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_conn_num(hdev, SCO_LINK) < 1) 2106 return -ENODEV; 2107 2108 urb = alloc_isoc_urb(hdev, skb); 2109 if (IS_ERR(urb)) 2110 return PTR_ERR(urb); 2111 2112 hdev->stat.sco_tx++; 2113 return submit_tx_urb(hdev, urb); 2114 2115 case HCI_ISODATA_PKT: 2116 urb = alloc_bulk_urb(hdev, skb); 2117 if (IS_ERR(urb)) 2118 return PTR_ERR(urb); 2119 2120 return submit_or_queue_tx_urb(hdev, urb); 2121 } 2122 2123 return -EILSEQ; 2124 } 2125 2126 static void btusb_notify(struct hci_dev *hdev, unsigned int evt) 2127 { 2128 struct btusb_data *data = hci_get_drvdata(hdev); 2129 2130 BT_DBG("%s evt %d", hdev->name, evt); 2131 2132 if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { 2133 data->sco_num = hci_conn_num(hdev, SCO_LINK); 2134 data->air_mode = evt; 2135 schedule_work(&data->work); 2136 } 2137 } 2138 2139 static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) 2140 { 2141 struct btusb_data *data = hci_get_drvdata(hdev); 2142 struct usb_interface *intf = data->isoc; 2143 struct usb_endpoint_descriptor *ep_desc; 2144 int i, err; 2145 2146 if (!data->isoc) 2147 return -ENODEV; 2148 2149 err = usb_set_interface(data->udev, data->isoc_ifnum, altsetting); 2150 if (err < 0) { 2151 bt_dev_err(hdev, "setting interface failed (%d)", -err); 2152 return err; 2153 } 2154 2155 data->isoc_altsetting = altsetting; 2156 2157 data->isoc_tx_ep = NULL; 2158 data->isoc_rx_ep = NULL; 2159 2160 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { 2161 ep_desc = &intf->cur_altsetting->endpoint[i].desc; 2162 2163 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { 2164 data->isoc_tx_ep = ep_desc; 2165 continue; 2166 } 2167 2168 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { 2169 data->isoc_rx_ep = ep_desc; 2170 continue; 2171 } 2172 } 2173 2174 if (!data->isoc_tx_ep || !data->isoc_rx_ep) { 2175 bt_dev_err(hdev, "invalid SCO descriptors"); 2176 return -ENODEV; 2177 } 2178 2179 return 0; 2180 } 2181 2182 static int btusb_switch_alt_setting(struct hci_dev *hdev, int new_alts) 2183 { 2184 struct btusb_data *data = hci_get_drvdata(hdev); 2185 int err; 2186 2187 if (data->isoc_altsetting != new_alts) { 2188 unsigned long flags; 2189 2190 clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 2191 usb_kill_anchored_urbs(&data->isoc_anchor); 2192 2193 /* When isochronous alternate setting needs to be 2194 * changed, because SCO connection has been added 2195 * or removed, a packet fragment may be left in the 2196 * reassembling state. This could lead to wrongly 2197 * assembled fragments. 2198 * 2199 * Clear outstanding fragment when selecting a new 2200 * alternate setting. 2201 */ 2202 spin_lock_irqsave(&data->rxlock, flags); 2203 dev_kfree_skb_irq(data->sco_skb); 2204 data->sco_skb = NULL; 2205 spin_unlock_irqrestore(&data->rxlock, flags); 2206 2207 err = __set_isoc_interface(hdev, new_alts); 2208 if (err < 0) 2209 return err; 2210 } 2211 2212 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { 2213 if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) 2214 clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 2215 else 2216 btusb_submit_isoc_urb(hdev, GFP_KERNEL); 2217 } 2218 2219 return 0; 2220 } 2221 2222 static struct usb_host_interface *btusb_find_altsetting(struct btusb_data *data, 2223 int alt) 2224 { 2225 struct usb_interface *intf = data->isoc; 2226 int i; 2227 2228 BT_DBG("Looking for Alt no :%d", alt); 2229 2230 if (!intf) 2231 return NULL; 2232 2233 for (i = 0; i < intf->num_altsetting; i++) { 2234 if (intf->altsetting[i].desc.bAlternateSetting == alt) 2235 return &intf->altsetting[i]; 2236 } 2237 2238 return NULL; 2239 } 2240 2241 static void btusb_work(struct work_struct *work) 2242 { 2243 struct btusb_data *data = container_of(work, struct btusb_data, work); 2244 struct hci_dev *hdev = data->hdev; 2245 int new_alts = 0; 2246 int err; 2247 2248 if (data->sco_num > 0) { 2249 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { 2250 err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); 2251 if (err < 0) { 2252 clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 2253 usb_kill_anchored_urbs(&data->isoc_anchor); 2254 return; 2255 } 2256 2257 set_bit(BTUSB_DID_ISO_RESUME, &data->flags); 2258 } 2259 2260 if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_CVSD) { 2261 if (hdev->voice_setting & 0x0020) { 2262 static const int alts[3] = { 2, 4, 5 }; 2263 2264 new_alts = alts[data->sco_num - 1]; 2265 } else { 2266 new_alts = data->sco_num; 2267 } 2268 } else if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_TRANSP) { 2269 /* Bluetooth USB spec recommends alt 6 (63 bytes), but 2270 * many adapters do not support it. Alt 1 appears to 2271 * work for all adapters that do not have alt 6, and 2272 * which work with WBS at all. Some devices prefer 2273 * alt 3 (HCI payload >= 60 Bytes let air packet 2274 * data satisfy 60 bytes), requiring 2275 * MTU >= 3 (packets) * 25 (size) - 3 (headers) = 72 2276 * see also Core spec 5, vol 4, B 2.1.1 & Table 2.1. 2277 */ 2278 if (btusb_find_altsetting(data, 6)) 2279 new_alts = 6; 2280 else if (btusb_find_altsetting(data, 3) && 2281 hdev->sco_mtu >= 72 && 2282 test_bit(BTUSB_USE_ALT3_FOR_WBS, &data->flags)) 2283 new_alts = 3; 2284 else 2285 new_alts = 1; 2286 } 2287 2288 if (btusb_switch_alt_setting(hdev, new_alts) < 0) 2289 bt_dev_err(hdev, "set USB alt:(%d) failed!", new_alts); 2290 } else { 2291 usb_kill_anchored_urbs(&data->isoc_anchor); 2292 2293 if (test_and_clear_bit(BTUSB_ISOC_RUNNING, &data->flags)) 2294 __set_isoc_interface(hdev, 0); 2295 2296 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) 2297 usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); 2298 } 2299 } 2300 2301 static void btusb_waker(struct work_struct *work) 2302 { 2303 struct btusb_data *data = container_of(work, struct btusb_data, waker); 2304 int err; 2305 2306 err = usb_autopm_get_interface(data->intf); 2307 if (err < 0) 2308 return; 2309 2310 usb_autopm_put_interface(data->intf); 2311 } 2312 2313 static void btusb_rx_work(struct work_struct *work) 2314 { 2315 struct btusb_data *data = container_of(work, struct btusb_data, 2316 rx_work.work); 2317 struct sk_buff *skb; 2318 2319 /* Dequeue ACL data received during the interval */ 2320 while ((skb = skb_dequeue(&data->acl_q))) 2321 data->recv_acl(data->hdev, skb); 2322 } 2323 2324 static int btusb_setup_bcm92035(struct hci_dev *hdev) 2325 { 2326 struct sk_buff *skb; 2327 u8 val = 0x00; 2328 2329 BT_DBG("%s", hdev->name); 2330 2331 skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); 2332 if (IS_ERR(skb)) 2333 bt_dev_err(hdev, "BCM92035 command failed (%ld)", PTR_ERR(skb)); 2334 else 2335 kfree_skb(skb); 2336 2337 return 0; 2338 } 2339 2340 static int btusb_setup_csr(struct hci_dev *hdev) 2341 { 2342 struct btusb_data *data = hci_get_drvdata(hdev); 2343 u16 bcdDevice = le16_to_cpu(data->udev->descriptor.bcdDevice); 2344 struct hci_rp_read_local_version *rp; 2345 struct sk_buff *skb; 2346 bool is_fake = false; 2347 int ret; 2348 2349 BT_DBG("%s", hdev->name); 2350 2351 skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, 2352 HCI_INIT_TIMEOUT); 2353 if (IS_ERR(skb)) { 2354 int err = PTR_ERR(skb); 2355 bt_dev_err(hdev, "CSR: Local version failed (%d)", err); 2356 return err; 2357 } 2358 2359 rp = skb_pull_data(skb, sizeof(*rp)); 2360 if (!rp) { 2361 bt_dev_err(hdev, "CSR: Local version length mismatch"); 2362 kfree_skb(skb); 2363 return -EIO; 2364 } 2365 2366 bt_dev_info(hdev, "CSR: Setting up dongle with HCI ver=%u rev=%04x", 2367 rp->hci_ver, le16_to_cpu(rp->hci_rev)); 2368 2369 bt_dev_info(hdev, "LMP ver=%u subver=%04x; manufacturer=%u", 2370 rp->lmp_ver, le16_to_cpu(rp->lmp_subver), 2371 le16_to_cpu(rp->manufacturer)); 2372 2373 /* Detect a wide host of Chinese controllers that aren't CSR. 2374 * 2375 * Known fake bcdDevices: 0x0100, 0x0134, 0x1915, 0x2520, 0x7558, 0x8891 2376 * 2377 * The main thing they have in common is that these are really popular low-cost 2378 * options that support newer Bluetooth versions but rely on heavy VID/PID 2379 * squatting of this poor old Bluetooth 1.1 device. Even sold as such. 2380 * 2381 * We detect actual CSR devices by checking that the HCI manufacturer code 2382 * is Cambridge Silicon Radio (10) and ensuring that LMP sub-version and 2383 * HCI rev values always match. As they both store the firmware number. 2384 */ 2385 if (le16_to_cpu(rp->manufacturer) != 10 || 2386 le16_to_cpu(rp->hci_rev) != le16_to_cpu(rp->lmp_subver)) 2387 is_fake = true; 2388 2389 /* Known legit CSR firmware build numbers and their supported BT versions: 2390 * - 1.1 (0x1) -> 0x0073, 0x020d, 0x033c, 0x034e 2391 * - 1.2 (0x2) -> 0x04d9, 0x0529 2392 * - 2.0 (0x3) -> 0x07a6, 0x07ad, 0x0c5c 2393 * - 2.1 (0x4) -> 0x149c, 0x1735, 0x1899 (0x1899 is a BlueCore4-External) 2394 * - 4.0 (0x6) -> 0x1d86, 0x2031, 0x22bb 2395 * 2396 * e.g. Real CSR dongles with LMP subversion 0x73 are old enough that 2397 * support BT 1.1 only; so it's a dead giveaway when some 2398 * third-party BT 4.0 dongle reuses it. 2399 */ 2400 else if (le16_to_cpu(rp->lmp_subver) <= 0x034e && 2401 rp->hci_ver > BLUETOOTH_VER_1_1) 2402 is_fake = true; 2403 2404 else if (le16_to_cpu(rp->lmp_subver) <= 0x0529 && 2405 rp->hci_ver > BLUETOOTH_VER_1_2) 2406 is_fake = true; 2407 2408 else if (le16_to_cpu(rp->lmp_subver) <= 0x0c5c && 2409 rp->hci_ver > BLUETOOTH_VER_2_0) 2410 is_fake = true; 2411 2412 else if (le16_to_cpu(rp->lmp_subver) <= 0x1899 && 2413 rp->hci_ver > BLUETOOTH_VER_2_1) 2414 is_fake = true; 2415 2416 else if (le16_to_cpu(rp->lmp_subver) <= 0x22bb && 2417 rp->hci_ver > BLUETOOTH_VER_4_0) 2418 is_fake = true; 2419 2420 /* Other clones which beat all the above checks */ 2421 else if (bcdDevice == 0x0134 && 2422 le16_to_cpu(rp->lmp_subver) == 0x0c5c && 2423 rp->hci_ver == BLUETOOTH_VER_2_0) 2424 is_fake = true; 2425 2426 if (is_fake) { 2427 bt_dev_warn(hdev, "CSR: Unbranded CSR clone detected; adding workarounds and force-suspending once..."); 2428 2429 /* Generally these clones have big discrepancies between 2430 * advertised features and what's actually supported. 2431 * Probably will need to be expanded in the future; 2432 * without these the controller will lock up. 2433 */ 2434 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); 2435 set_bit(HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, &hdev->quirks); 2436 set_bit(HCI_QUIRK_BROKEN_FILTER_CLEAR_ALL, &hdev->quirks); 2437 set_bit(HCI_QUIRK_NO_SUSPEND_NOTIFIER, &hdev->quirks); 2438 2439 /* Clear the reset quirk since this is not an actual 2440 * early Bluetooth 1.1 device from CSR. 2441 */ 2442 clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); 2443 clear_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); 2444 2445 /* 2446 * Special workaround for these BT 4.0 chip clones, and potentially more: 2447 * 2448 * - 0x0134: a Barrot 8041a02 (HCI rev: 0x0810 sub: 0x1012) 2449 * - 0x7558: IC markings FR3191AHAL 749H15143 (HCI rev/sub-version: 0x0709) 2450 * 2451 * These controllers are really messed-up. 2452 * 2453 * 1. Their bulk RX endpoint will never report any data unless 2454 * the device was suspended at least once (yes, really). 2455 * 2. They will not wakeup when autosuspended and receiving data 2456 * on their bulk RX endpoint from e.g. a keyboard or mouse 2457 * (IOW remote-wakeup support is broken for the bulk endpoint). 2458 * 2459 * To fix 1. enable runtime-suspend, force-suspend the 2460 * HCI and then wake-it up by disabling runtime-suspend. 2461 * 2462 * To fix 2. clear the HCI's can_wake flag, this way the HCI 2463 * will still be autosuspended when it is not open. 2464 * 2465 * -- 2466 * 2467 * Because these are widespread problems we prefer generic solutions; so 2468 * apply this initialization quirk to every controller that gets here, 2469 * it should be harmless. The alternative is to not work at all. 2470 */ 2471 pm_runtime_allow(&data->udev->dev); 2472 2473 ret = pm_runtime_suspend(&data->udev->dev); 2474 if (ret >= 0) 2475 msleep(200); 2476 else 2477 bt_dev_warn(hdev, "CSR: Couldn't suspend the device for our Barrot 8041a02 receive-issue workaround"); 2478 2479 pm_runtime_forbid(&data->udev->dev); 2480 2481 device_set_wakeup_capable(&data->udev->dev, false); 2482 2483 /* Re-enable autosuspend if this was requested */ 2484 if (enable_autosuspend) 2485 usb_enable_autosuspend(data->udev); 2486 } 2487 2488 kfree_skb(skb); 2489 2490 return 0; 2491 } 2492 2493 static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode) 2494 { 2495 struct sk_buff *skb; 2496 struct hci_event_hdr *hdr; 2497 struct hci_ev_cmd_complete *evt; 2498 2499 skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL); 2500 if (!skb) 2501 return -ENOMEM; 2502 2503 hdr = skb_put(skb, sizeof(*hdr)); 2504 hdr->evt = HCI_EV_CMD_COMPLETE; 2505 hdr->plen = sizeof(*evt) + 1; 2506 2507 evt = skb_put(skb, sizeof(*evt)); 2508 evt->ncmd = 0x01; 2509 evt->opcode = cpu_to_le16(opcode); 2510 2511 skb_put_u8(skb, 0x00); 2512 2513 hci_skb_pkt_type(skb) = HCI_EVENT_PKT; 2514 2515 return hci_recv_frame(hdev, skb); 2516 } 2517 2518 static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer, 2519 int count) 2520 { 2521 struct hci_dev *hdev = data->hdev; 2522 2523 /* When the device is in bootloader mode, then it can send 2524 * events via the bulk endpoint. These events are treated the 2525 * same way as the ones received from the interrupt endpoint. 2526 */ 2527 if (btintel_test_flag(hdev, INTEL_BOOTLOADER)) 2528 return btusb_recv_intr(data, buffer, count); 2529 2530 return btusb_recv_bulk(data, buffer, count); 2531 } 2532 2533 static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb) 2534 { 2535 struct urb *urb; 2536 2537 BT_DBG("%s", hdev->name); 2538 2539 switch (hci_skb_pkt_type(skb)) { 2540 case HCI_COMMAND_PKT: 2541 if (btintel_test_flag(hdev, INTEL_BOOTLOADER)) { 2542 struct hci_command_hdr *cmd = (void *)skb->data; 2543 __u16 opcode = le16_to_cpu(cmd->opcode); 2544 2545 /* When in bootloader mode and the command 0xfc09 2546 * is received, it needs to be send down the 2547 * bulk endpoint. So allocate a bulk URB instead. 2548 */ 2549 if (opcode == 0xfc09) 2550 urb = alloc_bulk_urb(hdev, skb); 2551 else 2552 urb = alloc_ctrl_urb(hdev, skb); 2553 2554 /* When the 0xfc01 command is issued to boot into 2555 * the operational firmware, it will actually not 2556 * send a command complete event. To keep the flow 2557 * control working inject that event here. 2558 */ 2559 if (opcode == 0xfc01) 2560 inject_cmd_complete(hdev, opcode); 2561 } else { 2562 urb = alloc_ctrl_urb(hdev, skb); 2563 } 2564 if (IS_ERR(urb)) 2565 return PTR_ERR(urb); 2566 2567 hdev->stat.cmd_tx++; 2568 return submit_or_queue_tx_urb(hdev, urb); 2569 2570 case HCI_ACLDATA_PKT: 2571 urb = alloc_bulk_urb(hdev, skb); 2572 if (IS_ERR(urb)) 2573 return PTR_ERR(urb); 2574 2575 hdev->stat.acl_tx++; 2576 return submit_or_queue_tx_urb(hdev, urb); 2577 2578 case HCI_SCODATA_PKT: 2579 if (hci_conn_num(hdev, SCO_LINK) < 1) 2580 return -ENODEV; 2581 2582 urb = alloc_isoc_urb(hdev, skb); 2583 if (IS_ERR(urb)) 2584 return PTR_ERR(urb); 2585 2586 hdev->stat.sco_tx++; 2587 return submit_tx_urb(hdev, urb); 2588 2589 case HCI_ISODATA_PKT: 2590 urb = alloc_bulk_urb(hdev, skb); 2591 if (IS_ERR(urb)) 2592 return PTR_ERR(urb); 2593 2594 return submit_or_queue_tx_urb(hdev, urb); 2595 } 2596 2597 return -EILSEQ; 2598 } 2599 2600 static int btusb_setup_realtek(struct hci_dev *hdev) 2601 { 2602 struct btusb_data *data = hci_get_drvdata(hdev); 2603 int ret; 2604 2605 ret = btrtl_setup_realtek(hdev); 2606 2607 if (btrealtek_test_flag(data->hdev, REALTEK_ALT6_CONTINUOUS_TX_CHIP)) 2608 set_bit(BTUSB_ALT6_CONTINUOUS_TX, &data->flags); 2609 2610 return ret; 2611 } 2612 2613 static int btusb_recv_event_realtek(struct hci_dev *hdev, struct sk_buff *skb) 2614 { 2615 if (skb->data[0] == HCI_VENDOR_PKT && skb->data[2] == RTK_SUB_EVENT_CODE_COREDUMP) { 2616 struct rtk_dev_coredump_hdr hdr = { 2617 .code = RTK_DEVCOREDUMP_CODE_MEMDUMP, 2618 }; 2619 2620 bt_dev_dbg(hdev, "RTL: received coredump vendor evt, len %u", 2621 skb->len); 2622 2623 btusb_rtl_alloc_devcoredump(hdev, &hdr, skb->data, skb->len); 2624 kfree_skb(skb); 2625 2626 return 0; 2627 } 2628 2629 return hci_recv_frame(hdev, skb); 2630 } 2631 2632 static void btusb_mtk_claim_iso_intf(struct btusb_data *data) 2633 { 2634 struct btmtk_data *btmtk_data = hci_get_priv(data->hdev); 2635 int err; 2636 2637 /* 2638 * The function usb_driver_claim_interface() is documented to need 2639 * locks held if it's not called from a probe routine. The code here 2640 * is called from the hci_power_on workqueue, so grab the lock. 2641 */ 2642 device_lock(&btmtk_data->isopkt_intf->dev); 2643 err = usb_driver_claim_interface(&btusb_driver, 2644 btmtk_data->isopkt_intf, data); 2645 device_unlock(&btmtk_data->isopkt_intf->dev); 2646 if (err < 0) { 2647 btmtk_data->isopkt_intf = NULL; 2648 bt_dev_err(data->hdev, "Failed to claim iso interface"); 2649 return; 2650 } 2651 2652 set_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags); 2653 init_usb_anchor(&btmtk_data->isopkt_anchor); 2654 } 2655 2656 static void btusb_mtk_release_iso_intf(struct hci_dev *hdev) 2657 { 2658 struct btmtk_data *btmtk_data = hci_get_priv(hdev); 2659 2660 if (test_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags)) { 2661 usb_kill_anchored_urbs(&btmtk_data->isopkt_anchor); 2662 clear_bit(BTMTK_ISOPKT_RUNNING, &btmtk_data->flags); 2663 2664 dev_kfree_skb_irq(btmtk_data->isopkt_skb); 2665 btmtk_data->isopkt_skb = NULL; 2666 usb_set_intfdata(btmtk_data->isopkt_intf, NULL); 2667 usb_driver_release_interface(&btusb_driver, 2668 btmtk_data->isopkt_intf); 2669 } 2670 2671 clear_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags); 2672 } 2673 2674 static int btusb_mtk_disconnect(struct hci_dev *hdev) 2675 { 2676 /* This function describes the specific additional steps taken by MediaTek 2677 * when Bluetooth usb driver's resume function is called. 2678 */ 2679 btusb_mtk_release_iso_intf(hdev); 2680 2681 return 0; 2682 } 2683 2684 static int btusb_mtk_reset(struct hci_dev *hdev, void *rst_data) 2685 { 2686 struct btusb_data *data = hci_get_drvdata(hdev); 2687 struct btmtk_data *btmtk_data = hci_get_priv(hdev); 2688 int err; 2689 2690 /* It's MediaTek specific bluetooth reset mechanism via USB */ 2691 if (test_and_set_bit(BTMTK_HW_RESET_ACTIVE, &btmtk_data->flags)) { 2692 bt_dev_err(hdev, "last reset failed? Not resetting again"); 2693 return -EBUSY; 2694 } 2695 2696 err = usb_autopm_get_interface(data->intf); 2697 if (err < 0) 2698 return err; 2699 2700 /* Release MediaTek ISO data interface */ 2701 btusb_mtk_release_iso_intf(hdev); 2702 2703 btusb_stop_traffic(data); 2704 usb_kill_anchored_urbs(&data->tx_anchor); 2705 2706 err = btmtk_usb_subsys_reset(hdev, btmtk_data->dev_id); 2707 2708 usb_queue_reset_device(data->intf); 2709 clear_bit(BTMTK_HW_RESET_ACTIVE, &btmtk_data->flags); 2710 2711 return err; 2712 } 2713 2714 static int btusb_send_frame_mtk(struct hci_dev *hdev, struct sk_buff *skb) 2715 { 2716 struct urb *urb; 2717 2718 BT_DBG("%s", hdev->name); 2719 2720 if (hci_skb_pkt_type(skb) == HCI_ISODATA_PKT) { 2721 urb = alloc_mtk_intr_urb(hdev, skb, btusb_tx_complete); 2722 if (IS_ERR(urb)) 2723 return PTR_ERR(urb); 2724 2725 return submit_or_queue_tx_urb(hdev, urb); 2726 } else { 2727 return btusb_send_frame(hdev, skb); 2728 } 2729 } 2730 2731 static int btusb_mtk_setup(struct hci_dev *hdev) 2732 { 2733 struct btusb_data *data = hci_get_drvdata(hdev); 2734 struct btmtk_data *btmtk_data = hci_get_priv(hdev); 2735 2736 /* MediaTek WMT vendor cmd requiring below USB resources to 2737 * complete the handshake. 2738 */ 2739 btmtk_data->drv_name = btusb_driver.name; 2740 btmtk_data->intf = data->intf; 2741 btmtk_data->udev = data->udev; 2742 btmtk_data->ctrl_anchor = &data->ctrl_anchor; 2743 btmtk_data->reset_sync = btusb_mtk_reset; 2744 2745 /* Claim ISO data interface and endpoint */ 2746 if (!test_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags)) { 2747 btmtk_data->isopkt_intf = usb_ifnum_to_if(data->udev, MTK_ISO_IFNUM); 2748 btusb_mtk_claim_iso_intf(data); 2749 } 2750 2751 return btmtk_usb_setup(hdev); 2752 } 2753 2754 static int btusb_mtk_shutdown(struct hci_dev *hdev) 2755 { 2756 int ret; 2757 2758 ret = btmtk_usb_shutdown(hdev); 2759 2760 /* Release MediaTek iso interface after shutdown */ 2761 btusb_mtk_release_iso_intf(hdev); 2762 2763 return ret; 2764 } 2765 2766 #ifdef CONFIG_PM 2767 /* Configure an out-of-band gpio as wake-up pin, if specified in device tree */ 2768 static int marvell_config_oob_wake(struct hci_dev *hdev) 2769 { 2770 struct sk_buff *skb; 2771 struct btusb_data *data = hci_get_drvdata(hdev); 2772 struct device *dev = &data->udev->dev; 2773 u16 pin, gap, opcode; 2774 int ret; 2775 u8 cmd[5]; 2776 2777 /* Move on if no wakeup pin specified */ 2778 if (of_property_read_u16(dev->of_node, "marvell,wakeup-pin", &pin) || 2779 of_property_read_u16(dev->of_node, "marvell,wakeup-gap-ms", &gap)) 2780 return 0; 2781 2782 /* Vendor specific command to configure a GPIO as wake-up pin */ 2783 opcode = hci_opcode_pack(0x3F, 0x59); 2784 cmd[0] = opcode & 0xFF; 2785 cmd[1] = opcode >> 8; 2786 cmd[2] = 2; /* length of parameters that follow */ 2787 cmd[3] = pin; 2788 cmd[4] = gap; /* time in ms, for which wakeup pin should be asserted */ 2789 2790 skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); 2791 if (!skb) { 2792 bt_dev_err(hdev, "%s: No memory", __func__); 2793 return -ENOMEM; 2794 } 2795 2796 skb_put_data(skb, cmd, sizeof(cmd)); 2797 hci_skb_pkt_type(skb) = HCI_COMMAND_PKT; 2798 2799 ret = btusb_send_frame(hdev, skb); 2800 if (ret) { 2801 bt_dev_err(hdev, "%s: configuration failed", __func__); 2802 kfree_skb(skb); 2803 return ret; 2804 } 2805 2806 return 0; 2807 } 2808 #endif 2809 2810 static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, 2811 const bdaddr_t *bdaddr) 2812 { 2813 struct sk_buff *skb; 2814 u8 buf[8]; 2815 long ret; 2816 2817 buf[0] = 0xfe; 2818 buf[1] = sizeof(bdaddr_t); 2819 memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); 2820 2821 skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT); 2822 if (IS_ERR(skb)) { 2823 ret = PTR_ERR(skb); 2824 bt_dev_err(hdev, "changing Marvell device address failed (%ld)", 2825 ret); 2826 return ret; 2827 } 2828 kfree_skb(skb); 2829 2830 return 0; 2831 } 2832 2833 static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, 2834 const bdaddr_t *bdaddr) 2835 { 2836 struct sk_buff *skb; 2837 u8 buf[10]; 2838 long ret; 2839 2840 buf[0] = 0x01; 2841 buf[1] = 0x01; 2842 buf[2] = 0x00; 2843 buf[3] = sizeof(bdaddr_t); 2844 memcpy(buf + 4, bdaddr, sizeof(bdaddr_t)); 2845 2846 skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT); 2847 if (IS_ERR(skb)) { 2848 ret = PTR_ERR(skb); 2849 bt_dev_err(hdev, "Change address command failed (%ld)", ret); 2850 return ret; 2851 } 2852 kfree_skb(skb); 2853 2854 return 0; 2855 } 2856 2857 static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev, 2858 const bdaddr_t *bdaddr) 2859 { 2860 struct sk_buff *skb; 2861 u8 buf[6]; 2862 long ret; 2863 2864 memcpy(buf, bdaddr, sizeof(bdaddr_t)); 2865 2866 skb = __hci_cmd_sync_ev(hdev, 0xfc14, sizeof(buf), buf, 2867 HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT); 2868 if (IS_ERR(skb)) { 2869 ret = PTR_ERR(skb); 2870 bt_dev_err(hdev, "Change address command failed (%ld)", ret); 2871 return ret; 2872 } 2873 kfree_skb(skb); 2874 2875 return 0; 2876 } 2877 2878 #define QCA_MEMDUMP_ACL_HANDLE 0x2EDD 2879 #define QCA_MEMDUMP_SIZE_MAX 0x100000 2880 #define QCA_MEMDUMP_VSE_CLASS 0x01 2881 #define QCA_MEMDUMP_MSG_TYPE 0x08 2882 #define QCA_MEMDUMP_PKT_SIZE 248 2883 #define QCA_LAST_SEQUENCE_NUM 0xffff 2884 2885 struct qca_dump_hdr { 2886 u8 vse_class; 2887 u8 msg_type; 2888 __le16 seqno; 2889 u8 reserved; 2890 union { 2891 u8 data[0]; 2892 struct { 2893 __le32 ram_dump_size; 2894 u8 data0[0]; 2895 } __packed; 2896 }; 2897 } __packed; 2898 2899 2900 static void btusb_dump_hdr_qca(struct hci_dev *hdev, struct sk_buff *skb) 2901 { 2902 char buf[128]; 2903 struct btusb_data *btdata = hci_get_drvdata(hdev); 2904 2905 snprintf(buf, sizeof(buf), "Controller Name: 0x%x\n", 2906 btdata->qca_dump.controller_id); 2907 skb_put_data(skb, buf, strlen(buf)); 2908 2909 snprintf(buf, sizeof(buf), "Firmware Version: 0x%x\n", 2910 btdata->qca_dump.fw_version); 2911 skb_put_data(skb, buf, strlen(buf)); 2912 2913 snprintf(buf, sizeof(buf), "Driver: %s\nVendor: qca\n", 2914 btusb_driver.name); 2915 skb_put_data(skb, buf, strlen(buf)); 2916 2917 snprintf(buf, sizeof(buf), "VID: 0x%x\nPID:0x%x\n", 2918 btdata->qca_dump.id_vendor, btdata->qca_dump.id_product); 2919 skb_put_data(skb, buf, strlen(buf)); 2920 2921 snprintf(buf, sizeof(buf), "Lmp Subversion: 0x%x\n", 2922 hdev->lmp_subver); 2923 skb_put_data(skb, buf, strlen(buf)); 2924 } 2925 2926 static void btusb_coredump_qca(struct hci_dev *hdev) 2927 { 2928 int err; 2929 static const u8 param[] = { 0x26 }; 2930 2931 err = __hci_cmd_send(hdev, 0xfc0c, 1, param); 2932 if (err < 0) 2933 bt_dev_err(hdev, "%s: triggle crash failed (%d)", __func__, err); 2934 } 2935 2936 /* 2937 * ==0: not a dump pkt. 2938 * < 0: fails to handle a dump pkt 2939 * > 0: otherwise. 2940 */ 2941 static int handle_dump_pkt_qca(struct hci_dev *hdev, struct sk_buff *skb) 2942 { 2943 int ret = 1; 2944 u8 pkt_type; 2945 u8 *sk_ptr; 2946 unsigned int sk_len; 2947 u16 seqno; 2948 u32 dump_size; 2949 2950 struct hci_event_hdr *event_hdr; 2951 struct hci_acl_hdr *acl_hdr; 2952 struct qca_dump_hdr *dump_hdr; 2953 struct btusb_data *btdata = hci_get_drvdata(hdev); 2954 struct usb_device *udev = btdata->udev; 2955 2956 pkt_type = hci_skb_pkt_type(skb); 2957 sk_ptr = skb->data; 2958 sk_len = skb->len; 2959 2960 if (pkt_type == HCI_ACLDATA_PKT) { 2961 acl_hdr = hci_acl_hdr(skb); 2962 if (le16_to_cpu(acl_hdr->handle) != QCA_MEMDUMP_ACL_HANDLE) 2963 return 0; 2964 sk_ptr += HCI_ACL_HDR_SIZE; 2965 sk_len -= HCI_ACL_HDR_SIZE; 2966 event_hdr = (struct hci_event_hdr *)sk_ptr; 2967 } else { 2968 event_hdr = hci_event_hdr(skb); 2969 } 2970 2971 if ((event_hdr->evt != HCI_VENDOR_PKT) 2972 || (event_hdr->plen != (sk_len - HCI_EVENT_HDR_SIZE))) 2973 return 0; 2974 2975 sk_ptr += HCI_EVENT_HDR_SIZE; 2976 sk_len -= HCI_EVENT_HDR_SIZE; 2977 2978 dump_hdr = (struct qca_dump_hdr *)sk_ptr; 2979 if ((sk_len < offsetof(struct qca_dump_hdr, data)) 2980 || (dump_hdr->vse_class != QCA_MEMDUMP_VSE_CLASS) 2981 || (dump_hdr->msg_type != QCA_MEMDUMP_MSG_TYPE)) 2982 return 0; 2983 2984 /*it is dump pkt now*/ 2985 seqno = le16_to_cpu(dump_hdr->seqno); 2986 if (seqno == 0) { 2987 set_bit(BTUSB_HW_SSR_ACTIVE, &btdata->flags); 2988 dump_size = le32_to_cpu(dump_hdr->ram_dump_size); 2989 if (!dump_size || (dump_size > QCA_MEMDUMP_SIZE_MAX)) { 2990 ret = -EILSEQ; 2991 bt_dev_err(hdev, "Invalid memdump size(%u)", 2992 dump_size); 2993 goto out; 2994 } 2995 2996 ret = hci_devcd_init(hdev, dump_size); 2997 if (ret < 0) { 2998 bt_dev_err(hdev, "memdump init error(%d)", ret); 2999 goto out; 3000 } 3001 3002 btdata->qca_dump.ram_dump_size = dump_size; 3003 btdata->qca_dump.ram_dump_seqno = 0; 3004 sk_ptr += offsetof(struct qca_dump_hdr, data0); 3005 sk_len -= offsetof(struct qca_dump_hdr, data0); 3006 3007 usb_disable_autosuspend(udev); 3008 bt_dev_info(hdev, "%s memdump size(%u)\n", 3009 (pkt_type == HCI_ACLDATA_PKT) ? "ACL" : "event", 3010 dump_size); 3011 } else { 3012 sk_ptr += offsetof(struct qca_dump_hdr, data); 3013 sk_len -= offsetof(struct qca_dump_hdr, data); 3014 } 3015 3016 if (!btdata->qca_dump.ram_dump_size) { 3017 ret = -EINVAL; 3018 bt_dev_err(hdev, "memdump is not active"); 3019 goto out; 3020 } 3021 3022 if ((seqno > btdata->qca_dump.ram_dump_seqno + 1) && (seqno != QCA_LAST_SEQUENCE_NUM)) { 3023 dump_size = QCA_MEMDUMP_PKT_SIZE * (seqno - btdata->qca_dump.ram_dump_seqno - 1); 3024 hci_devcd_append_pattern(hdev, 0x0, dump_size); 3025 bt_dev_err(hdev, 3026 "expected memdump seqno(%u) is not received(%u)\n", 3027 btdata->qca_dump.ram_dump_seqno, seqno); 3028 btdata->qca_dump.ram_dump_seqno = seqno; 3029 kfree_skb(skb); 3030 return ret; 3031 } 3032 3033 skb_pull(skb, skb->len - sk_len); 3034 hci_devcd_append(hdev, skb); 3035 btdata->qca_dump.ram_dump_seqno++; 3036 if (seqno == QCA_LAST_SEQUENCE_NUM) { 3037 bt_dev_info(hdev, 3038 "memdump done: pkts(%u), total(%u)\n", 3039 btdata->qca_dump.ram_dump_seqno, btdata->qca_dump.ram_dump_size); 3040 3041 hci_devcd_complete(hdev); 3042 goto out; 3043 } 3044 return ret; 3045 3046 out: 3047 if (btdata->qca_dump.ram_dump_size) 3048 usb_enable_autosuspend(udev); 3049 btdata->qca_dump.ram_dump_size = 0; 3050 btdata->qca_dump.ram_dump_seqno = 0; 3051 clear_bit(BTUSB_HW_SSR_ACTIVE, &btdata->flags); 3052 3053 if (ret < 0) 3054 kfree_skb(skb); 3055 return ret; 3056 } 3057 3058 static int btusb_recv_acl_qca(struct hci_dev *hdev, struct sk_buff *skb) 3059 { 3060 if (handle_dump_pkt_qca(hdev, skb)) 3061 return 0; 3062 return hci_recv_frame(hdev, skb); 3063 } 3064 3065 static int btusb_recv_evt_qca(struct hci_dev *hdev, struct sk_buff *skb) 3066 { 3067 if (handle_dump_pkt_qca(hdev, skb)) 3068 return 0; 3069 return hci_recv_frame(hdev, skb); 3070 } 3071 3072 3073 #define QCA_DFU_PACKET_LEN 4096 3074 3075 #define QCA_GET_TARGET_VERSION 0x09 3076 #define QCA_CHECK_STATUS 0x05 3077 #define QCA_DFU_DOWNLOAD 0x01 3078 3079 #define QCA_SYSCFG_UPDATED 0x40 3080 #define QCA_PATCH_UPDATED 0x80 3081 #define QCA_DFU_TIMEOUT 3000 3082 #define QCA_FLAG_MULTI_NVM 0x80 3083 #define QCA_BT_RESET_WAIT_MS 100 3084 3085 #define WCN6855_2_0_RAM_VERSION_GF 0x400c1200 3086 #define WCN6855_2_1_RAM_VERSION_GF 0x400c1211 3087 3088 struct qca_version { 3089 __le32 rom_version; 3090 __le32 patch_version; 3091 __le32 ram_version; 3092 __u8 chip_id; 3093 __u8 platform_id; 3094 __le16 flag; 3095 __u8 reserved[4]; 3096 } __packed; 3097 3098 struct qca_rampatch_version { 3099 __le16 rom_version_high; 3100 __le16 rom_version_low; 3101 __le16 patch_version; 3102 } __packed; 3103 3104 struct qca_device_info { 3105 u32 rom_version; 3106 u8 rampatch_hdr; /* length of header in rampatch */ 3107 u8 nvm_hdr; /* length of header in NVM */ 3108 u8 ver_offset; /* offset of version structure in rampatch */ 3109 }; 3110 3111 static const struct qca_device_info qca_devices_table[] = { 3112 { 0x00000100, 20, 4, 8 }, /* Rome 1.0 */ 3113 { 0x00000101, 20, 4, 8 }, /* Rome 1.1 */ 3114 { 0x00000200, 28, 4, 16 }, /* Rome 2.0 */ 3115 { 0x00000201, 28, 4, 16 }, /* Rome 2.1 */ 3116 { 0x00000300, 28, 4, 16 }, /* Rome 3.0 */ 3117 { 0x00000302, 28, 4, 16 }, /* Rome 3.2 */ 3118 { 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */ 3119 { 0x00130200, 40, 4, 16 }, /* WCN6855 2.0 */ 3120 { 0x00130201, 40, 4, 16 }, /* WCN6855 2.1 */ 3121 { 0x00190200, 40, 4, 16 }, /* WCN785x 2.0 */ 3122 }; 3123 3124 static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request, 3125 void *data, u16 size) 3126 { 3127 int pipe, err; 3128 u8 *buf; 3129 3130 buf = kmalloc(size, GFP_KERNEL); 3131 if (!buf) 3132 return -ENOMEM; 3133 3134 /* Found some of USB hosts have IOT issues with ours so that we should 3135 * not wait until HCI layer is ready. 3136 */ 3137 pipe = usb_rcvctrlpipe(udev, 0); 3138 err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN, 3139 0, 0, buf, size, USB_CTRL_GET_TIMEOUT); 3140 if (err < 0) { 3141 dev_err(&udev->dev, "Failed to access otp area (%d)", err); 3142 goto done; 3143 } 3144 3145 memcpy(data, buf, size); 3146 3147 done: 3148 kfree(buf); 3149 3150 return err; 3151 } 3152 3153 static int btusb_setup_qca_download_fw(struct hci_dev *hdev, 3154 const struct firmware *firmware, 3155 size_t hdr_size) 3156 { 3157 struct btusb_data *btdata = hci_get_drvdata(hdev); 3158 struct usb_device *udev = btdata->udev; 3159 size_t count, size, sent = 0; 3160 int pipe, len, err; 3161 u8 *buf; 3162 3163 buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL); 3164 if (!buf) 3165 return -ENOMEM; 3166 3167 count = firmware->size; 3168 3169 size = min_t(size_t, count, hdr_size); 3170 memcpy(buf, firmware->data, size); 3171 3172 /* USB patches should go down to controller through USB path 3173 * because binary format fits to go down through USB channel. 3174 * USB control path is for patching headers and USB bulk is for 3175 * patch body. 3176 */ 3177 pipe = usb_sndctrlpipe(udev, 0); 3178 err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR, 3179 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); 3180 if (err < 0) { 3181 bt_dev_err(hdev, "Failed to send headers (%d)", err); 3182 goto done; 3183 } 3184 3185 sent += size; 3186 count -= size; 3187 3188 /* ep2 need time to switch from function acl to function dfu, 3189 * so we add 20ms delay here. 3190 */ 3191 msleep(20); 3192 3193 while (count) { 3194 size = min_t(size_t, count, QCA_DFU_PACKET_LEN); 3195 3196 memcpy(buf, firmware->data + sent, size); 3197 3198 pipe = usb_sndbulkpipe(udev, 0x02); 3199 err = usb_bulk_msg(udev, pipe, buf, size, &len, 3200 QCA_DFU_TIMEOUT); 3201 if (err < 0) { 3202 bt_dev_err(hdev, "Failed to send body at %zd of %zd (%d)", 3203 sent, firmware->size, err); 3204 break; 3205 } 3206 3207 if (size != len) { 3208 bt_dev_err(hdev, "Failed to get bulk buffer"); 3209 err = -EILSEQ; 3210 break; 3211 } 3212 3213 sent += size; 3214 count -= size; 3215 } 3216 3217 done: 3218 kfree(buf); 3219 return err; 3220 } 3221 3222 static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev, 3223 struct qca_version *ver, 3224 const struct qca_device_info *info) 3225 { 3226 struct qca_rampatch_version *rver; 3227 const struct firmware *fw; 3228 u32 ver_rom, ver_patch, rver_rom; 3229 u16 rver_rom_low, rver_rom_high, rver_patch; 3230 char fwname[64]; 3231 int err; 3232 3233 ver_rom = le32_to_cpu(ver->rom_version); 3234 ver_patch = le32_to_cpu(ver->patch_version); 3235 3236 snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom); 3237 3238 err = request_firmware(&fw, fwname, &hdev->dev); 3239 if (err) { 3240 bt_dev_err(hdev, "failed to request rampatch file: %s (%d)", 3241 fwname, err); 3242 return err; 3243 } 3244 3245 bt_dev_info(hdev, "using rampatch file: %s", fwname); 3246 3247 rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset); 3248 rver_rom_low = le16_to_cpu(rver->rom_version_low); 3249 rver_patch = le16_to_cpu(rver->patch_version); 3250 3251 if (ver_rom & ~0xffffU) { 3252 rver_rom_high = le16_to_cpu(rver->rom_version_high); 3253 rver_rom = rver_rom_high << 16 | rver_rom_low; 3254 } else { 3255 rver_rom = rver_rom_low; 3256 } 3257 3258 bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, " 3259 "firmware rome 0x%x build 0x%x", 3260 rver_rom, rver_patch, ver_rom, ver_patch); 3261 3262 if (rver_rom != ver_rom || rver_patch <= ver_patch) { 3263 bt_dev_err(hdev, "rampatch file version did not match with firmware"); 3264 err = -EINVAL; 3265 goto done; 3266 } 3267 3268 err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr); 3269 3270 done: 3271 release_firmware(fw); 3272 3273 return err; 3274 } 3275 3276 static void btusb_generate_qca_nvm_name(char *fwname, size_t max_size, 3277 const struct qca_version *ver) 3278 { 3279 u32 rom_version = le32_to_cpu(ver->rom_version); 3280 u16 flag = le16_to_cpu(ver->flag); 3281 3282 if (((flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) { 3283 /* The board_id should be split into two bytes 3284 * The 1st byte is chip ID, and the 2nd byte is platform ID 3285 * For example, board ID 0x010A, 0x01 is platform ID. 0x0A is chip ID 3286 * we have several platforms, and platform IDs are continuously added 3287 * Platform ID: 3288 * 0x00 is for Mobile 3289 * 0x01 is for X86 3290 * 0x02 is for Automotive 3291 * 0x03 is for Consumer electronic 3292 */ 3293 u16 board_id = (ver->chip_id << 8) + ver->platform_id; 3294 const char *variant; 3295 3296 switch (le32_to_cpu(ver->ram_version)) { 3297 case WCN6855_2_0_RAM_VERSION_GF: 3298 case WCN6855_2_1_RAM_VERSION_GF: 3299 variant = "_gf"; 3300 break; 3301 default: 3302 variant = ""; 3303 break; 3304 } 3305 3306 if (board_id == 0) { 3307 snprintf(fwname, max_size, "qca/nvm_usb_%08x%s.bin", 3308 rom_version, variant); 3309 } else { 3310 snprintf(fwname, max_size, "qca/nvm_usb_%08x%s_%04x.bin", 3311 rom_version, variant, board_id); 3312 } 3313 } else { 3314 snprintf(fwname, max_size, "qca/nvm_usb_%08x.bin", 3315 rom_version); 3316 } 3317 3318 } 3319 3320 static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, 3321 struct qca_version *ver, 3322 const struct qca_device_info *info) 3323 { 3324 const struct firmware *fw; 3325 char fwname[64]; 3326 int err; 3327 3328 btusb_generate_qca_nvm_name(fwname, sizeof(fwname), ver); 3329 3330 err = request_firmware(&fw, fwname, &hdev->dev); 3331 if (err) { 3332 bt_dev_err(hdev, "failed to request NVM file: %s (%d)", 3333 fwname, err); 3334 return err; 3335 } 3336 3337 bt_dev_info(hdev, "using NVM file: %s", fwname); 3338 3339 err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr); 3340 3341 release_firmware(fw); 3342 3343 return err; 3344 } 3345 3346 /* identify the ROM version and check whether patches are needed */ 3347 static bool btusb_qca_need_patch(struct usb_device *udev) 3348 { 3349 struct qca_version ver; 3350 3351 if (btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver, 3352 sizeof(ver)) < 0) 3353 return false; 3354 /* only low ROM versions need patches */ 3355 return !(le32_to_cpu(ver.rom_version) & ~0xffffU); 3356 } 3357 3358 static int btusb_setup_qca(struct hci_dev *hdev) 3359 { 3360 struct btusb_data *btdata = hci_get_drvdata(hdev); 3361 struct usb_device *udev = btdata->udev; 3362 const struct qca_device_info *info = NULL; 3363 struct qca_version ver; 3364 u32 ver_rom; 3365 u8 status; 3366 int i, err; 3367 3368 err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver, 3369 sizeof(ver)); 3370 if (err < 0) 3371 return err; 3372 3373 ver_rom = le32_to_cpu(ver.rom_version); 3374 3375 for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) { 3376 if (ver_rom == qca_devices_table[i].rom_version) 3377 info = &qca_devices_table[i]; 3378 } 3379 if (!info) { 3380 /* If the rom_version is not matched in the qca_devices_table 3381 * and the high ROM version is not zero, we assume this chip no 3382 * need to load the rampatch and nvm. 3383 */ 3384 if (ver_rom & ~0xffffU) 3385 return 0; 3386 3387 bt_dev_err(hdev, "don't support firmware rome 0x%x", ver_rom); 3388 return -ENODEV; 3389 } 3390 3391 err = btusb_qca_send_vendor_req(udev, QCA_CHECK_STATUS, &status, 3392 sizeof(status)); 3393 if (err < 0) 3394 return err; 3395 3396 if (!(status & QCA_PATCH_UPDATED)) { 3397 err = btusb_setup_qca_load_rampatch(hdev, &ver, info); 3398 if (err < 0) 3399 return err; 3400 } 3401 3402 err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver, 3403 sizeof(ver)); 3404 if (err < 0) 3405 return err; 3406 3407 btdata->qca_dump.fw_version = le32_to_cpu(ver.patch_version); 3408 btdata->qca_dump.controller_id = le32_to_cpu(ver.rom_version); 3409 3410 if (!(status & QCA_SYSCFG_UPDATED)) { 3411 err = btusb_setup_qca_load_nvm(hdev, &ver, info); 3412 if (err < 0) 3413 return err; 3414 3415 /* WCN6855 2.1 and later will reset to apply firmware downloaded here, so 3416 * wait ~100ms for reset Done then go ahead, otherwise, it maybe 3417 * cause potential enable failure. 3418 */ 3419 if (info->rom_version >= 0x00130201) 3420 msleep(QCA_BT_RESET_WAIT_MS); 3421 } 3422 3423 /* Mark HCI_OP_ENHANCED_SETUP_SYNC_CONN as broken as it doesn't seem to 3424 * work with the likes of HSP/HFP mSBC. 3425 */ 3426 set_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &hdev->quirks); 3427 3428 return 0; 3429 } 3430 3431 static inline int __set_diag_interface(struct hci_dev *hdev) 3432 { 3433 struct btusb_data *data = hci_get_drvdata(hdev); 3434 struct usb_interface *intf = data->diag; 3435 int i; 3436 3437 if (!data->diag) 3438 return -ENODEV; 3439 3440 data->diag_tx_ep = NULL; 3441 data->diag_rx_ep = NULL; 3442 3443 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { 3444 struct usb_endpoint_descriptor *ep_desc; 3445 3446 ep_desc = &intf->cur_altsetting->endpoint[i].desc; 3447 3448 if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { 3449 data->diag_tx_ep = ep_desc; 3450 continue; 3451 } 3452 3453 if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { 3454 data->diag_rx_ep = ep_desc; 3455 continue; 3456 } 3457 } 3458 3459 if (!data->diag_tx_ep || !data->diag_rx_ep) { 3460 bt_dev_err(hdev, "invalid diagnostic descriptors"); 3461 return -ENODEV; 3462 } 3463 3464 return 0; 3465 } 3466 3467 static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable) 3468 { 3469 struct btusb_data *data = hci_get_drvdata(hdev); 3470 struct sk_buff *skb; 3471 struct urb *urb; 3472 unsigned int pipe; 3473 3474 if (!data->diag_tx_ep) 3475 return ERR_PTR(-ENODEV); 3476 3477 urb = usb_alloc_urb(0, GFP_KERNEL); 3478 if (!urb) 3479 return ERR_PTR(-ENOMEM); 3480 3481 skb = bt_skb_alloc(2, GFP_KERNEL); 3482 if (!skb) { 3483 usb_free_urb(urb); 3484 return ERR_PTR(-ENOMEM); 3485 } 3486 3487 skb_put_u8(skb, 0xf0); 3488 skb_put_u8(skb, enable); 3489 3490 pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress); 3491 3492 usb_fill_bulk_urb(urb, data->udev, pipe, 3493 skb->data, skb->len, btusb_tx_complete, skb); 3494 3495 skb->dev = (void *)hdev; 3496 3497 return urb; 3498 } 3499 3500 static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable) 3501 { 3502 struct btusb_data *data = hci_get_drvdata(hdev); 3503 struct urb *urb; 3504 3505 if (!data->diag) 3506 return -ENODEV; 3507 3508 if (!test_bit(HCI_RUNNING, &hdev->flags)) 3509 return -ENETDOWN; 3510 3511 urb = alloc_diag_urb(hdev, enable); 3512 if (IS_ERR(urb)) 3513 return PTR_ERR(urb); 3514 3515 return submit_or_queue_tx_urb(hdev, urb); 3516 } 3517 3518 #ifdef CONFIG_PM 3519 static irqreturn_t btusb_oob_wake_handler(int irq, void *priv) 3520 { 3521 struct btusb_data *data = priv; 3522 3523 pm_wakeup_event(&data->udev->dev, 0); 3524 pm_system_wakeup(); 3525 3526 /* Disable only if not already disabled (keep it balanced) */ 3527 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) { 3528 disable_irq_nosync(irq); 3529 disable_irq_wake(irq); 3530 } 3531 return IRQ_HANDLED; 3532 } 3533 3534 static const struct of_device_id btusb_match_table[] = { 3535 { .compatible = "usb1286,204e" }, 3536 { .compatible = "usbcf3,e300" }, /* QCA6174A */ 3537 { .compatible = "usb4ca,301a" }, /* QCA6174A (Lite-On) */ 3538 { } 3539 }; 3540 MODULE_DEVICE_TABLE(of, btusb_match_table); 3541 3542 /* Use an oob wakeup pin? */ 3543 static int btusb_config_oob_wake(struct hci_dev *hdev) 3544 { 3545 struct btusb_data *data = hci_get_drvdata(hdev); 3546 struct device *dev = &data->udev->dev; 3547 int irq, ret; 3548 3549 clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags); 3550 3551 if (!of_match_device(btusb_match_table, dev)) 3552 return 0; 3553 3554 /* Move on if no IRQ specified */ 3555 irq = of_irq_get_byname(dev->of_node, "wakeup"); 3556 if (irq <= 0) { 3557 bt_dev_dbg(hdev, "%s: no OOB Wakeup IRQ in DT", __func__); 3558 return 0; 3559 } 3560 3561 irq_set_status_flags(irq, IRQ_NOAUTOEN); 3562 ret = devm_request_irq(&hdev->dev, irq, btusb_oob_wake_handler, 3563 0, "OOB Wake-on-BT", data); 3564 if (ret) { 3565 bt_dev_err(hdev, "%s: IRQ request failed", __func__); 3566 return ret; 3567 } 3568 3569 ret = device_init_wakeup(dev, true); 3570 if (ret) { 3571 bt_dev_err(hdev, "%s: failed to init_wakeup", __func__); 3572 return ret; 3573 } 3574 3575 data->oob_wake_irq = irq; 3576 bt_dev_info(hdev, "OOB Wake-on-BT configured at IRQ %u", irq); 3577 return 0; 3578 } 3579 #endif 3580 3581 static void btusb_check_needs_reset_resume(struct usb_interface *intf) 3582 { 3583 if (dmi_check_system(btusb_needs_reset_resume_table)) 3584 interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME; 3585 } 3586 3587 static bool btusb_wakeup(struct hci_dev *hdev) 3588 { 3589 struct btusb_data *data = hci_get_drvdata(hdev); 3590 3591 return device_may_wakeup(&data->udev->dev); 3592 } 3593 3594 static int btusb_shutdown_qca(struct hci_dev *hdev) 3595 { 3596 struct sk_buff *skb; 3597 3598 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); 3599 if (IS_ERR(skb)) { 3600 bt_dev_err(hdev, "HCI reset during shutdown failed"); 3601 return PTR_ERR(skb); 3602 } 3603 kfree_skb(skb); 3604 3605 return 0; 3606 } 3607 3608 static ssize_t force_poll_sync_read(struct file *file, char __user *user_buf, 3609 size_t count, loff_t *ppos) 3610 { 3611 struct btusb_data *data = file->private_data; 3612 char buf[3]; 3613 3614 buf[0] = data->poll_sync ? 'Y' : 'N'; 3615 buf[1] = '\n'; 3616 buf[2] = '\0'; 3617 return simple_read_from_buffer(user_buf, count, ppos, buf, 2); 3618 } 3619 3620 static ssize_t force_poll_sync_write(struct file *file, 3621 const char __user *user_buf, 3622 size_t count, loff_t *ppos) 3623 { 3624 struct btusb_data *data = file->private_data; 3625 bool enable; 3626 int err; 3627 3628 err = kstrtobool_from_user(user_buf, count, &enable); 3629 if (err) 3630 return err; 3631 3632 /* Only allow changes while the adapter is down */ 3633 if (test_bit(HCI_UP, &data->hdev->flags)) 3634 return -EPERM; 3635 3636 if (data->poll_sync == enable) 3637 return -EALREADY; 3638 3639 data->poll_sync = enable; 3640 3641 return count; 3642 } 3643 3644 static const struct file_operations force_poll_sync_fops = { 3645 .open = simple_open, 3646 .read = force_poll_sync_read, 3647 .write = force_poll_sync_write, 3648 .llseek = default_llseek, 3649 }; 3650 3651 static ssize_t isoc_alt_show(struct device *dev, 3652 struct device_attribute *attr, 3653 char *buf) 3654 { 3655 struct btusb_data *data = dev_get_drvdata(dev); 3656 3657 return sysfs_emit(buf, "%d\n", data->isoc_altsetting); 3658 } 3659 3660 static ssize_t isoc_alt_store(struct device *dev, 3661 struct device_attribute *attr, 3662 const char *buf, size_t count) 3663 { 3664 struct btusb_data *data = dev_get_drvdata(dev); 3665 int alt; 3666 int ret; 3667 3668 if (kstrtoint(buf, 10, &alt)) 3669 return -EINVAL; 3670 3671 ret = btusb_switch_alt_setting(data->hdev, alt); 3672 return ret < 0 ? ret : count; 3673 } 3674 3675 static DEVICE_ATTR_RW(isoc_alt); 3676 3677 static int btusb_probe(struct usb_interface *intf, 3678 const struct usb_device_id *id) 3679 { 3680 struct usb_endpoint_descriptor *ep_desc; 3681 struct gpio_desc *reset_gpio; 3682 struct btusb_data *data; 3683 struct hci_dev *hdev; 3684 unsigned ifnum_base; 3685 int i, err, priv_size; 3686 3687 BT_DBG("intf %p id %p", intf, id); 3688 3689 if ((id->driver_info & BTUSB_IFNUM_2) && 3690 (intf->cur_altsetting->desc.bInterfaceNumber != 0) && 3691 (intf->cur_altsetting->desc.bInterfaceNumber != 2)) 3692 return -ENODEV; 3693 3694 ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber; 3695 3696 if (!id->driver_info) { 3697 const struct usb_device_id *match; 3698 3699 match = usb_match_id(intf, quirks_table); 3700 if (match) 3701 id = match; 3702 } 3703 3704 if (id->driver_info == BTUSB_IGNORE) 3705 return -ENODEV; 3706 3707 if (id->driver_info & BTUSB_ATH3012) { 3708 struct usb_device *udev = interface_to_usbdev(intf); 3709 3710 /* Old firmware would otherwise let ath3k driver load 3711 * patch and sysconfig files 3712 */ 3713 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001 && 3714 !btusb_qca_need_patch(udev)) 3715 return -ENODEV; 3716 } 3717 3718 data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); 3719 if (!data) 3720 return -ENOMEM; 3721 3722 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { 3723 ep_desc = &intf->cur_altsetting->endpoint[i].desc; 3724 3725 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { 3726 data->intr_ep = ep_desc; 3727 continue; 3728 } 3729 3730 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { 3731 data->bulk_tx_ep = ep_desc; 3732 continue; 3733 } 3734 3735 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { 3736 data->bulk_rx_ep = ep_desc; 3737 continue; 3738 } 3739 } 3740 3741 if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) 3742 return -ENODEV; 3743 3744 if (id->driver_info & BTUSB_AMP) { 3745 data->cmdreq_type = USB_TYPE_CLASS | 0x01; 3746 data->cmdreq = 0x2b; 3747 } else { 3748 data->cmdreq_type = USB_TYPE_CLASS; 3749 data->cmdreq = 0x00; 3750 } 3751 3752 data->udev = interface_to_usbdev(intf); 3753 data->intf = intf; 3754 3755 INIT_WORK(&data->work, btusb_work); 3756 INIT_WORK(&data->waker, btusb_waker); 3757 INIT_DELAYED_WORK(&data->rx_work, btusb_rx_work); 3758 3759 skb_queue_head_init(&data->acl_q); 3760 3761 init_usb_anchor(&data->deferred); 3762 init_usb_anchor(&data->tx_anchor); 3763 spin_lock_init(&data->txlock); 3764 3765 init_usb_anchor(&data->intr_anchor); 3766 init_usb_anchor(&data->bulk_anchor); 3767 init_usb_anchor(&data->isoc_anchor); 3768 init_usb_anchor(&data->diag_anchor); 3769 init_usb_anchor(&data->ctrl_anchor); 3770 spin_lock_init(&data->rxlock); 3771 3772 priv_size = 0; 3773 3774 data->recv_event = hci_recv_frame; 3775 data->recv_bulk = btusb_recv_bulk; 3776 3777 if (id->driver_info & BTUSB_INTEL_COMBINED) { 3778 /* Allocate extra space for Intel device */ 3779 priv_size += sizeof(struct btintel_data); 3780 3781 /* Override the rx handlers */ 3782 data->recv_event = btintel_recv_event; 3783 data->recv_bulk = btusb_recv_bulk_intel; 3784 } else if (id->driver_info & BTUSB_REALTEK) { 3785 /* Allocate extra space for Realtek device */ 3786 priv_size += sizeof(struct btrealtek_data); 3787 3788 data->recv_event = btusb_recv_event_realtek; 3789 } else if (id->driver_info & BTUSB_MEDIATEK) { 3790 /* Allocate extra space for Mediatek device */ 3791 priv_size += sizeof(struct btmtk_data); 3792 } 3793 3794 data->recv_acl = hci_recv_frame; 3795 3796 hdev = hci_alloc_dev_priv(priv_size); 3797 if (!hdev) 3798 return -ENOMEM; 3799 3800 hdev->bus = HCI_USB; 3801 hci_set_drvdata(hdev, data); 3802 3803 data->hdev = hdev; 3804 3805 SET_HCIDEV_DEV(hdev, &intf->dev); 3806 3807 reset_gpio = gpiod_get_optional(&data->udev->dev, "reset", 3808 GPIOD_OUT_LOW); 3809 if (IS_ERR(reset_gpio)) { 3810 err = PTR_ERR(reset_gpio); 3811 goto out_free_dev; 3812 } else if (reset_gpio) { 3813 data->reset_gpio = reset_gpio; 3814 } 3815 3816 hdev->open = btusb_open; 3817 hdev->close = btusb_close; 3818 hdev->flush = btusb_flush; 3819 hdev->send = btusb_send_frame; 3820 hdev->notify = btusb_notify; 3821 hdev->wakeup = btusb_wakeup; 3822 3823 #ifdef CONFIG_PM 3824 err = btusb_config_oob_wake(hdev); 3825 if (err) 3826 goto out_free_dev; 3827 3828 /* Marvell devices may need a specific chip configuration */ 3829 if (id->driver_info & BTUSB_MARVELL && data->oob_wake_irq) { 3830 err = marvell_config_oob_wake(hdev); 3831 if (err) 3832 goto out_free_dev; 3833 } 3834 #endif 3835 if (id->driver_info & BTUSB_CW6622) 3836 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); 3837 3838 if (id->driver_info & BTUSB_BCM2045) 3839 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); 3840 3841 if (id->driver_info & BTUSB_BCM92035) 3842 hdev->setup = btusb_setup_bcm92035; 3843 3844 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && 3845 (id->driver_info & BTUSB_BCM_PATCHRAM)) { 3846 hdev->manufacturer = 15; 3847 hdev->setup = btbcm_setup_patchram; 3848 hdev->set_diag = btusb_bcm_set_diag; 3849 hdev->set_bdaddr = btbcm_set_bdaddr; 3850 3851 /* Broadcom LM_DIAG Interface numbers are hardcoded */ 3852 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2); 3853 } 3854 3855 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && 3856 (id->driver_info & BTUSB_BCM_APPLE)) { 3857 hdev->manufacturer = 15; 3858 hdev->setup = btbcm_setup_apple; 3859 hdev->set_diag = btusb_bcm_set_diag; 3860 3861 /* Broadcom LM_DIAG Interface numbers are hardcoded */ 3862 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2); 3863 } 3864 3865 /* Combined Intel Device setup to support multiple setup routine */ 3866 if (id->driver_info & BTUSB_INTEL_COMBINED) { 3867 err = btintel_configure_setup(hdev, btusb_driver.name); 3868 if (err) 3869 goto out_free_dev; 3870 3871 /* Transport specific configuration */ 3872 hdev->send = btusb_send_frame_intel; 3873 hdev->reset = btusb_intel_reset; 3874 3875 if (id->driver_info & BTUSB_INTEL_NO_WBS_SUPPORT) 3876 btintel_set_flag(hdev, INTEL_ROM_LEGACY_NO_WBS_SUPPORT); 3877 3878 if (id->driver_info & BTUSB_INTEL_BROKEN_INITIAL_NCMD) 3879 btintel_set_flag(hdev, INTEL_BROKEN_INITIAL_NCMD); 3880 3881 if (id->driver_info & BTUSB_INTEL_BROKEN_SHUTDOWN_LED) 3882 btintel_set_flag(hdev, INTEL_BROKEN_SHUTDOWN_LED); 3883 } 3884 3885 if (id->driver_info & BTUSB_MARVELL) 3886 hdev->set_bdaddr = btusb_set_bdaddr_marvell; 3887 3888 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_MTK) && 3889 (id->driver_info & BTUSB_MEDIATEK)) { 3890 hdev->setup = btusb_mtk_setup; 3891 hdev->shutdown = btusb_mtk_shutdown; 3892 hdev->manufacturer = 70; 3893 hdev->reset = btmtk_reset_sync; 3894 hdev->set_bdaddr = btmtk_set_bdaddr; 3895 hdev->send = btusb_send_frame_mtk; 3896 set_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &hdev->quirks); 3897 set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks); 3898 data->recv_acl = btmtk_usb_recv_acl; 3899 data->suspend = btmtk_usb_suspend; 3900 data->resume = btmtk_usb_resume; 3901 data->disconnect = btusb_mtk_disconnect; 3902 } 3903 3904 if (id->driver_info & BTUSB_SWAVE) { 3905 set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks); 3906 set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks); 3907 } 3908 3909 if (id->driver_info & BTUSB_INTEL_BOOT) { 3910 hdev->manufacturer = 2; 3911 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); 3912 } 3913 3914 if (id->driver_info & BTUSB_ATH3012) { 3915 data->setup_on_usb = btusb_setup_qca; 3916 hdev->set_bdaddr = btusb_set_bdaddr_ath3012; 3917 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); 3918 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); 3919 } 3920 3921 if (id->driver_info & BTUSB_QCA_ROME) { 3922 data->setup_on_usb = btusb_setup_qca; 3923 hdev->shutdown = btusb_shutdown_qca; 3924 hdev->set_bdaddr = btusb_set_bdaddr_ath3012; 3925 hdev->reset = btusb_qca_reset; 3926 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); 3927 btusb_check_needs_reset_resume(intf); 3928 } 3929 3930 if (id->driver_info & BTUSB_QCA_WCN6855) { 3931 data->qca_dump.id_vendor = id->idVendor; 3932 data->qca_dump.id_product = id->idProduct; 3933 data->recv_event = btusb_recv_evt_qca; 3934 data->recv_acl = btusb_recv_acl_qca; 3935 hci_devcd_register(hdev, btusb_coredump_qca, btusb_dump_hdr_qca, NULL); 3936 data->setup_on_usb = btusb_setup_qca; 3937 hdev->shutdown = btusb_shutdown_qca; 3938 hdev->set_bdaddr = btusb_set_bdaddr_wcn6855; 3939 hdev->reset = btusb_qca_reset; 3940 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); 3941 hci_set_msft_opcode(hdev, 0xFD70); 3942 } 3943 3944 if (id->driver_info & BTUSB_AMP) { 3945 /* AMP controllers do not support SCO packets */ 3946 data->isoc = NULL; 3947 } else { 3948 /* Interface orders are hardcoded in the specification */ 3949 data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1); 3950 data->isoc_ifnum = ifnum_base + 1; 3951 } 3952 3953 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_RTL) && 3954 (id->driver_info & BTUSB_REALTEK)) { 3955 btrtl_set_driver_name(hdev, btusb_driver.name); 3956 hdev->setup = btusb_setup_realtek; 3957 hdev->shutdown = btrtl_shutdown_realtek; 3958 hdev->reset = btusb_rtl_reset; 3959 hdev->hw_error = btusb_rtl_hw_error; 3960 3961 /* Realtek devices need to set remote wakeup on auto-suspend */ 3962 set_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags); 3963 set_bit(BTUSB_USE_ALT3_FOR_WBS, &data->flags); 3964 } 3965 3966 if (id->driver_info & BTUSB_ACTIONS_SEMI) { 3967 /* Support is advertised, but not implemented */ 3968 set_bit(HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, &hdev->quirks); 3969 set_bit(HCI_QUIRK_BROKEN_READ_TRANSMIT_POWER, &hdev->quirks); 3970 set_bit(HCI_QUIRK_BROKEN_SET_RPA_TIMEOUT, &hdev->quirks); 3971 set_bit(HCI_QUIRK_BROKEN_EXT_SCAN, &hdev->quirks); 3972 set_bit(HCI_QUIRK_BROKEN_READ_ENC_KEY_SIZE, &hdev->quirks); 3973 set_bit(HCI_QUIRK_BROKEN_EXT_CREATE_CONN, &hdev->quirks); 3974 set_bit(HCI_QUIRK_BROKEN_WRITE_AUTH_PAYLOAD_TIMEOUT, &hdev->quirks); 3975 } 3976 3977 if (!reset) 3978 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); 3979 3980 if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { 3981 if (!disable_scofix) 3982 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); 3983 } 3984 3985 if (id->driver_info & BTUSB_BROKEN_ISOC) 3986 data->isoc = NULL; 3987 3988 if (id->driver_info & BTUSB_WIDEBAND_SPEECH) 3989 set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks); 3990 3991 if (id->driver_info & BTUSB_INVALID_LE_STATES) 3992 set_bit(HCI_QUIRK_BROKEN_LE_STATES, &hdev->quirks); 3993 3994 if (id->driver_info & BTUSB_DIGIANSWER) { 3995 data->cmdreq_type = USB_TYPE_VENDOR; 3996 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); 3997 } 3998 3999 if (id->driver_info & BTUSB_CSR) { 4000 struct usb_device *udev = data->udev; 4001 u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); 4002 4003 /* Old firmware would otherwise execute USB reset */ 4004 if (bcdDevice < 0x117) 4005 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); 4006 4007 /* This must be set first in case we disable it for fakes */ 4008 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); 4009 4010 /* Fake CSR devices with broken commands */ 4011 if (le16_to_cpu(udev->descriptor.idVendor) == 0x0a12 && 4012 le16_to_cpu(udev->descriptor.idProduct) == 0x0001) 4013 hdev->setup = btusb_setup_csr; 4014 } 4015 4016 if (id->driver_info & BTUSB_SNIFFER) { 4017 struct usb_device *udev = data->udev; 4018 4019 /* New sniffer firmware has crippled HCI interface */ 4020 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) 4021 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); 4022 } 4023 4024 if (id->driver_info & BTUSB_INTEL_BOOT) { 4025 /* A bug in the bootloader causes that interrupt interface is 4026 * only enabled after receiving SetInterface(0, AltSetting=0). 4027 */ 4028 err = usb_set_interface(data->udev, 0, 0); 4029 if (err < 0) { 4030 BT_ERR("failed to set interface 0, alt 0 %d", err); 4031 goto out_free_dev; 4032 } 4033 } 4034 4035 if (data->isoc) { 4036 err = usb_driver_claim_interface(&btusb_driver, 4037 data->isoc, data); 4038 if (err < 0) 4039 goto out_free_dev; 4040 4041 err = device_create_file(&intf->dev, &dev_attr_isoc_alt); 4042 if (err) 4043 goto out_free_dev; 4044 } 4045 4046 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && data->diag) { 4047 if (!usb_driver_claim_interface(&btusb_driver, 4048 data->diag, data)) 4049 __set_diag_interface(hdev); 4050 else 4051 data->diag = NULL; 4052 } 4053 4054 if (enable_autosuspend) 4055 usb_enable_autosuspend(data->udev); 4056 4057 data->poll_sync = enable_poll_sync; 4058 4059 err = hci_register_dev(hdev); 4060 if (err < 0) 4061 goto out_free_dev; 4062 4063 usb_set_intfdata(intf, data); 4064 4065 debugfs_create_file("force_poll_sync", 0644, hdev->debugfs, data, 4066 &force_poll_sync_fops); 4067 4068 return 0; 4069 4070 out_free_dev: 4071 if (data->reset_gpio) 4072 gpiod_put(data->reset_gpio); 4073 hci_free_dev(hdev); 4074 return err; 4075 } 4076 4077 static void btusb_disconnect(struct usb_interface *intf) 4078 { 4079 struct btusb_data *data = usb_get_intfdata(intf); 4080 struct hci_dev *hdev; 4081 4082 BT_DBG("intf %p", intf); 4083 4084 if (!data) 4085 return; 4086 4087 hdev = data->hdev; 4088 usb_set_intfdata(data->intf, NULL); 4089 4090 if (data->isoc) { 4091 device_remove_file(&intf->dev, &dev_attr_isoc_alt); 4092 usb_set_intfdata(data->isoc, NULL); 4093 } 4094 4095 if (data->diag) 4096 usb_set_intfdata(data->diag, NULL); 4097 4098 if (data->disconnect) 4099 data->disconnect(hdev); 4100 4101 hci_unregister_dev(hdev); 4102 4103 if (intf == data->intf) { 4104 if (data->isoc) 4105 usb_driver_release_interface(&btusb_driver, data->isoc); 4106 if (data->diag) 4107 usb_driver_release_interface(&btusb_driver, data->diag); 4108 } else if (intf == data->isoc) { 4109 if (data->diag) 4110 usb_driver_release_interface(&btusb_driver, data->diag); 4111 usb_driver_release_interface(&btusb_driver, data->intf); 4112 } else if (intf == data->diag) { 4113 usb_driver_release_interface(&btusb_driver, data->intf); 4114 if (data->isoc) 4115 usb_driver_release_interface(&btusb_driver, data->isoc); 4116 } 4117 4118 if (data->oob_wake_irq) 4119 device_init_wakeup(&data->udev->dev, false); 4120 4121 if (data->reset_gpio) 4122 gpiod_put(data->reset_gpio); 4123 4124 hci_free_dev(hdev); 4125 } 4126 4127 #ifdef CONFIG_PM 4128 static int btusb_suspend(struct usb_interface *intf, pm_message_t message) 4129 { 4130 struct btusb_data *data = usb_get_intfdata(intf); 4131 4132 BT_DBG("intf %p", intf); 4133 4134 /* Don't auto-suspend if there are connections; external suspend calls 4135 * shall never fail. 4136 */ 4137 if (PMSG_IS_AUTO(message) && hci_conn_count(data->hdev)) 4138 return -EBUSY; 4139 4140 if (data->suspend_count++) 4141 return 0; 4142 4143 spin_lock_irq(&data->txlock); 4144 if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { 4145 set_bit(BTUSB_SUSPENDING, &data->flags); 4146 spin_unlock_irq(&data->txlock); 4147 } else { 4148 spin_unlock_irq(&data->txlock); 4149 data->suspend_count--; 4150 return -EBUSY; 4151 } 4152 4153 cancel_work_sync(&data->work); 4154 4155 if (data->suspend) 4156 data->suspend(data->hdev); 4157 4158 btusb_stop_traffic(data); 4159 usb_kill_anchored_urbs(&data->tx_anchor); 4160 4161 if (data->oob_wake_irq && device_may_wakeup(&data->udev->dev)) { 4162 set_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags); 4163 enable_irq_wake(data->oob_wake_irq); 4164 enable_irq(data->oob_wake_irq); 4165 } 4166 4167 /* For global suspend, Realtek devices lose the loaded fw 4168 * in them. But for autosuspend, firmware should remain. 4169 * Actually, it depends on whether the usb host sends 4170 * set feature (enable wakeup) or not. 4171 */ 4172 if (test_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags)) { 4173 if (PMSG_IS_AUTO(message) && 4174 device_can_wakeup(&data->udev->dev)) 4175 data->udev->do_remote_wakeup = 1; 4176 else if (!PMSG_IS_AUTO(message) && 4177 !device_may_wakeup(&data->udev->dev)) { 4178 data->udev->do_remote_wakeup = 0; 4179 data->udev->reset_resume = 1; 4180 } 4181 } 4182 4183 return 0; 4184 } 4185 4186 static void play_deferred(struct btusb_data *data) 4187 { 4188 struct urb *urb; 4189 int err; 4190 4191 while ((urb = usb_get_from_anchor(&data->deferred))) { 4192 usb_anchor_urb(urb, &data->tx_anchor); 4193 4194 err = usb_submit_urb(urb, GFP_ATOMIC); 4195 if (err < 0) { 4196 if (err != -EPERM && err != -ENODEV) 4197 BT_ERR("%s urb %p submission failed (%d)", 4198 data->hdev->name, urb, -err); 4199 kfree(urb->setup_packet); 4200 usb_unanchor_urb(urb); 4201 usb_free_urb(urb); 4202 break; 4203 } 4204 4205 data->tx_in_flight++; 4206 usb_free_urb(urb); 4207 } 4208 4209 /* Cleanup the rest deferred urbs. */ 4210 while ((urb = usb_get_from_anchor(&data->deferred))) { 4211 kfree(urb->setup_packet); 4212 usb_free_urb(urb); 4213 } 4214 } 4215 4216 static int btusb_resume(struct usb_interface *intf) 4217 { 4218 struct btusb_data *data = usb_get_intfdata(intf); 4219 struct hci_dev *hdev = data->hdev; 4220 int err = 0; 4221 4222 BT_DBG("intf %p", intf); 4223 4224 if (--data->suspend_count) 4225 return 0; 4226 4227 /* Disable only if not already disabled (keep it balanced) */ 4228 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) { 4229 disable_irq(data->oob_wake_irq); 4230 disable_irq_wake(data->oob_wake_irq); 4231 } 4232 4233 if (!test_bit(HCI_RUNNING, &hdev->flags)) 4234 goto done; 4235 4236 if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { 4237 err = btusb_submit_intr_urb(hdev, GFP_NOIO); 4238 if (err < 0) { 4239 clear_bit(BTUSB_INTR_RUNNING, &data->flags); 4240 goto failed; 4241 } 4242 } 4243 4244 if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { 4245 err = btusb_submit_bulk_urb(hdev, GFP_NOIO); 4246 if (err < 0) { 4247 clear_bit(BTUSB_BULK_RUNNING, &data->flags); 4248 goto failed; 4249 } 4250 4251 btusb_submit_bulk_urb(hdev, GFP_NOIO); 4252 } 4253 4254 if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { 4255 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) 4256 clear_bit(BTUSB_ISOC_RUNNING, &data->flags); 4257 else 4258 btusb_submit_isoc_urb(hdev, GFP_NOIO); 4259 } 4260 4261 if (data->resume) 4262 data->resume(hdev); 4263 4264 spin_lock_irq(&data->txlock); 4265 play_deferred(data); 4266 clear_bit(BTUSB_SUSPENDING, &data->flags); 4267 spin_unlock_irq(&data->txlock); 4268 schedule_work(&data->work); 4269 4270 return 0; 4271 4272 failed: 4273 usb_scuttle_anchored_urbs(&data->deferred); 4274 done: 4275 spin_lock_irq(&data->txlock); 4276 clear_bit(BTUSB_SUSPENDING, &data->flags); 4277 spin_unlock_irq(&data->txlock); 4278 4279 return err; 4280 } 4281 #endif 4282 4283 #ifdef CONFIG_DEV_COREDUMP 4284 static void btusb_coredump(struct device *dev) 4285 { 4286 struct btusb_data *data = dev_get_drvdata(dev); 4287 struct hci_dev *hdev = data->hdev; 4288 4289 if (hdev->dump.coredump) 4290 hdev->dump.coredump(hdev); 4291 } 4292 #endif 4293 4294 static struct usb_driver btusb_driver = { 4295 .name = "btusb", 4296 .probe = btusb_probe, 4297 .disconnect = btusb_disconnect, 4298 #ifdef CONFIG_PM 4299 .suspend = btusb_suspend, 4300 .resume = btusb_resume, 4301 #endif 4302 .id_table = btusb_table, 4303 .supports_autosuspend = 1, 4304 .disable_hub_initiated_lpm = 1, 4305 4306 #ifdef CONFIG_DEV_COREDUMP 4307 .driver = { 4308 .coredump = btusb_coredump, 4309 }, 4310 #endif 4311 }; 4312 4313 module_usb_driver(btusb_driver); 4314 4315 module_param(disable_scofix, bool, 0644); 4316 MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); 4317 4318 module_param(force_scofix, bool, 0644); 4319 MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); 4320 4321 module_param(enable_autosuspend, bool, 0644); 4322 MODULE_PARM_DESC(enable_autosuspend, "Enable USB autosuspend by default"); 4323 4324 module_param(reset, bool, 0644); 4325 MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); 4326 4327 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); 4328 MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); 4329 MODULE_VERSION(VERSION); 4330 MODULE_LICENSE("GPL"); 4331