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 #define USB_MULTI_SHORT_OK 0x0040 /* allow multiple short frames */ 82 #define USB_MANUAL_STATUS 0x0080 /* manual ctrl status */ 83 84 #define USB_NO_TIMEOUT 0 85 #define USB_DEFAULT_TIMEOUT 5000 /* 5000 ms = 5 seconds */ 86 87 #if defined(_KERNEL) 88 /* typedefs */ 89 90 typedef void (usb_callback_t)(struct usb_xfer *, usb_error_t); 91 typedef void (usb_proc_callback_t)(struct usb_proc_msg *); 92 typedef usb_error_t (usb_handle_req_t)(struct usb_device *, 93 struct usb_device_request *, const void **, uint16_t *); 94 95 typedef int (usb_fifo_open_t)(struct usb_fifo *fifo, int fflags); 96 typedef void (usb_fifo_close_t)(struct usb_fifo *fifo, int fflags); 97 typedef int (usb_fifo_ioctl_t)(struct usb_fifo *fifo, u_long cmd, void *addr, int fflags); 98 typedef void (usb_fifo_cmd_t)(struct usb_fifo *fifo); 99 typedef void (usb_fifo_filter_t)(struct usb_fifo *fifo, struct usb_mbuf *m); 100 101 /* 102 * The following macros are used used to convert milliseconds into 103 * HZ. We use 1024 instead of 1000 milliseconds per second to save a 104 * full division. 105 */ 106 #define USB_MS_HZ 1024 107 108 #define USB_MS_TO_TICKS(ms) \ 109 (((uint32_t)((((uint32_t)(ms)) * ((uint32_t)(hz))) + USB_MS_HZ - 1)) / USB_MS_HZ) 110 111 /* 112 * Common queue structure for USB transfers. 113 */ 114 struct usb_xfer_queue { 115 TAILQ_HEAD(, usb_xfer) head; 116 struct usb_xfer *curr; /* current USB transfer processed */ 117 void (*command) (struct usb_xfer_queue *pq); 118 uint8_t recurse_1:1; 119 uint8_t recurse_2:1; 120 }; 121 122 /* 123 * The following structure defines an USB endpoint 124 * USB endpoint. 125 */ 126 struct usb_endpoint { 127 struct usb_xfer_queue endpoint_q; /* queue of USB transfers */ 128 129 struct usb_endpoint_descriptor *edesc; 130 struct usb_pipe_methods *methods; /* set by HC driver */ 131 132 uint16_t isoc_next; 133 uint16_t refcount; 134 135 uint8_t toggle_next:1; /* next data toggle value */ 136 uint8_t is_stalled:1; /* set if endpoint is stalled */ 137 uint8_t is_synced:1; /* set if we a synchronised */ 138 uint8_t unused:5; 139 uint8_t iface_index; /* not used by "default endpoint" */ 140 }; 141 142 /* 143 * The following structure defines an USB interface. 144 */ 145 struct usb_interface { 146 struct usb_interface_descriptor *idesc; 147 device_t subdev; 148 uint8_t alt_index; 149 uint8_t parent_iface_index; 150 151 /* Linux compat */ 152 struct usb_host_interface *altsetting; 153 struct usb_host_interface *cur_altsetting; 154 struct usb_device *linux_udev; 155 void *bsd_priv_sc; /* device specific information */ 156 uint8_t num_altsetting; /* number of alternate settings */ 157 uint8_t bsd_iface_index; 158 }; 159 160 /* 161 * The following structure defines a set of USB transfer flags. 162 */ 163 struct usb_xfer_flags { 164 uint8_t force_short_xfer:1; /* force a short transmit transfer 165 * last */ 166 uint8_t short_xfer_ok:1; /* allow short receive transfers */ 167 uint8_t short_frames_ok:1; /* allow short frames */ 168 uint8_t pipe_bof:1; /* block pipe on failure */ 169 uint8_t proxy_buffer:1; /* makes buffer size a factor of 170 * "max_frame_size" */ 171 uint8_t ext_buffer:1; /* uses external DMA buffer */ 172 uint8_t manual_status:1; /* non automatic status stage on 173 * control transfers */ 174 uint8_t no_pipe_ok:1; /* set if "USB_ERR_NO_PIPE" error can 175 * be ignored */ 176 uint8_t stall_pipe:1; /* set if the endpoint belonging to 177 * this USB transfer should be stalled 178 * before starting this transfer! */ 179 }; 180 181 /* 182 * The following structure define an USB configuration, that basically 183 * is used when setting up an USB transfer. 184 */ 185 struct usb_config { 186 usb_callback_t *callback; /* USB transfer callback */ 187 usb_frlength_t bufsize; /* total pipe buffer size in bytes */ 188 usb_frcount_t frames; /* maximum number of USB frames */ 189 usb_timeout_t interval; /* interval in milliseconds */ 190 #define USB_DEFAULT_INTERVAL 0 191 usb_timeout_t timeout; /* transfer timeout in milliseconds */ 192 struct usb_xfer_flags flags; /* transfer flags */ 193 enum usb_hc_mode usb_mode; /* host or device mode */ 194 uint8_t type; /* pipe type */ 195 uint8_t endpoint; /* pipe number */ 196 uint8_t direction; /* pipe direction */ 197 uint8_t ep_index; /* pipe index match to use */ 198 uint8_t if_index; /* "ifaces" index to use */ 199 }; 200 201 /* 202 * The following structure is used when looking up an USB driver for 203 * an USB device. It is inspired by the Linux structure called 204 * "usb_device_id". 205 */ 206 struct usb_device_id { 207 208 /* Hook for driver specific information */ 209 unsigned long driver_info; 210 211 /* Used for product specific matches; the BCD range is inclusive */ 212 uint16_t idVendor; 213 uint16_t idProduct; 214 uint16_t bcdDevice_lo; 215 uint16_t bcdDevice_hi; 216 217 /* Used for device class matches */ 218 uint8_t bDeviceClass; 219 uint8_t bDeviceSubClass; 220 uint8_t bDeviceProtocol; 221 222 /* Used for interface class matches */ 223 uint8_t bInterfaceClass; 224 uint8_t bInterfaceSubClass; 225 uint8_t bInterfaceProtocol; 226 227 /* Select which fields to match against */ 228 uint8_t match_flag_vendor:1; 229 uint8_t match_flag_product:1; 230 uint8_t match_flag_dev_lo:1; 231 uint8_t match_flag_dev_hi:1; 232 uint8_t match_flag_dev_class:1; 233 uint8_t match_flag_dev_subclass:1; 234 uint8_t match_flag_dev_protocol:1; 235 uint8_t match_flag_int_class:1; 236 uint8_t match_flag_int_subclass:1; 237 uint8_t match_flag_int_protocol:1; 238 239 #if USB_HAVE_COMPAT_LINUX 240 /* which fields to match against */ 241 uint16_t match_flags; 242 #define USB_DEVICE_ID_MATCH_VENDOR 0x0001 243 #define USB_DEVICE_ID_MATCH_PRODUCT 0x0002 244 #define USB_DEVICE_ID_MATCH_DEV_LO 0x0004 245 #define USB_DEVICE_ID_MATCH_DEV_HI 0x0008 246 #define USB_DEVICE_ID_MATCH_DEV_CLASS 0x0010 247 #define USB_DEVICE_ID_MATCH_DEV_SUBCLASS 0x0020 248 #define USB_DEVICE_ID_MATCH_DEV_PROTOCOL 0x0040 249 #define USB_DEVICE_ID_MATCH_INT_CLASS 0x0080 250 #define USB_DEVICE_ID_MATCH_INT_SUBCLASS 0x0100 251 #define USB_DEVICE_ID_MATCH_INT_PROTOCOL 0x0200 252 #endif 253 }; 254 255 #define USB_VENDOR(vend) \ 256 .match_flag_vendor = 1, .idVendor = (vend) 257 258 #define USB_PRODUCT(prod) \ 259 .match_flag_product = 1, .idProduct = (prod) 260 261 #define USB_VP(vend,prod) \ 262 USB_VENDOR(vend), USB_PRODUCT(prod) 263 264 #define USB_VPI(vend,prod,info) \ 265 USB_VENDOR(vend), USB_PRODUCT(prod), USB_DRIVER_INFO(info) 266 267 #define USB_DEV_BCD_GTEQ(lo) /* greater than or equal */ \ 268 .match_flag_dev_lo = 1, .bcdDevice_lo = (lo) 269 270 #define USB_DEV_BCD_LTEQ(hi) /* less than or equal */ \ 271 .match_flag_dev_hi = 1, .bcdDevice_hi = (hi) 272 273 #define USB_DEV_CLASS(dc) \ 274 .match_flag_dev_class = 1, .bDeviceClass = (dc) 275 276 #define USB_DEV_SUBCLASS(dsc) \ 277 .match_flag_dev_subclass = 1, .bDeviceSubClass = (dsc) 278 279 #define USB_DEV_PROTOCOL(dp) \ 280 .match_flag_dev_protocol = 1, .bDeviceProtocol = (dp) 281 282 #define USB_IFACE_CLASS(ic) \ 283 .match_flag_int_class = 1, .bInterfaceClass = (ic) 284 285 #define USB_IFACE_SUBCLASS(isc) \ 286 .match_flag_int_subclass = 1, .bInterfaceSubClass = (isc) 287 288 #define USB_IFACE_PROTOCOL(ip) \ 289 .match_flag_int_protocol = 1, .bInterfaceProtocol = (ip) 290 291 #define USB_IF_CSI(class,subclass,info) \ 292 USB_IFACE_CLASS(class), USB_IFACE_SUBCLASS(subclass), USB_DRIVER_INFO(info) 293 294 #define USB_DRIVER_INFO(n) \ 295 .driver_info = (n) 296 297 #define USB_GET_DRIVER_INFO(did) \ 298 (did)->driver_info 299 300 /* 301 * The following structure keeps information that is used to match 302 * against an array of "usb_device_id" elements. 303 */ 304 struct usbd_lookup_info { 305 uint16_t idVendor; 306 uint16_t idProduct; 307 uint16_t bcdDevice; 308 uint8_t bDeviceClass; 309 uint8_t bDeviceSubClass; 310 uint8_t bDeviceProtocol; 311 uint8_t bInterfaceClass; 312 uint8_t bInterfaceSubClass; 313 uint8_t bInterfaceProtocol; 314 uint8_t bIfaceIndex; 315 uint8_t bIfaceNum; 316 uint8_t bConfigIndex; 317 uint8_t bConfigNum; 318 }; 319 320 /* Structure used by probe and attach */ 321 322 struct usb_attach_arg { 323 struct usbd_lookup_info info; 324 device_t temp_dev; /* for internal use */ 325 unsigned long driver_info; /* for internal use */ 326 void *driver_ivar; 327 struct usb_device *device; /* current device */ 328 struct usb_interface *iface; /* current interface */ 329 enum usb_hc_mode usb_mode; /* host or device mode */ 330 uint8_t port; 331 uint8_t use_generic; /* hint for generic drivers */ 332 }; 333 334 /* 335 * The following is a wrapper for the callout structure to ease 336 * porting the code to other platforms. 337 */ 338 struct usb_callout { 339 struct callout co; 340 }; 341 #define usb_callout_init_mtx(c,m,f) callout_init_mtx(&(c)->co,m,f) 342 #define usb_callout_reset(c,t,f,d) callout_reset(&(c)->co,t,f,d) 343 #define usb_callout_stop(c) callout_stop(&(c)->co) 344 #define usb_callout_drain(c) callout_drain(&(c)->co) 345 #define usb_callout_pending(c) callout_pending(&(c)->co) 346 347 /* USB transfer states */ 348 349 #define USB_ST_SETUP 0 350 #define USB_ST_TRANSFERRED 1 351 #define USB_ST_ERROR 2 352 353 /* USB handle request states */ 354 #define USB_HR_NOT_COMPLETE 0 355 #define USB_HR_COMPLETE_OK 1 356 #define USB_HR_COMPLETE_ERR 2 357 358 /* 359 * The following macro will return the current state of an USB 360 * transfer like defined by the "USB_ST_XXX" enums. 361 */ 362 #define USB_GET_STATE(xfer) (usbd_xfer_state(xfer)) 363 364 /* 365 * The following structure defines the USB process message header. 366 */ 367 struct usb_proc_msg { 368 TAILQ_ENTRY(usb_proc_msg) pm_qentry; 369 usb_proc_callback_t *pm_callback; 370 usb_size_t pm_num; 371 }; 372 373 #define USB_FIFO_TX 0 374 #define USB_FIFO_RX 1 375 376 /* 377 * Locking note for the following functions. All the 378 * "usb_fifo_cmd_t" and "usb_fifo_filter_t" functions are called 379 * locked. The others are called unlocked. 380 */ 381 struct usb_fifo_methods { 382 usb_fifo_open_t *f_open; 383 usb_fifo_close_t *f_close; 384 usb_fifo_ioctl_t *f_ioctl; 385 /* 386 * NOTE: The post-ioctl callback is called after the USB reference 387 * gets locked in the IOCTL handler: 388 */ 389 usb_fifo_ioctl_t *f_ioctl_post; 390 usb_fifo_cmd_t *f_start_read; 391 usb_fifo_cmd_t *f_stop_read; 392 usb_fifo_cmd_t *f_start_write; 393 usb_fifo_cmd_t *f_stop_write; 394 usb_fifo_filter_t *f_filter_read; 395 usb_fifo_filter_t *f_filter_write; 396 const char *basename[4]; 397 const char *postfix[4]; 398 }; 399 400 struct usb_fifo_sc { 401 struct usb_fifo *fp[2]; 402 struct cdev* dev; 403 }; 404 405 const char *usbd_errstr(usb_error_t error); 406 void *usbd_find_descriptor(struct usb_device *udev, void *id, 407 uint8_t iface_index, uint8_t type, uint8_t type_mask, 408 uint8_t subtype, uint8_t subtype_mask); 409 struct usb_config_descriptor *usbd_get_config_descriptor( 410 struct usb_device *udev); 411 struct usb_device_descriptor *usbd_get_device_descriptor( 412 struct usb_device *udev); 413 struct usb_interface *usbd_get_iface(struct usb_device *udev, 414 uint8_t iface_index); 415 struct usb_interface_descriptor *usbd_get_interface_descriptor( 416 struct usb_interface *iface); 417 struct usb_endpoint *usbd_get_endpoint(struct usb_device *udev, uint8_t iface_index, 418 const struct usb_config *setup); 419 struct usb_endpoint *usbd_get_ep_by_addr(struct usb_device *udev, uint8_t ea_val); 420 usb_error_t usbd_interface_count(struct usb_device *udev, uint8_t *count); 421 enum usb_hc_mode usbd_get_mode(struct usb_device *udev); 422 enum usb_dev_speed usbd_get_speed(struct usb_device *udev); 423 void device_set_usb_desc(device_t dev); 424 void usb_pause_mtx(struct mtx *mtx, int _ticks); 425 426 const struct usb_device_id *usbd_lookup_id_by_info( 427 const struct usb_device_id *id, usb_size_t sizeof_id, 428 const struct usbd_lookup_info *info); 429 int usbd_lookup_id_by_uaa(const struct usb_device_id *id, 430 usb_size_t sizeof_id, struct usb_attach_arg *uaa); 431 432 usb_error_t usbd_do_request_flags(struct usb_device *udev, struct mtx *mtx, 433 struct usb_device_request *req, void *data, uint16_t flags, 434 uint16_t *actlen, usb_timeout_t timeout); 435 #define usbd_do_request(u,m,r,d) \ 436 usbd_do_request_flags(u,m,r,d,0,NULL,USB_DEFAULT_TIMEOUT) 437 438 uint8_t usbd_clear_stall_callback(struct usb_xfer *xfer1, 439 struct usb_xfer *xfer2); 440 uint8_t usbd_get_interface_altindex(struct usb_interface *iface); 441 usb_error_t usbd_set_alt_interface_index(struct usb_device *udev, 442 uint8_t iface_index, uint8_t alt_index); 443 uint32_t usbd_get_isoc_fps(struct usb_device *udev); 444 usb_error_t usbd_transfer_setup(struct usb_device *udev, 445 const uint8_t *ifaces, struct usb_xfer **pxfer, 446 const struct usb_config *setup_start, uint16_t n_setup, 447 void *priv_sc, struct mtx *priv_mtx); 448 void usbd_transfer_submit(struct usb_xfer *xfer); 449 void usbd_transfer_clear_stall(struct usb_xfer *xfer); 450 void usbd_transfer_drain(struct usb_xfer *xfer); 451 uint8_t usbd_transfer_pending(struct usb_xfer *xfer); 452 void usbd_transfer_start(struct usb_xfer *xfer); 453 void usbd_transfer_stop(struct usb_xfer *xfer); 454 void usbd_transfer_unsetup(struct usb_xfer **pxfer, uint16_t n_setup); 455 void usbd_transfer_poll(struct usb_xfer **ppxfer, uint16_t max); 456 void usbd_set_parent_iface(struct usb_device *udev, uint8_t iface_index, 457 uint8_t parent_index); 458 uint8_t usbd_get_bus_index(struct usb_device *udev); 459 uint8_t usbd_get_device_index(struct usb_device *udev); 460 void usbd_set_power_mode(struct usb_device *udev, uint8_t power_mode); 461 uint8_t usbd_device_attached(struct usb_device *udev); 462 463 void usbd_xfer_status(struct usb_xfer *xfer, int *actlen, int *sumlen, 464 int *aframes, int *nframes); 465 struct usb_page_cache *usbd_xfer_get_frame(struct usb_xfer *xfer, 466 usb_frcount_t frindex); 467 void *usbd_xfer_softc(struct usb_xfer *xfer); 468 void *usbd_xfer_get_priv(struct usb_xfer *xfer); 469 void usbd_xfer_set_priv(struct usb_xfer *xfer, void *); 470 void usbd_xfer_set_interval(struct usb_xfer *xfer, int); 471 uint8_t usbd_xfer_state(struct usb_xfer *xfer); 472 void usbd_xfer_set_frame_data(struct usb_xfer *xfer, usb_frcount_t frindex, 473 void *ptr, usb_frlength_t len); 474 void usbd_xfer_frame_data(struct usb_xfer *xfer, usb_frcount_t frindex, 475 void **ptr, int *len); 476 void usbd_xfer_set_frame_offset(struct usb_xfer *xfer, usb_frlength_t offset, 477 usb_frcount_t frindex); 478 usb_frlength_t usbd_xfer_max_len(struct usb_xfer *xfer); 479 usb_frlength_t usbd_xfer_max_framelen(struct usb_xfer *xfer); 480 usb_frcount_t usbd_xfer_max_frames(struct usb_xfer *xfer); 481 usb_frlength_t usbd_xfer_frame_len(struct usb_xfer *xfer, 482 usb_frcount_t frindex); 483 void usbd_xfer_set_frame_len(struct usb_xfer *xfer, usb_frcount_t frindex, 484 usb_frlength_t len); 485 void usbd_xfer_set_timeout(struct usb_xfer *xfer, int timeout); 486 void usbd_xfer_set_frames(struct usb_xfer *xfer, usb_frcount_t n); 487 void usbd_xfer_set_stall(struct usb_xfer *xfer); 488 int usbd_xfer_is_stalled(struct usb_xfer *xfer); 489 void usbd_xfer_set_flag(struct usb_xfer *xfer, int flag); 490 void usbd_xfer_clr_flag(struct usb_xfer *xfer, int flag); 491 uint16_t usbd_xfer_get_timestamp(struct usb_xfer *xfer); 492 493 void usbd_copy_in(struct usb_page_cache *cache, usb_frlength_t offset, 494 const void *ptr, usb_frlength_t len); 495 int usbd_copy_in_user(struct usb_page_cache *cache, usb_frlength_t offset, 496 const void *ptr, usb_frlength_t len); 497 void usbd_copy_out(struct usb_page_cache *cache, usb_frlength_t offset, 498 void *ptr, usb_frlength_t len); 499 int usbd_copy_out_user(struct usb_page_cache *cache, usb_frlength_t offset, 500 void *ptr, usb_frlength_t len); 501 void usbd_get_page(struct usb_page_cache *pc, usb_frlength_t offset, 502 struct usb_page_search *res); 503 void usbd_m_copy_in(struct usb_page_cache *cache, usb_frlength_t dst_offset, 504 struct mbuf *m, usb_size_t src_offset, usb_frlength_t src_len); 505 void usbd_frame_zero(struct usb_page_cache *cache, usb_frlength_t offset, 506 usb_frlength_t len); 507 508 int usb_fifo_attach(struct usb_device *udev, void *priv_sc, 509 struct mtx *priv_mtx, struct usb_fifo_methods *pm, 510 struct usb_fifo_sc *f_sc, uint16_t unit, uint16_t subunit, 511 uint8_t iface_index, uid_t uid, gid_t gid, int mode); 512 void usb_fifo_detach(struct usb_fifo_sc *f_sc); 513 int usb_fifo_alloc_buffer(struct usb_fifo *f, uint32_t bufsize, 514 uint16_t nbuf); 515 void usb_fifo_free_buffer(struct usb_fifo *f); 516 uint32_t usb_fifo_put_bytes_max(struct usb_fifo *fifo); 517 void usb_fifo_put_data(struct usb_fifo *fifo, struct usb_page_cache *pc, 518 usb_frlength_t offset, usb_frlength_t len, uint8_t what); 519 void usb_fifo_put_data_linear(struct usb_fifo *fifo, void *ptr, 520 usb_size_t len, uint8_t what); 521 uint8_t usb_fifo_put_data_buffer(struct usb_fifo *f, void *ptr, usb_size_t len); 522 void usb_fifo_put_data_error(struct usb_fifo *fifo); 523 uint8_t usb_fifo_get_data(struct usb_fifo *fifo, struct usb_page_cache *pc, 524 usb_frlength_t offset, usb_frlength_t len, usb_frlength_t *actlen, 525 uint8_t what); 526 uint8_t usb_fifo_get_data_linear(struct usb_fifo *fifo, void *ptr, 527 usb_size_t len, usb_size_t *actlen, uint8_t what); 528 uint8_t usb_fifo_get_data_buffer(struct usb_fifo *f, void **pptr, 529 usb_size_t *plen); 530 void usb_fifo_reset(struct usb_fifo *f); 531 void usb_fifo_wakeup(struct usb_fifo *f); 532 void usb_fifo_get_data_error(struct usb_fifo *fifo); 533 void *usb_fifo_softc(struct usb_fifo *fifo); 534 void usb_fifo_set_close_zlp(struct usb_fifo *, uint8_t); 535 void usb_fifo_set_write_defrag(struct usb_fifo *, uint8_t); 536 void usb_fifo_free(struct usb_fifo *f); 537 #endif /* _KERNEL */ 538 #endif /* _USB_USBDI_H_ */ 539