1184610Salfred/*- 2184610Salfred * Copyright (c) 2008 Hans Petter Selasky. All rights reserved. 3184610Salfred * Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved. 4184610Salfred * Copyright (c) 1998 Lennart Augustsson. All rights reserved. 5184610Salfred * 6184610Salfred * Redistribution and use in source and binary forms, with or without 7184610Salfred * modification, are permitted provided that the following conditions 8184610Salfred * are met: 9184610Salfred * 1. Redistributions of source code must retain the above copyright 10184610Salfred * notice, this list of conditions and the following disclaimer. 11184610Salfred * 2. Redistributions in binary form must reproduce the above copyright 12184610Salfred * notice, this list of conditions and the following disclaimer in the 13184610Salfred * documentation and/or other materials provided with the distribution. 14184610Salfred * 15184610Salfred * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16184610Salfred * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17184610Salfred * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18184610Salfred * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19184610Salfred * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20184610Salfred * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21184610Salfred * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22184610Salfred * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23184610Salfred * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24184610Salfred * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25184610Salfred * SUCH DAMAGE. 26184610Salfred */ 27184610Salfred 28184610Salfred#include <sys/cdefs.h> 29184610Salfred__FBSDID("$FreeBSD$"); 30184610Salfred 31184610Salfred/* 32184610Salfred * USB Open Host Controller driver. 33184610Salfred * 34184610Salfred * OHCI spec: http://www.compaq.com/productinfo/development/openhci.html 35190754Sthompsa * USB spec: http://www.usb.org/developers/docs/usbspec.zip 36184610Salfred */ 37184610Salfred 38194677Sthompsa#include <sys/stdint.h> 39194677Sthompsa#include <sys/stddef.h> 40194677Sthompsa#include <sys/param.h> 41194677Sthompsa#include <sys/queue.h> 42194677Sthompsa#include <sys/types.h> 43194677Sthompsa#include <sys/systm.h> 44194677Sthompsa#include <sys/kernel.h> 45194677Sthompsa#include <sys/bus.h> 46194677Sthompsa#include <sys/module.h> 47194677Sthompsa#include <sys/lock.h> 48194677Sthompsa#include <sys/mutex.h> 49194677Sthompsa#include <sys/condvar.h> 50194677Sthompsa#include <sys/sysctl.h> 51194677Sthompsa#include <sys/sx.h> 52194677Sthompsa#include <sys/unistd.h> 53194677Sthompsa#include <sys/callout.h> 54194677Sthompsa#include <sys/malloc.h> 55194677Sthompsa#include <sys/priv.h> 56194677Sthompsa 57188942Sthompsa#include <dev/usb/usb.h> 58194677Sthompsa#include <dev/usb/usbdi.h> 59184610Salfred 60184610Salfred#define USB_DEBUG_VAR ohcidebug 61184610Salfred 62188942Sthompsa#include <dev/usb/usb_core.h> 63188942Sthompsa#include <dev/usb/usb_debug.h> 64188942Sthompsa#include <dev/usb/usb_busdma.h> 65188942Sthompsa#include <dev/usb/usb_process.h> 66188942Sthompsa#include <dev/usb/usb_transfer.h> 67188942Sthompsa#include <dev/usb/usb_device.h> 68188942Sthompsa#include <dev/usb/usb_hub.h> 69188942Sthompsa#include <dev/usb/usb_util.h> 70184610Salfred 71188942Sthompsa#include <dev/usb/usb_controller.h> 72188942Sthompsa#include <dev/usb/usb_bus.h> 73188942Sthompsa#include <dev/usb/controller/ohci.h> 74198151Sthompsa#include <dev/usb/controller/ohcireg.h> 75184610Salfred 76190181Sthompsa#define OHCI_BUS2SC(bus) \ 77190181Sthompsa ((ohci_softc_t *)(((uint8_t *)(bus)) - \ 78190181Sthompsa ((uint8_t *)&(((ohci_softc_t *)0)->sc_bus)))) 79184610Salfred 80194677Sthompsa#ifdef USB_DEBUG 81184610Salfredstatic int ohcidebug = 0; 82184610Salfred 83248085Smariusstatic SYSCTL_NODE(_hw_usb, OID_AUTO, ohci, CTLFLAG_RW, 0, "USB ohci"); 84242775ShselaskySYSCTL_INT(_hw_usb_ohci, OID_AUTO, debug, CTLFLAG_RW | CTLFLAG_TUN, 85184610Salfred &ohcidebug, 0, "ohci debug level"); 86199675SthompsaTUNABLE_INT("hw.usb.ohci.debug", &ohcidebug); 87199675Sthompsa 88184610Salfredstatic void ohci_dumpregs(ohci_softc_t *); 89184610Salfredstatic void ohci_dump_tds(ohci_td_t *); 90184610Salfredstatic uint8_t ohci_dump_td(ohci_td_t *); 91184610Salfredstatic void ohci_dump_ed(ohci_ed_t *); 92184610Salfredstatic uint8_t ohci_dump_itd(ohci_itd_t *); 93184610Salfredstatic void ohci_dump_itds(ohci_itd_t *); 94184610Salfred 95184610Salfred#endif 96184610Salfred 97184610Salfred#define OBARR(sc) bus_space_barrier((sc)->sc_io_tag, (sc)->sc_io_hdl, 0, (sc)->sc_io_size, \ 98184610Salfred BUS_SPACE_BARRIER_READ|BUS_SPACE_BARRIER_WRITE) 99184610Salfred#define OWRITE1(sc, r, x) \ 100184610Salfred do { OBARR(sc); bus_space_write_1((sc)->sc_io_tag, (sc)->sc_io_hdl, (r), (x)); } while (0) 101184610Salfred#define OWRITE2(sc, r, x) \ 102184610Salfred do { OBARR(sc); bus_space_write_2((sc)->sc_io_tag, (sc)->sc_io_hdl, (r), (x)); } while (0) 103184610Salfred#define OWRITE4(sc, r, x) \ 104184610Salfred do { OBARR(sc); bus_space_write_4((sc)->sc_io_tag, (sc)->sc_io_hdl, (r), (x)); } while (0) 105184610Salfred#define OREAD1(sc, r) (OBARR(sc), bus_space_read_1((sc)->sc_io_tag, (sc)->sc_io_hdl, (r))) 106184610Salfred#define OREAD2(sc, r) (OBARR(sc), bus_space_read_2((sc)->sc_io_tag, (sc)->sc_io_hdl, (r))) 107184610Salfred#define OREAD4(sc, r) (OBARR(sc), bus_space_read_4((sc)->sc_io_tag, (sc)->sc_io_hdl, (r))) 108184610Salfred 109184610Salfred#define OHCI_INTR_ENDPT 1 110184610Salfred 111192984Sthompsaextern struct usb_bus_methods ohci_bus_methods; 112192984Sthompsaextern struct usb_pipe_methods ohci_device_bulk_methods; 113192984Sthompsaextern struct usb_pipe_methods ohci_device_ctrl_methods; 114192984Sthompsaextern struct usb_pipe_methods ohci_device_intr_methods; 115192984Sthompsaextern struct usb_pipe_methods ohci_device_isoc_methods; 116184610Salfred 117192984Sthompsastatic void ohci_do_poll(struct usb_bus *bus); 118193045Sthompsastatic void ohci_device_done(struct usb_xfer *xfer, usb_error_t error); 119184610Salfredstatic void ohci_timeout(void *arg); 120192984Sthompsastatic uint8_t ohci_check_transfer(struct usb_xfer *xfer); 121190735Sthompsastatic void ohci_root_intr(ohci_softc_t *sc); 122184610Salfred 123184610Salfredstruct ohci_std_temp { 124192984Sthompsa struct usb_page_cache *pc; 125184610Salfred ohci_td_t *td; 126184610Salfred ohci_td_t *td_next; 127184610Salfred uint32_t average; 128184610Salfred uint32_t td_flags; 129184610Salfred uint32_t len; 130184610Salfred uint16_t max_frame_size; 131184610Salfred uint8_t shortpkt; 132184610Salfred uint8_t setup_alt_next; 133190183Sthompsa uint8_t last_frame; 134184610Salfred}; 135184610Salfred 136184610Salfredstatic struct ohci_hcca * 137184610Salfredohci_get_hcca(ohci_softc_t *sc) 138184610Salfred{ 139194228Sthompsa usb_pc_cpu_invalidate(&sc->sc_hw.hcca_pc); 140184610Salfred return (sc->sc_hcca_p); 141184610Salfred} 142184610Salfred 143184610Salfredvoid 144193045Sthompsaohci_iterate_hw_softc(struct usb_bus *bus, usb_bus_mem_sub_cb_t *cb) 145184610Salfred{ 146184610Salfred struct ohci_softc *sc = OHCI_BUS2SC(bus); 147184610Salfred uint32_t i; 148184610Salfred 149184610Salfred cb(bus, &sc->sc_hw.hcca_pc, &sc->sc_hw.hcca_pg, 150184610Salfred sizeof(ohci_hcca_t), OHCI_HCCA_ALIGN); 151184610Salfred 152184610Salfred cb(bus, &sc->sc_hw.ctrl_start_pc, &sc->sc_hw.ctrl_start_pg, 153184610Salfred sizeof(ohci_ed_t), OHCI_ED_ALIGN); 154184610Salfred 155184610Salfred cb(bus, &sc->sc_hw.bulk_start_pc, &sc->sc_hw.bulk_start_pg, 156184610Salfred sizeof(ohci_ed_t), OHCI_ED_ALIGN); 157184610Salfred 158184610Salfred cb(bus, &sc->sc_hw.isoc_start_pc, &sc->sc_hw.isoc_start_pg, 159184610Salfred sizeof(ohci_ed_t), OHCI_ED_ALIGN); 160184610Salfred 161184610Salfred for (i = 0; i != OHCI_NO_EDS; i++) { 162184610Salfred cb(bus, sc->sc_hw.intr_start_pc + i, sc->sc_hw.intr_start_pg + i, 163184610Salfred sizeof(ohci_ed_t), OHCI_ED_ALIGN); 164184610Salfred } 165184610Salfred} 166184610Salfred 167193045Sthompsastatic usb_error_t 168229096Shselaskyohci_controller_init(ohci_softc_t *sc, int do_suspend) 169184610Salfred{ 170192984Sthompsa struct usb_page_search buf_res; 171184610Salfred uint32_t i; 172184610Salfred uint32_t ctl; 173184610Salfred uint32_t ival; 174184610Salfred uint32_t hcr; 175184610Salfred uint32_t fm; 176184610Salfred uint32_t per; 177184610Salfred uint32_t desca; 178184610Salfred 179198501Sthompsa /* Determine in what context we are running. */ 180198501Sthompsa ctl = OREAD4(sc, OHCI_CONTROL); 181198501Sthompsa if (ctl & OHCI_IR) { 182198501Sthompsa /* SMM active, request change */ 183198501Sthompsa DPRINTF("SMM active, request owner change\n"); 184198501Sthompsa OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_OCR); 185198501Sthompsa for (i = 0; (i < 100) && (ctl & OHCI_IR); i++) { 186198501Sthompsa usb_pause_mtx(NULL, hz / 1000); 187198501Sthompsa ctl = OREAD4(sc, OHCI_CONTROL); 188198501Sthompsa } 189198501Sthompsa if (ctl & OHCI_IR) { 190198501Sthompsa device_printf(sc->sc_bus.bdev, 191198501Sthompsa "SMM does not respond, resetting\n"); 192198501Sthompsa OWRITE4(sc, OHCI_CONTROL, OHCI_HCFS_RESET); 193198501Sthompsa goto reset; 194198501Sthompsa } 195198501Sthompsa } else { 196198501Sthompsa DPRINTF("cold started\n"); 197198501Sthompsareset: 198198501Sthompsa /* controller was cold started */ 199198501Sthompsa usb_pause_mtx(NULL, 200198501Sthompsa USB_MS_TO_TICKS(USB_BUS_RESET_DELAY)); 201198501Sthompsa } 202198501Sthompsa 203184610Salfred /* 204184610Salfred * This reset should not be necessary according to the OHCI spec, but 205184610Salfred * without it some controllers do not start. 206184610Salfred */ 207184610Salfred DPRINTF("%s: resetting\n", device_get_nameunit(sc->sc_bus.bdev)); 208184610Salfred OWRITE4(sc, OHCI_CONTROL, OHCI_HCFS_RESET); 209184610Salfred 210194228Sthompsa usb_pause_mtx(NULL, 211188409Sthompsa USB_MS_TO_TICKS(USB_BUS_RESET_DELAY)); 212184610Salfred 213184610Salfred /* we now own the host controller and the bus has been reset */ 214184610Salfred ival = OHCI_GET_IVAL(OREAD4(sc, OHCI_FM_INTERVAL)); 215184610Salfred 216184610Salfred OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_HCR); /* Reset HC */ 217184610Salfred /* nominal time for a reset is 10 us */ 218184610Salfred for (i = 0; i < 10; i++) { 219184610Salfred DELAY(10); 220184610Salfred hcr = OREAD4(sc, OHCI_COMMAND_STATUS) & OHCI_HCR; 221184610Salfred if (!hcr) { 222184610Salfred break; 223184610Salfred } 224184610Salfred } 225184610Salfred if (hcr) { 226184610Salfred device_printf(sc->sc_bus.bdev, "reset timeout\n"); 227184610Salfred return (USB_ERR_IOERROR); 228184610Salfred } 229194677Sthompsa#ifdef USB_DEBUG 230184610Salfred if (ohcidebug > 15) { 231184610Salfred ohci_dumpregs(sc); 232184610Salfred } 233184610Salfred#endif 234184610Salfred 235229096Shselasky if (do_suspend) { 236229096Shselasky OWRITE4(sc, OHCI_CONTROL, OHCI_HCFS_SUSPEND); 237229096Shselasky return (USB_ERR_NORMAL_COMPLETION); 238229096Shselasky } 239229096Shselasky 240184610Salfred /* The controller is now in SUSPEND state, we have 2ms to finish. */ 241184610Salfred 242184610Salfred /* set up HC registers */ 243194228Sthompsa usbd_get_page(&sc->sc_hw.hcca_pc, 0, &buf_res); 244184610Salfred OWRITE4(sc, OHCI_HCCA, buf_res.physaddr); 245184610Salfred 246194228Sthompsa usbd_get_page(&sc->sc_hw.ctrl_start_pc, 0, &buf_res); 247184610Salfred OWRITE4(sc, OHCI_CONTROL_HEAD_ED, buf_res.physaddr); 248184610Salfred 249194228Sthompsa usbd_get_page(&sc->sc_hw.bulk_start_pc, 0, &buf_res); 250184610Salfred OWRITE4(sc, OHCI_BULK_HEAD_ED, buf_res.physaddr); 251184610Salfred 252184610Salfred /* disable all interrupts and then switch on all desired interrupts */ 253184610Salfred OWRITE4(sc, OHCI_INTERRUPT_DISABLE, OHCI_ALL_INTRS); 254184610Salfred OWRITE4(sc, OHCI_INTERRUPT_ENABLE, sc->sc_eintrs | OHCI_MIE); 255184610Salfred /* switch on desired functional features */ 256184610Salfred ctl = OREAD4(sc, OHCI_CONTROL); 257184610Salfred ctl &= ~(OHCI_CBSR_MASK | OHCI_LES | OHCI_HCFS_MASK | OHCI_IR); 258184610Salfred ctl |= OHCI_PLE | OHCI_IE | OHCI_CLE | OHCI_BLE | 259184610Salfred OHCI_RATIO_1_4 | OHCI_HCFS_OPERATIONAL; 260184610Salfred /* And finally start it! */ 261184610Salfred OWRITE4(sc, OHCI_CONTROL, ctl); 262184610Salfred 263184610Salfred /* 264184610Salfred * The controller is now OPERATIONAL. Set a some final 265184610Salfred * registers that should be set earlier, but that the 266184610Salfred * controller ignores when in the SUSPEND state. 267184610Salfred */ 268184610Salfred fm = (OREAD4(sc, OHCI_FM_INTERVAL) & OHCI_FIT) ^ OHCI_FIT; 269184610Salfred fm |= OHCI_FSMPS(ival) | ival; 270184610Salfred OWRITE4(sc, OHCI_FM_INTERVAL, fm); 271184610Salfred per = OHCI_PERIODIC(ival); /* 90% periodic */ 272184610Salfred OWRITE4(sc, OHCI_PERIODIC_START, per); 273184610Salfred 274184610Salfred /* Fiddle the No OverCurrent Protection bit to avoid chip bug. */ 275184610Salfred desca = OREAD4(sc, OHCI_RH_DESCRIPTOR_A); 276184610Salfred OWRITE4(sc, OHCI_RH_DESCRIPTOR_A, desca | OHCI_NOCP); 277184610Salfred OWRITE4(sc, OHCI_RH_STATUS, OHCI_LPSC); /* Enable port power */ 278194228Sthompsa usb_pause_mtx(NULL, 279188409Sthompsa USB_MS_TO_TICKS(OHCI_ENABLE_POWER_DELAY)); 280184610Salfred OWRITE4(sc, OHCI_RH_DESCRIPTOR_A, desca); 281184610Salfred 282184610Salfred /* 283184610Salfred * The AMD756 requires a delay before re-reading the register, 284184610Salfred * otherwise it will occasionally report 0 ports. 285184610Salfred */ 286184610Salfred sc->sc_noport = 0; 287184610Salfred for (i = 0; (i < 10) && (sc->sc_noport == 0); i++) { 288194228Sthompsa usb_pause_mtx(NULL, 289188409Sthompsa USB_MS_TO_TICKS(OHCI_READ_DESC_DELAY)); 290184610Salfred sc->sc_noport = OHCI_GET_NDP(OREAD4(sc, OHCI_RH_DESCRIPTOR_A)); 291184610Salfred } 292184610Salfred 293194677Sthompsa#ifdef USB_DEBUG 294184610Salfred if (ohcidebug > 5) { 295184610Salfred ohci_dumpregs(sc); 296184610Salfred } 297184610Salfred#endif 298184610Salfred return (USB_ERR_NORMAL_COMPLETION); 299184610Salfred} 300184610Salfred 301184610Salfredstatic struct ohci_ed * 302192984Sthompsaohci_init_ed(struct usb_page_cache *pc) 303184610Salfred{ 304192984Sthompsa struct usb_page_search buf_res; 305184610Salfred struct ohci_ed *ed; 306184610Salfred 307194228Sthompsa usbd_get_page(pc, 0, &buf_res); 308184610Salfred 309184610Salfred ed = buf_res.buffer; 310184610Salfred 311184610Salfred ed->ed_self = htole32(buf_res.physaddr); 312184610Salfred ed->ed_flags = htole32(OHCI_ED_SKIP); 313184610Salfred ed->page_cache = pc; 314184610Salfred 315184610Salfred return (ed); 316184610Salfred} 317184610Salfred 318193045Sthompsausb_error_t 319184610Salfredohci_init(ohci_softc_t *sc) 320184610Salfred{ 321192984Sthompsa struct usb_page_search buf_res; 322184610Salfred uint16_t i; 323184610Salfred uint16_t bit; 324184610Salfred uint16_t x; 325184610Salfred uint16_t y; 326184610Salfred 327184610Salfred DPRINTF("start\n"); 328184610Salfred 329184610Salfred sc->sc_eintrs = OHCI_NORMAL_INTRS; 330184610Salfred 331184610Salfred /* 332184610Salfred * Setup all ED's 333184610Salfred */ 334184610Salfred 335184610Salfred sc->sc_ctrl_p_last = 336184610Salfred ohci_init_ed(&sc->sc_hw.ctrl_start_pc); 337184610Salfred 338184610Salfred sc->sc_bulk_p_last = 339184610Salfred ohci_init_ed(&sc->sc_hw.bulk_start_pc); 340184610Salfred 341184610Salfred sc->sc_isoc_p_last = 342184610Salfred ohci_init_ed(&sc->sc_hw.isoc_start_pc); 343184610Salfred 344184610Salfred for (i = 0; i != OHCI_NO_EDS; i++) { 345184610Salfred sc->sc_intr_p_last[i] = 346184610Salfred ohci_init_ed(sc->sc_hw.intr_start_pc + i); 347184610Salfred } 348184610Salfred 349184610Salfred /* 350184610Salfred * the QHs are arranged to give poll intervals that are 351184610Salfred * powers of 2 times 1ms 352184610Salfred */ 353184610Salfred bit = OHCI_NO_EDS / 2; 354184610Salfred while (bit) { 355184610Salfred x = bit; 356184610Salfred while (x & bit) { 357184610Salfred ohci_ed_t *ed_x; 358184610Salfred ohci_ed_t *ed_y; 359184610Salfred 360184610Salfred y = (x ^ bit) | (bit / 2); 361184610Salfred 362184610Salfred /* 363184610Salfred * the next QH has half the poll interval 364184610Salfred */ 365184610Salfred ed_x = sc->sc_intr_p_last[x]; 366184610Salfred ed_y = sc->sc_intr_p_last[y]; 367184610Salfred 368184610Salfred ed_x->next = NULL; 369184610Salfred ed_x->ed_next = ed_y->ed_self; 370184610Salfred 371184610Salfred x++; 372184610Salfred } 373184610Salfred bit >>= 1; 374184610Salfred } 375184610Salfred 376184610Salfred if (1) { 377184610Salfred 378184610Salfred ohci_ed_t *ed_int; 379184610Salfred ohci_ed_t *ed_isc; 380184610Salfred 381184610Salfred ed_int = sc->sc_intr_p_last[0]; 382184610Salfred ed_isc = sc->sc_isoc_p_last; 383184610Salfred 384184610Salfred /* the last (1ms) QH */ 385184610Salfred ed_int->next = ed_isc; 386184610Salfred ed_int->ed_next = ed_isc->ed_self; 387184610Salfred } 388194228Sthompsa usbd_get_page(&sc->sc_hw.hcca_pc, 0, &buf_res); 389184610Salfred 390184610Salfred sc->sc_hcca_p = buf_res.buffer; 391184610Salfred 392184610Salfred /* 393184610Salfred * Fill HCCA interrupt table. The bit reversal is to get 394184610Salfred * the tree set up properly to spread the interrupts. 395184610Salfred */ 396184610Salfred for (i = 0; i != OHCI_NO_INTRS; i++) { 397184610Salfred sc->sc_hcca_p->hcca_interrupt_table[i] = 398184610Salfred sc->sc_intr_p_last[i | (OHCI_NO_EDS / 2)]->ed_self; 399184610Salfred } 400184610Salfred /* flush all cache into memory */ 401184610Salfred 402194228Sthompsa usb_bus_mem_flush_all(&sc->sc_bus, &ohci_iterate_hw_softc); 403184610Salfred 404184610Salfred /* set up the bus struct */ 405184610Salfred sc->sc_bus.methods = &ohci_bus_methods; 406184610Salfred 407194228Sthompsa usb_callout_init_mtx(&sc->sc_tmo_rhsc, &sc->sc_bus.bus_mtx, 0); 408184610Salfred 409194677Sthompsa#ifdef USB_DEBUG 410184610Salfred if (ohcidebug > 15) { 411184610Salfred for (i = 0; i != OHCI_NO_EDS; i++) { 412184610Salfred printf("ed#%d ", i); 413184610Salfred ohci_dump_ed(sc->sc_intr_p_last[i]); 414184610Salfred } 415184610Salfred printf("iso "); 416184610Salfred ohci_dump_ed(sc->sc_isoc_p_last); 417184610Salfred } 418184610Salfred#endif 419184610Salfred 420184610Salfred sc->sc_bus.usbrev = USB_REV_1_0; 421184610Salfred 422229096Shselasky if (ohci_controller_init(sc, 0) != 0) 423184610Salfred return (USB_ERR_INVAL); 424229096Shselasky 425229096Shselasky /* catch any lost interrupts */ 426229096Shselasky ohci_do_poll(&sc->sc_bus); 427229096Shselasky return (USB_ERR_NORMAL_COMPLETION); 428184610Salfred} 429184610Salfred 430184610Salfred/* 431184610Salfred * shut down the controller when the system is going down 432184610Salfred */ 433184610Salfredvoid 434184610Salfredohci_detach(struct ohci_softc *sc) 435184610Salfred{ 436184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 437184610Salfred 438194228Sthompsa usb_callout_stop(&sc->sc_tmo_rhsc); 439184610Salfred 440184610Salfred OWRITE4(sc, OHCI_INTERRUPT_DISABLE, OHCI_ALL_INTRS); 441184610Salfred OWRITE4(sc, OHCI_CONTROL, OHCI_HCFS_RESET); 442184610Salfred 443188409Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 444188409Sthompsa 445184610Salfred /* XXX let stray task complete */ 446194228Sthompsa usb_pause_mtx(NULL, hz / 20); 447184610Salfred 448194228Sthompsa usb_callout_drain(&sc->sc_tmo_rhsc); 449184610Salfred} 450184610Salfred 451229096Shselaskystatic void 452184610Salfredohci_suspend(ohci_softc_t *sc) 453184610Salfred{ 454229096Shselasky DPRINTF("\n"); 455184610Salfred 456194677Sthompsa#ifdef USB_DEBUG 457229096Shselasky if (ohcidebug > 2) 458184610Salfred ohci_dumpregs(sc); 459184610Salfred#endif 460184610Salfred 461229096Shselasky /* reset HC and leave it suspended */ 462229096Shselasky ohci_controller_init(sc, 1); 463184610Salfred} 464184610Salfred 465229096Shselaskystatic void 466184610Salfredohci_resume(ohci_softc_t *sc) 467184610Salfred{ 468229096Shselasky DPRINTF("\n"); 469184610Salfred 470194677Sthompsa#ifdef USB_DEBUG 471229096Shselasky if (ohcidebug > 2) 472184610Salfred ohci_dumpregs(sc); 473184610Salfred#endif 474229096Shselasky 475184610Salfred /* some broken BIOSes never initialize the Controller chip */ 476229096Shselasky ohci_controller_init(sc, 0); 477184610Salfred 478184610Salfred /* catch any lost interrupts */ 479184610Salfred ohci_do_poll(&sc->sc_bus); 480184610Salfred} 481184610Salfred 482194677Sthompsa#ifdef USB_DEBUG 483184610Salfredstatic void 484184610Salfredohci_dumpregs(ohci_softc_t *sc) 485184610Salfred{ 486184610Salfred struct ohci_hcca *hcca; 487184610Salfred 488184610Salfred DPRINTF("ohci_dumpregs: rev=0x%08x control=0x%08x command=0x%08x\n", 489184610Salfred OREAD4(sc, OHCI_REVISION), 490184610Salfred OREAD4(sc, OHCI_CONTROL), 491184610Salfred OREAD4(sc, OHCI_COMMAND_STATUS)); 492184610Salfred DPRINTF(" intrstat=0x%08x intre=0x%08x intrd=0x%08x\n", 493184610Salfred OREAD4(sc, OHCI_INTERRUPT_STATUS), 494184610Salfred OREAD4(sc, OHCI_INTERRUPT_ENABLE), 495184610Salfred OREAD4(sc, OHCI_INTERRUPT_DISABLE)); 496184610Salfred DPRINTF(" hcca=0x%08x percur=0x%08x ctrlhd=0x%08x\n", 497184610Salfred OREAD4(sc, OHCI_HCCA), 498184610Salfred OREAD4(sc, OHCI_PERIOD_CURRENT_ED), 499184610Salfred OREAD4(sc, OHCI_CONTROL_HEAD_ED)); 500184610Salfred DPRINTF(" ctrlcur=0x%08x bulkhd=0x%08x bulkcur=0x%08x\n", 501184610Salfred OREAD4(sc, OHCI_CONTROL_CURRENT_ED), 502184610Salfred OREAD4(sc, OHCI_BULK_HEAD_ED), 503184610Salfred OREAD4(sc, OHCI_BULK_CURRENT_ED)); 504184610Salfred DPRINTF(" done=0x%08x fmival=0x%08x fmrem=0x%08x\n", 505184610Salfred OREAD4(sc, OHCI_DONE_HEAD), 506184610Salfred OREAD4(sc, OHCI_FM_INTERVAL), 507184610Salfred OREAD4(sc, OHCI_FM_REMAINING)); 508184610Salfred DPRINTF(" fmnum=0x%08x perst=0x%08x lsthrs=0x%08x\n", 509184610Salfred OREAD4(sc, OHCI_FM_NUMBER), 510184610Salfred OREAD4(sc, OHCI_PERIODIC_START), 511184610Salfred OREAD4(sc, OHCI_LS_THRESHOLD)); 512184610Salfred DPRINTF(" desca=0x%08x descb=0x%08x stat=0x%08x\n", 513184610Salfred OREAD4(sc, OHCI_RH_DESCRIPTOR_A), 514184610Salfred OREAD4(sc, OHCI_RH_DESCRIPTOR_B), 515184610Salfred OREAD4(sc, OHCI_RH_STATUS)); 516184610Salfred DPRINTF(" port1=0x%08x port2=0x%08x\n", 517184610Salfred OREAD4(sc, OHCI_RH_PORT_STATUS(1)), 518184610Salfred OREAD4(sc, OHCI_RH_PORT_STATUS(2))); 519184610Salfred 520184610Salfred hcca = ohci_get_hcca(sc); 521184610Salfred 522184610Salfred DPRINTF(" HCCA: frame_number=0x%04x done_head=0x%08x\n", 523184610Salfred le32toh(hcca->hcca_frame_number), 524184610Salfred le32toh(hcca->hcca_done_head)); 525184610Salfred} 526184610Salfredstatic void 527184610Salfredohci_dump_tds(ohci_td_t *std) 528184610Salfred{ 529184610Salfred for (; std; std = std->obj_next) { 530184610Salfred if (ohci_dump_td(std)) { 531184610Salfred break; 532184610Salfred } 533184610Salfred } 534184610Salfred} 535184610Salfred 536184610Salfredstatic uint8_t 537184610Salfredohci_dump_td(ohci_td_t *std) 538184610Salfred{ 539184610Salfred uint32_t td_flags; 540184610Salfred uint8_t temp; 541184610Salfred 542194228Sthompsa usb_pc_cpu_invalidate(std->page_cache); 543184610Salfred 544184610Salfred td_flags = le32toh(std->td_flags); 545184610Salfred temp = (std->td_next == 0); 546184610Salfred 547184610Salfred printf("TD(%p) at 0x%08x: %s%s%s%s%s delay=%d ec=%d " 548184610Salfred "cc=%d\ncbp=0x%08x next=0x%08x be=0x%08x\n", 549184610Salfred std, le32toh(std->td_self), 550184610Salfred (td_flags & OHCI_TD_R) ? "-R" : "", 551184610Salfred (td_flags & OHCI_TD_OUT) ? "-OUT" : "", 552184610Salfred (td_flags & OHCI_TD_IN) ? "-IN" : "", 553184610Salfred ((td_flags & OHCI_TD_TOGGLE_MASK) == OHCI_TD_TOGGLE_1) ? "-TOG1" : "", 554184610Salfred ((td_flags & OHCI_TD_TOGGLE_MASK) == OHCI_TD_TOGGLE_0) ? "-TOG0" : "", 555184610Salfred OHCI_TD_GET_DI(td_flags), 556184610Salfred OHCI_TD_GET_EC(td_flags), 557184610Salfred OHCI_TD_GET_CC(td_flags), 558184610Salfred le32toh(std->td_cbp), 559184610Salfred le32toh(std->td_next), 560184610Salfred le32toh(std->td_be)); 561184610Salfred 562184610Salfred return (temp); 563184610Salfred} 564184610Salfred 565184610Salfredstatic uint8_t 566184610Salfredohci_dump_itd(ohci_itd_t *sitd) 567184610Salfred{ 568184610Salfred uint32_t itd_flags; 569184610Salfred uint16_t i; 570184610Salfred uint8_t temp; 571184610Salfred 572194228Sthompsa usb_pc_cpu_invalidate(sitd->page_cache); 573184610Salfred 574184610Salfred itd_flags = le32toh(sitd->itd_flags); 575184610Salfred temp = (sitd->itd_next == 0); 576184610Salfred 577184610Salfred printf("ITD(%p) at 0x%08x: sf=%d di=%d fc=%d cc=%d\n" 578184610Salfred "bp0=0x%08x next=0x%08x be=0x%08x\n", 579184610Salfred sitd, le32toh(sitd->itd_self), 580184610Salfred OHCI_ITD_GET_SF(itd_flags), 581184610Salfred OHCI_ITD_GET_DI(itd_flags), 582184610Salfred OHCI_ITD_GET_FC(itd_flags), 583184610Salfred OHCI_ITD_GET_CC(itd_flags), 584184610Salfred le32toh(sitd->itd_bp0), 585184610Salfred le32toh(sitd->itd_next), 586184610Salfred le32toh(sitd->itd_be)); 587184610Salfred for (i = 0; i < OHCI_ITD_NOFFSET; i++) { 588184610Salfred printf("offs[%d]=0x%04x ", i, 589184610Salfred (uint32_t)le16toh(sitd->itd_offset[i])); 590184610Salfred } 591184610Salfred printf("\n"); 592184610Salfred 593184610Salfred return (temp); 594184610Salfred} 595184610Salfred 596184610Salfredstatic void 597184610Salfredohci_dump_itds(ohci_itd_t *sitd) 598184610Salfred{ 599184610Salfred for (; sitd; sitd = sitd->obj_next) { 600184610Salfred if (ohci_dump_itd(sitd)) { 601184610Salfred break; 602184610Salfred } 603184610Salfred } 604184610Salfred} 605184610Salfred 606184610Salfredstatic void 607184610Salfredohci_dump_ed(ohci_ed_t *sed) 608184610Salfred{ 609184610Salfred uint32_t ed_flags; 610184610Salfred uint32_t ed_headp; 611184610Salfred 612194228Sthompsa usb_pc_cpu_invalidate(sed->page_cache); 613184610Salfred 614184610Salfred ed_flags = le32toh(sed->ed_flags); 615184610Salfred ed_headp = le32toh(sed->ed_headp); 616184610Salfred 617184610Salfred printf("ED(%p) at 0x%08x: addr=%d endpt=%d maxp=%d flags=%s%s%s%s%s\n" 618184610Salfred "tailp=0x%08x headflags=%s%s headp=0x%08x nexted=0x%08x\n", 619184610Salfred sed, le32toh(sed->ed_self), 620184610Salfred OHCI_ED_GET_FA(ed_flags), 621184610Salfred OHCI_ED_GET_EN(ed_flags), 622184610Salfred OHCI_ED_GET_MAXP(ed_flags), 623184610Salfred (ed_flags & OHCI_ED_DIR_OUT) ? "-OUT" : "", 624184610Salfred (ed_flags & OHCI_ED_DIR_IN) ? "-IN" : "", 625184610Salfred (ed_flags & OHCI_ED_SPEED) ? "-LOWSPEED" : "", 626184610Salfred (ed_flags & OHCI_ED_SKIP) ? "-SKIP" : "", 627184610Salfred (ed_flags & OHCI_ED_FORMAT_ISO) ? "-ISO" : "", 628184610Salfred le32toh(sed->ed_tailp), 629184610Salfred (ed_headp & OHCI_HALTED) ? "-HALTED" : "", 630184610Salfred (ed_headp & OHCI_TOGGLECARRY) ? "-CARRY" : "", 631184610Salfred le32toh(sed->ed_headp), 632184610Salfred le32toh(sed->ed_next)); 633184610Salfred} 634184610Salfred 635184610Salfred#endif 636184610Salfred 637184610Salfredstatic void 638192984Sthompsaohci_transfer_intr_enqueue(struct usb_xfer *xfer) 639184610Salfred{ 640184610Salfred /* check for early completion */ 641184610Salfred if (ohci_check_transfer(xfer)) { 642184610Salfred return; 643184610Salfred } 644184610Salfred /* put transfer on interrupt queue */ 645194228Sthompsa usbd_transfer_enqueue(&xfer->xroot->bus->intr_q, xfer); 646184610Salfred 647184610Salfred /* start timeout, if any */ 648184610Salfred if (xfer->timeout != 0) { 649194228Sthompsa usbd_transfer_timeout_ms(xfer, &ohci_timeout, xfer->timeout); 650184610Salfred } 651184610Salfred} 652184610Salfred 653186730Salfred#define OHCI_APPEND_QH(sed,last) (last) = _ohci_append_qh(sed,last) 654184610Salfredstatic ohci_ed_t * 655186730Salfred_ohci_append_qh(ohci_ed_t *sed, ohci_ed_t *last) 656184610Salfred{ 657184610Salfred DPRINTFN(11, "%p to %p\n", sed, last); 658184610Salfred 659186730Salfred if (sed->prev != NULL) { 660186730Salfred /* should not happen */ 661186730Salfred DPRINTFN(0, "ED already linked!\n"); 662186730Salfred return (last); 663186730Salfred } 664184824Sthompsa /* (sc->sc_bus.bus_mtx) must be locked */ 665184610Salfred 666184610Salfred sed->next = last->next; 667184610Salfred sed->ed_next = last->ed_next; 668184610Salfred sed->ed_tailp = 0; 669184610Salfred 670184610Salfred sed->prev = last; 671184610Salfred 672194228Sthompsa usb_pc_cpu_flush(sed->page_cache); 673184610Salfred 674184610Salfred /* 675184610Salfred * the last->next->prev is never followed: sed->next->prev = sed; 676184610Salfred */ 677184610Salfred 678184610Salfred last->next = sed; 679184610Salfred last->ed_next = sed->ed_self; 680184610Salfred 681194228Sthompsa usb_pc_cpu_flush(last->page_cache); 682184610Salfred 683184610Salfred return (sed); 684184610Salfred} 685184610Salfred 686184610Salfred#define OHCI_REMOVE_QH(sed,last) (last) = _ohci_remove_qh(sed,last) 687184610Salfredstatic ohci_ed_t * 688184610Salfred_ohci_remove_qh(ohci_ed_t *sed, ohci_ed_t *last) 689184610Salfred{ 690184610Salfred DPRINTFN(11, "%p from %p\n", sed, last); 691184610Salfred 692184824Sthompsa /* (sc->sc_bus.bus_mtx) must be locked */ 693184610Salfred 694184610Salfred /* only remove if not removed from a queue */ 695184610Salfred if (sed->prev) { 696184610Salfred 697184610Salfred sed->prev->next = sed->next; 698184610Salfred sed->prev->ed_next = sed->ed_next; 699184610Salfred 700194228Sthompsa usb_pc_cpu_flush(sed->prev->page_cache); 701184610Salfred 702184610Salfred if (sed->next) { 703184610Salfred sed->next->prev = sed->prev; 704194228Sthompsa usb_pc_cpu_flush(sed->next->page_cache); 705184610Salfred } 706184610Salfred last = ((last == sed) ? sed->prev : last); 707184610Salfred 708184610Salfred sed->prev = 0; 709184610Salfred 710194228Sthompsa usb_pc_cpu_flush(sed->page_cache); 711184610Salfred } 712184610Salfred return (last); 713184610Salfred} 714184610Salfred 715184610Salfredstatic void 716192984Sthompsaohci_isoc_done(struct usb_xfer *xfer) 717184610Salfred{ 718184610Salfred uint8_t nframes; 719184610Salfred uint32_t *plen = xfer->frlengths; 720184610Salfred volatile uint16_t *olen; 721184610Salfred uint16_t len = 0; 722184610Salfred ohci_itd_t *td = xfer->td_transfer_first; 723184610Salfred 724184610Salfred while (1) { 725184610Salfred if (td == NULL) { 726184610Salfred panic("%s:%d: out of TD's\n", 727184610Salfred __FUNCTION__, __LINE__); 728184610Salfred } 729194677Sthompsa#ifdef USB_DEBUG 730184610Salfred if (ohcidebug > 5) { 731184610Salfred DPRINTF("isoc TD\n"); 732184610Salfred ohci_dump_itd(td); 733184610Salfred } 734184610Salfred#endif 735194228Sthompsa usb_pc_cpu_invalidate(td->page_cache); 736184610Salfred 737184610Salfred nframes = td->frames; 738184610Salfred olen = &td->itd_offset[0]; 739184610Salfred 740184610Salfred if (nframes > 8) { 741184610Salfred nframes = 8; 742184610Salfred } 743184610Salfred while (nframes--) { 744184610Salfred len = le16toh(*olen); 745184610Salfred 746184610Salfred if ((len >> 12) == OHCI_CC_NOT_ACCESSED) { 747184610Salfred len = 0; 748184610Salfred } else { 749184610Salfred len &= ((1 << 12) - 1); 750184610Salfred } 751184610Salfred 752184610Salfred if (len > *plen) { 753184610Salfred len = 0;/* invalid length */ 754184610Salfred } 755184610Salfred *plen = len; 756184610Salfred plen++; 757184610Salfred olen++; 758184610Salfred } 759184610Salfred 760184610Salfred if (((void *)td) == xfer->td_transfer_last) { 761184610Salfred break; 762184610Salfred } 763184610Salfred td = td->obj_next; 764184610Salfred } 765184610Salfred 766184610Salfred xfer->aframes = xfer->nframes; 767184610Salfred ohci_device_done(xfer, USB_ERR_NORMAL_COMPLETION); 768184610Salfred} 769184610Salfred 770194677Sthompsa#ifdef USB_DEBUG 771184610Salfredstatic const char *const 772184610Salfred ohci_cc_strs[] = 773184610Salfred{ 774184610Salfred "NO_ERROR", 775184610Salfred "CRC", 776184610Salfred "BIT_STUFFING", 777184610Salfred "DATA_TOGGLE_MISMATCH", 778184610Salfred 779184610Salfred "STALL", 780184610Salfred "DEVICE_NOT_RESPONDING", 781184610Salfred "PID_CHECK_FAILURE", 782184610Salfred "UNEXPECTED_PID", 783184610Salfred 784184610Salfred "DATA_OVERRUN", 785184610Salfred "DATA_UNDERRUN", 786184610Salfred "BUFFER_OVERRUN", 787184610Salfred "BUFFER_UNDERRUN", 788184610Salfred 789184610Salfred "reserved", 790184610Salfred "reserved", 791184610Salfred "NOT_ACCESSED", 792184610Salfred "NOT_ACCESSED" 793184610Salfred}; 794184610Salfred 795184610Salfred#endif 796184610Salfred 797193045Sthompsastatic usb_error_t 798192984Sthompsaohci_non_isoc_done_sub(struct usb_xfer *xfer) 799184610Salfred{ 800184610Salfred ohci_td_t *td; 801184610Salfred ohci_td_t *td_alt_next; 802184610Salfred uint32_t temp; 803184610Salfred uint32_t phy_start; 804184610Salfred uint32_t phy_end; 805184610Salfred uint32_t td_flags; 806184610Salfred uint16_t cc; 807184610Salfred 808184610Salfred td = xfer->td_transfer_cache; 809184610Salfred td_alt_next = td->alt_next; 810184610Salfred td_flags = 0; 811184610Salfred 812188409Sthompsa if (xfer->aframes != xfer->nframes) { 813194677Sthompsa usbd_xfer_set_frame_len(xfer, xfer->aframes, 0); 814188409Sthompsa } 815184610Salfred while (1) { 816184610Salfred 817194228Sthompsa usb_pc_cpu_invalidate(td->page_cache); 818184610Salfred phy_start = le32toh(td->td_cbp); 819184610Salfred td_flags = le32toh(td->td_flags); 820184610Salfred cc = OHCI_TD_GET_CC(td_flags); 821184610Salfred 822184610Salfred if (phy_start) { 823184610Salfred /* 824184610Salfred * short transfer - compute the number of remaining 825184610Salfred * bytes in the hardware buffer: 826184610Salfred */ 827184610Salfred phy_end = le32toh(td->td_be); 828184610Salfred temp = (OHCI_PAGE(phy_start ^ phy_end) ? 829184610Salfred (OHCI_PAGE_SIZE + 1) : 0x0001); 830184610Salfred temp += OHCI_PAGE_OFFSET(phy_end); 831184610Salfred temp -= OHCI_PAGE_OFFSET(phy_start); 832184610Salfred 833184610Salfred if (temp > td->len) { 834184610Salfred /* guard against corruption */ 835184610Salfred cc = OHCI_CC_STALL; 836184610Salfred } else if (xfer->aframes != xfer->nframes) { 837184610Salfred /* 838188409Sthompsa * Sum up total transfer length 839188409Sthompsa * in "frlengths[]": 840184610Salfred */ 841188409Sthompsa xfer->frlengths[xfer->aframes] += td->len - temp; 842184610Salfred } 843188409Sthompsa } else { 844188409Sthompsa if (xfer->aframes != xfer->nframes) { 845188409Sthompsa /* transfer was complete */ 846188409Sthompsa xfer->frlengths[xfer->aframes] += td->len; 847188409Sthompsa } 848184610Salfred } 849184610Salfred /* Check for last transfer */ 850184610Salfred if (((void *)td) == xfer->td_transfer_last) { 851184610Salfred td = NULL; 852184610Salfred break; 853184610Salfred } 854184610Salfred /* Check transfer status */ 855184610Salfred if (cc) { 856184610Salfred /* the transfer is finished */ 857184610Salfred td = NULL; 858184610Salfred break; 859184610Salfred } 860184610Salfred /* Check for short transfer */ 861184610Salfred if (phy_start) { 862184610Salfred if (xfer->flags_int.short_frames_ok) { 863184610Salfred /* follow alt next */ 864184610Salfred td = td->alt_next; 865184610Salfred } else { 866184610Salfred /* the transfer is finished */ 867184610Salfred td = NULL; 868184610Salfred } 869184610Salfred break; 870184610Salfred } 871184610Salfred td = td->obj_next; 872184610Salfred 873184610Salfred if (td->alt_next != td_alt_next) { 874184610Salfred /* this USB frame is complete */ 875184610Salfred break; 876184610Salfred } 877184610Salfred } 878184610Salfred 879184610Salfred /* update transfer cache */ 880184610Salfred 881184610Salfred xfer->td_transfer_cache = td; 882184610Salfred 883184610Salfred DPRINTFN(16, "error cc=%d (%s)\n", 884184610Salfred cc, ohci_cc_strs[cc]); 885184610Salfred 886184610Salfred return ((cc == 0) ? USB_ERR_NORMAL_COMPLETION : 887184610Salfred (cc == OHCI_CC_STALL) ? USB_ERR_STALLED : USB_ERR_IOERROR); 888184610Salfred} 889184610Salfred 890184610Salfredstatic void 891192984Sthompsaohci_non_isoc_done(struct usb_xfer *xfer) 892184610Salfred{ 893193045Sthompsa usb_error_t err = 0; 894184610Salfred 895193644Sthompsa DPRINTFN(13, "xfer=%p endpoint=%p transfer done\n", 896193644Sthompsa xfer, xfer->endpoint); 897184610Salfred 898194677Sthompsa#ifdef USB_DEBUG 899184610Salfred if (ohcidebug > 10) { 900184610Salfred ohci_dump_tds(xfer->td_transfer_first); 901184610Salfred } 902184610Salfred#endif 903184610Salfred 904184610Salfred /* reset scanner */ 905184610Salfred 906184610Salfred xfer->td_transfer_cache = xfer->td_transfer_first; 907184610Salfred 908184610Salfred if (xfer->flags_int.control_xfr) { 909184610Salfred 910184610Salfred if (xfer->flags_int.control_hdr) { 911184610Salfred 912184610Salfred err = ohci_non_isoc_done_sub(xfer); 913184610Salfred } 914184610Salfred xfer->aframes = 1; 915184610Salfred 916184610Salfred if (xfer->td_transfer_cache == NULL) { 917184610Salfred goto done; 918184610Salfred } 919184610Salfred } 920184610Salfred while (xfer->aframes != xfer->nframes) { 921184610Salfred 922184610Salfred err = ohci_non_isoc_done_sub(xfer); 923184610Salfred xfer->aframes++; 924184610Salfred 925184610Salfred if (xfer->td_transfer_cache == NULL) { 926184610Salfred goto done; 927184610Salfred } 928184610Salfred } 929184610Salfred 930184610Salfred if (xfer->flags_int.control_xfr && 931184610Salfred !xfer->flags_int.control_act) { 932184610Salfred 933184610Salfred err = ohci_non_isoc_done_sub(xfer); 934184610Salfred } 935184610Salfreddone: 936184610Salfred ohci_device_done(xfer, err); 937184610Salfred} 938184610Salfred 939184610Salfred/*------------------------------------------------------------------------* 940184610Salfred * ohci_check_transfer_sub 941184610Salfred *------------------------------------------------------------------------*/ 942184610Salfredstatic void 943192984Sthompsaohci_check_transfer_sub(struct usb_xfer *xfer) 944184610Salfred{ 945184610Salfred ohci_td_t *td; 946184610Salfred ohci_ed_t *ed; 947184610Salfred uint32_t phy_start; 948184610Salfred uint32_t td_flags; 949184610Salfred uint32_t td_next; 950184610Salfred uint16_t cc; 951184610Salfred 952184610Salfred td = xfer->td_transfer_cache; 953184610Salfred 954184610Salfred while (1) { 955184610Salfred 956194228Sthompsa usb_pc_cpu_invalidate(td->page_cache); 957184610Salfred phy_start = le32toh(td->td_cbp); 958184610Salfred td_flags = le32toh(td->td_flags); 959184610Salfred td_next = le32toh(td->td_next); 960184610Salfred 961184610Salfred /* Check for last transfer */ 962184610Salfred if (((void *)td) == xfer->td_transfer_last) { 963184610Salfred /* the transfer is finished */ 964184610Salfred td = NULL; 965184610Salfred break; 966184610Salfred } 967184610Salfred /* Check transfer status */ 968184610Salfred cc = OHCI_TD_GET_CC(td_flags); 969184610Salfred if (cc) { 970184610Salfred /* the transfer is finished */ 971184610Salfred td = NULL; 972184610Salfred break; 973184610Salfred } 974184610Salfred /* 975184610Salfred * Check if we reached the last packet 976184610Salfred * or if there is a short packet: 977184610Salfred */ 978184610Salfred 979184610Salfred if (((td_next & (~0xF)) == OHCI_TD_NEXT_END) || phy_start) { 980184610Salfred /* follow alt next */ 981184610Salfred td = td->alt_next; 982184610Salfred break; 983184610Salfred } 984184610Salfred td = td->obj_next; 985184610Salfred } 986184610Salfred 987184610Salfred /* update transfer cache */ 988184610Salfred 989184610Salfred xfer->td_transfer_cache = td; 990184610Salfred 991184610Salfred if (td) { 992184610Salfred 993184610Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 994184610Salfred 995184610Salfred ed->ed_headp = td->td_self; 996194228Sthompsa usb_pc_cpu_flush(ed->page_cache); 997184610Salfred 998184610Salfred DPRINTFN(13, "xfer=%p following alt next\n", xfer); 999190183Sthompsa 1000190183Sthompsa /* 1001190183Sthompsa * Make sure that the OHCI re-scans the schedule by 1002190183Sthompsa * writing the BLF and CLF bits: 1003190183Sthompsa */ 1004190183Sthompsa 1005191824Sthompsa if (xfer->xroot->udev->flags.self_suspended) { 1006190183Sthompsa /* nothing to do */ 1007193644Sthompsa } else if (xfer->endpoint->methods == &ohci_device_bulk_methods) { 1008190183Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1009190183Sthompsa 1010190183Sthompsa OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_BLF); 1011193644Sthompsa } else if (xfer->endpoint->methods == &ohci_device_ctrl_methods) { 1012190183Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1013190183Sthompsa 1014190183Sthompsa OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_CLF); 1015190183Sthompsa } 1016184610Salfred } 1017184610Salfred} 1018184610Salfred 1019184610Salfred/*------------------------------------------------------------------------* 1020184610Salfred * ohci_check_transfer 1021184610Salfred * 1022184610Salfred * Return values: 1023184610Salfred * 0: USB transfer is not finished 1024184610Salfred * Else: USB transfer is finished 1025184610Salfred *------------------------------------------------------------------------*/ 1026184610Salfredstatic uint8_t 1027192984Sthompsaohci_check_transfer(struct usb_xfer *xfer) 1028184610Salfred{ 1029184610Salfred ohci_ed_t *ed; 1030184610Salfred uint32_t ed_headp; 1031184610Salfred uint32_t ed_tailp; 1032184610Salfred 1033184610Salfred DPRINTFN(13, "xfer=%p checking transfer\n", xfer); 1034184610Salfred 1035184610Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 1036184610Salfred 1037194228Sthompsa usb_pc_cpu_invalidate(ed->page_cache); 1038184610Salfred ed_headp = le32toh(ed->ed_headp); 1039184610Salfred ed_tailp = le32toh(ed->ed_tailp); 1040184610Salfred 1041190183Sthompsa if ((ed_headp & OHCI_HALTED) || 1042184610Salfred (((ed_headp ^ ed_tailp) & (~0xF)) == 0)) { 1043193644Sthompsa if (xfer->endpoint->methods == &ohci_device_isoc_methods) { 1044184610Salfred /* isochronous transfer */ 1045184610Salfred ohci_isoc_done(xfer); 1046184610Salfred } else { 1047184610Salfred if (xfer->flags_int.short_frames_ok) { 1048184610Salfred ohci_check_transfer_sub(xfer); 1049184610Salfred if (xfer->td_transfer_cache) { 1050184610Salfred /* not finished yet */ 1051184610Salfred return (0); 1052184610Salfred } 1053184610Salfred } 1054184610Salfred /* store data-toggle */ 1055184610Salfred if (ed_headp & OHCI_TOGGLECARRY) { 1056193644Sthompsa xfer->endpoint->toggle_next = 1; 1057184610Salfred } else { 1058193644Sthompsa xfer->endpoint->toggle_next = 0; 1059184610Salfred } 1060184610Salfred 1061184610Salfred /* non-isochronous transfer */ 1062184610Salfred ohci_non_isoc_done(xfer); 1063184610Salfred } 1064184610Salfred return (1); 1065184610Salfred } 1066184610Salfred DPRINTFN(13, "xfer=%p is still active\n", xfer); 1067184610Salfred return (0); 1068184610Salfred} 1069184610Salfred 1070184610Salfredstatic void 1071184610Salfredohci_rhsc_enable(ohci_softc_t *sc) 1072184610Salfred{ 1073184610Salfred DPRINTFN(5, "\n"); 1074184610Salfred 1075184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 1076184610Salfred 1077184610Salfred sc->sc_eintrs |= OHCI_RHSC; 1078184610Salfred OWRITE4(sc, OHCI_INTERRUPT_ENABLE, OHCI_RHSC); 1079184610Salfred 1080184610Salfred /* acknowledge any RHSC interrupt */ 1081184610Salfred OWRITE4(sc, OHCI_INTERRUPT_STATUS, OHCI_RHSC); 1082184610Salfred 1083190735Sthompsa ohci_root_intr(sc); 1084184610Salfred} 1085184610Salfred 1086184610Salfredstatic void 1087184610Salfredohci_interrupt_poll(ohci_softc_t *sc) 1088184610Salfred{ 1089192984Sthompsa struct usb_xfer *xfer; 1090184610Salfred 1091184610Salfredrepeat: 1092184610Salfred TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { 1093184610Salfred /* 1094184610Salfred * check if transfer is transferred 1095184610Salfred */ 1096184610Salfred if (ohci_check_transfer(xfer)) { 1097184610Salfred /* queue has been modified */ 1098184610Salfred goto repeat; 1099184610Salfred } 1100184610Salfred } 1101184610Salfred} 1102184610Salfred 1103184610Salfred/*------------------------------------------------------------------------* 1104184610Salfred * ohci_interrupt - OHCI interrupt handler 1105184610Salfred * 1106184610Salfred * NOTE: Do not access "sc->sc_bus.bdev" inside the interrupt handler, 1107184610Salfred * hence the interrupt handler will be setup before "sc->sc_bus.bdev" 1108184610Salfred * is present ! 1109184610Salfred *------------------------------------------------------------------------*/ 1110184610Salfredvoid 1111184610Salfredohci_interrupt(ohci_softc_t *sc) 1112184610Salfred{ 1113184610Salfred struct ohci_hcca *hcca; 1114184610Salfred uint32_t status; 1115184610Salfred uint32_t done; 1116184610Salfred 1117184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 1118184610Salfred 1119184610Salfred hcca = ohci_get_hcca(sc); 1120184610Salfred 1121184610Salfred DPRINTFN(16, "real interrupt\n"); 1122184610Salfred 1123194677Sthompsa#ifdef USB_DEBUG 1124184610Salfred if (ohcidebug > 15) { 1125184610Salfred ohci_dumpregs(sc); 1126184610Salfred } 1127184610Salfred#endif 1128184610Salfred 1129184610Salfred done = le32toh(hcca->hcca_done_head); 1130184610Salfred 1131184610Salfred /* 1132184610Salfred * The LSb of done is used to inform the HC Driver that an interrupt 1133184610Salfred * condition exists for both the Done list and for another event 1134184610Salfred * recorded in HcInterruptStatus. On an interrupt from the HC, the 1135184610Salfred * HC Driver checks the HccaDoneHead Value. If this value is 0, then 1136184610Salfred * the interrupt was caused by other than the HccaDoneHead update 1137184610Salfred * and the HcInterruptStatus register needs to be accessed to 1138184610Salfred * determine that exact interrupt cause. If HccaDoneHead is nonzero, 1139184610Salfred * then a Done list update interrupt is indicated and if the LSb of 1140184610Salfred * done is nonzero, then an additional interrupt event is indicated 1141184610Salfred * and HcInterruptStatus should be checked to determine its cause. 1142184610Salfred */ 1143184610Salfred if (done != 0) { 1144184610Salfred status = 0; 1145184610Salfred 1146184610Salfred if (done & ~OHCI_DONE_INTRS) { 1147184610Salfred status |= OHCI_WDH; 1148184610Salfred } 1149184610Salfred if (done & OHCI_DONE_INTRS) { 1150184610Salfred status |= OREAD4(sc, OHCI_INTERRUPT_STATUS); 1151184610Salfred } 1152184610Salfred hcca->hcca_done_head = 0; 1153184610Salfred 1154194228Sthompsa usb_pc_cpu_flush(&sc->sc_hw.hcca_pc); 1155184610Salfred } else { 1156184610Salfred status = OREAD4(sc, OHCI_INTERRUPT_STATUS) & ~OHCI_WDH; 1157184610Salfred } 1158184610Salfred 1159184610Salfred status &= ~OHCI_MIE; 1160184610Salfred if (status == 0) { 1161184610Salfred /* 1162184610Salfred * nothing to be done (PCI shared 1163184610Salfred * interrupt) 1164184610Salfred */ 1165184610Salfred goto done; 1166184610Salfred } 1167184610Salfred OWRITE4(sc, OHCI_INTERRUPT_STATUS, status); /* Acknowledge */ 1168184610Salfred 1169184610Salfred status &= sc->sc_eintrs; 1170184610Salfred if (status == 0) { 1171184610Salfred goto done; 1172184610Salfred } 1173184610Salfred if (status & (OHCI_SO | OHCI_RD | OHCI_UE | OHCI_RHSC)) { 1174184610Salfred#if 0 1175184610Salfred if (status & OHCI_SO) { 1176184610Salfred /* XXX do what */ 1177184610Salfred } 1178184610Salfred#endif 1179184610Salfred if (status & OHCI_RD) { 1180184610Salfred printf("%s: resume detect\n", __FUNCTION__); 1181184610Salfred /* XXX process resume detect */ 1182184610Salfred } 1183184610Salfred if (status & OHCI_UE) { 1184184610Salfred printf("%s: unrecoverable error, " 1185184610Salfred "controller halted\n", __FUNCTION__); 1186184610Salfred OWRITE4(sc, OHCI_CONTROL, OHCI_HCFS_RESET); 1187184610Salfred /* XXX what else */ 1188184610Salfred } 1189184610Salfred if (status & OHCI_RHSC) { 1190184610Salfred /* 1191184610Salfred * Disable RHSC interrupt for now, because it will be 1192184610Salfred * on until the port has been reset. 1193184610Salfred */ 1194184610Salfred sc->sc_eintrs &= ~OHCI_RHSC; 1195184610Salfred OWRITE4(sc, OHCI_INTERRUPT_DISABLE, OHCI_RHSC); 1196184610Salfred 1197190735Sthompsa ohci_root_intr(sc); 1198184610Salfred 1199184610Salfred /* do not allow RHSC interrupts > 1 per second */ 1200194228Sthompsa usb_callout_reset(&sc->sc_tmo_rhsc, hz, 1201184610Salfred (void *)&ohci_rhsc_enable, sc); 1202184610Salfred } 1203184610Salfred } 1204184610Salfred status &= ~(OHCI_RHSC | OHCI_WDH | OHCI_SO); 1205184610Salfred if (status != 0) { 1206184610Salfred /* Block unprocessed interrupts. XXX */ 1207184610Salfred OWRITE4(sc, OHCI_INTERRUPT_DISABLE, status); 1208184610Salfred sc->sc_eintrs &= ~status; 1209184610Salfred printf("%s: blocking intrs 0x%x\n", 1210184610Salfred __FUNCTION__, status); 1211184610Salfred } 1212184610Salfred /* poll all the USB transfers */ 1213184610Salfred ohci_interrupt_poll(sc); 1214184610Salfred 1215184610Salfreddone: 1216184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1217184610Salfred} 1218184610Salfred 1219184610Salfred/* 1220184610Salfred * called when a request does not complete 1221184610Salfred */ 1222184610Salfredstatic void 1223184610Salfredohci_timeout(void *arg) 1224184610Salfred{ 1225192984Sthompsa struct usb_xfer *xfer = arg; 1226184610Salfred 1227184610Salfred DPRINTF("xfer=%p\n", xfer); 1228184610Salfred 1229187173Sthompsa USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); 1230184610Salfred 1231184610Salfred /* transfer is transferred */ 1232184610Salfred ohci_device_done(xfer, USB_ERR_TIMEOUT); 1233184610Salfred} 1234184610Salfred 1235184610Salfredstatic void 1236192984Sthompsaohci_do_poll(struct usb_bus *bus) 1237184610Salfred{ 1238184610Salfred struct ohci_softc *sc = OHCI_BUS2SC(bus); 1239184610Salfred 1240184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 1241184610Salfred ohci_interrupt_poll(sc); 1242184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1243184610Salfred} 1244184610Salfred 1245184610Salfredstatic void 1246184610Salfredohci_setup_standard_chain_sub(struct ohci_std_temp *temp) 1247184610Salfred{ 1248192984Sthompsa struct usb_page_search buf_res; 1249184610Salfred ohci_td_t *td; 1250184610Salfred ohci_td_t *td_next; 1251184610Salfred ohci_td_t *td_alt_next; 1252184610Salfred uint32_t buf_offset; 1253184610Salfred uint32_t average; 1254184610Salfred uint32_t len_old; 1255184610Salfred uint8_t shortpkt_old; 1256184610Salfred uint8_t precompute; 1257184610Salfred 1258184610Salfred td_alt_next = NULL; 1259184610Salfred buf_offset = 0; 1260184610Salfred shortpkt_old = temp->shortpkt; 1261184610Salfred len_old = temp->len; 1262184610Salfred precompute = 1; 1263184610Salfred 1264184610Salfred /* software is used to detect short incoming transfers */ 1265184610Salfred 1266184610Salfred if ((temp->td_flags & htole32(OHCI_TD_DP_MASK)) == htole32(OHCI_TD_IN)) { 1267184610Salfred temp->td_flags |= htole32(OHCI_TD_R); 1268184610Salfred } else { 1269184610Salfred temp->td_flags &= ~htole32(OHCI_TD_R); 1270184610Salfred } 1271184610Salfred 1272184610Salfredrestart: 1273184610Salfred 1274184610Salfred td = temp->td; 1275184610Salfred td_next = temp->td_next; 1276184610Salfred 1277184610Salfred while (1) { 1278184610Salfred 1279184610Salfred if (temp->len == 0) { 1280184610Salfred 1281184610Salfred if (temp->shortpkt) { 1282184610Salfred break; 1283184610Salfred } 1284184610Salfred /* send a Zero Length Packet, ZLP, last */ 1285184610Salfred 1286184610Salfred temp->shortpkt = 1; 1287184610Salfred average = 0; 1288184610Salfred 1289184610Salfred } else { 1290184610Salfred 1291184610Salfred average = temp->average; 1292184610Salfred 1293184610Salfred if (temp->len < average) { 1294184610Salfred if (temp->len % temp->max_frame_size) { 1295184610Salfred temp->shortpkt = 1; 1296184610Salfred } 1297184610Salfred average = temp->len; 1298184610Salfred } 1299184610Salfred } 1300184610Salfred 1301184610Salfred if (td_next == NULL) { 1302184610Salfred panic("%s: out of OHCI transfer descriptors!", __FUNCTION__); 1303184610Salfred } 1304184610Salfred /* get next TD */ 1305184610Salfred 1306184610Salfred td = td_next; 1307184610Salfred td_next = td->obj_next; 1308184610Salfred 1309184610Salfred /* check if we are pre-computing */ 1310184610Salfred 1311184610Salfred if (precompute) { 1312184610Salfred 1313184610Salfred /* update remaining length */ 1314184610Salfred 1315184610Salfred temp->len -= average; 1316184610Salfred 1317184610Salfred continue; 1318184610Salfred } 1319184610Salfred /* fill out current TD */ 1320184610Salfred td->td_flags = temp->td_flags; 1321184610Salfred 1322184610Salfred /* the next TD uses TOGGLE_CARRY */ 1323184610Salfred temp->td_flags &= ~htole32(OHCI_TD_TOGGLE_MASK); 1324184610Salfred 1325184610Salfred if (average == 0) { 1326190471Sthompsa /* 1327190471Sthompsa * The buffer start and end phys addresses should be 1328190471Sthompsa * 0x0 for a zero length packet. 1329190471Sthompsa */ 1330184610Salfred td->td_cbp = 0; 1331190471Sthompsa td->td_be = 0; 1332184610Salfred td->len = 0; 1333184610Salfred 1334184610Salfred } else { 1335184610Salfred 1336194228Sthompsa usbd_get_page(temp->pc, buf_offset, &buf_res); 1337184610Salfred td->td_cbp = htole32(buf_res.physaddr); 1338184610Salfred buf_offset += (average - 1); 1339184610Salfred 1340194228Sthompsa usbd_get_page(temp->pc, buf_offset, &buf_res); 1341184610Salfred td->td_be = htole32(buf_res.physaddr); 1342184610Salfred buf_offset++; 1343184610Salfred 1344184610Salfred td->len = average; 1345184610Salfred 1346184610Salfred /* update remaining length */ 1347184610Salfred 1348184610Salfred temp->len -= average; 1349184610Salfred } 1350184610Salfred 1351184610Salfred if ((td_next == td_alt_next) && temp->setup_alt_next) { 1352184610Salfred /* we need to receive these frames one by one ! */ 1353184610Salfred td->td_flags &= htole32(~OHCI_TD_INTR_MASK); 1354184610Salfred td->td_flags |= htole32(OHCI_TD_SET_DI(1)); 1355184610Salfred td->td_next = htole32(OHCI_TD_NEXT_END); 1356184610Salfred } else { 1357184610Salfred if (td_next) { 1358184610Salfred /* link the current TD with the next one */ 1359184610Salfred td->td_next = td_next->td_self; 1360184610Salfred } 1361184610Salfred } 1362184610Salfred 1363184610Salfred td->alt_next = td_alt_next; 1364184610Salfred 1365194228Sthompsa usb_pc_cpu_flush(td->page_cache); 1366184610Salfred } 1367184610Salfred 1368184610Salfred if (precompute) { 1369184610Salfred precompute = 0; 1370184610Salfred 1371184610Salfred /* setup alt next pointer, if any */ 1372190183Sthompsa if (temp->last_frame) { 1373190183Sthompsa /* no alternate next */ 1374190183Sthompsa td_alt_next = NULL; 1375184610Salfred } else { 1376184610Salfred /* we use this field internally */ 1377184610Salfred td_alt_next = td_next; 1378184610Salfred } 1379184610Salfred 1380184610Salfred /* restore */ 1381184610Salfred temp->shortpkt = shortpkt_old; 1382184610Salfred temp->len = len_old; 1383184610Salfred goto restart; 1384184610Salfred } 1385184610Salfred temp->td = td; 1386184610Salfred temp->td_next = td_next; 1387184610Salfred} 1388184610Salfred 1389184610Salfredstatic void 1390192984Sthompsaohci_setup_standard_chain(struct usb_xfer *xfer, ohci_ed_t **ed_last) 1391184610Salfred{ 1392184610Salfred struct ohci_std_temp temp; 1393192984Sthompsa struct usb_pipe_methods *methods; 1394184610Salfred ohci_ed_t *ed; 1395184610Salfred ohci_td_t *td; 1396184610Salfred uint32_t ed_flags; 1397184610Salfred uint32_t x; 1398184610Salfred 1399184610Salfred DPRINTFN(9, "addr=%d endpt=%d sumlen=%d speed=%d\n", 1400193644Sthompsa xfer->address, UE_GET_ADDR(xfer->endpointno), 1401194228Sthompsa xfer->sumlen, usbd_get_speed(xfer->xroot->udev)); 1402184610Salfred 1403190181Sthompsa temp.average = xfer->max_hc_frame_size; 1404184610Salfred temp.max_frame_size = xfer->max_frame_size; 1405184610Salfred 1406184610Salfred /* toggle the DMA set we are using */ 1407184610Salfred xfer->flags_int.curr_dma_set ^= 1; 1408184610Salfred 1409184610Salfred /* get next DMA set */ 1410184610Salfred td = xfer->td_start[xfer->flags_int.curr_dma_set]; 1411184610Salfred 1412184610Salfred xfer->td_transfer_first = td; 1413184610Salfred xfer->td_transfer_cache = td; 1414184610Salfred 1415184610Salfred temp.td = NULL; 1416184610Salfred temp.td_next = td; 1417190183Sthompsa temp.last_frame = 0; 1418184610Salfred temp.setup_alt_next = xfer->flags_int.short_frames_ok; 1419184610Salfred 1420193644Sthompsa methods = xfer->endpoint->methods; 1421184610Salfred 1422184610Salfred /* check if we should prepend a setup message */ 1423184610Salfred 1424184610Salfred if (xfer->flags_int.control_xfr) { 1425184610Salfred if (xfer->flags_int.control_hdr) { 1426184610Salfred 1427184610Salfred temp.td_flags = htole32(OHCI_TD_SETUP | OHCI_TD_NOCC | 1428184610Salfred OHCI_TD_TOGGLE_0 | OHCI_TD_NOINTR); 1429184610Salfred 1430184610Salfred temp.len = xfer->frlengths[0]; 1431184610Salfred temp.pc = xfer->frbuffers + 0; 1432184610Salfred temp.shortpkt = temp.len ? 1 : 0; 1433190183Sthompsa /* check for last frame */ 1434190183Sthompsa if (xfer->nframes == 1) { 1435190183Sthompsa /* no STATUS stage yet, SETUP is last */ 1436190183Sthompsa if (xfer->flags_int.control_act) { 1437190183Sthompsa temp.last_frame = 1; 1438190183Sthompsa temp.setup_alt_next = 0; 1439190183Sthompsa } 1440190183Sthompsa } 1441184610Salfred ohci_setup_standard_chain_sub(&temp); 1442184610Salfred 1443184610Salfred /* 1444184610Salfred * XXX assume that the setup message is 1445184610Salfred * contained within one USB packet: 1446184610Salfred */ 1447193644Sthompsa xfer->endpoint->toggle_next = 1; 1448184610Salfred } 1449184610Salfred x = 1; 1450184610Salfred } else { 1451184610Salfred x = 0; 1452184610Salfred } 1453184610Salfred temp.td_flags = htole32(OHCI_TD_NOCC | OHCI_TD_NOINTR); 1454184610Salfred 1455184610Salfred /* set data toggle */ 1456184610Salfred 1457193644Sthompsa if (xfer->endpoint->toggle_next) { 1458184610Salfred temp.td_flags |= htole32(OHCI_TD_TOGGLE_1); 1459184610Salfred } else { 1460184610Salfred temp.td_flags |= htole32(OHCI_TD_TOGGLE_0); 1461184610Salfred } 1462184610Salfred 1463184610Salfred /* set endpoint direction */ 1464184610Salfred 1465193644Sthompsa if (UE_GET_DIR(xfer->endpointno) == UE_DIR_IN) { 1466184610Salfred temp.td_flags |= htole32(OHCI_TD_IN); 1467184610Salfred } else { 1468184610Salfred temp.td_flags |= htole32(OHCI_TD_OUT); 1469184610Salfred } 1470184610Salfred 1471184610Salfred while (x != xfer->nframes) { 1472184610Salfred 1473184610Salfred /* DATA0 / DATA1 message */ 1474184610Salfred 1475184610Salfred temp.len = xfer->frlengths[x]; 1476184610Salfred temp.pc = xfer->frbuffers + x; 1477184610Salfred 1478184610Salfred x++; 1479184610Salfred 1480184610Salfred if (x == xfer->nframes) { 1481190183Sthompsa if (xfer->flags_int.control_xfr) { 1482190183Sthompsa /* no STATUS stage yet, DATA is last */ 1483190183Sthompsa if (xfer->flags_int.control_act) { 1484190183Sthompsa temp.last_frame = 1; 1485190183Sthompsa temp.setup_alt_next = 0; 1486190183Sthompsa } 1487190183Sthompsa } else { 1488190183Sthompsa temp.last_frame = 1; 1489190183Sthompsa temp.setup_alt_next = 0; 1490190183Sthompsa } 1491184610Salfred } 1492184610Salfred if (temp.len == 0) { 1493184610Salfred 1494184610Salfred /* make sure that we send an USB packet */ 1495184610Salfred 1496184610Salfred temp.shortpkt = 0; 1497184610Salfred 1498184610Salfred } else { 1499184610Salfred 1500184610Salfred /* regular data transfer */ 1501184610Salfred 1502184610Salfred temp.shortpkt = (xfer->flags.force_short_xfer) ? 0 : 1; 1503184610Salfred } 1504184610Salfred 1505184610Salfred ohci_setup_standard_chain_sub(&temp); 1506184610Salfred } 1507184610Salfred 1508184610Salfred /* check if we should append a status stage */ 1509184610Salfred 1510184610Salfred if (xfer->flags_int.control_xfr && 1511184610Salfred !xfer->flags_int.control_act) { 1512184610Salfred 1513184610Salfred /* 1514184610Salfred * Send a DATA1 message and invert the current endpoint 1515184610Salfred * direction. 1516184610Salfred */ 1517184610Salfred 1518184610Salfred /* set endpoint direction and data toggle */ 1519184610Salfred 1520193644Sthompsa if (UE_GET_DIR(xfer->endpointno) == UE_DIR_IN) { 1521184610Salfred temp.td_flags = htole32(OHCI_TD_OUT | 1522184610Salfred OHCI_TD_NOCC | OHCI_TD_TOGGLE_1 | OHCI_TD_SET_DI(1)); 1523184610Salfred } else { 1524184610Salfred temp.td_flags = htole32(OHCI_TD_IN | 1525184610Salfred OHCI_TD_NOCC | OHCI_TD_TOGGLE_1 | OHCI_TD_SET_DI(1)); 1526184610Salfred } 1527184610Salfred 1528184610Salfred temp.len = 0; 1529184610Salfred temp.pc = NULL; 1530184610Salfred temp.shortpkt = 0; 1531190183Sthompsa temp.last_frame = 1; 1532190183Sthompsa temp.setup_alt_next = 0; 1533184610Salfred 1534184610Salfred ohci_setup_standard_chain_sub(&temp); 1535184610Salfred } 1536184610Salfred td = temp.td; 1537184610Salfred 1538190183Sthompsa /* Ensure that last TD is terminating: */ 1539184610Salfred td->td_next = htole32(OHCI_TD_NEXT_END); 1540184610Salfred td->td_flags &= ~htole32(OHCI_TD_INTR_MASK); 1541184610Salfred td->td_flags |= htole32(OHCI_TD_SET_DI(1)); 1542184610Salfred 1543194228Sthompsa usb_pc_cpu_flush(td->page_cache); 1544184610Salfred 1545184610Salfred /* must have at least one frame! */ 1546184610Salfred 1547184610Salfred xfer->td_transfer_last = td; 1548184610Salfred 1549194677Sthompsa#ifdef USB_DEBUG 1550184610Salfred if (ohcidebug > 8) { 1551184610Salfred DPRINTF("nexttog=%d; data before transfer:\n", 1552193644Sthompsa xfer->endpoint->toggle_next); 1553184610Salfred ohci_dump_tds(xfer->td_transfer_first); 1554184610Salfred } 1555184610Salfred#endif 1556184610Salfred 1557184610Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 1558184610Salfred 1559184610Salfred ed_flags = (OHCI_ED_SET_FA(xfer->address) | 1560193644Sthompsa OHCI_ED_SET_EN(UE_GET_ADDR(xfer->endpointno)) | 1561184610Salfred OHCI_ED_SET_MAXP(xfer->max_frame_size)); 1562184610Salfred 1563184610Salfred ed_flags |= (OHCI_ED_FORMAT_GEN | OHCI_ED_DIR_TD); 1564184610Salfred 1565187173Sthompsa if (xfer->xroot->udev->speed == USB_SPEED_LOW) { 1566184610Salfred ed_flags |= OHCI_ED_SPEED; 1567184610Salfred } 1568184610Salfred ed->ed_flags = htole32(ed_flags); 1569184610Salfred 1570184610Salfred td = xfer->td_transfer_first; 1571184610Salfred 1572186730Salfred ed->ed_headp = td->td_self; 1573184610Salfred 1574191824Sthompsa if (xfer->xroot->udev->flags.self_suspended == 0) { 1575187167Sthompsa /* the append function will flush the endpoint descriptor */ 1576186730Salfred OHCI_APPEND_QH(ed, *ed_last); 1577184610Salfred 1578186730Salfred if (methods == &ohci_device_bulk_methods) { 1579187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1580184610Salfred 1581186730Salfred OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_BLF); 1582186730Salfred } 1583186730Salfred if (methods == &ohci_device_ctrl_methods) { 1584187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1585186730Salfred 1586186730Salfred OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_CLF); 1587186730Salfred } 1588186730Salfred } else { 1589194228Sthompsa usb_pc_cpu_flush(ed->page_cache); 1590184610Salfred } 1591184610Salfred} 1592184610Salfred 1593184610Salfredstatic void 1594190735Sthompsaohci_root_intr(ohci_softc_t *sc) 1595184610Salfred{ 1596184610Salfred uint32_t hstatus; 1597184610Salfred uint16_t i; 1598184610Salfred uint16_t m; 1599184610Salfred 1600184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 1601184610Salfred 1602184610Salfred /* clear any old interrupt data */ 1603190735Sthompsa memset(sc->sc_hub_idata, 0, sizeof(sc->sc_hub_idata)); 1604184610Salfred 1605184610Salfred hstatus = OREAD4(sc, OHCI_RH_STATUS); 1606190735Sthompsa DPRINTF("sc=%p hstatus=0x%08x\n", 1607190735Sthompsa sc, hstatus); 1608184610Salfred 1609184610Salfred /* set bits */ 1610184610Salfred m = (sc->sc_noport + 1); 1611184610Salfred if (m > (8 * sizeof(sc->sc_hub_idata))) { 1612184610Salfred m = (8 * sizeof(sc->sc_hub_idata)); 1613184610Salfred } 1614184610Salfred for (i = 1; i < m; i++) { 1615184610Salfred /* pick out CHANGE bits from the status register */ 1616184610Salfred if (OREAD4(sc, OHCI_RH_PORT_STATUS(i)) >> 16) { 1617184610Salfred sc->sc_hub_idata[i / 8] |= 1 << (i % 8); 1618184610Salfred DPRINTF("port %d changed\n", i); 1619184610Salfred } 1620184610Salfred } 1621190735Sthompsa 1622190735Sthompsa uhub_root_intr(&sc->sc_bus, sc->sc_hub_idata, 1623190735Sthompsa sizeof(sc->sc_hub_idata)); 1624184610Salfred} 1625184610Salfred 1626184610Salfred/* NOTE: "done" can be run two times in a row, 1627184610Salfred * from close and from interrupt 1628184610Salfred */ 1629184610Salfredstatic void 1630193045Sthompsaohci_device_done(struct usb_xfer *xfer, usb_error_t error) 1631184610Salfred{ 1632193644Sthompsa struct usb_pipe_methods *methods = xfer->endpoint->methods; 1633187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1634184610Salfred ohci_ed_t *ed; 1635184610Salfred 1636184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 1637184610Salfred 1638184610Salfred 1639193644Sthompsa DPRINTFN(2, "xfer=%p, endpoint=%p, error=%d\n", 1640193644Sthompsa xfer, xfer->endpoint, error); 1641184610Salfred 1642184610Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 1643184610Salfred if (ed) { 1644194228Sthompsa usb_pc_cpu_invalidate(ed->page_cache); 1645184610Salfred } 1646184610Salfred if (methods == &ohci_device_bulk_methods) { 1647184610Salfred OHCI_REMOVE_QH(ed, sc->sc_bulk_p_last); 1648184610Salfred } 1649184610Salfred if (methods == &ohci_device_ctrl_methods) { 1650184610Salfred OHCI_REMOVE_QH(ed, sc->sc_ctrl_p_last); 1651184610Salfred } 1652184610Salfred if (methods == &ohci_device_intr_methods) { 1653184610Salfred OHCI_REMOVE_QH(ed, sc->sc_intr_p_last[xfer->qh_pos]); 1654184610Salfred } 1655184610Salfred if (methods == &ohci_device_isoc_methods) { 1656184610Salfred OHCI_REMOVE_QH(ed, sc->sc_isoc_p_last); 1657184610Salfred } 1658184610Salfred xfer->td_transfer_first = NULL; 1659184610Salfred xfer->td_transfer_last = NULL; 1660184610Salfred 1661184610Salfred /* dequeue transfer and start next transfer */ 1662194228Sthompsa usbd_transfer_done(xfer, error); 1663184610Salfred} 1664184610Salfred 1665184610Salfred/*------------------------------------------------------------------------* 1666184610Salfred * ohci bulk support 1667184610Salfred *------------------------------------------------------------------------*/ 1668184610Salfredstatic void 1669192984Sthompsaohci_device_bulk_open(struct usb_xfer *xfer) 1670184610Salfred{ 1671184610Salfred return; 1672184610Salfred} 1673184610Salfred 1674184610Salfredstatic void 1675192984Sthompsaohci_device_bulk_close(struct usb_xfer *xfer) 1676184610Salfred{ 1677184610Salfred ohci_device_done(xfer, USB_ERR_CANCELLED); 1678184610Salfred} 1679184610Salfred 1680184610Salfredstatic void 1681192984Sthompsaohci_device_bulk_enter(struct usb_xfer *xfer) 1682184610Salfred{ 1683184610Salfred return; 1684184610Salfred} 1685184610Salfred 1686184610Salfredstatic void 1687192984Sthompsaohci_device_bulk_start(struct usb_xfer *xfer) 1688184610Salfred{ 1689187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1690184610Salfred 1691184610Salfred /* setup TD's and QH */ 1692184610Salfred ohci_setup_standard_chain(xfer, &sc->sc_bulk_p_last); 1693184610Salfred 1694184610Salfred /* put transfer on interrupt queue */ 1695184610Salfred ohci_transfer_intr_enqueue(xfer); 1696184610Salfred} 1697184610Salfred 1698192984Sthompsastruct usb_pipe_methods ohci_device_bulk_methods = 1699184610Salfred{ 1700184610Salfred .open = ohci_device_bulk_open, 1701184610Salfred .close = ohci_device_bulk_close, 1702184610Salfred .enter = ohci_device_bulk_enter, 1703184610Salfred .start = ohci_device_bulk_start, 1704184610Salfred}; 1705184610Salfred 1706184610Salfred/*------------------------------------------------------------------------* 1707184610Salfred * ohci control support 1708184610Salfred *------------------------------------------------------------------------*/ 1709184610Salfredstatic void 1710192984Sthompsaohci_device_ctrl_open(struct usb_xfer *xfer) 1711184610Salfred{ 1712184610Salfred return; 1713184610Salfred} 1714184610Salfred 1715184610Salfredstatic void 1716192984Sthompsaohci_device_ctrl_close(struct usb_xfer *xfer) 1717184610Salfred{ 1718184610Salfred ohci_device_done(xfer, USB_ERR_CANCELLED); 1719184610Salfred} 1720184610Salfred 1721184610Salfredstatic void 1722192984Sthompsaohci_device_ctrl_enter(struct usb_xfer *xfer) 1723184610Salfred{ 1724184610Salfred return; 1725184610Salfred} 1726184610Salfred 1727184610Salfredstatic void 1728192984Sthompsaohci_device_ctrl_start(struct usb_xfer *xfer) 1729184610Salfred{ 1730187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1731184610Salfred 1732184610Salfred /* setup TD's and QH */ 1733184610Salfred ohci_setup_standard_chain(xfer, &sc->sc_ctrl_p_last); 1734184610Salfred 1735184610Salfred /* put transfer on interrupt queue */ 1736184610Salfred ohci_transfer_intr_enqueue(xfer); 1737184610Salfred} 1738184610Salfred 1739192984Sthompsastruct usb_pipe_methods ohci_device_ctrl_methods = 1740184610Salfred{ 1741184610Salfred .open = ohci_device_ctrl_open, 1742184610Salfred .close = ohci_device_ctrl_close, 1743184610Salfred .enter = ohci_device_ctrl_enter, 1744184610Salfred .start = ohci_device_ctrl_start, 1745184610Salfred}; 1746184610Salfred 1747184610Salfred/*------------------------------------------------------------------------* 1748184610Salfred * ohci interrupt support 1749184610Salfred *------------------------------------------------------------------------*/ 1750184610Salfredstatic void 1751192984Sthompsaohci_device_intr_open(struct usb_xfer *xfer) 1752184610Salfred{ 1753187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1754184610Salfred uint16_t best; 1755184610Salfred uint16_t bit; 1756184610Salfred uint16_t x; 1757184610Salfred 1758184610Salfred best = 0; 1759184610Salfred bit = OHCI_NO_EDS / 2; 1760184610Salfred while (bit) { 1761184610Salfred if (xfer->interval >= bit) { 1762184610Salfred x = bit; 1763184610Salfred best = bit; 1764184610Salfred while (x & bit) { 1765184610Salfred if (sc->sc_intr_stat[x] < 1766184610Salfred sc->sc_intr_stat[best]) { 1767184610Salfred best = x; 1768184610Salfred } 1769184610Salfred x++; 1770184610Salfred } 1771184610Salfred break; 1772184610Salfred } 1773184610Salfred bit >>= 1; 1774184610Salfred } 1775184610Salfred 1776184610Salfred sc->sc_intr_stat[best]++; 1777184610Salfred xfer->qh_pos = best; 1778184610Salfred 1779184610Salfred DPRINTFN(3, "best=%d interval=%d\n", 1780184610Salfred best, xfer->interval); 1781184610Salfred} 1782184610Salfred 1783184610Salfredstatic void 1784192984Sthompsaohci_device_intr_close(struct usb_xfer *xfer) 1785184610Salfred{ 1786187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1787184610Salfred 1788184610Salfred sc->sc_intr_stat[xfer->qh_pos]--; 1789184610Salfred 1790184610Salfred ohci_device_done(xfer, USB_ERR_CANCELLED); 1791184610Salfred} 1792184610Salfred 1793184610Salfredstatic void 1794192984Sthompsaohci_device_intr_enter(struct usb_xfer *xfer) 1795184610Salfred{ 1796184610Salfred return; 1797184610Salfred} 1798184610Salfred 1799184610Salfredstatic void 1800192984Sthompsaohci_device_intr_start(struct usb_xfer *xfer) 1801184610Salfred{ 1802187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1803184610Salfred 1804184610Salfred /* setup TD's and QH */ 1805184610Salfred ohci_setup_standard_chain(xfer, &sc->sc_intr_p_last[xfer->qh_pos]); 1806184610Salfred 1807184610Salfred /* put transfer on interrupt queue */ 1808184610Salfred ohci_transfer_intr_enqueue(xfer); 1809184610Salfred} 1810184610Salfred 1811192984Sthompsastruct usb_pipe_methods ohci_device_intr_methods = 1812184610Salfred{ 1813184610Salfred .open = ohci_device_intr_open, 1814184610Salfred .close = ohci_device_intr_close, 1815184610Salfred .enter = ohci_device_intr_enter, 1816184610Salfred .start = ohci_device_intr_start, 1817184610Salfred}; 1818184610Salfred 1819184610Salfred/*------------------------------------------------------------------------* 1820184610Salfred * ohci isochronous support 1821184610Salfred *------------------------------------------------------------------------*/ 1822184610Salfredstatic void 1823192984Sthompsaohci_device_isoc_open(struct usb_xfer *xfer) 1824184610Salfred{ 1825184610Salfred return; 1826184610Salfred} 1827184610Salfred 1828184610Salfredstatic void 1829192984Sthompsaohci_device_isoc_close(struct usb_xfer *xfer) 1830184610Salfred{ 1831184610Salfred /**/ 1832184610Salfred ohci_device_done(xfer, USB_ERR_CANCELLED); 1833184610Salfred} 1834184610Salfred 1835184610Salfredstatic void 1836192984Sthompsaohci_device_isoc_enter(struct usb_xfer *xfer) 1837184610Salfred{ 1838192984Sthompsa struct usb_page_search buf_res; 1839187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1840184610Salfred struct ohci_hcca *hcca; 1841184610Salfred uint32_t buf_offset; 1842184610Salfred uint32_t nframes; 1843184610Salfred uint32_t ed_flags; 1844184610Salfred uint32_t *plen; 1845184610Salfred uint16_t itd_offset[OHCI_ITD_NOFFSET]; 1846184610Salfred uint16_t length; 1847184610Salfred uint8_t ncur; 1848184610Salfred ohci_itd_t *td; 1849184610Salfred ohci_itd_t *td_last = NULL; 1850184610Salfred ohci_ed_t *ed; 1851184610Salfred 1852184610Salfred hcca = ohci_get_hcca(sc); 1853184610Salfred 1854184610Salfred nframes = le32toh(hcca->hcca_frame_number); 1855184610Salfred 1856184610Salfred DPRINTFN(6, "xfer=%p isoc_next=%u nframes=%u hcca_fn=%u\n", 1857193644Sthompsa xfer, xfer->endpoint->isoc_next, xfer->nframes, nframes); 1858184610Salfred 1859193644Sthompsa if ((xfer->endpoint->is_synced == 0) || 1860193644Sthompsa (((nframes - xfer->endpoint->isoc_next) & 0xFFFF) < xfer->nframes) || 1861193644Sthompsa (((xfer->endpoint->isoc_next - nframes) & 0xFFFF) >= 128)) { 1862184610Salfred /* 1863184610Salfred * If there is data underflow or the pipe queue is empty we 1864184610Salfred * schedule the transfer a few frames ahead of the current 1865184610Salfred * frame position. Else two isochronous transfers might 1866184610Salfred * overlap. 1867184610Salfred */ 1868193644Sthompsa xfer->endpoint->isoc_next = (nframes + 3) & 0xFFFF; 1869193644Sthompsa xfer->endpoint->is_synced = 1; 1870193644Sthompsa DPRINTFN(3, "start next=%d\n", xfer->endpoint->isoc_next); 1871184610Salfred } 1872184610Salfred /* 1873184610Salfred * compute how many milliseconds the insertion is ahead of the 1874184610Salfred * current frame position: 1875184610Salfred */ 1876193644Sthompsa buf_offset = ((xfer->endpoint->isoc_next - nframes) & 0xFFFF); 1877184610Salfred 1878184610Salfred /* 1879184610Salfred * pre-compute when the isochronous transfer will be finished: 1880184610Salfred */ 1881184610Salfred xfer->isoc_time_complete = 1882194228Sthompsa (usb_isoc_time_expand(&sc->sc_bus, nframes) + buf_offset + 1883184610Salfred xfer->nframes); 1884184610Salfred 1885184610Salfred /* get the real number of frames */ 1886184610Salfred 1887184610Salfred nframes = xfer->nframes; 1888184610Salfred 1889184610Salfred buf_offset = 0; 1890184610Salfred 1891184610Salfred plen = xfer->frlengths; 1892184610Salfred 1893184610Salfred /* toggle the DMA set we are using */ 1894184610Salfred xfer->flags_int.curr_dma_set ^= 1; 1895184610Salfred 1896184610Salfred /* get next DMA set */ 1897184610Salfred td = xfer->td_start[xfer->flags_int.curr_dma_set]; 1898184610Salfred 1899184610Salfred xfer->td_transfer_first = td; 1900184610Salfred 1901184610Salfred ncur = 0; 1902184610Salfred length = 0; 1903184610Salfred 1904184610Salfred while (nframes--) { 1905184610Salfred if (td == NULL) { 1906184610Salfred panic("%s:%d: out of TD's\n", 1907184610Salfred __FUNCTION__, __LINE__); 1908184610Salfred } 1909184610Salfred itd_offset[ncur] = length; 1910184610Salfred buf_offset += *plen; 1911184610Salfred length += *plen; 1912184610Salfred plen++; 1913184610Salfred ncur++; 1914184610Salfred 1915184610Salfred if ( /* check if the ITD is full */ 1916184610Salfred (ncur == OHCI_ITD_NOFFSET) || 1917184610Salfred /* check if we have put more than 4K into the ITD */ 1918184610Salfred (length & 0xF000) || 1919184610Salfred /* check if it is the last frame */ 1920184610Salfred (nframes == 0)) { 1921184610Salfred 1922184610Salfred /* fill current ITD */ 1923184610Salfred td->itd_flags = htole32( 1924184610Salfred OHCI_ITD_NOCC | 1925193644Sthompsa OHCI_ITD_SET_SF(xfer->endpoint->isoc_next) | 1926184610Salfred OHCI_ITD_NOINTR | 1927184610Salfred OHCI_ITD_SET_FC(ncur)); 1928184610Salfred 1929184610Salfred td->frames = ncur; 1930193644Sthompsa xfer->endpoint->isoc_next += ncur; 1931184610Salfred 1932184610Salfred if (length == 0) { 1933184610Salfred /* all zero */ 1934184610Salfred td->itd_bp0 = 0; 1935184610Salfred td->itd_be = ~0; 1936184610Salfred 1937184610Salfred while (ncur--) { 1938184610Salfred td->itd_offset[ncur] = 1939184610Salfred htole16(OHCI_ITD_MK_OFFS(0)); 1940184610Salfred } 1941184610Salfred } else { 1942194228Sthompsa usbd_get_page(xfer->frbuffers, buf_offset - length, &buf_res); 1943184610Salfred length = OHCI_PAGE_MASK(buf_res.physaddr); 1944184610Salfred buf_res.physaddr = 1945184610Salfred OHCI_PAGE(buf_res.physaddr); 1946184610Salfred td->itd_bp0 = htole32(buf_res.physaddr); 1947194228Sthompsa usbd_get_page(xfer->frbuffers, buf_offset - 1, &buf_res); 1948184610Salfred td->itd_be = htole32(buf_res.physaddr); 1949184610Salfred 1950184610Salfred while (ncur--) { 1951184610Salfred itd_offset[ncur] += length; 1952184610Salfred itd_offset[ncur] = 1953184610Salfred OHCI_ITD_MK_OFFS(itd_offset[ncur]); 1954184610Salfred td->itd_offset[ncur] = 1955184610Salfred htole16(itd_offset[ncur]); 1956184610Salfred } 1957184610Salfred } 1958184610Salfred ncur = 0; 1959184610Salfred length = 0; 1960184610Salfred td_last = td; 1961184610Salfred td = td->obj_next; 1962184610Salfred 1963184610Salfred if (td) { 1964184610Salfred /* link the last TD with the next one */ 1965184610Salfred td_last->itd_next = td->itd_self; 1966184610Salfred } 1967194228Sthompsa usb_pc_cpu_flush(td_last->page_cache); 1968184610Salfred } 1969184610Salfred } 1970184610Salfred 1971184610Salfred /* update the last TD */ 1972184610Salfred td_last->itd_flags &= ~htole32(OHCI_ITD_NOINTR); 1973184610Salfred td_last->itd_flags |= htole32(OHCI_ITD_SET_DI(0)); 1974184610Salfred td_last->itd_next = 0; 1975184610Salfred 1976194228Sthompsa usb_pc_cpu_flush(td_last->page_cache); 1977184610Salfred 1978184610Salfred xfer->td_transfer_last = td_last; 1979184610Salfred 1980194677Sthompsa#ifdef USB_DEBUG 1981184610Salfred if (ohcidebug > 8) { 1982184610Salfred DPRINTF("data before transfer:\n"); 1983184610Salfred ohci_dump_itds(xfer->td_transfer_first); 1984184610Salfred } 1985184610Salfred#endif 1986184610Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 1987184610Salfred 1988193644Sthompsa if (UE_GET_DIR(xfer->endpointno) == UE_DIR_IN) 1989184610Salfred ed_flags = (OHCI_ED_DIR_IN | OHCI_ED_FORMAT_ISO); 1990184610Salfred else 1991184610Salfred ed_flags = (OHCI_ED_DIR_OUT | OHCI_ED_FORMAT_ISO); 1992184610Salfred 1993184610Salfred ed_flags |= (OHCI_ED_SET_FA(xfer->address) | 1994193644Sthompsa OHCI_ED_SET_EN(UE_GET_ADDR(xfer->endpointno)) | 1995184610Salfred OHCI_ED_SET_MAXP(xfer->max_frame_size)); 1996184610Salfred 1997187173Sthompsa if (xfer->xroot->udev->speed == USB_SPEED_LOW) { 1998184610Salfred ed_flags |= OHCI_ED_SPEED; 1999184610Salfred } 2000184610Salfred ed->ed_flags = htole32(ed_flags); 2001184610Salfred 2002184610Salfred td = xfer->td_transfer_first; 2003184610Salfred 2004186730Salfred ed->ed_headp = td->itd_self; 2005186730Salfred 2006186730Salfred /* isochronous transfers are not affected by suspend / resume */ 2007187167Sthompsa /* the append function will flush the endpoint descriptor */ 2008186730Salfred 2009186730Salfred OHCI_APPEND_QH(ed, sc->sc_isoc_p_last); 2010184610Salfred} 2011184610Salfred 2012184610Salfredstatic void 2013192984Sthompsaohci_device_isoc_start(struct usb_xfer *xfer) 2014184610Salfred{ 2015184610Salfred /* put transfer on interrupt queue */ 2016184610Salfred ohci_transfer_intr_enqueue(xfer); 2017184610Salfred} 2018184610Salfred 2019192984Sthompsastruct usb_pipe_methods ohci_device_isoc_methods = 2020184610Salfred{ 2021184610Salfred .open = ohci_device_isoc_open, 2022184610Salfred .close = ohci_device_isoc_close, 2023184610Salfred .enter = ohci_device_isoc_enter, 2024184610Salfred .start = ohci_device_isoc_start, 2025184610Salfred}; 2026184610Salfred 2027184610Salfred/*------------------------------------------------------------------------* 2028184610Salfred * ohci root control support 2029184610Salfred *------------------------------------------------------------------------* 2030190735Sthompsa * Simulate a hardware hub by handling all the necessary requests. 2031184610Salfred *------------------------------------------------------------------------*/ 2032184610Salfred 2033184610Salfredstatic const 2034192984Sthompsastruct usb_device_descriptor ohci_devd = 2035184610Salfred{ 2036192984Sthompsa sizeof(struct usb_device_descriptor), 2037184610Salfred UDESC_DEVICE, /* type */ 2038184610Salfred {0x00, 0x01}, /* USB version */ 2039184610Salfred UDCLASS_HUB, /* class */ 2040184610Salfred UDSUBCLASS_HUB, /* subclass */ 2041184610Salfred UDPROTO_FSHUB, /* protocol */ 2042184610Salfred 64, /* max packet */ 2043184610Salfred {0}, {0}, {0x00, 0x01}, /* device id */ 2044184610Salfred 1, 2, 0, /* string indicies */ 2045184610Salfred 1 /* # of configurations */ 2046184610Salfred}; 2047184610Salfred 2048184610Salfredstatic const 2049184610Salfredstruct ohci_config_desc ohci_confd = 2050184610Salfred{ 2051184610Salfred .confd = { 2052192984Sthompsa .bLength = sizeof(struct usb_config_descriptor), 2053184610Salfred .bDescriptorType = UDESC_CONFIG, 2054184610Salfred .wTotalLength[0] = sizeof(ohci_confd), 2055184610Salfred .bNumInterface = 1, 2056184610Salfred .bConfigurationValue = 1, 2057184610Salfred .iConfiguration = 0, 2058184610Salfred .bmAttributes = UC_SELF_POWERED, 2059184610Salfred .bMaxPower = 0, /* max power */ 2060184610Salfred }, 2061184610Salfred .ifcd = { 2062192984Sthompsa .bLength = sizeof(struct usb_interface_descriptor), 2063184610Salfred .bDescriptorType = UDESC_INTERFACE, 2064184610Salfred .bNumEndpoints = 1, 2065184610Salfred .bInterfaceClass = UICLASS_HUB, 2066184610Salfred .bInterfaceSubClass = UISUBCLASS_HUB, 2067213802Shselasky .bInterfaceProtocol = 0, 2068184610Salfred }, 2069184610Salfred .endpd = { 2070192984Sthompsa .bLength = sizeof(struct usb_endpoint_descriptor), 2071184610Salfred .bDescriptorType = UDESC_ENDPOINT, 2072184610Salfred .bEndpointAddress = UE_DIR_IN | OHCI_INTR_ENDPT, 2073184610Salfred .bmAttributes = UE_INTERRUPT, 2074184610Salfred .wMaxPacketSize[0] = 32,/* max packet (255 ports) */ 2075184610Salfred .bInterval = 255, 2076184610Salfred }, 2077184610Salfred}; 2078184610Salfred 2079184610Salfredstatic const 2080192984Sthompsastruct usb_hub_descriptor ohci_hubd = 2081184610Salfred{ 2082235000Shselasky .bDescLength = 0, /* dynamic length */ 2083235000Shselasky .bDescriptorType = UDESC_HUB, 2084184610Salfred}; 2085184610Salfred 2086193045Sthompsastatic usb_error_t 2087192984Sthompsaohci_roothub_exec(struct usb_device *udev, 2088192984Sthompsa struct usb_device_request *req, const void **pptr, uint16_t *plength) 2089184610Salfred{ 2090191402Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(udev->bus); 2091191402Sthompsa const void *ptr; 2092191402Sthompsa const char *str_ptr; 2093184610Salfred uint32_t port; 2094184610Salfred uint32_t v; 2095191402Sthompsa uint16_t len; 2096184610Salfred uint16_t value; 2097184610Salfred uint16_t index; 2098184610Salfred uint8_t l; 2099193045Sthompsa usb_error_t err; 2100184610Salfred 2101184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 2102184610Salfred 2103184610Salfred /* buffer reset */ 2104191402Sthompsa ptr = (const void *)&sc->sc_hub_desc.temp; 2105191402Sthompsa len = 0; 2106191402Sthompsa err = 0; 2107184610Salfred 2108191402Sthompsa value = UGETW(req->wValue); 2109191402Sthompsa index = UGETW(req->wIndex); 2110184610Salfred 2111184610Salfred DPRINTFN(3, "type=0x%02x request=0x%02x wLen=0x%04x " 2112184610Salfred "wValue=0x%04x wIndex=0x%04x\n", 2113191402Sthompsa req->bmRequestType, req->bRequest, 2114191402Sthompsa UGETW(req->wLength), value, index); 2115184610Salfred 2116184610Salfred#define C(x,y) ((x) | ((y) << 8)) 2117191402Sthompsa switch (C(req->bRequest, req->bmRequestType)) { 2118184610Salfred case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE): 2119184610Salfred case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE): 2120184610Salfred case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT): 2121184610Salfred /* 2122184610Salfred * DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops 2123184610Salfred * for the integrated root hub. 2124184610Salfred */ 2125184610Salfred break; 2126184610Salfred case C(UR_GET_CONFIG, UT_READ_DEVICE): 2127191402Sthompsa len = 1; 2128184610Salfred sc->sc_hub_desc.temp[0] = sc->sc_conf; 2129184610Salfred break; 2130184610Salfred case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE): 2131184610Salfred switch (value >> 8) { 2132184610Salfred case UDESC_DEVICE: 2133184610Salfred if ((value & 0xff) != 0) { 2134191402Sthompsa err = USB_ERR_IOERROR; 2135184610Salfred goto done; 2136184610Salfred } 2137191402Sthompsa len = sizeof(ohci_devd); 2138191402Sthompsa ptr = (const void *)&ohci_devd; 2139184610Salfred break; 2140184610Salfred 2141184610Salfred case UDESC_CONFIG: 2142184610Salfred if ((value & 0xff) != 0) { 2143191402Sthompsa err = USB_ERR_IOERROR; 2144184610Salfred goto done; 2145184610Salfred } 2146191402Sthompsa len = sizeof(ohci_confd); 2147191402Sthompsa ptr = (const void *)&ohci_confd; 2148184610Salfred break; 2149184610Salfred 2150184610Salfred case UDESC_STRING: 2151184610Salfred switch (value & 0xff) { 2152184610Salfred case 0: /* Language table */ 2153191402Sthompsa str_ptr = "\001"; 2154184610Salfred break; 2155184610Salfred 2156184610Salfred case 1: /* Vendor */ 2157191402Sthompsa str_ptr = sc->sc_vendor; 2158184610Salfred break; 2159184610Salfred 2160184610Salfred case 2: /* Product */ 2161191402Sthompsa str_ptr = "OHCI root HUB"; 2162184610Salfred break; 2163184610Salfred 2164184610Salfred default: 2165191402Sthompsa str_ptr = ""; 2166184610Salfred break; 2167184610Salfred } 2168184610Salfred 2169194228Sthompsa len = usb_make_str_desc( 2170191402Sthompsa sc->sc_hub_desc.temp, 2171184610Salfred sizeof(sc->sc_hub_desc.temp), 2172191402Sthompsa str_ptr); 2173184610Salfred break; 2174184610Salfred 2175184610Salfred default: 2176191402Sthompsa err = USB_ERR_IOERROR; 2177184610Salfred goto done; 2178184610Salfred } 2179184610Salfred break; 2180184610Salfred case C(UR_GET_INTERFACE, UT_READ_INTERFACE): 2181191402Sthompsa len = 1; 2182184610Salfred sc->sc_hub_desc.temp[0] = 0; 2183184610Salfred break; 2184184610Salfred case C(UR_GET_STATUS, UT_READ_DEVICE): 2185191402Sthompsa len = 2; 2186184610Salfred USETW(sc->sc_hub_desc.stat.wStatus, UDS_SELF_POWERED); 2187184610Salfred break; 2188184610Salfred case C(UR_GET_STATUS, UT_READ_INTERFACE): 2189184610Salfred case C(UR_GET_STATUS, UT_READ_ENDPOINT): 2190191402Sthompsa len = 2; 2191184610Salfred USETW(sc->sc_hub_desc.stat.wStatus, 0); 2192184610Salfred break; 2193184610Salfred case C(UR_SET_ADDRESS, UT_WRITE_DEVICE): 2194190174Sthompsa if (value >= OHCI_MAX_DEVICES) { 2195191402Sthompsa err = USB_ERR_IOERROR; 2196184610Salfred goto done; 2197184610Salfred } 2198184610Salfred sc->sc_addr = value; 2199184610Salfred break; 2200184610Salfred case C(UR_SET_CONFIG, UT_WRITE_DEVICE): 2201184610Salfred if ((value != 0) && (value != 1)) { 2202191402Sthompsa err = USB_ERR_IOERROR; 2203184610Salfred goto done; 2204184610Salfred } 2205184610Salfred sc->sc_conf = value; 2206184610Salfred break; 2207184610Salfred case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE): 2208184610Salfred break; 2209184610Salfred case C(UR_SET_FEATURE, UT_WRITE_DEVICE): 2210184610Salfred case C(UR_SET_FEATURE, UT_WRITE_INTERFACE): 2211184610Salfred case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT): 2212191402Sthompsa err = USB_ERR_IOERROR; 2213184610Salfred goto done; 2214184610Salfred case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE): 2215184610Salfred break; 2216184610Salfred case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT): 2217184610Salfred break; 2218184610Salfred /* Hub requests */ 2219184610Salfred case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE): 2220184610Salfred break; 2221184610Salfred case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER): 2222184610Salfred DPRINTFN(9, "UR_CLEAR_PORT_FEATURE " 2223184610Salfred "port=%d feature=%d\n", 2224184610Salfred index, value); 2225184610Salfred if ((index < 1) || 2226184610Salfred (index > sc->sc_noport)) { 2227191402Sthompsa err = USB_ERR_IOERROR; 2228184610Salfred goto done; 2229184610Salfred } 2230184610Salfred port = OHCI_RH_PORT_STATUS(index); 2231184610Salfred switch (value) { 2232184610Salfred case UHF_PORT_ENABLE: 2233184610Salfred OWRITE4(sc, port, UPS_CURRENT_CONNECT_STATUS); 2234184610Salfred break; 2235184610Salfred case UHF_PORT_SUSPEND: 2236184610Salfred OWRITE4(sc, port, UPS_OVERCURRENT_INDICATOR); 2237184610Salfred break; 2238184610Salfred case UHF_PORT_POWER: 2239184610Salfred /* Yes, writing to the LOW_SPEED bit clears power. */ 2240184610Salfred OWRITE4(sc, port, UPS_LOW_SPEED); 2241184610Salfred break; 2242184610Salfred case UHF_C_PORT_CONNECTION: 2243184610Salfred OWRITE4(sc, port, UPS_C_CONNECT_STATUS << 16); 2244184610Salfred break; 2245184610Salfred case UHF_C_PORT_ENABLE: 2246184610Salfred OWRITE4(sc, port, UPS_C_PORT_ENABLED << 16); 2247184610Salfred break; 2248184610Salfred case UHF_C_PORT_SUSPEND: 2249184610Salfred OWRITE4(sc, port, UPS_C_SUSPEND << 16); 2250184610Salfred break; 2251184610Salfred case UHF_C_PORT_OVER_CURRENT: 2252184610Salfred OWRITE4(sc, port, UPS_C_OVERCURRENT_INDICATOR << 16); 2253184610Salfred break; 2254184610Salfred case UHF_C_PORT_RESET: 2255184610Salfred OWRITE4(sc, port, UPS_C_PORT_RESET << 16); 2256184610Salfred break; 2257184610Salfred default: 2258191402Sthompsa err = USB_ERR_IOERROR; 2259184610Salfred goto done; 2260184610Salfred } 2261184610Salfred switch (value) { 2262184610Salfred case UHF_C_PORT_CONNECTION: 2263184610Salfred case UHF_C_PORT_ENABLE: 2264184610Salfred case UHF_C_PORT_SUSPEND: 2265184610Salfred case UHF_C_PORT_OVER_CURRENT: 2266184610Salfred case UHF_C_PORT_RESET: 2267184610Salfred /* enable RHSC interrupt if condition is cleared. */ 2268186454Sthompsa if ((OREAD4(sc, port) >> 16) == 0) 2269184610Salfred ohci_rhsc_enable(sc); 2270184610Salfred break; 2271184610Salfred default: 2272184610Salfred break; 2273184610Salfred } 2274184610Salfred break; 2275184610Salfred case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE): 2276184610Salfred if ((value & 0xff) != 0) { 2277191402Sthompsa err = USB_ERR_IOERROR; 2278184610Salfred goto done; 2279184610Salfred } 2280184610Salfred v = OREAD4(sc, OHCI_RH_DESCRIPTOR_A); 2281184610Salfred 2282184610Salfred sc->sc_hub_desc.hubd = ohci_hubd; 2283184610Salfred sc->sc_hub_desc.hubd.bNbrPorts = sc->sc_noport; 2284184610Salfred USETW(sc->sc_hub_desc.hubd.wHubCharacteristics, 2285184610Salfred (v & OHCI_NPS ? UHD_PWR_NO_SWITCH : 2286184610Salfred v & OHCI_PSM ? UHD_PWR_GANGED : UHD_PWR_INDIVIDUAL) 2287184610Salfred /* XXX overcurrent */ 2288184610Salfred ); 2289184610Salfred sc->sc_hub_desc.hubd.bPwrOn2PwrGood = OHCI_GET_POTPGT(v); 2290184610Salfred v = OREAD4(sc, OHCI_RH_DESCRIPTOR_B); 2291184610Salfred 2292184610Salfred for (l = 0; l < sc->sc_noport; l++) { 2293184610Salfred if (v & 1) { 2294184610Salfred sc->sc_hub_desc.hubd.DeviceRemovable[l / 8] |= (1 << (l % 8)); 2295184610Salfred } 2296184610Salfred v >>= 1; 2297184610Salfred } 2298184610Salfred sc->sc_hub_desc.hubd.bDescLength = 2299184610Salfred 8 + ((sc->sc_noport + 7) / 8); 2300191402Sthompsa len = sc->sc_hub_desc.hubd.bDescLength; 2301184610Salfred break; 2302184610Salfred 2303184610Salfred case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE): 2304191402Sthompsa len = 16; 2305229080Shselasky memset(sc->sc_hub_desc.temp, 0, 16); 2306184610Salfred break; 2307184610Salfred case C(UR_GET_STATUS, UT_READ_CLASS_OTHER): 2308184610Salfred DPRINTFN(9, "get port status i=%d\n", 2309184610Salfred index); 2310184610Salfred if ((index < 1) || 2311184610Salfred (index > sc->sc_noport)) { 2312191402Sthompsa err = USB_ERR_IOERROR; 2313184610Salfred goto done; 2314184610Salfred } 2315184610Salfred v = OREAD4(sc, OHCI_RH_PORT_STATUS(index)); 2316184610Salfred DPRINTFN(9, "port status=0x%04x\n", v); 2317257040Shselasky v &= ~UPS_PORT_MODE_DEVICE; /* force host mode */ 2318184610Salfred USETW(sc->sc_hub_desc.ps.wPortStatus, v); 2319184610Salfred USETW(sc->sc_hub_desc.ps.wPortChange, v >> 16); 2320191402Sthompsa len = sizeof(sc->sc_hub_desc.ps); 2321184610Salfred break; 2322184610Salfred case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE): 2323191402Sthompsa err = USB_ERR_IOERROR; 2324184610Salfred goto done; 2325184610Salfred case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE): 2326184610Salfred break; 2327184610Salfred case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER): 2328184610Salfred if ((index < 1) || 2329184610Salfred (index > sc->sc_noport)) { 2330191402Sthompsa err = USB_ERR_IOERROR; 2331184610Salfred goto done; 2332184610Salfred } 2333184610Salfred port = OHCI_RH_PORT_STATUS(index); 2334184610Salfred switch (value) { 2335184610Salfred case UHF_PORT_ENABLE: 2336184610Salfred OWRITE4(sc, port, UPS_PORT_ENABLED); 2337184610Salfred break; 2338184610Salfred case UHF_PORT_SUSPEND: 2339184610Salfred OWRITE4(sc, port, UPS_SUSPEND); 2340184610Salfred break; 2341184610Salfred case UHF_PORT_RESET: 2342184610Salfred DPRINTFN(6, "reset port %d\n", index); 2343184610Salfred OWRITE4(sc, port, UPS_RESET); 2344184610Salfred for (v = 0;; v++) { 2345184610Salfred if (v < 12) { 2346194228Sthompsa usb_pause_mtx(&sc->sc_bus.bus_mtx, 2347242775Shselasky USB_MS_TO_TICKS(usb_port_root_reset_delay)); 2348184610Salfred 2349184610Salfred if ((OREAD4(sc, port) & UPS_RESET) == 0) { 2350184610Salfred break; 2351184610Salfred } 2352184610Salfred } else { 2353191402Sthompsa err = USB_ERR_TIMEOUT; 2354184610Salfred goto done; 2355184610Salfred } 2356184610Salfred } 2357184610Salfred DPRINTFN(9, "ohci port %d reset, status = 0x%04x\n", 2358184610Salfred index, OREAD4(sc, port)); 2359184610Salfred break; 2360184610Salfred case UHF_PORT_POWER: 2361184610Salfred DPRINTFN(3, "set port power %d\n", index); 2362184610Salfred OWRITE4(sc, port, UPS_PORT_POWER); 2363184610Salfred break; 2364184610Salfred default: 2365191402Sthompsa err = USB_ERR_IOERROR; 2366184610Salfred goto done; 2367184610Salfred } 2368184610Salfred break; 2369184610Salfred default: 2370191402Sthompsa err = USB_ERR_IOERROR; 2371184610Salfred goto done; 2372184610Salfred } 2373184610Salfreddone: 2374191402Sthompsa *plength = len; 2375191402Sthompsa *pptr = ptr; 2376191402Sthompsa return (err); 2377184610Salfred} 2378184610Salfred 2379184610Salfredstatic void 2380192984Sthompsaohci_xfer_setup(struct usb_setup_params *parm) 2381184610Salfred{ 2382192984Sthompsa struct usb_page_search page_info; 2383192984Sthompsa struct usb_page_cache *pc; 2384184610Salfred ohci_softc_t *sc; 2385192984Sthompsa struct usb_xfer *xfer; 2386184610Salfred void *last_obj; 2387184610Salfred uint32_t ntd; 2388184610Salfred uint32_t nitd; 2389184610Salfred uint32_t nqh; 2390184610Salfred uint32_t n; 2391184610Salfred 2392184610Salfred sc = OHCI_BUS2SC(parm->udev->bus); 2393184610Salfred xfer = parm->curr_xfer; 2394184610Salfred 2395184610Salfred parm->hc_max_packet_size = 0x500; 2396184610Salfred parm->hc_max_packet_count = 1; 2397184610Salfred parm->hc_max_frame_size = OHCI_PAGE_SIZE; 2398184610Salfred 2399184610Salfred /* 2400184610Salfred * calculate ntd and nqh 2401184610Salfred */ 2402184610Salfred if (parm->methods == &ohci_device_ctrl_methods) { 2403184610Salfred xfer->flags_int.bdma_enable = 1; 2404184610Salfred 2405194228Sthompsa usbd_transfer_setup_sub(parm); 2406184610Salfred 2407184610Salfred nitd = 0; 2408184610Salfred ntd = ((2 * xfer->nframes) + 1 /* STATUS */ 2409190181Sthompsa + (xfer->max_data_length / xfer->max_hc_frame_size)); 2410184610Salfred nqh = 1; 2411184610Salfred 2412184610Salfred } else if (parm->methods == &ohci_device_bulk_methods) { 2413184610Salfred xfer->flags_int.bdma_enable = 1; 2414184610Salfred 2415194228Sthompsa usbd_transfer_setup_sub(parm); 2416184610Salfred 2417184610Salfred nitd = 0; 2418184610Salfred ntd = ((2 * xfer->nframes) 2419190181Sthompsa + (xfer->max_data_length / xfer->max_hc_frame_size)); 2420184610Salfred nqh = 1; 2421184610Salfred 2422184610Salfred } else if (parm->methods == &ohci_device_intr_methods) { 2423184610Salfred xfer->flags_int.bdma_enable = 1; 2424184610Salfred 2425194228Sthompsa usbd_transfer_setup_sub(parm); 2426184610Salfred 2427184610Salfred nitd = 0; 2428184610Salfred ntd = ((2 * xfer->nframes) 2429190181Sthompsa + (xfer->max_data_length / xfer->max_hc_frame_size)); 2430184610Salfred nqh = 1; 2431184610Salfred 2432184610Salfred } else if (parm->methods == &ohci_device_isoc_methods) { 2433184610Salfred xfer->flags_int.bdma_enable = 1; 2434184610Salfred 2435194228Sthompsa usbd_transfer_setup_sub(parm); 2436184610Salfred 2437184610Salfred nitd = ((xfer->max_data_length / OHCI_PAGE_SIZE) + 2438184610Salfred ((xfer->nframes + OHCI_ITD_NOFFSET - 1) / OHCI_ITD_NOFFSET) + 2439184610Salfred 1 /* EXTRA */ ); 2440184610Salfred ntd = 0; 2441184610Salfred nqh = 1; 2442184610Salfred 2443184610Salfred } else { 2444184610Salfred 2445194228Sthompsa usbd_transfer_setup_sub(parm); 2446184610Salfred 2447184610Salfred nitd = 0; 2448184610Salfred ntd = 0; 2449184610Salfred nqh = 0; 2450184610Salfred } 2451184610Salfred 2452184610Salfredalloc_dma_set: 2453184610Salfred 2454184610Salfred if (parm->err) { 2455184610Salfred return; 2456184610Salfred } 2457184610Salfred last_obj = NULL; 2458184610Salfred 2459194228Sthompsa if (usbd_transfer_setup_sub_malloc( 2460184610Salfred parm, &pc, sizeof(ohci_td_t), 2461184610Salfred OHCI_TD_ALIGN, ntd)) { 2462184610Salfred parm->err = USB_ERR_NOMEM; 2463184610Salfred return; 2464184610Salfred } 2465184610Salfred if (parm->buf) { 2466184610Salfred for (n = 0; n != ntd; n++) { 2467184610Salfred ohci_td_t *td; 2468184610Salfred 2469194228Sthompsa usbd_get_page(pc + n, 0, &page_info); 2470184610Salfred 2471184610Salfred td = page_info.buffer; 2472184610Salfred 2473184610Salfred /* init TD */ 2474184610Salfred td->td_self = htole32(page_info.physaddr); 2475184610Salfred td->obj_next = last_obj; 2476184610Salfred td->page_cache = pc + n; 2477184610Salfred 2478184610Salfred last_obj = td; 2479184610Salfred 2480194228Sthompsa usb_pc_cpu_flush(pc + n); 2481184610Salfred } 2482184610Salfred } 2483194228Sthompsa if (usbd_transfer_setup_sub_malloc( 2484184610Salfred parm, &pc, sizeof(ohci_itd_t), 2485184610Salfred OHCI_ITD_ALIGN, nitd)) { 2486184610Salfred parm->err = USB_ERR_NOMEM; 2487184610Salfred return; 2488184610Salfred } 2489184610Salfred if (parm->buf) { 2490184610Salfred for (n = 0; n != nitd; n++) { 2491184610Salfred ohci_itd_t *itd; 2492184610Salfred 2493194228Sthompsa usbd_get_page(pc + n, 0, &page_info); 2494184610Salfred 2495184610Salfred itd = page_info.buffer; 2496184610Salfred 2497184610Salfred /* init TD */ 2498184610Salfred itd->itd_self = htole32(page_info.physaddr); 2499184610Salfred itd->obj_next = last_obj; 2500184610Salfred itd->page_cache = pc + n; 2501184610Salfred 2502184610Salfred last_obj = itd; 2503184610Salfred 2504194228Sthompsa usb_pc_cpu_flush(pc + n); 2505184610Salfred } 2506184610Salfred } 2507184610Salfred xfer->td_start[xfer->flags_int.curr_dma_set] = last_obj; 2508184610Salfred 2509184610Salfred last_obj = NULL; 2510184610Salfred 2511194228Sthompsa if (usbd_transfer_setup_sub_malloc( 2512184610Salfred parm, &pc, sizeof(ohci_ed_t), 2513184610Salfred OHCI_ED_ALIGN, nqh)) { 2514184610Salfred parm->err = USB_ERR_NOMEM; 2515184610Salfred return; 2516184610Salfred } 2517184610Salfred if (parm->buf) { 2518184610Salfred for (n = 0; n != nqh; n++) { 2519184610Salfred ohci_ed_t *ed; 2520184610Salfred 2521194228Sthompsa usbd_get_page(pc + n, 0, &page_info); 2522184610Salfred 2523184610Salfred ed = page_info.buffer; 2524184610Salfred 2525184610Salfred /* init QH */ 2526184610Salfred ed->ed_self = htole32(page_info.physaddr); 2527184610Salfred ed->obj_next = last_obj; 2528184610Salfred ed->page_cache = pc + n; 2529184610Salfred 2530184610Salfred last_obj = ed; 2531184610Salfred 2532194228Sthompsa usb_pc_cpu_flush(pc + n); 2533184610Salfred } 2534184610Salfred } 2535184610Salfred xfer->qh_start[xfer->flags_int.curr_dma_set] = last_obj; 2536184610Salfred 2537184610Salfred if (!xfer->flags_int.curr_dma_set) { 2538184610Salfred xfer->flags_int.curr_dma_set = 1; 2539184610Salfred goto alloc_dma_set; 2540184610Salfred } 2541184610Salfred} 2542184610Salfred 2543184610Salfredstatic void 2544193644Sthompsaohci_ep_init(struct usb_device *udev, struct usb_endpoint_descriptor *edesc, 2545193644Sthompsa struct usb_endpoint *ep) 2546184610Salfred{ 2547184610Salfred ohci_softc_t *sc = OHCI_BUS2SC(udev->bus); 2548184610Salfred 2549193644Sthompsa DPRINTFN(2, "endpoint=%p, addr=%d, endpt=%d, mode=%d (%d)\n", 2550193644Sthompsa ep, udev->address, 2551192499Sthompsa edesc->bEndpointAddress, udev->flags.usb_mode, 2552184610Salfred sc->sc_addr); 2553184610Salfred 2554190735Sthompsa if (udev->device_index != sc->sc_addr) { 2555184610Salfred switch (edesc->bmAttributes & UE_XFERTYPE) { 2556184610Salfred case UE_CONTROL: 2557193644Sthompsa ep->methods = &ohci_device_ctrl_methods; 2558184610Salfred break; 2559184610Salfred case UE_INTERRUPT: 2560193644Sthompsa ep->methods = &ohci_device_intr_methods; 2561184610Salfred break; 2562184610Salfred case UE_ISOCHRONOUS: 2563184610Salfred if (udev->speed == USB_SPEED_FULL) { 2564193644Sthompsa ep->methods = &ohci_device_isoc_methods; 2565184610Salfred } 2566184610Salfred break; 2567184610Salfred case UE_BULK: 2568209443Sthompsa ep->methods = &ohci_device_bulk_methods; 2569184610Salfred break; 2570184610Salfred default: 2571184610Salfred /* do nothing */ 2572184610Salfred break; 2573184610Salfred } 2574184610Salfred } 2575184610Salfred} 2576184610Salfred 2577184610Salfredstatic void 2578192984Sthompsaohci_xfer_unsetup(struct usb_xfer *xfer) 2579184610Salfred{ 2580184610Salfred return; 2581184610Salfred} 2582184610Salfred 2583184610Salfredstatic void 2584212134Sthompsaohci_get_dma_delay(struct usb_device *udev, uint32_t *pus) 2585184610Salfred{ 2586184610Salfred /* 2587184610Salfred * Wait until hardware has finished any possible use of the 2588184610Salfred * transfer descriptor(s) and QH 2589184610Salfred */ 2590184610Salfred *pus = (1125); /* microseconds */ 2591184610Salfred} 2592184610Salfred 2593186730Salfredstatic void 2594192984Sthompsaohci_device_resume(struct usb_device *udev) 2595186730Salfred{ 2596186730Salfred struct ohci_softc *sc = OHCI_BUS2SC(udev->bus); 2597192984Sthompsa struct usb_xfer *xfer; 2598192984Sthompsa struct usb_pipe_methods *methods; 2599186730Salfred ohci_ed_t *ed; 2600186730Salfred 2601186730Salfred DPRINTF("\n"); 2602186730Salfred 2603186730Salfred USB_BUS_LOCK(udev->bus); 2604186730Salfred 2605186730Salfred TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { 2606186730Salfred 2607187173Sthompsa if (xfer->xroot->udev == udev) { 2608186730Salfred 2609193644Sthompsa methods = xfer->endpoint->methods; 2610186730Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 2611186730Salfred 2612186730Salfred if (methods == &ohci_device_bulk_methods) { 2613186730Salfred OHCI_APPEND_QH(ed, sc->sc_bulk_p_last); 2614186730Salfred OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_BLF); 2615186730Salfred } 2616186730Salfred if (methods == &ohci_device_ctrl_methods) { 2617186730Salfred OHCI_APPEND_QH(ed, sc->sc_ctrl_p_last); 2618186730Salfred OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_CLF); 2619186730Salfred } 2620186730Salfred if (methods == &ohci_device_intr_methods) { 2621186730Salfred OHCI_APPEND_QH(ed, sc->sc_intr_p_last[xfer->qh_pos]); 2622186730Salfred } 2623186730Salfred } 2624186730Salfred } 2625186730Salfred 2626186730Salfred USB_BUS_UNLOCK(udev->bus); 2627186730Salfred 2628186730Salfred return; 2629186730Salfred} 2630186730Salfred 2631186730Salfredstatic void 2632192984Sthompsaohci_device_suspend(struct usb_device *udev) 2633186730Salfred{ 2634186730Salfred struct ohci_softc *sc = OHCI_BUS2SC(udev->bus); 2635192984Sthompsa struct usb_xfer *xfer; 2636192984Sthompsa struct usb_pipe_methods *methods; 2637186730Salfred ohci_ed_t *ed; 2638186730Salfred 2639186730Salfred DPRINTF("\n"); 2640186730Salfred 2641186730Salfred USB_BUS_LOCK(udev->bus); 2642186730Salfred 2643186730Salfred TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { 2644186730Salfred 2645187173Sthompsa if (xfer->xroot->udev == udev) { 2646186730Salfred 2647193644Sthompsa methods = xfer->endpoint->methods; 2648186730Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 2649186730Salfred 2650186730Salfred if (methods == &ohci_device_bulk_methods) { 2651186730Salfred OHCI_REMOVE_QH(ed, sc->sc_bulk_p_last); 2652186730Salfred } 2653186730Salfred if (methods == &ohci_device_ctrl_methods) { 2654186730Salfred OHCI_REMOVE_QH(ed, sc->sc_ctrl_p_last); 2655186730Salfred } 2656186730Salfred if (methods == &ohci_device_intr_methods) { 2657186730Salfred OHCI_REMOVE_QH(ed, sc->sc_intr_p_last[xfer->qh_pos]); 2658186730Salfred } 2659186730Salfred } 2660186730Salfred } 2661186730Salfred 2662186730Salfred USB_BUS_UNLOCK(udev->bus); 2663186730Salfred 2664186730Salfred return; 2665186730Salfred} 2666186730Salfred 2667186730Salfredstatic void 2668229096Shselaskyohci_set_hw_power_sleep(struct usb_bus *bus, uint32_t state) 2669229096Shselasky{ 2670229096Shselasky struct ohci_softc *sc = OHCI_BUS2SC(bus); 2671229096Shselasky 2672229096Shselasky switch (state) { 2673229096Shselasky case USB_HW_POWER_SUSPEND: 2674229096Shselasky case USB_HW_POWER_SHUTDOWN: 2675229096Shselasky ohci_suspend(sc); 2676229096Shselasky break; 2677229096Shselasky case USB_HW_POWER_RESUME: 2678229096Shselasky ohci_resume(sc); 2679229096Shselasky break; 2680229096Shselasky default: 2681229096Shselasky break; 2682229096Shselasky } 2683229096Shselasky} 2684229096Shselasky 2685229096Shselaskystatic void 2686192984Sthompsaohci_set_hw_power(struct usb_bus *bus) 2687186730Salfred{ 2688186730Salfred struct ohci_softc *sc = OHCI_BUS2SC(bus); 2689186730Salfred uint32_t temp; 2690186730Salfred uint32_t flags; 2691186730Salfred 2692186730Salfred DPRINTF("\n"); 2693186730Salfred 2694186730Salfred USB_BUS_LOCK(bus); 2695186730Salfred 2696186730Salfred flags = bus->hw_power_state; 2697186730Salfred 2698186730Salfred temp = OREAD4(sc, OHCI_CONTROL); 2699186730Salfred temp &= ~(OHCI_PLE | OHCI_IE | OHCI_CLE | OHCI_BLE); 2700186730Salfred 2701186730Salfred if (flags & USB_HW_POWER_CONTROL) 2702186730Salfred temp |= OHCI_CLE; 2703186730Salfred 2704186730Salfred if (flags & USB_HW_POWER_BULK) 2705186730Salfred temp |= OHCI_BLE; 2706186730Salfred 2707186730Salfred if (flags & USB_HW_POWER_INTERRUPT) 2708186730Salfred temp |= OHCI_PLE; 2709186730Salfred 2710186730Salfred if (flags & USB_HW_POWER_ISOC) 2711186730Salfred temp |= OHCI_IE | OHCI_PLE; 2712186730Salfred 2713186730Salfred OWRITE4(sc, OHCI_CONTROL, temp); 2714186730Salfred 2715186730Salfred USB_BUS_UNLOCK(bus); 2716186730Salfred 2717186730Salfred return; 2718186730Salfred} 2719186730Salfred 2720192984Sthompsastruct usb_bus_methods ohci_bus_methods = 2721184610Salfred{ 2722193644Sthompsa .endpoint_init = ohci_ep_init, 2723184610Salfred .xfer_setup = ohci_xfer_setup, 2724184610Salfred .xfer_unsetup = ohci_xfer_unsetup, 2725184610Salfred .get_dma_delay = ohci_get_dma_delay, 2726186730Salfred .device_resume = ohci_device_resume, 2727186730Salfred .device_suspend = ohci_device_suspend, 2728186730Salfred .set_hw_power = ohci_set_hw_power, 2729229096Shselasky .set_hw_power_sleep = ohci_set_hw_power_sleep, 2730190735Sthompsa .roothub_exec = ohci_roothub_exec, 2731195960Salfred .xfer_poll = ohci_do_poll, 2732184610Salfred}; 2733