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 disable_scofix; |
| 34 | static bool force_scofix; |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 35 | |
Rusty Russell | 90ab5ee | 2012-01-13 09:32:20 +1030 | [diff] [blame] | 36 | static bool reset = 1; |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 37 | |
| 38 | static struct usb_driver btusb_driver; |
| 39 | |
| 40 | #define BTUSB_IGNORE 0x01 |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 41 | #define BTUSB_DIGIANSWER 0x02 |
| 42 | #define BTUSB_CSR 0x04 |
| 43 | #define BTUSB_SNIFFER 0x08 |
| 44 | #define BTUSB_BCM92035 0x10 |
| 45 | #define BTUSB_BROKEN_ISOC 0x20 |
| 46 | #define BTUSB_WRONG_SCO_MTU 0x40 |
Steven.Li | 2d25f8b | 2011-07-01 14:02:36 +0800 | [diff] [blame] | 47 | #define BTUSB_ATH3012 0x80 |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 48 | #define BTUSB_INTEL 0x100 |
Marcel Holtmann | 40df783 | 2014-07-06 13:29:58 +0200 | [diff] [blame] | 49 | #define BTUSB_INTEL_BOOT 0x200 |
| 50 | #define BTUSB_BCM_PATCHRAM 0x400 |
Amitkumar Karwar | ae8df49 | 2014-07-18 14:47:06 -0700 | [diff] [blame] | 51 | #define BTUSB_MARVELL 0x800 |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 52 | |
Marcel Holtmann | 5426520 | 2013-10-11 07:46:18 -0700 | [diff] [blame] | 53 | static const struct usb_device_id btusb_table[] = { |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 54 | /* Generic Bluetooth USB device */ |
| 55 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, |
| 56 | |
Henrik Rydberg | 1fa6535 | 2012-08-25 19:28:06 +0200 | [diff] [blame] | 57 | /* Apple-specific (Broadcom) devices */ |
| 58 | { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) }, |
| 59 | |
Cho, Yu-Chen | 178c059 | 2013-06-04 21:40:26 +0800 | [diff] [blame] | 60 | /* MediaTek MT76x0E */ |
| 61 | { USB_DEVICE(0x0e8d, 0x763f) }, |
| 62 | |
Oliver Neukum | c510eae | 2011-09-21 11:41:45 +0200 | [diff] [blame] | 63 | /* Broadcom SoftSailing reporting vendor specific */ |
Don Zickus | 2e8b5063 | 2012-03-28 16:41:11 -0400 | [diff] [blame] | 64 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
Oliver Neukum | c510eae | 2011-09-21 11:41:45 +0200 | [diff] [blame] | 65 | |
Nobuhiro Iwamatsu | 3cd0197 | 2010-08-20 16:24:07 +0900 | [diff] [blame] | 66 | /* Apple MacBookPro 7,1 */ |
| 67 | { USB_DEVICE(0x05ac, 0x8213) }, |
| 68 | |
Cyril Lacoux | 0a79f67 | 2010-07-14 10:29:27 +0400 | [diff] [blame] | 69 | /* Apple iMac11,1 */ |
| 70 | { USB_DEVICE(0x05ac, 0x8215) }, |
| 71 | |
Nobuhiro Iwamatsu | 9c04715 | 2010-08-20 16:24:06 +0900 | [diff] [blame] | 72 | /* Apple MacBookPro6,2 */ |
| 73 | { USB_DEVICE(0x05ac, 0x8218) }, |
| 74 | |
Edgar (gimli) Hucek | 3e3ede7 | 2010-11-04 08:04:33 +0100 | [diff] [blame] | 75 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
| 76 | { USB_DEVICE(0x05ac, 0x821b) }, |
| 77 | |
Pieter-Augustijn Van Malleghem | a63b723 | 2011-09-07 02:28:10 -0400 | [diff] [blame] | 78 | /* Apple MacBookAir4,1 */ |
| 79 | { USB_DEVICE(0x05ac, 0x821f) }, |
| 80 | |
Marc-Antoine Perennou | 88d377b | 2011-03-24 14:51:21 -0300 | [diff] [blame] | 81 | /* Apple MacBookPro8,2 */ |
| 82 | { USB_DEVICE(0x05ac, 0x821a) }, |
| 83 | |
Jurgen Kramer | f78b6826 | 2011-09-04 18:01:42 +0200 | [diff] [blame] | 84 | /* Apple MacMini5,1 */ |
| 85 | { USB_DEVICE(0x05ac, 0x8281) }, |
| 86 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 87 | /* AVM BlueFRITZ! USB v2.0 */ |
| 88 | { USB_DEVICE(0x057c, 0x3800) }, |
| 89 | |
| 90 | /* Bluetooth Ultraport Module from IBM */ |
| 91 | { USB_DEVICE(0x04bf, 0x030a) }, |
| 92 | |
| 93 | /* ALPS Modules with non-standard id */ |
| 94 | { USB_DEVICE(0x044e, 0x3001) }, |
| 95 | { USB_DEVICE(0x044e, 0x3002) }, |
| 96 | |
| 97 | /* Ericsson with non-standard id */ |
| 98 | { USB_DEVICE(0x0bdb, 0x1002) }, |
| 99 | |
| 100 | /* Canyon CN-BTU1 with HID interfaces */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 101 | { USB_DEVICE(0x0c10, 0x0000) }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 102 | |
Wen-chien Jesse Sung | d13431c | 2011-11-08 14:30:22 +0800 | [diff] [blame] | 103 | /* Broadcom BCM20702A0 */ |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 104 | { USB_DEVICE(0x0489, 0xe042) }, |
| 105 | { USB_DEVICE(0x04ca, 0x2003) }, |
Jeff Cook | 1ee3ff6 | 2012-11-09 16:39:48 -0700 | [diff] [blame] | 106 | { USB_DEVICE(0x0b05, 0x17b5) }, |
Raphael Kubo da Costa | 38a172b | 2013-09-02 14:57:51 +0300 | [diff] [blame] | 107 | { USB_DEVICE(0x0b05, 0x17cb) }, |
Wen-chien Jesse Sung | d13431c | 2011-11-08 14:30:22 +0800 | [diff] [blame] | 108 | { USB_DEVICE(0x413c, 0x8197) }, |
| 109 | |
Steven Harms | 9851403 | 2012-04-13 14:45:55 -0400 | [diff] [blame] | 110 | /* Foxconn - Hon Hai */ |
Gustavo Padovan | ee66401 | 2012-08-15 01:38:11 -0300 | [diff] [blame] | 111 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01) }, |
Steven Harms | 9851403 | 2012-04-13 14:45:55 -0400 | [diff] [blame] | 112 | |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 113 | /* Broadcom devices with vendor specific id */ |
Petri Gynther | 10d4c67 | 2014-05-08 15:50:01 -0700 | [diff] [blame] | 114 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01), |
| 115 | .driver_info = BTUSB_BCM_PATCHRAM }, |
Gustavo Padovan | 92c385f | 2012-08-06 15:36:49 -0300 | [diff] [blame] | 116 | |
Marcel Holtmann | c2aef6e | 2014-07-21 14:02:33 +0200 | [diff] [blame] | 117 | /* ASUSTek Computer - Broadcom based */ |
| 118 | { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01) }, |
| 119 | |
Ken O'Brien | 5bcecf3 | 2013-09-21 19:14:43 +0100 | [diff] [blame] | 120 | /* Belkin F8065bf - Broadcom based */ |
| 121 | { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01) }, |
| 122 | |
Jurgen Kramer | 9113bfd | 2014-02-15 12:01:09 +0100 | [diff] [blame] | 123 | /* IMC Networks - Broadcom based */ |
| 124 | { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01) }, |
| 125 | |
Marcel Holtmann | 40df783 | 2014-07-06 13:29:58 +0200 | [diff] [blame] | 126 | /* Intel Bluetooth USB Bootloader (RAM module) */ |
Marcel Holtmann | d92f2df0 | 2014-07-06 14:53:55 +0200 | [diff] [blame] | 127 | { USB_DEVICE(0x8087, 0x0a5a), |
| 128 | .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC }, |
Marcel Holtmann | 40df783 | 2014-07-06 13:29:58 +0200 | [diff] [blame] | 129 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 130 | { } /* Terminating entry */ |
| 131 | }; |
| 132 | |
| 133 | MODULE_DEVICE_TABLE(usb, btusb_table); |
| 134 | |
Marcel Holtmann | 5426520 | 2013-10-11 07:46:18 -0700 | [diff] [blame] | 135 | static const struct usb_device_id blacklist_table[] = { |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 136 | /* CSR BlueCore devices */ |
| 137 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, |
| 138 | |
| 139 | /* Broadcom BCM2033 without firmware */ |
| 140 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, |
| 141 | |
Bala Shanmugam | be93112 | 2010-11-26 17:35:46 +0530 | [diff] [blame] | 142 | /* Atheros 3011 with sflash firmware */ |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 143 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
| 144 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, |
| 145 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
Bala Shanmugam | be93112 | 2010-11-26 17:35:46 +0530 | [diff] [blame] | 146 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, |
Marek Vasut | 6eda541 | 2012-06-08 14:32:50 +0200 | [diff] [blame] | 147 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
Andy Ross | 2a7bccc | 2011-05-09 16:11:16 -0700 | [diff] [blame] | 148 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
Bala Shanmugam | be93112 | 2010-11-26 17:35:46 +0530 | [diff] [blame] | 149 | |
Cho, Yu-Chen | 509e786 | 2011-01-26 17:10:59 +0800 | [diff] [blame] | 150 | /* Atheros AR9285 Malbec with sflash firmware */ |
| 151 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, |
| 152 | |
Bala Shanmugam | d9f51b5 | 2011-02-11 15:38:53 +0530 | [diff] [blame] | 153 | /* Atheros 3012 with sflash firmware */ |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 154 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
| 155 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, |
| 156 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, |
| 157 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, |
| 158 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, |
| 159 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
| 160 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, |
| 161 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, |
| 162 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, |
Mohammed Habibulla | 1fb4e09 | 2014-04-17 11:37:13 -0700 | [diff] [blame] | 163 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 164 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
| 165 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, |
| 166 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
| 167 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, |
Vincent Zwanenburg | 89d2975 | 2014-08-08 12:33:56 +0100 | [diff] [blame] | 168 | { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, |
Andy Shevchenko | a735f9e | 2014-02-18 18:26:20 +0200 | [diff] [blame] | 169 | { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, |
Ming Lei | d66629c | 2013-03-15 11:00:39 +0800 | [diff] [blame] | 170 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
Steven.Li | 2d25f8b | 2011-07-01 14:02:36 +0800 | [diff] [blame] | 171 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
Sunguk Lee | 94a32d10 | 2013-03-12 04:41:58 +0900 | [diff] [blame] | 172 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
Cho, Yu-Chen | 07c0ea8 | 2012-03-14 22:01:21 +0200 | [diff] [blame] | 173 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
Oliver Neukum | b131237 | 2014-01-16 15:37:11 +0100 | [diff] [blame] | 174 | { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, |
Oliver Neukum | 1e56f1e | 2014-01-16 16:02:58 +0100 | [diff] [blame] | 175 | { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 176 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
Ming Lei | ebaf579 | 2013-03-18 23:45:11 +0800 | [diff] [blame] | 177 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 178 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
AceLan Kao | ac71311 | 2012-04-19 14:53:45 +0800 | [diff] [blame] | 179 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
Peng Chen | 0a3658c | 2013-08-30 17:41:40 +0800 | [diff] [blame] | 180 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 181 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
| 182 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, |
AceLan Kao | eed307e | 2012-12-11 11:41:20 +0800 | [diff] [blame] | 183 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
Sujith Manoharan | 5b77a1f | 2013-07-15 09:29:03 +0530 | [diff] [blame] | 184 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
Anantha Krishnan | fa2f139 | 2014-07-08 19:25:08 +0530 | [diff] [blame] | 185 | { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, |
Bala Shanmugam | d9f51b5 | 2011-02-11 15:38:53 +0530 | [diff] [blame] | 186 | |
Cho, Yu-Chen | e9036e3 | 2011-02-15 10:20:07 +0800 | [diff] [blame] | 187 | /* Atheros AR5BBU12 with sflash firmware */ |
| 188 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, |
| 189 | |
Michael Gruetzner | 85d5972 | 2012-05-02 22:33:40 +0200 | [diff] [blame] | 190 | /* Atheros AR5BBU12 with sflash firmware */ |
Yevgeniy Melnichuk | bc21fde | 2012-08-07 19:48:10 +0530 | [diff] [blame] | 191 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 192 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, |
Michael Gruetzner | 85d5972 | 2012-05-02 22:33:40 +0200 | [diff] [blame] | 193 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 194 | /* Broadcom BCM2035 */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 195 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 196 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 197 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 198 | |
| 199 | /* Broadcom BCM2045 */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 200 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 201 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | bdbef3d | 2008-09-23 00:16:35 +0200 | [diff] [blame] | 202 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 203 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 204 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 205 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 206 | |
| 207 | /* HP laptop with Broadcom chip */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 208 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 209 | |
| 210 | /* Dell laptop with Broadcom chip */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 211 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 212 | |
Marcel Holtmann | 5ddd4a6 | 2008-11-30 12:17:27 +0100 | [diff] [blame] | 213 | /* Dell Wireless 370 and 410 devices */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 214 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | 5ddd4a6 | 2008-11-30 12:17:27 +0100 | [diff] [blame] | 215 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 216 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 217 | /* Belkin F8T012 and F8T013 devices */ |
| 218 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 219 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 220 | |
Marcel Holtmann | 5ddd4a6 | 2008-11-30 12:17:27 +0100 | [diff] [blame] | 221 | /* Asus WL-BTD202 device */ |
| 222 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 223 | |
| 224 | /* Kensington Bluetooth USB adapter */ |
| 225 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 226 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 227 | /* RTX Telecom based adapters with buggy SCO support */ |
| 228 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, |
| 229 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, |
| 230 | |
| 231 | /* CONWISE Technology based adapters with buggy SCO support */ |
| 232 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, |
| 233 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 234 | /* Digianswer devices */ |
| 235 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, |
| 236 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, |
| 237 | |
| 238 | /* CSR BlueCore Bluetooth Sniffer */ |
Marcel Holtmann | 4f64fa8 | 2014-07-07 00:12:04 +0200 | [diff] [blame] | 239 | { USB_DEVICE(0x0a12, 0x0002), |
| 240 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 241 | |
| 242 | /* Frontline ComProbe Bluetooth Sniffer */ |
Marcel Holtmann | 4f64fa8 | 2014-07-07 00:12:04 +0200 | [diff] [blame] | 243 | { USB_DEVICE(0x16d3, 0x0002), |
| 244 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 245 | |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 246 | /* Intel Bluetooth device */ |
| 247 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, |
Tedd Ho-Jeong An | ef4e5e4 | 2013-11-12 13:10:58 -0800 | [diff] [blame] | 248 | { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL }, |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 249 | |
Amitkumar Karwar | ae8df49 | 2014-07-18 14:47:06 -0700 | [diff] [blame] | 250 | /* Marvell device */ |
| 251 | { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL }, |
| 252 | { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL }, |
| 253 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 254 | { } /* Terminating entry */ |
| 255 | }; |
| 256 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 257 | #define BTUSB_MAX_ISOC_FRAMES 10 |
| 258 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 259 | #define BTUSB_INTR_RUNNING 0 |
| 260 | #define BTUSB_BULK_RUNNING 1 |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 261 | #define BTUSB_ISOC_RUNNING 2 |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 262 | #define BTUSB_SUSPENDING 3 |
Gustavo F. Padovan | 08b8b6c | 2010-07-16 17:20:33 -0300 | [diff] [blame] | 263 | #define BTUSB_DID_ISO_RESUME 4 |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 264 | |
| 265 | struct btusb_data { |
| 266 | struct hci_dev *hdev; |
| 267 | struct usb_device *udev; |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 268 | struct usb_interface *intf; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 269 | struct usb_interface *isoc; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 270 | |
| 271 | spinlock_t lock; |
| 272 | |
| 273 | unsigned long flags; |
| 274 | |
| 275 | struct work_struct work; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 276 | struct work_struct waker; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 277 | |
| 278 | struct usb_anchor tx_anchor; |
| 279 | struct usb_anchor intr_anchor; |
| 280 | struct usb_anchor bulk_anchor; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 281 | struct usb_anchor isoc_anchor; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 282 | struct usb_anchor deferred; |
| 283 | int tx_in_flight; |
| 284 | spinlock_t txlock; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 285 | |
| 286 | struct usb_endpoint_descriptor *intr_ep; |
| 287 | struct usb_endpoint_descriptor *bulk_tx_ep; |
| 288 | struct usb_endpoint_descriptor *bulk_rx_ep; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 289 | struct usb_endpoint_descriptor *isoc_tx_ep; |
| 290 | struct usb_endpoint_descriptor *isoc_rx_ep; |
| 291 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 292 | __u8 cmdreq_type; |
| 293 | |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 294 | unsigned int sco_num; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 295 | int isoc_altsetting; |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 296 | int suspend_count; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 297 | }; |
| 298 | |
| 299 | static void btusb_intr_complete(struct urb *urb) |
| 300 | { |
| 301 | struct hci_dev *hdev = urb->context; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 302 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 303 | int err; |
| 304 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 305 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
| 306 | urb->actual_length); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 307 | |
| 308 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 309 | return; |
| 310 | |
| 311 | if (urb->status == 0) { |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 312 | hdev->stat.byte_rx += urb->actual_length; |
| 313 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 314 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 315 | urb->transfer_buffer, |
| 316 | urb->actual_length) < 0) { |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 317 | BT_ERR("%s corrupted event packet", hdev->name); |
| 318 | hdev->stat.err_rx++; |
| 319 | } |
Champion Chen | 85560c4 | 2014-09-06 14:06:08 -0500 | [diff] [blame] | 320 | } else if (urb->status == -ENOENT) { |
| 321 | /* Avoid suspend failed when usb_kill_urb */ |
| 322 | return; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 323 | } |
| 324 | |
| 325 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) |
| 326 | return; |
| 327 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 328 | usb_mark_last_busy(data->udev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 329 | usb_anchor_urb(urb, &data->intr_anchor); |
| 330 | |
| 331 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 332 | if (err < 0) { |
Paul Bolle | 4935f1c | 2011-08-09 17:16:28 +0200 | [diff] [blame] | 333 | /* -EPERM: urb is being killed; |
| 334 | * -ENODEV: device got disconnected */ |
| 335 | if (err != -EPERM && err != -ENODEV) |
Stefan Seyfried | 61faddf | 2010-11-30 21:49:08 +0100 | [diff] [blame] | 336 | BT_ERR("%s urb %p failed to resubmit (%d)", |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 337 | hdev->name, urb, -err); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 338 | usb_unanchor_urb(urb); |
| 339 | } |
| 340 | } |
| 341 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 342 | 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] | 343 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 344 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 345 | struct urb *urb; |
| 346 | unsigned char *buf; |
| 347 | unsigned int pipe; |
| 348 | int err, size; |
| 349 | |
| 350 | BT_DBG("%s", hdev->name); |
| 351 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 352 | if (!data->intr_ep) |
| 353 | return -ENODEV; |
| 354 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 355 | urb = usb_alloc_urb(0, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 356 | if (!urb) |
| 357 | return -ENOMEM; |
| 358 | |
| 359 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); |
| 360 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 361 | buf = kmalloc(size, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 362 | if (!buf) { |
| 363 | usb_free_urb(urb); |
| 364 | return -ENOMEM; |
| 365 | } |
| 366 | |
| 367 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); |
| 368 | |
| 369 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 370 | btusb_intr_complete, hdev, data->intr_ep->bInterval); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 371 | |
| 372 | urb->transfer_flags |= URB_FREE_BUFFER; |
| 373 | |
| 374 | usb_anchor_urb(urb, &data->intr_anchor); |
| 375 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 376 | err = usb_submit_urb(urb, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 377 | if (err < 0) { |
Paul Bolle | d4b8d1c | 2011-10-09 12:12:22 +0200 | [diff] [blame] | 378 | if (err != -EPERM && err != -ENODEV) |
| 379 | BT_ERR("%s urb %p submission failed (%d)", |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 380 | hdev->name, urb, -err); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 381 | usb_unanchor_urb(urb); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 382 | } |
| 383 | |
| 384 | usb_free_urb(urb); |
| 385 | |
| 386 | return err; |
| 387 | } |
| 388 | |
| 389 | static void btusb_bulk_complete(struct urb *urb) |
| 390 | { |
| 391 | struct hci_dev *hdev = urb->context; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 392 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 393 | int err; |
| 394 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 395 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
| 396 | urb->actual_length); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 397 | |
| 398 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 399 | return; |
| 400 | |
| 401 | if (urb->status == 0) { |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 402 | hdev->stat.byte_rx += urb->actual_length; |
| 403 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 404 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 405 | urb->transfer_buffer, |
| 406 | urb->actual_length) < 0) { |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 407 | BT_ERR("%s corrupted ACL packet", hdev->name); |
| 408 | hdev->stat.err_rx++; |
| 409 | } |
Champion Chen | 85560c4 | 2014-09-06 14:06:08 -0500 | [diff] [blame] | 410 | } else if (urb->status == -ENOENT) { |
| 411 | /* Avoid suspend failed when usb_kill_urb */ |
| 412 | return; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 413 | } |
| 414 | |
| 415 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) |
| 416 | return; |
| 417 | |
| 418 | usb_anchor_urb(urb, &data->bulk_anchor); |
Oliver Neukum | 652fd78 | 2009-12-16 19:23:43 +0100 | [diff] [blame] | 419 | usb_mark_last_busy(data->udev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 420 | |
| 421 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 422 | if (err < 0) { |
Paul Bolle | 4935f1c | 2011-08-09 17:16:28 +0200 | [diff] [blame] | 423 | /* -EPERM: urb is being killed; |
| 424 | * -ENODEV: device got disconnected */ |
| 425 | if (err != -EPERM && err != -ENODEV) |
Stefan Seyfried | 61faddf | 2010-11-30 21:49:08 +0100 | [diff] [blame] | 426 | BT_ERR("%s urb %p failed to resubmit (%d)", |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 427 | hdev->name, urb, -err); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 428 | usb_unanchor_urb(urb); |
| 429 | } |
| 430 | } |
| 431 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 432 | 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] | 433 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 434 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 435 | struct urb *urb; |
| 436 | unsigned char *buf; |
| 437 | unsigned int pipe; |
Vikram Kandukuri | 290ba20 | 2009-07-02 14:31:59 +0530 | [diff] [blame] | 438 | int err, size = HCI_MAX_FRAME_SIZE; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 439 | |
| 440 | BT_DBG("%s", hdev->name); |
| 441 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 442 | if (!data->bulk_rx_ep) |
| 443 | return -ENODEV; |
| 444 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 445 | urb = usb_alloc_urb(0, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 446 | if (!urb) |
| 447 | return -ENOMEM; |
| 448 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 449 | buf = kmalloc(size, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 450 | if (!buf) { |
| 451 | usb_free_urb(urb); |
| 452 | return -ENOMEM; |
| 453 | } |
| 454 | |
| 455 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); |
| 456 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 457 | usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, |
| 458 | btusb_bulk_complete, hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 459 | |
| 460 | urb->transfer_flags |= URB_FREE_BUFFER; |
| 461 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 462 | usb_mark_last_busy(data->udev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 463 | usb_anchor_urb(urb, &data->bulk_anchor); |
| 464 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 465 | err = usb_submit_urb(urb, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 466 | if (err < 0) { |
Paul Bolle | d4b8d1c | 2011-10-09 12:12:22 +0200 | [diff] [blame] | 467 | if (err != -EPERM && err != -ENODEV) |
| 468 | BT_ERR("%s urb %p submission failed (%d)", |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 469 | hdev->name, urb, -err); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 470 | usb_unanchor_urb(urb); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 471 | } |
| 472 | |
| 473 | usb_free_urb(urb); |
| 474 | |
| 475 | return err; |
| 476 | } |
| 477 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 478 | static void btusb_isoc_complete(struct urb *urb) |
| 479 | { |
| 480 | struct hci_dev *hdev = urb->context; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 481 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 482 | int i, err; |
| 483 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 484 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
| 485 | urb->actual_length); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 486 | |
| 487 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 488 | return; |
| 489 | |
| 490 | if (urb->status == 0) { |
| 491 | for (i = 0; i < urb->number_of_packets; i++) { |
| 492 | unsigned int offset = urb->iso_frame_desc[i].offset; |
| 493 | unsigned int length = urb->iso_frame_desc[i].actual_length; |
| 494 | |
| 495 | if (urb->iso_frame_desc[i].status) |
| 496 | continue; |
| 497 | |
| 498 | hdev->stat.byte_rx += length; |
| 499 | |
| 500 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 501 | urb->transfer_buffer + offset, |
| 502 | length) < 0) { |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 503 | BT_ERR("%s corrupted SCO packet", hdev->name); |
| 504 | hdev->stat.err_rx++; |
| 505 | } |
| 506 | } |
Champion Chen | 85560c4 | 2014-09-06 14:06:08 -0500 | [diff] [blame] | 507 | } else if (urb->status == -ENOENT) { |
| 508 | /* Avoid suspend failed when usb_kill_urb */ |
| 509 | return; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 510 | } |
| 511 | |
| 512 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) |
| 513 | return; |
| 514 | |
| 515 | usb_anchor_urb(urb, &data->isoc_anchor); |
| 516 | |
| 517 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 518 | if (err < 0) { |
Paul Bolle | 4935f1c | 2011-08-09 17:16:28 +0200 | [diff] [blame] | 519 | /* -EPERM: urb is being killed; |
| 520 | * -ENODEV: device got disconnected */ |
| 521 | if (err != -EPERM && err != -ENODEV) |
Stefan Seyfried | 61faddf | 2010-11-30 21:49:08 +0100 | [diff] [blame] | 522 | BT_ERR("%s urb %p failed to resubmit (%d)", |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 523 | hdev->name, urb, -err); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 524 | usb_unanchor_urb(urb); |
| 525 | } |
| 526 | } |
| 527 | |
Jesper Juhl | 42b16b3 | 2011-01-17 00:09:38 +0100 | [diff] [blame] | 528 | 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] | 529 | { |
| 530 | int i, offset = 0; |
| 531 | |
| 532 | BT_DBG("len %d mtu %d", len, mtu); |
| 533 | |
| 534 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; |
| 535 | i++, offset += mtu, len -= mtu) { |
| 536 | urb->iso_frame_desc[i].offset = offset; |
| 537 | urb->iso_frame_desc[i].length = mtu; |
| 538 | } |
| 539 | |
| 540 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { |
| 541 | urb->iso_frame_desc[i].offset = offset; |
| 542 | urb->iso_frame_desc[i].length = len; |
| 543 | i++; |
| 544 | } |
| 545 | |
| 546 | urb->number_of_packets = i; |
| 547 | } |
| 548 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 549 | 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] | 550 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 551 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 552 | struct urb *urb; |
| 553 | unsigned char *buf; |
| 554 | unsigned int pipe; |
| 555 | int err, size; |
| 556 | |
| 557 | BT_DBG("%s", hdev->name); |
| 558 | |
| 559 | if (!data->isoc_rx_ep) |
| 560 | return -ENODEV; |
| 561 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 562 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 563 | if (!urb) |
| 564 | return -ENOMEM; |
| 565 | |
| 566 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * |
| 567 | BTUSB_MAX_ISOC_FRAMES; |
| 568 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 569 | buf = kmalloc(size, mem_flags); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 570 | if (!buf) { |
| 571 | usb_free_urb(urb); |
| 572 | return -ENOMEM; |
| 573 | } |
| 574 | |
| 575 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); |
| 576 | |
Bing Zhao | fa0fb93 | 2011-12-20 18:19:00 -0800 | [diff] [blame] | 577 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 578 | hdev, data->isoc_rx_ep->bInterval); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 579 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 580 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 581 | |
| 582 | __fill_isoc_descriptor(urb, size, |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 583 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 584 | |
| 585 | usb_anchor_urb(urb, &data->isoc_anchor); |
| 586 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 587 | err = usb_submit_urb(urb, mem_flags); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 588 | if (err < 0) { |
Paul Bolle | d4b8d1c | 2011-10-09 12:12:22 +0200 | [diff] [blame] | 589 | if (err != -EPERM && err != -ENODEV) |
| 590 | BT_ERR("%s urb %p submission failed (%d)", |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 591 | hdev->name, urb, -err); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 592 | usb_unanchor_urb(urb); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 593 | } |
| 594 | |
| 595 | usb_free_urb(urb); |
| 596 | |
| 597 | return err; |
| 598 | } |
| 599 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 600 | static void btusb_tx_complete(struct urb *urb) |
| 601 | { |
| 602 | struct sk_buff *skb = urb->context; |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 603 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 604 | struct btusb_data *data = hci_get_drvdata(hdev); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 605 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 606 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
| 607 | urb->actual_length); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 608 | |
| 609 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 610 | goto done; |
| 611 | |
| 612 | if (!urb->status) |
| 613 | hdev->stat.byte_tx += urb->transfer_buffer_length; |
| 614 | else |
| 615 | hdev->stat.err_tx++; |
| 616 | |
| 617 | done: |
| 618 | spin_lock(&data->txlock); |
| 619 | data->tx_in_flight--; |
| 620 | spin_unlock(&data->txlock); |
| 621 | |
| 622 | kfree(urb->setup_packet); |
| 623 | |
| 624 | kfree_skb(skb); |
| 625 | } |
| 626 | |
| 627 | static void btusb_isoc_tx_complete(struct urb *urb) |
| 628 | { |
| 629 | struct sk_buff *skb = urb->context; |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 630 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 631 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 632 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
| 633 | urb->actual_length); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 634 | |
| 635 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 636 | goto done; |
| 637 | |
| 638 | if (!urb->status) |
| 639 | hdev->stat.byte_tx += urb->transfer_buffer_length; |
| 640 | else |
| 641 | hdev->stat.err_tx++; |
| 642 | |
| 643 | done: |
| 644 | kfree(urb->setup_packet); |
| 645 | |
| 646 | kfree_skb(skb); |
| 647 | } |
| 648 | |
| 649 | static int btusb_open(struct hci_dev *hdev) |
| 650 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 651 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 652 | int err; |
| 653 | |
| 654 | BT_DBG("%s", hdev->name); |
| 655 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 656 | err = usb_autopm_get_interface(data->intf); |
| 657 | if (err < 0) |
| 658 | return err; |
| 659 | |
| 660 | data->intf->needs_remote_wakeup = 1; |
| 661 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 662 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 663 | goto done; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 664 | |
| 665 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 666 | goto done; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 667 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 668 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 669 | if (err < 0) |
| 670 | goto failed; |
| 671 | |
| 672 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 673 | if (err < 0) { |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 674 | usb_kill_anchored_urbs(&data->intr_anchor); |
| 675 | goto failed; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 676 | } |
| 677 | |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 678 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
| 679 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); |
| 680 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 681 | done: |
| 682 | usb_autopm_put_interface(data->intf); |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 683 | return 0; |
| 684 | |
| 685 | failed: |
| 686 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
| 687 | clear_bit(HCI_RUNNING, &hdev->flags); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 688 | usb_autopm_put_interface(data->intf); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 689 | return err; |
| 690 | } |
| 691 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 692 | static void btusb_stop_traffic(struct btusb_data *data) |
| 693 | { |
| 694 | usb_kill_anchored_urbs(&data->intr_anchor); |
| 695 | usb_kill_anchored_urbs(&data->bulk_anchor); |
| 696 | usb_kill_anchored_urbs(&data->isoc_anchor); |
| 697 | } |
| 698 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 699 | static int btusb_close(struct hci_dev *hdev) |
| 700 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 701 | struct btusb_data *data = hci_get_drvdata(hdev); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 702 | int err; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 703 | |
| 704 | BT_DBG("%s", hdev->name); |
| 705 | |
| 706 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) |
| 707 | return 0; |
| 708 | |
Marcel Holtmann | e8c3c3d | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 709 | cancel_work_sync(&data->work); |
Linus Torvalds | 404291a | 2009-11-11 13:32:29 -0800 | [diff] [blame] | 710 | cancel_work_sync(&data->waker); |
Marcel Holtmann | e8c3c3d | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 711 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 712 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 713 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 714 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 715 | |
| 716 | btusb_stop_traffic(data); |
| 717 | err = usb_autopm_get_interface(data->intf); |
| 718 | if (err < 0) |
Oliver Neukum | 7b8e2c1 | 2009-11-13 14:26:23 +0100 | [diff] [blame] | 719 | goto failed; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 720 | |
| 721 | data->intf->needs_remote_wakeup = 0; |
| 722 | usb_autopm_put_interface(data->intf); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 723 | |
Oliver Neukum | 7b8e2c1 | 2009-11-13 14:26:23 +0100 | [diff] [blame] | 724 | failed: |
| 725 | usb_scuttle_anchored_urbs(&data->deferred); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 726 | return 0; |
| 727 | } |
| 728 | |
| 729 | static int btusb_flush(struct hci_dev *hdev) |
| 730 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 731 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 732 | |
| 733 | BT_DBG("%s", hdev->name); |
| 734 | |
| 735 | usb_kill_anchored_urbs(&data->tx_anchor); |
| 736 | |
| 737 | return 0; |
| 738 | } |
| 739 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 740 | static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb) |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 741 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 742 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 743 | struct usb_ctrlrequest *dr; |
| 744 | struct urb *urb; |
| 745 | unsigned int pipe; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 746 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 747 | urb = usb_alloc_urb(0, GFP_KERNEL); |
| 748 | if (!urb) |
| 749 | return ERR_PTR(-ENOMEM); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 750 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 751 | dr = kmalloc(sizeof(*dr), GFP_KERNEL); |
| 752 | if (!dr) { |
| 753 | usb_free_urb(urb); |
| 754 | return ERR_PTR(-ENOMEM); |
| 755 | } |
| 756 | |
| 757 | dr->bRequestType = data->cmdreq_type; |
| 758 | dr->bRequest = 0; |
| 759 | dr->wIndex = 0; |
| 760 | dr->wValue = 0; |
| 761 | dr->wLength = __cpu_to_le16(skb->len); |
| 762 | |
| 763 | pipe = usb_sndctrlpipe(data->udev, 0x00); |
| 764 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 765 | usb_fill_control_urb(urb, data->udev, pipe, (void *)dr, |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 766 | skb->data, skb->len, btusb_tx_complete, skb); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 767 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 768 | skb->dev = (void *)hdev; |
Marcel Holtmann | 7bd8f09 | 2013-10-11 06:19:18 -0700 | [diff] [blame] | 769 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 770 | return urb; |
| 771 | } |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 772 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 773 | static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb) |
| 774 | { |
| 775 | struct btusb_data *data = hci_get_drvdata(hdev); |
| 776 | struct urb *urb; |
| 777 | unsigned int pipe; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 778 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 779 | if (!data->bulk_tx_ep) |
| 780 | return ERR_PTR(-ENODEV); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 781 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 782 | urb = usb_alloc_urb(0, GFP_KERNEL); |
| 783 | if (!urb) |
| 784 | return ERR_PTR(-ENOMEM); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 785 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 786 | pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 787 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 788 | usb_fill_bulk_urb(urb, data->udev, pipe, |
| 789 | skb->data, skb->len, btusb_tx_complete, skb); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 790 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 791 | skb->dev = (void *)hdev; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 792 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 793 | return urb; |
| 794 | } |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 795 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 796 | static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb) |
| 797 | { |
| 798 | struct btusb_data *data = hci_get_drvdata(hdev); |
| 799 | struct urb *urb; |
| 800 | unsigned int pipe; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 801 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 802 | if (!data->isoc_tx_ep) |
| 803 | return ERR_PTR(-ENODEV); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 804 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 805 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL); |
| 806 | if (!urb) |
| 807 | return ERR_PTR(-ENOMEM); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 808 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 809 | pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 810 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 811 | usb_fill_int_urb(urb, data->udev, pipe, |
| 812 | skb->data, skb->len, btusb_isoc_tx_complete, |
| 813 | skb, data->isoc_tx_ep->bInterval); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 814 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 815 | urb->transfer_flags = URB_ISO_ASAP; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 816 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 817 | __fill_isoc_descriptor(urb, skb->len, |
| 818 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 819 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 820 | skb->dev = (void *)hdev; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 821 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 822 | return urb; |
| 823 | } |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 824 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 825 | static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb) |
| 826 | { |
| 827 | struct btusb_data *data = hci_get_drvdata(hdev); |
| 828 | int err; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 829 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 830 | usb_anchor_urb(urb, &data->tx_anchor); |
| 831 | |
Johan Hedberg | e9753ef | 2014-09-14 08:49:34 +0300 | [diff] [blame] | 832 | err = usb_submit_urb(urb, GFP_KERNEL); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 833 | if (err < 0) { |
Paul Bolle | 5a9b80e | 2011-10-09 12:12:16 +0200 | [diff] [blame] | 834 | if (err != -EPERM && err != -ENODEV) |
| 835 | BT_ERR("%s urb %p submission failed (%d)", |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 836 | hdev->name, urb, -err); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 837 | kfree(urb->setup_packet); |
| 838 | usb_unanchor_urb(urb); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 839 | } else { |
| 840 | usb_mark_last_busy(data->udev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 841 | } |
| 842 | |
Cong Wang | 54a8a79c | 2011-11-22 09:32:57 +0800 | [diff] [blame] | 843 | usb_free_urb(urb); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 844 | return err; |
| 845 | } |
| 846 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 847 | static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb) |
| 848 | { |
| 849 | struct btusb_data *data = hci_get_drvdata(hdev); |
| 850 | unsigned long flags; |
| 851 | bool suspending; |
| 852 | |
| 853 | spin_lock_irqsave(&data->txlock, flags); |
| 854 | suspending = test_bit(BTUSB_SUSPENDING, &data->flags); |
| 855 | if (!suspending) |
| 856 | data->tx_in_flight++; |
| 857 | spin_unlock_irqrestore(&data->txlock, flags); |
| 858 | |
| 859 | if (!suspending) |
| 860 | return submit_tx_urb(hdev, urb); |
| 861 | |
| 862 | usb_anchor_urb(urb, &data->deferred); |
| 863 | schedule_work(&data->waker); |
| 864 | |
| 865 | usb_free_urb(urb); |
| 866 | return 0; |
| 867 | } |
| 868 | |
| 869 | static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) |
| 870 | { |
| 871 | struct urb *urb; |
| 872 | |
| 873 | BT_DBG("%s", hdev->name); |
| 874 | |
| 875 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 876 | return -EBUSY; |
| 877 | |
| 878 | switch (bt_cb(skb)->pkt_type) { |
| 879 | case HCI_COMMAND_PKT: |
| 880 | urb = alloc_ctrl_urb(hdev, skb); |
| 881 | if (IS_ERR(urb)) |
| 882 | return PTR_ERR(urb); |
| 883 | |
| 884 | hdev->stat.cmd_tx++; |
| 885 | return submit_or_queue_tx_urb(hdev, urb); |
| 886 | |
| 887 | case HCI_ACLDATA_PKT: |
| 888 | urb = alloc_bulk_urb(hdev, skb); |
| 889 | if (IS_ERR(urb)) |
| 890 | return PTR_ERR(urb); |
| 891 | |
| 892 | hdev->stat.acl_tx++; |
| 893 | return submit_or_queue_tx_urb(hdev, urb); |
| 894 | |
| 895 | case HCI_SCODATA_PKT: |
| 896 | if (hci_conn_num(hdev, SCO_LINK) < 1) |
| 897 | return -ENODEV; |
| 898 | |
| 899 | urb = alloc_isoc_urb(hdev, skb); |
| 900 | if (IS_ERR(urb)) |
| 901 | return PTR_ERR(urb); |
| 902 | |
| 903 | hdev->stat.sco_tx++; |
| 904 | return submit_tx_urb(hdev, urb); |
| 905 | } |
| 906 | |
| 907 | return -EILSEQ; |
| 908 | } |
| 909 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 910 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
| 911 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 912 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 913 | |
| 914 | BT_DBG("%s evt %d", hdev->name, evt); |
| 915 | |
Marcel Holtmann | 014f7bc | 2013-10-10 09:47:55 -0700 | [diff] [blame] | 916 | if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { |
| 917 | data->sco_num = hci_conn_num(hdev, SCO_LINK); |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 918 | schedule_work(&data->work); |
Marcel Holtmann | a780efa | 2008-11-30 12:17:12 +0100 | [diff] [blame] | 919 | } |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 920 | } |
| 921 | |
Jesper Juhl | 42b16b3 | 2011-01-17 00:09:38 +0100 | [diff] [blame] | 922 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 923 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 924 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 925 | struct usb_interface *intf = data->isoc; |
| 926 | struct usb_endpoint_descriptor *ep_desc; |
| 927 | int i, err; |
| 928 | |
| 929 | if (!data->isoc) |
| 930 | return -ENODEV; |
| 931 | |
| 932 | err = usb_set_interface(data->udev, 1, altsetting); |
| 933 | if (err < 0) { |
| 934 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); |
| 935 | return err; |
| 936 | } |
| 937 | |
| 938 | data->isoc_altsetting = altsetting; |
| 939 | |
| 940 | data->isoc_tx_ep = NULL; |
| 941 | data->isoc_rx_ep = NULL; |
| 942 | |
| 943 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { |
| 944 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; |
| 945 | |
| 946 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { |
| 947 | data->isoc_tx_ep = ep_desc; |
| 948 | continue; |
| 949 | } |
| 950 | |
| 951 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { |
| 952 | data->isoc_rx_ep = ep_desc; |
| 953 | continue; |
| 954 | } |
| 955 | } |
| 956 | |
| 957 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { |
| 958 | BT_ERR("%s invalid SCO descriptors", hdev->name); |
| 959 | return -ENODEV; |
| 960 | } |
| 961 | |
| 962 | return 0; |
| 963 | } |
| 964 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 965 | static void btusb_work(struct work_struct *work) |
| 966 | { |
| 967 | struct btusb_data *data = container_of(work, struct btusb_data, work); |
| 968 | struct hci_dev *hdev = data->hdev; |
Mikel Astiz | f4001d2 | 2012-04-11 08:48:51 +0200 | [diff] [blame] | 969 | int new_alts; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 970 | int err; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 971 | |
Marcel Holtmann | 014f7bc | 2013-10-10 09:47:55 -0700 | [diff] [blame] | 972 | if (data->sco_num > 0) { |
Gustavo F. Padovan | 08b8b6c | 2010-07-16 17:20:33 -0300 | [diff] [blame] | 973 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
Oliver Neukum | 8efdd0c | 2011-02-11 13:00:06 +0100 | [diff] [blame] | 974 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 975 | if (err < 0) { |
| 976 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 977 | usb_kill_anchored_urbs(&data->isoc_anchor); |
| 978 | return; |
| 979 | } |
| 980 | |
Gustavo F. Padovan | 08b8b6c | 2010-07-16 17:20:33 -0300 | [diff] [blame] | 981 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 982 | } |
Mikel Astiz | f4001d2 | 2012-04-11 08:48:51 +0200 | [diff] [blame] | 983 | |
| 984 | if (hdev->voice_setting & 0x0020) { |
| 985 | static const int alts[3] = { 2, 4, 5 }; |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 986 | |
Marcel Holtmann | 014f7bc | 2013-10-10 09:47:55 -0700 | [diff] [blame] | 987 | new_alts = alts[data->sco_num - 1]; |
Mikel Astiz | f4001d2 | 2012-04-11 08:48:51 +0200 | [diff] [blame] | 988 | } else { |
Marcel Holtmann | 014f7bc | 2013-10-10 09:47:55 -0700 | [diff] [blame] | 989 | new_alts = data->sco_num; |
Mikel Astiz | f4001d2 | 2012-04-11 08:48:51 +0200 | [diff] [blame] | 990 | } |
| 991 | |
| 992 | if (data->isoc_altsetting != new_alts) { |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 993 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 994 | usb_kill_anchored_urbs(&data->isoc_anchor); |
| 995 | |
Mikel Astiz | f4001d2 | 2012-04-11 08:48:51 +0200 | [diff] [blame] | 996 | if (__set_isoc_interface(hdev, new_alts) < 0) |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 997 | return; |
| 998 | } |
| 999 | |
| 1000 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 1001 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1002 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 1003 | else |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 1004 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1005 | } |
| 1006 | } else { |
| 1007 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 1008 | usb_kill_anchored_urbs(&data->isoc_anchor); |
| 1009 | |
| 1010 | __set_isoc_interface(hdev, 0); |
Gustavo F. Padovan | 08b8b6c | 2010-07-16 17:20:33 -0300 | [diff] [blame] | 1011 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
Oliver Neukum | 8efdd0c | 2011-02-11 13:00:06 +0100 | [diff] [blame] | 1012 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1013 | } |
| 1014 | } |
| 1015 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1016 | static void btusb_waker(struct work_struct *work) |
| 1017 | { |
| 1018 | struct btusb_data *data = container_of(work, struct btusb_data, waker); |
| 1019 | int err; |
| 1020 | |
| 1021 | err = usb_autopm_get_interface(data->intf); |
| 1022 | if (err < 0) |
| 1023 | return; |
| 1024 | |
| 1025 | usb_autopm_put_interface(data->intf); |
| 1026 | } |
| 1027 | |
Marcel Holtmann | 9f8f962 | 2013-04-10 08:11:35 -0700 | [diff] [blame] | 1028 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
| 1029 | { |
| 1030 | struct sk_buff *skb; |
| 1031 | u8 val = 0x00; |
| 1032 | |
| 1033 | BT_DBG("%s", hdev->name); |
| 1034 | |
| 1035 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); |
| 1036 | if (IS_ERR(skb)) |
| 1037 | BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb)); |
| 1038 | else |
| 1039 | kfree_skb(skb); |
| 1040 | |
| 1041 | return 0; |
| 1042 | } |
| 1043 | |
Marcel Holtmann | 81cac64 | 2014-01-03 03:02:36 -0800 | [diff] [blame] | 1044 | static int btusb_setup_csr(struct hci_dev *hdev) |
| 1045 | { |
| 1046 | struct hci_rp_read_local_version *rp; |
| 1047 | struct sk_buff *skb; |
| 1048 | int ret; |
| 1049 | |
| 1050 | BT_DBG("%s", hdev->name); |
| 1051 | |
| 1052 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, |
| 1053 | HCI_INIT_TIMEOUT); |
| 1054 | if (IS_ERR(skb)) { |
| 1055 | BT_ERR("Reading local version failed (%ld)", -PTR_ERR(skb)); |
| 1056 | return -PTR_ERR(skb); |
| 1057 | } |
| 1058 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 1059 | rp = (struct hci_rp_read_local_version *)skb->data; |
Marcel Holtmann | 81cac64 | 2014-01-03 03:02:36 -0800 | [diff] [blame] | 1060 | |
| 1061 | if (!rp->status) { |
| 1062 | if (le16_to_cpu(rp->manufacturer) != 10) { |
| 1063 | /* Clear the reset quirk since this is not an actual |
| 1064 | * early Bluetooth 1.1 device from CSR. |
| 1065 | */ |
| 1066 | clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
| 1067 | |
| 1068 | /* These fake CSR controllers have all a broken |
| 1069 | * stored link key handling and so just disable it. |
| 1070 | */ |
| 1071 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, |
| 1072 | &hdev->quirks); |
| 1073 | } |
| 1074 | } |
| 1075 | |
| 1076 | ret = -bt_to_errno(rp->status); |
| 1077 | |
| 1078 | kfree_skb(skb); |
| 1079 | |
| 1080 | return ret; |
| 1081 | } |
| 1082 | |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1083 | struct intel_version { |
| 1084 | u8 status; |
| 1085 | u8 hw_platform; |
| 1086 | u8 hw_variant; |
| 1087 | u8 hw_revision; |
| 1088 | u8 fw_variant; |
| 1089 | u8 fw_revision; |
| 1090 | u8 fw_build_num; |
| 1091 | u8 fw_build_ww; |
| 1092 | u8 fw_build_yy; |
| 1093 | u8 fw_patch_num; |
| 1094 | } __packed; |
| 1095 | |
| 1096 | static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 1097 | struct intel_version *ver) |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1098 | { |
| 1099 | const struct firmware *fw; |
| 1100 | char fwname[64]; |
| 1101 | int ret; |
| 1102 | |
| 1103 | snprintf(fwname, sizeof(fwname), |
| 1104 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", |
| 1105 | ver->hw_platform, ver->hw_variant, ver->hw_revision, |
| 1106 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, |
| 1107 | ver->fw_build_ww, ver->fw_build_yy); |
| 1108 | |
| 1109 | ret = request_firmware(&fw, fwname, &hdev->dev); |
| 1110 | if (ret < 0) { |
| 1111 | if (ret == -EINVAL) { |
| 1112 | BT_ERR("%s Intel firmware file request failed (%d)", |
| 1113 | hdev->name, ret); |
| 1114 | return NULL; |
| 1115 | } |
| 1116 | |
| 1117 | BT_ERR("%s failed to open Intel firmware file: %s(%d)", |
| 1118 | hdev->name, fwname, ret); |
| 1119 | |
| 1120 | /* If the correct firmware patch file is not found, use the |
| 1121 | * default firmware patch file instead |
| 1122 | */ |
| 1123 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", |
| 1124 | ver->hw_platform, ver->hw_variant); |
| 1125 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { |
| 1126 | BT_ERR("%s failed to open default Intel fw file: %s", |
| 1127 | hdev->name, fwname); |
| 1128 | return NULL; |
| 1129 | } |
| 1130 | } |
| 1131 | |
| 1132 | BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname); |
| 1133 | |
| 1134 | return fw; |
| 1135 | } |
| 1136 | |
| 1137 | static int btusb_setup_intel_patching(struct hci_dev *hdev, |
| 1138 | const struct firmware *fw, |
| 1139 | const u8 **fw_ptr, int *disable_patch) |
| 1140 | { |
| 1141 | struct sk_buff *skb; |
| 1142 | struct hci_command_hdr *cmd; |
| 1143 | const u8 *cmd_param; |
| 1144 | struct hci_event_hdr *evt = NULL; |
| 1145 | const u8 *evt_param = NULL; |
| 1146 | int remain = fw->size - (*fw_ptr - fw->data); |
| 1147 | |
| 1148 | /* The first byte indicates the types of the patch command or event. |
| 1149 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes |
| 1150 | * in the current firmware buffer doesn't start with 0x01 or |
| 1151 | * the size of remain buffer is smaller than HCI command header, |
| 1152 | * the firmware file is corrupted and it should stop the patching |
| 1153 | * process. |
| 1154 | */ |
| 1155 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { |
| 1156 | BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name); |
| 1157 | return -EINVAL; |
| 1158 | } |
| 1159 | (*fw_ptr)++; |
| 1160 | remain--; |
| 1161 | |
| 1162 | cmd = (struct hci_command_hdr *)(*fw_ptr); |
| 1163 | *fw_ptr += sizeof(*cmd); |
| 1164 | remain -= sizeof(*cmd); |
| 1165 | |
| 1166 | /* Ensure that the remain firmware data is long enough than the length |
| 1167 | * of command parameter. If not, the firmware file is corrupted. |
| 1168 | */ |
| 1169 | if (remain < cmd->plen) { |
| 1170 | BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name); |
| 1171 | return -EFAULT; |
| 1172 | } |
| 1173 | |
| 1174 | /* If there is a command that loads a patch in the firmware |
| 1175 | * file, then enable the patch upon success, otherwise just |
| 1176 | * disable the manufacturer mode, for example patch activation |
| 1177 | * is not required when the default firmware patch file is used |
| 1178 | * because there are no patch data to load. |
| 1179 | */ |
| 1180 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) |
| 1181 | *disable_patch = 0; |
| 1182 | |
| 1183 | cmd_param = *fw_ptr; |
| 1184 | *fw_ptr += cmd->plen; |
| 1185 | remain -= cmd->plen; |
| 1186 | |
| 1187 | /* This reads the expected events when the above command is sent to the |
| 1188 | * device. Some vendor commands expects more than one events, for |
| 1189 | * example command status event followed by vendor specific event. |
| 1190 | * For this case, it only keeps the last expected event. so the command |
| 1191 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of |
| 1192 | * last expected event. |
| 1193 | */ |
| 1194 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { |
| 1195 | (*fw_ptr)++; |
| 1196 | remain--; |
| 1197 | |
| 1198 | evt = (struct hci_event_hdr *)(*fw_ptr); |
| 1199 | *fw_ptr += sizeof(*evt); |
| 1200 | remain -= sizeof(*evt); |
| 1201 | |
| 1202 | if (remain < evt->plen) { |
| 1203 | BT_ERR("%s Intel fw corrupted: invalid evt len", |
| 1204 | hdev->name); |
| 1205 | return -EFAULT; |
| 1206 | } |
| 1207 | |
| 1208 | evt_param = *fw_ptr; |
| 1209 | *fw_ptr += evt->plen; |
| 1210 | remain -= evt->plen; |
| 1211 | } |
| 1212 | |
| 1213 | /* Every HCI commands in the firmware file has its correspond event. |
| 1214 | * If event is not found or remain is smaller than zero, the firmware |
| 1215 | * file is corrupted. |
| 1216 | */ |
| 1217 | if (!evt || !evt_param || remain < 0) { |
| 1218 | BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name); |
| 1219 | return -EFAULT; |
| 1220 | } |
| 1221 | |
| 1222 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, |
| 1223 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); |
| 1224 | if (IS_ERR(skb)) { |
| 1225 | BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)", |
| 1226 | hdev->name, cmd->opcode, 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 | /* It ensures that the returned event matches the event data read from |
| 1231 | * the firmware file. At fist, it checks the length and then |
| 1232 | * the contents of the event. |
| 1233 | */ |
| 1234 | if (skb->len != evt->plen) { |
| 1235 | BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name, |
| 1236 | le16_to_cpu(cmd->opcode)); |
| 1237 | kfree_skb(skb); |
| 1238 | return -EFAULT; |
| 1239 | } |
| 1240 | |
| 1241 | if (memcmp(skb->data, evt_param, evt->plen)) { |
| 1242 | BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)", |
| 1243 | hdev->name, le16_to_cpu(cmd->opcode)); |
| 1244 | kfree_skb(skb); |
| 1245 | return -EFAULT; |
| 1246 | } |
| 1247 | kfree_skb(skb); |
| 1248 | |
| 1249 | return 0; |
| 1250 | } |
| 1251 | |
Marcel Holtmann | 40cb098 | 2014-07-02 12:06:45 +0200 | [diff] [blame] | 1252 | #define BDADDR_INTEL (&(bdaddr_t) {{0x00, 0x8b, 0x9e, 0x19, 0x03, 0x00}}) |
| 1253 | |
| 1254 | static int btusb_check_bdaddr_intel(struct hci_dev *hdev) |
| 1255 | { |
| 1256 | struct sk_buff *skb; |
| 1257 | struct hci_rp_read_bd_addr *rp; |
| 1258 | |
| 1259 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL, |
| 1260 | HCI_INIT_TIMEOUT); |
| 1261 | if (IS_ERR(skb)) { |
| 1262 | BT_ERR("%s reading Intel device address failed (%ld)", |
| 1263 | hdev->name, PTR_ERR(skb)); |
| 1264 | return PTR_ERR(skb); |
| 1265 | } |
| 1266 | |
| 1267 | if (skb->len != sizeof(*rp)) { |
| 1268 | BT_ERR("%s Intel device address length mismatch", hdev->name); |
| 1269 | kfree_skb(skb); |
| 1270 | return -EIO; |
| 1271 | } |
| 1272 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 1273 | rp = (struct hci_rp_read_bd_addr *)skb->data; |
Marcel Holtmann | 40cb098 | 2014-07-02 12:06:45 +0200 | [diff] [blame] | 1274 | if (rp->status) { |
| 1275 | BT_ERR("%s Intel device address result failed (%02x)", |
| 1276 | hdev->name, rp->status); |
| 1277 | kfree_skb(skb); |
| 1278 | return -bt_to_errno(rp->status); |
| 1279 | } |
| 1280 | |
| 1281 | /* For some Intel based controllers, the default Bluetooth device |
| 1282 | * address 00:03:19:9E:8B:00 can be found. These controllers are |
| 1283 | * fully operational, but have the danger of duplicate addresses |
| 1284 | * and that in turn can cause problems with Bluetooth operation. |
| 1285 | */ |
Marcel Holtmann | 4739b5b | 2014-07-04 16:54:38 +0200 | [diff] [blame] | 1286 | if (!bacmp(&rp->bdaddr, BDADDR_INTEL)) { |
Marcel Holtmann | 40cb098 | 2014-07-02 12:06:45 +0200 | [diff] [blame] | 1287 | BT_ERR("%s found Intel default device address (%pMR)", |
| 1288 | hdev->name, &rp->bdaddr); |
Marcel Holtmann | 4739b5b | 2014-07-04 16:54:38 +0200 | [diff] [blame] | 1289 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); |
| 1290 | } |
Marcel Holtmann | 40cb098 | 2014-07-02 12:06:45 +0200 | [diff] [blame] | 1291 | |
| 1292 | kfree_skb(skb); |
| 1293 | |
| 1294 | return 0; |
| 1295 | } |
| 1296 | |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1297 | static int btusb_setup_intel(struct hci_dev *hdev) |
| 1298 | { |
| 1299 | struct sk_buff *skb; |
| 1300 | const struct firmware *fw; |
| 1301 | const u8 *fw_ptr; |
| 1302 | int disable_patch; |
| 1303 | struct intel_version *ver; |
| 1304 | |
| 1305 | const u8 mfg_enable[] = { 0x01, 0x00 }; |
| 1306 | const u8 mfg_disable[] = { 0x00, 0x00 }; |
| 1307 | const u8 mfg_reset_deactivate[] = { 0x00, 0x01 }; |
| 1308 | const u8 mfg_reset_activate[] = { 0x00, 0x02 }; |
| 1309 | |
| 1310 | BT_DBG("%s", hdev->name); |
| 1311 | |
| 1312 | /* The controller has a bug with the first HCI command sent to it |
| 1313 | * returning number of completed commands as zero. This would stall the |
| 1314 | * command processing in the Bluetooth core. |
| 1315 | * |
| 1316 | * As a workaround, send HCI Reset command first which will reset the |
| 1317 | * number of completed commands and allow normal command processing |
| 1318 | * from now on. |
| 1319 | */ |
| 1320 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); |
| 1321 | if (IS_ERR(skb)) { |
| 1322 | BT_ERR("%s sending initial HCI reset command failed (%ld)", |
| 1323 | hdev->name, PTR_ERR(skb)); |
Adam Lee | d9c78e9 | 2013-07-10 10:02:12 +0800 | [diff] [blame] | 1324 | return PTR_ERR(skb); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1325 | } |
| 1326 | kfree_skb(skb); |
| 1327 | |
| 1328 | /* Read Intel specific controller version first to allow selection of |
| 1329 | * which firmware file to load. |
| 1330 | * |
| 1331 | * The returned information are hardware variant and revision plus |
| 1332 | * firmware variant, revision and build number. |
| 1333 | */ |
| 1334 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); |
| 1335 | if (IS_ERR(skb)) { |
| 1336 | BT_ERR("%s reading Intel fw version command failed (%ld)", |
| 1337 | hdev->name, PTR_ERR(skb)); |
Adam Lee | d9c78e9 | 2013-07-10 10:02:12 +0800 | [diff] [blame] | 1338 | return PTR_ERR(skb); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1339 | } |
| 1340 | |
| 1341 | if (skb->len != sizeof(*ver)) { |
| 1342 | BT_ERR("%s Intel version event length mismatch", hdev->name); |
| 1343 | kfree_skb(skb); |
| 1344 | return -EIO; |
| 1345 | } |
| 1346 | |
| 1347 | ver = (struct intel_version *)skb->data; |
| 1348 | if (ver->status) { |
| 1349 | BT_ERR("%s Intel fw version event failed (%02x)", hdev->name, |
| 1350 | ver->status); |
| 1351 | kfree_skb(skb); |
| 1352 | return -bt_to_errno(ver->status); |
| 1353 | } |
| 1354 | |
| 1355 | BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", |
| 1356 | hdev->name, ver->hw_platform, ver->hw_variant, |
| 1357 | ver->hw_revision, ver->fw_variant, ver->fw_revision, |
| 1358 | ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy, |
| 1359 | ver->fw_patch_num); |
| 1360 | |
| 1361 | /* fw_patch_num indicates the version of patch the device currently |
| 1362 | * have. If there is no patch data in the device, it is always 0x00. |
| 1363 | * So, if it is other than 0x00, no need to patch the deivce again. |
| 1364 | */ |
| 1365 | if (ver->fw_patch_num) { |
| 1366 | BT_INFO("%s: Intel device is already patched. patch num: %02x", |
| 1367 | hdev->name, ver->fw_patch_num); |
| 1368 | kfree_skb(skb); |
Marcel Holtmann | 40cb098 | 2014-07-02 12:06:45 +0200 | [diff] [blame] | 1369 | btusb_check_bdaddr_intel(hdev); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1370 | return 0; |
| 1371 | } |
| 1372 | |
| 1373 | /* Opens the firmware patch file based on the firmware version read |
| 1374 | * from the controller. If it fails to open the matching firmware |
| 1375 | * patch file, it tries to open the default firmware patch file. |
| 1376 | * If no patch file is found, allow the device to operate without |
| 1377 | * a patch. |
| 1378 | */ |
| 1379 | fw = btusb_setup_intel_get_fw(hdev, ver); |
| 1380 | if (!fw) { |
| 1381 | kfree_skb(skb); |
Marcel Holtmann | 40cb098 | 2014-07-02 12:06:45 +0200 | [diff] [blame] | 1382 | btusb_check_bdaddr_intel(hdev); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1383 | return 0; |
| 1384 | } |
| 1385 | fw_ptr = fw->data; |
| 1386 | |
| 1387 | /* This Intel specific command enables the manufacturer mode of the |
| 1388 | * controller. |
| 1389 | * |
| 1390 | * Only while this mode is enabled, the driver can download the |
| 1391 | * firmware patch data and configuration parameters. |
| 1392 | */ |
| 1393 | skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT); |
| 1394 | if (IS_ERR(skb)) { |
| 1395 | BT_ERR("%s entering Intel manufacturer mode failed (%ld)", |
| 1396 | hdev->name, PTR_ERR(skb)); |
| 1397 | release_firmware(fw); |
Adam Lee | d9c78e9 | 2013-07-10 10:02:12 +0800 | [diff] [blame] | 1398 | return PTR_ERR(skb); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1399 | } |
| 1400 | |
| 1401 | if (skb->data[0]) { |
| 1402 | u8 evt_status = skb->data[0]; |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 1403 | |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1404 | BT_ERR("%s enable Intel manufacturer mode event failed (%02x)", |
| 1405 | hdev->name, evt_status); |
| 1406 | kfree_skb(skb); |
| 1407 | release_firmware(fw); |
| 1408 | return -bt_to_errno(evt_status); |
| 1409 | } |
| 1410 | kfree_skb(skb); |
| 1411 | |
| 1412 | disable_patch = 1; |
| 1413 | |
| 1414 | /* The firmware data file consists of list of Intel specific HCI |
| 1415 | * commands and its expected events. The first byte indicates the |
| 1416 | * type of the message, either HCI command or HCI event. |
| 1417 | * |
| 1418 | * It reads the command and its expected event from the firmware file, |
| 1419 | * and send to the controller. Once __hci_cmd_sync_ev() returns, |
| 1420 | * the returned event is compared with the event read from the firmware |
| 1421 | * file and it will continue until all the messages are downloaded to |
| 1422 | * the controller. |
| 1423 | * |
| 1424 | * Once the firmware patching is completed successfully, |
| 1425 | * the manufacturer mode is disabled with reset and activating the |
| 1426 | * downloaded patch. |
| 1427 | * |
| 1428 | * If the firmware patching fails, the manufacturer mode is |
| 1429 | * disabled with reset and deactivating the patch. |
| 1430 | * |
| 1431 | * If the default patch file is used, no reset is done when disabling |
| 1432 | * the manufacturer. |
| 1433 | */ |
| 1434 | while (fw->size > fw_ptr - fw->data) { |
| 1435 | int ret; |
| 1436 | |
| 1437 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, |
| 1438 | &disable_patch); |
| 1439 | if (ret < 0) |
| 1440 | goto exit_mfg_deactivate; |
| 1441 | } |
| 1442 | |
| 1443 | release_firmware(fw); |
| 1444 | |
| 1445 | if (disable_patch) |
| 1446 | goto exit_mfg_disable; |
| 1447 | |
| 1448 | /* Patching completed successfully and disable the manufacturer mode |
| 1449 | * with reset and activate the downloaded firmware patches. |
| 1450 | */ |
| 1451 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate), |
| 1452 | mfg_reset_activate, HCI_INIT_TIMEOUT); |
| 1453 | if (IS_ERR(skb)) { |
| 1454 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", |
| 1455 | hdev->name, PTR_ERR(skb)); |
Adam Lee | d9c78e9 | 2013-07-10 10:02:12 +0800 | [diff] [blame] | 1456 | return PTR_ERR(skb); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1457 | } |
| 1458 | kfree_skb(skb); |
| 1459 | |
| 1460 | BT_INFO("%s: Intel Bluetooth firmware patch completed and activated", |
| 1461 | hdev->name); |
| 1462 | |
Marcel Holtmann | 40cb098 | 2014-07-02 12:06:45 +0200 | [diff] [blame] | 1463 | btusb_check_bdaddr_intel(hdev); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1464 | return 0; |
| 1465 | |
| 1466 | exit_mfg_disable: |
| 1467 | /* Disable the manufacturer mode without reset */ |
| 1468 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable, |
| 1469 | HCI_INIT_TIMEOUT); |
| 1470 | if (IS_ERR(skb)) { |
| 1471 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", |
| 1472 | hdev->name, PTR_ERR(skb)); |
Adam Lee | d9c78e9 | 2013-07-10 10:02:12 +0800 | [diff] [blame] | 1473 | return PTR_ERR(skb); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1474 | } |
| 1475 | kfree_skb(skb); |
| 1476 | |
| 1477 | BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name); |
Marcel Holtmann | 40cb098 | 2014-07-02 12:06:45 +0200 | [diff] [blame] | 1478 | |
| 1479 | btusb_check_bdaddr_intel(hdev); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1480 | return 0; |
| 1481 | |
| 1482 | exit_mfg_deactivate: |
| 1483 | release_firmware(fw); |
| 1484 | |
| 1485 | /* Patching failed. Disable the manufacturer mode with reset and |
| 1486 | * deactivate the downloaded firmware patches. |
| 1487 | */ |
| 1488 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate), |
| 1489 | mfg_reset_deactivate, HCI_INIT_TIMEOUT); |
| 1490 | if (IS_ERR(skb)) { |
| 1491 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", |
| 1492 | hdev->name, PTR_ERR(skb)); |
Adam Lee | d9c78e9 | 2013-07-10 10:02:12 +0800 | [diff] [blame] | 1493 | return PTR_ERR(skb); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1494 | } |
| 1495 | kfree_skb(skb); |
| 1496 | |
| 1497 | BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated", |
| 1498 | hdev->name); |
| 1499 | |
Marcel Holtmann | 40cb098 | 2014-07-02 12:06:45 +0200 | [diff] [blame] | 1500 | btusb_check_bdaddr_intel(hdev); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1501 | return 0; |
| 1502 | } |
| 1503 | |
Marcel Holtmann | cb8d659 | 2014-07-02 11:25:25 +0200 | [diff] [blame] | 1504 | static int btusb_set_bdaddr_intel(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
| 1505 | { |
| 1506 | struct sk_buff *skb; |
| 1507 | long ret; |
| 1508 | |
| 1509 | skb = __hci_cmd_sync(hdev, 0xfc31, 6, bdaddr, HCI_INIT_TIMEOUT); |
| 1510 | if (IS_ERR(skb)) { |
| 1511 | ret = PTR_ERR(skb); |
| 1512 | BT_ERR("%s: changing Intel device address failed (%ld)", |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 1513 | hdev->name, ret); |
Marcel Holtmann | cb8d659 | 2014-07-02 11:25:25 +0200 | [diff] [blame] | 1514 | return ret; |
| 1515 | } |
| 1516 | kfree_skb(skb); |
| 1517 | |
| 1518 | return 0; |
| 1519 | } |
| 1520 | |
Amitkumar Karwar | ae8df49 | 2014-07-18 14:47:06 -0700 | [diff] [blame] | 1521 | static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, |
| 1522 | const bdaddr_t *bdaddr) |
| 1523 | { |
| 1524 | struct sk_buff *skb; |
| 1525 | u8 buf[8]; |
| 1526 | long ret; |
| 1527 | |
| 1528 | buf[0] = 0xfe; |
| 1529 | buf[1] = sizeof(bdaddr_t); |
| 1530 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); |
| 1531 | |
| 1532 | skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT); |
| 1533 | if (IS_ERR(skb)) { |
| 1534 | ret = PTR_ERR(skb); |
| 1535 | BT_ERR("%s: changing Marvell device address failed (%ld)", |
| 1536 | hdev->name, ret); |
| 1537 | return ret; |
| 1538 | } |
| 1539 | kfree_skb(skb); |
| 1540 | |
| 1541 | return 0; |
| 1542 | } |
| 1543 | |
Marcel Holtmann | c8abb73 | 2014-07-02 12:38:22 +0200 | [diff] [blame] | 1544 | #define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}}) |
| 1545 | |
Petri Gynther | 10d4c67 | 2014-05-08 15:50:01 -0700 | [diff] [blame] | 1546 | static int btusb_setup_bcm_patchram(struct hci_dev *hdev) |
| 1547 | { |
| 1548 | struct btusb_data *data = hci_get_drvdata(hdev); |
| 1549 | struct usb_device *udev = data->udev; |
| 1550 | char fw_name[64]; |
| 1551 | const struct firmware *fw; |
| 1552 | const u8 *fw_ptr; |
| 1553 | size_t fw_size; |
| 1554 | const struct hci_command_hdr *cmd; |
| 1555 | const u8 *cmd_param; |
| 1556 | u16 opcode; |
| 1557 | struct sk_buff *skb; |
| 1558 | struct hci_rp_read_local_version *ver; |
Marcel Holtmann | c8abb73 | 2014-07-02 12:38:22 +0200 | [diff] [blame] | 1559 | struct hci_rp_read_bd_addr *bda; |
Petri Gynther | 10d4c67 | 2014-05-08 15:50:01 -0700 | [diff] [blame] | 1560 | long ret; |
| 1561 | |
| 1562 | snprintf(fw_name, sizeof(fw_name), "brcm/%s-%04x-%04x.hcd", |
| 1563 | udev->product ? udev->product : "BCM", |
| 1564 | le16_to_cpu(udev->descriptor.idVendor), |
| 1565 | le16_to_cpu(udev->descriptor.idProduct)); |
| 1566 | |
| 1567 | ret = request_firmware(&fw, fw_name, &hdev->dev); |
| 1568 | if (ret < 0) { |
Marcel Holtmann | c8abb73 | 2014-07-02 12:38:22 +0200 | [diff] [blame] | 1569 | BT_INFO("%s: BCM: patch %s not found", hdev->name, fw_name); |
Petri Gynther | 10d4c67 | 2014-05-08 15:50:01 -0700 | [diff] [blame] | 1570 | return 0; |
| 1571 | } |
| 1572 | |
| 1573 | /* Reset */ |
| 1574 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); |
| 1575 | if (IS_ERR(skb)) { |
| 1576 | ret = PTR_ERR(skb); |
| 1577 | BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev->name, ret); |
| 1578 | goto done; |
| 1579 | } |
| 1580 | kfree_skb(skb); |
| 1581 | |
| 1582 | /* Read Local Version Info */ |
| 1583 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, |
| 1584 | HCI_INIT_TIMEOUT); |
| 1585 | if (IS_ERR(skb)) { |
| 1586 | ret = PTR_ERR(skb); |
| 1587 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)", |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 1588 | hdev->name, ret); |
Petri Gynther | 10d4c67 | 2014-05-08 15:50:01 -0700 | [diff] [blame] | 1589 | goto done; |
| 1590 | } |
| 1591 | |
| 1592 | if (skb->len != sizeof(*ver)) { |
| 1593 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch", |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 1594 | hdev->name); |
Petri Gynther | 10d4c67 | 2014-05-08 15:50:01 -0700 | [diff] [blame] | 1595 | kfree_skb(skb); |
| 1596 | ret = -EIO; |
| 1597 | goto done; |
| 1598 | } |
| 1599 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 1600 | ver = (struct hci_rp_read_local_version *)skb->data; |
Petri Gynther | 10d4c67 | 2014-05-08 15:50:01 -0700 | [diff] [blame] | 1601 | BT_INFO("%s: BCM: patching hci_ver=%02x hci_rev=%04x lmp_ver=%02x " |
| 1602 | "lmp_subver=%04x", hdev->name, ver->hci_ver, ver->hci_rev, |
| 1603 | ver->lmp_ver, ver->lmp_subver); |
| 1604 | kfree_skb(skb); |
| 1605 | |
| 1606 | /* Start Download */ |
| 1607 | skb = __hci_cmd_sync(hdev, 0xfc2e, 0, NULL, HCI_INIT_TIMEOUT); |
| 1608 | if (IS_ERR(skb)) { |
| 1609 | ret = PTR_ERR(skb); |
| 1610 | BT_ERR("%s: BCM: Download Minidrv command failed (%ld)", |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 1611 | hdev->name, ret); |
Petri Gynther | 10d4c67 | 2014-05-08 15:50:01 -0700 | [diff] [blame] | 1612 | goto reset_fw; |
| 1613 | } |
| 1614 | kfree_skb(skb); |
| 1615 | |
| 1616 | /* 50 msec delay after Download Minidrv completes */ |
| 1617 | msleep(50); |
| 1618 | |
| 1619 | fw_ptr = fw->data; |
| 1620 | fw_size = fw->size; |
| 1621 | |
| 1622 | while (fw_size >= sizeof(*cmd)) { |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 1623 | cmd = (struct hci_command_hdr *)fw_ptr; |
Petri Gynther | 10d4c67 | 2014-05-08 15:50:01 -0700 | [diff] [blame] | 1624 | fw_ptr += sizeof(*cmd); |
| 1625 | fw_size -= sizeof(*cmd); |
| 1626 | |
| 1627 | if (fw_size < cmd->plen) { |
| 1628 | BT_ERR("%s: BCM: patch %s is corrupted", |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 1629 | hdev->name, fw_name); |
Petri Gynther | 10d4c67 | 2014-05-08 15:50:01 -0700 | [diff] [blame] | 1630 | ret = -EINVAL; |
| 1631 | goto reset_fw; |
| 1632 | } |
| 1633 | |
| 1634 | cmd_param = fw_ptr; |
| 1635 | fw_ptr += cmd->plen; |
| 1636 | fw_size -= cmd->plen; |
| 1637 | |
| 1638 | opcode = le16_to_cpu(cmd->opcode); |
| 1639 | |
| 1640 | skb = __hci_cmd_sync(hdev, opcode, cmd->plen, cmd_param, |
| 1641 | HCI_INIT_TIMEOUT); |
| 1642 | if (IS_ERR(skb)) { |
| 1643 | ret = PTR_ERR(skb); |
| 1644 | BT_ERR("%s: BCM: patch command %04x failed (%ld)", |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 1645 | hdev->name, opcode, ret); |
Petri Gynther | 10d4c67 | 2014-05-08 15:50:01 -0700 | [diff] [blame] | 1646 | goto reset_fw; |
| 1647 | } |
| 1648 | kfree_skb(skb); |
| 1649 | } |
| 1650 | |
| 1651 | /* 250 msec delay after Launch Ram completes */ |
| 1652 | msleep(250); |
| 1653 | |
| 1654 | reset_fw: |
| 1655 | /* Reset */ |
| 1656 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); |
| 1657 | if (IS_ERR(skb)) { |
| 1658 | ret = PTR_ERR(skb); |
| 1659 | BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev->name, ret); |
| 1660 | goto done; |
| 1661 | } |
| 1662 | kfree_skb(skb); |
| 1663 | |
| 1664 | /* Read Local Version Info */ |
| 1665 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, |
| 1666 | HCI_INIT_TIMEOUT); |
| 1667 | if (IS_ERR(skb)) { |
| 1668 | ret = PTR_ERR(skb); |
| 1669 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)", |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 1670 | hdev->name, ret); |
Petri Gynther | 10d4c67 | 2014-05-08 15:50:01 -0700 | [diff] [blame] | 1671 | goto done; |
| 1672 | } |
| 1673 | |
| 1674 | if (skb->len != sizeof(*ver)) { |
| 1675 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch", |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 1676 | hdev->name); |
Petri Gynther | 10d4c67 | 2014-05-08 15:50:01 -0700 | [diff] [blame] | 1677 | kfree_skb(skb); |
| 1678 | ret = -EIO; |
| 1679 | goto done; |
| 1680 | } |
| 1681 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 1682 | ver = (struct hci_rp_read_local_version *)skb->data; |
Petri Gynther | 10d4c67 | 2014-05-08 15:50:01 -0700 | [diff] [blame] | 1683 | BT_INFO("%s: BCM: firmware hci_ver=%02x hci_rev=%04x lmp_ver=%02x " |
| 1684 | "lmp_subver=%04x", hdev->name, ver->hci_ver, ver->hci_rev, |
| 1685 | ver->lmp_ver, ver->lmp_subver); |
| 1686 | kfree_skb(skb); |
| 1687 | |
Marcel Holtmann | c8abb73 | 2014-07-02 12:38:22 +0200 | [diff] [blame] | 1688 | /* Read BD Address */ |
| 1689 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL, |
| 1690 | HCI_INIT_TIMEOUT); |
| 1691 | if (IS_ERR(skb)) { |
| 1692 | ret = PTR_ERR(skb); |
| 1693 | BT_ERR("%s: HCI_OP_READ_BD_ADDR failed (%ld)", |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 1694 | hdev->name, ret); |
Marcel Holtmann | c8abb73 | 2014-07-02 12:38:22 +0200 | [diff] [blame] | 1695 | goto done; |
| 1696 | } |
| 1697 | |
| 1698 | if (skb->len != sizeof(*bda)) { |
| 1699 | BT_ERR("%s: HCI_OP_READ_BD_ADDR event length mismatch", |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 1700 | hdev->name); |
Marcel Holtmann | c8abb73 | 2014-07-02 12:38:22 +0200 | [diff] [blame] | 1701 | kfree_skb(skb); |
| 1702 | ret = -EIO; |
| 1703 | goto done; |
| 1704 | } |
| 1705 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 1706 | bda = (struct hci_rp_read_bd_addr *)skb->data; |
Marcel Holtmann | c8abb73 | 2014-07-02 12:38:22 +0200 | [diff] [blame] | 1707 | if (bda->status) { |
| 1708 | BT_ERR("%s: HCI_OP_READ_BD_ADDR error status (%02x)", |
| 1709 | hdev->name, bda->status); |
| 1710 | kfree_skb(skb); |
| 1711 | ret = -bt_to_errno(bda->status); |
| 1712 | goto done; |
| 1713 | } |
| 1714 | |
| 1715 | /* The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller |
| 1716 | * with no configured address. |
| 1717 | */ |
Marcel Holtmann | 849e508 | 2014-07-04 16:54:39 +0200 | [diff] [blame] | 1718 | if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0)) { |
Marcel Holtmann | c8abb73 | 2014-07-02 12:38:22 +0200 | [diff] [blame] | 1719 | BT_INFO("%s: BCM: using default device address (%pMR)", |
| 1720 | hdev->name, &bda->bdaddr); |
Marcel Holtmann | 849e508 | 2014-07-04 16:54:39 +0200 | [diff] [blame] | 1721 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); |
| 1722 | } |
Marcel Holtmann | c8abb73 | 2014-07-02 12:38:22 +0200 | [diff] [blame] | 1723 | |
| 1724 | kfree_skb(skb); |
| 1725 | |
Petri Gynther | 10d4c67 | 2014-05-08 15:50:01 -0700 | [diff] [blame] | 1726 | done: |
| 1727 | release_firmware(fw); |
| 1728 | |
| 1729 | return ret; |
| 1730 | } |
| 1731 | |
Marcel Holtmann | abbaf50 | 2014-07-02 00:53:48 +0200 | [diff] [blame] | 1732 | static int btusb_set_bdaddr_bcm(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
| 1733 | { |
| 1734 | struct sk_buff *skb; |
| 1735 | long ret; |
| 1736 | |
| 1737 | skb = __hci_cmd_sync(hdev, 0xfc01, 6, bdaddr, HCI_INIT_TIMEOUT); |
| 1738 | if (IS_ERR(skb)) { |
| 1739 | ret = PTR_ERR(skb); |
| 1740 | BT_ERR("%s: BCM: Change address command failed (%ld)", |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 1741 | hdev->name, ret); |
Marcel Holtmann | abbaf50 | 2014-07-02 00:53:48 +0200 | [diff] [blame] | 1742 | return ret; |
| 1743 | } |
| 1744 | kfree_skb(skb); |
| 1745 | |
| 1746 | return 0; |
| 1747 | } |
| 1748 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1749 | static int btusb_probe(struct usb_interface *intf, |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 1750 | const struct usb_device_id *id) |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1751 | { |
| 1752 | struct usb_endpoint_descriptor *ep_desc; |
| 1753 | struct btusb_data *data; |
| 1754 | struct hci_dev *hdev; |
| 1755 | int i, err; |
| 1756 | |
| 1757 | BT_DBG("intf %p id %p", intf, id); |
| 1758 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1759 | /* interface numbers are hardcoded in the spec */ |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1760 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
| 1761 | return -ENODEV; |
| 1762 | |
| 1763 | if (!id->driver_info) { |
| 1764 | const struct usb_device_id *match; |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 1765 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1766 | match = usb_match_id(intf, blacklist_table); |
| 1767 | if (match) |
| 1768 | id = match; |
| 1769 | } |
| 1770 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1771 | if (id->driver_info == BTUSB_IGNORE) |
| 1772 | return -ENODEV; |
| 1773 | |
Steven.Li | 2d25f8b | 2011-07-01 14:02:36 +0800 | [diff] [blame] | 1774 | if (id->driver_info & BTUSB_ATH3012) { |
| 1775 | struct usb_device *udev = interface_to_usbdev(intf); |
| 1776 | |
| 1777 | /* Old firmware would otherwise let ath3k driver load |
| 1778 | * patch and sysconfig files */ |
| 1779 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) |
| 1780 | return -ENODEV; |
| 1781 | } |
| 1782 | |
Sachin Kamat | 98921db | 2012-07-27 12:38:39 +0530 | [diff] [blame] | 1783 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1784 | if (!data) |
| 1785 | return -ENOMEM; |
| 1786 | |
| 1787 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { |
| 1788 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; |
| 1789 | |
| 1790 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { |
| 1791 | data->intr_ep = ep_desc; |
| 1792 | continue; |
| 1793 | } |
| 1794 | |
| 1795 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { |
| 1796 | data->bulk_tx_ep = ep_desc; |
| 1797 | continue; |
| 1798 | } |
| 1799 | |
| 1800 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { |
| 1801 | data->bulk_rx_ep = ep_desc; |
| 1802 | continue; |
| 1803 | } |
| 1804 | } |
| 1805 | |
Sachin Kamat | 98921db | 2012-07-27 12:38:39 +0530 | [diff] [blame] | 1806 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1807 | return -ENODEV; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1808 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1809 | data->cmdreq_type = USB_TYPE_CLASS; |
| 1810 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1811 | data->udev = interface_to_usbdev(intf); |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 1812 | data->intf = intf; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1813 | |
| 1814 | spin_lock_init(&data->lock); |
| 1815 | |
| 1816 | INIT_WORK(&data->work, btusb_work); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1817 | INIT_WORK(&data->waker, btusb_waker); |
| 1818 | spin_lock_init(&data->txlock); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1819 | |
| 1820 | init_usb_anchor(&data->tx_anchor); |
| 1821 | init_usb_anchor(&data->intr_anchor); |
| 1822 | init_usb_anchor(&data->bulk_anchor); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1823 | init_usb_anchor(&data->isoc_anchor); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1824 | init_usb_anchor(&data->deferred); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1825 | |
| 1826 | hdev = hci_alloc_dev(); |
Sachin Kamat | 98921db | 2012-07-27 12:38:39 +0530 | [diff] [blame] | 1827 | if (!hdev) |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1828 | return -ENOMEM; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1829 | |
Marcel Holtmann | c13854c | 2010-02-08 15:27:07 +0100 | [diff] [blame] | 1830 | hdev->bus = HCI_USB; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 1831 | hci_set_drvdata(hdev, data); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1832 | |
| 1833 | data->hdev = hdev; |
| 1834 | |
| 1835 | SET_HCIDEV_DEV(hdev, &intf->dev); |
| 1836 | |
Marcel Holtmann | 9f8f962 | 2013-04-10 08:11:35 -0700 | [diff] [blame] | 1837 | hdev->open = btusb_open; |
| 1838 | hdev->close = btusb_close; |
| 1839 | hdev->flush = btusb_flush; |
| 1840 | hdev->send = btusb_send_frame; |
| 1841 | hdev->notify = btusb_notify; |
| 1842 | |
| 1843 | if (id->driver_info & BTUSB_BCM92035) |
| 1844 | hdev->setup = btusb_setup_bcm92035; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1845 | |
Marcel Holtmann | abbaf50 | 2014-07-02 00:53:48 +0200 | [diff] [blame] | 1846 | if (id->driver_info & BTUSB_BCM_PATCHRAM) { |
Petri Gynther | 10d4c67 | 2014-05-08 15:50:01 -0700 | [diff] [blame] | 1847 | hdev->setup = btusb_setup_bcm_patchram; |
Marcel Holtmann | abbaf50 | 2014-07-02 00:53:48 +0200 | [diff] [blame] | 1848 | hdev->set_bdaddr = btusb_set_bdaddr_bcm; |
| 1849 | } |
Petri Gynther | 10d4c67 | 2014-05-08 15:50:01 -0700 | [diff] [blame] | 1850 | |
Marcel Holtmann | cb8d659 | 2014-07-02 11:25:25 +0200 | [diff] [blame] | 1851 | if (id->driver_info & BTUSB_INTEL) { |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1852 | hdev->setup = btusb_setup_intel; |
Marcel Holtmann | cb8d659 | 2014-07-02 11:25:25 +0200 | [diff] [blame] | 1853 | hdev->set_bdaddr = btusb_set_bdaddr_intel; |
| 1854 | } |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1855 | |
Amitkumar Karwar | ae8df49 | 2014-07-18 14:47:06 -0700 | [diff] [blame] | 1856 | if (id->driver_info & BTUSB_MARVELL) |
| 1857 | hdev->set_bdaddr = btusb_set_bdaddr_marvell; |
| 1858 | |
Marcel Holtmann | 40df783 | 2014-07-06 13:29:58 +0200 | [diff] [blame] | 1859 | if (id->driver_info & BTUSB_INTEL_BOOT) |
| 1860 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); |
| 1861 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1862 | /* Interface numbers are hardcoded in the specification */ |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1863 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
| 1864 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1865 | if (!reset) |
Szymon Janc | a6c511c | 2012-05-23 12:35:46 +0200 | [diff] [blame] | 1866 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1867 | |
| 1868 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { |
| 1869 | if (!disable_scofix) |
| 1870 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); |
| 1871 | } |
| 1872 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1873 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
| 1874 | data->isoc = NULL; |
| 1875 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1876 | if (id->driver_info & BTUSB_DIGIANSWER) { |
| 1877 | data->cmdreq_type = USB_TYPE_VENDOR; |
Szymon Janc | a6c511c | 2012-05-23 12:35:46 +0200 | [diff] [blame] | 1878 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1879 | } |
| 1880 | |
| 1881 | if (id->driver_info & BTUSB_CSR) { |
| 1882 | struct usb_device *udev = data->udev; |
Marcel Holtmann | 81cac64 | 2014-01-03 03:02:36 -0800 | [diff] [blame] | 1883 | u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1884 | |
| 1885 | /* Old firmware would otherwise execute USB reset */ |
Marcel Holtmann | 81cac64 | 2014-01-03 03:02:36 -0800 | [diff] [blame] | 1886 | if (bcdDevice < 0x117) |
Szymon Janc | a6c511c | 2012-05-23 12:35:46 +0200 | [diff] [blame] | 1887 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
Marcel Holtmann | 81cac64 | 2014-01-03 03:02:36 -0800 | [diff] [blame] | 1888 | |
| 1889 | /* Fake CSR devices with broken commands */ |
| 1890 | if (bcdDevice <= 0x100) |
| 1891 | hdev->setup = btusb_setup_csr; |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1892 | } |
| 1893 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1894 | if (id->driver_info & BTUSB_SNIFFER) { |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1895 | struct usb_device *udev = data->udev; |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1896 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 1897 | /* New sniffer firmware has crippled HCI interface */ |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 1898 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
| 1899 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); |
| 1900 | } |
| 1901 | |
Marcel Holtmann | 3a5ef20 | 2014-07-06 14:53:54 +0200 | [diff] [blame] | 1902 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
| 1903 | /* A bug in the bootloader causes that interrupt interface is |
| 1904 | * only enabled after receiving SetInterface(0, AltSetting=0). |
| 1905 | */ |
| 1906 | err = usb_set_interface(data->udev, 0, 0); |
| 1907 | if (err < 0) { |
| 1908 | BT_ERR("failed to set interface 0, alt 0 %d", err); |
| 1909 | hci_free_dev(hdev); |
| 1910 | return err; |
| 1911 | } |
| 1912 | } |
| 1913 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1914 | if (data->isoc) { |
| 1915 | err = usb_driver_claim_interface(&btusb_driver, |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame^] | 1916 | data->isoc, data); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1917 | if (err < 0) { |
| 1918 | hci_free_dev(hdev); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1919 | return err; |
| 1920 | } |
| 1921 | } |
| 1922 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1923 | err = hci_register_dev(hdev); |
| 1924 | if (err < 0) { |
| 1925 | hci_free_dev(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1926 | return err; |
| 1927 | } |
| 1928 | |
| 1929 | usb_set_intfdata(intf, data); |
| 1930 | |
| 1931 | return 0; |
| 1932 | } |
| 1933 | |
| 1934 | static void btusb_disconnect(struct usb_interface *intf) |
| 1935 | { |
| 1936 | struct btusb_data *data = usb_get_intfdata(intf); |
| 1937 | struct hci_dev *hdev; |
| 1938 | |
| 1939 | BT_DBG("intf %p", intf); |
| 1940 | |
| 1941 | if (!data) |
| 1942 | return; |
| 1943 | |
| 1944 | hdev = data->hdev; |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 1945 | usb_set_intfdata(data->intf, NULL); |
| 1946 | |
| 1947 | if (data->isoc) |
| 1948 | usb_set_intfdata(data->isoc, NULL); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1949 | |
| 1950 | hci_unregister_dev(hdev); |
| 1951 | |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 1952 | if (intf == data->isoc) |
| 1953 | usb_driver_release_interface(&btusb_driver, data->intf); |
| 1954 | else if (data->isoc) |
| 1955 | usb_driver_release_interface(&btusb_driver, data->isoc); |
| 1956 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1957 | hci_free_dev(hdev); |
| 1958 | } |
| 1959 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1960 | #ifdef CONFIG_PM |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1961 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
| 1962 | { |
| 1963 | struct btusb_data *data = usb_get_intfdata(intf); |
| 1964 | |
| 1965 | BT_DBG("intf %p", intf); |
| 1966 | |
| 1967 | if (data->suspend_count++) |
| 1968 | return 0; |
| 1969 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1970 | spin_lock_irq(&data->txlock); |
Alan Stern | 5b1b0b8 | 2011-08-19 23:49:48 +0200 | [diff] [blame] | 1971 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1972 | set_bit(BTUSB_SUSPENDING, &data->flags); |
| 1973 | spin_unlock_irq(&data->txlock); |
| 1974 | } else { |
| 1975 | spin_unlock_irq(&data->txlock); |
| 1976 | data->suspend_count--; |
| 1977 | return -EBUSY; |
| 1978 | } |
| 1979 | |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1980 | cancel_work_sync(&data->work); |
| 1981 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1982 | btusb_stop_traffic(data); |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1983 | usb_kill_anchored_urbs(&data->tx_anchor); |
| 1984 | |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 1985 | return 0; |
| 1986 | } |
| 1987 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1988 | static void play_deferred(struct btusb_data *data) |
| 1989 | { |
| 1990 | struct urb *urb; |
| 1991 | int err; |
| 1992 | |
| 1993 | while ((urb = usb_get_from_anchor(&data->deferred))) { |
| 1994 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 1995 | if (err < 0) |
| 1996 | break; |
| 1997 | |
| 1998 | data->tx_in_flight++; |
| 1999 | } |
| 2000 | usb_scuttle_anchored_urbs(&data->deferred); |
| 2001 | } |
| 2002 | |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 2003 | static int btusb_resume(struct usb_interface *intf) |
| 2004 | { |
| 2005 | struct btusb_data *data = usb_get_intfdata(intf); |
| 2006 | struct hci_dev *hdev = data->hdev; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 2007 | int err = 0; |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 2008 | |
| 2009 | BT_DBG("intf %p", intf); |
| 2010 | |
| 2011 | if (--data->suspend_count) |
| 2012 | return 0; |
| 2013 | |
| 2014 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 2015 | goto done; |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 2016 | |
| 2017 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { |
| 2018 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); |
| 2019 | if (err < 0) { |
| 2020 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 2021 | goto failed; |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 2022 | } |
| 2023 | } |
| 2024 | |
| 2025 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 2026 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
| 2027 | if (err < 0) { |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 2028 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 2029 | goto failed; |
| 2030 | } |
| 2031 | |
| 2032 | btusb_submit_bulk_urb(hdev, GFP_NOIO); |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 2033 | } |
| 2034 | |
| 2035 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { |
| 2036 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) |
| 2037 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 2038 | else |
| 2039 | btusb_submit_isoc_urb(hdev, GFP_NOIO); |
| 2040 | } |
| 2041 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 2042 | spin_lock_irq(&data->txlock); |
| 2043 | play_deferred(data); |
| 2044 | clear_bit(BTUSB_SUSPENDING, &data->flags); |
| 2045 | spin_unlock_irq(&data->txlock); |
| 2046 | schedule_work(&data->work); |
| 2047 | |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 2048 | return 0; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 2049 | |
| 2050 | failed: |
| 2051 | usb_scuttle_anchored_urbs(&data->deferred); |
| 2052 | done: |
| 2053 | spin_lock_irq(&data->txlock); |
| 2054 | clear_bit(BTUSB_SUSPENDING, &data->flags); |
| 2055 | spin_unlock_irq(&data->txlock); |
| 2056 | |
| 2057 | return err; |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 2058 | } |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 2059 | #endif |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 2060 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 2061 | static struct usb_driver btusb_driver = { |
| 2062 | .name = "btusb", |
| 2063 | .probe = btusb_probe, |
| 2064 | .disconnect = btusb_disconnect, |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 2065 | #ifdef CONFIG_PM |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 2066 | .suspend = btusb_suspend, |
| 2067 | .resume = btusb_resume, |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 2068 | #endif |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 2069 | .id_table = btusb_table, |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 2070 | .supports_autosuspend = 1, |
Sarah Sharp | e1f12eb | 2012-04-23 10:08:51 -0700 | [diff] [blame] | 2071 | .disable_hub_initiated_lpm = 1, |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 2072 | }; |
| 2073 | |
Greg Kroah-Hartman | 93f1508 | 2011-11-18 09:47:34 -0800 | [diff] [blame] | 2074 | module_usb_driver(btusb_driver); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 2075 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 2076 | module_param(disable_scofix, bool, 0644); |
| 2077 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); |
| 2078 | |
| 2079 | module_param(force_scofix, bool, 0644); |
| 2080 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); |
| 2081 | |
| 2082 | module_param(reset, bool, 0644); |
| 2083 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); |
| 2084 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 2085 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
| 2086 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); |
| 2087 | MODULE_VERSION(VERSION); |
| 2088 | MODULE_LICENSE("GPL"); |