |
| 1705 | } |
| 1706 | |
| 1707 | static void btusb_disconnect(struct usb_interface *intf) |
| 1708 | { |
| 1709 | struct btusb_data *data = usb_get_intfdata(intf); |
| 1710 | struct hci_dev *hdev; |
| 1711 | |
| 1712 | BT_DBG("intf %p", intf); |
| 1713 | |
| 1714 | if (!data) |
| 1715 | return; |
| 1716 | |
| 1717 | hdev = data->hdev; |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 1718 | usb_set_intfdata(data->intf, NULL); |
| 1719 | |
| 1720 | if (data->isoc) |
| 1721 | usb_set_intfdata(data->isoc, NULL); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1722 | |
| 1723 | hci_unregister_dev(hdev); |
| 1724 | |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 1725 | if (intf == data->isoc) |
| 1726 | usb_driver_release_interface(&btusb_driver, data->intf); |
| 1727 | else if (data->isoc) |
| 1728 | usb_driver_release_interface(&btusb_driver, data->isoc); |
| 1729 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1730 | hci_free_dev(hdev); |
| 1731 | } |
| 1732 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1733 | #ifdef CONFIG_PM |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1734 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
| 1735 | { |
| 1736 | struct btusb_data *data = usb_get_intfdata(intf); |
| 1737 | |
| 1738 | BT_DBG("intf %p", intf); |
| 1739 | |
| 1740 | if (data->suspend_count++) |
| 1741 | return 0; |
| 1742 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1743 | spin_lock_irq(&data->txlock); |
Alan Stern | 5b1b0b8 | 2011-08-19 23:49:48 +0200 | [diff] [blame] | 1744 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1745 | set_bit(BTUSB_SUSPENDING, &data->flags); |
| 1746 | spin_unlock_irq(&data->txlock); |
| 1747 | } else { |
| 1748 | spin_unlock_irq(&data->txlock); |
| 1749 | data->suspend_count--; |
| 1750 | return -EBUSY; |
| 1751 | } |
| 1752 | |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1753 | cancel_work_sync(&data->work); |
| 1754 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1755 | btusb_stop_traffic(data); |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1756 | usb_kill_anchored_urbs(&data->tx_anchor); |
| 1757 | |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1758 | return 0; |
| 1759 | } |
| 1760 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1761 | static void play_deferred(struct btusb_data *data) |
| 1762 | { |
| 1763 | struct urb *urb; |
| 1764 | int err; |
| 1765 | |
| 1766 | while ((urb = usb_get_from_anchor(&data->deferred))) { |
| 1767 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 1768 | if (err < 0) |
| 1769 | break; |
| 1770 | |
| 1771 | data->tx_in_flight++; |
| 1772 | } |
| 1773 | usb_scuttle_anchored_urbs(&data->deferred); |
| 1774 | } |
| 1775 | |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1776 | static int btusb_resume(struct usb_interface *intf) |
| 1777 | { |
| 1778 | struct btusb_data *data = usb_get_intfdata(intf); |
| 1779 | struct hci_dev *hdev = data->hdev; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1780 | int err = 0; |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1781 | |
| 1782 | BT_DBG("intf %p", intf); |
| 1783 | |
| 1784 | if (--data->suspend_count) |
| 1785 | return 0; |
| 1786 | |
| 1787 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1788 | goto done; |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1789 | |
| 1790 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { |
| 1791 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); |
| 1792 | if (err < 0) { |
| 1793 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1794 | goto failed; |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1795 | } |
| 1796 | } |
| 1797 | |
| 1798 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 1799 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
| 1800 | if (err < 0) { |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1801 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1802 | goto failed; |
| 1803 | } |
| 1804 | |
| 1805 | btusb_submit_bulk_urb(hdev, GFP_NOIO); |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1806 | } |
| 1807 | |
| 1808 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { |
| 1809 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) |
| 1810 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 1811 | else |
| 1812 | btusb_submit_isoc_urb(hdev, GFP_NOIO); |
| 1813 | } |
| 1814 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1815 | spin_lock_irq(&data->txlock); |
| 1816 | play_deferred(data); |
| 1817 | clear_bit(BTUSB_SUSPENDING, &data->flags); |
| 1818 | spin_unlock_irq(&data->txlock); |
| 1819 | schedule_work(&data->work); |
| 1820 | |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1821 | return 0; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1822 | |
| 1823 | failed: |
| 1824 | usb_scuttle_anchored_urbs(&data->deferred); |
| 1825 | done: |
| 1826 | spin_lock_irq(&data->txlock); |
| 1827 | clear_bit(BTUSB_SUSPENDING, &data->flags); |
| 1828 | spin_unlock_irq(&data->txlock); |
| 1829 | |
| 1830 | return err; |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1831 | } |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1832 | #endif |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1833 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1834 | static struct usb_driver btusb_driver = { |
| 1835 | .name = "btusb", |
| 1836 | .probe = btusb_probe, |
| 1837 | .disconnect = btusb_disconnect, |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1838 | #ifdef CONFIG_PM |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1839 | .suspend = btusb_suspend, |
| 1840 | .resume = btusb_resume, |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1841 | #endif |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1842 | .id_table = btusb_table, |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1843 | .supports_autosuspend = 1, |
Sarah Sharp | e1f12eb | 2012-04-23 10:08:51 -0700 | [diff] [blame] | 1844 | .disable_hub_initiated_lpm = 1, |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1845 | }; |
| 1846 | |
Greg Kroah-Hartman | 93f1508 | 2011-11-18 09:47:34 -0800 | [diff] [blame] | 1847 | module_usb_driver(btusb_driver); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1848 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1849 | module_param(ignore_dga, bool, 0644); |
| 1850 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); |
| 1851 | |
| 1852 | module_param(ignore_csr, bool, 0644); |
| 1853 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); |
| 1854 | |
| 1855 | module_param(ignore_sniffer, bool, 0644); |
| 1856 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); |
| 1857 | |
| 1858 | module_param(disable_scofix, bool, 0644); |
| 1859 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); |
| 1860 | |
| 1861 | module_param(force_scofix, bool, 0644); |
| 1862 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); |
| 1863 | |
| 1864 | module_param(reset, bool, 0644); |
| 1865 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); |
| 1866 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1867 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
| 1868 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); |
| 1869 | MODULE_VERSION(VERSION); |
| 1870 | MODULE_LICENSE("GPL"); |