1 /* $FreeBSD$ */ 2 /*- 3 * SPDX-License-Identifier: BSD-2-Clause 4 * 5 * Copyright (c) 2001 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Lennart Augustsson (lennart@augustsson.net). 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #ifndef _EHCI_H_ 34 #define _EHCI_H_ 35 36 #define EHCI_MAX_DEVICES MIN(USB_MAX_DEVICES, 128) 37 38 /* 39 * Alignment NOTE: structures must be aligned so that the hardware can index 40 * without performing addition. 41 */ 42 #define EHCI_FRAMELIST_ALIGN 0x1000 /* bytes */ 43 #define EHCI_FRAMELIST_COUNT 1024 /* units */ 44 #define EHCI_VIRTUAL_FRAMELIST_COUNT 128 /* units */ 45 46 #if ((8*EHCI_VIRTUAL_FRAMELIST_COUNT) < USB_MAX_HS_ISOC_FRAMES_PER_XFER) 47 #error "maximum number of high-speed isochronous frames is higher than supported!" 48 #endif 49 50 #if (EHCI_VIRTUAL_FRAMELIST_COUNT < USB_MAX_FS_ISOC_FRAMES_PER_XFER) 51 #error "maximum number of full-speed isochronous frames is higher than supported!" 52 #endif 53 54 /* Link types */ 55 #define EHCI_LINK_TERMINATE 0x00000001 56 #define EHCI_LINK_TYPE(x) ((x) & 0x00000006) 57 #define EHCI_LINK_ITD 0x0 58 #define EHCI_LINK_QH 0x2 59 #define EHCI_LINK_SITD 0x4 60 #define EHCI_LINK_FSTN 0x6 61 #define EHCI_LINK_ADDR(x) ((x) &~ 0x1f) 62 63 /* Structures alignment (bytes) */ 64 #define EHCI_ITD_ALIGN 128 65 #define EHCI_SITD_ALIGN 64 66 #define EHCI_QTD_ALIGN 64 67 #define EHCI_QH_ALIGN 128 68 #define EHCI_FSTN_ALIGN 32 69 /* Data buffers are divided into one or more pages */ 70 #define EHCI_PAGE_SIZE 0x1000 71 #if ((USB_PAGE_SIZE < EHCI_PAGE_SIZE) || (EHCI_PAGE_SIZE == 0) || \ 72 (USB_PAGE_SIZE < EHCI_ITD_ALIGN) || (EHCI_ITD_ALIGN == 0) || \ 73 (USB_PAGE_SIZE < EHCI_SITD_ALIGN) || (EHCI_SITD_ALIGN == 0) || \ 74 (USB_PAGE_SIZE < EHCI_QTD_ALIGN) || (EHCI_QTD_ALIGN == 0) || \ 75 (USB_PAGE_SIZE < EHCI_QH_ALIGN) || (EHCI_QH_ALIGN == 0) || \ 76 (USB_PAGE_SIZE < EHCI_FSTN_ALIGN) || (EHCI_FSTN_ALIGN == 0)) 77 #error "Invalid USB page size!" 78 #endif 79 80 /* 81 * Isochronous Transfer Descriptor. This descriptor is used for high speed 82 * transfers only. 83 */ 84 struct ehci_itd { 85 volatile uint32_t itd_next; 86 volatile uint32_t itd_status[8]; 87 #define EHCI_ITD_SET_LEN(x) ((x) << 16) 88 #define EHCI_ITD_GET_LEN(x) (((x) >> 16) & 0xFFF) 89 #define EHCI_ITD_IOC (1 << 15) 90 #define EHCI_ITD_SET_PG(x) ((x) << 12) 91 #define EHCI_ITD_GET_PG(x) (((x) >> 12) & 0x7) 92 #define EHCI_ITD_SET_OFFS(x) (x) 93 #define EHCI_ITD_GET_OFFS(x) (((x) >> 0) & 0xFFF) 94 #define EHCI_ITD_ACTIVE (1U << 31) 95 #define EHCI_ITD_DATABUFERR (1 << 30) 96 #define EHCI_ITD_BABBLE (1 << 29) 97 #define EHCI_ITD_XACTERR (1 << 28) 98 volatile uint32_t itd_bp[7]; 99 /* itd_bp[0] */ 100 #define EHCI_ITD_SET_ADDR(x) (x) 101 #define EHCI_ITD_GET_ADDR(x) (((x) >> 0) & 0x7F) 102 #define EHCI_ITD_SET_ENDPT(x) ((x) << 8) 103 #define EHCI_ITD_GET_ENDPT(x) (((x) >> 8) & 0xF) 104 /* itd_bp[1] */ 105 #define EHCI_ITD_SET_DIR_IN (1 << 11) 106 #define EHCI_ITD_SET_DIR_OUT (0 << 11) 107 #define EHCI_ITD_SET_MPL(x) (x) 108 #define EHCI_ITD_GET_MPL(x) (((x) >> 0) & 0x7FF) 109 volatile uint32_t itd_bp_hi[7]; 110 /* 111 * Extra information needed: 112 */ 113 uint32_t itd_self; 114 struct ehci_itd *next; 115 struct ehci_itd *prev; 116 struct ehci_itd *obj_next; 117 struct usb_page_cache *page_cache; 118 } __aligned(EHCI_ITD_ALIGN); 119 120 typedef struct ehci_itd ehci_itd_t; 121 122 /* 123 * Split Transaction Isochronous Transfer Descriptor. This descriptor is used 124 * for full speed transfers only. 125 */ 126 struct ehci_sitd { 127 volatile uint32_t sitd_next; 128 volatile uint32_t sitd_portaddr; 129 #define EHCI_SITD_SET_DIR_OUT (0 << 31) 130 #define EHCI_SITD_SET_DIR_IN (1U << 31) 131 #define EHCI_SITD_SET_ADDR(x) (x) 132 #define EHCI_SITD_GET_ADDR(x) ((x) & 0x7F) 133 #define EHCI_SITD_SET_ENDPT(x) ((x) << 8) 134 #define EHCI_SITD_GET_ENDPT(x) (((x) >> 8) & 0xF) 135 #define EHCI_SITD_GET_DIR(x) ((x) >> 31) 136 #define EHCI_SITD_SET_PORT(x) ((x) << 24) 137 #define EHCI_SITD_GET_PORT(x) (((x) >> 24) & 0x7F) 138 #define EHCI_SITD_SET_HUBA(x) ((x) << 16) 139 #define EHCI_SITD_GET_HUBA(x) (((x) >> 16) & 0x7F) 140 volatile uint32_t sitd_mask; 141 #define EHCI_SITD_SET_SMASK(x) (x) 142 #define EHCI_SITD_SET_CMASK(x) ((x) << 8) 143 volatile uint32_t sitd_status; 144 #define EHCI_SITD_COMPLETE_SPLIT (1<<1) 145 #define EHCI_SITD_START_SPLIT (0<<1) 146 #define EHCI_SITD_MISSED_MICRO_FRAME (1<<2) 147 #define EHCI_SITD_XACTERR (1<<3) 148 #define EHCI_SITD_BABBLE (1<<4) 149 #define EHCI_SITD_DATABUFERR (1<<5) 150 #define EHCI_SITD_ERROR (1<<6) 151 #define EHCI_SITD_ACTIVE (1<<7) 152 #define EHCI_SITD_IOC (1<<31) 153 #define EHCI_SITD_SET_LEN(len) ((len)<<16) 154 #define EHCI_SITD_GET_LEN(x) (((x)>>16) & 0x3FF) 155 volatile uint32_t sitd_bp[2]; 156 volatile uint32_t sitd_back; 157 volatile uint32_t sitd_bp_hi[2]; 158 /* 159 * Extra information needed: 160 */ 161 uint32_t sitd_self; 162 struct ehci_sitd *next; 163 struct ehci_sitd *prev; 164 struct ehci_sitd *obj_next; 165 struct usb_page_cache *page_cache; 166 } __aligned(EHCI_SITD_ALIGN); 167 168 typedef struct ehci_sitd ehci_sitd_t; 169 170 /* Queue Element Transfer Descriptor */ 171 struct ehci_qtd { 172 volatile uint32_t qtd_next; 173 volatile uint32_t qtd_altnext; 174 volatile uint32_t qtd_status; 175 #define EHCI_QTD_GET_STATUS(x) (((x) >> 0) & 0xff) 176 #define EHCI_QTD_SET_STATUS(x) ((x) << 0) 177 #define EHCI_QTD_ACTIVE 0x80 178 #define EHCI_QTD_HALTED 0x40 179 #define EHCI_QTD_BUFERR 0x20 180 #define EHCI_QTD_BABBLE 0x10 181 #define EHCI_QTD_XACTERR 0x08 182 #define EHCI_QTD_MISSEDMICRO 0x04 183 #define EHCI_QTD_SPLITXSTATE 0x02 184 #define EHCI_QTD_PINGSTATE 0x01 185 #define EHCI_QTD_STATERRS 0x74 186 #define EHCI_QTD_GET_PID(x) (((x) >> 8) & 0x3) 187 #define EHCI_QTD_SET_PID(x) ((x) << 8) 188 #define EHCI_QTD_PID_OUT 0x0 189 #define EHCI_QTD_PID_IN 0x1 190 #define EHCI_QTD_PID_SETUP 0x2 191 #define EHCI_QTD_GET_CERR(x) (((x) >> 10) & 0x3) 192 #define EHCI_QTD_SET_CERR(x) ((x) << 10) 193 #define EHCI_QTD_GET_C_PAGE(x) (((x) >> 12) & 0x7) 194 #define EHCI_QTD_SET_C_PAGE(x) ((x) << 12) 195 #define EHCI_QTD_GET_IOC(x) (((x) >> 15) & 0x1) 196 #define EHCI_QTD_IOC 0x00008000 197 #define EHCI_QTD_GET_BYTES(x) (((x) >> 16) & 0x7fff) 198 #define EHCI_QTD_SET_BYTES(x) ((x) << 16) 199 #define EHCI_QTD_GET_TOGGLE(x) (((x) >> 31) & 0x1) 200 #define EHCI_QTD_SET_TOGGLE(x) ((x) << 31) 201 #define EHCI_QTD_TOGGLE_MASK 0x80000000 202 #define EHCI_QTD_NBUFFERS 5 203 #define EHCI_QTD_PAYLOAD_MAX ((EHCI_QTD_NBUFFERS-1)*EHCI_PAGE_SIZE) 204 volatile uint32_t qtd_buffer[EHCI_QTD_NBUFFERS]; 205 volatile uint32_t qtd_buffer_hi[EHCI_QTD_NBUFFERS]; 206 /* 207 * Extra information needed: 208 */ 209 struct ehci_qtd *alt_next; 210 struct ehci_qtd *obj_next; 211 struct usb_page_cache *page_cache; 212 uint32_t qtd_self; 213 uint16_t len; 214 } __aligned(EHCI_QTD_ALIGN); 215 216 typedef struct ehci_qtd ehci_qtd_t; 217 218 /* Queue Head Sub Structure */ 219 struct ehci_qh_sub { 220 volatile uint32_t qtd_next; 221 volatile uint32_t qtd_altnext; 222 volatile uint32_t qtd_status; 223 volatile uint32_t qtd_buffer[EHCI_QTD_NBUFFERS]; 224 volatile uint32_t qtd_buffer_hi[EHCI_QTD_NBUFFERS]; 225 } __aligned(4); 226 227 /* Queue Head */ 228 struct ehci_qh { 229 volatile uint32_t qh_link; 230 volatile uint32_t qh_endp; 231 #define EHCI_QH_GET_ADDR(x) (((x) >> 0) & 0x7f) /* endpoint addr */ 232 #define EHCI_QH_SET_ADDR(x) (x) 233 #define EHCI_QH_ADDRMASK 0x0000007f 234 #define EHCI_QH_GET_INACT(x) (((x) >> 7) & 0x01) /* inactivate on next */ 235 #define EHCI_QH_INACT 0x00000080 236 #define EHCI_QH_GET_ENDPT(x) (((x) >> 8) & 0x0f) /* endpoint no */ 237 #define EHCI_QH_SET_ENDPT(x) ((x) << 8) 238 #define EHCI_QH_GET_EPS(x) (((x) >> 12) & 0x03) /* endpoint speed */ 239 #define EHCI_QH_SET_EPS(x) ((x) << 12) 240 #define EHCI_QH_SPEED_FULL 0x0 241 #define EHCI_QH_SPEED_LOW 0x1 242 #define EHCI_QH_SPEED_HIGH 0x2 243 #define EHCI_QH_GET_DTC(x) (((x) >> 14) & 0x01) /* data toggle control */ 244 #define EHCI_QH_DTC 0x00004000 245 #define EHCI_QH_GET_HRECL(x) (((x) >> 15) & 0x01) /* head of reclamation */ 246 #define EHCI_QH_HRECL 0x00008000 247 #define EHCI_QH_GET_MPL(x) (((x) >> 16) & 0x7ff) /* max packet len */ 248 #define EHCI_QH_SET_MPL(x) ((x) << 16) 249 #define EHCI_QH_MPLMASK 0x07ff0000 250 #define EHCI_QH_GET_CTL(x) (((x) >> 27) & 0x01) /* control endpoint */ 251 #define EHCI_QH_CTL 0x08000000 252 #define EHCI_QH_GET_NRL(x) (((x) >> 28) & 0x0f) /* NAK reload */ 253 #define EHCI_QH_SET_NRL(x) ((x) << 28) 254 volatile uint32_t qh_endphub; 255 #define EHCI_QH_GET_SMASK(x) (((x) >> 0) & 0xff) /* intr sched mask */ 256 #define EHCI_QH_SET_SMASK(x) ((x) << 0) 257 #define EHCI_QH_GET_CMASK(x) (((x) >> 8) & 0xff) /* split completion mask */ 258 #define EHCI_QH_SET_CMASK(x) ((x) << 8) 259 #define EHCI_QH_GET_HUBA(x) (((x) >> 16) & 0x7f) /* hub address */ 260 #define EHCI_QH_SET_HUBA(x) ((x) << 16) 261 #define EHCI_QH_GET_PORT(x) (((x) >> 23) & 0x7f) /* hub port */ 262 #define EHCI_QH_SET_PORT(x) ((x) << 23) 263 #define EHCI_QH_GET_MULT(x) (((x) >> 30) & 0x03) /* pipe multiplier */ 264 #define EHCI_QH_SET_MULT(x) ((x) << 30) 265 volatile uint32_t qh_curqtd; 266 struct ehci_qh_sub qh_qtd; 267 /* 268 * Extra information needed: 269 */ 270 struct ehci_qh *next; 271 struct ehci_qh *prev; 272 struct ehci_qh *obj_next; 273 struct usb_page_cache *page_cache; 274 uint32_t qh_self; 275 } __aligned(EHCI_QH_ALIGN); 276 277 typedef struct ehci_qh ehci_qh_t; 278 279 /* Periodic Frame Span Traversal Node */ 280 struct ehci_fstn { 281 volatile uint32_t fstn_link; 282 volatile uint32_t fstn_back; 283 } __aligned(EHCI_FSTN_ALIGN); 284 285 typedef struct ehci_fstn ehci_fstn_t; 286 287 struct ehci_hw_softc { 288 struct usb_page_cache pframes_pc; 289 struct usb_page_cache terminate_pc; 290 struct usb_page_cache async_start_pc; 291 struct usb_page_cache intr_start_pc[EHCI_VIRTUAL_FRAMELIST_COUNT]; 292 struct usb_page_cache isoc_hs_start_pc[EHCI_VIRTUAL_FRAMELIST_COUNT]; 293 struct usb_page_cache isoc_fs_start_pc[EHCI_VIRTUAL_FRAMELIST_COUNT]; 294 295 struct usb_page pframes_pg; 296 struct usb_page terminate_pg; 297 struct usb_page async_start_pg; 298 struct usb_page intr_start_pg[EHCI_VIRTUAL_FRAMELIST_COUNT]; 299 struct usb_page isoc_hs_start_pg[EHCI_VIRTUAL_FRAMELIST_COUNT]; 300 struct usb_page isoc_fs_start_pg[EHCI_VIRTUAL_FRAMELIST_COUNT]; 301 }; 302 303 struct ehci_config_desc { 304 struct usb_config_descriptor confd; 305 struct usb_interface_descriptor ifcd; 306 struct usb_endpoint_descriptor endpd; 307 } __packed; 308 309 union ehci_hub_desc { 310 struct usb_status stat; 311 struct usb_port_status ps; 312 struct usb_hub_descriptor hubd; 313 uint8_t temp[128]; 314 }; 315 316 typedef struct ehci_softc { 317 struct ehci_hw_softc sc_hw; 318 struct usb_bus sc_bus; /* base device */ 319 struct usb_callout sc_tmo_pcd; 320 struct usb_callout sc_tmo_poll; 321 union ehci_hub_desc sc_hub_desc; 322 323 struct usb_device *sc_devices[EHCI_MAX_DEVICES]; 324 struct resource *sc_io_res; 325 struct resource *sc_irq_res; 326 struct ehci_qh *sc_async_p_last; 327 struct ehci_qh *sc_intr_p_last[EHCI_VIRTUAL_FRAMELIST_COUNT]; 328 struct ehci_sitd *sc_isoc_fs_p_last[EHCI_VIRTUAL_FRAMELIST_COUNT]; 329 struct ehci_itd *sc_isoc_hs_p_last[EHCI_VIRTUAL_FRAMELIST_COUNT]; 330 void *sc_intr_hdl; 331 bus_size_t sc_io_size; 332 bus_space_tag_t sc_io_tag; 333 bus_space_handle_t sc_io_hdl; 334 335 uint32_t sc_terminate_self; /* TD short packet termination pointer */ 336 uint32_t sc_eintrs; 337 338 uint16_t sc_intr_stat[EHCI_VIRTUAL_FRAMELIST_COUNT]; 339 uint16_t sc_id_vendor; /* vendor ID for root hub */ 340 uint16_t sc_flags; /* chip specific flags */ 341 #define EHCI_SCFLG_NORESTERM 0x0004 /* don't terminate reset sequence */ 342 #define EHCI_SCFLG_BIGEDESC 0x0008 /* big-endian byte order descriptors */ 343 #define EHCI_SCFLG_TT 0x0020 /* transaction translator present */ 344 #define EHCI_SCFLG_LOSTINTRBUG 0x0040 /* workaround for VIA / ATI chipsets */ 345 #define EHCI_SCFLG_IAADBUG 0x0080 /* workaround for nVidia chipsets */ 346 #define EHCI_SCFLG_DONTRESET 0x0100 /* don't reset ctrl. in ehci_init() */ 347 #define EHCI_SCFLG_DONEINIT 0x1000 /* ehci_init() has been called. */ 348 349 uint8_t sc_offs; /* offset to operational registers */ 350 uint8_t sc_doorbell_disable; /* set on doorbell failure */ 351 uint8_t sc_noport; 352 uint8_t sc_addr; /* device address */ 353 uint8_t sc_conf; /* device configuration */ 354 uint8_t sc_isreset; 355 uint8_t sc_hub_idata[8]; 356 357 char sc_vendor[16]; /* vendor string for root hub */ 358 359 void (*sc_vendor_post_reset)(struct ehci_softc *sc); 360 uint16_t (*sc_vendor_get_port_speed)(struct ehci_softc *sc, 361 uint16_t index); 362 363 } ehci_softc_t; 364 365 #define EREAD1(sc, a) bus_space_read_1((sc)->sc_io_tag, (sc)->sc_io_hdl, (a)) 366 #define EREAD2(sc, a) bus_space_read_2((sc)->sc_io_tag, (sc)->sc_io_hdl, (a)) 367 #define EREAD4(sc, a) bus_space_read_4((sc)->sc_io_tag, (sc)->sc_io_hdl, (a)) 368 #define EWRITE1(sc, a, x) \ 369 bus_space_write_1((sc)->sc_io_tag, (sc)->sc_io_hdl, (a), (x)) 370 #define EWRITE2(sc, a, x) \ 371 bus_space_write_2((sc)->sc_io_tag, (sc)->sc_io_hdl, (a), (x)) 372 #define EWRITE4(sc, a, x) \ 373 bus_space_write_4((sc)->sc_io_tag, (sc)->sc_io_hdl, (a), (x)) 374 #define EOREAD1(sc, a) \ 375 bus_space_read_1((sc)->sc_io_tag, (sc)->sc_io_hdl, (sc)->sc_offs+(a)) 376 #define EOREAD2(sc, a) \ 377 bus_space_read_2((sc)->sc_io_tag, (sc)->sc_io_hdl, (sc)->sc_offs+(a)) 378 #define EOREAD4(sc, a) \ 379 bus_space_read_4((sc)->sc_io_tag, (sc)->sc_io_hdl, (sc)->sc_offs+(a)) 380 #define EOWRITE1(sc, a, x) \ 381 bus_space_write_1((sc)->sc_io_tag, (sc)->sc_io_hdl, (sc)->sc_offs+(a), (x)) 382 #define EOWRITE2(sc, a, x) \ 383 bus_space_write_2((sc)->sc_io_tag, (sc)->sc_io_hdl, (sc)->sc_offs+(a), (x)) 384 #define EOWRITE4(sc, a, x) \ 385 bus_space_write_4((sc)->sc_io_tag, (sc)->sc_io_hdl, (sc)->sc_offs+(a), (x)) 386 387 #ifdef USB_EHCI_BIG_ENDIAN_DESC 388 /* 389 * Handle byte order conversion between host and ``host controller''. 390 * Typically the latter is little-endian but some controllers require 391 * big-endian in which case we may need to manually swap. 392 */ 393 static __inline uint32_t 394 htohc32(const struct ehci_softc *sc, const uint32_t v) 395 { 396 return sc->sc_flags & EHCI_SCFLG_BIGEDESC ? htobe32(v) : htole32(v); 397 } 398 399 static __inline uint16_t 400 htohc16(const struct ehci_softc *sc, const uint16_t v) 401 { 402 return sc->sc_flags & EHCI_SCFLG_BIGEDESC ? htobe16(v) : htole16(v); 403 } 404 405 static __inline uint32_t 406 hc32toh(const struct ehci_softc *sc, const uint32_t v) 407 { 408 return sc->sc_flags & EHCI_SCFLG_BIGEDESC ? be32toh(v) : le32toh(v); 409 } 410 411 static __inline uint16_t 412 hc16toh(const struct ehci_softc *sc, const uint16_t v) 413 { 414 return sc->sc_flags & EHCI_SCFLG_BIGEDESC ? be16toh(v) : le16toh(v); 415 } 416 #else 417 /* 418 * Normal little-endian only conversion routines. 419 */ 420 static __inline uint32_t 421 htohc32(const struct ehci_softc *sc, const uint32_t v) 422 { 423 return htole32(v); 424 } 425 426 static __inline uint16_t 427 htohc16(const struct ehci_softc *sc, const uint16_t v) 428 { 429 return htole16(v); 430 } 431 432 static __inline uint32_t 433 hc32toh(const struct ehci_softc *sc, const uint32_t v) 434 { 435 return le32toh(v); 436 } 437 438 static __inline uint16_t 439 hc16toh(const struct ehci_softc *sc, const uint16_t v) 440 { 441 return le16toh(v); 442 } 443 #endif 444 445 usb_bus_mem_cb_t ehci_iterate_hw_softc; 446 447 usb_error_t ehci_reset(ehci_softc_t *sc); 448 usb_error_t ehci_init(ehci_softc_t *sc); 449 void ehci_detach(struct ehci_softc *sc); 450 void ehci_interrupt(ehci_softc_t *sc); 451 uint16_t ehci_get_port_speed_portsc(struct ehci_softc *sc, uint16_t index); 452 uint16_t ehci_get_port_speed_hostc(struct ehci_softc *sc, uint16_t index); 453 454 #endif /* _EHCI_H_ */ 455