1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * 4 * Generic Bluetooth USB driver 5 * 6 * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> 7 */ 8 9 #include <linux/dmi.h> 10 #include <linux/module.h> 11 #include <linux/usb.h> 12 #include <linux/usb/quirks.h> 13 #include <linux/firmware.h> 14 #include <linux/iopoll.h> 15 #include <linux/of_device.h> 16 #include <linux/of_irq.h> 17 #include <linux/suspend.h> 18 #include <linux/gpio/consumer.h> 19 #include <linux/debugfs.h> 20 #include <linux/unaligned.h> 21 22 #include <net/bluetooth/bluetooth.h> 23 #include <net/bluetooth/hci_core.h> 24 25 #include "btintel.h" 26 #include "btbcm.h" 27 #include "btrtl.h" 28 #include "btmtk.h" 29 30 #define VERSION "0.8" 31 32 static bool disable_scofix; 33 static bool force_scofix; 34 static bool enable_autosuspend = IS_ENABLED(CONFIG_BT_HCIBTUSB_AUTOSUSPEND); 35 static bool enable_poll_sync = IS_ENABLED(CONFIG_BT_HCIBTUSB_POLL_SYNC); 36 static bool reset = true; 37 38 static struct usb_driver btusb_driver; 39 40 #define BTUSB_IGNORE BIT(0) 41 #define BTUSB_DIGIANSWER BIT(1) 42 #define BTUSB_CSR BIT(2) 43 #define BTUSB_SNIFFER BIT(3) 44 #define BTUSB_BCM92035 BIT(4) 45 #define BTUSB_BROKEN_ISOC BIT(5) 46 #define BTUSB_WRONG_SCO_MTU BIT(6) 47 #define BTUSB_ATH3012 BIT(7) 48 #define BTUSB_INTEL_COMBINED BIT(8) 49 #define BTUSB_INTEL_BOOT BIT(9) 50 #define BTUSB_BCM_PATCHRAM BIT(10) 51 #define BTUSB_MARVELL BIT(11) 52 #define BTUSB_SWAVE BIT(12) 53 #define BTUSB_AMP BIT(13) 54 #define BTUSB_QCA_ROME BIT(14) 55 #define BTUSB_BCM_APPLE BIT(15) 56 #define BTUSB_REALTEK BIT(16) 57 #define BTUSB_BCM2045 BIT(17) 58 #define BTUSB_IFNUM_2 BIT(18) 59 #define BTUSB_CW6622 BIT(19) 60 #define BTUSB_MEDIATEK BIT(20) 61 #define BTUSB_WIDEBAND_SPEECH BIT(21) 62 #define BTUSB_INVALID_LE_STATES BIT(22) 63 #define BTUSB_QCA_WCN6855 BIT(23) 64 #define BTUSB_INTEL_BROKEN_SHUTDOWN_LED BIT(24) 65 #define BTUSB_INTEL_BROKEN_INITIAL_NCMD BIT(25) 66 #define BTUSB_INTEL_NO_WBS_SUPPORT BIT(26) 67 #define BTUSB_ACTIONS_SEMI BIT(27) 68 69 static const struct usb_device_id btusb_table[] = { 70 /* Generic Bluetooth USB device */ 71 { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, 72 73 /* Generic Bluetooth AMP device */ 74 { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP }, 75 76 /* Generic Bluetooth USB interface */ 77 { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) }, 78 79 /* Apple-specific (Broadcom) devices */ 80 { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01), 81 .driver_info = BTUSB_BCM_APPLE | BTUSB_IFNUM_2 }, 82 83 /* MediaTek MT76x0E */ 84 { USB_DEVICE(0x0e8d, 0x763f) }, 85 86 /* Broadcom SoftSailing reporting vendor specific */ 87 { USB_DEVICE(0x0a5c, 0x21e1) }, 88 89 /* Apple MacBookPro 7,1 */ 90 { USB_DEVICE(0x05ac, 0x8213) }, 91 92 /* Apple iMac11,1 */ 93 { USB_DEVICE(0x05ac, 0x8215) }, 94 95 /* Apple MacBookPro6,2 */ 96 { USB_DEVICE(0x05ac, 0x8218) }, 97 98 /* Apple MacBookAir3,1, MacBookAir3,2 */ 99 { USB_DEVICE(0x05ac, 0x821b) }, 100 101 /* Apple MacBookAir4,1 */ 102 { USB_DEVICE(0x05ac, 0x821f) }, 103 104 /* Apple MacBookPro8,2 */ 105 { USB_DEVICE(0x05ac, 0x821a) }, 106 107 /* Apple MacMini5,1 */ 108 { USB_DEVICE(0x05ac, 0x8281) }, 109 110 /* AVM BlueFRITZ! USB v2.0 */ 111 { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE }, 112 113 /* Bluetooth Ultraport Module from IBM */ 114 { USB_DEVICE(0x04bf, 0x030a) }, 115 116 /* ALPS Modules with non-standard id */ 117 { USB_DEVICE(0x044e, 0x3001) }, 118 { USB_DEVICE(0x044e, 0x3002) }, 119 120 /* Ericsson with non-standard id */ 121 { USB_DEVICE(0x0bdb, 0x1002) }, 122 123 /* Canyon CN-BTU1 with HID interfaces */ 124 { USB_DEVICE(0x0c10, 0x0000) }, 125 126 /* Broadcom BCM20702B0 (Dynex/Insignia) */ 127 { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM }, 128 129 /* Broadcom BCM43142A0 (Foxconn/Lenovo) */ 130 { USB_VENDOR_AND_INTERFACE_INFO(0x105b, 0xff, 0x01, 0x01), 131 .driver_info = BTUSB_BCM_PATCHRAM }, 132 133 /* Broadcom BCM920703 (HTC Vive) */ 134 { USB_VENDOR_AND_INTERFACE_INFO(0x0bb4, 0xff, 0x01, 0x01), 135 .driver_info = BTUSB_BCM_PATCHRAM }, 136 137 /* Foxconn - Hon Hai */ 138 { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01), 139 .driver_info = BTUSB_BCM_PATCHRAM }, 140 141 /* Lite-On Technology - Broadcom based */ 142 { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01), 143 .driver_info = BTUSB_BCM_PATCHRAM }, 144 145 /* Broadcom devices with vendor specific id */ 146 { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01), 147 .driver_info = BTUSB_BCM_PATCHRAM }, 148 149 /* ASUSTek Computer - Broadcom based */ 150 { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01), 151 .driver_info = BTUSB_BCM_PATCHRAM }, 152 153 /* Belkin F8065bf - Broadcom based */ 154 { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01), 155 .driver_info = BTUSB_BCM_PATCHRAM }, 156 157 /* IMC Networks - Broadcom based */ 158 { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01), 159 .driver_info = BTUSB_BCM_PATCHRAM }, 160 161 /* Dell Computer - Broadcom based */ 162 { USB_VENDOR_AND_INTERFACE_INFO(0x413c, 0xff, 0x01, 0x01), 163 .driver_info = BTUSB_BCM_PATCHRAM }, 164 165 /* Toshiba Corp - Broadcom based */ 166 { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01), 167 .driver_info = BTUSB_BCM_PATCHRAM }, 168 169 /* Intel Bluetooth USB Bootloader (RAM module) */ 170 { USB_DEVICE(0x8087, 0x0a5a), 171 .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC }, 172 173 { } /* Terminating entry */ 174 }; 175 176 MODULE_DEVICE_TABLE(usb, btusb_table); 177 178 static const struct usb_device_id quirks_table[] = { 179 /* CSR BlueCore devices */ 180 { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, 181 182 /* Broadcom BCM2033 without firmware */ 183 { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, 184 185 /* Broadcom BCM2045 devices */ 186 { USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 }, 187 188 /* Atheros 3011 with sflash firmware */ 189 { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, 190 { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, 191 { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE }, 192 { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, 193 { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, 194 { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, 195 { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, 196 197 /* Atheros AR9285 Malbec with sflash firmware */ 198 { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, 199 200 /* Atheros 3012 with sflash firmware */ 201 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, 202 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, 203 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, 204 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, 205 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, 206 { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 }, 207 { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, 208 { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 }, 209 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, 210 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, 211 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, 212 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, 213 { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, 214 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, 215 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, 216 { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 }, 217 { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 }, 218 { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 }, 219 { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 }, 220 { USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 }, 221 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, 222 { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 }, 223 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, 224 { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, 225 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, 226 { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, 227 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, 228 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, 229 { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, 230 { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, 231 { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, 232 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, 233 { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, 234 { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 }, 235 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, 236 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, 237 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, 238 { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 }, 239 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, 240 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, 241 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, 242 { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 }, 243 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, 244 { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 }, 245 { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 }, 246 { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, 247 { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 }, 248 { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 }, 249 { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 }, 250 { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 }, 251 252 /* Atheros AR5BBU12 with sflash firmware */ 253 { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, 254 255 /* Atheros AR5BBU12 with sflash firmware */ 256 { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, 257 { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, 258 259 /* QCA ROME chipset */ 260 { USB_DEVICE(0x0cf3, 0x535b), .driver_info = BTUSB_QCA_ROME | 261 BTUSB_WIDEBAND_SPEECH }, 262 { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME | 263 BTUSB_WIDEBAND_SPEECH }, 264 { USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME | 265 BTUSB_WIDEBAND_SPEECH }, 266 { USB_DEVICE(0x0cf3, 0xe010), .driver_info = BTUSB_QCA_ROME | 267 BTUSB_WIDEBAND_SPEECH }, 268 { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME | 269 BTUSB_WIDEBAND_SPEECH }, 270 { USB_DEVICE(0x0cf3, 0xe301), .driver_info = BTUSB_QCA_ROME | 271 BTUSB_WIDEBAND_SPEECH }, 272 { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME | 273 BTUSB_WIDEBAND_SPEECH }, 274 { USB_DEVICE(0x0cf3, 0xe500), .driver_info = BTUSB_QCA_ROME | 275 BTUSB_WIDEBAND_SPEECH }, 276 { USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME | 277 BTUSB_WIDEBAND_SPEECH }, 278 { USB_DEVICE(0x0489, 0xe09f), .driver_info = BTUSB_QCA_ROME | 279 BTUSB_WIDEBAND_SPEECH }, 280 { USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME | 281 BTUSB_WIDEBAND_SPEECH }, 282 { USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME | 283 BTUSB_WIDEBAND_SPEECH }, 284 { USB_DEVICE(0x04ca, 0x3015), .driver_info = BTUSB_QCA_ROME | 285 BTUSB_WIDEBAND_SPEECH }, 286 { USB_DEVICE(0x04ca, 0x3016), .driver_info = BTUSB_QCA_ROME | 287 BTUSB_WIDEBAND_SPEECH }, 288 { USB_DEVICE(0x04ca, 0x301a), .driver_info = BTUSB_QCA_ROME | 289 BTUSB_WIDEBAND_SPEECH }, 290 { USB_DEVICE(0x04ca, 0x3021), .driver_info = BTUSB_QCA_ROME | 291 BTUSB_WIDEBAND_SPEECH }, 292 { USB_DEVICE(0x13d3, 0x3491), .driver_info = BTUSB_QCA_ROME | 293 BTUSB_WIDEBAND_SPEECH }, 294 { USB_DEVICE(0x13d3, 0x3496), .driver_info = BTUSB_QCA_ROME | 295 BTUSB_WIDEBAND_SPEECH }, 296 { USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME | 297 BTUSB_WIDEBAND_SPEECH }, 298 299 /* QCA WCN6855 chipset */ 300 { USB_DEVICE(0x0cf3, 0xe600), .driver_info = BTUSB_QCA_WCN6855 | 301 BTUSB_WIDEBAND_SPEECH }, 302 { USB_DEVICE(0x0489, 0xe0cc), .driver_info = BTUSB_QCA_WCN6855 | 303 BTUSB_WIDEBAND_SPEECH }, 304 { USB_DEVICE(0x0489, 0xe0d6), .driver_info = BTUSB_QCA_WCN6855 | 305 BTUSB_WIDEBAND_SPEECH }, 306 { USB_DEVICE(0x0489, 0xe0e3), .driver_info = BTUSB_QCA_WCN6855 | 307 BTUSB_WIDEBAND_SPEECH }, 308 { USB_DEVICE(0x10ab, 0x9309), .driver_info = BTUSB_QCA_WCN6855 | 309 BTUSB_WIDEBAND_SPEECH }, 310 { USB_DEVICE(0x10ab, 0x9409), .driver_info = BTUSB_QCA_WCN6855 | 311 BTUSB_WIDEBAND_SPEECH }, 312 { USB_DEVICE(0x0489, 0xe0d0), .driver_info = BTUSB_QCA_WCN6855 | 313 BTUSB_WIDEBAND_SPEECH }, 314 { USB_DEVICE(0x10ab, 0x9108), .driver_info = BTUSB_QCA_WCN6855 | 315 BTUSB_WIDEBAND_SPEECH }, 316 { USB_DEVICE(0x10ab, 0x9109), .driver_info = BTUSB_QCA_WCN6855 | 317 BTUSB_WIDEBAND_SPEECH }, 318 { USB_DEVICE(0x10ab, 0x9208), .driver_info = BTUSB_QCA_WCN6855 | 319 BTUSB_WIDEBAND_SPEECH }, 320 { USB_DEVICE(0x10ab, 0x9209), .driver_info = BTUSB_QCA_WCN6855 | 321 BTUSB_WIDEBAND_SPEECH }, 322 { USB_DEVICE(0x10ab, 0x9308), .driver_info = BTUSB_QCA_WCN6855 | 323 BTUSB_WIDEBAND_SPEECH }, 324 { USB_DEVICE(0x10ab, 0x9408), .driver_info = BTUSB_QCA_WCN6855 | 325 BTUSB_WIDEBAND_SPEECH }, 326 { USB_DEVICE(0x10ab, 0x9508), .driver_info = BTUSB_QCA_WCN6855 | 327 BTUSB_WIDEBAND_SPEECH }, 328 { USB_DEVICE(0x10ab, 0x9509), .driver_info = BTUSB_QCA_WCN6855 | 329 BTUSB_WIDEBAND_SPEECH }, 330 { USB_DEVICE(0x10ab, 0x9608), .driver_info = BTUSB_QCA_WCN6855 | 331 BTUSB_WIDEBAND_SPEECH }, 332 { USB_DEVICE(0x10ab, 0x9609), .driver_info = BTUSB_QCA_WCN6855 | 333 BTUSB_WIDEBAND_SPEECH }, 334 { USB_DEVICE(0x10ab, 0x9f09), .driver_info = BTUSB_QCA_WCN6855 | 335 BTUSB_WIDEBAND_SPEECH }, 336 { USB_DEVICE(0x04ca, 0x3022), .driver_info = BTUSB_QCA_WCN6855 | 337 BTUSB_WIDEBAND_SPEECH }, 338 { USB_DEVICE(0x0489, 0xe0c7), .driver_info = BTUSB_QCA_WCN6855 | 339 BTUSB_WIDEBAND_SPEECH }, 340 { USB_DEVICE(0x0489, 0xe0c9), .driver_info = BTUSB_QCA_WCN6855 | 341 BTUSB_WIDEBAND_SPEECH }, 342 { USB_DEVICE(0x0489, 0xe0ca), .driver_info = BTUSB_QCA_WCN6855 | 343 BTUSB_WIDEBAND_SPEECH }, 344 { USB_DEVICE(0x0489, 0xe0cb), .driver_info = BTUSB_QCA_WCN6855 | 345 BTUSB_WIDEBAND_SPEECH }, 346 { USB_DEVICE(0x0489, 0xe0ce), .driver_info = BTUSB_QCA_WCN6855 | 347 BTUSB_WIDEBAND_SPEECH }, 348 { USB_DEVICE(0x0489, 0xe0de), .driver_info = BTUSB_QCA_WCN6855 | 349 BTUSB_WIDEBAND_SPEECH }, 350 { USB_DEVICE(0x0489, 0xe0df), .driver_info = BTUSB_QCA_WCN6855 | 351 BTUSB_WIDEBAND_SPEECH }, 352 { USB_DEVICE(0x0489, 0xe0e1), .driver_info = BTUSB_QCA_WCN6855 | 353 BTUSB_WIDEBAND_SPEECH }, 354 { USB_DEVICE(0x0489, 0xe0ea), .driver_info = BTUSB_QCA_WCN6855 | 355 BTUSB_WIDEBAND_SPEECH }, 356 { USB_DEVICE(0x0489, 0xe0ec), .driver_info = BTUSB_QCA_WCN6855 | 357 BTUSB_WIDEBAND_SPEECH }, 358 { USB_DEVICE(0x04ca, 0x3023), .driver_info = BTUSB_QCA_WCN6855 | 359 BTUSB_WIDEBAND_SPEECH }, 360 { USB_DEVICE(0x04ca, 0x3024), .driver_info = BTUSB_QCA_WCN6855 | 361 BTUSB_WIDEBAND_SPEECH }, 362 { USB_DEVICE(0x04ca, 0x3a22), .driver_info = BTUSB_QCA_WCN6855 | 363 BTUSB_WIDEBAND_SPEECH }, 364 { USB_DEVICE(0x04ca, 0x3a24), .driver_info = BTUSB_QCA_WCN6855 | 365 BTUSB_WIDEBAND_SPEECH }, 366 { USB_DEVICE(0x04ca, 0x3a26), .driver_info = BTUSB_QCA_WCN6855 | 367 BTUSB_WIDEBAND_SPEECH }, 368 { USB_DEVICE(0x04ca, 0x3a27), .driver_info = BTUSB_QCA_WCN6855 | 369 BTUSB_WIDEBAND_SPEECH }, 370 371 /* QCA WCN785x chipset */ 372 { USB_DEVICE(0x0cf3, 0xe700), .driver_info = BTUSB_QCA_WCN6855 | 373 BTUSB_WIDEBAND_SPEECH }, 374 { USB_DEVICE(0x0489, 0xe0fc), .driver_info = BTUSB_QCA_WCN6855 | 375 BTUSB_WIDEBAND_SPEECH }, 376 { USB_DEVICE(0x0489, 0xe0f3), .driver_info = BTUSB_QCA_WCN6855 | 377 BTUSB_WIDEBAND_SPEECH }, 378 { USB_DEVICE(0x13d3, 0x3623), .driver_info = BTUSB_QCA_WCN6855 | 379 BTUSB_WIDEBAND_SPEECH }, 380 { USB_DEVICE(0x2c7c, 0x0130), .driver_info = BTUSB_QCA_WCN6855 | 381 BTUSB_WIDEBAND_SPEECH }, 382 383 /* Broadcom BCM2035 */ 384 { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, 385 { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, 386 { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, 387 388 /* Broadcom BCM2045 */ 389 { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, 390 { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, 391 392 /* IBM/Lenovo ThinkPad with Broadcom chip */ 393 { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, 394 { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, 395 396 /* HP laptop with Broadcom chip */ 397 { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, 398 399 /* Dell laptop with Broadcom chip */ 400 { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, 401 402 /* Dell Wireless 370 and 410 devices */ 403 { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, 404 { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, 405 406 /* Belkin F8T012 and F8T013 devices */ 407 { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, 408 { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, 409 410 /* Asus WL-BTD202 device */ 411 { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, 412 413 /* Kensington Bluetooth USB adapter */ 414 { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, 415 416 /* RTX Telecom based adapters with buggy SCO support */ 417 { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, 418 { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, 419 420 /* CONWISE Technology based adapters with buggy SCO support */ 421 { USB_DEVICE(0x0e5e, 0x6622), 422 .driver_info = BTUSB_BROKEN_ISOC | BTUSB_CW6622}, 423 424 /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */ 425 { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE }, 426 427 /* Digianswer devices */ 428 { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, 429 { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, 430 431 /* CSR BlueCore Bluetooth Sniffer */ 432 { USB_DEVICE(0x0a12, 0x0002), 433 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, 434 435 /* Frontline ComProbe Bluetooth Sniffer */ 436 { USB_DEVICE(0x16d3, 0x0002), 437 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, 438 439 /* Marvell Bluetooth devices */ 440 { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL }, 441 { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL }, 442 { USB_DEVICE(0x1286, 0x204e), .driver_info = BTUSB_MARVELL }, 443 444 /* Intel Bluetooth devices */ 445 { USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_COMBINED }, 446 { USB_DEVICE(0x8087, 0x0026), .driver_info = BTUSB_INTEL_COMBINED }, 447 { USB_DEVICE(0x8087, 0x0029), .driver_info = BTUSB_INTEL_COMBINED }, 448 { USB_DEVICE(0x8087, 0x0032), .driver_info = BTUSB_INTEL_COMBINED }, 449 { USB_DEVICE(0x8087, 0x0033), .driver_info = BTUSB_INTEL_COMBINED }, 450 { USB_DEVICE(0x8087, 0x0035), .driver_info = BTUSB_INTEL_COMBINED }, 451 { USB_DEVICE(0x8087, 0x0036), .driver_info = BTUSB_INTEL_COMBINED }, 452 { USB_DEVICE(0x8087, 0x0037), .driver_info = BTUSB_INTEL_COMBINED }, 453 { USB_DEVICE(0x8087, 0x0038), .driver_info = BTUSB_INTEL_COMBINED }, 454 { USB_DEVICE(0x8087, 0x0039), .driver_info = BTUSB_INTEL_COMBINED }, 455 { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR }, 456 { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL_COMBINED | 457 BTUSB_INTEL_NO_WBS_SUPPORT | 458 BTUSB_INTEL_BROKEN_INITIAL_NCMD | 459 BTUSB_INTEL_BROKEN_SHUTDOWN_LED }, 460 { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL_COMBINED | 461 BTUSB_INTEL_NO_WBS_SUPPORT | 462 BTUSB_INTEL_BROKEN_SHUTDOWN_LED }, 463 { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_COMBINED }, 464 { USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL_COMBINED | 465 BTUSB_INTEL_BROKEN_SHUTDOWN_LED }, 466 { USB_DEVICE(0x8087, 0x0aaa), .driver_info = BTUSB_INTEL_COMBINED }, 467 468 /* Other Intel Bluetooth devices */ 469 { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01), 470 .driver_info = BTUSB_IGNORE }, 471 472 /* Realtek 8821CE Bluetooth devices */ 473 { USB_DEVICE(0x13d3, 0x3529), .driver_info = BTUSB_REALTEK | 474 BTUSB_WIDEBAND_SPEECH }, 475 476 /* Realtek 8822CE Bluetooth devices */ 477 { USB_DEVICE(0x0bda, 0xb00c), .driver_info = BTUSB_REALTEK | 478 BTUSB_WIDEBAND_SPEECH }, 479 { USB_DEVICE(0x0bda, 0xc822), .driver_info = BTUSB_REALTEK | 480 BTUSB_WIDEBAND_SPEECH }, 481 482 /* Realtek 8822CU Bluetooth devices */ 483 { USB_DEVICE(0x13d3, 0x3549), .driver_info = BTUSB_REALTEK | 484 BTUSB_WIDEBAND_SPEECH }, 485 486 /* Realtek 8851BE Bluetooth devices */ 487 { USB_DEVICE(0x13d3, 0x3600), .driver_info = BTUSB_REALTEK }, 488 489 /* Realtek 8852AE Bluetooth devices */ 490 { USB_DEVICE(0x0bda, 0x2852), .driver_info = BTUSB_REALTEK | 491 BTUSB_WIDEBAND_SPEECH }, 492 { USB_DEVICE(0x0bda, 0xc852), .driver_info = BTUSB_REALTEK | 493 BTUSB_WIDEBAND_SPEECH }, 494 { USB_DEVICE(0x0bda, 0x385a), .driver_info = BTUSB_REALTEK | 495 BTUSB_WIDEBAND_SPEECH }, 496 { USB_DEVICE(0x0bda, 0x4852), .driver_info = BTUSB_REALTEK | 497 BTUSB_WIDEBAND_SPEECH }, 498 { USB_DEVICE(0x04c5, 0x165c), .driver_info = BTUSB_REALTEK | 499 BTUSB_WIDEBAND_SPEECH }, 500 { USB_DEVICE(0x04ca, 0x4006), .driver_info = BTUSB_REALTEK | 501 BTUSB_WIDEBAND_SPEECH }, 502 { USB_DEVICE(0x0cb8, 0xc549), .driver_info = BTUSB_REALTEK | 503 BTUSB_WIDEBAND_SPEECH }, 504 505 /* Realtek 8852CE Bluetooth devices */ 506 { USB_DEVICE(0x04ca, 0x4007), .driver_info = BTUSB_REALTEK | 507 BTUSB_WIDEBAND_SPEECH }, 508 { USB_DEVICE(0x04c5, 0x1675), .driver_info = BTUSB_REALTEK | 509 BTUSB_WIDEBAND_SPEECH }, 510 { USB_DEVICE(0x0cb8, 0xc558), .driver_info = BTUSB_REALTEK | 511 BTUSB_WIDEBAND_SPEECH }, 512 { USB_DEVICE(0x13d3, 0x3587), .driver_info = BTUSB_REALTEK | 513 BTUSB_WIDEBAND_SPEECH }, 514 { USB_DEVICE(0x13d3, 0x3586), .driver_info = BTUSB_REALTEK | 515 BTUSB_WIDEBAND_SPEECH }, 516 { USB_DEVICE(0x13d3, 0x3592), .driver_info = BTUSB_REALTEK | 517 BTUSB_WIDEBAND_SPEECH }, 518 { USB_DEVICE(0x0489, 0xe122), .driver_info = BTUSB_REALTEK | 519 BTUSB_WIDEBAND_SPEECH }, 520 521 /* Realtek 8852BE Bluetooth devices */ 522 { USB_DEVICE(0x0cb8, 0xc559), .driver_info = BTUSB_REALTEK | 523 BTUSB_WIDEBAND_SPEECH }, 524 { USB_DEVICE(0x0bda, 0x4853), .driver_info = BTUSB_REALTEK | 525 BTUSB_WIDEBAND_SPEECH }, 526 { USB_DEVICE(0x0bda, 0x887b), .driver_info = BTUSB_REALTEK | 527 BTUSB_WIDEBAND_SPEECH }, 528 { USB_DEVICE(0x0bda, 0xb85b), .driver_info = BTUSB_REALTEK | 529 BTUSB_WIDEBAND_SPEECH }, 530 { USB_DEVICE(0x13d3, 0x3570), .driver_info = BTUSB_REALTEK | 531 BTUSB_WIDEBAND_SPEECH }, 532 { USB_DEVICE(0x13d3, 0x3571), .driver_info = BTUSB_REALTEK | 533 BTUSB_WIDEBAND_SPEECH }, 534 { USB_DEVICE(0x13d3, 0x3572), .driver_info = BTUSB_REALTEK | 535 BTUSB_WIDEBAND_SPEECH }, 536 { USB_DEVICE(0x13d3, 0x3591), .driver_info = BTUSB_REALTEK | 537 BTUSB_WIDEBAND_SPEECH }, 538 { USB_DEVICE(0x0489, 0xe123), .driver_info = BTUSB_REALTEK | 539 BTUSB_WIDEBAND_SPEECH }, 540 { USB_DEVICE(0x0489, 0xe125), .driver_info = BTUSB_REALTEK | 541 BTUSB_WIDEBAND_SPEECH }, 542 543 /* Realtek 8852BT/8852BE-VT Bluetooth devices */ 544 { USB_DEVICE(0x0bda, 0x8520), .driver_info = BTUSB_REALTEK | 545 BTUSB_WIDEBAND_SPEECH }, 546 547 /* Realtek 8922AE Bluetooth devices */ 548 { USB_DEVICE(0x0bda, 0x8922), .driver_info = BTUSB_REALTEK | 549 BTUSB_WIDEBAND_SPEECH }, 550 { USB_DEVICE(0x13d3, 0x3617), .driver_info = BTUSB_REALTEK | 551 BTUSB_WIDEBAND_SPEECH }, 552 { USB_DEVICE(0x13d3, 0x3616), .driver_info = BTUSB_REALTEK | 553 BTUSB_WIDEBAND_SPEECH }, 554 { USB_DEVICE(0x0489, 0xe130), .driver_info = BTUSB_REALTEK | 555 BTUSB_WIDEBAND_SPEECH }, 556 557 /* Realtek Bluetooth devices */ 558 { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01), 559 .driver_info = BTUSB_REALTEK }, 560 561 /* MediaTek Bluetooth devices */ 562 { USB_VENDOR_AND_INTERFACE_INFO(0x0e8d, 0xe0, 0x01, 0x01), 563 .driver_info = BTUSB_MEDIATEK | 564 BTUSB_WIDEBAND_SPEECH }, 565 566 /* Additional MediaTek MT7615E Bluetooth devices */ 567 { USB_DEVICE(0x13d3, 0x3560), .driver_info = BTUSB_MEDIATEK}, 568 569 /* Additional MediaTek MT7663 Bluetooth devices */ 570 { USB_DEVICE(0x043e, 0x310c), .driver_info = BTUSB_MEDIATEK | 571 BTUSB_WIDEBAND_SPEECH }, 572 { USB_DEVICE(0x04ca, 0x3801), .driver_info = BTUSB_MEDIATEK | 573 BTUSB_WIDEBAND_SPEECH }, 574 575 /* Additional MediaTek MT7668 Bluetooth devices */ 576 { USB_DEVICE(0x043e, 0x3109), .driver_info = BTUSB_MEDIATEK | 577 BTUSB_WIDEBAND_SPEECH }, 578 579 /* Additional MediaTek MT7920 Bluetooth devices */ 580 { USB_DEVICE(0x0489, 0xe134), .driver_info = BTUSB_MEDIATEK | 581 BTUSB_WIDEBAND_SPEECH }, 582 { USB_DEVICE(0x13d3, 0x3620), .driver_info = BTUSB_MEDIATEK | 583 BTUSB_WIDEBAND_SPEECH }, 584 { USB_DEVICE(0x13d3, 0x3621), .driver_info = BTUSB_MEDIATEK | 585 BTUSB_WIDEBAND_SPEECH }, 586 { USB_DEVICE(0x13d3, 0x3622), .driver_info = BTUSB_MEDIATEK | 587 BTUSB_WIDEBAND_SPEECH }, 588 589 /* Additional MediaTek MT7921 Bluetooth devices */ 590 { USB_DEVICE(0x0489, 0xe0c8), .driver_info = BTUSB_MEDIATEK | 591 BTUSB_WIDEBAND_SPEECH }, 592 { USB_DEVICE(0x0489, 0xe0cd), .driver_info = BTUSB_MEDIATEK | 593 BTUSB_WIDEBAND_SPEECH }, 594 { USB_DEVICE(0x0489, 0xe0e0), .driver_info = BTUSB_MEDIATEK | 595 BTUSB_WIDEBAND_SPEECH }, 596 { USB_DEVICE(0x0489, 0xe0f2), .driver_info = BTUSB_MEDIATEK | 597 BTUSB_WIDEBAND_SPEECH }, 598 { USB_DEVICE(0x04ca, 0x3802), .driver_info = BTUSB_MEDIATEK | 599 BTUSB_WIDEBAND_SPEECH }, 600 { USB_DEVICE(0x0e8d, 0x0608), .driver_info = BTUSB_MEDIATEK | 601 BTUSB_WIDEBAND_SPEECH }, 602 { USB_DEVICE(0x13d3, 0x3563), .driver_info = BTUSB_MEDIATEK | 603 BTUSB_WIDEBAND_SPEECH }, 604 { USB_DEVICE(0x13d3, 0x3564), .driver_info = BTUSB_MEDIATEK | 605 BTUSB_WIDEBAND_SPEECH }, 606 { USB_DEVICE(0x13d3, 0x3567), .driver_info = BTUSB_MEDIATEK | 607 BTUSB_WIDEBAND_SPEECH }, 608 { USB_DEVICE(0x13d3, 0x3576), .driver_info = BTUSB_MEDIATEK | 609 BTUSB_WIDEBAND_SPEECH }, 610 { USB_DEVICE(0x13d3, 0x3578), .driver_info = BTUSB_MEDIATEK | 611 BTUSB_WIDEBAND_SPEECH }, 612 { USB_DEVICE(0x13d3, 0x3583), .driver_info = BTUSB_MEDIATEK | 613 BTUSB_WIDEBAND_SPEECH }, 614 { USB_DEVICE(0x13d3, 0x3606), .driver_info = BTUSB_MEDIATEK | 615 BTUSB_WIDEBAND_SPEECH }, 616 617 /* MediaTek MT7922 Bluetooth devices */ 618 { USB_DEVICE(0x13d3, 0x3585), .driver_info = BTUSB_MEDIATEK | 619 BTUSB_WIDEBAND_SPEECH }, 620 { USB_DEVICE(0x13d3, 0x3610), .driver_info = BTUSB_MEDIATEK | 621 BTUSB_WIDEBAND_SPEECH }, 622 623 /* MediaTek MT7922A Bluetooth devices */ 624 { USB_DEVICE(0x0489, 0xe0d8), .driver_info = BTUSB_MEDIATEK | 625 BTUSB_WIDEBAND_SPEECH }, 626 { USB_DEVICE(0x0489, 0xe0d9), .driver_info = BTUSB_MEDIATEK | 627 BTUSB_WIDEBAND_SPEECH }, 628 { USB_DEVICE(0x0489, 0xe0e2), .driver_info = BTUSB_MEDIATEK | 629 BTUSB_WIDEBAND_SPEECH }, 630 { USB_DEVICE(0x0489, 0xe0e4), .driver_info = BTUSB_MEDIATEK | 631 BTUSB_WIDEBAND_SPEECH }, 632 { USB_DEVICE(0x0489, 0xe0f1), .driver_info = BTUSB_MEDIATEK | 633 BTUSB_WIDEBAND_SPEECH }, 634 { USB_DEVICE(0x0489, 0xe0f2), .driver_info = BTUSB_MEDIATEK | 635 BTUSB_WIDEBAND_SPEECH }, 636 { USB_DEVICE(0x0489, 0xe0f5), .driver_info = BTUSB_MEDIATEK | 637 BTUSB_WIDEBAND_SPEECH }, 638 { USB_DEVICE(0x0489, 0xe0f6), .driver_info = BTUSB_MEDIATEK | 639 BTUSB_WIDEBAND_SPEECH }, 640 { USB_DEVICE(0x0489, 0xe102), .driver_info = BTUSB_MEDIATEK | 641 BTUSB_WIDEBAND_SPEECH }, 642 { USB_DEVICE(0x04ca, 0x3804), .driver_info = BTUSB_MEDIATEK | 643 BTUSB_WIDEBAND_SPEECH }, 644 { USB_DEVICE(0x04ca, 0x38e4), .driver_info = BTUSB_MEDIATEK | 645 BTUSB_WIDEBAND_SPEECH }, 646 { USB_DEVICE(0x13d3, 0x3568), .driver_info = BTUSB_MEDIATEK | 647 BTUSB_WIDEBAND_SPEECH }, 648 { USB_DEVICE(0x13d3, 0x3605), .driver_info = BTUSB_MEDIATEK | 649 BTUSB_WIDEBAND_SPEECH }, 650 { USB_DEVICE(0x13d3, 0x3607), .driver_info = BTUSB_MEDIATEK | 651 BTUSB_WIDEBAND_SPEECH }, 652 { USB_DEVICE(0x13d3, 0x3614), .driver_info = BTUSB_MEDIATEK | 653 BTUSB_WIDEBAND_SPEECH }, 654 { USB_DEVICE(0x13d3, 0x3615), .driver_info = BTUSB_MEDIATEK | 655 BTUSB_WIDEBAND_SPEECH }, 656 { USB_DEVICE(0x35f5, 0x7922), .driver_info = BTUSB_MEDIATEK | 657 BTUSB_WIDEBAND_SPEECH }, 658 659 /* Additional MediaTek MT7925 Bluetooth devices */ 660 { USB_DEVICE(0x0489, 0xe111), .driver_info = BTUSB_MEDIATEK | 661 BTUSB_WIDEBAND_SPEECH }, 662 { USB_DEVICE(0x0489, 0xe113), .driver_info = BTUSB_MEDIATEK | 663 BTUSB_WIDEBAND_SPEECH }, 664 { USB_DEVICE(0x0489, 0xe118), .driver_info = BTUSB_MEDIATEK | 665 BTUSB_WIDEBAND_SPEECH }, 666 { USB_DEVICE(0x0489, 0xe11e), .driver_info = BTUSB_MEDIATEK | 667 BTUSB_WIDEBAND_SPEECH }, 668 { USB_DEVICE(0x0489, 0xe124), .driver_info = BTUSB_MEDIATEK | 669 BTUSB_WIDEBAND_SPEECH }, 670 { USB_DEVICE(0x0489, 0xe139), .driver_info = BTUSB_MEDIATEK | 671 BTUSB_WIDEBAND_SPEECH }, 672 { USB_DEVICE(0x0489, 0xe14f), .driver_info = BTUSB_MEDIATEK | 673 BTUSB_WIDEBAND_SPEECH }, 674 { USB_DEVICE(0x0489, 0xe150), .driver_info = BTUSB_MEDIATEK | 675 BTUSB_WIDEBAND_SPEECH }, 676 { USB_DEVICE(0x0489, 0xe151), .driver_info = BTUSB_MEDIATEK | 677 BTUSB_WIDEBAND_SPEECH }, 678 { USB_DEVICE(0x13d3, 0x3602), .driver_info = BTUSB_MEDIATEK | 679 BTUSB_WIDEBAND_SPEECH }, 680 { USB_DEVICE(0x13d3, 0x3603), .driver_info = BTUSB_MEDIATEK | 681 BTUSB_WIDEBAND_SPEECH }, 682 { USB_DEVICE(0x13d3, 0x3604), .driver_info = BTUSB_MEDIATEK | 683 BTUSB_WIDEBAND_SPEECH }, 684 { USB_DEVICE(0x13d3, 0x3608), .driver_info = BTUSB_MEDIATEK | 685 BTUSB_WIDEBAND_SPEECH }, 686 { USB_DEVICE(0x13d3, 0x3628), .driver_info = BTUSB_MEDIATEK | 687 BTUSB_WIDEBAND_SPEECH }, 688 689 /* Additional Realtek 8723AE Bluetooth devices */ 690 { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK }, 691 { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK }, 692 693 /* Additional Realtek 8723BE Bluetooth devices */ 694 { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK }, 695 { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK }, 696 { USB_DEVICE(0x04f2, 0xb49f), .driver_info = BTUSB_REALTEK }, 697 { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK }, 698 { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK }, 699 { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK }, 700 { USB_DEVICE(0x13d3, 0x3494), .driver_info = BTUSB_REALTEK }, 701 702 /* Additional Realtek 8723BU Bluetooth devices */ 703 { USB_DEVICE(0x7392, 0xa611), .driver_info = BTUSB_REALTEK }, 704 705 /* Additional Realtek 8723DE Bluetooth devices */ 706 { USB_DEVICE(0x0bda, 0xb009), .driver_info = BTUSB_REALTEK }, 707 { USB_DEVICE(0x2ff8, 0xb011), .driver_info = BTUSB_REALTEK }, 708 709 /* Additional Realtek 8761BUV Bluetooth devices */ 710 { USB_DEVICE(0x2357, 0x0604), .driver_info = BTUSB_REALTEK | 711 BTUSB_WIDEBAND_SPEECH }, 712 { USB_DEVICE(0x0b05, 0x190e), .driver_info = BTUSB_REALTEK | 713 BTUSB_WIDEBAND_SPEECH }, 714 { USB_DEVICE(0x2550, 0x8761), .driver_info = BTUSB_REALTEK | 715 BTUSB_WIDEBAND_SPEECH }, 716 { USB_DEVICE(0x0bda, 0x8771), .driver_info = BTUSB_REALTEK | 717 BTUSB_WIDEBAND_SPEECH }, 718 { USB_DEVICE(0x6655, 0x8771), .driver_info = BTUSB_REALTEK | 719 BTUSB_WIDEBAND_SPEECH }, 720 { USB_DEVICE(0x7392, 0xc611), .driver_info = BTUSB_REALTEK | 721 BTUSB_WIDEBAND_SPEECH }, 722 { USB_DEVICE(0x2b89, 0x8761), .driver_info = BTUSB_REALTEK | 723 BTUSB_WIDEBAND_SPEECH }, 724 725 /* Additional Realtek 8821AE Bluetooth devices */ 726 { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK }, 727 { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK }, 728 { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK }, 729 { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK }, 730 { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK }, 731 732 /* Additional Realtek 8822BE Bluetooth devices */ 733 { USB_DEVICE(0x13d3, 0x3526), .driver_info = BTUSB_REALTEK }, 734 { USB_DEVICE(0x0b05, 0x185c), .driver_info = BTUSB_REALTEK }, 735 736 /* Additional Realtek 8822CE Bluetooth devices */ 737 { USB_DEVICE(0x04ca, 0x4005), .driver_info = BTUSB_REALTEK | 738 BTUSB_WIDEBAND_SPEECH }, 739 { USB_DEVICE(0x04c5, 0x161f), .driver_info = BTUSB_REALTEK | 740 BTUSB_WIDEBAND_SPEECH }, 741 { USB_DEVICE(0x0b05, 0x18ef), .driver_info = BTUSB_REALTEK | 742 BTUSB_WIDEBAND_SPEECH }, 743 { USB_DEVICE(0x13d3, 0x3548), .driver_info = BTUSB_REALTEK | 744 BTUSB_WIDEBAND_SPEECH }, 745 { USB_DEVICE(0x13d3, 0x3549), .driver_info = BTUSB_REALTEK | 746 BTUSB_WIDEBAND_SPEECH }, 747 { USB_DEVICE(0x13d3, 0x3553), .driver_info = BTUSB_REALTEK | 748 BTUSB_WIDEBAND_SPEECH }, 749 { USB_DEVICE(0x13d3, 0x3555), .driver_info = BTUSB_REALTEK | 750 BTUSB_WIDEBAND_SPEECH }, 751 { USB_DEVICE(0x2ff8, 0x3051), .driver_info = BTUSB_REALTEK | 752 BTUSB_WIDEBAND_SPEECH }, 753 { USB_DEVICE(0x1358, 0xc123), .driver_info = BTUSB_REALTEK | 754 BTUSB_WIDEBAND_SPEECH }, 755 { USB_DEVICE(0x0bda, 0xc123), .driver_info = BTUSB_REALTEK | 756 BTUSB_WIDEBAND_SPEECH }, 757 { USB_DEVICE(0x0cb5, 0xc547), .driver_info = BTUSB_REALTEK | 758 BTUSB_WIDEBAND_SPEECH }, 759 760 /* Actions Semiconductor ATS2851 based devices */ 761 { USB_DEVICE(0x10d7, 0xb012), .driver_info = BTUSB_ACTIONS_SEMI }, 762 763 /* Silicon Wave based devices */ 764 { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE }, 765 766 { } /* Terminating entry */ 767 }; 768 769 /* The Bluetooth USB module build into some devices needs to be reset on resume, 770 * this is a problem with the platform (likely shutting off all power) not with 771 * the module itself. So we use a DMI list to match known broken platforms. 772 */ 773 static const struct dmi_system_id btusb_needs_reset_resume_table[] = { 774 { 775 /* Dell OptiPlex 3060 (QCA ROME device 0cf3:e007) */ 776 .matches = { 777 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 778 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 3060"), 779 }, 780 }, 781 { 782 /* Dell XPS 9360 (QCA ROME device 0cf3:e300) */ 783 .matches = { 784 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 785 DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9360"), 786 }, 787 }, 788 { 789 /* Dell Inspiron 5565 (QCA ROME device 0cf3:e009) */ 790 .matches = { 791 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), 792 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5565"), 793 }, 794 }, 795 {} 796 }; 797 798 struct qca_dump_info { 799 /* fields for dump collection */ 800 u16 id_vendor; 801 u16 id_product; 802 u32 fw_version; 803 u32 controller_id; 804 u32 ram_dump_size; 805 u16 ram_dump_seqno; 806 }; 807 808 #define BTUSB_MAX_ISOC_FRAMES 10 809 810 #define BTUSB_INTR_RUNNING 0 811 #define BTUSB_BULK_RUNNING 1 812 #define BTUSB_ISOC_RUNNING 2 813 #define BTUSB_SUSPENDING 3 814 #define BTUSB_DID_ISO_RESUME 4 815 #define BTUSB_BOOTLOADER 5 816 #define BTUSB_DOWNLOADING 6 817 #define BTUSB_FIRMWARE_LOADED 7 818 #define BTUSB_FIRMWARE_FAILED 8 819 #define BTUSB_BOOTING 9 820 #define BTUSB_DIAG_RUNNING 10 821 #define BTUSB_OOB_WAKE_ENABLED 11 822 #define BTUSB_HW_RESET_ACTIVE 12 823 #define BTUSB_TX_WAIT_VND_EVT 13 824 #define BTUSB_WAKEUP_AUTOSUSPEND 14 825 #define BTUSB_USE_ALT3_FOR_WBS 15 826 #define BTUSB_ALT6_CONTINUOUS_TX 16 827 #define BTUSB_HW_SSR_ACTIVE 17 828 829 struct btusb_data { 830 struct hci_dev *hdev; 831 struct usb_device *udev; 832 struct usb_interface *intf; 833 struct usb_interface *isoc; 834 struct usb_interface *diag; 835 unsigned isoc_ifnum; 836 837 unsigned long flags; 838 839 bool poll_sync; 840 int intr_interval; 841 struct work_struct work; 842 struct work_struct waker; 843 struct delayed_work rx_work; 844 845 struct sk_buff_head acl_q; 846 847 struct usb_anchor deferred; 848 struct usb_anchor tx_anchor; 849 int tx_in_flight; 850 spinlock_t txlock; 851 852 struct usb_anchor intr_anchor; 853 struct usb_anchor bulk_anchor; 854 struct usb_anchor isoc_anchor; 855 struct usb_anchor diag_anchor; 856 struct usb_anchor ctrl_anchor; 857 spinlock_t rxlock; 858 859 struct sk_buff *evt_skb; 860 struct sk_buff *acl_skb; 861 struct sk_buff *sco_skb; 862 863 struct usb_endpoint_descriptor *intr_ep; 864 struct usb_endpoint_descriptor *bulk_tx_ep; 865 struct usb_endpoint_descriptor *bulk_rx_ep; 866 struct usb_endpoint_descriptor *isoc_tx_ep; 867 struct usb_endpoint_descriptor *isoc_rx_ep; 868 struct usb_endpoint_descriptor *diag_tx_ep; 869 struct usb_endpoint_descriptor *diag_rx_ep; 870 871 struct gpio_desc *reset_gpio; 872 873 __u8 cmdreq_type; 874 __u8 cmdreq; 875 876 unsigned int sco_num; 877 unsigned int air_mode; 878 bool usb_alt6_packet_flow; 879 int isoc_altsetting; 880 int suspend_count; 881 882 int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb); 883 int (*recv_acl)(struct hci_dev *hdev, struct sk_buff *skb); 884 int (*recv_bulk)(struct btusb_data *data, void *buffer, int count); 885 886 int (*setup_on_usb)(struct hci_dev *hdev); 887 888 int (*suspend)(struct hci_dev *hdev); 889 int (*resume)(struct hci_dev *hdev); 890 int (*disconnect)(struct hci_dev *hdev); 891 892 int oob_wake_irq; /* irq for out-of-band wake-on-bt */ 893 894 struct qca_dump_info qca_dump; 895 }; 896 897 static void btusb_reset(struct hci_dev *hdev) 898 { 899 struct btusb_data *data; 900 int err; 901 902 data = hci_get_drvdata(hdev); 903 /* This is not an unbalanced PM reference since the device will reset */ 904 err = usb_autopm_get_interface(data->intf); 905 if (err) { 906 bt_dev_err(hdev, "Failed usb_autopm_get_interface: %d", err); 907 return; 908 } 909 910 bt_dev_err(hdev, "Resetting usb device."); 911 usb_queue_reset_device(data->intf); 912 } 913 914 static void btusb_intel_reset(struct hci_dev *hdev) 915 { 916 struct btusb_data *data = hci_get_drvdata(hdev); 917 struct gpio_desc *reset_gpio = data->reset_gpio; 918 struct btintel_data *intel_data = hci_get_priv(hdev); 919 920 if (intel_data->acpi_reset_method) { 921 if (test_and_set_bit(INTEL_ACPI_RESET_ACTIVE, intel_data->flags)) { 922 bt_dev_err(hdev, "acpi: last reset failed ? Not resetting again"); 923 return; 924 } 925 926 bt_dev_err(hdev, "Initiating acpi reset method"); 927 /* If ACPI reset method fails, lets try with legacy GPIO 928 * toggling 929 */ 930 if (!intel_data->acpi_reset_method(hdev)) { 931 return; 932 } 933 } 934 935 if (!reset_gpio) { 936 btusb_reset(hdev); 937 return; 938 } 939 940 /* 941 * Toggle the hard reset line if the platform provides one. The reset 942 * is going to yank the device off the USB and then replug. So doing 943 * once is enough. The cleanup is handled correctly on the way out 944 * (standard USB disconnect), and the new device is detected cleanly 945 * and bound to the driver again like it should be. 946 */ 947 if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) { 948 bt_dev_err(hdev, "last reset failed? Not resetting again"); 949 return; 950 } 951 952 bt_dev_err(hdev, "Initiating HW reset via gpio"); 953 gpiod_set_value_cansleep(reset_gpio, 1); 954 msleep(100); 955 gpiod_set_value_cansleep(reset_gpio, 0); 956 } 957 958 #define RTK_DEVCOREDUMP_CODE_MEMDUMP 0x01 959 #define RTK_DEVCOREDUMP_CODE_HW_ERR 0x02 960 #define RTK_DEVCOREDUMP_CODE_CMD_TIMEOUT 0x03 961 962 #define RTK_SUB_EVENT_CODE_COREDUMP 0x34 963 964 struct rtk_dev_coredump_hdr { 965 u8 type; 966 u8 code; 967 u8 reserved[2]; 968 } __packed; 969 970 static inline void btusb_rtl_alloc_devcoredump(struct hci_dev *hdev, 971 struct rtk_dev_coredump_hdr *hdr, u8 *buf, u32 len) 972 { 973 struct sk_buff *skb; 974 975 skb = alloc_skb(len + sizeof(*hdr), GFP_ATOMIC); 976 if (!skb) 977 return; 978 979 skb_put_data(skb, hdr, sizeof(*hdr)); 980 if (len) 981 skb_put_data(skb, buf, len); 982 983 if (!hci_devcd_init(hdev, skb->len)) { 984 hci_devcd_append(hdev, skb); 985 hci_devcd_complete(hdev); 986 } else { 987 bt_dev_err(hdev, "RTL: Failed to generate devcoredump"); 988 kfree_skb(skb); 989 } 990 } 991 992 static void btusb_rtl_reset(struct hci_dev *hdev) 993 { 994 struct btusb_data *data = hci_get_drvdata(hdev); 995 struct gpio_desc *reset_gpio = data->reset_gpio; 996 struct rtk_dev_coredump_hdr hdr = { 997 .type = RTK_DEVCOREDUMP_CODE_CMD_TIMEOUT, 998 }; 999 1000 btusb_rtl_alloc_devcoredump(hdev, &hdr, NULL, 0); 1001 1002 if (!reset_gpio) { 1003 btusb_reset(hdev); 1004 return; 1005 } 1006 1007 /* Toggle the hard reset line. The Realtek device is going to 1008 * yank itself off the USB and then replug. The cleanup is handled 1009 * correctly on the way out (standard USB disconnect), and the new 1010 * device is detected cleanly and bound to the driver again like 1011 * it should be. 1012 */ 1013 if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) { 1014 bt_dev_err(hdev, "last reset failed? Not resetting again"); 1015 return; 1016 } 1017 1018 bt_dev_err(hdev, "Reset Realtek device via gpio"); 1019 gpiod_set_value_cansleep(reset_gpio, 1); 1020 msleep(200); 1021 gpiod_set_value_cansleep(reset_gpio, 0); 1022 } 1023 1024 static void btusb_rtl_hw_error(struct hci_dev *hdev, u8 code) 1025 { 1026 struct rtk_dev_coredump_hdr hdr = { 1027 .type = RTK_DEVCOREDUMP_CODE_HW_ERR, 1028 .code = code, 1029 }; 1030 1031 bt_dev_err(hdev, "RTL: hw err, trigger devcoredump (%d)", code); 1032 1033 btusb_rtl_alloc_devcoredump(hdev, &hdr, NULL, 0); 1034 } 1035 1036 static void btusb_qca_reset(struct hci_dev *hdev) 1037 { 1038 struct btusb_data *data = hci_get_drvdata(hdev); 1039 struct gpio_desc *reset_gpio = data->reset_gpio; 1040 1041 if (test_bit(BTUSB_HW_SSR_ACTIVE, &data->flags)) { 1042 bt_dev_info(hdev, "Ramdump in progress, defer reset"); 1043 return; 1044 } 1045 1046 if (reset_gpio) { 1047 bt_dev_err(hdev, "Reset qca device via bt_en gpio"); 1048 1049 /* Toggle the hard reset line. The qca bt device is going to 1050 * yank itself off the USB and then replug. The cleanup is handled 1051 * correctly on the way out (standard USB disconnect), and the new 1052 * device is detected cleanly and bound to the driver again like 1053 * it should be. 1054 */ 1055 if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) { 1056 bt_dev_err(hdev, "last reset failed? Not resetting again"); 1057 return; 1058 } 1059 1060 gpiod_set_value_cansleep(reset_gpio, 0); 1061 msleep(200); 1062 gpiod_set_value_cansleep(reset_gpio, 1); 1063 1064 return; 1065 } 1066 1067 btusb_reset(hdev); 1068 } 1069 1070 static inline void btusb_free_frags(struct btusb_data *data) 1071 { 1072 unsigned long flags; 1073 1074 spin_lock_irqsave(&data->rxlock, flags); 1075 1076 dev_kfree_skb_irq(data->evt_skb); 1077 data->evt_skb = NULL; 1078 1079 dev_kfree_skb_irq(data->acl_skb); 1080 data->acl_skb = NULL; 1081 1082 dev_kfree_skb_irq(data->sco_skb); 1083 data->sco_skb = NULL; 1084 1085 spin_unlock_irqrestore(&data->rxlock, flags); 1086 } 1087 1088 static int btusb_recv_event(struct btusb_data *data, struct sk_buff *skb) 1089 { 1090 if (data->intr_interval) { 1091 /* Trigger dequeue immediately if an event is received */ 1092 schedule_delayed_work(&data->rx_work, 0); 1093 } 1094 1095 return data->recv_event(data->hdev, skb); 1096 } 1097 1098 static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count) 1099 { 1100 struct sk_buff *skb; 1101 unsigned long flags; 1102 int err = 0; 1103 1104 spin_lock_irqsave(&data->rxlock, flags); 1105 skb = data->evt_skb; 1106 1107 while (count) { 1108 int len; 1109 1110 if (!skb) { 1111 skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC); 1112 if (!skb) { 1113 err = -ENOMEM; 1114 break; 1115 } 1116 1117 hci_skb_pkt_type(skb) = HCI_EVENT_PKT; 1118 hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE; 1119 } 1120 1121 len = min_t(uint, hci_skb_expect(skb), count); 1122 skb_put_data(skb, buffer, len); 1123 1124 count -= len; 1125 buffer += len; 1126 hci_skb_expect(skb) -= len; 1127 1128 if (skb->len == HCI_EVENT_HDR_SIZE) { 1129 /* Complete event header */ 1130 hci_skb_expect(skb) = hci_event_hdr(skb)->plen; 1131 1132 if (skb_tailroom(skb) < hci_skb_expect(skb)) { 1133 kfree_skb(skb); 1134 skb = NULL; 1135 1136 err = -EILSEQ; 1137 break; 1138 } 1139 } 1140 1141 if (!hci_skb_expect(skb)) { 1142 /* Complete frame */ 1143 btusb_recv_event(data, skb); 1144 skb = NULL; 1145 } 1146 } 1147 1148 data->evt_skb = skb; 1149 spin_unlock_irqrestore(&data->rxlock, flags); 1150 1151 return err; 1152 } 1153 1154 static int btusb_recv_acl(struct btusb_data *data, struct sk_buff *skb) 1155 { 1156 /* Only queue ACL packet if intr_interval is set as it means 1157 * force_poll_sync has been enabled. 1158 */ 1159 if (!data->intr_interval) 1160 return data->recv_acl(data->hdev, skb); 1161 1162 skb_queue_tail(&data->acl_q, skb); 1163 schedule_delayed_work(&data->rx_work, data->intr_interval); 1164 1165 return 0; 1166 } 1167 1168 static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count) 1169 { 1170 struct sk_buff *skb; 1171 unsigned long flags; 1172 int err = 0; 1173 1174 spin_lock_irqsave(&data->rxlock, flags); 1175 skb = data->acl_skb; 1176 1177 while (count) { 1178 int len; 1179 1180 if (!skb) { 1181 skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC); 1182 if (!skb) { 1183 err = -ENOMEM; 1184 break; 1185 } 1186 1187 hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT; 1188 hci_skb_expect(skb) = HCI_ACL_HDR_SIZE; 1189 } 1190 1191 len = min_t(uint, hci_skb_expect(skb), count); 1192 skb_put_data(skb, buffer, len); 1193 1194 count -= len; 1195 buffer += len; 1196 hci_skb_expect(skb) -= len; 1197 1198 if (skb->len == HCI_ACL_HDR_SIZE) { 1199 __le16 dlen = hci_acl_hdr(skb)->dlen; 1200 1201 /* Complete ACL header */ 1202 hci_skb_expect(skb) = __le16_to_cpu(dlen); 1203 1204 if (skb_tailroom(skb) < hci_skb_expect(skb)) { 1205 kfree_skb(skb); 1206 skb = NULL; 1207 1208 err = -EILSEQ; 1209 break; 1210 } 1211 } 1212 1213 if (!hci_skb_expect(skb)) { 1214 /* Complete frame */ 1215 btusb_recv_acl(data, skb); 1216 skb = NULL; 1217 } 1218 } 1219 1220 data->acl_skb = skb; 1221 spin_unlock_irqrestore(&data->rxlock, flags); 1222 1223 return err; 1224 } 1225 1226 static bool btusb_validate_sco_handle(struct hci_dev *hdev, 1227 struct hci_sco_hdr *hdr) 1228 { 1229 __u16 handle; 1230 1231 if (hci_dev_test_flag(hdev, HCI_USER_CHANNEL)) 1232 // Can't validate, userspace controls everything. 1233 return true; 1234 1235 /* 1236 * USB isochronous transfers are not designed to be reliable and may 1237 * lose fragments. When this happens, the next first fragment 1238 * encountered might actually be a continuation fragment. 1239 * Validate the handle to detect it and drop it, or else the upper 1240 * layer will get garbage for a while. 1241 */ 1242 1243 handle = hci_handle(__le16_to_cpu(hdr->handle)); 1244 1245 switch (hci_conn_lookup_type(hdev, handle)) { 1246 case SCO_LINK: 1247 case ESCO_LINK: 1248 return true; 1249 default: 1250 return false; 1251 } 1252 } 1253 1254 static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count) 1255 { 1256 struct sk_buff *skb; 1257 unsigned long flags; 1258 int err = 0; 1259 1260 spin_lock_irqsave(&data->rxlock, flags); 1261 skb = data->sco_skb; 1262 1263 while (count) { 1264 int len; 1265 1266 if (!skb) { 1267 skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC); 1268 if (!skb) { 1269 err = -ENOMEM; 1270 break; 1271 } 1272 1273 hci_skb_pkt_type(skb) = HCI_SCODATA_PKT; 1274 hci_skb_expect(skb) = HCI_SCO_HDR_SIZE; 1275 } 1276 1277 len = min_t(uint, hci_skb_expect(skb), count); 1278 skb_put_data(skb, buffer, len); 1279 1280 count -= len; 1281 buffer += len; 1282 hci_skb_expect(skb) -= len; 1283 1284 if (skb->len == HCI_SCO_HDR_SIZE) { 1285 /* Complete SCO header */ 1286 struct hci_sco_hdr *hdr = hci_sco_hdr(skb); 1287 1288 hci_skb_expect(skb) = hdr->dlen; 1289 1290 if (skb_tailroom(skb) < hci_skb_expect(skb) || 1291 !btusb_validate_sco_handle(data->hdev, hdr)) { 1292 kfree_skb(skb); 1293 skb = NULL; 1294 1295 err = -EILSEQ; 1296 break; 1297 } 1298 } 1299 1300 if (!hci_skb_expect(skb)) { 1301 /* Complete frame */ 1302 hci_recv_frame(data->hdev, skb); 1303 skb = NULL; 1304 } 1305 } 1306 1307 data->sco_skb = skb; 1308 spin_unlock_irqrestore(&data->rxlock, flags); 1309 1310 return err; 1311 } 1312 1313 static void btusb_intr_complete(struct urb *urb) 1314 { 1315 struct hci_dev *hdev = urb->context; 1316 struct btusb_data *data = hci_get_drvdata(hdev); 1317 int err; 1318 1319 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, 1320 urb->actual_length); 1321 1322 if (!test_bit(HCI_RUNNING, &hdev->flags)) 1323 return; 1324 1325 if (urb->status == 0) { 1326 hdev->stat.byte_rx += urb->actual_length; 1327 1328 if (btusb_recv_intr(data, urb->transfer_buffer, 1329 urb->actual_length) < 0) { 1330 bt_dev_err(hdev, "corrupted event packet"); 1331 hdev->stat.err_rx++; 1332 } 1333 } else if (urb->status == -ENOENT) { 1334 /* Avoid suspend failed when usb_kill_urb */ 1335 return; 1336 } 1337 1338 if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) 1339 return; 1340 1341 usb_mark_last_busy(data->udev); 1342 usb_anchor_urb(urb, &data->intr_anchor); 1343 1344 err = usb_submit_urb(urb, GFP_ATOMIC); 1345 if (err < 0) { 1346 /* -EPERM: urb is being killed; 1347 * -ENODEV: device got disconnected 1348 */ 1349 if (err != -EPERM && err != -ENODEV) 1350 bt_dev_err(hdev, "urb %p failed to resubmit (%d)", 1351 urb, -err); 1352 if (err != -EPERM) 1353 hci_cmd_sync_cancel(hdev, -err); 1354 usb_unanchor_urb(urb); 1355 } 1356 } 1357 1358 static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) 1359 { 1360 struct btusb_data *data = hci_get_drvdata(hdev); 1361 struct urb *urb; 1362 unsigned char *buf; 1363 unsigned int pipe; 1364 int err, size; 1365 1366 BT_DBG("%s", hdev->name); 1367 1368 if (!data->intr_ep) 1369 return -ENODEV; 1370 1371 urb = usb_alloc_urb(0, mem_flags); 1372 if (!urb) 1373 return -ENOMEM; 1374 1375 if (le16_to_cpu(data->udev->descriptor.idVendor) == 0x0a12 && 1376 le16_to_cpu(data->udev->descriptor.idProduct) == 0x0001) 1377 /* Fake CSR devices don't seem to support sort-transter */ 1378 size = le16_to_cpu(data->intr_ep->wMaxPacketSize); 1379 else 1380 /* Use maximum HCI Event size so the USB stack handles 1381 * ZPL/short-transfer automatically. 1382 */ 1383 size = HCI_MAX_EVENT_SIZE; 1384 1385 buf = kmalloc(size, mem_flags); 1386 if (!buf) { 1387 usb_free_urb(urb); 1388 return -ENOMEM; 1389 } 1390 1391 pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); 1392 1393 usb_fill_int_urb(urb, data->udev, pipe, buf, size, 1394 btusb_intr_complete, hdev, data->intr_ep->bInterval); 1395 1396 urb->transfer_flags |= URB_FREE_BUFFER; 1397 1398 usb_anchor_urb(urb, &data->intr_anchor); 1399 1400 err = usb_submit_urb(urb, mem_flags); 1401 if (err < 0) { 1402 if (err != -EPERM && err != -ENODEV) 1403 bt_dev_err(hdev, "urb %p submission failed (%d)", 1404 urb, -err); 1405 if (err != -EPERM) 1406 hci_cmd_sync_cancel(hdev, -err); 1407 usb_unanchor_urb(urb); 1408 } 1409 1410 /* Only initialize intr_interval if URB poll sync is enabled */ 1411 if (!data->poll_sync) 1412 goto done; 1413 1414 /* The units are frames (milliseconds) for full and low speed devices, 1415 * and microframes (1/8 millisecond) for highspeed and SuperSpeed 1416 * devices. 1417 * 1418 * This is done once on open/resume so it shouldn't change even if 1419 * force_poll_sync changes. 1420 */ 1421 switch (urb->dev->speed) { 1422 case USB_SPEED_SUPER_PLUS: 1423 case USB_SPEED_SUPER: /* units are 125us */ 1424 data->intr_interval = usecs_to_jiffies(urb->interval * 125); 1425 break; 1426 default: 1427 data->intr_interval = msecs_to_jiffies(urb->interval); 1428 break; 1429 } 1430 1431 done: 1432 usb_free_urb(urb); 1433 1434 return err; 1435 } 1436 1437 static void btusb_bulk_complete(struct urb *urb) 1438 { 1439 struct hci_dev *hdev = urb->context; 1440 struct btusb_data *data = hci_get_drvdata(hdev); 1441 int err; 1442 1443 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, 1444 urb->actual_length); 1445 1446 if (!test_bit(HCI_RUNNING, &hdev->flags)) 1447 return; 1448 1449 if (urb->status == 0) { 1450 hdev->stat.byte_rx += urb->actual_length; 1451 1452 if (data->recv_bulk(data, urb->transfer_buffer, 1453 urb->actual_length) < 0) { 1454 bt_dev_err(hdev, "corrupted ACL packet"); 1455 hdev->stat.err_rx++; 1456 } 1457 } else if (urb->status == -ENOENT) { 1458 /* Avoid suspend failed when usb_kill_urb */ 1459 return; 1460 } 1461 1462 if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) 1463 return; 1464 1465 usb_anchor_urb(urb, &data->bulk_anchor); 1466 usb_mark_last_busy(data->udev); 1467 1468 err = usb_submit_urb(urb, GFP_ATOMIC); 1469 if (err < 0) { 1470 /* -EPERM: urb is being killed; 1471 * -ENODEV: device got disconnected 1472 */ 1473 if (err != -EPERM && err != -ENODEV) 1474 bt_dev_err(hdev, "urb %p failed to resubmit (%d)", 1475 urb, -err); 1476 usb_unanchor_urb(urb); 1477 } 1478 } 1479 1480 static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) 1481 { 1482 struct btusb_data *data = hci_get_drvdata(hdev); 1483 struct urb *urb; 1484 unsigned char *buf; 1485 unsigned int pipe; 1486 int err, size = HCI_MAX_FRAME_SIZE; 1487 1488 BT_DBG("%s", hdev->name); 1489 1490 if (!data->bulk_rx_ep) 1491 return -ENODEV; 1492 1493 urb = usb_alloc_urb(0, mem_flags); 1494 if (!urb) 1495 return -ENOMEM; 1496 1497 buf = kmalloc(size, mem_flags); 1498 if (!buf) { 1499 usb_free_urb(urb); 1500 return -ENOMEM; 1501 } 1502 1503 pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); 1504 1505 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, 1506 btusb_bulk_complete, hdev); 1507 1508 urb->transfer_flags |= URB_FREE_BUFFER; 1509 1510 usb_mark_last_busy(data->udev); 1511 usb_anchor_urb(urb, &data->bulk_anchor); 1512 1513 err = usb_submit_urb(urb, mem_flags); 1514 if (err < 0) { 1515 if (err != -EPERM && err != -ENODEV) 1516 bt_dev_err(hdev, "urb %p submission failed (%d)", 1517 urb, -err); 1518 usb_unanchor_urb(urb); 1519 } 1520 1521 usb_free_urb(urb); 1522 1523 return err; 1524 } 1525 1526 static void btusb_isoc_complete(struct urb *urb) 1527 { 1528 struct hci_dev *hdev = urb->context; 1529 struct btusb_data *data = hci_get_drvdata(hdev); 1530 int i, err; 1531 1532 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, 1533 urb->actual_length); 1534 1535 if (!test_bit(HCI_RUNNING, &hdev->flags)) 1536 return; 1537 1538 if (urb->status == 0) { 1539 for (i = 0; i < urb->number_of_packets; i++) { 1540 unsigned int offset = urb->iso_frame_desc[i].offset; 1541 unsigned int length = urb->iso_frame_desc[i].actual_length; 1542 1543 if (urb->iso_frame_desc[i].status) 1544 continue; 1545 1546 hdev->stat.byte_rx += length; 1547 1548 if (btusb_recv_isoc(data, urb->transfer_buffer + offset, 1549 length) < 0) { 1550 bt_dev_err(hdev, "corrupted SCO packet"); 1551 hdev->stat.err_rx++; 1552 } 1553 } 1554 } else if (urb->status == -ENOENT) { 1555 /* Avoid suspend failed when usb_kill_urb */ 1556 return; 1557 } 1558 1559 if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) 1560 return; 1561 1562 usb_anchor_urb(urb, &data->isoc_anchor); 1563 1564 err = usb_submit_urb(urb, GFP_ATOMIC); 1565 if (err < 0) { 1566 /* -EPERM: urb is being killed; 1567 * -ENODEV: device got disconnected 1568 */ 1569 if (err != -EPERM && err != -ENODEV) 1570 bt_dev_err(hdev, "urb %p failed to resubmit (%d)", 1571 urb, -err); 1572 usb_unanchor_urb(urb); 1573 } 1574 } 1575 1576 static inline void __fill_isoc_descriptor_msbc(struct urb *urb, int len, 1577 int mtu, struct btusb_data *data) 1578 { 1579 int i = 0, offset = 0; 1580 unsigned int interval; 1581 1582 BT_DBG("len %d mtu %d", len, mtu); 1583 1584 /* For mSBC ALT 6 settings some chips need to transmit the data 1585 * continuously without the zero length of USB packets. 1586 */ 1587 if (test_bit(BTUSB_ALT6_CONTINUOUS_TX, &data->flags)) 1588 goto ignore_usb_alt6_packet_flow; 1589 1590 /* For mSBC ALT 6 setting the host will send the packet at continuous 1591 * flow. As per core spec 5, vol 4, part B, table 2.1. For ALT setting 1592 * 6 the HCI PACKET INTERVAL should be 7.5ms for every usb packets. 1593 * To maintain the rate we send 63bytes of usb packets alternatively for 1594 * 7ms and 8ms to maintain the rate as 7.5ms. 1595 */ 1596 if (data->usb_alt6_packet_flow) { 1597 interval = 7; 1598 data->usb_alt6_packet_flow = false; 1599 } else { 1600 interval = 6; 1601 data->usb_alt6_packet_flow = true; 1602 } 1603 1604 for (i = 0; i < interval; i++) { 1605 urb->iso_frame_desc[i].offset = offset; 1606 urb->iso_frame_desc[i].length = offset; 1607 } 1608 1609 ignore_usb_alt6_packet_flow: 1610 if (len && i < BTUSB_MAX_ISOC_FRAMES) { 1611 urb->iso_frame_desc[i].offset = offset; 1612 urb->iso_frame_desc[i].length = len; 1613 i++; 1614 } 1615 1616 urb->number_of_packets = i; 1617 } 1618 1619 static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) 1620 { 1621 int i, offset = 0; 1622 1623 BT_DBG("len %d mtu %d", len, mtu); 1624 1625 for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; 1626 i++, offset += mtu, len -= mtu) { 1627 urb->iso_frame_desc[i].offset = offset; 1628 urb->iso_frame_desc[i].length = mtu; 1629 } 1630 1631 if (len && i < BTUSB_MAX_ISOC_FRAMES) { 1632 urb->iso_frame_desc[i].offset = offset; 1633 urb->iso_frame_desc[i].length = len; 1634 i++; 1635 } 1636 1637 urb->number_of_packets = i; 1638 } 1639 1640 static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) 1641 { 1642 struct btusb_data *data = hci_get_drvdata(hdev); 1643 struct urb *urb; 1644 unsigned char *buf; 1645 unsigned int pipe; 1646 int err, size; 1647 1648 BT_DBG("%s", hdev->name); 1649 1650 if (!data->isoc_rx_ep) 1651 return -ENODEV; 1652 1653 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); 1654 if (!urb) 1655 return -ENOMEM; 1656 1657 size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * 1658 BTUSB_MAX_ISOC_FRAMES; 1659 1660 buf = kmalloc(size, mem_flags); 1661 if (!buf) { 1662 usb_free_urb(urb); 1663 return -ENOMEM; 1664 } 1665 1666 pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); 1667 1668 usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, 1669 hdev, data->isoc_rx_ep->bInterval); 1670 1671 urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; 1672 1673 __fill_isoc_descriptor(urb, size, 1674 le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); 1675 1676 usb_anchor_urb(urb, &data->isoc_anchor); 1677 1678 err = usb_submit_urb(urb, mem_flags); 1679 if (err < 0) { 1680 if (err != -EPERM && err != -ENODEV) 1681 bt_dev_err(hdev, "urb %p submission failed (%d)", 1682 urb, -err); 1683 usb_unanchor_urb(urb); 1684 } 1685 1686 usb_free_urb(urb); 1687 1688 return err; 1689 } 1690 1691 static void btusb_diag_complete(struct urb *urb) 1692 { 1693 struct hci_dev *hdev = urb->context; 1694 struct btusb_data *data = hci_get_drvdata(hdev); 1695 int err; 1696 1697 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, 1698 urb->actual_length); 1699 1700 if (urb->status == 0) { 1701 struct sk_buff *skb; 1702 1703 skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC); 1704 if (skb) { 1705 skb_put_data(skb, urb->transfer_buffer, 1706 urb->actual_length); 1707 hci_recv_diag(hdev, skb); 1708 } 1709 } else if (urb->status == -ENOENT) { 1710 /* Avoid suspend failed when usb_kill_urb */ 1711 return; 1712 } 1713 1714 if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags)) 1715 return; 1716 1717 usb_anchor_urb(urb, &data->diag_anchor); 1718 usb_mark_last_busy(data->udev); 1719 1720 err = usb_submit_urb(urb, GFP_ATOMIC); 1721 if (err < 0) { 1722 /* -EPERM: urb is being killed; 1723 * -ENODEV: device got disconnected 1724 */ 1725 if (err != -EPERM && err != -ENODEV) 1726 bt_dev_err(hdev, "urb %p failed to resubmit (%d)", 1727 urb, -err); 1728 usb_unanchor_urb(urb); 1729 } 1730 } 1731 1732 static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags) 1733 { 1734 struct btusb_data *data = hci_get_drvdata(hdev); 1735 struct urb *urb; 1736 unsigned char *buf; 1737 unsigned int pipe; 1738 int err, size = HCI_MAX_FRAME_SIZE; 1739 1740 BT_DBG("%s", hdev->name); 1741 1742 if (!data->diag_rx_ep) 1743 return -ENODEV; 1744 1745 urb = usb_alloc_urb(0, mem_flags); 1746 if (!urb) 1747 return -ENOMEM; 1748 1749 buf = kmalloc(size, mem_flags); 1750 if (!buf) { 1751 usb_free_urb(urb); 1752 return -ENOMEM; 1753 } 1754 1755 pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress); 1756 1757 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, 1758 btusb_diag_complete, hdev); 1759 1760 urb->transfer_flags |= URB_FREE_BUFFER; 1761 1762 usb_mark_last_busy(data->udev); 1763 usb_anchor_urb(urb, &data->diag_anchor); 1764 1765 err = usb_submit_urb(urb, mem_flags); 1766 if (err < 0) { 1767 if (err != -EPERM && err != -ENODEV) 1768 bt_dev_err(hdev, "urb %p submission failed (%d)", 1769 urb, -err); 1770 usb_unanchor_urb(urb); 1771 } 1772 1773 usb_free_urb(urb); 1774 1775 return err; 1776 } 1777 1778 static void btusb_tx_complete(struct urb *urb) 1779 { 1780 struct sk_buff *skb = urb->context; 1781 struct hci_dev *hdev = (struct hci_dev *)skb->dev; 1782 struct btusb_data *data = hci_get_drvdata(hdev); 1783 unsigned long flags; 1784 1785 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, 1786 urb->actual_length); 1787 1788 if (!test_bit(HCI_RUNNING, &hdev->flags)) 1789 goto done; 1790 1791 if (!urb->status) { 1792 hdev->stat.byte_tx += urb->transfer_buffer_length; 1793 } else { 1794 if (hci_skb_pkt_type(skb) == HCI_COMMAND_PKT) 1795 hci_cmd_sync_cancel(hdev, -urb->status); 1796 hdev->stat.err_tx++; 1797 } 1798 1799 done: 1800 spin_lock_irqsave(&data->txlock, flags); 1801 data->tx_in_flight--; 1802 spin_unlock_irqrestore(&data->txlock, flags); 1803 1804 kfree(urb->setup_packet); 1805 1806 kfree_skb(skb); 1807 } 1808 1809 static void btusb_isoc_tx_complete(struct urb *urb) 1810 { 1811 struct sk_buff *skb = urb->context; 1812 struct hci_dev *hdev = (struct hci_dev *)skb->dev; 1813 1814 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, 1815 urb->actual_length); 1816 1817 if (!test_bit(HCI_RUNNING, &hdev->flags)) 1818 goto done; 1819 1820 if (!urb->status) 1821 hdev->stat.byte_tx += urb->transfer_buffer_length; 1822 else 1823 hdev->stat.err_tx++; 1824 1825 done: 1826 kfree(urb->setup_packet); 1827 1828 kfree_skb(skb); 1829 } 1830 1831 static int btusb_open(struct hci_dev *hdev) 1832 { 1833 struct btusb_data *data = hci_get_drvdata(hdev); 1834 int err; 1835 1836 BT_DBG("%s", hdev->name); 1837 1838 err = usb_autopm_get_interface(data->intf); 1839 if (err < 0) 1840 return err; 1841 1842 /* Patching USB firmware files prior to starting any URBs of HCI path 1843 * It is more safe to use USB bulk channel for downloading USB patch 1844 */ 1845 if (data->setup_on_usb) { 1846 err = data->setup_on_usb(hdev); 1847 if (err < 0) 1848 goto setup_fail; 1849 } 1850 1851 data->intf->needs_remote_wakeup = 1; 1852 1853 if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) 1854 goto done; 1855 1856 err = btusb_submit_intr_urb(hdev, GFP_KERNEL); 1857 if (err < 0) 1858 goto failed; 1859 1860 err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); 1861 if (err < 0) { 1862 usb_kill_anchored_urbs(&data->intr_anchor); 1863 goto failed; 1864 } 1865 1866 set_bit(BTUSB_BULK_RUNNING, &data->flags); 1867 btusb_submit_bulk_urb(hdev, GFP_KERNEL); 1868 1869 if (data->diag) { 1870 if (!btusb_submit_diag_urb(hdev, GFP_KERNEL)) 1871 set_bit(BTUSB_DIAG_RUNNING, &data->flags); 1872 } 1873 1874 done: 1875 usb_autopm_put_interface(data->intf); 1876 return 0; 1877 1878 failed: 1879 clear_bit(BTUSB_INTR_RUNNING, &data->flags); 1880 setup_fail: 1881 usb_autopm_put_interface(data->intf); 1882 return err; 1883 } 1884 1885 static void btusb_stop_traffic(struct btusb_data *data) 1886 { 1887 usb_kill_anchored_urbs(&data->intr_anchor); 1888 usb_kill_anchored_urbs(&data->bulk_anchor); 1889 usb_kill_anchored_urbs(&data->isoc_anchor); 1890 usb_kill_anchored_urbs(&data->diag_anchor); 1891 usb_kill_anchored_urbs(&data->ctrl_anchor); 1892 } 1893 1894 static int btusb_close(struct hci_dev *hdev) 1895 { 1896 struct btusb_data *data = hci_get_drvdata(hdev); 1897 int err; 1898 1899 BT_DBG("%s", hdev->name); 1900 1901 cancel_delayed_work(&data->rx_work); 1902 cancel_work_sync(&data->work); 1903 cancel_work_sync(&data->waker); 1904 1905 skb_queue_purge(&data->acl_q); 1906 1907 clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 1908 clear_bit(BTUSB_BULK_RUNNING, &data->flags); 1909 clear_bit(BTUSB_INTR_RUNNING, &data->flags); 1910 clear_bit(BTUSB_DIAG_RUNNING, &data->flags); 1911 1912 btusb_stop_traffic(data); 1913 btusb_free_frags(data); 1914 1915 err = usb_autopm_get_interface(data->intf); 1916 if (err < 0) 1917 goto failed; 1918 1919 data->intf->needs_remote_wakeup = 0; 1920 1921 /* Enable remote wake up for auto-suspend */ 1922 if (test_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags)) 1923 data->intf->needs_remote_wakeup = 1; 1924 1925 usb_autopm_put_interface(data->intf); 1926 1927 failed: 1928 usb_scuttle_anchored_urbs(&data->deferred); 1929 return 0; 1930 } 1931 1932 static int btusb_flush(struct hci_dev *hdev) 1933 { 1934 struct btusb_data *data = hci_get_drvdata(hdev); 1935 1936 BT_DBG("%s", hdev->name); 1937 1938 cancel_delayed_work(&data->rx_work); 1939 1940 skb_queue_purge(&data->acl_q); 1941 1942 usb_kill_anchored_urbs(&data->tx_anchor); 1943 btusb_free_frags(data); 1944 1945 return 0; 1946 } 1947 1948 static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb) 1949 { 1950 struct btusb_data *data = hci_get_drvdata(hdev); 1951 struct usb_ctrlrequest *dr; 1952 struct urb *urb; 1953 unsigned int pipe; 1954 1955 urb = usb_alloc_urb(0, GFP_KERNEL); 1956 if (!urb) 1957 return ERR_PTR(-ENOMEM); 1958 1959 dr = kmalloc(sizeof(*dr), GFP_KERNEL); 1960 if (!dr) { 1961 usb_free_urb(urb); 1962 return ERR_PTR(-ENOMEM); 1963 } 1964 1965 dr->bRequestType = data->cmdreq_type; 1966 dr->bRequest = data->cmdreq; 1967 dr->wIndex = 0; 1968 dr->wValue = 0; 1969 dr->wLength = __cpu_to_le16(skb->len); 1970 1971 pipe = usb_sndctrlpipe(data->udev, 0x00); 1972 1973 usb_fill_control_urb(urb, data->udev, pipe, (void *)dr, 1974 skb->data, skb->len, btusb_tx_complete, skb); 1975 1976 skb->dev = (void *)hdev; 1977 1978 return urb; 1979 } 1980 1981 static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb) 1982 { 1983 struct btusb_data *data = hci_get_drvdata(hdev); 1984 struct urb *urb; 1985 unsigned int pipe; 1986 1987 if (!data->bulk_tx_ep) 1988 return ERR_PTR(-ENODEV); 1989 1990 urb = usb_alloc_urb(0, GFP_KERNEL); 1991 if (!urb) 1992 return ERR_PTR(-ENOMEM); 1993 1994 pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress); 1995 1996 usb_fill_bulk_urb(urb, data->udev, pipe, 1997 skb->data, skb->len, btusb_tx_complete, skb); 1998 1999 skb->dev = (void *)hdev; 2000 2001 return urb; 2002 } 2003 2004 static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb) 2005 { 2006 struct btusb_data *data = hci_get_drvdata(hdev); 2007 struct urb *urb; 2008 unsigned int pipe; 2009 2010 if (!data->isoc_tx_ep) 2011 return ERR_PTR(-ENODEV); 2012 2013 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL); 2014 if (!urb) 2015 return ERR_PTR(-ENOMEM); 2016 2017 pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress); 2018 2019 usb_fill_int_urb(urb, data->udev, pipe, 2020 skb->data, skb->len, btusb_isoc_tx_complete, 2021 skb, data->isoc_tx_ep->bInterval); 2022 2023 urb->transfer_flags = URB_ISO_ASAP; 2024 2025 if (data->isoc_altsetting == 6) 2026 __fill_isoc_descriptor_msbc(urb, skb->len, 2027 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize), 2028 data); 2029 else 2030 __fill_isoc_descriptor(urb, skb->len, 2031 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); 2032 skb->dev = (void *)hdev; 2033 2034 return urb; 2035 } 2036 2037 static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb) 2038 { 2039 struct btusb_data *data = hci_get_drvdata(hdev); 2040 int err; 2041 2042 usb_anchor_urb(urb, &data->tx_anchor); 2043 2044 err = usb_submit_urb(urb, GFP_KERNEL); 2045 if (err < 0) { 2046 if (err != -EPERM && err != -ENODEV) 2047 bt_dev_err(hdev, "urb %p submission failed (%d)", 2048 urb, -err); 2049 kfree(urb->setup_packet); 2050 usb_unanchor_urb(urb); 2051 } else { 2052 usb_mark_last_busy(data->udev); 2053 } 2054 2055 usb_free_urb(urb); 2056 return err; 2057 } 2058 2059 static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb) 2060 { 2061 struct btusb_data *data = hci_get_drvdata(hdev); 2062 unsigned long flags; 2063 bool suspending; 2064 2065 spin_lock_irqsave(&data->txlock, flags); 2066 suspending = test_bit(BTUSB_SUSPENDING, &data->flags); 2067 if (!suspending) 2068 data->tx_in_flight++; 2069 spin_unlock_irqrestore(&data->txlock, flags); 2070 2071 if (!suspending) 2072 return submit_tx_urb(hdev, urb); 2073 2074 usb_anchor_urb(urb, &data->deferred); 2075 schedule_work(&data->waker); 2076 2077 usb_free_urb(urb); 2078 return 0; 2079 } 2080 2081 static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) 2082 { 2083 struct urb *urb; 2084 2085 BT_DBG("%s", hdev->name); 2086 2087 switch (hci_skb_pkt_type(skb)) { 2088 case HCI_COMMAND_PKT: 2089 urb = alloc_ctrl_urb(hdev, skb); 2090 if (IS_ERR(urb)) 2091 return PTR_ERR(urb); 2092 2093 hdev->stat.cmd_tx++; 2094 return submit_or_queue_tx_urb(hdev, urb); 2095 2096 case HCI_ACLDATA_PKT: 2097 urb = alloc_bulk_urb(hdev, skb); 2098 if (IS_ERR(urb)) 2099 return PTR_ERR(urb); 2100 2101 hdev->stat.acl_tx++; 2102 return submit_or_queue_tx_urb(hdev, urb); 2103 2104 case HCI_SCODATA_PKT: 2105 if (!hci_dev_test_flag(hdev, HCI_USER_CHANNEL) && 2106 hci_conn_num(hdev, SCO_LINK) < 1) 2107 return -ENODEV; 2108 2109 urb = alloc_isoc_urb(hdev, skb); 2110 if (IS_ERR(urb)) 2111 return PTR_ERR(urb); 2112 2113 hdev->stat.sco_tx++; 2114 return submit_tx_urb(hdev, urb); 2115 2116 case HCI_ISODATA_PKT: 2117 urb = alloc_bulk_urb(hdev, skb); 2118 if (IS_ERR(urb)) 2119 return PTR_ERR(urb); 2120 2121 return submit_or_queue_tx_urb(hdev, urb); 2122 } 2123 2124 return -EILSEQ; 2125 } 2126 2127 static void btusb_notify(struct hci_dev *hdev, unsigned int evt) 2128 { 2129 struct btusb_data *data = hci_get_drvdata(hdev); 2130 2131 BT_DBG("%s evt %d", hdev->name, evt); 2132 2133 if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { 2134 data->sco_num = hci_conn_num(hdev, SCO_LINK); 2135 data->air_mode = evt; 2136 schedule_work(&data->work); 2137 } 2138 } 2139 2140 static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) 2141 { 2142 struct btusb_data *data = hci_get_drvdata(hdev); 2143 struct usb_interface *intf = data->isoc; 2144 struct usb_endpoint_descriptor *ep_desc; 2145 int i, err; 2146 2147 if (!data->isoc) 2148 return -ENODEV; 2149 2150 err = usb_set_interface(data->udev, data->isoc_ifnum, altsetting); 2151 if (err < 0) { 2152 bt_dev_err(hdev, "setting interface failed (%d)", -err); 2153 return err; 2154 } 2155 2156 data->isoc_altsetting = altsetting; 2157 2158 data->isoc_tx_ep = NULL; 2159 data->isoc_rx_ep = NULL; 2160 2161 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { 2162 ep_desc = &intf->cur_altsetting->endpoint[i].desc; 2163 2164 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { 2165 data->isoc_tx_ep = ep_desc; 2166 continue; 2167 } 2168 2169 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { 2170 data->isoc_rx_ep = ep_desc; 2171 continue; 2172 } 2173 } 2174 2175 if (!data->isoc_tx_ep || !data->isoc_rx_ep) { 2176 bt_dev_err(hdev, "invalid SCO descriptors"); 2177 return -ENODEV; 2178 } 2179 2180 return 0; 2181 } 2182 2183 static int btusb_switch_alt_setting(struct hci_dev *hdev, int new_alts) 2184 { 2185 struct btusb_data *data = hci_get_drvdata(hdev); 2186 int err; 2187 2188 if (data->isoc_altsetting != new_alts) { 2189 unsigned long flags; 2190 2191 clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 2192 usb_kill_anchored_urbs(&data->isoc_anchor); 2193 2194 /* When isochronous alternate setting needs to be 2195 * changed, because SCO connection has been added 2196 * or removed, a packet fragment may be left in the 2197 * reassembling state. This could lead to wrongly 2198 * assembled fragments. 2199 * 2200 * Clear outstanding fragment when selecting a new 2201 * alternate setting. 2202 */ 2203 spin_lock_irqsave(&data->rxlock, flags); 2204 dev_kfree_skb_irq(data->sco_skb); 2205 data->sco_skb = NULL; 2206 spin_unlock_irqrestore(&data->rxlock, flags); 2207 2208 err = __set_isoc_interface(hdev, new_alts); 2209 if (err < 0) 2210 return err; 2211 } 2212 2213 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { 2214 if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) 2215 clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 2216 else 2217 btusb_submit_isoc_urb(hdev, GFP_KERNEL); 2218 } 2219 2220 return 0; 2221 } 2222 2223 static struct usb_host_interface *btusb_find_altsetting(struct btusb_data *data, 2224 int alt) 2225 { 2226 struct usb_interface *intf = data->isoc; 2227 int i; 2228 2229 BT_DBG("Looking for Alt no :%d", alt); 2230 2231 if (!intf) 2232 return NULL; 2233 2234 for (i = 0; i < intf->num_altsetting; i++) { 2235 if (intf->altsetting[i].desc.bAlternateSetting == alt) 2236 return &intf->altsetting[i]; 2237 } 2238 2239 return NULL; 2240 } 2241 2242 static void btusb_work(struct work_struct *work) 2243 { 2244 struct btusb_data *data = container_of(work, struct btusb_data, work); 2245 struct hci_dev *hdev = data->hdev; 2246 int new_alts = 0; 2247 int err; 2248 2249 if (data->sco_num > 0) { 2250 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { 2251 err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); 2252 if (err < 0) { 2253 clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 2254 usb_kill_anchored_urbs(&data->isoc_anchor); 2255 return; 2256 } 2257 2258 set_bit(BTUSB_DID_ISO_RESUME, &data->flags); 2259 } 2260 2261 if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_CVSD) { 2262 if (hdev->voice_setting & 0x0020) { 2263 static const int alts[3] = { 2, 4, 5 }; 2264 2265 new_alts = alts[data->sco_num - 1]; 2266 } else { 2267 new_alts = data->sco_num; 2268 } 2269 } else if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_TRANSP) { 2270 /* Bluetooth USB spec recommends alt 6 (63 bytes), but 2271 * many adapters do not support it. Alt 1 appears to 2272 * work for all adapters that do not have alt 6, and 2273 * which work with WBS at all. Some devices prefer 2274 * alt 3 (HCI payload >= 60 Bytes let air packet 2275 * data satisfy 60 bytes), requiring 2276 * MTU >= 3 (packets) * 25 (size) - 3 (headers) = 72 2277 * see also Core spec 5, vol 4, B 2.1.1 & Table 2.1. 2278 */ 2279 if (btusb_find_altsetting(data, 6)) 2280 new_alts = 6; 2281 else if (btusb_find_altsetting(data, 3) && 2282 hdev->sco_mtu >= 72 && 2283 test_bit(BTUSB_USE_ALT3_FOR_WBS, &data->flags)) 2284 new_alts = 3; 2285 else 2286 new_alts = 1; 2287 } 2288 2289 if (btusb_switch_alt_setting(hdev, new_alts) < 0) 2290 bt_dev_err(hdev, "set USB alt:(%d) failed!", new_alts); 2291 } else { 2292 usb_kill_anchored_urbs(&data->isoc_anchor); 2293 2294 if (test_and_clear_bit(BTUSB_ISOC_RUNNING, &data->flags)) 2295 __set_isoc_interface(hdev, 0); 2296 2297 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) 2298 usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); 2299 } 2300 } 2301 2302 static void btusb_waker(struct work_struct *work) 2303 { 2304 struct btusb_data *data = container_of(work, struct btusb_data, waker); 2305 int err; 2306 2307 err = usb_autopm_get_interface(data->intf); 2308 if (err < 0) 2309 return; 2310 2311 usb_autopm_put_interface(data->intf); 2312 } 2313 2314 static void btusb_rx_work(struct work_struct *work) 2315 { 2316 struct btusb_data *data = container_of(work, struct btusb_data, 2317 rx_work.work); 2318 struct sk_buff *skb; 2319 2320 /* Dequeue ACL data received during the interval */ 2321 while ((skb = skb_dequeue(&data->acl_q))) 2322 data->recv_acl(data->hdev, skb); 2323 } 2324 2325 static int btusb_setup_bcm92035(struct hci_dev *hdev) 2326 { 2327 struct sk_buff *skb; 2328 u8 val = 0x00; 2329 2330 BT_DBG("%s", hdev->name); 2331 2332 skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); 2333 if (IS_ERR(skb)) 2334 bt_dev_err(hdev, "BCM92035 command failed (%ld)", PTR_ERR(skb)); 2335 else 2336 kfree_skb(skb); 2337 2338 return 0; 2339 } 2340 2341 static int btusb_setup_csr(struct hci_dev *hdev) 2342 { 2343 struct btusb_data *data = hci_get_drvdata(hdev); 2344 u16 bcdDevice = le16_to_cpu(data->udev->descriptor.bcdDevice); 2345 struct hci_rp_read_local_version *rp; 2346 struct sk_buff *skb; 2347 bool is_fake = false; 2348 int ret; 2349 2350 BT_DBG("%s", hdev->name); 2351 2352 skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, 2353 HCI_INIT_TIMEOUT); 2354 if (IS_ERR(skb)) { 2355 int err = PTR_ERR(skb); 2356 bt_dev_err(hdev, "CSR: Local version failed (%d)", err); 2357 return err; 2358 } 2359 2360 rp = skb_pull_data(skb, sizeof(*rp)); 2361 if (!rp) { 2362 bt_dev_err(hdev, "CSR: Local version length mismatch"); 2363 kfree_skb(skb); 2364 return -EIO; 2365 } 2366 2367 bt_dev_info(hdev, "CSR: Setting up dongle with HCI ver=%u rev=%04x", 2368 rp->hci_ver, le16_to_cpu(rp->hci_rev)); 2369 2370 bt_dev_info(hdev, "LMP ver=%u subver=%04x; manufacturer=%u", 2371 rp->lmp_ver, le16_to_cpu(rp->lmp_subver), 2372 le16_to_cpu(rp->manufacturer)); 2373 2374 /* Detect a wide host of Chinese controllers that aren't CSR. 2375 * 2376 * Known fake bcdDevices: 0x0100, 0x0134, 0x1915, 0x2520, 0x7558, 0x8891 2377 * 2378 * The main thing they have in common is that these are really popular low-cost 2379 * options that support newer Bluetooth versions but rely on heavy VID/PID 2380 * squatting of this poor old Bluetooth 1.1 device. Even sold as such. 2381 * 2382 * We detect actual CSR devices by checking that the HCI manufacturer code 2383 * is Cambridge Silicon Radio (10) and ensuring that LMP sub-version and 2384 * HCI rev values always match. As they both store the firmware number. 2385 */ 2386 if (le16_to_cpu(rp->manufacturer) != 10 || 2387 le16_to_cpu(rp->hci_rev) != le16_to_cpu(rp->lmp_subver)) 2388 is_fake = true; 2389 2390 /* Known legit CSR firmware build numbers and their supported BT versions: 2391 * - 1.1 (0x1) -> 0x0073, 0x020d, 0x033c, 0x034e 2392 * - 1.2 (0x2) -> 0x04d9, 0x0529 2393 * - 2.0 (0x3) -> 0x07a6, 0x07ad, 0x0c5c 2394 * - 2.1 (0x4) -> 0x149c, 0x1735, 0x1899 (0x1899 is a BlueCore4-External) 2395 * - 4.0 (0x6) -> 0x1d86, 0x2031, 0x22bb 2396 * 2397 * e.g. Real CSR dongles with LMP subversion 0x73 are old enough that 2398 * support BT 1.1 only; so it's a dead giveaway when some 2399 * third-party BT 4.0 dongle reuses it. 2400 */ 2401 else if (le16_to_cpu(rp->lmp_subver) <= 0x034e && 2402 rp->hci_ver > BLUETOOTH_VER_1_1) 2403 is_fake = true; 2404 2405 else if (le16_to_cpu(rp->lmp_subver) <= 0x0529 && 2406 rp->hci_ver > BLUETOOTH_VER_1_2) 2407 is_fake = true; 2408 2409 else if (le16_to_cpu(rp->lmp_subver) <= 0x0c5c && 2410 rp->hci_ver > BLUETOOTH_VER_2_0) 2411 is_fake = true; 2412 2413 else if (le16_to_cpu(rp->lmp_subver) <= 0x1899 && 2414 rp->hci_ver > BLUETOOTH_VER_2_1) 2415 is_fake = true; 2416 2417 else if (le16_to_cpu(rp->lmp_subver) <= 0x22bb && 2418 rp->hci_ver > BLUETOOTH_VER_4_0) 2419 is_fake = true; 2420 2421 /* Other clones which beat all the above checks */ 2422 else if (bcdDevice == 0x0134 && 2423 le16_to_cpu(rp->lmp_subver) == 0x0c5c && 2424 rp->hci_ver == BLUETOOTH_VER_2_0) 2425 is_fake = true; 2426 2427 if (is_fake) { 2428 bt_dev_warn(hdev, "CSR: Unbranded CSR clone detected; adding workarounds and force-suspending once..."); 2429 2430 /* Generally these clones have big discrepancies between 2431 * advertised features and what's actually supported. 2432 * Probably will need to be expanded in the future; 2433 * without these the controller will lock up. 2434 */ 2435 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); 2436 set_bit(HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, &hdev->quirks); 2437 set_bit(HCI_QUIRK_BROKEN_FILTER_CLEAR_ALL, &hdev->quirks); 2438 set_bit(HCI_QUIRK_NO_SUSPEND_NOTIFIER, &hdev->quirks); 2439 2440 /* Clear the reset quirk since this is not an actual 2441 * early Bluetooth 1.1 device from CSR. 2442 */ 2443 clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); 2444 clear_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); 2445 2446 /* 2447 * Special workaround for these BT 4.0 chip clones, and potentially more: 2448 * 2449 * - 0x0134: a Barrot 8041a02 (HCI rev: 0x0810 sub: 0x1012) 2450 * - 0x7558: IC markings FR3191AHAL 749H15143 (HCI rev/sub-version: 0x0709) 2451 * 2452 * These controllers are really messed-up. 2453 * 2454 * 1. Their bulk RX endpoint will never report any data unless 2455 * the device was suspended at least once (yes, really). 2456 * 2. They will not wakeup when autosuspended and receiving data 2457 * on their bulk RX endpoint from e.g. a keyboard or mouse 2458 * (IOW remote-wakeup support is broken for the bulk endpoint). 2459 * 2460 * To fix 1. enable runtime-suspend, force-suspend the 2461 * HCI and then wake-it up by disabling runtime-suspend. 2462 * 2463 * To fix 2. clear the HCI's can_wake flag, this way the HCI 2464 * will still be autosuspended when it is not open. 2465 * 2466 * -- 2467 * 2468 * Because these are widespread problems we prefer generic solutions; so 2469 * apply this initialization quirk to every controller that gets here, 2470 * it should be harmless. The alternative is to not work at all. 2471 */ 2472 pm_runtime_allow(&data->udev->dev); 2473 2474 ret = pm_runtime_suspend(&data->udev->dev); 2475 if (ret >= 0) 2476 msleep(200); 2477 else 2478 bt_dev_warn(hdev, "CSR: Couldn't suspend the device for our Barrot 8041a02 receive-issue workaround"); 2479 2480 pm_runtime_forbid(&data->udev->dev); 2481 2482 device_set_wakeup_capable(&data->udev->dev, false); 2483 2484 /* Re-enable autosuspend if this was requested */ 2485 if (enable_autosuspend) 2486 usb_enable_autosuspend(data->udev); 2487 } 2488 2489 kfree_skb(skb); 2490 2491 return 0; 2492 } 2493 2494 static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode) 2495 { 2496 struct sk_buff *skb; 2497 struct hci_event_hdr *hdr; 2498 struct hci_ev_cmd_complete *evt; 2499 2500 skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL); 2501 if (!skb) 2502 return -ENOMEM; 2503 2504 hdr = skb_put(skb, sizeof(*hdr)); 2505 hdr->evt = HCI_EV_CMD_COMPLETE; 2506 hdr->plen = sizeof(*evt) + 1; 2507 2508 evt = skb_put(skb, sizeof(*evt)); 2509 evt->ncmd = 0x01; 2510 evt->opcode = cpu_to_le16(opcode); 2511 2512 skb_put_u8(skb, 0x00); 2513 2514 hci_skb_pkt_type(skb) = HCI_EVENT_PKT; 2515 2516 return hci_recv_frame(hdev, skb); 2517 } 2518 2519 static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer, 2520 int count) 2521 { 2522 struct hci_dev *hdev = data->hdev; 2523 2524 /* When the device is in bootloader mode, then it can send 2525 * events via the bulk endpoint. These events are treated the 2526 * same way as the ones received from the interrupt endpoint. 2527 */ 2528 if (btintel_test_flag(hdev, INTEL_BOOTLOADER)) 2529 return btusb_recv_intr(data, buffer, count); 2530 2531 return btusb_recv_bulk(data, buffer, count); 2532 } 2533 2534 static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb) 2535 { 2536 struct urb *urb; 2537 2538 BT_DBG("%s", hdev->name); 2539 2540 switch (hci_skb_pkt_type(skb)) { 2541 case HCI_COMMAND_PKT: 2542 if (btintel_test_flag(hdev, INTEL_BOOTLOADER)) { 2543 struct hci_command_hdr *cmd = (void *)skb->data; 2544 __u16 opcode = le16_to_cpu(cmd->opcode); 2545 2546 /* When in bootloader mode and the command 0xfc09 2547 * is received, it needs to be send down the 2548 * bulk endpoint. So allocate a bulk URB instead. 2549 */ 2550 if (opcode == 0xfc09) 2551 urb = alloc_bulk_urb(hdev, skb); 2552 else 2553 urb = alloc_ctrl_urb(hdev, skb); 2554 2555 /* When the 0xfc01 command is issued to boot into 2556 * the operational firmware, it will actually not 2557 * send a command complete event. To keep the flow 2558 * control working inject that event here. 2559 */ 2560 if (opcode == 0xfc01) 2561 inject_cmd_complete(hdev, opcode); 2562 } else { 2563 urb = alloc_ctrl_urb(hdev, skb); 2564 } 2565 if (IS_ERR(urb)) 2566 return PTR_ERR(urb); 2567 2568 hdev->stat.cmd_tx++; 2569 return submit_or_queue_tx_urb(hdev, urb); 2570 2571 case HCI_ACLDATA_PKT: 2572 urb = alloc_bulk_urb(hdev, skb); 2573 if (IS_ERR(urb)) 2574 return PTR_ERR(urb); 2575 2576 hdev->stat.acl_tx++; 2577 return submit_or_queue_tx_urb(hdev, urb); 2578 2579 case HCI_SCODATA_PKT: 2580 if (!hci_dev_test_flag(hdev, HCI_USER_CHANNEL) && 2581 hci_conn_num(hdev, SCO_LINK) < 1) 2582 return -ENODEV; 2583 2584 urb = alloc_isoc_urb(hdev, skb); 2585 if (IS_ERR(urb)) 2586 return PTR_ERR(urb); 2587 2588 hdev->stat.sco_tx++; 2589 return submit_tx_urb(hdev, urb); 2590 2591 case HCI_ISODATA_PKT: 2592 urb = alloc_bulk_urb(hdev, skb); 2593 if (IS_ERR(urb)) 2594 return PTR_ERR(urb); 2595 2596 return submit_or_queue_tx_urb(hdev, urb); 2597 } 2598 2599 return -EILSEQ; 2600 } 2601 2602 static int btusb_setup_realtek(struct hci_dev *hdev) 2603 { 2604 struct btusb_data *data = hci_get_drvdata(hdev); 2605 int ret; 2606 2607 ret = btrtl_setup_realtek(hdev); 2608 2609 if (btrealtek_test_flag(data->hdev, REALTEK_ALT6_CONTINUOUS_TX_CHIP)) 2610 set_bit(BTUSB_ALT6_CONTINUOUS_TX, &data->flags); 2611 2612 return ret; 2613 } 2614 2615 static int btusb_recv_event_realtek(struct hci_dev *hdev, struct sk_buff *skb) 2616 { 2617 if (skb->data[0] == HCI_VENDOR_PKT && skb->data[2] == RTK_SUB_EVENT_CODE_COREDUMP) { 2618 struct rtk_dev_coredump_hdr hdr = { 2619 .code = RTK_DEVCOREDUMP_CODE_MEMDUMP, 2620 }; 2621 2622 bt_dev_dbg(hdev, "RTL: received coredump vendor evt, len %u", 2623 skb->len); 2624 2625 btusb_rtl_alloc_devcoredump(hdev, &hdr, skb->data, skb->len); 2626 kfree_skb(skb); 2627 2628 return 0; 2629 } 2630 2631 return hci_recv_frame(hdev, skb); 2632 } 2633 2634 static void btusb_mtk_claim_iso_intf(struct btusb_data *data) 2635 { 2636 struct btmtk_data *btmtk_data = hci_get_priv(data->hdev); 2637 int err; 2638 2639 /* 2640 * The function usb_driver_claim_interface() is documented to need 2641 * locks held if it's not called from a probe routine. The code here 2642 * is called from the hci_power_on workqueue, so grab the lock. 2643 */ 2644 device_lock(&btmtk_data->isopkt_intf->dev); 2645 err = usb_driver_claim_interface(&btusb_driver, 2646 btmtk_data->isopkt_intf, data); 2647 device_unlock(&btmtk_data->isopkt_intf->dev); 2648 if (err < 0) { 2649 btmtk_data->isopkt_intf = NULL; 2650 bt_dev_err(data->hdev, "Failed to claim iso interface"); 2651 return; 2652 } 2653 2654 set_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags); 2655 init_usb_anchor(&btmtk_data->isopkt_anchor); 2656 } 2657 2658 static void btusb_mtk_release_iso_intf(struct hci_dev *hdev) 2659 { 2660 struct btmtk_data *btmtk_data = hci_get_priv(hdev); 2661 2662 if (test_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags)) { 2663 usb_kill_anchored_urbs(&btmtk_data->isopkt_anchor); 2664 clear_bit(BTMTK_ISOPKT_RUNNING, &btmtk_data->flags); 2665 2666 dev_kfree_skb_irq(btmtk_data->isopkt_skb); 2667 btmtk_data->isopkt_skb = NULL; 2668 usb_set_intfdata(btmtk_data->isopkt_intf, NULL); 2669 usb_driver_release_interface(&btusb_driver, 2670 btmtk_data->isopkt_intf); 2671 } 2672 2673 clear_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags); 2674 } 2675 2676 static int btusb_mtk_disconnect(struct hci_dev *hdev) 2677 { 2678 /* This function describes the specific additional steps taken by MediaTek 2679 * when Bluetooth usb driver's resume function is called. 2680 */ 2681 btusb_mtk_release_iso_intf(hdev); 2682 2683 return 0; 2684 } 2685 2686 static int btusb_mtk_reset(struct hci_dev *hdev, void *rst_data) 2687 { 2688 struct btusb_data *data = hci_get_drvdata(hdev); 2689 struct btmtk_data *btmtk_data = hci_get_priv(hdev); 2690 int err; 2691 2692 /* It's MediaTek specific bluetooth reset mechanism via USB */ 2693 if (test_and_set_bit(BTMTK_HW_RESET_ACTIVE, &btmtk_data->flags)) { 2694 bt_dev_err(hdev, "last reset failed? Not resetting again"); 2695 return -EBUSY; 2696 } 2697 2698 err = usb_autopm_get_interface(data->intf); 2699 if (err < 0) 2700 return err; 2701 2702 /* Release MediaTek ISO data interface */ 2703 btusb_mtk_release_iso_intf(hdev); 2704 2705 btusb_stop_traffic(data); 2706 usb_kill_anchored_urbs(&data->tx_anchor); 2707 2708 err = btmtk_usb_subsys_reset(hdev, btmtk_data->dev_id); 2709 2710 usb_queue_reset_device(data->intf); 2711 clear_bit(BTMTK_HW_RESET_ACTIVE, &btmtk_data->flags); 2712 2713 return err; 2714 } 2715 2716 static int btusb_send_frame_mtk(struct hci_dev *hdev, struct sk_buff *skb) 2717 { 2718 struct urb *urb; 2719 2720 BT_DBG("%s", hdev->name); 2721 2722 if (hci_skb_pkt_type(skb) == HCI_ISODATA_PKT) { 2723 urb = alloc_mtk_intr_urb(hdev, skb, btusb_tx_complete); 2724 if (IS_ERR(urb)) 2725 return PTR_ERR(urb); 2726 2727 return submit_or_queue_tx_urb(hdev, urb); 2728 } else { 2729 return btusb_send_frame(hdev, skb); 2730 } 2731 } 2732 2733 static int btusb_mtk_setup(struct hci_dev *hdev) 2734 { 2735 struct btusb_data *data = hci_get_drvdata(hdev); 2736 struct btmtk_data *btmtk_data = hci_get_priv(hdev); 2737 2738 /* MediaTek WMT vendor cmd requiring below USB resources to 2739 * complete the handshake. 2740 */ 2741 btmtk_data->drv_name = btusb_driver.name; 2742 btmtk_data->intf = data->intf; 2743 btmtk_data->udev = data->udev; 2744 btmtk_data->ctrl_anchor = &data->ctrl_anchor; 2745 btmtk_data->reset_sync = btusb_mtk_reset; 2746 2747 /* Claim ISO data interface and endpoint */ 2748 if (!test_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags)) { 2749 btmtk_data->isopkt_intf = usb_ifnum_to_if(data->udev, MTK_ISO_IFNUM); 2750 btusb_mtk_claim_iso_intf(data); 2751 } 2752 2753 return btmtk_usb_setup(hdev); 2754 } 2755 2756 static int btusb_mtk_shutdown(struct hci_dev *hdev) 2757 { 2758 int ret; 2759 2760 ret = btmtk_usb_shutdown(hdev); 2761 2762 /* Release MediaTek iso interface after shutdown */ 2763 btusb_mtk_release_iso_intf(hdev); 2764 2765 return ret; 2766 } 2767 2768 #ifdef CONFIG_PM 2769 /* Configure an out-of-band gpio as wake-up pin, if specified in device tree */ 2770 static int marvell_config_oob_wake(struct hci_dev *hdev) 2771 { 2772 struct sk_buff *skb; 2773 struct btusb_data *data = hci_get_drvdata(hdev); 2774 struct device *dev = &data->udev->dev; 2775 u16 pin, gap, opcode; 2776 int ret; 2777 u8 cmd[5]; 2778 2779 /* Move on if no wakeup pin specified */ 2780 if (of_property_read_u16(dev->of_node, "marvell,wakeup-pin", &pin) || 2781 of_property_read_u16(dev->of_node, "marvell,wakeup-gap-ms", &gap)) 2782 return 0; 2783 2784 /* Vendor specific command to configure a GPIO as wake-up pin */ 2785 opcode = hci_opcode_pack(0x3F, 0x59); 2786 cmd[0] = opcode & 0xFF; 2787 cmd[1] = opcode >> 8; 2788 cmd[2] = 2; /* length of parameters that follow */ 2789 cmd[3] = pin; 2790 cmd[4] = gap; /* time in ms, for which wakeup pin should be asserted */ 2791 2792 skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); 2793 if (!skb) { 2794 bt_dev_err(hdev, "%s: No memory", __func__); 2795 return -ENOMEM; 2796 } 2797 2798 skb_put_data(skb, cmd, sizeof(cmd)); 2799 hci_skb_pkt_type(skb) = HCI_COMMAND_PKT; 2800 2801 ret = btusb_send_frame(hdev, skb); 2802 if (ret) { 2803 bt_dev_err(hdev, "%s: configuration failed", __func__); 2804 kfree_skb(skb); 2805 return ret; 2806 } 2807 2808 return 0; 2809 } 2810 #endif 2811 2812 static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, 2813 const bdaddr_t *bdaddr) 2814 { 2815 struct sk_buff *skb; 2816 u8 buf[8]; 2817 long ret; 2818 2819 buf[0] = 0xfe; 2820 buf[1] = sizeof(bdaddr_t); 2821 memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); 2822 2823 skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT); 2824 if (IS_ERR(skb)) { 2825 ret = PTR_ERR(skb); 2826 bt_dev_err(hdev, "changing Marvell device address failed (%ld)", 2827 ret); 2828 return ret; 2829 } 2830 kfree_skb(skb); 2831 2832 return 0; 2833 } 2834 2835 static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, 2836 const bdaddr_t *bdaddr) 2837 { 2838 struct sk_buff *skb; 2839 u8 buf[10]; 2840 long ret; 2841 2842 buf[0] = 0x01; 2843 buf[1] = 0x01; 2844 buf[2] = 0x00; 2845 buf[3] = sizeof(bdaddr_t); 2846 memcpy(buf + 4, bdaddr, sizeof(bdaddr_t)); 2847 2848 skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT); 2849 if (IS_ERR(skb)) { 2850 ret = PTR_ERR(skb); 2851 bt_dev_err(hdev, "Change address command failed (%ld)", ret); 2852 return ret; 2853 } 2854 kfree_skb(skb); 2855 2856 return 0; 2857 } 2858 2859 static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev, 2860 const bdaddr_t *bdaddr) 2861 { 2862 struct sk_buff *skb; 2863 u8 buf[6]; 2864 long ret; 2865 2866 memcpy(buf, bdaddr, sizeof(bdaddr_t)); 2867 2868 skb = __hci_cmd_sync_ev(hdev, 0xfc14, sizeof(buf), buf, 2869 HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT); 2870 if (IS_ERR(skb)) { 2871 ret = PTR_ERR(skb); 2872 bt_dev_err(hdev, "Change address command failed (%ld)", ret); 2873 return ret; 2874 } 2875 kfree_skb(skb); 2876 2877 return 0; 2878 } 2879 2880 #define QCA_MEMDUMP_ACL_HANDLE 0x2EDD 2881 #define QCA_MEMDUMP_SIZE_MAX 0x100000 2882 #define QCA_MEMDUMP_VSE_CLASS 0x01 2883 #define QCA_MEMDUMP_MSG_TYPE 0x08 2884 #define QCA_MEMDUMP_PKT_SIZE 248 2885 #define QCA_LAST_SEQUENCE_NUM 0xffff 2886 2887 struct qca_dump_hdr { 2888 u8 vse_class; 2889 u8 msg_type; 2890 __le16 seqno; 2891 u8 reserved; 2892 union { 2893 u8 data[0]; 2894 struct { 2895 __le32 ram_dump_size; 2896 u8 data0[0]; 2897 } __packed; 2898 }; 2899 } __packed; 2900 2901 2902 static void btusb_dump_hdr_qca(struct hci_dev *hdev, struct sk_buff *skb) 2903 { 2904 char buf[128]; 2905 struct btusb_data *btdata = hci_get_drvdata(hdev); 2906 2907 snprintf(buf, sizeof(buf), "Controller Name: 0x%x\n", 2908 btdata->qca_dump.controller_id); 2909 skb_put_data(skb, buf, strlen(buf)); 2910 2911 snprintf(buf, sizeof(buf), "Firmware Version: 0x%x\n", 2912 btdata->qca_dump.fw_version); 2913 skb_put_data(skb, buf, strlen(buf)); 2914 2915 snprintf(buf, sizeof(buf), "Driver: %s\nVendor: qca\n", 2916 btusb_driver.name); 2917 skb_put_data(skb, buf, strlen(buf)); 2918 2919 snprintf(buf, sizeof(buf), "VID: 0x%x\nPID:0x%x\n", 2920 btdata->qca_dump.id_vendor, btdata->qca_dump.id_product); 2921 skb_put_data(skb, buf, strlen(buf)); 2922 2923 snprintf(buf, sizeof(buf), "Lmp Subversion: 0x%x\n", 2924 hdev->lmp_subver); 2925 skb_put_data(skb, buf, strlen(buf)); 2926 } 2927 2928 static void btusb_coredump_qca(struct hci_dev *hdev) 2929 { 2930 int err; 2931 static const u8 param[] = { 0x26 }; 2932 2933 err = __hci_cmd_send(hdev, 0xfc0c, 1, param); 2934 if (err < 0) 2935 bt_dev_err(hdev, "%s: triggle crash failed (%d)", __func__, err); 2936 } 2937 2938 /* 2939 * ==0: not a dump pkt. 2940 * < 0: fails to handle a dump pkt 2941 * > 0: otherwise. 2942 */ 2943 static int handle_dump_pkt_qca(struct hci_dev *hdev, struct sk_buff *skb) 2944 { 2945 int ret = 1; 2946 u8 pkt_type; 2947 u8 *sk_ptr; 2948 unsigned int sk_len; 2949 u16 seqno; 2950 u32 dump_size; 2951 2952 struct hci_event_hdr *event_hdr; 2953 struct hci_acl_hdr *acl_hdr; 2954 struct qca_dump_hdr *dump_hdr; 2955 struct btusb_data *btdata = hci_get_drvdata(hdev); 2956 struct usb_device *udev = btdata->udev; 2957 2958 pkt_type = hci_skb_pkt_type(skb); 2959 sk_ptr = skb->data; 2960 sk_len = skb->len; 2961 2962 if (pkt_type == HCI_ACLDATA_PKT) { 2963 acl_hdr = hci_acl_hdr(skb); 2964 if (le16_to_cpu(acl_hdr->handle) != QCA_MEMDUMP_ACL_HANDLE) 2965 return 0; 2966 sk_ptr += HCI_ACL_HDR_SIZE; 2967 sk_len -= HCI_ACL_HDR_SIZE; 2968 event_hdr = (struct hci_event_hdr *)sk_ptr; 2969 } else { 2970 event_hdr = hci_event_hdr(skb); 2971 } 2972 2973 if ((event_hdr->evt != HCI_VENDOR_PKT) 2974 || (event_hdr->plen != (sk_len - HCI_EVENT_HDR_SIZE))) 2975 return 0; 2976 2977 sk_ptr += HCI_EVENT_HDR_SIZE; 2978 sk_len -= HCI_EVENT_HDR_SIZE; 2979 2980 dump_hdr = (struct qca_dump_hdr *)sk_ptr; 2981 if ((sk_len < offsetof(struct qca_dump_hdr, data)) 2982 || (dump_hdr->vse_class != QCA_MEMDUMP_VSE_CLASS) 2983 || (dump_hdr->msg_type != QCA_MEMDUMP_MSG_TYPE)) 2984 return 0; 2985 2986 /*it is dump pkt now*/ 2987 seqno = le16_to_cpu(dump_hdr->seqno); 2988 if (seqno == 0) { 2989 set_bit(BTUSB_HW_SSR_ACTIVE, &btdata->flags); 2990 dump_size = le32_to_cpu(dump_hdr->ram_dump_size); 2991 if (!dump_size || (dump_size > QCA_MEMDUMP_SIZE_MAX)) { 2992 ret = -EILSEQ; 2993 bt_dev_err(hdev, "Invalid memdump size(%u)", 2994 dump_size); 2995 goto out; 2996 } 2997 2998 ret = hci_devcd_init(hdev, dump_size); 2999 if (ret < 0) { 3000 bt_dev_err(hdev, "memdump init error(%d)", ret); 3001 goto out; 3002 } 3003 3004 btdata->qca_dump.ram_dump_size = dump_size; 3005 btdata->qca_dump.ram_dump_seqno = 0; 3006 sk_ptr += offsetof(struct qca_dump_hdr, data0); 3007 sk_len -= offsetof(struct qca_dump_hdr, data0); 3008 3009 usb_disable_autosuspend(udev); 3010 bt_dev_info(hdev, "%s memdump size(%u)\n", 3011 (pkt_type == HCI_ACLDATA_PKT) ? "ACL" : "event", 3012 dump_size); 3013 } else { 3014 sk_ptr += offsetof(struct qca_dump_hdr, data); 3015 sk_len -= offsetof(struct qca_dump_hdr, data); 3016 } 3017 3018 if (!btdata->qca_dump.ram_dump_size) { 3019 ret = -EINVAL; 3020 bt_dev_err(hdev, "memdump is not active"); 3021 goto out; 3022 } 3023 3024 if ((seqno > btdata->qca_dump.ram_dump_seqno + 1) && (seqno != QCA_LAST_SEQUENCE_NUM)) { 3025 dump_size = QCA_MEMDUMP_PKT_SIZE * (seqno - btdata->qca_dump.ram_dump_seqno - 1); 3026 hci_devcd_append_pattern(hdev, 0x0, dump_size); 3027 bt_dev_err(hdev, 3028 "expected memdump seqno(%u) is not received(%u)\n", 3029 btdata->qca_dump.ram_dump_seqno, seqno); 3030 btdata->qca_dump.ram_dump_seqno = seqno; 3031 kfree_skb(skb); 3032 return ret; 3033 } 3034 3035 skb_pull(skb, skb->len - sk_len); 3036 hci_devcd_append(hdev, skb); 3037 btdata->qca_dump.ram_dump_seqno++; 3038 if (seqno == QCA_LAST_SEQUENCE_NUM) { 3039 bt_dev_info(hdev, 3040 "memdump done: pkts(%u), total(%u)\n", 3041 btdata->qca_dump.ram_dump_seqno, btdata->qca_dump.ram_dump_size); 3042 3043 hci_devcd_complete(hdev); 3044 goto out; 3045 } 3046 return ret; 3047 3048 out: 3049 if (btdata->qca_dump.ram_dump_size) 3050 usb_enable_autosuspend(udev); 3051 btdata->qca_dump.ram_dump_size = 0; 3052 btdata->qca_dump.ram_dump_seqno = 0; 3053 clear_bit(BTUSB_HW_SSR_ACTIVE, &btdata->flags); 3054 3055 if (ret < 0) 3056 kfree_skb(skb); 3057 return ret; 3058 } 3059 3060 static int btusb_recv_acl_qca(struct hci_dev *hdev, struct sk_buff *skb) 3061 { 3062 if (handle_dump_pkt_qca(hdev, skb)) 3063 return 0; 3064 return hci_recv_frame(hdev, skb); 3065 } 3066 3067 static int btusb_recv_evt_qca(struct hci_dev *hdev, struct sk_buff *skb) 3068 { 3069 if (handle_dump_pkt_qca(hdev, skb)) 3070 return 0; 3071 return hci_recv_frame(hdev, skb); 3072 } 3073 3074 3075 #define QCA_DFU_PACKET_LEN 4096 3076 3077 #define QCA_GET_TARGET_VERSION 0x09 3078 #define QCA_CHECK_STATUS 0x05 3079 #define QCA_DFU_DOWNLOAD 0x01 3080 3081 #define QCA_SYSCFG_UPDATED 0x40 3082 #define QCA_PATCH_UPDATED 0x80 3083 #define QCA_DFU_TIMEOUT 3000 3084 #define QCA_FLAG_MULTI_NVM 0x80 3085 #define QCA_BT_RESET_WAIT_MS 100 3086 3087 #define WCN6855_2_0_RAM_VERSION_GF 0x400c1200 3088 #define WCN6855_2_1_RAM_VERSION_GF 0x400c1211 3089 3090 struct qca_version { 3091 __le32 rom_version; 3092 __le32 patch_version; 3093 __le32 ram_version; 3094 __u8 chip_id; 3095 __u8 platform_id; 3096 __le16 flag; 3097 __u8 reserved[4]; 3098 } __packed; 3099 3100 struct qca_rampatch_version { 3101 __le16 rom_version_high; 3102 __le16 rom_version_low; 3103 __le16 patch_version; 3104 } __packed; 3105 3106 struct qca_device_info { 3107 u32 rom_version; 3108 u8 rampatch_hdr; /* length of header in rampatch */ 3109 u8 nvm_hdr; /* length of header in NVM */ 3110 u8 ver_offset; /* offset of version structure in rampatch */ 3111 }; 3112 3113 static const struct qca_device_info qca_devices_table[] = { 3114 { 0x00000100, 20, 4, 8 }, /* Rome 1.0 */ 3115 { 0x00000101, 20, 4, 8 }, /* Rome 1.1 */ 3116 { 0x00000200, 28, 4, 16 }, /* Rome 2.0 */ 3117 { 0x00000201, 28, 4, 16 }, /* Rome 2.1 */ 3118 { 0x00000300, 28, 4, 16 }, /* Rome 3.0 */ 3119 { 0x00000302, 28, 4, 16 }, /* Rome 3.2 */ 3120 { 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */ 3121 { 0x00130200, 40, 4, 16 }, /* WCN6855 2.0 */ 3122 { 0x00130201, 40, 4, 16 }, /* WCN6855 2.1 */ 3123 { 0x00190200, 40, 4, 16 }, /* WCN785x 2.0 */ 3124 }; 3125 3126 static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request, 3127 void *data, u16 size) 3128 { 3129 int pipe, err; 3130 u8 *buf; 3131 3132 buf = kmalloc(size, GFP_KERNEL); 3133 if (!buf) 3134 return -ENOMEM; 3135 3136 /* Found some of USB hosts have IOT issues with ours so that we should 3137 * not wait until HCI layer is ready. 3138 */ 3139 pipe = usb_rcvctrlpipe(udev, 0); 3140 err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN, 3141 0, 0, buf, size, USB_CTRL_GET_TIMEOUT); 3142 if (err < 0) { 3143 dev_err(&udev->dev, "Failed to access otp area (%d)", err); 3144 goto done; 3145 } 3146 3147 memcpy(data, buf, size); 3148 3149 done: 3150 kfree(buf); 3151 3152 return err; 3153 } 3154 3155 static int btusb_setup_qca_download_fw(struct hci_dev *hdev, 3156 const struct firmware *firmware, 3157 size_t hdr_size) 3158 { 3159 struct btusb_data *btdata = hci_get_drvdata(hdev); 3160 struct usb_device *udev = btdata->udev; 3161 size_t count, size, sent = 0; 3162 int pipe, len, err; 3163 u8 *buf; 3164 3165 buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL); 3166 if (!buf) 3167 return -ENOMEM; 3168 3169 count = firmware->size; 3170 3171 size = min_t(size_t, count, hdr_size); 3172 memcpy(buf, firmware->data, size); 3173 3174 /* USB patches should go down to controller through USB path 3175 * because binary format fits to go down through USB channel. 3176 * USB control path is for patching headers and USB bulk is for 3177 * patch body. 3178 */ 3179 pipe = usb_sndctrlpipe(udev, 0); 3180 err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR, 3181 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); 3182 if (err < 0) { 3183 bt_dev_err(hdev, "Failed to send headers (%d)", err); 3184 goto done; 3185 } 3186 3187 sent += size; 3188 count -= size; 3189 3190 /* ep2 need time to switch from function acl to function dfu, 3191 * so we add 20ms delay here. 3192 */ 3193 msleep(20); 3194 3195 while (count) { 3196 size = min_t(size_t, count, QCA_DFU_PACKET_LEN); 3197 3198 memcpy(buf, firmware->data + sent, size); 3199 3200 pipe = usb_sndbulkpipe(udev, 0x02); 3201 err = usb_bulk_msg(udev, pipe, buf, size, &len, 3202 QCA_DFU_TIMEOUT); 3203 if (err < 0) { 3204 bt_dev_err(hdev, "Failed to send body at %zd of %zd (%d)", 3205 sent, firmware->size, err); 3206 break; 3207 } 3208 3209 if (size != len) { 3210 bt_dev_err(hdev, "Failed to get bulk buffer"); 3211 err = -EILSEQ; 3212 break; 3213 } 3214 3215 sent += size; 3216 count -= size; 3217 } 3218 3219 done: 3220 kfree(buf); 3221 return err; 3222 } 3223 3224 static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev, 3225 struct qca_version *ver, 3226 const struct qca_device_info *info) 3227 { 3228 struct qca_rampatch_version *rver; 3229 const struct firmware *fw; 3230 u32 ver_rom, ver_patch, rver_rom; 3231 u16 rver_rom_low, rver_rom_high, rver_patch; 3232 char fwname[64]; 3233 int err; 3234 3235 ver_rom = le32_to_cpu(ver->rom_version); 3236 ver_patch = le32_to_cpu(ver->patch_version); 3237 3238 snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom); 3239 3240 err = request_firmware(&fw, fwname, &hdev->dev); 3241 if (err) { 3242 bt_dev_err(hdev, "failed to request rampatch file: %s (%d)", 3243 fwname, err); 3244 return err; 3245 } 3246 3247 bt_dev_info(hdev, "using rampatch file: %s", fwname); 3248 3249 rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset); 3250 rver_rom_low = le16_to_cpu(rver->rom_version_low); 3251 rver_patch = le16_to_cpu(rver->patch_version); 3252 3253 if (ver_rom & ~0xffffU) { 3254 rver_rom_high = le16_to_cpu(rver->rom_version_high); 3255 rver_rom = rver_rom_high << 16 | rver_rom_low; 3256 } else { 3257 rver_rom = rver_rom_low; 3258 } 3259 3260 bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, " 3261 "firmware rome 0x%x build 0x%x", 3262 rver_rom, rver_patch, ver_rom, ver_patch); 3263 3264 if (rver_rom != ver_rom || rver_patch <= ver_patch) { 3265 bt_dev_err(hdev, "rampatch file version did not match with firmware"); 3266 err = -EINVAL; 3267 goto done; 3268 } 3269 3270 err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr); 3271 3272 done: 3273 release_firmware(fw); 3274 3275 return err; 3276 } 3277 3278 static void btusb_generate_qca_nvm_name(char *fwname, size_t max_size, 3279 const struct qca_version *ver) 3280 { 3281 u32 rom_version = le32_to_cpu(ver->rom_version); 3282 u16 flag = le16_to_cpu(ver->flag); 3283 3284 if (((flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) { 3285 /* The board_id should be split into two bytes 3286 * The 1st byte is chip ID, and the 2nd byte is platform ID 3287 * For example, board ID 0x010A, 0x01 is platform ID. 0x0A is chip ID 3288 * we have several platforms, and platform IDs are continuously added 3289 * Platform ID: 3290 * 0x00 is for Mobile 3291 * 0x01 is for X86 3292 * 0x02 is for Automotive 3293 * 0x03 is for Consumer electronic 3294 */ 3295 u16 board_id = (ver->chip_id << 8) + ver->platform_id; 3296 const char *variant; 3297 3298 switch (le32_to_cpu(ver->ram_version)) { 3299 case WCN6855_2_0_RAM_VERSION_GF: 3300 case WCN6855_2_1_RAM_VERSION_GF: 3301 variant = "_gf"; 3302 break; 3303 default: 3304 variant = ""; 3305 break; 3306 } 3307 3308 if (board_id == 0) { 3309 snprintf(fwname, max_size, "qca/nvm_usb_%08x%s.bin", 3310 rom_version, variant); 3311 } else { 3312 snprintf(fwname, max_size, "qca/nvm_usb_%08x%s_%04x.bin", 3313 rom_version, variant, board_id); 3314 } 3315 } else { 3316 snprintf(fwname, max_size, "qca/nvm_usb_%08x.bin", 3317 rom_version); 3318 } 3319 3320 } 3321 3322 static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, 3323 struct qca_version *ver, 3324 const struct qca_device_info *info) 3325 { 3326 const struct firmware *fw; 3327 char fwname[64]; 3328 int err; 3329 3330 btusb_generate_qca_nvm_name(fwname, sizeof(fwname), ver); 3331 3332 err = request_firmware(&fw, fwname, &hdev->dev); 3333 if (err) { 3334 bt_dev_err(hdev, "failed to request NVM file: %s (%d)", 3335 fwname, err); 3336 return err; 3337 } 3338 3339 bt_dev_info(hdev, "using NVM file: %s", fwname); 3340 3341 err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr); 3342 3343 release_firmware(fw); 3344 3345 return err; 3346 } 3347 3348 /* identify the ROM version and check whether patches are needed */ 3349 static bool btusb_qca_need_patch(struct usb_device *udev) 3350 { 3351 struct qca_version ver; 3352 3353 if (btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver, 3354 sizeof(ver)) < 0) 3355 return false; 3356 /* only low ROM versions need patches */ 3357 return !(le32_to_cpu(ver.rom_version) & ~0xffffU); 3358 } 3359 3360 static int btusb_setup_qca(struct hci_dev *hdev) 3361 { 3362 struct btusb_data *btdata = hci_get_drvdata(hdev); 3363 struct usb_device *udev = btdata->udev; 3364 const struct qca_device_info *info = NULL; 3365 struct qca_version ver; 3366 u32 ver_rom; 3367 u8 status; 3368 int i, err; 3369 3370 err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver, 3371 sizeof(ver)); 3372 if (err < 0) 3373 return err; 3374 3375 ver_rom = le32_to_cpu(ver.rom_version); 3376 3377 for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) { 3378 if (ver_rom == qca_devices_table[i].rom_version) 3379 info = &qca_devices_table[i]; 3380 } 3381 if (!info) { 3382 /* If the rom_version is not matched in the qca_devices_table 3383 * and the high ROM version is not zero, we assume this chip no 3384 * need to load the rampatch and nvm. 3385 */ 3386 if (ver_rom & ~0xffffU) 3387 return 0; 3388 3389 bt_dev_err(hdev, "don't support firmware rome 0x%x", ver_rom); 3390 return -ENODEV; 3391 } 3392 3393 err = btusb_qca_send_vendor_req(udev, QCA_CHECK_STATUS, &status, 3394 sizeof(status)); 3395 if (err < 0) 3396 return err; 3397 3398 if (!(status & QCA_PATCH_UPDATED)) { 3399 err = btusb_setup_qca_load_rampatch(hdev, &ver, info); 3400 if (err < 0) 3401 return err; 3402 } 3403 3404 err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver, 3405 sizeof(ver)); 3406 if (err < 0) 3407 return err; 3408 3409 btdata->qca_dump.fw_version = le32_to_cpu(ver.patch_version); 3410 btdata->qca_dump.controller_id = le32_to_cpu(ver.rom_version); 3411 3412 if (!(status & QCA_SYSCFG_UPDATED)) { 3413 err = btusb_setup_qca_load_nvm(hdev, &ver, info); 3414 if (err < 0) 3415 return err; 3416 3417 /* WCN6855 2.1 and later will reset to apply firmware downloaded here, so 3418 * wait ~100ms for reset Done then go ahead, otherwise, it maybe 3419 * cause potential enable failure. 3420 */ 3421 if (info->rom_version >= 0x00130201) 3422 msleep(QCA_BT_RESET_WAIT_MS); 3423 } 3424 3425 /* Mark HCI_OP_ENHANCED_SETUP_SYNC_CONN as broken as it doesn't seem to 3426 * work with the likes of HSP/HFP mSBC. 3427 */ 3428 set_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &hdev->quirks); 3429 3430 return 0; 3431 } 3432 3433 static inline int __set_diag_interface(struct hci_dev *hdev) 3434 { 3435 struct btusb_data *data = hci_get_drvdata(hdev); 3436 struct usb_interface *intf = data->diag; 3437 int i; 3438 3439 if (!data->diag) 3440 return -ENODEV; 3441 3442 data->diag_tx_ep = NULL; 3443 data->diag_rx_ep = NULL; 3444 3445 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { 3446 struct usb_endpoint_descriptor *ep_desc; 3447 3448 ep_desc = &intf->cur_altsetting->endpoint[i].desc; 3449 3450 if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { 3451 data->diag_tx_ep = ep_desc; 3452 continue; 3453 } 3454 3455 if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { 3456 data->diag_rx_ep = ep_desc; 3457 continue; 3458 } 3459 } 3460 3461 if (!data->diag_tx_ep || !data->diag_rx_ep) { 3462 bt_dev_err(hdev, "invalid diagnostic descriptors"); 3463 return -ENODEV; 3464 } 3465 3466 return 0; 3467 } 3468 3469 static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable) 3470 { 3471 struct btusb_data *data = hci_get_drvdata(hdev); 3472 struct sk_buff *skb; 3473 struct urb *urb; 3474 unsigned int pipe; 3475 3476 if (!data->diag_tx_ep) 3477 return ERR_PTR(-ENODEV); 3478 3479 urb = usb_alloc_urb(0, GFP_KERNEL); 3480 if (!urb) 3481 return ERR_PTR(-ENOMEM); 3482 3483 skb = bt_skb_alloc(2, GFP_KERNEL); 3484 if (!skb) { 3485 usb_free_urb(urb); 3486 return ERR_PTR(-ENOMEM); 3487 } 3488 3489 skb_put_u8(skb, 0xf0); 3490 skb_put_u8(skb, enable); 3491 3492 pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress); 3493 3494 usb_fill_bulk_urb(urb, data->udev, pipe, 3495 skb->data, skb->len, btusb_tx_complete, skb); 3496 3497 skb->dev = (void *)hdev; 3498 3499 return urb; 3500 } 3501 3502 static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable) 3503 { 3504 struct btusb_data *data = hci_get_drvdata(hdev); 3505 struct urb *urb; 3506 3507 if (!data->diag) 3508 return -ENODEV; 3509 3510 if (!test_bit(HCI_RUNNING, &hdev->flags)) 3511 return -ENETDOWN; 3512 3513 urb = alloc_diag_urb(hdev, enable); 3514 if (IS_ERR(urb)) 3515 return PTR_ERR(urb); 3516 3517 return submit_or_queue_tx_urb(hdev, urb); 3518 } 3519 3520 #ifdef CONFIG_PM 3521 static irqreturn_t btusb_oob_wake_handler(int irq, void *priv) 3522 { 3523 struct btusb_data *data = priv; 3524 3525 pm_wakeup_event(&data->udev->dev, 0); 3526 pm_system_wakeup(); 3527 3528 /* Disable only if not already disabled (keep it balanced) */ 3529 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) { 3530 disable_irq_nosync(irq); 3531 disable_irq_wake(irq); 3532 } 3533 return IRQ_HANDLED; 3534 } 3535 3536 static const struct of_device_id btusb_match_table[] = { 3537 { .compatible = "usb1286,204e" }, 3538 { .compatible = "usbcf3,e300" }, /* QCA6174A */ 3539 { .compatible = "usb4ca,301a" }, /* QCA6174A (Lite-On) */ 3540 { } 3541 }; 3542 MODULE_DEVICE_TABLE(of, btusb_match_table); 3543 3544 /* Use an oob wakeup pin? */ 3545 static int btusb_config_oob_wake(struct hci_dev *hdev) 3546 { 3547 struct btusb_data *data = hci_get_drvdata(hdev); 3548 struct device *dev = &data->udev->dev; 3549 int irq, ret; 3550 3551 clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags); 3552 3553 if (!of_match_device(btusb_match_table, dev)) 3554 return 0; 3555 3556 /* Move on if no IRQ specified */ 3557 irq = of_irq_get_byname(dev->of_node, "wakeup"); 3558 if (irq <= 0) { 3559 bt_dev_dbg(hdev, "%s: no OOB Wakeup IRQ in DT", __func__); 3560 return 0; 3561 } 3562 3563 irq_set_status_flags(irq, IRQ_NOAUTOEN); 3564 ret = devm_request_irq(&hdev->dev, irq, btusb_oob_wake_handler, 3565 0, "OOB Wake-on-BT", data); 3566 if (ret) { 3567 bt_dev_err(hdev, "%s: IRQ request failed", __func__); 3568 return ret; 3569 } 3570 3571 ret = device_init_wakeup(dev, true); 3572 if (ret) { 3573 bt_dev_err(hdev, "%s: failed to init_wakeup", __func__); 3574 return ret; 3575 } 3576 3577 data->oob_wake_irq = irq; 3578 bt_dev_info(hdev, "OOB Wake-on-BT configured at IRQ %u", irq); 3579 return 0; 3580 } 3581 #endif 3582 3583 static void btusb_check_needs_reset_resume(struct usb_interface *intf) 3584 { 3585 if (dmi_check_system(btusb_needs_reset_resume_table)) 3586 interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME; 3587 } 3588 3589 static bool btusb_wakeup(struct hci_dev *hdev) 3590 { 3591 struct btusb_data *data = hci_get_drvdata(hdev); 3592 3593 return device_may_wakeup(&data->udev->dev); 3594 } 3595 3596 static int btusb_shutdown_qca(struct hci_dev *hdev) 3597 { 3598 struct sk_buff *skb; 3599 3600 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); 3601 if (IS_ERR(skb)) { 3602 bt_dev_err(hdev, "HCI reset during shutdown failed"); 3603 return PTR_ERR(skb); 3604 } 3605 kfree_skb(skb); 3606 3607 return 0; 3608 } 3609 3610 static ssize_t force_poll_sync_read(struct file *file, char __user *user_buf, 3611 size_t count, loff_t *ppos) 3612 { 3613 struct btusb_data *data = file->private_data; 3614 char buf[3]; 3615 3616 buf[0] = data->poll_sync ? 'Y' : 'N'; 3617 buf[1] = '\n'; 3618 buf[2] = '\0'; 3619 return simple_read_from_buffer(user_buf, count, ppos, buf, 2); 3620 } 3621 3622 static ssize_t force_poll_sync_write(struct file *file, 3623 const char __user *user_buf, 3624 size_t count, loff_t *ppos) 3625 { 3626 struct btusb_data *data = file->private_data; 3627 bool enable; 3628 int err; 3629 3630 err = kstrtobool_from_user(user_buf, count, &enable); 3631 if (err) 3632 return err; 3633 3634 /* Only allow changes while the adapter is down */ 3635 if (test_bit(HCI_UP, &data->hdev->flags)) 3636 return -EPERM; 3637 3638 if (data->poll_sync == enable) 3639 return -EALREADY; 3640 3641 data->poll_sync = enable; 3642 3643 return count; 3644 } 3645 3646 static const struct file_operations force_poll_sync_fops = { 3647 .open = simple_open, 3648 .read = force_poll_sync_read, 3649 .write = force_poll_sync_write, 3650 .llseek = default_llseek, 3651 }; 3652 3653 static ssize_t isoc_alt_show(struct device *dev, 3654 struct device_attribute *attr, 3655 char *buf) 3656 { 3657 struct btusb_data *data = dev_get_drvdata(dev); 3658 3659 return sysfs_emit(buf, "%d\n", data->isoc_altsetting); 3660 } 3661 3662 static ssize_t isoc_alt_store(struct device *dev, 3663 struct device_attribute *attr, 3664 const char *buf, size_t count) 3665 { 3666 struct btusb_data *data = dev_get_drvdata(dev); 3667 int alt; 3668 int ret; 3669 3670 if (kstrtoint(buf, 10, &alt)) 3671 return -EINVAL; 3672 3673 ret = btusb_switch_alt_setting(data->hdev, alt); 3674 return ret < 0 ? ret : count; 3675 } 3676 3677 static DEVICE_ATTR_RW(isoc_alt); 3678 3679 static int btusb_probe(struct usb_interface *intf, 3680 const struct usb_device_id *id) 3681 { 3682 struct usb_endpoint_descriptor *ep_desc; 3683 struct gpio_desc *reset_gpio; 3684 struct btusb_data *data; 3685 struct hci_dev *hdev; 3686 unsigned ifnum_base; 3687 int i, err, priv_size; 3688 3689 BT_DBG("intf %p id %p", intf, id); 3690 3691 if ((id->driver_info & BTUSB_IFNUM_2) && 3692 (intf->cur_altsetting->desc.bInterfaceNumber != 0) && 3693 (intf->cur_altsetting->desc.bInterfaceNumber != 2)) 3694 return -ENODEV; 3695 3696 ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber; 3697 3698 if (!id->driver_info) { 3699 const struct usb_device_id *match; 3700 3701 match = usb_match_id(intf, quirks_table); 3702 if (match) 3703 id = match; 3704 } 3705 3706 if (id->driver_info == BTUSB_IGNORE) 3707 return -ENODEV; 3708 3709 if (id->driver_info & BTUSB_ATH3012) { 3710 struct usb_device *udev = interface_to_usbdev(intf); 3711 3712 /* Old firmware would otherwise let ath3k driver load 3713 * patch and sysconfig files 3714 */ 3715 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001 && 3716 !btusb_qca_need_patch(udev)) 3717 return -ENODEV; 3718 } 3719 3720 data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); 3721 if (!data) 3722 return -ENOMEM; 3723 3724 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { 3725 ep_desc = &intf->cur_altsetting->endpoint[i].desc; 3726 3727 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { 3728 data->intr_ep = ep_desc; 3729 continue; 3730 } 3731 3732 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { 3733 data->bulk_tx_ep = ep_desc; 3734 continue; 3735 } 3736 3737 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { 3738 data->bulk_rx_ep = ep_desc; 3739 continue; 3740 } 3741 } 3742 3743 if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) 3744 return -ENODEV; 3745 3746 if (id->driver_info & BTUSB_AMP) { 3747 data->cmdreq_type = USB_TYPE_CLASS | 0x01; 3748 data->cmdreq = 0x2b; 3749 } else { 3750 data->cmdreq_type = USB_TYPE_CLASS; 3751 data->cmdreq = 0x00; 3752 } 3753 3754 data->udev = interface_to_usbdev(intf); 3755 data->intf = intf; 3756 3757 INIT_WORK(&data->work, btusb_work); 3758 INIT_WORK(&data->waker, btusb_waker); 3759 INIT_DELAYED_WORK(&data->rx_work, btusb_rx_work); 3760 3761 skb_queue_head_init(&data->acl_q); 3762 3763 init_usb_anchor(&data->deferred); 3764 init_usb_anchor(&data->tx_anchor); 3765 spin_lock_init(&data->txlock); 3766 3767 init_usb_anchor(&data->intr_anchor); 3768 init_usb_anchor(&data->bulk_anchor); 3769 init_usb_anchor(&data->isoc_anchor); 3770 init_usb_anchor(&data->diag_anchor); 3771 init_usb_anchor(&data->ctrl_anchor); 3772 spin_lock_init(&data->rxlock); 3773 3774 priv_size = 0; 3775 3776 data->recv_event = hci_recv_frame; 3777 data->recv_bulk = btusb_recv_bulk; 3778 3779 if (id->driver_info & BTUSB_INTEL_COMBINED) { 3780 /* Allocate extra space for Intel device */ 3781 priv_size += sizeof(struct btintel_data); 3782 3783 /* Override the rx handlers */ 3784 data->recv_event = btintel_recv_event; 3785 data->recv_bulk = btusb_recv_bulk_intel; 3786 } else if (id->driver_info & BTUSB_REALTEK) { 3787 /* Allocate extra space for Realtek device */ 3788 priv_size += sizeof(struct btrealtek_data); 3789 3790 data->recv_event = btusb_recv_event_realtek; 3791 } else if (id->driver_info & BTUSB_MEDIATEK) { 3792 /* Allocate extra space for Mediatek device */ 3793 priv_size += sizeof(struct btmtk_data); 3794 } 3795 3796 data->recv_acl = hci_recv_frame; 3797 3798 hdev = hci_alloc_dev_priv(priv_size); 3799 if (!hdev) 3800 return -ENOMEM; 3801 3802 hdev->bus = HCI_USB; 3803 hci_set_drvdata(hdev, data); 3804 3805 data->hdev = hdev; 3806 3807 SET_HCIDEV_DEV(hdev, &intf->dev); 3808 3809 reset_gpio = gpiod_get_optional(&data->udev->dev, "reset", 3810 GPIOD_OUT_LOW); 3811 if (IS_ERR(reset_gpio)) { 3812 err = PTR_ERR(reset_gpio); 3813 goto out_free_dev; 3814 } else if (reset_gpio) { 3815 data->reset_gpio = reset_gpio; 3816 } 3817 3818 hdev->open = btusb_open; 3819 hdev->close = btusb_close; 3820 hdev->flush = btusb_flush; 3821 hdev->send = btusb_send_frame; 3822 hdev->notify = btusb_notify; 3823 hdev->wakeup = btusb_wakeup; 3824 3825 #ifdef CONFIG_PM 3826 err = btusb_config_oob_wake(hdev); 3827 if (err) 3828 goto out_free_dev; 3829 3830 /* Marvell devices may need a specific chip configuration */ 3831 if (id->driver_info & BTUSB_MARVELL && data->oob_wake_irq) { 3832 err = marvell_config_oob_wake(hdev); 3833 if (err) 3834 goto out_free_dev; 3835 } 3836 #endif 3837 if (id->driver_info & BTUSB_CW6622) 3838 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); 3839 3840 if (id->driver_info & BTUSB_BCM2045) 3841 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); 3842 3843 if (id->driver_info & BTUSB_BCM92035) 3844 hdev->setup = btusb_setup_bcm92035; 3845 3846 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && 3847 (id->driver_info & BTUSB_BCM_PATCHRAM)) { 3848 hdev->manufacturer = 15; 3849 hdev->setup = btbcm_setup_patchram; 3850 hdev->set_diag = btusb_bcm_set_diag; 3851 hdev->set_bdaddr = btbcm_set_bdaddr; 3852 3853 /* Broadcom LM_DIAG Interface numbers are hardcoded */ 3854 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2); 3855 } 3856 3857 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && 3858 (id->driver_info & BTUSB_BCM_APPLE)) { 3859 hdev->manufacturer = 15; 3860 hdev->setup = btbcm_setup_apple; 3861 hdev->set_diag = btusb_bcm_set_diag; 3862 3863 /* Broadcom LM_DIAG Interface numbers are hardcoded */ 3864 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2); 3865 } 3866 3867 /* Combined Intel Device setup to support multiple setup routine */ 3868 if (id->driver_info & BTUSB_INTEL_COMBINED) { 3869 err = btintel_configure_setup(hdev, btusb_driver.name); 3870 if (err) 3871 goto out_free_dev; 3872 3873 /* Transport specific configuration */ 3874 hdev->send = btusb_send_frame_intel; 3875 hdev->reset = btusb_intel_reset; 3876 3877 if (id->driver_info & BTUSB_INTEL_NO_WBS_SUPPORT) 3878 btintel_set_flag(hdev, INTEL_ROM_LEGACY_NO_WBS_SUPPORT); 3879 3880 if (id->driver_info & BTUSB_INTEL_BROKEN_INITIAL_NCMD) 3881 btintel_set_flag(hdev, INTEL_BROKEN_INITIAL_NCMD); 3882 3883 if (id->driver_info & BTUSB_INTEL_BROKEN_SHUTDOWN_LED) 3884 btintel_set_flag(hdev, INTEL_BROKEN_SHUTDOWN_LED); 3885 } 3886 3887 if (id->driver_info & BTUSB_MARVELL) 3888 hdev->set_bdaddr = btusb_set_bdaddr_marvell; 3889 3890 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_MTK) && 3891 (id->driver_info & BTUSB_MEDIATEK)) { 3892 hdev->setup = btusb_mtk_setup; 3893 hdev->shutdown = btusb_mtk_shutdown; 3894 hdev->manufacturer = 70; 3895 hdev->reset = btmtk_reset_sync; 3896 hdev->set_bdaddr = btmtk_set_bdaddr; 3897 hdev->send = btusb_send_frame_mtk; 3898 set_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &hdev->quirks); 3899 set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks); 3900 data->recv_acl = btmtk_usb_recv_acl; 3901 data->suspend = btmtk_usb_suspend; 3902 data->resume = btmtk_usb_resume; 3903 data->disconnect = btusb_mtk_disconnect; 3904 } 3905 3906 if (id->driver_info & BTUSB_SWAVE) { 3907 set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks); 3908 set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks); 3909 } 3910 3911 if (id->driver_info & BTUSB_INTEL_BOOT) { 3912 hdev->manufacturer = 2; 3913 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); 3914 } 3915 3916 if (id->driver_info & BTUSB_ATH3012) { 3917 data->setup_on_usb = btusb_setup_qca; 3918 hdev->set_bdaddr = btusb_set_bdaddr_ath3012; 3919 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); 3920 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); 3921 } 3922 3923 if (id->driver_info & BTUSB_QCA_ROME) { 3924 data->setup_on_usb = btusb_setup_qca; 3925 hdev->shutdown = btusb_shutdown_qca; 3926 hdev->set_bdaddr = btusb_set_bdaddr_ath3012; 3927 hdev->reset = btusb_qca_reset; 3928 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); 3929 btusb_check_needs_reset_resume(intf); 3930 } 3931 3932 if (id->driver_info & BTUSB_QCA_WCN6855) { 3933 data->qca_dump.id_vendor = id->idVendor; 3934 data->qca_dump.id_product = id->idProduct; 3935 data->recv_event = btusb_recv_evt_qca; 3936 data->recv_acl = btusb_recv_acl_qca; 3937 hci_devcd_register(hdev, btusb_coredump_qca, btusb_dump_hdr_qca, NULL); 3938 data->setup_on_usb = btusb_setup_qca; 3939 hdev->shutdown = btusb_shutdown_qca; 3940 hdev->set_bdaddr = btusb_set_bdaddr_wcn6855; 3941 hdev->reset = btusb_qca_reset; 3942 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); 3943 hci_set_msft_opcode(hdev, 0xFD70); 3944 } 3945 3946 if (id->driver_info & BTUSB_AMP) { 3947 /* AMP controllers do not support SCO packets */ 3948 data->isoc = NULL; 3949 } else { 3950 /* Interface orders are hardcoded in the specification */ 3951 data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1); 3952 data->isoc_ifnum = ifnum_base + 1; 3953 } 3954 3955 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_RTL) && 3956 (id->driver_info & BTUSB_REALTEK)) { 3957 btrtl_set_driver_name(hdev, btusb_driver.name); 3958 hdev->setup = btusb_setup_realtek; 3959 hdev->shutdown = btrtl_shutdown_realtek; 3960 hdev->reset = btusb_rtl_reset; 3961 hdev->hw_error = btusb_rtl_hw_error; 3962 3963 /* Realtek devices need to set remote wakeup on auto-suspend */ 3964 set_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags); 3965 set_bit(BTUSB_USE_ALT3_FOR_WBS, &data->flags); 3966 } 3967 3968 if (id->driver_info & BTUSB_ACTIONS_SEMI) { 3969 /* Support is advertised, but not implemented */ 3970 set_bit(HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, &hdev->quirks); 3971 set_bit(HCI_QUIRK_BROKEN_READ_TRANSMIT_POWER, &hdev->quirks); 3972 set_bit(HCI_QUIRK_BROKEN_SET_RPA_TIMEOUT, &hdev->quirks); 3973 set_bit(HCI_QUIRK_BROKEN_EXT_SCAN, &hdev->quirks); 3974 set_bit(HCI_QUIRK_BROKEN_READ_ENC_KEY_SIZE, &hdev->quirks); 3975 set_bit(HCI_QUIRK_BROKEN_EXT_CREATE_CONN, &hdev->quirks); 3976 set_bit(HCI_QUIRK_BROKEN_WRITE_AUTH_PAYLOAD_TIMEOUT, &hdev->quirks); 3977 } 3978 3979 if (!reset) 3980 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); 3981 3982 if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { 3983 if (!disable_scofix) 3984 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); 3985 } 3986 3987 if (id->driver_info & BTUSB_BROKEN_ISOC) 3988 data->isoc = NULL; 3989 3990 if (id->driver_info & BTUSB_WIDEBAND_SPEECH) 3991 set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks); 3992 3993 if (id->driver_info & BTUSB_INVALID_LE_STATES) 3994 set_bit(HCI_QUIRK_BROKEN_LE_STATES, &hdev->quirks); 3995 3996 if (id->driver_info & BTUSB_DIGIANSWER) { 3997 data->cmdreq_type = USB_TYPE_VENDOR; 3998 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); 3999 } 4000 4001 if (id->driver_info & BTUSB_CSR) { 4002 struct usb_device *udev = data->udev; 4003 u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); 4004 4005 /* Old firmware would otherwise execute USB reset */ 4006 if (bcdDevice < 0x117) 4007 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); 4008 4009 /* This must be set first in case we disable it for fakes */ 4010 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); 4011 4012 /* Fake CSR devices with broken commands */ 4013 if (le16_to_cpu(udev->descriptor.idVendor) == 0x0a12 && 4014 le16_to_cpu(udev->descriptor.idProduct) == 0x0001) 4015 hdev->setup = btusb_setup_csr; 4016 } 4017 4018 if (id->driver_info & BTUSB_SNIFFER) { 4019 struct usb_device *udev = data->udev; 4020 4021 /* New sniffer firmware has crippled HCI interface */ 4022 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) 4023 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); 4024 } 4025 4026 if (id->driver_info & BTUSB_INTEL_BOOT) { 4027 /* A bug in the bootloader causes that interrupt interface is 4028 * only enabled after receiving SetInterface(0, AltSetting=0). 4029 */ 4030 err = usb_set_interface(data->udev, 0, 0); 4031 if (err < 0) { 4032 BT_ERR("failed to set interface 0, alt 0 %d", err); 4033 goto out_free_dev; 4034 } 4035 } 4036 4037 if (data->isoc) { 4038 err = usb_driver_claim_interface(&btusb_driver, 4039 data->isoc, data); 4040 if (err < 0) 4041 goto out_free_dev; 4042 4043 err = device_create_file(&intf->dev, &dev_attr_isoc_alt); 4044 if (err) 4045 goto out_free_dev; 4046 } 4047 4048 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && data->diag) { 4049 if (!usb_driver_claim_interface(&btusb_driver, 4050 data->diag, data)) 4051 __set_diag_interface(hdev); 4052 else 4053 data->diag = NULL; 4054 } 4055 4056 if (enable_autosuspend) 4057 usb_enable_autosuspend(data->udev); 4058 4059 data->poll_sync = enable_poll_sync; 4060 4061 err = hci_register_dev(hdev); 4062 if (err < 0) 4063 goto out_free_dev; 4064 4065 usb_set_intfdata(intf, data); 4066 4067 debugfs_create_file("force_poll_sync", 0644, hdev->debugfs, data, 4068 &force_poll_sync_fops); 4069 4070 return 0; 4071 4072 out_free_dev: 4073 if (data->reset_gpio) 4074 gpiod_put(data->reset_gpio); 4075 hci_free_dev(hdev); 4076 return err; 4077 } 4078 4079 static void btusb_disconnect(struct usb_interface *intf) 4080 { 4081 struct btusb_data *data = usb_get_intfdata(intf); 4082 struct hci_dev *hdev; 4083 4084 BT_DBG("intf %p", intf); 4085 4086 if (!data) 4087 return; 4088 4089 hdev = data->hdev; 4090 usb_set_intfdata(data->intf, NULL); 4091 4092 if (data->isoc) { 4093 device_remove_file(&intf->dev, &dev_attr_isoc_alt); 4094 usb_set_intfdata(data->isoc, NULL); 4095 } 4096 4097 if (data->diag) 4098 usb_set_intfdata(data->diag, NULL); 4099 4100 if (data->disconnect) 4101 data->disconnect(hdev); 4102 4103 hci_unregister_dev(hdev); 4104 4105 if (intf == data->intf) { 4106 if (data->isoc) 4107 usb_driver_release_interface(&btusb_driver, data->isoc); 4108 if (data->diag) 4109 usb_driver_release_interface(&btusb_driver, data->diag); 4110 } else if (intf == data->isoc) { 4111 if (data->diag) 4112 usb_driver_release_interface(&btusb_driver, data->diag); 4113 usb_driver_release_interface(&btusb_driver, data->intf); 4114 } else if (intf == data->diag) { 4115 usb_driver_release_interface(&btusb_driver, data->intf); 4116 if (data->isoc) 4117 usb_driver_release_interface(&btusb_driver, data->isoc); 4118 } 4119 4120 if (data->oob_wake_irq) 4121 device_init_wakeup(&data->udev->dev, false); 4122 4123 if (data->reset_gpio) 4124 gpiod_put(data->reset_gpio); 4125 4126 hci_free_dev(hdev); 4127 } 4128 4129 #ifdef CONFIG_PM 4130 static int btusb_suspend(struct usb_interface *intf, pm_message_t message) 4131 { 4132 struct btusb_data *data = usb_get_intfdata(intf); 4133 4134 BT_DBG("intf %p", intf); 4135 4136 /* Don't auto-suspend if there are connections; external suspend calls 4137 * shall never fail. 4138 */ 4139 if (PMSG_IS_AUTO(message) && hci_conn_count(data->hdev)) 4140 return -EBUSY; 4141 4142 if (data->suspend_count++) 4143 return 0; 4144 4145 spin_lock_irq(&data->txlock); 4146 if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { 4147 set_bit(BTUSB_SUSPENDING, &data->flags); 4148 spin_unlock_irq(&data->txlock); 4149 } else { 4150 spin_unlock_irq(&data->txlock); 4151 data->suspend_count--; 4152 return -EBUSY; 4153 } 4154 4155 cancel_work_sync(&data->work); 4156 4157 if (data->suspend) 4158 data->suspend(data->hdev); 4159 4160 btusb_stop_traffic(data); 4161 usb_kill_anchored_urbs(&data->tx_anchor); 4162 4163 if (data->oob_wake_irq && device_may_wakeup(&data->udev->dev)) { 4164 set_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags); 4165 enable_irq_wake(data->oob_wake_irq); 4166 enable_irq(data->oob_wake_irq); 4167 } 4168 4169 /* For global suspend, Realtek devices lose the loaded fw 4170 * in them. But for autosuspend, firmware should remain. 4171 * Actually, it depends on whether the usb host sends 4172 * set feature (enable wakeup) or not. 4173 */ 4174 if (test_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags)) { 4175 if (PMSG_IS_AUTO(message) && 4176 device_can_wakeup(&data->udev->dev)) 4177 data->udev->do_remote_wakeup = 1; 4178 else if (!PMSG_IS_AUTO(message) && 4179 !device_may_wakeup(&data->udev->dev)) { 4180 data->udev->do_remote_wakeup = 0; 4181 data->udev->reset_resume = 1; 4182 } 4183 } 4184 4185 return 0; 4186 } 4187 4188 static void play_deferred(struct btusb_data *data) 4189 { 4190 struct urb *urb; 4191 int err; 4192 4193 while ((urb = usb_get_from_anchor(&data->deferred))) { 4194 usb_anchor_urb(urb, &data->tx_anchor); 4195 4196 err = usb_submit_urb(urb, GFP_ATOMIC); 4197 if (err < 0) { 4198 if (err != -EPERM && err != -ENODEV) 4199 BT_ERR("%s urb %p submission failed (%d)", 4200 data->hdev->name, urb, -err); 4201 kfree(urb->setup_packet); 4202 usb_unanchor_urb(urb); 4203 usb_free_urb(urb); 4204 break; 4205 } 4206 4207 data->tx_in_flight++; 4208 usb_free_urb(urb); 4209 } 4210 4211 /* Cleanup the rest deferred urbs. */ 4212 while ((urb = usb_get_from_anchor(&data->deferred))) { 4213 kfree(urb->setup_packet); 4214 usb_free_urb(urb); 4215 } 4216 } 4217 4218 static int btusb_resume(struct usb_interface *intf) 4219 { 4220 struct btusb_data *data = usb_get_intfdata(intf); 4221 struct hci_dev *hdev = data->hdev; 4222 int err = 0; 4223 4224 BT_DBG("intf %p", intf); 4225 4226 if (--data->suspend_count) 4227 return 0; 4228 4229 /* Disable only if not already disabled (keep it balanced) */ 4230 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) { 4231 disable_irq(data->oob_wake_irq); 4232 disable_irq_wake(data->oob_wake_irq); 4233 } 4234 4235 if (!test_bit(HCI_RUNNING, &hdev->flags)) 4236 goto done; 4237 4238 if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { 4239 err = btusb_submit_intr_urb(hdev, GFP_NOIO); 4240 if (err < 0) { 4241 clear_bit(BTUSB_INTR_RUNNING, &data->flags); 4242 goto failed; 4243 } 4244 } 4245 4246 if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { 4247 err = btusb_submit_bulk_urb(hdev, GFP_NOIO); 4248 if (err < 0) { 4249 clear_bit(BTUSB_BULK_RUNNING, &data->flags); 4250 goto failed; 4251 } 4252 4253 btusb_submit_bulk_urb(hdev, GFP_NOIO); 4254 } 4255 4256 if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { 4257 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) 4258 clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 4259 else 4260 btusb_submit_isoc_urb(hdev, GFP_NOIO); 4261 } 4262 4263 if (data->resume) 4264 data->resume(hdev); 4265 4266 spin_lock_irq(&data->txlock); 4267 play_deferred(data); 4268 clear_bit(BTUSB_SUSPENDING, &data->flags); 4269 spin_unlock_irq(&data->txlock); 4270 schedule_work(&data->work); 4271 4272 return 0; 4273 4274 failed: 4275 usb_scuttle_anchored_urbs(&data->deferred); 4276 done: 4277 spin_lock_irq(&data->txlock); 4278 clear_bit(BTUSB_SUSPENDING, &data->flags); 4279 spin_unlock_irq(&data->txlock); 4280 4281 return err; 4282 } 4283 #endif 4284 4285 #ifdef CONFIG_DEV_COREDUMP 4286 static void btusb_coredump(struct device *dev) 4287 { 4288 struct btusb_data *data = dev_get_drvdata(dev); 4289 struct hci_dev *hdev = data->hdev; 4290 4291 if (hdev->dump.coredump) 4292 hdev->dump.coredump(hdev); 4293 } 4294 #endif 4295 4296 static struct usb_driver btusb_driver = { 4297 .name = "btusb", 4298 .probe = btusb_probe, 4299 .disconnect = btusb_disconnect, 4300 #ifdef CONFIG_PM 4301 .suspend = btusb_suspend, 4302 .resume = btusb_resume, 4303 #endif 4304 .id_table = btusb_table, 4305 .supports_autosuspend = 1, 4306 .disable_hub_initiated_lpm = 1, 4307 4308 #ifdef CONFIG_DEV_COREDUMP 4309 .driver = { 4310 .coredump = btusb_coredump, 4311 }, 4312 #endif 4313 }; 4314 4315 module_usb_driver(btusb_driver); 4316 4317 module_param(disable_scofix, bool, 0644); 4318 MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); 4319 4320 module_param(force_scofix, bool, 0644); 4321 MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); 4322 4323 module_param(enable_autosuspend, bool, 0644); 4324 MODULE_PARM_DESC(enable_autosuspend, "Enable USB autosuspend by default"); 4325 4326 module_param(reset, bool, 0644); 4327 MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); 4328 4329 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); 4330 MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); 4331 MODULE_VERSION(VERSION); 4332 MODULE_LICENSE("GPL"); 4333