1 /*- 2 * Copyright (c) 2009 Andrew Thompson 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 * 24 * $FreeBSD$ 25 */ 26 #ifndef _USB_USBDI_H_ 27 #define _USB_USBDI_H_ 28 29 struct usb_fifo; 30 struct usb_xfer; 31 struct usb_device; 32 struct usb_interface; 33 struct usb_endpoint; 34 struct usb_page_cache; 35 struct usb_page_search; 36 struct usb_process; 37 struct usb_proc_msg; 38 struct usb_mbuf; 39 struct mbuf; 40 41 typedef enum { /* keep in sync with usb_errstr_table */ 42 USB_ERR_NORMAL_COMPLETION = 0, 43 USB_ERR_PENDING_REQUESTS, /* 1 */ 44 USB_ERR_NOT_STARTED, /* 2 */ 45 USB_ERR_INVAL, /* 3 */ 46 USB_ERR_NOMEM, /* 4 */ 47 USB_ERR_CANCELLED, /* 5 */ 48 USB_ERR_BAD_ADDRESS, /* 6 */ 49 USB_ERR_BAD_BUFSIZE, /* 7 */ 50 USB_ERR_BAD_FLAG, /* 8 */ 51 USB_ERR_NO_CALLBACK, /* 9 */ 52 USB_ERR_IN_USE, /* 10 */ 53 USB_ERR_NO_ADDR, /* 11 */ 54 USB_ERR_NO_PIPE, /* 12 */ 55 USB_ERR_ZERO_NFRAMES, /* 13 */ 56 USB_ERR_ZERO_MAXP, /* 14 */ 57 USB_ERR_SET_ADDR_FAILED, /* 15 */ 58 USB_ERR_NO_POWER, /* 16 */ 59 USB_ERR_TOO_DEEP, /* 17 */ 60 USB_ERR_IOERROR, /* 18 */ 61 USB_ERR_NOT_CONFIGURED, /* 19 */ 62 USB_ERR_TIMEOUT, /* 20 */ 63 USB_ERR_SHORT_XFER, /* 21 */ 64 USB_ERR_STALLED, /* 22 */ 65 USB_ERR_INTERRUPTED, /* 23 */ 66 USB_ERR_DMA_LOAD_FAILED, /* 24 */ 67 USB_ERR_BAD_CONTEXT, /* 25 */ 68 USB_ERR_NO_ROOT_HUB, /* 26 */ 69 USB_ERR_NO_INTR_THREAD, /* 27 */ 70 USB_ERR_NOT_LOCKED, /* 28 */ 71 USB_ERR_MAX 72 } usb_error_t; 73 74 /* 75 * Flags for transfers 76 */ 77 #define USB_FORCE_SHORT_XFER 0x0001 /* force a short transmit last */ 78 #define USB_SHORT_XFER_OK 0x0004 /* allow short reads */ 79 #define USB_DELAY_STATUS_STAGE 0x0010 /* insert delay before STATUS stage */ 80 #define USB_USER_DATA_PTR 0x0020 /* internal flag */ 81 82 #define USB_NO_TIMEOUT 0 83 #define USB_DEFAULT_TIMEOUT 5000 /* 5000 ms = 5 seconds */ 84 85 #if defined(_KERNEL) 86 /* typedefs */ 87 88 typedef void (usb_callback_t)(struct usb_xfer *, usb_error_t); 89 typedef void (usb_proc_callback_t)(struct usb_proc_msg *); 90 typedef usb_error_t (usb_handle_req_t)(struct usb_device *, 91 struct usb_device_request *, const void **, uint16_t *); 92 93 typedef int (usb_fifo_open_t)(struct usb_fifo *fifo, int fflags); 94 typedef void (usb_fifo_close_t)(struct usb_fifo *fifo, int fflags); 95 typedef int (usb_fifo_ioctl_t)(struct usb_fifo *fifo, u_long cmd, void *addr, int fflags); 96 typedef void (usb_fifo_cmd_t)(struct usb_fifo *fifo); 97 typedef void (usb_fifo_filter_t)(struct usb_fifo *fifo, struct usb_mbuf *m); 98 99 /* 100 * The following macros are used used to convert milliseconds into 101 * HZ. We use 1024 instead of 1000 milliseconds per second to save a 102 * full division. 103 */ 104 #define USB_MS_HZ 1024 105 106 #define USB_MS_TO_TICKS(ms) \ 107 (((uint32_t)((((uint32_t)(ms)) * ((uint32_t)(hz))) + USB_MS_HZ - 1)) / USB_MS_HZ) 108 109 /* 110 * Common queue structure for USB transfers. 111 */ 112 struct usb_xfer_queue { 113 TAILQ_HEAD(, usb_xfer) head; 114 struct usb_xfer *curr; /* current USB transfer processed */ 115 void (*command) (struct usb_xfer_queue *pq); 116 uint8_t recurse_1:1; 117 uint8_t recurse_2:1; 118 }; 119 120 /* 121 * The following structure defines an USB endpoint 122 * USB endpoint. 123 */ 124 struct usb_endpoint { 125 struct usb_xfer_queue endpoint_q; /* queue of USB transfers */ 126 127 struct usb_endpoint_descriptor *edesc; 128 struct usb_pipe_methods *methods; /* set by HC driver */ 129 130 uint16_t isoc_next; 131 uint16_t refcount; 132 133 uint8_t toggle_next:1; /* next data toggle value */ 134 uint8_t is_stalled:1; /* set if endpoint is stalled */ 135 uint8_t is_synced:1; /* set if we a synchronised */ 136 uint8_t unused:5; 137 uint8_t iface_index; /* not used by "default endpoint" */ 138 }; 139 140 /* 141 * The following structure defines an USB interface. 142 */ 143 struct usb_interface { 144 struct usb_interface_descriptor *idesc; 145 device_t subdev; 146 uint8_t alt_index; 147 uint8_t parent_iface_index; 148 149 /* Linux compat */ 150 struct usb_host_interface *altsetting; 151 struct usb_host_interface *cur_altsetting; 152 struct usb_device *linux_udev; 153 void *bsd_priv_sc; /* device specific information */ 154 uint8_t num_altsetting; /* number of alternate settings */ 155 uint8_t bsd_iface_index; 156 }; 157 158 /* 159 * The following structure defines a set of USB transfer flags. 160 */ 161 struct usb_xfer_flags { 162 uint8_t force_short_xfer:1; /* force a short transmit transfer 163 * last */ 164 uint8_t short_xfer_ok:1; /* allow short receive transfers */ 165 uint8_t short_frames_ok:1; /* allow short frames */ 166 uint8_t pipe_bof:1; /* block pipe on failure */ 167 uint8_t proxy_buffer:1; /* makes buffer size a factor of 168 * "max_frame_size" */ 169 uint8_t ext_buffer:1; /* uses external DMA buffer */ 170 uint8_t manual_status:1; /* non automatic status stage on 171 * control transfers */ 172 uint8_t no_pipe_ok:1; /* set if "USB_ERR_NO_PIPE" error can 173 * be ignored */ 174 uint8_t stall_pipe:1; /* set if the endpoint belonging to 175 * this USB transfer should be stalled 176 * before starting this transfer! */ 177 }; 178 179 /* 180 * The following structure define an USB configuration, that basically 181 * is used when setting up an USB transfer. 182 */ 183 struct usb_config { 184 usb_callback_t *callback; /* USB transfer callback */ 185 usb_frlength_t bufsize; /* total pipe buffer size in bytes */ 186 usb_frcount_t frames; /* maximum number of USB frames */ 187 usb_timeout_t interval; /* interval in milliseconds */ 188 #define USB_DEFAULT_INTERVAL 0 189 usb_timeout_t timeout; /* transfer timeout in milliseconds */ 190 struct usb_xfer_flags flags; /* transfer flags */ 191 enum usb_hc_mode usb_mode; /* host or device mode */ 192 uint8_t type; /* pipe type */ 193 uint8_t endpoint; /* pipe number */ 194 uint8_t direction; /* pipe direction */ 195 uint8_t ep_index; /* pipe index match to use */ 196 uint8_t if_index; /* "ifaces" index to use */ 197 }; 198 199 /* 200 * The following structure is used when looking up an USB driver for 201 * an USB device. It is inspired by the Linux structure called 202 * "usb_device_id". 203 */ 204 struct usb_device_id { 205 206 /* Hook for driver specific information */ 207 unsigned long driver_info; 208 209 /* Used for product specific matches; the BCD range is inclusive */ 210 uint16_t idVendor; 211 uint16_t idProduct; 212 uint16_t bcdDevice_lo; 213 uint16_t bcdDevice_hi; 214 215 /* Used for device class matches */ 216 uint8_t bDeviceClass; 217 uint8_t bDeviceSubClass; 218 uint8_t bDeviceProtocol; 219 220 /* Used for interface class matches */ 221 uint8_t bInterfaceClass; 222 uint8_t bInterfaceSubClass; 223 uint8_t bInterfaceProtocol; 224 225 /* Select which fields to match against */ 226 uint8_t match_flag_vendor:1; 227 uint8_t match_flag_product:1; 228 uint8_t match_flag_dev_lo:1; 229 uint8_t match_flag_dev_hi:1; 230 uint8_t match_flag_dev_class:1; 231 uint8_t match_flag_dev_subclass:1; 232 uint8_t match_flag_dev_protocol:1; 233 uint8_t match_flag_int_class:1; 234 uint8_t match_flag_int_subclass:1; 235 uint8_t match_flag_int_protocol:1; 236 237 #if USB_HAVE_COMPAT_LINUX 238 /* which fields to match against */ 239 uint16_t match_flags; 240 #define USB_DEVICE_ID_MATCH_VENDOR 0x0001 241 #define USB_DEVICE_ID_MATCH_PRODUCT 0x0002 242 #define USB_DEVICE_ID_MATCH_DEV_LO 0x0004 243 #define USB_DEVICE_ID_MATCH_DEV_HI 0x0008 244 #define USB_DEVICE_ID_MATCH_DEV_CLASS 0x0010 245 #define USB_DEVICE_ID_MATCH_DEV_SUBCLASS 0x0020 246 #define USB_DEVICE_ID_MATCH_DEV_PROTOCOL 0x0040 247 #define USB_DEVICE_ID_MATCH_INT_CLASS 0x0080 248 #define USB_DEVICE_ID_MATCH_INT_SUBCLASS 0x0100 249 #define USB_DEVICE_ID_MATCH_INT_PROTOCOL 0x0200 250 #endif 251 }; 252 253 #define USB_VENDOR(vend) \ 254 .match_flag_vendor = 1, .idVendor = (vend) 255 256 #define USB_PRODUCT(prod) \ 257 .match_flag_product = 1, .idProduct = (prod) 258 259 #define USB_VP(vend,prod) \ 260 USB_VENDOR(vend), USB_PRODUCT(prod) 261 262 #define USB_VPI(vend,prod,info) \ 263 USB_VENDOR(vend), USB_PRODUCT(prod), USB_DRIVER_INFO(info) 264 265 #define USB_DEV_BCD_GTEQ(lo) /* greater than or equal */ \ 266 .match_flag_dev_lo = 1, .bcdDevice_lo = (lo) 267 268 #define USB_DEV_BCD_LTEQ(hi) /* less than or equal */ \ 269 .match_flag_dev_hi = 1, .bcdDevice_hi = (hi) 270 271 #define USB_DEV_CLASS(dc) \ 272 .match_flag_dev_class = 1, .bDeviceClass = (dc) 273 274 #define USB_DEV_SUBCLASS(dsc) \ 275 .match_flag_dev_subclass = 1, .bDeviceSubClass = (dsc) 276 277 #define USB_DEV_PROTOCOL(dp) \ 278 .match_flag_dev_protocol = 1, .bDeviceProtocol = (dp) 279 280 #define USB_IFACE_CLASS(ic) \ 281 .match_flag_int_class = 1, .bInterfaceClass = (ic) 282 283 #define USB_IFACE_SUBCLASS(isc) \ 284 .match_flag_int_subclass = 1, .bInterfaceSubClass = (isc) 285 286 #define USB_IFACE_PROTOCOL(ip) \ 287 .match_flag_int_protocol = 1, .bInterfaceProtocol = (ip) 288 289 #define USB_IF_CSI(class,subclass,info) \ 290 USB_IFACE_CLASS(class), USB_IFACE_SUBCLASS(subclass), USB_DRIVER_INFO(info) 291 292 #define USB_DRIVER_INFO(n) \ 293 .driver_info = (n) 294 295 #define USB_GET_DRIVER_INFO(did) \ 296 (did)->driver_info 297 298 /* 299 * The following structure keeps information that is used to match 300 * against an array of "usb_device_id" elements. 301 */ 302 struct usbd_lookup_info { 303 uint16_t idVendor; 304 uint16_t idProduct; 305 uint16_t bcdDevice; 306 uint8_t bDeviceClass; 307 uint8_t bDeviceSubClass; 308 uint8_t bDeviceProtocol; 309 uint8_t bInterfaceClass; 310 uint8_t bInterfaceSubClass; 311 uint8_t bInterfaceProtocol; 312 uint8_t bIfaceIndex; 313 uint8_t bIfaceNum; 314 uint8_t bConfigIndex; 315 uint8_t bConfigNum; 316 }; 317 318 /* Structure used by probe and attach */ 319 320 struct usb_attach_arg { 321 struct usbd_lookup_info info; 322 device_t temp_dev; /* for internal use */ 323 unsigned long driver_info; /* for internal use */ 324 void *driver_ivar; 325 struct usb_device *device; /* current device */ 326 struct usb_interface *iface; /* current interface */ 327 enum usb_hc_mode usb_mode; /* host or device mode */ 328 uint8_t port; 329 uint8_t use_generic; /* hint for generic drivers */ 330 }; 331 332 /* 333 * The following is a wrapper for the callout structure to ease 334 * porting the code to other platforms. 335 */ 336 struct usb_callout { 337 struct callout co; 338 }; 339 #define usb_callout_init_mtx(c,m,f) callout_init_mtx(&(c)->co,m,f) 340 #define usb_callout_reset(c,t,f,d) callout_reset(&(c)->co,t,f,d) 341 #define usb_callout_stop(c) callout_stop(&(c)->co) 342 #define usb_callout_drain(c) callout_drain(&(c)->co) 343 #define usb_callout_pending(c) callout_pending(&(c)->co) 344 345 /* USB transfer states */ 346 347 #define USB_ST_SETUP 0 348 #define USB_ST_TRANSFERRED 1 349 #define USB_ST_ERROR 2 350 351 /* USB handle request states */ 352 #define USB_HR_NOT_COMPLETE 0 353 #define USB_HR_COMPLETE_OK 1 354 #define USB_HR_COMPLETE_ERR 2 355 356 /* 357 * The following macro will return the current state of an USB 358 * transfer like defined by the "USB_ST_XXX" enums. 359 */ 360 #define USB_GET_STATE(xfer) (usbd_xfer_state(xfer)) 361 362 /* 363 * The following structure defines the USB process message header. 364 */ 365 struct usb_proc_msg { 366 TAILQ_ENTRY(usb_proc_msg) pm_qentry; 367 usb_proc_callback_t *pm_callback; 368 usb_size_t pm_num; 369 }; 370 371 #define USB_FIFO_TX 0 372 #define USB_FIFO_RX 1 373 374 /* 375 * Locking note for the following functions. All the 376 * "usb_fifo_cmd_t" and "usb_fifo_filter_t" functions are called 377 * locked. The others are called unlocked. 378 */ 379 struct usb_fifo_methods { 380 usb_fifo_open_t *f_open; 381 usb_fifo_close_t *f_close; 382 usb_fifo_ioctl_t *f_ioctl; 383 /* 384 * NOTE: The post-ioctl callback is called after the USB reference 385 * gets locked in the IOCTL handler: 386 */ 387 usb_fifo_ioctl_t *f_ioctl_post; 388 usb_fifo_cmd_t *f_start_read; 389 usb_fifo_cmd_t *f_stop_read; 390 usb_fifo_cmd_t *f_start_write; 391 usb_fifo_cmd_t *f_stop_write; 392 usb_fifo_filter_t *f_filter_read; 393 usb_fifo_filter_t *f_filter_write; 394 const char *basename[4]; 395 const char *postfix[4]; 396 }; 397 398 struct usb_fifo_sc { 399 struct usb_fifo *fp[2]; 400 struct cdev* dev; 401 }; 402 403 const char *usbd_errstr(usb_error_t error); 404 void *usbd_find_descriptor(struct usb_device *udev, void *id, 405 uint8_t iface_index, uint8_t type, uint8_t type_mask, 406 uint8_t subtype, uint8_t subtype_mask); 407 struct usb_config_descriptor *usbd_get_config_descriptor( 408 struct usb_device *udev); 409 struct usb_device_descriptor *usbd_get_device_descriptor( 410 struct usb_device *udev); 411 struct usb_interface *usbd_get_iface(struct usb_device *udev, 412 uint8_t iface_index); 413 struct usb_interface_descriptor *usbd_get_interface_descriptor( 414 struct usb_interface *iface); 415 struct usb_endpoint *usbd_get_endpoint(struct usb_device *udev, uint8_t iface_index, 416 const struct usb_config *setup); 417 struct usb_endpoint *usbd_get_ep_by_addr(struct usb_device *udev, uint8_t ea_val); 418 usb_error_t usbd_interface_count(struct usb_device *udev, uint8_t *count); 419 enum usb_hc_mode usbd_get_mode(struct usb_device *udev); 420 enum usb_dev_speed usbd_get_speed(struct usb_device *udev); 421 void device_set_usb_desc(device_t dev); 422 void usb_pause_mtx(struct mtx *mtx, int _ticks); 423 424 const struct usb_device_id *usbd_lookup_id_by_info( 425 const struct usb_device_id *id, usb_size_t sizeof_id, 426 const struct usbd_lookup_info *info); 427 int usbd_lookup_id_by_uaa(const struct usb_device_id *id, 428 usb_size_t sizeof_id, struct usb_attach_arg *uaa); 429 430 usb_error_t usbd_do_request_flags(struct usb_device *udev, struct mtx *mtx, 431 struct usb_device_request *req, void *data, uint16_t flags, 432 uint16_t *actlen, usb_timeout_t timeout); 433 #define usbd_do_request(u,m,r,d) \ 434 usbd_do_request_flags(u,m,r,d,0,NULL,USB_DEFAULT_TIMEOUT) 435 436 uint8_t usbd_clear_stall_callback(struct usb_xfer *xfer1, 437 struct usb_xfer *xfer2); 438 uint8_t usbd_get_interface_altindex(struct usb_interface *iface); 439 usb_error_t usbd_set_alt_interface_index(struct usb_device *udev, 440 uint8_t iface_index, uint8_t alt_index); 441 uint32_t usbd_get_isoc_fps(struct usb_device *udev); 442 usb_error_t usbd_transfer_setup(struct usb_device *udev, 443 const uint8_t *ifaces, struct usb_xfer **pxfer, 444 const struct usb_config *setup_start, uint16_t n_setup, 445 void *priv_sc, struct mtx *priv_mtx); 446 void usbd_transfer_submit(struct usb_xfer *xfer); 447 void usbd_transfer_clear_stall(struct usb_xfer *xfer); 448 void usbd_transfer_drain(struct usb_xfer *xfer); 449 uint8_t usbd_transfer_pending(struct usb_xfer *xfer); 450 void usbd_transfer_start(struct usb_xfer *xfer); 451 void usbd_transfer_stop(struct usb_xfer *xfer); 452 void usbd_transfer_unsetup(struct usb_xfer **pxfer, uint16_t n_setup); 453 void usbd_transfer_poll(struct usb_xfer **ppxfer, uint16_t max); 454 void usbd_set_parent_iface(struct usb_device *udev, uint8_t iface_index, 455 uint8_t parent_index); 456 uint8_t usbd_get_bus_index(struct usb_device *udev); 457 uint8_t usbd_get_device_index(struct usb_device *udev); 458 void usbd_set_power_mode(struct usb_device *udev, uint8_t power_mode); 459 uint8_t usbd_device_attached(struct usb_device *udev); 460 461 void usbd_xfer_status(struct usb_xfer *xfer, int *actlen, int *sumlen, 462 int *aframes, int *nframes); 463 struct usb_page_cache *usbd_xfer_get_frame(struct usb_xfer *xfer, 464 usb_frcount_t frindex); 465 void *usbd_xfer_softc(struct usb_xfer *xfer); 466 void *usbd_xfer_get_priv(struct usb_xfer *xfer); 467 void usbd_xfer_set_priv(struct usb_xfer *xfer, void *); 468 void usbd_xfer_set_interval(struct usb_xfer *xfer, int); 469 uint8_t usbd_xfer_state(struct usb_xfer *xfer); 470 void usbd_xfer_set_frame_data(struct usb_xfer *xfer, usb_frcount_t frindex, 471 void *ptr, usb_frlength_t len); 472 void usbd_xfer_frame_data(struct usb_xfer *xfer, usb_frcount_t frindex, 473 void **ptr, int *len); 474 void usbd_xfer_set_frame_offset(struct usb_xfer *xfer, usb_frlength_t offset, 475 usb_frcount_t frindex); 476 usb_frlength_t usbd_xfer_max_len(struct usb_xfer *xfer); 477 usb_frlength_t usbd_xfer_max_framelen(struct usb_xfer *xfer); 478 usb_frcount_t usbd_xfer_max_frames(struct usb_xfer *xfer); 479 usb_frlength_t usbd_xfer_frame_len(struct usb_xfer *xfer, 480 usb_frcount_t frindex); 481 void usbd_xfer_set_frame_len(struct usb_xfer *xfer, usb_frcount_t frindex, 482 usb_frlength_t len); 483 void usbd_xfer_set_timeout(struct usb_xfer *xfer, int timeout); 484 void usbd_xfer_set_frames(struct usb_xfer *xfer, usb_frcount_t n); 485 void usbd_xfer_set_stall(struct usb_xfer *xfer); 486 int usbd_xfer_is_stalled(struct usb_xfer *xfer); 487 void usbd_xfer_set_flag(struct usb_xfer *xfer, int flag); 488 void usbd_xfer_clr_flag(struct usb_xfer *xfer, int flag); 489 490 void usbd_copy_in(struct usb_page_cache *cache, usb_frlength_t offset, 491 const void *ptr, usb_frlength_t len); 492 int usbd_copy_in_user(struct usb_page_cache *cache, usb_frlength_t offset, 493 const void *ptr, usb_frlength_t len); 494 void usbd_copy_out(struct usb_page_cache *cache, usb_frlength_t offset, 495 void *ptr, usb_frlength_t len); 496 int usbd_copy_out_user(struct usb_page_cache *cache, usb_frlength_t offset, 497 void *ptr, usb_frlength_t len); 498 void usbd_get_page(struct usb_page_cache *pc, usb_frlength_t offset, 499 struct usb_page_search *res); 500 void usbd_m_copy_in(struct usb_page_cache *cache, usb_frlength_t dst_offset, 501 struct mbuf *m, usb_size_t src_offset, usb_frlength_t src_len); 502 void usbd_frame_zero(struct usb_page_cache *cache, usb_frlength_t offset, 503 usb_frlength_t len); 504 505 int usb_fifo_attach(struct usb_device *udev, void *priv_sc, 506 struct mtx *priv_mtx, struct usb_fifo_methods *pm, 507 struct usb_fifo_sc *f_sc, uint16_t unit, uint16_t subunit, 508 uint8_t iface_index, uid_t uid, gid_t gid, int mode); 509 void usb_fifo_detach(struct usb_fifo_sc *f_sc); 510 int usb_fifo_alloc_buffer(struct usb_fifo *f, uint32_t bufsize, 511 uint16_t nbuf); 512 void usb_fifo_free_buffer(struct usb_fifo *f); 513 uint32_t usb_fifo_put_bytes_max(struct usb_fifo *fifo); 514 void usb_fifo_put_data(struct usb_fifo *fifo, struct usb_page_cache *pc, 515 usb_frlength_t offset, usb_frlength_t len, uint8_t what); 516 void usb_fifo_put_data_linear(struct usb_fifo *fifo, void *ptr, 517 usb_size_t len, uint8_t what); 518 uint8_t usb_fifo_put_data_buffer(struct usb_fifo *f, void *ptr, usb_size_t len); 519 void usb_fifo_put_data_error(struct usb_fifo *fifo); 520 uint8_t usb_fifo_get_data(struct usb_fifo *fifo, struct usb_page_cache *pc, 521 usb_frlength_t offset, usb_frlength_t len, usb_frlength_t *actlen, 522 uint8_t what); 523 uint8_t usb_fifo_get_data_linear(struct usb_fifo *fifo, void *ptr, 524 usb_size_t len, usb_size_t *actlen, uint8_t what); 525 uint8_t usb_fifo_get_data_buffer(struct usb_fifo *f, void **pptr, 526 usb_size_t *plen); 527 void usb_fifo_reset(struct usb_fifo *f); 528 void usb_fifo_wakeup(struct usb_fifo *f); 529 void usb_fifo_get_data_error(struct usb_fifo *fifo); 530 void *usb_fifo_softc(struct usb_fifo *fifo); 531 #endif /* _KERNEL */ 532 #endif /* _USB_USBDI_H_ */ 533