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 #include <net/bluetooth/hci_drv.h> 25 26 #include "btintel.h" 27 #include "btbcm.h" 28 #include "btrtl.h" 29 #include "btmtk.h" 30 31 #define VERSION "0.8" 32 33 static bool disable_scofix; 34 static bool force_scofix; 35 static bool enable_autosuspend = IS_ENABLED(CONFIG_BT_HCIBTUSB_AUTOSUSPEND); 36 static bool enable_poll_sync = IS_ENABLED(CONFIG_BT_HCIBTUSB_POLL_SYNC); 37 static bool reset = true; 38 39 static struct usb_driver btusb_driver; 40 41 #define BTUSB_IGNORE BIT(0) 42 #define BTUSB_DIGIANSWER BIT(1) 43 #define BTUSB_CSR BIT(2) 44 #define BTUSB_SNIFFER BIT(3) 45 #define BTUSB_BCM92035 BIT(4) 46 #define BTUSB_BROKEN_ISOC BIT(5) 47 #define BTUSB_WRONG_SCO_MTU BIT(6) 48 #define BTUSB_ATH3012 BIT(7) 49 #define BTUSB_INTEL_COMBINED BIT(8) 50 #define BTUSB_INTEL_BOOT BIT(9) 51 #define BTUSB_BCM_PATCHRAM BIT(10) 52 #define BTUSB_MARVELL BIT(11) 53 #define BTUSB_SWAVE BIT(12) 54 #define BTUSB_AMP BIT(13) 55 #define BTUSB_QCA_ROME BIT(14) 56 #define BTUSB_BCM_APPLE BIT(15) 57 #define BTUSB_REALTEK BIT(16) 58 #define BTUSB_BCM2045 BIT(17) 59 #define BTUSB_IFNUM_2 BIT(18) 60 #define BTUSB_CW6622 BIT(19) 61 #define BTUSB_MEDIATEK BIT(20) 62 #define BTUSB_WIDEBAND_SPEECH BIT(21) 63 #define BTUSB_INVALID_LE_STATES BIT(22) 64 #define BTUSB_QCA_WCN6855 BIT(23) 65 #define BTUSB_INTEL_BROKEN_SHUTDOWN_LED BIT(24) 66 #define BTUSB_INTEL_BROKEN_INITIAL_NCMD BIT(25) 67 #define BTUSB_INTEL_NO_WBS_SUPPORT BIT(26) 68 #define BTUSB_ACTIONS_SEMI BIT(27) 69 #define BTUSB_BARROT BIT(28) 70 71 static const struct usb_device_id btusb_table[] = { 72 /* Generic Bluetooth USB device */ 73 { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, 74 75 /* Generic Bluetooth AMP device */ 76 { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP }, 77 78 /* Generic Bluetooth USB interface */ 79 { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) }, 80 81 /* Apple-specific (Broadcom) devices */ 82 { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01), 83 .driver_info = BTUSB_BCM_APPLE | BTUSB_IFNUM_2 }, 84 85 /* MediaTek MT76x0E */ 86 { USB_DEVICE(0x0e8d, 0x763f) }, 87 88 /* Broadcom SoftSailing reporting vendor specific */ 89 { USB_DEVICE(0x0a5c, 0x21e1) }, 90 91 /* Apple MacBookPro 7,1 */ 92 { USB_DEVICE(0x05ac, 0x8213) }, 93 94 /* Apple iMac11,1 */ 95 { USB_DEVICE(0x05ac, 0x8215) }, 96 97 /* Apple MacBookPro6,2 */ 98 { USB_DEVICE(0x05ac, 0x8218) }, 99 100 /* Apple MacBookAir3,1, MacBookAir3,2 */ 101 { USB_DEVICE(0x05ac, 0x821b) }, 102 103 /* Apple MacBookAir4,1 */ 104 { USB_DEVICE(0x05ac, 0x821f) }, 105 106 /* Apple MacBookPro8,2 */ 107 { USB_DEVICE(0x05ac, 0x821a) }, 108 109 /* Apple MacMini5,1 */ 110 { USB_DEVICE(0x05ac, 0x8281) }, 111 112 /* AVM BlueFRITZ! USB v2.0 */ 113 { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE }, 114 115 /* Bluetooth Ultraport Module from IBM */ 116 { USB_DEVICE(0x04bf, 0x030a) }, 117 118 /* ALPS Modules with non-standard id */ 119 { USB_DEVICE(0x044e, 0x3001) }, 120 { USB_DEVICE(0x044e, 0x3002) }, 121 122 /* Ericsson with non-standard id */ 123 { USB_DEVICE(0x0bdb, 0x1002) }, 124 125 /* Canyon CN-BTU1 with HID interfaces */ 126 { USB_DEVICE(0x0c10, 0x0000) }, 127 128 /* Broadcom BCM20702B0 (Dynex/Insignia) */ 129 { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM }, 130 131 /* Broadcom BCM43142A0 (Foxconn/Lenovo) */ 132 { USB_VENDOR_AND_INTERFACE_INFO(0x105b, 0xff, 0x01, 0x01), 133 .driver_info = BTUSB_BCM_PATCHRAM }, 134 135 /* Broadcom BCM920703 (HTC Vive) */ 136 { USB_VENDOR_AND_INTERFACE_INFO(0x0bb4, 0xff, 0x01, 0x01), 137 .driver_info = BTUSB_BCM_PATCHRAM }, 138 139 /* Foxconn - Hon Hai */ 140 { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01), 141 .driver_info = BTUSB_BCM_PATCHRAM }, 142 143 /* Lite-On Technology - Broadcom based */ 144 { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01), 145 .driver_info = BTUSB_BCM_PATCHRAM }, 146 147 /* Broadcom devices with vendor specific id */ 148 { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01), 149 .driver_info = BTUSB_BCM_PATCHRAM }, 150 151 /* ASUSTek Computer - Broadcom based */ 152 { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01), 153 .driver_info = BTUSB_BCM_PATCHRAM }, 154 155 /* Belkin F8065bf - Broadcom based */ 156 { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01), 157 .driver_info = BTUSB_BCM_PATCHRAM }, 158 159 /* IMC Networks - Broadcom based */ 160 { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01), 161 .driver_info = BTUSB_BCM_PATCHRAM }, 162 163 /* Dell Computer - Broadcom based */ 164 { USB_VENDOR_AND_INTERFACE_INFO(0x413c, 0xff, 0x01, 0x01), 165 .driver_info = BTUSB_BCM_PATCHRAM }, 166 167 /* Toshiba Corp - Broadcom based */ 168 { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01), 169 .driver_info = BTUSB_BCM_PATCHRAM }, 170 171 /* Intel Bluetooth USB Bootloader (RAM module) */ 172 { USB_DEVICE(0x8087, 0x0a5a), 173 .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC }, 174 175 { } /* Terminating entry */ 176 }; 177 178 MODULE_DEVICE_TABLE(usb, btusb_table); 179 180 static const struct usb_device_id quirks_table[] = { 181 /* CSR BlueCore devices */ 182 { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, 183 184 /* Broadcom BCM2033 without firmware */ 185 { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, 186 187 /* Broadcom BCM2045 devices */ 188 { USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 }, 189 190 /* Atheros 3011 with sflash firmware */ 191 { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, 192 { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, 193 { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE }, 194 { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, 195 { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, 196 { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, 197 { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, 198 199 /* Atheros AR9285 Malbec with sflash firmware */ 200 { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, 201 202 /* Atheros 3012 with sflash firmware */ 203 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, 204 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, 205 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, 206 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, 207 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, 208 { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 }, 209 { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, 210 { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 }, 211 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, 212 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, 213 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, 214 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, 215 { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, 216 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, 217 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, 218 { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 }, 219 { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 }, 220 { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 }, 221 { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 }, 222 { USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 }, 223 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, 224 { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 }, 225 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, 226 { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, 227 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, 228 { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, 229 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, 230 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, 231 { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, 232 { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, 233 { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, 234 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, 235 { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, 236 { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 }, 237 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, 238 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, 239 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, 240 { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 }, 241 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, 242 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, 243 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, 244 { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 }, 245 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, 246 { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 }, 247 { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 }, 248 { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, 249 { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 }, 250 { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 }, 251 { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 }, 252 { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 }, 253 254 /* Atheros AR5BBU12 with sflash firmware */ 255 { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, 256 257 /* Atheros AR5BBU12 with sflash firmware */ 258 { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, 259 { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, 260 261 /* QCA ROME chipset */ 262 { USB_DEVICE(0x0cf3, 0x535b), .driver_info = BTUSB_QCA_ROME | 263 BTUSB_WIDEBAND_SPEECH }, 264 { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME | 265 BTUSB_WIDEBAND_SPEECH }, 266 { USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME | 267 BTUSB_WIDEBAND_SPEECH }, 268 { USB_DEVICE(0x0cf3, 0xe010), .driver_info = BTUSB_QCA_ROME | 269 BTUSB_WIDEBAND_SPEECH }, 270 { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME | 271 BTUSB_WIDEBAND_SPEECH }, 272 { USB_DEVICE(0x0cf3, 0xe301), .driver_info = BTUSB_QCA_ROME | 273 BTUSB_WIDEBAND_SPEECH }, 274 { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME | 275 BTUSB_WIDEBAND_SPEECH }, 276 { USB_DEVICE(0x0cf3, 0xe500), .driver_info = BTUSB_QCA_ROME | 277 BTUSB_WIDEBAND_SPEECH }, 278 { USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME | 279 BTUSB_WIDEBAND_SPEECH }, 280 { USB_DEVICE(0x0489, 0xe09f), .driver_info = BTUSB_QCA_ROME | 281 BTUSB_WIDEBAND_SPEECH }, 282 { USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME | 283 BTUSB_WIDEBAND_SPEECH }, 284 { USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME | 285 BTUSB_WIDEBAND_SPEECH }, 286 { USB_DEVICE(0x04ca, 0x3015), .driver_info = BTUSB_QCA_ROME | 287 BTUSB_WIDEBAND_SPEECH }, 288 { USB_DEVICE(0x04ca, 0x3016), .driver_info = BTUSB_QCA_ROME | 289 BTUSB_WIDEBAND_SPEECH }, 290 { USB_DEVICE(0x04ca, 0x301a), .driver_info = BTUSB_QCA_ROME | 291 BTUSB_WIDEBAND_SPEECH }, 292 { USB_DEVICE(0x04ca, 0x3021), .driver_info = BTUSB_QCA_ROME | 293 BTUSB_WIDEBAND_SPEECH }, 294 { USB_DEVICE(0x13d3, 0x3491), .driver_info = BTUSB_QCA_ROME | 295 BTUSB_WIDEBAND_SPEECH }, 296 { USB_DEVICE(0x13d3, 0x3496), .driver_info = BTUSB_QCA_ROME | 297 BTUSB_WIDEBAND_SPEECH }, 298 { USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME | 299 BTUSB_WIDEBAND_SPEECH }, 300 { USB_DEVICE(0x13d3, 0x3503), .driver_info = BTUSB_QCA_ROME | 301 BTUSB_WIDEBAND_SPEECH }, 302 303 /* QCA WCN6855 chipset */ 304 { USB_DEVICE(0x0489, 0xe0c7), .driver_info = BTUSB_QCA_WCN6855 | 305 BTUSB_WIDEBAND_SPEECH }, 306 { USB_DEVICE(0x0489, 0xe0c9), .driver_info = BTUSB_QCA_WCN6855 | 307 BTUSB_WIDEBAND_SPEECH }, 308 { USB_DEVICE(0x0489, 0xe0ca), .driver_info = BTUSB_QCA_WCN6855 | 309 BTUSB_WIDEBAND_SPEECH }, 310 { USB_DEVICE(0x0489, 0xe0cb), .driver_info = BTUSB_QCA_WCN6855 | 311 BTUSB_WIDEBAND_SPEECH }, 312 { USB_DEVICE(0x0489, 0xe0cc), .driver_info = BTUSB_QCA_WCN6855 | 313 BTUSB_WIDEBAND_SPEECH }, 314 { USB_DEVICE(0x0489, 0xe0ce), .driver_info = BTUSB_QCA_WCN6855 | 315 BTUSB_WIDEBAND_SPEECH }, 316 { USB_DEVICE(0x0489, 0xe0d0), .driver_info = BTUSB_QCA_WCN6855 | 317 BTUSB_WIDEBAND_SPEECH }, 318 { USB_DEVICE(0x0489, 0xe0d6), .driver_info = BTUSB_QCA_WCN6855 | 319 BTUSB_WIDEBAND_SPEECH }, 320 { USB_DEVICE(0x0489, 0xe0de), .driver_info = BTUSB_QCA_WCN6855 | 321 BTUSB_WIDEBAND_SPEECH }, 322 { USB_DEVICE(0x0489, 0xe0df), .driver_info = BTUSB_QCA_WCN6855 | 323 BTUSB_WIDEBAND_SPEECH }, 324 { USB_DEVICE(0x0489, 0xe0e1), .driver_info = BTUSB_QCA_WCN6855 | 325 BTUSB_WIDEBAND_SPEECH }, 326 { USB_DEVICE(0x0489, 0xe0e3), .driver_info = BTUSB_QCA_WCN6855 | 327 BTUSB_WIDEBAND_SPEECH }, 328 { USB_DEVICE(0x0489, 0xe0ea), .driver_info = BTUSB_QCA_WCN6855 | 329 BTUSB_WIDEBAND_SPEECH }, 330 { USB_DEVICE(0x0489, 0xe0ec), .driver_info = BTUSB_QCA_WCN6855 | 331 BTUSB_WIDEBAND_SPEECH }, 332 { USB_DEVICE(0x04ca, 0x3022), .driver_info = BTUSB_QCA_WCN6855 | 333 BTUSB_WIDEBAND_SPEECH }, 334 { USB_DEVICE(0x04ca, 0x3023), .driver_info = BTUSB_QCA_WCN6855 | 335 BTUSB_WIDEBAND_SPEECH }, 336 { USB_DEVICE(0x04ca, 0x3024), .driver_info = BTUSB_QCA_WCN6855 | 337 BTUSB_WIDEBAND_SPEECH }, 338 { USB_DEVICE(0x04ca, 0x3a22), .driver_info = BTUSB_QCA_WCN6855 | 339 BTUSB_WIDEBAND_SPEECH }, 340 { USB_DEVICE(0x04ca, 0x3a24), .driver_info = BTUSB_QCA_WCN6855 | 341 BTUSB_WIDEBAND_SPEECH }, 342 { USB_DEVICE(0x04ca, 0x3a26), .driver_info = BTUSB_QCA_WCN6855 | 343 BTUSB_WIDEBAND_SPEECH }, 344 { USB_DEVICE(0x04ca, 0x3a27), .driver_info = BTUSB_QCA_WCN6855 | 345 BTUSB_WIDEBAND_SPEECH }, 346 { USB_DEVICE(0x0cf3, 0xe600), .driver_info = BTUSB_QCA_WCN6855 | 347 BTUSB_WIDEBAND_SPEECH }, 348 { USB_DEVICE(0x10ab, 0x9108), .driver_info = BTUSB_QCA_WCN6855 | 349 BTUSB_WIDEBAND_SPEECH }, 350 { USB_DEVICE(0x10ab, 0x9109), .driver_info = BTUSB_QCA_WCN6855 | 351 BTUSB_WIDEBAND_SPEECH }, 352 { USB_DEVICE(0x10ab, 0x9208), .driver_info = BTUSB_QCA_WCN6855 | 353 BTUSB_WIDEBAND_SPEECH }, 354 { USB_DEVICE(0x10ab, 0x9209), .driver_info = BTUSB_QCA_WCN6855 | 355 BTUSB_WIDEBAND_SPEECH }, 356 { USB_DEVICE(0x10ab, 0x9308), .driver_info = BTUSB_QCA_WCN6855 | 357 BTUSB_WIDEBAND_SPEECH }, 358 { USB_DEVICE(0x10ab, 0x9309), .driver_info = BTUSB_QCA_WCN6855 | 359 BTUSB_WIDEBAND_SPEECH }, 360 { USB_DEVICE(0x10ab, 0x9408), .driver_info = BTUSB_QCA_WCN6855 | 361 BTUSB_WIDEBAND_SPEECH }, 362 { USB_DEVICE(0x10ab, 0x9409), .driver_info = BTUSB_QCA_WCN6855 | 363 BTUSB_WIDEBAND_SPEECH }, 364 { USB_DEVICE(0x10ab, 0x9508), .driver_info = BTUSB_QCA_WCN6855 | 365 BTUSB_WIDEBAND_SPEECH }, 366 { USB_DEVICE(0x10ab, 0x9509), .driver_info = BTUSB_QCA_WCN6855 | 367 BTUSB_WIDEBAND_SPEECH }, 368 { USB_DEVICE(0x10ab, 0x9608), .driver_info = BTUSB_QCA_WCN6855 | 369 BTUSB_WIDEBAND_SPEECH }, 370 { USB_DEVICE(0x10ab, 0x9609), .driver_info = BTUSB_QCA_WCN6855 | 371 BTUSB_WIDEBAND_SPEECH }, 372 { USB_DEVICE(0x10ab, 0x9f09), .driver_info = BTUSB_QCA_WCN6855 | 373 BTUSB_WIDEBAND_SPEECH }, 374 { USB_DEVICE(0x28de, 0x1401), .driver_info = BTUSB_QCA_WCN6855 | 375 BTUSB_WIDEBAND_SPEECH }, 376 377 /* QCA WCN785x chipset */ 378 { USB_DEVICE(0x0cf3, 0xe700), .driver_info = BTUSB_QCA_WCN6855 | 379 BTUSB_WIDEBAND_SPEECH }, 380 { USB_DEVICE(0x0489, 0xe0fc), .driver_info = BTUSB_QCA_WCN6855 | 381 BTUSB_WIDEBAND_SPEECH }, 382 { USB_DEVICE(0x0489, 0xe0f3), .driver_info = BTUSB_QCA_WCN6855 | 383 BTUSB_WIDEBAND_SPEECH }, 384 { USB_DEVICE(0x0489, 0xe100), .driver_info = BTUSB_QCA_WCN6855 | 385 BTUSB_WIDEBAND_SPEECH }, 386 { USB_DEVICE(0x0489, 0xe103), .driver_info = BTUSB_QCA_WCN6855 | 387 BTUSB_WIDEBAND_SPEECH }, 388 { USB_DEVICE(0x0489, 0xe10a), .driver_info = BTUSB_QCA_WCN6855 | 389 BTUSB_WIDEBAND_SPEECH }, 390 { USB_DEVICE(0x0489, 0xe10d), .driver_info = BTUSB_QCA_WCN6855 | 391 BTUSB_WIDEBAND_SPEECH }, 392 { USB_DEVICE(0x0489, 0xe11b), .driver_info = BTUSB_QCA_WCN6855 | 393 BTUSB_WIDEBAND_SPEECH }, 394 { USB_DEVICE(0x0489, 0xe11c), .driver_info = BTUSB_QCA_WCN6855 | 395 BTUSB_WIDEBAND_SPEECH }, 396 { USB_DEVICE(0x0489, 0xe11f), .driver_info = BTUSB_QCA_WCN6855 | 397 BTUSB_WIDEBAND_SPEECH }, 398 { USB_DEVICE(0x0489, 0xe141), .driver_info = BTUSB_QCA_WCN6855 | 399 BTUSB_WIDEBAND_SPEECH }, 400 { USB_DEVICE(0x0489, 0xe14a), .driver_info = BTUSB_QCA_WCN6855 | 401 BTUSB_WIDEBAND_SPEECH }, 402 { USB_DEVICE(0x0489, 0xe14b), .driver_info = BTUSB_QCA_WCN6855 | 403 BTUSB_WIDEBAND_SPEECH }, 404 { USB_DEVICE(0x0489, 0xe14d), .driver_info = BTUSB_QCA_WCN6855 | 405 BTUSB_WIDEBAND_SPEECH }, 406 { USB_DEVICE(0x13d3, 0x3623), .driver_info = BTUSB_QCA_WCN6855 | 407 BTUSB_WIDEBAND_SPEECH }, 408 { USB_DEVICE(0x13d3, 0x3624), .driver_info = BTUSB_QCA_WCN6855 | 409 BTUSB_WIDEBAND_SPEECH }, 410 { USB_DEVICE(0x2c7c, 0x0130), .driver_info = BTUSB_QCA_WCN6855 | 411 BTUSB_WIDEBAND_SPEECH }, 412 { USB_DEVICE(0x2c7c, 0x0131), .driver_info = BTUSB_QCA_WCN6855 | 413 BTUSB_WIDEBAND_SPEECH }, 414 { USB_DEVICE(0x2c7c, 0x0132), .driver_info = BTUSB_QCA_WCN6855 | 415 BTUSB_WIDEBAND_SPEECH }, 416 417 /* Broadcom BCM2035 */ 418 { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, 419 { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, 420 { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, 421 422 /* Broadcom BCM2045 */ 423 { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, 424 { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, 425 426 /* IBM/Lenovo ThinkPad with Broadcom chip */ 427 { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, 428 { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, 429 430 /* HP laptop with Broadcom chip */ 431 { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, 432 433 /* Dell laptop with Broadcom chip */ 434 { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, 435 436 /* Dell Wireless 370 and 410 devices */ 437 { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, 438 { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, 439 440 /* Belkin F8T012 and F8T013 devices */ 441 { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, 442 { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, 443 444 /* Asus WL-BTD202 device */ 445 { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, 446 447 /* Kensington Bluetooth USB adapter */ 448 { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, 449 450 /* RTX Telecom based adapters with buggy SCO support */ 451 { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, 452 { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, 453 454 /* CONWISE Technology based adapters with buggy SCO support */ 455 { USB_DEVICE(0x0e5e, 0x6622), 456 .driver_info = BTUSB_BROKEN_ISOC | BTUSB_CW6622}, 457 458 /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */ 459 { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE }, 460 461 /* Digianswer devices */ 462 { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, 463 { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, 464 465 /* CSR BlueCore Bluetooth Sniffer */ 466 { USB_DEVICE(0x0a12, 0x0002), 467 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, 468 469 /* Frontline ComProbe Bluetooth Sniffer */ 470 { USB_DEVICE(0x16d3, 0x0002), 471 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, 472 473 /* Marvell Bluetooth devices */ 474 { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL }, 475 { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL }, 476 { USB_DEVICE(0x1286, 0x204e), .driver_info = BTUSB_MARVELL }, 477 478 /* Intel Bluetooth devices */ 479 { USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_COMBINED }, 480 { USB_DEVICE(0x8087, 0x0026), .driver_info = BTUSB_INTEL_COMBINED }, 481 { USB_DEVICE(0x8087, 0x0029), .driver_info = BTUSB_INTEL_COMBINED }, 482 { USB_DEVICE(0x8087, 0x0032), .driver_info = BTUSB_INTEL_COMBINED }, 483 { USB_DEVICE(0x8087, 0x0033), .driver_info = BTUSB_INTEL_COMBINED }, 484 { USB_DEVICE(0x8087, 0x0035), .driver_info = BTUSB_INTEL_COMBINED }, 485 { USB_DEVICE(0x8087, 0x0036), .driver_info = BTUSB_INTEL_COMBINED }, 486 { USB_DEVICE(0x8087, 0x0037), .driver_info = BTUSB_INTEL_COMBINED }, 487 { USB_DEVICE(0x8087, 0x0038), .driver_info = BTUSB_INTEL_COMBINED }, 488 { USB_DEVICE(0x8087, 0x0039), .driver_info = BTUSB_INTEL_COMBINED }, 489 { USB_DEVICE(0x8087, 0x0040), .driver_info = BTUSB_INTEL_COMBINED }, /* Lizard Peak 2 */ 490 { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR }, 491 { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL_COMBINED | 492 BTUSB_INTEL_NO_WBS_SUPPORT | 493 BTUSB_INTEL_BROKEN_INITIAL_NCMD | 494 BTUSB_INTEL_BROKEN_SHUTDOWN_LED }, 495 { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL_COMBINED | 496 BTUSB_INTEL_NO_WBS_SUPPORT | 497 BTUSB_INTEL_BROKEN_SHUTDOWN_LED }, 498 { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_COMBINED }, 499 { USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL_COMBINED | 500 BTUSB_INTEL_BROKEN_SHUTDOWN_LED }, 501 { USB_DEVICE(0x8087, 0x0aaa), .driver_info = BTUSB_INTEL_COMBINED }, 502 503 /* Other Intel Bluetooth devices */ 504 { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01), 505 .driver_info = BTUSB_IGNORE }, 506 507 /* Realtek 8821CE Bluetooth devices */ 508 { USB_DEVICE(0x13d3, 0x3529), .driver_info = BTUSB_REALTEK | 509 BTUSB_WIDEBAND_SPEECH }, 510 { USB_DEVICE(0x13d3, 0x3533), .driver_info = BTUSB_REALTEK | 511 BTUSB_WIDEBAND_SPEECH }, 512 513 /* Realtek 8822CE Bluetooth devices */ 514 { USB_DEVICE(0x0bda, 0xb00c), .driver_info = BTUSB_REALTEK | 515 BTUSB_WIDEBAND_SPEECH }, 516 { USB_DEVICE(0x0bda, 0xc822), .driver_info = BTUSB_REALTEK | 517 BTUSB_WIDEBAND_SPEECH }, 518 519 /* Realtek 8822CU Bluetooth devices */ 520 { USB_DEVICE(0x13d3, 0x3549), .driver_info = BTUSB_REALTEK | 521 BTUSB_WIDEBAND_SPEECH }, 522 523 /* Realtek 8851BE Bluetooth devices */ 524 { USB_DEVICE(0x0bda, 0xb850), .driver_info = BTUSB_REALTEK }, 525 { USB_DEVICE(0x13d3, 0x3600), .driver_info = BTUSB_REALTEK }, 526 { USB_DEVICE(0x13d3, 0x3601), .driver_info = BTUSB_REALTEK }, 527 { USB_DEVICE(0x0489, 0xe112), .driver_info = BTUSB_REALTEK | 528 BTUSB_WIDEBAND_SPEECH }, 529 530 /* Realtek 8851BU Bluetooth devices */ 531 { USB_DEVICE(0x3625, 0x010b), .driver_info = BTUSB_REALTEK | 532 BTUSB_WIDEBAND_SPEECH }, 533 { USB_DEVICE(0x2001, 0x332a), .driver_info = BTUSB_REALTEK | 534 BTUSB_WIDEBAND_SPEECH }, 535 { USB_DEVICE(0x7392, 0xe611), .driver_info = BTUSB_REALTEK | 536 BTUSB_WIDEBAND_SPEECH }, 537 { USB_DEVICE(0x2c4e, 0x0128), .driver_info = BTUSB_REALTEK | 538 BTUSB_WIDEBAND_SPEECH }, 539 540 /* Realtek 8852AE Bluetooth devices */ 541 { USB_DEVICE(0x0bda, 0x2852), .driver_info = BTUSB_REALTEK | 542 BTUSB_WIDEBAND_SPEECH }, 543 { USB_DEVICE(0x0bda, 0xc852), .driver_info = BTUSB_REALTEK | 544 BTUSB_WIDEBAND_SPEECH }, 545 { USB_DEVICE(0x0bda, 0x385a), .driver_info = BTUSB_REALTEK | 546 BTUSB_WIDEBAND_SPEECH }, 547 { USB_DEVICE(0x0bda, 0x4852), .driver_info = BTUSB_REALTEK | 548 BTUSB_WIDEBAND_SPEECH }, 549 { USB_DEVICE(0x04c5, 0x165c), .driver_info = BTUSB_REALTEK | 550 BTUSB_WIDEBAND_SPEECH }, 551 { USB_DEVICE(0x04ca, 0x4006), .driver_info = BTUSB_REALTEK | 552 BTUSB_WIDEBAND_SPEECH }, 553 { USB_DEVICE(0x0cb8, 0xc549), .driver_info = BTUSB_REALTEK | 554 BTUSB_WIDEBAND_SPEECH }, 555 556 /* Realtek 8852CE Bluetooth devices */ 557 { USB_DEVICE(0x04ca, 0x4007), .driver_info = BTUSB_REALTEK | 558 BTUSB_WIDEBAND_SPEECH }, 559 { USB_DEVICE(0x04c5, 0x1675), .driver_info = BTUSB_REALTEK | 560 BTUSB_WIDEBAND_SPEECH }, 561 { USB_DEVICE(0x0cb8, 0xc558), .driver_info = BTUSB_REALTEK | 562 BTUSB_WIDEBAND_SPEECH }, 563 { USB_DEVICE(0x13d3, 0x3587), .driver_info = BTUSB_REALTEK | 564 BTUSB_WIDEBAND_SPEECH }, 565 { USB_DEVICE(0x13d3, 0x3586), .driver_info = BTUSB_REALTEK | 566 BTUSB_WIDEBAND_SPEECH }, 567 { USB_DEVICE(0x13d3, 0x3592), .driver_info = BTUSB_REALTEK | 568 BTUSB_WIDEBAND_SPEECH }, 569 { USB_DEVICE(0x13d3, 0x3612), .driver_info = BTUSB_REALTEK | 570 BTUSB_WIDEBAND_SPEECH }, 571 { USB_DEVICE(0x0489, 0xe122), .driver_info = BTUSB_REALTEK | 572 BTUSB_WIDEBAND_SPEECH }, 573 574 /* Realtek 8852BE Bluetooth devices */ 575 { USB_DEVICE(0x0cb8, 0xc559), .driver_info = BTUSB_REALTEK | 576 BTUSB_WIDEBAND_SPEECH }, 577 { USB_DEVICE(0x0bda, 0x4853), .driver_info = BTUSB_REALTEK | 578 BTUSB_WIDEBAND_SPEECH }, 579 { USB_DEVICE(0x0bda, 0x887b), .driver_info = BTUSB_REALTEK | 580 BTUSB_WIDEBAND_SPEECH }, 581 { USB_DEVICE(0x0bda, 0xb85b), .driver_info = BTUSB_REALTEK | 582 BTUSB_WIDEBAND_SPEECH }, 583 { USB_DEVICE(0x13d3, 0x3570), .driver_info = BTUSB_REALTEK | 584 BTUSB_WIDEBAND_SPEECH }, 585 { USB_DEVICE(0x13d3, 0x3571), .driver_info = BTUSB_REALTEK | 586 BTUSB_WIDEBAND_SPEECH }, 587 { USB_DEVICE(0x13d3, 0x3572), .driver_info = BTUSB_REALTEK | 588 BTUSB_WIDEBAND_SPEECH }, 589 { USB_DEVICE(0x13d3, 0x3591), .driver_info = BTUSB_REALTEK | 590 BTUSB_WIDEBAND_SPEECH }, 591 { USB_DEVICE(0x0489, 0xe123), .driver_info = BTUSB_REALTEK | 592 BTUSB_WIDEBAND_SPEECH }, 593 { USB_DEVICE(0x0489, 0xe125), .driver_info = BTUSB_REALTEK | 594 BTUSB_WIDEBAND_SPEECH }, 595 596 /* Realtek 8852BT/8852BE-VT Bluetooth devices */ 597 { USB_DEVICE(0x0bda, 0x8520), .driver_info = BTUSB_REALTEK | 598 BTUSB_WIDEBAND_SPEECH }, 599 { USB_DEVICE(0x0489, 0xe12f), .driver_info = BTUSB_REALTEK | 600 BTUSB_WIDEBAND_SPEECH }, 601 { USB_DEVICE(0x13d3, 0x3618), .driver_info = BTUSB_REALTEK | 602 BTUSB_WIDEBAND_SPEECH }, 603 { USB_DEVICE(0x13d3, 0x3619), .driver_info = BTUSB_REALTEK | 604 BTUSB_WIDEBAND_SPEECH }, 605 606 /* Realtek 8922AE Bluetooth devices */ 607 { USB_DEVICE(0x0bda, 0x8922), .driver_info = BTUSB_REALTEK | 608 BTUSB_WIDEBAND_SPEECH }, 609 { USB_DEVICE(0x0bda, 0xd922), .driver_info = BTUSB_REALTEK | 610 BTUSB_WIDEBAND_SPEECH }, 611 { USB_DEVICE(0x0bda, 0xd923), .driver_info = BTUSB_REALTEK | 612 BTUSB_WIDEBAND_SPEECH }, 613 { USB_DEVICE(0x13d3, 0x3617), .driver_info = BTUSB_REALTEK | 614 BTUSB_WIDEBAND_SPEECH }, 615 { USB_DEVICE(0x13d3, 0x3616), .driver_info = BTUSB_REALTEK | 616 BTUSB_WIDEBAND_SPEECH }, 617 { USB_DEVICE(0x0489, 0xe130), .driver_info = BTUSB_REALTEK | 618 BTUSB_WIDEBAND_SPEECH }, 619 620 /* Realtek Bluetooth devices */ 621 { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01), 622 .driver_info = BTUSB_REALTEK }, 623 624 /* MediaTek Bluetooth devices */ 625 { USB_VENDOR_AND_INTERFACE_INFO(0x0e8d, 0xe0, 0x01, 0x01), 626 .driver_info = BTUSB_MEDIATEK | 627 BTUSB_WIDEBAND_SPEECH }, 628 629 /* Additional MediaTek MT7615E Bluetooth devices */ 630 { USB_DEVICE(0x13d3, 0x3560), .driver_info = BTUSB_MEDIATEK}, 631 632 /* Additional MediaTek MT7663 Bluetooth devices */ 633 { USB_DEVICE(0x043e, 0x310c), .driver_info = BTUSB_MEDIATEK | 634 BTUSB_WIDEBAND_SPEECH }, 635 { USB_DEVICE(0x04ca, 0x3801), .driver_info = BTUSB_MEDIATEK | 636 BTUSB_WIDEBAND_SPEECH }, 637 638 /* Additional MediaTek MT7668 Bluetooth devices */ 639 { USB_DEVICE(0x043e, 0x3109), .driver_info = BTUSB_MEDIATEK | 640 BTUSB_WIDEBAND_SPEECH }, 641 642 /* Additional MediaTek MT7920 Bluetooth devices */ 643 { USB_DEVICE(0x0489, 0xe134), .driver_info = BTUSB_MEDIATEK | 644 BTUSB_WIDEBAND_SPEECH }, 645 { USB_DEVICE(0x0489, 0xe135), .driver_info = BTUSB_MEDIATEK | 646 BTUSB_WIDEBAND_SPEECH }, 647 { USB_DEVICE(0x13d3, 0x3620), .driver_info = BTUSB_MEDIATEK | 648 BTUSB_WIDEBAND_SPEECH }, 649 { USB_DEVICE(0x13d3, 0x3621), .driver_info = BTUSB_MEDIATEK | 650 BTUSB_WIDEBAND_SPEECH }, 651 { USB_DEVICE(0x13d3, 0x3622), .driver_info = BTUSB_MEDIATEK | 652 BTUSB_WIDEBAND_SPEECH }, 653 { USB_DEVICE(0x0489, 0xe158), .driver_info = BTUSB_MEDIATEK | 654 BTUSB_WIDEBAND_SPEECH }, 655 656 /* Additional MediaTek MT7921 Bluetooth devices */ 657 { USB_DEVICE(0x0489, 0xe0c8), .driver_info = BTUSB_MEDIATEK | 658 BTUSB_WIDEBAND_SPEECH }, 659 { USB_DEVICE(0x0489, 0xe0cd), .driver_info = BTUSB_MEDIATEK | 660 BTUSB_WIDEBAND_SPEECH }, 661 { USB_DEVICE(0x0489, 0xe0e0), .driver_info = BTUSB_MEDIATEK | 662 BTUSB_WIDEBAND_SPEECH }, 663 { USB_DEVICE(0x0489, 0xe0f2), .driver_info = BTUSB_MEDIATEK | 664 BTUSB_WIDEBAND_SPEECH }, 665 { USB_DEVICE(0x04ca, 0x3802), .driver_info = BTUSB_MEDIATEK | 666 BTUSB_WIDEBAND_SPEECH }, 667 { USB_DEVICE(0x0e8d, 0x0608), .driver_info = BTUSB_MEDIATEK | 668 BTUSB_WIDEBAND_SPEECH }, 669 { USB_DEVICE(0x13d3, 0x3563), .driver_info = BTUSB_MEDIATEK | 670 BTUSB_WIDEBAND_SPEECH }, 671 { USB_DEVICE(0x13d3, 0x3564), .driver_info = BTUSB_MEDIATEK | 672 BTUSB_WIDEBAND_SPEECH }, 673 { USB_DEVICE(0x13d3, 0x3567), .driver_info = BTUSB_MEDIATEK | 674 BTUSB_WIDEBAND_SPEECH }, 675 { USB_DEVICE(0x13d3, 0x3576), .driver_info = BTUSB_MEDIATEK | 676 BTUSB_WIDEBAND_SPEECH }, 677 { USB_DEVICE(0x13d3, 0x3578), .driver_info = BTUSB_MEDIATEK | 678 BTUSB_WIDEBAND_SPEECH }, 679 { USB_DEVICE(0x13d3, 0x3583), .driver_info = BTUSB_MEDIATEK | 680 BTUSB_WIDEBAND_SPEECH }, 681 { USB_DEVICE(0x13d3, 0x3606), .driver_info = BTUSB_MEDIATEK | 682 BTUSB_WIDEBAND_SPEECH }, 683 /* MediaTek MT7902 Bluetooth devices */ 684 { USB_DEVICE(0x0489, 0xe156), .driver_info = BTUSB_MEDIATEK | 685 BTUSB_WIDEBAND_SPEECH }, 686 { USB_DEVICE(0x0e8d, 0x1ede), .driver_info = BTUSB_MEDIATEK | 687 BTUSB_WIDEBAND_SPEECH }, 688 { USB_DEVICE(0x13d3, 0x3579), .driver_info = BTUSB_MEDIATEK | 689 BTUSB_WIDEBAND_SPEECH }, 690 { USB_DEVICE(0x13d3, 0x3580), .driver_info = BTUSB_MEDIATEK | 691 BTUSB_WIDEBAND_SPEECH }, 692 { USB_DEVICE(0x13d3, 0x3594), .driver_info = BTUSB_MEDIATEK | 693 BTUSB_WIDEBAND_SPEECH }, 694 { USB_DEVICE(0x13d3, 0x3596), .driver_info = BTUSB_MEDIATEK | 695 BTUSB_WIDEBAND_SPEECH }, 696 /* MediaTek MT7922 Bluetooth devices */ 697 { USB_DEVICE(0x13d3, 0x3585), .driver_info = BTUSB_MEDIATEK | 698 BTUSB_WIDEBAND_SPEECH }, 699 { USB_DEVICE(0x13d3, 0x3610), .driver_info = BTUSB_MEDIATEK | 700 BTUSB_WIDEBAND_SPEECH }, 701 702 /* MediaTek MT7922A Bluetooth devices */ 703 { USB_DEVICE(0x0489, 0xe0d8), .driver_info = BTUSB_MEDIATEK | 704 BTUSB_WIDEBAND_SPEECH }, 705 { USB_DEVICE(0x0489, 0xe0d9), .driver_info = BTUSB_MEDIATEK | 706 BTUSB_WIDEBAND_SPEECH }, 707 { USB_DEVICE(0x0489, 0xe0e2), .driver_info = BTUSB_MEDIATEK | 708 BTUSB_WIDEBAND_SPEECH }, 709 { USB_DEVICE(0x0489, 0xe0e4), .driver_info = BTUSB_MEDIATEK | 710 BTUSB_WIDEBAND_SPEECH }, 711 { USB_DEVICE(0x0489, 0xe0f1), .driver_info = BTUSB_MEDIATEK | 712 BTUSB_WIDEBAND_SPEECH }, 713 { USB_DEVICE(0x0489, 0xe0f2), .driver_info = BTUSB_MEDIATEK | 714 BTUSB_WIDEBAND_SPEECH }, 715 { USB_DEVICE(0x0489, 0xe0f5), .driver_info = BTUSB_MEDIATEK | 716 BTUSB_WIDEBAND_SPEECH }, 717 { USB_DEVICE(0x0489, 0xe0f6), .driver_info = BTUSB_MEDIATEK | 718 BTUSB_WIDEBAND_SPEECH }, 719 { USB_DEVICE(0x0489, 0xe102), .driver_info = BTUSB_MEDIATEK | 720 BTUSB_WIDEBAND_SPEECH }, 721 { USB_DEVICE(0x0489, 0xe11d), .driver_info = BTUSB_MEDIATEK | 722 BTUSB_WIDEBAND_SPEECH }, 723 { USB_DEVICE(0x0489, 0xe152), .driver_info = BTUSB_MEDIATEK | 724 BTUSB_WIDEBAND_SPEECH }, 725 { USB_DEVICE(0x0489, 0xe153), .driver_info = BTUSB_MEDIATEK | 726 BTUSB_WIDEBAND_SPEECH }, 727 { USB_DEVICE(0x0489, 0xe170), .driver_info = BTUSB_MEDIATEK | 728 BTUSB_WIDEBAND_SPEECH }, 729 { USB_DEVICE(0x0489, 0xe174), .driver_info = BTUSB_MEDIATEK | 730 BTUSB_WIDEBAND_SPEECH }, 731 { USB_DEVICE(0x04ca, 0x3804), .driver_info = BTUSB_MEDIATEK | 732 BTUSB_WIDEBAND_SPEECH }, 733 { USB_DEVICE(0x04ca, 0x3807), .driver_info = BTUSB_MEDIATEK | 734 BTUSB_WIDEBAND_SPEECH }, 735 { USB_DEVICE(0x04ca, 0x38e4), .driver_info = BTUSB_MEDIATEK | 736 BTUSB_WIDEBAND_SPEECH }, 737 { USB_DEVICE(0x0e8d, 0x223c), .driver_info = BTUSB_MEDIATEK | 738 BTUSB_WIDEBAND_SPEECH }, 739 { USB_DEVICE(0x13d3, 0x3568), .driver_info = BTUSB_MEDIATEK | 740 BTUSB_WIDEBAND_SPEECH }, 741 { USB_DEVICE(0x13d3, 0x3584), .driver_info = BTUSB_MEDIATEK | 742 BTUSB_WIDEBAND_SPEECH }, 743 { USB_DEVICE(0x13d3, 0x3605), .driver_info = BTUSB_MEDIATEK | 744 BTUSB_WIDEBAND_SPEECH }, 745 { USB_DEVICE(0x13d3, 0x3607), .driver_info = BTUSB_MEDIATEK | 746 BTUSB_WIDEBAND_SPEECH }, 747 { USB_DEVICE(0x13d3, 0x3614), .driver_info = BTUSB_MEDIATEK | 748 BTUSB_WIDEBAND_SPEECH }, 749 { USB_DEVICE(0x13d3, 0x3615), .driver_info = BTUSB_MEDIATEK | 750 BTUSB_WIDEBAND_SPEECH }, 751 { USB_DEVICE(0x13d3, 0x3633), .driver_info = BTUSB_MEDIATEK | 752 BTUSB_WIDEBAND_SPEECH }, 753 { USB_DEVICE(0x35f5, 0x7922), .driver_info = BTUSB_MEDIATEK | 754 BTUSB_WIDEBAND_SPEECH }, 755 756 /* Additional MediaTek MT7925 Bluetooth devices */ 757 { USB_DEVICE(0x0489, 0xe111), .driver_info = BTUSB_MEDIATEK | 758 BTUSB_WIDEBAND_SPEECH }, 759 { USB_DEVICE(0x0489, 0xe113), .driver_info = BTUSB_MEDIATEK | 760 BTUSB_WIDEBAND_SPEECH }, 761 { USB_DEVICE(0x0489, 0xe118), .driver_info = BTUSB_MEDIATEK | 762 BTUSB_WIDEBAND_SPEECH }, 763 { USB_DEVICE(0x0489, 0xe11e), .driver_info = BTUSB_MEDIATEK | 764 BTUSB_WIDEBAND_SPEECH }, 765 { USB_DEVICE(0x0489, 0xe124), .driver_info = BTUSB_MEDIATEK | 766 BTUSB_WIDEBAND_SPEECH }, 767 { USB_DEVICE(0x0489, 0xe139), .driver_info = BTUSB_MEDIATEK | 768 BTUSB_WIDEBAND_SPEECH }, 769 { USB_DEVICE(0x0489, 0xe13a), .driver_info = BTUSB_MEDIATEK | 770 BTUSB_WIDEBAND_SPEECH }, 771 { USB_DEVICE(0x0489, 0xe0fa), .driver_info = BTUSB_MEDIATEK | 772 BTUSB_WIDEBAND_SPEECH }, 773 { USB_DEVICE(0x0489, 0xe10f), .driver_info = BTUSB_MEDIATEK | 774 BTUSB_WIDEBAND_SPEECH }, 775 { USB_DEVICE(0x0489, 0xe110), .driver_info = BTUSB_MEDIATEK | 776 BTUSB_WIDEBAND_SPEECH }, 777 { USB_DEVICE(0x0489, 0xe116), .driver_info = BTUSB_MEDIATEK | 778 BTUSB_WIDEBAND_SPEECH }, 779 { USB_DEVICE(0x13d3, 0x3588), .driver_info = BTUSB_MEDIATEK | 780 BTUSB_WIDEBAND_SPEECH }, 781 { USB_DEVICE(0x0489, 0xe14e), .driver_info = BTUSB_MEDIATEK | 782 BTUSB_WIDEBAND_SPEECH }, 783 { USB_DEVICE(0x0489, 0xe14f), .driver_info = BTUSB_MEDIATEK | 784 BTUSB_WIDEBAND_SPEECH }, 785 { USB_DEVICE(0x0489, 0xe150), .driver_info = BTUSB_MEDIATEK | 786 BTUSB_WIDEBAND_SPEECH }, 787 { USB_DEVICE(0x0489, 0xe151), .driver_info = BTUSB_MEDIATEK | 788 BTUSB_WIDEBAND_SPEECH }, 789 { USB_DEVICE(0x0e8d, 0x8c38), .driver_info = BTUSB_MEDIATEK | 790 BTUSB_WIDEBAND_SPEECH }, 791 { USB_DEVICE(0x13d3, 0x3602), .driver_info = BTUSB_MEDIATEK | 792 BTUSB_WIDEBAND_SPEECH }, 793 { USB_DEVICE(0x13d3, 0x3603), .driver_info = BTUSB_MEDIATEK | 794 BTUSB_WIDEBAND_SPEECH }, 795 { USB_DEVICE(0x13d3, 0x3604), .driver_info = BTUSB_MEDIATEK | 796 BTUSB_WIDEBAND_SPEECH }, 797 { USB_DEVICE(0x13d3, 0x3608), .driver_info = BTUSB_MEDIATEK | 798 BTUSB_WIDEBAND_SPEECH }, 799 { USB_DEVICE(0x13d3, 0x3609), .driver_info = BTUSB_MEDIATEK | 800 BTUSB_WIDEBAND_SPEECH }, 801 { USB_DEVICE(0x13d3, 0x3613), .driver_info = BTUSB_MEDIATEK | 802 BTUSB_WIDEBAND_SPEECH }, 803 { USB_DEVICE(0x13d3, 0x3625), .driver_info = BTUSB_MEDIATEK | 804 BTUSB_WIDEBAND_SPEECH }, 805 { USB_DEVICE(0x13d3, 0x3627), .driver_info = BTUSB_MEDIATEK | 806 BTUSB_WIDEBAND_SPEECH }, 807 { USB_DEVICE(0x13d3, 0x3628), .driver_info = BTUSB_MEDIATEK | 808 BTUSB_WIDEBAND_SPEECH }, 809 { USB_DEVICE(0x13d3, 0x3630), .driver_info = BTUSB_MEDIATEK | 810 BTUSB_WIDEBAND_SPEECH }, 811 { USB_DEVICE(0x2c7c, 0x7009), .driver_info = BTUSB_MEDIATEK | 812 BTUSB_WIDEBAND_SPEECH }, 813 814 /* Additional Realtek 8723AE Bluetooth devices */ 815 { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK }, 816 { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK }, 817 818 /* Additional Realtek 8723BE Bluetooth devices */ 819 { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK }, 820 { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK }, 821 { USB_DEVICE(0x04f2, 0xb49f), .driver_info = BTUSB_REALTEK }, 822 { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK }, 823 { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK }, 824 { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK }, 825 { USB_DEVICE(0x13d3, 0x3494), .driver_info = BTUSB_REALTEK }, 826 827 /* Additional Realtek 8723BU Bluetooth devices */ 828 { USB_DEVICE(0x7392, 0xa611), .driver_info = BTUSB_REALTEK }, 829 { USB_DEVICE(0x2c0a, 0x8761), .driver_info = BTUSB_REALTEK }, 830 831 /* Additional Realtek 8723DE Bluetooth devices */ 832 { USB_DEVICE(0x0bda, 0xb009), .driver_info = BTUSB_REALTEK }, 833 { USB_DEVICE(0x2ff8, 0xb011), .driver_info = BTUSB_REALTEK }, 834 835 /* Additional Realtek 8761BUV Bluetooth devices */ 836 { USB_DEVICE(0x2c4e, 0x0115), .driver_info = BTUSB_REALTEK | 837 BTUSB_WIDEBAND_SPEECH }, 838 { USB_DEVICE(0x2357, 0x0604), .driver_info = BTUSB_REALTEK | 839 BTUSB_WIDEBAND_SPEECH }, 840 { USB_DEVICE(0x2357, 0x0607), .driver_info = BTUSB_REALTEK | 841 BTUSB_WIDEBAND_SPEECH }, 842 { USB_DEVICE(0x0b05, 0x190e), .driver_info = BTUSB_REALTEK | 843 BTUSB_WIDEBAND_SPEECH }, 844 { USB_DEVICE(0x2550, 0x8761), .driver_info = BTUSB_REALTEK | 845 BTUSB_WIDEBAND_SPEECH }, 846 { USB_DEVICE(0x0bda, 0x8771), .driver_info = BTUSB_REALTEK | 847 BTUSB_WIDEBAND_SPEECH }, 848 { USB_DEVICE(0x6655, 0x8771), .driver_info = BTUSB_REALTEK | 849 BTUSB_WIDEBAND_SPEECH }, 850 { USB_DEVICE(0x7392, 0xc611), .driver_info = BTUSB_REALTEK | 851 BTUSB_WIDEBAND_SPEECH }, 852 { USB_DEVICE(0x2b89, 0x8761), .driver_info = BTUSB_REALTEK | 853 BTUSB_WIDEBAND_SPEECH }, 854 { USB_DEVICE(0x2b89, 0x6275), .driver_info = BTUSB_REALTEK | 855 BTUSB_WIDEBAND_SPEECH }, 856 { USB_DEVICE(0x37ad, 0x0600), .driver_info = BTUSB_REALTEK | 857 BTUSB_WIDEBAND_SPEECH }, 858 859 /* Additional Realtek 8761CU Bluetooth devices */ 860 { USB_DEVICE(0x0b05, 0x1bef), .driver_info = BTUSB_REALTEK | 861 BTUSB_WIDEBAND_SPEECH }, 862 { USB_DEVICE(0x0b05, 0x1d70), .driver_info = BTUSB_REALTEK | 863 BTUSB_WIDEBAND_SPEECH }, 864 865 /* Additional Realtek 8821AE Bluetooth devices */ 866 { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK }, 867 { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK }, 868 { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK }, 869 { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK }, 870 { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK }, 871 872 /* Additional Realtek 8822BE Bluetooth devices */ 873 { USB_DEVICE(0x13d3, 0x3526), .driver_info = BTUSB_REALTEK }, 874 { USB_DEVICE(0x0b05, 0x185c), .driver_info = BTUSB_REALTEK }, 875 876 /* Additional Realtek 8822CE Bluetooth devices */ 877 { USB_DEVICE(0x04ca, 0x4005), .driver_info = BTUSB_REALTEK | 878 BTUSB_WIDEBAND_SPEECH }, 879 { USB_DEVICE(0x04c5, 0x161f), .driver_info = BTUSB_REALTEK | 880 BTUSB_WIDEBAND_SPEECH }, 881 { USB_DEVICE(0x0b05, 0x18ef), .driver_info = BTUSB_REALTEK | 882 BTUSB_WIDEBAND_SPEECH }, 883 { USB_DEVICE(0x13d3, 0x3548), .driver_info = BTUSB_REALTEK | 884 BTUSB_WIDEBAND_SPEECH }, 885 { USB_DEVICE(0x13d3, 0x3549), .driver_info = BTUSB_REALTEK | 886 BTUSB_WIDEBAND_SPEECH }, 887 { USB_DEVICE(0x13d3, 0x3553), .driver_info = BTUSB_REALTEK | 888 BTUSB_WIDEBAND_SPEECH }, 889 { USB_DEVICE(0x13d3, 0x3555), .driver_info = BTUSB_REALTEK | 890 BTUSB_WIDEBAND_SPEECH }, 891 { USB_DEVICE(0x2ff8, 0x3051), .driver_info = BTUSB_REALTEK | 892 BTUSB_WIDEBAND_SPEECH }, 893 { USB_DEVICE(0x1358, 0xc123), .driver_info = BTUSB_REALTEK | 894 BTUSB_WIDEBAND_SPEECH }, 895 { USB_DEVICE(0x0bda, 0xc123), .driver_info = BTUSB_REALTEK | 896 BTUSB_WIDEBAND_SPEECH }, 897 { USB_DEVICE(0x1357, 0xc123), .driver_info = BTUSB_REALTEK | 898 BTUSB_WIDEBAND_SPEECH }, 899 { USB_DEVICE(0x0cb5, 0xc547), .driver_info = BTUSB_REALTEK | 900 BTUSB_WIDEBAND_SPEECH }, 901 902 /* Barrot Technology Bluetooth devices */ 903 { USB_DEVICE(0x33fa, 0x0010), .driver_info = BTUSB_BARROT }, 904 { USB_DEVICE(0x33fa, 0x0012), .driver_info = BTUSB_BARROT }, 905 906 /* Actions Semiconductor ATS2851 based devices */ 907 { USB_DEVICE(0x10d7, 0xb012), .driver_info = BTUSB_ACTIONS_SEMI }, 908 909 /* Silicon Wave based devices */ 910 { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE }, 911 912 { } /* Terminating entry */ 913 }; 914 915 /* The Bluetooth USB module build into some devices needs to be reset on resume, 916 * this is a problem with the platform (likely shutting off all power) not with 917 * the module itself. So we use a DMI list to match known broken platforms. 918 */ 919 static const struct dmi_system_id btusb_needs_reset_resume_table[] = { 920 { 921 /* Dell OptiPlex 3060 (QCA ROME device 0cf3:e007) */ 922 .matches = { 923 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 924 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 3060"), 925 }, 926 }, 927 { 928 /* Dell XPS 9360 (QCA ROME device 0cf3:e300) */ 929 .matches = { 930 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 931 DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9360"), 932 }, 933 }, 934 { 935 /* Dell Inspiron 5565 (QCA ROME device 0cf3:e009) */ 936 .matches = { 937 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 938 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5565"), 939 }, 940 }, 941 {} 942 }; 943 944 struct qca_dump_info { 945 /* fields for dump collection */ 946 u16 id_vendor; 947 u16 id_product; 948 u32 fw_version; 949 u32 controller_id; 950 u32 ram_dump_size; 951 u16 ram_dump_seqno; 952 }; 953 954 struct btqca_data { 955 struct qca_dump_info qca_dump; 956 }; 957 958 #define BTUSB_MAX_ISOC_FRAMES 10 959 960 #define BTUSB_INTR_RUNNING 0 961 #define BTUSB_BULK_RUNNING 1 962 #define BTUSB_ISOC_RUNNING 2 963 #define BTUSB_SUSPENDING 3 964 #define BTUSB_DID_ISO_RESUME 4 965 #define BTUSB_BOOTLOADER 5 966 #define BTUSB_DOWNLOADING 6 967 #define BTUSB_FIRMWARE_LOADED 7 968 #define BTUSB_FIRMWARE_FAILED 8 969 #define BTUSB_BOOTING 9 970 #define BTUSB_DIAG_RUNNING 10 971 #define BTUSB_OOB_WAKE_ENABLED 11 972 #define BTUSB_HW_RESET_ACTIVE 12 973 #define BTUSB_TX_WAIT_VND_EVT 13 974 #define BTUSB_WAKEUP_AUTOSUSPEND 14 975 #define BTUSB_USE_ALT3_FOR_WBS 15 976 #define BTUSB_ALT6_CONTINUOUS_TX 16 977 #define BTUSB_HW_SSR_ACTIVE 17 978 979 struct btusb_data { 980 struct hci_dev *hdev; 981 struct usb_device *udev; 982 struct usb_interface *intf; 983 struct usb_interface *isoc; 984 struct usb_interface *diag; 985 unsigned isoc_ifnum; 986 987 unsigned long flags; 988 989 bool poll_sync; 990 int intr_interval; 991 struct work_struct work; 992 struct work_struct waker; 993 struct delayed_work rx_work; 994 995 struct sk_buff_head acl_q; 996 997 struct usb_anchor deferred; 998 struct usb_anchor tx_anchor; 999 int tx_in_flight; 1000 spinlock_t txlock; 1001 1002 struct usb_anchor intr_anchor; 1003 struct usb_anchor bulk_anchor; 1004 struct usb_anchor isoc_anchor; 1005 struct usb_anchor diag_anchor; 1006 struct usb_anchor ctrl_anchor; 1007 spinlock_t rxlock; 1008 1009 struct sk_buff *evt_skb; 1010 struct sk_buff *acl_skb; 1011 struct sk_buff *sco_skb; 1012 1013 struct usb_endpoint_descriptor *intr_ep; 1014 struct usb_endpoint_descriptor *bulk_tx_ep; 1015 struct usb_endpoint_descriptor *bulk_rx_ep; 1016 struct usb_endpoint_descriptor *isoc_tx_ep; 1017 struct usb_endpoint_descriptor *isoc_rx_ep; 1018 struct usb_endpoint_descriptor *diag_tx_ep; 1019 struct usb_endpoint_descriptor *diag_rx_ep; 1020 1021 struct gpio_desc *reset_gpio; 1022 1023 __u8 cmdreq_type; 1024 __u8 cmdreq; 1025 1026 unsigned int sco_num; 1027 unsigned int air_mode; 1028 bool usb_alt6_packet_flow; 1029 int isoc_altsetting; 1030 int suspend_count; 1031 const struct usb_device_id *match_id; 1032 1033 int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb); 1034 int (*recv_acl)(struct hci_dev *hdev, struct sk_buff *skb); 1035 int (*recv_bulk)(struct btusb_data *data, void *buffer, int count); 1036 1037 int (*setup_on_usb)(struct hci_dev *hdev); 1038 1039 int (*suspend)(struct hci_dev *hdev); 1040 int (*resume)(struct hci_dev *hdev); 1041 int (*disconnect)(struct hci_dev *hdev); 1042 1043 int oob_wake_irq; /* irq for out-of-band wake-on-bt */ 1044 }; 1045 1046 static void btusb_reset(struct hci_dev *hdev) 1047 { 1048 struct btusb_data *data; 1049 int err; 1050 1051 data = hci_get_drvdata(hdev); 1052 /* This is not an unbalanced PM reference since the device will reset */ 1053 err = usb_autopm_get_interface(data->intf); 1054 if (err) { 1055 bt_dev_err(hdev, "Failed usb_autopm_get_interface: %d", err); 1056 return; 1057 } 1058 1059 bt_dev_err(hdev, "Resetting usb device."); 1060 usb_queue_reset_device(data->intf); 1061 } 1062 1063 static void btusb_intel_reset(struct hci_dev *hdev) 1064 { 1065 struct btusb_data *data = hci_get_drvdata(hdev); 1066 struct gpio_desc *reset_gpio = data->reset_gpio; 1067 struct btintel_data *intel_data = hci_get_priv(hdev); 1068 1069 if (intel_data->acpi_reset_method) { 1070 if (test_and_set_bit(INTEL_ACPI_RESET_ACTIVE, intel_data->flags)) { 1071 bt_dev_err(hdev, "acpi: last reset failed ? Not resetting again"); 1072 return; 1073 } 1074 1075 bt_dev_err(hdev, "Initiating acpi reset method"); 1076 /* If ACPI reset method fails, lets try with legacy GPIO 1077 * toggling 1078 */ 1079 if (!intel_data->acpi_reset_method(hdev)) { 1080 return; 1081 } 1082 } 1083 1084 if (!reset_gpio) { 1085 btusb_reset(hdev); 1086 return; 1087 } 1088 1089 /* 1090 * Toggle the hard reset line if the platform provides one. The reset 1091 * is going to yank the device off the USB and then replug. So doing 1092 * once is enough. The cleanup is handled correctly on the way out 1093 * (standard USB disconnect), and the new device is detected cleanly 1094 * and bound to the driver again like it should be. 1095 */ 1096 if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) { 1097 bt_dev_err(hdev, "last reset failed? Not resetting again"); 1098 return; 1099 } 1100 1101 bt_dev_err(hdev, "Initiating HW reset via gpio"); 1102 gpiod_set_value_cansleep(reset_gpio, 1); 1103 msleep(100); 1104 gpiod_set_value_cansleep(reset_gpio, 0); 1105 } 1106 1107 #define RTK_DEVCOREDUMP_CODE_MEMDUMP 0x01 1108 #define RTK_DEVCOREDUMP_CODE_HW_ERR 0x02 1109 #define RTK_DEVCOREDUMP_CODE_CMD_TIMEOUT 0x03 1110 1111 #define RTK_SUB_EVENT_CODE_COREDUMP 0x34 1112 1113 struct rtk_dev_coredump_hdr { 1114 u8 type; 1115 u8 code; 1116 u8 reserved[2]; 1117 } __packed; 1118 1119 static inline void btusb_rtl_alloc_devcoredump(struct hci_dev *hdev, 1120 struct rtk_dev_coredump_hdr *hdr, u8 *buf, u32 len) 1121 { 1122 struct sk_buff *skb; 1123 1124 skb = alloc_skb(len + sizeof(*hdr), GFP_ATOMIC); 1125 if (!skb) 1126 return; 1127 1128 skb_put_data(skb, hdr, sizeof(*hdr)); 1129 if (len) 1130 skb_put_data(skb, buf, len); 1131 1132 if (!hci_devcd_init(hdev, skb->len)) { 1133 hci_devcd_append(hdev, skb); 1134 hci_devcd_complete(hdev); 1135 } else { 1136 bt_dev_err(hdev, "RTL: Failed to generate devcoredump"); 1137 kfree_skb(skb); 1138 } 1139 } 1140 1141 static void btusb_rtl_reset(struct hci_dev *hdev) 1142 { 1143 struct btusb_data *data = hci_get_drvdata(hdev); 1144 struct gpio_desc *reset_gpio = data->reset_gpio; 1145 struct rtk_dev_coredump_hdr hdr = { 1146 .type = RTK_DEVCOREDUMP_CODE_CMD_TIMEOUT, 1147 }; 1148 1149 btusb_rtl_alloc_devcoredump(hdev, &hdr, NULL, 0); 1150 1151 if (!reset_gpio) { 1152 btusb_reset(hdev); 1153 return; 1154 } 1155 1156 /* Toggle the hard reset line. The Realtek device is going to 1157 * yank itself off the USB and then replug. The cleanup is handled 1158 * correctly on the way out (standard USB disconnect), and the new 1159 * device is detected cleanly and bound to the driver again like 1160 * it should be. 1161 */ 1162 if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) { 1163 bt_dev_err(hdev, "last reset failed? Not resetting again"); 1164 return; 1165 } 1166 1167 bt_dev_err(hdev, "Reset Realtek device via gpio"); 1168 gpiod_set_value_cansleep(reset_gpio, 1); 1169 msleep(200); 1170 gpiod_set_value_cansleep(reset_gpio, 0); 1171 } 1172 1173 static void btusb_rtl_hw_error(struct hci_dev *hdev, u8 code) 1174 { 1175 struct rtk_dev_coredump_hdr hdr = { 1176 .type = RTK_DEVCOREDUMP_CODE_HW_ERR, 1177 .code = code, 1178 }; 1179 1180 bt_dev_err(hdev, "RTL: hw err, trigger devcoredump (%d)", code); 1181 1182 btusb_rtl_alloc_devcoredump(hdev, &hdr, NULL, 0); 1183 } 1184 1185 static void btusb_qca_reset(struct hci_dev *hdev) 1186 { 1187 struct btusb_data *data = hci_get_drvdata(hdev); 1188 struct gpio_desc *reset_gpio = data->reset_gpio; 1189 1190 if (test_bit(BTUSB_HW_SSR_ACTIVE, &data->flags)) { 1191 bt_dev_info(hdev, "Ramdump in progress, defer reset"); 1192 return; 1193 } 1194 1195 if (reset_gpio) { 1196 bt_dev_err(hdev, "Reset qca device via bt_en gpio"); 1197 1198 /* Toggle the hard reset line. The qca bt device is going to 1199 * yank itself off the USB and then replug. The cleanup is handled 1200 * correctly on the way out (standard USB disconnect), and the new 1201 * device is detected cleanly and bound to the driver again like 1202 * it should be. 1203 */ 1204 if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) { 1205 bt_dev_err(hdev, "last reset failed? Not resetting again"); 1206 return; 1207 } 1208 1209 gpiod_set_value_cansleep(reset_gpio, 0); 1210 msleep(200); 1211 gpiod_set_value_cansleep(reset_gpio, 1); 1212 1213 return; 1214 } 1215 1216 btusb_reset(hdev); 1217 } 1218 1219 static u8 btusb_classify_qca_pkt_type(struct hci_dev *hdev, struct sk_buff *skb) 1220 { 1221 /* Some Qualcomm controllers, e.g., QCNFA765 with WCN6855 chip, send debug 1222 * packets as ACL frames with connection handle 0x2EDC. These are not real 1223 * ACL packets and should be reclassified as HCI_DIAG_PKT to prevent 1224 * "ACL packet for unknown connection handle 3804" errors. 1225 */ 1226 if (skb->len >= 2) { 1227 u16 handle = get_unaligned_le16(skb->data); 1228 1229 if (handle == 0x2EDC) 1230 return HCI_DIAG_PKT; 1231 } 1232 1233 /* Use default packet type for other packets */ 1234 return hci_skb_pkt_type(skb); 1235 } 1236 1237 static inline void btusb_free_frags(struct btusb_data *data) 1238 { 1239 unsigned long flags; 1240 1241 spin_lock_irqsave(&data->rxlock, flags); 1242 1243 dev_kfree_skb_irq(data->evt_skb); 1244 data->evt_skb = NULL; 1245 1246 dev_kfree_skb_irq(data->acl_skb); 1247 data->acl_skb = NULL; 1248 1249 dev_kfree_skb_irq(data->sco_skb); 1250 data->sco_skb = NULL; 1251 1252 spin_unlock_irqrestore(&data->rxlock, flags); 1253 } 1254 1255 static int btusb_recv_event(struct hci_dev *hdev, struct sk_buff *skb) 1256 { 1257 struct btusb_data *data = hci_get_drvdata(hdev); 1258 1259 if (data->intr_interval) { 1260 /* Trigger dequeue immediately if an event is received */ 1261 schedule_delayed_work(&data->rx_work, 0); 1262 } 1263 1264 return data->recv_event(hdev, skb); 1265 } 1266 1267 static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count) 1268 { 1269 struct sk_buff *skb; 1270 unsigned long flags; 1271 int err = 0; 1272 1273 spin_lock_irqsave(&data->rxlock, flags); 1274 skb = data->evt_skb; 1275 1276 while (count) { 1277 int len; 1278 1279 if (!skb) { 1280 skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC); 1281 if (!skb) { 1282 err = -ENOMEM; 1283 break; 1284 } 1285 1286 hci_skb_pkt_type(skb) = HCI_EVENT_PKT; 1287 hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE; 1288 } 1289 1290 len = min_t(uint, hci_skb_expect(skb), count); 1291 skb_put_data(skb, buffer, len); 1292 1293 count -= len; 1294 buffer += len; 1295 hci_skb_expect(skb) -= len; 1296 1297 if (skb->len == HCI_EVENT_HDR_SIZE) { 1298 /* Complete event header */ 1299 hci_skb_expect(skb) = hci_event_hdr(skb)->plen; 1300 1301 if (skb_tailroom(skb) < hci_skb_expect(skb)) { 1302 kfree_skb(skb); 1303 skb = NULL; 1304 1305 err = -EILSEQ; 1306 break; 1307 } 1308 } 1309 1310 if (!hci_skb_expect(skb)) { 1311 /* Each chunk should correspond to at least 1 or more 1312 * events so if there are still bytes left that doesn't 1313 * constitute a new event this is likely a bug in the 1314 * controller. 1315 */ 1316 if (count && count < HCI_EVENT_HDR_SIZE) { 1317 bt_dev_warn(data->hdev, 1318 "Unexpected continuation: %d bytes", 1319 count); 1320 count = 0; 1321 } 1322 1323 /* Complete frame */ 1324 btusb_recv_event(data->hdev, skb); 1325 skb = NULL; 1326 } 1327 } 1328 1329 data->evt_skb = skb; 1330 spin_unlock_irqrestore(&data->rxlock, flags); 1331 1332 return err; 1333 } 1334 1335 static int btusb_recv_acl(struct hci_dev *hdev, struct sk_buff *skb) 1336 { 1337 struct btusb_data *data = hci_get_drvdata(hdev); 1338 1339 /* Only queue ACL packet if intr_interval is set as it means 1340 * force_poll_sync has been enabled. 1341 */ 1342 if (!data->intr_interval) 1343 return data->recv_acl(hdev, skb); 1344 1345 skb_queue_tail(&data->acl_q, skb); 1346 schedule_delayed_work(&data->rx_work, data->intr_interval); 1347 1348 return 0; 1349 } 1350 1351 static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count) 1352 { 1353 struct sk_buff *skb; 1354 unsigned long flags; 1355 int err = 0; 1356 1357 spin_lock_irqsave(&data->rxlock, flags); 1358 skb = data->acl_skb; 1359 1360 while (count) { 1361 int len; 1362 1363 if (!skb) { 1364 skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC); 1365 if (!skb) { 1366 err = -ENOMEM; 1367 break; 1368 } 1369 1370 hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT; 1371 hci_skb_expect(skb) = HCI_ACL_HDR_SIZE; 1372 } 1373 1374 len = min_t(uint, hci_skb_expect(skb), count); 1375 skb_put_data(skb, buffer, len); 1376 1377 count -= len; 1378 buffer += len; 1379 hci_skb_expect(skb) -= len; 1380 1381 if (skb->len == HCI_ACL_HDR_SIZE) { 1382 /* Complete ACL header */ 1383 hci_skb_expect(skb) = hci_acl_dlen(skb); 1384 1385 if (skb_tailroom(skb) < hci_skb_expect(skb)) { 1386 kfree_skb(skb); 1387 skb = NULL; 1388 1389 err = -EILSEQ; 1390 break; 1391 } 1392 } 1393 1394 if (!hci_skb_expect(skb)) { 1395 /* Complete frame */ 1396 btusb_recv_acl(data->hdev, skb); 1397 skb = NULL; 1398 } 1399 } 1400 1401 data->acl_skb = skb; 1402 spin_unlock_irqrestore(&data->rxlock, flags); 1403 1404 return err; 1405 } 1406 1407 static bool btusb_validate_sco_handle(struct hci_dev *hdev, 1408 struct hci_sco_hdr *hdr) 1409 { 1410 __u16 handle; 1411 1412 if (hci_dev_test_flag(hdev, HCI_USER_CHANNEL)) 1413 // Can't validate, userspace controls everything. 1414 return true; 1415 1416 /* 1417 * USB isochronous transfers are not designed to be reliable and may 1418 * lose fragments. When this happens, the next first fragment 1419 * encountered might actually be a continuation fragment. 1420 * Validate the handle to detect it and drop it, or else the upper 1421 * layer will get garbage for a while. 1422 */ 1423 1424 handle = hci_handle(__le16_to_cpu(hdr->handle)); 1425 1426 switch (hci_conn_lookup_type(hdev, handle)) { 1427 case SCO_LINK: 1428 case ESCO_LINK: 1429 return true; 1430 default: 1431 return false; 1432 } 1433 } 1434 1435 static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count) 1436 { 1437 struct sk_buff *skb; 1438 unsigned long flags; 1439 int err = 0; 1440 1441 spin_lock_irqsave(&data->rxlock, flags); 1442 skb = data->sco_skb; 1443 1444 while (count) { 1445 int len; 1446 1447 if (!skb) { 1448 skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC); 1449 if (!skb) { 1450 err = -ENOMEM; 1451 break; 1452 } 1453 1454 hci_skb_pkt_type(skb) = HCI_SCODATA_PKT; 1455 hci_skb_expect(skb) = HCI_SCO_HDR_SIZE; 1456 } 1457 1458 len = min_t(uint, hci_skb_expect(skb), count); 1459 skb_put_data(skb, buffer, len); 1460 1461 count -= len; 1462 buffer += len; 1463 hci_skb_expect(skb) -= len; 1464 1465 if (skb->len == HCI_SCO_HDR_SIZE) { 1466 /* Complete SCO header */ 1467 struct hci_sco_hdr *hdr = hci_sco_hdr(skb); 1468 1469 hci_skb_expect(skb) = hdr->dlen; 1470 1471 if (skb_tailroom(skb) < hci_skb_expect(skb) || 1472 !btusb_validate_sco_handle(data->hdev, hdr)) { 1473 kfree_skb(skb); 1474 skb = NULL; 1475 1476 err = -EILSEQ; 1477 break; 1478 } 1479 } 1480 1481 if (!hci_skb_expect(skb)) { 1482 /* Complete frame */ 1483 hci_recv_frame(data->hdev, skb); 1484 skb = NULL; 1485 } 1486 } 1487 1488 data->sco_skb = skb; 1489 spin_unlock_irqrestore(&data->rxlock, flags); 1490 1491 return err; 1492 } 1493 1494 static void btusb_intr_complete(struct urb *urb) 1495 { 1496 struct hci_dev *hdev = urb->context; 1497 struct btusb_data *data = hci_get_drvdata(hdev); 1498 int err; 1499 1500 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, 1501 urb->actual_length); 1502 1503 if (!test_bit(HCI_RUNNING, &hdev->flags)) 1504 return; 1505 1506 if (urb->status == 0) { 1507 hdev->stat.byte_rx += urb->actual_length; 1508 1509 if (btusb_recv_intr(data, urb->transfer_buffer, 1510 urb->actual_length) < 0) { 1511 bt_dev_err(hdev, "corrupted event packet"); 1512 hdev->stat.err_rx++; 1513 } 1514 } else if (urb->status == -ENOENT) { 1515 /* Avoid suspend failed when usb_kill_urb */ 1516 return; 1517 } 1518 1519 if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) 1520 return; 1521 1522 usb_mark_last_busy(data->udev); 1523 usb_anchor_urb(urb, &data->intr_anchor); 1524 1525 err = usb_submit_urb(urb, GFP_ATOMIC); 1526 if (err < 0) { 1527 /* -EPERM: urb is being killed; 1528 * -ENODEV: device got disconnected 1529 */ 1530 if (err != -EPERM && err != -ENODEV) 1531 bt_dev_err(hdev, "urb %p failed to resubmit (%d)", 1532 urb, -err); 1533 if (err != -EPERM) 1534 hci_cmd_sync_cancel(hdev, -err); 1535 usb_unanchor_urb(urb); 1536 } 1537 } 1538 1539 static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) 1540 { 1541 struct btusb_data *data = hci_get_drvdata(hdev); 1542 struct urb *urb; 1543 unsigned char *buf; 1544 unsigned int pipe; 1545 int err, size; 1546 1547 BT_DBG("%s", hdev->name); 1548 1549 if (!data->intr_ep) 1550 return -ENODEV; 1551 1552 urb = usb_alloc_urb(0, mem_flags); 1553 if (!urb) 1554 return -ENOMEM; 1555 1556 if (le16_to_cpu(data->udev->descriptor.idVendor) == 0x0a12 && 1557 le16_to_cpu(data->udev->descriptor.idProduct) == 0x0001) 1558 /* Fake CSR devices don't seem to support sort-transter */ 1559 size = le16_to_cpu(data->intr_ep->wMaxPacketSize); 1560 else 1561 /* Use maximum HCI Event size so the USB stack handles 1562 * ZPL/short-transfer automatically. 1563 */ 1564 size = HCI_MAX_EVENT_SIZE; 1565 1566 buf = kmalloc(size, mem_flags); 1567 if (!buf) { 1568 usb_free_urb(urb); 1569 return -ENOMEM; 1570 } 1571 1572 pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); 1573 1574 usb_fill_int_urb(urb, data->udev, pipe, buf, size, 1575 btusb_intr_complete, hdev, data->intr_ep->bInterval); 1576 1577 urb->transfer_flags |= URB_FREE_BUFFER; 1578 1579 usb_anchor_urb(urb, &data->intr_anchor); 1580 1581 err = usb_submit_urb(urb, mem_flags); 1582 if (err < 0) { 1583 if (err != -EPERM && err != -ENODEV) 1584 bt_dev_err(hdev, "urb %p submission failed (%d)", 1585 urb, -err); 1586 if (err != -EPERM) 1587 hci_cmd_sync_cancel(hdev, -err); 1588 usb_unanchor_urb(urb); 1589 } 1590 1591 /* Only initialize intr_interval if URB poll sync is enabled */ 1592 if (!data->poll_sync) 1593 goto done; 1594 1595 /* The units are frames (milliseconds) for full and low speed devices, 1596 * and microframes (1/8 millisecond) for highspeed and SuperSpeed 1597 * devices. 1598 * 1599 * This is done once on open/resume so it shouldn't change even if 1600 * force_poll_sync changes. 1601 */ 1602 switch (urb->dev->speed) { 1603 case USB_SPEED_SUPER_PLUS: 1604 case USB_SPEED_SUPER: /* units are 125us */ 1605 data->intr_interval = usecs_to_jiffies(urb->interval * 125); 1606 break; 1607 default: 1608 data->intr_interval = msecs_to_jiffies(urb->interval); 1609 break; 1610 } 1611 1612 done: 1613 usb_free_urb(urb); 1614 1615 return err; 1616 } 1617 1618 static void btusb_bulk_complete(struct urb *urb) 1619 { 1620 struct hci_dev *hdev = urb->context; 1621 struct btusb_data *data = hci_get_drvdata(hdev); 1622 int err; 1623 1624 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, 1625 urb->actual_length); 1626 1627 if (!test_bit(HCI_RUNNING, &hdev->flags)) 1628 return; 1629 1630 if (urb->status == 0) { 1631 hdev->stat.byte_rx += urb->actual_length; 1632 1633 if (data->recv_bulk(data, urb->transfer_buffer, 1634 urb->actual_length) < 0) { 1635 bt_dev_err(hdev, "corrupted ACL packet"); 1636 hdev->stat.err_rx++; 1637 } 1638 } else if (urb->status == -ENOENT) { 1639 /* Avoid suspend failed when usb_kill_urb */ 1640 return; 1641 } 1642 1643 if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) 1644 return; 1645 1646 usb_anchor_urb(urb, &data->bulk_anchor); 1647 usb_mark_last_busy(data->udev); 1648 1649 err = usb_submit_urb(urb, GFP_ATOMIC); 1650 if (err < 0) { 1651 /* -EPERM: urb is being killed; 1652 * -ENODEV: device got disconnected 1653 */ 1654 if (err != -EPERM && err != -ENODEV) 1655 bt_dev_err(hdev, "urb %p failed to resubmit (%d)", 1656 urb, -err); 1657 usb_unanchor_urb(urb); 1658 } 1659 } 1660 1661 static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) 1662 { 1663 struct btusb_data *data = hci_get_drvdata(hdev); 1664 struct urb *urb; 1665 unsigned char *buf; 1666 unsigned int pipe; 1667 int err, size = HCI_MAX_FRAME_SIZE; 1668 1669 BT_DBG("%s", hdev->name); 1670 1671 if (!data->bulk_rx_ep) 1672 return -ENODEV; 1673 1674 urb = usb_alloc_urb(0, mem_flags); 1675 if (!urb) 1676 return -ENOMEM; 1677 1678 buf = kmalloc(size, mem_flags); 1679 if (!buf) { 1680 usb_free_urb(urb); 1681 return -ENOMEM; 1682 } 1683 1684 pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); 1685 1686 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, 1687 btusb_bulk_complete, hdev); 1688 1689 urb->transfer_flags |= URB_FREE_BUFFER; 1690 1691 usb_mark_last_busy(data->udev); 1692 usb_anchor_urb(urb, &data->bulk_anchor); 1693 1694 err = usb_submit_urb(urb, mem_flags); 1695 if (err < 0) { 1696 if (err != -EPERM && err != -ENODEV) 1697 bt_dev_err(hdev, "urb %p submission failed (%d)", 1698 urb, -err); 1699 usb_unanchor_urb(urb); 1700 } 1701 1702 usb_free_urb(urb); 1703 1704 return err; 1705 } 1706 1707 static void btusb_isoc_complete(struct urb *urb) 1708 { 1709 struct hci_dev *hdev = urb->context; 1710 struct btusb_data *data = hci_get_drvdata(hdev); 1711 int i, err; 1712 1713 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, 1714 urb->actual_length); 1715 1716 if (!test_bit(HCI_RUNNING, &hdev->flags)) 1717 return; 1718 1719 if (urb->status == 0) { 1720 for (i = 0; i < urb->number_of_packets; i++) { 1721 unsigned int offset = urb->iso_frame_desc[i].offset; 1722 unsigned int length = urb->iso_frame_desc[i].actual_length; 1723 1724 if (urb->iso_frame_desc[i].status) 1725 continue; 1726 1727 hdev->stat.byte_rx += length; 1728 1729 if (btusb_recv_isoc(data, urb->transfer_buffer + offset, 1730 length) < 0) { 1731 bt_dev_err(hdev, "corrupted SCO packet"); 1732 hdev->stat.err_rx++; 1733 } 1734 } 1735 } else if (urb->status == -ENOENT) { 1736 /* Avoid suspend failed when usb_kill_urb */ 1737 return; 1738 } 1739 1740 if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) 1741 return; 1742 1743 usb_anchor_urb(urb, &data->isoc_anchor); 1744 1745 err = usb_submit_urb(urb, GFP_ATOMIC); 1746 if (err < 0) { 1747 /* -EPERM: urb is being killed; 1748 * -ENODEV: device got disconnected 1749 */ 1750 if (err != -EPERM && err != -ENODEV) 1751 bt_dev_err(hdev, "urb %p failed to resubmit (%d)", 1752 urb, -err); 1753 usb_unanchor_urb(urb); 1754 } 1755 } 1756 1757 static inline void __fill_isoc_descriptor_msbc(struct urb *urb, int len, 1758 int mtu, struct btusb_data *data) 1759 { 1760 int i = 0, offset = 0; 1761 unsigned int interval; 1762 1763 BT_DBG("len %d mtu %d", len, mtu); 1764 1765 /* For mSBC ALT 6 settings some chips need to transmit the data 1766 * continuously without the zero length of USB packets. 1767 */ 1768 if (test_bit(BTUSB_ALT6_CONTINUOUS_TX, &data->flags)) 1769 goto ignore_usb_alt6_packet_flow; 1770 1771 /* For mSBC ALT 6 setting the host will send the packet at continuous 1772 * flow. As per core spec 5, vol 4, part B, table 2.1. For ALT setting 1773 * 6 the HCI PACKET INTERVAL should be 7.5ms for every usb packets. 1774 * To maintain the rate we send 63bytes of usb packets alternatively for 1775 * 7ms and 8ms to maintain the rate as 7.5ms. 1776 */ 1777 if (data->usb_alt6_packet_flow) { 1778 interval = 7; 1779 data->usb_alt6_packet_flow = false; 1780 } else { 1781 interval = 6; 1782 data->usb_alt6_packet_flow = true; 1783 } 1784 1785 for (i = 0; i < interval; i++) { 1786 urb->iso_frame_desc[i].offset = offset; 1787 urb->iso_frame_desc[i].length = offset; 1788 } 1789 1790 ignore_usb_alt6_packet_flow: 1791 if (len && i < BTUSB_MAX_ISOC_FRAMES) { 1792 urb->iso_frame_desc[i].offset = offset; 1793 urb->iso_frame_desc[i].length = len; 1794 i++; 1795 } 1796 1797 urb->number_of_packets = i; 1798 } 1799 1800 static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) 1801 { 1802 int i, offset = 0; 1803 1804 BT_DBG("len %d mtu %d", len, mtu); 1805 1806 for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; 1807 i++, offset += mtu, len -= mtu) { 1808 urb->iso_frame_desc[i].offset = offset; 1809 urb->iso_frame_desc[i].length = mtu; 1810 } 1811 1812 if (len && i < BTUSB_MAX_ISOC_FRAMES) { 1813 urb->iso_frame_desc[i].offset = offset; 1814 urb->iso_frame_desc[i].length = len; 1815 i++; 1816 } 1817 1818 urb->number_of_packets = i; 1819 } 1820 1821 static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) 1822 { 1823 struct btusb_data *data = hci_get_drvdata(hdev); 1824 struct urb *urb; 1825 unsigned char *buf; 1826 unsigned int pipe; 1827 int err, size; 1828 1829 BT_DBG("%s", hdev->name); 1830 1831 if (!data->isoc_rx_ep) 1832 return -ENODEV; 1833 1834 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); 1835 if (!urb) 1836 return -ENOMEM; 1837 1838 size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * 1839 BTUSB_MAX_ISOC_FRAMES; 1840 1841 buf = kmalloc(size, mem_flags); 1842 if (!buf) { 1843 usb_free_urb(urb); 1844 return -ENOMEM; 1845 } 1846 1847 pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); 1848 1849 usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, 1850 hdev, data->isoc_rx_ep->bInterval); 1851 1852 urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; 1853 1854 __fill_isoc_descriptor(urb, size, 1855 le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); 1856 1857 usb_anchor_urb(urb, &data->isoc_anchor); 1858 1859 err = usb_submit_urb(urb, mem_flags); 1860 if (err < 0) { 1861 if (err != -EPERM && err != -ENODEV) 1862 bt_dev_err(hdev, "urb %p submission failed (%d)", 1863 urb, -err); 1864 usb_unanchor_urb(urb); 1865 } 1866 1867 usb_free_urb(urb); 1868 1869 return err; 1870 } 1871 1872 static void btusb_diag_complete(struct urb *urb) 1873 { 1874 struct hci_dev *hdev = urb->context; 1875 struct btusb_data *data = hci_get_drvdata(hdev); 1876 int err; 1877 1878 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, 1879 urb->actual_length); 1880 1881 if (urb->status == 0) { 1882 struct sk_buff *skb; 1883 1884 skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC); 1885 if (skb) { 1886 skb_put_data(skb, urb->transfer_buffer, 1887 urb->actual_length); 1888 hci_recv_diag(hdev, skb); 1889 } 1890 } else if (urb->status == -ENOENT) { 1891 /* Avoid suspend failed when usb_kill_urb */ 1892 return; 1893 } 1894 1895 if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags)) 1896 return; 1897 1898 usb_anchor_urb(urb, &data->diag_anchor); 1899 usb_mark_last_busy(data->udev); 1900 1901 err = usb_submit_urb(urb, GFP_ATOMIC); 1902 if (err < 0) { 1903 /* -EPERM: urb is being killed; 1904 * -ENODEV: device got disconnected 1905 */ 1906 if (err != -EPERM && err != -ENODEV) 1907 bt_dev_err(hdev, "urb %p failed to resubmit (%d)", 1908 urb, -err); 1909 usb_unanchor_urb(urb); 1910 } 1911 } 1912 1913 static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags) 1914 { 1915 struct btusb_data *data = hci_get_drvdata(hdev); 1916 struct urb *urb; 1917 unsigned char *buf; 1918 unsigned int pipe; 1919 int err, size = HCI_MAX_FRAME_SIZE; 1920 1921 BT_DBG("%s", hdev->name); 1922 1923 if (!data->diag_rx_ep) 1924 return -ENODEV; 1925 1926 urb = usb_alloc_urb(0, mem_flags); 1927 if (!urb) 1928 return -ENOMEM; 1929 1930 buf = kmalloc(size, mem_flags); 1931 if (!buf) { 1932 usb_free_urb(urb); 1933 return -ENOMEM; 1934 } 1935 1936 pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress); 1937 1938 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, 1939 btusb_diag_complete, hdev); 1940 1941 urb->transfer_flags |= URB_FREE_BUFFER; 1942 1943 usb_mark_last_busy(data->udev); 1944 usb_anchor_urb(urb, &data->diag_anchor); 1945 1946 err = usb_submit_urb(urb, mem_flags); 1947 if (err < 0) { 1948 if (err != -EPERM && err != -ENODEV) 1949 bt_dev_err(hdev, "urb %p submission failed (%d)", 1950 urb, -err); 1951 usb_unanchor_urb(urb); 1952 } 1953 1954 usb_free_urb(urb); 1955 1956 return err; 1957 } 1958 1959 static void btusb_tx_complete(struct urb *urb) 1960 { 1961 struct sk_buff *skb = urb->context; 1962 struct hci_dev *hdev = (struct hci_dev *)skb->dev; 1963 struct btusb_data *data = hci_get_drvdata(hdev); 1964 unsigned long flags; 1965 1966 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, 1967 urb->actual_length); 1968 1969 if (!test_bit(HCI_RUNNING, &hdev->flags)) 1970 goto done; 1971 1972 if (!urb->status) { 1973 hdev->stat.byte_tx += urb->transfer_buffer_length; 1974 } else { 1975 if (hci_skb_pkt_type(skb) == HCI_COMMAND_PKT) 1976 hci_cmd_sync_cancel(hdev, -urb->status); 1977 hdev->stat.err_tx++; 1978 } 1979 1980 done: 1981 spin_lock_irqsave(&data->txlock, flags); 1982 data->tx_in_flight--; 1983 spin_unlock_irqrestore(&data->txlock, flags); 1984 1985 kfree(urb->setup_packet); 1986 1987 kfree_skb(skb); 1988 } 1989 1990 static void btusb_isoc_tx_complete(struct urb *urb) 1991 { 1992 struct sk_buff *skb = urb->context; 1993 struct hci_dev *hdev = (struct hci_dev *)skb->dev; 1994 1995 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, 1996 urb->actual_length); 1997 1998 if (!test_bit(HCI_RUNNING, &hdev->flags)) 1999 goto done; 2000 2001 if (!urb->status) 2002 hdev->stat.byte_tx += urb->transfer_buffer_length; 2003 else 2004 hdev->stat.err_tx++; 2005 2006 done: 2007 kfree(urb->setup_packet); 2008 2009 kfree_skb(skb); 2010 } 2011 2012 static int btusb_open(struct hci_dev *hdev) 2013 { 2014 struct btusb_data *data = hci_get_drvdata(hdev); 2015 int err; 2016 2017 BT_DBG("%s", hdev->name); 2018 2019 err = usb_autopm_get_interface(data->intf); 2020 if (err < 0) 2021 return err; 2022 2023 /* Patching USB firmware files prior to starting any URBs of HCI path 2024 * It is more safe to use USB bulk channel for downloading USB patch 2025 */ 2026 if (data->setup_on_usb) { 2027 err = data->setup_on_usb(hdev); 2028 if (err < 0) 2029 goto setup_fail; 2030 } 2031 2032 data->intf->needs_remote_wakeup = 1; 2033 2034 if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) 2035 goto done; 2036 2037 err = btusb_submit_intr_urb(hdev, GFP_KERNEL); 2038 if (err < 0) 2039 goto failed; 2040 2041 err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); 2042 if (err < 0) { 2043 usb_kill_anchored_urbs(&data->intr_anchor); 2044 goto failed; 2045 } 2046 2047 set_bit(BTUSB_BULK_RUNNING, &data->flags); 2048 btusb_submit_bulk_urb(hdev, GFP_KERNEL); 2049 2050 if (data->diag) { 2051 if (!btusb_submit_diag_urb(hdev, GFP_KERNEL)) 2052 set_bit(BTUSB_DIAG_RUNNING, &data->flags); 2053 } 2054 2055 done: 2056 usb_autopm_put_interface(data->intf); 2057 return 0; 2058 2059 failed: 2060 clear_bit(BTUSB_INTR_RUNNING, &data->flags); 2061 setup_fail: 2062 usb_autopm_put_interface(data->intf); 2063 return err; 2064 } 2065 2066 static void btusb_stop_traffic(struct btusb_data *data) 2067 { 2068 usb_kill_anchored_urbs(&data->intr_anchor); 2069 usb_kill_anchored_urbs(&data->bulk_anchor); 2070 usb_kill_anchored_urbs(&data->isoc_anchor); 2071 usb_kill_anchored_urbs(&data->diag_anchor); 2072 usb_kill_anchored_urbs(&data->ctrl_anchor); 2073 } 2074 2075 static void btusb_prepare_reset(struct hci_dev *hdev) 2076 { 2077 struct btusb_data *data = hci_get_drvdata(hdev); 2078 2079 btusb_stop_traffic(data); 2080 usb_kill_anchored_urbs(&data->tx_anchor); 2081 } 2082 2083 static int btusb_close(struct hci_dev *hdev) 2084 { 2085 struct btusb_data *data = hci_get_drvdata(hdev); 2086 int err; 2087 2088 BT_DBG("%s", hdev->name); 2089 2090 cancel_delayed_work(&data->rx_work); 2091 cancel_work_sync(&data->work); 2092 cancel_work_sync(&data->waker); 2093 2094 skb_queue_purge(&data->acl_q); 2095 2096 clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 2097 clear_bit(BTUSB_BULK_RUNNING, &data->flags); 2098 clear_bit(BTUSB_INTR_RUNNING, &data->flags); 2099 clear_bit(BTUSB_DIAG_RUNNING, &data->flags); 2100 2101 btusb_stop_traffic(data); 2102 btusb_free_frags(data); 2103 2104 err = usb_autopm_get_interface(data->intf); 2105 if (err < 0) 2106 goto failed; 2107 2108 data->intf->needs_remote_wakeup = 0; 2109 2110 /* Enable remote wake up for auto-suspend */ 2111 if (test_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags)) 2112 data->intf->needs_remote_wakeup = 1; 2113 2114 usb_autopm_put_interface(data->intf); 2115 2116 failed: 2117 usb_scuttle_anchored_urbs(&data->deferred); 2118 return 0; 2119 } 2120 2121 static int btusb_flush(struct hci_dev *hdev) 2122 { 2123 struct btusb_data *data = hci_get_drvdata(hdev); 2124 2125 BT_DBG("%s", hdev->name); 2126 2127 cancel_delayed_work(&data->rx_work); 2128 2129 skb_queue_purge(&data->acl_q); 2130 2131 usb_kill_anchored_urbs(&data->tx_anchor); 2132 btusb_free_frags(data); 2133 2134 return 0; 2135 } 2136 2137 static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb) 2138 { 2139 struct btusb_data *data = hci_get_drvdata(hdev); 2140 struct usb_ctrlrequest *dr; 2141 struct urb *urb; 2142 unsigned int pipe; 2143 2144 urb = usb_alloc_urb(0, GFP_KERNEL); 2145 if (!urb) 2146 return ERR_PTR(-ENOMEM); 2147 2148 dr = kmalloc_obj(*dr); 2149 if (!dr) { 2150 usb_free_urb(urb); 2151 return ERR_PTR(-ENOMEM); 2152 } 2153 2154 dr->bRequestType = data->cmdreq_type; 2155 dr->bRequest = data->cmdreq; 2156 dr->wIndex = 0; 2157 dr->wValue = 0; 2158 dr->wLength = __cpu_to_le16(skb->len); 2159 2160 pipe = usb_sndctrlpipe(data->udev, 0x00); 2161 2162 usb_fill_control_urb(urb, data->udev, pipe, (void *)dr, 2163 skb->data, skb->len, btusb_tx_complete, skb); 2164 2165 skb->dev = (void *)hdev; 2166 2167 return urb; 2168 } 2169 2170 static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb) 2171 { 2172 struct btusb_data *data = hci_get_drvdata(hdev); 2173 struct urb *urb; 2174 unsigned int pipe; 2175 2176 if (!data->bulk_tx_ep) 2177 return ERR_PTR(-ENODEV); 2178 2179 urb = usb_alloc_urb(0, GFP_KERNEL); 2180 if (!urb) 2181 return ERR_PTR(-ENOMEM); 2182 2183 pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress); 2184 2185 usb_fill_bulk_urb(urb, data->udev, pipe, 2186 skb->data, skb->len, btusb_tx_complete, skb); 2187 2188 skb->dev = (void *)hdev; 2189 2190 return urb; 2191 } 2192 2193 static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb) 2194 { 2195 struct btusb_data *data = hci_get_drvdata(hdev); 2196 struct urb *urb; 2197 unsigned int pipe; 2198 2199 if (!data->isoc_tx_ep) 2200 return ERR_PTR(-ENODEV); 2201 2202 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL); 2203 if (!urb) 2204 return ERR_PTR(-ENOMEM); 2205 2206 pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress); 2207 2208 usb_fill_int_urb(urb, data->udev, pipe, 2209 skb->data, skb->len, btusb_isoc_tx_complete, 2210 skb, data->isoc_tx_ep->bInterval); 2211 2212 urb->transfer_flags = URB_ISO_ASAP; 2213 2214 if (data->isoc_altsetting == 6) 2215 __fill_isoc_descriptor_msbc(urb, skb->len, 2216 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize), 2217 data); 2218 else 2219 __fill_isoc_descriptor(urb, skb->len, 2220 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); 2221 skb->dev = (void *)hdev; 2222 2223 return urb; 2224 } 2225 2226 static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb) 2227 { 2228 struct btusb_data *data = hci_get_drvdata(hdev); 2229 int err; 2230 2231 usb_anchor_urb(urb, &data->tx_anchor); 2232 2233 err = usb_submit_urb(urb, GFP_KERNEL); 2234 if (err < 0) { 2235 if (err != -EPERM && err != -ENODEV) 2236 bt_dev_err(hdev, "urb %p submission failed (%d)", 2237 urb, -err); 2238 kfree(urb->setup_packet); 2239 usb_unanchor_urb(urb); 2240 } else { 2241 usb_mark_last_busy(data->udev); 2242 } 2243 2244 usb_free_urb(urb); 2245 return err; 2246 } 2247 2248 static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb) 2249 { 2250 struct btusb_data *data = hci_get_drvdata(hdev); 2251 unsigned long flags; 2252 bool suspending; 2253 2254 spin_lock_irqsave(&data->txlock, flags); 2255 suspending = test_bit(BTUSB_SUSPENDING, &data->flags); 2256 if (!suspending) 2257 data->tx_in_flight++; 2258 spin_unlock_irqrestore(&data->txlock, flags); 2259 2260 if (!suspending) 2261 return submit_tx_urb(hdev, urb); 2262 2263 usb_anchor_urb(urb, &data->deferred); 2264 schedule_work(&data->waker); 2265 2266 usb_free_urb(urb); 2267 return 0; 2268 } 2269 2270 static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) 2271 { 2272 struct urb *urb; 2273 2274 BT_DBG("%s", hdev->name); 2275 2276 switch (hci_skb_pkt_type(skb)) { 2277 case HCI_COMMAND_PKT: 2278 urb = alloc_ctrl_urb(hdev, skb); 2279 if (IS_ERR(urb)) 2280 return PTR_ERR(urb); 2281 2282 hdev->stat.cmd_tx++; 2283 return submit_or_queue_tx_urb(hdev, urb); 2284 2285 case HCI_ACLDATA_PKT: 2286 urb = alloc_bulk_urb(hdev, skb); 2287 if (IS_ERR(urb)) 2288 return PTR_ERR(urb); 2289 2290 hdev->stat.acl_tx++; 2291 return submit_or_queue_tx_urb(hdev, urb); 2292 2293 case HCI_SCODATA_PKT: 2294 if (!hci_dev_test_flag(hdev, HCI_USER_CHANNEL) && 2295 hci_conn_num(hdev, SCO_LINK) < 1) 2296 return -ENODEV; 2297 2298 urb = alloc_isoc_urb(hdev, skb); 2299 if (IS_ERR(urb)) 2300 return PTR_ERR(urb); 2301 2302 hdev->stat.sco_tx++; 2303 return submit_tx_urb(hdev, urb); 2304 2305 case HCI_ISODATA_PKT: 2306 urb = alloc_bulk_urb(hdev, skb); 2307 if (IS_ERR(urb)) 2308 return PTR_ERR(urb); 2309 2310 return submit_or_queue_tx_urb(hdev, urb); 2311 } 2312 2313 return -EILSEQ; 2314 } 2315 2316 static void btusb_notify(struct hci_dev *hdev, unsigned int evt) 2317 { 2318 struct btusb_data *data = hci_get_drvdata(hdev); 2319 2320 BT_DBG("%s evt %d", hdev->name, evt); 2321 2322 if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { 2323 data->sco_num = hci_conn_num(hdev, SCO_LINK); 2324 data->air_mode = evt; 2325 schedule_work(&data->work); 2326 } 2327 } 2328 2329 static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) 2330 { 2331 struct btusb_data *data = hci_get_drvdata(hdev); 2332 struct usb_interface *intf = data->isoc; 2333 struct usb_endpoint_descriptor *ep_desc; 2334 int i, err; 2335 2336 if (!data->isoc) 2337 return -ENODEV; 2338 2339 err = usb_set_interface(data->udev, data->isoc_ifnum, altsetting); 2340 if (err < 0) { 2341 bt_dev_err(hdev, "setting interface failed (%d)", -err); 2342 return err; 2343 } 2344 2345 data->isoc_altsetting = altsetting; 2346 2347 data->isoc_tx_ep = NULL; 2348 data->isoc_rx_ep = NULL; 2349 2350 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { 2351 ep_desc = &intf->cur_altsetting->endpoint[i].desc; 2352 2353 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { 2354 data->isoc_tx_ep = ep_desc; 2355 continue; 2356 } 2357 2358 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { 2359 data->isoc_rx_ep = ep_desc; 2360 continue; 2361 } 2362 } 2363 2364 if (!data->isoc_tx_ep || !data->isoc_rx_ep) { 2365 bt_dev_err(hdev, "invalid SCO descriptors"); 2366 return -ENODEV; 2367 } 2368 2369 return 0; 2370 } 2371 2372 static int btusb_switch_alt_setting(struct hci_dev *hdev, int new_alts) 2373 { 2374 struct btusb_data *data = hci_get_drvdata(hdev); 2375 int err; 2376 2377 if (data->isoc_altsetting != new_alts) { 2378 unsigned long flags; 2379 2380 clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 2381 usb_kill_anchored_urbs(&data->isoc_anchor); 2382 2383 /* When isochronous alternate setting needs to be 2384 * changed, because SCO connection has been added 2385 * or removed, a packet fragment may be left in the 2386 * reassembling state. This could lead to wrongly 2387 * assembled fragments. 2388 * 2389 * Clear outstanding fragment when selecting a new 2390 * alternate setting. 2391 */ 2392 spin_lock_irqsave(&data->rxlock, flags); 2393 dev_kfree_skb_irq(data->sco_skb); 2394 data->sco_skb = NULL; 2395 spin_unlock_irqrestore(&data->rxlock, flags); 2396 2397 err = __set_isoc_interface(hdev, new_alts); 2398 if (err < 0) 2399 return err; 2400 } 2401 2402 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { 2403 if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) 2404 clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 2405 else 2406 btusb_submit_isoc_urb(hdev, GFP_KERNEL); 2407 } 2408 2409 return 0; 2410 } 2411 2412 static struct usb_host_interface *btusb_find_altsetting(struct btusb_data *data, 2413 int alt) 2414 { 2415 struct usb_interface *intf = data->isoc; 2416 int i; 2417 2418 BT_DBG("Looking for Alt no :%d", alt); 2419 2420 if (!intf) 2421 return NULL; 2422 2423 for (i = 0; i < intf->num_altsetting; i++) { 2424 if (intf->altsetting[i].desc.bAlternateSetting == alt) 2425 return &intf->altsetting[i]; 2426 } 2427 2428 return NULL; 2429 } 2430 2431 static void btusb_work(struct work_struct *work) 2432 { 2433 struct btusb_data *data = container_of(work, struct btusb_data, work); 2434 struct hci_dev *hdev = data->hdev; 2435 int new_alts = 0; 2436 int err; 2437 2438 if (data->sco_num > 0) { 2439 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { 2440 err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); 2441 if (err < 0) { 2442 clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 2443 usb_kill_anchored_urbs(&data->isoc_anchor); 2444 return; 2445 } 2446 2447 set_bit(BTUSB_DID_ISO_RESUME, &data->flags); 2448 } 2449 2450 if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_CVSD) { 2451 if (hdev->voice_setting & 0x0020) { 2452 static const int alts[3] = { 2, 4, 5 }; 2453 unsigned int sco_idx; 2454 2455 sco_idx = min_t(unsigned int, data->sco_num - 1, 2456 ARRAY_SIZE(alts) - 1); 2457 new_alts = alts[sco_idx]; 2458 } else { 2459 new_alts = data->sco_num; 2460 } 2461 } else if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_TRANSP) { 2462 /* Bluetooth USB spec recommends alt 6 (63 bytes), but 2463 * many adapters do not support it. Alt 1 appears to 2464 * work for all adapters that do not have alt 6, and 2465 * which work with WBS at all. Some devices prefer 2466 * alt 3 (HCI payload >= 60 Bytes let air packet 2467 * data satisfy 60 bytes), requiring 2468 * MTU >= 3 (packets) * 25 (size) - 3 (headers) = 72 2469 * see also Core spec 5, vol 4, B 2.1.1 & Table 2.1. 2470 */ 2471 if (btusb_find_altsetting(data, 6)) 2472 new_alts = 6; 2473 else if (btusb_find_altsetting(data, 3) && 2474 hdev->sco_mtu >= 72 && 2475 test_bit(BTUSB_USE_ALT3_FOR_WBS, &data->flags)) 2476 new_alts = 3; 2477 else 2478 new_alts = 1; 2479 } 2480 2481 if (btusb_switch_alt_setting(hdev, new_alts) < 0) 2482 bt_dev_err(hdev, "set USB alt:(%d) failed!", new_alts); 2483 } else { 2484 usb_kill_anchored_urbs(&data->isoc_anchor); 2485 2486 if (test_and_clear_bit(BTUSB_ISOC_RUNNING, &data->flags)) 2487 __set_isoc_interface(hdev, 0); 2488 2489 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) 2490 usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); 2491 } 2492 } 2493 2494 static void btusb_waker(struct work_struct *work) 2495 { 2496 struct btusb_data *data = container_of(work, struct btusb_data, waker); 2497 int err; 2498 2499 err = usb_autopm_get_interface(data->intf); 2500 if (err < 0) 2501 return; 2502 2503 usb_autopm_put_interface(data->intf); 2504 } 2505 2506 static void btusb_rx_work(struct work_struct *work) 2507 { 2508 struct btusb_data *data = container_of(work, struct btusb_data, 2509 rx_work.work); 2510 struct sk_buff *skb; 2511 2512 /* Dequeue ACL data received during the interval */ 2513 while ((skb = skb_dequeue(&data->acl_q))) 2514 data->recv_acl(data->hdev, skb); 2515 } 2516 2517 static int btusb_setup_bcm92035(struct hci_dev *hdev) 2518 { 2519 struct sk_buff *skb; 2520 u8 val = 0x00; 2521 2522 BT_DBG("%s", hdev->name); 2523 2524 skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); 2525 if (IS_ERR(skb)) 2526 bt_dev_err(hdev, "BCM92035 command failed (%ld)", PTR_ERR(skb)); 2527 else 2528 kfree_skb(skb); 2529 2530 return 0; 2531 } 2532 2533 static int btusb_setup_csr(struct hci_dev *hdev) 2534 { 2535 struct btusb_data *data = hci_get_drvdata(hdev); 2536 u16 bcdDevice = le16_to_cpu(data->udev->descriptor.bcdDevice); 2537 struct hci_rp_read_local_version *rp; 2538 struct sk_buff *skb; 2539 bool is_fake = false; 2540 int ret; 2541 2542 BT_DBG("%s", hdev->name); 2543 2544 skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, 2545 HCI_INIT_TIMEOUT); 2546 if (IS_ERR(skb)) { 2547 int err = PTR_ERR(skb); 2548 2549 bt_dev_err(hdev, "CSR: Local version failed (%d)", err); 2550 return err; 2551 } 2552 2553 rp = skb_pull_data(skb, sizeof(*rp)); 2554 if (!rp) { 2555 bt_dev_err(hdev, "CSR: Local version length mismatch"); 2556 kfree_skb(skb); 2557 return -EIO; 2558 } 2559 2560 bt_dev_info(hdev, "CSR: Setting up dongle with HCI ver=%u rev=%04x", 2561 rp->hci_ver, le16_to_cpu(rp->hci_rev)); 2562 2563 bt_dev_info(hdev, "LMP ver=%u subver=%04x; manufacturer=%u", 2564 rp->lmp_ver, le16_to_cpu(rp->lmp_subver), 2565 le16_to_cpu(rp->manufacturer)); 2566 2567 /* Detect a wide host of Chinese controllers that aren't CSR. 2568 * 2569 * Known fake bcdDevices: 0x0100, 0x0134, 0x1915, 0x2520, 0x7558, 0x8891 2570 * 2571 * The main thing they have in common is that these are really popular low-cost 2572 * options that support newer Bluetooth versions but rely on heavy VID/PID 2573 * squatting of this poor old Bluetooth 1.1 device. Even sold as such. 2574 * 2575 * We detect actual CSR devices by checking that the HCI manufacturer code 2576 * is Cambridge Silicon Radio (10) and ensuring that LMP sub-version and 2577 * HCI rev values always match. As they both store the firmware number. 2578 */ 2579 if (le16_to_cpu(rp->manufacturer) != 10 || 2580 le16_to_cpu(rp->hci_rev) != le16_to_cpu(rp->lmp_subver)) 2581 is_fake = true; 2582 2583 /* Known legit CSR firmware build numbers and their supported BT versions: 2584 * - 1.1 (0x1) -> 0x0073, 0x020d, 0x033c, 0x034e 2585 * - 1.2 (0x2) -> 0x04d9, 0x0529 2586 * - 2.0 (0x3) -> 0x07a6, 0x07ad, 0x0c5c 2587 * - 2.1 (0x4) -> 0x149c, 0x1735, 0x1899 (0x1899 is a BlueCore4-External) 2588 * - 4.0 (0x6) -> 0x1d86, 0x2031, 0x22bb 2589 * 2590 * e.g. Real CSR dongles with LMP subversion 0x73 are old enough that 2591 * support BT 1.1 only; so it's a dead giveaway when some 2592 * third-party BT 4.0 dongle reuses it. 2593 */ 2594 else if (le16_to_cpu(rp->lmp_subver) <= 0x034e && 2595 rp->hci_ver > BLUETOOTH_VER_1_1) 2596 is_fake = true; 2597 2598 else if (le16_to_cpu(rp->lmp_subver) <= 0x0529 && 2599 rp->hci_ver > BLUETOOTH_VER_1_2) 2600 is_fake = true; 2601 2602 else if (le16_to_cpu(rp->lmp_subver) <= 0x0c5c && 2603 rp->hci_ver > BLUETOOTH_VER_2_0) 2604 is_fake = true; 2605 2606 else if (le16_to_cpu(rp->lmp_subver) <= 0x1899 && 2607 rp->hci_ver > BLUETOOTH_VER_2_1) 2608 is_fake = true; 2609 2610 else if (le16_to_cpu(rp->lmp_subver) <= 0x22bb && 2611 rp->hci_ver > BLUETOOTH_VER_4_0) 2612 is_fake = true; 2613 2614 /* Other clones which beat all the above checks */ 2615 else if (bcdDevice == 0x0134 && 2616 le16_to_cpu(rp->lmp_subver) == 0x0c5c && 2617 rp->hci_ver == BLUETOOTH_VER_2_0) 2618 is_fake = true; 2619 2620 if (is_fake) { 2621 bt_dev_warn(hdev, "CSR: Unbranded CSR clone detected; adding workarounds and force-suspending once..."); 2622 2623 /* Generally these clones have big discrepancies between 2624 * advertised features and what's actually supported. 2625 * Probably will need to be expanded in the future; 2626 * without these the controller will lock up. 2627 */ 2628 hci_set_quirk(hdev, HCI_QUIRK_BROKEN_STORED_LINK_KEY); 2629 hci_set_quirk(hdev, HCI_QUIRK_BROKEN_ERR_DATA_REPORTING); 2630 hci_set_quirk(hdev, HCI_QUIRK_BROKEN_FILTER_CLEAR_ALL); 2631 hci_set_quirk(hdev, HCI_QUIRK_NO_SUSPEND_NOTIFIER); 2632 hci_set_quirk(hdev, HCI_QUIRK_BROKEN_READ_VOICE_SETTING); 2633 hci_set_quirk(hdev, HCI_QUIRK_BROKEN_READ_PAGE_SCAN_TYPE); 2634 2635 /* Clear the reset quirk since this is not an actual 2636 * early Bluetooth 1.1 device from CSR. 2637 */ 2638 hci_clear_quirk(hdev, HCI_QUIRK_RESET_ON_CLOSE); 2639 hci_clear_quirk(hdev, HCI_QUIRK_SIMULTANEOUS_DISCOVERY); 2640 2641 /* 2642 * Special workaround for these BT 4.0 chip clones, and potentially more: 2643 * 2644 * - 0x0134: a Barrot 8041a02 (HCI rev: 0x0810 sub: 0x1012) 2645 * - 0x7558: IC markings FR3191AHAL 749H15143 (HCI rev/sub-version: 0x0709) 2646 * 2647 * These controllers are really messed-up. 2648 * 2649 * 1. Their bulk RX endpoint will never report any data unless 2650 * the device was suspended at least once (yes, really). 2651 * 2. They will not wakeup when autosuspended and receiving data 2652 * on their bulk RX endpoint from e.g. a keyboard or mouse 2653 * (IOW remote-wakeup support is broken for the bulk endpoint). 2654 * 2655 * To fix 1. enable runtime-suspend, force-suspend the 2656 * HCI and then wake-it up by disabling runtime-suspend. 2657 * 2658 * To fix 2. clear the HCI's can_wake flag, this way the HCI 2659 * will still be autosuspended when it is not open. 2660 * 2661 * -- 2662 * 2663 * Because these are widespread problems we prefer generic solutions; so 2664 * apply this initialization quirk to every controller that gets here, 2665 * it should be harmless. The alternative is to not work at all. 2666 */ 2667 pm_runtime_allow(&data->udev->dev); 2668 2669 ret = pm_runtime_suspend(&data->udev->dev); 2670 if (ret >= 0) 2671 msleep(200); 2672 else 2673 bt_dev_warn(hdev, "CSR: Couldn't suspend the device for our Barrot 8041a02 receive-issue workaround"); 2674 2675 pm_runtime_forbid(&data->udev->dev); 2676 2677 device_set_wakeup_capable(&data->udev->dev, false); 2678 2679 /* Re-enable autosuspend if this was requested */ 2680 if (enable_autosuspend) 2681 usb_enable_autosuspend(data->udev); 2682 } 2683 2684 kfree_skb(skb); 2685 2686 return 0; 2687 } 2688 2689 static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode) 2690 { 2691 struct sk_buff *skb; 2692 struct hci_event_hdr *hdr; 2693 struct hci_ev_cmd_complete *evt; 2694 2695 skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL); 2696 if (!skb) 2697 return -ENOMEM; 2698 2699 hdr = skb_put(skb, sizeof(*hdr)); 2700 hdr->evt = HCI_EV_CMD_COMPLETE; 2701 hdr->plen = sizeof(*evt) + 1; 2702 2703 evt = skb_put(skb, sizeof(*evt)); 2704 evt->ncmd = 0x01; 2705 evt->opcode = cpu_to_le16(opcode); 2706 2707 skb_put_u8(skb, 0x00); 2708 2709 hci_skb_pkt_type(skb) = HCI_EVENT_PKT; 2710 2711 return hci_recv_frame(hdev, skb); 2712 } 2713 2714 static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer, 2715 int count) 2716 { 2717 struct hci_dev *hdev = data->hdev; 2718 2719 /* When the device is in bootloader mode, then it can send 2720 * events via the bulk endpoint. These events are treated the 2721 * same way as the ones received from the interrupt endpoint. 2722 */ 2723 if (btintel_test_flag(hdev, INTEL_BOOTLOADER)) 2724 return btusb_recv_intr(data, buffer, count); 2725 2726 return btusb_recv_bulk(data, buffer, count); 2727 } 2728 2729 static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb) 2730 { 2731 struct urb *urb; 2732 2733 BT_DBG("%s", hdev->name); 2734 2735 switch (hci_skb_pkt_type(skb)) { 2736 case HCI_COMMAND_PKT: 2737 if (btintel_test_flag(hdev, INTEL_BOOTLOADER)) { 2738 struct hci_command_hdr *cmd = (void *)skb->data; 2739 __u16 opcode = le16_to_cpu(cmd->opcode); 2740 2741 /* When in bootloader mode and the command 0xfc09 2742 * is received, it needs to be send down the 2743 * bulk endpoint. So allocate a bulk URB instead. 2744 */ 2745 if (opcode == 0xfc09) 2746 urb = alloc_bulk_urb(hdev, skb); 2747 else 2748 urb = alloc_ctrl_urb(hdev, skb); 2749 2750 /* When the BTINTEL_HCI_OP_RESET command is issued to 2751 * boot into the operational firmware, it will actually 2752 * not send a command complete event. To keep the flow 2753 * control working inject that event here. 2754 */ 2755 if (opcode == BTINTEL_HCI_OP_RESET) 2756 inject_cmd_complete(hdev, opcode); 2757 } else { 2758 urb = alloc_ctrl_urb(hdev, skb); 2759 } 2760 if (IS_ERR(urb)) 2761 return PTR_ERR(urb); 2762 2763 hdev->stat.cmd_tx++; 2764 return submit_or_queue_tx_urb(hdev, urb); 2765 2766 case HCI_ACLDATA_PKT: 2767 urb = alloc_bulk_urb(hdev, skb); 2768 if (IS_ERR(urb)) 2769 return PTR_ERR(urb); 2770 2771 hdev->stat.acl_tx++; 2772 return submit_or_queue_tx_urb(hdev, urb); 2773 2774 case HCI_SCODATA_PKT: 2775 if (!hci_dev_test_flag(hdev, HCI_USER_CHANNEL) && 2776 hci_conn_num(hdev, SCO_LINK) < 1) 2777 return -ENODEV; 2778 2779 urb = alloc_isoc_urb(hdev, skb); 2780 if (IS_ERR(urb)) 2781 return PTR_ERR(urb); 2782 2783 hdev->stat.sco_tx++; 2784 return submit_tx_urb(hdev, urb); 2785 2786 case HCI_ISODATA_PKT: 2787 urb = alloc_bulk_urb(hdev, skb); 2788 if (IS_ERR(urb)) 2789 return PTR_ERR(urb); 2790 2791 return submit_or_queue_tx_urb(hdev, urb); 2792 } 2793 2794 return -EILSEQ; 2795 } 2796 2797 static int btusb_setup_realtek(struct hci_dev *hdev) 2798 { 2799 struct btusb_data *data = hci_get_drvdata(hdev); 2800 int ret; 2801 2802 ret = btrtl_setup_realtek(hdev); 2803 2804 if (btrealtek_test_flag(data->hdev, REALTEK_ALT6_CONTINUOUS_TX_CHIP)) 2805 set_bit(BTUSB_ALT6_CONTINUOUS_TX, &data->flags); 2806 2807 return ret; 2808 } 2809 2810 static int btusb_recv_event_realtek(struct hci_dev *hdev, struct sk_buff *skb) 2811 { 2812 if (skb->len >= HCI_EVENT_HDR_SIZE + 1 && 2813 skb->data[0] == HCI_EV_VENDOR && 2814 skb->data[2] == RTK_SUB_EVENT_CODE_COREDUMP) { 2815 struct rtk_dev_coredump_hdr hdr = { 2816 .code = RTK_DEVCOREDUMP_CODE_MEMDUMP, 2817 }; 2818 2819 bt_dev_dbg(hdev, "RTL: received coredump vendor evt, len %u", 2820 skb->len); 2821 2822 btusb_rtl_alloc_devcoredump(hdev, &hdr, skb->data, skb->len); 2823 kfree_skb(skb); 2824 2825 return 0; 2826 } 2827 2828 return hci_recv_frame(hdev, skb); 2829 } 2830 2831 static void btusb_mtk_claim_iso_intf(struct btusb_data *data) 2832 { 2833 struct btmtk_data *btmtk_data; 2834 int err; 2835 2836 if (!data->hdev) 2837 return; 2838 2839 btmtk_data = hci_get_priv(data->hdev); 2840 if (!btmtk_data) 2841 return; 2842 2843 if (!btmtk_data->isopkt_intf) { 2844 bt_dev_err(data->hdev, "Can't claim NULL iso interface"); 2845 return; 2846 } 2847 2848 /* 2849 * The function usb_driver_claim_interface() is documented to need 2850 * locks held if it's not called from a probe routine. The code here 2851 * is called from the hci_power_on workqueue, so grab the lock. 2852 */ 2853 device_lock(&btmtk_data->isopkt_intf->dev); 2854 err = usb_driver_claim_interface(&btusb_driver, 2855 btmtk_data->isopkt_intf, data); 2856 device_unlock(&btmtk_data->isopkt_intf->dev); 2857 if (err < 0) { 2858 btmtk_data->isopkt_intf = NULL; 2859 bt_dev_err(data->hdev, "Failed to claim iso interface: %d", err); 2860 return; 2861 } 2862 2863 set_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags); 2864 init_usb_anchor(&btmtk_data->isopkt_anchor); 2865 } 2866 2867 static void btusb_mtk_release_iso_intf(struct hci_dev *hdev) 2868 { 2869 struct btmtk_data *btmtk_data; 2870 2871 if (!hdev) 2872 return; 2873 2874 btmtk_data = hci_get_priv(hdev); 2875 if (!btmtk_data) 2876 return; 2877 2878 if (test_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags)) { 2879 usb_kill_anchored_urbs(&btmtk_data->isopkt_anchor); 2880 clear_bit(BTMTK_ISOPKT_RUNNING, &btmtk_data->flags); 2881 2882 if (btmtk_data->isopkt_skb) { 2883 dev_kfree_skb_irq(btmtk_data->isopkt_skb); 2884 btmtk_data->isopkt_skb = NULL; 2885 } 2886 2887 if (btmtk_data->isopkt_intf) { 2888 usb_set_intfdata(btmtk_data->isopkt_intf, NULL); 2889 usb_driver_release_interface(&btusb_driver, 2890 btmtk_data->isopkt_intf); 2891 btmtk_data->isopkt_intf = NULL; 2892 } 2893 } 2894 2895 clear_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags); 2896 } 2897 2898 static int btusb_mtk_disconnect(struct hci_dev *hdev) 2899 { 2900 /* This function describes the specific additional steps taken by MediaTek 2901 * when Bluetooth usb driver's resume function is called. 2902 */ 2903 btusb_mtk_release_iso_intf(hdev); 2904 2905 return 0; 2906 } 2907 2908 static int btusb_mtk_reset(struct hci_dev *hdev, void *rst_data) 2909 { 2910 struct btusb_data *data = hci_get_drvdata(hdev); 2911 struct btmtk_data *btmtk_data = hci_get_priv(hdev); 2912 int err; 2913 2914 /* It's MediaTek specific bluetooth reset mechanism via USB */ 2915 if (test_and_set_bit(BTMTK_HW_RESET_ACTIVE, &btmtk_data->flags)) { 2916 bt_dev_err(hdev, "last reset failed? Not resetting again"); 2917 return -EBUSY; 2918 } 2919 2920 err = usb_autopm_get_interface(data->intf); 2921 if (err < 0) 2922 return err; 2923 2924 /* Release MediaTek ISO data interface */ 2925 btusb_mtk_release_iso_intf(hdev); 2926 2927 btusb_prepare_reset(hdev); 2928 2929 /* Toggle the hard reset line. The MediaTek device is going to 2930 * yank itself off the USB and then replug. The cleanup is handled 2931 * correctly on the way out (standard USB disconnect), and the new 2932 * device is detected cleanly and bound to the driver again like 2933 * it should be. 2934 */ 2935 if (data->reset_gpio) { 2936 gpiod_set_value_cansleep(data->reset_gpio, 1); 2937 msleep(200); 2938 gpiod_set_value_cansleep(data->reset_gpio, 0); 2939 return 0; 2940 } 2941 2942 err = btmtk_usb_subsys_reset(hdev, btmtk_data->dev_id); 2943 2944 usb_queue_reset_device(data->intf); 2945 clear_bit(BTMTK_HW_RESET_ACTIVE, &btmtk_data->flags); 2946 2947 return err; 2948 } 2949 2950 static int btusb_send_frame_mtk(struct hci_dev *hdev, struct sk_buff *skb) 2951 { 2952 struct urb *urb; 2953 2954 BT_DBG("%s", hdev->name); 2955 2956 if (hci_skb_pkt_type(skb) == HCI_ISODATA_PKT) { 2957 urb = alloc_mtk_intr_urb(hdev, skb, btusb_tx_complete); 2958 if (IS_ERR(urb)) 2959 return PTR_ERR(urb); 2960 2961 return submit_or_queue_tx_urb(hdev, urb); 2962 } else { 2963 return btusb_send_frame(hdev, skb); 2964 } 2965 } 2966 2967 static int btusb_mtk_setup(struct hci_dev *hdev) 2968 { 2969 struct btusb_data *data = hci_get_drvdata(hdev); 2970 struct btmtk_data *btmtk_data = hci_get_priv(hdev); 2971 2972 /* MediaTek WMT vendor cmd requiring below USB resources to 2973 * complete the handshake. 2974 */ 2975 btmtk_data->drv_name = btusb_driver.name; 2976 btmtk_data->intf = data->intf; 2977 btmtk_data->udev = data->udev; 2978 btmtk_data->ctrl_anchor = &data->ctrl_anchor; 2979 btmtk_data->reset_sync = btusb_mtk_reset; 2980 2981 /* Claim ISO data interface and endpoint */ 2982 if (!test_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags)) { 2983 btmtk_data->isopkt_intf = usb_ifnum_to_if(data->udev, MTK_ISO_IFNUM); 2984 btusb_mtk_claim_iso_intf(data); 2985 } 2986 2987 return btmtk_usb_setup(hdev); 2988 } 2989 2990 static int btusb_mtk_shutdown(struct hci_dev *hdev) 2991 { 2992 int ret; 2993 2994 ret = btmtk_usb_shutdown(hdev); 2995 2996 /* Release MediaTek iso interface after shutdown */ 2997 btusb_mtk_release_iso_intf(hdev); 2998 2999 return ret; 3000 } 3001 3002 #ifdef CONFIG_PM 3003 /* Configure an out-of-band gpio as wake-up pin, if specified in device tree */ 3004 static int marvell_config_oob_wake(struct hci_dev *hdev) 3005 { 3006 struct sk_buff *skb; 3007 struct btusb_data *data = hci_get_drvdata(hdev); 3008 struct device *dev = &data->udev->dev; 3009 u16 pin, gap, opcode; 3010 int ret; 3011 u8 cmd[5]; 3012 3013 /* Move on if no wakeup pin specified */ 3014 if (of_property_read_u16(dev->of_node, "marvell,wakeup-pin", &pin) || 3015 of_property_read_u16(dev->of_node, "marvell,wakeup-gap-ms", &gap)) 3016 return 0; 3017 3018 /* Vendor specific command to configure a GPIO as wake-up pin */ 3019 opcode = hci_opcode_pack(0x3F, 0x59); 3020 cmd[0] = opcode & 0xFF; 3021 cmd[1] = opcode >> 8; 3022 cmd[2] = 2; /* length of parameters that follow */ 3023 cmd[3] = pin; 3024 cmd[4] = gap; /* time in ms, for which wakeup pin should be asserted */ 3025 3026 skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); 3027 if (!skb) { 3028 bt_dev_err(hdev, "%s: No memory", __func__); 3029 return -ENOMEM; 3030 } 3031 3032 skb_put_data(skb, cmd, sizeof(cmd)); 3033 hci_skb_pkt_type(skb) = HCI_COMMAND_PKT; 3034 3035 ret = btusb_send_frame(hdev, skb); 3036 if (ret) { 3037 bt_dev_err(hdev, "%s: configuration failed", __func__); 3038 kfree_skb(skb); 3039 return ret; 3040 } 3041 3042 return 0; 3043 } 3044 #else 3045 static inline int marvell_config_oob_wake(struct hci_dev *hdev) 3046 { 3047 return 0; 3048 } 3049 #endif 3050 3051 static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, 3052 const bdaddr_t *bdaddr) 3053 { 3054 struct sk_buff *skb; 3055 u8 buf[8]; 3056 long ret; 3057 3058 buf[0] = 0xfe; 3059 buf[1] = sizeof(bdaddr_t); 3060 memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); 3061 3062 skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT); 3063 if (IS_ERR(skb)) { 3064 ret = PTR_ERR(skb); 3065 bt_dev_err(hdev, "changing Marvell device address failed (%ld)", 3066 ret); 3067 return ret; 3068 } 3069 kfree_skb(skb); 3070 3071 return 0; 3072 } 3073 3074 static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, 3075 const bdaddr_t *bdaddr) 3076 { 3077 struct sk_buff *skb; 3078 u8 buf[10]; 3079 long ret; 3080 3081 buf[0] = 0x01; 3082 buf[1] = 0x01; 3083 buf[2] = 0x00; 3084 buf[3] = sizeof(bdaddr_t); 3085 memcpy(buf + 4, bdaddr, sizeof(bdaddr_t)); 3086 3087 skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT); 3088 if (IS_ERR(skb)) { 3089 ret = PTR_ERR(skb); 3090 bt_dev_err(hdev, "Change address command failed (%ld)", ret); 3091 return ret; 3092 } 3093 kfree_skb(skb); 3094 3095 return 0; 3096 } 3097 3098 static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev, 3099 const bdaddr_t *bdaddr) 3100 { 3101 bdaddr_t bdaddr_swapped; 3102 struct sk_buff *skb; 3103 long ret; 3104 3105 baswap(&bdaddr_swapped, bdaddr); 3106 3107 skb = __hci_cmd_sync_ev(hdev, 0xfc14, sizeof(bdaddr_swapped), 3108 &bdaddr_swapped, HCI_EV_CMD_COMPLETE, 3109 HCI_INIT_TIMEOUT); 3110 if (IS_ERR(skb)) { 3111 ret = PTR_ERR(skb); 3112 bt_dev_err(hdev, "Change address command failed (%ld)", ret); 3113 return ret; 3114 } 3115 kfree_skb(skb); 3116 3117 return 0; 3118 } 3119 3120 #define QCA_MEMDUMP_ACL_HANDLE 0x2EDD 3121 #define QCA_MEMDUMP_SIZE_MAX 0x100000 3122 #define QCA_MEMDUMP_VSE_CLASS 0x01 3123 #define QCA_MEMDUMP_MSG_TYPE 0x08 3124 #define QCA_MEMDUMP_PKT_SIZE 248 3125 #define QCA_LAST_SEQUENCE_NUM 0xffff 3126 3127 struct qca_dump_hdr { 3128 u8 vse_class; 3129 u8 msg_type; 3130 __le16 seqno; 3131 u8 reserved; 3132 union { 3133 u8 data[0]; 3134 struct { 3135 __le32 ram_dump_size; 3136 u8 data0[0]; 3137 } __packed; 3138 }; 3139 } __packed; 3140 3141 3142 static void btusb_dump_hdr_qca(struct hci_dev *hdev, struct sk_buff *skb) 3143 { 3144 char buf[128]; 3145 struct btqca_data *btqca_data = hci_get_priv(hdev); 3146 struct qca_dump_info *qca_dump_ptr = &btqca_data->qca_dump; 3147 3148 snprintf(buf, sizeof(buf), "Controller Name: 0x%x\n", 3149 qca_dump_ptr->controller_id); 3150 skb_put_data(skb, buf, strlen(buf)); 3151 3152 snprintf(buf, sizeof(buf), "Firmware Version: 0x%x\n", 3153 qca_dump_ptr->fw_version); 3154 skb_put_data(skb, buf, strlen(buf)); 3155 3156 snprintf(buf, sizeof(buf), "Driver: %s\nVendor: qca\n", 3157 btusb_driver.name); 3158 skb_put_data(skb, buf, strlen(buf)); 3159 3160 snprintf(buf, sizeof(buf), "VID: 0x%x\nPID:0x%x\n", 3161 qca_dump_ptr->id_vendor, qca_dump_ptr->id_product); 3162 skb_put_data(skb, buf, strlen(buf)); 3163 3164 snprintf(buf, sizeof(buf), "Lmp Subversion: 0x%x\n", 3165 hdev->lmp_subver); 3166 skb_put_data(skb, buf, strlen(buf)); 3167 } 3168 3169 static void btusb_coredump_qca(struct hci_dev *hdev) 3170 { 3171 int err; 3172 static const u8 param[] = { 0x26 }; 3173 3174 err = __hci_cmd_send(hdev, 0xfc0c, 1, param); 3175 if (err < 0) 3176 bt_dev_err(hdev, "%s: triggle crash failed (%d)", __func__, err); 3177 } 3178 3179 /* Return: 0 on success, negative errno on failure. */ 3180 static int handle_dump_pkt_qca(struct hci_dev *hdev, struct sk_buff *skb) 3181 { 3182 int ret = 0; 3183 unsigned int skip = 0; 3184 u8 pkt_type; 3185 u16 seqno; 3186 u32 dump_size; 3187 3188 struct qca_dump_hdr *dump_hdr; 3189 struct btusb_data *btdata = hci_get_drvdata(hdev); 3190 struct btqca_data *btqca_data = hci_get_priv(hdev); 3191 struct qca_dump_info *qca_dump_ptr = &btqca_data->qca_dump; 3192 struct usb_device *udev = btdata->udev; 3193 3194 pkt_type = hci_skb_pkt_type(skb); 3195 skip = sizeof(struct hci_event_hdr); 3196 if (pkt_type == HCI_ACLDATA_PKT) 3197 skip += sizeof(struct hci_acl_hdr); 3198 3199 skb_pull(skb, skip); 3200 dump_hdr = (struct qca_dump_hdr *)skb->data; 3201 3202 seqno = le16_to_cpu(dump_hdr->seqno); 3203 if (seqno == 0) { 3204 set_bit(BTUSB_HW_SSR_ACTIVE, &btdata->flags); 3205 dump_size = le32_to_cpu(dump_hdr->ram_dump_size); 3206 if (!dump_size || (dump_size > QCA_MEMDUMP_SIZE_MAX)) { 3207 ret = -EILSEQ; 3208 bt_dev_err(hdev, "Invalid memdump size(%u)", 3209 dump_size); 3210 goto out; 3211 } 3212 3213 ret = hci_devcd_init(hdev, dump_size); 3214 if (ret < 0) { 3215 bt_dev_err(hdev, "memdump init error(%d)", ret); 3216 goto out; 3217 } 3218 3219 qca_dump_ptr->ram_dump_size = dump_size; 3220 qca_dump_ptr->ram_dump_seqno = 0; 3221 3222 skb_pull(skb, offsetof(struct qca_dump_hdr, data0)); 3223 3224 usb_disable_autosuspend(udev); 3225 bt_dev_info(hdev, "%s memdump size(%u)\n", 3226 (pkt_type == HCI_ACLDATA_PKT) ? "ACL" : "event", 3227 dump_size); 3228 } else { 3229 skb_pull(skb, offsetof(struct qca_dump_hdr, data)); 3230 } 3231 3232 if (!qca_dump_ptr->ram_dump_size) { 3233 ret = -EINVAL; 3234 bt_dev_err(hdev, "memdump is not active"); 3235 goto out; 3236 } 3237 3238 if ((seqno > qca_dump_ptr->ram_dump_seqno + 1) && seqno != QCA_LAST_SEQUENCE_NUM) { 3239 dump_size = QCA_MEMDUMP_PKT_SIZE * (seqno - qca_dump_ptr->ram_dump_seqno - 1); 3240 hci_devcd_append_pattern(hdev, 0x0, dump_size); 3241 bt_dev_err(hdev, 3242 "expected memdump seqno(%u) is not received(%u)\n", 3243 qca_dump_ptr->ram_dump_seqno, seqno); 3244 qca_dump_ptr->ram_dump_seqno = seqno; 3245 kfree_skb(skb); 3246 return ret; 3247 } 3248 3249 hci_devcd_append(hdev, skb); 3250 qca_dump_ptr->ram_dump_seqno++; 3251 if (seqno == QCA_LAST_SEQUENCE_NUM) { 3252 bt_dev_info(hdev, 3253 "memdump done: pkts(%u), total(%u)\n", 3254 qca_dump_ptr->ram_dump_seqno, qca_dump_ptr->ram_dump_size); 3255 3256 hci_devcd_complete(hdev); 3257 goto out; 3258 } 3259 return ret; 3260 3261 out: 3262 if (qca_dump_ptr->ram_dump_size) 3263 usb_enable_autosuspend(udev); 3264 qca_dump_ptr->ram_dump_size = 0; 3265 qca_dump_ptr->ram_dump_seqno = 0; 3266 clear_bit(BTUSB_HW_SSR_ACTIVE, &btdata->flags); 3267 3268 if (ret < 0) 3269 kfree_skb(skb); 3270 return ret; 3271 } 3272 3273 /* Return: true if the ACL packet is a dump packet, false otherwise. */ 3274 static bool acl_pkt_is_dump_qca(struct hci_dev *hdev, struct sk_buff *skb) 3275 { 3276 struct hci_event_hdr *event_hdr; 3277 struct hci_acl_hdr *acl_hdr; 3278 struct qca_dump_hdr *dump_hdr; 3279 struct sk_buff *clone = skb_clone(skb, GFP_ATOMIC); 3280 bool is_dump = false; 3281 3282 if (!clone) 3283 return false; 3284 3285 acl_hdr = skb_pull_data(clone, sizeof(*acl_hdr)); 3286 if (!acl_hdr || (le16_to_cpu(acl_hdr->handle) != QCA_MEMDUMP_ACL_HANDLE)) 3287 goto out; 3288 3289 event_hdr = skb_pull_data(clone, sizeof(*event_hdr)); 3290 if (!event_hdr || event_hdr->evt != HCI_EV_VENDOR) 3291 goto out; 3292 3293 dump_hdr = skb_pull_data(clone, sizeof(*dump_hdr)); 3294 if (!dump_hdr || (dump_hdr->vse_class != QCA_MEMDUMP_VSE_CLASS) || 3295 (dump_hdr->msg_type != QCA_MEMDUMP_MSG_TYPE)) 3296 goto out; 3297 3298 is_dump = true; 3299 out: 3300 consume_skb(clone); 3301 return is_dump; 3302 } 3303 3304 /* Return: true if the event packet is a dump packet, false otherwise. */ 3305 static bool evt_pkt_is_dump_qca(struct hci_dev *hdev, struct sk_buff *skb) 3306 { 3307 struct hci_event_hdr *event_hdr; 3308 struct qca_dump_hdr *dump_hdr; 3309 struct sk_buff *clone = skb_clone(skb, GFP_ATOMIC); 3310 bool is_dump = false; 3311 3312 if (!clone) 3313 return false; 3314 3315 event_hdr = skb_pull_data(clone, sizeof(*event_hdr)); 3316 if (!event_hdr || event_hdr->evt != HCI_EV_VENDOR) 3317 goto out; 3318 3319 dump_hdr = skb_pull_data(clone, sizeof(*dump_hdr)); 3320 if (!dump_hdr || (dump_hdr->vse_class != QCA_MEMDUMP_VSE_CLASS) || 3321 (dump_hdr->msg_type != QCA_MEMDUMP_MSG_TYPE)) 3322 goto out; 3323 3324 is_dump = true; 3325 out: 3326 consume_skb(clone); 3327 return is_dump; 3328 } 3329 3330 static int btusb_recv_acl_qca(struct hci_dev *hdev, struct sk_buff *skb) 3331 { 3332 if (acl_pkt_is_dump_qca(hdev, skb)) 3333 return handle_dump_pkt_qca(hdev, skb); 3334 return hci_recv_frame(hdev, skb); 3335 } 3336 3337 static int btusb_recv_evt_qca(struct hci_dev *hdev, struct sk_buff *skb) 3338 { 3339 if (evt_pkt_is_dump_qca(hdev, skb)) 3340 return handle_dump_pkt_qca(hdev, skb); 3341 return hci_recv_frame(hdev, skb); 3342 } 3343 3344 3345 #define QCA_DFU_PACKET_LEN 4096 3346 3347 #define QCA_GET_TARGET_VERSION 0x09 3348 #define QCA_CHECK_STATUS 0x05 3349 #define QCA_DFU_DOWNLOAD 0x01 3350 3351 #define QCA_SYSCFG_UPDATED 0x40 3352 #define QCA_PATCH_UPDATED 0x80 3353 #define QCA_DFU_TIMEOUT 3000 3354 #define QCA_FLAG_MULTI_NVM 0x80 3355 #define QCA_BT_RESET_WAIT_MS 100 3356 3357 #define WCN6855_2_0_RAM_VERSION_GF 0x400c1200 3358 #define WCN6855_2_1_RAM_VERSION_GF 0x400c1211 3359 3360 struct qca_version { 3361 __le32 rom_version; 3362 __le32 patch_version; 3363 __le32 ram_version; 3364 __u8 chip_id; 3365 __u8 platform_id; 3366 __le16 flag; 3367 __u8 reserved[4]; 3368 } __packed; 3369 3370 struct qca_rampatch_version { 3371 __le16 rom_version_high; 3372 __le16 rom_version_low; 3373 __le16 patch_version; 3374 } __packed; 3375 3376 struct qca_device_info { 3377 u32 rom_version; 3378 u8 rampatch_hdr; /* length of header in rampatch */ 3379 u8 nvm_hdr; /* length of header in NVM */ 3380 u8 ver_offset; /* offset of version structure in rampatch */ 3381 }; 3382 3383 struct qca_custom_firmware { 3384 u32 rom_version; 3385 u16 board_id; 3386 const char *subdirectory; 3387 }; 3388 3389 static const struct qca_device_info qca_devices_table[] = { 3390 { 0x00000100, 20, 4, 8 }, /* Rome 1.0 */ 3391 { 0x00000101, 20, 4, 8 }, /* Rome 1.1 */ 3392 { 0x00000200, 28, 4, 16 }, /* Rome 2.0 */ 3393 { 0x00000201, 28, 4, 16 }, /* Rome 2.1 */ 3394 { 0x00000300, 28, 4, 16 }, /* Rome 3.0 */ 3395 { 0x00000302, 28, 4, 16 }, /* Rome 3.2 */ 3396 { 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */ 3397 { 0x00130200, 40, 4, 16 }, /* WCN6855 2.0 */ 3398 { 0x00130201, 40, 4, 16 }, /* WCN6855 2.1 */ 3399 { 0x00190200, 40, 4, 16 }, /* WCN785x 2.0 */ 3400 }; 3401 3402 static const struct qca_custom_firmware qca_custom_btfws[] = { 3403 { 0x00130201, 0x030A, "QCA2066" }, 3404 { 0x00130201, 0x030B, "QCA2066" }, 3405 { }, 3406 }; 3407 3408 static u16 qca_extract_board_id(const struct qca_version *ver) 3409 { 3410 u16 flag = le16_to_cpu(ver->flag); 3411 u16 board_id = 0; 3412 3413 if (((flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) { 3414 /* The board_id should be split into two bytes 3415 * The 1st byte is chip ID, and the 2nd byte is platform ID 3416 * For example, board ID 0x010A, 0x01 is platform ID. 0x0A is chip ID 3417 * we have several platforms, and platform IDs are continuously added 3418 * Platform ID: 3419 * 0x00 is for Mobile 3420 * 0x01 is for X86 3421 * 0x02 is for Automotive 3422 * 0x03 is for Consumer electronic 3423 */ 3424 board_id = (ver->chip_id << 8) + ver->platform_id; 3425 } 3426 3427 /* Take 0xffff as invalid board ID */ 3428 if (board_id == 0xffff) 3429 board_id = 0; 3430 3431 return board_id; 3432 } 3433 3434 static const char *qca_get_fw_subdirectory(const struct qca_version *ver) 3435 { 3436 const struct qca_custom_firmware *ptr; 3437 u32 rom_ver; 3438 u16 board_id; 3439 3440 rom_ver = le32_to_cpu(ver->rom_version); 3441 board_id = qca_extract_board_id(ver); 3442 if (!board_id) 3443 return NULL; 3444 3445 for (ptr = qca_custom_btfws; ptr->rom_version; ptr++) { 3446 if (ptr->rom_version == rom_ver && 3447 ptr->board_id == board_id) 3448 return ptr->subdirectory; 3449 } 3450 3451 return NULL; 3452 } 3453 3454 static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request, 3455 void *data, u16 size) 3456 { 3457 int err; 3458 3459 /* Found some of USB hosts have IOT issues with ours so that we should 3460 * not wait until HCI layer is ready. 3461 */ 3462 err = usb_control_msg_recv(udev, 0, request, USB_TYPE_VENDOR | USB_DIR_IN, 3463 0, 0, data, size, USB_CTRL_GET_TIMEOUT, 3464 GFP_KERNEL); 3465 if (err) 3466 dev_err(&udev->dev, "Failed to access otp area (%d)", err); 3467 3468 return err; 3469 } 3470 3471 static int btusb_setup_qca_download_fw(struct hci_dev *hdev, 3472 const struct firmware *firmware, 3473 size_t hdr_size) 3474 { 3475 struct btusb_data *btdata = hci_get_drvdata(hdev); 3476 struct usb_device *udev = btdata->udev; 3477 size_t count, size, sent = 0; 3478 int pipe, len, err; 3479 u8 *buf; 3480 3481 buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL); 3482 if (!buf) 3483 return -ENOMEM; 3484 3485 count = firmware->size; 3486 3487 size = min_t(size_t, count, hdr_size); 3488 memcpy(buf, firmware->data, size); 3489 3490 /* USB patches should go down to controller through USB path 3491 * because binary format fits to go down through USB channel. 3492 * USB control path is for patching headers and USB bulk is for 3493 * patch body. 3494 */ 3495 pipe = usb_sndctrlpipe(udev, 0); 3496 err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR, 3497 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); 3498 if (err < 0) { 3499 bt_dev_err(hdev, "Failed to send headers (%d)", err); 3500 goto done; 3501 } 3502 3503 sent += size; 3504 count -= size; 3505 3506 /* ep2 need time to switch from function acl to function dfu, 3507 * so we add 20ms delay here. 3508 */ 3509 msleep(20); 3510 3511 while (count) { 3512 size = min_t(size_t, count, QCA_DFU_PACKET_LEN); 3513 3514 memcpy(buf, firmware->data + sent, size); 3515 3516 pipe = usb_sndbulkpipe(udev, 0x02); 3517 err = usb_bulk_msg(udev, pipe, buf, size, &len, 3518 QCA_DFU_TIMEOUT); 3519 if (err < 0) { 3520 bt_dev_err(hdev, "Failed to send body at %zd of %zd (%d)", 3521 sent, firmware->size, err); 3522 break; 3523 } 3524 3525 if (size != len) { 3526 bt_dev_err(hdev, "Failed to get bulk buffer"); 3527 err = -EILSEQ; 3528 break; 3529 } 3530 3531 sent += size; 3532 count -= size; 3533 } 3534 3535 done: 3536 kfree(buf); 3537 return err; 3538 } 3539 3540 static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev, 3541 struct qca_version *ver, 3542 const struct qca_device_info *info) 3543 { 3544 struct qca_rampatch_version *rver; 3545 const struct firmware *fw; 3546 const char *fw_subdir; 3547 u32 ver_rom, ver_patch, rver_rom; 3548 u16 rver_rom_low, rver_rom_high, rver_patch; 3549 char fwname[80]; 3550 int err; 3551 3552 ver_rom = le32_to_cpu(ver->rom_version); 3553 ver_patch = le32_to_cpu(ver->patch_version); 3554 3555 fw_subdir = qca_get_fw_subdirectory(ver); 3556 if (fw_subdir) 3557 snprintf(fwname, sizeof(fwname), "qca/%s/rampatch_usb_%08x.bin", 3558 fw_subdir, ver_rom); 3559 else 3560 snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", 3561 ver_rom); 3562 3563 err = request_firmware(&fw, fwname, &hdev->dev); 3564 if (err) { 3565 bt_dev_err(hdev, "failed to request rampatch file: %s (%d)", 3566 fwname, err); 3567 return err; 3568 } 3569 3570 bt_dev_info(hdev, "using rampatch file: %s", fwname); 3571 3572 rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset); 3573 rver_rom_low = le16_to_cpu(rver->rom_version_low); 3574 rver_patch = le16_to_cpu(rver->patch_version); 3575 3576 if (ver_rom & ~0xffffU) { 3577 rver_rom_high = le16_to_cpu(rver->rom_version_high); 3578 rver_rom = rver_rom_high << 16 | rver_rom_low; 3579 } else { 3580 rver_rom = rver_rom_low; 3581 } 3582 3583 bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, " 3584 "firmware rome 0x%x build 0x%x", 3585 rver_rom, rver_patch, ver_rom, ver_patch); 3586 3587 /* Allow rampatch when the patch version equals the firmware version. 3588 * A firmware download may be aborted by a transient USB error (e.g. 3589 * disconnect) after the controller updates version info but before 3590 * completion. 3591 * Allowing equal versions enables re-flashing during recovery. 3592 */ 3593 if (rver_rom != ver_rom || rver_patch < ver_patch) { 3594 bt_dev_err(hdev, "rampatch file version did not match with firmware"); 3595 err = -EINVAL; 3596 goto done; 3597 } 3598 3599 err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr); 3600 3601 done: 3602 release_firmware(fw); 3603 3604 return err; 3605 } 3606 3607 static void btusb_generate_qca_nvm_name(char *fwname, size_t max_size, 3608 const struct qca_version *ver) 3609 { 3610 u32 rom_version = le32_to_cpu(ver->rom_version); 3611 const char *variant, *fw_subdir; 3612 int len; 3613 u16 board_id; 3614 3615 fw_subdir = qca_get_fw_subdirectory(ver); 3616 board_id = qca_extract_board_id(ver); 3617 3618 switch (le32_to_cpu(ver->ram_version)) { 3619 case WCN6855_2_0_RAM_VERSION_GF: 3620 case WCN6855_2_1_RAM_VERSION_GF: 3621 variant = "_gf"; 3622 break; 3623 default: 3624 variant = NULL; 3625 break; 3626 } 3627 3628 if (fw_subdir) 3629 len = snprintf(fwname, max_size, "qca/%s/nvm_usb_%08x", 3630 fw_subdir, rom_version); 3631 else 3632 len = snprintf(fwname, max_size, "qca/nvm_usb_%08x", 3633 rom_version); 3634 if (variant) 3635 len += snprintf(fwname + len, max_size - len, "%s", variant); 3636 if (board_id) 3637 len += snprintf(fwname + len, max_size - len, "_%04x", board_id); 3638 len += snprintf(fwname + len, max_size - len, ".bin"); 3639 } 3640 3641 static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, 3642 struct qca_version *ver, 3643 const struct qca_device_info *info) 3644 { 3645 const struct firmware *fw; 3646 char fwname[80]; 3647 int err; 3648 3649 btusb_generate_qca_nvm_name(fwname, sizeof(fwname), ver); 3650 3651 err = request_firmware(&fw, fwname, &hdev->dev); 3652 if (err) { 3653 bt_dev_err(hdev, "failed to request NVM file: %s (%d)", 3654 fwname, err); 3655 return err; 3656 } 3657 3658 bt_dev_info(hdev, "using NVM file: %s", fwname); 3659 3660 err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr); 3661 3662 release_firmware(fw); 3663 3664 return err; 3665 } 3666 3667 /* identify the ROM version and check whether patches are needed */ 3668 static bool btusb_qca_need_patch(struct usb_device *udev) 3669 { 3670 struct qca_version ver; 3671 3672 if (btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver, 3673 sizeof(ver))) 3674 return false; 3675 /* only low ROM versions need patches */ 3676 return !(le32_to_cpu(ver.rom_version) & ~0xffffU); 3677 } 3678 3679 static int btusb_setup_qca(struct hci_dev *hdev) 3680 { 3681 struct btusb_data *btdata = hci_get_drvdata(hdev); 3682 struct usb_device *udev = btdata->udev; 3683 const struct qca_device_info *info = NULL; 3684 struct qca_version ver; 3685 u32 ver_rom; 3686 u8 status; 3687 int i, err; 3688 3689 err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver, 3690 sizeof(ver)); 3691 if (err) 3692 return err; 3693 3694 ver_rom = le32_to_cpu(ver.rom_version); 3695 3696 for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) { 3697 if (ver_rom == qca_devices_table[i].rom_version) 3698 info = &qca_devices_table[i]; 3699 } 3700 if (!info) { 3701 /* If the rom_version is not matched in the qca_devices_table 3702 * and the high ROM version is not zero, we assume this chip no 3703 * need to load the rampatch and nvm. 3704 */ 3705 if (ver_rom & ~0xffffU) 3706 return 0; 3707 3708 bt_dev_err(hdev, "don't support firmware rome 0x%x", ver_rom); 3709 return -ENODEV; 3710 } 3711 3712 err = btusb_qca_send_vendor_req(udev, QCA_CHECK_STATUS, &status, 3713 sizeof(status)); 3714 if (err) 3715 return err; 3716 3717 if (!(status & QCA_PATCH_UPDATED)) { 3718 err = btusb_setup_qca_load_rampatch(hdev, &ver, info); 3719 if (err < 0) 3720 return err; 3721 } 3722 3723 err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver, 3724 sizeof(ver)); 3725 if (err) 3726 return err; 3727 3728 if (btdata->match_id->driver_info & BTUSB_QCA_WCN6855) { 3729 struct btqca_data *btqca_data = hci_get_priv(hdev); 3730 3731 btqca_data->qca_dump.fw_version = le32_to_cpu(ver.patch_version); 3732 btqca_data->qca_dump.controller_id = le32_to_cpu(ver.rom_version); 3733 } 3734 3735 if (!(status & QCA_SYSCFG_UPDATED)) { 3736 err = btusb_setup_qca_load_nvm(hdev, &ver, info); 3737 if (err < 0) 3738 return err; 3739 3740 /* WCN6855 2.1 and later will reset to apply firmware downloaded here, so 3741 * wait ~100ms for reset Done then go ahead, otherwise, it maybe 3742 * cause potential enable failure. 3743 */ 3744 if (info->rom_version >= 0x00130201) 3745 msleep(QCA_BT_RESET_WAIT_MS); 3746 } 3747 3748 /* Mark HCI_OP_ENHANCED_SETUP_SYNC_CONN as broken as it doesn't seem to 3749 * work with the likes of HSP/HFP mSBC. 3750 */ 3751 hci_set_quirk(hdev, HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN); 3752 3753 return 0; 3754 } 3755 3756 static inline int __set_diag_interface(struct hci_dev *hdev) 3757 { 3758 struct btusb_data *data = hci_get_drvdata(hdev); 3759 struct usb_interface *intf = data->diag; 3760 int ret; 3761 3762 if (!data->diag) 3763 return -ENODEV; 3764 3765 ret = usb_find_common_endpoints(intf->cur_altsetting, &data->diag_rx_ep, 3766 &data->diag_tx_ep, NULL, NULL); 3767 if (ret) { 3768 bt_dev_err(hdev, "invalid diagnostic descriptors"); 3769 return -ENODEV; 3770 } 3771 3772 return 0; 3773 } 3774 3775 static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable) 3776 { 3777 struct btusb_data *data = hci_get_drvdata(hdev); 3778 struct sk_buff *skb; 3779 struct urb *urb; 3780 unsigned int pipe; 3781 3782 if (!data->diag_tx_ep) 3783 return ERR_PTR(-ENODEV); 3784 3785 urb = usb_alloc_urb(0, GFP_KERNEL); 3786 if (!urb) 3787 return ERR_PTR(-ENOMEM); 3788 3789 skb = bt_skb_alloc(2, GFP_KERNEL); 3790 if (!skb) { 3791 usb_free_urb(urb); 3792 return ERR_PTR(-ENOMEM); 3793 } 3794 3795 skb_put_u8(skb, 0xf0); 3796 skb_put_u8(skb, enable); 3797 3798 pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress); 3799 3800 usb_fill_bulk_urb(urb, data->udev, pipe, 3801 skb->data, skb->len, btusb_tx_complete, skb); 3802 3803 skb->dev = (void *)hdev; 3804 3805 return urb; 3806 } 3807 3808 static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable) 3809 { 3810 struct btusb_data *data = hci_get_drvdata(hdev); 3811 struct urb *urb; 3812 3813 if (!data->diag) 3814 return -ENODEV; 3815 3816 if (!test_bit(HCI_RUNNING, &hdev->flags)) 3817 return -ENETDOWN; 3818 3819 urb = alloc_diag_urb(hdev, enable); 3820 if (IS_ERR(urb)) 3821 return PTR_ERR(urb); 3822 3823 return submit_or_queue_tx_urb(hdev, urb); 3824 } 3825 3826 #ifdef CONFIG_PM 3827 static irqreturn_t btusb_oob_wake_handler(int irq, void *priv) 3828 { 3829 struct btusb_data *data = priv; 3830 3831 pm_wakeup_event(&data->udev->dev, 0); 3832 pm_system_wakeup(); 3833 3834 /* Disable only if not already disabled (keep it balanced) */ 3835 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) { 3836 disable_irq_nosync(irq); 3837 disable_irq_wake(irq); 3838 } 3839 return IRQ_HANDLED; 3840 } 3841 3842 static const struct of_device_id btusb_match_table[] = { 3843 { .compatible = "usb1286,204e" }, 3844 { .compatible = "usbcf3,e300" }, /* QCA6174A */ 3845 { .compatible = "usb4ca,301a" }, /* QCA6174A (Lite-On) */ 3846 { } 3847 }; 3848 MODULE_DEVICE_TABLE(of, btusb_match_table); 3849 3850 /* Use an oob wakeup pin? */ 3851 static int btusb_config_oob_wake(struct hci_dev *hdev) 3852 { 3853 struct btusb_data *data = hci_get_drvdata(hdev); 3854 struct device *dev = &data->udev->dev; 3855 int irq, ret; 3856 3857 clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags); 3858 3859 if (!of_match_device(btusb_match_table, dev)) 3860 return 0; 3861 3862 /* Move on if no IRQ specified */ 3863 irq = of_irq_get_byname(dev->of_node, "wakeup"); 3864 if (irq <= 0) { 3865 bt_dev_dbg(hdev, "%s: no OOB Wakeup IRQ in DT", __func__); 3866 return 0; 3867 } 3868 3869 irq_set_status_flags(irq, IRQ_NOAUTOEN); 3870 ret = request_irq(irq, btusb_oob_wake_handler, 0, "OOB Wake-on-BT", data); 3871 if (ret) { 3872 bt_dev_err(hdev, "%s: IRQ request failed", __func__); 3873 return ret; 3874 } 3875 3876 ret = device_init_wakeup(dev, true); 3877 if (ret) { 3878 bt_dev_err(hdev, "%s: failed to init_wakeup", __func__); 3879 goto err_free_irq; 3880 } 3881 3882 data->oob_wake_irq = irq; 3883 bt_dev_info(hdev, "OOB Wake-on-BT configured at IRQ %u", irq); 3884 3885 return 0; 3886 3887 err_free_irq: 3888 free_irq(irq, data); 3889 3890 return ret; 3891 } 3892 #else 3893 static inline int btusb_config_oob_wake(struct hci_dev *hdev) 3894 { 3895 return 0; 3896 } 3897 #endif 3898 3899 static void btusb_check_needs_reset_resume(struct usb_interface *intf) 3900 { 3901 if (dmi_check_system(btusb_needs_reset_resume_table)) 3902 interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME; 3903 } 3904 3905 static bool btusb_wakeup(struct hci_dev *hdev) 3906 { 3907 struct btusb_data *data = hci_get_drvdata(hdev); 3908 3909 return device_may_wakeup(&data->udev->dev); 3910 } 3911 3912 static int btusb_shutdown_qca(struct hci_dev *hdev) 3913 { 3914 int err; 3915 3916 err = __hci_reset_sync(hdev); 3917 if (err) 3918 bt_dev_err(hdev, "HCI reset during shutdown failed"); 3919 3920 return err; 3921 } 3922 3923 static ssize_t force_poll_sync_read(struct file *file, char __user *user_buf, 3924 size_t count, loff_t *ppos) 3925 { 3926 struct btusb_data *data = file->private_data; 3927 char buf[3]; 3928 3929 buf[0] = data->poll_sync ? 'Y' : 'N'; 3930 buf[1] = '\n'; 3931 buf[2] = '\0'; 3932 return simple_read_from_buffer(user_buf, count, ppos, buf, 2); 3933 } 3934 3935 static ssize_t force_poll_sync_write(struct file *file, 3936 const char __user *user_buf, 3937 size_t count, loff_t *ppos) 3938 { 3939 struct btusb_data *data = file->private_data; 3940 bool enable; 3941 int err; 3942 3943 err = kstrtobool_from_user(user_buf, count, &enable); 3944 if (err) 3945 return err; 3946 3947 /* Only allow changes while the adapter is down */ 3948 if (test_bit(HCI_UP, &data->hdev->flags)) 3949 return -EPERM; 3950 3951 if (data->poll_sync == enable) 3952 return -EALREADY; 3953 3954 data->poll_sync = enable; 3955 3956 return count; 3957 } 3958 3959 static const struct file_operations force_poll_sync_fops = { 3960 .owner = THIS_MODULE, 3961 .open = simple_open, 3962 .read = force_poll_sync_read, 3963 .write = force_poll_sync_write, 3964 .llseek = default_llseek, 3965 }; 3966 3967 #define BTUSB_HCI_DRV_OP_SUPPORTED_ALTSETTINGS \ 3968 hci_opcode_pack(HCI_DRV_OGF_DRIVER_SPECIFIC, 0x0000) 3969 #define BTUSB_HCI_DRV_SUPPORTED_ALTSETTINGS_SIZE 0 3970 struct btusb_hci_drv_rp_supported_altsettings { 3971 __u8 num; 3972 __u8 altsettings[]; 3973 } __packed; 3974 3975 #define BTUSB_HCI_DRV_OP_SWITCH_ALTSETTING \ 3976 hci_opcode_pack(HCI_DRV_OGF_DRIVER_SPECIFIC, 0x0001) 3977 #define BTUSB_HCI_DRV_SWITCH_ALTSETTING_SIZE 1 3978 struct btusb_hci_drv_cmd_switch_altsetting { 3979 __u8 altsetting; 3980 } __packed; 3981 3982 static const struct { 3983 u16 opcode; 3984 const char *desc; 3985 } btusb_hci_drv_supported_commands[] = { 3986 /* Common commands */ 3987 { HCI_DRV_OP_READ_INFO, "Read Info" }, 3988 3989 /* Driver specific commands */ 3990 { BTUSB_HCI_DRV_OP_SUPPORTED_ALTSETTINGS, "Supported Altsettings" }, 3991 { BTUSB_HCI_DRV_OP_SWITCH_ALTSETTING, "Switch Altsetting" }, 3992 }; 3993 static int btusb_hci_drv_read_info(struct hci_dev *hdev, void *data, 3994 u16 data_len) 3995 { 3996 struct hci_drv_rp_read_info *rp; 3997 size_t rp_size; 3998 int err, i; 3999 u16 opcode, num_supported_commands = 4000 ARRAY_SIZE(btusb_hci_drv_supported_commands); 4001 4002 rp_size = sizeof(*rp) + num_supported_commands * 2; 4003 4004 rp = kmalloc(rp_size, GFP_KERNEL); 4005 if (!rp) 4006 return -ENOMEM; 4007 4008 strscpy_pad(rp->driver_name, btusb_driver.name); 4009 4010 rp->num_supported_commands = cpu_to_le16(num_supported_commands); 4011 for (i = 0; i < num_supported_commands; i++) { 4012 opcode = btusb_hci_drv_supported_commands[i].opcode; 4013 bt_dev_info(hdev, 4014 "Supported HCI Drv command (0x%02x|0x%04x): %s", 4015 hci_opcode_ogf(opcode), 4016 hci_opcode_ocf(opcode), 4017 btusb_hci_drv_supported_commands[i].desc); 4018 rp->supported_commands[i] = cpu_to_le16(opcode); 4019 } 4020 4021 err = hci_drv_cmd_complete(hdev, HCI_DRV_OP_READ_INFO, 4022 HCI_DRV_STATUS_SUCCESS, rp, rp_size); 4023 4024 kfree(rp); 4025 return err; 4026 } 4027 4028 static int btusb_hci_drv_supported_altsettings(struct hci_dev *hdev, void *data, 4029 u16 data_len) 4030 { 4031 struct btusb_data *drvdata = hci_get_drvdata(hdev); 4032 struct btusb_hci_drv_rp_supported_altsettings *rp; 4033 size_t rp_size; 4034 int err; 4035 u8 i; 4036 4037 /* There are at most 7 alt (0 - 6) */ 4038 rp = kmalloc(sizeof(*rp) + 7, GFP_KERNEL); 4039 if (!rp) 4040 return -ENOMEM; 4041 4042 rp->num = 0; 4043 if (!drvdata->isoc) 4044 goto done; 4045 4046 for (i = 0; i <= 6; i++) { 4047 if (btusb_find_altsetting(drvdata, i)) 4048 rp->altsettings[rp->num++] = i; 4049 } 4050 4051 done: 4052 rp_size = sizeof(*rp) + rp->num; 4053 4054 err = hci_drv_cmd_complete(hdev, BTUSB_HCI_DRV_OP_SUPPORTED_ALTSETTINGS, 4055 HCI_DRV_STATUS_SUCCESS, rp, rp_size); 4056 kfree(rp); 4057 return err; 4058 } 4059 4060 static int btusb_hci_drv_switch_altsetting(struct hci_dev *hdev, void *data, 4061 u16 data_len) 4062 { 4063 struct btusb_hci_drv_cmd_switch_altsetting *cmd = data; 4064 u8 status; 4065 4066 if (cmd->altsetting > 6) { 4067 status = HCI_DRV_STATUS_INVALID_PARAMETERS; 4068 } else { 4069 if (btusb_switch_alt_setting(hdev, cmd->altsetting)) 4070 status = HCI_DRV_STATUS_UNSPECIFIED_ERROR; 4071 else 4072 status = HCI_DRV_STATUS_SUCCESS; 4073 } 4074 4075 return hci_drv_cmd_status(hdev, BTUSB_HCI_DRV_OP_SWITCH_ALTSETTING, 4076 status); 4077 } 4078 4079 static const struct hci_drv_handler btusb_hci_drv_common_handlers[] = { 4080 { btusb_hci_drv_read_info, HCI_DRV_READ_INFO_SIZE }, 4081 }; 4082 4083 static const struct hci_drv_handler btusb_hci_drv_specific_handlers[] = { 4084 { btusb_hci_drv_supported_altsettings, 4085 BTUSB_HCI_DRV_SUPPORTED_ALTSETTINGS_SIZE }, 4086 { btusb_hci_drv_switch_altsetting, 4087 BTUSB_HCI_DRV_SWITCH_ALTSETTING_SIZE }, 4088 }; 4089 4090 static struct hci_drv btusb_hci_drv = { 4091 .common_handler_count = ARRAY_SIZE(btusb_hci_drv_common_handlers), 4092 .common_handlers = btusb_hci_drv_common_handlers, 4093 .specific_handler_count = ARRAY_SIZE(btusb_hci_drv_specific_handlers), 4094 .specific_handlers = btusb_hci_drv_specific_handlers, 4095 }; 4096 4097 static int btusb_probe(struct usb_interface *intf, 4098 const struct usb_device_id *id) 4099 { 4100 struct gpio_desc *reset_gpio; 4101 struct btusb_data *data; 4102 struct hci_dev *hdev; 4103 unsigned ifnum_base; 4104 int err, priv_size = 0; 4105 4106 BT_DBG("intf %p id %p", intf, id); 4107 4108 if ((id->driver_info & BTUSB_IFNUM_2) && 4109 (intf->cur_altsetting->desc.bInterfaceNumber != 0) && 4110 (intf->cur_altsetting->desc.bInterfaceNumber != 2)) 4111 return -ENODEV; 4112 4113 ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber; 4114 4115 if (!id->driver_info) { 4116 const struct usb_device_id *match; 4117 4118 match = usb_match_id(intf, quirks_table); 4119 if (match) 4120 id = match; 4121 } 4122 4123 if (id->driver_info & BTUSB_IGNORE) 4124 return -ENODEV; 4125 4126 if (id->driver_info & BTUSB_ATH3012) { 4127 struct usb_device *udev = interface_to_usbdev(intf); 4128 4129 /* Old firmware would otherwise let ath3k driver load 4130 * patch and sysconfig files 4131 */ 4132 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001 && 4133 !btusb_qca_need_patch(udev)) 4134 return -ENODEV; 4135 } 4136 4137 data = kzalloc_obj(*data); 4138 if (!data) 4139 return -ENOMEM; 4140 4141 data->match_id = id; 4142 err = usb_find_common_endpoints(intf->cur_altsetting, &data->bulk_rx_ep, 4143 &data->bulk_tx_ep, &data->intr_ep, NULL); 4144 if (err) 4145 goto err_free_data; 4146 4147 if (id->driver_info & BTUSB_AMP) { 4148 data->cmdreq_type = USB_TYPE_CLASS | 0x01; 4149 data->cmdreq = 0x2b; 4150 } else { 4151 data->cmdreq_type = USB_TYPE_CLASS; 4152 data->cmdreq = 0x00; 4153 } 4154 4155 data->udev = interface_to_usbdev(intf); 4156 data->intf = intf; 4157 4158 INIT_WORK(&data->work, btusb_work); 4159 INIT_WORK(&data->waker, btusb_waker); 4160 INIT_DELAYED_WORK(&data->rx_work, btusb_rx_work); 4161 4162 skb_queue_head_init(&data->acl_q); 4163 4164 init_usb_anchor(&data->deferred); 4165 init_usb_anchor(&data->tx_anchor); 4166 spin_lock_init(&data->txlock); 4167 4168 init_usb_anchor(&data->intr_anchor); 4169 init_usb_anchor(&data->bulk_anchor); 4170 init_usb_anchor(&data->isoc_anchor); 4171 init_usb_anchor(&data->diag_anchor); 4172 init_usb_anchor(&data->ctrl_anchor); 4173 spin_lock_init(&data->rxlock); 4174 4175 data->recv_event = hci_recv_frame; 4176 data->recv_bulk = btusb_recv_bulk; 4177 4178 if (id->driver_info & BTUSB_INTEL_COMBINED) { 4179 /* Allocate extra space for Intel device */ 4180 priv_size += sizeof(struct btintel_data); 4181 4182 /* Override the rx handlers */ 4183 data->recv_event = btintel_recv_event; 4184 data->recv_bulk = btusb_recv_bulk_intel; 4185 } else if (id->driver_info & BTUSB_REALTEK) { 4186 /* Allocate extra space for Realtek device */ 4187 priv_size += sizeof(struct btrealtek_data); 4188 4189 data->recv_event = btusb_recv_event_realtek; 4190 } else if (id->driver_info & BTUSB_MEDIATEK) { 4191 /* Allocate extra space for Mediatek device */ 4192 priv_size += sizeof(struct btmtk_data); 4193 } else if (id->driver_info & BTUSB_QCA_WCN6855) { 4194 /* Allocate extra space for QCA WCN6855 device */ 4195 priv_size += sizeof(struct btqca_data); 4196 } 4197 4198 data->recv_acl = hci_recv_frame; 4199 4200 hdev = hci_alloc_dev_priv(priv_size); 4201 if (!hdev) { 4202 err = -ENOMEM; 4203 goto err_free_data; 4204 } 4205 4206 hdev->bus = HCI_USB; 4207 hci_set_drvdata(hdev, data); 4208 4209 data->hdev = hdev; 4210 4211 SET_HCIDEV_DEV(hdev, &intf->dev); 4212 4213 reset_gpio = gpiod_get_optional(&data->udev->dev, "reset", 4214 GPIOD_OUT_LOW); 4215 if (IS_ERR(reset_gpio)) { 4216 err = PTR_ERR(reset_gpio); 4217 goto err_free_hdev; 4218 } else if (reset_gpio) { 4219 data->reset_gpio = reset_gpio; 4220 } 4221 4222 hdev->open = btusb_open; 4223 hdev->close = btusb_close; 4224 hdev->flush = btusb_flush; 4225 hdev->send = btusb_send_frame; 4226 hdev->notify = btusb_notify; 4227 hdev->wakeup = btusb_wakeup; 4228 hdev->hci_drv = &btusb_hci_drv; 4229 4230 err = btusb_config_oob_wake(hdev); 4231 if (err) 4232 goto err_put_reset; 4233 4234 /* Marvell devices may need a specific chip configuration */ 4235 if (id->driver_info & BTUSB_MARVELL && data->oob_wake_irq) { 4236 err = marvell_config_oob_wake(hdev); 4237 if (err) 4238 goto err_disable_wakeup; 4239 } 4240 4241 if (id->driver_info & BTUSB_CW6622) 4242 hci_set_quirk(hdev, HCI_QUIRK_BROKEN_STORED_LINK_KEY); 4243 4244 if (id->driver_info & BTUSB_BCM2045) 4245 hci_set_quirk(hdev, HCI_QUIRK_BROKEN_STORED_LINK_KEY); 4246 4247 if (id->driver_info & BTUSB_BCM92035) 4248 hdev->setup = btusb_setup_bcm92035; 4249 4250 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && 4251 (id->driver_info & BTUSB_BCM_PATCHRAM)) { 4252 hdev->manufacturer = 15; 4253 hdev->setup = btbcm_setup_patchram; 4254 hdev->set_diag = btusb_bcm_set_diag; 4255 hdev->set_bdaddr = btbcm_set_bdaddr; 4256 4257 /* Broadcom LM_DIAG Interface numbers are hardcoded */ 4258 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2); 4259 } 4260 4261 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && 4262 (id->driver_info & BTUSB_BCM_APPLE)) { 4263 hdev->manufacturer = 15; 4264 hdev->setup = btbcm_setup_apple; 4265 hdev->set_diag = btusb_bcm_set_diag; 4266 4267 /* Broadcom LM_DIAG Interface numbers are hardcoded */ 4268 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2); 4269 } 4270 4271 /* Combined Intel Device setup to support multiple setup routine */ 4272 if (id->driver_info & BTUSB_INTEL_COMBINED) { 4273 err = btintel_configure_setup(hdev, btusb_driver.name); 4274 if (err) 4275 goto err_kill_tx_urbs; 4276 4277 /* Transport specific configuration */ 4278 hdev->send = btusb_send_frame_intel; 4279 hdev->reset = btusb_intel_reset; 4280 4281 if (id->driver_info & BTUSB_INTEL_NO_WBS_SUPPORT) 4282 btintel_set_flag(hdev, INTEL_ROM_LEGACY_NO_WBS_SUPPORT); 4283 4284 if (id->driver_info & BTUSB_INTEL_BROKEN_INITIAL_NCMD) 4285 btintel_set_flag(hdev, INTEL_BROKEN_INITIAL_NCMD); 4286 4287 if (id->driver_info & BTUSB_INTEL_BROKEN_SHUTDOWN_LED) 4288 btintel_set_flag(hdev, INTEL_BROKEN_SHUTDOWN_LED); 4289 } 4290 4291 if (id->driver_info & BTUSB_MARVELL) 4292 hdev->set_bdaddr = btusb_set_bdaddr_marvell; 4293 4294 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_MTK) && 4295 (id->driver_info & BTUSB_MEDIATEK)) { 4296 hdev->setup = btusb_mtk_setup; 4297 hdev->shutdown = btusb_mtk_shutdown; 4298 hdev->manufacturer = 70; 4299 hdev->reset = btmtk_reset_sync; 4300 hdev->set_bdaddr = btmtk_set_bdaddr; 4301 hdev->send = btusb_send_frame_mtk; 4302 hci_set_quirk(hdev, HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN); 4303 hci_set_quirk(hdev, HCI_QUIRK_NON_PERSISTENT_SETUP); 4304 data->recv_acl = btmtk_usb_recv_acl; 4305 data->recv_event = btmtk_recv_event; 4306 data->suspend = btmtk_usb_suspend; 4307 data->resume = btmtk_usb_resume; 4308 data->disconnect = btusb_mtk_disconnect; 4309 } 4310 4311 if (id->driver_info & BTUSB_SWAVE) { 4312 hci_set_quirk(hdev, HCI_QUIRK_FIXUP_INQUIRY_MODE); 4313 hci_set_quirk(hdev, HCI_QUIRK_BROKEN_LOCAL_COMMANDS); 4314 } 4315 4316 if (id->driver_info & BTUSB_INTEL_BOOT) { 4317 hdev->manufacturer = 2; 4318 hci_set_quirk(hdev, HCI_QUIRK_RAW_DEVICE); 4319 } 4320 4321 if (id->driver_info & BTUSB_ATH3012) { 4322 data->setup_on_usb = btusb_setup_qca; 4323 hdev->set_bdaddr = btusb_set_bdaddr_ath3012; 4324 hci_set_quirk(hdev, HCI_QUIRK_SIMULTANEOUS_DISCOVERY); 4325 hci_set_quirk(hdev, HCI_QUIRK_STRICT_DUPLICATE_FILTER); 4326 } 4327 4328 if (id->driver_info & BTUSB_QCA_ROME) { 4329 data->setup_on_usb = btusb_setup_qca; 4330 hdev->shutdown = btusb_shutdown_qca; 4331 hdev->set_bdaddr = btusb_set_bdaddr_ath3012; 4332 hdev->reset = btusb_qca_reset; 4333 hci_set_quirk(hdev, HCI_QUIRK_SIMULTANEOUS_DISCOVERY); 4334 btusb_check_needs_reset_resume(intf); 4335 } 4336 4337 if (id->driver_info & BTUSB_QCA_WCN6855) { 4338 struct btqca_data *btqca_data = hci_get_priv(hdev); 4339 4340 btqca_data->qca_dump.id_vendor = id->idVendor; 4341 btqca_data->qca_dump.id_product = id->idProduct; 4342 data->recv_event = btusb_recv_evt_qca; 4343 data->recv_acl = btusb_recv_acl_qca; 4344 hci_devcd_register(hdev, btusb_coredump_qca, btusb_dump_hdr_qca, NULL); 4345 data->setup_on_usb = btusb_setup_qca; 4346 hdev->classify_pkt_type = btusb_classify_qca_pkt_type; 4347 hdev->shutdown = btusb_shutdown_qca; 4348 hdev->set_bdaddr = btusb_set_bdaddr_wcn6855; 4349 hdev->reset = btusb_qca_reset; 4350 hci_set_quirk(hdev, HCI_QUIRK_SIMULTANEOUS_DISCOVERY); 4351 hci_set_msft_opcode(hdev, 0xFD70); 4352 } 4353 4354 if (id->driver_info & BTUSB_AMP) { 4355 /* AMP controllers do not support SCO packets */ 4356 data->isoc = NULL; 4357 } else { 4358 /* Interface orders are hardcoded in the specification */ 4359 data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1); 4360 data->isoc_ifnum = ifnum_base + 1; 4361 } 4362 4363 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_RTL) && 4364 (id->driver_info & BTUSB_REALTEK)) { 4365 btrtl_set_driver_name(hdev, btusb_driver.name); 4366 hdev->setup = btusb_setup_realtek; 4367 hdev->shutdown = btrtl_shutdown_realtek; 4368 hdev->reset = btusb_rtl_reset; 4369 hdev->hw_error = btusb_rtl_hw_error; 4370 4371 /* Realtek devices need to set remote wakeup on auto-suspend */ 4372 set_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags); 4373 set_bit(BTUSB_USE_ALT3_FOR_WBS, &data->flags); 4374 } 4375 4376 if (id->driver_info & BTUSB_ACTIONS_SEMI) { 4377 /* Support is advertised, but not implemented */ 4378 hci_set_quirk(hdev, HCI_QUIRK_BROKEN_ERR_DATA_REPORTING); 4379 hci_set_quirk(hdev, HCI_QUIRK_BROKEN_READ_TRANSMIT_POWER); 4380 hci_set_quirk(hdev, HCI_QUIRK_BROKEN_SET_RPA_TIMEOUT); 4381 hci_set_quirk(hdev, HCI_QUIRK_BROKEN_EXT_SCAN); 4382 hci_set_quirk(hdev, HCI_QUIRK_BROKEN_READ_ENC_KEY_SIZE); 4383 hci_set_quirk(hdev, HCI_QUIRK_BROKEN_EXT_CREATE_CONN); 4384 hci_set_quirk(hdev, HCI_QUIRK_BROKEN_WRITE_AUTH_PAYLOAD_TIMEOUT); 4385 } 4386 4387 if (!reset) 4388 hci_set_quirk(hdev, HCI_QUIRK_RESET_ON_CLOSE); 4389 4390 if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { 4391 if (!disable_scofix) 4392 hci_set_quirk(hdev, HCI_QUIRK_FIXUP_BUFFER_SIZE); 4393 } 4394 4395 if (id->driver_info & BTUSB_BROKEN_ISOC) 4396 data->isoc = NULL; 4397 4398 if (id->driver_info & BTUSB_WIDEBAND_SPEECH) 4399 hci_set_quirk(hdev, HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED); 4400 4401 if (id->driver_info & BTUSB_INVALID_LE_STATES) 4402 hci_set_quirk(hdev, HCI_QUIRK_BROKEN_LE_STATES); 4403 4404 if (id->driver_info & BTUSB_DIGIANSWER) { 4405 data->cmdreq_type = USB_TYPE_VENDOR; 4406 hci_set_quirk(hdev, HCI_QUIRK_RESET_ON_CLOSE); 4407 } 4408 4409 if (id->driver_info & BTUSB_CSR) { 4410 struct usb_device *udev = data->udev; 4411 u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); 4412 4413 /* Old firmware would otherwise execute USB reset */ 4414 if (bcdDevice < 0x117) 4415 hci_set_quirk(hdev, HCI_QUIRK_RESET_ON_CLOSE); 4416 4417 /* This must be set first in case we disable it for fakes */ 4418 hci_set_quirk(hdev, HCI_QUIRK_SIMULTANEOUS_DISCOVERY); 4419 4420 /* Fake CSR devices with broken commands */ 4421 if (le16_to_cpu(udev->descriptor.idVendor) == 0x0a12 && 4422 le16_to_cpu(udev->descriptor.idProduct) == 0x0001) 4423 hdev->setup = btusb_setup_csr; 4424 } 4425 4426 if (id->driver_info & BTUSB_SNIFFER) { 4427 struct usb_device *udev = data->udev; 4428 4429 /* New sniffer firmware has crippled HCI interface */ 4430 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) 4431 hci_set_quirk(hdev, HCI_QUIRK_RAW_DEVICE); 4432 } 4433 4434 if (id->driver_info & BTUSB_INTEL_BOOT) { 4435 /* A bug in the bootloader causes that interrupt interface is 4436 * only enabled after receiving SetInterface(0, AltSetting=0). 4437 */ 4438 err = usb_set_interface(data->udev, 0, 0); 4439 if (err < 0) { 4440 BT_ERR("failed to set interface 0, alt 0 %d", err); 4441 goto err_kill_tx_urbs; 4442 } 4443 } 4444 4445 if (data->isoc) { 4446 err = usb_driver_claim_interface(&btusb_driver, 4447 data->isoc, data); 4448 if (err < 0) 4449 goto err_kill_tx_urbs; 4450 } 4451 4452 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && data->diag) { 4453 if (!usb_driver_claim_interface(&btusb_driver, 4454 data->diag, data)) 4455 __set_diag_interface(hdev); 4456 else 4457 data->diag = NULL; 4458 } 4459 4460 if (enable_autosuspend) 4461 usb_enable_autosuspend(data->udev); 4462 4463 data->poll_sync = enable_poll_sync; 4464 4465 err = hci_register_dev(hdev); 4466 if (err < 0) 4467 goto err_release_siblings; 4468 4469 usb_set_intfdata(intf, data); 4470 4471 debugfs_create_file("force_poll_sync", 0644, hdev->debugfs, data, 4472 &force_poll_sync_fops); 4473 4474 return 0; 4475 4476 err_release_siblings: 4477 if (data->diag) { 4478 usb_set_intfdata(data->diag, NULL); 4479 usb_driver_release_interface(&btusb_driver, data->diag); 4480 } 4481 if (data->isoc) { 4482 usb_set_intfdata(data->isoc, NULL); 4483 usb_driver_release_interface(&btusb_driver, data->isoc); 4484 } 4485 err_kill_tx_urbs: 4486 usb_kill_anchored_urbs(&data->tx_anchor); 4487 err_disable_wakeup: 4488 if (data->oob_wake_irq) { 4489 device_init_wakeup(&data->udev->dev, false); 4490 free_irq(data->oob_wake_irq, data); 4491 } 4492 err_put_reset: 4493 if (data->reset_gpio) 4494 gpiod_put(data->reset_gpio); 4495 err_free_hdev: 4496 hci_free_dev(hdev); 4497 err_free_data: 4498 kfree(data); 4499 4500 return err; 4501 } 4502 4503 static void btusb_disconnect(struct usb_interface *intf) 4504 { 4505 struct btusb_data *data = usb_get_intfdata(intf); 4506 struct hci_dev *hdev; 4507 4508 BT_DBG("intf %p", intf); 4509 4510 if (!data) 4511 return; 4512 4513 hdev = data->hdev; 4514 usb_set_intfdata(data->intf, NULL); 4515 4516 if (data->isoc) 4517 usb_set_intfdata(data->isoc, NULL); 4518 4519 if (data->diag) 4520 usb_set_intfdata(data->diag, NULL); 4521 4522 if (data->disconnect) 4523 data->disconnect(hdev); 4524 4525 hci_unregister_dev(hdev); 4526 4527 if (data->oob_wake_irq) { 4528 device_init_wakeup(&data->udev->dev, false); 4529 free_irq(data->oob_wake_irq, data); 4530 } 4531 4532 if (data->reset_gpio) 4533 gpiod_put(data->reset_gpio); 4534 4535 if (intf == data->intf) { 4536 if (data->isoc) 4537 usb_driver_release_interface(&btusb_driver, data->isoc); 4538 if (data->diag) 4539 usb_driver_release_interface(&btusb_driver, data->diag); 4540 } else if (intf == data->isoc) { 4541 if (data->diag) 4542 usb_driver_release_interface(&btusb_driver, data->diag); 4543 usb_driver_release_interface(&btusb_driver, data->intf); 4544 } else if (intf == data->diag) { 4545 if (data->isoc) 4546 usb_driver_release_interface(&btusb_driver, data->isoc); 4547 usb_driver_release_interface(&btusb_driver, data->intf); 4548 } 4549 4550 hci_free_dev(hdev); 4551 kfree(data); 4552 } 4553 4554 static int btusb_suspend(struct usb_interface *intf, pm_message_t message) 4555 { 4556 struct btusb_data *data = usb_get_intfdata(intf); 4557 4558 BT_DBG("intf %p", intf); 4559 4560 /* Don't auto-suspend if there are connections or discovery in 4561 * progress; external suspend calls shall never fail. 4562 */ 4563 if (PMSG_IS_AUTO(message) && 4564 (hci_conn_count(data->hdev) || hci_discovery_active(data->hdev))) 4565 return -EBUSY; 4566 4567 if (data->suspend_count++) 4568 return 0; 4569 4570 spin_lock_irq(&data->txlock); 4571 if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { 4572 set_bit(BTUSB_SUSPENDING, &data->flags); 4573 spin_unlock_irq(&data->txlock); 4574 } else { 4575 spin_unlock_irq(&data->txlock); 4576 data->suspend_count--; 4577 return -EBUSY; 4578 } 4579 4580 cancel_work_sync(&data->work); 4581 4582 if (data->suspend) 4583 data->suspend(data->hdev); 4584 4585 btusb_stop_traffic(data); 4586 usb_kill_anchored_urbs(&data->tx_anchor); 4587 4588 if (data->oob_wake_irq && device_may_wakeup(&data->udev->dev)) { 4589 set_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags); 4590 enable_irq_wake(data->oob_wake_irq); 4591 enable_irq(data->oob_wake_irq); 4592 } 4593 4594 /* For global suspend, Realtek devices lose the loaded fw 4595 * in them. But for autosuspend, firmware should remain. 4596 * Actually, it depends on whether the usb host sends 4597 * set feature (enable wakeup) or not. 4598 */ 4599 if (test_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags)) { 4600 if (PMSG_IS_AUTO(message) && 4601 device_can_wakeup(&data->udev->dev)) 4602 data->udev->do_remote_wakeup = 1; 4603 else if (!PMSG_IS_AUTO(message) && 4604 !device_may_wakeup(&data->udev->dev)) { 4605 data->udev->do_remote_wakeup = 0; 4606 data->udev->reset_resume = 1; 4607 } 4608 } 4609 4610 return 0; 4611 } 4612 4613 static void play_deferred(struct btusb_data *data) 4614 { 4615 struct urb *urb; 4616 int err; 4617 4618 while ((urb = usb_get_from_anchor(&data->deferred))) { 4619 usb_anchor_urb(urb, &data->tx_anchor); 4620 4621 err = usb_submit_urb(urb, GFP_ATOMIC); 4622 if (err < 0) { 4623 if (err != -EPERM && err != -ENODEV) 4624 BT_ERR("%s urb %p submission failed (%d)", 4625 data->hdev->name, urb, -err); 4626 kfree(urb->setup_packet); 4627 usb_unanchor_urb(urb); 4628 usb_free_urb(urb); 4629 break; 4630 } 4631 4632 data->tx_in_flight++; 4633 usb_free_urb(urb); 4634 } 4635 4636 /* Cleanup the rest deferred urbs. */ 4637 while ((urb = usb_get_from_anchor(&data->deferred))) { 4638 kfree(urb->setup_packet); 4639 usb_free_urb(urb); 4640 } 4641 } 4642 4643 static int btusb_resume(struct usb_interface *intf) 4644 { 4645 struct btusb_data *data = usb_get_intfdata(intf); 4646 struct hci_dev *hdev = data->hdev; 4647 int err = 0; 4648 4649 BT_DBG("intf %p", intf); 4650 4651 if (--data->suspend_count) 4652 return 0; 4653 4654 /* Disable only if not already disabled (keep it balanced) */ 4655 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) { 4656 disable_irq(data->oob_wake_irq); 4657 disable_irq_wake(data->oob_wake_irq); 4658 } 4659 4660 if (!test_bit(HCI_RUNNING, &hdev->flags)) 4661 goto done; 4662 4663 if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { 4664 err = btusb_submit_intr_urb(hdev, GFP_NOIO); 4665 if (err < 0) { 4666 clear_bit(BTUSB_INTR_RUNNING, &data->flags); 4667 goto failed; 4668 } 4669 } 4670 4671 if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { 4672 err = btusb_submit_bulk_urb(hdev, GFP_NOIO); 4673 if (err < 0) { 4674 clear_bit(BTUSB_BULK_RUNNING, &data->flags); 4675 goto failed; 4676 } 4677 4678 btusb_submit_bulk_urb(hdev, GFP_NOIO); 4679 } 4680 4681 if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { 4682 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) 4683 clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 4684 else 4685 btusb_submit_isoc_urb(hdev, GFP_NOIO); 4686 } 4687 4688 if (data->resume) 4689 data->resume(hdev); 4690 4691 spin_lock_irq(&data->txlock); 4692 play_deferred(data); 4693 clear_bit(BTUSB_SUSPENDING, &data->flags); 4694 spin_unlock_irq(&data->txlock); 4695 schedule_work(&data->work); 4696 4697 return 0; 4698 4699 failed: 4700 usb_scuttle_anchored_urbs(&data->deferred); 4701 done: 4702 spin_lock_irq(&data->txlock); 4703 clear_bit(BTUSB_SUSPENDING, &data->flags); 4704 spin_unlock_irq(&data->txlock); 4705 4706 return err; 4707 } 4708 4709 #ifdef CONFIG_DEV_COREDUMP 4710 static void btusb_coredump(struct device *dev) 4711 { 4712 struct btusb_data *data = dev_get_drvdata(dev); 4713 struct hci_dev *hdev = data->hdev; 4714 4715 if (hdev->dump.coredump) 4716 hdev->dump.coredump(hdev); 4717 } 4718 #endif 4719 4720 static struct usb_driver btusb_driver = { 4721 .name = "btusb", 4722 .probe = btusb_probe, 4723 .disconnect = btusb_disconnect, 4724 .suspend = pm_ptr(btusb_suspend), 4725 .resume = pm_ptr(btusb_resume), 4726 .id_table = btusb_table, 4727 .supports_autosuspend = 1, 4728 .disable_hub_initiated_lpm = 1, 4729 4730 #ifdef CONFIG_DEV_COREDUMP 4731 .driver = { 4732 .coredump = btusb_coredump, 4733 }, 4734 #endif 4735 }; 4736 4737 module_usb_driver(btusb_driver); 4738 4739 module_param(disable_scofix, bool, 0644); 4740 MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); 4741 4742 module_param(force_scofix, bool, 0644); 4743 MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); 4744 4745 module_param(enable_autosuspend, bool, 0644); 4746 MODULE_PARM_DESC(enable_autosuspend, "Enable USB autosuspend by default"); 4747 4748 module_param(reset, bool, 0644); 4749 MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); 4750 4751 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); 4752 MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); 4753 MODULE_VERSION(VERSION); 4754 MODULE_LICENSE("GPL"); 4755