ohci.c revision 228483
1184610Salfred/*- 2184610Salfred * Copyright (c) 2008 Hans Petter Selasky. All rights reserved. 3184610Salfred * Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved. 4184610Salfred * Copyright (c) 1998 Lennart Augustsson. All rights reserved. 5184610Salfred * 6184610Salfred * Redistribution and use in source and binary forms, with or without 7184610Salfred * modification, are permitted provided that the following conditions 8184610Salfred * are met: 9184610Salfred * 1. Redistributions of source code must retain the above copyright 10184610Salfred * notice, this list of conditions and the following disclaimer. 11184610Salfred * 2. Redistributions in binary form must reproduce the above copyright 12184610Salfred * notice, this list of conditions and the following disclaimer in the 13184610Salfred * documentation and/or other materials provided with the distribution. 14184610Salfred * 15184610Salfred * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16184610Salfred * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17184610Salfred * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18184610Salfred * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19184610Salfred * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20184610Salfred * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21184610Salfred * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22184610Salfred * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23184610Salfred * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24184610Salfred * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25184610Salfred * SUCH DAMAGE. 26184610Salfred */ 27184610Salfred 28184610Salfred#include <sys/cdefs.h> 29184610Salfred__FBSDID("$FreeBSD: head/sys/dev/usb/controller/ohci.c 228483 2011-12-14 00:28:54Z hselasky $"); 30184610Salfred 31184610Salfred/* 32184610Salfred * USB Open Host Controller driver. 33184610Salfred * 34184610Salfred * OHCI spec: http://www.compaq.com/productinfo/development/openhci.html 35190754Sthompsa * USB spec: http://www.usb.org/developers/docs/usbspec.zip 36184610Salfred */ 37184610Salfred 38194677Sthompsa#include <sys/stdint.h> 39194677Sthompsa#include <sys/stddef.h> 40194677Sthompsa#include <sys/param.h> 41194677Sthompsa#include <sys/queue.h> 42194677Sthompsa#include <sys/types.h> 43194677Sthompsa#include <sys/systm.h> 44194677Sthompsa#include <sys/kernel.h> 45194677Sthompsa#include <sys/bus.h> 46194677Sthompsa#include <sys/module.h> 47194677Sthompsa#include <sys/lock.h> 48194677Sthompsa#include <sys/mutex.h> 49194677Sthompsa#include <sys/condvar.h> 50194677Sthompsa#include <sys/sysctl.h> 51194677Sthompsa#include <sys/sx.h> 52194677Sthompsa#include <sys/unistd.h> 53194677Sthompsa#include <sys/callout.h> 54194677Sthompsa#include <sys/malloc.h> 55194677Sthompsa#include <sys/priv.h> 56194677Sthompsa 57188942Sthompsa#include <dev/usb/usb.h> 58194677Sthompsa#include <dev/usb/usbdi.h> 59184610Salfred 60184610Salfred#define USB_DEBUG_VAR ohcidebug 61184610Salfred 62188942Sthompsa#include <dev/usb/usb_core.h> 63188942Sthompsa#include <dev/usb/usb_debug.h> 64188942Sthompsa#include <dev/usb/usb_busdma.h> 65188942Sthompsa#include <dev/usb/usb_process.h> 66188942Sthompsa#include <dev/usb/usb_transfer.h> 67188942Sthompsa#include <dev/usb/usb_device.h> 68188942Sthompsa#include <dev/usb/usb_hub.h> 69188942Sthompsa#include <dev/usb/usb_util.h> 70184610Salfred 71188942Sthompsa#include <dev/usb/usb_controller.h> 72188942Sthompsa#include <dev/usb/usb_bus.h> 73188942Sthompsa#include <dev/usb/controller/ohci.h> 74198151Sthompsa#include <dev/usb/controller/ohcireg.h> 75184610Salfred 76190181Sthompsa#define OHCI_BUS2SC(bus) \ 77190181Sthompsa ((ohci_softc_t *)(((uint8_t *)(bus)) - \ 78190181Sthompsa ((uint8_t *)&(((ohci_softc_t *)0)->sc_bus)))) 79184610Salfred 80194677Sthompsa#ifdef USB_DEBUG 81184610Salfredstatic int ohcidebug = 0; 82184610Salfred 83227309Sedstatic SYSCTL_NODE(_hw_usb, OID_AUTO, ohci, CTLFLAG_RW, 0, "USB ohci"); 84192502SthompsaSYSCTL_INT(_hw_usb_ohci, OID_AUTO, debug, CTLFLAG_RW, 85184610Salfred &ohcidebug, 0, "ohci debug level"); 86199675Sthompsa 87199675SthompsaTUNABLE_INT("hw.usb.ohci.debug", &ohcidebug); 88199675Sthompsa 89184610Salfredstatic void ohci_dumpregs(ohci_softc_t *); 90184610Salfredstatic void ohci_dump_tds(ohci_td_t *); 91184610Salfredstatic uint8_t ohci_dump_td(ohci_td_t *); 92184610Salfredstatic void ohci_dump_ed(ohci_ed_t *); 93184610Salfredstatic uint8_t ohci_dump_itd(ohci_itd_t *); 94184610Salfredstatic void ohci_dump_itds(ohci_itd_t *); 95184610Salfred 96184610Salfred#endif 97184610Salfred 98184610Salfred#define OBARR(sc) bus_space_barrier((sc)->sc_io_tag, (sc)->sc_io_hdl, 0, (sc)->sc_io_size, \ 99184610Salfred BUS_SPACE_BARRIER_READ|BUS_SPACE_BARRIER_WRITE) 100184610Salfred#define OWRITE1(sc, r, x) \ 101184610Salfred do { OBARR(sc); bus_space_write_1((sc)->sc_io_tag, (sc)->sc_io_hdl, (r), (x)); } while (0) 102184610Salfred#define OWRITE2(sc, r, x) \ 103184610Salfred do { OBARR(sc); bus_space_write_2((sc)->sc_io_tag, (sc)->sc_io_hdl, (r), (x)); } while (0) 104184610Salfred#define OWRITE4(sc, r, x) \ 105184610Salfred do { OBARR(sc); bus_space_write_4((sc)->sc_io_tag, (sc)->sc_io_hdl, (r), (x)); } while (0) 106184610Salfred#define OREAD1(sc, r) (OBARR(sc), bus_space_read_1((sc)->sc_io_tag, (sc)->sc_io_hdl, (r))) 107184610Salfred#define OREAD2(sc, r) (OBARR(sc), bus_space_read_2((sc)->sc_io_tag, (sc)->sc_io_hdl, (r))) 108184610Salfred#define OREAD4(sc, r) (OBARR(sc), bus_space_read_4((sc)->sc_io_tag, (sc)->sc_io_hdl, (r))) 109184610Salfred 110184610Salfred#define OHCI_INTR_ENDPT 1 111184610Salfred 112192984Sthompsaextern struct usb_bus_methods ohci_bus_methods; 113192984Sthompsaextern struct usb_pipe_methods ohci_device_bulk_methods; 114192984Sthompsaextern struct usb_pipe_methods ohci_device_ctrl_methods; 115192984Sthompsaextern struct usb_pipe_methods ohci_device_intr_methods; 116192984Sthompsaextern struct usb_pipe_methods ohci_device_isoc_methods; 117184610Salfred 118192984Sthompsastatic void ohci_do_poll(struct usb_bus *bus); 119193045Sthompsastatic void ohci_device_done(struct usb_xfer *xfer, usb_error_t error); 120184610Salfredstatic void ohci_timeout(void *arg); 121192984Sthompsastatic uint8_t ohci_check_transfer(struct usb_xfer *xfer); 122190735Sthompsastatic void ohci_root_intr(ohci_softc_t *sc); 123184610Salfred 124184610Salfredstruct ohci_std_temp { 125192984Sthompsa struct usb_page_cache *pc; 126184610Salfred ohci_td_t *td; 127184610Salfred ohci_td_t *td_next; 128184610Salfred uint32_t average; 129184610Salfred uint32_t td_flags; 130184610Salfred uint32_t len; 131184610Salfred uint16_t max_frame_size; 132184610Salfred uint8_t shortpkt; 133184610Salfred uint8_t setup_alt_next; 134190183Sthompsa uint8_t last_frame; 135184610Salfred}; 136184610Salfred 137184610Salfredstatic struct ohci_hcca * 138184610Salfredohci_get_hcca(ohci_softc_t *sc) 139184610Salfred{ 140194228Sthompsa usb_pc_cpu_invalidate(&sc->sc_hw.hcca_pc); 141184610Salfred return (sc->sc_hcca_p); 142184610Salfred} 143184610Salfred 144184610Salfredvoid 145193045Sthompsaohci_iterate_hw_softc(struct usb_bus *bus, usb_bus_mem_sub_cb_t *cb) 146184610Salfred{ 147184610Salfred struct ohci_softc *sc = OHCI_BUS2SC(bus); 148184610Salfred uint32_t i; 149184610Salfred 150184610Salfred cb(bus, &sc->sc_hw.hcca_pc, &sc->sc_hw.hcca_pg, 151184610Salfred sizeof(ohci_hcca_t), OHCI_HCCA_ALIGN); 152184610Salfred 153184610Salfred cb(bus, &sc->sc_hw.ctrl_start_pc, &sc->sc_hw.ctrl_start_pg, 154184610Salfred sizeof(ohci_ed_t), OHCI_ED_ALIGN); 155184610Salfred 156184610Salfred cb(bus, &sc->sc_hw.bulk_start_pc, &sc->sc_hw.bulk_start_pg, 157184610Salfred sizeof(ohci_ed_t), OHCI_ED_ALIGN); 158184610Salfred 159184610Salfred cb(bus, &sc->sc_hw.isoc_start_pc, &sc->sc_hw.isoc_start_pg, 160184610Salfred sizeof(ohci_ed_t), OHCI_ED_ALIGN); 161184610Salfred 162184610Salfred for (i = 0; i != OHCI_NO_EDS; i++) { 163184610Salfred cb(bus, sc->sc_hw.intr_start_pc + i, sc->sc_hw.intr_start_pg + i, 164184610Salfred sizeof(ohci_ed_t), OHCI_ED_ALIGN); 165184610Salfred } 166184610Salfred} 167184610Salfred 168193045Sthompsastatic usb_error_t 169228483Shselaskyohci_controller_init(ohci_softc_t *sc, int do_suspend) 170184610Salfred{ 171192984Sthompsa struct usb_page_search buf_res; 172184610Salfred uint32_t i; 173184610Salfred uint32_t ctl; 174184610Salfred uint32_t ival; 175184610Salfred uint32_t hcr; 176184610Salfred uint32_t fm; 177184610Salfred uint32_t per; 178184610Salfred uint32_t desca; 179184610Salfred 180198501Sthompsa /* Determine in what context we are running. */ 181198501Sthompsa ctl = OREAD4(sc, OHCI_CONTROL); 182198501Sthompsa if (ctl & OHCI_IR) { 183198501Sthompsa /* SMM active, request change */ 184198501Sthompsa DPRINTF("SMM active, request owner change\n"); 185198501Sthompsa OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_OCR); 186198501Sthompsa for (i = 0; (i < 100) && (ctl & OHCI_IR); i++) { 187198501Sthompsa usb_pause_mtx(NULL, hz / 1000); 188198501Sthompsa ctl = OREAD4(sc, OHCI_CONTROL); 189198501Sthompsa } 190198501Sthompsa if (ctl & OHCI_IR) { 191198501Sthompsa device_printf(sc->sc_bus.bdev, 192198501Sthompsa "SMM does not respond, resetting\n"); 193198501Sthompsa OWRITE4(sc, OHCI_CONTROL, OHCI_HCFS_RESET); 194198501Sthompsa goto reset; 195198501Sthompsa } 196198501Sthompsa } else { 197198501Sthompsa DPRINTF("cold started\n"); 198198501Sthompsareset: 199198501Sthompsa /* controller was cold started */ 200198501Sthompsa usb_pause_mtx(NULL, 201198501Sthompsa USB_MS_TO_TICKS(USB_BUS_RESET_DELAY)); 202198501Sthompsa } 203198501Sthompsa 204184610Salfred /* 205184610Salfred * This reset should not be necessary according to the OHCI spec, but 206184610Salfred * without it some controllers do not start. 207184610Salfred */ 208184610Salfred DPRINTF("%s: resetting\n", device_get_nameunit(sc->sc_bus.bdev)); 209184610Salfred OWRITE4(sc, OHCI_CONTROL, OHCI_HCFS_RESET); 210184610Salfred 211194228Sthompsa usb_pause_mtx(NULL, 212188409Sthompsa USB_MS_TO_TICKS(USB_BUS_RESET_DELAY)); 213184610Salfred 214184610Salfred /* we now own the host controller and the bus has been reset */ 215184610Salfred ival = OHCI_GET_IVAL(OREAD4(sc, OHCI_FM_INTERVAL)); 216184610Salfred 217184610Salfred OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_HCR); /* Reset HC */ 218184610Salfred /* nominal time for a reset is 10 us */ 219184610Salfred for (i = 0; i < 10; i++) { 220184610Salfred DELAY(10); 221184610Salfred hcr = OREAD4(sc, OHCI_COMMAND_STATUS) & OHCI_HCR; 222184610Salfred if (!hcr) { 223184610Salfred break; 224184610Salfred } 225184610Salfred } 226184610Salfred if (hcr) { 227184610Salfred device_printf(sc->sc_bus.bdev, "reset timeout\n"); 228184610Salfred return (USB_ERR_IOERROR); 229184610Salfred } 230194677Sthompsa#ifdef USB_DEBUG 231184610Salfred if (ohcidebug > 15) { 232184610Salfred ohci_dumpregs(sc); 233184610Salfred } 234184610Salfred#endif 235184610Salfred 236228483Shselasky if (do_suspend) { 237228483Shselasky OWRITE4(sc, OHCI_CONTROL, OHCI_HCFS_SUSPEND); 238228483Shselasky return (USB_ERR_NORMAL_COMPLETION); 239228483Shselasky } 240228483Shselasky 241184610Salfred /* The controller is now in SUSPEND state, we have 2ms to finish. */ 242184610Salfred 243184610Salfred /* set up HC registers */ 244194228Sthompsa usbd_get_page(&sc->sc_hw.hcca_pc, 0, &buf_res); 245184610Salfred OWRITE4(sc, OHCI_HCCA, buf_res.physaddr); 246184610Salfred 247194228Sthompsa usbd_get_page(&sc->sc_hw.ctrl_start_pc, 0, &buf_res); 248184610Salfred OWRITE4(sc, OHCI_CONTROL_HEAD_ED, buf_res.physaddr); 249184610Salfred 250194228Sthompsa usbd_get_page(&sc->sc_hw.bulk_start_pc, 0, &buf_res); 251184610Salfred OWRITE4(sc, OHCI_BULK_HEAD_ED, buf_res.physaddr); 252184610Salfred 253184610Salfred /* disable all interrupts and then switch on all desired interrupts */ 254184610Salfred OWRITE4(sc, OHCI_INTERRUPT_DISABLE, OHCI_ALL_INTRS); 255184610Salfred OWRITE4(sc, OHCI_INTERRUPT_ENABLE, sc->sc_eintrs | OHCI_MIE); 256184610Salfred /* switch on desired functional features */ 257184610Salfred ctl = OREAD4(sc, OHCI_CONTROL); 258184610Salfred ctl &= ~(OHCI_CBSR_MASK | OHCI_LES | OHCI_HCFS_MASK | OHCI_IR); 259184610Salfred ctl |= OHCI_PLE | OHCI_IE | OHCI_CLE | OHCI_BLE | 260184610Salfred OHCI_RATIO_1_4 | OHCI_HCFS_OPERATIONAL; 261184610Salfred /* And finally start it! */ 262184610Salfred OWRITE4(sc, OHCI_CONTROL, ctl); 263184610Salfred 264184610Salfred /* 265184610Salfred * The controller is now OPERATIONAL. Set a some final 266184610Salfred * registers that should be set earlier, but that the 267184610Salfred * controller ignores when in the SUSPEND state. 268184610Salfred */ 269184610Salfred fm = (OREAD4(sc, OHCI_FM_INTERVAL) & OHCI_FIT) ^ OHCI_FIT; 270184610Salfred fm |= OHCI_FSMPS(ival) | ival; 271184610Salfred OWRITE4(sc, OHCI_FM_INTERVAL, fm); 272184610Salfred per = OHCI_PERIODIC(ival); /* 90% periodic */ 273184610Salfred OWRITE4(sc, OHCI_PERIODIC_START, per); 274184610Salfred 275184610Salfred /* Fiddle the No OverCurrent Protection bit to avoid chip bug. */ 276184610Salfred desca = OREAD4(sc, OHCI_RH_DESCRIPTOR_A); 277184610Salfred OWRITE4(sc, OHCI_RH_DESCRIPTOR_A, desca | OHCI_NOCP); 278184610Salfred OWRITE4(sc, OHCI_RH_STATUS, OHCI_LPSC); /* Enable port power */ 279194228Sthompsa usb_pause_mtx(NULL, 280188409Sthompsa USB_MS_TO_TICKS(OHCI_ENABLE_POWER_DELAY)); 281184610Salfred OWRITE4(sc, OHCI_RH_DESCRIPTOR_A, desca); 282184610Salfred 283184610Salfred /* 284184610Salfred * The AMD756 requires a delay before re-reading the register, 285184610Salfred * otherwise it will occasionally report 0 ports. 286184610Salfred */ 287184610Salfred sc->sc_noport = 0; 288184610Salfred for (i = 0; (i < 10) && (sc->sc_noport == 0); i++) { 289194228Sthompsa usb_pause_mtx(NULL, 290188409Sthompsa USB_MS_TO_TICKS(OHCI_READ_DESC_DELAY)); 291184610Salfred sc->sc_noport = OHCI_GET_NDP(OREAD4(sc, OHCI_RH_DESCRIPTOR_A)); 292184610Salfred } 293184610Salfred 294194677Sthompsa#ifdef USB_DEBUG 295184610Salfred if (ohcidebug > 5) { 296184610Salfred ohci_dumpregs(sc); 297184610Salfred } 298184610Salfred#endif 299184610Salfred return (USB_ERR_NORMAL_COMPLETION); 300184610Salfred} 301184610Salfred 302184610Salfredstatic struct ohci_ed * 303192984Sthompsaohci_init_ed(struct usb_page_cache *pc) 304184610Salfred{ 305192984Sthompsa struct usb_page_search buf_res; 306184610Salfred struct ohci_ed *ed; 307184610Salfred 308194228Sthompsa usbd_get_page(pc, 0, &buf_res); 309184610Salfred 310184610Salfred ed = buf_res.buffer; 311184610Salfred 312184610Salfred ed->ed_self = htole32(buf_res.physaddr); 313184610Salfred ed->ed_flags = htole32(OHCI_ED_SKIP); 314184610Salfred ed->page_cache = pc; 315184610Salfred 316184610Salfred return (ed); 317184610Salfred} 318184610Salfred 319193045Sthompsausb_error_t 320184610Salfredohci_init(ohci_softc_t *sc) 321184610Salfred{ 322192984Sthompsa struct usb_page_search buf_res; 323184610Salfred uint16_t i; 324184610Salfred uint16_t bit; 325184610Salfred uint16_t x; 326184610Salfred uint16_t y; 327184610Salfred 328184610Salfred DPRINTF("start\n"); 329184610Salfred 330184610Salfred sc->sc_eintrs = OHCI_NORMAL_INTRS; 331184610Salfred 332184610Salfred /* 333184610Salfred * Setup all ED's 334184610Salfred */ 335184610Salfred 336184610Salfred sc->sc_ctrl_p_last = 337184610Salfred ohci_init_ed(&sc->sc_hw.ctrl_start_pc); 338184610Salfred 339184610Salfred sc->sc_bulk_p_last = 340184610Salfred ohci_init_ed(&sc->sc_hw.bulk_start_pc); 341184610Salfred 342184610Salfred sc->sc_isoc_p_last = 343184610Salfred ohci_init_ed(&sc->sc_hw.isoc_start_pc); 344184610Salfred 345184610Salfred for (i = 0; i != OHCI_NO_EDS; i++) { 346184610Salfred sc->sc_intr_p_last[i] = 347184610Salfred ohci_init_ed(sc->sc_hw.intr_start_pc + i); 348184610Salfred } 349184610Salfred 350184610Salfred /* 351184610Salfred * the QHs are arranged to give poll intervals that are 352184610Salfred * powers of 2 times 1ms 353184610Salfred */ 354184610Salfred bit = OHCI_NO_EDS / 2; 355184610Salfred while (bit) { 356184610Salfred x = bit; 357184610Salfred while (x & bit) { 358184610Salfred ohci_ed_t *ed_x; 359184610Salfred ohci_ed_t *ed_y; 360184610Salfred 361184610Salfred y = (x ^ bit) | (bit / 2); 362184610Salfred 363184610Salfred /* 364184610Salfred * the next QH has half the poll interval 365184610Salfred */ 366184610Salfred ed_x = sc->sc_intr_p_last[x]; 367184610Salfred ed_y = sc->sc_intr_p_last[y]; 368184610Salfred 369184610Salfred ed_x->next = NULL; 370184610Salfred ed_x->ed_next = ed_y->ed_self; 371184610Salfred 372184610Salfred x++; 373184610Salfred } 374184610Salfred bit >>= 1; 375184610Salfred } 376184610Salfred 377184610Salfred if (1) { 378184610Salfred 379184610Salfred ohci_ed_t *ed_int; 380184610Salfred ohci_ed_t *ed_isc; 381184610Salfred 382184610Salfred ed_int = sc->sc_intr_p_last[0]; 383184610Salfred ed_isc = sc->sc_isoc_p_last; 384184610Salfred 385184610Salfred /* the last (1ms) QH */ 386184610Salfred ed_int->next = ed_isc; 387184610Salfred ed_int->ed_next = ed_isc->ed_self; 388184610Salfred } 389194228Sthompsa usbd_get_page(&sc->sc_hw.hcca_pc, 0, &buf_res); 390184610Salfred 391184610Salfred sc->sc_hcca_p = buf_res.buffer; 392184610Salfred 393184610Salfred /* 394184610Salfred * Fill HCCA interrupt table. The bit reversal is to get 395184610Salfred * the tree set up properly to spread the interrupts. 396184610Salfred */ 397184610Salfred for (i = 0; i != OHCI_NO_INTRS; i++) { 398184610Salfred sc->sc_hcca_p->hcca_interrupt_table[i] = 399184610Salfred sc->sc_intr_p_last[i | (OHCI_NO_EDS / 2)]->ed_self; 400184610Salfred } 401184610Salfred /* flush all cache into memory */ 402184610Salfred 403194228Sthompsa usb_bus_mem_flush_all(&sc->sc_bus, &ohci_iterate_hw_softc); 404184610Salfred 405184610Salfred /* set up the bus struct */ 406184610Salfred sc->sc_bus.methods = &ohci_bus_methods; 407184610Salfred 408194228Sthompsa usb_callout_init_mtx(&sc->sc_tmo_rhsc, &sc->sc_bus.bus_mtx, 0); 409184610Salfred 410194677Sthompsa#ifdef USB_DEBUG 411184610Salfred if (ohcidebug > 15) { 412184610Salfred for (i = 0; i != OHCI_NO_EDS; i++) { 413184610Salfred printf("ed#%d ", i); 414184610Salfred ohci_dump_ed(sc->sc_intr_p_last[i]); 415184610Salfred } 416184610Salfred printf("iso "); 417184610Salfred ohci_dump_ed(sc->sc_isoc_p_last); 418184610Salfred } 419184610Salfred#endif 420184610Salfred 421184610Salfred sc->sc_bus.usbrev = USB_REV_1_0; 422184610Salfred 423228483Shselasky if (ohci_controller_init(sc, 0) != 0) 424184610Salfred return (USB_ERR_INVAL); 425228483Shselasky 426228483Shselasky /* catch any lost interrupts */ 427228483Shselasky ohci_do_poll(&sc->sc_bus); 428228483Shselasky return (USB_ERR_NORMAL_COMPLETION); 429184610Salfred} 430184610Salfred 431184610Salfred/* 432184610Salfred * shut down the controller when the system is going down 433184610Salfred */ 434184610Salfredvoid 435184610Salfredohci_detach(struct ohci_softc *sc) 436184610Salfred{ 437184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 438184610Salfred 439194228Sthompsa usb_callout_stop(&sc->sc_tmo_rhsc); 440184610Salfred 441184610Salfred OWRITE4(sc, OHCI_INTERRUPT_DISABLE, OHCI_ALL_INTRS); 442184610Salfred OWRITE4(sc, OHCI_CONTROL, OHCI_HCFS_RESET); 443184610Salfred 444188409Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 445188409Sthompsa 446184610Salfred /* XXX let stray task complete */ 447194228Sthompsa usb_pause_mtx(NULL, hz / 20); 448184610Salfred 449194228Sthompsa usb_callout_drain(&sc->sc_tmo_rhsc); 450184610Salfred} 451184610Salfred 452228483Shselaskystatic void 453184610Salfredohci_suspend(ohci_softc_t *sc) 454184610Salfred{ 455228483Shselasky DPRINTF("\n"); 456184610Salfred 457194677Sthompsa#ifdef USB_DEBUG 458228483Shselasky if (ohcidebug > 2) 459184610Salfred ohci_dumpregs(sc); 460184610Salfred#endif 461184610Salfred 462228483Shselasky /* reset HC and leave it suspended */ 463228483Shselasky ohci_controller_init(sc, 1); 464184610Salfred} 465184610Salfred 466228483Shselaskystatic void 467184610Salfredohci_resume(ohci_softc_t *sc) 468184610Salfred{ 469228483Shselasky DPRINTF("\n"); 470184610Salfred 471194677Sthompsa#ifdef USB_DEBUG 472228483Shselasky if (ohcidebug > 2) 473184610Salfred ohci_dumpregs(sc); 474184610Salfred#endif 475228483Shselasky 476184610Salfred /* some broken BIOSes never initialize the Controller chip */ 477228483Shselasky ohci_controller_init(sc, 0); 478184610Salfred 479184610Salfred /* catch any lost interrupts */ 480184610Salfred ohci_do_poll(&sc->sc_bus); 481184610Salfred} 482184610Salfred 483194677Sthompsa#ifdef USB_DEBUG 484184610Salfredstatic void 485184610Salfredohci_dumpregs(ohci_softc_t *sc) 486184610Salfred{ 487184610Salfred struct ohci_hcca *hcca; 488184610Salfred 489184610Salfred DPRINTF("ohci_dumpregs: rev=0x%08x control=0x%08x command=0x%08x\n", 490184610Salfred OREAD4(sc, OHCI_REVISION), 491184610Salfred OREAD4(sc, OHCI_CONTROL), 492184610Salfred OREAD4(sc, OHCI_COMMAND_STATUS)); 493184610Salfred DPRINTF(" intrstat=0x%08x intre=0x%08x intrd=0x%08x\n", 494184610Salfred OREAD4(sc, OHCI_INTERRUPT_STATUS), 495184610Salfred OREAD4(sc, OHCI_INTERRUPT_ENABLE), 496184610Salfred OREAD4(sc, OHCI_INTERRUPT_DISABLE)); 497184610Salfred DPRINTF(" hcca=0x%08x percur=0x%08x ctrlhd=0x%08x\n", 498184610Salfred OREAD4(sc, OHCI_HCCA), 499184610Salfred OREAD4(sc, OHCI_PERIOD_CURRENT_ED), 500184610Salfred OREAD4(sc, OHCI_CONTROL_HEAD_ED)); 501184610Salfred DPRINTF(" ctrlcur=0x%08x bulkhd=0x%08x bulkcur=0x%08x\n", 502184610Salfred OREAD4(sc, OHCI_CONTROL_CURRENT_ED), 503184610Salfred OREAD4(sc, OHCI_BULK_HEAD_ED), 504184610Salfred OREAD4(sc, OHCI_BULK_CURRENT_ED)); 505184610Salfred DPRINTF(" done=0x%08x fmival=0x%08x fmrem=0x%08x\n", 506184610Salfred OREAD4(sc, OHCI_DONE_HEAD), 507184610Salfred OREAD4(sc, OHCI_FM_INTERVAL), 508184610Salfred OREAD4(sc, OHCI_FM_REMAINING)); 509184610Salfred DPRINTF(" fmnum=0x%08x perst=0x%08x lsthrs=0x%08x\n", 510184610Salfred OREAD4(sc, OHCI_FM_NUMBER), 511184610Salfred OREAD4(sc, OHCI_PERIODIC_START), 512184610Salfred OREAD4(sc, OHCI_LS_THRESHOLD)); 513184610Salfred DPRINTF(" desca=0x%08x descb=0x%08x stat=0x%08x\n", 514184610Salfred OREAD4(sc, OHCI_RH_DESCRIPTOR_A), 515184610Salfred OREAD4(sc, OHCI_RH_DESCRIPTOR_B), 516184610Salfred OREAD4(sc, OHCI_RH_STATUS)); 517184610Salfred DPRINTF(" port1=0x%08x port2=0x%08x\n", 518184610Salfred OREAD4(sc, OHCI_RH_PORT_STATUS(1)), 519184610Salfred OREAD4(sc, OHCI_RH_PORT_STATUS(2))); 520184610Salfred 521184610Salfred hcca = ohci_get_hcca(sc); 522184610Salfred 523184610Salfred DPRINTF(" HCCA: frame_number=0x%04x done_head=0x%08x\n", 524184610Salfred le32toh(hcca->hcca_frame_number), 525184610Salfred le32toh(hcca->hcca_done_head)); 526184610Salfred} 527184610Salfredstatic void 528184610Salfredohci_dump_tds(ohci_td_t *std) 529184610Salfred{ 530184610Salfred for (; std; std = std->obj_next) { 531184610Salfred if (ohci_dump_td(std)) { 532184610Salfred break; 533184610Salfred } 534184610Salfred } 535184610Salfred} 536184610Salfred 537184610Salfredstatic uint8_t 538184610Salfredohci_dump_td(ohci_td_t *std) 539184610Salfred{ 540184610Salfred uint32_t td_flags; 541184610Salfred uint8_t temp; 542184610Salfred 543194228Sthompsa usb_pc_cpu_invalidate(std->page_cache); 544184610Salfred 545184610Salfred td_flags = le32toh(std->td_flags); 546184610Salfred temp = (std->td_next == 0); 547184610Salfred 548184610Salfred printf("TD(%p) at 0x%08x: %s%s%s%s%s delay=%d ec=%d " 549184610Salfred "cc=%d\ncbp=0x%08x next=0x%08x be=0x%08x\n", 550184610Salfred std, le32toh(std->td_self), 551184610Salfred (td_flags & OHCI_TD_R) ? "-R" : "", 552184610Salfred (td_flags & OHCI_TD_OUT) ? "-OUT" : "", 553184610Salfred (td_flags & OHCI_TD_IN) ? "-IN" : "", 554184610Salfred ((td_flags & OHCI_TD_TOGGLE_MASK) == OHCI_TD_TOGGLE_1) ? "-TOG1" : "", 555184610Salfred ((td_flags & OHCI_TD_TOGGLE_MASK) == OHCI_TD_TOGGLE_0) ? "-TOG0" : "", 556184610Salfred OHCI_TD_GET_DI(td_flags), 557184610Salfred OHCI_TD_GET_EC(td_flags), 558184610Salfred OHCI_TD_GET_CC(td_flags), 559184610Salfred le32toh(std->td_cbp), 560184610Salfred le32toh(std->td_next), 561184610Salfred le32toh(std->td_be)); 562184610Salfred 563184610Salfred return (temp); 564184610Salfred} 565184610Salfred 566184610Salfredstatic uint8_t 567184610Salfredohci_dump_itd(ohci_itd_t *sitd) 568184610Salfred{ 569184610Salfred uint32_t itd_flags; 570184610Salfred uint16_t i; 571184610Salfred uint8_t temp; 572184610Salfred 573194228Sthompsa usb_pc_cpu_invalidate(sitd->page_cache); 574184610Salfred 575184610Salfred itd_flags = le32toh(sitd->itd_flags); 576184610Salfred temp = (sitd->itd_next == 0); 577184610Salfred 578184610Salfred printf("ITD(%p) at 0x%08x: sf=%d di=%d fc=%d cc=%d\n" 579184610Salfred "bp0=0x%08x next=0x%08x be=0x%08x\n", 580184610Salfred sitd, le32toh(sitd->itd_self), 581184610Salfred OHCI_ITD_GET_SF(itd_flags), 582184610Salfred OHCI_ITD_GET_DI(itd_flags), 583184610Salfred OHCI_ITD_GET_FC(itd_flags), 584184610Salfred OHCI_ITD_GET_CC(itd_flags), 585184610Salfred le32toh(sitd->itd_bp0), 586184610Salfred le32toh(sitd->itd_next), 587184610Salfred le32toh(sitd->itd_be)); 588184610Salfred for (i = 0; i < OHCI_ITD_NOFFSET; i++) { 589184610Salfred printf("offs[%d]=0x%04x ", i, 590184610Salfred (uint32_t)le16toh(sitd->itd_offset[i])); 591184610Salfred } 592184610Salfred printf("\n"); 593184610Salfred 594184610Salfred return (temp); 595184610Salfred} 596184610Salfred 597184610Salfredstatic void 598184610Salfredohci_dump_itds(ohci_itd_t *sitd) 599184610Salfred{ 600184610Salfred for (; sitd; sitd = sitd->obj_next) { 601184610Salfred if (ohci_dump_itd(sitd)) { 602184610Salfred break; 603184610Salfred } 604184610Salfred } 605184610Salfred} 606184610Salfred 607184610Salfredstatic void 608184610Salfredohci_dump_ed(ohci_ed_t *sed) 609184610Salfred{ 610184610Salfred uint32_t ed_flags; 611184610Salfred uint32_t ed_headp; 612184610Salfred 613194228Sthompsa usb_pc_cpu_invalidate(sed->page_cache); 614184610Salfred 615184610Salfred ed_flags = le32toh(sed->ed_flags); 616184610Salfred ed_headp = le32toh(sed->ed_headp); 617184610Salfred 618184610Salfred printf("ED(%p) at 0x%08x: addr=%d endpt=%d maxp=%d flags=%s%s%s%s%s\n" 619184610Salfred "tailp=0x%08x headflags=%s%s headp=0x%08x nexted=0x%08x\n", 620184610Salfred sed, le32toh(sed->ed_self), 621184610Salfred OHCI_ED_GET_FA(ed_flags), 622184610Salfred OHCI_ED_GET_EN(ed_flags), 623184610Salfred OHCI_ED_GET_MAXP(ed_flags), 624184610Salfred (ed_flags & OHCI_ED_DIR_OUT) ? "-OUT" : "", 625184610Salfred (ed_flags & OHCI_ED_DIR_IN) ? "-IN" : "", 626184610Salfred (ed_flags & OHCI_ED_SPEED) ? "-LOWSPEED" : "", 627184610Salfred (ed_flags & OHCI_ED_SKIP) ? "-SKIP" : "", 628184610Salfred (ed_flags & OHCI_ED_FORMAT_ISO) ? "-ISO" : "", 629184610Salfred le32toh(sed->ed_tailp), 630184610Salfred (ed_headp & OHCI_HALTED) ? "-HALTED" : "", 631184610Salfred (ed_headp & OHCI_TOGGLECARRY) ? "-CARRY" : "", 632184610Salfred le32toh(sed->ed_headp), 633184610Salfred le32toh(sed->ed_next)); 634184610Salfred} 635184610Salfred 636184610Salfred#endif 637184610Salfred 638184610Salfredstatic void 639192984Sthompsaohci_transfer_intr_enqueue(struct usb_xfer *xfer) 640184610Salfred{ 641184610Salfred /* check for early completion */ 642184610Salfred if (ohci_check_transfer(xfer)) { 643184610Salfred return; 644184610Salfred } 645184610Salfred /* put transfer on interrupt queue */ 646194228Sthompsa usbd_transfer_enqueue(&xfer->xroot->bus->intr_q, xfer); 647184610Salfred 648184610Salfred /* start timeout, if any */ 649184610Salfred if (xfer->timeout != 0) { 650194228Sthompsa usbd_transfer_timeout_ms(xfer, &ohci_timeout, xfer->timeout); 651184610Salfred } 652184610Salfred} 653184610Salfred 654186730Salfred#define OHCI_APPEND_QH(sed,last) (last) = _ohci_append_qh(sed,last) 655184610Salfredstatic ohci_ed_t * 656186730Salfred_ohci_append_qh(ohci_ed_t *sed, ohci_ed_t *last) 657184610Salfred{ 658184610Salfred DPRINTFN(11, "%p to %p\n", sed, last); 659184610Salfred 660186730Salfred if (sed->prev != NULL) { 661186730Salfred /* should not happen */ 662186730Salfred DPRINTFN(0, "ED already linked!\n"); 663186730Salfred return (last); 664186730Salfred } 665184824Sthompsa /* (sc->sc_bus.bus_mtx) must be locked */ 666184610Salfred 667184610Salfred sed->next = last->next; 668184610Salfred sed->ed_next = last->ed_next; 669184610Salfred sed->ed_tailp = 0; 670184610Salfred 671184610Salfred sed->prev = last; 672184610Salfred 673194228Sthompsa usb_pc_cpu_flush(sed->page_cache); 674184610Salfred 675184610Salfred /* 676184610Salfred * the last->next->prev is never followed: sed->next->prev = sed; 677184610Salfred */ 678184610Salfred 679184610Salfred last->next = sed; 680184610Salfred last->ed_next = sed->ed_self; 681184610Salfred 682194228Sthompsa usb_pc_cpu_flush(last->page_cache); 683184610Salfred 684184610Salfred return (sed); 685184610Salfred} 686184610Salfred 687184610Salfred#define OHCI_REMOVE_QH(sed,last) (last) = _ohci_remove_qh(sed,last) 688184610Salfredstatic ohci_ed_t * 689184610Salfred_ohci_remove_qh(ohci_ed_t *sed, ohci_ed_t *last) 690184610Salfred{ 691184610Salfred DPRINTFN(11, "%p from %p\n", sed, last); 692184610Salfred 693184824Sthompsa /* (sc->sc_bus.bus_mtx) must be locked */ 694184610Salfred 695184610Salfred /* only remove if not removed from a queue */ 696184610Salfred if (sed->prev) { 697184610Salfred 698184610Salfred sed->prev->next = sed->next; 699184610Salfred sed->prev->ed_next = sed->ed_next; 700184610Salfred 701194228Sthompsa usb_pc_cpu_flush(sed->prev->page_cache); 702184610Salfred 703184610Salfred if (sed->next) { 704184610Salfred sed->next->prev = sed->prev; 705194228Sthompsa usb_pc_cpu_flush(sed->next->page_cache); 706184610Salfred } 707184610Salfred last = ((last == sed) ? sed->prev : last); 708184610Salfred 709184610Salfred sed->prev = 0; 710184610Salfred 711194228Sthompsa usb_pc_cpu_flush(sed->page_cache); 712184610Salfred } 713184610Salfred return (last); 714184610Salfred} 715184610Salfred 716184610Salfredstatic void 717192984Sthompsaohci_isoc_done(struct usb_xfer *xfer) 718184610Salfred{ 719184610Salfred uint8_t nframes; 720184610Salfred uint32_t *plen = xfer->frlengths; 721184610Salfred volatile uint16_t *olen; 722184610Salfred uint16_t len = 0; 723184610Salfred ohci_itd_t *td = xfer->td_transfer_first; 724184610Salfred 725184610Salfred while (1) { 726184610Salfred if (td == NULL) { 727184610Salfred panic("%s:%d: out of TD's\n", 728184610Salfred __FUNCTION__, __LINE__); 729184610Salfred } 730194677Sthompsa#ifdef USB_DEBUG 731184610Salfred if (ohcidebug > 5) { 732184610Salfred DPRINTF("isoc TD\n"); 733184610Salfred ohci_dump_itd(td); 734184610Salfred } 735184610Salfred#endif 736194228Sthompsa usb_pc_cpu_invalidate(td->page_cache); 737184610Salfred 738184610Salfred nframes = td->frames; 739184610Salfred olen = &td->itd_offset[0]; 740184610Salfred 741184610Salfred if (nframes > 8) { 742184610Salfred nframes = 8; 743184610Salfred } 744184610Salfred while (nframes--) { 745184610Salfred len = le16toh(*olen); 746184610Salfred 747184610Salfred if ((len >> 12) == OHCI_CC_NOT_ACCESSED) { 748184610Salfred len = 0; 749184610Salfred } else { 750184610Salfred len &= ((1 << 12) - 1); 751184610Salfred } 752184610Salfred 753184610Salfred if (len > *plen) { 754184610Salfred len = 0;/* invalid length */ 755184610Salfred } 756184610Salfred *plen = len; 757184610Salfred plen++; 758184610Salfred olen++; 759184610Salfred } 760184610Salfred 761184610Salfred if (((void *)td) == xfer->td_transfer_last) { 762184610Salfred break; 763184610Salfred } 764184610Salfred td = td->obj_next; 765184610Salfred } 766184610Salfred 767184610Salfred xfer->aframes = xfer->nframes; 768184610Salfred ohci_device_done(xfer, USB_ERR_NORMAL_COMPLETION); 769184610Salfred} 770184610Salfred 771194677Sthompsa#ifdef USB_DEBUG 772184610Salfredstatic const char *const 773184610Salfred ohci_cc_strs[] = 774184610Salfred{ 775184610Salfred "NO_ERROR", 776184610Salfred "CRC", 777184610Salfred "BIT_STUFFING", 778184610Salfred "DATA_TOGGLE_MISMATCH", 779184610Salfred 780184610Salfred "STALL", 781184610Salfred "DEVICE_NOT_RESPONDING", 782184610Salfred "PID_CHECK_FAILURE", 783184610Salfred "UNEXPECTED_PID", 784184610Salfred 785184610Salfred "DATA_OVERRUN", 786184610Salfred "DATA_UNDERRUN", 787184610Salfred "BUFFER_OVERRUN", 788184610Salfred "BUFFER_UNDERRUN", 789184610Salfred 790184610Salfred "reserved", 791184610Salfred "reserved", 792184610Salfred "NOT_ACCESSED", 793184610Salfred "NOT_ACCESSED" 794184610Salfred}; 795184610Salfred 796184610Salfred#endif 797184610Salfred 798193045Sthompsastatic usb_error_t 799192984Sthompsaohci_non_isoc_done_sub(struct usb_xfer *xfer) 800184610Salfred{ 801184610Salfred ohci_td_t *td; 802184610Salfred ohci_td_t *td_alt_next; 803184610Salfred uint32_t temp; 804184610Salfred uint32_t phy_start; 805184610Salfred uint32_t phy_end; 806184610Salfred uint32_t td_flags; 807184610Salfred uint16_t cc; 808184610Salfred 809184610Salfred td = xfer->td_transfer_cache; 810184610Salfred td_alt_next = td->alt_next; 811184610Salfred td_flags = 0; 812184610Salfred 813188409Sthompsa if (xfer->aframes != xfer->nframes) { 814194677Sthompsa usbd_xfer_set_frame_len(xfer, xfer->aframes, 0); 815188409Sthompsa } 816184610Salfred while (1) { 817184610Salfred 818194228Sthompsa usb_pc_cpu_invalidate(td->page_cache); 819184610Salfred phy_start = le32toh(td->td_cbp); 820184610Salfred td_flags = le32toh(td->td_flags); 821184610Salfred cc = OHCI_TD_GET_CC(td_flags); 822184610Salfred 823184610Salfred if (phy_start) { 824184610Salfred /* 825184610Salfred * short transfer - compute the number of remaining 826184610Salfred * bytes in the hardware buffer: 827184610Salfred */ 828184610Salfred phy_end = le32toh(td->td_be); 829184610Salfred temp = (OHCI_PAGE(phy_start ^ phy_end) ? 830184610Salfred (OHCI_PAGE_SIZE + 1) : 0x0001); 831184610Salfred temp += OHCI_PAGE_OFFSET(phy_end); 832184610Salfred temp -= OHCI_PAGE_OFFSET(phy_start); 833184610Salfred 834184610Salfred if (temp > td->len) { 835184610Salfred /* guard against corruption */ 836184610Salfred cc = OHCI_CC_STALL; 837184610Salfred } else if (xfer->aframes != xfer->nframes) { 838184610Salfred /* 839188409Sthompsa * Sum up total transfer length 840188409Sthompsa * in "frlengths[]": 841184610Salfred */ 842188409Sthompsa xfer->frlengths[xfer->aframes] += td->len - temp; 843184610Salfred } 844188409Sthompsa } else { 845188409Sthompsa if (xfer->aframes != xfer->nframes) { 846188409Sthompsa /* transfer was complete */ 847188409Sthompsa xfer->frlengths[xfer->aframes] += td->len; 848188409Sthompsa } 849184610Salfred } 850184610Salfred /* Check for last transfer */ 851184610Salfred if (((void *)td) == xfer->td_transfer_last) { 852184610Salfred td = NULL; 853184610Salfred break; 854184610Salfred } 855184610Salfred /* Check transfer status */ 856184610Salfred if (cc) { 857184610Salfred /* the transfer is finished */ 858184610Salfred td = NULL; 859184610Salfred break; 860184610Salfred } 861184610Salfred /* Check for short transfer */ 862184610Salfred if (phy_start) { 863184610Salfred if (xfer->flags_int.short_frames_ok) { 864184610Salfred /* follow alt next */ 865184610Salfred td = td->alt_next; 866184610Salfred } else { 867184610Salfred /* the transfer is finished */ 868184610Salfred td = NULL; 869184610Salfred } 870184610Salfred break; 871184610Salfred } 872184610Salfred td = td->obj_next; 873184610Salfred 874184610Salfred if (td->alt_next != td_alt_next) { 875184610Salfred /* this USB frame is complete */ 876184610Salfred break; 877184610Salfred } 878184610Salfred } 879184610Salfred 880184610Salfred /* update transfer cache */ 881184610Salfred 882184610Salfred xfer->td_transfer_cache = td; 883184610Salfred 884184610Salfred DPRINTFN(16, "error cc=%d (%s)\n", 885184610Salfred cc, ohci_cc_strs[cc]); 886184610Salfred 887184610Salfred return ((cc == 0) ? USB_ERR_NORMAL_COMPLETION : 888184610Salfred (cc == OHCI_CC_STALL) ? USB_ERR_STALLED : USB_ERR_IOERROR); 889184610Salfred} 890184610Salfred 891184610Salfredstatic void 892192984Sthompsaohci_non_isoc_done(struct usb_xfer *xfer) 893184610Salfred{ 894193045Sthompsa usb_error_t err = 0; 895184610Salfred 896193644Sthompsa DPRINTFN(13, "xfer=%p endpoint=%p transfer done\n", 897193644Sthompsa xfer, xfer->endpoint); 898184610Salfred 899194677Sthompsa#ifdef USB_DEBUG 900184610Salfred if (ohcidebug > 10) { 901184610Salfred ohci_dump_tds(xfer->td_transfer_first); 902184610Salfred } 903184610Salfred#endif 904184610Salfred 905184610Salfred /* reset scanner */ 906184610Salfred 907184610Salfred xfer->td_transfer_cache = xfer->td_transfer_first; 908184610Salfred 909184610Salfred if (xfer->flags_int.control_xfr) { 910184610Salfred 911184610Salfred if (xfer->flags_int.control_hdr) { 912184610Salfred 913184610Salfred err = ohci_non_isoc_done_sub(xfer); 914184610Salfred } 915184610Salfred xfer->aframes = 1; 916184610Salfred 917184610Salfred if (xfer->td_transfer_cache == NULL) { 918184610Salfred goto done; 919184610Salfred } 920184610Salfred } 921184610Salfred while (xfer->aframes != xfer->nframes) { 922184610Salfred 923184610Salfred err = ohci_non_isoc_done_sub(xfer); 924184610Salfred xfer->aframes++; 925184610Salfred 926184610Salfred if (xfer->td_transfer_cache == NULL) { 927184610Salfred goto done; 928184610Salfred } 929184610Salfred } 930184610Salfred 931184610Salfred if (xfer->flags_int.control_xfr && 932184610Salfred !xfer->flags_int.control_act) { 933184610Salfred 934184610Salfred err = ohci_non_isoc_done_sub(xfer); 935184610Salfred } 936184610Salfreddone: 937184610Salfred ohci_device_done(xfer, err); 938184610Salfred} 939184610Salfred 940184610Salfred/*------------------------------------------------------------------------* 941184610Salfred * ohci_check_transfer_sub 942184610Salfred *------------------------------------------------------------------------*/ 943184610Salfredstatic void 944192984Sthompsaohci_check_transfer_sub(struct usb_xfer *xfer) 945184610Salfred{ 946184610Salfred ohci_td_t *td; 947184610Salfred ohci_ed_t *ed; 948184610Salfred uint32_t phy_start; 949184610Salfred uint32_t td_flags; 950184610Salfred uint32_t td_next; 951184610Salfred uint16_t cc; 952184610Salfred 953184610Salfred td = xfer->td_transfer_cache; 954184610Salfred 955184610Salfred while (1) { 956184610Salfred 957194228Sthompsa usb_pc_cpu_invalidate(td->page_cache); 958184610Salfred phy_start = le32toh(td->td_cbp); 959184610Salfred td_flags = le32toh(td->td_flags); 960184610Salfred td_next = le32toh(td->td_next); 961184610Salfred 962184610Salfred /* Check for last transfer */ 963184610Salfred if (((void *)td) == xfer->td_transfer_last) { 964184610Salfred /* the transfer is finished */ 965184610Salfred td = NULL; 966184610Salfred break; 967184610Salfred } 968184610Salfred /* Check transfer status */ 969184610Salfred cc = OHCI_TD_GET_CC(td_flags); 970184610Salfred if (cc) { 971184610Salfred /* the transfer is finished */ 972184610Salfred td = NULL; 973184610Salfred break; 974184610Salfred } 975184610Salfred /* 976184610Salfred * Check if we reached the last packet 977184610Salfred * or if there is a short packet: 978184610Salfred */ 979184610Salfred 980184610Salfred if (((td_next & (~0xF)) == OHCI_TD_NEXT_END) || phy_start) { 981184610Salfred /* follow alt next */ 982184610Salfred td = td->alt_next; 983184610Salfred break; 984184610Salfred } 985184610Salfred td = td->obj_next; 986184610Salfred } 987184610Salfred 988184610Salfred /* update transfer cache */ 989184610Salfred 990184610Salfred xfer->td_transfer_cache = td; 991184610Salfred 992184610Salfred if (td) { 993184610Salfred 994184610Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 995184610Salfred 996184610Salfred ed->ed_headp = td->td_self; 997194228Sthompsa usb_pc_cpu_flush(ed->page_cache); 998184610Salfred 999184610Salfred DPRINTFN(13, "xfer=%p following alt next\n", xfer); 1000190183Sthompsa 1001190183Sthompsa /* 1002190183Sthompsa * Make sure that the OHCI re-scans the schedule by 1003190183Sthompsa * writing the BLF and CLF bits: 1004190183Sthompsa */ 1005190183Sthompsa 1006191824Sthompsa if (xfer->xroot->udev->flags.self_suspended) { 1007190183Sthompsa /* nothing to do */ 1008193644Sthompsa } else if (xfer->endpoint->methods == &ohci_device_bulk_methods) { 1009190183Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1010190183Sthompsa 1011190183Sthompsa OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_BLF); 1012193644Sthompsa } else if (xfer->endpoint->methods == &ohci_device_ctrl_methods) { 1013190183Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1014190183Sthompsa 1015190183Sthompsa OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_CLF); 1016190183Sthompsa } 1017184610Salfred } 1018184610Salfred} 1019184610Salfred 1020184610Salfred/*------------------------------------------------------------------------* 1021184610Salfred * ohci_check_transfer 1022184610Salfred * 1023184610Salfred * Return values: 1024184610Salfred * 0: USB transfer is not finished 1025184610Salfred * Else: USB transfer is finished 1026184610Salfred *------------------------------------------------------------------------*/ 1027184610Salfredstatic uint8_t 1028192984Sthompsaohci_check_transfer(struct usb_xfer *xfer) 1029184610Salfred{ 1030184610Salfred ohci_ed_t *ed; 1031184610Salfred uint32_t ed_headp; 1032184610Salfred uint32_t ed_tailp; 1033184610Salfred 1034184610Salfred DPRINTFN(13, "xfer=%p checking transfer\n", xfer); 1035184610Salfred 1036184610Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 1037184610Salfred 1038194228Sthompsa usb_pc_cpu_invalidate(ed->page_cache); 1039184610Salfred ed_headp = le32toh(ed->ed_headp); 1040184610Salfred ed_tailp = le32toh(ed->ed_tailp); 1041184610Salfred 1042190183Sthompsa if ((ed_headp & OHCI_HALTED) || 1043184610Salfred (((ed_headp ^ ed_tailp) & (~0xF)) == 0)) { 1044193644Sthompsa if (xfer->endpoint->methods == &ohci_device_isoc_methods) { 1045184610Salfred /* isochronous transfer */ 1046184610Salfred ohci_isoc_done(xfer); 1047184610Salfred } else { 1048184610Salfred if (xfer->flags_int.short_frames_ok) { 1049184610Salfred ohci_check_transfer_sub(xfer); 1050184610Salfred if (xfer->td_transfer_cache) { 1051184610Salfred /* not finished yet */ 1052184610Salfred return (0); 1053184610Salfred } 1054184610Salfred } 1055184610Salfred /* store data-toggle */ 1056184610Salfred if (ed_headp & OHCI_TOGGLECARRY) { 1057193644Sthompsa xfer->endpoint->toggle_next = 1; 1058184610Salfred } else { 1059193644Sthompsa xfer->endpoint->toggle_next = 0; 1060184610Salfred } 1061184610Salfred 1062184610Salfred /* non-isochronous transfer */ 1063184610Salfred ohci_non_isoc_done(xfer); 1064184610Salfred } 1065184610Salfred return (1); 1066184610Salfred } 1067184610Salfred DPRINTFN(13, "xfer=%p is still active\n", xfer); 1068184610Salfred return (0); 1069184610Salfred} 1070184610Salfred 1071184610Salfredstatic void 1072184610Salfredohci_rhsc_enable(ohci_softc_t *sc) 1073184610Salfred{ 1074184610Salfred DPRINTFN(5, "\n"); 1075184610Salfred 1076184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 1077184610Salfred 1078184610Salfred sc->sc_eintrs |= OHCI_RHSC; 1079184610Salfred OWRITE4(sc, OHCI_INTERRUPT_ENABLE, OHCI_RHSC); 1080184610Salfred 1081184610Salfred /* acknowledge any RHSC interrupt */ 1082184610Salfred OWRITE4(sc, OHCI_INTERRUPT_STATUS, OHCI_RHSC); 1083184610Salfred 1084190735Sthompsa ohci_root_intr(sc); 1085184610Salfred} 1086184610Salfred 1087184610Salfredstatic void 1088184610Salfredohci_interrupt_poll(ohci_softc_t *sc) 1089184610Salfred{ 1090192984Sthompsa struct usb_xfer *xfer; 1091184610Salfred 1092184610Salfredrepeat: 1093184610Salfred TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { 1094184610Salfred /* 1095184610Salfred * check if transfer is transferred 1096184610Salfred */ 1097184610Salfred if (ohci_check_transfer(xfer)) { 1098184610Salfred /* queue has been modified */ 1099184610Salfred goto repeat; 1100184610Salfred } 1101184610Salfred } 1102184610Salfred} 1103184610Salfred 1104184610Salfred/*------------------------------------------------------------------------* 1105184610Salfred * ohci_interrupt - OHCI interrupt handler 1106184610Salfred * 1107184610Salfred * NOTE: Do not access "sc->sc_bus.bdev" inside the interrupt handler, 1108184610Salfred * hence the interrupt handler will be setup before "sc->sc_bus.bdev" 1109184610Salfred * is present ! 1110184610Salfred *------------------------------------------------------------------------*/ 1111184610Salfredvoid 1112184610Salfredohci_interrupt(ohci_softc_t *sc) 1113184610Salfred{ 1114184610Salfred struct ohci_hcca *hcca; 1115184610Salfred uint32_t status; 1116184610Salfred uint32_t done; 1117184610Salfred 1118184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 1119184610Salfred 1120184610Salfred hcca = ohci_get_hcca(sc); 1121184610Salfred 1122184610Salfred DPRINTFN(16, "real interrupt\n"); 1123184610Salfred 1124194677Sthompsa#ifdef USB_DEBUG 1125184610Salfred if (ohcidebug > 15) { 1126184610Salfred ohci_dumpregs(sc); 1127184610Salfred } 1128184610Salfred#endif 1129184610Salfred 1130184610Salfred done = le32toh(hcca->hcca_done_head); 1131184610Salfred 1132184610Salfred /* 1133184610Salfred * The LSb of done is used to inform the HC Driver that an interrupt 1134184610Salfred * condition exists for both the Done list and for another event 1135184610Salfred * recorded in HcInterruptStatus. On an interrupt from the HC, the 1136184610Salfred * HC Driver checks the HccaDoneHead Value. If this value is 0, then 1137184610Salfred * the interrupt was caused by other than the HccaDoneHead update 1138184610Salfred * and the HcInterruptStatus register needs to be accessed to 1139184610Salfred * determine that exact interrupt cause. If HccaDoneHead is nonzero, 1140184610Salfred * then a Done list update interrupt is indicated and if the LSb of 1141184610Salfred * done is nonzero, then an additional interrupt event is indicated 1142184610Salfred * and HcInterruptStatus should be checked to determine its cause. 1143184610Salfred */ 1144184610Salfred if (done != 0) { 1145184610Salfred status = 0; 1146184610Salfred 1147184610Salfred if (done & ~OHCI_DONE_INTRS) { 1148184610Salfred status |= OHCI_WDH; 1149184610Salfred } 1150184610Salfred if (done & OHCI_DONE_INTRS) { 1151184610Salfred status |= OREAD4(sc, OHCI_INTERRUPT_STATUS); 1152184610Salfred } 1153184610Salfred hcca->hcca_done_head = 0; 1154184610Salfred 1155194228Sthompsa usb_pc_cpu_flush(&sc->sc_hw.hcca_pc); 1156184610Salfred } else { 1157184610Salfred status = OREAD4(sc, OHCI_INTERRUPT_STATUS) & ~OHCI_WDH; 1158184610Salfred } 1159184610Salfred 1160184610Salfred status &= ~OHCI_MIE; 1161184610Salfred if (status == 0) { 1162184610Salfred /* 1163184610Salfred * nothing to be done (PCI shared 1164184610Salfred * interrupt) 1165184610Salfred */ 1166184610Salfred goto done; 1167184610Salfred } 1168184610Salfred OWRITE4(sc, OHCI_INTERRUPT_STATUS, status); /* Acknowledge */ 1169184610Salfred 1170184610Salfred status &= sc->sc_eintrs; 1171184610Salfred if (status == 0) { 1172184610Salfred goto done; 1173184610Salfred } 1174184610Salfred if (status & (OHCI_SO | OHCI_RD | OHCI_UE | OHCI_RHSC)) { 1175184610Salfred#if 0 1176184610Salfred if (status & OHCI_SO) { 1177184610Salfred /* XXX do what */ 1178184610Salfred } 1179184610Salfred#endif 1180184610Salfred if (status & OHCI_RD) { 1181184610Salfred printf("%s: resume detect\n", __FUNCTION__); 1182184610Salfred /* XXX process resume detect */ 1183184610Salfred } 1184184610Salfred if (status & OHCI_UE) { 1185184610Salfred printf("%s: unrecoverable error, " 1186184610Salfred "controller halted\n", __FUNCTION__); 1187184610Salfred OWRITE4(sc, OHCI_CONTROL, OHCI_HCFS_RESET); 1188184610Salfred /* XXX what else */ 1189184610Salfred } 1190184610Salfred if (status & OHCI_RHSC) { 1191184610Salfred /* 1192184610Salfred * Disable RHSC interrupt for now, because it will be 1193184610Salfred * on until the port has been reset. 1194184610Salfred */ 1195184610Salfred sc->sc_eintrs &= ~OHCI_RHSC; 1196184610Salfred OWRITE4(sc, OHCI_INTERRUPT_DISABLE, OHCI_RHSC); 1197184610Salfred 1198190735Sthompsa ohci_root_intr(sc); 1199184610Salfred 1200184610Salfred /* do not allow RHSC interrupts > 1 per second */ 1201194228Sthompsa usb_callout_reset(&sc->sc_tmo_rhsc, hz, 1202184610Salfred (void *)&ohci_rhsc_enable, sc); 1203184610Salfred } 1204184610Salfred } 1205184610Salfred status &= ~(OHCI_RHSC | OHCI_WDH | OHCI_SO); 1206184610Salfred if (status != 0) { 1207184610Salfred /* Block unprocessed interrupts. XXX */ 1208184610Salfred OWRITE4(sc, OHCI_INTERRUPT_DISABLE, status); 1209184610Salfred sc->sc_eintrs &= ~status; 1210184610Salfred printf("%s: blocking intrs 0x%x\n", 1211184610Salfred __FUNCTION__, status); 1212184610Salfred } 1213184610Salfred /* poll all the USB transfers */ 1214184610Salfred ohci_interrupt_poll(sc); 1215184610Salfred 1216184610Salfreddone: 1217184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1218184610Salfred} 1219184610Salfred 1220184610Salfred/* 1221184610Salfred * called when a request does not complete 1222184610Salfred */ 1223184610Salfredstatic void 1224184610Salfredohci_timeout(void *arg) 1225184610Salfred{ 1226192984Sthompsa struct usb_xfer *xfer = arg; 1227184610Salfred 1228184610Salfred DPRINTF("xfer=%p\n", xfer); 1229184610Salfred 1230187173Sthompsa USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); 1231184610Salfred 1232184610Salfred /* transfer is transferred */ 1233184610Salfred ohci_device_done(xfer, USB_ERR_TIMEOUT); 1234184610Salfred} 1235184610Salfred 1236184610Salfredstatic void 1237192984Sthompsaohci_do_poll(struct usb_bus *bus) 1238184610Salfred{ 1239184610Salfred struct ohci_softc *sc = OHCI_BUS2SC(bus); 1240184610Salfred 1241184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 1242184610Salfred ohci_interrupt_poll(sc); 1243184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1244184610Salfred} 1245184610Salfred 1246184610Salfredstatic void 1247184610Salfredohci_setup_standard_chain_sub(struct ohci_std_temp *temp) 1248184610Salfred{ 1249192984Sthompsa struct usb_page_search buf_res; 1250184610Salfred ohci_td_t *td; 1251184610Salfred ohci_td_t *td_next; 1252184610Salfred ohci_td_t *td_alt_next; 1253184610Salfred uint32_t buf_offset; 1254184610Salfred uint32_t average; 1255184610Salfred uint32_t len_old; 1256184610Salfred uint8_t shortpkt_old; 1257184610Salfred uint8_t precompute; 1258184610Salfred 1259184610Salfred td_alt_next = NULL; 1260184610Salfred buf_offset = 0; 1261184610Salfred shortpkt_old = temp->shortpkt; 1262184610Salfred len_old = temp->len; 1263184610Salfred precompute = 1; 1264184610Salfred 1265184610Salfred /* software is used to detect short incoming transfers */ 1266184610Salfred 1267184610Salfred if ((temp->td_flags & htole32(OHCI_TD_DP_MASK)) == htole32(OHCI_TD_IN)) { 1268184610Salfred temp->td_flags |= htole32(OHCI_TD_R); 1269184610Salfred } else { 1270184610Salfred temp->td_flags &= ~htole32(OHCI_TD_R); 1271184610Salfred } 1272184610Salfred 1273184610Salfredrestart: 1274184610Salfred 1275184610Salfred td = temp->td; 1276184610Salfred td_next = temp->td_next; 1277184610Salfred 1278184610Salfred while (1) { 1279184610Salfred 1280184610Salfred if (temp->len == 0) { 1281184610Salfred 1282184610Salfred if (temp->shortpkt) { 1283184610Salfred break; 1284184610Salfred } 1285184610Salfred /* send a Zero Length Packet, ZLP, last */ 1286184610Salfred 1287184610Salfred temp->shortpkt = 1; 1288184610Salfred average = 0; 1289184610Salfred 1290184610Salfred } else { 1291184610Salfred 1292184610Salfred average = temp->average; 1293184610Salfred 1294184610Salfred if (temp->len < average) { 1295184610Salfred if (temp->len % temp->max_frame_size) { 1296184610Salfred temp->shortpkt = 1; 1297184610Salfred } 1298184610Salfred average = temp->len; 1299184610Salfred } 1300184610Salfred } 1301184610Salfred 1302184610Salfred if (td_next == NULL) { 1303184610Salfred panic("%s: out of OHCI transfer descriptors!", __FUNCTION__); 1304184610Salfred } 1305184610Salfred /* get next TD */ 1306184610Salfred 1307184610Salfred td = td_next; 1308184610Salfred td_next = td->obj_next; 1309184610Salfred 1310184610Salfred /* check if we are pre-computing */ 1311184610Salfred 1312184610Salfred if (precompute) { 1313184610Salfred 1314184610Salfred /* update remaining length */ 1315184610Salfred 1316184610Salfred temp->len -= average; 1317184610Salfred 1318184610Salfred continue; 1319184610Salfred } 1320184610Salfred /* fill out current TD */ 1321184610Salfred td->td_flags = temp->td_flags; 1322184610Salfred 1323184610Salfred /* the next TD uses TOGGLE_CARRY */ 1324184610Salfred temp->td_flags &= ~htole32(OHCI_TD_TOGGLE_MASK); 1325184610Salfred 1326184610Salfred if (average == 0) { 1327190471Sthompsa /* 1328190471Sthompsa * The buffer start and end phys addresses should be 1329190471Sthompsa * 0x0 for a zero length packet. 1330190471Sthompsa */ 1331184610Salfred td->td_cbp = 0; 1332190471Sthompsa td->td_be = 0; 1333184610Salfred td->len = 0; 1334184610Salfred 1335184610Salfred } else { 1336184610Salfred 1337194228Sthompsa usbd_get_page(temp->pc, buf_offset, &buf_res); 1338184610Salfred td->td_cbp = htole32(buf_res.physaddr); 1339184610Salfred buf_offset += (average - 1); 1340184610Salfred 1341194228Sthompsa usbd_get_page(temp->pc, buf_offset, &buf_res); 1342184610Salfred td->td_be = htole32(buf_res.physaddr); 1343184610Salfred buf_offset++; 1344184610Salfred 1345184610Salfred td->len = average; 1346184610Salfred 1347184610Salfred /* update remaining length */ 1348184610Salfred 1349184610Salfred temp->len -= average; 1350184610Salfred } 1351184610Salfred 1352184610Salfred if ((td_next == td_alt_next) && temp->setup_alt_next) { 1353184610Salfred /* we need to receive these frames one by one ! */ 1354184610Salfred td->td_flags &= htole32(~OHCI_TD_INTR_MASK); 1355184610Salfred td->td_flags |= htole32(OHCI_TD_SET_DI(1)); 1356184610Salfred td->td_next = htole32(OHCI_TD_NEXT_END); 1357184610Salfred } else { 1358184610Salfred if (td_next) { 1359184610Salfred /* link the current TD with the next one */ 1360184610Salfred td->td_next = td_next->td_self; 1361184610Salfred } 1362184610Salfred } 1363184610Salfred 1364184610Salfred td->alt_next = td_alt_next; 1365184610Salfred 1366194228Sthompsa usb_pc_cpu_flush(td->page_cache); 1367184610Salfred } 1368184610Salfred 1369184610Salfred if (precompute) { 1370184610Salfred precompute = 0; 1371184610Salfred 1372184610Salfred /* setup alt next pointer, if any */ 1373190183Sthompsa if (temp->last_frame) { 1374190183Sthompsa /* no alternate next */ 1375190183Sthompsa td_alt_next = NULL; 1376184610Salfred } else { 1377184610Salfred /* we use this field internally */ 1378184610Salfred td_alt_next = td_next; 1379184610Salfred } 1380184610Salfred 1381184610Salfred /* restore */ 1382184610Salfred temp->shortpkt = shortpkt_old; 1383184610Salfred temp->len = len_old; 1384184610Salfred goto restart; 1385184610Salfred } 1386184610Salfred temp->td = td; 1387184610Salfred temp->td_next = td_next; 1388184610Salfred} 1389184610Salfred 1390184610Salfredstatic void 1391192984Sthompsaohci_setup_standard_chain(struct usb_xfer *xfer, ohci_ed_t **ed_last) 1392184610Salfred{ 1393184610Salfred struct ohci_std_temp temp; 1394192984Sthompsa struct usb_pipe_methods *methods; 1395184610Salfred ohci_ed_t *ed; 1396184610Salfred ohci_td_t *td; 1397184610Salfred uint32_t ed_flags; 1398184610Salfred uint32_t x; 1399184610Salfred 1400184610Salfred DPRINTFN(9, "addr=%d endpt=%d sumlen=%d speed=%d\n", 1401193644Sthompsa xfer->address, UE_GET_ADDR(xfer->endpointno), 1402194228Sthompsa xfer->sumlen, usbd_get_speed(xfer->xroot->udev)); 1403184610Salfred 1404190181Sthompsa temp.average = xfer->max_hc_frame_size; 1405184610Salfred temp.max_frame_size = xfer->max_frame_size; 1406184610Salfred 1407184610Salfred /* toggle the DMA set we are using */ 1408184610Salfred xfer->flags_int.curr_dma_set ^= 1; 1409184610Salfred 1410184610Salfred /* get next DMA set */ 1411184610Salfred td = xfer->td_start[xfer->flags_int.curr_dma_set]; 1412184610Salfred 1413184610Salfred xfer->td_transfer_first = td; 1414184610Salfred xfer->td_transfer_cache = td; 1415184610Salfred 1416184610Salfred temp.td = NULL; 1417184610Salfred temp.td_next = td; 1418190183Sthompsa temp.last_frame = 0; 1419184610Salfred temp.setup_alt_next = xfer->flags_int.short_frames_ok; 1420184610Salfred 1421193644Sthompsa methods = xfer->endpoint->methods; 1422184610Salfred 1423184610Salfred /* check if we should prepend a setup message */ 1424184610Salfred 1425184610Salfred if (xfer->flags_int.control_xfr) { 1426184610Salfred if (xfer->flags_int.control_hdr) { 1427184610Salfred 1428184610Salfred temp.td_flags = htole32(OHCI_TD_SETUP | OHCI_TD_NOCC | 1429184610Salfred OHCI_TD_TOGGLE_0 | OHCI_TD_NOINTR); 1430184610Salfred 1431184610Salfred temp.len = xfer->frlengths[0]; 1432184610Salfred temp.pc = xfer->frbuffers + 0; 1433184610Salfred temp.shortpkt = temp.len ? 1 : 0; 1434190183Sthompsa /* check for last frame */ 1435190183Sthompsa if (xfer->nframes == 1) { 1436190183Sthompsa /* no STATUS stage yet, SETUP is last */ 1437190183Sthompsa if (xfer->flags_int.control_act) { 1438190183Sthompsa temp.last_frame = 1; 1439190183Sthompsa temp.setup_alt_next = 0; 1440190183Sthompsa } 1441190183Sthompsa } 1442184610Salfred ohci_setup_standard_chain_sub(&temp); 1443184610Salfred 1444184610Salfred /* 1445184610Salfred * XXX assume that the setup message is 1446184610Salfred * contained within one USB packet: 1447184610Salfred */ 1448193644Sthompsa xfer->endpoint->toggle_next = 1; 1449184610Salfred } 1450184610Salfred x = 1; 1451184610Salfred } else { 1452184610Salfred x = 0; 1453184610Salfred } 1454184610Salfred temp.td_flags = htole32(OHCI_TD_NOCC | OHCI_TD_NOINTR); 1455184610Salfred 1456184610Salfred /* set data toggle */ 1457184610Salfred 1458193644Sthompsa if (xfer->endpoint->toggle_next) { 1459184610Salfred temp.td_flags |= htole32(OHCI_TD_TOGGLE_1); 1460184610Salfred } else { 1461184610Salfred temp.td_flags |= htole32(OHCI_TD_TOGGLE_0); 1462184610Salfred } 1463184610Salfred 1464184610Salfred /* set endpoint direction */ 1465184610Salfred 1466193644Sthompsa if (UE_GET_DIR(xfer->endpointno) == UE_DIR_IN) { 1467184610Salfred temp.td_flags |= htole32(OHCI_TD_IN); 1468184610Salfred } else { 1469184610Salfred temp.td_flags |= htole32(OHCI_TD_OUT); 1470184610Salfred } 1471184610Salfred 1472184610Salfred while (x != xfer->nframes) { 1473184610Salfred 1474184610Salfred /* DATA0 / DATA1 message */ 1475184610Salfred 1476184610Salfred temp.len = xfer->frlengths[x]; 1477184610Salfred temp.pc = xfer->frbuffers + x; 1478184610Salfred 1479184610Salfred x++; 1480184610Salfred 1481184610Salfred if (x == xfer->nframes) { 1482190183Sthompsa if (xfer->flags_int.control_xfr) { 1483190183Sthompsa /* no STATUS stage yet, DATA is last */ 1484190183Sthompsa if (xfer->flags_int.control_act) { 1485190183Sthompsa temp.last_frame = 1; 1486190183Sthompsa temp.setup_alt_next = 0; 1487190183Sthompsa } 1488190183Sthompsa } else { 1489190183Sthompsa temp.last_frame = 1; 1490190183Sthompsa temp.setup_alt_next = 0; 1491190183Sthompsa } 1492184610Salfred } 1493184610Salfred if (temp.len == 0) { 1494184610Salfred 1495184610Salfred /* make sure that we send an USB packet */ 1496184610Salfred 1497184610Salfred temp.shortpkt = 0; 1498184610Salfred 1499184610Salfred } else { 1500184610Salfred 1501184610Salfred /* regular data transfer */ 1502184610Salfred 1503184610Salfred temp.shortpkt = (xfer->flags.force_short_xfer) ? 0 : 1; 1504184610Salfred } 1505184610Salfred 1506184610Salfred ohci_setup_standard_chain_sub(&temp); 1507184610Salfred } 1508184610Salfred 1509184610Salfred /* check if we should append a status stage */ 1510184610Salfred 1511184610Salfred if (xfer->flags_int.control_xfr && 1512184610Salfred !xfer->flags_int.control_act) { 1513184610Salfred 1514184610Salfred /* 1515184610Salfred * Send a DATA1 message and invert the current endpoint 1516184610Salfred * direction. 1517184610Salfred */ 1518184610Salfred 1519184610Salfred /* set endpoint direction and data toggle */ 1520184610Salfred 1521193644Sthompsa if (UE_GET_DIR(xfer->endpointno) == UE_DIR_IN) { 1522184610Salfred temp.td_flags = htole32(OHCI_TD_OUT | 1523184610Salfred OHCI_TD_NOCC | OHCI_TD_TOGGLE_1 | OHCI_TD_SET_DI(1)); 1524184610Salfred } else { 1525184610Salfred temp.td_flags = htole32(OHCI_TD_IN | 1526184610Salfred OHCI_TD_NOCC | OHCI_TD_TOGGLE_1 | OHCI_TD_SET_DI(1)); 1527184610Salfred } 1528184610Salfred 1529184610Salfred temp.len = 0; 1530184610Salfred temp.pc = NULL; 1531184610Salfred temp.shortpkt = 0; 1532190183Sthompsa temp.last_frame = 1; 1533190183Sthompsa temp.setup_alt_next = 0; 1534184610Salfred 1535184610Salfred ohci_setup_standard_chain_sub(&temp); 1536184610Salfred } 1537184610Salfred td = temp.td; 1538184610Salfred 1539190183Sthompsa /* Ensure that last TD is terminating: */ 1540184610Salfred td->td_next = htole32(OHCI_TD_NEXT_END); 1541184610Salfred td->td_flags &= ~htole32(OHCI_TD_INTR_MASK); 1542184610Salfred td->td_flags |= htole32(OHCI_TD_SET_DI(1)); 1543184610Salfred 1544194228Sthompsa usb_pc_cpu_flush(td->page_cache); 1545184610Salfred 1546184610Salfred /* must have at least one frame! */ 1547184610Salfred 1548184610Salfred xfer->td_transfer_last = td; 1549184610Salfred 1550194677Sthompsa#ifdef USB_DEBUG 1551184610Salfred if (ohcidebug > 8) { 1552184610Salfred DPRINTF("nexttog=%d; data before transfer:\n", 1553193644Sthompsa xfer->endpoint->toggle_next); 1554184610Salfred ohci_dump_tds(xfer->td_transfer_first); 1555184610Salfred } 1556184610Salfred#endif 1557184610Salfred 1558184610Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 1559184610Salfred 1560184610Salfred ed_flags = (OHCI_ED_SET_FA(xfer->address) | 1561193644Sthompsa OHCI_ED_SET_EN(UE_GET_ADDR(xfer->endpointno)) | 1562184610Salfred OHCI_ED_SET_MAXP(xfer->max_frame_size)); 1563184610Salfred 1564184610Salfred ed_flags |= (OHCI_ED_FORMAT_GEN | OHCI_ED_DIR_TD); 1565184610Salfred 1566187173Sthompsa if (xfer->xroot->udev->speed == USB_SPEED_LOW) { 1567184610Salfred ed_flags |= OHCI_ED_SPEED; 1568184610Salfred } 1569184610Salfred ed->ed_flags = htole32(ed_flags); 1570184610Salfred 1571184610Salfred td = xfer->td_transfer_first; 1572184610Salfred 1573186730Salfred ed->ed_headp = td->td_self; 1574184610Salfred 1575191824Sthompsa if (xfer->xroot->udev->flags.self_suspended == 0) { 1576187167Sthompsa /* the append function will flush the endpoint descriptor */ 1577186730Salfred OHCI_APPEND_QH(ed, *ed_last); 1578184610Salfred 1579186730Salfred if (methods == &ohci_device_bulk_methods) { 1580187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1581184610Salfred 1582186730Salfred OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_BLF); 1583186730Salfred } 1584186730Salfred if (methods == &ohci_device_ctrl_methods) { 1585187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1586186730Salfred 1587186730Salfred OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_CLF); 1588186730Salfred } 1589186730Salfred } else { 1590194228Sthompsa usb_pc_cpu_flush(ed->page_cache); 1591184610Salfred } 1592184610Salfred} 1593184610Salfred 1594184610Salfredstatic void 1595190735Sthompsaohci_root_intr(ohci_softc_t *sc) 1596184610Salfred{ 1597184610Salfred uint32_t hstatus; 1598184610Salfred uint16_t i; 1599184610Salfred uint16_t m; 1600184610Salfred 1601184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 1602184610Salfred 1603184610Salfred /* clear any old interrupt data */ 1604190735Sthompsa memset(sc->sc_hub_idata, 0, sizeof(sc->sc_hub_idata)); 1605184610Salfred 1606184610Salfred hstatus = OREAD4(sc, OHCI_RH_STATUS); 1607190735Sthompsa DPRINTF("sc=%p hstatus=0x%08x\n", 1608190735Sthompsa sc, hstatus); 1609184610Salfred 1610184610Salfred /* set bits */ 1611184610Salfred m = (sc->sc_noport + 1); 1612184610Salfred if (m > (8 * sizeof(sc->sc_hub_idata))) { 1613184610Salfred m = (8 * sizeof(sc->sc_hub_idata)); 1614184610Salfred } 1615184610Salfred for (i = 1; i < m; i++) { 1616184610Salfred /* pick out CHANGE bits from the status register */ 1617184610Salfred if (OREAD4(sc, OHCI_RH_PORT_STATUS(i)) >> 16) { 1618184610Salfred sc->sc_hub_idata[i / 8] |= 1 << (i % 8); 1619184610Salfred DPRINTF("port %d changed\n", i); 1620184610Salfred } 1621184610Salfred } 1622190735Sthompsa 1623190735Sthompsa uhub_root_intr(&sc->sc_bus, sc->sc_hub_idata, 1624190735Sthompsa sizeof(sc->sc_hub_idata)); 1625184610Salfred} 1626184610Salfred 1627184610Salfred/* NOTE: "done" can be run two times in a row, 1628184610Salfred * from close and from interrupt 1629184610Salfred */ 1630184610Salfredstatic void 1631193045Sthompsaohci_device_done(struct usb_xfer *xfer, usb_error_t error) 1632184610Salfred{ 1633193644Sthompsa struct usb_pipe_methods *methods = xfer->endpoint->methods; 1634187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1635184610Salfred ohci_ed_t *ed; 1636184610Salfred 1637184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 1638184610Salfred 1639184610Salfred 1640193644Sthompsa DPRINTFN(2, "xfer=%p, endpoint=%p, error=%d\n", 1641193644Sthompsa xfer, xfer->endpoint, error); 1642184610Salfred 1643184610Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 1644184610Salfred if (ed) { 1645194228Sthompsa usb_pc_cpu_invalidate(ed->page_cache); 1646184610Salfred } 1647184610Salfred if (methods == &ohci_device_bulk_methods) { 1648184610Salfred OHCI_REMOVE_QH(ed, sc->sc_bulk_p_last); 1649184610Salfred } 1650184610Salfred if (methods == &ohci_device_ctrl_methods) { 1651184610Salfred OHCI_REMOVE_QH(ed, sc->sc_ctrl_p_last); 1652184610Salfred } 1653184610Salfred if (methods == &ohci_device_intr_methods) { 1654184610Salfred OHCI_REMOVE_QH(ed, sc->sc_intr_p_last[xfer->qh_pos]); 1655184610Salfred } 1656184610Salfred if (methods == &ohci_device_isoc_methods) { 1657184610Salfred OHCI_REMOVE_QH(ed, sc->sc_isoc_p_last); 1658184610Salfred } 1659184610Salfred xfer->td_transfer_first = NULL; 1660184610Salfred xfer->td_transfer_last = NULL; 1661184610Salfred 1662184610Salfred /* dequeue transfer and start next transfer */ 1663194228Sthompsa usbd_transfer_done(xfer, error); 1664184610Salfred} 1665184610Salfred 1666184610Salfred/*------------------------------------------------------------------------* 1667184610Salfred * ohci bulk support 1668184610Salfred *------------------------------------------------------------------------*/ 1669184610Salfredstatic void 1670192984Sthompsaohci_device_bulk_open(struct usb_xfer *xfer) 1671184610Salfred{ 1672184610Salfred return; 1673184610Salfred} 1674184610Salfred 1675184610Salfredstatic void 1676192984Sthompsaohci_device_bulk_close(struct usb_xfer *xfer) 1677184610Salfred{ 1678184610Salfred ohci_device_done(xfer, USB_ERR_CANCELLED); 1679184610Salfred} 1680184610Salfred 1681184610Salfredstatic void 1682192984Sthompsaohci_device_bulk_enter(struct usb_xfer *xfer) 1683184610Salfred{ 1684184610Salfred return; 1685184610Salfred} 1686184610Salfred 1687184610Salfredstatic void 1688192984Sthompsaohci_device_bulk_start(struct usb_xfer *xfer) 1689184610Salfred{ 1690187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1691184610Salfred 1692184610Salfred /* setup TD's and QH */ 1693184610Salfred ohci_setup_standard_chain(xfer, &sc->sc_bulk_p_last); 1694184610Salfred 1695184610Salfred /* put transfer on interrupt queue */ 1696184610Salfred ohci_transfer_intr_enqueue(xfer); 1697184610Salfred} 1698184610Salfred 1699192984Sthompsastruct usb_pipe_methods ohci_device_bulk_methods = 1700184610Salfred{ 1701184610Salfred .open = ohci_device_bulk_open, 1702184610Salfred .close = ohci_device_bulk_close, 1703184610Salfred .enter = ohci_device_bulk_enter, 1704184610Salfred .start = ohci_device_bulk_start, 1705184610Salfred}; 1706184610Salfred 1707184610Salfred/*------------------------------------------------------------------------* 1708184610Salfred * ohci control support 1709184610Salfred *------------------------------------------------------------------------*/ 1710184610Salfredstatic void 1711192984Sthompsaohci_device_ctrl_open(struct usb_xfer *xfer) 1712184610Salfred{ 1713184610Salfred return; 1714184610Salfred} 1715184610Salfred 1716184610Salfredstatic void 1717192984Sthompsaohci_device_ctrl_close(struct usb_xfer *xfer) 1718184610Salfred{ 1719184610Salfred ohci_device_done(xfer, USB_ERR_CANCELLED); 1720184610Salfred} 1721184610Salfred 1722184610Salfredstatic void 1723192984Sthompsaohci_device_ctrl_enter(struct usb_xfer *xfer) 1724184610Salfred{ 1725184610Salfred return; 1726184610Salfred} 1727184610Salfred 1728184610Salfredstatic void 1729192984Sthompsaohci_device_ctrl_start(struct usb_xfer *xfer) 1730184610Salfred{ 1731187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1732184610Salfred 1733184610Salfred /* setup TD's and QH */ 1734184610Salfred ohci_setup_standard_chain(xfer, &sc->sc_ctrl_p_last); 1735184610Salfred 1736184610Salfred /* put transfer on interrupt queue */ 1737184610Salfred ohci_transfer_intr_enqueue(xfer); 1738184610Salfred} 1739184610Salfred 1740192984Sthompsastruct usb_pipe_methods ohci_device_ctrl_methods = 1741184610Salfred{ 1742184610Salfred .open = ohci_device_ctrl_open, 1743184610Salfred .close = ohci_device_ctrl_close, 1744184610Salfred .enter = ohci_device_ctrl_enter, 1745184610Salfred .start = ohci_device_ctrl_start, 1746184610Salfred}; 1747184610Salfred 1748184610Salfred/*------------------------------------------------------------------------* 1749184610Salfred * ohci interrupt support 1750184610Salfred *------------------------------------------------------------------------*/ 1751184610Salfredstatic void 1752192984Sthompsaohci_device_intr_open(struct usb_xfer *xfer) 1753184610Salfred{ 1754187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1755184610Salfred uint16_t best; 1756184610Salfred uint16_t bit; 1757184610Salfred uint16_t x; 1758184610Salfred 1759184610Salfred best = 0; 1760184610Salfred bit = OHCI_NO_EDS / 2; 1761184610Salfred while (bit) { 1762184610Salfred if (xfer->interval >= bit) { 1763184610Salfred x = bit; 1764184610Salfred best = bit; 1765184610Salfred while (x & bit) { 1766184610Salfred if (sc->sc_intr_stat[x] < 1767184610Salfred sc->sc_intr_stat[best]) { 1768184610Salfred best = x; 1769184610Salfred } 1770184610Salfred x++; 1771184610Salfred } 1772184610Salfred break; 1773184610Salfred } 1774184610Salfred bit >>= 1; 1775184610Salfred } 1776184610Salfred 1777184610Salfred sc->sc_intr_stat[best]++; 1778184610Salfred xfer->qh_pos = best; 1779184610Salfred 1780184610Salfred DPRINTFN(3, "best=%d interval=%d\n", 1781184610Salfred best, xfer->interval); 1782184610Salfred} 1783184610Salfred 1784184610Salfredstatic void 1785192984Sthompsaohci_device_intr_close(struct usb_xfer *xfer) 1786184610Salfred{ 1787187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1788184610Salfred 1789184610Salfred sc->sc_intr_stat[xfer->qh_pos]--; 1790184610Salfred 1791184610Salfred ohci_device_done(xfer, USB_ERR_CANCELLED); 1792184610Salfred} 1793184610Salfred 1794184610Salfredstatic void 1795192984Sthompsaohci_device_intr_enter(struct usb_xfer *xfer) 1796184610Salfred{ 1797184610Salfred return; 1798184610Salfred} 1799184610Salfred 1800184610Salfredstatic void 1801192984Sthompsaohci_device_intr_start(struct usb_xfer *xfer) 1802184610Salfred{ 1803187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1804184610Salfred 1805184610Salfred /* setup TD's and QH */ 1806184610Salfred ohci_setup_standard_chain(xfer, &sc->sc_intr_p_last[xfer->qh_pos]); 1807184610Salfred 1808184610Salfred /* put transfer on interrupt queue */ 1809184610Salfred ohci_transfer_intr_enqueue(xfer); 1810184610Salfred} 1811184610Salfred 1812192984Sthompsastruct usb_pipe_methods ohci_device_intr_methods = 1813184610Salfred{ 1814184610Salfred .open = ohci_device_intr_open, 1815184610Salfred .close = ohci_device_intr_close, 1816184610Salfred .enter = ohci_device_intr_enter, 1817184610Salfred .start = ohci_device_intr_start, 1818184610Salfred}; 1819184610Salfred 1820184610Salfred/*------------------------------------------------------------------------* 1821184610Salfred * ohci isochronous support 1822184610Salfred *------------------------------------------------------------------------*/ 1823184610Salfredstatic void 1824192984Sthompsaohci_device_isoc_open(struct usb_xfer *xfer) 1825184610Salfred{ 1826184610Salfred return; 1827184610Salfred} 1828184610Salfred 1829184610Salfredstatic void 1830192984Sthompsaohci_device_isoc_close(struct usb_xfer *xfer) 1831184610Salfred{ 1832184610Salfred /**/ 1833184610Salfred ohci_device_done(xfer, USB_ERR_CANCELLED); 1834184610Salfred} 1835184610Salfred 1836184610Salfredstatic void 1837192984Sthompsaohci_device_isoc_enter(struct usb_xfer *xfer) 1838184610Salfred{ 1839192984Sthompsa struct usb_page_search buf_res; 1840187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1841184610Salfred struct ohci_hcca *hcca; 1842184610Salfred uint32_t buf_offset; 1843184610Salfred uint32_t nframes; 1844184610Salfred uint32_t ed_flags; 1845184610Salfred uint32_t *plen; 1846184610Salfred uint16_t itd_offset[OHCI_ITD_NOFFSET]; 1847184610Salfred uint16_t length; 1848184610Salfred uint8_t ncur; 1849184610Salfred ohci_itd_t *td; 1850184610Salfred ohci_itd_t *td_last = NULL; 1851184610Salfred ohci_ed_t *ed; 1852184610Salfred 1853184610Salfred hcca = ohci_get_hcca(sc); 1854184610Salfred 1855184610Salfred nframes = le32toh(hcca->hcca_frame_number); 1856184610Salfred 1857184610Salfred DPRINTFN(6, "xfer=%p isoc_next=%u nframes=%u hcca_fn=%u\n", 1858193644Sthompsa xfer, xfer->endpoint->isoc_next, xfer->nframes, nframes); 1859184610Salfred 1860193644Sthompsa if ((xfer->endpoint->is_synced == 0) || 1861193644Sthompsa (((nframes - xfer->endpoint->isoc_next) & 0xFFFF) < xfer->nframes) || 1862193644Sthompsa (((xfer->endpoint->isoc_next - nframes) & 0xFFFF) >= 128)) { 1863184610Salfred /* 1864184610Salfred * If there is data underflow or the pipe queue is empty we 1865184610Salfred * schedule the transfer a few frames ahead of the current 1866184610Salfred * frame position. Else two isochronous transfers might 1867184610Salfred * overlap. 1868184610Salfred */ 1869193644Sthompsa xfer->endpoint->isoc_next = (nframes + 3) & 0xFFFF; 1870193644Sthompsa xfer->endpoint->is_synced = 1; 1871193644Sthompsa DPRINTFN(3, "start next=%d\n", xfer->endpoint->isoc_next); 1872184610Salfred } 1873184610Salfred /* 1874184610Salfred * compute how many milliseconds the insertion is ahead of the 1875184610Salfred * current frame position: 1876184610Salfred */ 1877193644Sthompsa buf_offset = ((xfer->endpoint->isoc_next - nframes) & 0xFFFF); 1878184610Salfred 1879184610Salfred /* 1880184610Salfred * pre-compute when the isochronous transfer will be finished: 1881184610Salfred */ 1882184610Salfred xfer->isoc_time_complete = 1883194228Sthompsa (usb_isoc_time_expand(&sc->sc_bus, nframes) + buf_offset + 1884184610Salfred xfer->nframes); 1885184610Salfred 1886184610Salfred /* get the real number of frames */ 1887184610Salfred 1888184610Salfred nframes = xfer->nframes; 1889184610Salfred 1890184610Salfred buf_offset = 0; 1891184610Salfred 1892184610Salfred plen = xfer->frlengths; 1893184610Salfred 1894184610Salfred /* toggle the DMA set we are using */ 1895184610Salfred xfer->flags_int.curr_dma_set ^= 1; 1896184610Salfred 1897184610Salfred /* get next DMA set */ 1898184610Salfred td = xfer->td_start[xfer->flags_int.curr_dma_set]; 1899184610Salfred 1900184610Salfred xfer->td_transfer_first = td; 1901184610Salfred 1902184610Salfred ncur = 0; 1903184610Salfred length = 0; 1904184610Salfred 1905184610Salfred while (nframes--) { 1906184610Salfred if (td == NULL) { 1907184610Salfred panic("%s:%d: out of TD's\n", 1908184610Salfred __FUNCTION__, __LINE__); 1909184610Salfred } 1910184610Salfred itd_offset[ncur] = length; 1911184610Salfred buf_offset += *plen; 1912184610Salfred length += *plen; 1913184610Salfred plen++; 1914184610Salfred ncur++; 1915184610Salfred 1916184610Salfred if ( /* check if the ITD is full */ 1917184610Salfred (ncur == OHCI_ITD_NOFFSET) || 1918184610Salfred /* check if we have put more than 4K into the ITD */ 1919184610Salfred (length & 0xF000) || 1920184610Salfred /* check if it is the last frame */ 1921184610Salfred (nframes == 0)) { 1922184610Salfred 1923184610Salfred /* fill current ITD */ 1924184610Salfred td->itd_flags = htole32( 1925184610Salfred OHCI_ITD_NOCC | 1926193644Sthompsa OHCI_ITD_SET_SF(xfer->endpoint->isoc_next) | 1927184610Salfred OHCI_ITD_NOINTR | 1928184610Salfred OHCI_ITD_SET_FC(ncur)); 1929184610Salfred 1930184610Salfred td->frames = ncur; 1931193644Sthompsa xfer->endpoint->isoc_next += ncur; 1932184610Salfred 1933184610Salfred if (length == 0) { 1934184610Salfred /* all zero */ 1935184610Salfred td->itd_bp0 = 0; 1936184610Salfred td->itd_be = ~0; 1937184610Salfred 1938184610Salfred while (ncur--) { 1939184610Salfred td->itd_offset[ncur] = 1940184610Salfred htole16(OHCI_ITD_MK_OFFS(0)); 1941184610Salfred } 1942184610Salfred } else { 1943194228Sthompsa usbd_get_page(xfer->frbuffers, buf_offset - length, &buf_res); 1944184610Salfred length = OHCI_PAGE_MASK(buf_res.physaddr); 1945184610Salfred buf_res.physaddr = 1946184610Salfred OHCI_PAGE(buf_res.physaddr); 1947184610Salfred td->itd_bp0 = htole32(buf_res.physaddr); 1948194228Sthompsa usbd_get_page(xfer->frbuffers, buf_offset - 1, &buf_res); 1949184610Salfred td->itd_be = htole32(buf_res.physaddr); 1950184610Salfred 1951184610Salfred while (ncur--) { 1952184610Salfred itd_offset[ncur] += length; 1953184610Salfred itd_offset[ncur] = 1954184610Salfred OHCI_ITD_MK_OFFS(itd_offset[ncur]); 1955184610Salfred td->itd_offset[ncur] = 1956184610Salfred htole16(itd_offset[ncur]); 1957184610Salfred } 1958184610Salfred } 1959184610Salfred ncur = 0; 1960184610Salfred length = 0; 1961184610Salfred td_last = td; 1962184610Salfred td = td->obj_next; 1963184610Salfred 1964184610Salfred if (td) { 1965184610Salfred /* link the last TD with the next one */ 1966184610Salfred td_last->itd_next = td->itd_self; 1967184610Salfred } 1968194228Sthompsa usb_pc_cpu_flush(td_last->page_cache); 1969184610Salfred } 1970184610Salfred } 1971184610Salfred 1972184610Salfred /* update the last TD */ 1973184610Salfred td_last->itd_flags &= ~htole32(OHCI_ITD_NOINTR); 1974184610Salfred td_last->itd_flags |= htole32(OHCI_ITD_SET_DI(0)); 1975184610Salfred td_last->itd_next = 0; 1976184610Salfred 1977194228Sthompsa usb_pc_cpu_flush(td_last->page_cache); 1978184610Salfred 1979184610Salfred xfer->td_transfer_last = td_last; 1980184610Salfred 1981194677Sthompsa#ifdef USB_DEBUG 1982184610Salfred if (ohcidebug > 8) { 1983184610Salfred DPRINTF("data before transfer:\n"); 1984184610Salfred ohci_dump_itds(xfer->td_transfer_first); 1985184610Salfred } 1986184610Salfred#endif 1987184610Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 1988184610Salfred 1989193644Sthompsa if (UE_GET_DIR(xfer->endpointno) == UE_DIR_IN) 1990184610Salfred ed_flags = (OHCI_ED_DIR_IN | OHCI_ED_FORMAT_ISO); 1991184610Salfred else 1992184610Salfred ed_flags = (OHCI_ED_DIR_OUT | OHCI_ED_FORMAT_ISO); 1993184610Salfred 1994184610Salfred ed_flags |= (OHCI_ED_SET_FA(xfer->address) | 1995193644Sthompsa OHCI_ED_SET_EN(UE_GET_ADDR(xfer->endpointno)) | 1996184610Salfred OHCI_ED_SET_MAXP(xfer->max_frame_size)); 1997184610Salfred 1998187173Sthompsa if (xfer->xroot->udev->speed == USB_SPEED_LOW) { 1999184610Salfred ed_flags |= OHCI_ED_SPEED; 2000184610Salfred } 2001184610Salfred ed->ed_flags = htole32(ed_flags); 2002184610Salfred 2003184610Salfred td = xfer->td_transfer_first; 2004184610Salfred 2005186730Salfred ed->ed_headp = td->itd_self; 2006186730Salfred 2007186730Salfred /* isochronous transfers are not affected by suspend / resume */ 2008187167Sthompsa /* the append function will flush the endpoint descriptor */ 2009186730Salfred 2010186730Salfred OHCI_APPEND_QH(ed, sc->sc_isoc_p_last); 2011184610Salfred} 2012184610Salfred 2013184610Salfredstatic void 2014192984Sthompsaohci_device_isoc_start(struct usb_xfer *xfer) 2015184610Salfred{ 2016184610Salfred /* put transfer on interrupt queue */ 2017184610Salfred ohci_transfer_intr_enqueue(xfer); 2018184610Salfred} 2019184610Salfred 2020192984Sthompsastruct usb_pipe_methods ohci_device_isoc_methods = 2021184610Salfred{ 2022184610Salfred .open = ohci_device_isoc_open, 2023184610Salfred .close = ohci_device_isoc_close, 2024184610Salfred .enter = ohci_device_isoc_enter, 2025184610Salfred .start = ohci_device_isoc_start, 2026184610Salfred}; 2027184610Salfred 2028184610Salfred/*------------------------------------------------------------------------* 2029184610Salfred * ohci root control support 2030184610Salfred *------------------------------------------------------------------------* 2031190735Sthompsa * Simulate a hardware hub by handling all the necessary requests. 2032184610Salfred *------------------------------------------------------------------------*/ 2033184610Salfred 2034184610Salfredstatic const 2035192984Sthompsastruct usb_device_descriptor ohci_devd = 2036184610Salfred{ 2037192984Sthompsa sizeof(struct usb_device_descriptor), 2038184610Salfred UDESC_DEVICE, /* type */ 2039184610Salfred {0x00, 0x01}, /* USB version */ 2040184610Salfred UDCLASS_HUB, /* class */ 2041184610Salfred UDSUBCLASS_HUB, /* subclass */ 2042184610Salfred UDPROTO_FSHUB, /* protocol */ 2043184610Salfred 64, /* max packet */ 2044184610Salfred {0}, {0}, {0x00, 0x01}, /* device id */ 2045184610Salfred 1, 2, 0, /* string indicies */ 2046184610Salfred 1 /* # of configurations */ 2047184610Salfred}; 2048184610Salfred 2049184610Salfredstatic const 2050184610Salfredstruct ohci_config_desc ohci_confd = 2051184610Salfred{ 2052184610Salfred .confd = { 2053192984Sthompsa .bLength = sizeof(struct usb_config_descriptor), 2054184610Salfred .bDescriptorType = UDESC_CONFIG, 2055184610Salfred .wTotalLength[0] = sizeof(ohci_confd), 2056184610Salfred .bNumInterface = 1, 2057184610Salfred .bConfigurationValue = 1, 2058184610Salfred .iConfiguration = 0, 2059184610Salfred .bmAttributes = UC_SELF_POWERED, 2060184610Salfred .bMaxPower = 0, /* max power */ 2061184610Salfred }, 2062184610Salfred .ifcd = { 2063192984Sthompsa .bLength = sizeof(struct usb_interface_descriptor), 2064184610Salfred .bDescriptorType = UDESC_INTERFACE, 2065184610Salfred .bNumEndpoints = 1, 2066184610Salfred .bInterfaceClass = UICLASS_HUB, 2067184610Salfred .bInterfaceSubClass = UISUBCLASS_HUB, 2068213802Shselasky .bInterfaceProtocol = 0, 2069184610Salfred }, 2070184610Salfred .endpd = { 2071192984Sthompsa .bLength = sizeof(struct usb_endpoint_descriptor), 2072184610Salfred .bDescriptorType = UDESC_ENDPOINT, 2073184610Salfred .bEndpointAddress = UE_DIR_IN | OHCI_INTR_ENDPT, 2074184610Salfred .bmAttributes = UE_INTERRUPT, 2075184610Salfred .wMaxPacketSize[0] = 32,/* max packet (255 ports) */ 2076184610Salfred .bInterval = 255, 2077184610Salfred }, 2078184610Salfred}; 2079184610Salfred 2080184610Salfredstatic const 2081192984Sthompsastruct usb_hub_descriptor ohci_hubd = 2082184610Salfred{ 2083184610Salfred 0, /* dynamic length */ 2084184610Salfred UDESC_HUB, 2085184610Salfred 0, 2086184610Salfred {0, 0}, 2087184610Salfred 0, 2088184610Salfred 0, 2089184610Salfred {0}, 2090184610Salfred}; 2091184610Salfred 2092193045Sthompsastatic usb_error_t 2093192984Sthompsaohci_roothub_exec(struct usb_device *udev, 2094192984Sthompsa struct usb_device_request *req, const void **pptr, uint16_t *plength) 2095184610Salfred{ 2096191402Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(udev->bus); 2097191402Sthompsa const void *ptr; 2098191402Sthompsa const char *str_ptr; 2099184610Salfred uint32_t port; 2100184610Salfred uint32_t v; 2101191402Sthompsa uint16_t len; 2102184610Salfred uint16_t value; 2103184610Salfred uint16_t index; 2104184610Salfred uint8_t l; 2105193045Sthompsa usb_error_t err; 2106184610Salfred 2107184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 2108184610Salfred 2109184610Salfred /* buffer reset */ 2110191402Sthompsa ptr = (const void *)&sc->sc_hub_desc.temp; 2111191402Sthompsa len = 0; 2112191402Sthompsa err = 0; 2113184610Salfred 2114191402Sthompsa value = UGETW(req->wValue); 2115191402Sthompsa index = UGETW(req->wIndex); 2116184610Salfred 2117184610Salfred DPRINTFN(3, "type=0x%02x request=0x%02x wLen=0x%04x " 2118184610Salfred "wValue=0x%04x wIndex=0x%04x\n", 2119191402Sthompsa req->bmRequestType, req->bRequest, 2120191402Sthompsa UGETW(req->wLength), value, index); 2121184610Salfred 2122184610Salfred#define C(x,y) ((x) | ((y) << 8)) 2123191402Sthompsa switch (C(req->bRequest, req->bmRequestType)) { 2124184610Salfred case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE): 2125184610Salfred case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE): 2126184610Salfred case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT): 2127184610Salfred /* 2128184610Salfred * DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops 2129184610Salfred * for the integrated root hub. 2130184610Salfred */ 2131184610Salfred break; 2132184610Salfred case C(UR_GET_CONFIG, UT_READ_DEVICE): 2133191402Sthompsa len = 1; 2134184610Salfred sc->sc_hub_desc.temp[0] = sc->sc_conf; 2135184610Salfred break; 2136184610Salfred case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE): 2137184610Salfred switch (value >> 8) { 2138184610Salfred case UDESC_DEVICE: 2139184610Salfred if ((value & 0xff) != 0) { 2140191402Sthompsa err = USB_ERR_IOERROR; 2141184610Salfred goto done; 2142184610Salfred } 2143191402Sthompsa len = sizeof(ohci_devd); 2144191402Sthompsa ptr = (const void *)&ohci_devd; 2145184610Salfred break; 2146184610Salfred 2147184610Salfred case UDESC_CONFIG: 2148184610Salfred if ((value & 0xff) != 0) { 2149191402Sthompsa err = USB_ERR_IOERROR; 2150184610Salfred goto done; 2151184610Salfred } 2152191402Sthompsa len = sizeof(ohci_confd); 2153191402Sthompsa ptr = (const void *)&ohci_confd; 2154184610Salfred break; 2155184610Salfred 2156184610Salfred case UDESC_STRING: 2157184610Salfred switch (value & 0xff) { 2158184610Salfred case 0: /* Language table */ 2159191402Sthompsa str_ptr = "\001"; 2160184610Salfred break; 2161184610Salfred 2162184610Salfred case 1: /* Vendor */ 2163191402Sthompsa str_ptr = sc->sc_vendor; 2164184610Salfred break; 2165184610Salfred 2166184610Salfred case 2: /* Product */ 2167191402Sthompsa str_ptr = "OHCI root HUB"; 2168184610Salfred break; 2169184610Salfred 2170184610Salfred default: 2171191402Sthompsa str_ptr = ""; 2172184610Salfred break; 2173184610Salfred } 2174184610Salfred 2175194228Sthompsa len = usb_make_str_desc( 2176191402Sthompsa sc->sc_hub_desc.temp, 2177184610Salfred sizeof(sc->sc_hub_desc.temp), 2178191402Sthompsa str_ptr); 2179184610Salfred break; 2180184610Salfred 2181184610Salfred default: 2182191402Sthompsa err = USB_ERR_IOERROR; 2183184610Salfred goto done; 2184184610Salfred } 2185184610Salfred break; 2186184610Salfred case C(UR_GET_INTERFACE, UT_READ_INTERFACE): 2187191402Sthompsa len = 1; 2188184610Salfred sc->sc_hub_desc.temp[0] = 0; 2189184610Salfred break; 2190184610Salfred case C(UR_GET_STATUS, UT_READ_DEVICE): 2191191402Sthompsa len = 2; 2192184610Salfred USETW(sc->sc_hub_desc.stat.wStatus, UDS_SELF_POWERED); 2193184610Salfred break; 2194184610Salfred case C(UR_GET_STATUS, UT_READ_INTERFACE): 2195184610Salfred case C(UR_GET_STATUS, UT_READ_ENDPOINT): 2196191402Sthompsa len = 2; 2197184610Salfred USETW(sc->sc_hub_desc.stat.wStatus, 0); 2198184610Salfred break; 2199184610Salfred case C(UR_SET_ADDRESS, UT_WRITE_DEVICE): 2200190174Sthompsa if (value >= OHCI_MAX_DEVICES) { 2201191402Sthompsa err = USB_ERR_IOERROR; 2202184610Salfred goto done; 2203184610Salfred } 2204184610Salfred sc->sc_addr = value; 2205184610Salfred break; 2206184610Salfred case C(UR_SET_CONFIG, UT_WRITE_DEVICE): 2207184610Salfred if ((value != 0) && (value != 1)) { 2208191402Sthompsa err = USB_ERR_IOERROR; 2209184610Salfred goto done; 2210184610Salfred } 2211184610Salfred sc->sc_conf = value; 2212184610Salfred break; 2213184610Salfred case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE): 2214184610Salfred break; 2215184610Salfred case C(UR_SET_FEATURE, UT_WRITE_DEVICE): 2216184610Salfred case C(UR_SET_FEATURE, UT_WRITE_INTERFACE): 2217184610Salfred case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT): 2218191402Sthompsa err = USB_ERR_IOERROR; 2219184610Salfred goto done; 2220184610Salfred case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE): 2221184610Salfred break; 2222184610Salfred case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT): 2223184610Salfred break; 2224184610Salfred /* Hub requests */ 2225184610Salfred case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE): 2226184610Salfred break; 2227184610Salfred case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER): 2228184610Salfred DPRINTFN(9, "UR_CLEAR_PORT_FEATURE " 2229184610Salfred "port=%d feature=%d\n", 2230184610Salfred index, value); 2231184610Salfred if ((index < 1) || 2232184610Salfred (index > sc->sc_noport)) { 2233191402Sthompsa err = USB_ERR_IOERROR; 2234184610Salfred goto done; 2235184610Salfred } 2236184610Salfred port = OHCI_RH_PORT_STATUS(index); 2237184610Salfred switch (value) { 2238184610Salfred case UHF_PORT_ENABLE: 2239184610Salfred OWRITE4(sc, port, UPS_CURRENT_CONNECT_STATUS); 2240184610Salfred break; 2241184610Salfred case UHF_PORT_SUSPEND: 2242184610Salfred OWRITE4(sc, port, UPS_OVERCURRENT_INDICATOR); 2243184610Salfred break; 2244184610Salfred case UHF_PORT_POWER: 2245184610Salfred /* Yes, writing to the LOW_SPEED bit clears power. */ 2246184610Salfred OWRITE4(sc, port, UPS_LOW_SPEED); 2247184610Salfred break; 2248184610Salfred case UHF_C_PORT_CONNECTION: 2249184610Salfred OWRITE4(sc, port, UPS_C_CONNECT_STATUS << 16); 2250184610Salfred break; 2251184610Salfred case UHF_C_PORT_ENABLE: 2252184610Salfred OWRITE4(sc, port, UPS_C_PORT_ENABLED << 16); 2253184610Salfred break; 2254184610Salfred case UHF_C_PORT_SUSPEND: 2255184610Salfred OWRITE4(sc, port, UPS_C_SUSPEND << 16); 2256184610Salfred break; 2257184610Salfred case UHF_C_PORT_OVER_CURRENT: 2258184610Salfred OWRITE4(sc, port, UPS_C_OVERCURRENT_INDICATOR << 16); 2259184610Salfred break; 2260184610Salfred case UHF_C_PORT_RESET: 2261184610Salfred OWRITE4(sc, port, UPS_C_PORT_RESET << 16); 2262184610Salfred break; 2263184610Salfred default: 2264191402Sthompsa err = USB_ERR_IOERROR; 2265184610Salfred goto done; 2266184610Salfred } 2267184610Salfred switch (value) { 2268184610Salfred case UHF_C_PORT_CONNECTION: 2269184610Salfred case UHF_C_PORT_ENABLE: 2270184610Salfred case UHF_C_PORT_SUSPEND: 2271184610Salfred case UHF_C_PORT_OVER_CURRENT: 2272184610Salfred case UHF_C_PORT_RESET: 2273184610Salfred /* enable RHSC interrupt if condition is cleared. */ 2274186454Sthompsa if ((OREAD4(sc, port) >> 16) == 0) 2275184610Salfred ohci_rhsc_enable(sc); 2276184610Salfred break; 2277184610Salfred default: 2278184610Salfred break; 2279184610Salfred } 2280184610Salfred break; 2281184610Salfred case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE): 2282184610Salfred if ((value & 0xff) != 0) { 2283191402Sthompsa err = USB_ERR_IOERROR; 2284184610Salfred goto done; 2285184610Salfred } 2286184610Salfred v = OREAD4(sc, OHCI_RH_DESCRIPTOR_A); 2287184610Salfred 2288184610Salfred sc->sc_hub_desc.hubd = ohci_hubd; 2289184610Salfred sc->sc_hub_desc.hubd.bNbrPorts = sc->sc_noport; 2290184610Salfred USETW(sc->sc_hub_desc.hubd.wHubCharacteristics, 2291184610Salfred (v & OHCI_NPS ? UHD_PWR_NO_SWITCH : 2292184610Salfred v & OHCI_PSM ? UHD_PWR_GANGED : UHD_PWR_INDIVIDUAL) 2293184610Salfred /* XXX overcurrent */ 2294184610Salfred ); 2295184610Salfred sc->sc_hub_desc.hubd.bPwrOn2PwrGood = OHCI_GET_POTPGT(v); 2296184610Salfred v = OREAD4(sc, OHCI_RH_DESCRIPTOR_B); 2297184610Salfred 2298184610Salfred for (l = 0; l < sc->sc_noport; l++) { 2299184610Salfred if (v & 1) { 2300184610Salfred sc->sc_hub_desc.hubd.DeviceRemovable[l / 8] |= (1 << (l % 8)); 2301184610Salfred } 2302184610Salfred v >>= 1; 2303184610Salfred } 2304184610Salfred sc->sc_hub_desc.hubd.bDescLength = 2305184610Salfred 8 + ((sc->sc_noport + 7) / 8); 2306191402Sthompsa len = sc->sc_hub_desc.hubd.bDescLength; 2307184610Salfred break; 2308184610Salfred 2309184610Salfred case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE): 2310191402Sthompsa len = 16; 2311227461Shselasky memset(sc->sc_hub_desc.temp, 0, 16); 2312184610Salfred break; 2313184610Salfred case C(UR_GET_STATUS, UT_READ_CLASS_OTHER): 2314184610Salfred DPRINTFN(9, "get port status i=%d\n", 2315184610Salfred index); 2316184610Salfred if ((index < 1) || 2317184610Salfred (index > sc->sc_noport)) { 2318191402Sthompsa err = USB_ERR_IOERROR; 2319184610Salfred goto done; 2320184610Salfred } 2321184610Salfred v = OREAD4(sc, OHCI_RH_PORT_STATUS(index)); 2322184610Salfred DPRINTFN(9, "port status=0x%04x\n", v); 2323184610Salfred USETW(sc->sc_hub_desc.ps.wPortStatus, v); 2324184610Salfred USETW(sc->sc_hub_desc.ps.wPortChange, v >> 16); 2325191402Sthompsa len = sizeof(sc->sc_hub_desc.ps); 2326184610Salfred break; 2327184610Salfred case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE): 2328191402Sthompsa err = USB_ERR_IOERROR; 2329184610Salfred goto done; 2330184610Salfred case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE): 2331184610Salfred break; 2332184610Salfred case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER): 2333184610Salfred if ((index < 1) || 2334184610Salfred (index > sc->sc_noport)) { 2335191402Sthompsa err = USB_ERR_IOERROR; 2336184610Salfred goto done; 2337184610Salfred } 2338184610Salfred port = OHCI_RH_PORT_STATUS(index); 2339184610Salfred switch (value) { 2340184610Salfred case UHF_PORT_ENABLE: 2341184610Salfred OWRITE4(sc, port, UPS_PORT_ENABLED); 2342184610Salfred break; 2343184610Salfred case UHF_PORT_SUSPEND: 2344184610Salfred OWRITE4(sc, port, UPS_SUSPEND); 2345184610Salfred break; 2346184610Salfred case UHF_PORT_RESET: 2347184610Salfred DPRINTFN(6, "reset port %d\n", index); 2348184610Salfred OWRITE4(sc, port, UPS_RESET); 2349184610Salfred for (v = 0;; v++) { 2350184610Salfred if (v < 12) { 2351194228Sthompsa usb_pause_mtx(&sc->sc_bus.bus_mtx, 2352188983Sthompsa USB_MS_TO_TICKS(USB_PORT_ROOT_RESET_DELAY)); 2353184610Salfred 2354184610Salfred if ((OREAD4(sc, port) & UPS_RESET) == 0) { 2355184610Salfred break; 2356184610Salfred } 2357184610Salfred } else { 2358191402Sthompsa err = USB_ERR_TIMEOUT; 2359184610Salfred goto done; 2360184610Salfred } 2361184610Salfred } 2362184610Salfred DPRINTFN(9, "ohci port %d reset, status = 0x%04x\n", 2363184610Salfred index, OREAD4(sc, port)); 2364184610Salfred break; 2365184610Salfred case UHF_PORT_POWER: 2366184610Salfred DPRINTFN(3, "set port power %d\n", index); 2367184610Salfred OWRITE4(sc, port, UPS_PORT_POWER); 2368184610Salfred break; 2369184610Salfred default: 2370191402Sthompsa err = USB_ERR_IOERROR; 2371184610Salfred goto done; 2372184610Salfred } 2373184610Salfred break; 2374184610Salfred default: 2375191402Sthompsa err = USB_ERR_IOERROR; 2376184610Salfred goto done; 2377184610Salfred } 2378184610Salfreddone: 2379191402Sthompsa *plength = len; 2380191402Sthompsa *pptr = ptr; 2381191402Sthompsa return (err); 2382184610Salfred} 2383184610Salfred 2384184610Salfredstatic void 2385192984Sthompsaohci_xfer_setup(struct usb_setup_params *parm) 2386184610Salfred{ 2387192984Sthompsa struct usb_page_search page_info; 2388192984Sthompsa struct usb_page_cache *pc; 2389184610Salfred ohci_softc_t *sc; 2390192984Sthompsa struct usb_xfer *xfer; 2391184610Salfred void *last_obj; 2392184610Salfred uint32_t ntd; 2393184610Salfred uint32_t nitd; 2394184610Salfred uint32_t nqh; 2395184610Salfred uint32_t n; 2396184610Salfred 2397184610Salfred sc = OHCI_BUS2SC(parm->udev->bus); 2398184610Salfred xfer = parm->curr_xfer; 2399184610Salfred 2400184610Salfred parm->hc_max_packet_size = 0x500; 2401184610Salfred parm->hc_max_packet_count = 1; 2402184610Salfred parm->hc_max_frame_size = OHCI_PAGE_SIZE; 2403184610Salfred 2404184610Salfred /* 2405184610Salfred * calculate ntd and nqh 2406184610Salfred */ 2407184610Salfred if (parm->methods == &ohci_device_ctrl_methods) { 2408184610Salfred xfer->flags_int.bdma_enable = 1; 2409184610Salfred 2410194228Sthompsa usbd_transfer_setup_sub(parm); 2411184610Salfred 2412184610Salfred nitd = 0; 2413184610Salfred ntd = ((2 * xfer->nframes) + 1 /* STATUS */ 2414190181Sthompsa + (xfer->max_data_length / xfer->max_hc_frame_size)); 2415184610Salfred nqh = 1; 2416184610Salfred 2417184610Salfred } else if (parm->methods == &ohci_device_bulk_methods) { 2418184610Salfred xfer->flags_int.bdma_enable = 1; 2419184610Salfred 2420194228Sthompsa usbd_transfer_setup_sub(parm); 2421184610Salfred 2422184610Salfred nitd = 0; 2423184610Salfred ntd = ((2 * xfer->nframes) 2424190181Sthompsa + (xfer->max_data_length / xfer->max_hc_frame_size)); 2425184610Salfred nqh = 1; 2426184610Salfred 2427184610Salfred } else if (parm->methods == &ohci_device_intr_methods) { 2428184610Salfred xfer->flags_int.bdma_enable = 1; 2429184610Salfred 2430194228Sthompsa usbd_transfer_setup_sub(parm); 2431184610Salfred 2432184610Salfred nitd = 0; 2433184610Salfred ntd = ((2 * xfer->nframes) 2434190181Sthompsa + (xfer->max_data_length / xfer->max_hc_frame_size)); 2435184610Salfred nqh = 1; 2436184610Salfred 2437184610Salfred } else if (parm->methods == &ohci_device_isoc_methods) { 2438184610Salfred xfer->flags_int.bdma_enable = 1; 2439184610Salfred 2440194228Sthompsa usbd_transfer_setup_sub(parm); 2441184610Salfred 2442184610Salfred nitd = ((xfer->max_data_length / OHCI_PAGE_SIZE) + 2443184610Salfred ((xfer->nframes + OHCI_ITD_NOFFSET - 1) / OHCI_ITD_NOFFSET) + 2444184610Salfred 1 /* EXTRA */ ); 2445184610Salfred ntd = 0; 2446184610Salfred nqh = 1; 2447184610Salfred 2448184610Salfred } else { 2449184610Salfred 2450194228Sthompsa usbd_transfer_setup_sub(parm); 2451184610Salfred 2452184610Salfred nitd = 0; 2453184610Salfred ntd = 0; 2454184610Salfred nqh = 0; 2455184610Salfred } 2456184610Salfred 2457184610Salfredalloc_dma_set: 2458184610Salfred 2459184610Salfred if (parm->err) { 2460184610Salfred return; 2461184610Salfred } 2462184610Salfred last_obj = NULL; 2463184610Salfred 2464194228Sthompsa if (usbd_transfer_setup_sub_malloc( 2465184610Salfred parm, &pc, sizeof(ohci_td_t), 2466184610Salfred OHCI_TD_ALIGN, ntd)) { 2467184610Salfred parm->err = USB_ERR_NOMEM; 2468184610Salfred return; 2469184610Salfred } 2470184610Salfred if (parm->buf) { 2471184610Salfred for (n = 0; n != ntd; n++) { 2472184610Salfred ohci_td_t *td; 2473184610Salfred 2474194228Sthompsa usbd_get_page(pc + n, 0, &page_info); 2475184610Salfred 2476184610Salfred td = page_info.buffer; 2477184610Salfred 2478184610Salfred /* init TD */ 2479184610Salfred td->td_self = htole32(page_info.physaddr); 2480184610Salfred td->obj_next = last_obj; 2481184610Salfred td->page_cache = pc + n; 2482184610Salfred 2483184610Salfred last_obj = td; 2484184610Salfred 2485194228Sthompsa usb_pc_cpu_flush(pc + n); 2486184610Salfred } 2487184610Salfred } 2488194228Sthompsa if (usbd_transfer_setup_sub_malloc( 2489184610Salfred parm, &pc, sizeof(ohci_itd_t), 2490184610Salfred OHCI_ITD_ALIGN, nitd)) { 2491184610Salfred parm->err = USB_ERR_NOMEM; 2492184610Salfred return; 2493184610Salfred } 2494184610Salfred if (parm->buf) { 2495184610Salfred for (n = 0; n != nitd; n++) { 2496184610Salfred ohci_itd_t *itd; 2497184610Salfred 2498194228Sthompsa usbd_get_page(pc + n, 0, &page_info); 2499184610Salfred 2500184610Salfred itd = page_info.buffer; 2501184610Salfred 2502184610Salfred /* init TD */ 2503184610Salfred itd->itd_self = htole32(page_info.physaddr); 2504184610Salfred itd->obj_next = last_obj; 2505184610Salfred itd->page_cache = pc + n; 2506184610Salfred 2507184610Salfred last_obj = itd; 2508184610Salfred 2509194228Sthompsa usb_pc_cpu_flush(pc + n); 2510184610Salfred } 2511184610Salfred } 2512184610Salfred xfer->td_start[xfer->flags_int.curr_dma_set] = last_obj; 2513184610Salfred 2514184610Salfred last_obj = NULL; 2515184610Salfred 2516194228Sthompsa if (usbd_transfer_setup_sub_malloc( 2517184610Salfred parm, &pc, sizeof(ohci_ed_t), 2518184610Salfred OHCI_ED_ALIGN, nqh)) { 2519184610Salfred parm->err = USB_ERR_NOMEM; 2520184610Salfred return; 2521184610Salfred } 2522184610Salfred if (parm->buf) { 2523184610Salfred for (n = 0; n != nqh; n++) { 2524184610Salfred ohci_ed_t *ed; 2525184610Salfred 2526194228Sthompsa usbd_get_page(pc + n, 0, &page_info); 2527184610Salfred 2528184610Salfred ed = page_info.buffer; 2529184610Salfred 2530184610Salfred /* init QH */ 2531184610Salfred ed->ed_self = htole32(page_info.physaddr); 2532184610Salfred ed->obj_next = last_obj; 2533184610Salfred ed->page_cache = pc + n; 2534184610Salfred 2535184610Salfred last_obj = ed; 2536184610Salfred 2537194228Sthompsa usb_pc_cpu_flush(pc + n); 2538184610Salfred } 2539184610Salfred } 2540184610Salfred xfer->qh_start[xfer->flags_int.curr_dma_set] = last_obj; 2541184610Salfred 2542184610Salfred if (!xfer->flags_int.curr_dma_set) { 2543184610Salfred xfer->flags_int.curr_dma_set = 1; 2544184610Salfred goto alloc_dma_set; 2545184610Salfred } 2546184610Salfred} 2547184610Salfred 2548184610Salfredstatic void 2549193644Sthompsaohci_ep_init(struct usb_device *udev, struct usb_endpoint_descriptor *edesc, 2550193644Sthompsa struct usb_endpoint *ep) 2551184610Salfred{ 2552184610Salfred ohci_softc_t *sc = OHCI_BUS2SC(udev->bus); 2553184610Salfred 2554193644Sthompsa DPRINTFN(2, "endpoint=%p, addr=%d, endpt=%d, mode=%d (%d)\n", 2555193644Sthompsa ep, udev->address, 2556192499Sthompsa edesc->bEndpointAddress, udev->flags.usb_mode, 2557184610Salfred sc->sc_addr); 2558184610Salfred 2559192499Sthompsa if (udev->flags.usb_mode != USB_MODE_HOST) { 2560184610Salfred /* not supported */ 2561184610Salfred return; 2562184610Salfred } 2563190735Sthompsa if (udev->device_index != sc->sc_addr) { 2564184610Salfred switch (edesc->bmAttributes & UE_XFERTYPE) { 2565184610Salfred case UE_CONTROL: 2566193644Sthompsa ep->methods = &ohci_device_ctrl_methods; 2567184610Salfred break; 2568184610Salfred case UE_INTERRUPT: 2569193644Sthompsa ep->methods = &ohci_device_intr_methods; 2570184610Salfred break; 2571184610Salfred case UE_ISOCHRONOUS: 2572184610Salfred if (udev->speed == USB_SPEED_FULL) { 2573193644Sthompsa ep->methods = &ohci_device_isoc_methods; 2574184610Salfred } 2575184610Salfred break; 2576184610Salfred case UE_BULK: 2577209443Sthompsa ep->methods = &ohci_device_bulk_methods; 2578184610Salfred break; 2579184610Salfred default: 2580184610Salfred /* do nothing */ 2581184610Salfred break; 2582184610Salfred } 2583184610Salfred } 2584184610Salfred} 2585184610Salfred 2586184610Salfredstatic void 2587192984Sthompsaohci_xfer_unsetup(struct usb_xfer *xfer) 2588184610Salfred{ 2589184610Salfred return; 2590184610Salfred} 2591184610Salfred 2592184610Salfredstatic void 2593212134Sthompsaohci_get_dma_delay(struct usb_device *udev, uint32_t *pus) 2594184610Salfred{ 2595184610Salfred /* 2596184610Salfred * Wait until hardware has finished any possible use of the 2597184610Salfred * transfer descriptor(s) and QH 2598184610Salfred */ 2599184610Salfred *pus = (1125); /* microseconds */ 2600184610Salfred} 2601184610Salfred 2602186730Salfredstatic void 2603192984Sthompsaohci_device_resume(struct usb_device *udev) 2604186730Salfred{ 2605186730Salfred struct ohci_softc *sc = OHCI_BUS2SC(udev->bus); 2606192984Sthompsa struct usb_xfer *xfer; 2607192984Sthompsa struct usb_pipe_methods *methods; 2608186730Salfred ohci_ed_t *ed; 2609186730Salfred 2610186730Salfred DPRINTF("\n"); 2611186730Salfred 2612186730Salfred USB_BUS_LOCK(udev->bus); 2613186730Salfred 2614186730Salfred TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { 2615186730Salfred 2616187173Sthompsa if (xfer->xroot->udev == udev) { 2617186730Salfred 2618193644Sthompsa methods = xfer->endpoint->methods; 2619186730Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 2620186730Salfred 2621186730Salfred if (methods == &ohci_device_bulk_methods) { 2622186730Salfred OHCI_APPEND_QH(ed, sc->sc_bulk_p_last); 2623186730Salfred OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_BLF); 2624186730Salfred } 2625186730Salfred if (methods == &ohci_device_ctrl_methods) { 2626186730Salfred OHCI_APPEND_QH(ed, sc->sc_ctrl_p_last); 2627186730Salfred OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_CLF); 2628186730Salfred } 2629186730Salfred if (methods == &ohci_device_intr_methods) { 2630186730Salfred OHCI_APPEND_QH(ed, sc->sc_intr_p_last[xfer->qh_pos]); 2631186730Salfred } 2632186730Salfred } 2633186730Salfred } 2634186730Salfred 2635186730Salfred USB_BUS_UNLOCK(udev->bus); 2636186730Salfred 2637186730Salfred return; 2638186730Salfred} 2639186730Salfred 2640186730Salfredstatic void 2641192984Sthompsaohci_device_suspend(struct usb_device *udev) 2642186730Salfred{ 2643186730Salfred struct ohci_softc *sc = OHCI_BUS2SC(udev->bus); 2644192984Sthompsa struct usb_xfer *xfer; 2645192984Sthompsa struct usb_pipe_methods *methods; 2646186730Salfred ohci_ed_t *ed; 2647186730Salfred 2648186730Salfred DPRINTF("\n"); 2649186730Salfred 2650186730Salfred USB_BUS_LOCK(udev->bus); 2651186730Salfred 2652186730Salfred TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { 2653186730Salfred 2654187173Sthompsa if (xfer->xroot->udev == udev) { 2655186730Salfred 2656193644Sthompsa methods = xfer->endpoint->methods; 2657186730Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 2658186730Salfred 2659186730Salfred if (methods == &ohci_device_bulk_methods) { 2660186730Salfred OHCI_REMOVE_QH(ed, sc->sc_bulk_p_last); 2661186730Salfred } 2662186730Salfred if (methods == &ohci_device_ctrl_methods) { 2663186730Salfred OHCI_REMOVE_QH(ed, sc->sc_ctrl_p_last); 2664186730Salfred } 2665186730Salfred if (methods == &ohci_device_intr_methods) { 2666186730Salfred OHCI_REMOVE_QH(ed, sc->sc_intr_p_last[xfer->qh_pos]); 2667186730Salfred } 2668186730Salfred } 2669186730Salfred } 2670186730Salfred 2671186730Salfred USB_BUS_UNLOCK(udev->bus); 2672186730Salfred 2673186730Salfred return; 2674186730Salfred} 2675186730Salfred 2676186730Salfredstatic void 2677228483Shselaskyohci_set_hw_power_sleep(struct usb_bus *bus, uint32_t state) 2678228483Shselasky{ 2679228483Shselasky struct ohci_softc *sc = OHCI_BUS2SC(bus); 2680228483Shselasky 2681228483Shselasky switch (state) { 2682228483Shselasky case USB_HW_POWER_SUSPEND: 2683228483Shselasky case USB_HW_POWER_SHUTDOWN: 2684228483Shselasky ohci_suspend(sc); 2685228483Shselasky break; 2686228483Shselasky case USB_HW_POWER_RESUME: 2687228483Shselasky ohci_resume(sc); 2688228483Shselasky break; 2689228483Shselasky default: 2690228483Shselasky break; 2691228483Shselasky } 2692228483Shselasky} 2693228483Shselasky 2694228483Shselaskystatic void 2695192984Sthompsaohci_set_hw_power(struct usb_bus *bus) 2696186730Salfred{ 2697186730Salfred struct ohci_softc *sc = OHCI_BUS2SC(bus); 2698186730Salfred uint32_t temp; 2699186730Salfred uint32_t flags; 2700186730Salfred 2701186730Salfred DPRINTF("\n"); 2702186730Salfred 2703186730Salfred USB_BUS_LOCK(bus); 2704186730Salfred 2705186730Salfred flags = bus->hw_power_state; 2706186730Salfred 2707186730Salfred temp = OREAD4(sc, OHCI_CONTROL); 2708186730Salfred temp &= ~(OHCI_PLE | OHCI_IE | OHCI_CLE | OHCI_BLE); 2709186730Salfred 2710186730Salfred if (flags & USB_HW_POWER_CONTROL) 2711186730Salfred temp |= OHCI_CLE; 2712186730Salfred 2713186730Salfred if (flags & USB_HW_POWER_BULK) 2714186730Salfred temp |= OHCI_BLE; 2715186730Salfred 2716186730Salfred if (flags & USB_HW_POWER_INTERRUPT) 2717186730Salfred temp |= OHCI_PLE; 2718186730Salfred 2719186730Salfred if (flags & USB_HW_POWER_ISOC) 2720186730Salfred temp |= OHCI_IE | OHCI_PLE; 2721186730Salfred 2722186730Salfred OWRITE4(sc, OHCI_CONTROL, temp); 2723186730Salfred 2724186730Salfred USB_BUS_UNLOCK(bus); 2725186730Salfred 2726186730Salfred return; 2727186730Salfred} 2728186730Salfred 2729192984Sthompsastruct usb_bus_methods ohci_bus_methods = 2730184610Salfred{ 2731193644Sthompsa .endpoint_init = ohci_ep_init, 2732184610Salfred .xfer_setup = ohci_xfer_setup, 2733184610Salfred .xfer_unsetup = ohci_xfer_unsetup, 2734184610Salfred .get_dma_delay = ohci_get_dma_delay, 2735186730Salfred .device_resume = ohci_device_resume, 2736186730Salfred .device_suspend = ohci_device_suspend, 2737186730Salfred .set_hw_power = ohci_set_hw_power, 2738228483Shselasky .set_hw_power_sleep = ohci_set_hw_power_sleep, 2739190735Sthompsa .roothub_exec = ohci_roothub_exec, 2740195960Salfred .xfer_poll = ohci_do_poll, 2741184610Salfred}; 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