1246122Shselasky/* $FreeBSD: releng/11.0/sys/dev/usb/controller/ohci.c 298932 2016-05-02 17:44:03Z pfg $ */ 2184610Salfred/*- 3184610Salfred * Copyright (c) 2008 Hans Petter Selasky. All rights reserved. 4184610Salfred * Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved. 5184610Salfred * Copyright (c) 1998 Lennart Augustsson. All rights reserved. 6184610Salfred * 7184610Salfred * Redistribution and use in source and binary forms, with or without 8184610Salfred * modification, are permitted provided that the following conditions 9184610Salfred * are met: 10184610Salfred * 1. Redistributions of source code must retain the above copyright 11184610Salfred * notice, this list of conditions and the following disclaimer. 12184610Salfred * 2. Redistributions in binary form must reproduce the above copyright 13184610Salfred * notice, this list of conditions and the following disclaimer in the 14184610Salfred * documentation and/or other materials provided with the distribution. 15184610Salfred * 16184610Salfred * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17184610Salfred * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18184610Salfred * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19184610Salfred * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20184610Salfred * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21184610Salfred * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22184610Salfred * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23184610Salfred * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24184610Salfred * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25184610Salfred * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26184610Salfred * SUCH DAMAGE. 27184610Salfred */ 28184610Salfred 29184610Salfred/* 30184610Salfred * USB Open Host Controller driver. 31184610Salfred * 32184610Salfred * OHCI spec: http://www.compaq.com/productinfo/development/openhci.html 33190754Sthompsa * USB spec: http://www.usb.org/developers/docs/usbspec.zip 34184610Salfred */ 35184610Salfred 36246122Shselasky#ifdef USB_GLOBAL_INCLUDE_FILE 37246122Shselasky#include USB_GLOBAL_INCLUDE_FILE 38246122Shselasky#else 39194677Sthompsa#include <sys/stdint.h> 40194677Sthompsa#include <sys/stddef.h> 41194677Sthompsa#include <sys/param.h> 42194677Sthompsa#include <sys/queue.h> 43194677Sthompsa#include <sys/types.h> 44194677Sthompsa#include <sys/systm.h> 45194677Sthompsa#include <sys/kernel.h> 46194677Sthompsa#include <sys/bus.h> 47194677Sthompsa#include <sys/module.h> 48194677Sthompsa#include <sys/lock.h> 49194677Sthompsa#include <sys/mutex.h> 50194677Sthompsa#include <sys/condvar.h> 51194677Sthompsa#include <sys/sysctl.h> 52194677Sthompsa#include <sys/sx.h> 53194677Sthompsa#include <sys/unistd.h> 54194677Sthompsa#include <sys/callout.h> 55194677Sthompsa#include <sys/malloc.h> 56194677Sthompsa#include <sys/priv.h> 57194677Sthompsa 58188942Sthompsa#include <dev/usb/usb.h> 59194677Sthompsa#include <dev/usb/usbdi.h> 60184610Salfred 61184610Salfred#define USB_DEBUG_VAR ohcidebug 62184610Salfred 63188942Sthompsa#include <dev/usb/usb_core.h> 64188942Sthompsa#include <dev/usb/usb_debug.h> 65188942Sthompsa#include <dev/usb/usb_busdma.h> 66188942Sthompsa#include <dev/usb/usb_process.h> 67188942Sthompsa#include <dev/usb/usb_transfer.h> 68188942Sthompsa#include <dev/usb/usb_device.h> 69188942Sthompsa#include <dev/usb/usb_hub.h> 70188942Sthompsa#include <dev/usb/usb_util.h> 71184610Salfred 72188942Sthompsa#include <dev/usb/usb_controller.h> 73188942Sthompsa#include <dev/usb/usb_bus.h> 74246122Shselasky#endif /* USB_GLOBAL_INCLUDE_FILE */ 75246122Shselasky 76188942Sthompsa#include <dev/usb/controller/ohci.h> 77198151Sthompsa#include <dev/usb/controller/ohcireg.h> 78184610Salfred 79190181Sthompsa#define OHCI_BUS2SC(bus) \ 80190181Sthompsa ((ohci_softc_t *)(((uint8_t *)(bus)) - \ 81190181Sthompsa ((uint8_t *)&(((ohci_softc_t *)0)->sc_bus)))) 82184610Salfred 83194677Sthompsa#ifdef USB_DEBUG 84184610Salfredstatic int ohcidebug = 0; 85184610Salfred 86227309Sedstatic SYSCTL_NODE(_hw_usb, OID_AUTO, ohci, CTLFLAG_RW, 0, "USB ohci"); 87267992ShselaskySYSCTL_INT(_hw_usb_ohci, OID_AUTO, debug, CTLFLAG_RWTUN, 88184610Salfred &ohcidebug, 0, "ohci debug level"); 89199675Sthompsa 90184610Salfredstatic void ohci_dumpregs(ohci_softc_t *); 91184610Salfredstatic void ohci_dump_tds(ohci_td_t *); 92184610Salfredstatic uint8_t ohci_dump_td(ohci_td_t *); 93184610Salfredstatic void ohci_dump_ed(ohci_ed_t *); 94184610Salfredstatic uint8_t ohci_dump_itd(ohci_itd_t *); 95184610Salfredstatic void ohci_dump_itds(ohci_itd_t *); 96184610Salfred 97184610Salfred#endif 98184610Salfred 99184610Salfred#define OBARR(sc) bus_space_barrier((sc)->sc_io_tag, (sc)->sc_io_hdl, 0, (sc)->sc_io_size, \ 100184610Salfred BUS_SPACE_BARRIER_READ|BUS_SPACE_BARRIER_WRITE) 101184610Salfred#define OWRITE1(sc, r, x) \ 102184610Salfred do { OBARR(sc); bus_space_write_1((sc)->sc_io_tag, (sc)->sc_io_hdl, (r), (x)); } while (0) 103184610Salfred#define OWRITE2(sc, r, x) \ 104184610Salfred do { OBARR(sc); bus_space_write_2((sc)->sc_io_tag, (sc)->sc_io_hdl, (r), (x)); } while (0) 105184610Salfred#define OWRITE4(sc, r, x) \ 106184610Salfred do { OBARR(sc); bus_space_write_4((sc)->sc_io_tag, (sc)->sc_io_hdl, (r), (x)); } while (0) 107184610Salfred#define OREAD1(sc, r) (OBARR(sc), bus_space_read_1((sc)->sc_io_tag, (sc)->sc_io_hdl, (r))) 108184610Salfred#define OREAD2(sc, r) (OBARR(sc), bus_space_read_2((sc)->sc_io_tag, (sc)->sc_io_hdl, (r))) 109184610Salfred#define OREAD4(sc, r) (OBARR(sc), bus_space_read_4((sc)->sc_io_tag, (sc)->sc_io_hdl, (r))) 110184610Salfred 111184610Salfred#define OHCI_INTR_ENDPT 1 112184610Salfred 113259218Shselaskystatic const struct usb_bus_methods ohci_bus_methods; 114259218Shselaskystatic const struct usb_pipe_methods ohci_device_bulk_methods; 115259218Shselaskystatic const struct usb_pipe_methods ohci_device_ctrl_methods; 116259218Shselaskystatic const struct usb_pipe_methods ohci_device_intr_methods; 117259218Shselaskystatic const struct usb_pipe_methods ohci_device_isoc_methods; 118184610Salfred 119192984Sthompsastatic void ohci_do_poll(struct usb_bus *bus); 120193045Sthompsastatic void ohci_device_done(struct usb_xfer *xfer, usb_error_t error); 121184610Salfredstatic void ohci_timeout(void *arg); 122192984Sthompsastatic uint8_t ohci_check_transfer(struct usb_xfer *xfer); 123190735Sthompsastatic void ohci_root_intr(ohci_softc_t *sc); 124184610Salfred 125184610Salfredstruct ohci_std_temp { 126192984Sthompsa struct usb_page_cache *pc; 127184610Salfred ohci_td_t *td; 128184610Salfred ohci_td_t *td_next; 129184610Salfred uint32_t average; 130184610Salfred uint32_t td_flags; 131184610Salfred uint32_t len; 132184610Salfred uint16_t max_frame_size; 133184610Salfred uint8_t shortpkt; 134184610Salfred uint8_t setup_alt_next; 135190183Sthompsa uint8_t last_frame; 136184610Salfred}; 137184610Salfred 138184610Salfredstatic struct ohci_hcca * 139184610Salfredohci_get_hcca(ohci_softc_t *sc) 140184610Salfred{ 141194228Sthompsa usb_pc_cpu_invalidate(&sc->sc_hw.hcca_pc); 142184610Salfred return (sc->sc_hcca_p); 143184610Salfred} 144184610Salfred 145184610Salfredvoid 146193045Sthompsaohci_iterate_hw_softc(struct usb_bus *bus, usb_bus_mem_sub_cb_t *cb) 147184610Salfred{ 148184610Salfred struct ohci_softc *sc = OHCI_BUS2SC(bus); 149184610Salfred uint32_t i; 150184610Salfred 151184610Salfred cb(bus, &sc->sc_hw.hcca_pc, &sc->sc_hw.hcca_pg, 152184610Salfred sizeof(ohci_hcca_t), OHCI_HCCA_ALIGN); 153184610Salfred 154184610Salfred cb(bus, &sc->sc_hw.ctrl_start_pc, &sc->sc_hw.ctrl_start_pg, 155184610Salfred sizeof(ohci_ed_t), OHCI_ED_ALIGN); 156184610Salfred 157184610Salfred cb(bus, &sc->sc_hw.bulk_start_pc, &sc->sc_hw.bulk_start_pg, 158184610Salfred sizeof(ohci_ed_t), OHCI_ED_ALIGN); 159184610Salfred 160184610Salfred cb(bus, &sc->sc_hw.isoc_start_pc, &sc->sc_hw.isoc_start_pg, 161184610Salfred sizeof(ohci_ed_t), OHCI_ED_ALIGN); 162184610Salfred 163184610Salfred for (i = 0; i != OHCI_NO_EDS; i++) { 164184610Salfred cb(bus, sc->sc_hw.intr_start_pc + i, sc->sc_hw.intr_start_pg + i, 165184610Salfred sizeof(ohci_ed_t), OHCI_ED_ALIGN); 166184610Salfred } 167184610Salfred} 168184610Salfred 169193045Sthompsastatic usb_error_t 170228483Shselaskyohci_controller_init(ohci_softc_t *sc, int do_suspend) 171184610Salfred{ 172192984Sthompsa struct usb_page_search buf_res; 173184610Salfred uint32_t i; 174184610Salfred uint32_t ctl; 175184610Salfred uint32_t ival; 176184610Salfred uint32_t hcr; 177184610Salfred uint32_t fm; 178184610Salfred uint32_t per; 179184610Salfred uint32_t desca; 180184610Salfred 181198501Sthompsa /* Determine in what context we are running. */ 182198501Sthompsa ctl = OREAD4(sc, OHCI_CONTROL); 183198501Sthompsa if (ctl & OHCI_IR) { 184198501Sthompsa /* SMM active, request change */ 185198501Sthompsa DPRINTF("SMM active, request owner change\n"); 186198501Sthompsa OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_OCR); 187198501Sthompsa for (i = 0; (i < 100) && (ctl & OHCI_IR); i++) { 188198501Sthompsa usb_pause_mtx(NULL, hz / 1000); 189198501Sthompsa ctl = OREAD4(sc, OHCI_CONTROL); 190198501Sthompsa } 191198501Sthompsa if (ctl & OHCI_IR) { 192198501Sthompsa device_printf(sc->sc_bus.bdev, 193198501Sthompsa "SMM does not respond, resetting\n"); 194198501Sthompsa OWRITE4(sc, OHCI_CONTROL, OHCI_HCFS_RESET); 195198501Sthompsa goto reset; 196198501Sthompsa } 197198501Sthompsa } else { 198198501Sthompsa DPRINTF("cold started\n"); 199198501Sthompsareset: 200198501Sthompsa /* controller was cold started */ 201198501Sthompsa usb_pause_mtx(NULL, 202198501Sthompsa USB_MS_TO_TICKS(USB_BUS_RESET_DELAY)); 203198501Sthompsa } 204198501Sthompsa 205184610Salfred /* 206184610Salfred * This reset should not be necessary according to the OHCI spec, but 207184610Salfred * without it some controllers do not start. 208184610Salfred */ 209184610Salfred DPRINTF("%s: resetting\n", device_get_nameunit(sc->sc_bus.bdev)); 210184610Salfred OWRITE4(sc, OHCI_CONTROL, OHCI_HCFS_RESET); 211184610Salfred 212194228Sthompsa usb_pause_mtx(NULL, 213188409Sthompsa USB_MS_TO_TICKS(USB_BUS_RESET_DELAY)); 214184610Salfred 215184610Salfred /* we now own the host controller and the bus has been reset */ 216184610Salfred ival = OHCI_GET_IVAL(OREAD4(sc, OHCI_FM_INTERVAL)); 217184610Salfred 218184610Salfred OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_HCR); /* Reset HC */ 219184610Salfred /* nominal time for a reset is 10 us */ 220184610Salfred for (i = 0; i < 10; i++) { 221184610Salfred DELAY(10); 222184610Salfred hcr = OREAD4(sc, OHCI_COMMAND_STATUS) & OHCI_HCR; 223184610Salfred if (!hcr) { 224184610Salfred break; 225184610Salfred } 226184610Salfred } 227184610Salfred if (hcr) { 228184610Salfred device_printf(sc->sc_bus.bdev, "reset timeout\n"); 229184610Salfred return (USB_ERR_IOERROR); 230184610Salfred } 231194677Sthompsa#ifdef USB_DEBUG 232184610Salfred if (ohcidebug > 15) { 233184610Salfred ohci_dumpregs(sc); 234184610Salfred } 235184610Salfred#endif 236184610Salfred 237228483Shselasky if (do_suspend) { 238228483Shselasky OWRITE4(sc, OHCI_CONTROL, OHCI_HCFS_SUSPEND); 239228483Shselasky return (USB_ERR_NORMAL_COMPLETION); 240228483Shselasky } 241228483Shselasky 242184610Salfred /* The controller is now in SUSPEND state, we have 2ms to finish. */ 243184610Salfred 244184610Salfred /* set up HC registers */ 245194228Sthompsa usbd_get_page(&sc->sc_hw.hcca_pc, 0, &buf_res); 246184610Salfred OWRITE4(sc, OHCI_HCCA, buf_res.physaddr); 247184610Salfred 248194228Sthompsa usbd_get_page(&sc->sc_hw.ctrl_start_pc, 0, &buf_res); 249184610Salfred OWRITE4(sc, OHCI_CONTROL_HEAD_ED, buf_res.physaddr); 250184610Salfred 251194228Sthompsa usbd_get_page(&sc->sc_hw.bulk_start_pc, 0, &buf_res); 252184610Salfred OWRITE4(sc, OHCI_BULK_HEAD_ED, buf_res.physaddr); 253184610Salfred 254184610Salfred /* disable all interrupts and then switch on all desired interrupts */ 255184610Salfred OWRITE4(sc, OHCI_INTERRUPT_DISABLE, OHCI_ALL_INTRS); 256184610Salfred OWRITE4(sc, OHCI_INTERRUPT_ENABLE, sc->sc_eintrs | OHCI_MIE); 257184610Salfred /* switch on desired functional features */ 258184610Salfred ctl = OREAD4(sc, OHCI_CONTROL); 259184610Salfred ctl &= ~(OHCI_CBSR_MASK | OHCI_LES | OHCI_HCFS_MASK | OHCI_IR); 260184610Salfred ctl |= OHCI_PLE | OHCI_IE | OHCI_CLE | OHCI_BLE | 261184610Salfred OHCI_RATIO_1_4 | OHCI_HCFS_OPERATIONAL; 262184610Salfred /* And finally start it! */ 263184610Salfred OWRITE4(sc, OHCI_CONTROL, ctl); 264184610Salfred 265184610Salfred /* 266184610Salfred * The controller is now OPERATIONAL. Set a some final 267184610Salfred * registers that should be set earlier, but that the 268184610Salfred * controller ignores when in the SUSPEND state. 269184610Salfred */ 270184610Salfred fm = (OREAD4(sc, OHCI_FM_INTERVAL) & OHCI_FIT) ^ OHCI_FIT; 271184610Salfred fm |= OHCI_FSMPS(ival) | ival; 272184610Salfred OWRITE4(sc, OHCI_FM_INTERVAL, fm); 273184610Salfred per = OHCI_PERIODIC(ival); /* 90% periodic */ 274184610Salfred OWRITE4(sc, OHCI_PERIODIC_START, per); 275184610Salfred 276184610Salfred /* Fiddle the No OverCurrent Protection bit to avoid chip bug. */ 277184610Salfred desca = OREAD4(sc, OHCI_RH_DESCRIPTOR_A); 278184610Salfred OWRITE4(sc, OHCI_RH_DESCRIPTOR_A, desca | OHCI_NOCP); 279184610Salfred OWRITE4(sc, OHCI_RH_STATUS, OHCI_LPSC); /* Enable port power */ 280194228Sthompsa usb_pause_mtx(NULL, 281188409Sthompsa USB_MS_TO_TICKS(OHCI_ENABLE_POWER_DELAY)); 282184610Salfred OWRITE4(sc, OHCI_RH_DESCRIPTOR_A, desca); 283184610Salfred 284184610Salfred /* 285184610Salfred * The AMD756 requires a delay before re-reading the register, 286184610Salfred * otherwise it will occasionally report 0 ports. 287184610Salfred */ 288184610Salfred sc->sc_noport = 0; 289184610Salfred for (i = 0; (i < 10) && (sc->sc_noport == 0); i++) { 290194228Sthompsa usb_pause_mtx(NULL, 291188409Sthompsa USB_MS_TO_TICKS(OHCI_READ_DESC_DELAY)); 292184610Salfred sc->sc_noport = OHCI_GET_NDP(OREAD4(sc, OHCI_RH_DESCRIPTOR_A)); 293184610Salfred } 294184610Salfred 295194677Sthompsa#ifdef USB_DEBUG 296184610Salfred if (ohcidebug > 5) { 297184610Salfred ohci_dumpregs(sc); 298184610Salfred } 299184610Salfred#endif 300184610Salfred return (USB_ERR_NORMAL_COMPLETION); 301184610Salfred} 302184610Salfred 303184610Salfredstatic struct ohci_ed * 304192984Sthompsaohci_init_ed(struct usb_page_cache *pc) 305184610Salfred{ 306192984Sthompsa struct usb_page_search buf_res; 307184610Salfred struct ohci_ed *ed; 308184610Salfred 309194228Sthompsa usbd_get_page(pc, 0, &buf_res); 310184610Salfred 311184610Salfred ed = buf_res.buffer; 312184610Salfred 313184610Salfred ed->ed_self = htole32(buf_res.physaddr); 314184610Salfred ed->ed_flags = htole32(OHCI_ED_SKIP); 315184610Salfred ed->page_cache = pc; 316184610Salfred 317184610Salfred return (ed); 318184610Salfred} 319184610Salfred 320193045Sthompsausb_error_t 321184610Salfredohci_init(ohci_softc_t *sc) 322184610Salfred{ 323192984Sthompsa struct usb_page_search buf_res; 324184610Salfred uint16_t i; 325184610Salfred uint16_t bit; 326184610Salfred uint16_t x; 327184610Salfred uint16_t y; 328184610Salfred 329184610Salfred DPRINTF("start\n"); 330184610Salfred 331184610Salfred sc->sc_eintrs = OHCI_NORMAL_INTRS; 332184610Salfred 333184610Salfred /* 334184610Salfred * Setup all ED's 335184610Salfred */ 336184610Salfred 337184610Salfred sc->sc_ctrl_p_last = 338184610Salfred ohci_init_ed(&sc->sc_hw.ctrl_start_pc); 339184610Salfred 340184610Salfred sc->sc_bulk_p_last = 341184610Salfred ohci_init_ed(&sc->sc_hw.bulk_start_pc); 342184610Salfred 343184610Salfred sc->sc_isoc_p_last = 344184610Salfred ohci_init_ed(&sc->sc_hw.isoc_start_pc); 345184610Salfred 346184610Salfred for (i = 0; i != OHCI_NO_EDS; i++) { 347184610Salfred sc->sc_intr_p_last[i] = 348184610Salfred ohci_init_ed(sc->sc_hw.intr_start_pc + i); 349184610Salfred } 350184610Salfred 351184610Salfred /* 352184610Salfred * the QHs are arranged to give poll intervals that are 353184610Salfred * powers of 2 times 1ms 354184610Salfred */ 355184610Salfred bit = OHCI_NO_EDS / 2; 356184610Salfred while (bit) { 357184610Salfred x = bit; 358184610Salfred while (x & bit) { 359184610Salfred ohci_ed_t *ed_x; 360184610Salfred ohci_ed_t *ed_y; 361184610Salfred 362184610Salfred y = (x ^ bit) | (bit / 2); 363184610Salfred 364184610Salfred /* 365184610Salfred * the next QH has half the poll interval 366184610Salfred */ 367184610Salfred ed_x = sc->sc_intr_p_last[x]; 368184610Salfred ed_y = sc->sc_intr_p_last[y]; 369184610Salfred 370184610Salfred ed_x->next = NULL; 371184610Salfred ed_x->ed_next = ed_y->ed_self; 372184610Salfred 373184610Salfred x++; 374184610Salfred } 375184610Salfred bit >>= 1; 376184610Salfred } 377184610Salfred 378184610Salfred if (1) { 379184610Salfred 380184610Salfred ohci_ed_t *ed_int; 381184610Salfred ohci_ed_t *ed_isc; 382184610Salfred 383184610Salfred ed_int = sc->sc_intr_p_last[0]; 384184610Salfred ed_isc = sc->sc_isoc_p_last; 385184610Salfred 386184610Salfred /* the last (1ms) QH */ 387184610Salfred ed_int->next = ed_isc; 388184610Salfred ed_int->ed_next = ed_isc->ed_self; 389184610Salfred } 390194228Sthompsa usbd_get_page(&sc->sc_hw.hcca_pc, 0, &buf_res); 391184610Salfred 392184610Salfred sc->sc_hcca_p = buf_res.buffer; 393184610Salfred 394184610Salfred /* 395184610Salfred * Fill HCCA interrupt table. The bit reversal is to get 396184610Salfred * the tree set up properly to spread the interrupts. 397184610Salfred */ 398184610Salfred for (i = 0; i != OHCI_NO_INTRS; i++) { 399184610Salfred sc->sc_hcca_p->hcca_interrupt_table[i] = 400184610Salfred sc->sc_intr_p_last[i | (OHCI_NO_EDS / 2)]->ed_self; 401184610Salfred } 402184610Salfred /* flush all cache into memory */ 403184610Salfred 404194228Sthompsa usb_bus_mem_flush_all(&sc->sc_bus, &ohci_iterate_hw_softc); 405184610Salfred 406184610Salfred /* set up the bus struct */ 407184610Salfred sc->sc_bus.methods = &ohci_bus_methods; 408184610Salfred 409194228Sthompsa usb_callout_init_mtx(&sc->sc_tmo_rhsc, &sc->sc_bus.bus_mtx, 0); 410184610Salfred 411194677Sthompsa#ifdef USB_DEBUG 412184610Salfred if (ohcidebug > 15) { 413184610Salfred for (i = 0; i != OHCI_NO_EDS; i++) { 414184610Salfred printf("ed#%d ", i); 415184610Salfred ohci_dump_ed(sc->sc_intr_p_last[i]); 416184610Salfred } 417184610Salfred printf("iso "); 418184610Salfred ohci_dump_ed(sc->sc_isoc_p_last); 419184610Salfred } 420184610Salfred#endif 421184610Salfred 422184610Salfred sc->sc_bus.usbrev = USB_REV_1_0; 423184610Salfred 424228483Shselasky if (ohci_controller_init(sc, 0) != 0) 425184610Salfred return (USB_ERR_INVAL); 426228483Shselasky 427228483Shselasky /* catch any lost interrupts */ 428228483Shselasky ohci_do_poll(&sc->sc_bus); 429228483Shselasky return (USB_ERR_NORMAL_COMPLETION); 430184610Salfred} 431184610Salfred 432184610Salfred/* 433184610Salfred * shut down the controller when the system is going down 434184610Salfred */ 435184610Salfredvoid 436184610Salfredohci_detach(struct ohci_softc *sc) 437184610Salfred{ 438184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 439184610Salfred 440194228Sthompsa usb_callout_stop(&sc->sc_tmo_rhsc); 441184610Salfred 442184610Salfred OWRITE4(sc, OHCI_INTERRUPT_DISABLE, OHCI_ALL_INTRS); 443184610Salfred OWRITE4(sc, OHCI_CONTROL, OHCI_HCFS_RESET); 444184610Salfred 445188409Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 446188409Sthompsa 447184610Salfred /* XXX let stray task complete */ 448194228Sthompsa usb_pause_mtx(NULL, hz / 20); 449184610Salfred 450194228Sthompsa usb_callout_drain(&sc->sc_tmo_rhsc); 451184610Salfred} 452184610Salfred 453228483Shselaskystatic void 454184610Salfredohci_suspend(ohci_softc_t *sc) 455184610Salfred{ 456228483Shselasky DPRINTF("\n"); 457184610Salfred 458194677Sthompsa#ifdef USB_DEBUG 459228483Shselasky if (ohcidebug > 2) 460184610Salfred ohci_dumpregs(sc); 461184610Salfred#endif 462184610Salfred 463228483Shselasky /* reset HC and leave it suspended */ 464228483Shselasky ohci_controller_init(sc, 1); 465184610Salfred} 466184610Salfred 467228483Shselaskystatic void 468184610Salfredohci_resume(ohci_softc_t *sc) 469184610Salfred{ 470228483Shselasky DPRINTF("\n"); 471184610Salfred 472194677Sthompsa#ifdef USB_DEBUG 473228483Shselasky if (ohcidebug > 2) 474184610Salfred ohci_dumpregs(sc); 475184610Salfred#endif 476228483Shselasky 477184610Salfred /* some broken BIOSes never initialize the Controller chip */ 478228483Shselasky ohci_controller_init(sc, 0); 479184610Salfred 480184610Salfred /* catch any lost interrupts */ 481184610Salfred ohci_do_poll(&sc->sc_bus); 482184610Salfred} 483184610Salfred 484194677Sthompsa#ifdef USB_DEBUG 485184610Salfredstatic void 486184610Salfredohci_dumpregs(ohci_softc_t *sc) 487184610Salfred{ 488184610Salfred struct ohci_hcca *hcca; 489184610Salfred 490184610Salfred DPRINTF("ohci_dumpregs: rev=0x%08x control=0x%08x command=0x%08x\n", 491184610Salfred OREAD4(sc, OHCI_REVISION), 492184610Salfred OREAD4(sc, OHCI_CONTROL), 493184610Salfred OREAD4(sc, OHCI_COMMAND_STATUS)); 494184610Salfred DPRINTF(" intrstat=0x%08x intre=0x%08x intrd=0x%08x\n", 495184610Salfred OREAD4(sc, OHCI_INTERRUPT_STATUS), 496184610Salfred OREAD4(sc, OHCI_INTERRUPT_ENABLE), 497184610Salfred OREAD4(sc, OHCI_INTERRUPT_DISABLE)); 498184610Salfred DPRINTF(" hcca=0x%08x percur=0x%08x ctrlhd=0x%08x\n", 499184610Salfred OREAD4(sc, OHCI_HCCA), 500184610Salfred OREAD4(sc, OHCI_PERIOD_CURRENT_ED), 501184610Salfred OREAD4(sc, OHCI_CONTROL_HEAD_ED)); 502184610Salfred DPRINTF(" ctrlcur=0x%08x bulkhd=0x%08x bulkcur=0x%08x\n", 503184610Salfred OREAD4(sc, OHCI_CONTROL_CURRENT_ED), 504184610Salfred OREAD4(sc, OHCI_BULK_HEAD_ED), 505184610Salfred OREAD4(sc, OHCI_BULK_CURRENT_ED)); 506184610Salfred DPRINTF(" done=0x%08x fmival=0x%08x fmrem=0x%08x\n", 507184610Salfred OREAD4(sc, OHCI_DONE_HEAD), 508184610Salfred OREAD4(sc, OHCI_FM_INTERVAL), 509184610Salfred OREAD4(sc, OHCI_FM_REMAINING)); 510184610Salfred DPRINTF(" fmnum=0x%08x perst=0x%08x lsthrs=0x%08x\n", 511184610Salfred OREAD4(sc, OHCI_FM_NUMBER), 512184610Salfred OREAD4(sc, OHCI_PERIODIC_START), 513184610Salfred OREAD4(sc, OHCI_LS_THRESHOLD)); 514184610Salfred DPRINTF(" desca=0x%08x descb=0x%08x stat=0x%08x\n", 515184610Salfred OREAD4(sc, OHCI_RH_DESCRIPTOR_A), 516184610Salfred OREAD4(sc, OHCI_RH_DESCRIPTOR_B), 517184610Salfred OREAD4(sc, OHCI_RH_STATUS)); 518184610Salfred DPRINTF(" port1=0x%08x port2=0x%08x\n", 519184610Salfred OREAD4(sc, OHCI_RH_PORT_STATUS(1)), 520184610Salfred OREAD4(sc, OHCI_RH_PORT_STATUS(2))); 521184610Salfred 522184610Salfred hcca = ohci_get_hcca(sc); 523184610Salfred 524184610Salfred DPRINTF(" HCCA: frame_number=0x%04x done_head=0x%08x\n", 525184610Salfred le32toh(hcca->hcca_frame_number), 526184610Salfred le32toh(hcca->hcca_done_head)); 527184610Salfred} 528184610Salfredstatic void 529184610Salfredohci_dump_tds(ohci_td_t *std) 530184610Salfred{ 531184610Salfred for (; std; std = std->obj_next) { 532184610Salfred if (ohci_dump_td(std)) { 533184610Salfred break; 534184610Salfred } 535184610Salfred } 536184610Salfred} 537184610Salfred 538184610Salfredstatic uint8_t 539184610Salfredohci_dump_td(ohci_td_t *std) 540184610Salfred{ 541184610Salfred uint32_t td_flags; 542184610Salfred uint8_t temp; 543184610Salfred 544194228Sthompsa usb_pc_cpu_invalidate(std->page_cache); 545184610Salfred 546184610Salfred td_flags = le32toh(std->td_flags); 547184610Salfred temp = (std->td_next == 0); 548184610Salfred 549184610Salfred printf("TD(%p) at 0x%08x: %s%s%s%s%s delay=%d ec=%d " 550184610Salfred "cc=%d\ncbp=0x%08x next=0x%08x be=0x%08x\n", 551184610Salfred std, le32toh(std->td_self), 552184610Salfred (td_flags & OHCI_TD_R) ? "-R" : "", 553184610Salfred (td_flags & OHCI_TD_OUT) ? "-OUT" : "", 554184610Salfred (td_flags & OHCI_TD_IN) ? "-IN" : "", 555184610Salfred ((td_flags & OHCI_TD_TOGGLE_MASK) == OHCI_TD_TOGGLE_1) ? "-TOG1" : "", 556184610Salfred ((td_flags & OHCI_TD_TOGGLE_MASK) == OHCI_TD_TOGGLE_0) ? "-TOG0" : "", 557184610Salfred OHCI_TD_GET_DI(td_flags), 558184610Salfred OHCI_TD_GET_EC(td_flags), 559184610Salfred OHCI_TD_GET_CC(td_flags), 560184610Salfred le32toh(std->td_cbp), 561184610Salfred le32toh(std->td_next), 562184610Salfred le32toh(std->td_be)); 563184610Salfred 564184610Salfred return (temp); 565184610Salfred} 566184610Salfred 567184610Salfredstatic uint8_t 568184610Salfredohci_dump_itd(ohci_itd_t *sitd) 569184610Salfred{ 570184610Salfred uint32_t itd_flags; 571184610Salfred uint16_t i; 572184610Salfred uint8_t temp; 573184610Salfred 574194228Sthompsa usb_pc_cpu_invalidate(sitd->page_cache); 575184610Salfred 576184610Salfred itd_flags = le32toh(sitd->itd_flags); 577184610Salfred temp = (sitd->itd_next == 0); 578184610Salfred 579184610Salfred printf("ITD(%p) at 0x%08x: sf=%d di=%d fc=%d cc=%d\n" 580184610Salfred "bp0=0x%08x next=0x%08x be=0x%08x\n", 581184610Salfred sitd, le32toh(sitd->itd_self), 582184610Salfred OHCI_ITD_GET_SF(itd_flags), 583184610Salfred OHCI_ITD_GET_DI(itd_flags), 584184610Salfred OHCI_ITD_GET_FC(itd_flags), 585184610Salfred OHCI_ITD_GET_CC(itd_flags), 586184610Salfred le32toh(sitd->itd_bp0), 587184610Salfred le32toh(sitd->itd_next), 588184610Salfred le32toh(sitd->itd_be)); 589184610Salfred for (i = 0; i < OHCI_ITD_NOFFSET; i++) { 590184610Salfred printf("offs[%d]=0x%04x ", i, 591184610Salfred (uint32_t)le16toh(sitd->itd_offset[i])); 592184610Salfred } 593184610Salfred printf("\n"); 594184610Salfred 595184610Salfred return (temp); 596184610Salfred} 597184610Salfred 598184610Salfredstatic void 599184610Salfredohci_dump_itds(ohci_itd_t *sitd) 600184610Salfred{ 601184610Salfred for (; sitd; sitd = sitd->obj_next) { 602184610Salfred if (ohci_dump_itd(sitd)) { 603184610Salfred break; 604184610Salfred } 605184610Salfred } 606184610Salfred} 607184610Salfred 608184610Salfredstatic void 609184610Salfredohci_dump_ed(ohci_ed_t *sed) 610184610Salfred{ 611184610Salfred uint32_t ed_flags; 612184610Salfred uint32_t ed_headp; 613184610Salfred 614194228Sthompsa usb_pc_cpu_invalidate(sed->page_cache); 615184610Salfred 616184610Salfred ed_flags = le32toh(sed->ed_flags); 617184610Salfred ed_headp = le32toh(sed->ed_headp); 618184610Salfred 619184610Salfred printf("ED(%p) at 0x%08x: addr=%d endpt=%d maxp=%d flags=%s%s%s%s%s\n" 620184610Salfred "tailp=0x%08x headflags=%s%s headp=0x%08x nexted=0x%08x\n", 621184610Salfred sed, le32toh(sed->ed_self), 622184610Salfred OHCI_ED_GET_FA(ed_flags), 623184610Salfred OHCI_ED_GET_EN(ed_flags), 624184610Salfred OHCI_ED_GET_MAXP(ed_flags), 625184610Salfred (ed_flags & OHCI_ED_DIR_OUT) ? "-OUT" : "", 626184610Salfred (ed_flags & OHCI_ED_DIR_IN) ? "-IN" : "", 627184610Salfred (ed_flags & OHCI_ED_SPEED) ? "-LOWSPEED" : "", 628184610Salfred (ed_flags & OHCI_ED_SKIP) ? "-SKIP" : "", 629184610Salfred (ed_flags & OHCI_ED_FORMAT_ISO) ? "-ISO" : "", 630184610Salfred le32toh(sed->ed_tailp), 631184610Salfred (ed_headp & OHCI_HALTED) ? "-HALTED" : "", 632184610Salfred (ed_headp & OHCI_TOGGLECARRY) ? "-CARRY" : "", 633184610Salfred le32toh(sed->ed_headp), 634184610Salfred le32toh(sed->ed_next)); 635184610Salfred} 636184610Salfred 637184610Salfred#endif 638184610Salfred 639184610Salfredstatic void 640192984Sthompsaohci_transfer_intr_enqueue(struct usb_xfer *xfer) 641184610Salfred{ 642184610Salfred /* check for early completion */ 643184610Salfred if (ohci_check_transfer(xfer)) { 644184610Salfred return; 645184610Salfred } 646184610Salfred /* put transfer on interrupt queue */ 647194228Sthompsa usbd_transfer_enqueue(&xfer->xroot->bus->intr_q, xfer); 648184610Salfred 649184610Salfred /* start timeout, if any */ 650184610Salfred if (xfer->timeout != 0) { 651194228Sthompsa usbd_transfer_timeout_ms(xfer, &ohci_timeout, xfer->timeout); 652184610Salfred } 653184610Salfred} 654184610Salfred 655186730Salfred#define OHCI_APPEND_QH(sed,last) (last) = _ohci_append_qh(sed,last) 656184610Salfredstatic ohci_ed_t * 657186730Salfred_ohci_append_qh(ohci_ed_t *sed, ohci_ed_t *last) 658184610Salfred{ 659184610Salfred DPRINTFN(11, "%p to %p\n", sed, last); 660184610Salfred 661186730Salfred if (sed->prev != NULL) { 662186730Salfred /* should not happen */ 663186730Salfred DPRINTFN(0, "ED already linked!\n"); 664186730Salfred return (last); 665186730Salfred } 666184824Sthompsa /* (sc->sc_bus.bus_mtx) must be locked */ 667184610Salfred 668184610Salfred sed->next = last->next; 669184610Salfred sed->ed_next = last->ed_next; 670184610Salfred sed->ed_tailp = 0; 671184610Salfred 672184610Salfred sed->prev = last; 673184610Salfred 674194228Sthompsa usb_pc_cpu_flush(sed->page_cache); 675184610Salfred 676184610Salfred /* 677184610Salfred * the last->next->prev is never followed: sed->next->prev = sed; 678184610Salfred */ 679184610Salfred 680184610Salfred last->next = sed; 681184610Salfred last->ed_next = sed->ed_self; 682184610Salfred 683194228Sthompsa usb_pc_cpu_flush(last->page_cache); 684184610Salfred 685184610Salfred return (sed); 686184610Salfred} 687184610Salfred 688184610Salfred#define OHCI_REMOVE_QH(sed,last) (last) = _ohci_remove_qh(sed,last) 689184610Salfredstatic ohci_ed_t * 690184610Salfred_ohci_remove_qh(ohci_ed_t *sed, ohci_ed_t *last) 691184610Salfred{ 692184610Salfred DPRINTFN(11, "%p from %p\n", sed, last); 693184610Salfred 694184824Sthompsa /* (sc->sc_bus.bus_mtx) must be locked */ 695184610Salfred 696184610Salfred /* only remove if not removed from a queue */ 697184610Salfred if (sed->prev) { 698184610Salfred 699184610Salfred sed->prev->next = sed->next; 700184610Salfred sed->prev->ed_next = sed->ed_next; 701184610Salfred 702194228Sthompsa usb_pc_cpu_flush(sed->prev->page_cache); 703184610Salfred 704184610Salfred if (sed->next) { 705184610Salfred sed->next->prev = sed->prev; 706194228Sthompsa usb_pc_cpu_flush(sed->next->page_cache); 707184610Salfred } 708184610Salfred last = ((last == sed) ? sed->prev : last); 709184610Salfred 710184610Salfred sed->prev = 0; 711184610Salfred 712194228Sthompsa usb_pc_cpu_flush(sed->page_cache); 713184610Salfred } 714184610Salfred return (last); 715184610Salfred} 716184610Salfred 717184610Salfredstatic void 718192984Sthompsaohci_isoc_done(struct usb_xfer *xfer) 719184610Salfred{ 720184610Salfred uint8_t nframes; 721184610Salfred uint32_t *plen = xfer->frlengths; 722184610Salfred volatile uint16_t *olen; 723184610Salfred uint16_t len = 0; 724184610Salfred ohci_itd_t *td = xfer->td_transfer_first; 725184610Salfred 726184610Salfred while (1) { 727184610Salfred if (td == NULL) { 728184610Salfred panic("%s:%d: out of TD's\n", 729184610Salfred __FUNCTION__, __LINE__); 730184610Salfred } 731194677Sthompsa#ifdef USB_DEBUG 732184610Salfred if (ohcidebug > 5) { 733184610Salfred DPRINTF("isoc TD\n"); 734184610Salfred ohci_dump_itd(td); 735184610Salfred } 736184610Salfred#endif 737194228Sthompsa usb_pc_cpu_invalidate(td->page_cache); 738184610Salfred 739184610Salfred nframes = td->frames; 740184610Salfred olen = &td->itd_offset[0]; 741184610Salfred 742184610Salfred if (nframes > 8) { 743184610Salfred nframes = 8; 744184610Salfred } 745184610Salfred while (nframes--) { 746184610Salfred len = le16toh(*olen); 747184610Salfred 748184610Salfred if ((len >> 12) == OHCI_CC_NOT_ACCESSED) { 749184610Salfred len = 0; 750184610Salfred } else { 751184610Salfred len &= ((1 << 12) - 1); 752184610Salfred } 753184610Salfred 754184610Salfred if (len > *plen) { 755184610Salfred len = 0;/* invalid length */ 756184610Salfred } 757184610Salfred *plen = len; 758184610Salfred plen++; 759184610Salfred olen++; 760184610Salfred } 761184610Salfred 762184610Salfred if (((void *)td) == xfer->td_transfer_last) { 763184610Salfred break; 764184610Salfred } 765184610Salfred td = td->obj_next; 766184610Salfred } 767184610Salfred 768184610Salfred xfer->aframes = xfer->nframes; 769184610Salfred ohci_device_done(xfer, USB_ERR_NORMAL_COMPLETION); 770184610Salfred} 771184610Salfred 772194677Sthompsa#ifdef USB_DEBUG 773184610Salfredstatic const char *const 774184610Salfred ohci_cc_strs[] = 775184610Salfred{ 776184610Salfred "NO_ERROR", 777184610Salfred "CRC", 778184610Salfred "BIT_STUFFING", 779184610Salfred "DATA_TOGGLE_MISMATCH", 780184610Salfred 781184610Salfred "STALL", 782184610Salfred "DEVICE_NOT_RESPONDING", 783184610Salfred "PID_CHECK_FAILURE", 784184610Salfred "UNEXPECTED_PID", 785184610Salfred 786184610Salfred "DATA_OVERRUN", 787184610Salfred "DATA_UNDERRUN", 788184610Salfred "BUFFER_OVERRUN", 789184610Salfred "BUFFER_UNDERRUN", 790184610Salfred 791184610Salfred "reserved", 792184610Salfred "reserved", 793184610Salfred "NOT_ACCESSED", 794184610Salfred "NOT_ACCESSED" 795184610Salfred}; 796184610Salfred 797184610Salfred#endif 798184610Salfred 799193045Sthompsastatic usb_error_t 800192984Sthompsaohci_non_isoc_done_sub(struct usb_xfer *xfer) 801184610Salfred{ 802184610Salfred ohci_td_t *td; 803184610Salfred ohci_td_t *td_alt_next; 804184610Salfred uint32_t temp; 805184610Salfred uint32_t phy_start; 806184610Salfred uint32_t phy_end; 807184610Salfred uint32_t td_flags; 808184610Salfred uint16_t cc; 809184610Salfred 810184610Salfred td = xfer->td_transfer_cache; 811184610Salfred td_alt_next = td->alt_next; 812184610Salfred td_flags = 0; 813184610Salfred 814188409Sthompsa if (xfer->aframes != xfer->nframes) { 815194677Sthompsa usbd_xfer_set_frame_len(xfer, xfer->aframes, 0); 816188409Sthompsa } 817184610Salfred while (1) { 818184610Salfred 819194228Sthompsa usb_pc_cpu_invalidate(td->page_cache); 820184610Salfred phy_start = le32toh(td->td_cbp); 821184610Salfred td_flags = le32toh(td->td_flags); 822184610Salfred cc = OHCI_TD_GET_CC(td_flags); 823184610Salfred 824184610Salfred if (phy_start) { 825184610Salfred /* 826184610Salfred * short transfer - compute the number of remaining 827184610Salfred * bytes in the hardware buffer: 828184610Salfred */ 829184610Salfred phy_end = le32toh(td->td_be); 830184610Salfred temp = (OHCI_PAGE(phy_start ^ phy_end) ? 831184610Salfred (OHCI_PAGE_SIZE + 1) : 0x0001); 832184610Salfred temp += OHCI_PAGE_OFFSET(phy_end); 833184610Salfred temp -= OHCI_PAGE_OFFSET(phy_start); 834184610Salfred 835184610Salfred if (temp > td->len) { 836184610Salfred /* guard against corruption */ 837184610Salfred cc = OHCI_CC_STALL; 838184610Salfred } else if (xfer->aframes != xfer->nframes) { 839184610Salfred /* 840188409Sthompsa * Sum up total transfer length 841188409Sthompsa * in "frlengths[]": 842184610Salfred */ 843188409Sthompsa xfer->frlengths[xfer->aframes] += td->len - temp; 844184610Salfred } 845188409Sthompsa } else { 846188409Sthompsa if (xfer->aframes != xfer->nframes) { 847188409Sthompsa /* transfer was complete */ 848188409Sthompsa xfer->frlengths[xfer->aframes] += td->len; 849188409Sthompsa } 850184610Salfred } 851184610Salfred /* Check for last transfer */ 852184610Salfred if (((void *)td) == xfer->td_transfer_last) { 853184610Salfred td = NULL; 854184610Salfred break; 855184610Salfred } 856184610Salfred /* Check transfer status */ 857184610Salfred if (cc) { 858184610Salfred /* the transfer is finished */ 859184610Salfred td = NULL; 860184610Salfred break; 861184610Salfred } 862184610Salfred /* Check for short transfer */ 863184610Salfred if (phy_start) { 864184610Salfred if (xfer->flags_int.short_frames_ok) { 865184610Salfred /* follow alt next */ 866184610Salfred td = td->alt_next; 867184610Salfred } else { 868184610Salfred /* the transfer is finished */ 869184610Salfred td = NULL; 870184610Salfred } 871184610Salfred break; 872184610Salfred } 873184610Salfred td = td->obj_next; 874184610Salfred 875184610Salfred if (td->alt_next != td_alt_next) { 876184610Salfred /* this USB frame is complete */ 877184610Salfred break; 878184610Salfred } 879184610Salfred } 880184610Salfred 881184610Salfred /* update transfer cache */ 882184610Salfred 883184610Salfred xfer->td_transfer_cache = td; 884184610Salfred 885184610Salfred DPRINTFN(16, "error cc=%d (%s)\n", 886184610Salfred cc, ohci_cc_strs[cc]); 887184610Salfred 888184610Salfred return ((cc == 0) ? USB_ERR_NORMAL_COMPLETION : 889184610Salfred (cc == OHCI_CC_STALL) ? USB_ERR_STALLED : USB_ERR_IOERROR); 890184610Salfred} 891184610Salfred 892184610Salfredstatic void 893192984Sthompsaohci_non_isoc_done(struct usb_xfer *xfer) 894184610Salfred{ 895193045Sthompsa usb_error_t err = 0; 896184610Salfred 897193644Sthompsa DPRINTFN(13, "xfer=%p endpoint=%p transfer done\n", 898193644Sthompsa xfer, xfer->endpoint); 899184610Salfred 900194677Sthompsa#ifdef USB_DEBUG 901184610Salfred if (ohcidebug > 10) { 902184610Salfred ohci_dump_tds(xfer->td_transfer_first); 903184610Salfred } 904184610Salfred#endif 905184610Salfred 906184610Salfred /* reset scanner */ 907184610Salfred 908184610Salfred xfer->td_transfer_cache = xfer->td_transfer_first; 909184610Salfred 910184610Salfred if (xfer->flags_int.control_xfr) { 911184610Salfred 912184610Salfred if (xfer->flags_int.control_hdr) { 913184610Salfred 914184610Salfred err = ohci_non_isoc_done_sub(xfer); 915184610Salfred } 916184610Salfred xfer->aframes = 1; 917184610Salfred 918184610Salfred if (xfer->td_transfer_cache == NULL) { 919184610Salfred goto done; 920184610Salfred } 921184610Salfred } 922184610Salfred while (xfer->aframes != xfer->nframes) { 923184610Salfred 924184610Salfred err = ohci_non_isoc_done_sub(xfer); 925184610Salfred xfer->aframes++; 926184610Salfred 927184610Salfred if (xfer->td_transfer_cache == NULL) { 928184610Salfred goto done; 929184610Salfred } 930184610Salfred } 931184610Salfred 932184610Salfred if (xfer->flags_int.control_xfr && 933184610Salfred !xfer->flags_int.control_act) { 934184610Salfred 935184610Salfred err = ohci_non_isoc_done_sub(xfer); 936184610Salfred } 937184610Salfreddone: 938184610Salfred ohci_device_done(xfer, err); 939184610Salfred} 940184610Salfred 941184610Salfred/*------------------------------------------------------------------------* 942184610Salfred * ohci_check_transfer_sub 943184610Salfred *------------------------------------------------------------------------*/ 944184610Salfredstatic void 945192984Sthompsaohci_check_transfer_sub(struct usb_xfer *xfer) 946184610Salfred{ 947184610Salfred ohci_td_t *td; 948184610Salfred ohci_ed_t *ed; 949184610Salfred uint32_t phy_start; 950184610Salfred uint32_t td_flags; 951184610Salfred uint32_t td_next; 952184610Salfred uint16_t cc; 953184610Salfred 954184610Salfred td = xfer->td_transfer_cache; 955184610Salfred 956184610Salfred while (1) { 957184610Salfred 958194228Sthompsa usb_pc_cpu_invalidate(td->page_cache); 959184610Salfred phy_start = le32toh(td->td_cbp); 960184610Salfred td_flags = le32toh(td->td_flags); 961184610Salfred td_next = le32toh(td->td_next); 962184610Salfred 963184610Salfred /* Check for last transfer */ 964184610Salfred if (((void *)td) == xfer->td_transfer_last) { 965184610Salfred /* the transfer is finished */ 966184610Salfred td = NULL; 967184610Salfred break; 968184610Salfred } 969184610Salfred /* Check transfer status */ 970184610Salfred cc = OHCI_TD_GET_CC(td_flags); 971184610Salfred if (cc) { 972184610Salfred /* the transfer is finished */ 973184610Salfred td = NULL; 974184610Salfred break; 975184610Salfred } 976184610Salfred /* 977184610Salfred * Check if we reached the last packet 978184610Salfred * or if there is a short packet: 979184610Salfred */ 980184610Salfred 981184610Salfred if (((td_next & (~0xF)) == OHCI_TD_NEXT_END) || phy_start) { 982184610Salfred /* follow alt next */ 983184610Salfred td = td->alt_next; 984184610Salfred break; 985184610Salfred } 986184610Salfred td = td->obj_next; 987184610Salfred } 988184610Salfred 989184610Salfred /* update transfer cache */ 990184610Salfred 991184610Salfred xfer->td_transfer_cache = td; 992184610Salfred 993184610Salfred if (td) { 994184610Salfred 995184610Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 996184610Salfred 997184610Salfred ed->ed_headp = td->td_self; 998194228Sthompsa usb_pc_cpu_flush(ed->page_cache); 999184610Salfred 1000184610Salfred DPRINTFN(13, "xfer=%p following alt next\n", xfer); 1001190183Sthompsa 1002190183Sthompsa /* 1003190183Sthompsa * Make sure that the OHCI re-scans the schedule by 1004190183Sthompsa * writing the BLF and CLF bits: 1005190183Sthompsa */ 1006190183Sthompsa 1007191824Sthompsa if (xfer->xroot->udev->flags.self_suspended) { 1008190183Sthompsa /* nothing to do */ 1009193644Sthompsa } else if (xfer->endpoint->methods == &ohci_device_bulk_methods) { 1010190183Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1011190183Sthompsa 1012190183Sthompsa OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_BLF); 1013193644Sthompsa } else if (xfer->endpoint->methods == &ohci_device_ctrl_methods) { 1014190183Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1015190183Sthompsa 1016190183Sthompsa OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_CLF); 1017190183Sthompsa } 1018184610Salfred } 1019184610Salfred} 1020184610Salfred 1021184610Salfred/*------------------------------------------------------------------------* 1022184610Salfred * ohci_check_transfer 1023184610Salfred * 1024184610Salfred * Return values: 1025184610Salfred * 0: USB transfer is not finished 1026184610Salfred * Else: USB transfer is finished 1027184610Salfred *------------------------------------------------------------------------*/ 1028184610Salfredstatic uint8_t 1029192984Sthompsaohci_check_transfer(struct usb_xfer *xfer) 1030184610Salfred{ 1031184610Salfred ohci_ed_t *ed; 1032184610Salfred uint32_t ed_headp; 1033184610Salfred uint32_t ed_tailp; 1034184610Salfred 1035184610Salfred DPRINTFN(13, "xfer=%p checking transfer\n", xfer); 1036184610Salfred 1037184610Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 1038184610Salfred 1039194228Sthompsa usb_pc_cpu_invalidate(ed->page_cache); 1040184610Salfred ed_headp = le32toh(ed->ed_headp); 1041184610Salfred ed_tailp = le32toh(ed->ed_tailp); 1042184610Salfred 1043190183Sthompsa if ((ed_headp & OHCI_HALTED) || 1044184610Salfred (((ed_headp ^ ed_tailp) & (~0xF)) == 0)) { 1045193644Sthompsa if (xfer->endpoint->methods == &ohci_device_isoc_methods) { 1046184610Salfred /* isochronous transfer */ 1047184610Salfred ohci_isoc_done(xfer); 1048184610Salfred } else { 1049184610Salfred if (xfer->flags_int.short_frames_ok) { 1050184610Salfred ohci_check_transfer_sub(xfer); 1051184610Salfred if (xfer->td_transfer_cache) { 1052184610Salfred /* not finished yet */ 1053184610Salfred return (0); 1054184610Salfred } 1055184610Salfred } 1056184610Salfred /* store data-toggle */ 1057184610Salfred if (ed_headp & OHCI_TOGGLECARRY) { 1058193644Sthompsa xfer->endpoint->toggle_next = 1; 1059184610Salfred } else { 1060193644Sthompsa xfer->endpoint->toggle_next = 0; 1061184610Salfred } 1062184610Salfred 1063184610Salfred /* non-isochronous transfer */ 1064184610Salfred ohci_non_isoc_done(xfer); 1065184610Salfred } 1066184610Salfred return (1); 1067184610Salfred } 1068184610Salfred DPRINTFN(13, "xfer=%p is still active\n", xfer); 1069184610Salfred return (0); 1070184610Salfred} 1071184610Salfred 1072184610Salfredstatic void 1073184610Salfredohci_rhsc_enable(ohci_softc_t *sc) 1074184610Salfred{ 1075184610Salfred DPRINTFN(5, "\n"); 1076184610Salfred 1077184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 1078184610Salfred 1079184610Salfred sc->sc_eintrs |= OHCI_RHSC; 1080184610Salfred OWRITE4(sc, OHCI_INTERRUPT_ENABLE, OHCI_RHSC); 1081184610Salfred 1082184610Salfred /* acknowledge any RHSC interrupt */ 1083184610Salfred OWRITE4(sc, OHCI_INTERRUPT_STATUS, OHCI_RHSC); 1084184610Salfred 1085190735Sthompsa ohci_root_intr(sc); 1086184610Salfred} 1087184610Salfred 1088184610Salfredstatic void 1089184610Salfredohci_interrupt_poll(ohci_softc_t *sc) 1090184610Salfred{ 1091192984Sthompsa struct usb_xfer *xfer; 1092184610Salfred 1093184610Salfredrepeat: 1094184610Salfred TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { 1095184610Salfred /* 1096184610Salfred * check if transfer is transferred 1097184610Salfred */ 1098184610Salfred if (ohci_check_transfer(xfer)) { 1099184610Salfred /* queue has been modified */ 1100184610Salfred goto repeat; 1101184610Salfred } 1102184610Salfred } 1103184610Salfred} 1104184610Salfred 1105184610Salfred/*------------------------------------------------------------------------* 1106184610Salfred * ohci_interrupt - OHCI interrupt handler 1107184610Salfred * 1108184610Salfred * NOTE: Do not access "sc->sc_bus.bdev" inside the interrupt handler, 1109184610Salfred * hence the interrupt handler will be setup before "sc->sc_bus.bdev" 1110184610Salfred * is present ! 1111184610Salfred *------------------------------------------------------------------------*/ 1112184610Salfredvoid 1113184610Salfredohci_interrupt(ohci_softc_t *sc) 1114184610Salfred{ 1115184610Salfred struct ohci_hcca *hcca; 1116184610Salfred uint32_t status; 1117184610Salfred uint32_t done; 1118184610Salfred 1119184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 1120184610Salfred 1121184610Salfred hcca = ohci_get_hcca(sc); 1122184610Salfred 1123184610Salfred DPRINTFN(16, "real interrupt\n"); 1124184610Salfred 1125194677Sthompsa#ifdef USB_DEBUG 1126184610Salfred if (ohcidebug > 15) { 1127184610Salfred ohci_dumpregs(sc); 1128184610Salfred } 1129184610Salfred#endif 1130184610Salfred 1131184610Salfred done = le32toh(hcca->hcca_done_head); 1132184610Salfred 1133184610Salfred /* 1134184610Salfred * The LSb of done is used to inform the HC Driver that an interrupt 1135184610Salfred * condition exists for both the Done list and for another event 1136184610Salfred * recorded in HcInterruptStatus. On an interrupt from the HC, the 1137184610Salfred * HC Driver checks the HccaDoneHead Value. If this value is 0, then 1138184610Salfred * the interrupt was caused by other than the HccaDoneHead update 1139184610Salfred * and the HcInterruptStatus register needs to be accessed to 1140184610Salfred * determine that exact interrupt cause. If HccaDoneHead is nonzero, 1141184610Salfred * then a Done list update interrupt is indicated and if the LSb of 1142184610Salfred * done is nonzero, then an additional interrupt event is indicated 1143184610Salfred * and HcInterruptStatus should be checked to determine its cause. 1144184610Salfred */ 1145184610Salfred if (done != 0) { 1146184610Salfred status = 0; 1147184610Salfred 1148184610Salfred if (done & ~OHCI_DONE_INTRS) { 1149184610Salfred status |= OHCI_WDH; 1150184610Salfred } 1151184610Salfred if (done & OHCI_DONE_INTRS) { 1152184610Salfred status |= OREAD4(sc, OHCI_INTERRUPT_STATUS); 1153184610Salfred } 1154184610Salfred hcca->hcca_done_head = 0; 1155184610Salfred 1156194228Sthompsa usb_pc_cpu_flush(&sc->sc_hw.hcca_pc); 1157184610Salfred } else { 1158184610Salfred status = OREAD4(sc, OHCI_INTERRUPT_STATUS) & ~OHCI_WDH; 1159184610Salfred } 1160184610Salfred 1161184610Salfred status &= ~OHCI_MIE; 1162184610Salfred if (status == 0) { 1163184610Salfred /* 1164184610Salfred * nothing to be done (PCI shared 1165184610Salfred * interrupt) 1166184610Salfred */ 1167184610Salfred goto done; 1168184610Salfred } 1169184610Salfred OWRITE4(sc, OHCI_INTERRUPT_STATUS, status); /* Acknowledge */ 1170184610Salfred 1171184610Salfred status &= sc->sc_eintrs; 1172184610Salfred if (status == 0) { 1173184610Salfred goto done; 1174184610Salfred } 1175184610Salfred if (status & (OHCI_SO | OHCI_RD | OHCI_UE | OHCI_RHSC)) { 1176184610Salfred#if 0 1177184610Salfred if (status & OHCI_SO) { 1178184610Salfred /* XXX do what */ 1179184610Salfred } 1180184610Salfred#endif 1181184610Salfred if (status & OHCI_RD) { 1182184610Salfred printf("%s: resume detect\n", __FUNCTION__); 1183184610Salfred /* XXX process resume detect */ 1184184610Salfred } 1185184610Salfred if (status & OHCI_UE) { 1186184610Salfred printf("%s: unrecoverable error, " 1187184610Salfred "controller halted\n", __FUNCTION__); 1188184610Salfred OWRITE4(sc, OHCI_CONTROL, OHCI_HCFS_RESET); 1189184610Salfred /* XXX what else */ 1190184610Salfred } 1191184610Salfred if (status & OHCI_RHSC) { 1192184610Salfred /* 1193184610Salfred * Disable RHSC interrupt for now, because it will be 1194184610Salfred * on until the port has been reset. 1195184610Salfred */ 1196184610Salfred sc->sc_eintrs &= ~OHCI_RHSC; 1197184610Salfred OWRITE4(sc, OHCI_INTERRUPT_DISABLE, OHCI_RHSC); 1198184610Salfred 1199190735Sthompsa ohci_root_intr(sc); 1200184610Salfred 1201184610Salfred /* do not allow RHSC interrupts > 1 per second */ 1202194228Sthompsa usb_callout_reset(&sc->sc_tmo_rhsc, hz, 1203184610Salfred (void *)&ohci_rhsc_enable, sc); 1204184610Salfred } 1205184610Salfred } 1206184610Salfred status &= ~(OHCI_RHSC | OHCI_WDH | OHCI_SO); 1207184610Salfred if (status != 0) { 1208184610Salfred /* Block unprocessed interrupts. XXX */ 1209184610Salfred OWRITE4(sc, OHCI_INTERRUPT_DISABLE, status); 1210184610Salfred sc->sc_eintrs &= ~status; 1211184610Salfred printf("%s: blocking intrs 0x%x\n", 1212184610Salfred __FUNCTION__, status); 1213184610Salfred } 1214184610Salfred /* poll all the USB transfers */ 1215184610Salfred ohci_interrupt_poll(sc); 1216184610Salfred 1217184610Salfreddone: 1218184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1219184610Salfred} 1220184610Salfred 1221184610Salfred/* 1222184610Salfred * called when a request does not complete 1223184610Salfred */ 1224184610Salfredstatic void 1225184610Salfredohci_timeout(void *arg) 1226184610Salfred{ 1227192984Sthompsa struct usb_xfer *xfer = arg; 1228184610Salfred 1229184610Salfred DPRINTF("xfer=%p\n", xfer); 1230184610Salfred 1231187173Sthompsa USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); 1232184610Salfred 1233184610Salfred /* transfer is transferred */ 1234184610Salfred ohci_device_done(xfer, USB_ERR_TIMEOUT); 1235184610Salfred} 1236184610Salfred 1237184610Salfredstatic void 1238192984Sthompsaohci_do_poll(struct usb_bus *bus) 1239184610Salfred{ 1240184610Salfred struct ohci_softc *sc = OHCI_BUS2SC(bus); 1241184610Salfred 1242184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 1243184610Salfred ohci_interrupt_poll(sc); 1244184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1245184610Salfred} 1246184610Salfred 1247184610Salfredstatic void 1248184610Salfredohci_setup_standard_chain_sub(struct ohci_std_temp *temp) 1249184610Salfred{ 1250192984Sthompsa struct usb_page_search buf_res; 1251184610Salfred ohci_td_t *td; 1252184610Salfred ohci_td_t *td_next; 1253184610Salfred ohci_td_t *td_alt_next; 1254184610Salfred uint32_t buf_offset; 1255184610Salfred uint32_t average; 1256184610Salfred uint32_t len_old; 1257184610Salfred uint8_t shortpkt_old; 1258184610Salfred uint8_t precompute; 1259184610Salfred 1260184610Salfred td_alt_next = NULL; 1261184610Salfred buf_offset = 0; 1262184610Salfred shortpkt_old = temp->shortpkt; 1263184610Salfred len_old = temp->len; 1264184610Salfred precompute = 1; 1265184610Salfred 1266184610Salfred /* software is used to detect short incoming transfers */ 1267184610Salfred 1268184610Salfred if ((temp->td_flags & htole32(OHCI_TD_DP_MASK)) == htole32(OHCI_TD_IN)) { 1269184610Salfred temp->td_flags |= htole32(OHCI_TD_R); 1270184610Salfred } else { 1271184610Salfred temp->td_flags &= ~htole32(OHCI_TD_R); 1272184610Salfred } 1273184610Salfred 1274184610Salfredrestart: 1275184610Salfred 1276184610Salfred td = temp->td; 1277184610Salfred td_next = temp->td_next; 1278184610Salfred 1279184610Salfred while (1) { 1280184610Salfred 1281184610Salfred if (temp->len == 0) { 1282184610Salfred 1283184610Salfred if (temp->shortpkt) { 1284184610Salfred break; 1285184610Salfred } 1286184610Salfred /* send a Zero Length Packet, ZLP, last */ 1287184610Salfred 1288184610Salfred temp->shortpkt = 1; 1289184610Salfred average = 0; 1290184610Salfred 1291184610Salfred } else { 1292184610Salfred 1293184610Salfred average = temp->average; 1294184610Salfred 1295184610Salfred if (temp->len < average) { 1296184610Salfred if (temp->len % temp->max_frame_size) { 1297184610Salfred temp->shortpkt = 1; 1298184610Salfred } 1299184610Salfred average = temp->len; 1300184610Salfred } 1301184610Salfred } 1302184610Salfred 1303184610Salfred if (td_next == NULL) { 1304184610Salfred panic("%s: out of OHCI transfer descriptors!", __FUNCTION__); 1305184610Salfred } 1306184610Salfred /* get next TD */ 1307184610Salfred 1308184610Salfred td = td_next; 1309184610Salfred td_next = td->obj_next; 1310184610Salfred 1311184610Salfred /* check if we are pre-computing */ 1312184610Salfred 1313184610Salfred if (precompute) { 1314184610Salfred 1315184610Salfred /* update remaining length */ 1316184610Salfred 1317184610Salfred temp->len -= average; 1318184610Salfred 1319184610Salfred continue; 1320184610Salfred } 1321184610Salfred /* fill out current TD */ 1322184610Salfred td->td_flags = temp->td_flags; 1323184610Salfred 1324184610Salfred /* the next TD uses TOGGLE_CARRY */ 1325184610Salfred temp->td_flags &= ~htole32(OHCI_TD_TOGGLE_MASK); 1326184610Salfred 1327184610Salfred if (average == 0) { 1328190471Sthompsa /* 1329190471Sthompsa * The buffer start and end phys addresses should be 1330190471Sthompsa * 0x0 for a zero length packet. 1331190471Sthompsa */ 1332184610Salfred td->td_cbp = 0; 1333190471Sthompsa td->td_be = 0; 1334184610Salfred td->len = 0; 1335184610Salfred 1336184610Salfred } else { 1337184610Salfred 1338194228Sthompsa usbd_get_page(temp->pc, buf_offset, &buf_res); 1339184610Salfred td->td_cbp = htole32(buf_res.physaddr); 1340184610Salfred buf_offset += (average - 1); 1341184610Salfred 1342194228Sthompsa usbd_get_page(temp->pc, buf_offset, &buf_res); 1343184610Salfred td->td_be = htole32(buf_res.physaddr); 1344184610Salfred buf_offset++; 1345184610Salfred 1346184610Salfred td->len = average; 1347184610Salfred 1348184610Salfred /* update remaining length */ 1349184610Salfred 1350184610Salfred temp->len -= average; 1351184610Salfred } 1352184610Salfred 1353184610Salfred if ((td_next == td_alt_next) && temp->setup_alt_next) { 1354184610Salfred /* we need to receive these frames one by one ! */ 1355184610Salfred td->td_flags &= htole32(~OHCI_TD_INTR_MASK); 1356184610Salfred td->td_flags |= htole32(OHCI_TD_SET_DI(1)); 1357184610Salfred td->td_next = htole32(OHCI_TD_NEXT_END); 1358184610Salfred } else { 1359184610Salfred if (td_next) { 1360184610Salfred /* link the current TD with the next one */ 1361184610Salfred td->td_next = td_next->td_self; 1362184610Salfred } 1363184610Salfred } 1364184610Salfred 1365184610Salfred td->alt_next = td_alt_next; 1366184610Salfred 1367194228Sthompsa usb_pc_cpu_flush(td->page_cache); 1368184610Salfred } 1369184610Salfred 1370184610Salfred if (precompute) { 1371184610Salfred precompute = 0; 1372184610Salfred 1373184610Salfred /* setup alt next pointer, if any */ 1374190183Sthompsa if (temp->last_frame) { 1375190183Sthompsa /* no alternate next */ 1376190183Sthompsa td_alt_next = NULL; 1377184610Salfred } else { 1378184610Salfred /* we use this field internally */ 1379184610Salfred td_alt_next = td_next; 1380184610Salfred } 1381184610Salfred 1382184610Salfred /* restore */ 1383184610Salfred temp->shortpkt = shortpkt_old; 1384184610Salfred temp->len = len_old; 1385184610Salfred goto restart; 1386184610Salfred } 1387184610Salfred temp->td = td; 1388184610Salfred temp->td_next = td_next; 1389184610Salfred} 1390184610Salfred 1391184610Salfredstatic void 1392192984Sthompsaohci_setup_standard_chain(struct usb_xfer *xfer, ohci_ed_t **ed_last) 1393184610Salfred{ 1394184610Salfred struct ohci_std_temp temp; 1395259218Shselasky const struct usb_pipe_methods *methods; 1396184610Salfred ohci_ed_t *ed; 1397184610Salfred ohci_td_t *td; 1398184610Salfred uint32_t ed_flags; 1399184610Salfred uint32_t x; 1400184610Salfred 1401184610Salfred DPRINTFN(9, "addr=%d endpt=%d sumlen=%d speed=%d\n", 1402193644Sthompsa xfer->address, UE_GET_ADDR(xfer->endpointno), 1403194228Sthompsa xfer->sumlen, usbd_get_speed(xfer->xroot->udev)); 1404184610Salfred 1405190181Sthompsa temp.average = xfer->max_hc_frame_size; 1406184610Salfred temp.max_frame_size = xfer->max_frame_size; 1407184610Salfred 1408184610Salfred /* toggle the DMA set we are using */ 1409184610Salfred xfer->flags_int.curr_dma_set ^= 1; 1410184610Salfred 1411184610Salfred /* get next DMA set */ 1412184610Salfred td = xfer->td_start[xfer->flags_int.curr_dma_set]; 1413184610Salfred 1414184610Salfred xfer->td_transfer_first = td; 1415184610Salfred xfer->td_transfer_cache = td; 1416184610Salfred 1417184610Salfred temp.td = NULL; 1418184610Salfred temp.td_next = td; 1419190183Sthompsa temp.last_frame = 0; 1420184610Salfred temp.setup_alt_next = xfer->flags_int.short_frames_ok; 1421184610Salfred 1422193644Sthompsa methods = xfer->endpoint->methods; 1423184610Salfred 1424184610Salfred /* check if we should prepend a setup message */ 1425184610Salfred 1426184610Salfred if (xfer->flags_int.control_xfr) { 1427184610Salfred if (xfer->flags_int.control_hdr) { 1428184610Salfred 1429184610Salfred temp.td_flags = htole32(OHCI_TD_SETUP | OHCI_TD_NOCC | 1430184610Salfred OHCI_TD_TOGGLE_0 | OHCI_TD_NOINTR); 1431184610Salfred 1432184610Salfred temp.len = xfer->frlengths[0]; 1433184610Salfred temp.pc = xfer->frbuffers + 0; 1434184610Salfred temp.shortpkt = temp.len ? 1 : 0; 1435190183Sthompsa /* check for last frame */ 1436190183Sthompsa if (xfer->nframes == 1) { 1437190183Sthompsa /* no STATUS stage yet, SETUP is last */ 1438190183Sthompsa if (xfer->flags_int.control_act) { 1439190183Sthompsa temp.last_frame = 1; 1440190183Sthompsa temp.setup_alt_next = 0; 1441190183Sthompsa } 1442190183Sthompsa } 1443184610Salfred ohci_setup_standard_chain_sub(&temp); 1444184610Salfred 1445184610Salfred /* 1446184610Salfred * XXX assume that the setup message is 1447184610Salfred * contained within one USB packet: 1448184610Salfred */ 1449193644Sthompsa xfer->endpoint->toggle_next = 1; 1450184610Salfred } 1451184610Salfred x = 1; 1452184610Salfred } else { 1453184610Salfred x = 0; 1454184610Salfred } 1455184610Salfred temp.td_flags = htole32(OHCI_TD_NOCC | OHCI_TD_NOINTR); 1456184610Salfred 1457184610Salfred /* set data toggle */ 1458184610Salfred 1459193644Sthompsa if (xfer->endpoint->toggle_next) { 1460184610Salfred temp.td_flags |= htole32(OHCI_TD_TOGGLE_1); 1461184610Salfred } else { 1462184610Salfred temp.td_flags |= htole32(OHCI_TD_TOGGLE_0); 1463184610Salfred } 1464184610Salfred 1465184610Salfred /* set endpoint direction */ 1466184610Salfred 1467193644Sthompsa if (UE_GET_DIR(xfer->endpointno) == UE_DIR_IN) { 1468184610Salfred temp.td_flags |= htole32(OHCI_TD_IN); 1469184610Salfred } else { 1470184610Salfred temp.td_flags |= htole32(OHCI_TD_OUT); 1471184610Salfred } 1472184610Salfred 1473184610Salfred while (x != xfer->nframes) { 1474184610Salfred 1475184610Salfred /* DATA0 / DATA1 message */ 1476184610Salfred 1477184610Salfred temp.len = xfer->frlengths[x]; 1478184610Salfred temp.pc = xfer->frbuffers + x; 1479184610Salfred 1480184610Salfred x++; 1481184610Salfred 1482184610Salfred if (x == xfer->nframes) { 1483190183Sthompsa if (xfer->flags_int.control_xfr) { 1484190183Sthompsa /* no STATUS stage yet, DATA is last */ 1485190183Sthompsa if (xfer->flags_int.control_act) { 1486190183Sthompsa temp.last_frame = 1; 1487190183Sthompsa temp.setup_alt_next = 0; 1488190183Sthompsa } 1489190183Sthompsa } else { 1490190183Sthompsa temp.last_frame = 1; 1491190183Sthompsa temp.setup_alt_next = 0; 1492190183Sthompsa } 1493184610Salfred } 1494184610Salfred if (temp.len == 0) { 1495184610Salfred 1496184610Salfred /* make sure that we send an USB packet */ 1497184610Salfred 1498184610Salfred temp.shortpkt = 0; 1499184610Salfred 1500184610Salfred } else { 1501184610Salfred 1502184610Salfred /* regular data transfer */ 1503184610Salfred 1504184610Salfred temp.shortpkt = (xfer->flags.force_short_xfer) ? 0 : 1; 1505184610Salfred } 1506184610Salfred 1507184610Salfred ohci_setup_standard_chain_sub(&temp); 1508184610Salfred } 1509184610Salfred 1510184610Salfred /* check if we should append a status stage */ 1511184610Salfred 1512184610Salfred if (xfer->flags_int.control_xfr && 1513184610Salfred !xfer->flags_int.control_act) { 1514184610Salfred 1515184610Salfred /* 1516184610Salfred * Send a DATA1 message and invert the current endpoint 1517184610Salfred * direction. 1518184610Salfred */ 1519184610Salfred 1520184610Salfred /* set endpoint direction and data toggle */ 1521184610Salfred 1522193644Sthompsa if (UE_GET_DIR(xfer->endpointno) == UE_DIR_IN) { 1523184610Salfred temp.td_flags = htole32(OHCI_TD_OUT | 1524184610Salfred OHCI_TD_NOCC | OHCI_TD_TOGGLE_1 | OHCI_TD_SET_DI(1)); 1525184610Salfred } else { 1526184610Salfred temp.td_flags = htole32(OHCI_TD_IN | 1527184610Salfred OHCI_TD_NOCC | OHCI_TD_TOGGLE_1 | OHCI_TD_SET_DI(1)); 1528184610Salfred } 1529184610Salfred 1530184610Salfred temp.len = 0; 1531184610Salfred temp.pc = NULL; 1532184610Salfred temp.shortpkt = 0; 1533190183Sthompsa temp.last_frame = 1; 1534190183Sthompsa temp.setup_alt_next = 0; 1535184610Salfred 1536184610Salfred ohci_setup_standard_chain_sub(&temp); 1537184610Salfred } 1538184610Salfred td = temp.td; 1539184610Salfred 1540190183Sthompsa /* Ensure that last TD is terminating: */ 1541184610Salfred td->td_next = htole32(OHCI_TD_NEXT_END); 1542184610Salfred td->td_flags &= ~htole32(OHCI_TD_INTR_MASK); 1543184610Salfred td->td_flags |= htole32(OHCI_TD_SET_DI(1)); 1544184610Salfred 1545194228Sthompsa usb_pc_cpu_flush(td->page_cache); 1546184610Salfred 1547184610Salfred /* must have at least one frame! */ 1548184610Salfred 1549184610Salfred xfer->td_transfer_last = td; 1550184610Salfred 1551194677Sthompsa#ifdef USB_DEBUG 1552184610Salfred if (ohcidebug > 8) { 1553184610Salfred DPRINTF("nexttog=%d; data before transfer:\n", 1554193644Sthompsa xfer->endpoint->toggle_next); 1555184610Salfred ohci_dump_tds(xfer->td_transfer_first); 1556184610Salfred } 1557184610Salfred#endif 1558184610Salfred 1559184610Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 1560184610Salfred 1561184610Salfred ed_flags = (OHCI_ED_SET_FA(xfer->address) | 1562193644Sthompsa OHCI_ED_SET_EN(UE_GET_ADDR(xfer->endpointno)) | 1563184610Salfred OHCI_ED_SET_MAXP(xfer->max_frame_size)); 1564184610Salfred 1565184610Salfred ed_flags |= (OHCI_ED_FORMAT_GEN | OHCI_ED_DIR_TD); 1566184610Salfred 1567187173Sthompsa if (xfer->xroot->udev->speed == USB_SPEED_LOW) { 1568184610Salfred ed_flags |= OHCI_ED_SPEED; 1569184610Salfred } 1570184610Salfred ed->ed_flags = htole32(ed_flags); 1571184610Salfred 1572184610Salfred td = xfer->td_transfer_first; 1573184610Salfred 1574186730Salfred ed->ed_headp = td->td_self; 1575184610Salfred 1576191824Sthompsa if (xfer->xroot->udev->flags.self_suspended == 0) { 1577187167Sthompsa /* the append function will flush the endpoint descriptor */ 1578186730Salfred OHCI_APPEND_QH(ed, *ed_last); 1579184610Salfred 1580186730Salfred if (methods == &ohci_device_bulk_methods) { 1581187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1582184610Salfred 1583186730Salfred OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_BLF); 1584186730Salfred } 1585186730Salfred if (methods == &ohci_device_ctrl_methods) { 1586187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1587186730Salfred 1588186730Salfred OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_CLF); 1589186730Salfred } 1590186730Salfred } else { 1591194228Sthompsa usb_pc_cpu_flush(ed->page_cache); 1592184610Salfred } 1593184610Salfred} 1594184610Salfred 1595184610Salfredstatic void 1596190735Sthompsaohci_root_intr(ohci_softc_t *sc) 1597184610Salfred{ 1598184610Salfred uint32_t hstatus; 1599184610Salfred uint16_t i; 1600184610Salfred uint16_t m; 1601184610Salfred 1602184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 1603184610Salfred 1604184610Salfred /* clear any old interrupt data */ 1605190735Sthompsa memset(sc->sc_hub_idata, 0, sizeof(sc->sc_hub_idata)); 1606184610Salfred 1607184610Salfred hstatus = OREAD4(sc, OHCI_RH_STATUS); 1608190735Sthompsa DPRINTF("sc=%p hstatus=0x%08x\n", 1609190735Sthompsa sc, hstatus); 1610184610Salfred 1611184610Salfred /* set bits */ 1612184610Salfred m = (sc->sc_noport + 1); 1613184610Salfred if (m > (8 * sizeof(sc->sc_hub_idata))) { 1614184610Salfred m = (8 * sizeof(sc->sc_hub_idata)); 1615184610Salfred } 1616184610Salfred for (i = 1; i < m; i++) { 1617184610Salfred /* pick out CHANGE bits from the status register */ 1618184610Salfred if (OREAD4(sc, OHCI_RH_PORT_STATUS(i)) >> 16) { 1619184610Salfred sc->sc_hub_idata[i / 8] |= 1 << (i % 8); 1620184610Salfred DPRINTF("port %d changed\n", i); 1621184610Salfred } 1622184610Salfred } 1623190735Sthompsa 1624190735Sthompsa uhub_root_intr(&sc->sc_bus, sc->sc_hub_idata, 1625190735Sthompsa sizeof(sc->sc_hub_idata)); 1626184610Salfred} 1627184610Salfred 1628184610Salfred/* NOTE: "done" can be run two times in a row, 1629184610Salfred * from close and from interrupt 1630184610Salfred */ 1631184610Salfredstatic void 1632193045Sthompsaohci_device_done(struct usb_xfer *xfer, usb_error_t error) 1633184610Salfred{ 1634259218Shselasky const struct usb_pipe_methods *methods = xfer->endpoint->methods; 1635187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1636184610Salfred ohci_ed_t *ed; 1637184610Salfred 1638184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 1639184610Salfred 1640184610Salfred 1641193644Sthompsa DPRINTFN(2, "xfer=%p, endpoint=%p, error=%d\n", 1642193644Sthompsa xfer, xfer->endpoint, error); 1643184610Salfred 1644184610Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 1645184610Salfred if (ed) { 1646194228Sthompsa usb_pc_cpu_invalidate(ed->page_cache); 1647184610Salfred } 1648184610Salfred if (methods == &ohci_device_bulk_methods) { 1649184610Salfred OHCI_REMOVE_QH(ed, sc->sc_bulk_p_last); 1650184610Salfred } 1651184610Salfred if (methods == &ohci_device_ctrl_methods) { 1652184610Salfred OHCI_REMOVE_QH(ed, sc->sc_ctrl_p_last); 1653184610Salfred } 1654184610Salfred if (methods == &ohci_device_intr_methods) { 1655184610Salfred OHCI_REMOVE_QH(ed, sc->sc_intr_p_last[xfer->qh_pos]); 1656184610Salfred } 1657184610Salfred if (methods == &ohci_device_isoc_methods) { 1658184610Salfred OHCI_REMOVE_QH(ed, sc->sc_isoc_p_last); 1659184610Salfred } 1660184610Salfred xfer->td_transfer_first = NULL; 1661184610Salfred xfer->td_transfer_last = NULL; 1662184610Salfred 1663184610Salfred /* dequeue transfer and start next transfer */ 1664194228Sthompsa usbd_transfer_done(xfer, error); 1665184610Salfred} 1666184610Salfred 1667184610Salfred/*------------------------------------------------------------------------* 1668184610Salfred * ohci bulk support 1669184610Salfred *------------------------------------------------------------------------*/ 1670184610Salfredstatic void 1671192984Sthompsaohci_device_bulk_open(struct usb_xfer *xfer) 1672184610Salfred{ 1673184610Salfred return; 1674184610Salfred} 1675184610Salfred 1676184610Salfredstatic void 1677192984Sthompsaohci_device_bulk_close(struct usb_xfer *xfer) 1678184610Salfred{ 1679184610Salfred ohci_device_done(xfer, USB_ERR_CANCELLED); 1680184610Salfred} 1681184610Salfred 1682184610Salfredstatic void 1683192984Sthompsaohci_device_bulk_enter(struct usb_xfer *xfer) 1684184610Salfred{ 1685184610Salfred return; 1686184610Salfred} 1687184610Salfred 1688184610Salfredstatic void 1689192984Sthompsaohci_device_bulk_start(struct usb_xfer *xfer) 1690184610Salfred{ 1691187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1692184610Salfred 1693184610Salfred /* setup TD's and QH */ 1694184610Salfred ohci_setup_standard_chain(xfer, &sc->sc_bulk_p_last); 1695184610Salfred 1696184610Salfred /* put transfer on interrupt queue */ 1697184610Salfred ohci_transfer_intr_enqueue(xfer); 1698184610Salfred} 1699184610Salfred 1700259218Shselaskystatic const struct usb_pipe_methods ohci_device_bulk_methods = 1701184610Salfred{ 1702184610Salfred .open = ohci_device_bulk_open, 1703184610Salfred .close = ohci_device_bulk_close, 1704184610Salfred .enter = ohci_device_bulk_enter, 1705184610Salfred .start = ohci_device_bulk_start, 1706184610Salfred}; 1707184610Salfred 1708184610Salfred/*------------------------------------------------------------------------* 1709184610Salfred * ohci control support 1710184610Salfred *------------------------------------------------------------------------*/ 1711184610Salfredstatic void 1712192984Sthompsaohci_device_ctrl_open(struct usb_xfer *xfer) 1713184610Salfred{ 1714184610Salfred return; 1715184610Salfred} 1716184610Salfred 1717184610Salfredstatic void 1718192984Sthompsaohci_device_ctrl_close(struct usb_xfer *xfer) 1719184610Salfred{ 1720184610Salfred ohci_device_done(xfer, USB_ERR_CANCELLED); 1721184610Salfred} 1722184610Salfred 1723184610Salfredstatic void 1724192984Sthompsaohci_device_ctrl_enter(struct usb_xfer *xfer) 1725184610Salfred{ 1726184610Salfred return; 1727184610Salfred} 1728184610Salfred 1729184610Salfredstatic void 1730192984Sthompsaohci_device_ctrl_start(struct usb_xfer *xfer) 1731184610Salfred{ 1732187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1733184610Salfred 1734184610Salfred /* setup TD's and QH */ 1735184610Salfred ohci_setup_standard_chain(xfer, &sc->sc_ctrl_p_last); 1736184610Salfred 1737184610Salfred /* put transfer on interrupt queue */ 1738184610Salfred ohci_transfer_intr_enqueue(xfer); 1739184610Salfred} 1740184610Salfred 1741259218Shselaskystatic const struct usb_pipe_methods ohci_device_ctrl_methods = 1742184610Salfred{ 1743184610Salfred .open = ohci_device_ctrl_open, 1744184610Salfred .close = ohci_device_ctrl_close, 1745184610Salfred .enter = ohci_device_ctrl_enter, 1746184610Salfred .start = ohci_device_ctrl_start, 1747184610Salfred}; 1748184610Salfred 1749184610Salfred/*------------------------------------------------------------------------* 1750184610Salfred * ohci interrupt support 1751184610Salfred *------------------------------------------------------------------------*/ 1752184610Salfredstatic void 1753192984Sthompsaohci_device_intr_open(struct usb_xfer *xfer) 1754184610Salfred{ 1755187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1756184610Salfred uint16_t best; 1757184610Salfred uint16_t bit; 1758184610Salfred uint16_t x; 1759184610Salfred 1760184610Salfred best = 0; 1761184610Salfred bit = OHCI_NO_EDS / 2; 1762184610Salfred while (bit) { 1763184610Salfred if (xfer->interval >= bit) { 1764184610Salfred x = bit; 1765184610Salfred best = bit; 1766184610Salfred while (x & bit) { 1767184610Salfred if (sc->sc_intr_stat[x] < 1768184610Salfred sc->sc_intr_stat[best]) { 1769184610Salfred best = x; 1770184610Salfred } 1771184610Salfred x++; 1772184610Salfred } 1773184610Salfred break; 1774184610Salfred } 1775184610Salfred bit >>= 1; 1776184610Salfred } 1777184610Salfred 1778184610Salfred sc->sc_intr_stat[best]++; 1779184610Salfred xfer->qh_pos = best; 1780184610Salfred 1781184610Salfred DPRINTFN(3, "best=%d interval=%d\n", 1782184610Salfred best, xfer->interval); 1783184610Salfred} 1784184610Salfred 1785184610Salfredstatic void 1786192984Sthompsaohci_device_intr_close(struct usb_xfer *xfer) 1787184610Salfred{ 1788187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1789184610Salfred 1790184610Salfred sc->sc_intr_stat[xfer->qh_pos]--; 1791184610Salfred 1792184610Salfred ohci_device_done(xfer, USB_ERR_CANCELLED); 1793184610Salfred} 1794184610Salfred 1795184610Salfredstatic void 1796192984Sthompsaohci_device_intr_enter(struct usb_xfer *xfer) 1797184610Salfred{ 1798184610Salfred return; 1799184610Salfred} 1800184610Salfred 1801184610Salfredstatic void 1802192984Sthompsaohci_device_intr_start(struct usb_xfer *xfer) 1803184610Salfred{ 1804187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1805184610Salfred 1806184610Salfred /* setup TD's and QH */ 1807184610Salfred ohci_setup_standard_chain(xfer, &sc->sc_intr_p_last[xfer->qh_pos]); 1808184610Salfred 1809184610Salfred /* put transfer on interrupt queue */ 1810184610Salfred ohci_transfer_intr_enqueue(xfer); 1811184610Salfred} 1812184610Salfred 1813259218Shselaskystatic const struct usb_pipe_methods ohci_device_intr_methods = 1814184610Salfred{ 1815184610Salfred .open = ohci_device_intr_open, 1816184610Salfred .close = ohci_device_intr_close, 1817184610Salfred .enter = ohci_device_intr_enter, 1818184610Salfred .start = ohci_device_intr_start, 1819184610Salfred}; 1820184610Salfred 1821184610Salfred/*------------------------------------------------------------------------* 1822184610Salfred * ohci isochronous support 1823184610Salfred *------------------------------------------------------------------------*/ 1824184610Salfredstatic void 1825192984Sthompsaohci_device_isoc_open(struct usb_xfer *xfer) 1826184610Salfred{ 1827184610Salfred return; 1828184610Salfred} 1829184610Salfred 1830184610Salfredstatic void 1831192984Sthompsaohci_device_isoc_close(struct usb_xfer *xfer) 1832184610Salfred{ 1833184610Salfred /**/ 1834184610Salfred ohci_device_done(xfer, USB_ERR_CANCELLED); 1835184610Salfred} 1836184610Salfred 1837184610Salfredstatic void 1838192984Sthompsaohci_device_isoc_enter(struct usb_xfer *xfer) 1839184610Salfred{ 1840192984Sthompsa struct usb_page_search buf_res; 1841187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1842184610Salfred struct ohci_hcca *hcca; 1843184610Salfred uint32_t buf_offset; 1844184610Salfred uint32_t nframes; 1845184610Salfred uint32_t ed_flags; 1846184610Salfred uint32_t *plen; 1847184610Salfred uint16_t itd_offset[OHCI_ITD_NOFFSET]; 1848184610Salfred uint16_t length; 1849184610Salfred uint8_t ncur; 1850184610Salfred ohci_itd_t *td; 1851184610Salfred ohci_itd_t *td_last = NULL; 1852184610Salfred ohci_ed_t *ed; 1853184610Salfred 1854184610Salfred hcca = ohci_get_hcca(sc); 1855184610Salfred 1856184610Salfred nframes = le32toh(hcca->hcca_frame_number); 1857184610Salfred 1858184610Salfred DPRINTFN(6, "xfer=%p isoc_next=%u nframes=%u hcca_fn=%u\n", 1859193644Sthompsa xfer, xfer->endpoint->isoc_next, xfer->nframes, nframes); 1860184610Salfred 1861193644Sthompsa if ((xfer->endpoint->is_synced == 0) || 1862193644Sthompsa (((nframes - xfer->endpoint->isoc_next) & 0xFFFF) < xfer->nframes) || 1863193644Sthompsa (((xfer->endpoint->isoc_next - nframes) & 0xFFFF) >= 128)) { 1864184610Salfred /* 1865184610Salfred * If there is data underflow or the pipe queue is empty we 1866184610Salfred * schedule the transfer a few frames ahead of the current 1867184610Salfred * frame position. Else two isochronous transfers might 1868184610Salfred * overlap. 1869184610Salfred */ 1870193644Sthompsa xfer->endpoint->isoc_next = (nframes + 3) & 0xFFFF; 1871193644Sthompsa xfer->endpoint->is_synced = 1; 1872193644Sthompsa DPRINTFN(3, "start next=%d\n", xfer->endpoint->isoc_next); 1873184610Salfred } 1874184610Salfred /* 1875184610Salfred * compute how many milliseconds the insertion is ahead of the 1876184610Salfred * current frame position: 1877184610Salfred */ 1878193644Sthompsa buf_offset = ((xfer->endpoint->isoc_next - nframes) & 0xFFFF); 1879184610Salfred 1880184610Salfred /* 1881184610Salfred * pre-compute when the isochronous transfer will be finished: 1882184610Salfred */ 1883184610Salfred xfer->isoc_time_complete = 1884194228Sthompsa (usb_isoc_time_expand(&sc->sc_bus, nframes) + buf_offset + 1885184610Salfred xfer->nframes); 1886184610Salfred 1887184610Salfred /* get the real number of frames */ 1888184610Salfred 1889184610Salfred nframes = xfer->nframes; 1890184610Salfred 1891184610Salfred buf_offset = 0; 1892184610Salfred 1893184610Salfred plen = xfer->frlengths; 1894184610Salfred 1895184610Salfred /* toggle the DMA set we are using */ 1896184610Salfred xfer->flags_int.curr_dma_set ^= 1; 1897184610Salfred 1898184610Salfred /* get next DMA set */ 1899184610Salfred td = xfer->td_start[xfer->flags_int.curr_dma_set]; 1900184610Salfred 1901184610Salfred xfer->td_transfer_first = td; 1902184610Salfred 1903184610Salfred ncur = 0; 1904184610Salfred length = 0; 1905184610Salfred 1906184610Salfred while (nframes--) { 1907184610Salfred if (td == NULL) { 1908184610Salfred panic("%s:%d: out of TD's\n", 1909184610Salfred __FUNCTION__, __LINE__); 1910184610Salfred } 1911184610Salfred itd_offset[ncur] = length; 1912184610Salfred buf_offset += *plen; 1913184610Salfred length += *plen; 1914184610Salfred plen++; 1915184610Salfred ncur++; 1916184610Salfred 1917184610Salfred if ( /* check if the ITD is full */ 1918184610Salfred (ncur == OHCI_ITD_NOFFSET) || 1919184610Salfred /* check if we have put more than 4K into the ITD */ 1920184610Salfred (length & 0xF000) || 1921184610Salfred /* check if it is the last frame */ 1922184610Salfred (nframes == 0)) { 1923184610Salfred 1924184610Salfred /* fill current ITD */ 1925184610Salfred td->itd_flags = htole32( 1926184610Salfred OHCI_ITD_NOCC | 1927193644Sthompsa OHCI_ITD_SET_SF(xfer->endpoint->isoc_next) | 1928184610Salfred OHCI_ITD_NOINTR | 1929184610Salfred OHCI_ITD_SET_FC(ncur)); 1930184610Salfred 1931184610Salfred td->frames = ncur; 1932193644Sthompsa xfer->endpoint->isoc_next += ncur; 1933184610Salfred 1934184610Salfred if (length == 0) { 1935184610Salfred /* all zero */ 1936184610Salfred td->itd_bp0 = 0; 1937184610Salfred td->itd_be = ~0; 1938184610Salfred 1939184610Salfred while (ncur--) { 1940184610Salfred td->itd_offset[ncur] = 1941184610Salfred htole16(OHCI_ITD_MK_OFFS(0)); 1942184610Salfred } 1943184610Salfred } else { 1944194228Sthompsa usbd_get_page(xfer->frbuffers, buf_offset - length, &buf_res); 1945184610Salfred length = OHCI_PAGE_MASK(buf_res.physaddr); 1946184610Salfred buf_res.physaddr = 1947184610Salfred OHCI_PAGE(buf_res.physaddr); 1948184610Salfred td->itd_bp0 = htole32(buf_res.physaddr); 1949194228Sthompsa usbd_get_page(xfer->frbuffers, buf_offset - 1, &buf_res); 1950184610Salfred td->itd_be = htole32(buf_res.physaddr); 1951184610Salfred 1952184610Salfred while (ncur--) { 1953184610Salfred itd_offset[ncur] += length; 1954184610Salfred itd_offset[ncur] = 1955184610Salfred OHCI_ITD_MK_OFFS(itd_offset[ncur]); 1956184610Salfred td->itd_offset[ncur] = 1957184610Salfred htole16(itd_offset[ncur]); 1958184610Salfred } 1959184610Salfred } 1960184610Salfred ncur = 0; 1961184610Salfred length = 0; 1962184610Salfred td_last = td; 1963184610Salfred td = td->obj_next; 1964184610Salfred 1965184610Salfred if (td) { 1966184610Salfred /* link the last TD with the next one */ 1967184610Salfred td_last->itd_next = td->itd_self; 1968184610Salfred } 1969194228Sthompsa usb_pc_cpu_flush(td_last->page_cache); 1970184610Salfred } 1971184610Salfred } 1972184610Salfred 1973184610Salfred /* update the last TD */ 1974184610Salfred td_last->itd_flags &= ~htole32(OHCI_ITD_NOINTR); 1975184610Salfred td_last->itd_flags |= htole32(OHCI_ITD_SET_DI(0)); 1976184610Salfred td_last->itd_next = 0; 1977184610Salfred 1978194228Sthompsa usb_pc_cpu_flush(td_last->page_cache); 1979184610Salfred 1980184610Salfred xfer->td_transfer_last = td_last; 1981184610Salfred 1982194677Sthompsa#ifdef USB_DEBUG 1983184610Salfred if (ohcidebug > 8) { 1984184610Salfred DPRINTF("data before transfer:\n"); 1985184610Salfred ohci_dump_itds(xfer->td_transfer_first); 1986184610Salfred } 1987184610Salfred#endif 1988184610Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 1989184610Salfred 1990193644Sthompsa if (UE_GET_DIR(xfer->endpointno) == UE_DIR_IN) 1991184610Salfred ed_flags = (OHCI_ED_DIR_IN | OHCI_ED_FORMAT_ISO); 1992184610Salfred else 1993184610Salfred ed_flags = (OHCI_ED_DIR_OUT | OHCI_ED_FORMAT_ISO); 1994184610Salfred 1995184610Salfred ed_flags |= (OHCI_ED_SET_FA(xfer->address) | 1996193644Sthompsa OHCI_ED_SET_EN(UE_GET_ADDR(xfer->endpointno)) | 1997184610Salfred OHCI_ED_SET_MAXP(xfer->max_frame_size)); 1998184610Salfred 1999187173Sthompsa if (xfer->xroot->udev->speed == USB_SPEED_LOW) { 2000184610Salfred ed_flags |= OHCI_ED_SPEED; 2001184610Salfred } 2002184610Salfred ed->ed_flags = htole32(ed_flags); 2003184610Salfred 2004184610Salfred td = xfer->td_transfer_first; 2005184610Salfred 2006186730Salfred ed->ed_headp = td->itd_self; 2007186730Salfred 2008186730Salfred /* isochronous transfers are not affected by suspend / resume */ 2009187167Sthompsa /* the append function will flush the endpoint descriptor */ 2010186730Salfred 2011186730Salfred OHCI_APPEND_QH(ed, sc->sc_isoc_p_last); 2012184610Salfred} 2013184610Salfred 2014184610Salfredstatic void 2015192984Sthompsaohci_device_isoc_start(struct usb_xfer *xfer) 2016184610Salfred{ 2017184610Salfred /* put transfer on interrupt queue */ 2018184610Salfred ohci_transfer_intr_enqueue(xfer); 2019184610Salfred} 2020184610Salfred 2021259218Shselaskystatic const struct usb_pipe_methods ohci_device_isoc_methods = 2022184610Salfred{ 2023184610Salfred .open = ohci_device_isoc_open, 2024184610Salfred .close = ohci_device_isoc_close, 2025184610Salfred .enter = ohci_device_isoc_enter, 2026184610Salfred .start = ohci_device_isoc_start, 2027184610Salfred}; 2028184610Salfred 2029184610Salfred/*------------------------------------------------------------------------* 2030184610Salfred * ohci root control support 2031184610Salfred *------------------------------------------------------------------------* 2032190735Sthompsa * Simulate a hardware hub by handling all the necessary requests. 2033184610Salfred *------------------------------------------------------------------------*/ 2034184610Salfred 2035184610Salfredstatic const 2036192984Sthompsastruct usb_device_descriptor ohci_devd = 2037184610Salfred{ 2038192984Sthompsa sizeof(struct usb_device_descriptor), 2039184610Salfred UDESC_DEVICE, /* type */ 2040184610Salfred {0x00, 0x01}, /* USB version */ 2041184610Salfred UDCLASS_HUB, /* class */ 2042184610Salfred UDSUBCLASS_HUB, /* subclass */ 2043184610Salfred UDPROTO_FSHUB, /* protocol */ 2044184610Salfred 64, /* max packet */ 2045184610Salfred {0}, {0}, {0x00, 0x01}, /* device id */ 2046298932Spfg 1, 2, 0, /* string indexes */ 2047184610Salfred 1 /* # of configurations */ 2048184610Salfred}; 2049184610Salfred 2050184610Salfredstatic const 2051184610Salfredstruct ohci_config_desc ohci_confd = 2052184610Salfred{ 2053184610Salfred .confd = { 2054192984Sthompsa .bLength = sizeof(struct usb_config_descriptor), 2055184610Salfred .bDescriptorType = UDESC_CONFIG, 2056184610Salfred .wTotalLength[0] = sizeof(ohci_confd), 2057184610Salfred .bNumInterface = 1, 2058184610Salfred .bConfigurationValue = 1, 2059184610Salfred .iConfiguration = 0, 2060184610Salfred .bmAttributes = UC_SELF_POWERED, 2061184610Salfred .bMaxPower = 0, /* max power */ 2062184610Salfred }, 2063184610Salfred .ifcd = { 2064192984Sthompsa .bLength = sizeof(struct usb_interface_descriptor), 2065184610Salfred .bDescriptorType = UDESC_INTERFACE, 2066184610Salfred .bNumEndpoints = 1, 2067184610Salfred .bInterfaceClass = UICLASS_HUB, 2068184610Salfred .bInterfaceSubClass = UISUBCLASS_HUB, 2069213802Shselasky .bInterfaceProtocol = 0, 2070184610Salfred }, 2071184610Salfred .endpd = { 2072192984Sthompsa .bLength = sizeof(struct usb_endpoint_descriptor), 2073184610Salfred .bDescriptorType = UDESC_ENDPOINT, 2074184610Salfred .bEndpointAddress = UE_DIR_IN | OHCI_INTR_ENDPT, 2075184610Salfred .bmAttributes = UE_INTERRUPT, 2076184610Salfred .wMaxPacketSize[0] = 32,/* max packet (255 ports) */ 2077184610Salfred .bInterval = 255, 2078184610Salfred }, 2079184610Salfred}; 2080184610Salfred 2081184610Salfredstatic const 2082192984Sthompsastruct usb_hub_descriptor ohci_hubd = 2083184610Salfred{ 2084233774Shselasky .bDescLength = 0, /* dynamic length */ 2085233774Shselasky .bDescriptorType = UDESC_HUB, 2086184610Salfred}; 2087184610Salfred 2088193045Sthompsastatic usb_error_t 2089192984Sthompsaohci_roothub_exec(struct usb_device *udev, 2090192984Sthompsa struct usb_device_request *req, const void **pptr, uint16_t *plength) 2091184610Salfred{ 2092191402Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(udev->bus); 2093191402Sthompsa const void *ptr; 2094191402Sthompsa const char *str_ptr; 2095184610Salfred uint32_t port; 2096184610Salfred uint32_t v; 2097191402Sthompsa uint16_t len; 2098184610Salfred uint16_t value; 2099184610Salfred uint16_t index; 2100184610Salfred uint8_t l; 2101193045Sthompsa usb_error_t err; 2102184610Salfred 2103184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 2104184610Salfred 2105184610Salfred /* buffer reset */ 2106191402Sthompsa ptr = (const void *)&sc->sc_hub_desc.temp; 2107191402Sthompsa len = 0; 2108191402Sthompsa err = 0; 2109184610Salfred 2110191402Sthompsa value = UGETW(req->wValue); 2111191402Sthompsa index = UGETW(req->wIndex); 2112184610Salfred 2113184610Salfred DPRINTFN(3, "type=0x%02x request=0x%02x wLen=0x%04x " 2114184610Salfred "wValue=0x%04x wIndex=0x%04x\n", 2115191402Sthompsa req->bmRequestType, req->bRequest, 2116191402Sthompsa UGETW(req->wLength), value, index); 2117184610Salfred 2118184610Salfred#define C(x,y) ((x) | ((y) << 8)) 2119191402Sthompsa switch (C(req->bRequest, req->bmRequestType)) { 2120184610Salfred case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE): 2121184610Salfred case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE): 2122184610Salfred case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT): 2123184610Salfred /* 2124184610Salfred * DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops 2125184610Salfred * for the integrated root hub. 2126184610Salfred */ 2127184610Salfred break; 2128184610Salfred case C(UR_GET_CONFIG, UT_READ_DEVICE): 2129191402Sthompsa len = 1; 2130184610Salfred sc->sc_hub_desc.temp[0] = sc->sc_conf; 2131184610Salfred break; 2132184610Salfred case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE): 2133184610Salfred switch (value >> 8) { 2134184610Salfred case UDESC_DEVICE: 2135184610Salfred if ((value & 0xff) != 0) { 2136191402Sthompsa err = USB_ERR_IOERROR; 2137184610Salfred goto done; 2138184610Salfred } 2139191402Sthompsa len = sizeof(ohci_devd); 2140191402Sthompsa ptr = (const void *)&ohci_devd; 2141184610Salfred break; 2142184610Salfred 2143184610Salfred case UDESC_CONFIG: 2144184610Salfred if ((value & 0xff) != 0) { 2145191402Sthompsa err = USB_ERR_IOERROR; 2146184610Salfred goto done; 2147184610Salfred } 2148191402Sthompsa len = sizeof(ohci_confd); 2149191402Sthompsa ptr = (const void *)&ohci_confd; 2150184610Salfred break; 2151184610Salfred 2152184610Salfred case UDESC_STRING: 2153184610Salfred switch (value & 0xff) { 2154184610Salfred case 0: /* Language table */ 2155191402Sthompsa str_ptr = "\001"; 2156184610Salfred break; 2157184610Salfred 2158184610Salfred case 1: /* Vendor */ 2159191402Sthompsa str_ptr = sc->sc_vendor; 2160184610Salfred break; 2161184610Salfred 2162184610Salfred case 2: /* Product */ 2163191402Sthompsa str_ptr = "OHCI root HUB"; 2164184610Salfred break; 2165184610Salfred 2166184610Salfred default: 2167191402Sthompsa str_ptr = ""; 2168184610Salfred break; 2169184610Salfred } 2170184610Salfred 2171194228Sthompsa len = usb_make_str_desc( 2172191402Sthompsa sc->sc_hub_desc.temp, 2173184610Salfred sizeof(sc->sc_hub_desc.temp), 2174191402Sthompsa str_ptr); 2175184610Salfred break; 2176184610Salfred 2177184610Salfred default: 2178191402Sthompsa err = USB_ERR_IOERROR; 2179184610Salfred goto done; 2180184610Salfred } 2181184610Salfred break; 2182184610Salfred case C(UR_GET_INTERFACE, UT_READ_INTERFACE): 2183191402Sthompsa len = 1; 2184184610Salfred sc->sc_hub_desc.temp[0] = 0; 2185184610Salfred break; 2186184610Salfred case C(UR_GET_STATUS, UT_READ_DEVICE): 2187191402Sthompsa len = 2; 2188184610Salfred USETW(sc->sc_hub_desc.stat.wStatus, UDS_SELF_POWERED); 2189184610Salfred break; 2190184610Salfred case C(UR_GET_STATUS, UT_READ_INTERFACE): 2191184610Salfred case C(UR_GET_STATUS, UT_READ_ENDPOINT): 2192191402Sthompsa len = 2; 2193184610Salfred USETW(sc->sc_hub_desc.stat.wStatus, 0); 2194184610Salfred break; 2195184610Salfred case C(UR_SET_ADDRESS, UT_WRITE_DEVICE): 2196190174Sthompsa if (value >= OHCI_MAX_DEVICES) { 2197191402Sthompsa err = USB_ERR_IOERROR; 2198184610Salfred goto done; 2199184610Salfred } 2200184610Salfred sc->sc_addr = value; 2201184610Salfred break; 2202184610Salfred case C(UR_SET_CONFIG, UT_WRITE_DEVICE): 2203184610Salfred if ((value != 0) && (value != 1)) { 2204191402Sthompsa err = USB_ERR_IOERROR; 2205184610Salfred goto done; 2206184610Salfred } 2207184610Salfred sc->sc_conf = value; 2208184610Salfred break; 2209184610Salfred case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE): 2210184610Salfred break; 2211184610Salfred case C(UR_SET_FEATURE, UT_WRITE_DEVICE): 2212184610Salfred case C(UR_SET_FEATURE, UT_WRITE_INTERFACE): 2213184610Salfred case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT): 2214191402Sthompsa err = USB_ERR_IOERROR; 2215184610Salfred goto done; 2216184610Salfred case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE): 2217184610Salfred break; 2218184610Salfred case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT): 2219184610Salfred break; 2220184610Salfred /* Hub requests */ 2221184610Salfred case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE): 2222184610Salfred break; 2223184610Salfred case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER): 2224184610Salfred DPRINTFN(9, "UR_CLEAR_PORT_FEATURE " 2225184610Salfred "port=%d feature=%d\n", 2226184610Salfred index, value); 2227184610Salfred if ((index < 1) || 2228184610Salfred (index > sc->sc_noport)) { 2229191402Sthompsa err = USB_ERR_IOERROR; 2230184610Salfred goto done; 2231184610Salfred } 2232184610Salfred port = OHCI_RH_PORT_STATUS(index); 2233184610Salfred switch (value) { 2234184610Salfred case UHF_PORT_ENABLE: 2235184610Salfred OWRITE4(sc, port, UPS_CURRENT_CONNECT_STATUS); 2236184610Salfred break; 2237184610Salfred case UHF_PORT_SUSPEND: 2238184610Salfred OWRITE4(sc, port, UPS_OVERCURRENT_INDICATOR); 2239184610Salfred break; 2240184610Salfred case UHF_PORT_POWER: 2241184610Salfred /* Yes, writing to the LOW_SPEED bit clears power. */ 2242184610Salfred OWRITE4(sc, port, UPS_LOW_SPEED); 2243184610Salfred break; 2244184610Salfred case UHF_C_PORT_CONNECTION: 2245184610Salfred OWRITE4(sc, port, UPS_C_CONNECT_STATUS << 16); 2246184610Salfred break; 2247184610Salfred case UHF_C_PORT_ENABLE: 2248184610Salfred OWRITE4(sc, port, UPS_C_PORT_ENABLED << 16); 2249184610Salfred break; 2250184610Salfred case UHF_C_PORT_SUSPEND: 2251184610Salfred OWRITE4(sc, port, UPS_C_SUSPEND << 16); 2252184610Salfred break; 2253184610Salfred case UHF_C_PORT_OVER_CURRENT: 2254184610Salfred OWRITE4(sc, port, UPS_C_OVERCURRENT_INDICATOR << 16); 2255184610Salfred break; 2256184610Salfred case UHF_C_PORT_RESET: 2257184610Salfred OWRITE4(sc, port, UPS_C_PORT_RESET << 16); 2258184610Salfred break; 2259184610Salfred default: 2260191402Sthompsa err = USB_ERR_IOERROR; 2261184610Salfred goto done; 2262184610Salfred } 2263184610Salfred switch (value) { 2264184610Salfred case UHF_C_PORT_CONNECTION: 2265184610Salfred case UHF_C_PORT_ENABLE: 2266184610Salfred case UHF_C_PORT_SUSPEND: 2267184610Salfred case UHF_C_PORT_OVER_CURRENT: 2268184610Salfred case UHF_C_PORT_RESET: 2269184610Salfred /* enable RHSC interrupt if condition is cleared. */ 2270186454Sthompsa if ((OREAD4(sc, port) >> 16) == 0) 2271184610Salfred ohci_rhsc_enable(sc); 2272184610Salfred break; 2273184610Salfred default: 2274184610Salfred break; 2275184610Salfred } 2276184610Salfred break; 2277184610Salfred case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE): 2278184610Salfred if ((value & 0xff) != 0) { 2279191402Sthompsa err = USB_ERR_IOERROR; 2280184610Salfred goto done; 2281184610Salfred } 2282184610Salfred v = OREAD4(sc, OHCI_RH_DESCRIPTOR_A); 2283184610Salfred 2284184610Salfred sc->sc_hub_desc.hubd = ohci_hubd; 2285184610Salfred sc->sc_hub_desc.hubd.bNbrPorts = sc->sc_noport; 2286184610Salfred USETW(sc->sc_hub_desc.hubd.wHubCharacteristics, 2287184610Salfred (v & OHCI_NPS ? UHD_PWR_NO_SWITCH : 2288184610Salfred v & OHCI_PSM ? UHD_PWR_GANGED : UHD_PWR_INDIVIDUAL) 2289184610Salfred /* XXX overcurrent */ 2290184610Salfred ); 2291184610Salfred sc->sc_hub_desc.hubd.bPwrOn2PwrGood = OHCI_GET_POTPGT(v); 2292184610Salfred v = OREAD4(sc, OHCI_RH_DESCRIPTOR_B); 2293184610Salfred 2294184610Salfred for (l = 0; l < sc->sc_noport; l++) { 2295184610Salfred if (v & 1) { 2296184610Salfred sc->sc_hub_desc.hubd.DeviceRemovable[l / 8] |= (1 << (l % 8)); 2297184610Salfred } 2298184610Salfred v >>= 1; 2299184610Salfred } 2300184610Salfred sc->sc_hub_desc.hubd.bDescLength = 2301184610Salfred 8 + ((sc->sc_noport + 7) / 8); 2302191402Sthompsa len = sc->sc_hub_desc.hubd.bDescLength; 2303184610Salfred break; 2304184610Salfred 2305184610Salfred case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE): 2306191402Sthompsa len = 16; 2307227461Shselasky memset(sc->sc_hub_desc.temp, 0, 16); 2308184610Salfred break; 2309184610Salfred case C(UR_GET_STATUS, UT_READ_CLASS_OTHER): 2310184610Salfred DPRINTFN(9, "get port status i=%d\n", 2311184610Salfred index); 2312184610Salfred if ((index < 1) || 2313184610Salfred (index > sc->sc_noport)) { 2314191402Sthompsa err = USB_ERR_IOERROR; 2315184610Salfred goto done; 2316184610Salfred } 2317184610Salfred v = OREAD4(sc, OHCI_RH_PORT_STATUS(index)); 2318184610Salfred DPRINTFN(9, "port status=0x%04x\n", v); 2319241082Shselasky v &= ~UPS_PORT_MODE_DEVICE; /* force host mode */ 2320184610Salfred USETW(sc->sc_hub_desc.ps.wPortStatus, v); 2321184610Salfred USETW(sc->sc_hub_desc.ps.wPortChange, v >> 16); 2322191402Sthompsa len = sizeof(sc->sc_hub_desc.ps); 2323184610Salfred break; 2324184610Salfred case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE): 2325191402Sthompsa err = USB_ERR_IOERROR; 2326184610Salfred goto done; 2327184610Salfred case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE): 2328184610Salfred break; 2329184610Salfred case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER): 2330184610Salfred if ((index < 1) || 2331184610Salfred (index > sc->sc_noport)) { 2332191402Sthompsa err = USB_ERR_IOERROR; 2333184610Salfred goto done; 2334184610Salfred } 2335184610Salfred port = OHCI_RH_PORT_STATUS(index); 2336184610Salfred switch (value) { 2337184610Salfred case UHF_PORT_ENABLE: 2338184610Salfred OWRITE4(sc, port, UPS_PORT_ENABLED); 2339184610Salfred break; 2340184610Salfred case UHF_PORT_SUSPEND: 2341184610Salfred OWRITE4(sc, port, UPS_SUSPEND); 2342184610Salfred break; 2343184610Salfred case UHF_PORT_RESET: 2344184610Salfred DPRINTFN(6, "reset port %d\n", index); 2345184610Salfred OWRITE4(sc, port, UPS_RESET); 2346184610Salfred for (v = 0;; v++) { 2347184610Salfred if (v < 12) { 2348194228Sthompsa usb_pause_mtx(&sc->sc_bus.bus_mtx, 2349241987Shselasky USB_MS_TO_TICKS(usb_port_root_reset_delay)); 2350184610Salfred 2351184610Salfred if ((OREAD4(sc, port) & UPS_RESET) == 0) { 2352184610Salfred break; 2353184610Salfred } 2354184610Salfred } else { 2355191402Sthompsa err = USB_ERR_TIMEOUT; 2356184610Salfred goto done; 2357184610Salfred } 2358184610Salfred } 2359184610Salfred DPRINTFN(9, "ohci port %d reset, status = 0x%04x\n", 2360184610Salfred index, OREAD4(sc, port)); 2361184610Salfred break; 2362184610Salfred case UHF_PORT_POWER: 2363184610Salfred DPRINTFN(3, "set port power %d\n", index); 2364184610Salfred OWRITE4(sc, port, UPS_PORT_POWER); 2365184610Salfred break; 2366184610Salfred default: 2367191402Sthompsa err = USB_ERR_IOERROR; 2368184610Salfred goto done; 2369184610Salfred } 2370184610Salfred break; 2371184610Salfred default: 2372191402Sthompsa err = USB_ERR_IOERROR; 2373184610Salfred goto done; 2374184610Salfred } 2375184610Salfreddone: 2376191402Sthompsa *plength = len; 2377191402Sthompsa *pptr = ptr; 2378191402Sthompsa return (err); 2379184610Salfred} 2380184610Salfred 2381184610Salfredstatic void 2382192984Sthompsaohci_xfer_setup(struct usb_setup_params *parm) 2383184610Salfred{ 2384192984Sthompsa struct usb_page_search page_info; 2385192984Sthompsa struct usb_page_cache *pc; 2386184610Salfred ohci_softc_t *sc; 2387192984Sthompsa struct usb_xfer *xfer; 2388184610Salfred void *last_obj; 2389184610Salfred uint32_t ntd; 2390184610Salfred uint32_t nitd; 2391184610Salfred uint32_t nqh; 2392184610Salfred uint32_t n; 2393184610Salfred 2394184610Salfred sc = OHCI_BUS2SC(parm->udev->bus); 2395184610Salfred xfer = parm->curr_xfer; 2396184610Salfred 2397184610Salfred parm->hc_max_packet_size = 0x500; 2398184610Salfred parm->hc_max_packet_count = 1; 2399184610Salfred parm->hc_max_frame_size = OHCI_PAGE_SIZE; 2400184610Salfred 2401184610Salfred /* 2402184610Salfred * calculate ntd and nqh 2403184610Salfred */ 2404184610Salfred if (parm->methods == &ohci_device_ctrl_methods) { 2405184610Salfred xfer->flags_int.bdma_enable = 1; 2406184610Salfred 2407194228Sthompsa usbd_transfer_setup_sub(parm); 2408184610Salfred 2409184610Salfred nitd = 0; 2410184610Salfred ntd = ((2 * xfer->nframes) + 1 /* STATUS */ 2411190181Sthompsa + (xfer->max_data_length / xfer->max_hc_frame_size)); 2412184610Salfred nqh = 1; 2413184610Salfred 2414184610Salfred } else if (parm->methods == &ohci_device_bulk_methods) { 2415184610Salfred xfer->flags_int.bdma_enable = 1; 2416184610Salfred 2417194228Sthompsa usbd_transfer_setup_sub(parm); 2418184610Salfred 2419184610Salfred nitd = 0; 2420184610Salfred ntd = ((2 * xfer->nframes) 2421190181Sthompsa + (xfer->max_data_length / xfer->max_hc_frame_size)); 2422184610Salfred nqh = 1; 2423184610Salfred 2424184610Salfred } else if (parm->methods == &ohci_device_intr_methods) { 2425184610Salfred xfer->flags_int.bdma_enable = 1; 2426184610Salfred 2427194228Sthompsa usbd_transfer_setup_sub(parm); 2428184610Salfred 2429184610Salfred nitd = 0; 2430184610Salfred ntd = ((2 * xfer->nframes) 2431190181Sthompsa + (xfer->max_data_length / xfer->max_hc_frame_size)); 2432184610Salfred nqh = 1; 2433184610Salfred 2434184610Salfred } else if (parm->methods == &ohci_device_isoc_methods) { 2435184610Salfred xfer->flags_int.bdma_enable = 1; 2436184610Salfred 2437194228Sthompsa usbd_transfer_setup_sub(parm); 2438184610Salfred 2439184610Salfred nitd = ((xfer->max_data_length / OHCI_PAGE_SIZE) + 2440298646Spfg howmany(xfer->nframes, OHCI_ITD_NOFFSET) + 2441184610Salfred 1 /* EXTRA */ ); 2442184610Salfred ntd = 0; 2443184610Salfred nqh = 1; 2444184610Salfred 2445184610Salfred } else { 2446184610Salfred 2447194228Sthompsa usbd_transfer_setup_sub(parm); 2448184610Salfred 2449184610Salfred nitd = 0; 2450184610Salfred ntd = 0; 2451184610Salfred nqh = 0; 2452184610Salfred } 2453184610Salfred 2454184610Salfredalloc_dma_set: 2455184610Salfred 2456184610Salfred if (parm->err) { 2457184610Salfred return; 2458184610Salfred } 2459184610Salfred last_obj = NULL; 2460184610Salfred 2461194228Sthompsa if (usbd_transfer_setup_sub_malloc( 2462184610Salfred parm, &pc, sizeof(ohci_td_t), 2463184610Salfred OHCI_TD_ALIGN, ntd)) { 2464184610Salfred parm->err = USB_ERR_NOMEM; 2465184610Salfred return; 2466184610Salfred } 2467184610Salfred if (parm->buf) { 2468184610Salfred for (n = 0; n != ntd; n++) { 2469184610Salfred ohci_td_t *td; 2470184610Salfred 2471194228Sthompsa usbd_get_page(pc + n, 0, &page_info); 2472184610Salfred 2473184610Salfred td = page_info.buffer; 2474184610Salfred 2475184610Salfred /* init TD */ 2476184610Salfred td->td_self = htole32(page_info.physaddr); 2477184610Salfred td->obj_next = last_obj; 2478184610Salfred td->page_cache = pc + n; 2479184610Salfred 2480184610Salfred last_obj = td; 2481184610Salfred 2482194228Sthompsa usb_pc_cpu_flush(pc + n); 2483184610Salfred } 2484184610Salfred } 2485194228Sthompsa if (usbd_transfer_setup_sub_malloc( 2486184610Salfred parm, &pc, sizeof(ohci_itd_t), 2487184610Salfred OHCI_ITD_ALIGN, nitd)) { 2488184610Salfred parm->err = USB_ERR_NOMEM; 2489184610Salfred return; 2490184610Salfred } 2491184610Salfred if (parm->buf) { 2492184610Salfred for (n = 0; n != nitd; n++) { 2493184610Salfred ohci_itd_t *itd; 2494184610Salfred 2495194228Sthompsa usbd_get_page(pc + n, 0, &page_info); 2496184610Salfred 2497184610Salfred itd = page_info.buffer; 2498184610Salfred 2499184610Salfred /* init TD */ 2500184610Salfred itd->itd_self = htole32(page_info.physaddr); 2501184610Salfred itd->obj_next = last_obj; 2502184610Salfred itd->page_cache = pc + n; 2503184610Salfred 2504184610Salfred last_obj = itd; 2505184610Salfred 2506194228Sthompsa usb_pc_cpu_flush(pc + n); 2507184610Salfred } 2508184610Salfred } 2509184610Salfred xfer->td_start[xfer->flags_int.curr_dma_set] = last_obj; 2510184610Salfred 2511184610Salfred last_obj = NULL; 2512184610Salfred 2513194228Sthompsa if (usbd_transfer_setup_sub_malloc( 2514184610Salfred parm, &pc, sizeof(ohci_ed_t), 2515184610Salfred OHCI_ED_ALIGN, nqh)) { 2516184610Salfred parm->err = USB_ERR_NOMEM; 2517184610Salfred return; 2518184610Salfred } 2519184610Salfred if (parm->buf) { 2520184610Salfred for (n = 0; n != nqh; n++) { 2521184610Salfred ohci_ed_t *ed; 2522184610Salfred 2523194228Sthompsa usbd_get_page(pc + n, 0, &page_info); 2524184610Salfred 2525184610Salfred ed = page_info.buffer; 2526184610Salfred 2527184610Salfred /* init QH */ 2528184610Salfred ed->ed_self = htole32(page_info.physaddr); 2529184610Salfred ed->obj_next = last_obj; 2530184610Salfred ed->page_cache = pc + n; 2531184610Salfred 2532184610Salfred last_obj = ed; 2533184610Salfred 2534194228Sthompsa usb_pc_cpu_flush(pc + n); 2535184610Salfred } 2536184610Salfred } 2537184610Salfred xfer->qh_start[xfer->flags_int.curr_dma_set] = last_obj; 2538184610Salfred 2539184610Salfred if (!xfer->flags_int.curr_dma_set) { 2540184610Salfred xfer->flags_int.curr_dma_set = 1; 2541184610Salfred goto alloc_dma_set; 2542184610Salfred } 2543184610Salfred} 2544184610Salfred 2545184610Salfredstatic void 2546193644Sthompsaohci_ep_init(struct usb_device *udev, struct usb_endpoint_descriptor *edesc, 2547193644Sthompsa struct usb_endpoint *ep) 2548184610Salfred{ 2549184610Salfred ohci_softc_t *sc = OHCI_BUS2SC(udev->bus); 2550184610Salfred 2551193644Sthompsa DPRINTFN(2, "endpoint=%p, addr=%d, endpt=%d, mode=%d (%d)\n", 2552193644Sthompsa ep, udev->address, 2553192499Sthompsa edesc->bEndpointAddress, udev->flags.usb_mode, 2554184610Salfred sc->sc_addr); 2555184610Salfred 2556190735Sthompsa if (udev->device_index != sc->sc_addr) { 2557184610Salfred switch (edesc->bmAttributes & UE_XFERTYPE) { 2558184610Salfred case UE_CONTROL: 2559193644Sthompsa ep->methods = &ohci_device_ctrl_methods; 2560184610Salfred break; 2561184610Salfred case UE_INTERRUPT: 2562193644Sthompsa ep->methods = &ohci_device_intr_methods; 2563184610Salfred break; 2564184610Salfred case UE_ISOCHRONOUS: 2565184610Salfred if (udev->speed == USB_SPEED_FULL) { 2566193644Sthompsa ep->methods = &ohci_device_isoc_methods; 2567184610Salfred } 2568184610Salfred break; 2569184610Salfred case UE_BULK: 2570209443Sthompsa ep->methods = &ohci_device_bulk_methods; 2571184610Salfred break; 2572184610Salfred default: 2573184610Salfred /* do nothing */ 2574184610Salfred break; 2575184610Salfred } 2576184610Salfred } 2577184610Salfred} 2578184610Salfred 2579184610Salfredstatic void 2580192984Sthompsaohci_xfer_unsetup(struct usb_xfer *xfer) 2581184610Salfred{ 2582184610Salfred return; 2583184610Salfred} 2584184610Salfred 2585184610Salfredstatic void 2586212134Sthompsaohci_get_dma_delay(struct usb_device *udev, uint32_t *pus) 2587184610Salfred{ 2588184610Salfred /* 2589184610Salfred * Wait until hardware has finished any possible use of the 2590184610Salfred * transfer descriptor(s) and QH 2591184610Salfred */ 2592184610Salfred *pus = (1125); /* microseconds */ 2593184610Salfred} 2594184610Salfred 2595186730Salfredstatic void 2596192984Sthompsaohci_device_resume(struct usb_device *udev) 2597186730Salfred{ 2598186730Salfred struct ohci_softc *sc = OHCI_BUS2SC(udev->bus); 2599192984Sthompsa struct usb_xfer *xfer; 2600259218Shselasky const struct usb_pipe_methods *methods; 2601186730Salfred ohci_ed_t *ed; 2602186730Salfred 2603186730Salfred DPRINTF("\n"); 2604186730Salfred 2605186730Salfred USB_BUS_LOCK(udev->bus); 2606186730Salfred 2607186730Salfred TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { 2608186730Salfred 2609187173Sthompsa if (xfer->xroot->udev == udev) { 2610186730Salfred 2611193644Sthompsa methods = xfer->endpoint->methods; 2612186730Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 2613186730Salfred 2614186730Salfred if (methods == &ohci_device_bulk_methods) { 2615186730Salfred OHCI_APPEND_QH(ed, sc->sc_bulk_p_last); 2616186730Salfred OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_BLF); 2617186730Salfred } 2618186730Salfred if (methods == &ohci_device_ctrl_methods) { 2619186730Salfred OHCI_APPEND_QH(ed, sc->sc_ctrl_p_last); 2620186730Salfred OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_CLF); 2621186730Salfred } 2622186730Salfred if (methods == &ohci_device_intr_methods) { 2623186730Salfred OHCI_APPEND_QH(ed, sc->sc_intr_p_last[xfer->qh_pos]); 2624186730Salfred } 2625186730Salfred } 2626186730Salfred } 2627186730Salfred 2628186730Salfred USB_BUS_UNLOCK(udev->bus); 2629186730Salfred 2630186730Salfred return; 2631186730Salfred} 2632186730Salfred 2633186730Salfredstatic void 2634192984Sthompsaohci_device_suspend(struct usb_device *udev) 2635186730Salfred{ 2636186730Salfred struct ohci_softc *sc = OHCI_BUS2SC(udev->bus); 2637192984Sthompsa struct usb_xfer *xfer; 2638259218Shselasky const struct usb_pipe_methods *methods; 2639186730Salfred ohci_ed_t *ed; 2640186730Salfred 2641186730Salfred DPRINTF("\n"); 2642186730Salfred 2643186730Salfred USB_BUS_LOCK(udev->bus); 2644186730Salfred 2645186730Salfred TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { 2646186730Salfred 2647187173Sthompsa if (xfer->xroot->udev == udev) { 2648186730Salfred 2649193644Sthompsa methods = xfer->endpoint->methods; 2650186730Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 2651186730Salfred 2652186730Salfred if (methods == &ohci_device_bulk_methods) { 2653186730Salfred OHCI_REMOVE_QH(ed, sc->sc_bulk_p_last); 2654186730Salfred } 2655186730Salfred if (methods == &ohci_device_ctrl_methods) { 2656186730Salfred OHCI_REMOVE_QH(ed, sc->sc_ctrl_p_last); 2657186730Salfred } 2658186730Salfred if (methods == &ohci_device_intr_methods) { 2659186730Salfred OHCI_REMOVE_QH(ed, sc->sc_intr_p_last[xfer->qh_pos]); 2660186730Salfred } 2661186730Salfred } 2662186730Salfred } 2663186730Salfred 2664186730Salfred USB_BUS_UNLOCK(udev->bus); 2665186730Salfred 2666186730Salfred return; 2667186730Salfred} 2668186730Salfred 2669186730Salfredstatic void 2670228483Shselaskyohci_set_hw_power_sleep(struct usb_bus *bus, uint32_t state) 2671228483Shselasky{ 2672228483Shselasky struct ohci_softc *sc = OHCI_BUS2SC(bus); 2673228483Shselasky 2674228483Shselasky switch (state) { 2675228483Shselasky case USB_HW_POWER_SUSPEND: 2676228483Shselasky case USB_HW_POWER_SHUTDOWN: 2677228483Shselasky ohci_suspend(sc); 2678228483Shselasky break; 2679228483Shselasky case USB_HW_POWER_RESUME: 2680228483Shselasky ohci_resume(sc); 2681228483Shselasky break; 2682228483Shselasky default: 2683228483Shselasky break; 2684228483Shselasky } 2685228483Shselasky} 2686228483Shselasky 2687228483Shselaskystatic void 2688192984Sthompsaohci_set_hw_power(struct usb_bus *bus) 2689186730Salfred{ 2690186730Salfred struct ohci_softc *sc = OHCI_BUS2SC(bus); 2691186730Salfred uint32_t temp; 2692186730Salfred uint32_t flags; 2693186730Salfred 2694186730Salfred DPRINTF("\n"); 2695186730Salfred 2696186730Salfred USB_BUS_LOCK(bus); 2697186730Salfred 2698186730Salfred flags = bus->hw_power_state; 2699186730Salfred 2700186730Salfred temp = OREAD4(sc, OHCI_CONTROL); 2701186730Salfred temp &= ~(OHCI_PLE | OHCI_IE | OHCI_CLE | OHCI_BLE); 2702186730Salfred 2703186730Salfred if (flags & USB_HW_POWER_CONTROL) 2704186730Salfred temp |= OHCI_CLE; 2705186730Salfred 2706186730Salfred if (flags & USB_HW_POWER_BULK) 2707186730Salfred temp |= OHCI_BLE; 2708186730Salfred 2709186730Salfred if (flags & USB_HW_POWER_INTERRUPT) 2710186730Salfred temp |= OHCI_PLE; 2711186730Salfred 2712186730Salfred if (flags & USB_HW_POWER_ISOC) 2713186730Salfred temp |= OHCI_IE | OHCI_PLE; 2714186730Salfred 2715186730Salfred OWRITE4(sc, OHCI_CONTROL, temp); 2716186730Salfred 2717186730Salfred USB_BUS_UNLOCK(bus); 2718186730Salfred 2719186730Salfred return; 2720186730Salfred} 2721186730Salfred 2722259218Shselaskystatic const struct usb_bus_methods ohci_bus_methods = 2723184610Salfred{ 2724193644Sthompsa .endpoint_init = ohci_ep_init, 2725184610Salfred .xfer_setup = ohci_xfer_setup, 2726184610Salfred .xfer_unsetup = ohci_xfer_unsetup, 2727184610Salfred .get_dma_delay = ohci_get_dma_delay, 2728186730Salfred .device_resume = ohci_device_resume, 2729186730Salfred .device_suspend = ohci_device_suspend, 2730186730Salfred .set_hw_power = ohci_set_hw_power, 2731228483Shselasky .set_hw_power_sleep = ohci_set_hw_power_sleep, 2732190735Sthompsa .roothub_exec = ohci_roothub_exec, 2733195960Salfred .xfer_poll = ohci_do_poll, 2734184610Salfred}; 2735