| 1 | /* |
| 2 | * $NetBSD: uhci.c,v 1.80 2000/01/19 01:16:38 augustss Exp $ |
| 3 | * $NetBSD: uhci.c,v 1.170 2003/02/19 01:35:04 augustss Exp $ |
| 4 | * $FreeBSD: src/sys/dev/usb/uhci.c,v 1.149 2003/11/10 00:08:41 joe Exp $ |
| 5 | * $DragonFly: src/sys/bus/usb/uhci.c,v 1.17 2006/10/25 20:55:52 dillon Exp $ |
| 6 | */ |
| 7 | |
| 8 | /* Also already incorporated from NetBSD: |
| 9 | * $NetBSD: uhci.c,v 1.172 2003/02/23 04:19:26 simonb Exp $ |
| 10 | * $NetBSD: uhci.c,v 1.173 2003/05/13 04:41:59 gson Exp $ |
| 11 | * $NetBSD: uhci.c,v 1.175 2003/09/12 16:18:08 mycroft Exp $ |
| 12 | * $NetBSD: uhci.c,v 1.176 2003/11/04 19:11:21 mycroft Exp $ |
| 13 | */ |
| 14 | |
| 15 | |
| 16 | /* |
| 17 | * Copyright (c) 1998 The NetBSD Foundation, Inc. |
| 18 | * All rights reserved. |
| 19 | * |
| 20 | * This code is derived from software contributed to The NetBSD Foundation |
| 21 | * by Lennart Augustsson (lennart@augustsson.net) at |
| 22 | * Carlstedt Research & Technology. |
| 23 | * |
| 24 | * Redistribution and use in source and binary forms, with or without |
| 25 | * modification, are permitted provided that the following conditions |
| 26 | * are met: |
| 27 | * 1. Redistributions of source code must retain the above copyright |
| 28 | * notice, this list of conditions and the following disclaimer. |
| 29 | * 2. Redistributions in binary form must reproduce the above copyright |
| 30 | * notice, this list of conditions and the following disclaimer in the |
| 31 | * documentation and/or other materials provided with the distribution. |
| 32 | * 3. All advertising materials mentioning features or use of this software |
| 33 | * must display the following acknowledgement: |
| 34 | * This product includes software developed by the NetBSD |
| 35 | * Foundation, Inc. and its contributors. |
| 36 | * 4. Neither the name of The NetBSD Foundation nor the names of its |
| 37 | * contributors may be used to endorse or promote products derived |
| 38 | * from this software without specific prior written permission. |
| 39 | * |
| 40 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 41 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 42 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 43 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 44 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 45 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 46 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 47 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 48 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 49 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 50 | * POSSIBILITY OF SUCH DAMAGE. |
| 51 | */ |
| 52 | |
| 53 | /* |
| 54 | * USB Universal Host Controller driver. |
| 55 | * Handles e.g. PIIX3 and PIIX4. |
| 56 | * |
| 57 | * UHCI spec: http://developer.intel.com/design/USB/UHCI11D.htm |
| 58 | * USB spec: http://www.usb.org/developers/docs/usbspec.zip |
| 59 | * PIIXn spec: ftp://download.intel.com/design/intarch/datashts/29055002.pdf |
| 60 | * ftp://download.intel.com/design/intarch/datashts/29056201.pdf |
| 61 | */ |
| 62 | |
| 63 | #include <sys/param.h> |
| 64 | #include <sys/systm.h> |
| 65 | #include <sys/kernel.h> |
| 66 | #include <sys/malloc.h> |
| 67 | #if defined(__NetBSD__) || defined(__OpenBSD__) |
| 68 | #include <sys/device.h> |
| 69 | #include <sys/select.h> |
| 70 | #elif defined(__FreeBSD__) || defined(__DragonFly__) |
| 71 | #include <sys/endian.h> |
| 72 | #include <sys/module.h> |
| 73 | #include <sys/bus.h> |
| 74 | #if defined(DIAGNOSTIC) && defined(__i386__) |
| 75 | #include <machine/cpu.h> |
| 76 | #endif |
| 77 | #endif |
| 78 | #include <sys/proc.h> |
| 79 | #include <sys/queue.h> |
| 80 | #include <sys/sysctl.h> |
| 81 | #include <sys/thread2.h> |
| 82 | |
| 83 | #include <machine/endian.h> |
| 84 | |
| 85 | #include "usb.h" |
| 86 | #include "usbdi.h" |
| 87 | #include "usbdivar.h" |
| 88 | #include "usb_mem.h" |
| 89 | #include "usb_quirks.h" |
| 90 | |
| 91 | #include "uhcireg.h" |
| 92 | #include "uhcivar.h" |
| 93 | |
| 94 | /* Use bandwidth reclamation for control transfers. Some devices choke on it. */ |
| 95 | /*#define UHCI_CTL_LOOP */ |
| 96 | |
| 97 | #if defined(__FreeBSD__) || defined(__DragonFly__) |
| 98 | #include <machine/clock.h> |
| 99 | |
| 100 | #define delay(d) DELAY(d) |
| 101 | #endif |
| 102 | |
| 103 | #define MS_TO_TICKS(ms) ((ms) * hz / 1000) |
| 104 | |
| 105 | #if defined(__OpenBSD__) |
| 106 | struct cfdriver uhci_cd = { |
| 107 | NULL, "uhci", DV_DULL |
| 108 | }; |
| 109 | #endif |
| 110 | |
| 111 | #ifdef USB_DEBUG |
| 112 | uhci_softc_t *thesc; |
| 113 | #define DPRINTF(x) if (uhcidebug) printf x |
| 114 | #define DPRINTFN(n,x) if (uhcidebug>(n)) printf x |
| 115 | int uhcidebug = 0; |
| 116 | int uhcinoloop = 0; |
| 117 | SYSCTL_NODE(_hw_usb, OID_AUTO, uhci, CTLFLAG_RW, 0, "USB uhci"); |
| 118 | SYSCTL_INT(_hw_usb_uhci, OID_AUTO, debug, CTLFLAG_RW, |
| 119 | &uhcidebug, 0, "uhci debug level"); |
| 120 | SYSCTL_INT(_hw_usb_uhci, OID_AUTO, loop, CTLFLAG_RW, |
| 121 | &uhcinoloop, 0, "uhci noloop"); |
| 122 | #ifndef __NetBSD__ |
| 123 | #define bitmask_snprintf(q,f,b,l) snprintf((b), (l), "%b", (q), (f)) |
| 124 | #endif |
| 125 | #else |
| 126 | #define DPRINTF(x) |
| 127 | #define DPRINTFN(n,x) |
| 128 | #endif |
| 129 | |
| 130 | /* |
| 131 | * The UHCI controller is little endian, so on big endian machines |
| 132 | * the data strored in memory needs to be swapped. |
| 133 | */ |
| 134 | #if defined(__OpenBSD__) |
| 135 | #if BYTE_ORDER == BIG_ENDIAN |
| 136 | #define htole32(x) (bswap32(x)) |
| 137 | #define le32toh(x) (bswap32(x)) |
| 138 | #else |
| 139 | #define htole32(x) (x) |
| 140 | #define le32toh(x) (x) |
| 141 | #endif |
| 142 | #endif |
| 143 | |
| 144 | struct uhci_pipe { |
| 145 | struct usbd_pipe pipe; |
| 146 | int nexttoggle; |
| 147 | |
| 148 | u_char aborting; |
| 149 | usbd_xfer_handle abortstart, abortend; |
| 150 | |
| 151 | /* Info needed for different pipe kinds. */ |
| 152 | union { |
| 153 | /* Control pipe */ |
| 154 | struct { |
| 155 | uhci_soft_qh_t *sqh; |
| 156 | usb_dma_t reqdma; |
| 157 | uhci_soft_td_t *setup, *stat; |
| 158 | u_int length; |
| 159 | } ctl; |
| 160 | /* Interrupt pipe */ |
| 161 | struct { |
| 162 | int npoll; |
| 163 | int isread; |
| 164 | uhci_soft_qh_t **qhs; |
| 165 | } intr; |
| 166 | /* Bulk pipe */ |
| 167 | struct { |
| 168 | uhci_soft_qh_t *sqh; |
| 169 | u_int length; |
| 170 | int isread; |
| 171 | } bulk; |
| 172 | /* Iso pipe */ |
| 173 | struct iso { |
| 174 | uhci_soft_td_t **stds; |
| 175 | int next, inuse; |
| 176 | } iso; |
| 177 | } u; |
| 178 | }; |
| 179 | |
| 180 | Static void uhci_globalreset(uhci_softc_t *); |
| 181 | Static usbd_status uhci_portreset(uhci_softc_t*, int); |
| 182 | Static void uhci_reset(uhci_softc_t *); |
| 183 | #if defined(__NetBSD__) || defined(__OpenBSD__) |
| 184 | Static void uhci_shutdown(void *v); |
| 185 | Static void uhci_power(int, void *); |
| 186 | #endif |
| 187 | Static usbd_status uhci_run(uhci_softc_t *, int run); |
| 188 | Static uhci_soft_td_t *uhci_alloc_std(uhci_softc_t *); |
| 189 | Static void uhci_free_std(uhci_softc_t *, uhci_soft_td_t *); |
| 190 | Static uhci_soft_qh_t *uhci_alloc_sqh(uhci_softc_t *); |
| 191 | Static void uhci_free_sqh(uhci_softc_t *, uhci_soft_qh_t *); |
| 192 | #if 0 |
| 193 | Static void uhci_enter_ctl_q(uhci_softc_t *, uhci_soft_qh_t *, |
| 194 | uhci_intr_info_t *); |
| 195 | Static void uhci_exit_ctl_q(uhci_softc_t *, uhci_soft_qh_t *); |
| 196 | #endif |
| 197 | |
| 198 | Static void uhci_free_std_chain(uhci_softc_t *, |
| 199 | uhci_soft_td_t *, uhci_soft_td_t *); |
| 200 | Static usbd_status uhci_alloc_std_chain(struct uhci_pipe *, |
| 201 | uhci_softc_t *, int, int, u_int16_t, usb_dma_t *, |
| 202 | uhci_soft_td_t **, uhci_soft_td_t **); |
| 203 | Static void uhci_poll_hub(void *); |
| 204 | Static void uhci_waitintr(uhci_softc_t *, usbd_xfer_handle); |
| 205 | Static void uhci_check_intr(uhci_softc_t *, uhci_intr_info_t *); |
| 206 | Static void uhci_idone(uhci_intr_info_t *); |
| 207 | |
| 208 | Static void uhci_abort_xfer(usbd_xfer_handle, usbd_status status); |
| 209 | |
| 210 | Static void uhci_timeout(void *); |
| 211 | Static void uhci_timeout_task(void *); |
| 212 | Static void uhci_add_ls_ctrl(uhci_softc_t *, uhci_soft_qh_t *); |
| 213 | Static void uhci_add_hs_ctrl(uhci_softc_t *, uhci_soft_qh_t *); |
| 214 | Static void uhci_add_bulk(uhci_softc_t *, uhci_soft_qh_t *); |
| 215 | Static void uhci_remove_ls_ctrl(uhci_softc_t *,uhci_soft_qh_t *); |
| 216 | Static void uhci_remove_hs_ctrl(uhci_softc_t *,uhci_soft_qh_t *); |
| 217 | Static void uhci_remove_bulk(uhci_softc_t *,uhci_soft_qh_t *); |
| 218 | Static int uhci_str(usb_string_descriptor_t *, int, char *); |
| 219 | Static void uhci_add_loop(uhci_softc_t *sc); |
| 220 | Static void uhci_rem_loop(uhci_softc_t *sc); |
| 221 | |
| 222 | Static usbd_status uhci_setup_isoc(usbd_pipe_handle pipe); |
| 223 | Static void uhci_device_isoc_enter(usbd_xfer_handle); |
| 224 | |
| 225 | Static usbd_status uhci_allocm(struct usbd_bus *, usb_dma_t *, u_int32_t); |
| 226 | Static void uhci_freem(struct usbd_bus *, usb_dma_t *); |
| 227 | |
| 228 | Static usbd_xfer_handle uhci_allocx(struct usbd_bus *); |
| 229 | Static void uhci_freex(struct usbd_bus *, usbd_xfer_handle); |
| 230 | |
| 231 | Static usbd_status uhci_device_ctrl_transfer(usbd_xfer_handle); |
| 232 | Static usbd_status uhci_device_ctrl_start(usbd_xfer_handle); |
| 233 | Static void uhci_device_ctrl_abort(usbd_xfer_handle); |
| 234 | Static void uhci_device_ctrl_close(usbd_pipe_handle); |
| 235 | Static void uhci_device_ctrl_done(usbd_xfer_handle); |
| 236 | |
| 237 | Static usbd_status uhci_device_intr_transfer(usbd_xfer_handle); |
| 238 | Static usbd_status uhci_device_intr_start(usbd_xfer_handle); |
| 239 | Static void uhci_device_intr_abort(usbd_xfer_handle); |
| 240 | Static void uhci_device_intr_close(usbd_pipe_handle); |
| 241 | Static void uhci_device_intr_done(usbd_xfer_handle); |
| 242 | |
| 243 | Static usbd_status uhci_device_bulk_transfer(usbd_xfer_handle); |
| 244 | Static usbd_status uhci_device_bulk_start(usbd_xfer_handle); |
| 245 | Static void uhci_device_bulk_abort(usbd_xfer_handle); |
| 246 | Static void uhci_device_bulk_close(usbd_pipe_handle); |
| 247 | Static void uhci_device_bulk_done(usbd_xfer_handle); |
| 248 | |
| 249 | Static usbd_status uhci_device_isoc_transfer(usbd_xfer_handle); |
| 250 | Static usbd_status uhci_device_isoc_start(usbd_xfer_handle); |
| 251 | Static void uhci_device_isoc_abort(usbd_xfer_handle); |
| 252 | Static void uhci_device_isoc_close(usbd_pipe_handle); |
| 253 | Static void uhci_device_isoc_done(usbd_xfer_handle); |
| 254 | |
| 255 | Static usbd_status uhci_root_ctrl_transfer(usbd_xfer_handle); |
| 256 | Static usbd_status uhci_root_ctrl_start(usbd_xfer_handle); |
| 257 | Static void uhci_root_ctrl_abort(usbd_xfer_handle); |
| 258 | Static void uhci_root_ctrl_close(usbd_pipe_handle); |
| 259 | Static void uhci_root_ctrl_done(usbd_xfer_handle); |
| 260 | |
| 261 | Static usbd_status uhci_root_intr_transfer(usbd_xfer_handle); |
| 262 | Static usbd_status uhci_root_intr_start(usbd_xfer_handle); |
| 263 | Static void uhci_root_intr_abort(usbd_xfer_handle); |
| 264 | Static void uhci_root_intr_close(usbd_pipe_handle); |
| 265 | Static void uhci_root_intr_done(usbd_xfer_handle); |
| 266 | |
| 267 | Static usbd_status uhci_open(usbd_pipe_handle); |
| 268 | Static void uhci_poll(struct usbd_bus *); |
| 269 | Static void uhci_softintr(void *); |
| 270 | |
| 271 | Static usbd_status uhci_device_request(usbd_xfer_handle xfer); |
| 272 | |
| 273 | Static void uhci_add_intr(uhci_softc_t *, uhci_soft_qh_t *); |
| 274 | Static void uhci_remove_intr(uhci_softc_t *, uhci_soft_qh_t *); |
| 275 | Static usbd_status uhci_device_setintr(uhci_softc_t *sc, |
| 276 | struct uhci_pipe *pipe, int ival); |
| 277 | |
| 278 | Static void uhci_device_clear_toggle(usbd_pipe_handle pipe); |
| 279 | Static void uhci_noop(usbd_pipe_handle pipe); |
| 280 | |
| 281 | Static __inline__ uhci_soft_qh_t *uhci_find_prev_qh(uhci_soft_qh_t *, |
| 282 | uhci_soft_qh_t *); |
| 283 | |
| 284 | #ifdef USB_DEBUG |
| 285 | Static void uhci_dump_all(uhci_softc_t *); |
| 286 | Static void uhci_dumpregs(uhci_softc_t *); |
| 287 | Static void uhci_dump_qhs(uhci_soft_qh_t *); |
| 288 | Static void uhci_dump_qh(uhci_soft_qh_t *); |
| 289 | Static void uhci_dump_tds(uhci_soft_td_t *); |
| 290 | Static void uhci_dump_td(uhci_soft_td_t *); |
| 291 | Static void uhci_dump_ii(uhci_intr_info_t *ii); |
| 292 | void uhci_dump(void); |
| 293 | #endif |
| 294 | |
| 295 | #define UBARR(sc) bus_space_barrier((sc)->iot, (sc)->ioh, 0, (sc)->sc_size, \ |
| 296 | BUS_SPACE_BARRIER_READ|BUS_SPACE_BARRIER_WRITE) |
| 297 | #define UWRITE1(sc, r, x) \ |
| 298 | do { UBARR(sc); bus_space_write_1((sc)->iot, (sc)->ioh, (r), (x)); \ |
| 299 | } while (/*CONSTCOND*/0) |
| 300 | #define UWRITE2(sc, r, x) \ |
| 301 | do { UBARR(sc); bus_space_write_2((sc)->iot, (sc)->ioh, (r), (x)); \ |
| 302 | } while (/*CONSTCOND*/0) |
| 303 | #define UWRITE4(sc, r, x) \ |
| 304 | do { UBARR(sc); bus_space_write_4((sc)->iot, (sc)->ioh, (r), (x)); \ |
| 305 | } while (/*CONSTCOND*/0) |
| 306 | #define UREAD1(sc, r) (UBARR(sc), bus_space_read_1((sc)->iot, (sc)->ioh, (r))) |
| 307 | #define UREAD2(sc, r) (UBARR(sc), bus_space_read_2((sc)->iot, (sc)->ioh, (r))) |
| 308 | #define UREAD4(sc, r) (UBARR(sc), bus_space_read_4((sc)->iot, (sc)->ioh, (r))) |
| 309 | |
| 310 | #define UHCICMD(sc, cmd) UWRITE2(sc, UHCI_CMD, cmd) |
| 311 | #define UHCISTS(sc) UREAD2(sc, UHCI_STS) |
| 312 | |
| 313 | #define UHCI_RESET_TIMEOUT 100 /* ms, reset timeout */ |
| 314 | |
| 315 | #define UHCI_CURFRAME(sc) (UREAD2(sc, UHCI_FRNUM) & UHCI_FRNUM_MASK) |
| 316 | |
| 317 | #define UHCI_INTR_ENDPT 1 |
| 318 | |
| 319 | struct usbd_bus_methods uhci_bus_methods = { |
| 320 | uhci_open, |
| 321 | uhci_softintr, |
| 322 | uhci_poll, |
| 323 | uhci_allocm, |
| 324 | uhci_freem, |
| 325 | uhci_allocx, |
| 326 | uhci_freex, |
| 327 | }; |
| 328 | |
| 329 | struct usbd_pipe_methods uhci_root_ctrl_methods = { |
| 330 | uhci_root_ctrl_transfer, |
| 331 | uhci_root_ctrl_start, |
| 332 | uhci_root_ctrl_abort, |
| 333 | uhci_root_ctrl_close, |
| 334 | uhci_noop, |
| 335 | uhci_root_ctrl_done, |
| 336 | }; |
| 337 | |
| 338 | struct usbd_pipe_methods uhci_root_intr_methods = { |
| 339 | uhci_root_intr_transfer, |
| 340 | uhci_root_intr_start, |
| 341 | uhci_root_intr_abort, |
| 342 | uhci_root_intr_close, |
| 343 | uhci_noop, |
| 344 | uhci_root_intr_done, |
| 345 | }; |
| 346 | |
| 347 | struct usbd_pipe_methods uhci_device_ctrl_methods = { |
| 348 | uhci_device_ctrl_transfer, |
| 349 | uhci_device_ctrl_start, |
| 350 | uhci_device_ctrl_abort, |
| 351 | uhci_device_ctrl_close, |
| 352 | uhci_noop, |
| 353 | uhci_device_ctrl_done, |
| 354 | }; |
| 355 | |
| 356 | struct usbd_pipe_methods uhci_device_intr_methods = { |
| 357 | uhci_device_intr_transfer, |
| 358 | uhci_device_intr_start, |
| 359 | uhci_device_intr_abort, |
| 360 | uhci_device_intr_close, |
| 361 | uhci_device_clear_toggle, |
| 362 | uhci_device_intr_done, |
| 363 | }; |
| 364 | |
| 365 | struct usbd_pipe_methods uhci_device_bulk_methods = { |
| 366 | uhci_device_bulk_transfer, |
| 367 | uhci_device_bulk_start, |
| 368 | uhci_device_bulk_abort, |
| 369 | uhci_device_bulk_close, |
| 370 | uhci_device_clear_toggle, |
| 371 | uhci_device_bulk_done, |
| 372 | }; |
| 373 | |
| 374 | struct usbd_pipe_methods uhci_device_isoc_methods = { |
| 375 | uhci_device_isoc_transfer, |
| 376 | uhci_device_isoc_start, |
| 377 | uhci_device_isoc_abort, |
| 378 | uhci_device_isoc_close, |
| 379 | uhci_noop, |
| 380 | uhci_device_isoc_done, |
| 381 | }; |
| 382 | |
| 383 | #define uhci_add_intr_info(sc, ii) \ |
| 384 | LIST_INSERT_HEAD(&(sc)->sc_intrhead, (ii), list) |
| 385 | #define uhci_del_intr_info(ii) \ |
| 386 | do { \ |
| 387 | ++ii->sc->sc_intrhead_deletion_counter; \ |
| 388 | LIST_REMOVE((ii), list); \ |
| 389 | (ii)->list.le_prev = NULL; \ |
| 390 | } while (0) |
| 391 | #define uhci_active_intr_info(ii) ((ii)->list.le_prev != NULL) |
| 392 | |
| 393 | Static __inline__ uhci_soft_qh_t * |
| 394 | uhci_find_prev_qh(uhci_soft_qh_t *pqh, uhci_soft_qh_t *sqh) |
| 395 | { |
| 396 | DPRINTFN(15,("uhci_find_prev_qh: pqh=%p sqh=%p\n", pqh, sqh)); |
| 397 | |
| 398 | for (; pqh->hlink != sqh; pqh = pqh->hlink) { |
| 399 | #if defined(DIAGNOSTIC) || defined(USB_DEBUG) |
| 400 | if (le32toh(pqh->qh.qh_hlink) & UHCI_PTR_T) { |
| 401 | printf("uhci_find_prev_qh: QH not found\n"); |
| 402 | return (NULL); |
| 403 | } |
| 404 | #endif |
| 405 | } |
| 406 | return (pqh); |
| 407 | } |
| 408 | |
| 409 | void |
| 410 | uhci_globalreset(uhci_softc_t *sc) |
| 411 | { |
| 412 | UHCICMD(sc, UHCI_CMD_GRESET); /* global reset */ |
| 413 | usb_delay_ms(&sc->sc_bus, USB_BUS_RESET_DELAY); /* wait a little */ |
| 414 | UHCICMD(sc, 0); /* do nothing */ |
| 415 | } |
| 416 | |
| 417 | usbd_status |
| 418 | uhci_init(uhci_softc_t *sc) |
| 419 | { |
| 420 | usbd_status err; |
| 421 | int i, j; |
| 422 | uhci_soft_qh_t *clsqh, *chsqh, *bsqh, *sqh, *lsqh; |
| 423 | uhci_soft_td_t *std; |
| 424 | |
| 425 | DPRINTFN(1,("uhci_init: start\n")); |
| 426 | |
| 427 | #ifdef USB_DEBUG |
| 428 | thesc = sc; |
| 429 | |
| 430 | if (uhcidebug > 2) |
| 431 | uhci_dumpregs(sc); |
| 432 | #endif |
| 433 | |
| 434 | UWRITE2(sc, UHCI_INTR, 0); /* disable interrupts */ |
| 435 | uhci_globalreset(sc); /* reset the controller */ |
| 436 | uhci_reset(sc); |
| 437 | |
| 438 | /* Allocate and initialize real frame array. */ |
| 439 | err = usb_allocmem(&sc->sc_bus, |
| 440 | UHCI_FRAMELIST_COUNT * sizeof(uhci_physaddr_t), |
| 441 | UHCI_FRAMELIST_ALIGN, &sc->sc_dma); |
| 442 | if (err) |
| 443 | return (err); |
| 444 | sc->sc_pframes = KERNADDR(&sc->sc_dma, 0); |
| 445 | UWRITE2(sc, UHCI_FRNUM, 0); /* set frame number to 0 */ |
| 446 | UWRITE4(sc, UHCI_FLBASEADDR, DMAADDR(&sc->sc_dma, 0)); /* set frame list*/ |
| 447 | |
| 448 | /* |
| 449 | * Allocate a TD, inactive, that hangs from the last QH. |
| 450 | * This is to avoid a bug in the PIIX that makes it run berserk |
| 451 | * otherwise. |
| 452 | */ |
| 453 | std = uhci_alloc_std(sc); |
| 454 | if (std == NULL) |
| 455 | return (USBD_NOMEM); |
| 456 | std->link.std = NULL; |
| 457 | std->td.td_link = htole32(UHCI_PTR_T); |
| 458 | std->td.td_status = htole32(0); /* inactive */ |
| 459 | std->td.td_token = htole32(0); |
| 460 | std->td.td_buffer = htole32(0); |
| 461 | |
| 462 | /* Allocate the dummy QH marking the end and used for looping the QHs.*/ |
| 463 | lsqh = uhci_alloc_sqh(sc); |
| 464 | if (lsqh == NULL) |
| 465 | return (USBD_NOMEM); |
| 466 | lsqh->hlink = NULL; |
| 467 | lsqh->qh.qh_hlink = htole32(UHCI_PTR_T); /* end of QH chain */ |
| 468 | lsqh->elink = std; |
| 469 | lsqh->qh.qh_elink = htole32(std->physaddr | UHCI_PTR_TD); |
| 470 | sc->sc_last_qh = lsqh; |
| 471 | |
| 472 | /* Allocate the dummy QH where bulk traffic will be queued. */ |
| 473 | bsqh = uhci_alloc_sqh(sc); |
| 474 | if (bsqh == NULL) |
| 475 | return (USBD_NOMEM); |
| 476 | bsqh->hlink = lsqh; |
| 477 | bsqh->qh.qh_hlink = htole32(lsqh->physaddr | UHCI_PTR_QH); |
| 478 | bsqh->elink = NULL; |
| 479 | bsqh->qh.qh_elink = htole32(UHCI_PTR_T); |
| 480 | sc->sc_bulk_start = sc->sc_bulk_end = bsqh; |
| 481 | |
| 482 | /* Allocate dummy QH where high speed control traffic will be queued. */ |
| 483 | chsqh = uhci_alloc_sqh(sc); |
| 484 | if (chsqh == NULL) |
| 485 | return (USBD_NOMEM); |
| 486 | chsqh->hlink = bsqh; |
| 487 | chsqh->qh.qh_hlink = htole32(bsqh->physaddr | UHCI_PTR_QH); |
| 488 | chsqh->elink = NULL; |
| 489 | chsqh->qh.qh_elink = htole32(UHCI_PTR_T); |
| 490 | sc->sc_hctl_start = sc->sc_hctl_end = chsqh; |
| 491 | |
| 492 | /* Allocate dummy QH where control traffic will be queued. */ |
| 493 | clsqh = uhci_alloc_sqh(sc); |
| 494 | if (clsqh == NULL) |
| 495 | return (USBD_NOMEM); |
| 496 | clsqh->hlink = bsqh; |
| 497 | clsqh->qh.qh_hlink = htole32(chsqh->physaddr | UHCI_PTR_QH); |
| 498 | clsqh->elink = NULL; |
| 499 | clsqh->qh.qh_elink = htole32(UHCI_PTR_T); |
| 500 | sc->sc_lctl_start = sc->sc_lctl_end = clsqh; |
| 501 | |
| 502 | /* |
| 503 | * Make all (virtual) frame list pointers point to the interrupt |
| 504 | * queue heads and the interrupt queue heads at the control |
| 505 | * queue head and point the physical frame list to the virtual. |
| 506 | */ |
| 507 | for(i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { |
| 508 | std = uhci_alloc_std(sc); |
| 509 | sqh = uhci_alloc_sqh(sc); |
| 510 | if (std == NULL || sqh == NULL) |
| 511 | return (USBD_NOMEM); |
| 512 | std->link.sqh = sqh; |
| 513 | |
| 514 | std->td.td_link = htole32(sqh->physaddr | UHCI_PTR_QH); |
| 515 | std->td.td_status = htole32(UHCI_TD_IOS); /* iso, inactive */ |
| 516 | std->td.td_token = htole32(0); |
| 517 | std->td.td_buffer = htole32(0); |
| 518 | sqh->hlink = clsqh; |
| 519 | sqh->qh.qh_hlink = htole32(clsqh->physaddr | UHCI_PTR_QH); |
| 520 | sqh->elink = NULL; |
| 521 | sqh->qh.qh_elink = htole32(UHCI_PTR_T); |
| 522 | sc->sc_vframes[i].htd = std; |
| 523 | sc->sc_vframes[i].etd = std; |
| 524 | sc->sc_vframes[i].hqh = sqh; |
| 525 | sc->sc_vframes[i].eqh = sqh; |
| 526 | for (j = i; |
| 527 | j < UHCI_FRAMELIST_COUNT; |
| 528 | j += UHCI_VFRAMELIST_COUNT) { |
| 529 | sc->sc_pframes[j] = htole32(std->physaddr); |
| 530 | } |
| 531 | } |
| 532 | |
| 533 | LIST_INIT(&sc->sc_intrhead); |
| 534 | |
| 535 | SIMPLEQ_INIT(&sc->sc_free_xfers); |
| 536 | |
| 537 | usb_callout_init(sc->sc_poll_handle); |
| 538 | |
| 539 | /* Set up the bus struct. */ |
| 540 | sc->sc_bus.methods = &uhci_bus_methods; |
| 541 | sc->sc_bus.pipe_size = sizeof(struct uhci_pipe); |
| 542 | |
| 543 | #if defined(__NetBSD__) || defined(__OpenBSD__) |
| 544 | sc->sc_suspend = PWR_RESUME; |
| 545 | sc->sc_powerhook = powerhook_establish(uhci_power, sc); |
| 546 | sc->sc_shutdownhook = shutdownhook_establish(uhci_shutdown, sc); |
| 547 | #endif |
| 548 | DPRINTFN(1,("uhci_init: enabling\n")); |
| 549 | UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE | UHCI_INTR_RIE | |
| 550 | UHCI_INTR_IOCE | UHCI_INTR_SPIE); /* enable interrupts */ |
| 551 | |
| 552 | UHCICMD(sc, UHCI_CMD_MAXP); /* Assume 64 byte packets at frame end */ |
| 553 | |
| 554 | return (uhci_run(sc, 1)); /* and here we go... */ |
| 555 | } |
| 556 | |
| 557 | #if defined(__NetBSD__) || defined(__OpenBSD__) |
| 558 | int |
| 559 | uhci_activate(device_ptr_t self, enum devact act) |
| 560 | { |
| 561 | struct uhci_softc *sc = (struct uhci_softc *)self; |
| 562 | int rv = 0; |
| 563 | |
| 564 | switch (act) { |
| 565 | case DVACT_ACTIVATE: |
| 566 | return (EOPNOTSUPP); |
| 567 | |
| 568 | case DVACT_DEACTIVATE: |
| 569 | if (sc->sc_child != NULL) |
| 570 | rv = config_deactivate(sc->sc_child); |
| 571 | break; |
| 572 | } |
| 573 | return (rv); |
| 574 | } |
| 575 | |
| 576 | int |
| 577 | uhci_detach(struct uhci_softc *sc, int flags) |
| 578 | { |
| 579 | usbd_xfer_handle xfer; |
| 580 | int rv = 0; |
| 581 | |
| 582 | if (sc->sc_child != NULL) |
| 583 | rv = config_detach(sc->sc_child, flags); |
| 584 | |
| 585 | if (rv != 0) |
| 586 | return (rv); |
| 587 | |
| 588 | #if defined(__NetBSD__) || defined(__OpenBSD__) |
| 589 | powerhook_disestablish(sc->sc_powerhook); |
| 590 | shutdownhook_disestablish(sc->sc_shutdownhook); |
| 591 | #endif |
| 592 | |
| 593 | /* Free all xfers associated with this HC. */ |
| 594 | for (;;) { |
| 595 | xfer = SIMPLEQ_FIRST(&sc->sc_free_xfers); |
| 596 | if (xfer == NULL) |
| 597 | break; |
| 598 | SIMPLEQ_REMOVE_HEAD(&sc->sc_free_xfers, next); |
| 599 | kfree(xfer, M_USB); |
| 600 | } |
| 601 | |
| 602 | /* XXX free other data structures XXX */ |
| 603 | |
| 604 | return (rv); |
| 605 | } |
| 606 | #endif |
| 607 | |
| 608 | usbd_status |
| 609 | uhci_allocm(struct usbd_bus *bus, usb_dma_t *dma, u_int32_t size) |
| 610 | { |
| 611 | return (usb_allocmem(bus, size, 0, dma)); |
| 612 | } |
| 613 | |
| 614 | void |
| 615 | uhci_freem(struct usbd_bus *bus, usb_dma_t *dma) |
| 616 | { |
| 617 | usb_freemem(bus, dma); |
| 618 | } |
| 619 | |
| 620 | usbd_xfer_handle |
| 621 | uhci_allocx(struct usbd_bus *bus) |
| 622 | { |
| 623 | struct uhci_softc *sc = (struct uhci_softc *)bus; |
| 624 | usbd_xfer_handle xfer; |
| 625 | |
| 626 | xfer = SIMPLEQ_FIRST(&sc->sc_free_xfers); |
| 627 | if (xfer != NULL) { |
| 628 | SIMPLEQ_REMOVE_HEAD(&sc->sc_free_xfers, next); |
| 629 | #ifdef DIAGNOSTIC |
| 630 | if (xfer->busy_free != XFER_FREE) { |
| 631 | printf("uhci_allocx: xfer=%p not free, 0x%08x\n", xfer, |
| 632 | xfer->busy_free); |
| 633 | } |
| 634 | #endif |
| 635 | } else { |
| 636 | xfer = kmalloc(sizeof(struct uhci_xfer), M_USB, M_INTWAIT); |
| 637 | } |
| 638 | if (xfer != NULL) { |
| 639 | memset(xfer, 0, sizeof (struct uhci_xfer)); |
| 640 | UXFER(xfer)->iinfo.sc = sc; |
| 641 | #ifdef DIAGNOSTIC |
| 642 | UXFER(xfer)->iinfo.isdone = 1; |
| 643 | xfer->busy_free = XFER_BUSY; |
| 644 | #endif |
| 645 | } |
| 646 | return (xfer); |
| 647 | } |
| 648 | |
| 649 | void |
| 650 | uhci_freex(struct usbd_bus *bus, usbd_xfer_handle xfer) |
| 651 | { |
| 652 | struct uhci_softc *sc = (struct uhci_softc *)bus; |
| 653 | |
| 654 | #ifdef DIAGNOSTIC |
| 655 | if (xfer->busy_free != XFER_BUSY) { |
| 656 | printf("uhci_freex: xfer=%p not busy, 0x%08x\n", xfer, |
| 657 | xfer->busy_free); |
| 658 | return; |
| 659 | } |
| 660 | xfer->busy_free = XFER_FREE; |
| 661 | if (!UXFER(xfer)->iinfo.isdone) { |
| 662 | printf("uhci_freex: !isdone\n"); |
| 663 | return; |
| 664 | } |
| 665 | #endif |
| 666 | SIMPLEQ_INSERT_HEAD(&sc->sc_free_xfers, xfer, next); |
| 667 | } |
| 668 | |
| 669 | /* |
| 670 | * Shut down the controller when the system is going down. |
| 671 | */ |
| 672 | void |
| 673 | uhci_shutdown(void *v) |
| 674 | { |
| 675 | uhci_softc_t *sc = v; |
| 676 | |
| 677 | DPRINTF(("uhci_shutdown: stopping the HC\n")); |
| 678 | uhci_run(sc, 0); /* stop the controller */ |
| 679 | } |
| 680 | |
| 681 | /* |
| 682 | * Handle suspend/resume. |
| 683 | * |
| 684 | * We need to switch to polling mode here, because this routine is |
| 685 | * called from an interrupt context. This is all right since we |
| 686 | * are almost suspended anyway. |
| 687 | */ |
| 688 | void |
| 689 | uhci_power(int why, void *v) |
| 690 | { |
| 691 | uhci_softc_t *sc = v; |
| 692 | int cmd; |
| 693 | |
| 694 | crit_enter(); |
| 695 | cmd = UREAD2(sc, UHCI_CMD); |
| 696 | |
| 697 | DPRINTF(("uhci_power: sc=%p, why=%d (was %d), cmd=0x%x\n", |
| 698 | sc, why, sc->sc_suspend, cmd)); |
| 699 | |
| 700 | if (why != PWR_RESUME) { |
| 701 | #ifdef USB_DEBUG |
| 702 | if (uhcidebug > 2) |
| 703 | uhci_dumpregs(sc); |
| 704 | #endif |
| 705 | if (sc->sc_intr_xfer != NULL) |
| 706 | usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, |
| 707 | sc->sc_intr_xfer); |
| 708 | sc->sc_bus.use_polling++; |
| 709 | uhci_run(sc, 0); /* stop the controller */ |
| 710 | |
| 711 | /* save some state if BIOS doesn't */ |
| 712 | sc->sc_saved_frnum = UREAD2(sc, UHCI_FRNUM); |
| 713 | sc->sc_saved_sof = UREAD1(sc, UHCI_SOF); |
| 714 | |
| 715 | UWRITE2(sc, UHCI_INTR, 0); /* disable intrs */ |
| 716 | |
| 717 | UHCICMD(sc, cmd | UHCI_CMD_EGSM); /* enter global suspend */ |
| 718 | usb_delay_ms(&sc->sc_bus, USB_RESUME_WAIT); |
| 719 | sc->sc_suspend = why; |
| 720 | sc->sc_bus.use_polling--; |
| 721 | DPRINTF(("uhci_power: cmd=0x%x\n", UREAD2(sc, UHCI_CMD))); |
| 722 | } else { |
| 723 | #ifdef DIAGNOSTIC |
| 724 | if (sc->sc_suspend == PWR_RESUME) |
| 725 | printf("uhci_power: weird, resume without suspend.\n"); |
| 726 | #endif |
| 727 | sc->sc_bus.use_polling++; |
| 728 | sc->sc_suspend = why; |
| 729 | if (cmd & UHCI_CMD_RS) |
| 730 | uhci_run(sc, 0); /* in case BIOS has started it */ |
| 731 | |
| 732 | /* restore saved state */ |
| 733 | UWRITE4(sc, UHCI_FLBASEADDR, DMAADDR(&sc->sc_dma, 0)); |
| 734 | UWRITE2(sc, UHCI_FRNUM, sc->sc_saved_frnum); |
| 735 | UWRITE1(sc, UHCI_SOF, sc->sc_saved_sof); |
| 736 | |
| 737 | UHCICMD(sc, cmd | UHCI_CMD_FGR); /* force global resume */ |
| 738 | usb_delay_ms(&sc->sc_bus, USB_RESUME_DELAY); |
| 739 | UHCICMD(sc, cmd & ~UHCI_CMD_EGSM); /* back to normal */ |
| 740 | UWRITE2(sc, UHCI_INTR, UHCI_INTR_TOCRCIE | UHCI_INTR_RIE | |
| 741 | UHCI_INTR_IOCE | UHCI_INTR_SPIE); /* re-enable intrs */ |
| 742 | UHCICMD(sc, UHCI_CMD_MAXP); |
| 743 | uhci_run(sc, 1); /* and start traffic again */ |
| 744 | usb_delay_ms(&sc->sc_bus, USB_RESUME_RECOVERY); |
| 745 | sc->sc_bus.use_polling--; |
| 746 | if (sc->sc_intr_xfer != NULL) |
| 747 | usb_callout(sc->sc_poll_handle, sc->sc_ival, |
| 748 | uhci_poll_hub, sc->sc_intr_xfer); |
| 749 | #ifdef USB_DEBUG |
| 750 | if (uhcidebug > 2) |
| 751 | uhci_dumpregs(sc); |
| 752 | #endif |
| 753 | } |
| 754 | crit_exit(); |
| 755 | } |
| 756 | |
| 757 | #ifdef USB_DEBUG |
| 758 | Static void |
| 759 | uhci_dumpregs(uhci_softc_t *sc) |
| 760 | { |
| 761 | DPRINTFN(-1,("%s regs: cmd=%04x, sts=%04x, intr=%04x, frnum=%04x, " |
| 762 | "flbase=%08x, sof=%04x, portsc1=%04x, portsc2=%04x\n", |
| 763 | USBDEVNAME(sc->sc_bus.bdev), |
| 764 | UREAD2(sc, UHCI_CMD), |
| 765 | UREAD2(sc, UHCI_STS), |
| 766 | UREAD2(sc, UHCI_INTR), |
| 767 | UREAD2(sc, UHCI_FRNUM), |
| 768 | UREAD4(sc, UHCI_FLBASEADDR), |
| 769 | UREAD1(sc, UHCI_SOF), |
| 770 | UREAD2(sc, UHCI_PORTSC1), |
| 771 | UREAD2(sc, UHCI_PORTSC2))); |
| 772 | } |
| 773 | |
| 774 | void |
| 775 | uhci_dump_td(uhci_soft_td_t *p) |
| 776 | { |
| 777 | char sbuf[128], sbuf2[128]; |
| 778 | |
| 779 | DPRINTFN(-1,("TD(%p) at %08lx = link=0x%08lx status=0x%08lx " |
| 780 | "token=0x%08lx buffer=0x%08lx\n", |
| 781 | p, (long)p->physaddr, |
| 782 | (long)le32toh(p->td.td_link), |
| 783 | (long)le32toh(p->td.td_status), |
| 784 | (long)le32toh(p->td.td_token), |
| 785 | (long)le32toh(p->td.td_buffer))); |
| 786 | |
| 787 | bitmask_snprintf((u_int32_t)le32toh(p->td.td_link), "\20\1T\2Q\3VF", |
| 788 | sbuf, sizeof(sbuf)); |
| 789 | bitmask_snprintf((u_int32_t)le32toh(p->td.td_status), |
| 790 | "\20\22BITSTUFF\23CRCTO\24NAK\25BABBLE\26DBUFFER\27" |
| 791 | "STALLED\30ACTIVE\31IOC\32ISO\33LS\36SPD", |
| 792 | sbuf2, sizeof(sbuf2)); |
| 793 | |
| 794 | DPRINTFN(-1,(" %s %s,errcnt=%d,actlen=%d pid=%02x,addr=%d,endpt=%d," |
| 795 | "D=%d,maxlen=%d\n", sbuf, sbuf2, |
| 796 | UHCI_TD_GET_ERRCNT(le32toh(p->td.td_status)), |
| 797 | UHCI_TD_GET_ACTLEN(le32toh(p->td.td_status)), |
| 798 | UHCI_TD_GET_PID(le32toh(p->td.td_token)), |
| 799 | UHCI_TD_GET_DEVADDR(le32toh(p->td.td_token)), |
| 800 | UHCI_TD_GET_ENDPT(le32toh(p->td.td_token)), |
| 801 | UHCI_TD_GET_DT(le32toh(p->td.td_token)), |
| 802 | UHCI_TD_GET_MAXLEN(le32toh(p->td.td_token)))); |
| 803 | } |
| 804 | |
| 805 | void |
| 806 | uhci_dump_qh(uhci_soft_qh_t *sqh) |
| 807 | { |
| 808 | DPRINTFN(-1,("QH(%p) at %08x: hlink=%08x elink=%08x\n", sqh, |
| 809 | (int)sqh->physaddr, le32toh(sqh->qh.qh_hlink), |
| 810 | le32toh(sqh->qh.qh_elink))); |
| 811 | } |
| 812 | |
| 813 | #if 1 |
| 814 | void |
| 815 | uhci_dump(void) |
| 816 | { |
| 817 | uhci_dump_all(thesc); |
| 818 | } |
| 819 | #endif |
| 820 | |
| 821 | void |
| 822 | uhci_dump_all(uhci_softc_t *sc) |
| 823 | { |
| 824 | uhci_dumpregs(sc); |
| 825 | printf("intrs=%d\n", sc->sc_bus.no_intrs); |
| 826 | /*printf("framelist[i].link = %08x\n", sc->sc_framelist[0].link);*/ |
| 827 | uhci_dump_qh(sc->sc_lctl_start); |
| 828 | } |
| 829 | |
| 830 | void |
| 831 | uhci_dump_qhs(uhci_soft_qh_t *sqh) |
| 832 | { |
| 833 | uhci_dump_qh(sqh); |
| 834 | |
| 835 | /* uhci_dump_qhs displays all the QHs and TDs from the given QH onwards |
| 836 | * Traverses sideways first, then down. |
| 837 | * |
| 838 | * QH1 |
| 839 | * QH2 |
| 840 | * No QH |
| 841 | * TD2.1 |
| 842 | * TD2.2 |
| 843 | * TD1.1 |
| 844 | * etc. |
| 845 | * |
| 846 | * TD2.x being the TDs queued at QH2 and QH1 being referenced from QH1. |
| 847 | */ |
| 848 | |
| 849 | |
| 850 | if (sqh->hlink != NULL && !(le32toh(sqh->qh.qh_hlink) & UHCI_PTR_T)) |
| 851 | uhci_dump_qhs(sqh->hlink); |
| 852 | else |
| 853 | DPRINTF(("No QH\n")); |
| 854 | |
| 855 | if (sqh->elink != NULL && !(le32toh(sqh->qh.qh_elink) & UHCI_PTR_T)) |
| 856 | uhci_dump_tds(sqh->elink); |
| 857 | else |
| 858 | DPRINTF(("No TD\n")); |
| 859 | } |
| 860 | |
| 861 | void |
| 862 | uhci_dump_tds(uhci_soft_td_t *std) |
| 863 | { |
| 864 | uhci_soft_td_t *td; |
| 865 | |
| 866 | for(td = std; td != NULL; td = td->link.std) { |
| 867 | uhci_dump_td(td); |
| 868 | |
| 869 | /* Check whether the link pointer in this TD marks |
| 870 | * the link pointer as end of queue. This avoids |
| 871 | * printing the free list in case the queue/TD has |
| 872 | * already been moved there (seatbelt). |
| 873 | */ |
| 874 | if (le32toh(td->td.td_link) & UHCI_PTR_T || |
| 875 | le32toh(td->td.td_link) == 0) |
| 876 | break; |
| 877 | } |
| 878 | } |
| 879 | |
| 880 | Static void |
| 881 | uhci_dump_ii(uhci_intr_info_t *ii) |
| 882 | { |
| 883 | usbd_pipe_handle pipe; |
| 884 | usb_endpoint_descriptor_t *ed; |
| 885 | usbd_device_handle dev; |
| 886 | |
| 887 | #ifdef DIAGNOSTIC |
| 888 | #define DONE ii->isdone |
| 889 | #else |
| 890 | #define DONE 0 |
| 891 | #endif |
| 892 | if (ii == NULL) { |
| 893 | printf("ii NULL\n"); |
| 894 | return; |
| 895 | } |
| 896 | if (ii->xfer == NULL) { |
| 897 | printf("ii %p: done=%d xfer=NULL\n", |
| 898 | ii, DONE); |
| 899 | return; |
| 900 | } |
| 901 | pipe = ii->xfer->pipe; |
| 902 | if (pipe == NULL) { |
| 903 | printf("ii %p: done=%d xfer=%p pipe=NULL\n", |
| 904 | ii, DONE, ii->xfer); |
| 905 | return; |
| 906 | } |
| 907 | if (pipe->endpoint == NULL) { |
| 908 | printf("ii %p: done=%d xfer=%p pipe=%p pipe->endpoint=NULL\n", |
| 909 | ii, DONE, ii->xfer, pipe); |
| 910 | return; |
| 911 | } |
| 912 | if (pipe->device == NULL) { |
| 913 | printf("ii %p: done=%d xfer=%p pipe=%p pipe->device=NULL\n", |
| 914 | ii, DONE, ii->xfer, pipe); |
| 915 | return; |
| 916 | } |
| 917 | ed = pipe->endpoint->edesc; |
| 918 | dev = pipe->device; |
| 919 | printf("ii %p: done=%d xfer=%p dev=%p vid=0x%04x pid=0x%04x addr=%d pipe=%p ep=0x%02x attr=0x%02x\n", |
| 920 | ii, DONE, ii->xfer, dev, |
| 921 | UGETW(dev->ddesc.idVendor), |
| 922 | UGETW(dev->ddesc.idProduct), |
| 923 | dev->address, pipe, |
| 924 | ed->bEndpointAddress, ed->bmAttributes); |
| 925 | #undef DONE |
| 926 | } |
| 927 | |
| 928 | void uhci_dump_iis(struct uhci_softc *sc); |
| 929 | void |
| 930 | uhci_dump_iis(struct uhci_softc *sc) |
| 931 | { |
| 932 | uhci_intr_info_t *ii; |
| 933 | |
| 934 | printf("intr_info list:\n"); |
| 935 | for (ii = LIST_FIRST(&sc->sc_intrhead); ii; ii = LIST_NEXT(ii, list)) |
| 936 | uhci_dump_ii(ii); |
| 937 | } |
| 938 | |
| 939 | void iidump(void); |
| 940 | void iidump(void) { uhci_dump_iis(thesc); } |
| 941 | |
| 942 | #endif |
| 943 | |
| 944 | /* |
| 945 | * This routine is executed periodically and simulates interrupts |
| 946 | * from the root controller interrupt pipe for port status change. |
| 947 | */ |
| 948 | void |
| 949 | uhci_poll_hub(void *addr) |
| 950 | { |
| 951 | usbd_xfer_handle xfer = addr; |
| 952 | usbd_pipe_handle pipe = xfer->pipe; |
| 953 | uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; |
| 954 | u_char *p; |
| 955 | |
| 956 | DPRINTFN(20, ("uhci_poll_hub\n")); |
| 957 | |
| 958 | usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer); |
| 959 | |
| 960 | p = KERNADDR(&xfer->dmabuf, 0); |
| 961 | p[0] = 0; |
| 962 | if (UREAD2(sc, UHCI_PORTSC1) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC)) |
| 963 | p[0] |= 1<<1; |
| 964 | if (UREAD2(sc, UHCI_PORTSC2) & (UHCI_PORTSC_CSC|UHCI_PORTSC_OCIC)) |
| 965 | p[0] |= 1<<2; |
| 966 | if (p[0] == 0) |
| 967 | /* No change, try again in a while */ |
| 968 | return; |
| 969 | |
| 970 | xfer->actlen = 1; |
| 971 | xfer->status = USBD_NORMAL_COMPLETION; |
| 972 | crit_enter(); |
| 973 | xfer->device->bus->intr_context++; |
| 974 | usb_transfer_complete(xfer); |
| 975 | xfer->device->bus->intr_context--; |
| 976 | crit_exit(); |
| 977 | } |
| 978 | |
| 979 | void |
| 980 | uhci_root_intr_done(usbd_xfer_handle xfer) |
| 981 | { |
| 982 | } |
| 983 | |
| 984 | void |
| 985 | uhci_root_ctrl_done(usbd_xfer_handle xfer) |
| 986 | { |
| 987 | } |
| 988 | |
| 989 | /* |
| 990 | * Let the last QH loop back to the high speed control transfer QH. |
| 991 | * This is what intel calls "bandwidth reclamation" and improves |
| 992 | * USB performance a lot for some devices. |
| 993 | * If we are already looping, just count it. |
| 994 | */ |
| 995 | void |
| 996 | uhci_add_loop(uhci_softc_t *sc) { |
| 997 | #ifdef USB_DEBUG |
| 998 | if (uhcinoloop) |
| 999 | return; |
| 1000 | #endif |
| 1001 | if (++sc->sc_loops == 1) { |
| 1002 | DPRINTFN(5,("uhci_start_loop: add\n")); |
| 1003 | /* Note, we don't loop back the soft pointer. */ |
| 1004 | sc->sc_last_qh->qh.qh_hlink = |
| 1005 | htole32(sc->sc_hctl_start->physaddr | UHCI_PTR_QH); |
| 1006 | } |
| 1007 | } |
| 1008 | |
| 1009 | void |
| 1010 | uhci_rem_loop(uhci_softc_t *sc) { |
| 1011 | #ifdef USB_DEBUG |
| 1012 | if (uhcinoloop) |
| 1013 | return; |
| 1014 | #endif |
| 1015 | if (--sc->sc_loops == 0) { |
| 1016 | DPRINTFN(5,("uhci_end_loop: remove\n")); |
| 1017 | sc->sc_last_qh->qh.qh_hlink = htole32(UHCI_PTR_T); |
| 1018 | } |
| 1019 | } |
| 1020 | |
| 1021 | /* Add high speed control QH, called from a critical section. */ |
| 1022 | void |
| 1023 | uhci_add_hs_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh) |
| 1024 | { |
| 1025 | uhci_soft_qh_t *eqh; |
| 1026 | |
| 1027 | DPRINTFN(10, ("uhci_add_ctrl: sqh=%p\n", sqh)); |
| 1028 | eqh = sc->sc_hctl_end; |
| 1029 | sqh->hlink = eqh->hlink; |
| 1030 | sqh->qh.qh_hlink = eqh->qh.qh_hlink; |
| 1031 | eqh->hlink = sqh; |
| 1032 | eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_QH); |
| 1033 | sc->sc_hctl_end = sqh; |
| 1034 | #ifdef UHCI_CTL_LOOP |
| 1035 | uhci_add_loop(sc); |
| 1036 | #endif |
| 1037 | } |
| 1038 | |
| 1039 | /* Remove high speed control QH, called from a critical section. */ |
| 1040 | void |
| 1041 | uhci_remove_hs_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh) |
| 1042 | { |
| 1043 | uhci_soft_qh_t *pqh; |
| 1044 | |
| 1045 | DPRINTFN(10, ("uhci_remove_hs_ctrl: sqh=%p\n", sqh)); |
| 1046 | #ifdef UHCI_CTL_LOOP |
| 1047 | uhci_rem_loop(sc); |
| 1048 | #endif |
| 1049 | /* |
| 1050 | * The T bit should be set in the elink of the QH so that the HC |
| 1051 | * doesn't follow the pointer. This condition may fail if the |
| 1052 | * the transferred packet was short so that the QH still points |
| 1053 | * at the last used TD. |
| 1054 | * In this case we set the T bit and wait a little for the HC |
| 1055 | * to stop looking at the TD. |
| 1056 | */ |
| 1057 | if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) { |
| 1058 | sqh->qh.qh_elink = htole32(UHCI_PTR_T); |
| 1059 | delay(UHCI_QH_REMOVE_DELAY); |
| 1060 | } |
| 1061 | |
| 1062 | pqh = uhci_find_prev_qh(sc->sc_hctl_start, sqh); |
| 1063 | pqh->hlink = sqh->hlink; |
| 1064 | pqh->qh.qh_hlink = sqh->qh.qh_hlink; |
| 1065 | delay(UHCI_QH_REMOVE_DELAY); |
| 1066 | if (sc->sc_hctl_end == sqh) |
| 1067 | sc->sc_hctl_end = pqh; |
| 1068 | } |
| 1069 | |
| 1070 | /* Add low speed control QH, called from a critical section. */ |
| 1071 | void |
| 1072 | uhci_add_ls_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh) |
| 1073 | { |
| 1074 | uhci_soft_qh_t *eqh; |
| 1075 | |
| 1076 | DPRINTFN(10, ("uhci_add_ls_ctrl: sqh=%p\n", sqh)); |
| 1077 | eqh = sc->sc_lctl_end; |
| 1078 | sqh->hlink = eqh->hlink; |
| 1079 | sqh->qh.qh_hlink = eqh->qh.qh_hlink; |
| 1080 | eqh->hlink = sqh; |
| 1081 | eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_QH); |
| 1082 | sc->sc_lctl_end = sqh; |
| 1083 | } |
| 1084 | |
| 1085 | /* Remove low speed control QH, called from a critical section. */ |
| 1086 | void |
| 1087 | uhci_remove_ls_ctrl(uhci_softc_t *sc, uhci_soft_qh_t *sqh) |
| 1088 | { |
| 1089 | uhci_soft_qh_t *pqh; |
| 1090 | |
| 1091 | DPRINTFN(10, ("uhci_remove_ls_ctrl: sqh=%p\n", sqh)); |
| 1092 | /* See comment in uhci_remove_hs_ctrl() */ |
| 1093 | if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) { |
| 1094 | sqh->qh.qh_elink = htole32(UHCI_PTR_T); |
| 1095 | delay(UHCI_QH_REMOVE_DELAY); |
| 1096 | } |
| 1097 | pqh = uhci_find_prev_qh(sc->sc_lctl_start, sqh); |
| 1098 | pqh->hlink = sqh->hlink; |
| 1099 | pqh->qh.qh_hlink = sqh->qh.qh_hlink; |
| 1100 | delay(UHCI_QH_REMOVE_DELAY); |
| 1101 | if (sc->sc_lctl_end == sqh) |
| 1102 | sc->sc_lctl_end = pqh; |
| 1103 | } |
| 1104 | |
| 1105 | /* Add bulk QH, called from a critical section. */ |
| 1106 | void |
| 1107 | uhci_add_bulk(uhci_softc_t *sc, uhci_soft_qh_t *sqh) |
| 1108 | { |
| 1109 | uhci_soft_qh_t *eqh; |
| 1110 | |
| 1111 | DPRINTFN(10, ("uhci_add_bulk: sqh=%p\n", sqh)); |
| 1112 | eqh = sc->sc_bulk_end; |
| 1113 | sqh->hlink = eqh->hlink; |
| 1114 | sqh->qh.qh_hlink = eqh->qh.qh_hlink; |
| 1115 | eqh->hlink = sqh; |
| 1116 | eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_QH); |
| 1117 | sc->sc_bulk_end = sqh; |
| 1118 | uhci_add_loop(sc); |
| 1119 | } |
| 1120 | |
| 1121 | /* Remove bulk QH, called from a critical section. */ |
| 1122 | void |
| 1123 | uhci_remove_bulk(uhci_softc_t *sc, uhci_soft_qh_t *sqh) |
| 1124 | { |
| 1125 | uhci_soft_qh_t *pqh; |
| 1126 | |
| 1127 | DPRINTFN(10, ("uhci_remove_bulk: sqh=%p\n", sqh)); |
| 1128 | uhci_rem_loop(sc); |
| 1129 | /* See comment in uhci_remove_hs_ctrl() */ |
| 1130 | if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) { |
| 1131 | sqh->qh.qh_elink = htole32(UHCI_PTR_T); |
| 1132 | delay(UHCI_QH_REMOVE_DELAY); |
| 1133 | } |
| 1134 | pqh = uhci_find_prev_qh(sc->sc_bulk_start, sqh); |
| 1135 | pqh->hlink = sqh->hlink; |
| 1136 | pqh->qh.qh_hlink = sqh->qh.qh_hlink; |
| 1137 | delay(UHCI_QH_REMOVE_DELAY); |
| 1138 | if (sc->sc_bulk_end == sqh) |
| 1139 | sc->sc_bulk_end = pqh; |
| 1140 | } |
| 1141 | |
| 1142 | Static int uhci_intr1(uhci_softc_t *); |
| 1143 | |
| 1144 | int |
| 1145 | uhci_intr(void *arg) |
| 1146 | { |
| 1147 | uhci_softc_t *sc = arg; |
| 1148 | |
| 1149 | if (sc->sc_dying) |
| 1150 | return (0); |
| 1151 | |
| 1152 | if (sc->sc_bus.use_polling) { |
| 1153 | #ifdef DIAGNOSTIC |
| 1154 | DPRINTFN(16, ("uhci_intr: ignored interrupt while polling\n")); |
| 1155 | #endif |
| 1156 | return (0); |
| 1157 | } |
| 1158 | |
| 1159 | return (uhci_intr1(sc)); |
| 1160 | } |
| 1161 | |
| 1162 | int |
| 1163 | uhci_intr1(uhci_softc_t *sc) |
| 1164 | { |
| 1165 | |
| 1166 | int status; |
| 1167 | int ack; |
| 1168 | |
| 1169 | /* |
| 1170 | * It can happen that an interrupt will be delivered to |
| 1171 | * us before the device has been fully attached and the |
| 1172 | * softc struct has been configured. Usually this happens |
| 1173 | * when kldloading the USB support as a module after the |
| 1174 | * system has been booted. If we detect this condition, |
| 1175 | * we need to squelch the unwanted interrupts until we're |
| 1176 | * ready for them. |
| 1177 | */ |
| 1178 | if (sc->sc_bus.bdev == NULL) { |
| 1179 | UWRITE2(sc, UHCI_STS, 0xFFFF); /* ack pending interrupts */ |
| 1180 | uhci_run(sc, 0); /* stop the controller */ |
| 1181 | UWRITE2(sc, UHCI_INTR, 0); /* disable interrupts */ |
| 1182 | return(0); |
| 1183 | } |
| 1184 | |
| 1185 | #ifdef USB_DEBUG |
| 1186 | if (uhcidebug > 15) { |
| 1187 | DPRINTF(("%s: uhci_intr1\n", USBDEVNAME(sc->sc_bus.bdev))); |
| 1188 | uhci_dumpregs(sc); |
| 1189 | } |
| 1190 | #endif |
| 1191 | status = UREAD2(sc, UHCI_STS) & UHCI_STS_ALLINTRS; |
| 1192 | if (status == 0) /* The interrupt was not for us. */ |
| 1193 | return (0); |
| 1194 | |
| 1195 | #if defined(DIAGNOSTIC) && defined(__NetBSD__) |
| 1196 | if (sc->sc_suspend != PWR_RESUME) |
| 1197 | printf("uhci_intr: suspended sts=0x%x\n", status); |
| 1198 | #endif |
| 1199 | |
| 1200 | if (sc->sc_suspend != PWR_RESUME) { |
| 1201 | printf("%s: interrupt while not operating ignored\n", |
| 1202 | USBDEVNAME(sc->sc_bus.bdev)); |
| 1203 | UWRITE2(sc, UHCI_STS, status); /* acknowledge the ints */ |
| 1204 | return (0); |
| 1205 | } |
| 1206 | |
| 1207 | ack = 0; |
| 1208 | if (status & UHCI_STS_USBINT) |
| 1209 | ack |= UHCI_STS_USBINT; |
| 1210 | if (status & UHCI_STS_USBEI) |
| 1211 | ack |= UHCI_STS_USBEI; |
| 1212 | if (status & UHCI_STS_RD) { |
| 1213 | ack |= UHCI_STS_RD; |
| 1214 | #ifdef USB_DEBUG |
| 1215 | printf("%s: resume detect\n", USBDEVNAME(sc->sc_bus.bdev)); |
| 1216 | #endif |
| 1217 | } |
| 1218 | if (status & UHCI_STS_HSE) { |
| 1219 | ack |= UHCI_STS_HSE; |
| 1220 | printf("%s: host system error\n", USBDEVNAME(sc->sc_bus.bdev)); |
| 1221 | } |
| 1222 | if (status & UHCI_STS_HCPE) { |
| 1223 | ack |= UHCI_STS_HCPE; |
| 1224 | printf("%s: host controller process error\n", |
| 1225 | USBDEVNAME(sc->sc_bus.bdev)); |
| 1226 | } |
| 1227 | if (status & UHCI_STS_HCH) { |
| 1228 | /* no acknowledge needed */ |
| 1229 | if (!sc->sc_dying) { |
| 1230 | printf("%s: host controller halted\n", |
| 1231 | USBDEVNAME(sc->sc_bus.bdev)); |
| 1232 | #ifdef USB_DEBUG |
| 1233 | uhci_dump_all(sc); |
| 1234 | #endif |
| 1235 | } |
| 1236 | sc->sc_dying = 1; |
| 1237 | } |
| 1238 | |
| 1239 | if (!ack) |
| 1240 | return (0); /* nothing to acknowledge */ |
| 1241 | UWRITE2(sc, UHCI_STS, ack); /* acknowledge the ints */ |
| 1242 | |
| 1243 | sc->sc_bus.no_intrs++; |
| 1244 | usb_schedsoftintr(&sc->sc_bus); |
| 1245 | |
| 1246 | DPRINTFN(15, ("%s: uhci_intr: exit\n", USBDEVNAME(sc->sc_bus.bdev))); |
| 1247 | |
| 1248 | return (1); |
| 1249 | } |
| 1250 | |
| 1251 | void |
| 1252 | uhci_softintr(void *v) |
| 1253 | { |
| 1254 | uhci_softc_t *sc = v; |
| 1255 | uhci_intr_info_t *ii; |
| 1256 | int last_deletion_counter; |
| 1257 | |
| 1258 | DPRINTFN(10,("%s: uhci_softintr (%d)\n", USBDEVNAME(sc->sc_bus.bdev), |
| 1259 | sc->sc_bus.intr_context)); |
| 1260 | |
| 1261 | sc->sc_bus.intr_context++; |
| 1262 | |
| 1263 | /* |
| 1264 | * Interrupts on UHCI really suck. When the host controller |
| 1265 | * interrupts because a transfer is completed there is no |
| 1266 | * way of knowing which transfer it was. You can scan down |
| 1267 | * the TDs and QHs of the previous frame to limit the search, |
| 1268 | * but that assumes that the interrupt was not delayed by more |
| 1269 | * than 1 ms, which may not always be true (e.g. after debug |
| 1270 | * output on a slow console). |
| 1271 | * We scan all interrupt descriptors to see if any have |
| 1272 | * completed. |
| 1273 | * |
| 1274 | * XXX horrible hack - use a counter to detect if the list is |
| 1275 | * modified out from under us and rescan if it is. |
| 1276 | */ |
| 1277 | again: |
| 1278 | last_deletion_counter = sc->sc_intrhead_deletion_counter; |
| 1279 | LIST_FOREACH(ii, &sc->sc_intrhead, list) { |
| 1280 | uhci_check_intr(sc, ii); |
| 1281 | if (sc->sc_intrhead_deletion_counter != last_deletion_counter) |
| 1282 | goto again; |
| 1283 | } |
| 1284 | |
| 1285 | #ifdef USB_USE_SOFTINTR |
| 1286 | if (sc->sc_softwake) { |
| 1287 | sc->sc_softwake = 0; |
| 1288 | wakeup(&sc->sc_softwake); |
| 1289 | } |
| 1290 | #endif /* USB_USE_SOFTINTR */ |
| 1291 | |
| 1292 | sc->sc_bus.intr_context--; |
| 1293 | } |
| 1294 | |
| 1295 | /* Check for an interrupt. */ |
| 1296 | void |
| 1297 | uhci_check_intr(uhci_softc_t *sc, uhci_intr_info_t *ii) |
| 1298 | { |
| 1299 | uhci_soft_td_t *std, *lstd; |
| 1300 | u_int32_t status; |
| 1301 | |
| 1302 | DPRINTFN(15, ("uhci_check_intr: ii=%p\n", ii)); |
| 1303 | #ifdef DIAGNOSTIC |
| 1304 | if (ii == NULL) { |
| 1305 | printf("uhci_check_intr: no ii? %p\n", ii); |
| 1306 | return; |
| 1307 | } |
| 1308 | #endif |
| 1309 | if (ii->xfer->status == USBD_CANCELLED || |
| 1310 | ii->xfer->status == USBD_TIMEOUT) { |
| 1311 | DPRINTF(("uhci_check_intr: aborted xfer=%p\n", ii->xfer)); |
| 1312 | return; |
| 1313 | } |
| 1314 | |
| 1315 | if (ii->stdstart == NULL) |
| 1316 | return; |
| 1317 | lstd = ii->stdend; |
| 1318 | #ifdef DIAGNOSTIC |
| 1319 | if (lstd == NULL) { |
| 1320 | printf("uhci_check_intr: std==0\n"); |
| 1321 | return; |
| 1322 | } |
| 1323 | #endif |
| 1324 | /* |
| 1325 | * If the last TD is still active we need to check whether there |
| 1326 | * is an error somewhere in the middle, or whether there was a |
| 1327 | * short packet (SPD and not ACTIVE). |
| 1328 | */ |
| 1329 | if (le32toh(lstd->td.td_status) & UHCI_TD_ACTIVE) { |
| 1330 | DPRINTFN(12, ("uhci_check_intr: active ii=%p\n", ii)); |
| 1331 | for (std = ii->stdstart; std != lstd; std = std->link.std) { |
| 1332 | status = le32toh(std->td.td_status); |
| 1333 | /* If there's an active TD the xfer isn't done. */ |
| 1334 | if (status & UHCI_TD_ACTIVE) |
| 1335 | break; |
| 1336 | /* Any kind of error makes the xfer done. */ |
| 1337 | if (status & UHCI_TD_STALLED) |
| 1338 | goto done; |
| 1339 | /* We want short packets, and it is short: it's done */ |
| 1340 | if ((status & UHCI_TD_SPD) && |
| 1341 | UHCI_TD_GET_ACTLEN(status) < |
| 1342 | UHCI_TD_GET_MAXLEN(le32toh(std->td.td_token))) { |
| 1343 | goto done; |
| 1344 | } |
| 1345 | } |
| 1346 | DPRINTFN(12, ("uhci_check_intr: ii=%p std=%p still active\n", |
| 1347 | ii, ii->stdstart)); |
| 1348 | return; |
| 1349 | } |
| 1350 | done: |
| 1351 | DPRINTFN(12, ("uhci_check_intr: ii=%p done\n", ii)); |
| 1352 | usb_uncallout(ii->xfer->timeout_handle, uhci_timeout, ii); |
| 1353 | uhci_idone(ii); |
| 1354 | } |
| 1355 | |
| 1356 | /* Called from a critical section. */ |
| 1357 | void |
| 1358 | uhci_idone(uhci_intr_info_t *ii) |
| 1359 | { |
| 1360 | usbd_xfer_handle xfer = ii->xfer; |
| 1361 | struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; |
| 1362 | uhci_soft_td_t *std; |
| 1363 | u_int32_t status = 0, nstatus; |
| 1364 | int actlen; |
| 1365 | |
| 1366 | DPRINTFN(12, ("uhci_idone: ii=%p\n", ii)); |
| 1367 | #ifdef DIAGNOSTIC |
| 1368 | { |
| 1369 | crit_enter(); |
| 1370 | if (ii->isdone) { |
| 1371 | crit_exit(); |
| 1372 | #ifdef USB_DEBUG |
| 1373 | printf("uhci_idone: ii is done!\n "); |
| 1374 | uhci_dump_ii(ii); |
| 1375 | #else |
| 1376 | printf("uhci_idone: ii=%p is done!\n", ii); |
| 1377 | #endif |
| 1378 | return; |
| 1379 | } |
| 1380 | ii->isdone = 1; |
| 1381 | crit_exit(); |
| 1382 | } |
| 1383 | #endif |
| 1384 | |
| 1385 | if (xfer->nframes != 0) { |
| 1386 | /* Isoc transfer, do things differently. */ |
| 1387 | uhci_soft_td_t **stds = upipe->u.iso.stds; |
| 1388 | int i, n, nframes, len; |
| 1389 | |
| 1390 | DPRINTFN(5,("uhci_idone: ii=%p isoc ready\n", ii)); |
| 1391 | |
| 1392 | nframes = xfer->nframes; |
| 1393 | actlen = 0; |
| 1394 | n = UXFER(xfer)->curframe; |
| 1395 | for (i = 0; i < nframes; i++) { |
| 1396 | std = stds[n]; |
| 1397 | #ifdef USB_DEBUG |
| 1398 | if (uhcidebug > 5) { |
| 1399 | DPRINTFN(-1,("uhci_idone: isoc TD %d\n", i)); |
| 1400 | uhci_dump_td(std); |
| 1401 | } |
| 1402 | #endif |
| 1403 | if (++n >= UHCI_VFRAMELIST_COUNT) |
| 1404 | n = 0; |
| 1405 | status = le32toh(std->td.td_status); |
| 1406 | len = UHCI_TD_GET_ACTLEN(status); |
| 1407 | xfer->frlengths[i] = len; |
| 1408 | actlen += len; |
| 1409 | } |
| 1410 | upipe->u.iso.inuse -= nframes; |
| 1411 | xfer->actlen = actlen; |
| 1412 | xfer->status = USBD_NORMAL_COMPLETION; |
| 1413 | goto end; |
| 1414 | } |
| 1415 | |
| 1416 | #ifdef USB_DEBUG |
| 1417 | DPRINTFN(10, ("uhci_idone: ii=%p, xfer=%p, pipe=%p ready\n", |
| 1418 | ii, xfer, upipe)); |
| 1419 | if (uhcidebug > 10) |
| 1420 | uhci_dump_tds(ii->stdstart); |
| 1421 | #endif |
| 1422 | |
| 1423 | /* The transfer is done, compute actual length and status. */ |
| 1424 | actlen = 0; |
| 1425 | for (std = ii->stdstart; std != NULL; std = std->link.std) { |
| 1426 | nstatus = le32toh(std->td.td_status); |
| 1427 | if (nstatus & UHCI_TD_ACTIVE) |
| 1428 | break; |
| 1429 | |
| 1430 | status = nstatus; |
| 1431 | if (UHCI_TD_GET_PID(le32toh(std->td.td_token)) != |
| 1432 | UHCI_TD_PID_SETUP) { |
| 1433 | actlen += UHCI_TD_GET_ACTLEN(status); |
| 1434 | } else { |
| 1435 | /* |
| 1436 | * UHCI will report CRCTO in addition to a STALL or NAK |
| 1437 | * for a SETUP transaction. See section 3.2.2, "TD |
| 1438 | * CONTROL AND STATUS". |
| 1439 | */ |
| 1440 | if (status & (UHCI_TD_STALLED | UHCI_TD_NAK)) |
| 1441 | status &= ~UHCI_TD_CRCTO; |
| 1442 | } |
| 1443 | |
| 1444 | } |
| 1445 | /* If there are left over TDs we need to update the toggle. */ |
| 1446 | if (std != NULL) |
| 1447 | upipe->nexttoggle = UHCI_TD_GET_DT(le32toh(std->td.td_token)); |
| 1448 | |
| 1449 | status &= UHCI_TD_ERROR; |
| 1450 | DPRINTFN(10, ("uhci_idone: actlen=%d, status=0x%x\n", |
| 1451 | actlen, status)); |
| 1452 | xfer->actlen = actlen; |
| 1453 | if (status != 0) { |
| 1454 | #ifdef USB_DEBUG |
| 1455 | char sbuf[128]; |
| 1456 | |
| 1457 | bitmask_snprintf((u_int32_t)status, |
| 1458 | "\20\22BITSTUFF\23CRCTO\24NAK\25" |
| 1459 | "BABBLE\26DBUFFER\27STALLED\30ACTIVE", |
| 1460 | sbuf, sizeof(sbuf)); |
| 1461 | |
| 1462 | DPRINTFN((status == UHCI_TD_STALLED)*10, |
| 1463 | ("uhci_idone: error, addr=%d, endpt=0x%02x, " |
| 1464 | "status 0x%s\n", |
| 1465 | xfer->pipe->device->address, |
| 1466 | xfer->pipe->endpoint->edesc->bEndpointAddress, |
| 1467 | sbuf)); |
| 1468 | #endif |
| 1469 | if (status == UHCI_TD_STALLED) |
| 1470 | xfer->status = USBD_STALLED; |
| 1471 | else |
| 1472 | xfer->status = USBD_IOERROR; /* more info XXX */ |
| 1473 | } else { |
| 1474 | xfer->status = USBD_NORMAL_COMPLETION; |
| 1475 | } |
| 1476 | |
| 1477 | end: |
| 1478 | usb_transfer_complete(xfer); |
| 1479 | DPRINTFN(12, ("uhci_idone: ii=%p done\n", ii)); |
| 1480 | } |
| 1481 | |
| 1482 | /* |
| 1483 | * Called when a request does not complete. |
| 1484 | */ |
| 1485 | void |
| 1486 | uhci_timeout(void *addr) |
| 1487 | { |
| 1488 | uhci_intr_info_t *ii = addr; |
| 1489 | struct uhci_xfer *uxfer = UXFER(ii->xfer); |
| 1490 | struct uhci_pipe *upipe = (struct uhci_pipe *)uxfer->xfer.pipe; |
| 1491 | uhci_softc_t *sc = (uhci_softc_t *)upipe->pipe.device->bus; |
| 1492 | |
| 1493 | DPRINTF(("uhci_timeout: uxfer=%p\n", uxfer)); |
| 1494 | |
| 1495 | if (sc->sc_dying) { |
| 1496 | uhci_abort_xfer(&uxfer->xfer, USBD_TIMEOUT); |
| 1497 | return; |
| 1498 | } |
| 1499 | |
| 1500 | /* Execute the abort in a process context. */ |
| 1501 | usb_init_task(&uxfer->abort_task, uhci_timeout_task, ii->xfer); |
| 1502 | usb_add_task(uxfer->xfer.pipe->device, &uxfer->abort_task); |
| 1503 | } |
| 1504 | |
| 1505 | void |
| 1506 | uhci_timeout_task(void *addr) |
| 1507 | { |
| 1508 | usbd_xfer_handle xfer = addr; |
| 1509 | |
| 1510 | DPRINTF(("uhci_timeout_task: xfer=%p\n", xfer)); |
| 1511 | |
| 1512 | crit_enter(); |
| 1513 | uhci_abort_xfer(xfer, USBD_TIMEOUT); |
| 1514 | crit_exit(); |
| 1515 | } |
| 1516 | |
| 1517 | /* |
| 1518 | * Wait here until controller claims to have an interrupt. |
| 1519 | * Then call uhci_intr and return. Use timeout to avoid waiting |
| 1520 | * too long. |
| 1521 | * Only used during boot when interrupts are not enabled yet. |
| 1522 | */ |
| 1523 | void |
| 1524 | uhci_waitintr(uhci_softc_t *sc, usbd_xfer_handle xfer) |
| 1525 | { |
| 1526 | int timo = xfer->timeout; |
| 1527 | uhci_intr_info_t *ii; |
| 1528 | |
| 1529 | DPRINTFN(10,("uhci_waitintr: timeout = %dms\n", timo)); |
| 1530 | |
| 1531 | xfer->status = USBD_IN_PROGRESS; |
| 1532 | for (; timo >= 0; timo--) { |
| 1533 | usb_delay_ms(&sc->sc_bus, 1); |
| 1534 | DPRINTFN(20,("uhci_waitintr: 0x%04x\n", UREAD2(sc, UHCI_STS))); |
| 1535 | if (UREAD2(sc, UHCI_STS) & UHCI_STS_ALLINTRS) |
| 1536 | uhci_intr1(sc); |
| 1537 | if (xfer->status != USBD_IN_PROGRESS) |
| 1538 | return; |
| 1539 | } |
| 1540 | |
| 1541 | /* Timeout */ |
| 1542 | DPRINTF(("uhci_waitintr: timeout\n")); |
| 1543 | for (ii = LIST_FIRST(&sc->sc_intrhead); |
| 1544 | ii != NULL && ii->xfer != xfer; |
| 1545 | ii = LIST_NEXT(ii, list)) |
| 1546 | ; |
| 1547 | #ifdef DIAGNOSTIC |
| 1548 | if (ii == NULL) |
| 1549 | panic("uhci_waitintr: lost intr_info"); |
| 1550 | #endif |
| 1551 | uhci_idone(ii); |
| 1552 | } |
| 1553 | |
| 1554 | void |
| 1555 | uhci_poll(struct usbd_bus *bus) |
| 1556 | { |
| 1557 | uhci_softc_t *sc = (uhci_softc_t *)bus; |
| 1558 | |
| 1559 | if (UREAD2(sc, UHCI_STS) & UHCI_STS_ALLINTRS) |
| 1560 | uhci_intr1(sc); |
| 1561 | } |
| 1562 | |
| 1563 | void |
| 1564 | uhci_reset(uhci_softc_t *sc) |
| 1565 | { |
| 1566 | int n; |
| 1567 | |
| 1568 | UHCICMD(sc, UHCI_CMD_HCRESET); |
| 1569 | /* The reset bit goes low when the controller is done. */ |
| 1570 | for (n = 0; n < UHCI_RESET_TIMEOUT && |
| 1571 | (UREAD2(sc, UHCI_CMD) & UHCI_CMD_HCRESET); n++) |
| 1572 | usb_delay_ms(&sc->sc_bus, 1); |
| 1573 | if (n >= UHCI_RESET_TIMEOUT) |
| 1574 | printf("%s: controller did not reset\n", |
| 1575 | USBDEVNAME(sc->sc_bus.bdev)); |
| 1576 | } |
| 1577 | |
| 1578 | usbd_status |
| 1579 | uhci_run(uhci_softc_t *sc, int run) |
| 1580 | { |
| 1581 | int n, running; |
| 1582 | u_int16_t cmd; |
| 1583 | |
| 1584 | run = run != 0; |
| 1585 | crit_enter(); |
| 1586 | DPRINTF(("uhci_run: setting run=%d\n", run)); |
| 1587 | cmd = UREAD2(sc, UHCI_CMD); |
| 1588 | if (run) |
| 1589 | cmd |= UHCI_CMD_RS; |
| 1590 | else |
| 1591 | cmd &= ~UHCI_CMD_RS; |
| 1592 | UHCICMD(sc, cmd); |
| 1593 | for(n = 0; n < 10; n++) { |
| 1594 | running = !(UREAD2(sc, UHCI_STS) & UHCI_STS_HCH); |
| 1595 | /* return when we've entered the state we want */ |
| 1596 | if (run == running) { |
| 1597 | crit_exit(); |
| 1598 | DPRINTF(("uhci_run: done cmd=0x%x sts=0x%x\n", |
| 1599 | UREAD2(sc, UHCI_CMD), UREAD2(sc, UHCI_STS))); |
| 1600 | return (USBD_NORMAL_COMPLETION); |
| 1601 | } |
| 1602 | usb_delay_ms(&sc->sc_bus, 1); |
| 1603 | } |
| 1604 | crit_exit(); |
| 1605 | printf("%s: cannot %s\n", USBDEVNAME(sc->sc_bus.bdev), |
| 1606 | run ? "start" : "stop"); |
| 1607 | return (USBD_IOERROR); |
| 1608 | } |
| 1609 | |
| 1610 | /* |
| 1611 | * Memory management routines. |
| 1612 | * uhci_alloc_std allocates TDs |
| 1613 | * uhci_alloc_sqh allocates QHs |
| 1614 | * These two routines do their own free list management, |
| 1615 | * partly for speed, partly because allocating DMAable memory |
| 1616 | * has page size granularaity so much memory would be wasted if |
| 1617 | * only one TD/QH (32 bytes) was placed in each allocated chunk. |
| 1618 | */ |
| 1619 | |
| 1620 | uhci_soft_td_t * |
| 1621 | uhci_alloc_std(uhci_softc_t *sc) |
| 1622 | { |
| 1623 | uhci_soft_td_t *std; |
| 1624 | usbd_status err; |
| 1625 | int i, offs; |
| 1626 | usb_dma_t dma; |
| 1627 | |
| 1628 | if (sc->sc_freetds == NULL) { |
| 1629 | DPRINTFN(2,("uhci_alloc_std: allocating chunk\n")); |
| 1630 | err = usb_allocmem(&sc->sc_bus, UHCI_STD_SIZE * UHCI_STD_CHUNK, |
| 1631 | UHCI_TD_ALIGN, &dma); |
| 1632 | if (err) |
| 1633 | return (0); |
| 1634 | for(i = 0; i < UHCI_STD_CHUNK; i++) { |
| 1635 | offs = i * UHCI_STD_SIZE; |
| 1636 | std = KERNADDR(&dma, offs); |
| 1637 | std->physaddr = DMAADDR(&dma, offs); |
| 1638 | std->link.std = sc->sc_freetds; |
| 1639 | sc->sc_freetds = std; |
| 1640 | } |
| 1641 | } |
| 1642 | std = sc->sc_freetds; |
| 1643 | sc->sc_freetds = std->link.std; |
| 1644 | memset(&std->td, 0, sizeof(uhci_td_t)); |
| 1645 | return std; |
| 1646 | } |
| 1647 | |
| 1648 | void |
| 1649 | uhci_free_std(uhci_softc_t *sc, uhci_soft_td_t *std) |
| 1650 | { |
| 1651 | #ifdef DIAGNOSTIC |
| 1652 | #define TD_IS_FREE 0x12345678 |
| 1653 | if (le32toh(std->td.td_token) == TD_IS_FREE) { |
| 1654 | printf("uhci_free_std: freeing free TD %p\n", std); |
| 1655 | return; |
| 1656 | } |
| 1657 | std->td.td_token = htole32(TD_IS_FREE); |
| 1658 | #endif |
| 1659 | std->link.std = sc->sc_freetds; |
| 1660 | sc->sc_freetds = std; |
| 1661 | } |
| 1662 | |
| 1663 | uhci_soft_qh_t * |
| 1664 | uhci_alloc_sqh(uhci_softc_t *sc) |
| 1665 | { |
| 1666 | uhci_soft_qh_t *sqh; |
| 1667 | usbd_status err; |
| 1668 | int i, offs; |
| 1669 | usb_dma_t dma; |
| 1670 | |
| 1671 | if (sc->sc_freeqhs == NULL) { |
| 1672 | DPRINTFN(2, ("uhci_alloc_sqh: allocating chunk\n")); |
| 1673 | err = usb_allocmem(&sc->sc_bus, UHCI_SQH_SIZE * UHCI_SQH_CHUNK, |
| 1674 | UHCI_QH_ALIGN, &dma); |
| 1675 | if (err) |
| 1676 | return (0); |
| 1677 | for(i = 0; i < UHCI_SQH_CHUNK; i++) { |
| 1678 | offs = i * UHCI_SQH_SIZE; |
| 1679 | sqh = KERNADDR(&dma, offs); |
| 1680 | sqh->physaddr = DMAADDR(&dma, offs); |
| 1681 | sqh->hlink = sc->sc_freeqhs; |
| 1682 | sc->sc_freeqhs = sqh; |
| 1683 | } |
| 1684 | } |
| 1685 | sqh = sc->sc_freeqhs; |
| 1686 | sc->sc_freeqhs = sqh->hlink; |
| 1687 | memset(&sqh->qh, 0, sizeof(uhci_qh_t)); |
| 1688 | return (sqh); |
| 1689 | } |
| 1690 | |
| 1691 | void |
| 1692 | uhci_free_sqh(uhci_softc_t *sc, uhci_soft_qh_t *sqh) |
| 1693 | { |
| 1694 | sqh->hlink = sc->sc_freeqhs; |
| 1695 | sc->sc_freeqhs = sqh; |
| 1696 | } |
| 1697 | |
| 1698 | void |
| 1699 | uhci_free_std_chain(uhci_softc_t *sc, uhci_soft_td_t *std, |
| 1700 | uhci_soft_td_t *stdend) |
| 1701 | { |
| 1702 | uhci_soft_td_t *p; |
| 1703 | |
| 1704 | for (; std != stdend; std = p) { |
| 1705 | p = std->link.std; |
| 1706 | uhci_free_std(sc, std); |
| 1707 | } |
| 1708 | } |
| 1709 | |
| 1710 | usbd_status |
| 1711 | uhci_alloc_std_chain(struct uhci_pipe *upipe, uhci_softc_t *sc, int len, |
| 1712 | int rd, u_int16_t flags, usb_dma_t *dma, |
| 1713 | uhci_soft_td_t **sp, uhci_soft_td_t **ep) |
| 1714 | { |
| 1715 | uhci_soft_td_t *p, *lastp; |
| 1716 | uhci_physaddr_t lastlink; |
| 1717 | int i, ntd, l, tog, maxp; |
| 1718 | u_int32_t status; |
| 1719 | int addr = upipe->pipe.device->address; |
| 1720 | int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; |
| 1721 | |
| 1722 | DPRINTFN(8, ("uhci_alloc_std_chain: addr=%d endpt=%d len=%d speed=%d " |
| 1723 | "flags=0x%x\n", addr, UE_GET_ADDR(endpt), len, |
| 1724 | upipe->pipe.device->speed, flags)); |
| 1725 | maxp = UGETW(upipe->pipe.endpoint->edesc->wMaxPacketSize); |
| 1726 | if (maxp == 0) { |
| 1727 | printf("uhci_alloc_std_chain: maxp=0\n"); |
| 1728 | return (USBD_INVAL); |
| 1729 | } |
| 1730 | ntd = (len + maxp - 1) / maxp; |
| 1731 | if ((flags & USBD_FORCE_SHORT_XFER) && len % maxp == 0) |
| 1732 | ntd++; |
| 1733 | DPRINTFN(10, ("uhci_alloc_std_chain: maxp=%d ntd=%d\n", maxp, ntd)); |
| 1734 | if (ntd == 0) { |
| 1735 | *sp = *ep = 0; |
| 1736 | DPRINTFN(-1,("uhci_alloc_std_chain: ntd=0\n")); |
| 1737 | return (USBD_NORMAL_COMPLETION); |
| 1738 | } |
| 1739 | tog = upipe->nexttoggle; |
| 1740 | if (ntd % 2 == 0) |
| 1741 | tog ^= 1; |
| 1742 | upipe->nexttoggle = tog ^ 1; |
| 1743 | lastp = NULL; |
| 1744 | lastlink = UHCI_PTR_T; |
| 1745 | ntd--; |
| 1746 | status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(3) | UHCI_TD_ACTIVE); |
| 1747 | if (upipe->pipe.device->speed == USB_SPEED_LOW) |
| 1748 | status |= UHCI_TD_LS; |
| 1749 | if (flags & USBD_SHORT_XFER_OK) |
| 1750 | status |= UHCI_TD_SPD; |
| 1751 | for (i = ntd; i >= 0; i--) { |
| 1752 | p = uhci_alloc_std(sc); |
| 1753 | if (p == NULL) { |
| 1754 | uhci_free_std_chain(sc, lastp, NULL); |
| 1755 | return (USBD_NOMEM); |
| 1756 | } |
| 1757 | p->link.std = lastp; |
| 1758 | p->td.td_link = htole32(lastlink | UHCI_PTR_VF | UHCI_PTR_TD); |
| 1759 | lastp = p; |
| 1760 | lastlink = p->physaddr; |
| 1761 | p->td.td_status = htole32(status); |
| 1762 | if (i == ntd) { |
| 1763 | /* last TD */ |
| 1764 | l = len % maxp; |
| 1765 | if (l == 0 && !(flags & USBD_FORCE_SHORT_XFER)) |
| 1766 | l = maxp; |
| 1767 | *ep = p; |
| 1768 | } else |
| 1769 | l = maxp; |
| 1770 | p->td.td_token = |
| 1771 | htole32(rd ? UHCI_TD_IN (l, endpt, addr, tog) : |
| 1772 | UHCI_TD_OUT(l, endpt, addr, tog)); |
| 1773 | p->td.td_buffer = htole32(DMAADDR(dma, i * maxp)); |
| 1774 | tog ^= 1; |
| 1775 | } |
| 1776 | *sp = lastp; |
| 1777 | DPRINTFN(10, ("uhci_alloc_std_chain: nexttog=%d\n", |
| 1778 | upipe->nexttoggle)); |
| 1779 | return (USBD_NORMAL_COMPLETION); |
| 1780 | } |
| 1781 | |
| 1782 | void |
| 1783 | uhci_device_clear_toggle(usbd_pipe_handle pipe) |
| 1784 | { |
| 1785 | struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; |
| 1786 | upipe->nexttoggle = 0; |
| 1787 | } |
| 1788 | |
| 1789 | void |
| 1790 | uhci_noop(usbd_pipe_handle pipe) |
| 1791 | { |
| 1792 | } |
| 1793 | |
| 1794 | usbd_status |
| 1795 | uhci_device_bulk_transfer(usbd_xfer_handle xfer) |
| 1796 | { |
| 1797 | usbd_status err; |
| 1798 | |
| 1799 | /* Insert last in queue. */ |
| 1800 | err = usb_insert_transfer(xfer); |
| 1801 | if (err) |
| 1802 | return (err); |
| 1803 | |
| 1804 | /* |
| 1805 | * Pipe isn't running (otherwise err would be USBD_INPROG), |
| 1806 | * so start it first. |
| 1807 | */ |
| 1808 | return (uhci_device_bulk_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); |
| 1809 | } |
| 1810 | |
| 1811 | usbd_status |
| 1812 | uhci_device_bulk_start(usbd_xfer_handle xfer) |
| 1813 | { |
| 1814 | struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; |
| 1815 | usbd_device_handle dev = upipe->pipe.device; |
| 1816 | uhci_softc_t *sc = (uhci_softc_t *)dev->bus; |
| 1817 | uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; |
| 1818 | uhci_soft_td_t *data, *dataend; |
| 1819 | uhci_soft_qh_t *sqh; |
| 1820 | usbd_status err; |
| 1821 | int len, isread, endpt; |
| 1822 | |
| 1823 | DPRINTFN(3, ("uhci_device_bulk_start: xfer=%p len=%d flags=%d ii=%p\n", |
| 1824 | xfer, xfer->length, xfer->flags, ii)); |
| 1825 | |
| 1826 | if (sc->sc_dying) |
| 1827 | return (USBD_IOERROR); |
| 1828 | |
| 1829 | #ifdef DIAGNOSTIC |
| 1830 | if (xfer->rqflags & URQ_REQUEST) |
| 1831 | panic("uhci_device_bulk_transfer: a request"); |
| 1832 | #endif |
| 1833 | |
| 1834 | len = xfer->length; |
| 1835 | endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; |
| 1836 | isread = UE_GET_DIR(endpt) == UE_DIR_IN; |
| 1837 | sqh = upipe->u.bulk.sqh; |
| 1838 | |
| 1839 | upipe->u.bulk.isread = isread; |
| 1840 | upipe->u.bulk.length = len; |
| 1841 | |
| 1842 | err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, |
| 1843 | &xfer->dmabuf, &data, &dataend); |
| 1844 | if (err) |
| 1845 | return (err); |
| 1846 | dataend->td.td_status |= htole32(UHCI_TD_IOC); |
| 1847 | |
| 1848 | #ifdef USB_DEBUG |
| 1849 | if (uhcidebug > 8) { |
| 1850 | DPRINTF(("uhci_device_bulk_transfer: data(1)\n")); |
| 1851 | uhci_dump_tds(data); |
| 1852 | } |
| 1853 | #endif |
| 1854 | |
| 1855 | /* Set up interrupt info. */ |
| 1856 | ii->xfer = xfer; |
| 1857 | ii->stdstart = data; |
| 1858 | ii->stdend = dataend; |
| 1859 | #ifdef DIAGNOSTIC |
| 1860 | if (!ii->isdone) { |
| 1861 | printf("uhci_device_bulk_transfer: not done, ii=%p\n", ii); |
| 1862 | } |
| 1863 | ii->isdone = 0; |
| 1864 | #endif |
| 1865 | |
| 1866 | sqh->elink = data; |
| 1867 | sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD); |
| 1868 | |
| 1869 | crit_enter(); |
| 1870 | uhci_add_bulk(sc, sqh); |
| 1871 | uhci_add_intr_info(sc, ii); |
| 1872 | |
| 1873 | if (xfer->timeout && !sc->sc_bus.use_polling) { |
| 1874 | usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout), |
| 1875 | uhci_timeout, ii); |
| 1876 | } |
| 1877 | xfer->status = USBD_IN_PROGRESS; |
| 1878 | crit_exit(); |
| 1879 | |
| 1880 | #ifdef USB_DEBUG |
| 1881 | if (uhcidebug > 10) { |
| 1882 | DPRINTF(("uhci_device_bulk_transfer: data(2)\n")); |
| 1883 | uhci_dump_tds(data); |
| 1884 | } |
| 1885 | #endif |
| 1886 | |
| 1887 | if (sc->sc_bus.use_polling) |
| 1888 | uhci_waitintr(sc, xfer); |
| 1889 | |
| 1890 | return (USBD_IN_PROGRESS); |
| 1891 | } |
| 1892 | |
| 1893 | /* Abort a device bulk request. */ |
| 1894 | void |
| 1895 | uhci_device_bulk_abort(usbd_xfer_handle xfer) |
| 1896 | { |
| 1897 | DPRINTF(("uhci_device_bulk_abort:\n")); |
| 1898 | uhci_abort_xfer(xfer, USBD_CANCELLED); |
| 1899 | } |
| 1900 | |
| 1901 | /* |
| 1902 | * Abort a device request. |
| 1903 | * If this routine is called from a critical section. It guarentees that |
| 1904 | * the request will be removed from the hardware scheduling and that |
| 1905 | * the callback for it will be called with USBD_CANCELLED status. |
| 1906 | * It's impossible to guarantee that the requested transfer will not |
| 1907 | * have happened since the hardware runs concurrently. |
| 1908 | * If the transaction has already happened we rely on the ordinary |
| 1909 | * interrupt processing to process it. |
| 1910 | */ |
| 1911 | void |
| 1912 | uhci_abort_xfer(usbd_xfer_handle xfer, usbd_status status) |
| 1913 | { |
| 1914 | uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; |
| 1915 | struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; |
| 1916 | uhci_softc_t *sc = (uhci_softc_t *)upipe->pipe.device->bus; |
| 1917 | uhci_soft_td_t *std; |
| 1918 | |
| 1919 | DPRINTFN(1,("uhci_abort_xfer: xfer=%p, status=%d\n", xfer, status)); |
| 1920 | |
| 1921 | if (sc->sc_dying) { |
| 1922 | /* If we're dying, just do the software part. */ |
| 1923 | crit_enter(); |
| 1924 | xfer->status = status; /* make software ignore it */ |
| 1925 | usb_uncallout(xfer->timeout_handle, uhci_timeout, xfer); |
| 1926 | usb_transfer_complete(xfer); |
| 1927 | crit_exit(); |
| 1928 | return; |
| 1929 | } |
| 1930 | |
| 1931 | if (xfer->device->bus->intr_context /* || !curproc REMOVED DFly */) |
| 1932 | panic("uhci_abort_xfer: not in process context"); |
| 1933 | |
| 1934 | /* |
| 1935 | * Step 1: Make interrupt routine and hardware ignore xfer. |
| 1936 | */ |
| 1937 | crit_enter(); |
| 1938 | xfer->status = status; /* make software ignore it */ |
| 1939 | usb_uncallout(xfer->timeout_handle, uhci_timeout, ii); |
| 1940 | DPRINTFN(1,("uhci_abort_xfer: stop ii=%p\n", ii)); |
| 1941 | for (std = ii->stdstart; std != NULL; std = std->link.std) |
| 1942 | std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC)); |
| 1943 | crit_exit(); |
| 1944 | |
| 1945 | /* |
| 1946 | * Step 2: Wait until we know hardware has finished any possible |
| 1947 | * use of the xfer. Also make sure the soft interrupt routine |
| 1948 | * has run. |
| 1949 | */ |
| 1950 | usb_delay_ms(upipe->pipe.device->bus, 2); /* Hardware finishes in 1ms */ |
| 1951 | crit_enter(); |
| 1952 | #ifdef USB_USE_SOFTINTR |
| 1953 | sc->sc_softwake = 1; |
| 1954 | #endif /* USB_USE_SOFTINTR */ |
| 1955 | usb_schedsoftintr(&sc->sc_bus); |
| 1956 | #ifdef USB_USE_SOFTINTR |
| 1957 | DPRINTFN(1,("uhci_abort_xfer: tsleep\n")); |
| 1958 | tsleep(&sc->sc_softwake, 0, "uhciab", 0); |
| 1959 | #endif /* USB_USE_SOFTINTR */ |
| 1960 | crit_exit(); |
| 1961 | |
| 1962 | /* |
| 1963 | * Step 3: Execute callback. |
| 1964 | */ |
| 1965 | xfer->hcpriv = ii; |
| 1966 | |
| 1967 | DPRINTFN(1,("uhci_abort_xfer: callback\n")); |
| 1968 | |
| 1969 | crit_enter(); |
| 1970 | #ifdef DIAGNOSTIC |
| 1971 | ii->isdone = 1; |
| 1972 | #endif |
| 1973 | usb_transfer_complete(xfer); |
| 1974 | crit_exit(); |
| 1975 | return; |
| 1976 | } |
| 1977 | |
| 1978 | /* Close a device bulk pipe. */ |
| 1979 | void |
| 1980 | uhci_device_bulk_close(usbd_pipe_handle pipe) |
| 1981 | { |
| 1982 | struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; |
| 1983 | usbd_device_handle dev = upipe->pipe.device; |
| 1984 | uhci_softc_t *sc = (uhci_softc_t *)dev->bus; |
| 1985 | |
| 1986 | uhci_free_sqh(sc, upipe->u.bulk.sqh); |
| 1987 | } |
| 1988 | |
| 1989 | usbd_status |
| 1990 | uhci_device_ctrl_transfer(usbd_xfer_handle xfer) |
| 1991 | { |
| 1992 | usbd_status err; |
| 1993 | |
| 1994 | /* Insert last in queue. */ |
| 1995 | err = usb_insert_transfer(xfer); |
| 1996 | if (err) |
| 1997 | return (err); |
| 1998 | |
| 1999 | /* |
| 2000 | * Pipe isn't running (otherwise err would be USBD_INPROG), |
| 2001 | * so start it first. |
| 2002 | */ |
| 2003 | return (uhci_device_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); |
| 2004 | } |
| 2005 | |
| 2006 | usbd_status |
| 2007 | uhci_device_ctrl_start(usbd_xfer_handle xfer) |
| 2008 | { |
| 2009 | uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; |
| 2010 | usbd_status err; |
| 2011 | |
| 2012 | if (sc->sc_dying) |
| 2013 | return (USBD_IOERROR); |
| 2014 | |
| 2015 | #ifdef DIAGNOSTIC |
| 2016 | if (!(xfer->rqflags & URQ_REQUEST)) |
| 2017 | panic("uhci_device_ctrl_transfer: not a request"); |
| 2018 | #endif |
| 2019 | |
| 2020 | err = uhci_device_request(xfer); |
| 2021 | if (err) |
| 2022 | return (err); |
| 2023 | |
| 2024 | if (sc->sc_bus.use_polling) |
| 2025 | uhci_waitintr(sc, xfer); |
| 2026 | return (USBD_IN_PROGRESS); |
| 2027 | } |
| 2028 | |
| 2029 | usbd_status |
| 2030 | uhci_device_intr_transfer(usbd_xfer_handle xfer) |
| 2031 | { |
| 2032 | usbd_status err; |
| 2033 | |
| 2034 | /* Insert last in queue. */ |
| 2035 | err = usb_insert_transfer(xfer); |
| 2036 | if (err) |
| 2037 | return (err); |
| 2038 | |
| 2039 | /* |
| 2040 | * Pipe isn't running (otherwise err would be USBD_INPROG), |
| 2041 | * so start it first. |
| 2042 | */ |
| 2043 | return (uhci_device_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); |
| 2044 | } |
| 2045 | |
| 2046 | usbd_status |
| 2047 | uhci_device_intr_start(usbd_xfer_handle xfer) |
| 2048 | { |
| 2049 | struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; |
| 2050 | usbd_device_handle dev = upipe->pipe.device; |
| 2051 | uhci_softc_t *sc = (uhci_softc_t *)dev->bus; |
| 2052 | uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; |
| 2053 | uhci_soft_td_t *data, *dataend; |
| 2054 | uhci_soft_qh_t *sqh; |
| 2055 | usbd_status err; |
| 2056 | int isread, endpt; |
| 2057 | int i; |
| 2058 | |
| 2059 | if (sc->sc_dying) |
| 2060 | return (USBD_IOERROR); |
| 2061 | |
| 2062 | DPRINTFN(3,("uhci_device_intr_transfer: xfer=%p len=%d flags=%d\n", |
| 2063 | xfer, xfer->length, xfer->flags)); |
| 2064 | |
| 2065 | #ifdef DIAGNOSTIC |
| 2066 | if (xfer->rqflags & URQ_REQUEST) |
| 2067 | panic("uhci_device_intr_transfer: a request"); |
| 2068 | #endif |
| 2069 | |
| 2070 | endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; |
| 2071 | isread = UE_GET_DIR(endpt) == UE_DIR_IN; |
| 2072 | sqh = upipe->u.bulk.sqh; |
| 2073 | |
| 2074 | upipe->u.intr.isread = isread; |
| 2075 | |
| 2076 | err = uhci_alloc_std_chain(upipe, sc, xfer->length, isread, |
| 2077 | xfer->flags, &xfer->dmabuf, &data, |
| 2078 | &dataend); |
| 2079 | if (err) |
| 2080 | return (err); |
| 2081 | dataend->td.td_status |= htole32(UHCI_TD_IOC); |
| 2082 | |
| 2083 | #ifdef USB_DEBUG |
| 2084 | if (uhcidebug > 10) { |
| 2085 | DPRINTF(("uhci_device_intr_transfer: data(1)\n")); |
| 2086 | uhci_dump_tds(data); |
| 2087 | uhci_dump_qh(upipe->u.intr.qhs[0]); |
| 2088 | } |
| 2089 | #endif |
| 2090 | |
| 2091 | crit_enter(); |
| 2092 | /* Set up interrupt info. */ |
| 2093 | ii->xfer = xfer; |
| 2094 | ii->stdstart = data; |
| 2095 | ii->stdend = dataend; |
| 2096 | #ifdef DIAGNOSTIC |
| 2097 | if (!ii->isdone) { |
| 2098 | printf("uhci_device_intr_transfer: not done, ii=%p\n", ii); |
| 2099 | } |
| 2100 | ii->isdone = 0; |
| 2101 | #endif |
| 2102 | |
| 2103 | DPRINTFN(10,("uhci_device_intr_transfer: qhs[0]=%p\n", |
| 2104 | upipe->u.intr.qhs[0])); |
| 2105 | for (i = 0; i < upipe->u.intr.npoll; i++) { |
| 2106 | sqh = upipe->u.intr.qhs[i]; |
| 2107 | sqh->elink = data; |
| 2108 | sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD); |
| 2109 | } |
| 2110 | uhci_add_intr_info(sc, ii); |
| 2111 | xfer->status = USBD_IN_PROGRESS; |
| 2112 | crit_exit(); |
| 2113 | |
| 2114 | #ifdef USB_DEBUG |
| 2115 | if (uhcidebug > 10) { |
| 2116 | DPRINTF(("uhci_device_intr_transfer: data(2)\n")); |
| 2117 | uhci_dump_tds(data); |
| 2118 | uhci_dump_qh(upipe->u.intr.qhs[0]); |
| 2119 | } |
| 2120 | #endif |
| 2121 | |
| 2122 | return (USBD_IN_PROGRESS); |
| 2123 | } |
| 2124 | |
| 2125 | /* Abort a device control request. */ |
| 2126 | void |
| 2127 | uhci_device_ctrl_abort(usbd_xfer_handle xfer) |
| 2128 | { |
| 2129 | DPRINTF(("uhci_device_ctrl_abort:\n")); |
| 2130 | uhci_abort_xfer(xfer, USBD_CANCELLED); |
| 2131 | } |
| 2132 | |
| 2133 | /* Close a device control pipe. */ |
| 2134 | void |
| 2135 | uhci_device_ctrl_close(usbd_pipe_handle pipe) |
| 2136 | { |
| 2137 | } |
| 2138 | |
| 2139 | /* Abort a device interrupt request. */ |
| 2140 | void |
| 2141 | uhci_device_intr_abort(usbd_xfer_handle xfer) |
| 2142 | { |
| 2143 | DPRINTFN(1,("uhci_device_intr_abort: xfer=%p\n", xfer)); |
| 2144 | if (xfer->pipe->intrxfer == xfer) { |
| 2145 | DPRINTFN(1,("uhci_device_intr_abort: remove\n")); |
| 2146 | xfer->pipe->intrxfer = NULL; |
| 2147 | } |
| 2148 | uhci_abort_xfer(xfer, USBD_CANCELLED); |
| 2149 | } |
| 2150 | |
| 2151 | /* Close a device interrupt pipe. */ |
| 2152 | void |
| 2153 | uhci_device_intr_close(usbd_pipe_handle pipe) |
| 2154 | { |
| 2155 | struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; |
| 2156 | uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; |
| 2157 | int i, npoll; |
| 2158 | |
| 2159 | /* Unlink descriptors from controller data structures. */ |
| 2160 | npoll = upipe->u.intr.npoll; |
| 2161 | crit_enter(); |
| 2162 | for (i = 0; i < npoll; i++) |
| 2163 | uhci_remove_intr(sc, upipe->u.intr.qhs[i]); |
| 2164 | crit_exit(); |
| 2165 | |
| 2166 | /* |
| 2167 | * We now have to wait for any activity on the physical |
| 2168 | * descriptors to stop. |
| 2169 | */ |
| 2170 | usb_delay_ms(&sc->sc_bus, 2); |
| 2171 | |
| 2172 | for(i = 0; i < npoll; i++) |
| 2173 | uhci_free_sqh(sc, upipe->u.intr.qhs[i]); |
| 2174 | kfree(upipe->u.intr.qhs, M_USBHC); |
| 2175 | |
| 2176 | /* XXX free other resources */ |
| 2177 | } |
| 2178 | |
| 2179 | usbd_status |
| 2180 | uhci_device_request(usbd_xfer_handle xfer) |
| 2181 | { |
| 2182 | struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; |
| 2183 | usb_device_request_t *req = &xfer->request; |
| 2184 | usbd_device_handle dev = upipe->pipe.device; |
| 2185 | uhci_softc_t *sc = (uhci_softc_t *)dev->bus; |
| 2186 | int addr = dev->address; |
| 2187 | int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; |
| 2188 | uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; |
| 2189 | uhci_soft_td_t *setup, *data, *stat, *next, *dataend; |
| 2190 | uhci_soft_qh_t *sqh; |
| 2191 | int len; |
| 2192 | u_int32_t ls; |
| 2193 | usbd_status err; |
| 2194 | int isread; |
| 2195 | |
| 2196 | DPRINTFN(3,("uhci_device_control type=0x%02x, request=0x%02x, " |
| 2197 | "wValue=0x%04x, wIndex=0x%04x len=%d, addr=%d, endpt=%d\n", |
| 2198 | req->bmRequestType, req->bRequest, UGETW(req->wValue), |
| 2199 | UGETW(req->wIndex), UGETW(req->wLength), |
| 2200 | addr, endpt)); |
| 2201 | |
| 2202 | ls = dev->speed == USB_SPEED_LOW ? UHCI_TD_LS : 0; |
| 2203 | isread = req->bmRequestType & UT_READ; |
| 2204 | len = UGETW(req->wLength); |
| 2205 | |
| 2206 | setup = upipe->u.ctl.setup; |
| 2207 | stat = upipe->u.ctl.stat; |
| 2208 | sqh = upipe->u.ctl.sqh; |
| 2209 | |
| 2210 | /* Set up data transaction */ |
| 2211 | if (len != 0) { |
| 2212 | upipe->nexttoggle = 1; |
| 2213 | err = uhci_alloc_std_chain(upipe, sc, len, isread, xfer->flags, |
| 2214 | &xfer->dmabuf, &data, &dataend); |
| 2215 | if (err) |
| 2216 | return (err); |
| 2217 | next = data; |
| 2218 | dataend->link.std = stat; |
| 2219 | dataend->td.td_link = htole32(stat->physaddr | UHCI_PTR_VF | UHCI_PTR_TD); |
| 2220 | } else { |
| 2221 | next = stat; |
| 2222 | } |
| 2223 | upipe->u.ctl.length = len; |
| 2224 | |
| 2225 | memcpy(KERNADDR(&upipe->u.ctl.reqdma, 0), req, sizeof *req); |
| 2226 | |
| 2227 | setup->link.std = next; |
| 2228 | setup->td.td_link = htole32(next->physaddr | UHCI_PTR_VF | UHCI_PTR_TD); |
| 2229 | setup->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls | |
| 2230 | UHCI_TD_ACTIVE); |
| 2231 | setup->td.td_token = htole32(UHCI_TD_SETUP(sizeof *req, endpt, addr)); |
| 2232 | setup->td.td_buffer = htole32(DMAADDR(&upipe->u.ctl.reqdma, 0)); |
| 2233 | stat->link.std = NULL; |
| 2234 | stat->td.td_link = htole32(UHCI_PTR_T); |
| 2235 | stat->td.td_status = htole32(UHCI_TD_SET_ERRCNT(3) | ls | |
| 2236 | UHCI_TD_ACTIVE | UHCI_TD_IOC); |
| 2237 | |
| 2238 | stat->td.td_token = |
| 2239 | htole32(isread ? UHCI_TD_OUT(0, endpt, addr, 1) : |
| 2240 | UHCI_TD_IN (0, endpt, addr, 1)); |
| 2241 | stat->td.td_buffer = htole32(0); |
| 2242 | |
| 2243 | #ifdef USB_DEBUG |
| 2244 | if (uhcidebug > 10) { |
| 2245 | DPRINTF(("uhci_device_request: before transfer\n")); |
| 2246 | uhci_dump_tds(setup); |
| 2247 | } |
| 2248 | #endif |
| 2249 | |
| 2250 | /* Set up interrupt info. */ |
| 2251 | ii->xfer = xfer; |
| 2252 | ii->stdstart = setup; |
| 2253 | ii->stdend = stat; |
| 2254 | #ifdef DIAGNOSTIC |
| 2255 | if (!ii->isdone) { |
| 2256 | printf("uhci_device_request: not done, ii=%p\n", ii); |
| 2257 | } |
| 2258 | ii->isdone = 0; |
| 2259 | #endif |
| 2260 | |
| 2261 | sqh->elink = setup; |
| 2262 | sqh->qh.qh_elink = htole32(setup->physaddr | UHCI_PTR_TD); |
| 2263 | |
| 2264 | crit_enter(); |
| 2265 | if (dev->speed == USB_SPEED_LOW) |
| 2266 | uhci_add_ls_ctrl(sc, sqh); |
| 2267 | else |
| 2268 | uhci_add_hs_ctrl(sc, sqh); |
| 2269 | uhci_add_intr_info(sc, ii); |
| 2270 | #ifdef USB_DEBUG |
| 2271 | if (uhcidebug > 12) { |
| 2272 | uhci_soft_td_t *std; |
| 2273 | uhci_soft_qh_t *xqh; |
| 2274 | uhci_soft_qh_t *sxqh; |
| 2275 | int maxqh = 0; |
| 2276 | uhci_physaddr_t link; |
| 2277 | DPRINTF(("uhci_enter_ctl_q: follow from [0]\n")); |
| 2278 | for (std = sc->sc_vframes[0].htd, link = 0; |
| 2279 | (link & UHCI_PTR_QH) == 0; |
| 2280 | std = std->link.std) { |
| 2281 | link = le32toh(std->td.td_link); |
| 2282 | uhci_dump_td(std); |
| 2283 | } |
| 2284 | sxqh = (uhci_soft_qh_t *)std; |
| 2285 | uhci_dump_qh(sxqh); |
| 2286 | for (xqh = sxqh; |
| 2287 | xqh != NULL; |
| 2288 | xqh = (maxqh++ == 5 || xqh->hlink == sxqh || |
| 2289 | xqh->hlink == xqh ? NULL : xqh->hlink)) { |
| 2290 | uhci_dump_qh(xqh); |
| 2291 | } |
| 2292 | DPRINTF(("Enqueued QH:\n")); |
| 2293 | uhci_dump_qh(sqh); |
| 2294 | uhci_dump_tds(sqh->elink); |
| 2295 | } |
| 2296 | #endif |
| 2297 | if (xfer->timeout && !sc->sc_bus.use_polling) { |
| 2298 | usb_callout(xfer->timeout_handle, MS_TO_TICKS(xfer->timeout), |
| 2299 | uhci_timeout, ii); |
| 2300 | } |
| 2301 | xfer->status = USBD_IN_PROGRESS; |
| 2302 | crit_exit(); |
| 2303 | |
| 2304 | return (USBD_NORMAL_COMPLETION); |
| 2305 | } |
| 2306 | |
| 2307 | usbd_status |
| 2308 | uhci_device_isoc_transfer(usbd_xfer_handle xfer) |
| 2309 | { |
| 2310 | usbd_status err; |
| 2311 | |
| 2312 | DPRINTFN(5,("uhci_device_isoc_transfer: xfer=%p\n", xfer)); |
| 2313 | |
| 2314 | /* Put it on our queue, */ |
| 2315 | err = usb_insert_transfer(xfer); |
| 2316 | |
| 2317 | /* bail out on error, */ |
| 2318 | if (err && err != USBD_IN_PROGRESS) |
| 2319 | return (err); |
| 2320 | |
| 2321 | /* XXX should check inuse here */ |
| 2322 | |
| 2323 | /* insert into schedule, */ |
| 2324 | uhci_device_isoc_enter(xfer); |
| 2325 | |
| 2326 | /* and start if the pipe wasn't running */ |
| 2327 | if (!err) |
| 2328 | uhci_device_isoc_start(SIMPLEQ_FIRST(&xfer->pipe->queue)); |
| 2329 | |
| 2330 | return (err); |
| 2331 | } |
| 2332 | |
| 2333 | void |
| 2334 | uhci_device_isoc_enter(usbd_xfer_handle xfer) |
| 2335 | { |
| 2336 | struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; |
| 2337 | usbd_device_handle dev = upipe->pipe.device; |
| 2338 | uhci_softc_t *sc = (uhci_softc_t *)dev->bus; |
| 2339 | struct iso *iso = &upipe->u.iso; |
| 2340 | uhci_soft_td_t *std; |
| 2341 | u_int32_t buf, len, status; |
| 2342 | int i, next, nframes; |
| 2343 | |
| 2344 | DPRINTFN(5,("uhci_device_isoc_enter: used=%d next=%d xfer=%p " |
| 2345 | "nframes=%d\n", |
| 2346 | iso->inuse, iso->next, xfer, xfer->nframes)); |
| 2347 | |
| 2348 | if (sc->sc_dying) |
| 2349 | return; |
| 2350 | |
| 2351 | if (xfer->status == USBD_IN_PROGRESS) { |
| 2352 | /* This request has already been entered into the frame list */ |
| 2353 | printf("uhci_device_isoc_enter: xfer=%p in frame list\n", xfer); |
| 2354 | /* XXX */ |
| 2355 | } |
| 2356 | |
| 2357 | #ifdef DIAGNOSTIC |
| 2358 | if (iso->inuse >= UHCI_VFRAMELIST_COUNT) |
| 2359 | printf("uhci_device_isoc_enter: overflow!\n"); |
| 2360 | #endif |
| 2361 | |
| 2362 | next = iso->next; |
| 2363 | if (next == -1) { |
| 2364 | /* Not in use yet, schedule it a few frames ahead. */ |
| 2365 | next = (UREAD2(sc, UHCI_FRNUM) + 3) % UHCI_VFRAMELIST_COUNT; |
| 2366 | DPRINTFN(2,("uhci_device_isoc_enter: start next=%d\n", next)); |
| 2367 | } |
| 2368 | |
| 2369 | xfer->status = USBD_IN_PROGRESS; |
| 2370 | UXFER(xfer)->curframe = next; |
| 2371 | |
| 2372 | buf = DMAADDR(&xfer->dmabuf, 0); |
| 2373 | status = UHCI_TD_ZERO_ACTLEN(UHCI_TD_SET_ERRCNT(0) | |
| 2374 | UHCI_TD_ACTIVE | |
| 2375 | UHCI_TD_IOS); |
| 2376 | nframes = xfer->nframes; |
| 2377 | crit_enter(); |
| 2378 | for (i = 0; i < nframes; i++) { |
| 2379 | std = iso->stds[next]; |
| 2380 | if (++next >= UHCI_VFRAMELIST_COUNT) |
| 2381 | next = 0; |
| 2382 | len = xfer->frlengths[i]; |
| 2383 | std->td.td_buffer = htole32(buf); |
| 2384 | if (i == nframes - 1) |
| 2385 | status |= UHCI_TD_IOC; |
| 2386 | std->td.td_status = htole32(status); |
| 2387 | std->td.td_token &= htole32(~UHCI_TD_MAXLEN_MASK); |
| 2388 | std->td.td_token |= htole32(UHCI_TD_SET_MAXLEN(len)); |
| 2389 | #ifdef USB_DEBUG |
| 2390 | if (uhcidebug > 5) { |
| 2391 | DPRINTFN(5,("uhci_device_isoc_enter: TD %d\n", i)); |
| 2392 | uhci_dump_td(std); |
| 2393 | } |
| 2394 | #endif |
| 2395 | buf += len; |
| 2396 | } |
| 2397 | iso->next = next; |
| 2398 | iso->inuse += xfer->nframes; |
| 2399 | |
| 2400 | crit_exit(); |
| 2401 | } |
| 2402 | |
| 2403 | usbd_status |
| 2404 | uhci_device_isoc_start(usbd_xfer_handle xfer) |
| 2405 | { |
| 2406 | struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; |
| 2407 | uhci_softc_t *sc = (uhci_softc_t *)upipe->pipe.device->bus; |
| 2408 | uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; |
| 2409 | uhci_soft_td_t *end; |
| 2410 | int i; |
| 2411 | |
| 2412 | DPRINTFN(5,("uhci_device_isoc_start: xfer=%p\n", xfer)); |
| 2413 | |
| 2414 | if (sc->sc_dying) |
| 2415 | return (USBD_IOERROR); |
| 2416 | |
| 2417 | #ifdef DIAGNOSTIC |
| 2418 | if (xfer->status != USBD_IN_PROGRESS) |
| 2419 | printf("uhci_device_isoc_start: not in progress %p\n", xfer); |
| 2420 | #endif |
| 2421 | |
| 2422 | /* Find the last TD */ |
| 2423 | i = UXFER(xfer)->curframe + xfer->nframes; |
| 2424 | if (i >= UHCI_VFRAMELIST_COUNT) |
| 2425 | i -= UHCI_VFRAMELIST_COUNT; |
| 2426 | end = upipe->u.iso.stds[i]; |
| 2427 | |
| 2428 | #ifdef DIAGNOSTIC |
| 2429 | if (end == NULL) { |
| 2430 | printf("uhci_device_isoc_start: end == NULL\n"); |
| 2431 | return (USBD_INVAL); |
| 2432 | } |
| 2433 | #endif |
| 2434 | |
| 2435 | crit_enter(); |
| 2436 | |
| 2437 | /* Set up interrupt info. */ |
| 2438 | ii->xfer = xfer; |
| 2439 | ii->stdstart = end; |
| 2440 | ii->stdend = end; |
| 2441 | #ifdef DIAGNOSTIC |
| 2442 | if (!ii->isdone) |
| 2443 | printf("uhci_device_isoc_start: not done, ii=%p\n", ii); |
| 2444 | ii->isdone = 0; |
| 2445 | #endif |
| 2446 | uhci_add_intr_info(sc, ii); |
| 2447 | |
| 2448 | crit_exit(); |
| 2449 | |
| 2450 | return (USBD_IN_PROGRESS); |
| 2451 | } |
| 2452 | |
| 2453 | void |
| 2454 | uhci_device_isoc_abort(usbd_xfer_handle xfer) |
| 2455 | { |
| 2456 | struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; |
| 2457 | uhci_soft_td_t **stds = upipe->u.iso.stds; |
| 2458 | uhci_soft_td_t *std; |
| 2459 | int i, n, nframes, maxlen, len; |
| 2460 | |
| 2461 | crit_enter(); |
| 2462 | |
| 2463 | /* Transfer is already done. */ |
| 2464 | if (xfer->status != USBD_NOT_STARTED && |
| 2465 | xfer->status != USBD_IN_PROGRESS) { |
| 2466 | crit_exit(); |
| 2467 | return; |
| 2468 | } |
| 2469 | |
| 2470 | /* Give xfer the requested abort code. */ |
| 2471 | xfer->status = USBD_CANCELLED; |
| 2472 | |
| 2473 | /* make hardware ignore it, */ |
| 2474 | nframes = xfer->nframes; |
| 2475 | n = UXFER(xfer)->curframe; |
| 2476 | maxlen = 0; |
| 2477 | for (i = 0; i < nframes; i++) { |
| 2478 | std = stds[n]; |
| 2479 | std->td.td_status &= htole32(~(UHCI_TD_ACTIVE | UHCI_TD_IOC)); |
| 2480 | len = UHCI_TD_GET_MAXLEN(le32toh(std->td.td_token)); |
| 2481 | if (len > maxlen) |
| 2482 | maxlen = len; |
| 2483 | if (++n >= UHCI_VFRAMELIST_COUNT) |
| 2484 | n = 0; |
| 2485 | } |
| 2486 | |
| 2487 | /* and wait until we are sure the hardware has finished. */ |
| 2488 | delay(maxlen); |
| 2489 | |
| 2490 | #ifdef DIAGNOSTIC |
| 2491 | UXFER(xfer)->iinfo.isdone = 1; |
| 2492 | #endif |
| 2493 | /* Run callback and remove from interrupt list. */ |
| 2494 | usb_transfer_complete(xfer); |
| 2495 | |
| 2496 | crit_exit(); |
| 2497 | } |
| 2498 | |
| 2499 | void |
| 2500 | uhci_device_isoc_close(usbd_pipe_handle pipe) |
| 2501 | { |
| 2502 | struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; |
| 2503 | usbd_device_handle dev = upipe->pipe.device; |
| 2504 | uhci_softc_t *sc = (uhci_softc_t *)dev->bus; |
| 2505 | uhci_soft_td_t *std, *vstd; |
| 2506 | struct iso *iso; |
| 2507 | int i; |
| 2508 | |
| 2509 | /* |
| 2510 | * Make sure all TDs are marked as inactive. |
| 2511 | * Wait for completion. |
| 2512 | * Unschedule. |
| 2513 | * Deallocate. |
| 2514 | */ |
| 2515 | iso = &upipe->u.iso; |
| 2516 | |
| 2517 | for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) |
| 2518 | iso->stds[i]->td.td_status &= htole32(~UHCI_TD_ACTIVE); |
| 2519 | usb_delay_ms(&sc->sc_bus, 2); /* wait for completion */ |
| 2520 | |
| 2521 | crit_enter(); |
| 2522 | for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { |
| 2523 | std = iso->stds[i]; |
| 2524 | for (vstd = sc->sc_vframes[i].htd; |
| 2525 | vstd != NULL && vstd->link.std != std; |
| 2526 | vstd = vstd->link.std) |
| 2527 | ; |
| 2528 | if (vstd == NULL) { |
| 2529 | /*panic*/ |
| 2530 | printf("uhci_device_isoc_close: %p not found\n", std); |
| 2531 | crit_exit(); |
| 2532 | return; |
| 2533 | } |
| 2534 | vstd->link = std->link; |
| 2535 | vstd->td.td_link = std->td.td_link; |
| 2536 | uhci_free_std(sc, std); |
| 2537 | } |
| 2538 | crit_exit(); |
| 2539 | |
| 2540 | kfree(iso->stds, M_USBHC); |
| 2541 | } |
| 2542 | |
| 2543 | usbd_status |
| 2544 | uhci_setup_isoc(usbd_pipe_handle pipe) |
| 2545 | { |
| 2546 | struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; |
| 2547 | usbd_device_handle dev = upipe->pipe.device; |
| 2548 | uhci_softc_t *sc = (uhci_softc_t *)dev->bus; |
| 2549 | int addr = upipe->pipe.device->address; |
| 2550 | int endpt = upipe->pipe.endpoint->edesc->bEndpointAddress; |
| 2551 | int rd = UE_GET_DIR(endpt) == UE_DIR_IN; |
| 2552 | uhci_soft_td_t *std, *vstd; |
| 2553 | u_int32_t token; |
| 2554 | struct iso *iso; |
| 2555 | int i; |
| 2556 | |
| 2557 | iso = &upipe->u.iso; |
| 2558 | iso->stds = kmalloc(UHCI_VFRAMELIST_COUNT * sizeof (uhci_soft_td_t *), |
| 2559 | M_USBHC, M_INTWAIT); |
| 2560 | |
| 2561 | token = rd ? UHCI_TD_IN (0, endpt, addr, 0) : |
| 2562 | UHCI_TD_OUT(0, endpt, addr, 0); |
| 2563 | |
| 2564 | /* Allocate the TDs and mark as inactive; */ |
| 2565 | for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { |
| 2566 | std = uhci_alloc_std(sc); |
| 2567 | if (std == 0) |
| 2568 | goto bad; |
| 2569 | std->td.td_status = htole32(UHCI_TD_IOS); /* iso, inactive */ |
| 2570 | std->td.td_token = htole32(token); |
| 2571 | iso->stds[i] = std; |
| 2572 | } |
| 2573 | |
| 2574 | /* Insert TDs into schedule. */ |
| 2575 | crit_enter(); |
| 2576 | for (i = 0; i < UHCI_VFRAMELIST_COUNT; i++) { |
| 2577 | std = iso->stds[i]; |
| 2578 | vstd = sc->sc_vframes[i].htd; |
| 2579 | std->link = vstd->link; |
| 2580 | std->td.td_link = vstd->td.td_link; |
| 2581 | vstd->link.std = std; |
| 2582 | vstd->td.td_link = htole32(std->physaddr | UHCI_PTR_TD); |
| 2583 | } |
| 2584 | crit_exit(); |
| 2585 | |
| 2586 | iso->next = -1; |
| 2587 | iso->inuse = 0; |
| 2588 | |
| 2589 | return (USBD_NORMAL_COMPLETION); |
| 2590 | |
| 2591 | bad: |
| 2592 | while (--i >= 0) |
| 2593 | uhci_free_std(sc, iso->stds[i]); |
| 2594 | kfree(iso->stds, M_USBHC); |
| 2595 | return (USBD_NOMEM); |
| 2596 | } |
| 2597 | |
| 2598 | void |
| 2599 | uhci_device_isoc_done(usbd_xfer_handle xfer) |
| 2600 | { |
| 2601 | uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; |
| 2602 | |
| 2603 | DPRINTFN(4, ("uhci_isoc_done: length=%d\n", xfer->actlen)); |
| 2604 | |
| 2605 | if (ii->xfer != xfer) |
| 2606 | /* Not on interrupt list, ignore it. */ |
| 2607 | return; |
| 2608 | |
| 2609 | if (!uhci_active_intr_info(ii)) |
| 2610 | return; |
| 2611 | |
| 2612 | #ifdef DIAGNOSTIC |
| 2613 | if (xfer->busy_free != XFER_BUSY) { |
| 2614 | printf("uhci_device_isoc_done: xfer=%p not busy 0x%08x\n", |
| 2615 | xfer, xfer->busy_free); |
| 2616 | return; |
| 2617 | } |
| 2618 | |
| 2619 | if (ii->stdend == NULL) { |
| 2620 | printf("uhci_device_isoc_done: xfer=%p stdend==NULL\n", xfer); |
| 2621 | #ifdef USB_DEBUG |
| 2622 | uhci_dump_ii(ii); |
| 2623 | #endif |
| 2624 | return; |
| 2625 | } |
| 2626 | #endif |
| 2627 | |
| 2628 | /* Turn off the interrupt since it is active even if the TD is not. */ |
| 2629 | ii->stdend->td.td_status &= htole32(~UHCI_TD_IOC); |
| 2630 | |
| 2631 | uhci_del_intr_info(ii); /* remove from active list */ |
| 2632 | |
| 2633 | #ifdef DIAGNOSTIC |
| 2634 | if (ii->stdend == NULL) { |
| 2635 | printf("uhci_device_isoc_done: xfer=%p stdend==NULL\n", xfer); |
| 2636 | #ifdef USB_DEBUG |
| 2637 | uhci_dump_ii(ii); |
| 2638 | #endif |
| 2639 | return; |
| 2640 | } |
| 2641 | #endif |
| 2642 | } |
| 2643 | |
| 2644 | void |
| 2645 | uhci_device_intr_done(usbd_xfer_handle xfer) |
| 2646 | { |
| 2647 | uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; |
| 2648 | uhci_softc_t *sc = ii->sc; |
| 2649 | struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; |
| 2650 | uhci_soft_qh_t *sqh; |
| 2651 | int i, npoll; |
| 2652 | |
| 2653 | DPRINTFN(5, ("uhci_device_intr_done: length=%d\n", xfer->actlen)); |
| 2654 | |
| 2655 | npoll = upipe->u.intr.npoll; |
| 2656 | for(i = 0; i < npoll; i++) { |
| 2657 | sqh = upipe->u.intr.qhs[i]; |
| 2658 | sqh->elink = NULL; |
| 2659 | sqh->qh.qh_elink = htole32(UHCI_PTR_T); |
| 2660 | } |
| 2661 | uhci_free_std_chain(sc, ii->stdstart, NULL); |
| 2662 | |
| 2663 | /* XXX Wasteful. */ |
| 2664 | if (xfer->pipe->repeat) { |
| 2665 | uhci_soft_td_t *data, *dataend; |
| 2666 | |
| 2667 | DPRINTFN(5,("uhci_device_intr_done: requeing\n")); |
| 2668 | |
| 2669 | /* This alloc cannot fail since we freed the chain above. */ |
| 2670 | uhci_alloc_std_chain(upipe, sc, xfer->length, |
| 2671 | upipe->u.intr.isread, xfer->flags, |
| 2672 | &xfer->dmabuf, &data, &dataend); |
| 2673 | dataend->td.td_status |= htole32(UHCI_TD_IOC); |
| 2674 | |
| 2675 | #ifdef USB_DEBUG |
| 2676 | if (uhcidebug > 10) { |
| 2677 | DPRINTF(("uhci_device_intr_done: data(1)\n")); |
| 2678 | uhci_dump_tds(data); |
| 2679 | uhci_dump_qh(upipe->u.intr.qhs[0]); |
| 2680 | } |
| 2681 | #endif |
| 2682 | |
| 2683 | ii->stdstart = data; |
| 2684 | ii->stdend = dataend; |
| 2685 | #ifdef DIAGNOSTIC |
| 2686 | if (!ii->isdone) { |
| 2687 | printf("uhci_device_intr_done: not done, ii=%p\n", ii); |
| 2688 | } |
| 2689 | ii->isdone = 0; |
| 2690 | #endif |
| 2691 | for (i = 0; i < npoll; i++) { |
| 2692 | sqh = upipe->u.intr.qhs[i]; |
| 2693 | sqh->elink = data; |
| 2694 | sqh->qh.qh_elink = htole32(data->physaddr | UHCI_PTR_TD); |
| 2695 | } |
| 2696 | xfer->status = USBD_IN_PROGRESS; |
| 2697 | /* The ii is already on the examined list, just leave it. */ |
| 2698 | } else { |
| 2699 | DPRINTFN(5,("uhci_device_intr_done: removing\n")); |
| 2700 | if (uhci_active_intr_info(ii)) |
| 2701 | uhci_del_intr_info(ii); |
| 2702 | } |
| 2703 | } |
| 2704 | |
| 2705 | /* Deallocate request data structures */ |
| 2706 | void |
| 2707 | uhci_device_ctrl_done(usbd_xfer_handle xfer) |
| 2708 | { |
| 2709 | uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; |
| 2710 | uhci_softc_t *sc = ii->sc; |
| 2711 | struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; |
| 2712 | |
| 2713 | #ifdef DIAGNOSTIC |
| 2714 | if (!(xfer->rqflags & URQ_REQUEST)) |
| 2715 | panic("uhci_device_ctrl_done: not a request"); |
| 2716 | #endif |
| 2717 | |
| 2718 | if (!uhci_active_intr_info(ii)) |
| 2719 | return; |
| 2720 | |
| 2721 | uhci_del_intr_info(ii); /* remove from active list */ |
| 2722 | |
| 2723 | if (upipe->pipe.device->speed == USB_SPEED_LOW) |
| 2724 | uhci_remove_ls_ctrl(sc, upipe->u.ctl.sqh); |
| 2725 | else |
| 2726 | uhci_remove_hs_ctrl(sc, upipe->u.ctl.sqh); |
| 2727 | |
| 2728 | if (upipe->u.ctl.length != 0) |
| 2729 | uhci_free_std_chain(sc, ii->stdstart->link.std, ii->stdend); |
| 2730 | |
| 2731 | DPRINTFN(5, ("uhci_device_ctrl_done: length=%d\n", xfer->actlen)); |
| 2732 | } |
| 2733 | |
| 2734 | /* Deallocate request data structures */ |
| 2735 | void |
| 2736 | uhci_device_bulk_done(usbd_xfer_handle xfer) |
| 2737 | { |
| 2738 | uhci_intr_info_t *ii = &UXFER(xfer)->iinfo; |
| 2739 | uhci_softc_t *sc = ii->sc; |
| 2740 | struct uhci_pipe *upipe = (struct uhci_pipe *)xfer->pipe; |
| 2741 | |
| 2742 | DPRINTFN(5,("uhci_device_bulk_done: xfer=%p ii=%p sc=%p upipe=%p\n", |
| 2743 | xfer, ii, sc, upipe)); |
| 2744 | |
| 2745 | if (!uhci_active_intr_info(ii)) |
| 2746 | return; |
| 2747 | |
| 2748 | uhci_del_intr_info(ii); /* remove from active list */ |
| 2749 | |
| 2750 | uhci_remove_bulk(sc, upipe->u.bulk.sqh); |
| 2751 | |
| 2752 | uhci_free_std_chain(sc, ii->stdstart, NULL); |
| 2753 | |
| 2754 | DPRINTFN(5, ("uhci_device_bulk_done: length=%d\n", xfer->actlen)); |
| 2755 | } |
| 2756 | |
| 2757 | /* Add interrupt QH, called with vflock. */ |
| 2758 | void |
| 2759 | uhci_add_intr(uhci_softc_t *sc, uhci_soft_qh_t *sqh) |
| 2760 | { |
| 2761 | struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos]; |
| 2762 | uhci_soft_qh_t *eqh; |
| 2763 | |
| 2764 | DPRINTFN(4, ("uhci_add_intr: n=%d sqh=%p\n", sqh->pos, sqh)); |
| 2765 | |
| 2766 | eqh = vf->eqh; |
| 2767 | sqh->hlink = eqh->hlink; |
| 2768 | sqh->qh.qh_hlink = eqh->qh.qh_hlink; |
| 2769 | eqh->hlink = sqh; |
| 2770 | eqh->qh.qh_hlink = htole32(sqh->physaddr | UHCI_PTR_QH); |
| 2771 | vf->eqh = sqh; |
| 2772 | vf->bandwidth++; |
| 2773 | } |
| 2774 | |
| 2775 | /* Remove interrupt QH. */ |
| 2776 | void |
| 2777 | uhci_remove_intr(uhci_softc_t *sc, uhci_soft_qh_t *sqh) |
| 2778 | { |
| 2779 | struct uhci_vframe *vf = &sc->sc_vframes[sqh->pos]; |
| 2780 | uhci_soft_qh_t *pqh; |
| 2781 | |
| 2782 | DPRINTFN(4, ("uhci_remove_intr: n=%d sqh=%p\n", sqh->pos, sqh)); |
| 2783 | |
| 2784 | /* See comment in uhci_remove_ctrl() */ |
| 2785 | if (!(sqh->qh.qh_elink & htole32(UHCI_PTR_T))) { |
| 2786 | sqh->qh.qh_elink = htole32(UHCI_PTR_T); |
| 2787 | delay(UHCI_QH_REMOVE_DELAY); |
| 2788 | } |
| 2789 | |
| 2790 | pqh = uhci_find_prev_qh(vf->hqh, sqh); |
| 2791 | pqh->hlink = sqh->hlink; |
| 2792 | pqh->qh.qh_hlink = sqh->qh.qh_hlink; |
| 2793 | delay(UHCI_QH_REMOVE_DELAY); |
| 2794 | if (vf->eqh == sqh) |
| 2795 | vf->eqh = pqh; |
| 2796 | vf->bandwidth--; |
| 2797 | } |
| 2798 | |
| 2799 | usbd_status |
| 2800 | uhci_device_setintr(uhci_softc_t *sc, struct uhci_pipe *upipe, int ival) |
| 2801 | { |
| 2802 | uhci_soft_qh_t *sqh; |
| 2803 | int i, npoll; |
| 2804 | u_int bestbw, bw, bestoffs, offs; |
| 2805 | |
| 2806 | DPRINTFN(2, ("uhci_device_setintr: pipe=%p\n", upipe)); |
| 2807 | if (ival == 0) { |
| 2808 | printf("uhci_setintr: 0 interval\n"); |
| 2809 | return (USBD_INVAL); |
| 2810 | } |
| 2811 | |
| 2812 | if (ival > UHCI_VFRAMELIST_COUNT) |
| 2813 | ival = UHCI_VFRAMELIST_COUNT; |
| 2814 | npoll = (UHCI_VFRAMELIST_COUNT + ival - 1) / ival; |
| 2815 | DPRINTFN(2, ("uhci_device_setintr: ival=%d npoll=%d\n", ival, npoll)); |
| 2816 | |
| 2817 | upipe->u.intr.npoll = npoll; |
| 2818 | upipe->u.intr.qhs = |
| 2819 | kmalloc(npoll * sizeof(uhci_soft_qh_t *), M_USBHC, M_INTWAIT); |
| 2820 | |
| 2821 | /* |
| 2822 | * Figure out which offset in the schedule that has most |
| 2823 | * bandwidth left over. |
| 2824 | */ |
| 2825 | #define MOD(i) ((i) & (UHCI_VFRAMELIST_COUNT-1)) |
| 2826 | for (bestoffs = offs = 0, bestbw = ~0; offs < ival; offs++) { |
| 2827 | for (bw = i = 0; i < npoll; i++) |
| 2828 | bw += sc->sc_vframes[MOD(i * ival + offs)].bandwidth; |
| 2829 | if (bw < bestbw) { |
| 2830 | bestbw = bw; |
| 2831 | bestoffs = offs; |
| 2832 | } |
| 2833 | } |
| 2834 | DPRINTFN(1, ("uhci_device_setintr: bw=%d offs=%d\n", bestbw, bestoffs)); |
| 2835 | |
| 2836 | for(i = 0; i < npoll; i++) { |
| 2837 | upipe->u.intr.qhs[i] = sqh = uhci_alloc_sqh(sc); |
| 2838 | sqh->elink = NULL; |
| 2839 | sqh->qh.qh_elink = htole32(UHCI_PTR_T); |
| 2840 | sqh->pos = MOD(i * ival + bestoffs); |
| 2841 | } |
| 2842 | #undef MOD |
| 2843 | |
| 2844 | crit_enter(); |
| 2845 | /* Enter QHs into the controller data structures. */ |
| 2846 | for(i = 0; i < npoll; i++) |
| 2847 | uhci_add_intr(sc, upipe->u.intr.qhs[i]); |
| 2848 | crit_exit(); |
| 2849 | |
| 2850 | DPRINTFN(5, ("uhci_device_setintr: returns %p\n", upipe)); |
| 2851 | return (USBD_NORMAL_COMPLETION); |
| 2852 | } |
| 2853 | |
| 2854 | /* Open a new pipe. */ |
| 2855 | usbd_status |
| 2856 | uhci_open(usbd_pipe_handle pipe) |
| 2857 | { |
| 2858 | uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; |
| 2859 | struct uhci_pipe *upipe = (struct uhci_pipe *)pipe; |
| 2860 | usb_endpoint_descriptor_t *ed = pipe->endpoint->edesc; |
| 2861 | usbd_status err; |
| 2862 | int ival; |
| 2863 | |
| 2864 | DPRINTFN(1, ("uhci_open: pipe=%p, addr=%d, endpt=%d (%d)\n", |
| 2865 | pipe, pipe->device->address, |
| 2866 | ed->bEndpointAddress, sc->sc_addr)); |
| 2867 | |
| 2868 | upipe->aborting = 0; |
| 2869 | upipe->nexttoggle = 0; |
| 2870 | |
| 2871 | if (pipe->device->address == sc->sc_addr) { |
| 2872 | switch (ed->bEndpointAddress) { |
| 2873 | case USB_CONTROL_ENDPOINT: |
| 2874 | pipe->methods = &uhci_root_ctrl_methods; |
| 2875 | break; |
| 2876 | case UE_DIR_IN | UHCI_INTR_ENDPT: |
| 2877 | pipe->methods = &uhci_root_intr_methods; |
| 2878 | break; |
| 2879 | default: |
| 2880 | return (USBD_INVAL); |
| 2881 | } |
| 2882 | } else { |
| 2883 | switch (ed->bmAttributes & UE_XFERTYPE) { |
| 2884 | case UE_CONTROL: |
| 2885 | pipe->methods = &uhci_device_ctrl_methods; |
| 2886 | upipe->u.ctl.sqh = uhci_alloc_sqh(sc); |
| 2887 | if (upipe->u.ctl.sqh == NULL) |
| 2888 | goto bad; |
| 2889 | upipe->u.ctl.setup = uhci_alloc_std(sc); |
| 2890 | if (upipe->u.ctl.setup == NULL) { |
| 2891 | uhci_free_sqh(sc, upipe->u.ctl.sqh); |
| 2892 | goto bad; |
| 2893 | } |
| 2894 | upipe->u.ctl.stat = uhci_alloc_std(sc); |
| 2895 | if (upipe->u.ctl.stat == NULL) { |
| 2896 | uhci_free_sqh(sc, upipe->u.ctl.sqh); |
| 2897 | uhci_free_std(sc, upipe->u.ctl.setup); |
| 2898 | goto bad; |
| 2899 | } |
| 2900 | err = usb_allocmem(&sc->sc_bus, |
| 2901 | sizeof(usb_device_request_t), |
| 2902 | 0, &upipe->u.ctl.reqdma); |
| 2903 | if (err) { |
| 2904 | uhci_free_sqh(sc, upipe->u.ctl.sqh); |
| 2905 | uhci_free_std(sc, upipe->u.ctl.setup); |
| 2906 | uhci_free_std(sc, upipe->u.ctl.stat); |
| 2907 | goto bad; |
| 2908 | } |
| 2909 | break; |
| 2910 | case UE_INTERRUPT: |
| 2911 | pipe->methods = &uhci_device_intr_methods; |
| 2912 | ival = pipe->interval; |
| 2913 | if (ival == USBD_DEFAULT_INTERVAL) |
| 2914 | ival = ed->bInterval; |
| 2915 | return (uhci_device_setintr(sc, upipe, ival)); |
| 2916 | case UE_ISOCHRONOUS: |
| 2917 | pipe->methods = &uhci_device_isoc_methods; |
| 2918 | return (uhci_setup_isoc(pipe)); |
| 2919 | case UE_BULK: |
| 2920 | pipe->methods = &uhci_device_bulk_methods; |
| 2921 | upipe->u.bulk.sqh = uhci_alloc_sqh(sc); |
| 2922 | if (upipe->u.bulk.sqh == NULL) |
| 2923 | goto bad; |
| 2924 | break; |
| 2925 | } |
| 2926 | } |
| 2927 | return (USBD_NORMAL_COMPLETION); |
| 2928 | |
| 2929 | bad: |
| 2930 | return (USBD_NOMEM); |
| 2931 | } |
| 2932 | |
| 2933 | /* |
| 2934 | * Data structures and routines to emulate the root hub. |
| 2935 | */ |
| 2936 | usb_device_descriptor_t uhci_devd = { |
| 2937 | USB_DEVICE_DESCRIPTOR_SIZE, |
| 2938 | UDESC_DEVICE, /* type */ |
| 2939 | {0x00, 0x01}, /* USB version */ |
| 2940 | UDCLASS_HUB, /* class */ |
| 2941 | UDSUBCLASS_HUB, /* subclass */ |
| 2942 | UDPROTO_FSHUB, /* protocol */ |
| 2943 | 64, /* max packet */ |
| 2944 | {0},{0},{0x00,0x01}, /* device id */ |
| 2945 | 1,2,0, /* string indicies */ |
| 2946 | 1 /* # of configurations */ |
| 2947 | }; |
| 2948 | |
| 2949 | usb_config_descriptor_t uhci_confd = { |
| 2950 | USB_CONFIG_DESCRIPTOR_SIZE, |
| 2951 | UDESC_CONFIG, |
| 2952 | {USB_CONFIG_DESCRIPTOR_SIZE + |
| 2953 | USB_INTERFACE_DESCRIPTOR_SIZE + |
| 2954 | USB_ENDPOINT_DESCRIPTOR_SIZE}, |
| 2955 | 1, |
| 2956 | 1, |
| 2957 | 0, |
| 2958 | UC_SELF_POWERED, |
| 2959 | 0 /* max power */ |
| 2960 | }; |
| 2961 | |
| 2962 | usb_interface_descriptor_t uhci_ifcd = { |
| 2963 | USB_INTERFACE_DESCRIPTOR_SIZE, |
| 2964 | UDESC_INTERFACE, |
| 2965 | 0, |
| 2966 | 0, |
| 2967 | 1, |
| 2968 | UICLASS_HUB, |
| 2969 | UISUBCLASS_HUB, |
| 2970 | UIPROTO_FSHUB, |
| 2971 | 0 |
| 2972 | }; |
| 2973 | |
| 2974 | usb_endpoint_descriptor_t uhci_endpd = { |
| 2975 | USB_ENDPOINT_DESCRIPTOR_SIZE, |
| 2976 | UDESC_ENDPOINT, |
| 2977 | UE_DIR_IN | UHCI_INTR_ENDPT, |
| 2978 | UE_INTERRUPT, |
| 2979 | {8}, |
| 2980 | 255 |
| 2981 | }; |
| 2982 | |
| 2983 | usb_hub_descriptor_t uhci_hubd_piix = { |
| 2984 | USB_HUB_DESCRIPTOR_SIZE, |
| 2985 | UDESC_HUB, |
| 2986 | 2, |
| 2987 | { UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL, 0 }, |
| 2988 | 50, /* power on to power good */ |
| 2989 | 0, |
| 2990 | { 0x00 }, /* both ports are removable */ |
| 2991 | }; |
| 2992 | |
| 2993 | int |
| 2994 | uhci_str(usb_string_descriptor_t *p, int l, char *s) |
| 2995 | { |
| 2996 | int i; |
| 2997 | |
| 2998 | if (l == 0) |
| 2999 | return (0); |
| 3000 | p->bLength = 2 * strlen(s) + 2; |
| 3001 | if (l == 1) |
| 3002 | return (1); |
| 3003 | p->bDescriptorType = UDESC_STRING; |
| 3004 | l -= 2; |
| 3005 | for (i = 0; s[i] && l > 1; i++, l -= 2) |
| 3006 | USETW2(p->bString[i], 0, s[i]); |
| 3007 | return (2*i+2); |
| 3008 | } |
| 3009 | |
| 3010 | /* |
| 3011 | * The USB hub protocol requires that SET_FEATURE(PORT_RESET) also |
| 3012 | * enables the port, and also states that SET_FEATURE(PORT_ENABLE) |
| 3013 | * should not be used by the USB subsystem. As we cannot issue a |
| 3014 | * SET_FEATURE(PORT_ENABLE) externally, we must ensure that the port |
| 3015 | * will be enabled as part of the reset. |
| 3016 | * |
| 3017 | * On the VT83C572, the port cannot be successfully enabled until the |
| 3018 | * outstanding "port enable change" and "connection status change" |
| 3019 | * events have been reset. |
| 3020 | */ |
| 3021 | Static usbd_status |
| 3022 | uhci_portreset(uhci_softc_t *sc, int index) |
| 3023 | { |
| 3024 | int lim, port, x; |
| 3025 | |
| 3026 | if (index == 1) |
| 3027 | port = UHCI_PORTSC1; |
| 3028 | else if (index == 2) |
| 3029 | port = UHCI_PORTSC2; |
| 3030 | else |
| 3031 | return (USBD_IOERROR); |
| 3032 | |
| 3033 | x = URWMASK(UREAD2(sc, port)); |
| 3034 | UWRITE2(sc, port, x | UHCI_PORTSC_PR); |
| 3035 | |
| 3036 | usb_delay_ms(&sc->sc_bus, USB_PORT_ROOT_RESET_DELAY); |
| 3037 | |
| 3038 | DPRINTFN(3,("uhci port %d reset, status0 = 0x%04x\n", |
| 3039 | index, UREAD2(sc, port))); |
| 3040 | |
| 3041 | x = URWMASK(UREAD2(sc, port)); |
| 3042 | UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); |
| 3043 | |
| 3044 | delay(100); |
| 3045 | |
| 3046 | DPRINTFN(3,("uhci port %d reset, status1 = 0x%04x\n", |
| 3047 | index, UREAD2(sc, port))); |
| 3048 | |
| 3049 | x = URWMASK(UREAD2(sc, port)); |
| 3050 | UWRITE2(sc, port, x | UHCI_PORTSC_PE); |
| 3051 | |
| 3052 | for (lim = 10; --lim > 0;) { |
| 3053 | usb_delay_ms(&sc->sc_bus, USB_PORT_RESET_DELAY); |
| 3054 | |
| 3055 | x = UREAD2(sc, port); |
| 3056 | |
| 3057 | DPRINTFN(3,("uhci port %d iteration %u, status = 0x%04x\n", |
| 3058 | index, lim, x)); |
| 3059 | |
| 3060 | if (!(x & UHCI_PORTSC_CCS)) { |
| 3061 | /* |
| 3062 | * No device is connected (or was disconnected |
| 3063 | * during reset). Consider the port reset. |
| 3064 | * The delay must be long enough to ensure on |
| 3065 | * the initial iteration that the device |
| 3066 | * connection will have been registered. 50ms |
| 3067 | * appears to be sufficient, but 20ms is not. |
| 3068 | */ |
| 3069 | DPRINTFN(3,("uhci port %d loop %u, device detached\n", |
| 3070 | index, lim)); |
| 3071 | break; |
| 3072 | } |
| 3073 | |
| 3074 | if (x & (UHCI_PORTSC_POEDC | UHCI_PORTSC_CSC)) { |
| 3075 | /* |
| 3076 | * Port enabled changed and/or connection |
| 3077 | * status changed were set. Reset either or |
| 3078 | * both raised flags (by writing a 1 to that |
| 3079 | * bit), and wait again for state to settle. |
| 3080 | */ |
| 3081 | UWRITE2(sc, port, URWMASK(x) | |
| 3082 | (x & (UHCI_PORTSC_POEDC | UHCI_PORTSC_CSC))); |
| 3083 | continue; |
| 3084 | } |
| 3085 | |
| 3086 | if (x & UHCI_PORTSC_PE) |
| 3087 | /* Port is enabled */ |
| 3088 | break; |
| 3089 | |
| 3090 | UWRITE2(sc, port, URWMASK(x) | UHCI_PORTSC_PE); |
| 3091 | } |
| 3092 | |
| 3093 | DPRINTFN(3,("uhci port %d reset, status2 = 0x%04x\n", |
| 3094 | index, UREAD2(sc, port))); |
| 3095 | |
| 3096 | if (lim <= 0) { |
| 3097 | DPRINTFN(1,("uhci port %d reset timed out\n", index)); |
| 3098 | return (USBD_TIMEOUT); |
| 3099 | } |
| 3100 | |
| 3101 | sc->sc_isreset = 1; |
| 3102 | return (USBD_NORMAL_COMPLETION); |
| 3103 | } |
| 3104 | |
| 3105 | /* |
| 3106 | * Simulate a hardware hub by handling all the necessary requests. |
| 3107 | */ |
| 3108 | usbd_status |
| 3109 | uhci_root_ctrl_transfer(usbd_xfer_handle xfer) |
| 3110 | { |
| 3111 | usbd_status err; |
| 3112 | |
| 3113 | /* Insert last in queue. */ |
| 3114 | err = usb_insert_transfer(xfer); |
| 3115 | if (err) |
| 3116 | return (err); |
| 3117 | |
| 3118 | /* |
| 3119 | * Pipe isn't running (otherwise err would be USBD_INPROG), |
| 3120 | * so start it first. |
| 3121 | */ |
| 3122 | return (uhci_root_ctrl_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); |
| 3123 | } |
| 3124 | |
| 3125 | usbd_status |
| 3126 | uhci_root_ctrl_start(usbd_xfer_handle xfer) |
| 3127 | { |
| 3128 | uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; |
| 3129 | usb_device_request_t *req; |
| 3130 | void *buf = NULL; |
| 3131 | int port, x; |
| 3132 | int len, value, index, status, change, l, totlen = 0; |
| 3133 | usb_port_status_t ps; |
| 3134 | usbd_status err; |
| 3135 | |
| 3136 | if (sc->sc_dying) |
| 3137 | return (USBD_IOERROR); |
| 3138 | |
| 3139 | #ifdef DIAGNOSTIC |
| 3140 | if (!(xfer->rqflags & URQ_REQUEST)) |
| 3141 | panic("uhci_root_ctrl_transfer: not a request"); |
| 3142 | #endif |
| 3143 | req = &xfer->request; |
| 3144 | |
| 3145 | DPRINTFN(2,("uhci_root_ctrl_control type=0x%02x request=%02x\n", |
| 3146 | req->bmRequestType, req->bRequest)); |
| 3147 | |
| 3148 | len = UGETW(req->wLength); |
| 3149 | value = UGETW(req->wValue); |
| 3150 | index = UGETW(req->wIndex); |
| 3151 | |
| 3152 | if (len != 0) |
| 3153 | buf = KERNADDR(&xfer->dmabuf, 0); |
| 3154 | |
| 3155 | #define C(x,y) ((x) | ((y) << 8)) |
| 3156 | switch(C(req->bRequest, req->bmRequestType)) { |
| 3157 | case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE): |
| 3158 | case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE): |
| 3159 | case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT): |
| 3160 | /* |
| 3161 | * DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops |
| 3162 | * for the integrated root hub. |
| 3163 | */ |
| 3164 | break; |
| 3165 | case C(UR_GET_CONFIG, UT_READ_DEVICE): |
| 3166 | if (len > 0) { |
| 3167 | *(u_int8_t *)buf = sc->sc_conf; |
| 3168 | totlen = 1; |
| 3169 | } |
| 3170 | break; |
| 3171 | case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE): |
| 3172 | DPRINTFN(2,("uhci_root_ctrl_control wValue=0x%04x\n", value)); |
| 3173 | if (len == 0) |
| 3174 | break; |
| 3175 | switch(value >> 8) { |
| 3176 | case UDESC_DEVICE: |
| 3177 | if ((value & 0xff) != 0) { |
| 3178 | err = USBD_IOERROR; |
| 3179 | goto ret; |
| 3180 | } |
| 3181 | totlen = l = min(len, USB_DEVICE_DESCRIPTOR_SIZE); |
| 3182 | USETW(uhci_devd.idVendor, sc->sc_id_vendor); |
| 3183 | memcpy(buf, &uhci_devd, l); |
| 3184 | break; |
| 3185 | case UDESC_CONFIG: |
| 3186 | if ((value & 0xff) != 0) { |
| 3187 | err = USBD_IOERROR; |
| 3188 | goto ret; |
| 3189 | } |
| 3190 | totlen = l = min(len, USB_CONFIG_DESCRIPTOR_SIZE); |
| 3191 | memcpy(buf, &uhci_confd, l); |
| 3192 | buf = (char *)buf + l; |
| 3193 | len -= l; |
| 3194 | l = min(len, USB_INTERFACE_DESCRIPTOR_SIZE); |
| 3195 | totlen += l; |
| 3196 | memcpy(buf, &uhci_ifcd, l); |
| 3197 | buf = (char *)buf + l; |
| 3198 | len -= l; |
| 3199 | l = min(len, USB_ENDPOINT_DESCRIPTOR_SIZE); |
| 3200 | totlen += l; |
| 3201 | memcpy(buf, &uhci_endpd, l); |
| 3202 | break; |
| 3203 | case UDESC_STRING: |
| 3204 | *(u_int8_t *)buf = 0; |
| 3205 | totlen = 1; |
| 3206 | switch (value & 0xff) { |
| 3207 | case 1: /* Vendor */ |
| 3208 | totlen = uhci_str(buf, len, sc->sc_vendor); |
| 3209 | break; |
| 3210 | case 2: /* Product */ |
| 3211 | totlen = uhci_str(buf, len, "UHCI root hub"); |
| 3212 | break; |
| 3213 | } |
| 3214 | break; |
| 3215 | default: |
| 3216 | err = USBD_IOERROR; |
| 3217 | goto ret; |
| 3218 | } |
| 3219 | break; |
| 3220 | case C(UR_GET_INTERFACE, UT_READ_INTERFACE): |
| 3221 | if (len > 0) { |
| 3222 | *(u_int8_t *)buf = 0; |
| 3223 | totlen = 1; |
| 3224 | } |
| 3225 | break; |
| 3226 | case C(UR_GET_STATUS, UT_READ_DEVICE): |
| 3227 | if (len > 1) { |
| 3228 | USETW(((usb_status_t *)buf)->wStatus,UDS_SELF_POWERED); |
| 3229 | totlen = 2; |
| 3230 | } |
| 3231 | break; |
| 3232 | case C(UR_GET_STATUS, UT_READ_INTERFACE): |
| 3233 | case C(UR_GET_STATUS, UT_READ_ENDPOINT): |
| 3234 | if (len > 1) { |
| 3235 | USETW(((usb_status_t *)buf)->wStatus, 0); |
| 3236 | totlen = 2; |
| 3237 | } |
| 3238 | break; |
| 3239 | case C(UR_SET_ADDRESS, UT_WRITE_DEVICE): |
| 3240 | if (value >= USB_MAX_DEVICES) { |
| 3241 | err = USBD_IOERROR; |
| 3242 | goto ret; |
| 3243 | } |
| 3244 | sc->sc_addr = value; |
| 3245 | break; |
| 3246 | case C(UR_SET_CONFIG, UT_WRITE_DEVICE): |
| 3247 | if (value != 0 && value != 1) { |
| 3248 | err = USBD_IOERROR; |
| 3249 | goto ret; |
| 3250 | } |
| 3251 | sc->sc_conf = value; |
| 3252 | break; |
| 3253 | case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE): |
| 3254 | break; |
| 3255 | case C(UR_SET_FEATURE, UT_WRITE_DEVICE): |
| 3256 | case C(UR_SET_FEATURE, UT_WRITE_INTERFACE): |
| 3257 | case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT): |
| 3258 | err = USBD_IOERROR; |
| 3259 | goto ret; |
| 3260 | case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE): |
| 3261 | break; |
| 3262 | case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT): |
| 3263 | break; |
| 3264 | /* Hub requests */ |
| 3265 | case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE): |
| 3266 | break; |
| 3267 | case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER): |
| 3268 | DPRINTFN(3, ("uhci_root_ctrl_control: UR_CLEAR_PORT_FEATURE " |
| 3269 | "port=%d feature=%d\n", |
| 3270 | index, value)); |
| 3271 | if (index == 1) |
| 3272 | port = UHCI_PORTSC1; |
| 3273 | else if (index == 2) |
| 3274 | port = UHCI_PORTSC2; |
| 3275 | else { |
| 3276 | err = USBD_IOERROR; |
| 3277 | goto ret; |
| 3278 | } |
| 3279 | switch(value) { |
| 3280 | case UHF_PORT_ENABLE: |
| 3281 | x = URWMASK(UREAD2(sc, port)); |
| 3282 | UWRITE2(sc, port, x & ~UHCI_PORTSC_PE); |
| 3283 | break; |
| 3284 | case UHF_PORT_SUSPEND: |
| 3285 | x = URWMASK(UREAD2(sc, port)); |
| 3286 | UWRITE2(sc, port, x & ~UHCI_PORTSC_SUSP); |
| 3287 | break; |
| 3288 | case UHF_PORT_RESET: |
| 3289 | x = URWMASK(UREAD2(sc, port)); |
| 3290 | UWRITE2(sc, port, x & ~UHCI_PORTSC_PR); |
| 3291 | break; |
| 3292 | case UHF_C_PORT_CONNECTION: |
| 3293 | x = URWMASK(UREAD2(sc, port)); |
| 3294 | UWRITE2(sc, port, x | UHCI_PORTSC_CSC); |
| 3295 | break; |
| 3296 | case UHF_C_PORT_ENABLE: |
| 3297 | x = URWMASK(UREAD2(sc, port)); |
| 3298 | UWRITE2(sc, port, x | UHCI_PORTSC_POEDC); |
| 3299 | break; |
| 3300 | case UHF_C_PORT_OVER_CURRENT: |
| 3301 | x = URWMASK(UREAD2(sc, port)); |
| 3302 | UWRITE2(sc, port, x | UHCI_PORTSC_OCIC); |
| 3303 | break; |
| 3304 | case UHF_C_PORT_RESET: |
| 3305 | sc->sc_isreset = 0; |
| 3306 | err = USBD_NORMAL_COMPLETION; |
| 3307 | goto ret; |
| 3308 | case UHF_PORT_CONNECTION: |
| 3309 | case UHF_PORT_OVER_CURRENT: |
| 3310 | case UHF_PORT_POWER: |
| 3311 | case UHF_PORT_LOW_SPEED: |
| 3312 | case UHF_C_PORT_SUSPEND: |
| 3313 | default: |
| 3314 | err = USBD_IOERROR; |
| 3315 | goto ret; |
| 3316 | } |
| 3317 | break; |
| 3318 | case C(UR_GET_BUS_STATE, UT_READ_CLASS_OTHER): |
| 3319 | if (index == 1) |
| 3320 | port = UHCI_PORTSC1; |
| 3321 | else if (index == 2) |
| 3322 | port = UHCI_PORTSC2; |
| 3323 | else { |
| 3324 | err = USBD_IOERROR; |
| 3325 | goto ret; |
| 3326 | } |
| 3327 | if (len > 0) { |
| 3328 | *(u_int8_t *)buf = |
| 3329 | (UREAD2(sc, port) & UHCI_PORTSC_LS) >> |
| 3330 | UHCI_PORTSC_LS_SHIFT; |
| 3331 | totlen = 1; |
| 3332 | } |
| 3333 | break; |
| 3334 | case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE): |
| 3335 | if (len == 0) |
| 3336 | break; |
| 3337 | if (value != 0) { |
| 3338 | err = USBD_IOERROR; |
| 3339 | goto ret; |
| 3340 | } |
| 3341 | l = min(len, USB_HUB_DESCRIPTOR_SIZE); |
| 3342 | totlen = l; |
| 3343 | memcpy(buf, &uhci_hubd_piix, l); |
| 3344 | break; |
| 3345 | case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE): |
| 3346 | if (len != 4) { |
| 3347 | err = USBD_IOERROR; |
| 3348 | goto ret; |
| 3349 | } |
| 3350 | memset(buf, 0, len); |
| 3351 | totlen = len; |
| 3352 | break; |
| 3353 | case C(UR_GET_STATUS, UT_READ_CLASS_OTHER): |
| 3354 | if (index == 1) |
| 3355 | port = UHCI_PORTSC1; |
| 3356 | else if (index == 2) |
| 3357 | port = UHCI_PORTSC2; |
| 3358 | else { |
| 3359 | err = USBD_IOERROR; |
| 3360 | goto ret; |
| 3361 | } |
| 3362 | if (len != 4) { |
| 3363 | err = USBD_IOERROR; |
| 3364 | goto ret; |
| 3365 | } |
| 3366 | x = UREAD2(sc, port); |
| 3367 | status = change = 0; |
| 3368 | if (x & UHCI_PORTSC_CCS) |
| 3369 | status |= UPS_CURRENT_CONNECT_STATUS; |
| 3370 | if (x & UHCI_PORTSC_CSC) |
| 3371 | change |= UPS_C_CONNECT_STATUS; |
| 3372 | if (x & UHCI_PORTSC_PE) |
| 3373 | status |= UPS_PORT_ENABLED; |
| 3374 | if (x & UHCI_PORTSC_POEDC) |
| 3375 | change |= UPS_C_PORT_ENABLED; |
| 3376 | if (x & UHCI_PORTSC_OCI) |
| 3377 | status |= UPS_OVERCURRENT_INDICATOR; |
| 3378 | if (x & UHCI_PORTSC_OCIC) |
| 3379 | change |= UPS_C_OVERCURRENT_INDICATOR; |
| 3380 | if (x & UHCI_PORTSC_SUSP) |
| 3381 | status |= UPS_SUSPEND; |
| 3382 | if (x & UHCI_PORTSC_LSDA) |
| 3383 | status |= UPS_LOW_SPEED; |
| 3384 | status |= UPS_PORT_POWER; |
| 3385 | if (sc->sc_isreset) |
| 3386 | change |= UPS_C_PORT_RESET; |
| 3387 | USETW(ps.wPortStatus, status); |
| 3388 | USETW(ps.wPortChange, change); |
| 3389 | l = min(len, sizeof ps); |
| 3390 | memcpy(buf, &ps, l); |
| 3391 | totlen = l; |
| 3392 | break; |
| 3393 | case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE): |
| 3394 | err = USBD_IOERROR; |
| 3395 | goto ret; |
| 3396 | case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE): |
| 3397 | break; |
| 3398 | case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER): |
| 3399 | if (index == 1) |
| 3400 | port = UHCI_PORTSC1; |
| 3401 | else if (index == 2) |
| 3402 | port = UHCI_PORTSC2; |
| 3403 | else { |
| 3404 | err = USBD_IOERROR; |
| 3405 | goto ret; |
| 3406 | } |
| 3407 | switch(value) { |
| 3408 | case UHF_PORT_ENABLE: |
| 3409 | x = URWMASK(UREAD2(sc, port)); |
| 3410 | UWRITE2(sc, port, x | UHCI_PORTSC_PE); |
| 3411 | break; |
| 3412 | case UHF_PORT_SUSPEND: |
| 3413 | x = URWMASK(UREAD2(sc, port)); |
| 3414 | UWRITE2(sc, port, x | UHCI_PORTSC_SUSP); |
| 3415 | break; |
| 3416 | case UHF_PORT_RESET: |
| 3417 | err = uhci_portreset(sc, index); |
| 3418 | goto ret; |
| 3419 | case UHF_PORT_POWER: |
| 3420 | /* Pretend we turned on power */ |
| 3421 | err = USBD_NORMAL_COMPLETION; |
| 3422 | goto ret; |
| 3423 | case UHF_C_PORT_CONNECTION: |
| 3424 | case UHF_C_PORT_ENABLE: |
| 3425 | case UHF_C_PORT_OVER_CURRENT: |
| 3426 | case UHF_PORT_CONNECTION: |
| 3427 | case UHF_PORT_OVER_CURRENT: |
| 3428 | case UHF_PORT_LOW_SPEED: |
| 3429 | case UHF_C_PORT_SUSPEND: |
| 3430 | case UHF_C_PORT_RESET: |
| 3431 | default: |
| 3432 | err = USBD_IOERROR; |
| 3433 | goto ret; |
| 3434 | } |
| 3435 | break; |
| 3436 | default: |
| 3437 | err = USBD_IOERROR; |
| 3438 | goto ret; |
| 3439 | } |
| 3440 | xfer->actlen = totlen; |
| 3441 | err = USBD_NORMAL_COMPLETION; |
| 3442 | ret: |
| 3443 | xfer->status = err; |
| 3444 | crit_enter(); |
| 3445 | usb_transfer_complete(xfer); |
| 3446 | crit_exit(); |
| 3447 | return (USBD_IN_PROGRESS); |
| 3448 | } |
| 3449 | |
| 3450 | /* Abort a root control request. */ |
| 3451 | void |
| 3452 | uhci_root_ctrl_abort(usbd_xfer_handle xfer) |
| 3453 | { |
| 3454 | /* Nothing to do, all transfers are synchronous. */ |
| 3455 | } |
| 3456 | |
| 3457 | /* Close the root pipe. */ |
| 3458 | void |
| 3459 | uhci_root_ctrl_close(usbd_pipe_handle pipe) |
| 3460 | { |
| 3461 | DPRINTF(("uhci_root_ctrl_close\n")); |
| 3462 | } |
| 3463 | |
| 3464 | /* Abort a root interrupt request. */ |
| 3465 | void |
| 3466 | uhci_root_intr_abort(usbd_xfer_handle xfer) |
| 3467 | { |
| 3468 | uhci_softc_t *sc = (uhci_softc_t *)xfer->pipe->device->bus; |
| 3469 | |
| 3470 | usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, xfer); |
| 3471 | sc->sc_intr_xfer = NULL; |
| 3472 | |
| 3473 | if (xfer->pipe->intrxfer == xfer) { |
| 3474 | DPRINTF(("uhci_root_intr_abort: remove\n")); |
| 3475 | xfer->pipe->intrxfer = 0; |
| 3476 | } |
| 3477 | xfer->status = USBD_CANCELLED; |
| 3478 | #ifdef DIAGNOSTIC |
| 3479 | UXFER(xfer)->iinfo.isdone = 1; |
| 3480 | #endif |
| 3481 | usb_transfer_complete(xfer); |
| 3482 | } |
| 3483 | |
| 3484 | usbd_status |
| 3485 | uhci_root_intr_transfer(usbd_xfer_handle xfer) |
| 3486 | { |
| 3487 | usbd_status err; |
| 3488 | |
| 3489 | /* Insert last in queue. */ |
| 3490 | err = usb_insert_transfer(xfer); |
| 3491 | if (err) |
| 3492 | return (err); |
| 3493 | |
| 3494 | /* |
| 3495 | * Pipe isn't running (otherwise err would be USBD_INPROG), |
| 3496 | * so start it first. |
| 3497 | */ |
| 3498 | return (uhci_root_intr_start(SIMPLEQ_FIRST(&xfer->pipe->queue))); |
| 3499 | } |
| 3500 | |
| 3501 | /* Start a transfer on the root interrupt pipe */ |
| 3502 | usbd_status |
| 3503 | uhci_root_intr_start(usbd_xfer_handle xfer) |
| 3504 | { |
| 3505 | usbd_pipe_handle pipe = xfer->pipe; |
| 3506 | uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; |
| 3507 | |
| 3508 | DPRINTFN(3, ("uhci_root_intr_start: xfer=%p len=%d flags=%d\n", |
| 3509 | xfer, xfer->length, xfer->flags)); |
| 3510 | |
| 3511 | if (sc->sc_dying) |
| 3512 | return (USBD_IOERROR); |
| 3513 | |
| 3514 | sc->sc_ival = MS_TO_TICKS(xfer->pipe->endpoint->edesc->bInterval); |
| 3515 | usb_callout(sc->sc_poll_handle, sc->sc_ival, uhci_poll_hub, xfer); |
| 3516 | sc->sc_intr_xfer = xfer; |
| 3517 | return (USBD_IN_PROGRESS); |
| 3518 | } |
| 3519 | |
| 3520 | /* Close the root interrupt pipe. */ |
| 3521 | void |
| 3522 | uhci_root_intr_close(usbd_pipe_handle pipe) |
| 3523 | { |
| 3524 | uhci_softc_t *sc = (uhci_softc_t *)pipe->device->bus; |
| 3525 | |
| 3526 | usb_uncallout(sc->sc_poll_handle, uhci_poll_hub, sc->sc_intr_xfer); |
| 3527 | sc->sc_intr_xfer = NULL; |
| 3528 | DPRINTF(("uhci_root_intr_close\n")); |
| 3529 | } |