1 #ifndef QEMU_USB_H 2 #define QEMU_USB_H 3 4 /* 5 * QEMU USB API 6 * 7 * Copyright (c) 2005 Fabrice Bellard 8 * 9 * Permission is hereby granted, free of charge, to any person obtaining a copy 10 * of this software and associated documentation files (the "Software"), to deal 11 * in the Software without restriction, including without limitation the rights 12 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 13 * copies of the Software, and to permit persons to whom the Software is 14 * furnished to do so, subject to the following conditions: 15 * 16 * The above copyright notice and this permission notice shall be included in 17 * all copies or substantial portions of the Software. 18 * 19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 22 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 23 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 24 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 25 * THE SOFTWARE. 26 */ 27 28 #include "hw/qdev.h" 29 #include "qemu/queue.h" 30 31 /* Constants related to the USB / PCI interaction */ 32 #define USB_SBRN 0x60 /* Serial Bus Release Number Register */ 33 #define USB_RELEASE_1 0x10 /* USB 1.0 */ 34 #define USB_RELEASE_2 0x20 /* USB 2.0 */ 35 #define USB_RELEASE_3 0x30 /* USB 3.0 */ 36 37 #define USB_TOKEN_SETUP 0x2d 38 #define USB_TOKEN_IN 0x69 /* device -> host */ 39 #define USB_TOKEN_OUT 0xe1 /* host -> device */ 40 41 #define USB_RET_SUCCESS (0) 42 #define USB_RET_NODEV (-1) 43 #define USB_RET_NAK (-2) 44 #define USB_RET_STALL (-3) 45 #define USB_RET_BABBLE (-4) 46 #define USB_RET_IOERROR (-5) 47 #define USB_RET_ASYNC (-6) 48 #define USB_RET_ADD_TO_QUEUE (-7) 49 #define USB_RET_REMOVE_FROM_QUEUE (-8) 50 51 #define USB_SPEED_LOW 0 52 #define USB_SPEED_FULL 1 53 #define USB_SPEED_HIGH 2 54 #define USB_SPEED_SUPER 3 55 56 #define USB_SPEED_MASK_LOW (1 << USB_SPEED_LOW) 57 #define USB_SPEED_MASK_FULL (1 << USB_SPEED_FULL) 58 #define USB_SPEED_MASK_HIGH (1 << USB_SPEED_HIGH) 59 #define USB_SPEED_MASK_SUPER (1 << USB_SPEED_SUPER) 60 61 #define USB_STATE_NOTATTACHED 0 62 #define USB_STATE_ATTACHED 1 63 //#define USB_STATE_POWERED 2 64 #define USB_STATE_DEFAULT 3 65 //#define USB_STATE_ADDRESS 4 66 //#define USB_STATE_CONFIGURED 5 67 #define USB_STATE_SUSPENDED 6 68 69 #define USB_CLASS_AUDIO 1 70 #define USB_CLASS_COMM 2 71 #define USB_CLASS_HID 3 72 #define USB_CLASS_PHYSICAL 5 73 #define USB_CLASS_STILL_IMAGE 6 74 #define USB_CLASS_PRINTER 7 75 #define USB_CLASS_MASS_STORAGE 8 76 #define USB_CLASS_HUB 9 77 #define USB_CLASS_CDC_DATA 0x0a 78 #define USB_CLASS_CSCID 0x0b 79 #define USB_CLASS_CONTENT_SEC 0x0d 80 #define USB_CLASS_APP_SPEC 0xfe 81 #define USB_CLASS_VENDOR_SPEC 0xff 82 83 #define USB_SUBCLASS_UNDEFINED 0 84 #define USB_SUBCLASS_AUDIO_CONTROL 1 85 #define USB_SUBCLASS_AUDIO_STREAMING 2 86 #define USB_SUBCLASS_AUDIO_MIDISTREAMING 3 87 88 #define USB_DIR_OUT 0 89 #define USB_DIR_IN 0x80 90 91 #define USB_TYPE_MASK (0x03 << 5) 92 #define USB_TYPE_STANDARD (0x00 << 5) 93 #define USB_TYPE_CLASS (0x01 << 5) 94 #define USB_TYPE_VENDOR (0x02 << 5) 95 #define USB_TYPE_RESERVED (0x03 << 5) 96 97 #define USB_RECIP_MASK 0x1f 98 #define USB_RECIP_DEVICE 0x00 99 #define USB_RECIP_INTERFACE 0x01 100 #define USB_RECIP_ENDPOINT 0x02 101 #define USB_RECIP_OTHER 0x03 102 103 #define DeviceRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8) 104 #define DeviceOutRequest ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_DEVICE)<<8) 105 #define InterfaceRequest \ 106 ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8) 107 #define InterfaceOutRequest \ 108 ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_INTERFACE)<<8) 109 #define EndpointRequest ((USB_DIR_IN|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8) 110 #define EndpointOutRequest \ 111 ((USB_DIR_OUT|USB_TYPE_STANDARD|USB_RECIP_ENDPOINT)<<8) 112 #define ClassInterfaceRequest \ 113 ((USB_DIR_IN|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8) 114 #define ClassInterfaceOutRequest \ 115 ((USB_DIR_OUT|USB_TYPE_CLASS|USB_RECIP_INTERFACE)<<8) 116 117 #define USB_REQ_GET_STATUS 0x00 118 #define USB_REQ_CLEAR_FEATURE 0x01 119 #define USB_REQ_SET_FEATURE 0x03 120 #define USB_REQ_SET_ADDRESS 0x05 121 #define USB_REQ_GET_DESCRIPTOR 0x06 122 #define USB_REQ_SET_DESCRIPTOR 0x07 123 #define USB_REQ_GET_CONFIGURATION 0x08 124 #define USB_REQ_SET_CONFIGURATION 0x09 125 #define USB_REQ_GET_INTERFACE 0x0A 126 #define USB_REQ_SET_INTERFACE 0x0B 127 #define USB_REQ_SYNCH_FRAME 0x0C 128 129 #define USB_DEVICE_SELF_POWERED 0 130 #define USB_DEVICE_REMOTE_WAKEUP 1 131 132 #define USB_DT_DEVICE 0x01 133 #define USB_DT_CONFIG 0x02 134 #define USB_DT_STRING 0x03 135 #define USB_DT_INTERFACE 0x04 136 #define USB_DT_ENDPOINT 0x05 137 #define USB_DT_DEVICE_QUALIFIER 0x06 138 #define USB_DT_OTHER_SPEED_CONFIG 0x07 139 #define USB_DT_DEBUG 0x0A 140 #define USB_DT_INTERFACE_ASSOC 0x0B 141 #define USB_DT_BOS 0x0F 142 #define USB_DT_DEVICE_CAPABILITY 0x10 143 #define USB_DT_CS_INTERFACE 0x24 144 #define USB_DT_CS_ENDPOINT 0x25 145 #define USB_DT_ENDPOINT_COMPANION 0x30 146 147 #define USB_DEV_CAP_WIRELESS 0x01 148 #define USB_DEV_CAP_USB2_EXT 0x02 149 #define USB_DEV_CAP_SUPERSPEED 0x03 150 151 #define USB_ENDPOINT_XFER_CONTROL 0 152 #define USB_ENDPOINT_XFER_ISOC 1 153 #define USB_ENDPOINT_XFER_BULK 2 154 #define USB_ENDPOINT_XFER_INT 3 155 #define USB_ENDPOINT_XFER_INVALID 255 156 157 #define USB_INTERFACE_INVALID 255 158 159 typedef struct USBBus USBBus; 160 typedef struct USBBusOps USBBusOps; 161 typedef struct USBPort USBPort; 162 typedef struct USBDevice USBDevice; 163 typedef struct USBPacket USBPacket; 164 typedef struct USBCombinedPacket USBCombinedPacket; 165 typedef struct USBEndpoint USBEndpoint; 166 167 typedef struct USBDesc USBDesc; 168 typedef struct USBDescID USBDescID; 169 typedef struct USBDescDevice USBDescDevice; 170 typedef struct USBDescConfig USBDescConfig; 171 typedef struct USBDescIfaceAssoc USBDescIfaceAssoc; 172 typedef struct USBDescIface USBDescIface; 173 typedef struct USBDescEndpoint USBDescEndpoint; 174 typedef struct USBDescOther USBDescOther; 175 typedef struct USBDescString USBDescString; 176 177 struct USBDescString { 178 uint8_t index; 179 char *str; 180 QLIST_ENTRY(USBDescString) next; 181 }; 182 183 #define USB_MAX_ENDPOINTS 15 184 #define USB_MAX_INTERFACES 16 185 186 struct USBEndpoint { 187 uint8_t nr; 188 uint8_t pid; 189 uint8_t type; 190 uint8_t ifnum; 191 int max_packet_size; 192 bool pipeline; 193 bool halted; 194 USBDevice *dev; 195 QTAILQ_HEAD(, USBPacket) queue; 196 }; 197 198 enum USBDeviceFlags { 199 USB_DEV_FLAG_FULL_PATH, 200 USB_DEV_FLAG_IS_HOST, 201 }; 202 203 /* definition of a USB device */ 204 struct USBDevice { 205 DeviceState qdev; 206 USBPort *port; 207 char *port_path; 208 void *opaque; 209 uint32_t flags; 210 211 /* Actual connected speed */ 212 int speed; 213 /* Supported speeds, not in info because it may be variable (hostdevs) */ 214 int speedmask; 215 uint8_t addr; 216 char product_desc[32]; 217 int auto_attach; 218 int attached; 219 220 int32_t state; 221 uint8_t setup_buf[8]; 222 uint8_t data_buf[4096]; 223 int32_t remote_wakeup; 224 int32_t setup_state; 225 int32_t setup_len; 226 int32_t setup_index; 227 228 USBEndpoint ep_ctl; 229 USBEndpoint ep_in[USB_MAX_ENDPOINTS]; 230 USBEndpoint ep_out[USB_MAX_ENDPOINTS]; 231 232 QLIST_HEAD(, USBDescString) strings; 233 const USBDesc *usb_desc; /* Overrides class usb_desc if not NULL */ 234 const USBDescDevice *device; 235 236 int configuration; 237 int ninterfaces; 238 int altsetting[USB_MAX_INTERFACES]; 239 const USBDescConfig *config; 240 const USBDescIface *ifaces[USB_MAX_INTERFACES]; 241 }; 242 243 #define TYPE_USB_DEVICE "usb-device" 244 #define USB_DEVICE(obj) \ 245 OBJECT_CHECK(USBDevice, (obj), TYPE_USB_DEVICE) 246 #define USB_DEVICE_CLASS(klass) \ 247 OBJECT_CLASS_CHECK(USBDeviceClass, (klass), TYPE_USB_DEVICE) 248 #define USB_DEVICE_GET_CLASS(obj) \ 249 OBJECT_GET_CLASS(USBDeviceClass, (obj), TYPE_USB_DEVICE) 250 251 typedef struct USBDeviceClass { 252 DeviceClass parent_class; 253 254 int (*init)(USBDevice *dev); 255 256 /* 257 * Walk (enabled) downstream ports, check for a matching device. 258 * Only hubs implement this. 259 */ 260 USBDevice *(*find_device)(USBDevice *dev, uint8_t addr); 261 262 /* 263 * Called when a packet is canceled. 264 */ 265 void (*cancel_packet)(USBDevice *dev, USBPacket *p); 266 267 /* 268 * Called when device is destroyed. 269 */ 270 void (*handle_destroy)(USBDevice *dev); 271 272 /* 273 * Attach the device 274 */ 275 void (*handle_attach)(USBDevice *dev); 276 277 /* 278 * Reset the device 279 */ 280 void (*handle_reset)(USBDevice *dev); 281 282 /* 283 * Process control request. 284 * Called from handle_packet(). 285 * 286 * Status gets stored in p->status, and if p->status == USB_RET_SUCCESS 287 * then the number of bytes transferred is stored in p->actual_length 288 */ 289 void (*handle_control)(USBDevice *dev, USBPacket *p, int request, int value, 290 int index, int length, uint8_t *data); 291 292 /* 293 * Process data transfers (both BULK and ISOC). 294 * Called from handle_packet(). 295 * 296 * Status gets stored in p->status, and if p->status == USB_RET_SUCCESS 297 * then the number of bytes transferred is stored in p->actual_length 298 */ 299 void (*handle_data)(USBDevice *dev, USBPacket *p); 300 301 void (*set_interface)(USBDevice *dev, int interface, 302 int alt_old, int alt_new); 303 304 /* 305 * Called when the hcd is done queuing packets for an endpoint, only 306 * necessary for devices which can return USB_RET_ADD_TO_QUEUE. 307 */ 308 void (*flush_ep_queue)(USBDevice *dev, USBEndpoint *ep); 309 310 /* 311 * Called by the hcd to let the device know the queue for an endpoint 312 * has been unlinked / stopped. Optional may be NULL. 313 */ 314 void (*ep_stopped)(USBDevice *dev, USBEndpoint *ep); 315 316 const char *product_desc; 317 const USBDesc *usb_desc; 318 } USBDeviceClass; 319 320 typedef struct USBPortOps { 321 void (*attach)(USBPort *port); 322 void (*detach)(USBPort *port); 323 /* 324 * This gets called when a device downstream from the device attached to 325 * the port (iow attached through a hub) gets detached. 326 */ 327 void (*child_detach)(USBPort *port, USBDevice *child); 328 void (*wakeup)(USBPort *port); 329 /* 330 * Note that port->dev will be different then the device from which 331 * the packet originated when a hub is involved. 332 */ 333 void (*complete)(USBPort *port, USBPacket *p); 334 } USBPortOps; 335 336 /* USB port on which a device can be connected */ 337 struct USBPort { 338 USBDevice *dev; 339 int speedmask; 340 int hubcount; 341 char path[16]; 342 USBPortOps *ops; 343 void *opaque; 344 int index; /* internal port index, may be used with the opaque */ 345 QTAILQ_ENTRY(USBPort) next; 346 }; 347 348 typedef void USBCallback(USBPacket * packet, void *opaque); 349 350 typedef enum USBPacketState { 351 USB_PACKET_UNDEFINED = 0, 352 USB_PACKET_SETUP, 353 USB_PACKET_QUEUED, 354 USB_PACKET_ASYNC, 355 USB_PACKET_COMPLETE, 356 USB_PACKET_CANCELED, 357 } USBPacketState; 358 359 /* Structure used to hold information about an active USB packet. */ 360 struct USBPacket { 361 /* Data fields for use by the driver. */ 362 int pid; 363 uint64_t id; 364 USBEndpoint *ep; 365 unsigned int stream; 366 QEMUIOVector iov; 367 uint64_t parameter; /* control transfers */ 368 bool short_not_ok; 369 bool int_req; 370 int status; /* USB_RET_* status code */ 371 int actual_length; /* Number of bytes actually transferred */ 372 /* Internal use by the USB layer. */ 373 USBPacketState state; 374 USBCombinedPacket *combined; 375 QTAILQ_ENTRY(USBPacket) queue; 376 QTAILQ_ENTRY(USBPacket) combined_entry; 377 }; 378 379 struct USBCombinedPacket { 380 USBPacket *first; 381 QTAILQ_HEAD(packets_head, USBPacket) packets; 382 QEMUIOVector iov; 383 }; 384 385 void usb_packet_init(USBPacket *p); 386 void usb_packet_set_state(USBPacket *p, USBPacketState state); 387 void usb_packet_check_state(USBPacket *p, USBPacketState expected); 388 void usb_packet_setup(USBPacket *p, int pid, 389 USBEndpoint *ep, unsigned int stream, 390 uint64_t id, bool short_not_ok, bool int_req); 391 void usb_packet_addbuf(USBPacket *p, void *ptr, size_t len); 392 int usb_packet_map(USBPacket *p, QEMUSGList *sgl); 393 void usb_packet_unmap(USBPacket *p, QEMUSGList *sgl); 394 void usb_packet_copy(USBPacket *p, void *ptr, size_t bytes); 395 void usb_packet_skip(USBPacket *p, size_t bytes); 396 size_t usb_packet_size(USBPacket *p); 397 void usb_packet_cleanup(USBPacket *p); 398 399 static inline bool usb_packet_is_inflight(USBPacket *p) 400 { 401 return (p->state == USB_PACKET_QUEUED || 402 p->state == USB_PACKET_ASYNC); 403 } 404 405 USBDevice *usb_find_device(USBPort *port, uint8_t addr); 406 407 void usb_handle_packet(USBDevice *dev, USBPacket *p); 408 void usb_packet_complete(USBDevice *dev, USBPacket *p); 409 void usb_packet_complete_one(USBDevice *dev, USBPacket *p); 410 void usb_cancel_packet(USBPacket * p); 411 412 void usb_ep_init(USBDevice *dev); 413 void usb_ep_reset(USBDevice *dev); 414 void usb_ep_dump(USBDevice *dev); 415 struct USBEndpoint *usb_ep_get(USBDevice *dev, int pid, int ep); 416 uint8_t usb_ep_get_type(USBDevice *dev, int pid, int ep); 417 uint8_t usb_ep_get_ifnum(USBDevice *dev, int pid, int ep); 418 void usb_ep_set_type(USBDevice *dev, int pid, int ep, uint8_t type); 419 void usb_ep_set_ifnum(USBDevice *dev, int pid, int ep, uint8_t ifnum); 420 void usb_ep_set_max_packet_size(USBDevice *dev, int pid, int ep, 421 uint16_t raw); 422 int usb_ep_get_max_packet_size(USBDevice *dev, int pid, int ep); 423 void usb_ep_set_pipeline(USBDevice *dev, int pid, int ep, bool enabled); 424 void usb_ep_set_halted(USBDevice *dev, int pid, int ep, bool halted); 425 USBPacket *usb_ep_find_packet_by_id(USBDevice *dev, int pid, int ep, 426 uint64_t id); 427 428 void usb_ep_combine_input_packets(USBEndpoint *ep); 429 void usb_combined_input_packet_complete(USBDevice *dev, USBPacket *p); 430 void usb_combined_packet_cancel(USBDevice *dev, USBPacket *p); 431 432 void usb_attach(USBPort *port); 433 void usb_detach(USBPort *port); 434 void usb_port_reset(USBPort *port); 435 void usb_device_reset(USBDevice *dev); 436 void usb_wakeup(USBEndpoint *ep, unsigned int stream); 437 void usb_generic_async_ctrl_complete(USBDevice *s, USBPacket *p); 438 int set_usb_string(uint8_t *buf, const char *str); 439 440 /* usb-linux.c */ 441 USBDevice *usb_host_device_open(USBBus *bus, const char *devname); 442 void usb_host_info(Monitor *mon, const QDict *qdict); 443 444 /* usb-bt.c */ 445 USBDevice *usb_bt_init(USBBus *bus, HCIInfo *hci); 446 447 /* usb ports of the VM */ 448 449 #define VM_USB_HUB_SIZE 8 450 451 /* usb-musb.c */ 452 enum musb_irq_source_e { 453 musb_irq_suspend = 0, 454 musb_irq_resume, 455 musb_irq_rst_babble, 456 musb_irq_sof, 457 musb_irq_connect, 458 musb_irq_disconnect, 459 musb_irq_vbus_request, 460 musb_irq_vbus_error, 461 musb_irq_rx, 462 musb_irq_tx, 463 musb_set_vbus, 464 musb_set_session, 465 /* Add new interrupts here */ 466 musb_irq_max, /* total number of interrupts defined */ 467 }; 468 469 typedef struct MUSBState MUSBState; 470 MUSBState *musb_init(DeviceState *parent_device, int gpio_base); 471 void musb_reset(MUSBState *s); 472 uint32_t musb_core_intr_get(MUSBState *s); 473 void musb_core_intr_clear(MUSBState *s, uint32_t mask); 474 void musb_set_size(MUSBState *s, int epnum, int size, int is_tx); 475 476 /* usb-bus.c */ 477 478 #define TYPE_USB_BUS "usb-bus" 479 #define USB_BUS(obj) OBJECT_CHECK(USBBus, (obj), TYPE_USB_BUS) 480 481 struct USBBus { 482 BusState qbus; 483 USBBusOps *ops; 484 int busnr; 485 int nfree; 486 int nused; 487 QTAILQ_HEAD(, USBPort) free; 488 QTAILQ_HEAD(, USBPort) used; 489 QTAILQ_ENTRY(USBBus) next; 490 }; 491 492 struct USBBusOps { 493 int (*register_companion)(USBBus *bus, USBPort *ports[], 494 uint32_t portcount, uint32_t firstport); 495 void (*wakeup_endpoint)(USBBus *bus, USBEndpoint *ep, unsigned int stream); 496 }; 497 498 void usb_bus_new(USBBus *bus, USBBusOps *ops, DeviceState *host); 499 USBBus *usb_bus_find(int busnr); 500 void usb_legacy_register(const char *typename, const char *usbdevice_name, 501 USBDevice *(*usbdevice_init)(USBBus *bus, 502 const char *params)); 503 USBDevice *usb_create(USBBus *bus, const char *name); 504 USBDevice *usb_create_simple(USBBus *bus, const char *name); 505 USBDevice *usbdevice_create(const char *cmdline); 506 void usb_register_port(USBBus *bus, USBPort *port, void *opaque, int index, 507 USBPortOps *ops, int speedmask); 508 int usb_register_companion(const char *masterbus, USBPort *ports[], 509 uint32_t portcount, uint32_t firstport, 510 void *opaque, USBPortOps *ops, int speedmask); 511 void usb_port_location(USBPort *downstream, USBPort *upstream, int portnr); 512 void usb_unregister_port(USBBus *bus, USBPort *port); 513 int usb_claim_port(USBDevice *dev); 514 void usb_release_port(USBDevice *dev); 515 int usb_device_attach(USBDevice *dev); 516 int usb_device_detach(USBDevice *dev); 517 int usb_device_delete_addr(int busnr, int addr); 518 519 static inline USBBus *usb_bus_from_device(USBDevice *d) 520 { 521 return DO_UPCAST(USBBus, qbus, d->qdev.parent_bus); 522 } 523 524 extern const VMStateDescription vmstate_usb_device; 525 526 #define VMSTATE_USB_DEVICE(_field, _state) { \ 527 .name = (stringify(_field)), \ 528 .size = sizeof(USBDevice), \ 529 .vmsd = &vmstate_usb_device, \ 530 .flags = VMS_STRUCT, \ 531 .offset = vmstate_offset_value(_state, _field, USBDevice), \ 532 } 533 534 USBDevice *usb_device_find_device(USBDevice *dev, uint8_t addr); 535 536 void usb_device_cancel_packet(USBDevice *dev, USBPacket *p); 537 538 void usb_device_handle_attach(USBDevice *dev); 539 540 void usb_device_handle_reset(USBDevice *dev); 541 542 void usb_device_handle_control(USBDevice *dev, USBPacket *p, int request, 543 int val, int index, int length, uint8_t *data); 544 545 void usb_device_handle_data(USBDevice *dev, USBPacket *p); 546 547 void usb_device_set_interface(USBDevice *dev, int interface, 548 int alt_old, int alt_new); 549 550 void usb_device_flush_ep_queue(USBDevice *dev, USBEndpoint *ep); 551 552 void usb_device_ep_stopped(USBDevice *dev, USBEndpoint *ep); 553 554 const char *usb_device_get_product_desc(USBDevice *dev); 555 556 const USBDesc *usb_device_get_usb_desc(USBDevice *dev); 557 558 int ehci_create_ich9_with_companions(PCIBus *bus, int slot); 559 560 /* quirks.c */ 561 562 /* In bulk endpoints are streaming data sources (iow behave like isoc eps) */ 563 #define USB_QUIRK_BUFFER_BULK_IN 0x01 564 /* Bulk pkts in FTDI format, need special handling when combining packets */ 565 #define USB_QUIRK_IS_FTDI 0x02 566 567 int usb_get_quirks(uint16_t vendor_id, uint16_t product_id, 568 uint8_t interface_class, uint8_t interface_subclass, 569 uint8_t interface_protocol); 570 571 #endif 572