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