1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * 4 * Generic Bluetooth USB driver 5 * 6 * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> 7 */ 8 9 #include <linux/dmi.h> 10 #include <linux/module.h> 11 #include <linux/usb.h> 12 #include <linux/usb/quirks.h> 13 #include <linux/firmware.h> 14 #include <linux/iopoll.h> 15 #include <linux/of_device.h> 16 #include <linux/of_irq.h> 17 #include <linux/suspend.h> 18 #include <linux/gpio/consumer.h> 19 #include <linux/debugfs.h> 20 #include <linux/unaligned.h> 21 22 #include <net/bluetooth/bluetooth.h> 23 #include <net/bluetooth/hci_core.h> 24 25 #include "btintel.h" 26 #include "btbcm.h" 27 #include "btrtl.h" 28 #include "btmtk.h" 29 30 #define VERSION "0.8" 31 32 static bool disable_scofix; 33 static bool force_scofix; 34 static bool enable_autosuspend = IS_ENABLED(CONFIG_BT_HCIBTUSB_AUTOSUSPEND); 35 static bool enable_poll_sync = IS_ENABLED(CONFIG_BT_HCIBTUSB_POLL_SYNC); 36 static bool reset = true; 37 38 static struct usb_driver btusb_driver; 39 40 #define BTUSB_IGNORE BIT(0) 41 #define BTUSB_DIGIANSWER BIT(1) 42 #define BTUSB_CSR BIT(2) 43 #define BTUSB_SNIFFER BIT(3) 44 #define BTUSB_BCM92035 BIT(4) 45 #define BTUSB_BROKEN_ISOC BIT(5) 46 #define BTUSB_WRONG_SCO_MTU BIT(6) 47 #define BTUSB_ATH3012 BIT(7) 48 #define BTUSB_INTEL_COMBINED BIT(8) 49 #define BTUSB_INTEL_BOOT BIT(9) 50 #define BTUSB_BCM_PATCHRAM BIT(10) 51 #define BTUSB_MARVELL BIT(11) 52 #define BTUSB_SWAVE BIT(12) 53 #define BTUSB_AMP BIT(13) 54 #define BTUSB_QCA_ROME BIT(14) 55 #define BTUSB_BCM_APPLE BIT(15) 56 #define BTUSB_REALTEK BIT(16) 57 #define BTUSB_BCM2045 BIT(17) 58 #define BTUSB_IFNUM_2 BIT(18) 59 #define BTUSB_CW6622 BIT(19) 60 #define BTUSB_MEDIATEK BIT(20) 61 #define BTUSB_WIDEBAND_SPEECH BIT(21) 62 #define BTUSB_INVALID_LE_STATES BIT(22) 63 #define BTUSB_QCA_WCN6855 BIT(23) 64 #define BTUSB_INTEL_BROKEN_SHUTDOWN_LED BIT(24) 65 #define BTUSB_INTEL_BROKEN_INITIAL_NCMD BIT(25) 66 #define BTUSB_INTEL_NO_WBS_SUPPORT BIT(26) 67 #define BTUSB_ACTIONS_SEMI BIT(27) 68 69 static const struct usb_device_id btusb_table[] = { 70 /* Generic Bluetooth USB device */ 71 { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, 72 73 /* Generic Bluetooth AMP device */ 74 { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP }, 75 76 /* Generic Bluetooth USB interface */ 77 { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) }, 78 79 /* Apple-specific (Broadcom) devices */ 80 { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01), 81 .driver_info = BTUSB_BCM_APPLE | BTUSB_IFNUM_2 }, 82 83 /* MediaTek MT76x0E */ 84 { USB_DEVICE(0x0e8d, 0x763f) }, 85 86 /* Broadcom SoftSailing reporting vendor specific */ 87 { USB_DEVICE(0x0a5c, 0x21e1) }, 88 89 /* Apple MacBookPro 7,1 */ 90 { USB_DEVICE(0x05ac, 0x8213) }, 91 92 /* Apple iMac11,1 */ 93 { USB_DEVICE(0x05ac, 0x8215) }, 94 95 /* Apple MacBookPro6,2 */ 96 { USB_DEVICE(0x05ac, 0x8218) }, 97 98 /* Apple MacBookAir3,1, MacBookAir3,2 */ 99 { USB_DEVICE(0x05ac, 0x821b) }, 100 101 /* Apple MacBookAir4,1 */ 102 { USB_DEVICE(0x05ac, 0x821f) }, 103 104 /* Apple MacBookPro8,2 */ 105 { USB_DEVICE(0x05ac, 0x821a) }, 106 107 /* Apple MacMini5,1 */ 108 { USB_DEVICE(0x05ac, 0x8281) }, 109 110 /* AVM BlueFRITZ! USB v2.0 */ 111 { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE }, 112 113 /* Bluetooth Ultraport Module from IBM */ 114 { USB_DEVICE(0x04bf, 0x030a) }, 115 116 /* ALPS Modules with non-standard id */ 117 { USB_DEVICE(0x044e, 0x3001) }, 118 { USB_DEVICE(0x044e, 0x3002) }, 119 120 /* Ericsson with non-standard id */ 121 { USB_DEVICE(0x0bdb, 0x1002) }, 122 123 /* Canyon CN-BTU1 with HID interfaces */ 124 { USB_DEVICE(0x0c10, 0x0000) }, 125 126 /* Broadcom BCM20702B0 (Dynex/Insignia) */ 127 { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM }, 128 129 /* Broadcom BCM43142A0 (Foxconn/Lenovo) */ 130 { USB_VENDOR_AND_INTERFACE_INFO(0x105b, 0xff, 0x01, 0x01), 131 .driver_info = BTUSB_BCM_PATCHRAM }, 132 133 /* Broadcom BCM920703 (HTC Vive) */ 134 { USB_VENDOR_AND_INTERFACE_INFO(0x0bb4, 0xff, 0x01, 0x01), 135 .driver_info = BTUSB_BCM_PATCHRAM }, 136 137 /* Foxconn - Hon Hai */ 138 { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01), 139 .driver_info = BTUSB_BCM_PATCHRAM }, 140 141 /* Lite-On Technology - Broadcom based */ 142 { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01), 143 .driver_info = BTUSB_BCM_PATCHRAM }, 144 145 /* Broadcom devices with vendor specific id */ 146 { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01), 147 .driver_info = BTUSB_BCM_PATCHRAM }, 148 149 /* ASUSTek Computer - Broadcom based */ 150 { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01), 151 .driver_info = BTUSB_BCM_PATCHRAM }, 152 153 /* Belkin F8065bf - Broadcom based */ 154 { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01), 155 .driver_info = BTUSB_BCM_PATCHRAM }, 156 157 /* IMC Networks - Broadcom based */ 158 { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01), 159 .driver_info = BTUSB_BCM_PATCHRAM }, 160 161 /* Dell Computer - Broadcom based */ 162 { USB_VENDOR_AND_INTERFACE_INFO(0x413c, 0xff, 0x01, 0x01), 163 .driver_info = BTUSB_BCM_PATCHRAM }, 164 165 /* Toshiba Corp - Broadcom based */ 166 { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01), 167 .driver_info = BTUSB_BCM_PATCHRAM }, 168 169 /* Intel Bluetooth USB Bootloader (RAM module) */ 170 { USB_DEVICE(0x8087, 0x0a5a), 171 .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC }, 172 173 { } /* Terminating entry */ 174 }; 175 176 MODULE_DEVICE_TABLE(usb, btusb_table); 177 178 static const struct usb_device_id quirks_table[] = { 179 /* CSR BlueCore devices */ 180 { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, 181 182 /* Broadcom BCM2033 without firmware */ 183 { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, 184 185 /* Broadcom BCM2045 devices */ 186 { USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 }, 187 188 /* Atheros 3011 with sflash firmware */ 189 { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, 190 { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, 191 { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE }, 192 { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, 193 { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, 194 { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, 195 { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, 196 197 /* Atheros AR9285 Malbec with sflash firmware */ 198 { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, 199 200 /* Atheros 3012 with sflash firmware */ 201 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, 202 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, 203 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, 204 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, 205 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, 206 { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 }, 207 { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, 208 { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 }, 209 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, 210 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, 211 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, 212 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, 213 { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, 214 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, 215 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, 216 { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 }, 217 { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 }, 218 { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 }, 219 { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 }, 220 { USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 }, 221 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, 222 { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 }, 223 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, 224 { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, 225 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, 226 { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, 227 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, 228 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, 229 { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, 230 { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, 231 { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, 232 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, 233 { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, 234 { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 }, 235 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, 236 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, 237 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, 238 { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 }, 239 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, 240 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, 241 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, 242 { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 }, 243 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, 244 { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 }, 245 { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 }, 246 { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, 247 { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 }, 248 { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 }, 249 { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 }, 250 { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 }, 251 252 /* Atheros AR5BBU12 with sflash firmware */ 253 { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, 254 255 /* Atheros AR5BBU12 with sflash firmware */ 256 { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, 257 { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, 258 259 /* QCA ROME chipset */ 260 { USB_DEVICE(0x0cf3, 0x535b), .driver_info = BTUSB_QCA_ROME | 261 BTUSB_WIDEBAND_SPEECH }, 262 { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME | 263 BTUSB_WIDEBAND_SPEECH }, 264 { USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME | 265 BTUSB_WIDEBAND_SPEECH }, 266 { USB_DEVICE(0x0cf3, 0xe010), .driver_info = BTUSB_QCA_ROME | 267 BTUSB_WIDEBAND_SPEECH }, 268 { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME | 269 BTUSB_WIDEBAND_SPEECH }, 270 { USB_DEVICE(0x0cf3, 0xe301), .driver_info = BTUSB_QCA_ROME | 271 BTUSB_WIDEBAND_SPEECH }, 272 { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME | 273 BTUSB_WIDEBAND_SPEECH }, 274 { USB_DEVICE(0x0cf3, 0xe500), .driver_info = BTUSB_QCA_ROME | 275 BTUSB_WIDEBAND_SPEECH }, 276 { USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME | 277 BTUSB_WIDEBAND_SPEECH }, 278 { USB_DEVICE(0x0489, 0xe09f), .driver_info = BTUSB_QCA_ROME | 279 BTUSB_WIDEBAND_SPEECH }, 280 { USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME | 281 BTUSB_WIDEBAND_SPEECH }, 282 { USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME | 283 BTUSB_WIDEBAND_SPEECH }, 284 { USB_DEVICE(0x04ca, 0x3015), .driver_info = BTUSB_QCA_ROME | 285 BTUSB_WIDEBAND_SPEECH }, 286 { USB_DEVICE(0x04ca, 0x3016), .driver_info = BTUSB_QCA_ROME | 287 BTUSB_WIDEBAND_SPEECH }, 288 { USB_DEVICE(0x04ca, 0x301a), .driver_info = BTUSB_QCA_ROME | 289 BTUSB_WIDEBAND_SPEECH }, 290 { USB_DEVICE(0x04ca, 0x3021), .driver_info = BTUSB_QCA_ROME | 291 BTUSB_WIDEBAND_SPEECH }, 292 { USB_DEVICE(0x13d3, 0x3491), .driver_info = BTUSB_QCA_ROME | 293 BTUSB_WIDEBAND_SPEECH }, 294 { USB_DEVICE(0x13d3, 0x3496), .driver_info = BTUSB_QCA_ROME | 295 BTUSB_WIDEBAND_SPEECH }, 296 { USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME | 297 BTUSB_WIDEBAND_SPEECH }, 298 299 /* QCA WCN6855 chipset */ 300 { USB_DEVICE(0x0cf3, 0xe600), .driver_info = BTUSB_QCA_WCN6855 | 301 BTUSB_WIDEBAND_SPEECH }, 302 { USB_DEVICE(0x0489, 0xe0cc), .driver_info = BTUSB_QCA_WCN6855 | 303 BTUSB_WIDEBAND_SPEECH }, 304 { USB_DEVICE(0x0489, 0xe0d6), .driver_info = BTUSB_QCA_WCN6855 | 305 BTUSB_WIDEBAND_SPEECH }, 306 { USB_DEVICE(0x0489, 0xe0e3), .driver_info = BTUSB_QCA_WCN6855 | 307 BTUSB_WIDEBAND_SPEECH }, 308 { USB_DEVICE(0x10ab, 0x9309), .driver_info = BTUSB_QCA_WCN6855 | 309 BTUSB_WIDEBAND_SPEECH }, 310 { USB_DEVICE(0x10ab, 0x9409), .driver_info = BTUSB_QCA_WCN6855 | 311 BTUSB_WIDEBAND_SPEECH }, 312 { USB_DEVICE(0x0489, 0xe0d0), .driver_info = BTUSB_QCA_WCN6855 | 313 BTUSB_WIDEBAND_SPEECH }, 314 { USB_DEVICE(0x10ab, 0x9108), .driver_info = BTUSB_QCA_WCN6855 | 315 BTUSB_WIDEBAND_SPEECH }, 316 { USB_DEVICE(0x10ab, 0x9109), .driver_info = BTUSB_QCA_WCN6855 | 317 BTUSB_WIDEBAND_SPEECH }, 318 { USB_DEVICE(0x10ab, 0x9208), .driver_info = BTUSB_QCA_WCN6855 | 319 BTUSB_WIDEBAND_SPEECH }, 320 { USB_DEVICE(0x10ab, 0x9209), .driver_info = BTUSB_QCA_WCN6855 | 321 BTUSB_WIDEBAND_SPEECH }, 322 { USB_DEVICE(0x10ab, 0x9308), .driver_info = BTUSB_QCA_WCN6855 | 323 BTUSB_WIDEBAND_SPEECH }, 324 { USB_DEVICE(0x10ab, 0x9408), .driver_info = BTUSB_QCA_WCN6855 | 325 BTUSB_WIDEBAND_SPEECH }, 326 { USB_DEVICE(0x10ab, 0x9508), .driver_info = BTUSB_QCA_WCN6855 | 327 BTUSB_WIDEBAND_SPEECH }, 328 { USB_DEVICE(0x10ab, 0x9509), .driver_info = BTUSB_QCA_WCN6855 | 329 BTUSB_WIDEBAND_SPEECH }, 330 { USB_DEVICE(0x10ab, 0x9608), .driver_info = BTUSB_QCA_WCN6855 | 331 BTUSB_WIDEBAND_SPEECH }, 332 { USB_DEVICE(0x10ab, 0x9609), .driver_info = BTUSB_QCA_WCN6855 | 333 BTUSB_WIDEBAND_SPEECH }, 334 { USB_DEVICE(0x10ab, 0x9f09), .driver_info = BTUSB_QCA_WCN6855 | 335 BTUSB_WIDEBAND_SPEECH }, 336 { USB_DEVICE(0x04ca, 0x3022), .driver_info = BTUSB_QCA_WCN6855 | 337 BTUSB_WIDEBAND_SPEECH }, 338 { USB_DEVICE(0x0489, 0xe0c7), .driver_info = BTUSB_QCA_WCN6855 | 339 BTUSB_WIDEBAND_SPEECH }, 340 { USB_DEVICE(0x0489, 0xe0c9), .driver_info = BTUSB_QCA_WCN6855 | 341 BTUSB_WIDEBAND_SPEECH }, 342 { USB_DEVICE(0x0489, 0xe0ca), .driver_info = BTUSB_QCA_WCN6855 | 343 BTUSB_WIDEBAND_SPEECH }, 344 { USB_DEVICE(0x0489, 0xe0cb), .driver_info = BTUSB_QCA_WCN6855 | 345 BTUSB_WIDEBAND_SPEECH }, 346 { USB_DEVICE(0x0489, 0xe0ce), .driver_info = BTUSB_QCA_WCN6855 | 347 BTUSB_WIDEBAND_SPEECH }, 348 { USB_DEVICE(0x0489, 0xe0de), .driver_info = BTUSB_QCA_WCN6855 | 349 BTUSB_WIDEBAND_SPEECH }, 350 { USB_DEVICE(0x0489, 0xe0df), .driver_info = BTUSB_QCA_WCN6855 | 351 BTUSB_WIDEBAND_SPEECH }, 352 { USB_DEVICE(0x0489, 0xe0e1), .driver_info = BTUSB_QCA_WCN6855 | 353 BTUSB_WIDEBAND_SPEECH }, 354 { USB_DEVICE(0x0489, 0xe0ea), .driver_info = BTUSB_QCA_WCN6855 | 355 BTUSB_WIDEBAND_SPEECH }, 356 { USB_DEVICE(0x0489, 0xe0ec), .driver_info = BTUSB_QCA_WCN6855 | 357 BTUSB_WIDEBAND_SPEECH }, 358 { USB_DEVICE(0x04ca, 0x3023), .driver_info = BTUSB_QCA_WCN6855 | 359 BTUSB_WIDEBAND_SPEECH }, 360 { USB_DEVICE(0x04ca, 0x3024), .driver_info = BTUSB_QCA_WCN6855 | 361 BTUSB_WIDEBAND_SPEECH }, 362 { USB_DEVICE(0x04ca, 0x3a22), .driver_info = BTUSB_QCA_WCN6855 | 363 BTUSB_WIDEBAND_SPEECH }, 364 { USB_DEVICE(0x04ca, 0x3a24), .driver_info = BTUSB_QCA_WCN6855 | 365 BTUSB_WIDEBAND_SPEECH }, 366 { USB_DEVICE(0x04ca, 0x3a26), .driver_info = BTUSB_QCA_WCN6855 | 367 BTUSB_WIDEBAND_SPEECH }, 368 { USB_DEVICE(0x04ca, 0x3a27), .driver_info = BTUSB_QCA_WCN6855 | 369 BTUSB_WIDEBAND_SPEECH }, 370 371 /* QCA WCN785x chipset */ 372 { USB_DEVICE(0x0cf3, 0xe700), .driver_info = BTUSB_QCA_WCN6855 | 373 BTUSB_WIDEBAND_SPEECH }, 374 { USB_DEVICE(0x0489, 0xe0fc), .driver_info = BTUSB_QCA_WCN6855 | 375 BTUSB_WIDEBAND_SPEECH }, 376 { USB_DEVICE(0x0489, 0xe0f3), .driver_info = BTUSB_QCA_WCN6855 | 377 BTUSB_WIDEBAND_SPEECH }, 378 { USB_DEVICE(0x13d3, 0x3623), .driver_info = BTUSB_QCA_WCN6855 | 379 BTUSB_WIDEBAND_SPEECH }, 380 381 /* Broadcom BCM2035 */ 382 { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, 383 { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, 384 { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, 385 386 /* Broadcom BCM2045 */ 387 { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, 388 { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, 389 390 /* IBM/Lenovo ThinkPad with Broadcom chip */ 391 { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, 392 { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, 393 394 /* HP laptop with Broadcom chip */ 395 { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, 396 397 /* Dell laptop with Broadcom chip */ 398 { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, 399 400 /* Dell Wireless 370 and 410 devices */ 401 { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, 402 { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, 403 404 /* Belkin F8T012 and F8T013 devices */ 405 { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, 406 { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, 407 408 /* Asus WL-BTD202 device */ 409 { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, 410 411 /* Kensington Bluetooth USB adapter */ 412 { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, 413 414 /* RTX Telecom based adapters with buggy SCO support */ 415 { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, 416 { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, 417 418 /* CONWISE Technology based adapters with buggy SCO support */ 419 { USB_DEVICE(0x0e5e, 0x6622), 420 .driver_info = BTUSB_BROKEN_ISOC | BTUSB_CW6622}, 421 422 /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */ 423 { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE }, 424 425 /* Digianswer devices */ 426 { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, 427 { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, 428 429 /* CSR BlueCore Bluetooth Sniffer */ 430 { USB_DEVICE(0x0a12, 0x0002), 431 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, 432 433 /* Frontline ComProbe Bluetooth Sniffer */ 434 { USB_DEVICE(0x16d3, 0x0002), 435 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, 436 437 /* Marvell Bluetooth devices */ 438 { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL }, 439 { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL }, 440 { USB_DEVICE(0x1286, 0x204e), .driver_info = BTUSB_MARVELL }, 441 442 /* Intel Bluetooth devices */ 443 { USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_COMBINED }, 444 { USB_DEVICE(0x8087, 0x0026), .driver_info = BTUSB_INTEL_COMBINED }, 445 { USB_DEVICE(0x8087, 0x0029), .driver_info = BTUSB_INTEL_COMBINED }, 446 { USB_DEVICE(0x8087, 0x0032), .driver_info = BTUSB_INTEL_COMBINED }, 447 { USB_DEVICE(0x8087, 0x0033), .driver_info = BTUSB_INTEL_COMBINED }, 448 { USB_DEVICE(0x8087, 0x0035), .driver_info = BTUSB_INTEL_COMBINED }, 449 { USB_DEVICE(0x8087, 0x0036), .driver_info = BTUSB_INTEL_COMBINED }, 450 { USB_DEVICE(0x8087, 0x0037), .driver_info = BTUSB_INTEL_COMBINED }, 451 { USB_DEVICE(0x8087, 0x0038), .driver_info = BTUSB_INTEL_COMBINED }, 452 { USB_DEVICE(0x8087, 0x0039), .driver_info = BTUSB_INTEL_COMBINED }, 453 { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR }, 454 { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL_COMBINED | 455 BTUSB_INTEL_NO_WBS_SUPPORT | 456 BTUSB_INTEL_BROKEN_INITIAL_NCMD | 457 BTUSB_INTEL_BROKEN_SHUTDOWN_LED }, 458 { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL_COMBINED | 459 BTUSB_INTEL_NO_WBS_SUPPORT | 460 BTUSB_INTEL_BROKEN_SHUTDOWN_LED }, 461 { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_COMBINED }, 462 { USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL_COMBINED | 463 BTUSB_INTEL_BROKEN_SHUTDOWN_LED }, 464 { USB_DEVICE(0x8087, 0x0aaa), .driver_info = BTUSB_INTEL_COMBINED }, 465 466 /* Other Intel Bluetooth devices */ 467 { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01), 468 .driver_info = BTUSB_IGNORE }, 469 470 /* Realtek 8821CE Bluetooth devices */ 471 { USB_DEVICE(0x13d3, 0x3529), .driver_info = BTUSB_REALTEK | 472 BTUSB_WIDEBAND_SPEECH }, 473 474 /* Realtek 8822CE Bluetooth devices */ 475 { USB_DEVICE(0x0bda, 0xb00c), .driver_info = BTUSB_REALTEK | 476 BTUSB_WIDEBAND_SPEECH }, 477 { USB_DEVICE(0x0bda, 0xc822), .driver_info = BTUSB_REALTEK | 478 BTUSB_WIDEBAND_SPEECH }, 479 480 /* Realtek 8822CU Bluetooth devices */ 481 { USB_DEVICE(0x13d3, 0x3549), .driver_info = BTUSB_REALTEK | 482 BTUSB_WIDEBAND_SPEECH }, 483 484 /* Realtek 8852AE Bluetooth devices */ 485 { USB_DEVICE(0x0bda, 0x2852), .driver_info = BTUSB_REALTEK | 486 BTUSB_WIDEBAND_SPEECH }, 487 { USB_DEVICE(0x0bda, 0xc852), .driver_info = BTUSB_REALTEK | 488 BTUSB_WIDEBAND_SPEECH }, 489 { USB_DEVICE(0x0bda, 0x385a), .driver_info = BTUSB_REALTEK | 490 BTUSB_WIDEBAND_SPEECH }, 491 { USB_DEVICE(0x0bda, 0x4852), .driver_info = BTUSB_REALTEK | 492 BTUSB_WIDEBAND_SPEECH }, 493 { USB_DEVICE(0x04c5, 0x165c), .driver_info = BTUSB_REALTEK | 494 BTUSB_WIDEBAND_SPEECH }, 495 { USB_DEVICE(0x04ca, 0x4006), .driver_info = BTUSB_REALTEK | 496 BTUSB_WIDEBAND_SPEECH }, 497 { USB_DEVICE(0x0cb8, 0xc549), .driver_info = BTUSB_REALTEK | 498 BTUSB_WIDEBAND_SPEECH }, 499 500 /* Realtek 8852CE Bluetooth devices */ 501 { USB_DEVICE(0x04ca, 0x4007), .driver_info = BTUSB_REALTEK | 502 BTUSB_WIDEBAND_SPEECH }, 503 { USB_DEVICE(0x04c5, 0x1675), .driver_info = BTUSB_REALTEK | 504 BTUSB_WIDEBAND_SPEECH }, 505 { USB_DEVICE(0x0cb8, 0xc558), .driver_info = BTUSB_REALTEK | 506 BTUSB_WIDEBAND_SPEECH }, 507 { USB_DEVICE(0x13d3, 0x3587), .driver_info = BTUSB_REALTEK | 508 BTUSB_WIDEBAND_SPEECH }, 509 { USB_DEVICE(0x13d3, 0x3586), .driver_info = BTUSB_REALTEK | 510 BTUSB_WIDEBAND_SPEECH }, 511 { USB_DEVICE(0x13d3, 0x3592), .driver_info = BTUSB_REALTEK | 512 BTUSB_WIDEBAND_SPEECH }, 513 { USB_DEVICE(0x0489, 0xe122), .driver_info = BTUSB_REALTEK | 514 BTUSB_WIDEBAND_SPEECH }, 515 516 /* Realtek 8852BE Bluetooth devices */ 517 { USB_DEVICE(0x0cb8, 0xc559), .driver_info = BTUSB_REALTEK | 518 BTUSB_WIDEBAND_SPEECH }, 519 { USB_DEVICE(0x0bda, 0x4853), .driver_info = BTUSB_REALTEK | 520 BTUSB_WIDEBAND_SPEECH }, 521 { USB_DEVICE(0x0bda, 0x887b), .driver_info = BTUSB_REALTEK | 522 BTUSB_WIDEBAND_SPEECH }, 523 { USB_DEVICE(0x0bda, 0xb85b), .driver_info = BTUSB_REALTEK | 524 BTUSB_WIDEBAND_SPEECH }, 525 { USB_DEVICE(0x13d3, 0x3570), .driver_info = BTUSB_REALTEK | 526 BTUSB_WIDEBAND_SPEECH }, 527 { USB_DEVICE(0x13d3, 0x3571), .driver_info = BTUSB_REALTEK | 528 BTUSB_WIDEBAND_SPEECH }, 529 { USB_DEVICE(0x13d3, 0x3572), .driver_info = BTUSB_REALTEK | 530 BTUSB_WIDEBAND_SPEECH }, 531 { USB_DEVICE(0x13d3, 0x3591), .driver_info = BTUSB_REALTEK | 532 BTUSB_WIDEBAND_SPEECH }, 533 { USB_DEVICE(0x0489, 0xe123), .driver_info = BTUSB_REALTEK | 534 BTUSB_WIDEBAND_SPEECH }, 535 { USB_DEVICE(0x0489, 0xe125), .driver_info = BTUSB_REALTEK | 536 BTUSB_WIDEBAND_SPEECH }, 537 538 /* Realtek 8852BT/8852BE-VT Bluetooth devices */ 539 { USB_DEVICE(0x0bda, 0x8520), .driver_info = BTUSB_REALTEK | 540 BTUSB_WIDEBAND_SPEECH }, 541 542 /* Realtek 8922AE Bluetooth devices */ 543 { USB_DEVICE(0x0bda, 0x8922), .driver_info = BTUSB_REALTEK | 544 BTUSB_WIDEBAND_SPEECH }, 545 { USB_DEVICE(0x13d3, 0x3617), .driver_info = BTUSB_REALTEK | 546 BTUSB_WIDEBAND_SPEECH }, 547 { USB_DEVICE(0x13d3, 0x3616), .driver_info = BTUSB_REALTEK | 548 BTUSB_WIDEBAND_SPEECH }, 549 { USB_DEVICE(0x0489, 0xe130), .driver_info = BTUSB_REALTEK | 550 BTUSB_WIDEBAND_SPEECH }, 551 552 /* Realtek Bluetooth devices */ 553 { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01), 554 .driver_info = BTUSB_REALTEK }, 555 556 /* MediaTek Bluetooth devices */ 557 { USB_VENDOR_AND_INTERFACE_INFO(0x0e8d, 0xe0, 0x01, 0x01), 558 .driver_info = BTUSB_MEDIATEK | 559 BTUSB_WIDEBAND_SPEECH }, 560 561 /* Additional MediaTek MT7615E Bluetooth devices */ 562 { USB_DEVICE(0x13d3, 0x3560), .driver_info = BTUSB_MEDIATEK}, 563 564 /* Additional MediaTek MT7663 Bluetooth devices */ 565 { USB_DEVICE(0x043e, 0x310c), .driver_info = BTUSB_MEDIATEK | 566 BTUSB_WIDEBAND_SPEECH }, 567 { USB_DEVICE(0x04ca, 0x3801), .driver_info = BTUSB_MEDIATEK | 568 BTUSB_WIDEBAND_SPEECH }, 569 570 /* Additional MediaTek MT7668 Bluetooth devices */ 571 { USB_DEVICE(0x043e, 0x3109), .driver_info = BTUSB_MEDIATEK | 572 BTUSB_WIDEBAND_SPEECH }, 573 574 /* Additional MediaTek MT7920 Bluetooth devices */ 575 { USB_DEVICE(0x0489, 0xe134), .driver_info = BTUSB_MEDIATEK | 576 BTUSB_WIDEBAND_SPEECH }, 577 { USB_DEVICE(0x13d3, 0x3620), .driver_info = BTUSB_MEDIATEK | 578 BTUSB_WIDEBAND_SPEECH }, 579 { USB_DEVICE(0x13d3, 0x3621), .driver_info = BTUSB_MEDIATEK | 580 BTUSB_WIDEBAND_SPEECH }, 581 { USB_DEVICE(0x13d3, 0x3622), .driver_info = BTUSB_MEDIATEK | 582 BTUSB_WIDEBAND_SPEECH }, 583 584 /* Additional MediaTek MT7921 Bluetooth devices */ 585 { USB_DEVICE(0x0489, 0xe0c8), .driver_info = BTUSB_MEDIATEK | 586 BTUSB_WIDEBAND_SPEECH }, 587 { USB_DEVICE(0x0489, 0xe0cd), .driver_info = BTUSB_MEDIATEK | 588 BTUSB_WIDEBAND_SPEECH }, 589 { USB_DEVICE(0x0489, 0xe0e0), .driver_info = BTUSB_MEDIATEK | 590 BTUSB_WIDEBAND_SPEECH }, 591 { USB_DEVICE(0x0489, 0xe0f2), .driver_info = BTUSB_MEDIATEK | 592 BTUSB_WIDEBAND_SPEECH }, 593 { USB_DEVICE(0x04ca, 0x3802), .driver_info = BTUSB_MEDIATEK | 594 BTUSB_WIDEBAND_SPEECH }, 595 { USB_DEVICE(0x0e8d, 0x0608), .driver_info = BTUSB_MEDIATEK | 596 BTUSB_WIDEBAND_SPEECH }, 597 { USB_DEVICE(0x13d3, 0x3563), .driver_info = BTUSB_MEDIATEK | 598 BTUSB_WIDEBAND_SPEECH }, 599 { USB_DEVICE(0x13d3, 0x3564), .driver_info = BTUSB_MEDIATEK | 600 BTUSB_WIDEBAND_SPEECH }, 601 { USB_DEVICE(0x13d3, 0x3567), .driver_info = BTUSB_MEDIATEK | 602 BTUSB_WIDEBAND_SPEECH }, 603 { USB_DEVICE(0x13d3, 0x3578), .driver_info = BTUSB_MEDIATEK | 604 BTUSB_WIDEBAND_SPEECH }, 605 { USB_DEVICE(0x13d3, 0x3583), .driver_info = BTUSB_MEDIATEK | 606 BTUSB_WIDEBAND_SPEECH }, 607 { USB_DEVICE(0x13d3, 0x3606), .driver_info = BTUSB_MEDIATEK | 608 BTUSB_WIDEBAND_SPEECH }, 609 610 /* MediaTek MT7922 Bluetooth devices */ 611 { USB_DEVICE(0x13d3, 0x3585), .driver_info = BTUSB_MEDIATEK | 612 BTUSB_WIDEBAND_SPEECH }, 613 614 /* MediaTek MT7922A Bluetooth devices */ 615 { USB_DEVICE(0x0489, 0xe0d8), .driver_info = BTUSB_MEDIATEK | 616 BTUSB_WIDEBAND_SPEECH }, 617 { USB_DEVICE(0x0489, 0xe0d9), .driver_info = BTUSB_MEDIATEK | 618 BTUSB_WIDEBAND_SPEECH }, 619 { USB_DEVICE(0x0489, 0xe0e2), .driver_info = BTUSB_MEDIATEK | 620 BTUSB_WIDEBAND_SPEECH }, 621 { USB_DEVICE(0x0489, 0xe0e4), .driver_info = BTUSB_MEDIATEK | 622 BTUSB_WIDEBAND_SPEECH }, 623 { USB_DEVICE(0x0489, 0xe0f1), .driver_info = BTUSB_MEDIATEK | 624 BTUSB_WIDEBAND_SPEECH }, 625 { USB_DEVICE(0x0489, 0xe0f2), .driver_info = BTUSB_MEDIATEK | 626 BTUSB_WIDEBAND_SPEECH }, 627 { USB_DEVICE(0x0489, 0xe0f5), .driver_info = BTUSB_MEDIATEK | 628 BTUSB_WIDEBAND_SPEECH }, 629 { USB_DEVICE(0x0489, 0xe0f6), .driver_info = BTUSB_MEDIATEK | 630 BTUSB_WIDEBAND_SPEECH }, 631 { USB_DEVICE(0x0489, 0xe102), .driver_info = BTUSB_MEDIATEK | 632 BTUSB_WIDEBAND_SPEECH }, 633 { USB_DEVICE(0x04ca, 0x3804), .driver_info = BTUSB_MEDIATEK | 634 BTUSB_WIDEBAND_SPEECH }, 635 { USB_DEVICE(0x04ca, 0x38e4), .driver_info = BTUSB_MEDIATEK | 636 BTUSB_WIDEBAND_SPEECH }, 637 { USB_DEVICE(0x13d3, 0x3568), .driver_info = BTUSB_MEDIATEK | 638 BTUSB_WIDEBAND_SPEECH }, 639 { USB_DEVICE(0x13d3, 0x3605), .driver_info = BTUSB_MEDIATEK | 640 BTUSB_WIDEBAND_SPEECH }, 641 { USB_DEVICE(0x13d3, 0x3607), .driver_info = BTUSB_MEDIATEK | 642 BTUSB_WIDEBAND_SPEECH }, 643 { USB_DEVICE(0x13d3, 0x3614), .driver_info = BTUSB_MEDIATEK | 644 BTUSB_WIDEBAND_SPEECH }, 645 { USB_DEVICE(0x13d3, 0x3615), .driver_info = BTUSB_MEDIATEK | 646 BTUSB_WIDEBAND_SPEECH }, 647 { USB_DEVICE(0x35f5, 0x7922), .driver_info = BTUSB_MEDIATEK | 648 BTUSB_WIDEBAND_SPEECH }, 649 650 /* Additional MediaTek MT7925 Bluetooth devices */ 651 { USB_DEVICE(0x0489, 0xe111), .driver_info = BTUSB_MEDIATEK | 652 BTUSB_WIDEBAND_SPEECH }, 653 { USB_DEVICE(0x0489, 0xe113), .driver_info = BTUSB_MEDIATEK | 654 BTUSB_WIDEBAND_SPEECH }, 655 { USB_DEVICE(0x0489, 0xe118), .driver_info = BTUSB_MEDIATEK | 656 BTUSB_WIDEBAND_SPEECH }, 657 { USB_DEVICE(0x0489, 0xe11e), .driver_info = BTUSB_MEDIATEK | 658 BTUSB_WIDEBAND_SPEECH }, 659 { USB_DEVICE(0x0489, 0xe124), .driver_info = BTUSB_MEDIATEK | 660 BTUSB_WIDEBAND_SPEECH }, 661 { USB_DEVICE(0x0489, 0xe139), .driver_info = BTUSB_MEDIATEK | 662 BTUSB_WIDEBAND_SPEECH }, 663 { USB_DEVICE(0x0489, 0xe14f), .driver_info = BTUSB_MEDIATEK | 664 BTUSB_WIDEBAND_SPEECH }, 665 { USB_DEVICE(0x0489, 0xe150), .driver_info = BTUSB_MEDIATEK | 666 BTUSB_WIDEBAND_SPEECH }, 667 { USB_DEVICE(0x0489, 0xe151), .driver_info = BTUSB_MEDIATEK | 668 BTUSB_WIDEBAND_SPEECH }, 669 { USB_DEVICE(0x13d3, 0x3602), .driver_info = BTUSB_MEDIATEK | 670 BTUSB_WIDEBAND_SPEECH }, 671 { USB_DEVICE(0x13d3, 0x3603), .driver_info = BTUSB_MEDIATEK | 672 BTUSB_WIDEBAND_SPEECH }, 673 { USB_DEVICE(0x13d3, 0x3604), .driver_info = BTUSB_MEDIATEK | 674 BTUSB_WIDEBAND_SPEECH }, 675 { USB_DEVICE(0x13d3, 0x3608), .driver_info = BTUSB_MEDIATEK | 676 BTUSB_WIDEBAND_SPEECH }, 677 678 /* Additional Realtek 8723AE Bluetooth devices */ 679 { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK }, 680 { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK }, 681 682 /* Additional Realtek 8723BE Bluetooth devices */ 683 { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK }, 684 { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK }, 685 { USB_DEVICE(0x04f2, 0xb49f), .driver_info = BTUSB_REALTEK }, 686 { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK }, 687 { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK }, 688 { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK }, 689 { USB_DEVICE(0x13d3, 0x3494), .driver_info = BTUSB_REALTEK }, 690 691 /* Additional Realtek 8723BU Bluetooth devices */ 692 { USB_DEVICE(0x7392, 0xa611), .driver_info = BTUSB_REALTEK }, 693 694 /* Additional Realtek 8723DE Bluetooth devices */ 695 { USB_DEVICE(0x0bda, 0xb009), .driver_info = BTUSB_REALTEK }, 696 { USB_DEVICE(0x2ff8, 0xb011), .driver_info = BTUSB_REALTEK }, 697 698 /* Additional Realtek 8761BUV Bluetooth devices */ 699 { USB_DEVICE(0x2357, 0x0604), .driver_info = BTUSB_REALTEK | 700 BTUSB_WIDEBAND_SPEECH }, 701 { USB_DEVICE(0x0b05, 0x190e), .driver_info = BTUSB_REALTEK | 702 BTUSB_WIDEBAND_SPEECH }, 703 { USB_DEVICE(0x2550, 0x8761), .driver_info = BTUSB_REALTEK | 704 BTUSB_WIDEBAND_SPEECH }, 705 { USB_DEVICE(0x0bda, 0x8771), .driver_info = BTUSB_REALTEK | 706 BTUSB_WIDEBAND_SPEECH }, 707 { USB_DEVICE(0x6655, 0x8771), .driver_info = BTUSB_REALTEK | 708 BTUSB_WIDEBAND_SPEECH }, 709 { USB_DEVICE(0x7392, 0xc611), .driver_info = BTUSB_REALTEK | 710 BTUSB_WIDEBAND_SPEECH }, 711 { USB_DEVICE(0x2b89, 0x8761), .driver_info = BTUSB_REALTEK | 712 BTUSB_WIDEBAND_SPEECH }, 713 714 /* Additional Realtek 8821AE Bluetooth devices */ 715 { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK }, 716 { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK }, 717 { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK }, 718 { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK }, 719 { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK }, 720 721 /* Additional Realtek 8822BE Bluetooth devices */ 722 { USB_DEVICE(0x13d3, 0x3526), .driver_info = BTUSB_REALTEK }, 723 { USB_DEVICE(0x0b05, 0x185c), .driver_info = BTUSB_REALTEK }, 724 725 /* Additional Realtek 8822CE Bluetooth devices */ 726 { USB_DEVICE(0x04ca, 0x4005), .driver_info = BTUSB_REALTEK | 727 BTUSB_WIDEBAND_SPEECH }, 728 { USB_DEVICE(0x04c5, 0x161f), .driver_info = BTUSB_REALTEK | 729 BTUSB_WIDEBAND_SPEECH }, 730 { USB_DEVICE(0x0b05, 0x18ef), .driver_info = BTUSB_REALTEK | 731 BTUSB_WIDEBAND_SPEECH }, 732 { USB_DEVICE(0x13d3, 0x3548), .driver_info = BTUSB_REALTEK | 733 BTUSB_WIDEBAND_SPEECH }, 734 { USB_DEVICE(0x13d3, 0x3549), .driver_info = BTUSB_REALTEK | 735 BTUSB_WIDEBAND_SPEECH }, 736 { USB_DEVICE(0x13d3, 0x3553), .driver_info = BTUSB_REALTEK | 737 BTUSB_WIDEBAND_SPEECH }, 738 { USB_DEVICE(0x13d3, 0x3555), .driver_info = BTUSB_REALTEK | 739 BTUSB_WIDEBAND_SPEECH }, 740 { USB_DEVICE(0x2ff8, 0x3051), .driver_info = BTUSB_REALTEK | 741 BTUSB_WIDEBAND_SPEECH }, 742 { USB_DEVICE(0x1358, 0xc123), .driver_info = BTUSB_REALTEK | 743 BTUSB_WIDEBAND_SPEECH }, 744 { USB_DEVICE(0x0bda, 0xc123), .driver_info = BTUSB_REALTEK | 745 BTUSB_WIDEBAND_SPEECH }, 746 { USB_DEVICE(0x0cb5, 0xc547), .driver_info = BTUSB_REALTEK | 747 BTUSB_WIDEBAND_SPEECH }, 748 749 /* Actions Semiconductor ATS2851 based devices */ 750 { USB_DEVICE(0x10d7, 0xb012), .driver_info = BTUSB_ACTIONS_SEMI }, 751 752 /* Silicon Wave based devices */ 753 { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE }, 754 755 { } /* Terminating entry */ 756 }; 757 758 /* The Bluetooth USB module build into some devices needs to be reset on resume, 759 * this is a problem with the platform (likely shutting off all power) not with 760 * the module itself. So we use a DMI list to match known broken platforms. 761 */ 762 static const struct dmi_system_id btusb_needs_reset_resume_table[] = { 763 { 764 /* Dell OptiPlex 3060 (QCA ROME device 0cf3:e007) */ 765 .matches = { 766 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 767 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 3060"), 768 }, 769 }, 770 { 771 /* Dell XPS 9360 (QCA ROME device 0cf3:e300) */ 772 .matches = { 773 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 774 DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9360"), 775 }, 776 }, 777 { 778 /* Dell Inspiron 5565 (QCA ROME device 0cf3:e009) */ 779 .matches = { 780 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 781 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5565"), 782 }, 783 }, 784 {} 785 }; 786 787 struct qca_dump_info { 788 /* fields for dump collection */ 789 u16 id_vendor; 790 u16 id_product; 791 u32 fw_version; 792 u32 controller_id; 793 u32 ram_dump_size; 794 u16 ram_dump_seqno; 795 }; 796 797 #define BTUSB_MAX_ISOC_FRAMES 10 798 799 #define BTUSB_INTR_RUNNING 0 800 #define BTUSB_BULK_RUNNING 1 801 #define BTUSB_ISOC_RUNNING 2 802 #define BTUSB_SUSPENDING 3 803 #define BTUSB_DID_ISO_RESUME 4 804 #define BTUSB_BOOTLOADER 5 805 #define BTUSB_DOWNLOADING 6 806 #define BTUSB_FIRMWARE_LOADED 7 807 #define BTUSB_FIRMWARE_FAILED 8 808 #define BTUSB_BOOTING 9 809 #define BTUSB_DIAG_RUNNING 10 810 #define BTUSB_OOB_WAKE_ENABLED 11 811 #define BTUSB_HW_RESET_ACTIVE 12 812 #define BTUSB_TX_WAIT_VND_EVT 13 813 #define BTUSB_WAKEUP_AUTOSUSPEND 14 814 #define BTUSB_USE_ALT3_FOR_WBS 15 815 #define BTUSB_ALT6_CONTINUOUS_TX 16 816 #define BTUSB_HW_SSR_ACTIVE 17 817 818 struct btusb_data { 819 struct hci_dev *hdev; 820 struct usb_device *udev; 821 struct usb_interface *intf; 822 struct usb_interface *isoc; 823 struct usb_interface *diag; 824 unsigned isoc_ifnum; 825 826 unsigned long flags; 827 828 bool poll_sync; 829 int intr_interval; 830 struct work_struct work; 831 struct work_struct waker; 832 struct delayed_work rx_work; 833 834 struct sk_buff_head acl_q; 835 836 struct usb_anchor deferred; 837 struct usb_anchor tx_anchor; 838 int tx_in_flight; 839 spinlock_t txlock; 840 841 struct usb_anchor intr_anchor; 842 struct usb_anchor bulk_anchor; 843 struct usb_anchor isoc_anchor; 844 struct usb_anchor diag_anchor; 845 struct usb_anchor ctrl_anchor; 846 spinlock_t rxlock; 847 848 struct sk_buff *evt_skb; 849 struct sk_buff *acl_skb; 850 struct sk_buff *sco_skb; 851 852 struct usb_endpoint_descriptor *intr_ep; 853 struct usb_endpoint_descriptor *bulk_tx_ep; 854 struct usb_endpoint_descriptor *bulk_rx_ep; 855 struct usb_endpoint_descriptor *isoc_tx_ep; 856 struct usb_endpoint_descriptor *isoc_rx_ep; 857 struct usb_endpoint_descriptor *diag_tx_ep; 858 struct usb_endpoint_descriptor *diag_rx_ep; 859 860 struct gpio_desc *reset_gpio; 861 862 __u8 cmdreq_type; 863 __u8 cmdreq; 864 865 unsigned int sco_num; 866 unsigned int air_mode; 867 bool usb_alt6_packet_flow; 868 int isoc_altsetting; 869 int suspend_count; 870 871 int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb); 872 int (*recv_acl)(struct hci_dev *hdev, struct sk_buff *skb); 873 int (*recv_bulk)(struct btusb_data *data, void *buffer, int count); 874 875 int (*setup_on_usb)(struct hci_dev *hdev); 876 877 int (*suspend)(struct hci_dev *hdev); 878 int (*resume)(struct hci_dev *hdev); 879 int (*disconnect)(struct hci_dev *hdev); 880 881 int oob_wake_irq; /* irq for out-of-band wake-on-bt */ 882 unsigned cmd_timeout_cnt; 883 884 struct qca_dump_info qca_dump; 885 }; 886 887 static void btusb_reset(struct hci_dev *hdev) 888 { 889 struct btusb_data *data; 890 int err; 891 892 if (hdev->reset) { 893 hdev->reset(hdev); 894 return; 895 } 896 897 data = hci_get_drvdata(hdev); 898 /* This is not an unbalanced PM reference since the device will reset */ 899 err = usb_autopm_get_interface(data->intf); 900 if (err) { 901 bt_dev_err(hdev, "Failed usb_autopm_get_interface: %d", err); 902 return; 903 } 904 905 bt_dev_err(hdev, "Resetting usb device."); 906 usb_queue_reset_device(data->intf); 907 } 908 909 static void btusb_intel_cmd_timeout(struct hci_dev *hdev) 910 { 911 struct btusb_data *data = hci_get_drvdata(hdev); 912 struct gpio_desc *reset_gpio = data->reset_gpio; 913 struct btintel_data *intel_data = hci_get_priv(hdev); 914 915 if (++data->cmd_timeout_cnt < 5) 916 return; 917 918 if (intel_data->acpi_reset_method) { 919 if (test_and_set_bit(INTEL_ACPI_RESET_ACTIVE, intel_data->flags)) { 920 bt_dev_err(hdev, "acpi: last reset failed ? Not resetting again"); 921 return; 922 } 923 924 bt_dev_err(hdev, "Initiating acpi reset method"); 925 /* If ACPI reset method fails, lets try with legacy GPIO 926 * toggling 927 */ 928 if (!intel_data->acpi_reset_method(hdev)) { 929 return; 930 } 931 } 932 933 if (!reset_gpio) { 934 btusb_reset(hdev); 935 return; 936 } 937 938 /* 939 * Toggle the hard reset line if the platform provides one. The reset 940 * is going to yank the device off the USB and then replug. So doing 941 * once is enough. The cleanup is handled correctly on the way out 942 * (standard USB disconnect), and the new device is detected cleanly 943 * and bound to the driver again like it should be. 944 */ 945 if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) { 946 bt_dev_err(hdev, "last reset failed? Not resetting again"); 947 return; 948 } 949 950 bt_dev_err(hdev, "Initiating HW reset via gpio"); 951 gpiod_set_value_cansleep(reset_gpio, 1); 952 msleep(100); 953 gpiod_set_value_cansleep(reset_gpio, 0); 954 } 955 956 #define RTK_DEVCOREDUMP_CODE_MEMDUMP 0x01 957 #define RTK_DEVCOREDUMP_CODE_HW_ERR 0x02 958 #define RTK_DEVCOREDUMP_CODE_CMD_TIMEOUT 0x03 959 960 #define RTK_SUB_EVENT_CODE_COREDUMP 0x34 961 962 struct rtk_dev_coredump_hdr { 963 u8 type; 964 u8 code; 965 u8 reserved[2]; 966 } __packed; 967 968 static inline void btusb_rtl_alloc_devcoredump(struct hci_dev *hdev, 969 struct rtk_dev_coredump_hdr *hdr, u8 *buf, u32 len) 970 { 971 struct sk_buff *skb; 972 973 skb = alloc_skb(len + sizeof(*hdr), GFP_ATOMIC); 974 if (!skb) 975 return; 976 977 skb_put_data(skb, hdr, sizeof(*hdr)); 978 if (len) 979 skb_put_data(skb, buf, len); 980 981 if (!hci_devcd_init(hdev, skb->len)) { 982 hci_devcd_append(hdev, skb); 983 hci_devcd_complete(hdev); 984 } else { 985 bt_dev_err(hdev, "RTL: Failed to generate devcoredump"); 986 kfree_skb(skb); 987 } 988 } 989 990 static void btusb_rtl_cmd_timeout(struct hci_dev *hdev) 991 { 992 struct btusb_data *data = hci_get_drvdata(hdev); 993 struct gpio_desc *reset_gpio = data->reset_gpio; 994 struct rtk_dev_coredump_hdr hdr = { 995 .type = RTK_DEVCOREDUMP_CODE_CMD_TIMEOUT, 996 }; 997 998 btusb_rtl_alloc_devcoredump(hdev, &hdr, NULL, 0); 999 1000 if (++data->cmd_timeout_cnt < 5) 1001 return; 1002 1003 if (!reset_gpio) { 1004 btusb_reset(hdev); 1005 return; 1006 } 1007 1008 /* Toggle the hard reset line. The Realtek device is going to 1009 * yank itself off the USB and then replug. The cleanup is handled 1010 * correctly on the way out (standard USB disconnect), and the new 1011 * device is detected cleanly and bound to the driver again like 1012 * it should be. 1013 */ 1014 if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) { 1015 bt_dev_err(hdev, "last reset failed? Not resetting again"); 1016 return; 1017 } 1018 1019 bt_dev_err(hdev, "Reset Realtek device via gpio"); 1020 gpiod_set_value_cansleep(reset_gpio, 1); 1021 msleep(200); 1022 gpiod_set_value_cansleep(reset_gpio, 0); 1023 } 1024 1025 static void btusb_rtl_hw_error(struct hci_dev *hdev, u8 code) 1026 { 1027 struct rtk_dev_coredump_hdr hdr = { 1028 .type = RTK_DEVCOREDUMP_CODE_HW_ERR, 1029 .code = code, 1030 }; 1031 1032 bt_dev_err(hdev, "RTL: hw err, trigger devcoredump (%d)", code); 1033 1034 btusb_rtl_alloc_devcoredump(hdev, &hdr, NULL, 0); 1035 } 1036 1037 static void btusb_qca_cmd_timeout(struct hci_dev *hdev) 1038 { 1039 struct btusb_data *data = hci_get_drvdata(hdev); 1040 struct gpio_desc *reset_gpio = data->reset_gpio; 1041 1042 if (test_bit(BTUSB_HW_SSR_ACTIVE, &data->flags)) { 1043 bt_dev_info(hdev, "Ramdump in progress, defer cmd_timeout"); 1044 return; 1045 } 1046 1047 if (++data->cmd_timeout_cnt < 5) 1048 return; 1049 1050 if (reset_gpio) { 1051 bt_dev_err(hdev, "Reset qca device via bt_en gpio"); 1052 1053 /* Toggle the hard reset line. The qca bt device is going to 1054 * yank itself off the USB and then replug. The cleanup is handled 1055 * correctly on the way out (standard USB disconnect), and the new 1056 * device is detected cleanly and bound to the driver again like 1057 * it should be. 1058 */ 1059 if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) { 1060 bt_dev_err(hdev, "last reset failed? Not resetting again"); 1061 return; 1062 } 1063 1064 gpiod_set_value_cansleep(reset_gpio, 0); 1065 msleep(200); 1066 gpiod_set_value_cansleep(reset_gpio, 1); 1067 1068 return; 1069 } 1070 1071 btusb_reset(hdev); 1072 } 1073 1074 static inline void btusb_free_frags(struct btusb_data *data) 1075 { 1076 unsigned long flags; 1077 1078 spin_lock_irqsave(&data->rxlock, flags); 1079 1080 dev_kfree_skb_irq(data->evt_skb); 1081 data->evt_skb = NULL; 1082 1083 dev_kfree_skb_irq(data->acl_skb); 1084 data->acl_skb = NULL; 1085 1086 dev_kfree_skb_irq(data->sco_skb); 1087 data->sco_skb = NULL; 1088 1089 spin_unlock_irqrestore(&data->rxlock, flags); 1090 } 1091 1092 static int btusb_recv_event(struct btusb_data *data, struct sk_buff *skb) 1093 { 1094 if (data->intr_interval) { 1095 /* Trigger dequeue immediately if an event is received */ 1096 schedule_delayed_work(&data->rx_work, 0); 1097 } 1098 1099 return data->recv_event(data->hdev, skb); 1100 } 1101 1102 static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count) 1103 { 1104 struct sk_buff *skb; 1105 unsigned long flags; 1106 int err = 0; 1107 1108 spin_lock_irqsave(&data->rxlock, flags); 1109 skb = data->evt_skb; 1110 1111 while (count) { 1112 int len; 1113 1114 if (!skb) { 1115 skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC); 1116 if (!skb) { 1117 err = -ENOMEM; 1118 break; 1119 } 1120 1121 hci_skb_pkt_type(skb) = HCI_EVENT_PKT; 1122 hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE; 1123 } 1124 1125 len = min_t(uint, hci_skb_expect(skb), count); 1126 skb_put_data(skb, buffer, len); 1127 1128 count -= len; 1129 buffer += len; 1130 hci_skb_expect(skb) -= len; 1131 1132 if (skb->len == HCI_EVENT_HDR_SIZE) { 1133 /* Complete event header */ 1134 hci_skb_expect(skb) = hci_event_hdr(skb)->plen; 1135 1136 if (skb_tailroom(skb) < hci_skb_expect(skb)) { 1137 kfree_skb(skb); 1138 skb = NULL; 1139 1140 err = -EILSEQ; 1141 break; 1142 } 1143 } 1144 1145 if (!hci_skb_expect(skb)) { 1146 /* Complete frame */ 1147 btusb_recv_event(data, skb); 1148 skb = NULL; 1149 } 1150 } 1151 1152 data->evt_skb = skb; 1153 spin_unlock_irqrestore(&data->rxlock, flags); 1154 1155 return err; 1156 } 1157 1158 static int btusb_recv_acl(struct btusb_data *data, struct sk_buff *skb) 1159 { 1160 /* Only queue ACL packet if intr_interval is set as it means 1161 * force_poll_sync has been enabled. 1162 */ 1163 if (!data->intr_interval) 1164 return data->recv_acl(data->hdev, skb); 1165 1166 skb_queue_tail(&data->acl_q, skb); 1167 schedule_delayed_work(&data->rx_work, data->intr_interval); 1168 1169 return 0; 1170 } 1171 1172 static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count) 1173 { 1174 struct sk_buff *skb; 1175 unsigned long flags; 1176 int err = 0; 1177 1178 spin_lock_irqsave(&data->rxlock, flags); 1179 skb = data->acl_skb; 1180 1181 while (count) { 1182 int len; 1183 1184 if (!skb) { 1185 skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC); 1186 if (!skb) { 1187 err = -ENOMEM; 1188 break; 1189 } 1190 1191 hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT; 1192 hci_skb_expect(skb) = HCI_ACL_HDR_SIZE; 1193 } 1194 1195 len = min_t(uint, hci_skb_expect(skb), count); 1196 skb_put_data(skb, buffer, len); 1197 1198 count -= len; 1199 buffer += len; 1200 hci_skb_expect(skb) -= len; 1201 1202 if (skb->len == HCI_ACL_HDR_SIZE) { 1203 __le16 dlen = hci_acl_hdr(skb)->dlen; 1204 1205 /* Complete ACL header */ 1206 hci_skb_expect(skb) = __le16_to_cpu(dlen); 1207 1208 if (skb_tailroom(skb) < hci_skb_expect(skb)) { 1209 kfree_skb(skb); 1210 skb = NULL; 1211 1212 err = -EILSEQ; 1213 break; 1214 } 1215 } 1216 1217 if (!hci_skb_expect(skb)) { 1218 /* Complete frame */ 1219 btusb_recv_acl(data, skb); 1220 skb = NULL; 1221 } 1222 } 1223 1224 data->acl_skb = skb; 1225 spin_unlock_irqrestore(&data->rxlock, flags); 1226 1227 return err; 1228 } 1229 1230 static bool btusb_validate_sco_handle(struct hci_dev *hdev, 1231 struct hci_sco_hdr *hdr) 1232 { 1233 __u16 handle; 1234 1235 if (hci_dev_test_flag(hdev, HCI_USER_CHANNEL)) 1236 // Can't validate, userspace controls everything. 1237 return true; 1238 1239 /* 1240 * USB isochronous transfers are not designed to be reliable and may 1241 * lose fragments. When this happens, the next first fragment 1242 * encountered might actually be a continuation fragment. 1243 * Validate the handle to detect it and drop it, or else the upper 1244 * layer will get garbage for a while. 1245 */ 1246 1247 handle = hci_handle(__le16_to_cpu(hdr->handle)); 1248 1249 switch (hci_conn_lookup_type(hdev, handle)) { 1250 case SCO_LINK: 1251 case ESCO_LINK: 1252 return true; 1253 default: 1254 return false; 1255 } 1256 } 1257 1258 static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count) 1259 { 1260 struct sk_buff *skb; 1261 unsigned long flags; 1262 int err = 0; 1263 1264 spin_lock_irqsave(&data->rxlock, flags); 1265 skb = data->sco_skb; 1266 1267 while (count) { 1268 int len; 1269 1270 if (!skb) { 1271 skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC); 1272 if (!skb) { 1273 err = -ENOMEM; 1274 break; 1275 } 1276 1277 hci_skb_pkt_type(skb) = HCI_SCODATA_PKT; 1278 hci_skb_expect(skb) = HCI_SCO_HDR_SIZE; 1279 } 1280 1281 len = min_t(uint, hci_skb_expect(skb), count); 1282 skb_put_data(skb, buffer, len); 1283 1284 count -= len; 1285 buffer += len; 1286 hci_skb_expect(skb) -= len; 1287 1288 if (skb->len == HCI_SCO_HDR_SIZE) { 1289 /* Complete SCO header */ 1290 struct hci_sco_hdr *hdr = hci_sco_hdr(skb); 1291 1292 hci_skb_expect(skb) = hdr->dlen; 1293 1294 if (skb_tailroom(skb) < hci_skb_expect(skb) || 1295 !btusb_validate_sco_handle(data->hdev, hdr)) { 1296 kfree_skb(skb); 1297 skb = NULL; 1298 1299 err = -EILSEQ; 1300 break; 1301 } 1302 } 1303 1304 if (!hci_skb_expect(skb)) { 1305 /* Complete frame */ 1306 hci_recv_frame(data->hdev, skb); 1307 skb = NULL; 1308 } 1309 } 1310 1311 data->sco_skb = skb; 1312 spin_unlock_irqrestore(&data->rxlock, flags); 1313 1314 return err; 1315 } 1316 1317 static void btusb_intr_complete(struct urb *urb) 1318 { 1319 struct hci_dev *hdev = urb->context; 1320 struct btusb_data *data = hci_get_drvdata(hdev); 1321 int err; 1322 1323 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, 1324 urb->actual_length); 1325 1326 if (!test_bit(HCI_RUNNING, &hdev->flags)) 1327 return; 1328 1329 if (urb->status == 0) { 1330 hdev->stat.byte_rx += urb->actual_length; 1331 1332 if (btusb_recv_intr(data, urb->transfer_buffer, 1333 urb->actual_length) < 0) { 1334 bt_dev_err(hdev, "corrupted event packet"); 1335 hdev->stat.err_rx++; 1336 } 1337 } else if (urb->status == -ENOENT) { 1338 /* Avoid suspend failed when usb_kill_urb */ 1339 return; 1340 } 1341 1342 if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) 1343 return; 1344 1345 usb_mark_last_busy(data->udev); 1346 usb_anchor_urb(urb, &data->intr_anchor); 1347 1348 err = usb_submit_urb(urb, GFP_ATOMIC); 1349 if (err < 0) { 1350 /* -EPERM: urb is being killed; 1351 * -ENODEV: device got disconnected 1352 */ 1353 if (err != -EPERM && err != -ENODEV) 1354 bt_dev_err(hdev, "urb %p failed to resubmit (%d)", 1355 urb, -err); 1356 if (err != -EPERM) 1357 hci_cmd_sync_cancel(hdev, -err); 1358 usb_unanchor_urb(urb); 1359 } 1360 } 1361 1362 static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) 1363 { 1364 struct btusb_data *data = hci_get_drvdata(hdev); 1365 struct urb *urb; 1366 unsigned char *buf; 1367 unsigned int pipe; 1368 int err, size; 1369 1370 BT_DBG("%s", hdev->name); 1371 1372 if (!data->intr_ep) 1373 return -ENODEV; 1374 1375 urb = usb_alloc_urb(0, mem_flags); 1376 if (!urb) 1377 return -ENOMEM; 1378 1379 if (le16_to_cpu(data->udev->descriptor.idVendor) == 0x0a12 && 1380 le16_to_cpu(data->udev->descriptor.idProduct) == 0x0001) 1381 /* Fake CSR devices don't seem to support sort-transter */ 1382 size = le16_to_cpu(data->intr_ep->wMaxPacketSize); 1383 else 1384 /* Use maximum HCI Event size so the USB stack handles 1385 * ZPL/short-transfer automatically. 1386 */ 1387 size = HCI_MAX_EVENT_SIZE; 1388 1389 buf = kmalloc(size, mem_flags); 1390 if (!buf) { 1391 usb_free_urb(urb); 1392 return -ENOMEM; 1393 } 1394 1395 pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); 1396 1397 usb_fill_int_urb(urb, data->udev, pipe, buf, size, 1398 btusb_intr_complete, hdev, data->intr_ep->bInterval); 1399 1400 urb->transfer_flags |= URB_FREE_BUFFER; 1401 1402 usb_anchor_urb(urb, &data->intr_anchor); 1403 1404 err = usb_submit_urb(urb, mem_flags); 1405 if (err < 0) { 1406 if (err != -EPERM && err != -ENODEV) 1407 bt_dev_err(hdev, "urb %p submission failed (%d)", 1408 urb, -err); 1409 if (err != -EPERM) 1410 hci_cmd_sync_cancel(hdev, -err); 1411 usb_unanchor_urb(urb); 1412 } 1413 1414 /* Only initialize intr_interval if URB poll sync is enabled */ 1415 if (!data->poll_sync) 1416 goto done; 1417 1418 /* The units are frames (milliseconds) for full and low speed devices, 1419 * and microframes (1/8 millisecond) for highspeed and SuperSpeed 1420 * devices. 1421 * 1422 * This is done once on open/resume so it shouldn't change even if 1423 * force_poll_sync changes. 1424 */ 1425 switch (urb->dev->speed) { 1426 case USB_SPEED_SUPER_PLUS: 1427 case USB_SPEED_SUPER: /* units are 125us */ 1428 data->intr_interval = usecs_to_jiffies(urb->interval * 125); 1429 break; 1430 default: 1431 data->intr_interval = msecs_to_jiffies(urb->interval); 1432 break; 1433 } 1434 1435 done: 1436 usb_free_urb(urb); 1437 1438 return err; 1439 } 1440 1441 static void btusb_bulk_complete(struct urb *urb) 1442 { 1443 struct hci_dev *hdev = urb->context; 1444 struct btusb_data *data = hci_get_drvdata(hdev); 1445 int err; 1446 1447 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, 1448 urb->actual_length); 1449 1450 if (!test_bit(HCI_RUNNING, &hdev->flags)) 1451 return; 1452 1453 if (urb->status == 0) { 1454 hdev->stat.byte_rx += urb->actual_length; 1455 1456 if (data->recv_bulk(data, urb->transfer_buffer, 1457 urb->actual_length) < 0) { 1458 bt_dev_err(hdev, "corrupted ACL packet"); 1459 hdev->stat.err_rx++; 1460 } 1461 } else if (urb->status == -ENOENT) { 1462 /* Avoid suspend failed when usb_kill_urb */ 1463 return; 1464 } 1465 1466 if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) 1467 return; 1468 1469 usb_anchor_urb(urb, &data->bulk_anchor); 1470 usb_mark_last_busy(data->udev); 1471 1472 err = usb_submit_urb(urb, GFP_ATOMIC); 1473 if (err < 0) { 1474 /* -EPERM: urb is being killed; 1475 * -ENODEV: device got disconnected 1476 */ 1477 if (err != -EPERM && err != -ENODEV) 1478 bt_dev_err(hdev, "urb %p failed to resubmit (%d)", 1479 urb, -err); 1480 usb_unanchor_urb(urb); 1481 } 1482 } 1483 1484 static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) 1485 { 1486 struct btusb_data *data = hci_get_drvdata(hdev); 1487 struct urb *urb; 1488 unsigned char *buf; 1489 unsigned int pipe; 1490 int err, size = HCI_MAX_FRAME_SIZE; 1491 1492 BT_DBG("%s", hdev->name); 1493 1494 if (!data->bulk_rx_ep) 1495 return -ENODEV; 1496 1497 urb = usb_alloc_urb(0, mem_flags); 1498 if (!urb) 1499 return -ENOMEM; 1500 1501 buf = kmalloc(size, mem_flags); 1502 if (!buf) { 1503 usb_free_urb(urb); 1504 return -ENOMEM; 1505 } 1506 1507 pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); 1508 1509 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, 1510 btusb_bulk_complete, hdev); 1511 1512 urb->transfer_flags |= URB_FREE_BUFFER; 1513 1514 usb_mark_last_busy(data->udev); 1515 usb_anchor_urb(urb, &data->bulk_anchor); 1516 1517 err = usb_submit_urb(urb, mem_flags); 1518 if (err < 0) { 1519 if (err != -EPERM && err != -ENODEV) 1520 bt_dev_err(hdev, "urb %p submission failed (%d)", 1521 urb, -err); 1522 usb_unanchor_urb(urb); 1523 } 1524 1525 usb_free_urb(urb); 1526 1527 return err; 1528 } 1529 1530 static void btusb_isoc_complete(struct urb *urb) 1531 { 1532 struct hci_dev *hdev = urb->context; 1533 struct btusb_data *data = hci_get_drvdata(hdev); 1534 int i, err; 1535 1536 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, 1537 urb->actual_length); 1538 1539 if (!test_bit(HCI_RUNNING, &hdev->flags)) 1540 return; 1541 1542 if (urb->status == 0) { 1543 for (i = 0; i < urb->number_of_packets; i++) { 1544 unsigned int offset = urb->iso_frame_desc[i].offset; 1545 unsigned int length = urb->iso_frame_desc[i].actual_length; 1546 1547 if (urb->iso_frame_desc[i].status) 1548 continue; 1549 1550 hdev->stat.byte_rx += length; 1551 1552 if (btusb_recv_isoc(data, urb->transfer_buffer + offset, 1553 length) < 0) { 1554 bt_dev_err(hdev, "corrupted SCO packet"); 1555 hdev->stat.err_rx++; 1556 } 1557 } 1558 } else if (urb->status == -ENOENT) { 1559 /* Avoid suspend failed when usb_kill_urb */ 1560 return; 1561 } 1562 1563 if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) 1564 return; 1565 1566 usb_anchor_urb(urb, &data->isoc_anchor); 1567 1568 err = usb_submit_urb(urb, GFP_ATOMIC); 1569 if (err < 0) { 1570 /* -EPERM: urb is being killed; 1571 * -ENODEV: device got disconnected 1572 */ 1573 if (err != -EPERM && err != -ENODEV) 1574 bt_dev_err(hdev, "urb %p failed to resubmit (%d)", 1575 urb, -err); 1576 usb_unanchor_urb(urb); 1577 } 1578 } 1579 1580 static inline void __fill_isoc_descriptor_msbc(struct urb *urb, int len, 1581 int mtu, struct btusb_data *data) 1582 { 1583 int i = 0, offset = 0; 1584 unsigned int interval; 1585 1586 BT_DBG("len %d mtu %d", len, mtu); 1587 1588 /* For mSBC ALT 6 settings some chips need to transmit the data 1589 * continuously without the zero length of USB packets. 1590 */ 1591 if (test_bit(BTUSB_ALT6_CONTINUOUS_TX, &data->flags)) 1592 goto ignore_usb_alt6_packet_flow; 1593 1594 /* For mSBC ALT 6 setting the host will send the packet at continuous 1595 * flow. As per core spec 5, vol 4, part B, table 2.1. For ALT setting 1596 * 6 the HCI PACKET INTERVAL should be 7.5ms for every usb packets. 1597 * To maintain the rate we send 63bytes of usb packets alternatively for 1598 * 7ms and 8ms to maintain the rate as 7.5ms. 1599 */ 1600 if (data->usb_alt6_packet_flow) { 1601 interval = 7; 1602 data->usb_alt6_packet_flow = false; 1603 } else { 1604 interval = 6; 1605 data->usb_alt6_packet_flow = true; 1606 } 1607 1608 for (i = 0; i < interval; i++) { 1609 urb->iso_frame_desc[i].offset = offset; 1610 urb->iso_frame_desc[i].length = offset; 1611 } 1612 1613 ignore_usb_alt6_packet_flow: 1614 if (len && i < BTUSB_MAX_ISOC_FRAMES) { 1615 urb->iso_frame_desc[i].offset = offset; 1616 urb->iso_frame_desc[i].length = len; 1617 i++; 1618 } 1619 1620 urb->number_of_packets = i; 1621 } 1622 1623 static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) 1624 { 1625 int i, offset = 0; 1626 1627 BT_DBG("len %d mtu %d", len, mtu); 1628 1629 for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; 1630 i++, offset += mtu, len -= mtu) { 1631 urb->iso_frame_desc[i].offset = offset; 1632 urb->iso_frame_desc[i].length = mtu; 1633 } 1634 1635 if (len && i < BTUSB_MAX_ISOC_FRAMES) { 1636 urb->iso_frame_desc[i].offset = offset; 1637 urb->iso_frame_desc[i].length = len; 1638 i++; 1639 } 1640 1641 urb->number_of_packets = i; 1642 } 1643 1644 static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) 1645 { 1646 struct btusb_data *data = hci_get_drvdata(hdev); 1647 struct urb *urb; 1648 unsigned char *buf; 1649 unsigned int pipe; 1650 int err, size; 1651 1652 BT_DBG("%s", hdev->name); 1653 1654 if (!data->isoc_rx_ep) 1655 return -ENODEV; 1656 1657 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); 1658 if (!urb) 1659 return -ENOMEM; 1660 1661 size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * 1662 BTUSB_MAX_ISOC_FRAMES; 1663 1664 buf = kmalloc(size, mem_flags); 1665 if (!buf) { 1666 usb_free_urb(urb); 1667 return -ENOMEM; 1668 } 1669 1670 pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); 1671 1672 usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, 1673 hdev, data->isoc_rx_ep->bInterval); 1674 1675 urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; 1676 1677 __fill_isoc_descriptor(urb, size, 1678 le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); 1679 1680 usb_anchor_urb(urb, &data->isoc_anchor); 1681 1682 err = usb_submit_urb(urb, mem_flags); 1683 if (err < 0) { 1684 if (err != -EPERM && err != -ENODEV) 1685 bt_dev_err(hdev, "urb %p submission failed (%d)", 1686 urb, -err); 1687 usb_unanchor_urb(urb); 1688 } 1689 1690 usb_free_urb(urb); 1691 1692 return err; 1693 } 1694 1695 static void btusb_diag_complete(struct urb *urb) 1696 { 1697 struct hci_dev *hdev = urb->context; 1698 struct btusb_data *data = hci_get_drvdata(hdev); 1699 int err; 1700 1701 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, 1702 urb->actual_length); 1703 1704 if (urb->status == 0) { 1705 struct sk_buff *skb; 1706 1707 skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC); 1708 if (skb) { 1709 skb_put_data(skb, urb->transfer_buffer, 1710 urb->actual_length); 1711 hci_recv_diag(hdev, skb); 1712 } 1713 } else if (urb->status == -ENOENT) { 1714 /* Avoid suspend failed when usb_kill_urb */ 1715 return; 1716 } 1717 1718 if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags)) 1719 return; 1720 1721 usb_anchor_urb(urb, &data->diag_anchor); 1722 usb_mark_last_busy(data->udev); 1723 1724 err = usb_submit_urb(urb, GFP_ATOMIC); 1725 if (err < 0) { 1726 /* -EPERM: urb is being killed; 1727 * -ENODEV: device got disconnected 1728 */ 1729 if (err != -EPERM && err != -ENODEV) 1730 bt_dev_err(hdev, "urb %p failed to resubmit (%d)", 1731 urb, -err); 1732 usb_unanchor_urb(urb); 1733 } 1734 } 1735 1736 static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags) 1737 { 1738 struct btusb_data *data = hci_get_drvdata(hdev); 1739 struct urb *urb; 1740 unsigned char *buf; 1741 unsigned int pipe; 1742 int err, size = HCI_MAX_FRAME_SIZE; 1743 1744 BT_DBG("%s", hdev->name); 1745 1746 if (!data->diag_rx_ep) 1747 return -ENODEV; 1748 1749 urb = usb_alloc_urb(0, mem_flags); 1750 if (!urb) 1751 return -ENOMEM; 1752 1753 buf = kmalloc(size, mem_flags); 1754 if (!buf) { 1755 usb_free_urb(urb); 1756 return -ENOMEM; 1757 } 1758 1759 pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress); 1760 1761 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, 1762 btusb_diag_complete, hdev); 1763 1764 urb->transfer_flags |= URB_FREE_BUFFER; 1765 1766 usb_mark_last_busy(data->udev); 1767 usb_anchor_urb(urb, &data->diag_anchor); 1768 1769 err = usb_submit_urb(urb, mem_flags); 1770 if (err < 0) { 1771 if (err != -EPERM && err != -ENODEV) 1772 bt_dev_err(hdev, "urb %p submission failed (%d)", 1773 urb, -err); 1774 usb_unanchor_urb(urb); 1775 } 1776 1777 usb_free_urb(urb); 1778 1779 return err; 1780 } 1781 1782 static void btusb_tx_complete(struct urb *urb) 1783 { 1784 struct sk_buff *skb = urb->context; 1785 struct hci_dev *hdev = (struct hci_dev *)skb->dev; 1786 struct btusb_data *data = hci_get_drvdata(hdev); 1787 unsigned long flags; 1788 1789 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, 1790 urb->actual_length); 1791 1792 if (!test_bit(HCI_RUNNING, &hdev->flags)) 1793 goto done; 1794 1795 if (!urb->status) { 1796 hdev->stat.byte_tx += urb->transfer_buffer_length; 1797 } else { 1798 if (hci_skb_pkt_type(skb) == HCI_COMMAND_PKT) 1799 hci_cmd_sync_cancel(hdev, -urb->status); 1800 hdev->stat.err_tx++; 1801 } 1802 1803 done: 1804 spin_lock_irqsave(&data->txlock, flags); 1805 data->tx_in_flight--; 1806 spin_unlock_irqrestore(&data->txlock, flags); 1807 1808 kfree(urb->setup_packet); 1809 1810 kfree_skb(skb); 1811 } 1812 1813 static void btusb_isoc_tx_complete(struct urb *urb) 1814 { 1815 struct sk_buff *skb = urb->context; 1816 struct hci_dev *hdev = (struct hci_dev *)skb->dev; 1817 1818 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, 1819 urb->actual_length); 1820 1821 if (!test_bit(HCI_RUNNING, &hdev->flags)) 1822 goto done; 1823 1824 if (!urb->status) 1825 hdev->stat.byte_tx += urb->transfer_buffer_length; 1826 else 1827 hdev->stat.err_tx++; 1828 1829 done: 1830 kfree(urb->setup_packet); 1831 1832 kfree_skb(skb); 1833 } 1834 1835 static int btusb_open(struct hci_dev *hdev) 1836 { 1837 struct btusb_data *data = hci_get_drvdata(hdev); 1838 int err; 1839 1840 BT_DBG("%s", hdev->name); 1841 1842 err = usb_autopm_get_interface(data->intf); 1843 if (err < 0) 1844 return err; 1845 1846 /* Patching USB firmware files prior to starting any URBs of HCI path 1847 * It is more safe to use USB bulk channel for downloading USB patch 1848 */ 1849 if (data->setup_on_usb) { 1850 err = data->setup_on_usb(hdev); 1851 if (err < 0) 1852 goto setup_fail; 1853 } 1854 1855 data->intf->needs_remote_wakeup = 1; 1856 1857 if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) 1858 goto done; 1859 1860 err = btusb_submit_intr_urb(hdev, GFP_KERNEL); 1861 if (err < 0) 1862 goto failed; 1863 1864 err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); 1865 if (err < 0) { 1866 usb_kill_anchored_urbs(&data->intr_anchor); 1867 goto failed; 1868 } 1869 1870 set_bit(BTUSB_BULK_RUNNING, &data->flags); 1871 btusb_submit_bulk_urb(hdev, GFP_KERNEL); 1872 1873 if (data->diag) { 1874 if (!btusb_submit_diag_urb(hdev, GFP_KERNEL)) 1875 set_bit(BTUSB_DIAG_RUNNING, &data->flags); 1876 } 1877 1878 done: 1879 usb_autopm_put_interface(data->intf); 1880 return 0; 1881 1882 failed: 1883 clear_bit(BTUSB_INTR_RUNNING, &data->flags); 1884 setup_fail: 1885 usb_autopm_put_interface(data->intf); 1886 return err; 1887 } 1888 1889 static void btusb_stop_traffic(struct btusb_data *data) 1890 { 1891 usb_kill_anchored_urbs(&data->intr_anchor); 1892 usb_kill_anchored_urbs(&data->bulk_anchor); 1893 usb_kill_anchored_urbs(&data->isoc_anchor); 1894 usb_kill_anchored_urbs(&data->diag_anchor); 1895 usb_kill_anchored_urbs(&data->ctrl_anchor); 1896 } 1897 1898 static int btusb_close(struct hci_dev *hdev) 1899 { 1900 struct btusb_data *data = hci_get_drvdata(hdev); 1901 int err; 1902 1903 BT_DBG("%s", hdev->name); 1904 1905 cancel_delayed_work(&data->rx_work); 1906 cancel_work_sync(&data->work); 1907 cancel_work_sync(&data->waker); 1908 1909 skb_queue_purge(&data->acl_q); 1910 1911 clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 1912 clear_bit(BTUSB_BULK_RUNNING, &data->flags); 1913 clear_bit(BTUSB_INTR_RUNNING, &data->flags); 1914 clear_bit(BTUSB_DIAG_RUNNING, &data->flags); 1915 1916 btusb_stop_traffic(data); 1917 btusb_free_frags(data); 1918 1919 err = usb_autopm_get_interface(data->intf); 1920 if (err < 0) 1921 goto failed; 1922 1923 data->intf->needs_remote_wakeup = 0; 1924 1925 /* Enable remote wake up for auto-suspend */ 1926 if (test_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags)) 1927 data->intf->needs_remote_wakeup = 1; 1928 1929 usb_autopm_put_interface(data->intf); 1930 1931 failed: 1932 usb_scuttle_anchored_urbs(&data->deferred); 1933 return 0; 1934 } 1935 1936 static int btusb_flush(struct hci_dev *hdev) 1937 { 1938 struct btusb_data *data = hci_get_drvdata(hdev); 1939 1940 BT_DBG("%s", hdev->name); 1941 1942 cancel_delayed_work(&data->rx_work); 1943 1944 skb_queue_purge(&data->acl_q); 1945 1946 usb_kill_anchored_urbs(&data->tx_anchor); 1947 btusb_free_frags(data); 1948 1949 return 0; 1950 } 1951 1952 static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb) 1953 { 1954 struct btusb_data *data = hci_get_drvdata(hdev); 1955 struct usb_ctrlrequest *dr; 1956 struct urb *urb; 1957 unsigned int pipe; 1958 1959 urb = usb_alloc_urb(0, GFP_KERNEL); 1960 if (!urb) 1961 return ERR_PTR(-ENOMEM); 1962 1963 dr = kmalloc(sizeof(*dr), GFP_KERNEL); 1964 if (!dr) { 1965 usb_free_urb(urb); 1966 return ERR_PTR(-ENOMEM); 1967 } 1968 1969 dr->bRequestType = data->cmdreq_type; 1970 dr->bRequest = data->cmdreq; 1971 dr->wIndex = 0; 1972 dr->wValue = 0; 1973 dr->wLength = __cpu_to_le16(skb->len); 1974 1975 pipe = usb_sndctrlpipe(data->udev, 0x00); 1976 1977 usb_fill_control_urb(urb, data->udev, pipe, (void *)dr, 1978 skb->data, skb->len, btusb_tx_complete, skb); 1979 1980 skb->dev = (void *)hdev; 1981 1982 return urb; 1983 } 1984 1985 static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb) 1986 { 1987 struct btusb_data *data = hci_get_drvdata(hdev); 1988 struct urb *urb; 1989 unsigned int pipe; 1990 1991 if (!data->bulk_tx_ep) 1992 return ERR_PTR(-ENODEV); 1993 1994 urb = usb_alloc_urb(0, GFP_KERNEL); 1995 if (!urb) 1996 return ERR_PTR(-ENOMEM); 1997 1998 pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress); 1999 2000 usb_fill_bulk_urb(urb, data->udev, pipe, 2001 skb->data, skb->len, btusb_tx_complete, skb); 2002 2003 skb->dev = (void *)hdev; 2004 2005 return urb; 2006 } 2007 2008 static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb) 2009 { 2010 struct btusb_data *data = hci_get_drvdata(hdev); 2011 struct urb *urb; 2012 unsigned int pipe; 2013 2014 if (!data->isoc_tx_ep) 2015 return ERR_PTR(-ENODEV); 2016 2017 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL); 2018 if (!urb) 2019 return ERR_PTR(-ENOMEM); 2020 2021 pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress); 2022 2023 usb_fill_int_urb(urb, data->udev, pipe, 2024 skb->data, skb->len, btusb_isoc_tx_complete, 2025 skb, data->isoc_tx_ep->bInterval); 2026 2027 urb->transfer_flags = URB_ISO_ASAP; 2028 2029 if (data->isoc_altsetting == 6) 2030 __fill_isoc_descriptor_msbc(urb, skb->len, 2031 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize), 2032 data); 2033 else 2034 __fill_isoc_descriptor(urb, skb->len, 2035 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); 2036 skb->dev = (void *)hdev; 2037 2038 return urb; 2039 } 2040 2041 static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb) 2042 { 2043 struct btusb_data *data = hci_get_drvdata(hdev); 2044 int err; 2045 2046 usb_anchor_urb(urb, &data->tx_anchor); 2047 2048 err = usb_submit_urb(urb, GFP_KERNEL); 2049 if (err < 0) { 2050 if (err != -EPERM && err != -ENODEV) 2051 bt_dev_err(hdev, "urb %p submission failed (%d)", 2052 urb, -err); 2053 kfree(urb->setup_packet); 2054 usb_unanchor_urb(urb); 2055 } else { 2056 usb_mark_last_busy(data->udev); 2057 } 2058 2059 usb_free_urb(urb); 2060 return err; 2061 } 2062 2063 static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb) 2064 { 2065 struct btusb_data *data = hci_get_drvdata(hdev); 2066 unsigned long flags; 2067 bool suspending; 2068 2069 spin_lock_irqsave(&data->txlock, flags); 2070 suspending = test_bit(BTUSB_SUSPENDING, &data->flags); 2071 if (!suspending) 2072 data->tx_in_flight++; 2073 spin_unlock_irqrestore(&data->txlock, flags); 2074 2075 if (!suspending) 2076 return submit_tx_urb(hdev, urb); 2077 2078 usb_anchor_urb(urb, &data->deferred); 2079 schedule_work(&data->waker); 2080 2081 usb_free_urb(urb); 2082 return 0; 2083 } 2084 2085 static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) 2086 { 2087 struct urb *urb; 2088 2089 BT_DBG("%s", hdev->name); 2090 2091 switch (hci_skb_pkt_type(skb)) { 2092 case HCI_COMMAND_PKT: 2093 urb = alloc_ctrl_urb(hdev, skb); 2094 if (IS_ERR(urb)) 2095 return PTR_ERR(urb); 2096 2097 hdev->stat.cmd_tx++; 2098 return submit_or_queue_tx_urb(hdev, urb); 2099 2100 case HCI_ACLDATA_PKT: 2101 urb = alloc_bulk_urb(hdev, skb); 2102 if (IS_ERR(urb)) 2103 return PTR_ERR(urb); 2104 2105 hdev->stat.acl_tx++; 2106 return submit_or_queue_tx_urb(hdev, urb); 2107 2108 case HCI_SCODATA_PKT: 2109 if (hci_conn_num(hdev, SCO_LINK) < 1) 2110 return -ENODEV; 2111 2112 urb = alloc_isoc_urb(hdev, skb); 2113 if (IS_ERR(urb)) 2114 return PTR_ERR(urb); 2115 2116 hdev->stat.sco_tx++; 2117 return submit_tx_urb(hdev, urb); 2118 2119 case HCI_ISODATA_PKT: 2120 urb = alloc_bulk_urb(hdev, skb); 2121 if (IS_ERR(urb)) 2122 return PTR_ERR(urb); 2123 2124 return submit_or_queue_tx_urb(hdev, urb); 2125 } 2126 2127 return -EILSEQ; 2128 } 2129 2130 static void btusb_notify(struct hci_dev *hdev, unsigned int evt) 2131 { 2132 struct btusb_data *data = hci_get_drvdata(hdev); 2133 2134 BT_DBG("%s evt %d", hdev->name, evt); 2135 2136 if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { 2137 data->sco_num = hci_conn_num(hdev, SCO_LINK); 2138 data->air_mode = evt; 2139 schedule_work(&data->work); 2140 } 2141 } 2142 2143 static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) 2144 { 2145 struct btusb_data *data = hci_get_drvdata(hdev); 2146 struct usb_interface *intf = data->isoc; 2147 struct usb_endpoint_descriptor *ep_desc; 2148 int i, err; 2149 2150 if (!data->isoc) 2151 return -ENODEV; 2152 2153 err = usb_set_interface(data->udev, data->isoc_ifnum, altsetting); 2154 if (err < 0) { 2155 bt_dev_err(hdev, "setting interface failed (%d)", -err); 2156 return err; 2157 } 2158 2159 data->isoc_altsetting = altsetting; 2160 2161 data->isoc_tx_ep = NULL; 2162 data->isoc_rx_ep = NULL; 2163 2164 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { 2165 ep_desc = &intf->cur_altsetting->endpoint[i].desc; 2166 2167 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { 2168 data->isoc_tx_ep = ep_desc; 2169 continue; 2170 } 2171 2172 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { 2173 data->isoc_rx_ep = ep_desc; 2174 continue; 2175 } 2176 } 2177 2178 if (!data->isoc_tx_ep || !data->isoc_rx_ep) { 2179 bt_dev_err(hdev, "invalid SCO descriptors"); 2180 return -ENODEV; 2181 } 2182 2183 return 0; 2184 } 2185 2186 static int btusb_switch_alt_setting(struct hci_dev *hdev, int new_alts) 2187 { 2188 struct btusb_data *data = hci_get_drvdata(hdev); 2189 int err; 2190 2191 if (data->isoc_altsetting != new_alts) { 2192 unsigned long flags; 2193 2194 clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 2195 usb_kill_anchored_urbs(&data->isoc_anchor); 2196 2197 /* When isochronous alternate setting needs to be 2198 * changed, because SCO connection has been added 2199 * or removed, a packet fragment may be left in the 2200 * reassembling state. This could lead to wrongly 2201 * assembled fragments. 2202 * 2203 * Clear outstanding fragment when selecting a new 2204 * alternate setting. 2205 */ 2206 spin_lock_irqsave(&data->rxlock, flags); 2207 dev_kfree_skb_irq(data->sco_skb); 2208 data->sco_skb = NULL; 2209 spin_unlock_irqrestore(&data->rxlock, flags); 2210 2211 err = __set_isoc_interface(hdev, new_alts); 2212 if (err < 0) 2213 return err; 2214 } 2215 2216 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { 2217 if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) 2218 clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 2219 else 2220 btusb_submit_isoc_urb(hdev, GFP_KERNEL); 2221 } 2222 2223 return 0; 2224 } 2225 2226 static struct usb_host_interface *btusb_find_altsetting(struct btusb_data *data, 2227 int alt) 2228 { 2229 struct usb_interface *intf = data->isoc; 2230 int i; 2231 2232 BT_DBG("Looking for Alt no :%d", alt); 2233 2234 if (!intf) 2235 return NULL; 2236 2237 for (i = 0; i < intf->num_altsetting; i++) { 2238 if (intf->altsetting[i].desc.bAlternateSetting == alt) 2239 return &intf->altsetting[i]; 2240 } 2241 2242 return NULL; 2243 } 2244 2245 static void btusb_work(struct work_struct *work) 2246 { 2247 struct btusb_data *data = container_of(work, struct btusb_data, work); 2248 struct hci_dev *hdev = data->hdev; 2249 int new_alts = 0; 2250 int err; 2251 2252 if (data->sco_num > 0) { 2253 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { 2254 err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); 2255 if (err < 0) { 2256 clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 2257 usb_kill_anchored_urbs(&data->isoc_anchor); 2258 return; 2259 } 2260 2261 set_bit(BTUSB_DID_ISO_RESUME, &data->flags); 2262 } 2263 2264 if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_CVSD) { 2265 if (hdev->voice_setting & 0x0020) { 2266 static const int alts[3] = { 2, 4, 5 }; 2267 2268 new_alts = alts[data->sco_num - 1]; 2269 } else { 2270 new_alts = data->sco_num; 2271 } 2272 } else if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_TRANSP) { 2273 /* Bluetooth USB spec recommends alt 6 (63 bytes), but 2274 * many adapters do not support it. Alt 1 appears to 2275 * work for all adapters that do not have alt 6, and 2276 * which work with WBS at all. Some devices prefer 2277 * alt 3 (HCI payload >= 60 Bytes let air packet 2278 * data satisfy 60 bytes), requiring 2279 * MTU >= 3 (packets) * 25 (size) - 3 (headers) = 72 2280 * see also Core spec 5, vol 4, B 2.1.1 & Table 2.1. 2281 */ 2282 if (btusb_find_altsetting(data, 6)) 2283 new_alts = 6; 2284 else if (btusb_find_altsetting(data, 3) && 2285 hdev->sco_mtu >= 72 && 2286 test_bit(BTUSB_USE_ALT3_FOR_WBS, &data->flags)) 2287 new_alts = 3; 2288 else 2289 new_alts = 1; 2290 } 2291 2292 if (btusb_switch_alt_setting(hdev, new_alts) < 0) 2293 bt_dev_err(hdev, "set USB alt:(%d) failed!", new_alts); 2294 } else { 2295 usb_kill_anchored_urbs(&data->isoc_anchor); 2296 2297 if (test_and_clear_bit(BTUSB_ISOC_RUNNING, &data->flags)) 2298 __set_isoc_interface(hdev, 0); 2299 2300 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) 2301 usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); 2302 } 2303 } 2304 2305 static void btusb_waker(struct work_struct *work) 2306 { 2307 struct btusb_data *data = container_of(work, struct btusb_data, waker); 2308 int err; 2309 2310 err = usb_autopm_get_interface(data->intf); 2311 if (err < 0) 2312 return; 2313 2314 usb_autopm_put_interface(data->intf); 2315 } 2316 2317 static void btusb_rx_work(struct work_struct *work) 2318 { 2319 struct btusb_data *data = container_of(work, struct btusb_data, 2320 rx_work.work); 2321 struct sk_buff *skb; 2322 2323 /* Dequeue ACL data received during the interval */ 2324 while ((skb = skb_dequeue(&data->acl_q))) 2325 data->recv_acl(data->hdev, skb); 2326 } 2327 2328 static int btusb_setup_bcm92035(struct hci_dev *hdev) 2329 { 2330 struct sk_buff *skb; 2331 u8 val = 0x00; 2332 2333 BT_DBG("%s", hdev->name); 2334 2335 skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); 2336 if (IS_ERR(skb)) 2337 bt_dev_err(hdev, "BCM92035 command failed (%ld)", PTR_ERR(skb)); 2338 else 2339 kfree_skb(skb); 2340 2341 return 0; 2342 } 2343 2344 static int btusb_setup_csr(struct hci_dev *hdev) 2345 { 2346 struct btusb_data *data = hci_get_drvdata(hdev); 2347 u16 bcdDevice = le16_to_cpu(data->udev->descriptor.bcdDevice); 2348 struct hci_rp_read_local_version *rp; 2349 struct sk_buff *skb; 2350 bool is_fake = false; 2351 int ret; 2352 2353 BT_DBG("%s", hdev->name); 2354 2355 skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, 2356 HCI_INIT_TIMEOUT); 2357 if (IS_ERR(skb)) { 2358 int err = PTR_ERR(skb); 2359 bt_dev_err(hdev, "CSR: Local version failed (%d)", err); 2360 return err; 2361 } 2362 2363 rp = skb_pull_data(skb, sizeof(*rp)); 2364 if (!rp) { 2365 bt_dev_err(hdev, "CSR: Local version length mismatch"); 2366 kfree_skb(skb); 2367 return -EIO; 2368 } 2369 2370 bt_dev_info(hdev, "CSR: Setting up dongle with HCI ver=%u rev=%04x", 2371 rp->hci_ver, le16_to_cpu(rp->hci_rev)); 2372 2373 bt_dev_info(hdev, "LMP ver=%u subver=%04x; manufacturer=%u", 2374 rp->lmp_ver, le16_to_cpu(rp->lmp_subver), 2375 le16_to_cpu(rp->manufacturer)); 2376 2377 /* Detect a wide host of Chinese controllers that aren't CSR. 2378 * 2379 * Known fake bcdDevices: 0x0100, 0x0134, 0x1915, 0x2520, 0x7558, 0x8891 2380 * 2381 * The main thing they have in common is that these are really popular low-cost 2382 * options that support newer Bluetooth versions but rely on heavy VID/PID 2383 * squatting of this poor old Bluetooth 1.1 device. Even sold as such. 2384 * 2385 * We detect actual CSR devices by checking that the HCI manufacturer code 2386 * is Cambridge Silicon Radio (10) and ensuring that LMP sub-version and 2387 * HCI rev values always match. As they both store the firmware number. 2388 */ 2389 if (le16_to_cpu(rp->manufacturer) != 10 || 2390 le16_to_cpu(rp->hci_rev) != le16_to_cpu(rp->lmp_subver)) 2391 is_fake = true; 2392 2393 /* Known legit CSR firmware build numbers and their supported BT versions: 2394 * - 1.1 (0x1) -> 0x0073, 0x020d, 0x033c, 0x034e 2395 * - 1.2 (0x2) -> 0x04d9, 0x0529 2396 * - 2.0 (0x3) -> 0x07a6, 0x07ad, 0x0c5c 2397 * - 2.1 (0x4) -> 0x149c, 0x1735, 0x1899 (0x1899 is a BlueCore4-External) 2398 * - 4.0 (0x6) -> 0x1d86, 0x2031, 0x22bb 2399 * 2400 * e.g. Real CSR dongles with LMP subversion 0x73 are old enough that 2401 * support BT 1.1 only; so it's a dead giveaway when some 2402 * third-party BT 4.0 dongle reuses it. 2403 */ 2404 else if (le16_to_cpu(rp->lmp_subver) <= 0x034e && 2405 rp->hci_ver > BLUETOOTH_VER_1_1) 2406 is_fake = true; 2407 2408 else if (le16_to_cpu(rp->lmp_subver) <= 0x0529 && 2409 rp->hci_ver > BLUETOOTH_VER_1_2) 2410 is_fake = true; 2411 2412 else if (le16_to_cpu(rp->lmp_subver) <= 0x0c5c && 2413 rp->hci_ver > BLUETOOTH_VER_2_0) 2414 is_fake = true; 2415 2416 else if (le16_to_cpu(rp->lmp_subver) <= 0x1899 && 2417 rp->hci_ver > BLUETOOTH_VER_2_1) 2418 is_fake = true; 2419 2420 else if (le16_to_cpu(rp->lmp_subver) <= 0x22bb && 2421 rp->hci_ver > BLUETOOTH_VER_4_0) 2422 is_fake = true; 2423 2424 /* Other clones which beat all the above checks */ 2425 else if (bcdDevice == 0x0134 && 2426 le16_to_cpu(rp->lmp_subver) == 0x0c5c && 2427 rp->hci_ver == BLUETOOTH_VER_2_0) 2428 is_fake = true; 2429 2430 if (is_fake) { 2431 bt_dev_warn(hdev, "CSR: Unbranded CSR clone detected; adding workarounds and force-suspending once..."); 2432 2433 /* Generally these clones have big discrepancies between 2434 * advertised features and what's actually supported. 2435 * Probably will need to be expanded in the future; 2436 * without these the controller will lock up. 2437 */ 2438 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); 2439 set_bit(HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, &hdev->quirks); 2440 set_bit(HCI_QUIRK_BROKEN_FILTER_CLEAR_ALL, &hdev->quirks); 2441 set_bit(HCI_QUIRK_NO_SUSPEND_NOTIFIER, &hdev->quirks); 2442 2443 /* Clear the reset quirk since this is not an actual 2444 * early Bluetooth 1.1 device from CSR. 2445 */ 2446 clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); 2447 clear_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); 2448 2449 /* 2450 * Special workaround for these BT 4.0 chip clones, and potentially more: 2451 * 2452 * - 0x0134: a Barrot 8041a02 (HCI rev: 0x0810 sub: 0x1012) 2453 * - 0x7558: IC markings FR3191AHAL 749H15143 (HCI rev/sub-version: 0x0709) 2454 * 2455 * These controllers are really messed-up. 2456 * 2457 * 1. Their bulk RX endpoint will never report any data unless 2458 * the device was suspended at least once (yes, really). 2459 * 2. They will not wakeup when autosuspended and receiving data 2460 * on their bulk RX endpoint from e.g. a keyboard or mouse 2461 * (IOW remote-wakeup support is broken for the bulk endpoint). 2462 * 2463 * To fix 1. enable runtime-suspend, force-suspend the 2464 * HCI and then wake-it up by disabling runtime-suspend. 2465 * 2466 * To fix 2. clear the HCI's can_wake flag, this way the HCI 2467 * will still be autosuspended when it is not open. 2468 * 2469 * -- 2470 * 2471 * Because these are widespread problems we prefer generic solutions; so 2472 * apply this initialization quirk to every controller that gets here, 2473 * it should be harmless. The alternative is to not work at all. 2474 */ 2475 pm_runtime_allow(&data->udev->dev); 2476 2477 ret = pm_runtime_suspend(&data->udev->dev); 2478 if (ret >= 0) 2479 msleep(200); 2480 else 2481 bt_dev_warn(hdev, "CSR: Couldn't suspend the device for our Barrot 8041a02 receive-issue workaround"); 2482 2483 pm_runtime_forbid(&data->udev->dev); 2484 2485 device_set_wakeup_capable(&data->udev->dev, false); 2486 2487 /* Re-enable autosuspend if this was requested */ 2488 if (enable_autosuspend) 2489 usb_enable_autosuspend(data->udev); 2490 } 2491 2492 kfree_skb(skb); 2493 2494 return 0; 2495 } 2496 2497 static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode) 2498 { 2499 struct sk_buff *skb; 2500 struct hci_event_hdr *hdr; 2501 struct hci_ev_cmd_complete *evt; 2502 2503 skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL); 2504 if (!skb) 2505 return -ENOMEM; 2506 2507 hdr = skb_put(skb, sizeof(*hdr)); 2508 hdr->evt = HCI_EV_CMD_COMPLETE; 2509 hdr->plen = sizeof(*evt) + 1; 2510 2511 evt = skb_put(skb, sizeof(*evt)); 2512 evt->ncmd = 0x01; 2513 evt->opcode = cpu_to_le16(opcode); 2514 2515 skb_put_u8(skb, 0x00); 2516 2517 hci_skb_pkt_type(skb) = HCI_EVENT_PKT; 2518 2519 return hci_recv_frame(hdev, skb); 2520 } 2521 2522 static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer, 2523 int count) 2524 { 2525 struct hci_dev *hdev = data->hdev; 2526 2527 /* When the device is in bootloader mode, then it can send 2528 * events via the bulk endpoint. These events are treated the 2529 * same way as the ones received from the interrupt endpoint. 2530 */ 2531 if (btintel_test_flag(hdev, INTEL_BOOTLOADER)) 2532 return btusb_recv_intr(data, buffer, count); 2533 2534 return btusb_recv_bulk(data, buffer, count); 2535 } 2536 2537 static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb) 2538 { 2539 struct urb *urb; 2540 2541 BT_DBG("%s", hdev->name); 2542 2543 switch (hci_skb_pkt_type(skb)) { 2544 case HCI_COMMAND_PKT: 2545 if (btintel_test_flag(hdev, INTEL_BOOTLOADER)) { 2546 struct hci_command_hdr *cmd = (void *)skb->data; 2547 __u16 opcode = le16_to_cpu(cmd->opcode); 2548 2549 /* When in bootloader mode and the command 0xfc09 2550 * is received, it needs to be send down the 2551 * bulk endpoint. So allocate a bulk URB instead. 2552 */ 2553 if (opcode == 0xfc09) 2554 urb = alloc_bulk_urb(hdev, skb); 2555 else 2556 urb = alloc_ctrl_urb(hdev, skb); 2557 2558 /* When the 0xfc01 command is issued to boot into 2559 * the operational firmware, it will actually not 2560 * send a command complete event. To keep the flow 2561 * control working inject that event here. 2562 */ 2563 if (opcode == 0xfc01) 2564 inject_cmd_complete(hdev, opcode); 2565 } else { 2566 urb = alloc_ctrl_urb(hdev, skb); 2567 } 2568 if (IS_ERR(urb)) 2569 return PTR_ERR(urb); 2570 2571 hdev->stat.cmd_tx++; 2572 return submit_or_queue_tx_urb(hdev, urb); 2573 2574 case HCI_ACLDATA_PKT: 2575 urb = alloc_bulk_urb(hdev, skb); 2576 if (IS_ERR(urb)) 2577 return PTR_ERR(urb); 2578 2579 hdev->stat.acl_tx++; 2580 return submit_or_queue_tx_urb(hdev, urb); 2581 2582 case HCI_SCODATA_PKT: 2583 if (hci_conn_num(hdev, SCO_LINK) < 1) 2584 return -ENODEV; 2585 2586 urb = alloc_isoc_urb(hdev, skb); 2587 if (IS_ERR(urb)) 2588 return PTR_ERR(urb); 2589 2590 hdev->stat.sco_tx++; 2591 return submit_tx_urb(hdev, urb); 2592 2593 case HCI_ISODATA_PKT: 2594 urb = alloc_bulk_urb(hdev, skb); 2595 if (IS_ERR(urb)) 2596 return PTR_ERR(urb); 2597 2598 return submit_or_queue_tx_urb(hdev, urb); 2599 } 2600 2601 return -EILSEQ; 2602 } 2603 2604 static int btusb_setup_realtek(struct hci_dev *hdev) 2605 { 2606 struct btusb_data *data = hci_get_drvdata(hdev); 2607 int ret; 2608 2609 ret = btrtl_setup_realtek(hdev); 2610 2611 if (btrealtek_test_flag(data->hdev, REALTEK_ALT6_CONTINUOUS_TX_CHIP)) 2612 set_bit(BTUSB_ALT6_CONTINUOUS_TX, &data->flags); 2613 2614 return ret; 2615 } 2616 2617 static int btusb_recv_event_realtek(struct hci_dev *hdev, struct sk_buff *skb) 2618 { 2619 if (skb->data[0] == HCI_VENDOR_PKT && skb->data[2] == RTK_SUB_EVENT_CODE_COREDUMP) { 2620 struct rtk_dev_coredump_hdr hdr = { 2621 .code = RTK_DEVCOREDUMP_CODE_MEMDUMP, 2622 }; 2623 2624 bt_dev_dbg(hdev, "RTL: received coredump vendor evt, len %u", 2625 skb->len); 2626 2627 btusb_rtl_alloc_devcoredump(hdev, &hdr, skb->data, skb->len); 2628 kfree_skb(skb); 2629 2630 return 0; 2631 } 2632 2633 return hci_recv_frame(hdev, skb); 2634 } 2635 2636 static void btusb_mtk_claim_iso_intf(struct btusb_data *data) 2637 { 2638 struct btmtk_data *btmtk_data = hci_get_priv(data->hdev); 2639 int err; 2640 2641 err = usb_driver_claim_interface(&btusb_driver, 2642 btmtk_data->isopkt_intf, data); 2643 if (err < 0) { 2644 btmtk_data->isopkt_intf = NULL; 2645 bt_dev_err(data->hdev, "Failed to claim iso interface"); 2646 return; 2647 } 2648 2649 set_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags); 2650 init_usb_anchor(&btmtk_data->isopkt_anchor); 2651 } 2652 2653 static void btusb_mtk_release_iso_intf(struct hci_dev *hdev) 2654 { 2655 struct btmtk_data *btmtk_data = hci_get_priv(hdev); 2656 2657 if (test_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags)) { 2658 usb_kill_anchored_urbs(&btmtk_data->isopkt_anchor); 2659 clear_bit(BTMTK_ISOPKT_RUNNING, &btmtk_data->flags); 2660 2661 dev_kfree_skb_irq(btmtk_data->isopkt_skb); 2662 btmtk_data->isopkt_skb = NULL; 2663 usb_set_intfdata(btmtk_data->isopkt_intf, NULL); 2664 usb_driver_release_interface(&btusb_driver, 2665 btmtk_data->isopkt_intf); 2666 } 2667 2668 clear_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags); 2669 } 2670 2671 static int btusb_mtk_disconnect(struct hci_dev *hdev) 2672 { 2673 /* This function describes the specific additional steps taken by MediaTek 2674 * when Bluetooth usb driver's resume function is called. 2675 */ 2676 btusb_mtk_release_iso_intf(hdev); 2677 2678 return 0; 2679 } 2680 2681 static int btusb_mtk_reset(struct hci_dev *hdev, void *rst_data) 2682 { 2683 struct btusb_data *data = hci_get_drvdata(hdev); 2684 struct btmtk_data *btmtk_data = hci_get_priv(hdev); 2685 int err; 2686 2687 /* It's MediaTek specific bluetooth reset mechanism via USB */ 2688 if (test_and_set_bit(BTMTK_HW_RESET_ACTIVE, &btmtk_data->flags)) { 2689 bt_dev_err(hdev, "last reset failed? Not resetting again"); 2690 return -EBUSY; 2691 } 2692 2693 err = usb_autopm_get_interface(data->intf); 2694 if (err < 0) 2695 return err; 2696 2697 /* Release MediaTek ISO data interface */ 2698 btusb_mtk_release_iso_intf(hdev); 2699 2700 btusb_stop_traffic(data); 2701 usb_kill_anchored_urbs(&data->tx_anchor); 2702 2703 err = btmtk_usb_subsys_reset(hdev, btmtk_data->dev_id); 2704 2705 usb_queue_reset_device(data->intf); 2706 clear_bit(BTMTK_HW_RESET_ACTIVE, &btmtk_data->flags); 2707 2708 return err; 2709 } 2710 2711 static int btusb_send_frame_mtk(struct hci_dev *hdev, struct sk_buff *skb) 2712 { 2713 struct urb *urb; 2714 2715 BT_DBG("%s", hdev->name); 2716 2717 if (hci_skb_pkt_type(skb) == HCI_ISODATA_PKT) { 2718 urb = alloc_mtk_intr_urb(hdev, skb, btusb_tx_complete); 2719 if (IS_ERR(urb)) 2720 return PTR_ERR(urb); 2721 2722 return submit_or_queue_tx_urb(hdev, urb); 2723 } else { 2724 return btusb_send_frame(hdev, skb); 2725 } 2726 } 2727 2728 static int btusb_mtk_setup(struct hci_dev *hdev) 2729 { 2730 struct btusb_data *data = hci_get_drvdata(hdev); 2731 struct btmtk_data *btmtk_data = hci_get_priv(hdev); 2732 2733 /* MediaTek WMT vendor cmd requiring below USB resources to 2734 * complete the handshake. 2735 */ 2736 btmtk_data->drv_name = btusb_driver.name; 2737 btmtk_data->intf = data->intf; 2738 btmtk_data->udev = data->udev; 2739 btmtk_data->ctrl_anchor = &data->ctrl_anchor; 2740 btmtk_data->reset_sync = btusb_mtk_reset; 2741 2742 /* Claim ISO data interface and endpoint */ 2743 if (!test_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags)) { 2744 btmtk_data->isopkt_intf = usb_ifnum_to_if(data->udev, MTK_ISO_IFNUM); 2745 btusb_mtk_claim_iso_intf(data); 2746 } 2747 2748 return btmtk_usb_setup(hdev); 2749 } 2750 2751 static int btusb_mtk_shutdown(struct hci_dev *hdev) 2752 { 2753 int ret; 2754 2755 ret = btmtk_usb_shutdown(hdev); 2756 2757 /* Release MediaTek iso interface after shutdown */ 2758 btusb_mtk_release_iso_intf(hdev); 2759 2760 return ret; 2761 } 2762 2763 #ifdef CONFIG_PM 2764 /* Configure an out-of-band gpio as wake-up pin, if specified in device tree */ 2765 static int marvell_config_oob_wake(struct hci_dev *hdev) 2766 { 2767 struct sk_buff *skb; 2768 struct btusb_data *data = hci_get_drvdata(hdev); 2769 struct device *dev = &data->udev->dev; 2770 u16 pin, gap, opcode; 2771 int ret; 2772 u8 cmd[5]; 2773 2774 /* Move on if no wakeup pin specified */ 2775 if (of_property_read_u16(dev->of_node, "marvell,wakeup-pin", &pin) || 2776 of_property_read_u16(dev->of_node, "marvell,wakeup-gap-ms", &gap)) 2777 return 0; 2778 2779 /* Vendor specific command to configure a GPIO as wake-up pin */ 2780 opcode = hci_opcode_pack(0x3F, 0x59); 2781 cmd[0] = opcode & 0xFF; 2782 cmd[1] = opcode >> 8; 2783 cmd[2] = 2; /* length of parameters that follow */ 2784 cmd[3] = pin; 2785 cmd[4] = gap; /* time in ms, for which wakeup pin should be asserted */ 2786 2787 skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); 2788 if (!skb) { 2789 bt_dev_err(hdev, "%s: No memory", __func__); 2790 return -ENOMEM; 2791 } 2792 2793 skb_put_data(skb, cmd, sizeof(cmd)); 2794 hci_skb_pkt_type(skb) = HCI_COMMAND_PKT; 2795 2796 ret = btusb_send_frame(hdev, skb); 2797 if (ret) { 2798 bt_dev_err(hdev, "%s: configuration failed", __func__); 2799 kfree_skb(skb); 2800 return ret; 2801 } 2802 2803 return 0; 2804 } 2805 #endif 2806 2807 static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, 2808 const bdaddr_t *bdaddr) 2809 { 2810 struct sk_buff *skb; 2811 u8 buf[8]; 2812 long ret; 2813 2814 buf[0] = 0xfe; 2815 buf[1] = sizeof(bdaddr_t); 2816 memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); 2817 2818 skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT); 2819 if (IS_ERR(skb)) { 2820 ret = PTR_ERR(skb); 2821 bt_dev_err(hdev, "changing Marvell device address failed (%ld)", 2822 ret); 2823 return ret; 2824 } 2825 kfree_skb(skb); 2826 2827 return 0; 2828 } 2829 2830 static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, 2831 const bdaddr_t *bdaddr) 2832 { 2833 struct sk_buff *skb; 2834 u8 buf[10]; 2835 long ret; 2836 2837 buf[0] = 0x01; 2838 buf[1] = 0x01; 2839 buf[2] = 0x00; 2840 buf[3] = sizeof(bdaddr_t); 2841 memcpy(buf + 4, bdaddr, sizeof(bdaddr_t)); 2842 2843 skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT); 2844 if (IS_ERR(skb)) { 2845 ret = PTR_ERR(skb); 2846 bt_dev_err(hdev, "Change address command failed (%ld)", ret); 2847 return ret; 2848 } 2849 kfree_skb(skb); 2850 2851 return 0; 2852 } 2853 2854 static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev, 2855 const bdaddr_t *bdaddr) 2856 { 2857 struct sk_buff *skb; 2858 u8 buf[6]; 2859 long ret; 2860 2861 memcpy(buf, bdaddr, sizeof(bdaddr_t)); 2862 2863 skb = __hci_cmd_sync_ev(hdev, 0xfc14, sizeof(buf), buf, 2864 HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT); 2865 if (IS_ERR(skb)) { 2866 ret = PTR_ERR(skb); 2867 bt_dev_err(hdev, "Change address command failed (%ld)", ret); 2868 return ret; 2869 } 2870 kfree_skb(skb); 2871 2872 return 0; 2873 } 2874 2875 #define QCA_MEMDUMP_ACL_HANDLE 0x2EDD 2876 #define QCA_MEMDUMP_SIZE_MAX 0x100000 2877 #define QCA_MEMDUMP_VSE_CLASS 0x01 2878 #define QCA_MEMDUMP_MSG_TYPE 0x08 2879 #define QCA_MEMDUMP_PKT_SIZE 248 2880 #define QCA_LAST_SEQUENCE_NUM 0xffff 2881 2882 struct qca_dump_hdr { 2883 u8 vse_class; 2884 u8 msg_type; 2885 __le16 seqno; 2886 u8 reserved; 2887 union { 2888 u8 data[0]; 2889 struct { 2890 __le32 ram_dump_size; 2891 u8 data0[0]; 2892 } __packed; 2893 }; 2894 } __packed; 2895 2896 2897 static void btusb_dump_hdr_qca(struct hci_dev *hdev, struct sk_buff *skb) 2898 { 2899 char buf[128]; 2900 struct btusb_data *btdata = hci_get_drvdata(hdev); 2901 2902 snprintf(buf, sizeof(buf), "Controller Name: 0x%x\n", 2903 btdata->qca_dump.controller_id); 2904 skb_put_data(skb, buf, strlen(buf)); 2905 2906 snprintf(buf, sizeof(buf), "Firmware Version: 0x%x\n", 2907 btdata->qca_dump.fw_version); 2908 skb_put_data(skb, buf, strlen(buf)); 2909 2910 snprintf(buf, sizeof(buf), "Driver: %s\nVendor: qca\n", 2911 btusb_driver.name); 2912 skb_put_data(skb, buf, strlen(buf)); 2913 2914 snprintf(buf, sizeof(buf), "VID: 0x%x\nPID:0x%x\n", 2915 btdata->qca_dump.id_vendor, btdata->qca_dump.id_product); 2916 skb_put_data(skb, buf, strlen(buf)); 2917 2918 snprintf(buf, sizeof(buf), "Lmp Subversion: 0x%x\n", 2919 hdev->lmp_subver); 2920 skb_put_data(skb, buf, strlen(buf)); 2921 } 2922 2923 static void btusb_coredump_qca(struct hci_dev *hdev) 2924 { 2925 int err; 2926 static const u8 param[] = { 0x26 }; 2927 2928 err = __hci_cmd_send(hdev, 0xfc0c, 1, param); 2929 if (err < 0) 2930 bt_dev_err(hdev, "%s: triggle crash failed (%d)", __func__, err); 2931 } 2932 2933 /* 2934 * ==0: not a dump pkt. 2935 * < 0: fails to handle a dump pkt 2936 * > 0: otherwise. 2937 */ 2938 static int handle_dump_pkt_qca(struct hci_dev *hdev, struct sk_buff *skb) 2939 { 2940 int ret = 1; 2941 u8 pkt_type; 2942 u8 *sk_ptr; 2943 unsigned int sk_len; 2944 u16 seqno; 2945 u32 dump_size; 2946 2947 struct hci_event_hdr *event_hdr; 2948 struct hci_acl_hdr *acl_hdr; 2949 struct qca_dump_hdr *dump_hdr; 2950 struct btusb_data *btdata = hci_get_drvdata(hdev); 2951 struct usb_device *udev = btdata->udev; 2952 2953 pkt_type = hci_skb_pkt_type(skb); 2954 sk_ptr = skb->data; 2955 sk_len = skb->len; 2956 2957 if (pkt_type == HCI_ACLDATA_PKT) { 2958 acl_hdr = hci_acl_hdr(skb); 2959 if (le16_to_cpu(acl_hdr->handle) != QCA_MEMDUMP_ACL_HANDLE) 2960 return 0; 2961 sk_ptr += HCI_ACL_HDR_SIZE; 2962 sk_len -= HCI_ACL_HDR_SIZE; 2963 event_hdr = (struct hci_event_hdr *)sk_ptr; 2964 } else { 2965 event_hdr = hci_event_hdr(skb); 2966 } 2967 2968 if ((event_hdr->evt != HCI_VENDOR_PKT) 2969 || (event_hdr->plen != (sk_len - HCI_EVENT_HDR_SIZE))) 2970 return 0; 2971 2972 sk_ptr += HCI_EVENT_HDR_SIZE; 2973 sk_len -= HCI_EVENT_HDR_SIZE; 2974 2975 dump_hdr = (struct qca_dump_hdr *)sk_ptr; 2976 if ((sk_len < offsetof(struct qca_dump_hdr, data)) 2977 || (dump_hdr->vse_class != QCA_MEMDUMP_VSE_CLASS) 2978 || (dump_hdr->msg_type != QCA_MEMDUMP_MSG_TYPE)) 2979 return 0; 2980 2981 /*it is dump pkt now*/ 2982 seqno = le16_to_cpu(dump_hdr->seqno); 2983 if (seqno == 0) { 2984 set_bit(BTUSB_HW_SSR_ACTIVE, &btdata->flags); 2985 dump_size = le32_to_cpu(dump_hdr->ram_dump_size); 2986 if (!dump_size || (dump_size > QCA_MEMDUMP_SIZE_MAX)) { 2987 ret = -EILSEQ; 2988 bt_dev_err(hdev, "Invalid memdump size(%u)", 2989 dump_size); 2990 goto out; 2991 } 2992 2993 ret = hci_devcd_init(hdev, dump_size); 2994 if (ret < 0) { 2995 bt_dev_err(hdev, "memdump init error(%d)", ret); 2996 goto out; 2997 } 2998 2999 btdata->qca_dump.ram_dump_size = dump_size; 3000 btdata->qca_dump.ram_dump_seqno = 0; 3001 sk_ptr += offsetof(struct qca_dump_hdr, data0); 3002 sk_len -= offsetof(struct qca_dump_hdr, data0); 3003 3004 usb_disable_autosuspend(udev); 3005 bt_dev_info(hdev, "%s memdump size(%u)\n", 3006 (pkt_type == HCI_ACLDATA_PKT) ? "ACL" : "event", 3007 dump_size); 3008 } else { 3009 sk_ptr += offsetof(struct qca_dump_hdr, data); 3010 sk_len -= offsetof(struct qca_dump_hdr, data); 3011 } 3012 3013 if (!btdata->qca_dump.ram_dump_size) { 3014 ret = -EINVAL; 3015 bt_dev_err(hdev, "memdump is not active"); 3016 goto out; 3017 } 3018 3019 if ((seqno > btdata->qca_dump.ram_dump_seqno + 1) && (seqno != QCA_LAST_SEQUENCE_NUM)) { 3020 dump_size = QCA_MEMDUMP_PKT_SIZE * (seqno - btdata->qca_dump.ram_dump_seqno - 1); 3021 hci_devcd_append_pattern(hdev, 0x0, dump_size); 3022 bt_dev_err(hdev, 3023 "expected memdump seqno(%u) is not received(%u)\n", 3024 btdata->qca_dump.ram_dump_seqno, seqno); 3025 btdata->qca_dump.ram_dump_seqno = seqno; 3026 kfree_skb(skb); 3027 return ret; 3028 } 3029 3030 skb_pull(skb, skb->len - sk_len); 3031 hci_devcd_append(hdev, skb); 3032 btdata->qca_dump.ram_dump_seqno++; 3033 if (seqno == QCA_LAST_SEQUENCE_NUM) { 3034 bt_dev_info(hdev, 3035 "memdump done: pkts(%u), total(%u)\n", 3036 btdata->qca_dump.ram_dump_seqno, btdata->qca_dump.ram_dump_size); 3037 3038 hci_devcd_complete(hdev); 3039 goto out; 3040 } 3041 return ret; 3042 3043 out: 3044 if (btdata->qca_dump.ram_dump_size) 3045 usb_enable_autosuspend(udev); 3046 btdata->qca_dump.ram_dump_size = 0; 3047 btdata->qca_dump.ram_dump_seqno = 0; 3048 clear_bit(BTUSB_HW_SSR_ACTIVE, &btdata->flags); 3049 3050 if (ret < 0) 3051 kfree_skb(skb); 3052 return ret; 3053 } 3054 3055 static int btusb_recv_acl_qca(struct hci_dev *hdev, struct sk_buff *skb) 3056 { 3057 if (handle_dump_pkt_qca(hdev, skb)) 3058 return 0; 3059 return hci_recv_frame(hdev, skb); 3060 } 3061 3062 static int btusb_recv_evt_qca(struct hci_dev *hdev, struct sk_buff *skb) 3063 { 3064 if (handle_dump_pkt_qca(hdev, skb)) 3065 return 0; 3066 return hci_recv_frame(hdev, skb); 3067 } 3068 3069 3070 #define QCA_DFU_PACKET_LEN 4096 3071 3072 #define QCA_GET_TARGET_VERSION 0x09 3073 #define QCA_CHECK_STATUS 0x05 3074 #define QCA_DFU_DOWNLOAD 0x01 3075 3076 #define QCA_SYSCFG_UPDATED 0x40 3077 #define QCA_PATCH_UPDATED 0x80 3078 #define QCA_DFU_TIMEOUT 3000 3079 #define QCA_FLAG_MULTI_NVM 0x80 3080 #define QCA_BT_RESET_WAIT_MS 100 3081 3082 #define WCN6855_2_0_RAM_VERSION_GF 0x400c1200 3083 #define WCN6855_2_1_RAM_VERSION_GF 0x400c1211 3084 3085 struct qca_version { 3086 __le32 rom_version; 3087 __le32 patch_version; 3088 __le32 ram_version; 3089 __u8 chip_id; 3090 __u8 platform_id; 3091 __le16 flag; 3092 __u8 reserved[4]; 3093 } __packed; 3094 3095 struct qca_rampatch_version { 3096 __le16 rom_version_high; 3097 __le16 rom_version_low; 3098 __le16 patch_version; 3099 } __packed; 3100 3101 struct qca_device_info { 3102 u32 rom_version; 3103 u8 rampatch_hdr; /* length of header in rampatch */ 3104 u8 nvm_hdr; /* length of header in NVM */ 3105 u8 ver_offset; /* offset of version structure in rampatch */ 3106 }; 3107 3108 static const struct qca_device_info qca_devices_table[] = { 3109 { 0x00000100, 20, 4, 8 }, /* Rome 1.0 */ 3110 { 0x00000101, 20, 4, 8 }, /* Rome 1.1 */ 3111 { 0x00000200, 28, 4, 16 }, /* Rome 2.0 */ 3112 { 0x00000201, 28, 4, 16 }, /* Rome 2.1 */ 3113 { 0x00000300, 28, 4, 16 }, /* Rome 3.0 */ 3114 { 0x00000302, 28, 4, 16 }, /* Rome 3.2 */ 3115 { 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */ 3116 { 0x00130200, 40, 4, 16 }, /* WCN6855 2.0 */ 3117 { 0x00130201, 40, 4, 16 }, /* WCN6855 2.1 */ 3118 { 0x00190200, 40, 4, 16 }, /* WCN785x 2.0 */ 3119 }; 3120 3121 static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request, 3122 void *data, u16 size) 3123 { 3124 int pipe, err; 3125 u8 *buf; 3126 3127 buf = kmalloc(size, GFP_KERNEL); 3128 if (!buf) 3129 return -ENOMEM; 3130 3131 /* Found some of USB hosts have IOT issues with ours so that we should 3132 * not wait until HCI layer is ready. 3133 */ 3134 pipe = usb_rcvctrlpipe(udev, 0); 3135 err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN, 3136 0, 0, buf, size, USB_CTRL_GET_TIMEOUT); 3137 if (err < 0) { 3138 dev_err(&udev->dev, "Failed to access otp area (%d)", err); 3139 goto done; 3140 } 3141 3142 memcpy(data, buf, size); 3143 3144 done: 3145 kfree(buf); 3146 3147 return err; 3148 } 3149 3150 static int btusb_setup_qca_download_fw(struct hci_dev *hdev, 3151 const struct firmware *firmware, 3152 size_t hdr_size) 3153 { 3154 struct btusb_data *btdata = hci_get_drvdata(hdev); 3155 struct usb_device *udev = btdata->udev; 3156 size_t count, size, sent = 0; 3157 int pipe, len, err; 3158 u8 *buf; 3159 3160 buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL); 3161 if (!buf) 3162 return -ENOMEM; 3163 3164 count = firmware->size; 3165 3166 size = min_t(size_t, count, hdr_size); 3167 memcpy(buf, firmware->data, size); 3168 3169 /* USB patches should go down to controller through USB path 3170 * because binary format fits to go down through USB channel. 3171 * USB control path is for patching headers and USB bulk is for 3172 * patch body. 3173 */ 3174 pipe = usb_sndctrlpipe(udev, 0); 3175 err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR, 3176 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); 3177 if (err < 0) { 3178 bt_dev_err(hdev, "Failed to send headers (%d)", err); 3179 goto done; 3180 } 3181 3182 sent += size; 3183 count -= size; 3184 3185 /* ep2 need time to switch from function acl to function dfu, 3186 * so we add 20ms delay here. 3187 */ 3188 msleep(20); 3189 3190 while (count) { 3191 size = min_t(size_t, count, QCA_DFU_PACKET_LEN); 3192 3193 memcpy(buf, firmware->data + sent, size); 3194 3195 pipe = usb_sndbulkpipe(udev, 0x02); 3196 err = usb_bulk_msg(udev, pipe, buf, size, &len, 3197 QCA_DFU_TIMEOUT); 3198 if (err < 0) { 3199 bt_dev_err(hdev, "Failed to send body at %zd of %zd (%d)", 3200 sent, firmware->size, err); 3201 break; 3202 } 3203 3204 if (size != len) { 3205 bt_dev_err(hdev, "Failed to get bulk buffer"); 3206 err = -EILSEQ; 3207 break; 3208 } 3209 3210 sent += size; 3211 count -= size; 3212 } 3213 3214 done: 3215 kfree(buf); 3216 return err; 3217 } 3218 3219 static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev, 3220 struct qca_version *ver, 3221 const struct qca_device_info *info) 3222 { 3223 struct qca_rampatch_version *rver; 3224 const struct firmware *fw; 3225 u32 ver_rom, ver_patch, rver_rom; 3226 u16 rver_rom_low, rver_rom_high, rver_patch; 3227 char fwname[64]; 3228 int err; 3229 3230 ver_rom = le32_to_cpu(ver->rom_version); 3231 ver_patch = le32_to_cpu(ver->patch_version); 3232 3233 snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom); 3234 3235 err = request_firmware(&fw, fwname, &hdev->dev); 3236 if (err) { 3237 bt_dev_err(hdev, "failed to request rampatch file: %s (%d)", 3238 fwname, err); 3239 return err; 3240 } 3241 3242 bt_dev_info(hdev, "using rampatch file: %s", fwname); 3243 3244 rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset); 3245 rver_rom_low = le16_to_cpu(rver->rom_version_low); 3246 rver_patch = le16_to_cpu(rver->patch_version); 3247 3248 if (ver_rom & ~0xffffU) { 3249 rver_rom_high = le16_to_cpu(rver->rom_version_high); 3250 rver_rom = rver_rom_high << 16 | rver_rom_low; 3251 } else { 3252 rver_rom = rver_rom_low; 3253 } 3254 3255 bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, " 3256 "firmware rome 0x%x build 0x%x", 3257 rver_rom, rver_patch, ver_rom, ver_patch); 3258 3259 if (rver_rom != ver_rom || rver_patch <= ver_patch) { 3260 bt_dev_err(hdev, "rampatch file version did not match with firmware"); 3261 err = -EINVAL; 3262 goto done; 3263 } 3264 3265 err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr); 3266 3267 done: 3268 release_firmware(fw); 3269 3270 return err; 3271 } 3272 3273 static void btusb_generate_qca_nvm_name(char *fwname, size_t max_size, 3274 const struct qca_version *ver) 3275 { 3276 u32 rom_version = le32_to_cpu(ver->rom_version); 3277 u16 flag = le16_to_cpu(ver->flag); 3278 3279 if (((flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) { 3280 /* The board_id should be split into two bytes 3281 * The 1st byte is chip ID, and the 2nd byte is platform ID 3282 * For example, board ID 0x010A, 0x01 is platform ID. 0x0A is chip ID 3283 * we have several platforms, and platform IDs are continuously added 3284 * Platform ID: 3285 * 0x00 is for Mobile 3286 * 0x01 is for X86 3287 * 0x02 is for Automotive 3288 * 0x03 is for Consumer electronic 3289 */ 3290 u16 board_id = (ver->chip_id << 8) + ver->platform_id; 3291 const char *variant; 3292 3293 switch (le32_to_cpu(ver->ram_version)) { 3294 case WCN6855_2_0_RAM_VERSION_GF: 3295 case WCN6855_2_1_RAM_VERSION_GF: 3296 variant = "_gf"; 3297 break; 3298 default: 3299 variant = ""; 3300 break; 3301 } 3302 3303 if (board_id == 0) { 3304 snprintf(fwname, max_size, "qca/nvm_usb_%08x%s.bin", 3305 rom_version, variant); 3306 } else { 3307 snprintf(fwname, max_size, "qca/nvm_usb_%08x%s_%04x.bin", 3308 rom_version, variant, board_id); 3309 } 3310 } else { 3311 snprintf(fwname, max_size, "qca/nvm_usb_%08x.bin", 3312 rom_version); 3313 } 3314 3315 } 3316 3317 static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, 3318 struct qca_version *ver, 3319 const struct qca_device_info *info) 3320 { 3321 const struct firmware *fw; 3322 char fwname[64]; 3323 int err; 3324 3325 btusb_generate_qca_nvm_name(fwname, sizeof(fwname), ver); 3326 3327 err = request_firmware(&fw, fwname, &hdev->dev); 3328 if (err) { 3329 bt_dev_err(hdev, "failed to request NVM file: %s (%d)", 3330 fwname, err); 3331 return err; 3332 } 3333 3334 bt_dev_info(hdev, "using NVM file: %s", fwname); 3335 3336 err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr); 3337 3338 release_firmware(fw); 3339 3340 return err; 3341 } 3342 3343 /* identify the ROM version and check whether patches are needed */ 3344 static bool btusb_qca_need_patch(struct usb_device *udev) 3345 { 3346 struct qca_version ver; 3347 3348 if (btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver, 3349 sizeof(ver)) < 0) 3350 return false; 3351 /* only low ROM versions need patches */ 3352 return !(le32_to_cpu(ver.rom_version) & ~0xffffU); 3353 } 3354 3355 static int btusb_setup_qca(struct hci_dev *hdev) 3356 { 3357 struct btusb_data *btdata = hci_get_drvdata(hdev); 3358 struct usb_device *udev = btdata->udev; 3359 const struct qca_device_info *info = NULL; 3360 struct qca_version ver; 3361 u32 ver_rom; 3362 u8 status; 3363 int i, err; 3364 3365 err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver, 3366 sizeof(ver)); 3367 if (err < 0) 3368 return err; 3369 3370 ver_rom = le32_to_cpu(ver.rom_version); 3371 3372 for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) { 3373 if (ver_rom == qca_devices_table[i].rom_version) 3374 info = &qca_devices_table[i]; 3375 } 3376 if (!info) { 3377 /* If the rom_version is not matched in the qca_devices_table 3378 * and the high ROM version is not zero, we assume this chip no 3379 * need to load the rampatch and nvm. 3380 */ 3381 if (ver_rom & ~0xffffU) 3382 return 0; 3383 3384 bt_dev_err(hdev, "don't support firmware rome 0x%x", ver_rom); 3385 return -ENODEV; 3386 } 3387 3388 err = btusb_qca_send_vendor_req(udev, QCA_CHECK_STATUS, &status, 3389 sizeof(status)); 3390 if (err < 0) 3391 return err; 3392 3393 if (!(status & QCA_PATCH_UPDATED)) { 3394 err = btusb_setup_qca_load_rampatch(hdev, &ver, info); 3395 if (err < 0) 3396 return err; 3397 } 3398 3399 err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver, 3400 sizeof(ver)); 3401 if (err < 0) 3402 return err; 3403 3404 btdata->qca_dump.fw_version = le32_to_cpu(ver.patch_version); 3405 btdata->qca_dump.controller_id = le32_to_cpu(ver.rom_version); 3406 3407 if (!(status & QCA_SYSCFG_UPDATED)) { 3408 err = btusb_setup_qca_load_nvm(hdev, &ver, info); 3409 if (err < 0) 3410 return err; 3411 3412 /* WCN6855 2.1 and later will reset to apply firmware downloaded here, so 3413 * wait ~100ms for reset Done then go ahead, otherwise, it maybe 3414 * cause potential enable failure. 3415 */ 3416 if (info->rom_version >= 0x00130201) 3417 msleep(QCA_BT_RESET_WAIT_MS); 3418 } 3419 3420 /* Mark HCI_OP_ENHANCED_SETUP_SYNC_CONN as broken as it doesn't seem to 3421 * work with the likes of HSP/HFP mSBC. 3422 */ 3423 set_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &hdev->quirks); 3424 3425 return 0; 3426 } 3427 3428 static inline int __set_diag_interface(struct hci_dev *hdev) 3429 { 3430 struct btusb_data *data = hci_get_drvdata(hdev); 3431 struct usb_interface *intf = data->diag; 3432 int i; 3433 3434 if (!data->diag) 3435 return -ENODEV; 3436 3437 data->diag_tx_ep = NULL; 3438 data->diag_rx_ep = NULL; 3439 3440 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { 3441 struct usb_endpoint_descriptor *ep_desc; 3442 3443 ep_desc = &intf->cur_altsetting->endpoint[i].desc; 3444 3445 if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { 3446 data->diag_tx_ep = ep_desc; 3447 continue; 3448 } 3449 3450 if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { 3451 data->diag_rx_ep = ep_desc; 3452 continue; 3453 } 3454 } 3455 3456 if (!data->diag_tx_ep || !data->diag_rx_ep) { 3457 bt_dev_err(hdev, "invalid diagnostic descriptors"); 3458 return -ENODEV; 3459 } 3460 3461 return 0; 3462 } 3463 3464 static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable) 3465 { 3466 struct btusb_data *data = hci_get_drvdata(hdev); 3467 struct sk_buff *skb; 3468 struct urb *urb; 3469 unsigned int pipe; 3470 3471 if (!data->diag_tx_ep) 3472 return ERR_PTR(-ENODEV); 3473 3474 urb = usb_alloc_urb(0, GFP_KERNEL); 3475 if (!urb) 3476 return ERR_PTR(-ENOMEM); 3477 3478 skb = bt_skb_alloc(2, GFP_KERNEL); 3479 if (!skb) { 3480 usb_free_urb(urb); 3481 return ERR_PTR(-ENOMEM); 3482 } 3483 3484 skb_put_u8(skb, 0xf0); 3485 skb_put_u8(skb, enable); 3486 3487 pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress); 3488 3489 usb_fill_bulk_urb(urb, data->udev, pipe, 3490 skb->data, skb->len, btusb_tx_complete, skb); 3491 3492 skb->dev = (void *)hdev; 3493 3494 return urb; 3495 } 3496 3497 static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable) 3498 { 3499 struct btusb_data *data = hci_get_drvdata(hdev); 3500 struct urb *urb; 3501 3502 if (!data->diag) 3503 return -ENODEV; 3504 3505 if (!test_bit(HCI_RUNNING, &hdev->flags)) 3506 return -ENETDOWN; 3507 3508 urb = alloc_diag_urb(hdev, enable); 3509 if (IS_ERR(urb)) 3510 return PTR_ERR(urb); 3511 3512 return submit_or_queue_tx_urb(hdev, urb); 3513 } 3514 3515 #ifdef CONFIG_PM 3516 static irqreturn_t btusb_oob_wake_handler(int irq, void *priv) 3517 { 3518 struct btusb_data *data = priv; 3519 3520 pm_wakeup_event(&data->udev->dev, 0); 3521 pm_system_wakeup(); 3522 3523 /* Disable only if not already disabled (keep it balanced) */ 3524 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) { 3525 disable_irq_nosync(irq); 3526 disable_irq_wake(irq); 3527 } 3528 return IRQ_HANDLED; 3529 } 3530 3531 static const struct of_device_id btusb_match_table[] = { 3532 { .compatible = "usb1286,204e" }, 3533 { .compatible = "usbcf3,e300" }, /* QCA6174A */ 3534 { .compatible = "usb4ca,301a" }, /* QCA6174A (Lite-On) */ 3535 { } 3536 }; 3537 MODULE_DEVICE_TABLE(of, btusb_match_table); 3538 3539 /* Use an oob wakeup pin? */ 3540 static int btusb_config_oob_wake(struct hci_dev *hdev) 3541 { 3542 struct btusb_data *data = hci_get_drvdata(hdev); 3543 struct device *dev = &data->udev->dev; 3544 int irq, ret; 3545 3546 clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags); 3547 3548 if (!of_match_device(btusb_match_table, dev)) 3549 return 0; 3550 3551 /* Move on if no IRQ specified */ 3552 irq = of_irq_get_byname(dev->of_node, "wakeup"); 3553 if (irq <= 0) { 3554 bt_dev_dbg(hdev, "%s: no OOB Wakeup IRQ in DT", __func__); 3555 return 0; 3556 } 3557 3558 irq_set_status_flags(irq, IRQ_NOAUTOEN); 3559 ret = devm_request_irq(&hdev->dev, irq, btusb_oob_wake_handler, 3560 0, "OOB Wake-on-BT", data); 3561 if (ret) { 3562 bt_dev_err(hdev, "%s: IRQ request failed", __func__); 3563 return ret; 3564 } 3565 3566 ret = device_init_wakeup(dev, true); 3567 if (ret) { 3568 bt_dev_err(hdev, "%s: failed to init_wakeup", __func__); 3569 return ret; 3570 } 3571 3572 data->oob_wake_irq = irq; 3573 bt_dev_info(hdev, "OOB Wake-on-BT configured at IRQ %u", irq); 3574 return 0; 3575 } 3576 #endif 3577 3578 static void btusb_check_needs_reset_resume(struct usb_interface *intf) 3579 { 3580 if (dmi_check_system(btusb_needs_reset_resume_table)) 3581 interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME; 3582 } 3583 3584 static bool btusb_wakeup(struct hci_dev *hdev) 3585 { 3586 struct btusb_data *data = hci_get_drvdata(hdev); 3587 3588 return device_may_wakeup(&data->udev->dev); 3589 } 3590 3591 static int btusb_shutdown_qca(struct hci_dev *hdev) 3592 { 3593 struct sk_buff *skb; 3594 3595 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); 3596 if (IS_ERR(skb)) { 3597 bt_dev_err(hdev, "HCI reset during shutdown failed"); 3598 return PTR_ERR(skb); 3599 } 3600 kfree_skb(skb); 3601 3602 return 0; 3603 } 3604 3605 static ssize_t force_poll_sync_read(struct file *file, char __user *user_buf, 3606 size_t count, loff_t *ppos) 3607 { 3608 struct btusb_data *data = file->private_data; 3609 char buf[3]; 3610 3611 buf[0] = data->poll_sync ? 'Y' : 'N'; 3612 buf[1] = '\n'; 3613 buf[2] = '\0'; 3614 return simple_read_from_buffer(user_buf, count, ppos, buf, 2); 3615 } 3616 3617 static ssize_t force_poll_sync_write(struct file *file, 3618 const char __user *user_buf, 3619 size_t count, loff_t *ppos) 3620 { 3621 struct btusb_data *data = file->private_data; 3622 bool enable; 3623 int err; 3624 3625 err = kstrtobool_from_user(user_buf, count, &enable); 3626 if (err) 3627 return err; 3628 3629 /* Only allow changes while the adapter is down */ 3630 if (test_bit(HCI_UP, &data->hdev->flags)) 3631 return -EPERM; 3632 3633 if (data->poll_sync == enable) 3634 return -EALREADY; 3635 3636 data->poll_sync = enable; 3637 3638 return count; 3639 } 3640 3641 static const struct file_operations force_poll_sync_fops = { 3642 .open = simple_open, 3643 .read = force_poll_sync_read, 3644 .write = force_poll_sync_write, 3645 .llseek = default_llseek, 3646 }; 3647 3648 static int btusb_probe(struct usb_interface *intf, 3649 const struct usb_device_id *id) 3650 { 3651 struct usb_endpoint_descriptor *ep_desc; 3652 struct gpio_desc *reset_gpio; 3653 struct btusb_data *data; 3654 struct hci_dev *hdev; 3655 unsigned ifnum_base; 3656 int i, err, priv_size; 3657 3658 BT_DBG("intf %p id %p", intf, id); 3659 3660 if ((id->driver_info & BTUSB_IFNUM_2) && 3661 (intf->cur_altsetting->desc.bInterfaceNumber != 0) && 3662 (intf->cur_altsetting->desc.bInterfaceNumber != 2)) 3663 return -ENODEV; 3664 3665 ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber; 3666 3667 if (!id->driver_info) { 3668 const struct usb_device_id *match; 3669 3670 match = usb_match_id(intf, quirks_table); 3671 if (match) 3672 id = match; 3673 } 3674 3675 if (id->driver_info == BTUSB_IGNORE) 3676 return -ENODEV; 3677 3678 if (id->driver_info & BTUSB_ATH3012) { 3679 struct usb_device *udev = interface_to_usbdev(intf); 3680 3681 /* Old firmware would otherwise let ath3k driver load 3682 * patch and sysconfig files 3683 */ 3684 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001 && 3685 !btusb_qca_need_patch(udev)) 3686 return -ENODEV; 3687 } 3688 3689 data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); 3690 if (!data) 3691 return -ENOMEM; 3692 3693 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { 3694 ep_desc = &intf->cur_altsetting->endpoint[i].desc; 3695 3696 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { 3697 data->intr_ep = ep_desc; 3698 continue; 3699 } 3700 3701 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { 3702 data->bulk_tx_ep = ep_desc; 3703 continue; 3704 } 3705 3706 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { 3707 data->bulk_rx_ep = ep_desc; 3708 continue; 3709 } 3710 } 3711 3712 if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) 3713 return -ENODEV; 3714 3715 if (id->driver_info & BTUSB_AMP) { 3716 data->cmdreq_type = USB_TYPE_CLASS | 0x01; 3717 data->cmdreq = 0x2b; 3718 } else { 3719 data->cmdreq_type = USB_TYPE_CLASS; 3720 data->cmdreq = 0x00; 3721 } 3722 3723 data->udev = interface_to_usbdev(intf); 3724 data->intf = intf; 3725 3726 INIT_WORK(&data->work, btusb_work); 3727 INIT_WORK(&data->waker, btusb_waker); 3728 INIT_DELAYED_WORK(&data->rx_work, btusb_rx_work); 3729 3730 skb_queue_head_init(&data->acl_q); 3731 3732 init_usb_anchor(&data->deferred); 3733 init_usb_anchor(&data->tx_anchor); 3734 spin_lock_init(&data->txlock); 3735 3736 init_usb_anchor(&data->intr_anchor); 3737 init_usb_anchor(&data->bulk_anchor); 3738 init_usb_anchor(&data->isoc_anchor); 3739 init_usb_anchor(&data->diag_anchor); 3740 init_usb_anchor(&data->ctrl_anchor); 3741 spin_lock_init(&data->rxlock); 3742 3743 priv_size = 0; 3744 3745 data->recv_event = hci_recv_frame; 3746 data->recv_bulk = btusb_recv_bulk; 3747 3748 if (id->driver_info & BTUSB_INTEL_COMBINED) { 3749 /* Allocate extra space for Intel device */ 3750 priv_size += sizeof(struct btintel_data); 3751 3752 /* Override the rx handlers */ 3753 data->recv_event = btintel_recv_event; 3754 data->recv_bulk = btusb_recv_bulk_intel; 3755 } else if (id->driver_info & BTUSB_REALTEK) { 3756 /* Allocate extra space for Realtek device */ 3757 priv_size += sizeof(struct btrealtek_data); 3758 3759 data->recv_event = btusb_recv_event_realtek; 3760 } else if (id->driver_info & BTUSB_MEDIATEK) { 3761 /* Allocate extra space for Mediatek device */ 3762 priv_size += sizeof(struct btmtk_data); 3763 } 3764 3765 data->recv_acl = hci_recv_frame; 3766 3767 hdev = hci_alloc_dev_priv(priv_size); 3768 if (!hdev) 3769 return -ENOMEM; 3770 3771 hdev->bus = HCI_USB; 3772 hci_set_drvdata(hdev, data); 3773 3774 data->hdev = hdev; 3775 3776 SET_HCIDEV_DEV(hdev, &intf->dev); 3777 3778 reset_gpio = gpiod_get_optional(&data->udev->dev, "reset", 3779 GPIOD_OUT_LOW); 3780 if (IS_ERR(reset_gpio)) { 3781 err = PTR_ERR(reset_gpio); 3782 goto out_free_dev; 3783 } else if (reset_gpio) { 3784 data->reset_gpio = reset_gpio; 3785 } 3786 3787 hdev->open = btusb_open; 3788 hdev->close = btusb_close; 3789 hdev->flush = btusb_flush; 3790 hdev->send = btusb_send_frame; 3791 hdev->notify = btusb_notify; 3792 hdev->wakeup = btusb_wakeup; 3793 3794 #ifdef CONFIG_PM 3795 err = btusb_config_oob_wake(hdev); 3796 if (err) 3797 goto out_free_dev; 3798 3799 /* Marvell devices may need a specific chip configuration */ 3800 if (id->driver_info & BTUSB_MARVELL && data->oob_wake_irq) { 3801 err = marvell_config_oob_wake(hdev); 3802 if (err) 3803 goto out_free_dev; 3804 } 3805 #endif 3806 if (id->driver_info & BTUSB_CW6622) 3807 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); 3808 3809 if (id->driver_info & BTUSB_BCM2045) 3810 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); 3811 3812 if (id->driver_info & BTUSB_BCM92035) 3813 hdev->setup = btusb_setup_bcm92035; 3814 3815 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && 3816 (id->driver_info & BTUSB_BCM_PATCHRAM)) { 3817 hdev->manufacturer = 15; 3818 hdev->setup = btbcm_setup_patchram; 3819 hdev->set_diag = btusb_bcm_set_diag; 3820 hdev->set_bdaddr = btbcm_set_bdaddr; 3821 3822 /* Broadcom LM_DIAG Interface numbers are hardcoded */ 3823 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2); 3824 } 3825 3826 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && 3827 (id->driver_info & BTUSB_BCM_APPLE)) { 3828 hdev->manufacturer = 15; 3829 hdev->setup = btbcm_setup_apple; 3830 hdev->set_diag = btusb_bcm_set_diag; 3831 3832 /* Broadcom LM_DIAG Interface numbers are hardcoded */ 3833 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2); 3834 } 3835 3836 /* Combined Intel Device setup to support multiple setup routine */ 3837 if (id->driver_info & BTUSB_INTEL_COMBINED) { 3838 err = btintel_configure_setup(hdev, btusb_driver.name); 3839 if (err) 3840 goto out_free_dev; 3841 3842 /* Transport specific configuration */ 3843 hdev->send = btusb_send_frame_intel; 3844 hdev->cmd_timeout = btusb_intel_cmd_timeout; 3845 3846 if (id->driver_info & BTUSB_INTEL_NO_WBS_SUPPORT) 3847 btintel_set_flag(hdev, INTEL_ROM_LEGACY_NO_WBS_SUPPORT); 3848 3849 if (id->driver_info & BTUSB_INTEL_BROKEN_INITIAL_NCMD) 3850 btintel_set_flag(hdev, INTEL_BROKEN_INITIAL_NCMD); 3851 3852 if (id->driver_info & BTUSB_INTEL_BROKEN_SHUTDOWN_LED) 3853 btintel_set_flag(hdev, INTEL_BROKEN_SHUTDOWN_LED); 3854 } 3855 3856 if (id->driver_info & BTUSB_MARVELL) 3857 hdev->set_bdaddr = btusb_set_bdaddr_marvell; 3858 3859 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_MTK) && 3860 (id->driver_info & BTUSB_MEDIATEK)) { 3861 hdev->setup = btusb_mtk_setup; 3862 hdev->shutdown = btusb_mtk_shutdown; 3863 hdev->manufacturer = 70; 3864 hdev->cmd_timeout = btmtk_reset_sync; 3865 hdev->set_bdaddr = btmtk_set_bdaddr; 3866 hdev->send = btusb_send_frame_mtk; 3867 set_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &hdev->quirks); 3868 set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks); 3869 data->recv_acl = btmtk_usb_recv_acl; 3870 data->suspend = btmtk_usb_suspend; 3871 data->resume = btmtk_usb_resume; 3872 data->disconnect = btusb_mtk_disconnect; 3873 } 3874 3875 if (id->driver_info & BTUSB_SWAVE) { 3876 set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks); 3877 set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks); 3878 } 3879 3880 if (id->driver_info & BTUSB_INTEL_BOOT) { 3881 hdev->manufacturer = 2; 3882 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); 3883 } 3884 3885 if (id->driver_info & BTUSB_ATH3012) { 3886 data->setup_on_usb = btusb_setup_qca; 3887 hdev->set_bdaddr = btusb_set_bdaddr_ath3012; 3888 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); 3889 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); 3890 } 3891 3892 if (id->driver_info & BTUSB_QCA_ROME) { 3893 data->setup_on_usb = btusb_setup_qca; 3894 hdev->shutdown = btusb_shutdown_qca; 3895 hdev->set_bdaddr = btusb_set_bdaddr_ath3012; 3896 hdev->cmd_timeout = btusb_qca_cmd_timeout; 3897 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); 3898 btusb_check_needs_reset_resume(intf); 3899 } 3900 3901 if (id->driver_info & BTUSB_QCA_WCN6855) { 3902 data->qca_dump.id_vendor = id->idVendor; 3903 data->qca_dump.id_product = id->idProduct; 3904 data->recv_event = btusb_recv_evt_qca; 3905 data->recv_acl = btusb_recv_acl_qca; 3906 hci_devcd_register(hdev, btusb_coredump_qca, btusb_dump_hdr_qca, NULL); 3907 data->setup_on_usb = btusb_setup_qca; 3908 hdev->shutdown = btusb_shutdown_qca; 3909 hdev->set_bdaddr = btusb_set_bdaddr_wcn6855; 3910 hdev->cmd_timeout = btusb_qca_cmd_timeout; 3911 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); 3912 hci_set_msft_opcode(hdev, 0xFD70); 3913 } 3914 3915 if (id->driver_info & BTUSB_AMP) { 3916 /* AMP controllers do not support SCO packets */ 3917 data->isoc = NULL; 3918 } else { 3919 /* Interface orders are hardcoded in the specification */ 3920 data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1); 3921 data->isoc_ifnum = ifnum_base + 1; 3922 } 3923 3924 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_RTL) && 3925 (id->driver_info & BTUSB_REALTEK)) { 3926 btrtl_set_driver_name(hdev, btusb_driver.name); 3927 hdev->setup = btusb_setup_realtek; 3928 hdev->shutdown = btrtl_shutdown_realtek; 3929 hdev->cmd_timeout = btusb_rtl_cmd_timeout; 3930 hdev->hw_error = btusb_rtl_hw_error; 3931 3932 /* Realtek devices need to set remote wakeup on auto-suspend */ 3933 set_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags); 3934 set_bit(BTUSB_USE_ALT3_FOR_WBS, &data->flags); 3935 } 3936 3937 if (id->driver_info & BTUSB_ACTIONS_SEMI) { 3938 /* Support is advertised, but not implemented */ 3939 set_bit(HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, &hdev->quirks); 3940 set_bit(HCI_QUIRK_BROKEN_READ_TRANSMIT_POWER, &hdev->quirks); 3941 set_bit(HCI_QUIRK_BROKEN_SET_RPA_TIMEOUT, &hdev->quirks); 3942 set_bit(HCI_QUIRK_BROKEN_EXT_SCAN, &hdev->quirks); 3943 set_bit(HCI_QUIRK_BROKEN_READ_ENC_KEY_SIZE, &hdev->quirks); 3944 set_bit(HCI_QUIRK_BROKEN_EXT_CREATE_CONN, &hdev->quirks); 3945 set_bit(HCI_QUIRK_BROKEN_WRITE_AUTH_PAYLOAD_TIMEOUT, &hdev->quirks); 3946 } 3947 3948 if (!reset) 3949 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); 3950 3951 if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { 3952 if (!disable_scofix) 3953 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); 3954 } 3955 3956 if (id->driver_info & BTUSB_BROKEN_ISOC) 3957 data->isoc = NULL; 3958 3959 if (id->driver_info & BTUSB_WIDEBAND_SPEECH) 3960 set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks); 3961 3962 if (id->driver_info & BTUSB_INVALID_LE_STATES) 3963 set_bit(HCI_QUIRK_BROKEN_LE_STATES, &hdev->quirks); 3964 3965 if (id->driver_info & BTUSB_DIGIANSWER) { 3966 data->cmdreq_type = USB_TYPE_VENDOR; 3967 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); 3968 } 3969 3970 if (id->driver_info & BTUSB_CSR) { 3971 struct usb_device *udev = data->udev; 3972 u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); 3973 3974 /* Old firmware would otherwise execute USB reset */ 3975 if (bcdDevice < 0x117) 3976 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); 3977 3978 /* This must be set first in case we disable it for fakes */ 3979 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); 3980 3981 /* Fake CSR devices with broken commands */ 3982 if (le16_to_cpu(udev->descriptor.idVendor) == 0x0a12 && 3983 le16_to_cpu(udev->descriptor.idProduct) == 0x0001) 3984 hdev->setup = btusb_setup_csr; 3985 } 3986 3987 if (id->driver_info & BTUSB_SNIFFER) { 3988 struct usb_device *udev = data->udev; 3989 3990 /* New sniffer firmware has crippled HCI interface */ 3991 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) 3992 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); 3993 } 3994 3995 if (id->driver_info & BTUSB_INTEL_BOOT) { 3996 /* A bug in the bootloader causes that interrupt interface is 3997 * only enabled after receiving SetInterface(0, AltSetting=0). 3998 */ 3999 err = usb_set_interface(data->udev, 0, 0); 4000 if (err < 0) { 4001 BT_ERR("failed to set interface 0, alt 0 %d", err); 4002 goto out_free_dev; 4003 } 4004 } 4005 4006 if (data->isoc) { 4007 err = usb_driver_claim_interface(&btusb_driver, 4008 data->isoc, data); 4009 if (err < 0) 4010 goto out_free_dev; 4011 } 4012 4013 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && data->diag) { 4014 if (!usb_driver_claim_interface(&btusb_driver, 4015 data->diag, data)) 4016 __set_diag_interface(hdev); 4017 else 4018 data->diag = NULL; 4019 } 4020 4021 if (enable_autosuspend) 4022 usb_enable_autosuspend(data->udev); 4023 4024 data->poll_sync = enable_poll_sync; 4025 4026 err = hci_register_dev(hdev); 4027 if (err < 0) 4028 goto out_free_dev; 4029 4030 usb_set_intfdata(intf, data); 4031 4032 debugfs_create_file("force_poll_sync", 0644, hdev->debugfs, data, 4033 &force_poll_sync_fops); 4034 4035 return 0; 4036 4037 out_free_dev: 4038 if (data->reset_gpio) 4039 gpiod_put(data->reset_gpio); 4040 hci_free_dev(hdev); 4041 return err; 4042 } 4043 4044 static void btusb_disconnect(struct usb_interface *intf) 4045 { 4046 struct btusb_data *data = usb_get_intfdata(intf); 4047 struct hci_dev *hdev; 4048 4049 BT_DBG("intf %p", intf); 4050 4051 if (!data) 4052 return; 4053 4054 hdev = data->hdev; 4055 usb_set_intfdata(data->intf, NULL); 4056 4057 if (data->isoc) 4058 usb_set_intfdata(data->isoc, NULL); 4059 4060 if (data->diag) 4061 usb_set_intfdata(data->diag, NULL); 4062 4063 if (data->disconnect) 4064 data->disconnect(hdev); 4065 4066 hci_unregister_dev(hdev); 4067 4068 if (intf == data->intf) { 4069 if (data->isoc) 4070 usb_driver_release_interface(&btusb_driver, data->isoc); 4071 if (data->diag) 4072 usb_driver_release_interface(&btusb_driver, data->diag); 4073 } else if (intf == data->isoc) { 4074 if (data->diag) 4075 usb_driver_release_interface(&btusb_driver, data->diag); 4076 usb_driver_release_interface(&btusb_driver, data->intf); 4077 } else if (intf == data->diag) { 4078 usb_driver_release_interface(&btusb_driver, data->intf); 4079 if (data->isoc) 4080 usb_driver_release_interface(&btusb_driver, data->isoc); 4081 } 4082 4083 if (data->oob_wake_irq) 4084 device_init_wakeup(&data->udev->dev, false); 4085 4086 if (data->reset_gpio) 4087 gpiod_put(data->reset_gpio); 4088 4089 hci_free_dev(hdev); 4090 } 4091 4092 #ifdef CONFIG_PM 4093 static int btusb_suspend(struct usb_interface *intf, pm_message_t message) 4094 { 4095 struct btusb_data *data = usb_get_intfdata(intf); 4096 4097 BT_DBG("intf %p", intf); 4098 4099 /* Don't auto-suspend if there are connections; external suspend calls 4100 * shall never fail. 4101 */ 4102 if (PMSG_IS_AUTO(message) && hci_conn_count(data->hdev)) 4103 return -EBUSY; 4104 4105 if (data->suspend_count++) 4106 return 0; 4107 4108 spin_lock_irq(&data->txlock); 4109 if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { 4110 set_bit(BTUSB_SUSPENDING, &data->flags); 4111 spin_unlock_irq(&data->txlock); 4112 } else { 4113 spin_unlock_irq(&data->txlock); 4114 data->suspend_count--; 4115 return -EBUSY; 4116 } 4117 4118 cancel_work_sync(&data->work); 4119 4120 if (data->suspend) 4121 data->suspend(data->hdev); 4122 4123 btusb_stop_traffic(data); 4124 usb_kill_anchored_urbs(&data->tx_anchor); 4125 4126 if (data->oob_wake_irq && device_may_wakeup(&data->udev->dev)) { 4127 set_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags); 4128 enable_irq_wake(data->oob_wake_irq); 4129 enable_irq(data->oob_wake_irq); 4130 } 4131 4132 /* For global suspend, Realtek devices lose the loaded fw 4133 * in them. But for autosuspend, firmware should remain. 4134 * Actually, it depends on whether the usb host sends 4135 * set feature (enable wakeup) or not. 4136 */ 4137 if (test_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags)) { 4138 if (PMSG_IS_AUTO(message) && 4139 device_can_wakeup(&data->udev->dev)) 4140 data->udev->do_remote_wakeup = 1; 4141 else if (!PMSG_IS_AUTO(message) && 4142 !device_may_wakeup(&data->udev->dev)) { 4143 data->udev->do_remote_wakeup = 0; 4144 data->udev->reset_resume = 1; 4145 } 4146 } 4147 4148 return 0; 4149 } 4150 4151 static void play_deferred(struct btusb_data *data) 4152 { 4153 struct urb *urb; 4154 int err; 4155 4156 while ((urb = usb_get_from_anchor(&data->deferred))) { 4157 usb_anchor_urb(urb, &data->tx_anchor); 4158 4159 err = usb_submit_urb(urb, GFP_ATOMIC); 4160 if (err < 0) { 4161 if (err != -EPERM && err != -ENODEV) 4162 BT_ERR("%s urb %p submission failed (%d)", 4163 data->hdev->name, urb, -err); 4164 kfree(urb->setup_packet); 4165 usb_unanchor_urb(urb); 4166 usb_free_urb(urb); 4167 break; 4168 } 4169 4170 data->tx_in_flight++; 4171 usb_free_urb(urb); 4172 } 4173 4174 /* Cleanup the rest deferred urbs. */ 4175 while ((urb = usb_get_from_anchor(&data->deferred))) { 4176 kfree(urb->setup_packet); 4177 usb_free_urb(urb); 4178 } 4179 } 4180 4181 static int btusb_resume(struct usb_interface *intf) 4182 { 4183 struct btusb_data *data = usb_get_intfdata(intf); 4184 struct hci_dev *hdev = data->hdev; 4185 int err = 0; 4186 4187 BT_DBG("intf %p", intf); 4188 4189 if (--data->suspend_count) 4190 return 0; 4191 4192 /* Disable only if not already disabled (keep it balanced) */ 4193 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) { 4194 disable_irq(data->oob_wake_irq); 4195 disable_irq_wake(data->oob_wake_irq); 4196 } 4197 4198 if (!test_bit(HCI_RUNNING, &hdev->flags)) 4199 goto done; 4200 4201 if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { 4202 err = btusb_submit_intr_urb(hdev, GFP_NOIO); 4203 if (err < 0) { 4204 clear_bit(BTUSB_INTR_RUNNING, &data->flags); 4205 goto failed; 4206 } 4207 } 4208 4209 if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { 4210 err = btusb_submit_bulk_urb(hdev, GFP_NOIO); 4211 if (err < 0) { 4212 clear_bit(BTUSB_BULK_RUNNING, &data->flags); 4213 goto failed; 4214 } 4215 4216 btusb_submit_bulk_urb(hdev, GFP_NOIO); 4217 } 4218 4219 if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { 4220 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) 4221 clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 4222 else 4223 btusb_submit_isoc_urb(hdev, GFP_NOIO); 4224 } 4225 4226 if (data->resume) 4227 data->resume(hdev); 4228 4229 spin_lock_irq(&data->txlock); 4230 play_deferred(data); 4231 clear_bit(BTUSB_SUSPENDING, &data->flags); 4232 spin_unlock_irq(&data->txlock); 4233 schedule_work(&data->work); 4234 4235 return 0; 4236 4237 failed: 4238 usb_scuttle_anchored_urbs(&data->deferred); 4239 done: 4240 spin_lock_irq(&data->txlock); 4241 clear_bit(BTUSB_SUSPENDING, &data->flags); 4242 spin_unlock_irq(&data->txlock); 4243 4244 return err; 4245 } 4246 #endif 4247 4248 #ifdef CONFIG_DEV_COREDUMP 4249 static void btusb_coredump(struct device *dev) 4250 { 4251 struct btusb_data *data = dev_get_drvdata(dev); 4252 struct hci_dev *hdev = data->hdev; 4253 4254 if (hdev->dump.coredump) 4255 hdev->dump.coredump(hdev); 4256 } 4257 #endif 4258 4259 static struct usb_driver btusb_driver = { 4260 .name = "btusb", 4261 .probe = btusb_probe, 4262 .disconnect = btusb_disconnect, 4263 #ifdef CONFIG_PM 4264 .suspend = btusb_suspend, 4265 .resume = btusb_resume, 4266 #endif 4267 .id_table = btusb_table, 4268 .supports_autosuspend = 1, 4269 .disable_hub_initiated_lpm = 1, 4270 4271 #ifdef CONFIG_DEV_COREDUMP 4272 .driver = { 4273 .coredump = btusb_coredump, 4274 }, 4275 #endif 4276 }; 4277 4278 module_usb_driver(btusb_driver); 4279 4280 module_param(disable_scofix, bool, 0644); 4281 MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); 4282 4283 module_param(force_scofix, bool, 0644); 4284 MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); 4285 4286 module_param(enable_autosuspend, bool, 0644); 4287 MODULE_PARM_DESC(enable_autosuspend, "Enable USB autosuspend by default"); 4288 4289 module_param(reset, bool, 0644); 4290 MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); 4291 4292 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); 4293 MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); 4294 MODULE_VERSION(VERSION); 4295 MODULE_LICENSE("GPL"); 4296