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> |
Daniel Drake | a2698a9 | 2015-04-16 14:09:55 -0600 | [diff] [blame] | 27 | #include <asm/unaligned.h> |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 28 | |
| 29 | #include <net/bluetooth/bluetooth.h> |
| 30 | #include <net/bluetooth/hci_core.h> |
| 31 | |
Marcel Holtmann | 4185a0f | 2015-04-06 00:52:12 -0700 | [diff] [blame] | 32 | #include "btintel.h" |
Marcel Holtmann | 1df1f59 | 2015-04-05 22:52:11 -0700 | [diff] [blame] | 33 | #include "btbcm.h" |
| 34 | |
Marcel Holtmann | 34dced9b | 2015-04-05 22:52:16 -0700 | [diff] [blame] | 35 | #define VERSION "0.8" |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 36 | |
Rusty Russell | 90ab5ee | 2012-01-13 09:32:20 +1030 | [diff] [blame] | 37 | static bool disable_scofix; |
| 38 | static bool force_scofix; |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 39 | |
Rusty Russell | 90ab5ee | 2012-01-13 09:32:20 +1030 | [diff] [blame] | 40 | static bool reset = 1; |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 41 | |
| 42 | static struct usb_driver btusb_driver; |
| 43 | |
| 44 | #define BTUSB_IGNORE 0x01 |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 45 | #define BTUSB_DIGIANSWER 0x02 |
| 46 | #define BTUSB_CSR 0x04 |
| 47 | #define BTUSB_SNIFFER 0x08 |
| 48 | #define BTUSB_BCM92035 0x10 |
| 49 | #define BTUSB_BROKEN_ISOC 0x20 |
| 50 | #define BTUSB_WRONG_SCO_MTU 0x40 |
Steven.Li | 2d25f8b | 2011-07-01 14:02:36 +0800 | [diff] [blame] | 51 | #define BTUSB_ATH3012 0x80 |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 52 | #define BTUSB_INTEL 0x100 |
Marcel Holtmann | 40df783 | 2014-07-06 13:29:58 +0200 | [diff] [blame] | 53 | #define BTUSB_INTEL_BOOT 0x200 |
| 54 | #define BTUSB_BCM_PATCHRAM 0x400 |
Amitkumar Karwar | ae8df49 | 2014-07-18 14:47:06 -0700 | [diff] [blame] | 55 | #define BTUSB_MARVELL 0x800 |
Marcel Holtmann | 4fcef8e | 2015-01-01 17:34:37 -0800 | [diff] [blame] | 56 | #define BTUSB_SWAVE 0x1000 |
Marcel Holtmann | cda0dd7 | 2015-01-26 21:33:48 -0800 | [diff] [blame] | 57 | #define BTUSB_INTEL_NEW 0x2000 |
Marcel Holtmann | 893ba54 | 2015-01-28 20:27:34 -0800 | [diff] [blame] | 58 | #define BTUSB_AMP 0x4000 |
Kim, Ben Young Tae | 3267c88 | 2015-02-15 23:07:33 +0000 | [diff] [blame] | 59 | #define BTUSB_QCA_ROME 0x8000 |
Marcel Holtmann | 17b2772 | 2015-03-22 15:52:38 +0100 | [diff] [blame] | 60 | #define BTUSB_BCM_APPLE 0x10000 |
Daniel Drake | a2698a9 | 2015-04-16 14:09:55 -0600 | [diff] [blame] | 61 | #define BTUSB_REALTEK 0x20000 |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 62 | |
Marcel Holtmann | 5426520 | 2013-10-11 07:46:18 -0700 | [diff] [blame] | 63 | static const struct usb_device_id btusb_table[] = { |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 64 | /* Generic Bluetooth USB device */ |
| 65 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, |
| 66 | |
Marcel Holtmann | 893ba54 | 2015-01-28 20:27:34 -0800 | [diff] [blame] | 67 | /* Generic Bluetooth AMP device */ |
| 68 | { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP }, |
| 69 | |
Henrik Rydberg | 1fa6535 | 2012-08-25 19:28:06 +0200 | [diff] [blame] | 70 | /* Apple-specific (Broadcom) devices */ |
Marcel Holtmann | 17b2772 | 2015-03-22 15:52:38 +0100 | [diff] [blame] | 71 | { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01), |
| 72 | .driver_info = BTUSB_BCM_APPLE }, |
Henrik Rydberg | 1fa6535 | 2012-08-25 19:28:06 +0200 | [diff] [blame] | 73 | |
Cho, Yu-Chen | 178c059 | 2013-06-04 21:40:26 +0800 | [diff] [blame] | 74 | /* MediaTek MT76x0E */ |
| 75 | { USB_DEVICE(0x0e8d, 0x763f) }, |
| 76 | |
Oliver Neukum | c510eae | 2011-09-21 11:41:45 +0200 | [diff] [blame] | 77 | /* Broadcom SoftSailing reporting vendor specific */ |
Don Zickus | 2e8b5063 | 2012-03-28 16:41:11 -0400 | [diff] [blame] | 78 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
Oliver Neukum | c510eae | 2011-09-21 11:41:45 +0200 | [diff] [blame] | 79 | |
Nobuhiro Iwamatsu | 3cd0197 | 2010-08-20 16:24:07 +0900 | [diff] [blame] | 80 | /* Apple MacBookPro 7,1 */ |
| 81 | { USB_DEVICE(0x05ac, 0x8213) }, |
| 82 | |
Cyril Lacoux | 0a79f67 | 2010-07-14 10:29:27 +0400 | [diff] [blame] | 83 | /* Apple iMac11,1 */ |
| 84 | { USB_DEVICE(0x05ac, 0x8215) }, |
| 85 | |
Nobuhiro Iwamatsu | 9c04715 | 2010-08-20 16:24:06 +0900 | [diff] [blame] | 86 | /* Apple MacBookPro6,2 */ |
| 87 | { USB_DEVICE(0x05ac, 0x8218) }, |
| 88 | |
Edgar (gimli) Hucek | 3e3ede7 | 2010-11-04 08:04:33 +0100 | [diff] [blame] | 89 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
| 90 | { USB_DEVICE(0x05ac, 0x821b) }, |
| 91 | |
Pieter-Augustijn Van Malleghem | a63b723 | 2011-09-07 02:28:10 -0400 | [diff] [blame] | 92 | /* Apple MacBookAir4,1 */ |
| 93 | { USB_DEVICE(0x05ac, 0x821f) }, |
| 94 | |
Marc-Antoine Perennou | 88d377b | 2011-03-24 14:51:21 -0300 | [diff] [blame] | 95 | /* Apple MacBookPro8,2 */ |
| 96 | { USB_DEVICE(0x05ac, 0x821a) }, |
| 97 | |
Jurgen Kramer | f78b6826 | 2011-09-04 18:01:42 +0200 | [diff] [blame] | 98 | /* Apple MacMini5,1 */ |
| 99 | { USB_DEVICE(0x05ac, 0x8281) }, |
| 100 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 101 | /* AVM BlueFRITZ! USB v2.0 */ |
Marcel Holtmann | 4fcef8e | 2015-01-01 17:34:37 -0800 | [diff] [blame] | 102 | { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 103 | |
| 104 | /* Bluetooth Ultraport Module from IBM */ |
| 105 | { USB_DEVICE(0x04bf, 0x030a) }, |
| 106 | |
| 107 | /* ALPS Modules with non-standard id */ |
| 108 | { USB_DEVICE(0x044e, 0x3001) }, |
| 109 | { USB_DEVICE(0x044e, 0x3002) }, |
| 110 | |
| 111 | /* Ericsson with non-standard id */ |
| 112 | { USB_DEVICE(0x0bdb, 0x1002) }, |
| 113 | |
| 114 | /* Canyon CN-BTU1 with HID interfaces */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 115 | { USB_DEVICE(0x0c10, 0x0000) }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 116 | |
Wen-chien Jesse Sung | d13431c | 2011-11-08 14:30:22 +0800 | [diff] [blame] | 117 | /* Broadcom BCM20702A0 */ |
| 118 | { USB_DEVICE(0x413c, 0x8197) }, |
| 119 | |
Marcel Holtmann | d049f4e | 2015-01-26 20:35:32 -0800 | [diff] [blame] | 120 | /* Broadcom BCM20702B0 (Dynex/Insignia) */ |
| 121 | { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM }, |
| 122 | |
Steven Harms | 9851403 | 2012-04-13 14:45:55 -0400 | [diff] [blame] | 123 | /* Foxconn - Hon Hai */ |
Heinrich Siebmanns | 6029ddc | 2014-12-03 19:32:22 +0100 | [diff] [blame] | 124 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01), |
| 125 | .driver_info = BTUSB_BCM_PATCHRAM }, |
Steven Harms | 9851403 | 2012-04-13 14:45:55 -0400 | [diff] [blame] | 126 | |
Matej Dubovy | 8f0c304 | 2015-02-02 18:50:14 +0100 | [diff] [blame] | 127 | /* Lite-On Technology - Broadcom based */ |
| 128 | { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01), |
| 129 | .driver_info = BTUSB_BCM_PATCHRAM }, |
| 130 | |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 131 | /* Broadcom devices with vendor specific id */ |
Petri Gynther | 10d4c67 | 2014-05-08 15:50:01 -0700 | [diff] [blame] | 132 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01), |
| 133 | .driver_info = BTUSB_BCM_PATCHRAM }, |
Gustavo Padovan | 92c385f | 2012-08-06 15:36:49 -0300 | [diff] [blame] | 134 | |
Marcel Holtmann | c2aef6e | 2014-07-21 14:02:33 +0200 | [diff] [blame] | 135 | /* ASUSTek Computer - Broadcom based */ |
Rick Dunn | 9a5abda | 2015-01-17 05:29:12 +0100 | [diff] [blame] | 136 | { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01), |
| 137 | .driver_info = BTUSB_BCM_PATCHRAM }, |
Marcel Holtmann | c2aef6e | 2014-07-21 14:02:33 +0200 | [diff] [blame] | 138 | |
Ken O'Brien | 5bcecf3 | 2013-09-21 19:14:43 +0100 | [diff] [blame] | 139 | /* Belkin F8065bf - Broadcom based */ |
Marcel Holtmann | 6331c68 | 2015-03-27 15:11:41 -0700 | [diff] [blame] | 140 | { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01), |
| 141 | .driver_info = BTUSB_BCM_PATCHRAM }, |
Ken O'Brien | 5bcecf3 | 2013-09-21 19:14:43 +0100 | [diff] [blame] | 142 | |
Jurgen Kramer | 9113bfd | 2014-02-15 12:01:09 +0100 | [diff] [blame] | 143 | /* IMC Networks - Broadcom based */ |
Marcel Holtmann | 6331c68 | 2015-03-27 15:11:41 -0700 | [diff] [blame] | 144 | { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01), |
| 145 | .driver_info = BTUSB_BCM_PATCHRAM }, |
Jurgen Kramer | 9113bfd | 2014-02-15 12:01:09 +0100 | [diff] [blame] | 146 | |
Marcel Holtmann | 40df783 | 2014-07-06 13:29:58 +0200 | [diff] [blame] | 147 | /* Intel Bluetooth USB Bootloader (RAM module) */ |
Marcel Holtmann | d92f2df | 2014-07-06 14:53:55 +0200 | [diff] [blame] | 148 | { USB_DEVICE(0x8087, 0x0a5a), |
| 149 | .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC }, |
Marcel Holtmann | 40df783 | 2014-07-06 13:29:58 +0200 | [diff] [blame] | 150 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 151 | { } /* Terminating entry */ |
| 152 | }; |
| 153 | |
| 154 | MODULE_DEVICE_TABLE(usb, btusb_table); |
| 155 | |
Marcel Holtmann | 5426520 | 2013-10-11 07:46:18 -0700 | [diff] [blame] | 156 | static const struct usb_device_id blacklist_table[] = { |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 157 | /* CSR BlueCore devices */ |
| 158 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, |
| 159 | |
| 160 | /* Broadcom BCM2033 without firmware */ |
| 161 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, |
| 162 | |
Bala Shanmugam | be93112 | 2010-11-26 17:35:46 +0530 | [diff] [blame] | 163 | /* Atheros 3011 with sflash firmware */ |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 164 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
| 165 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, |
Alexander Ploumistos | 2eeff0b | 2015-02-13 21:05:11 +0200 | [diff] [blame] | 166 | { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE }, |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 167 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
Bala Shanmugam | be93112 | 2010-11-26 17:35:46 +0530 | [diff] [blame] | 168 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, |
Marek Vasut | 6eda541 | 2012-06-08 14:32:50 +0200 | [diff] [blame] | 169 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
Andy Ross | 2a7bccc | 2011-05-09 16:11:16 -0700 | [diff] [blame] | 170 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
Bala Shanmugam | be93112 | 2010-11-26 17:35:46 +0530 | [diff] [blame] | 171 | |
Cho, Yu-Chen | 509e786 | 2011-01-26 17:10:59 +0800 | [diff] [blame] | 172 | /* Atheros AR9285 Malbec with sflash firmware */ |
| 173 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, |
| 174 | |
Bala Shanmugam | d9f51b5 | 2011-02-11 15:38:53 +0530 | [diff] [blame] | 175 | /* Atheros 3012 with sflash firmware */ |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 176 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
| 177 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, |
| 178 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, |
| 179 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, |
| 180 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, |
Anantha Krishnan | 4b552bc | 2014-10-06 16:31:49 +0530 | [diff] [blame] | 181 | { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 182 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
| 183 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, |
| 184 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, |
| 185 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, |
Mohammed Habibulla | 1fb4e09 | 2014-04-17 11:37:13 -0700 | [diff] [blame] | 186 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 187 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
| 188 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, |
Janne Heikkinen | 134d3b3 | 2014-12-09 07:44:51 +0200 | [diff] [blame] | 189 | { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 }, |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 190 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
| 191 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, |
Vincent Zwanenburg | 89d2975 | 2014-08-08 12:33:56 +0100 | [diff] [blame] | 192 | { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, |
Andy Shevchenko | a735f9e | 2014-02-18 18:26:20 +0200 | [diff] [blame] | 193 | { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, |
Ming Lei | d66629c | 2013-03-15 11:00:39 +0800 | [diff] [blame] | 194 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
Steven.Li | 2d25f8b | 2011-07-01 14:02:36 +0800 | [diff] [blame] | 195 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
Sunguk Lee | 94a32d10 | 2013-03-12 04:41:58 +0900 | [diff] [blame] | 196 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
Cho, Yu-Chen | 07c0ea8 | 2012-03-14 22:01:21 +0200 | [diff] [blame] | 197 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
Oliver Neukum | b131237 | 2014-01-16 15:37:11 +0100 | [diff] [blame] | 198 | { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, |
Oliver Neukum | 1e56f1e | 2014-01-16 16:02:58 +0100 | [diff] [blame] | 199 | { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 200 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
Ming Lei | ebaf579 | 2013-03-18 23:45:11 +0800 | [diff] [blame] | 201 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 202 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
AceLan Kao | ac71311 | 2012-04-19 14:53:45 +0800 | [diff] [blame] | 203 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
Peng Chen | 0a3658c | 2013-08-30 17:41:40 +0800 | [diff] [blame] | 204 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 205 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
| 206 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, |
AceLan Kao | eed307e | 2012-12-11 11:41:20 +0800 | [diff] [blame] | 207 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
Sujith Manoharan | 5b77a1f | 2013-07-15 09:29:03 +0530 | [diff] [blame] | 208 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
Dmitry Tunin | 3bb30a7c | 2014-11-25 20:19:52 +0300 | [diff] [blame] | 209 | { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 }, |
Dmitry Tunin | 033efa9 | 2015-01-18 00:16:51 +0300 | [diff] [blame] | 210 | { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 }, |
Anantha Krishnan | fa2f139 | 2014-07-08 19:25:08 +0530 | [diff] [blame] | 211 | { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, |
Bala Shanmugam | d9f51b5 | 2011-02-11 15:38:53 +0530 | [diff] [blame] | 212 | |
Cho, Yu-Chen | e9036e3 | 2011-02-15 10:20:07 +0800 | [diff] [blame] | 213 | /* Atheros AR5BBU12 with sflash firmware */ |
| 214 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, |
| 215 | |
Michael Gruetzner | 85d5972 | 2012-05-02 22:33:40 +0200 | [diff] [blame] | 216 | /* Atheros AR5BBU12 with sflash firmware */ |
Yevgeniy Melnichuk | bc21fde | 2012-08-07 19:48:10 +0530 | [diff] [blame] | 217 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 218 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, |
Michael Gruetzner | 85d5972 | 2012-05-02 22:33:40 +0200 | [diff] [blame] | 219 | |
Kim, Ben Young Tae | 3267c88 | 2015-02-15 23:07:33 +0000 | [diff] [blame] | 220 | /* QCA ROME chipset */ |
Marcel Holtmann | c9e4447 | 2015-03-16 23:56:04 -0700 | [diff] [blame] | 221 | { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME }, |
| 222 | { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME }, |
Kim, Ben Young Tae | 3267c88 | 2015-02-15 23:07:33 +0000 | [diff] [blame] | 223 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 224 | /* Broadcom BCM2035 */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 225 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, |
Andy Shevchenko | 0b88006 | 2014-02-18 18:26:19 +0200 | [diff] [blame] | 226 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 227 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 228 | |
| 229 | /* Broadcom BCM2045 */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 230 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 231 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | bdbef3d | 2008-09-23 00:16:35 +0200 | [diff] [blame] | 232 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 233 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 234 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 235 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 236 | |
| 237 | /* HP laptop with Broadcom chip */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 238 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 239 | |
| 240 | /* Dell laptop with Broadcom chip */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 241 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 242 | |
Marcel Holtmann | 5ddd4a6 | 2008-11-30 12:17:27 +0100 | [diff] [blame] | 243 | /* Dell Wireless 370 and 410 devices */ |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 244 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | 5ddd4a6 | 2008-11-30 12:17:27 +0100 | [diff] [blame] | 245 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 246 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 247 | /* Belkin F8T012 and F8T013 devices */ |
| 248 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 249 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 250 | |
Marcel Holtmann | 5ddd4a6 | 2008-11-30 12:17:27 +0100 | [diff] [blame] | 251 | /* Asus WL-BTD202 device */ |
| 252 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 253 | |
| 254 | /* Kensington Bluetooth USB adapter */ |
| 255 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
| 256 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 257 | /* RTX Telecom based adapters with buggy SCO support */ |
| 258 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, |
| 259 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, |
| 260 | |
| 261 | /* CONWISE Technology based adapters with buggy SCO support */ |
| 262 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, |
| 263 | |
Marcel Holtmann | 4fcef8e | 2015-01-01 17:34:37 -0800 | [diff] [blame] | 264 | /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */ |
| 265 | { USB_DEVICE(0x1300, 0x0001), .driver_info = BTUSB_SWAVE }, |
| 266 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 267 | /* Digianswer devices */ |
| 268 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, |
| 269 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, |
| 270 | |
| 271 | /* CSR BlueCore Bluetooth Sniffer */ |
Marcel Holtmann | 4f64fa8 | 2014-07-07 00:12:04 +0200 | [diff] [blame] | 272 | { USB_DEVICE(0x0a12, 0x0002), |
| 273 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 274 | |
| 275 | /* Frontline ComProbe Bluetooth Sniffer */ |
Marcel Holtmann | 4f64fa8 | 2014-07-07 00:12:04 +0200 | [diff] [blame] | 276 | { USB_DEVICE(0x16d3, 0x0002), |
| 277 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 278 | |
Marcel Holtmann | cb1ee89 | 2015-01-28 19:41:42 -0800 | [diff] [blame] | 279 | /* Marvell Bluetooth devices */ |
| 280 | { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL }, |
| 281 | { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL }, |
| 282 | |
Marcel Holtmann | d0ac9eb | 2015-01-28 19:41:43 -0800 | [diff] [blame] | 283 | /* Intel Bluetooth devices */ |
Marcel Holtmann | 407550f | 2015-02-22 15:41:18 -0800 | [diff] [blame] | 284 | { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR }, |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 285 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, |
Tedd Ho-Jeong An | ef4e5e4 | 2013-11-12 13:10:58 -0800 | [diff] [blame] | 286 | { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL }, |
Marcel Holtmann | cda0dd7 | 2015-01-26 21:33:48 -0800 | [diff] [blame] | 287 | { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW }, |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 288 | |
Marcel Holtmann | d0ac9eb | 2015-01-28 19:41:43 -0800 | [diff] [blame] | 289 | /* Other Intel Bluetooth devices */ |
| 290 | { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01), |
| 291 | .driver_info = BTUSB_IGNORE }, |
Amitkumar Karwar | ae8df49 | 2014-07-18 14:47:06 -0700 | [diff] [blame] | 292 | |
Daniel Drake | a2698a9 | 2015-04-16 14:09:55 -0600 | [diff] [blame] | 293 | /* Realtek Bluetooth devices */ |
| 294 | { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01), |
| 295 | .driver_info = BTUSB_REALTEK }, |
| 296 | |
| 297 | /* Additional Realtek 8723AE Bluetooth devices */ |
| 298 | { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK }, |
| 299 | { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK }, |
| 300 | |
| 301 | /* Additional Realtek 8723BE Bluetooth devices */ |
| 302 | { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK }, |
| 303 | { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK }, |
| 304 | { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK }, |
| 305 | { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK }, |
| 306 | { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK }, |
| 307 | |
| 308 | /* Additional Realtek 8821AE Bluetooth devices */ |
| 309 | { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK }, |
| 310 | { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK }, |
| 311 | { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK }, |
| 312 | { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK }, |
| 313 | { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK }, |
| 314 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 315 | { } /* Terminating entry */ |
| 316 | }; |
| 317 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 318 | #define BTUSB_MAX_ISOC_FRAMES 10 |
| 319 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 320 | #define BTUSB_INTR_RUNNING 0 |
| 321 | #define BTUSB_BULK_RUNNING 1 |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 322 | #define BTUSB_ISOC_RUNNING 2 |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 323 | #define BTUSB_SUSPENDING 3 |
Gustavo F. Padovan | 08b8b6c | 2010-07-16 17:20:33 -0300 | [diff] [blame] | 324 | #define BTUSB_DID_ISO_RESUME 4 |
Marcel Holtmann | cda0dd7 | 2015-01-26 21:33:48 -0800 | [diff] [blame] | 325 | #define BTUSB_BOOTLOADER 5 |
| 326 | #define BTUSB_DOWNLOADING 6 |
Marcel Holtmann | ce6bb92 | 2015-01-28 01:58:40 -0800 | [diff] [blame] | 327 | #define BTUSB_FIRMWARE_LOADED 7 |
Marcel Holtmann | cda0dd7 | 2015-01-26 21:33:48 -0800 | [diff] [blame] | 328 | #define BTUSB_FIRMWARE_FAILED 8 |
Marcel Holtmann | ce6bb92 | 2015-01-28 01:58:40 -0800 | [diff] [blame] | 329 | #define BTUSB_BOOTING 9 |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 330 | |
| 331 | struct btusb_data { |
| 332 | struct hci_dev *hdev; |
| 333 | struct usb_device *udev; |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 334 | struct usb_interface *intf; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 335 | struct usb_interface *isoc; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 336 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 337 | unsigned long flags; |
| 338 | |
| 339 | struct work_struct work; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 340 | struct work_struct waker; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 341 | |
Marcel Holtmann | 803b583 | 2014-09-16 08:00:29 +0200 | [diff] [blame] | 342 | struct usb_anchor deferred; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 343 | struct usb_anchor tx_anchor; |
Marcel Holtmann | 803b583 | 2014-09-16 08:00:29 +0200 | [diff] [blame] | 344 | int tx_in_flight; |
| 345 | spinlock_t txlock; |
| 346 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 347 | struct usb_anchor intr_anchor; |
| 348 | struct usb_anchor bulk_anchor; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 349 | struct usb_anchor isoc_anchor; |
Marcel Holtmann | 803b583 | 2014-09-16 08:00:29 +0200 | [diff] [blame] | 350 | spinlock_t rxlock; |
| 351 | |
| 352 | struct sk_buff *evt_skb; |
| 353 | struct sk_buff *acl_skb; |
| 354 | struct sk_buff *sco_skb; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 355 | |
| 356 | struct usb_endpoint_descriptor *intr_ep; |
| 357 | struct usb_endpoint_descriptor *bulk_tx_ep; |
| 358 | struct usb_endpoint_descriptor *bulk_rx_ep; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 359 | struct usb_endpoint_descriptor *isoc_tx_ep; |
| 360 | struct usb_endpoint_descriptor *isoc_rx_ep; |
| 361 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 362 | __u8 cmdreq_type; |
Marcel Holtmann | 893ba54 | 2015-01-28 20:27:34 -0800 | [diff] [blame] | 363 | __u8 cmdreq; |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 364 | |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 365 | unsigned int sco_num; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 366 | int isoc_altsetting; |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 367 | int suspend_count; |
Marcel Holtmann | 2cbd3f5 | 2014-11-03 05:16:07 +0100 | [diff] [blame] | 368 | |
Marcel Holtmann | 97307f5 | 2015-01-12 13:51:10 -0800 | [diff] [blame] | 369 | int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb); |
Marcel Holtmann | 2cbd3f5 | 2014-11-03 05:16:07 +0100 | [diff] [blame] | 370 | int (*recv_bulk)(struct btusb_data *data, void *buffer, int count); |
Kim, Ben Young Tae | ace3198 | 2015-02-15 23:06:14 +0000 | [diff] [blame] | 371 | |
| 372 | int (*setup_on_usb)(struct hci_dev *hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 373 | }; |
| 374 | |
Marcel Holtmann | 803b583 | 2014-09-16 08:00:29 +0200 | [diff] [blame] | 375 | static inline void btusb_free_frags(struct btusb_data *data) |
| 376 | { |
| 377 | unsigned long flags; |
| 378 | |
| 379 | spin_lock_irqsave(&data->rxlock, flags); |
| 380 | |
| 381 | kfree_skb(data->evt_skb); |
| 382 | data->evt_skb = NULL; |
| 383 | |
| 384 | kfree_skb(data->acl_skb); |
| 385 | data->acl_skb = NULL; |
| 386 | |
| 387 | kfree_skb(data->sco_skb); |
| 388 | data->sco_skb = NULL; |
| 389 | |
| 390 | spin_unlock_irqrestore(&data->rxlock, flags); |
| 391 | } |
| 392 | |
Marcel Holtmann | 1ffa4ad | 2014-09-16 05:33:33 +0200 | [diff] [blame] | 393 | static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count) |
| 394 | { |
Marcel Holtmann | 803b583 | 2014-09-16 08:00:29 +0200 | [diff] [blame] | 395 | struct sk_buff *skb; |
| 396 | int err = 0; |
| 397 | |
| 398 | spin_lock(&data->rxlock); |
| 399 | skb = data->evt_skb; |
| 400 | |
| 401 | while (count) { |
| 402 | int len; |
| 403 | |
| 404 | if (!skb) { |
| 405 | skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC); |
| 406 | if (!skb) { |
| 407 | err = -ENOMEM; |
| 408 | break; |
| 409 | } |
| 410 | |
| 411 | bt_cb(skb)->pkt_type = HCI_EVENT_PKT; |
| 412 | bt_cb(skb)->expect = HCI_EVENT_HDR_SIZE; |
| 413 | } |
| 414 | |
| 415 | len = min_t(uint, bt_cb(skb)->expect, count); |
| 416 | memcpy(skb_put(skb, len), buffer, len); |
| 417 | |
| 418 | count -= len; |
| 419 | buffer += len; |
| 420 | bt_cb(skb)->expect -= len; |
| 421 | |
| 422 | if (skb->len == HCI_EVENT_HDR_SIZE) { |
| 423 | /* Complete event header */ |
| 424 | bt_cb(skb)->expect = hci_event_hdr(skb)->plen; |
| 425 | |
| 426 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { |
| 427 | kfree_skb(skb); |
| 428 | skb = NULL; |
| 429 | |
| 430 | err = -EILSEQ; |
| 431 | break; |
| 432 | } |
| 433 | } |
| 434 | |
| 435 | if (bt_cb(skb)->expect == 0) { |
| 436 | /* Complete frame */ |
Marcel Holtmann | 97307f5 | 2015-01-12 13:51:10 -0800 | [diff] [blame] | 437 | data->recv_event(data->hdev, skb); |
Marcel Holtmann | 803b583 | 2014-09-16 08:00:29 +0200 | [diff] [blame] | 438 | skb = NULL; |
| 439 | } |
| 440 | } |
| 441 | |
| 442 | data->evt_skb = skb; |
| 443 | spin_unlock(&data->rxlock); |
| 444 | |
| 445 | return err; |
Marcel Holtmann | 1ffa4ad | 2014-09-16 05:33:33 +0200 | [diff] [blame] | 446 | } |
| 447 | |
| 448 | static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count) |
| 449 | { |
Marcel Holtmann | 803b583 | 2014-09-16 08:00:29 +0200 | [diff] [blame] | 450 | struct sk_buff *skb; |
| 451 | int err = 0; |
| 452 | |
| 453 | spin_lock(&data->rxlock); |
| 454 | skb = data->acl_skb; |
| 455 | |
| 456 | while (count) { |
| 457 | int len; |
| 458 | |
| 459 | if (!skb) { |
| 460 | skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC); |
| 461 | if (!skb) { |
| 462 | err = -ENOMEM; |
| 463 | break; |
| 464 | } |
| 465 | |
| 466 | bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT; |
| 467 | bt_cb(skb)->expect = HCI_ACL_HDR_SIZE; |
| 468 | } |
| 469 | |
| 470 | len = min_t(uint, bt_cb(skb)->expect, count); |
| 471 | memcpy(skb_put(skb, len), buffer, len); |
| 472 | |
| 473 | count -= len; |
| 474 | buffer += len; |
| 475 | bt_cb(skb)->expect -= len; |
| 476 | |
| 477 | if (skb->len == HCI_ACL_HDR_SIZE) { |
| 478 | __le16 dlen = hci_acl_hdr(skb)->dlen; |
| 479 | |
| 480 | /* Complete ACL header */ |
| 481 | bt_cb(skb)->expect = __le16_to_cpu(dlen); |
| 482 | |
| 483 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { |
| 484 | kfree_skb(skb); |
| 485 | skb = NULL; |
| 486 | |
| 487 | err = -EILSEQ; |
| 488 | break; |
| 489 | } |
| 490 | } |
| 491 | |
| 492 | if (bt_cb(skb)->expect == 0) { |
| 493 | /* Complete frame */ |
| 494 | hci_recv_frame(data->hdev, skb); |
| 495 | skb = NULL; |
| 496 | } |
| 497 | } |
| 498 | |
| 499 | data->acl_skb = skb; |
| 500 | spin_unlock(&data->rxlock); |
| 501 | |
| 502 | return err; |
Marcel Holtmann | 1ffa4ad | 2014-09-16 05:33:33 +0200 | [diff] [blame] | 503 | } |
| 504 | |
| 505 | static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count) |
| 506 | { |
Marcel Holtmann | 803b583 | 2014-09-16 08:00:29 +0200 | [diff] [blame] | 507 | struct sk_buff *skb; |
| 508 | int err = 0; |
| 509 | |
| 510 | spin_lock(&data->rxlock); |
| 511 | skb = data->sco_skb; |
| 512 | |
| 513 | while (count) { |
| 514 | int len; |
| 515 | |
| 516 | if (!skb) { |
| 517 | skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC); |
| 518 | if (!skb) { |
| 519 | err = -ENOMEM; |
| 520 | break; |
| 521 | } |
| 522 | |
| 523 | bt_cb(skb)->pkt_type = HCI_SCODATA_PKT; |
| 524 | bt_cb(skb)->expect = HCI_SCO_HDR_SIZE; |
| 525 | } |
| 526 | |
| 527 | len = min_t(uint, bt_cb(skb)->expect, count); |
| 528 | memcpy(skb_put(skb, len), buffer, len); |
| 529 | |
| 530 | count -= len; |
| 531 | buffer += len; |
| 532 | bt_cb(skb)->expect -= len; |
| 533 | |
| 534 | if (skb->len == HCI_SCO_HDR_SIZE) { |
| 535 | /* Complete SCO header */ |
| 536 | bt_cb(skb)->expect = hci_sco_hdr(skb)->dlen; |
| 537 | |
| 538 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { |
| 539 | kfree_skb(skb); |
| 540 | skb = NULL; |
| 541 | |
| 542 | err = -EILSEQ; |
| 543 | break; |
| 544 | } |
| 545 | } |
| 546 | |
| 547 | if (bt_cb(skb)->expect == 0) { |
| 548 | /* Complete frame */ |
| 549 | hci_recv_frame(data->hdev, skb); |
| 550 | skb = NULL; |
| 551 | } |
| 552 | } |
| 553 | |
| 554 | data->sco_skb = skb; |
| 555 | spin_unlock(&data->rxlock); |
| 556 | |
| 557 | return err; |
Marcel Holtmann | 1ffa4ad | 2014-09-16 05:33:33 +0200 | [diff] [blame] | 558 | } |
| 559 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 560 | static void btusb_intr_complete(struct urb *urb) |
| 561 | { |
| 562 | struct hci_dev *hdev = urb->context; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 563 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 564 | int err; |
| 565 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 566 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
| 567 | urb->actual_length); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 568 | |
| 569 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 570 | return; |
| 571 | |
| 572 | if (urb->status == 0) { |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 573 | hdev->stat.byte_rx += urb->actual_length; |
| 574 | |
Marcel Holtmann | 1ffa4ad | 2014-09-16 05:33:33 +0200 | [diff] [blame] | 575 | if (btusb_recv_intr(data, urb->transfer_buffer, |
| 576 | urb->actual_length) < 0) { |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 577 | BT_ERR("%s corrupted event packet", hdev->name); |
| 578 | hdev->stat.err_rx++; |
| 579 | } |
Champion Chen | 85560c4 | 2014-09-06 14:06:08 -0500 | [diff] [blame] | 580 | } else if (urb->status == -ENOENT) { |
| 581 | /* Avoid suspend failed when usb_kill_urb */ |
| 582 | return; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 583 | } |
| 584 | |
| 585 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) |
| 586 | return; |
| 587 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 588 | usb_mark_last_busy(data->udev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 589 | usb_anchor_urb(urb, &data->intr_anchor); |
| 590 | |
| 591 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 592 | if (err < 0) { |
Paul Bolle | 4935f1c | 2011-08-09 17:16:28 +0200 | [diff] [blame] | 593 | /* -EPERM: urb is being killed; |
| 594 | * -ENODEV: device got disconnected */ |
| 595 | if (err != -EPERM && err != -ENODEV) |
Stefan Seyfried | 61faddf | 2010-11-30 21:49:08 +0100 | [diff] [blame] | 596 | BT_ERR("%s urb %p failed to resubmit (%d)", |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 597 | hdev->name, urb, -err); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 598 | usb_unanchor_urb(urb); |
| 599 | } |
| 600 | } |
| 601 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 602 | 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] | 603 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 604 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 605 | struct urb *urb; |
| 606 | unsigned char *buf; |
| 607 | unsigned int pipe; |
| 608 | int err, size; |
| 609 | |
| 610 | BT_DBG("%s", hdev->name); |
| 611 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 612 | if (!data->intr_ep) |
| 613 | return -ENODEV; |
| 614 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 615 | urb = usb_alloc_urb(0, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 616 | if (!urb) |
| 617 | return -ENOMEM; |
| 618 | |
| 619 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); |
| 620 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 621 | buf = kmalloc(size, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 622 | if (!buf) { |
| 623 | usb_free_urb(urb); |
| 624 | return -ENOMEM; |
| 625 | } |
| 626 | |
| 627 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); |
| 628 | |
| 629 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 630 | btusb_intr_complete, hdev, data->intr_ep->bInterval); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 631 | |
| 632 | urb->transfer_flags |= URB_FREE_BUFFER; |
| 633 | |
| 634 | usb_anchor_urb(urb, &data->intr_anchor); |
| 635 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 636 | err = usb_submit_urb(urb, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 637 | if (err < 0) { |
Paul Bolle | d4b8d1c | 2011-10-09 12:12:22 +0200 | [diff] [blame] | 638 | if (err != -EPERM && err != -ENODEV) |
| 639 | BT_ERR("%s urb %p submission failed (%d)", |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 640 | hdev->name, urb, -err); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 641 | usb_unanchor_urb(urb); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 642 | } |
| 643 | |
| 644 | usb_free_urb(urb); |
| 645 | |
| 646 | return err; |
| 647 | } |
| 648 | |
| 649 | static void btusb_bulk_complete(struct urb *urb) |
| 650 | { |
| 651 | struct hci_dev *hdev = urb->context; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 652 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 653 | int err; |
| 654 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 655 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
| 656 | urb->actual_length); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 657 | |
| 658 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 659 | return; |
| 660 | |
| 661 | if (urb->status == 0) { |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 662 | hdev->stat.byte_rx += urb->actual_length; |
| 663 | |
Marcel Holtmann | 2cbd3f5 | 2014-11-03 05:16:07 +0100 | [diff] [blame] | 664 | if (data->recv_bulk(data, urb->transfer_buffer, |
Marcel Holtmann | 1ffa4ad | 2014-09-16 05:33:33 +0200 | [diff] [blame] | 665 | urb->actual_length) < 0) { |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 666 | BT_ERR("%s corrupted ACL packet", hdev->name); |
| 667 | hdev->stat.err_rx++; |
| 668 | } |
Champion Chen | 85560c4 | 2014-09-06 14:06:08 -0500 | [diff] [blame] | 669 | } else if (urb->status == -ENOENT) { |
| 670 | /* Avoid suspend failed when usb_kill_urb */ |
| 671 | return; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 672 | } |
| 673 | |
| 674 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) |
| 675 | return; |
| 676 | |
| 677 | usb_anchor_urb(urb, &data->bulk_anchor); |
Oliver Neukum | 652fd78 | 2009-12-16 19:23:43 +0100 | [diff] [blame] | 678 | usb_mark_last_busy(data->udev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 679 | |
| 680 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 681 | if (err < 0) { |
Paul Bolle | 4935f1c | 2011-08-09 17:16:28 +0200 | [diff] [blame] | 682 | /* -EPERM: urb is being killed; |
| 683 | * -ENODEV: device got disconnected */ |
| 684 | if (err != -EPERM && err != -ENODEV) |
Stefan Seyfried | 61faddf | 2010-11-30 21:49:08 +0100 | [diff] [blame] | 685 | BT_ERR("%s urb %p failed to resubmit (%d)", |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 686 | hdev->name, urb, -err); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 687 | usb_unanchor_urb(urb); |
| 688 | } |
| 689 | } |
| 690 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 691 | 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] | 692 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 693 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 694 | struct urb *urb; |
| 695 | unsigned char *buf; |
| 696 | unsigned int pipe; |
Vikram Kandukuri | 290ba20 | 2009-07-02 14:31:59 +0530 | [diff] [blame] | 697 | int err, size = HCI_MAX_FRAME_SIZE; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 698 | |
| 699 | BT_DBG("%s", hdev->name); |
| 700 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 701 | if (!data->bulk_rx_ep) |
| 702 | return -ENODEV; |
| 703 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 704 | urb = usb_alloc_urb(0, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 705 | if (!urb) |
| 706 | return -ENOMEM; |
| 707 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 708 | buf = kmalloc(size, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 709 | if (!buf) { |
| 710 | usb_free_urb(urb); |
| 711 | return -ENOMEM; |
| 712 | } |
| 713 | |
| 714 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); |
| 715 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 716 | usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, |
| 717 | btusb_bulk_complete, hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 718 | |
| 719 | urb->transfer_flags |= URB_FREE_BUFFER; |
| 720 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 721 | usb_mark_last_busy(data->udev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 722 | usb_anchor_urb(urb, &data->bulk_anchor); |
| 723 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 724 | err = usb_submit_urb(urb, mem_flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 725 | if (err < 0) { |
Paul Bolle | d4b8d1c | 2011-10-09 12:12:22 +0200 | [diff] [blame] | 726 | if (err != -EPERM && err != -ENODEV) |
| 727 | BT_ERR("%s urb %p submission failed (%d)", |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 728 | hdev->name, urb, -err); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 729 | usb_unanchor_urb(urb); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 730 | } |
| 731 | |
| 732 | usb_free_urb(urb); |
| 733 | |
| 734 | return err; |
| 735 | } |
| 736 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 737 | static void btusb_isoc_complete(struct urb *urb) |
| 738 | { |
| 739 | struct hci_dev *hdev = urb->context; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 740 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 741 | int i, err; |
| 742 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 743 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
| 744 | urb->actual_length); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 745 | |
| 746 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 747 | return; |
| 748 | |
| 749 | if (urb->status == 0) { |
| 750 | for (i = 0; i < urb->number_of_packets; i++) { |
| 751 | unsigned int offset = urb->iso_frame_desc[i].offset; |
| 752 | unsigned int length = urb->iso_frame_desc[i].actual_length; |
| 753 | |
| 754 | if (urb->iso_frame_desc[i].status) |
| 755 | continue; |
| 756 | |
| 757 | hdev->stat.byte_rx += length; |
| 758 | |
Marcel Holtmann | 1ffa4ad | 2014-09-16 05:33:33 +0200 | [diff] [blame] | 759 | if (btusb_recv_isoc(data, urb->transfer_buffer + offset, |
| 760 | length) < 0) { |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 761 | BT_ERR("%s corrupted SCO packet", hdev->name); |
| 762 | hdev->stat.err_rx++; |
| 763 | } |
| 764 | } |
Champion Chen | 85560c4 | 2014-09-06 14:06:08 -0500 | [diff] [blame] | 765 | } else if (urb->status == -ENOENT) { |
| 766 | /* Avoid suspend failed when usb_kill_urb */ |
| 767 | return; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 768 | } |
| 769 | |
| 770 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) |
| 771 | return; |
| 772 | |
| 773 | usb_anchor_urb(urb, &data->isoc_anchor); |
| 774 | |
| 775 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 776 | if (err < 0) { |
Paul Bolle | 4935f1c | 2011-08-09 17:16:28 +0200 | [diff] [blame] | 777 | /* -EPERM: urb is being killed; |
| 778 | * -ENODEV: device got disconnected */ |
| 779 | if (err != -EPERM && err != -ENODEV) |
Stefan Seyfried | 61faddf | 2010-11-30 21:49:08 +0100 | [diff] [blame] | 780 | BT_ERR("%s urb %p failed to resubmit (%d)", |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 781 | hdev->name, urb, -err); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 782 | usb_unanchor_urb(urb); |
| 783 | } |
| 784 | } |
| 785 | |
Jesper Juhl | 42b16b3 | 2011-01-17 00:09:38 +0100 | [diff] [blame] | 786 | 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] | 787 | { |
| 788 | int i, offset = 0; |
| 789 | |
| 790 | BT_DBG("len %d mtu %d", len, mtu); |
| 791 | |
| 792 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; |
| 793 | i++, offset += mtu, len -= mtu) { |
| 794 | urb->iso_frame_desc[i].offset = offset; |
| 795 | urb->iso_frame_desc[i].length = mtu; |
| 796 | } |
| 797 | |
| 798 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { |
| 799 | urb->iso_frame_desc[i].offset = offset; |
| 800 | urb->iso_frame_desc[i].length = len; |
| 801 | i++; |
| 802 | } |
| 803 | |
| 804 | urb->number_of_packets = i; |
| 805 | } |
| 806 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 807 | 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] | 808 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 809 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 810 | struct urb *urb; |
| 811 | unsigned char *buf; |
| 812 | unsigned int pipe; |
| 813 | int err, size; |
| 814 | |
| 815 | BT_DBG("%s", hdev->name); |
| 816 | |
| 817 | if (!data->isoc_rx_ep) |
| 818 | return -ENODEV; |
| 819 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 820 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 821 | if (!urb) |
| 822 | return -ENOMEM; |
| 823 | |
| 824 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * |
| 825 | BTUSB_MAX_ISOC_FRAMES; |
| 826 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 827 | buf = kmalloc(size, mem_flags); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 828 | if (!buf) { |
| 829 | usb_free_urb(urb); |
| 830 | return -ENOMEM; |
| 831 | } |
| 832 | |
| 833 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); |
| 834 | |
Bing Zhao | fa0fb93 | 2011-12-20 18:19:00 -0800 | [diff] [blame] | 835 | 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] | 836 | hdev, data->isoc_rx_ep->bInterval); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 837 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 838 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 839 | |
| 840 | __fill_isoc_descriptor(urb, size, |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 841 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 842 | |
| 843 | usb_anchor_urb(urb, &data->isoc_anchor); |
| 844 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 845 | err = usb_submit_urb(urb, mem_flags); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 846 | if (err < 0) { |
Paul Bolle | d4b8d1c | 2011-10-09 12:12:22 +0200 | [diff] [blame] | 847 | if (err != -EPERM && err != -ENODEV) |
| 848 | BT_ERR("%s urb %p submission failed (%d)", |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 849 | hdev->name, urb, -err); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 850 | usb_unanchor_urb(urb); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 851 | } |
| 852 | |
| 853 | usb_free_urb(urb); |
| 854 | |
| 855 | return err; |
| 856 | } |
| 857 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 858 | static void btusb_tx_complete(struct urb *urb) |
| 859 | { |
| 860 | struct sk_buff *skb = urb->context; |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 861 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 862 | struct btusb_data *data = hci_get_drvdata(hdev); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 863 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 864 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
| 865 | urb->actual_length); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 866 | |
| 867 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 868 | goto done; |
| 869 | |
| 870 | if (!urb->status) |
| 871 | hdev->stat.byte_tx += urb->transfer_buffer_length; |
| 872 | else |
| 873 | hdev->stat.err_tx++; |
| 874 | |
| 875 | done: |
| 876 | spin_lock(&data->txlock); |
| 877 | data->tx_in_flight--; |
| 878 | spin_unlock(&data->txlock); |
| 879 | |
| 880 | kfree(urb->setup_packet); |
| 881 | |
| 882 | kfree_skb(skb); |
| 883 | } |
| 884 | |
| 885 | static void btusb_isoc_tx_complete(struct urb *urb) |
| 886 | { |
| 887 | struct sk_buff *skb = urb->context; |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 888 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 889 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 890 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
| 891 | urb->actual_length); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 892 | |
| 893 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 894 | goto done; |
| 895 | |
| 896 | if (!urb->status) |
| 897 | hdev->stat.byte_tx += urb->transfer_buffer_length; |
| 898 | else |
| 899 | hdev->stat.err_tx++; |
| 900 | |
| 901 | done: |
| 902 | kfree(urb->setup_packet); |
| 903 | |
| 904 | kfree_skb(skb); |
| 905 | } |
| 906 | |
| 907 | static int btusb_open(struct hci_dev *hdev) |
| 908 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 909 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 910 | int err; |
| 911 | |
| 912 | BT_DBG("%s", hdev->name); |
| 913 | |
Kim, Ben Young Tae | ace3198 | 2015-02-15 23:06:14 +0000 | [diff] [blame] | 914 | /* Patching USB firmware files prior to starting any URBs of HCI path |
| 915 | * It is more safe to use USB bulk channel for downloading USB patch |
| 916 | */ |
| 917 | if (data->setup_on_usb) { |
| 918 | err = data->setup_on_usb(hdev); |
Marcel Holtmann | eb50042 | 2015-04-16 23:15:50 +0200 | [diff] [blame] | 919 | if (err < 0) |
Kim, Ben Young Tae | ace3198 | 2015-02-15 23:06:14 +0000 | [diff] [blame] | 920 | return err; |
| 921 | } |
| 922 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 923 | err = usb_autopm_get_interface(data->intf); |
| 924 | if (err < 0) |
| 925 | return err; |
| 926 | |
| 927 | data->intf->needs_remote_wakeup = 1; |
| 928 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 929 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 930 | goto done; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 931 | |
| 932 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 933 | goto done; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 934 | |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 935 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 936 | if (err < 0) |
| 937 | goto failed; |
| 938 | |
| 939 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 940 | if (err < 0) { |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 941 | usb_kill_anchored_urbs(&data->intr_anchor); |
| 942 | goto failed; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 943 | } |
| 944 | |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 945 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
| 946 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); |
| 947 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 948 | done: |
| 949 | usb_autopm_put_interface(data->intf); |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 950 | return 0; |
| 951 | |
| 952 | failed: |
| 953 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
| 954 | clear_bit(HCI_RUNNING, &hdev->flags); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 955 | usb_autopm_put_interface(data->intf); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 956 | return err; |
| 957 | } |
| 958 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 959 | static void btusb_stop_traffic(struct btusb_data *data) |
| 960 | { |
| 961 | usb_kill_anchored_urbs(&data->intr_anchor); |
| 962 | usb_kill_anchored_urbs(&data->bulk_anchor); |
| 963 | usb_kill_anchored_urbs(&data->isoc_anchor); |
| 964 | } |
| 965 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 966 | static int btusb_close(struct hci_dev *hdev) |
| 967 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 968 | struct btusb_data *data = hci_get_drvdata(hdev); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 969 | int err; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 970 | |
| 971 | BT_DBG("%s", hdev->name); |
| 972 | |
| 973 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) |
| 974 | return 0; |
| 975 | |
Marcel Holtmann | e8c3c3d | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 976 | cancel_work_sync(&data->work); |
Linus Torvalds | 404291a | 2009-11-11 13:32:29 -0800 | [diff] [blame] | 977 | cancel_work_sync(&data->waker); |
Marcel Holtmann | e8c3c3d | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 978 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 979 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 980 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 981 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 982 | |
| 983 | btusb_stop_traffic(data); |
Marcel Holtmann | 803b583 | 2014-09-16 08:00:29 +0200 | [diff] [blame] | 984 | btusb_free_frags(data); |
| 985 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 986 | err = usb_autopm_get_interface(data->intf); |
| 987 | if (err < 0) |
Oliver Neukum | 7b8e2c1 | 2009-11-13 14:26:23 +0100 | [diff] [blame] | 988 | goto failed; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 989 | |
| 990 | data->intf->needs_remote_wakeup = 0; |
| 991 | usb_autopm_put_interface(data->intf); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 992 | |
Oliver Neukum | 7b8e2c1 | 2009-11-13 14:26:23 +0100 | [diff] [blame] | 993 | failed: |
| 994 | usb_scuttle_anchored_urbs(&data->deferred); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 995 | return 0; |
| 996 | } |
| 997 | |
| 998 | static int btusb_flush(struct hci_dev *hdev) |
| 999 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 1000 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1001 | |
| 1002 | BT_DBG("%s", hdev->name); |
| 1003 | |
| 1004 | usb_kill_anchored_urbs(&data->tx_anchor); |
Marcel Holtmann | 803b583 | 2014-09-16 08:00:29 +0200 | [diff] [blame] | 1005 | btusb_free_frags(data); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1006 | |
| 1007 | return 0; |
| 1008 | } |
| 1009 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 1010 | 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] | 1011 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 1012 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1013 | struct usb_ctrlrequest *dr; |
| 1014 | struct urb *urb; |
| 1015 | unsigned int pipe; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1016 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 1017 | urb = usb_alloc_urb(0, GFP_KERNEL); |
| 1018 | if (!urb) |
| 1019 | return ERR_PTR(-ENOMEM); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1020 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 1021 | dr = kmalloc(sizeof(*dr), GFP_KERNEL); |
| 1022 | if (!dr) { |
| 1023 | usb_free_urb(urb); |
| 1024 | return ERR_PTR(-ENOMEM); |
| 1025 | } |
| 1026 | |
| 1027 | dr->bRequestType = data->cmdreq_type; |
Marcel Holtmann | 893ba54 | 2015-01-28 20:27:34 -0800 | [diff] [blame] | 1028 | dr->bRequest = data->cmdreq; |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 1029 | dr->wIndex = 0; |
| 1030 | dr->wValue = 0; |
| 1031 | dr->wLength = __cpu_to_le16(skb->len); |
| 1032 | |
| 1033 | pipe = usb_sndctrlpipe(data->udev, 0x00); |
| 1034 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 1035 | usb_fill_control_urb(urb, data->udev, pipe, (void *)dr, |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 1036 | skb->data, skb->len, btusb_tx_complete, skb); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1037 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 1038 | skb->dev = (void *)hdev; |
Marcel Holtmann | 7bd8f09 | 2013-10-11 06:19:18 -0700 | [diff] [blame] | 1039 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 1040 | return urb; |
| 1041 | } |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1042 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 1043 | static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb) |
| 1044 | { |
| 1045 | struct btusb_data *data = hci_get_drvdata(hdev); |
| 1046 | struct urb *urb; |
| 1047 | unsigned int pipe; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1048 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 1049 | if (!data->bulk_tx_ep) |
| 1050 | return ERR_PTR(-ENODEV); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1051 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 1052 | urb = usb_alloc_urb(0, GFP_KERNEL); |
| 1053 | if (!urb) |
| 1054 | return ERR_PTR(-ENOMEM); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1055 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 1056 | pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1057 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 1058 | usb_fill_bulk_urb(urb, data->udev, pipe, |
| 1059 | skb->data, skb->len, btusb_tx_complete, skb); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1060 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 1061 | skb->dev = (void *)hdev; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1062 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 1063 | return urb; |
| 1064 | } |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1065 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 1066 | static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb) |
| 1067 | { |
| 1068 | struct btusb_data *data = hci_get_drvdata(hdev); |
| 1069 | struct urb *urb; |
| 1070 | unsigned int pipe; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1071 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 1072 | if (!data->isoc_tx_ep) |
| 1073 | return ERR_PTR(-ENODEV); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1074 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 1075 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL); |
| 1076 | if (!urb) |
| 1077 | return ERR_PTR(-ENOMEM); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1078 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 1079 | pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1080 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 1081 | usb_fill_int_urb(urb, data->udev, pipe, |
| 1082 | skb->data, skb->len, btusb_isoc_tx_complete, |
| 1083 | skb, data->isoc_tx_ep->bInterval); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1084 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 1085 | urb->transfer_flags = URB_ISO_ASAP; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1086 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 1087 | __fill_isoc_descriptor(urb, skb->len, |
| 1088 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1089 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 1090 | skb->dev = (void *)hdev; |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1091 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 1092 | return urb; |
| 1093 | } |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1094 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 1095 | static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb) |
| 1096 | { |
| 1097 | struct btusb_data *data = hci_get_drvdata(hdev); |
| 1098 | int err; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1099 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1100 | usb_anchor_urb(urb, &data->tx_anchor); |
| 1101 | |
Johan Hedberg | e9753ef | 2014-09-14 08:49:34 +0300 | [diff] [blame] | 1102 | err = usb_submit_urb(urb, GFP_KERNEL); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1103 | if (err < 0) { |
Paul Bolle | 5a9b80e | 2011-10-09 12:12:16 +0200 | [diff] [blame] | 1104 | if (err != -EPERM && err != -ENODEV) |
| 1105 | BT_ERR("%s urb %p submission failed (%d)", |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 1106 | hdev->name, urb, -err); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1107 | kfree(urb->setup_packet); |
| 1108 | usb_unanchor_urb(urb); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1109 | } else { |
| 1110 | usb_mark_last_busy(data->udev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1111 | } |
| 1112 | |
Cong Wang | 54a8a79 | 2011-11-22 09:32:57 +0800 | [diff] [blame] | 1113 | usb_free_urb(urb); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1114 | return err; |
| 1115 | } |
| 1116 | |
Marcel Holtmann | 047b2ec | 2014-09-14 09:11:06 +0200 | [diff] [blame] | 1117 | static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb) |
| 1118 | { |
| 1119 | struct btusb_data *data = hci_get_drvdata(hdev); |
| 1120 | unsigned long flags; |
| 1121 | bool suspending; |
| 1122 | |
| 1123 | spin_lock_irqsave(&data->txlock, flags); |
| 1124 | suspending = test_bit(BTUSB_SUSPENDING, &data->flags); |
| 1125 | if (!suspending) |
| 1126 | data->tx_in_flight++; |
| 1127 | spin_unlock_irqrestore(&data->txlock, flags); |
| 1128 | |
| 1129 | if (!suspending) |
| 1130 | return submit_tx_urb(hdev, urb); |
| 1131 | |
| 1132 | usb_anchor_urb(urb, &data->deferred); |
| 1133 | schedule_work(&data->waker); |
| 1134 | |
| 1135 | usb_free_urb(urb); |
| 1136 | return 0; |
| 1137 | } |
| 1138 | |
| 1139 | static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) |
| 1140 | { |
| 1141 | struct urb *urb; |
| 1142 | |
| 1143 | BT_DBG("%s", hdev->name); |
| 1144 | |
| 1145 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 1146 | return -EBUSY; |
| 1147 | |
| 1148 | switch (bt_cb(skb)->pkt_type) { |
| 1149 | case HCI_COMMAND_PKT: |
| 1150 | urb = alloc_ctrl_urb(hdev, skb); |
| 1151 | if (IS_ERR(urb)) |
| 1152 | return PTR_ERR(urb); |
| 1153 | |
| 1154 | hdev->stat.cmd_tx++; |
| 1155 | return submit_or_queue_tx_urb(hdev, urb); |
| 1156 | |
| 1157 | case HCI_ACLDATA_PKT: |
| 1158 | urb = alloc_bulk_urb(hdev, skb); |
| 1159 | if (IS_ERR(urb)) |
| 1160 | return PTR_ERR(urb); |
| 1161 | |
| 1162 | hdev->stat.acl_tx++; |
| 1163 | return submit_or_queue_tx_urb(hdev, urb); |
| 1164 | |
| 1165 | case HCI_SCODATA_PKT: |
| 1166 | if (hci_conn_num(hdev, SCO_LINK) < 1) |
| 1167 | return -ENODEV; |
| 1168 | |
| 1169 | urb = alloc_isoc_urb(hdev, skb); |
| 1170 | if (IS_ERR(urb)) |
| 1171 | return PTR_ERR(urb); |
| 1172 | |
| 1173 | hdev->stat.sco_tx++; |
| 1174 | return submit_tx_urb(hdev, urb); |
| 1175 | } |
| 1176 | |
| 1177 | return -EILSEQ; |
| 1178 | } |
| 1179 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1180 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
| 1181 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 1182 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1183 | |
| 1184 | BT_DBG("%s evt %d", hdev->name, evt); |
| 1185 | |
Marcel Holtmann | 014f7bc | 2013-10-10 09:47:55 -0700 | [diff] [blame] | 1186 | if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { |
| 1187 | data->sco_num = hci_conn_num(hdev, SCO_LINK); |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 1188 | schedule_work(&data->work); |
Marcel Holtmann | a780efa | 2008-11-30 12:17:12 +0100 | [diff] [blame] | 1189 | } |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1190 | } |
| 1191 | |
Jesper Juhl | 42b16b3 | 2011-01-17 00:09:38 +0100 | [diff] [blame] | 1192 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1193 | { |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 1194 | struct btusb_data *data = hci_get_drvdata(hdev); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1195 | struct usb_interface *intf = data->isoc; |
| 1196 | struct usb_endpoint_descriptor *ep_desc; |
| 1197 | int i, err; |
| 1198 | |
| 1199 | if (!data->isoc) |
| 1200 | return -ENODEV; |
| 1201 | |
| 1202 | err = usb_set_interface(data->udev, 1, altsetting); |
| 1203 | if (err < 0) { |
| 1204 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); |
| 1205 | return err; |
| 1206 | } |
| 1207 | |
| 1208 | data->isoc_altsetting = altsetting; |
| 1209 | |
| 1210 | data->isoc_tx_ep = NULL; |
| 1211 | data->isoc_rx_ep = NULL; |
| 1212 | |
| 1213 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { |
| 1214 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; |
| 1215 | |
| 1216 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { |
| 1217 | data->isoc_tx_ep = ep_desc; |
| 1218 | continue; |
| 1219 | } |
| 1220 | |
| 1221 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { |
| 1222 | data->isoc_rx_ep = ep_desc; |
| 1223 | continue; |
| 1224 | } |
| 1225 | } |
| 1226 | |
| 1227 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { |
| 1228 | BT_ERR("%s invalid SCO descriptors", hdev->name); |
| 1229 | return -ENODEV; |
| 1230 | } |
| 1231 | |
| 1232 | return 0; |
| 1233 | } |
| 1234 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1235 | static void btusb_work(struct work_struct *work) |
| 1236 | { |
| 1237 | struct btusb_data *data = container_of(work, struct btusb_data, work); |
| 1238 | struct hci_dev *hdev = data->hdev; |
Mikel Astiz | f4001d2 | 2012-04-11 08:48:51 +0200 | [diff] [blame] | 1239 | int new_alts; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1240 | int err; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1241 | |
Marcel Holtmann | 014f7bc | 2013-10-10 09:47:55 -0700 | [diff] [blame] | 1242 | if (data->sco_num > 0) { |
Gustavo F. Padovan | 08b8b6c | 2010-07-16 17:20:33 -0300 | [diff] [blame] | 1243 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
Oliver Neukum | 8efdd0c | 2011-02-11 13:00:06 +0100 | [diff] [blame] | 1244 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1245 | if (err < 0) { |
| 1246 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 1247 | usb_kill_anchored_urbs(&data->isoc_anchor); |
| 1248 | return; |
| 1249 | } |
| 1250 | |
Gustavo F. Padovan | 08b8b6c | 2010-07-16 17:20:33 -0300 | [diff] [blame] | 1251 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1252 | } |
Mikel Astiz | f4001d2 | 2012-04-11 08:48:51 +0200 | [diff] [blame] | 1253 | |
| 1254 | if (hdev->voice_setting & 0x0020) { |
| 1255 | static const int alts[3] = { 2, 4, 5 }; |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 1256 | |
Marcel Holtmann | 014f7bc | 2013-10-10 09:47:55 -0700 | [diff] [blame] | 1257 | new_alts = alts[data->sco_num - 1]; |
Mikel Astiz | f4001d2 | 2012-04-11 08:48:51 +0200 | [diff] [blame] | 1258 | } else { |
Marcel Holtmann | 014f7bc | 2013-10-10 09:47:55 -0700 | [diff] [blame] | 1259 | new_alts = data->sco_num; |
Mikel Astiz | f4001d2 | 2012-04-11 08:48:51 +0200 | [diff] [blame] | 1260 | } |
| 1261 | |
| 1262 | if (data->isoc_altsetting != new_alts) { |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1263 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 1264 | usb_kill_anchored_urbs(&data->isoc_anchor); |
| 1265 | |
Mikel Astiz | f4001d2 | 2012-04-11 08:48:51 +0200 | [diff] [blame] | 1266 | if (__set_isoc_interface(hdev, new_alts) < 0) |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1267 | return; |
| 1268 | } |
| 1269 | |
| 1270 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 1271 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1272 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 1273 | else |
Marcel Holtmann | 2eda66f | 2008-11-30 12:17:10 +0100 | [diff] [blame] | 1274 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 1275 | } |
| 1276 | } else { |
| 1277 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 1278 | usb_kill_anchored_urbs(&data->isoc_anchor); |
| 1279 | |
| 1280 | __set_isoc_interface(hdev, 0); |
Gustavo F. Padovan | 08b8b6c | 2010-07-16 17:20:33 -0300 | [diff] [blame] | 1281 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
Oliver Neukum | 8efdd0c | 2011-02-11 13:00:06 +0100 | [diff] [blame] | 1282 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 1283 | } |
| 1284 | } |
| 1285 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 1286 | static void btusb_waker(struct work_struct *work) |
| 1287 | { |
| 1288 | struct btusb_data *data = container_of(work, struct btusb_data, waker); |
| 1289 | int err; |
| 1290 | |
| 1291 | err = usb_autopm_get_interface(data->intf); |
| 1292 | if (err < 0) |
| 1293 | return; |
| 1294 | |
| 1295 | usb_autopm_put_interface(data->intf); |
| 1296 | } |
| 1297 | |
Daniel Drake | 6576fe4 | 2015-02-23 18:16:47 -0600 | [diff] [blame] | 1298 | static struct sk_buff *btusb_read_local_version(struct hci_dev *hdev) |
| 1299 | { |
| 1300 | struct sk_buff *skb; |
| 1301 | |
| 1302 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, |
| 1303 | HCI_INIT_TIMEOUT); |
| 1304 | if (IS_ERR(skb)) { |
| 1305 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)", |
| 1306 | hdev->name, PTR_ERR(skb)); |
| 1307 | return skb; |
| 1308 | } |
| 1309 | |
| 1310 | if (skb->len != sizeof(struct hci_rp_read_local_version)) { |
| 1311 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch", |
| 1312 | hdev->name); |
| 1313 | kfree_skb(skb); |
| 1314 | return ERR_PTR(-EIO); |
| 1315 | } |
| 1316 | |
| 1317 | return skb; |
| 1318 | } |
| 1319 | |
Marcel Holtmann | 9f8f962 | 2013-04-10 08:11:35 -0700 | [diff] [blame] | 1320 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
| 1321 | { |
| 1322 | struct sk_buff *skb; |
| 1323 | u8 val = 0x00; |
| 1324 | |
| 1325 | BT_DBG("%s", hdev->name); |
| 1326 | |
| 1327 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); |
| 1328 | if (IS_ERR(skb)) |
| 1329 | BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb)); |
| 1330 | else |
| 1331 | kfree_skb(skb); |
| 1332 | |
| 1333 | return 0; |
| 1334 | } |
| 1335 | |
Marcel Holtmann | 81cac64 | 2014-01-03 03:02:36 -0800 | [diff] [blame] | 1336 | static int btusb_setup_csr(struct hci_dev *hdev) |
| 1337 | { |
| 1338 | struct hci_rp_read_local_version *rp; |
| 1339 | struct sk_buff *skb; |
| 1340 | int ret; |
| 1341 | |
| 1342 | BT_DBG("%s", hdev->name); |
| 1343 | |
Daniel Drake | 6576fe4 | 2015-02-23 18:16:47 -0600 | [diff] [blame] | 1344 | skb = btusb_read_local_version(hdev); |
| 1345 | if (IS_ERR(skb)) |
Marcel Holtmann | 81cac64 | 2014-01-03 03:02:36 -0800 | [diff] [blame] | 1346 | return -PTR_ERR(skb); |
Marcel Holtmann | 81cac64 | 2014-01-03 03:02:36 -0800 | [diff] [blame] | 1347 | |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 1348 | rp = (struct hci_rp_read_local_version *)skb->data; |
Marcel Holtmann | 81cac64 | 2014-01-03 03:02:36 -0800 | [diff] [blame] | 1349 | |
| 1350 | if (!rp->status) { |
| 1351 | if (le16_to_cpu(rp->manufacturer) != 10) { |
| 1352 | /* Clear the reset quirk since this is not an actual |
| 1353 | * early Bluetooth 1.1 device from CSR. |
| 1354 | */ |
| 1355 | clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
| 1356 | |
| 1357 | /* These fake CSR controllers have all a broken |
| 1358 | * stored link key handling and so just disable it. |
| 1359 | */ |
| 1360 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, |
| 1361 | &hdev->quirks); |
| 1362 | } |
| 1363 | } |
| 1364 | |
| 1365 | ret = -bt_to_errno(rp->status); |
| 1366 | |
| 1367 | kfree_skb(skb); |
| 1368 | |
| 1369 | return ret; |
| 1370 | } |
| 1371 | |
Daniel Drake | a2698a9 | 2015-04-16 14:09:55 -0600 | [diff] [blame] | 1372 | #define RTL_FRAG_LEN 252 |
| 1373 | |
| 1374 | struct rtl_download_cmd { |
| 1375 | __u8 index; |
| 1376 | __u8 data[RTL_FRAG_LEN]; |
| 1377 | } __packed; |
| 1378 | |
| 1379 | struct rtl_download_response { |
| 1380 | __u8 status; |
| 1381 | __u8 index; |
| 1382 | } __packed; |
| 1383 | |
| 1384 | struct rtl_rom_version_evt { |
| 1385 | __u8 status; |
| 1386 | __u8 version; |
| 1387 | } __packed; |
| 1388 | |
| 1389 | struct rtl_epatch_header { |
| 1390 | __u8 signature[8]; |
| 1391 | __le32 fw_version; |
| 1392 | __le16 num_patches; |
| 1393 | } __packed; |
| 1394 | |
| 1395 | #define RTL_EPATCH_SIGNATURE "Realtech" |
| 1396 | #define RTL_ROM_LMP_3499 0x3499 |
| 1397 | #define RTL_ROM_LMP_8723A 0x1200 |
| 1398 | #define RTL_ROM_LMP_8723B 0x8723 |
| 1399 | #define RTL_ROM_LMP_8821A 0x8821 |
| 1400 | #define RTL_ROM_LMP_8761A 0x8761 |
| 1401 | |
| 1402 | static int rtl_read_rom_version(struct hci_dev *hdev, u8 *version) |
| 1403 | { |
| 1404 | struct rtl_rom_version_evt *rom_version; |
| 1405 | struct sk_buff *skb; |
| 1406 | int ret; |
| 1407 | |
| 1408 | /* Read RTL ROM version command */ |
| 1409 | skb = __hci_cmd_sync(hdev, 0xfc6d, 0, NULL, HCI_INIT_TIMEOUT); |
| 1410 | if (IS_ERR(skb)) { |
| 1411 | BT_ERR("%s: Read ROM version failed (%ld)", |
| 1412 | hdev->name, PTR_ERR(skb)); |
| 1413 | return PTR_ERR(skb); |
| 1414 | } |
| 1415 | |
| 1416 | if (skb->len != sizeof(*rom_version)) { |
| 1417 | BT_ERR("%s: RTL version event length mismatch", hdev->name); |
| 1418 | kfree_skb(skb); |
| 1419 | return -EIO; |
| 1420 | } |
| 1421 | |
| 1422 | rom_version = (struct rtl_rom_version_evt *)skb->data; |
| 1423 | BT_INFO("%s: rom_version status=%x version=%x", |
| 1424 | hdev->name, rom_version->status, rom_version->version); |
| 1425 | |
| 1426 | ret = rom_version->status; |
| 1427 | if (ret == 0) |
| 1428 | *version = rom_version->version; |
| 1429 | |
| 1430 | kfree_skb(skb); |
| 1431 | return ret; |
| 1432 | } |
| 1433 | |
| 1434 | static int rtl8723b_parse_firmware(struct hci_dev *hdev, u16 lmp_subver, |
| 1435 | const struct firmware *fw, |
| 1436 | unsigned char **_buf) |
| 1437 | { |
| 1438 | const u8 extension_sig[] = { 0x51, 0x04, 0xfd, 0x77 }; |
| 1439 | struct rtl_epatch_header *epatch_info; |
| 1440 | unsigned char *buf; |
| 1441 | int i, ret, len; |
| 1442 | size_t min_size; |
| 1443 | u8 opcode, length, data, rom_version = 0; |
| 1444 | int project_id = -1; |
| 1445 | const unsigned char *fwptr, *chip_id_base; |
| 1446 | const unsigned char *patch_length_base, *patch_offset_base; |
| 1447 | u32 patch_offset = 0; |
| 1448 | u16 patch_length, num_patches; |
| 1449 | const u16 project_id_to_lmp_subver[] = { |
| 1450 | RTL_ROM_LMP_8723A, |
| 1451 | RTL_ROM_LMP_8723B, |
| 1452 | RTL_ROM_LMP_8821A, |
| 1453 | RTL_ROM_LMP_8761A |
| 1454 | }; |
| 1455 | |
| 1456 | ret = rtl_read_rom_version(hdev, &rom_version); |
| 1457 | if (ret) |
| 1458 | return -bt_to_errno(ret); |
| 1459 | |
| 1460 | min_size = sizeof(struct rtl_epatch_header) + sizeof(extension_sig) + 3; |
| 1461 | if (fw->size < min_size) |
| 1462 | return -EINVAL; |
| 1463 | |
| 1464 | fwptr = fw->data + fw->size - sizeof(extension_sig); |
| 1465 | if (memcmp(fwptr, extension_sig, sizeof(extension_sig)) != 0) { |
| 1466 | BT_ERR("%s: extension section signature mismatch", hdev->name); |
| 1467 | return -EINVAL; |
| 1468 | } |
| 1469 | |
| 1470 | /* Loop from the end of the firmware parsing instructions, until |
| 1471 | * we find an instruction that identifies the "project ID" for the |
| 1472 | * hardware supported by this firwmare file. |
| 1473 | * Once we have that, we double-check that that project_id is suitable |
| 1474 | * for the hardware we are working with. |
| 1475 | */ |
| 1476 | while (fwptr >= fw->data + (sizeof(struct rtl_epatch_header) + 3)) { |
| 1477 | opcode = *--fwptr; |
| 1478 | length = *--fwptr; |
| 1479 | data = *--fwptr; |
| 1480 | |
| 1481 | BT_DBG("check op=%x len=%x data=%x", opcode, length, data); |
| 1482 | |
| 1483 | if (opcode == 0xff) /* EOF */ |
| 1484 | break; |
| 1485 | |
| 1486 | if (length == 0) { |
| 1487 | BT_ERR("%s: found instruction with length 0", |
| 1488 | hdev->name); |
| 1489 | return -EINVAL; |
| 1490 | } |
| 1491 | |
| 1492 | if (opcode == 0 && length == 1) { |
| 1493 | project_id = data; |
| 1494 | break; |
| 1495 | } |
| 1496 | |
| 1497 | fwptr -= length; |
| 1498 | } |
| 1499 | |
| 1500 | if (project_id < 0) { |
| 1501 | BT_ERR("%s: failed to find version instruction", hdev->name); |
| 1502 | return -EINVAL; |
| 1503 | } |
| 1504 | |
Dan Carpenter | c57ddfa | 2015-04-20 18:51:35 +0300 | [diff] [blame] | 1505 | if (project_id >= ARRAY_SIZE(project_id_to_lmp_subver)) { |
Daniel Drake | a2698a9 | 2015-04-16 14:09:55 -0600 | [diff] [blame] | 1506 | BT_ERR("%s: unknown project id %d", hdev->name, project_id); |
| 1507 | return -EINVAL; |
| 1508 | } |
| 1509 | |
| 1510 | if (lmp_subver != project_id_to_lmp_subver[project_id]) { |
| 1511 | BT_ERR("%s: firmware is for %x but this is a %x", hdev->name, |
| 1512 | project_id_to_lmp_subver[project_id], lmp_subver); |
| 1513 | return -EINVAL; |
| 1514 | } |
| 1515 | |
| 1516 | epatch_info = (struct rtl_epatch_header *)fw->data; |
| 1517 | if (memcmp(epatch_info->signature, RTL_EPATCH_SIGNATURE, 8) != 0) { |
| 1518 | BT_ERR("%s: bad EPATCH signature", hdev->name); |
| 1519 | return -EINVAL; |
| 1520 | } |
| 1521 | |
| 1522 | num_patches = le16_to_cpu(epatch_info->num_patches); |
| 1523 | BT_DBG("fw_version=%x, num_patches=%d", |
| 1524 | le32_to_cpu(epatch_info->fw_version), num_patches); |
| 1525 | |
| 1526 | /* After the rtl_epatch_header there is a funky patch metadata section. |
| 1527 | * Assuming 2 patches, the layout is: |
| 1528 | * ChipID1 ChipID2 PatchLength1 PatchLength2 PatchOffset1 PatchOffset2 |
| 1529 | * |
| 1530 | * Find the right patch for this chip. |
| 1531 | */ |
| 1532 | min_size += 8 * num_patches; |
| 1533 | if (fw->size < min_size) |
| 1534 | return -EINVAL; |
| 1535 | |
| 1536 | chip_id_base = fw->data + sizeof(struct rtl_epatch_header); |
| 1537 | patch_length_base = chip_id_base + (sizeof(u16) * num_patches); |
| 1538 | patch_offset_base = patch_length_base + (sizeof(u16) * num_patches); |
| 1539 | for (i = 0; i < num_patches; i++) { |
| 1540 | u16 chip_id = get_unaligned_le16(chip_id_base + |
| 1541 | (i * sizeof(u16))); |
| 1542 | if (chip_id == rom_version + 1) { |
| 1543 | patch_length = get_unaligned_le16(patch_length_base + |
| 1544 | (i * sizeof(u16))); |
| 1545 | patch_offset = get_unaligned_le32(patch_offset_base + |
| 1546 | (i * sizeof(u32))); |
| 1547 | break; |
| 1548 | } |
| 1549 | } |
| 1550 | |
| 1551 | if (!patch_offset) { |
| 1552 | BT_ERR("%s: didn't find patch for chip id %d", |
| 1553 | hdev->name, rom_version); |
| 1554 | return -EINVAL; |
| 1555 | } |
| 1556 | |
| 1557 | BT_DBG("length=%x offset=%x index %d", patch_length, patch_offset, i); |
| 1558 | min_size = patch_offset + patch_length; |
| 1559 | if (fw->size < min_size) |
| 1560 | return -EINVAL; |
| 1561 | |
| 1562 | /* Copy the firmware into a new buffer and write the version at |
| 1563 | * the end. |
| 1564 | */ |
| 1565 | len = patch_length; |
| 1566 | buf = kmemdup(fw->data + patch_offset, patch_length, GFP_KERNEL); |
| 1567 | if (!buf) |
| 1568 | return -ENOMEM; |
| 1569 | |
| 1570 | memcpy(buf + patch_length - 4, &epatch_info->fw_version, 4); |
| 1571 | |
| 1572 | *_buf = buf; |
| 1573 | return len; |
| 1574 | } |
| 1575 | |
| 1576 | static int rtl_download_firmware(struct hci_dev *hdev, |
| 1577 | const unsigned char *data, int fw_len) |
| 1578 | { |
| 1579 | struct rtl_download_cmd *dl_cmd; |
| 1580 | int frag_num = fw_len / RTL_FRAG_LEN + 1; |
| 1581 | int frag_len = RTL_FRAG_LEN; |
| 1582 | int ret = 0; |
| 1583 | int i; |
| 1584 | |
| 1585 | dl_cmd = kmalloc(sizeof(struct rtl_download_cmd), GFP_KERNEL); |
| 1586 | if (!dl_cmd) |
| 1587 | return -ENOMEM; |
| 1588 | |
| 1589 | for (i = 0; i < frag_num; i++) { |
| 1590 | struct rtl_download_response *dl_resp; |
| 1591 | struct sk_buff *skb; |
| 1592 | |
| 1593 | BT_DBG("download fw (%d/%d)", i, frag_num); |
| 1594 | |
| 1595 | dl_cmd->index = i; |
| 1596 | if (i == (frag_num - 1)) { |
| 1597 | dl_cmd->index |= 0x80; /* data end */ |
| 1598 | frag_len = fw_len % RTL_FRAG_LEN; |
| 1599 | } |
| 1600 | memcpy(dl_cmd->data, data, frag_len); |
| 1601 | |
| 1602 | /* Send download command */ |
| 1603 | skb = __hci_cmd_sync(hdev, 0xfc20, frag_len + 1, dl_cmd, |
| 1604 | HCI_INIT_TIMEOUT); |
| 1605 | if (IS_ERR(skb)) { |
| 1606 | BT_ERR("%s: download fw command failed (%ld)", |
| 1607 | hdev->name, PTR_ERR(skb)); |
| 1608 | ret = -PTR_ERR(skb); |
| 1609 | goto out; |
| 1610 | } |
| 1611 | |
| 1612 | if (skb->len != sizeof(*dl_resp)) { |
| 1613 | BT_ERR("%s: download fw event length mismatch", |
| 1614 | hdev->name); |
| 1615 | kfree_skb(skb); |
| 1616 | ret = -EIO; |
| 1617 | goto out; |
| 1618 | } |
| 1619 | |
| 1620 | dl_resp = (struct rtl_download_response *)skb->data; |
| 1621 | if (dl_resp->status != 0) { |
| 1622 | kfree_skb(skb); |
| 1623 | ret = bt_to_errno(dl_resp->status); |
| 1624 | goto out; |
| 1625 | } |
| 1626 | |
| 1627 | kfree_skb(skb); |
| 1628 | data += RTL_FRAG_LEN; |
| 1629 | } |
| 1630 | |
| 1631 | out: |
| 1632 | kfree(dl_cmd); |
| 1633 | return ret; |
| 1634 | } |
| 1635 | |
| 1636 | static int btusb_setup_rtl8723a(struct hci_dev *hdev) |
| 1637 | { |
| 1638 | struct btusb_data *data = dev_get_drvdata(&hdev->dev); |
| 1639 | struct usb_device *udev = interface_to_usbdev(data->intf); |
| 1640 | const struct firmware *fw; |
| 1641 | int ret; |
| 1642 | |
| 1643 | BT_INFO("%s: rtl: loading rtl_bt/rtl8723a_fw.bin", hdev->name); |
| 1644 | ret = request_firmware(&fw, "rtl_bt/rtl8723a_fw.bin", &udev->dev); |
| 1645 | if (ret < 0) { |
| 1646 | BT_ERR("%s: Failed to load rtl_bt/rtl8723a_fw.bin", hdev->name); |
| 1647 | return ret; |
| 1648 | } |
| 1649 | |
| 1650 | if (fw->size < 8) { |
| 1651 | ret = -EINVAL; |
| 1652 | goto out; |
| 1653 | } |
| 1654 | |
| 1655 | /* Check that the firmware doesn't have the epatch signature |
| 1656 | * (which is only for RTL8723B and newer). |
| 1657 | */ |
| 1658 | if (!memcmp(fw->data, RTL_EPATCH_SIGNATURE, 8)) { |
| 1659 | BT_ERR("%s: unexpected EPATCH signature!", hdev->name); |
| 1660 | ret = -EINVAL; |
| 1661 | goto out; |
| 1662 | } |
| 1663 | |
| 1664 | ret = rtl_download_firmware(hdev, fw->data, fw->size); |
| 1665 | |
| 1666 | out: |
| 1667 | release_firmware(fw); |
| 1668 | return ret; |
| 1669 | } |
| 1670 | |
| 1671 | static int btusb_setup_rtl8723b(struct hci_dev *hdev, u16 lmp_subver, |
| 1672 | const char *fw_name) |
| 1673 | { |
| 1674 | struct btusb_data *data = dev_get_drvdata(&hdev->dev); |
| 1675 | struct usb_device *udev = interface_to_usbdev(data->intf); |
| 1676 | unsigned char *fw_data = NULL; |
| 1677 | const struct firmware *fw; |
| 1678 | int ret; |
| 1679 | |
| 1680 | BT_INFO("%s: rtl: loading %s", hdev->name, fw_name); |
| 1681 | ret = request_firmware(&fw, fw_name, &udev->dev); |
| 1682 | if (ret < 0) { |
| 1683 | BT_ERR("%s: Failed to load %s", hdev->name, fw_name); |
| 1684 | return ret; |
| 1685 | } |
| 1686 | |
| 1687 | ret = rtl8723b_parse_firmware(hdev, lmp_subver, fw, &fw_data); |
| 1688 | if (ret < 0) |
| 1689 | goto out; |
| 1690 | |
| 1691 | ret = rtl_download_firmware(hdev, fw_data, ret); |
| 1692 | kfree(fw_data); |
| 1693 | if (ret < 0) |
| 1694 | goto out; |
| 1695 | |
| 1696 | out: |
| 1697 | release_firmware(fw); |
| 1698 | return ret; |
| 1699 | } |
| 1700 | |
| 1701 | static int btusb_setup_realtek(struct hci_dev *hdev) |
| 1702 | { |
| 1703 | struct sk_buff *skb; |
| 1704 | struct hci_rp_read_local_version *resp; |
| 1705 | u16 lmp_subver; |
| 1706 | |
| 1707 | skb = btusb_read_local_version(hdev); |
| 1708 | if (IS_ERR(skb)) |
| 1709 | return -PTR_ERR(skb); |
| 1710 | |
| 1711 | resp = (struct hci_rp_read_local_version *)skb->data; |
| 1712 | BT_INFO("%s: rtl: examining hci_ver=%02x hci_rev=%04x lmp_ver=%02x " |
| 1713 | "lmp_subver=%04x", hdev->name, resp->hci_ver, resp->hci_rev, |
| 1714 | resp->lmp_ver, resp->lmp_subver); |
| 1715 | |
| 1716 | lmp_subver = le16_to_cpu(resp->lmp_subver); |
| 1717 | kfree_skb(skb); |
| 1718 | |
| 1719 | /* Match a set of subver values that correspond to stock firmware, |
| 1720 | * which is not compatible with standard btusb. |
| 1721 | * If matched, upload an alternative firmware that does conform to |
| 1722 | * standard btusb. Once that firmware is uploaded, the subver changes |
| 1723 | * to a different value. |
| 1724 | */ |
| 1725 | switch (lmp_subver) { |
| 1726 | case RTL_ROM_LMP_8723A: |
| 1727 | case RTL_ROM_LMP_3499: |
| 1728 | return btusb_setup_rtl8723a(hdev); |
| 1729 | case RTL_ROM_LMP_8723B: |
| 1730 | return btusb_setup_rtl8723b(hdev, lmp_subver, |
| 1731 | "rtl_bt/rtl8723b_fw.bin"); |
| 1732 | case RTL_ROM_LMP_8821A: |
| 1733 | return btusb_setup_rtl8723b(hdev, lmp_subver, |
| 1734 | "rtl_bt/rtl8821a_fw.bin"); |
| 1735 | case RTL_ROM_LMP_8761A: |
| 1736 | return btusb_setup_rtl8723b(hdev, lmp_subver, |
| 1737 | "rtl_bt/rtl8761a_fw.bin"); |
| 1738 | default: |
| 1739 | BT_INFO("rtl: assuming no firmware upload needed."); |
| 1740 | return 0; |
| 1741 | } |
| 1742 | } |
| 1743 | |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1744 | 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] | 1745 | struct intel_version *ver) |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1746 | { |
| 1747 | const struct firmware *fw; |
| 1748 | char fwname[64]; |
| 1749 | int ret; |
| 1750 | |
| 1751 | snprintf(fwname, sizeof(fwname), |
| 1752 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", |
| 1753 | ver->hw_platform, ver->hw_variant, ver->hw_revision, |
| 1754 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, |
| 1755 | ver->fw_build_ww, ver->fw_build_yy); |
| 1756 | |
| 1757 | ret = request_firmware(&fw, fwname, &hdev->dev); |
| 1758 | if (ret < 0) { |
| 1759 | if (ret == -EINVAL) { |
| 1760 | BT_ERR("%s Intel firmware file request failed (%d)", |
| 1761 | hdev->name, ret); |
| 1762 | return NULL; |
| 1763 | } |
| 1764 | |
| 1765 | BT_ERR("%s failed to open Intel firmware file: %s(%d)", |
| 1766 | hdev->name, fwname, ret); |
| 1767 | |
| 1768 | /* If the correct firmware patch file is not found, use the |
| 1769 | * default firmware patch file instead |
| 1770 | */ |
| 1771 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", |
| 1772 | ver->hw_platform, ver->hw_variant); |
| 1773 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { |
| 1774 | BT_ERR("%s failed to open default Intel fw file: %s", |
| 1775 | hdev->name, fwname); |
| 1776 | return NULL; |
| 1777 | } |
| 1778 | } |
| 1779 | |
| 1780 | BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname); |
| 1781 | |
| 1782 | return fw; |
| 1783 | } |
| 1784 | |
| 1785 | static int btusb_setup_intel_patching(struct hci_dev *hdev, |
| 1786 | const struct firmware *fw, |
| 1787 | const u8 **fw_ptr, int *disable_patch) |
| 1788 | { |
| 1789 | struct sk_buff *skb; |
| 1790 | struct hci_command_hdr *cmd; |
| 1791 | const u8 *cmd_param; |
| 1792 | struct hci_event_hdr *evt = NULL; |
| 1793 | const u8 *evt_param = NULL; |
| 1794 | int remain = fw->size - (*fw_ptr - fw->data); |
| 1795 | |
| 1796 | /* The first byte indicates the types of the patch command or event. |
| 1797 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes |
| 1798 | * in the current firmware buffer doesn't start with 0x01 or |
| 1799 | * the size of remain buffer is smaller than HCI command header, |
| 1800 | * the firmware file is corrupted and it should stop the patching |
| 1801 | * process. |
| 1802 | */ |
| 1803 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { |
| 1804 | BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name); |
| 1805 | return -EINVAL; |
| 1806 | } |
| 1807 | (*fw_ptr)++; |
| 1808 | remain--; |
| 1809 | |
| 1810 | cmd = (struct hci_command_hdr *)(*fw_ptr); |
| 1811 | *fw_ptr += sizeof(*cmd); |
| 1812 | remain -= sizeof(*cmd); |
| 1813 | |
| 1814 | /* Ensure that the remain firmware data is long enough than the length |
| 1815 | * of command parameter. If not, the firmware file is corrupted. |
| 1816 | */ |
| 1817 | if (remain < cmd->plen) { |
| 1818 | BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name); |
| 1819 | return -EFAULT; |
| 1820 | } |
| 1821 | |
| 1822 | /* If there is a command that loads a patch in the firmware |
| 1823 | * file, then enable the patch upon success, otherwise just |
| 1824 | * disable the manufacturer mode, for example patch activation |
| 1825 | * is not required when the default firmware patch file is used |
| 1826 | * because there are no patch data to load. |
| 1827 | */ |
| 1828 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) |
| 1829 | *disable_patch = 0; |
| 1830 | |
| 1831 | cmd_param = *fw_ptr; |
| 1832 | *fw_ptr += cmd->plen; |
| 1833 | remain -= cmd->plen; |
| 1834 | |
| 1835 | /* This reads the expected events when the above command is sent to the |
| 1836 | * device. Some vendor commands expects more than one events, for |
| 1837 | * example command status event followed by vendor specific event. |
| 1838 | * For this case, it only keeps the last expected event. so the command |
| 1839 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of |
| 1840 | * last expected event. |
| 1841 | */ |
| 1842 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { |
| 1843 | (*fw_ptr)++; |
| 1844 | remain--; |
| 1845 | |
| 1846 | evt = (struct hci_event_hdr *)(*fw_ptr); |
| 1847 | *fw_ptr += sizeof(*evt); |
| 1848 | remain -= sizeof(*evt); |
| 1849 | |
| 1850 | if (remain < evt->plen) { |
| 1851 | BT_ERR("%s Intel fw corrupted: invalid evt len", |
| 1852 | hdev->name); |
| 1853 | return -EFAULT; |
| 1854 | } |
| 1855 | |
| 1856 | evt_param = *fw_ptr; |
| 1857 | *fw_ptr += evt->plen; |
| 1858 | remain -= evt->plen; |
| 1859 | } |
| 1860 | |
| 1861 | /* Every HCI commands in the firmware file has its correspond event. |
| 1862 | * If event is not found or remain is smaller than zero, the firmware |
| 1863 | * file is corrupted. |
| 1864 | */ |
| 1865 | if (!evt || !evt_param || remain < 0) { |
| 1866 | BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name); |
| 1867 | return -EFAULT; |
| 1868 | } |
| 1869 | |
| 1870 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, |
| 1871 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); |
| 1872 | if (IS_ERR(skb)) { |
| 1873 | BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)", |
| 1874 | hdev->name, cmd->opcode, PTR_ERR(skb)); |
Adam Lee | d9c78e9 | 2013-07-10 10:02:12 +0800 | [diff] [blame] | 1875 | return PTR_ERR(skb); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1876 | } |
| 1877 | |
| 1878 | /* It ensures that the returned event matches the event data read from |
| 1879 | * the firmware file. At fist, it checks the length and then |
| 1880 | * the contents of the event. |
| 1881 | */ |
| 1882 | if (skb->len != evt->plen) { |
| 1883 | BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name, |
| 1884 | le16_to_cpu(cmd->opcode)); |
| 1885 | kfree_skb(skb); |
| 1886 | return -EFAULT; |
| 1887 | } |
| 1888 | |
| 1889 | if (memcmp(skb->data, evt_param, evt->plen)) { |
| 1890 | BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)", |
| 1891 | hdev->name, le16_to_cpu(cmd->opcode)); |
| 1892 | kfree_skb(skb); |
| 1893 | return -EFAULT; |
| 1894 | } |
| 1895 | kfree_skb(skb); |
| 1896 | |
| 1897 | return 0; |
| 1898 | } |
| 1899 | |
| 1900 | static int btusb_setup_intel(struct hci_dev *hdev) |
| 1901 | { |
| 1902 | struct sk_buff *skb; |
| 1903 | const struct firmware *fw; |
| 1904 | const u8 *fw_ptr; |
| 1905 | int disable_patch; |
| 1906 | struct intel_version *ver; |
| 1907 | |
| 1908 | const u8 mfg_enable[] = { 0x01, 0x00 }; |
| 1909 | const u8 mfg_disable[] = { 0x00, 0x00 }; |
| 1910 | const u8 mfg_reset_deactivate[] = { 0x00, 0x01 }; |
| 1911 | const u8 mfg_reset_activate[] = { 0x00, 0x02 }; |
| 1912 | |
| 1913 | BT_DBG("%s", hdev->name); |
| 1914 | |
| 1915 | /* The controller has a bug with the first HCI command sent to it |
| 1916 | * returning number of completed commands as zero. This would stall the |
| 1917 | * command processing in the Bluetooth core. |
| 1918 | * |
| 1919 | * As a workaround, send HCI Reset command first which will reset the |
| 1920 | * number of completed commands and allow normal command processing |
| 1921 | * from now on. |
| 1922 | */ |
| 1923 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); |
| 1924 | if (IS_ERR(skb)) { |
| 1925 | BT_ERR("%s sending initial HCI reset command failed (%ld)", |
| 1926 | hdev->name, PTR_ERR(skb)); |
Adam Lee | d9c78e9 | 2013-07-10 10:02:12 +0800 | [diff] [blame] | 1927 | return PTR_ERR(skb); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1928 | } |
| 1929 | kfree_skb(skb); |
| 1930 | |
| 1931 | /* Read Intel specific controller version first to allow selection of |
| 1932 | * which firmware file to load. |
| 1933 | * |
| 1934 | * The returned information are hardware variant and revision plus |
| 1935 | * firmware variant, revision and build number. |
| 1936 | */ |
| 1937 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); |
| 1938 | if (IS_ERR(skb)) { |
| 1939 | BT_ERR("%s reading Intel fw version command failed (%ld)", |
| 1940 | hdev->name, PTR_ERR(skb)); |
Adam Lee | d9c78e9 | 2013-07-10 10:02:12 +0800 | [diff] [blame] | 1941 | return PTR_ERR(skb); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1942 | } |
| 1943 | |
| 1944 | if (skb->len != sizeof(*ver)) { |
| 1945 | BT_ERR("%s Intel version event length mismatch", hdev->name); |
| 1946 | kfree_skb(skb); |
| 1947 | return -EIO; |
| 1948 | } |
| 1949 | |
| 1950 | ver = (struct intel_version *)skb->data; |
| 1951 | if (ver->status) { |
| 1952 | BT_ERR("%s Intel fw version event failed (%02x)", hdev->name, |
| 1953 | ver->status); |
| 1954 | kfree_skb(skb); |
| 1955 | return -bt_to_errno(ver->status); |
| 1956 | } |
| 1957 | |
| 1958 | BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", |
| 1959 | hdev->name, ver->hw_platform, ver->hw_variant, |
| 1960 | ver->hw_revision, ver->fw_variant, ver->fw_revision, |
| 1961 | ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy, |
| 1962 | ver->fw_patch_num); |
| 1963 | |
| 1964 | /* fw_patch_num indicates the version of patch the device currently |
| 1965 | * have. If there is no patch data in the device, it is always 0x00. |
| 1966 | * So, if it is other than 0x00, no need to patch the deivce again. |
| 1967 | */ |
| 1968 | if (ver->fw_patch_num) { |
| 1969 | BT_INFO("%s: Intel device is already patched. patch num: %02x", |
| 1970 | hdev->name, ver->fw_patch_num); |
| 1971 | kfree_skb(skb); |
Marcel Holtmann | 4185a0f | 2015-04-06 00:52:12 -0700 | [diff] [blame] | 1972 | btintel_check_bdaddr(hdev); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1973 | return 0; |
| 1974 | } |
| 1975 | |
| 1976 | /* Opens the firmware patch file based on the firmware version read |
| 1977 | * from the controller. If it fails to open the matching firmware |
| 1978 | * patch file, it tries to open the default firmware patch file. |
| 1979 | * If no patch file is found, allow the device to operate without |
| 1980 | * a patch. |
| 1981 | */ |
| 1982 | fw = btusb_setup_intel_get_fw(hdev, ver); |
| 1983 | if (!fw) { |
| 1984 | kfree_skb(skb); |
Marcel Holtmann | 4185a0f | 2015-04-06 00:52:12 -0700 | [diff] [blame] | 1985 | btintel_check_bdaddr(hdev); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 1986 | return 0; |
| 1987 | } |
| 1988 | fw_ptr = fw->data; |
| 1989 | |
| 1990 | /* This Intel specific command enables the manufacturer mode of the |
| 1991 | * controller. |
| 1992 | * |
| 1993 | * Only while this mode is enabled, the driver can download the |
| 1994 | * firmware patch data and configuration parameters. |
| 1995 | */ |
| 1996 | skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT); |
| 1997 | if (IS_ERR(skb)) { |
| 1998 | BT_ERR("%s entering Intel manufacturer mode failed (%ld)", |
| 1999 | hdev->name, PTR_ERR(skb)); |
| 2000 | release_firmware(fw); |
Adam Lee | d9c78e9 | 2013-07-10 10:02:12 +0800 | [diff] [blame] | 2001 | return PTR_ERR(skb); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 2002 | } |
| 2003 | |
| 2004 | if (skb->data[0]) { |
| 2005 | u8 evt_status = skb->data[0]; |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 2006 | |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 2007 | BT_ERR("%s enable Intel manufacturer mode event failed (%02x)", |
| 2008 | hdev->name, evt_status); |
| 2009 | kfree_skb(skb); |
| 2010 | release_firmware(fw); |
| 2011 | return -bt_to_errno(evt_status); |
| 2012 | } |
| 2013 | kfree_skb(skb); |
| 2014 | |
| 2015 | disable_patch = 1; |
| 2016 | |
| 2017 | /* The firmware data file consists of list of Intel specific HCI |
| 2018 | * commands and its expected events. The first byte indicates the |
| 2019 | * type of the message, either HCI command or HCI event. |
| 2020 | * |
| 2021 | * It reads the command and its expected event from the firmware file, |
| 2022 | * and send to the controller. Once __hci_cmd_sync_ev() returns, |
| 2023 | * the returned event is compared with the event read from the firmware |
| 2024 | * file and it will continue until all the messages are downloaded to |
| 2025 | * the controller. |
| 2026 | * |
| 2027 | * Once the firmware patching is completed successfully, |
| 2028 | * the manufacturer mode is disabled with reset and activating the |
| 2029 | * downloaded patch. |
| 2030 | * |
| 2031 | * If the firmware patching fails, the manufacturer mode is |
| 2032 | * disabled with reset and deactivating the patch. |
| 2033 | * |
| 2034 | * If the default patch file is used, no reset is done when disabling |
| 2035 | * the manufacturer. |
| 2036 | */ |
| 2037 | while (fw->size > fw_ptr - fw->data) { |
| 2038 | int ret; |
| 2039 | |
| 2040 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, |
| 2041 | &disable_patch); |
| 2042 | if (ret < 0) |
| 2043 | goto exit_mfg_deactivate; |
| 2044 | } |
| 2045 | |
| 2046 | release_firmware(fw); |
| 2047 | |
| 2048 | if (disable_patch) |
| 2049 | goto exit_mfg_disable; |
| 2050 | |
| 2051 | /* Patching completed successfully and disable the manufacturer mode |
| 2052 | * with reset and activate the downloaded firmware patches. |
| 2053 | */ |
| 2054 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate), |
| 2055 | mfg_reset_activate, HCI_INIT_TIMEOUT); |
| 2056 | if (IS_ERR(skb)) { |
| 2057 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", |
| 2058 | hdev->name, PTR_ERR(skb)); |
Adam Lee | d9c78e9 | 2013-07-10 10:02:12 +0800 | [diff] [blame] | 2059 | return PTR_ERR(skb); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 2060 | } |
| 2061 | kfree_skb(skb); |
| 2062 | |
| 2063 | BT_INFO("%s: Intel Bluetooth firmware patch completed and activated", |
| 2064 | hdev->name); |
| 2065 | |
Marcel Holtmann | 4185a0f | 2015-04-06 00:52:12 -0700 | [diff] [blame] | 2066 | btintel_check_bdaddr(hdev); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 2067 | return 0; |
| 2068 | |
| 2069 | exit_mfg_disable: |
| 2070 | /* Disable the manufacturer mode without reset */ |
| 2071 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable, |
| 2072 | HCI_INIT_TIMEOUT); |
| 2073 | if (IS_ERR(skb)) { |
| 2074 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", |
| 2075 | hdev->name, PTR_ERR(skb)); |
Adam Lee | d9c78e9 | 2013-07-10 10:02:12 +0800 | [diff] [blame] | 2076 | return PTR_ERR(skb); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 2077 | } |
| 2078 | kfree_skb(skb); |
| 2079 | |
| 2080 | BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name); |
Marcel Holtmann | 40cb098 | 2014-07-02 12:06:45 +0200 | [diff] [blame] | 2081 | |
Marcel Holtmann | 4185a0f | 2015-04-06 00:52:12 -0700 | [diff] [blame] | 2082 | btintel_check_bdaddr(hdev); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 2083 | return 0; |
| 2084 | |
| 2085 | exit_mfg_deactivate: |
| 2086 | release_firmware(fw); |
| 2087 | |
| 2088 | /* Patching failed. Disable the manufacturer mode with reset and |
| 2089 | * deactivate the downloaded firmware patches. |
| 2090 | */ |
| 2091 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate), |
| 2092 | mfg_reset_deactivate, HCI_INIT_TIMEOUT); |
| 2093 | if (IS_ERR(skb)) { |
| 2094 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", |
| 2095 | hdev->name, PTR_ERR(skb)); |
Adam Lee | d9c78e9 | 2013-07-10 10:02:12 +0800 | [diff] [blame] | 2096 | return PTR_ERR(skb); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 2097 | } |
| 2098 | kfree_skb(skb); |
| 2099 | |
| 2100 | BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated", |
| 2101 | hdev->name); |
| 2102 | |
Marcel Holtmann | 4185a0f | 2015-04-06 00:52:12 -0700 | [diff] [blame] | 2103 | btintel_check_bdaddr(hdev); |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 2104 | return 0; |
| 2105 | } |
| 2106 | |
Marcel Holtmann | cda0dd7 | 2015-01-26 21:33:48 -0800 | [diff] [blame] | 2107 | static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode) |
| 2108 | { |
| 2109 | struct sk_buff *skb; |
| 2110 | struct hci_event_hdr *hdr; |
| 2111 | struct hci_ev_cmd_complete *evt; |
| 2112 | |
| 2113 | skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_ATOMIC); |
| 2114 | if (!skb) |
| 2115 | return -ENOMEM; |
| 2116 | |
| 2117 | hdr = (struct hci_event_hdr *)skb_put(skb, sizeof(*hdr)); |
| 2118 | hdr->evt = HCI_EV_CMD_COMPLETE; |
| 2119 | hdr->plen = sizeof(*evt) + 1; |
| 2120 | |
| 2121 | evt = (struct hci_ev_cmd_complete *)skb_put(skb, sizeof(*evt)); |
| 2122 | evt->ncmd = 0x01; |
| 2123 | evt->opcode = cpu_to_le16(opcode); |
| 2124 | |
| 2125 | *skb_put(skb, 1) = 0x00; |
| 2126 | |
| 2127 | bt_cb(skb)->pkt_type = HCI_EVENT_PKT; |
| 2128 | |
| 2129 | return hci_recv_frame(hdev, skb); |
| 2130 | } |
| 2131 | |
| 2132 | static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer, |
| 2133 | int count) |
| 2134 | { |
| 2135 | /* When the device is in bootloader mode, then it can send |
| 2136 | * events via the bulk endpoint. These events are treated the |
| 2137 | * same way as the ones received from the interrupt endpoint. |
| 2138 | */ |
| 2139 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) |
| 2140 | return btusb_recv_intr(data, buffer, count); |
| 2141 | |
| 2142 | return btusb_recv_bulk(data, buffer, count); |
| 2143 | } |
| 2144 | |
Marcel Holtmann | ccd6da2 | 2015-04-09 00:35:19 -0700 | [diff] [blame] | 2145 | static void btusb_intel_bootup(struct btusb_data *data, const void *ptr, |
| 2146 | unsigned int len) |
| 2147 | { |
| 2148 | const struct intel_bootup *evt = ptr; |
| 2149 | |
| 2150 | if (len != sizeof(*evt)) |
| 2151 | return; |
| 2152 | |
| 2153 | if (test_and_clear_bit(BTUSB_BOOTING, &data->flags)) { |
| 2154 | smp_mb__after_atomic(); |
| 2155 | wake_up_bit(&data->flags, BTUSB_BOOTING); |
| 2156 | } |
| 2157 | } |
| 2158 | |
| 2159 | static void btusb_intel_secure_send_result(struct btusb_data *data, |
| 2160 | const void *ptr, unsigned int len) |
| 2161 | { |
| 2162 | const struct intel_secure_send_result *evt = ptr; |
| 2163 | |
| 2164 | if (len != sizeof(*evt)) |
| 2165 | return; |
| 2166 | |
| 2167 | if (evt->result) |
| 2168 | set_bit(BTUSB_FIRMWARE_FAILED, &data->flags); |
| 2169 | |
| 2170 | if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags) && |
| 2171 | test_bit(BTUSB_FIRMWARE_LOADED, &data->flags)) { |
| 2172 | smp_mb__after_atomic(); |
| 2173 | wake_up_bit(&data->flags, BTUSB_DOWNLOADING); |
| 2174 | } |
| 2175 | } |
| 2176 | |
Marcel Holtmann | cda0dd7 | 2015-01-26 21:33:48 -0800 | [diff] [blame] | 2177 | static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb) |
| 2178 | { |
| 2179 | struct btusb_data *data = hci_get_drvdata(hdev); |
| 2180 | |
| 2181 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) { |
| 2182 | struct hci_event_hdr *hdr = (void *)skb->data; |
| 2183 | |
Marcel Holtmann | ccd6da2 | 2015-04-09 00:35:19 -0700 | [diff] [blame] | 2184 | if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff && |
| 2185 | hdr->plen > 0) { |
| 2186 | const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1; |
| 2187 | unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1; |
Marcel Holtmann | cda0dd7 | 2015-01-26 21:33:48 -0800 | [diff] [blame] | 2188 | |
Marcel Holtmann | ccd6da2 | 2015-04-09 00:35:19 -0700 | [diff] [blame] | 2189 | switch (skb->data[2]) { |
| 2190 | case 0x02: |
| 2191 | /* When switching to the operational firmware |
| 2192 | * the device sends a vendor specific event |
| 2193 | * indicating that the bootup completed. |
| 2194 | */ |
| 2195 | btusb_intel_bootup(data, ptr, len); |
| 2196 | break; |
| 2197 | case 0x06: |
| 2198 | /* When the firmware loading completes the |
| 2199 | * device sends out a vendor specific event |
| 2200 | * indicating the result of the firmware |
| 2201 | * loading. |
| 2202 | */ |
| 2203 | btusb_intel_secure_send_result(data, ptr, len); |
| 2204 | break; |
Johan Hedberg | fad7097 | 2015-01-30 10:58:55 +0200 | [diff] [blame] | 2205 | } |
Marcel Holtmann | cda0dd7 | 2015-01-26 21:33:48 -0800 | [diff] [blame] | 2206 | } |
| 2207 | } |
| 2208 | |
| 2209 | return hci_recv_frame(hdev, skb); |
| 2210 | } |
| 2211 | |
| 2212 | static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb) |
| 2213 | { |
| 2214 | struct btusb_data *data = hci_get_drvdata(hdev); |
| 2215 | struct urb *urb; |
| 2216 | |
| 2217 | BT_DBG("%s", hdev->name); |
| 2218 | |
| 2219 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
| 2220 | return -EBUSY; |
| 2221 | |
| 2222 | switch (bt_cb(skb)->pkt_type) { |
| 2223 | case HCI_COMMAND_PKT: |
| 2224 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) { |
| 2225 | struct hci_command_hdr *cmd = (void *)skb->data; |
| 2226 | __u16 opcode = le16_to_cpu(cmd->opcode); |
| 2227 | |
| 2228 | /* When in bootloader mode and the command 0xfc09 |
| 2229 | * is received, it needs to be send down the |
| 2230 | * bulk endpoint. So allocate a bulk URB instead. |
| 2231 | */ |
| 2232 | if (opcode == 0xfc09) |
| 2233 | urb = alloc_bulk_urb(hdev, skb); |
| 2234 | else |
| 2235 | urb = alloc_ctrl_urb(hdev, skb); |
| 2236 | |
| 2237 | /* When the 0xfc01 command is issued to boot into |
| 2238 | * the operational firmware, it will actually not |
| 2239 | * send a command complete event. To keep the flow |
| 2240 | * control working inject that event here. |
| 2241 | */ |
| 2242 | if (opcode == 0xfc01) |
| 2243 | inject_cmd_complete(hdev, opcode); |
| 2244 | } else { |
| 2245 | urb = alloc_ctrl_urb(hdev, skb); |
| 2246 | } |
| 2247 | if (IS_ERR(urb)) |
| 2248 | return PTR_ERR(urb); |
| 2249 | |
| 2250 | hdev->stat.cmd_tx++; |
| 2251 | return submit_or_queue_tx_urb(hdev, urb); |
| 2252 | |
| 2253 | case HCI_ACLDATA_PKT: |
| 2254 | urb = alloc_bulk_urb(hdev, skb); |
| 2255 | if (IS_ERR(urb)) |
| 2256 | return PTR_ERR(urb); |
| 2257 | |
| 2258 | hdev->stat.acl_tx++; |
| 2259 | return submit_or_queue_tx_urb(hdev, urb); |
| 2260 | |
| 2261 | case HCI_SCODATA_PKT: |
| 2262 | if (hci_conn_num(hdev, SCO_LINK) < 1) |
| 2263 | return -ENODEV; |
| 2264 | |
| 2265 | urb = alloc_isoc_urb(hdev, skb); |
| 2266 | if (IS_ERR(urb)) |
| 2267 | return PTR_ERR(urb); |
| 2268 | |
| 2269 | hdev->stat.sco_tx++; |
| 2270 | return submit_tx_urb(hdev, urb); |
| 2271 | } |
| 2272 | |
| 2273 | return -EILSEQ; |
| 2274 | } |
| 2275 | |
| 2276 | static int btusb_intel_secure_send(struct hci_dev *hdev, u8 fragment_type, |
| 2277 | u32 plen, const void *param) |
| 2278 | { |
| 2279 | while (plen > 0) { |
| 2280 | struct sk_buff *skb; |
| 2281 | u8 cmd_param[253], fragment_len = (plen > 252) ? 252 : plen; |
| 2282 | |
| 2283 | cmd_param[0] = fragment_type; |
| 2284 | memcpy(cmd_param + 1, param, fragment_len); |
| 2285 | |
| 2286 | skb = __hci_cmd_sync(hdev, 0xfc09, fragment_len + 1, |
| 2287 | cmd_param, HCI_INIT_TIMEOUT); |
| 2288 | if (IS_ERR(skb)) |
| 2289 | return PTR_ERR(skb); |
| 2290 | |
| 2291 | kfree_skb(skb); |
| 2292 | |
| 2293 | plen -= fragment_len; |
| 2294 | param += fragment_len; |
| 2295 | } |
| 2296 | |
| 2297 | return 0; |
| 2298 | } |
| 2299 | |
| 2300 | static void btusb_intel_version_info(struct hci_dev *hdev, |
| 2301 | struct intel_version *ver) |
| 2302 | { |
| 2303 | const char *variant; |
| 2304 | |
| 2305 | switch (ver->fw_variant) { |
| 2306 | case 0x06: |
| 2307 | variant = "Bootloader"; |
| 2308 | break; |
| 2309 | case 0x23: |
| 2310 | variant = "Firmware"; |
| 2311 | break; |
| 2312 | default: |
| 2313 | return; |
| 2314 | } |
| 2315 | |
| 2316 | BT_INFO("%s: %s revision %u.%u build %u week %u %u", hdev->name, |
| 2317 | variant, ver->fw_revision >> 4, ver->fw_revision & 0x0f, |
| 2318 | ver->fw_build_num, ver->fw_build_ww, 2000 + ver->fw_build_yy); |
| 2319 | } |
| 2320 | |
| 2321 | static int btusb_setup_intel_new(struct hci_dev *hdev) |
| 2322 | { |
| 2323 | static const u8 reset_param[] = { 0x00, 0x01, 0x00, 0x01, |
| 2324 | 0x00, 0x08, 0x04, 0x00 }; |
| 2325 | struct btusb_data *data = hci_get_drvdata(hdev); |
| 2326 | struct sk_buff *skb; |
| 2327 | struct intel_version *ver; |
| 2328 | struct intel_boot_params *params; |
| 2329 | const struct firmware *fw; |
| 2330 | const u8 *fw_ptr; |
| 2331 | char fwname[64]; |
| 2332 | ktime_t calltime, delta, rettime; |
| 2333 | unsigned long long duration; |
| 2334 | int err; |
| 2335 | |
| 2336 | BT_DBG("%s", hdev->name); |
| 2337 | |
| 2338 | calltime = ktime_get(); |
| 2339 | |
| 2340 | /* Read the Intel version information to determine if the device |
| 2341 | * is in bootloader mode or if it already has operational firmware |
| 2342 | * loaded. |
| 2343 | */ |
| 2344 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); |
| 2345 | if (IS_ERR(skb)) { |
| 2346 | BT_ERR("%s: Reading Intel version information failed (%ld)", |
| 2347 | hdev->name, PTR_ERR(skb)); |
| 2348 | return PTR_ERR(skb); |
| 2349 | } |
| 2350 | |
| 2351 | if (skb->len != sizeof(*ver)) { |
| 2352 | BT_ERR("%s: Intel version event size mismatch", hdev->name); |
| 2353 | kfree_skb(skb); |
| 2354 | return -EILSEQ; |
| 2355 | } |
| 2356 | |
| 2357 | ver = (struct intel_version *)skb->data; |
| 2358 | if (ver->status) { |
| 2359 | BT_ERR("%s: Intel version command failure (%02x)", |
| 2360 | hdev->name, ver->status); |
| 2361 | err = -bt_to_errno(ver->status); |
| 2362 | kfree_skb(skb); |
| 2363 | return err; |
| 2364 | } |
| 2365 | |
| 2366 | /* The hardware platform number has a fixed value of 0x37 and |
| 2367 | * for now only accept this single value. |
| 2368 | */ |
| 2369 | if (ver->hw_platform != 0x37) { |
| 2370 | BT_ERR("%s: Unsupported Intel hardware platform (%u)", |
| 2371 | hdev->name, ver->hw_platform); |
| 2372 | kfree_skb(skb); |
| 2373 | return -EINVAL; |
| 2374 | } |
| 2375 | |
| 2376 | /* At the moment only the hardware variant iBT 3.0 (LnP/SfP) is |
| 2377 | * supported by this firmware loading method. This check has been |
| 2378 | * put in place to ensure correct forward compatibility options |
| 2379 | * when newer hardware variants come along. |
| 2380 | */ |
| 2381 | if (ver->hw_variant != 0x0b) { |
| 2382 | BT_ERR("%s: Unsupported Intel hardware variant (%u)", |
| 2383 | hdev->name, ver->hw_variant); |
| 2384 | kfree_skb(skb); |
| 2385 | return -EINVAL; |
| 2386 | } |
| 2387 | |
| 2388 | btusb_intel_version_info(hdev, ver); |
| 2389 | |
| 2390 | /* The firmware variant determines if the device is in bootloader |
| 2391 | * mode or is running operational firmware. The value 0x06 identifies |
| 2392 | * the bootloader and the value 0x23 identifies the operational |
| 2393 | * firmware. |
| 2394 | * |
| 2395 | * When the operational firmware is already present, then only |
| 2396 | * the check for valid Bluetooth device address is needed. This |
| 2397 | * determines if the device will be added as configured or |
| 2398 | * unconfigured controller. |
| 2399 | * |
| 2400 | * It is not possible to use the Secure Boot Parameters in this |
| 2401 | * case since that command is only available in bootloader mode. |
| 2402 | */ |
| 2403 | if (ver->fw_variant == 0x23) { |
| 2404 | kfree_skb(skb); |
| 2405 | clear_bit(BTUSB_BOOTLOADER, &data->flags); |
Marcel Holtmann | 4185a0f | 2015-04-06 00:52:12 -0700 | [diff] [blame] | 2406 | btintel_check_bdaddr(hdev); |
Marcel Holtmann | cda0dd7 | 2015-01-26 21:33:48 -0800 | [diff] [blame] | 2407 | return 0; |
| 2408 | } |
| 2409 | |
| 2410 | /* If the device is not in bootloader mode, then the only possible |
| 2411 | * choice is to return an error and abort the device initialization. |
| 2412 | */ |
| 2413 | if (ver->fw_variant != 0x06) { |
| 2414 | BT_ERR("%s: Unsupported Intel firmware variant (%u)", |
| 2415 | hdev->name, ver->fw_variant); |
| 2416 | kfree_skb(skb); |
| 2417 | return -ENODEV; |
| 2418 | } |
| 2419 | |
| 2420 | kfree_skb(skb); |
| 2421 | |
| 2422 | /* Read the secure boot parameters to identify the operating |
| 2423 | * details of the bootloader. |
| 2424 | */ |
| 2425 | skb = __hci_cmd_sync(hdev, 0xfc0d, 0, NULL, HCI_INIT_TIMEOUT); |
| 2426 | if (IS_ERR(skb)) { |
| 2427 | BT_ERR("%s: Reading Intel boot parameters failed (%ld)", |
| 2428 | hdev->name, PTR_ERR(skb)); |
| 2429 | return PTR_ERR(skb); |
| 2430 | } |
| 2431 | |
| 2432 | if (skb->len != sizeof(*params)) { |
| 2433 | BT_ERR("%s: Intel boot parameters size mismatch", hdev->name); |
| 2434 | kfree_skb(skb); |
| 2435 | return -EILSEQ; |
| 2436 | } |
| 2437 | |
| 2438 | params = (struct intel_boot_params *)skb->data; |
| 2439 | if (params->status) { |
| 2440 | BT_ERR("%s: Intel boot parameters command failure (%02x)", |
| 2441 | hdev->name, params->status); |
| 2442 | err = -bt_to_errno(params->status); |
| 2443 | kfree_skb(skb); |
| 2444 | return err; |
| 2445 | } |
| 2446 | |
| 2447 | BT_INFO("%s: Device revision is %u", hdev->name, |
| 2448 | le16_to_cpu(params->dev_revid)); |
| 2449 | |
| 2450 | BT_INFO("%s: Secure boot is %s", hdev->name, |
| 2451 | params->secure_boot ? "enabled" : "disabled"); |
| 2452 | |
| 2453 | BT_INFO("%s: Minimum firmware build %u week %u %u", hdev->name, |
| 2454 | params->min_fw_build_nn, params->min_fw_build_cw, |
| 2455 | 2000 + params->min_fw_build_yy); |
| 2456 | |
| 2457 | /* It is required that every single firmware fragment is acknowledged |
| 2458 | * with a command complete event. If the boot parameters indicate |
| 2459 | * that this bootloader does not send them, then abort the setup. |
| 2460 | */ |
| 2461 | if (params->limited_cce != 0x00) { |
| 2462 | BT_ERR("%s: Unsupported Intel firmware loading method (%u)", |
| 2463 | hdev->name, params->limited_cce); |
| 2464 | kfree_skb(skb); |
| 2465 | return -EINVAL; |
| 2466 | } |
| 2467 | |
| 2468 | /* If the OTP has no valid Bluetooth device address, then there will |
| 2469 | * also be no valid address for the operational firmware. |
| 2470 | */ |
| 2471 | if (!bacmp(¶ms->otp_bdaddr, BDADDR_ANY)) { |
| 2472 | BT_INFO("%s: No device address configured", hdev->name); |
| 2473 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); |
| 2474 | } |
| 2475 | |
| 2476 | /* With this Intel bootloader only the hardware variant and device |
| 2477 | * revision information are used to select the right firmware. |
| 2478 | * |
| 2479 | * Currently this bootloader support is limited to hardware variant |
| 2480 | * iBT 3.0 (LnP/SfP) which is identified by the value 11 (0x0b). |
| 2481 | */ |
| 2482 | snprintf(fwname, sizeof(fwname), "intel/ibt-11-%u.sfi", |
| 2483 | le16_to_cpu(params->dev_revid)); |
| 2484 | |
| 2485 | err = request_firmware(&fw, fwname, &hdev->dev); |
| 2486 | if (err < 0) { |
| 2487 | BT_ERR("%s: Failed to load Intel firmware file (%d)", |
| 2488 | hdev->name, err); |
| 2489 | kfree_skb(skb); |
| 2490 | return err; |
| 2491 | } |
| 2492 | |
| 2493 | BT_INFO("%s: Found device firmware: %s", hdev->name, fwname); |
| 2494 | |
| 2495 | kfree_skb(skb); |
| 2496 | |
| 2497 | if (fw->size < 644) { |
| 2498 | BT_ERR("%s: Invalid size of firmware file (%zu)", |
| 2499 | hdev->name, fw->size); |
| 2500 | err = -EBADF; |
| 2501 | goto done; |
| 2502 | } |
| 2503 | |
| 2504 | set_bit(BTUSB_DOWNLOADING, &data->flags); |
| 2505 | |
| 2506 | /* Start the firmware download transaction with the Init fragment |
| 2507 | * represented by the 128 bytes of CSS header. |
| 2508 | */ |
| 2509 | err = btusb_intel_secure_send(hdev, 0x00, 128, fw->data); |
| 2510 | if (err < 0) { |
| 2511 | BT_ERR("%s: Failed to send firmware header (%d)", |
| 2512 | hdev->name, err); |
| 2513 | goto done; |
| 2514 | } |
| 2515 | |
| 2516 | /* Send the 256 bytes of public key information from the firmware |
| 2517 | * as the PKey fragment. |
| 2518 | */ |
| 2519 | err = btusb_intel_secure_send(hdev, 0x03, 256, fw->data + 128); |
| 2520 | if (err < 0) { |
| 2521 | BT_ERR("%s: Failed to send firmware public key (%d)", |
| 2522 | hdev->name, err); |
| 2523 | goto done; |
| 2524 | } |
| 2525 | |
| 2526 | /* Send the 256 bytes of signature information from the firmware |
| 2527 | * as the Sign fragment. |
| 2528 | */ |
| 2529 | err = btusb_intel_secure_send(hdev, 0x02, 256, fw->data + 388); |
| 2530 | if (err < 0) { |
| 2531 | BT_ERR("%s: Failed to send firmware signature (%d)", |
| 2532 | hdev->name, err); |
| 2533 | goto done; |
| 2534 | } |
| 2535 | |
| 2536 | fw_ptr = fw->data + 644; |
| 2537 | |
| 2538 | while (fw_ptr - fw->data < fw->size) { |
| 2539 | struct hci_command_hdr *cmd = (void *)fw_ptr; |
| 2540 | u8 cmd_len; |
| 2541 | |
| 2542 | cmd_len = sizeof(*cmd) + cmd->plen; |
| 2543 | |
| 2544 | /* Send each command from the firmware data buffer as |
| 2545 | * a single Data fragment. |
| 2546 | */ |
| 2547 | err = btusb_intel_secure_send(hdev, 0x01, cmd_len, fw_ptr); |
| 2548 | if (err < 0) { |
| 2549 | BT_ERR("%s: Failed to send firmware data (%d)", |
| 2550 | hdev->name, err); |
| 2551 | goto done; |
| 2552 | } |
| 2553 | |
| 2554 | fw_ptr += cmd_len; |
| 2555 | } |
| 2556 | |
Marcel Holtmann | ce6bb92 | 2015-01-28 01:58:40 -0800 | [diff] [blame] | 2557 | set_bit(BTUSB_FIRMWARE_LOADED, &data->flags); |
| 2558 | |
Johan Hedberg | a087a98 | 2015-01-30 10:58:54 +0200 | [diff] [blame] | 2559 | BT_INFO("%s: Waiting for firmware download to complete", hdev->name); |
| 2560 | |
Marcel Holtmann | cda0dd7 | 2015-01-26 21:33:48 -0800 | [diff] [blame] | 2561 | /* Before switching the device into operational mode and with that |
| 2562 | * booting the loaded firmware, wait for the bootloader notification |
| 2563 | * that all fragments have been successfully received. |
| 2564 | * |
Johan Hedberg | a087a98 | 2015-01-30 10:58:54 +0200 | [diff] [blame] | 2565 | * When the event processing receives the notification, then the |
| 2566 | * BTUSB_DOWNLOADING flag will be cleared. |
| 2567 | * |
| 2568 | * The firmware loading should not take longer than 5 seconds |
| 2569 | * and thus just timeout if that happens and fail the setup |
| 2570 | * of this device. |
Marcel Holtmann | cda0dd7 | 2015-01-26 21:33:48 -0800 | [diff] [blame] | 2571 | */ |
Johan Hedberg | 129a769 | 2015-02-14 09:33:35 +0200 | [diff] [blame] | 2572 | err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING, |
| 2573 | TASK_INTERRUPTIBLE, |
| 2574 | msecs_to_jiffies(5000)); |
Johan Hedberg | a087a98 | 2015-01-30 10:58:54 +0200 | [diff] [blame] | 2575 | if (err == 1) { |
| 2576 | BT_ERR("%s: Firmware loading interrupted", hdev->name); |
| 2577 | err = -EINTR; |
| 2578 | goto done; |
| 2579 | } |
Marcel Holtmann | cda0dd7 | 2015-01-26 21:33:48 -0800 | [diff] [blame] | 2580 | |
Johan Hedberg | a087a98 | 2015-01-30 10:58:54 +0200 | [diff] [blame] | 2581 | if (err) { |
| 2582 | BT_ERR("%s: Firmware loading timeout", hdev->name); |
| 2583 | err = -ETIMEDOUT; |
| 2584 | goto done; |
Marcel Holtmann | cda0dd7 | 2015-01-26 21:33:48 -0800 | [diff] [blame] | 2585 | } |
| 2586 | |
| 2587 | if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) { |
| 2588 | BT_ERR("%s: Firmware loading failed", hdev->name); |
| 2589 | err = -ENOEXEC; |
| 2590 | goto done; |
| 2591 | } |
| 2592 | |
| 2593 | rettime = ktime_get(); |
| 2594 | delta = ktime_sub(rettime, calltime); |
| 2595 | duration = (unsigned long long) ktime_to_ns(delta) >> 10; |
| 2596 | |
| 2597 | BT_INFO("%s: Firmware loaded in %llu usecs", hdev->name, duration); |
| 2598 | |
| 2599 | done: |
| 2600 | release_firmware(fw); |
| 2601 | |
| 2602 | if (err < 0) |
| 2603 | return err; |
| 2604 | |
| 2605 | calltime = ktime_get(); |
| 2606 | |
| 2607 | set_bit(BTUSB_BOOTING, &data->flags); |
| 2608 | |
| 2609 | skb = __hci_cmd_sync(hdev, 0xfc01, sizeof(reset_param), reset_param, |
| 2610 | HCI_INIT_TIMEOUT); |
| 2611 | if (IS_ERR(skb)) |
| 2612 | return PTR_ERR(skb); |
| 2613 | |
| 2614 | kfree_skb(skb); |
| 2615 | |
| 2616 | /* The bootloader will not indicate when the device is ready. This |
| 2617 | * is done by the operational firmware sending bootup notification. |
Johan Hedberg | fad7097 | 2015-01-30 10:58:55 +0200 | [diff] [blame] | 2618 | * |
| 2619 | * Booting into operational firmware should not take longer than |
| 2620 | * 1 second. However if that happens, then just fail the setup |
| 2621 | * since something went wrong. |
Marcel Holtmann | cda0dd7 | 2015-01-26 21:33:48 -0800 | [diff] [blame] | 2622 | */ |
Johan Hedberg | fad7097 | 2015-01-30 10:58:55 +0200 | [diff] [blame] | 2623 | BT_INFO("%s: Waiting for device to boot", hdev->name); |
Marcel Holtmann | cda0dd7 | 2015-01-26 21:33:48 -0800 | [diff] [blame] | 2624 | |
Johan Hedberg | 129a769 | 2015-02-14 09:33:35 +0200 | [diff] [blame] | 2625 | err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING, |
| 2626 | TASK_INTERRUPTIBLE, |
| 2627 | msecs_to_jiffies(1000)); |
Marcel Holtmann | cda0dd7 | 2015-01-26 21:33:48 -0800 | [diff] [blame] | 2628 | |
Johan Hedberg | fad7097 | 2015-01-30 10:58:55 +0200 | [diff] [blame] | 2629 | if (err == 1) { |
| 2630 | BT_ERR("%s: Device boot interrupted", hdev->name); |
| 2631 | return -EINTR; |
| 2632 | } |
Marcel Holtmann | cda0dd7 | 2015-01-26 21:33:48 -0800 | [diff] [blame] | 2633 | |
Johan Hedberg | fad7097 | 2015-01-30 10:58:55 +0200 | [diff] [blame] | 2634 | if (err) { |
| 2635 | BT_ERR("%s: Device boot timeout", hdev->name); |
| 2636 | return -ETIMEDOUT; |
Marcel Holtmann | cda0dd7 | 2015-01-26 21:33:48 -0800 | [diff] [blame] | 2637 | } |
| 2638 | |
| 2639 | rettime = ktime_get(); |
| 2640 | delta = ktime_sub(rettime, calltime); |
| 2641 | duration = (unsigned long long) ktime_to_ns(delta) >> 10; |
| 2642 | |
| 2643 | BT_INFO("%s: Device booted in %llu usecs", hdev->name, duration); |
| 2644 | |
| 2645 | clear_bit(BTUSB_BOOTLOADER, &data->flags); |
| 2646 | |
| 2647 | return 0; |
| 2648 | } |
| 2649 | |
Marcel Holtmann | 385a768 | 2015-01-28 11:09:56 -0800 | [diff] [blame] | 2650 | static void btusb_hw_error_intel(struct hci_dev *hdev, u8 code) |
| 2651 | { |
| 2652 | struct sk_buff *skb; |
| 2653 | u8 type = 0x00; |
| 2654 | |
| 2655 | BT_ERR("%s: Hardware error 0x%2.2x", hdev->name, code); |
| 2656 | |
| 2657 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); |
| 2658 | if (IS_ERR(skb)) { |
| 2659 | BT_ERR("%s: Reset after hardware error failed (%ld)", |
| 2660 | hdev->name, PTR_ERR(skb)); |
| 2661 | return; |
| 2662 | } |
| 2663 | kfree_skb(skb); |
| 2664 | |
| 2665 | skb = __hci_cmd_sync(hdev, 0xfc22, 1, &type, HCI_INIT_TIMEOUT); |
| 2666 | if (IS_ERR(skb)) { |
| 2667 | BT_ERR("%s: Retrieving Intel exception info failed (%ld)", |
| 2668 | hdev->name, PTR_ERR(skb)); |
| 2669 | return; |
| 2670 | } |
| 2671 | |
| 2672 | if (skb->len != 13) { |
| 2673 | BT_ERR("%s: Exception info size mismatch", hdev->name); |
| 2674 | kfree_skb(skb); |
| 2675 | return; |
| 2676 | } |
| 2677 | |
| 2678 | if (skb->data[0] != 0x00) { |
| 2679 | BT_ERR("%s: Exception info command failure (%02x)", |
| 2680 | hdev->name, skb->data[0]); |
| 2681 | kfree_skb(skb); |
| 2682 | return; |
| 2683 | } |
| 2684 | |
| 2685 | BT_ERR("%s: Exception info %s", hdev->name, (char *)(skb->data + 1)); |
| 2686 | |
| 2687 | kfree_skb(skb); |
| 2688 | } |
| 2689 | |
Tedd Ho-Jeong An | bfbd45e | 2015-02-13 09:20:52 -0800 | [diff] [blame] | 2690 | static int btusb_shutdown_intel(struct hci_dev *hdev) |
| 2691 | { |
| 2692 | struct sk_buff *skb; |
| 2693 | long ret; |
| 2694 | |
| 2695 | /* Some platforms have an issue with BT LED when the interface is |
| 2696 | * down or BT radio is turned off, which takes 5 seconds to BT LED |
| 2697 | * goes off. This command turns off the BT LED immediately. |
| 2698 | */ |
| 2699 | skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT); |
| 2700 | if (IS_ERR(skb)) { |
| 2701 | ret = PTR_ERR(skb); |
| 2702 | BT_ERR("%s: turning off Intel device LED failed (%ld)", |
| 2703 | hdev->name, ret); |
| 2704 | return ret; |
| 2705 | } |
| 2706 | kfree_skb(skb); |
| 2707 | |
| 2708 | return 0; |
| 2709 | } |
| 2710 | |
Amitkumar Karwar | ae8df49 | 2014-07-18 14:47:06 -0700 | [diff] [blame] | 2711 | static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, |
| 2712 | const bdaddr_t *bdaddr) |
| 2713 | { |
| 2714 | struct sk_buff *skb; |
| 2715 | u8 buf[8]; |
| 2716 | long ret; |
| 2717 | |
| 2718 | buf[0] = 0xfe; |
| 2719 | buf[1] = sizeof(bdaddr_t); |
| 2720 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); |
| 2721 | |
| 2722 | skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT); |
| 2723 | if (IS_ERR(skb)) { |
| 2724 | ret = PTR_ERR(skb); |
| 2725 | BT_ERR("%s: changing Marvell device address failed (%ld)", |
| 2726 | hdev->name, ret); |
| 2727 | return ret; |
| 2728 | } |
| 2729 | kfree_skb(skb); |
| 2730 | |
| 2731 | return 0; |
| 2732 | } |
| 2733 | |
Toshi Kikuchi | 5859223 | 2014-12-12 10:58:05 -0800 | [diff] [blame] | 2734 | static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, |
| 2735 | const bdaddr_t *bdaddr) |
| 2736 | { |
| 2737 | struct sk_buff *skb; |
| 2738 | u8 buf[10]; |
| 2739 | long ret; |
| 2740 | |
| 2741 | buf[0] = 0x01; |
| 2742 | buf[1] = 0x01; |
| 2743 | buf[2] = 0x00; |
| 2744 | buf[3] = sizeof(bdaddr_t); |
| 2745 | memcpy(buf + 4, bdaddr, sizeof(bdaddr_t)); |
| 2746 | |
| 2747 | skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT); |
| 2748 | if (IS_ERR(skb)) { |
| 2749 | ret = PTR_ERR(skb); |
| 2750 | BT_ERR("%s: Change address command failed (%ld)", |
| 2751 | hdev->name, ret); |
| 2752 | return ret; |
| 2753 | } |
| 2754 | kfree_skb(skb); |
| 2755 | |
| 2756 | return 0; |
| 2757 | } |
| 2758 | |
Kim, Ben Young Tae | 3267c88 | 2015-02-15 23:07:33 +0000 | [diff] [blame] | 2759 | #define QCA_DFU_PACKET_LEN 4096 |
| 2760 | |
| 2761 | #define QCA_GET_TARGET_VERSION 0x09 |
| 2762 | #define QCA_CHECK_STATUS 0x05 |
| 2763 | #define QCA_DFU_DOWNLOAD 0x01 |
| 2764 | |
| 2765 | #define QCA_SYSCFG_UPDATED 0x40 |
| 2766 | #define QCA_PATCH_UPDATED 0x80 |
| 2767 | #define QCA_DFU_TIMEOUT 3000 |
| 2768 | |
| 2769 | struct qca_version { |
| 2770 | __le32 rom_version; |
| 2771 | __le32 patch_version; |
| 2772 | __le32 ram_version; |
| 2773 | __le32 ref_clock; |
| 2774 | __u8 reserved[4]; |
| 2775 | } __packed; |
| 2776 | |
| 2777 | struct qca_rampatch_version { |
| 2778 | __le16 rom_version; |
| 2779 | __le16 patch_version; |
| 2780 | } __packed; |
| 2781 | |
| 2782 | struct qca_device_info { |
Kim, Ben Young Tae | bf906b3 | 2015-03-10 23:34:58 +0000 | [diff] [blame] | 2783 | u32 rom_version; |
| 2784 | u8 rampatch_hdr; /* length of header in rampatch */ |
| 2785 | u8 nvm_hdr; /* length of header in NVM */ |
| 2786 | u8 ver_offset; /* offset of version structure in rampatch */ |
Kim, Ben Young Tae | 3267c88 | 2015-02-15 23:07:33 +0000 | [diff] [blame] | 2787 | }; |
| 2788 | |
| 2789 | static const struct qca_device_info qca_devices_table[] = { |
| 2790 | { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */ |
| 2791 | { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */ |
| 2792 | { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */ |
| 2793 | { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */ |
| 2794 | { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */ |
| 2795 | }; |
| 2796 | |
| 2797 | static int btusb_qca_send_vendor_req(struct hci_dev *hdev, u8 request, |
| 2798 | void *data, u16 size) |
| 2799 | { |
| 2800 | struct btusb_data *btdata = hci_get_drvdata(hdev); |
| 2801 | struct usb_device *udev = btdata->udev; |
| 2802 | int pipe, err; |
| 2803 | u8 *buf; |
| 2804 | |
| 2805 | buf = kmalloc(size, GFP_KERNEL); |
| 2806 | if (!buf) |
| 2807 | return -ENOMEM; |
| 2808 | |
| 2809 | /* Found some of USB hosts have IOT issues with ours so that we should |
| 2810 | * not wait until HCI layer is ready. |
| 2811 | */ |
| 2812 | pipe = usb_rcvctrlpipe(udev, 0); |
| 2813 | err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN, |
| 2814 | 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); |
| 2815 | if (err < 0) { |
| 2816 | BT_ERR("%s: Failed to access otp area (%d)", hdev->name, err); |
| 2817 | goto done; |
| 2818 | } |
| 2819 | |
| 2820 | memcpy(data, buf, size); |
| 2821 | |
| 2822 | done: |
| 2823 | kfree(buf); |
| 2824 | |
| 2825 | return err; |
| 2826 | } |
| 2827 | |
| 2828 | static int btusb_setup_qca_download_fw(struct hci_dev *hdev, |
| 2829 | const struct firmware *firmware, |
| 2830 | size_t hdr_size) |
| 2831 | { |
| 2832 | struct btusb_data *btdata = hci_get_drvdata(hdev); |
| 2833 | struct usb_device *udev = btdata->udev; |
| 2834 | size_t count, size, sent = 0; |
| 2835 | int pipe, len, err; |
| 2836 | u8 *buf; |
| 2837 | |
| 2838 | buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL); |
| 2839 | if (!buf) |
| 2840 | return -ENOMEM; |
| 2841 | |
| 2842 | count = firmware->size; |
| 2843 | |
| 2844 | size = min_t(size_t, count, hdr_size); |
| 2845 | memcpy(buf, firmware->data, size); |
| 2846 | |
| 2847 | /* USB patches should go down to controller through USB path |
| 2848 | * because binary format fits to go down through USB channel. |
| 2849 | * USB control path is for patching headers and USB bulk is for |
| 2850 | * patch body. |
| 2851 | */ |
| 2852 | pipe = usb_sndctrlpipe(udev, 0); |
| 2853 | err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR, |
| 2854 | 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); |
| 2855 | if (err < 0) { |
| 2856 | BT_ERR("%s: Failed to send headers (%d)", hdev->name, err); |
| 2857 | goto done; |
| 2858 | } |
| 2859 | |
| 2860 | sent += size; |
| 2861 | count -= size; |
| 2862 | |
| 2863 | while (count) { |
| 2864 | size = min_t(size_t, count, QCA_DFU_PACKET_LEN); |
| 2865 | |
| 2866 | memcpy(buf, firmware->data + sent, size); |
| 2867 | |
| 2868 | pipe = usb_sndbulkpipe(udev, 0x02); |
| 2869 | err = usb_bulk_msg(udev, pipe, buf, size, &len, |
| 2870 | QCA_DFU_TIMEOUT); |
| 2871 | if (err < 0) { |
| 2872 | BT_ERR("%s: Failed to send body at %zd of %zd (%d)", |
| 2873 | hdev->name, sent, firmware->size, err); |
| 2874 | break; |
| 2875 | } |
| 2876 | |
| 2877 | if (size != len) { |
| 2878 | BT_ERR("%s: Failed to get bulk buffer", hdev->name); |
| 2879 | err = -EILSEQ; |
| 2880 | break; |
| 2881 | } |
| 2882 | |
| 2883 | sent += size; |
| 2884 | count -= size; |
| 2885 | } |
| 2886 | |
| 2887 | done: |
| 2888 | kfree(buf); |
| 2889 | return err; |
| 2890 | } |
| 2891 | |
| 2892 | static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev, |
| 2893 | struct qca_version *ver, |
| 2894 | const struct qca_device_info *info) |
| 2895 | { |
| 2896 | struct qca_rampatch_version *rver; |
| 2897 | const struct firmware *fw; |
Kim, Ben Young Tae | bf906b3 | 2015-03-10 23:34:58 +0000 | [diff] [blame] | 2898 | u32 ver_rom, ver_patch; |
| 2899 | u16 rver_rom, rver_patch; |
Kim, Ben Young Tae | 3267c88 | 2015-02-15 23:07:33 +0000 | [diff] [blame] | 2900 | char fwname[64]; |
| 2901 | int err; |
| 2902 | |
Kim, Ben Young Tae | bf906b3 | 2015-03-10 23:34:58 +0000 | [diff] [blame] | 2903 | ver_rom = le32_to_cpu(ver->rom_version); |
| 2904 | ver_patch = le32_to_cpu(ver->patch_version); |
| 2905 | |
| 2906 | snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom); |
Kim, Ben Young Tae | 3267c88 | 2015-02-15 23:07:33 +0000 | [diff] [blame] | 2907 | |
| 2908 | err = request_firmware(&fw, fwname, &hdev->dev); |
| 2909 | if (err) { |
| 2910 | BT_ERR("%s: failed to request rampatch file: %s (%d)", |
| 2911 | hdev->name, fwname, err); |
| 2912 | return err; |
| 2913 | } |
| 2914 | |
| 2915 | BT_INFO("%s: using rampatch file: %s", hdev->name, fwname); |
Kim, Ben Young Tae | 3267c88 | 2015-02-15 23:07:33 +0000 | [diff] [blame] | 2916 | |
Kim, Ben Young Tae | bf906b3 | 2015-03-10 23:34:58 +0000 | [diff] [blame] | 2917 | rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset); |
| 2918 | rver_rom = le16_to_cpu(rver->rom_version); |
| 2919 | rver_patch = le16_to_cpu(rver->patch_version); |
| 2920 | |
| 2921 | BT_INFO("%s: QCA: patch rome 0x%x build 0x%x, firmware rome 0x%x " |
| 2922 | "build 0x%x", hdev->name, rver_rom, rver_patch, ver_rom, |
| 2923 | ver_patch); |
| 2924 | |
| 2925 | if (rver_rom != ver_rom || rver_patch <= ver_patch) { |
Kim, Ben Young Tae | 3267c88 | 2015-02-15 23:07:33 +0000 | [diff] [blame] | 2926 | BT_ERR("%s: rampatch file version did not match with firmware", |
| 2927 | hdev->name); |
| 2928 | err = -EINVAL; |
| 2929 | goto done; |
| 2930 | } |
| 2931 | |
| 2932 | err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr); |
| 2933 | |
| 2934 | done: |
| 2935 | release_firmware(fw); |
| 2936 | |
| 2937 | return err; |
| 2938 | } |
| 2939 | |
| 2940 | static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, |
| 2941 | struct qca_version *ver, |
| 2942 | const struct qca_device_info *info) |
| 2943 | { |
| 2944 | const struct firmware *fw; |
| 2945 | char fwname[64]; |
| 2946 | int err; |
| 2947 | |
| 2948 | snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin", |
| 2949 | le32_to_cpu(ver->rom_version)); |
| 2950 | |
| 2951 | err = request_firmware(&fw, fwname, &hdev->dev); |
| 2952 | if (err) { |
| 2953 | BT_ERR("%s: failed to request NVM file: %s (%d)", |
| 2954 | hdev->name, fwname, err); |
| 2955 | return err; |
| 2956 | } |
| 2957 | |
| 2958 | BT_INFO("%s: using NVM file: %s", hdev->name, fwname); |
| 2959 | |
| 2960 | err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr); |
| 2961 | |
| 2962 | release_firmware(fw); |
| 2963 | |
| 2964 | return err; |
| 2965 | } |
| 2966 | |
| 2967 | static int btusb_setup_qca(struct hci_dev *hdev) |
| 2968 | { |
| 2969 | const struct qca_device_info *info = NULL; |
| 2970 | struct qca_version ver; |
Kim, Ben Young Tae | bf906b3 | 2015-03-10 23:34:58 +0000 | [diff] [blame] | 2971 | u32 ver_rom; |
Kim, Ben Young Tae | 3267c88 | 2015-02-15 23:07:33 +0000 | [diff] [blame] | 2972 | u8 status; |
| 2973 | int i, err; |
| 2974 | |
| 2975 | err = btusb_qca_send_vendor_req(hdev, QCA_GET_TARGET_VERSION, &ver, |
Marcel Holtmann | eb50042 | 2015-04-16 23:15:50 +0200 | [diff] [blame] | 2976 | sizeof(ver)); |
Kim, Ben Young Tae | 3267c88 | 2015-02-15 23:07:33 +0000 | [diff] [blame] | 2977 | if (err < 0) |
| 2978 | return err; |
| 2979 | |
Kim, Ben Young Tae | bf906b3 | 2015-03-10 23:34:58 +0000 | [diff] [blame] | 2980 | ver_rom = le32_to_cpu(ver.rom_version); |
Kim, Ben Young Tae | 3267c88 | 2015-02-15 23:07:33 +0000 | [diff] [blame] | 2981 | for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) { |
Kim, Ben Young Tae | bf906b3 | 2015-03-10 23:34:58 +0000 | [diff] [blame] | 2982 | if (ver_rom == qca_devices_table[i].rom_version) |
Kim, Ben Young Tae | 3267c88 | 2015-02-15 23:07:33 +0000 | [diff] [blame] | 2983 | info = &qca_devices_table[i]; |
| 2984 | } |
| 2985 | if (!info) { |
| 2986 | BT_ERR("%s: don't support firmware rome 0x%x", hdev->name, |
Kim, Ben Young Tae | bf906b3 | 2015-03-10 23:34:58 +0000 | [diff] [blame] | 2987 | ver_rom); |
Kim, Ben Young Tae | 3267c88 | 2015-02-15 23:07:33 +0000 | [diff] [blame] | 2988 | return -ENODEV; |
| 2989 | } |
| 2990 | |
| 2991 | err = btusb_qca_send_vendor_req(hdev, QCA_CHECK_STATUS, &status, |
| 2992 | sizeof(status)); |
| 2993 | if (err < 0) |
| 2994 | return err; |
| 2995 | |
| 2996 | if (!(status & QCA_PATCH_UPDATED)) { |
| 2997 | err = btusb_setup_qca_load_rampatch(hdev, &ver, info); |
| 2998 | if (err < 0) |
| 2999 | return err; |
| 3000 | } |
| 3001 | |
| 3002 | if (!(status & QCA_SYSCFG_UPDATED)) { |
| 3003 | err = btusb_setup_qca_load_nvm(hdev, &ver, info); |
| 3004 | if (err < 0) |
| 3005 | return err; |
| 3006 | } |
| 3007 | |
| 3008 | return 0; |
| 3009 | } |
| 3010 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3011 | static int btusb_probe(struct usb_interface *intf, |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 3012 | const struct usb_device_id *id) |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3013 | { |
| 3014 | struct usb_endpoint_descriptor *ep_desc; |
| 3015 | struct btusb_data *data; |
| 3016 | struct hci_dev *hdev; |
| 3017 | int i, err; |
| 3018 | |
| 3019 | BT_DBG("intf %p id %p", intf, id); |
| 3020 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 3021 | /* interface numbers are hardcoded in the spec */ |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3022 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
| 3023 | return -ENODEV; |
| 3024 | |
| 3025 | if (!id->driver_info) { |
| 3026 | const struct usb_device_id *match; |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 3027 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3028 | match = usb_match_id(intf, blacklist_table); |
| 3029 | if (match) |
| 3030 | id = match; |
| 3031 | } |
| 3032 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 3033 | if (id->driver_info == BTUSB_IGNORE) |
| 3034 | return -ENODEV; |
| 3035 | |
Steven.Li | 2d25f8b | 2011-07-01 14:02:36 +0800 | [diff] [blame] | 3036 | if (id->driver_info & BTUSB_ATH3012) { |
| 3037 | struct usb_device *udev = interface_to_usbdev(intf); |
| 3038 | |
| 3039 | /* Old firmware would otherwise let ath3k driver load |
| 3040 | * patch and sysconfig files */ |
| 3041 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) |
| 3042 | return -ENODEV; |
| 3043 | } |
| 3044 | |
Sachin Kamat | 98921db | 2012-07-27 12:38:39 +0530 | [diff] [blame] | 3045 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3046 | if (!data) |
| 3047 | return -ENOMEM; |
| 3048 | |
| 3049 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { |
| 3050 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; |
| 3051 | |
| 3052 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { |
| 3053 | data->intr_ep = ep_desc; |
| 3054 | continue; |
| 3055 | } |
| 3056 | |
| 3057 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { |
| 3058 | data->bulk_tx_ep = ep_desc; |
| 3059 | continue; |
| 3060 | } |
| 3061 | |
| 3062 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { |
| 3063 | data->bulk_rx_ep = ep_desc; |
| 3064 | continue; |
| 3065 | } |
| 3066 | } |
| 3067 | |
Sachin Kamat | 98921db | 2012-07-27 12:38:39 +0530 | [diff] [blame] | 3068 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3069 | return -ENODEV; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3070 | |
Marcel Holtmann | 893ba54 | 2015-01-28 20:27:34 -0800 | [diff] [blame] | 3071 | if (id->driver_info & BTUSB_AMP) { |
| 3072 | data->cmdreq_type = USB_TYPE_CLASS | 0x01; |
| 3073 | data->cmdreq = 0x2b; |
| 3074 | } else { |
| 3075 | data->cmdreq_type = USB_TYPE_CLASS; |
| 3076 | data->cmdreq = 0x00; |
| 3077 | } |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 3078 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3079 | data->udev = interface_to_usbdev(intf); |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 3080 | data->intf = intf; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3081 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3082 | INIT_WORK(&data->work, btusb_work); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 3083 | INIT_WORK(&data->waker, btusb_waker); |
Marcel Holtmann | 803b583 | 2014-09-16 08:00:29 +0200 | [diff] [blame] | 3084 | init_usb_anchor(&data->deferred); |
| 3085 | init_usb_anchor(&data->tx_anchor); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 3086 | spin_lock_init(&data->txlock); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3087 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3088 | init_usb_anchor(&data->intr_anchor); |
| 3089 | init_usb_anchor(&data->bulk_anchor); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 3090 | init_usb_anchor(&data->isoc_anchor); |
Marcel Holtmann | 803b583 | 2014-09-16 08:00:29 +0200 | [diff] [blame] | 3091 | spin_lock_init(&data->rxlock); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3092 | |
Marcel Holtmann | cda0dd7 | 2015-01-26 21:33:48 -0800 | [diff] [blame] | 3093 | if (id->driver_info & BTUSB_INTEL_NEW) { |
| 3094 | data->recv_event = btusb_recv_event_intel; |
| 3095 | data->recv_bulk = btusb_recv_bulk_intel; |
| 3096 | set_bit(BTUSB_BOOTLOADER, &data->flags); |
| 3097 | } else { |
| 3098 | data->recv_event = hci_recv_frame; |
| 3099 | data->recv_bulk = btusb_recv_bulk; |
| 3100 | } |
Marcel Holtmann | 2cbd3f5 | 2014-11-03 05:16:07 +0100 | [diff] [blame] | 3101 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3102 | hdev = hci_alloc_dev(); |
Sachin Kamat | 98921db | 2012-07-27 12:38:39 +0530 | [diff] [blame] | 3103 | if (!hdev) |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3104 | return -ENOMEM; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3105 | |
Marcel Holtmann | c13854c | 2010-02-08 15:27:07 +0100 | [diff] [blame] | 3106 | hdev->bus = HCI_USB; |
David Herrmann | 155961e | 2012-02-09 21:58:32 +0100 | [diff] [blame] | 3107 | hci_set_drvdata(hdev, data); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3108 | |
Marcel Holtmann | 893ba54 | 2015-01-28 20:27:34 -0800 | [diff] [blame] | 3109 | if (id->driver_info & BTUSB_AMP) |
| 3110 | hdev->dev_type = HCI_AMP; |
| 3111 | else |
| 3112 | hdev->dev_type = HCI_BREDR; |
| 3113 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3114 | data->hdev = hdev; |
| 3115 | |
| 3116 | SET_HCIDEV_DEV(hdev, &intf->dev); |
| 3117 | |
Marcel Holtmann | 9f8f962 | 2013-04-10 08:11:35 -0700 | [diff] [blame] | 3118 | hdev->open = btusb_open; |
| 3119 | hdev->close = btusb_close; |
| 3120 | hdev->flush = btusb_flush; |
| 3121 | hdev->send = btusb_send_frame; |
| 3122 | hdev->notify = btusb_notify; |
| 3123 | |
| 3124 | if (id->driver_info & BTUSB_BCM92035) |
| 3125 | hdev->setup = btusb_setup_bcm92035; |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3126 | |
Marcel Holtmann | c2bfb10 | 2015-04-05 22:52:14 -0700 | [diff] [blame] | 3127 | #ifdef CONFIG_BT_HCIBTUSB_BCM |
Marcel Holtmann | abbaf50 | 2014-07-02 00:53:48 +0200 | [diff] [blame] | 3128 | if (id->driver_info & BTUSB_BCM_PATCHRAM) { |
Marcel Holtmann | c2bfb10 | 2015-04-05 22:52:14 -0700 | [diff] [blame] | 3129 | hdev->setup = btbcm_setup_patchram; |
Marcel Holtmann | 1df1f59 | 2015-04-05 22:52:11 -0700 | [diff] [blame] | 3130 | hdev->set_bdaddr = btbcm_set_bdaddr; |
Marcel Holtmann | abbaf50 | 2014-07-02 00:53:48 +0200 | [diff] [blame] | 3131 | } |
Petri Gynther | 10d4c67 | 2014-05-08 15:50:01 -0700 | [diff] [blame] | 3132 | |
Marcel Holtmann | 941521e | 2015-04-05 22:52:15 -0700 | [diff] [blame] | 3133 | if (id->driver_info & BTUSB_BCM_APPLE) |
Marcel Holtmann | c2bfb10 | 2015-04-05 22:52:14 -0700 | [diff] [blame] | 3134 | hdev->setup = btbcm_setup_apple; |
Marcel Holtmann | c2bfb10 | 2015-04-05 22:52:14 -0700 | [diff] [blame] | 3135 | #endif |
Marcel Holtmann | 17b2772 | 2015-03-22 15:52:38 +0100 | [diff] [blame] | 3136 | |
Marcel Holtmann | cb8d659 | 2014-07-02 11:25:25 +0200 | [diff] [blame] | 3137 | if (id->driver_info & BTUSB_INTEL) { |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 3138 | hdev->setup = btusb_setup_intel; |
Tedd Ho-Jeong An | bfbd45e | 2015-02-13 09:20:52 -0800 | [diff] [blame] | 3139 | hdev->shutdown = btusb_shutdown_intel; |
Marcel Holtmann | 4185a0f | 2015-04-06 00:52:12 -0700 | [diff] [blame] | 3140 | hdev->set_bdaddr = btintel_set_bdaddr; |
Jakub Pawlowski | c33fb9b | 2015-01-30 18:55:58 -0800 | [diff] [blame] | 3141 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
Jakub Pawlowski | c115484 | 2015-03-17 09:04:16 -0700 | [diff] [blame] | 3142 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); |
Marcel Holtmann | cb8d659 | 2014-07-02 11:25:25 +0200 | [diff] [blame] | 3143 | } |
Tedd Ho-Jeong An | dffd30e | 2013-04-19 09:57:43 -0700 | [diff] [blame] | 3144 | |
Marcel Holtmann | cda0dd7 | 2015-01-26 21:33:48 -0800 | [diff] [blame] | 3145 | if (id->driver_info & BTUSB_INTEL_NEW) { |
| 3146 | hdev->send = btusb_send_frame_intel; |
| 3147 | hdev->setup = btusb_setup_intel_new; |
Marcel Holtmann | 385a768 | 2015-01-28 11:09:56 -0800 | [diff] [blame] | 3148 | hdev->hw_error = btusb_hw_error_intel; |
Marcel Holtmann | 4185a0f | 2015-04-06 00:52:12 -0700 | [diff] [blame] | 3149 | hdev->set_bdaddr = btintel_set_bdaddr; |
Marcel Holtmann | b970c5b | 2015-02-01 23:57:18 -0800 | [diff] [blame] | 3150 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
Marcel Holtmann | cda0dd7 | 2015-01-26 21:33:48 -0800 | [diff] [blame] | 3151 | } |
| 3152 | |
Amitkumar Karwar | ae8df49 | 2014-07-18 14:47:06 -0700 | [diff] [blame] | 3153 | if (id->driver_info & BTUSB_MARVELL) |
| 3154 | hdev->set_bdaddr = btusb_set_bdaddr_marvell; |
| 3155 | |
Marcel Holtmann | 661cf88 | 2015-01-02 23:35:20 -0800 | [diff] [blame] | 3156 | if (id->driver_info & BTUSB_SWAVE) { |
| 3157 | set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks); |
Marcel Holtmann | d57dbe7 | 2014-12-26 04:42:33 +0100 | [diff] [blame] | 3158 | set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks); |
Marcel Holtmann | 661cf88 | 2015-01-02 23:35:20 -0800 | [diff] [blame] | 3159 | } |
Marcel Holtmann | d57dbe7 | 2014-12-26 04:42:33 +0100 | [diff] [blame] | 3160 | |
Marcel Holtmann | 40df783 | 2014-07-06 13:29:58 +0200 | [diff] [blame] | 3161 | if (id->driver_info & BTUSB_INTEL_BOOT) |
| 3162 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); |
| 3163 | |
Jakub Pawlowski | 79f0c87 | 2015-01-29 10:38:34 -0800 | [diff] [blame] | 3164 | if (id->driver_info & BTUSB_ATH3012) { |
Toshi Kikuchi | 5859223 | 2014-12-12 10:58:05 -0800 | [diff] [blame] | 3165 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; |
Jakub Pawlowski | 3d50d51 | 2015-03-17 09:04:15 -0700 | [diff] [blame] | 3166 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); |
Jakub Pawlowski | 79f0c87 | 2015-01-29 10:38:34 -0800 | [diff] [blame] | 3167 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
| 3168 | } |
Toshi Kikuchi | 5859223 | 2014-12-12 10:58:05 -0800 | [diff] [blame] | 3169 | |
Kim, Ben Young Tae | 3267c88 | 2015-02-15 23:07:33 +0000 | [diff] [blame] | 3170 | if (id->driver_info & BTUSB_QCA_ROME) { |
| 3171 | data->setup_on_usb = btusb_setup_qca; |
| 3172 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; |
| 3173 | } |
| 3174 | |
Daniel Drake | a2698a9 | 2015-04-16 14:09:55 -0600 | [diff] [blame] | 3175 | if (id->driver_info & BTUSB_REALTEK) |
| 3176 | hdev->setup = btusb_setup_realtek; |
| 3177 | |
Marcel Holtmann | 893ba54 | 2015-01-28 20:27:34 -0800 | [diff] [blame] | 3178 | if (id->driver_info & BTUSB_AMP) { |
| 3179 | /* AMP controllers do not support SCO packets */ |
| 3180 | data->isoc = NULL; |
| 3181 | } else { |
| 3182 | /* Interface numbers are hardcoded in the specification */ |
| 3183 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
| 3184 | } |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 3185 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 3186 | if (!reset) |
Szymon Janc | a6c511c | 2012-05-23 12:35:46 +0200 | [diff] [blame] | 3187 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 3188 | |
| 3189 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { |
| 3190 | if (!disable_scofix) |
| 3191 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); |
| 3192 | } |
| 3193 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 3194 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
| 3195 | data->isoc = NULL; |
| 3196 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 3197 | if (id->driver_info & BTUSB_DIGIANSWER) { |
| 3198 | data->cmdreq_type = USB_TYPE_VENDOR; |
Szymon Janc | a6c511c | 2012-05-23 12:35:46 +0200 | [diff] [blame] | 3199 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 3200 | } |
| 3201 | |
| 3202 | if (id->driver_info & BTUSB_CSR) { |
| 3203 | struct usb_device *udev = data->udev; |
Marcel Holtmann | 81cac64 | 2014-01-03 03:02:36 -0800 | [diff] [blame] | 3204 | u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 3205 | |
| 3206 | /* Old firmware would otherwise execute USB reset */ |
Marcel Holtmann | 81cac64 | 2014-01-03 03:02:36 -0800 | [diff] [blame] | 3207 | if (bcdDevice < 0x117) |
Szymon Janc | a6c511c | 2012-05-23 12:35:46 +0200 | [diff] [blame] | 3208 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
Marcel Holtmann | 81cac64 | 2014-01-03 03:02:36 -0800 | [diff] [blame] | 3209 | |
| 3210 | /* Fake CSR devices with broken commands */ |
| 3211 | if (bcdDevice <= 0x100) |
| 3212 | hdev->setup = btusb_setup_csr; |
Jakub Pawlowski | 49c989a | 2015-03-17 09:04:17 -0700 | [diff] [blame] | 3213 | |
| 3214 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 3215 | } |
| 3216 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 3217 | if (id->driver_info & BTUSB_SNIFFER) { |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 3218 | struct usb_device *udev = data->udev; |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 3219 | |
Marcel Holtmann | 7a9d402 | 2008-11-30 12:17:26 +0100 | [diff] [blame] | 3220 | /* New sniffer firmware has crippled HCI interface */ |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 3221 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
| 3222 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); |
| 3223 | } |
| 3224 | |
Marcel Holtmann | 3a5ef20 | 2014-07-06 14:53:54 +0200 | [diff] [blame] | 3225 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
| 3226 | /* A bug in the bootloader causes that interrupt interface is |
| 3227 | * only enabled after receiving SetInterface(0, AltSetting=0). |
| 3228 | */ |
| 3229 | err = usb_set_interface(data->udev, 0, 0); |
| 3230 | if (err < 0) { |
| 3231 | BT_ERR("failed to set interface 0, alt 0 %d", err); |
| 3232 | hci_free_dev(hdev); |
| 3233 | return err; |
| 3234 | } |
| 3235 | } |
| 3236 | |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 3237 | if (data->isoc) { |
| 3238 | err = usb_driver_claim_interface(&btusb_driver, |
Marcel Holtmann | 89e7533 | 2014-09-16 04:44:50 +0200 | [diff] [blame] | 3239 | data->isoc, data); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 3240 | if (err < 0) { |
| 3241 | hci_free_dev(hdev); |
Marcel Holtmann | 9bfa35f | 2008-08-18 13:23:52 +0200 | [diff] [blame] | 3242 | return err; |
| 3243 | } |
| 3244 | } |
| 3245 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3246 | err = hci_register_dev(hdev); |
| 3247 | if (err < 0) { |
| 3248 | hci_free_dev(hdev); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3249 | return err; |
| 3250 | } |
| 3251 | |
| 3252 | usb_set_intfdata(intf, data); |
| 3253 | |
| 3254 | return 0; |
| 3255 | } |
| 3256 | |
| 3257 | static void btusb_disconnect(struct usb_interface *intf) |
| 3258 | { |
| 3259 | struct btusb_data *data = usb_get_intfdata(intf); |
| 3260 | struct hci_dev *hdev; |
| 3261 | |
| 3262 | BT_DBG("intf %p", intf); |
| 3263 | |
| 3264 | if (!data) |
| 3265 | return; |
| 3266 | |
| 3267 | hdev = data->hdev; |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 3268 | usb_set_intfdata(data->intf, NULL); |
| 3269 | |
| 3270 | if (data->isoc) |
| 3271 | usb_set_intfdata(data->isoc, NULL); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3272 | |
| 3273 | hci_unregister_dev(hdev); |
| 3274 | |
Marcel Holtmann | 5fbcd26 | 2008-09-23 00:16:36 +0200 | [diff] [blame] | 3275 | if (intf == data->isoc) |
| 3276 | usb_driver_release_interface(&btusb_driver, data->intf); |
| 3277 | else if (data->isoc) |
| 3278 | usb_driver_release_interface(&btusb_driver, data->isoc); |
| 3279 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3280 | hci_free_dev(hdev); |
| 3281 | } |
| 3282 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 3283 | #ifdef CONFIG_PM |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 3284 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
| 3285 | { |
| 3286 | struct btusb_data *data = usb_get_intfdata(intf); |
| 3287 | |
| 3288 | BT_DBG("intf %p", intf); |
| 3289 | |
| 3290 | if (data->suspend_count++) |
| 3291 | return 0; |
| 3292 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 3293 | spin_lock_irq(&data->txlock); |
Alan Stern | 5b1b0b8 | 2011-08-19 23:49:48 +0200 | [diff] [blame] | 3294 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 3295 | set_bit(BTUSB_SUSPENDING, &data->flags); |
| 3296 | spin_unlock_irq(&data->txlock); |
| 3297 | } else { |
| 3298 | spin_unlock_irq(&data->txlock); |
| 3299 | data->suspend_count--; |
| 3300 | return -EBUSY; |
| 3301 | } |
| 3302 | |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 3303 | cancel_work_sync(&data->work); |
| 3304 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 3305 | btusb_stop_traffic(data); |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 3306 | usb_kill_anchored_urbs(&data->tx_anchor); |
| 3307 | |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 3308 | return 0; |
| 3309 | } |
| 3310 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 3311 | static void play_deferred(struct btusb_data *data) |
| 3312 | { |
| 3313 | struct urb *urb; |
| 3314 | int err; |
| 3315 | |
| 3316 | while ((urb = usb_get_from_anchor(&data->deferred))) { |
| 3317 | err = usb_submit_urb(urb, GFP_ATOMIC); |
| 3318 | if (err < 0) |
| 3319 | break; |
| 3320 | |
| 3321 | data->tx_in_flight++; |
| 3322 | } |
| 3323 | usb_scuttle_anchored_urbs(&data->deferred); |
| 3324 | } |
| 3325 | |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 3326 | static int btusb_resume(struct usb_interface *intf) |
| 3327 | { |
| 3328 | struct btusb_data *data = usb_get_intfdata(intf); |
| 3329 | struct hci_dev *hdev = data->hdev; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 3330 | int err = 0; |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 3331 | |
| 3332 | BT_DBG("intf %p", intf); |
| 3333 | |
| 3334 | if (--data->suspend_count) |
| 3335 | return 0; |
| 3336 | |
| 3337 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 3338 | goto done; |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 3339 | |
| 3340 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { |
| 3341 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); |
| 3342 | if (err < 0) { |
| 3343 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 3344 | goto failed; |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 3345 | } |
| 3346 | } |
| 3347 | |
| 3348 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { |
Marcel Holtmann | 43c2e57 | 2009-02-04 17:41:38 +0100 | [diff] [blame] | 3349 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
| 3350 | if (err < 0) { |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 3351 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 3352 | goto failed; |
| 3353 | } |
| 3354 | |
| 3355 | btusb_submit_bulk_urb(hdev, GFP_NOIO); |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 3356 | } |
| 3357 | |
| 3358 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { |
| 3359 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) |
| 3360 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
| 3361 | else |
| 3362 | btusb_submit_isoc_urb(hdev, GFP_NOIO); |
| 3363 | } |
| 3364 | |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 3365 | spin_lock_irq(&data->txlock); |
| 3366 | play_deferred(data); |
| 3367 | clear_bit(BTUSB_SUSPENDING, &data->flags); |
| 3368 | spin_unlock_irq(&data->txlock); |
| 3369 | schedule_work(&data->work); |
| 3370 | |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 3371 | return 0; |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 3372 | |
| 3373 | failed: |
| 3374 | usb_scuttle_anchored_urbs(&data->deferred); |
| 3375 | done: |
| 3376 | spin_lock_irq(&data->txlock); |
| 3377 | clear_bit(BTUSB_SUSPENDING, &data->flags); |
| 3378 | spin_unlock_irq(&data->txlock); |
| 3379 | |
| 3380 | return err; |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 3381 | } |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 3382 | #endif |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 3383 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3384 | static struct usb_driver btusb_driver = { |
| 3385 | .name = "btusb", |
| 3386 | .probe = btusb_probe, |
| 3387 | .disconnect = btusb_disconnect, |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 3388 | #ifdef CONFIG_PM |
Marcel Holtmann | 6a88adf | 2008-11-30 12:17:14 +0100 | [diff] [blame] | 3389 | .suspend = btusb_suspend, |
| 3390 | .resume = btusb_resume, |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 3391 | #endif |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3392 | .id_table = btusb_table, |
Oliver Neukum | 7bee549 | 2009-08-24 23:44:59 +0200 | [diff] [blame] | 3393 | .supports_autosuspend = 1, |
Sarah Sharp | e1f12eb | 2012-04-23 10:08:51 -0700 | [diff] [blame] | 3394 | .disable_hub_initiated_lpm = 1, |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3395 | }; |
| 3396 | |
Greg Kroah-Hartman | 93f1508 | 2011-11-18 09:47:34 -0800 | [diff] [blame] | 3397 | module_usb_driver(btusb_driver); |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3398 | |
Marcel Holtmann | cfeb414 | 2008-08-07 22:26:56 +0200 | [diff] [blame] | 3399 | module_param(disable_scofix, bool, 0644); |
| 3400 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); |
| 3401 | |
| 3402 | module_param(force_scofix, bool, 0644); |
| 3403 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); |
| 3404 | |
| 3405 | module_param(reset, bool, 0644); |
| 3406 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); |
| 3407 | |
Marcel Holtmann | 5e23b92 | 2007-10-20 14:12:34 +0200 | [diff] [blame] | 3408 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
| 3409 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); |
| 3410 | MODULE_VERSION(VERSION); |
| 3411 | MODULE_LICENSE("GPL"); |