ohci.c revision 192502
1184610Salfred/*- 2184610Salfred * Copyright (c) 2008 Hans Petter Selasky. All rights reserved. 3184610Salfred * Copyright (c) 1998 The NetBSD Foundation, Inc. All rights reserved. 4184610Salfred * Copyright (c) 1998 Lennart Augustsson. All rights reserved. 5184610Salfred * 6184610Salfred * Redistribution and use in source and binary forms, with or without 7184610Salfred * modification, are permitted provided that the following conditions 8184610Salfred * are met: 9184610Salfred * 1. Redistributions of source code must retain the above copyright 10184610Salfred * notice, this list of conditions and the following disclaimer. 11184610Salfred * 2. Redistributions in binary form must reproduce the above copyright 12184610Salfred * notice, this list of conditions and the following disclaimer in the 13184610Salfred * documentation and/or other materials provided with the distribution. 14184610Salfred * 15184610Salfred * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16184610Salfred * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17184610Salfred * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18184610Salfred * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19184610Salfred * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20184610Salfred * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21184610Salfred * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22184610Salfred * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23184610Salfred * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24184610Salfred * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25184610Salfred * SUCH DAMAGE. 26184610Salfred */ 27184610Salfred 28184610Salfred#include <sys/cdefs.h> 29184610Salfred__FBSDID("$FreeBSD: head/sys/dev/usb/controller/ohci.c 192502 2009-05-21 01:48:42Z thompsa $"); 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 38188942Sthompsa#include <dev/usb/usb.h> 39188942Sthompsa#include <dev/usb/usb_mfunc.h> 40188942Sthompsa#include <dev/usb/usb_error.h> 41184610Salfred 42184610Salfred#define USB_DEBUG_VAR ohcidebug 43184610Salfred 44188942Sthompsa#include <dev/usb/usb_core.h> 45188942Sthompsa#include <dev/usb/usb_debug.h> 46188942Sthompsa#include <dev/usb/usb_busdma.h> 47188942Sthompsa#include <dev/usb/usb_process.h> 48188942Sthompsa#include <dev/usb/usb_transfer.h> 49188942Sthompsa#include <dev/usb/usb_device.h> 50188942Sthompsa#include <dev/usb/usb_hub.h> 51188942Sthompsa#include <dev/usb/usb_util.h> 52184610Salfred 53188942Sthompsa#include <dev/usb/usb_controller.h> 54188942Sthompsa#include <dev/usb/usb_bus.h> 55188942Sthompsa#include <dev/usb/controller/ohci.h> 56184610Salfred 57190181Sthompsa#define OHCI_BUS2SC(bus) \ 58190181Sthompsa ((ohci_softc_t *)(((uint8_t *)(bus)) - \ 59190181Sthompsa ((uint8_t *)&(((ohci_softc_t *)0)->sc_bus)))) 60184610Salfred 61184610Salfred#if USB_DEBUG 62184610Salfredstatic int ohcidebug = 0; 63184610Salfred 64192502SthompsaSYSCTL_NODE(_hw_usb, OID_AUTO, ohci, CTLFLAG_RW, 0, "USB ohci"); 65192502SthompsaSYSCTL_INT(_hw_usb_ohci, OID_AUTO, debug, CTLFLAG_RW, 66184610Salfred &ohcidebug, 0, "ohci debug level"); 67184610Salfredstatic void ohci_dumpregs(ohci_softc_t *); 68184610Salfredstatic void ohci_dump_tds(ohci_td_t *); 69184610Salfredstatic uint8_t ohci_dump_td(ohci_td_t *); 70184610Salfredstatic void ohci_dump_ed(ohci_ed_t *); 71184610Salfredstatic uint8_t ohci_dump_itd(ohci_itd_t *); 72184610Salfredstatic void ohci_dump_itds(ohci_itd_t *); 73184610Salfred 74184610Salfred#endif 75184610Salfred 76184610Salfred#define OBARR(sc) bus_space_barrier((sc)->sc_io_tag, (sc)->sc_io_hdl, 0, (sc)->sc_io_size, \ 77184610Salfred BUS_SPACE_BARRIER_READ|BUS_SPACE_BARRIER_WRITE) 78184610Salfred#define OWRITE1(sc, r, x) \ 79184610Salfred do { OBARR(sc); bus_space_write_1((sc)->sc_io_tag, (sc)->sc_io_hdl, (r), (x)); } while (0) 80184610Salfred#define OWRITE2(sc, r, x) \ 81184610Salfred do { OBARR(sc); bus_space_write_2((sc)->sc_io_tag, (sc)->sc_io_hdl, (r), (x)); } while (0) 82184610Salfred#define OWRITE4(sc, r, x) \ 83184610Salfred do { OBARR(sc); bus_space_write_4((sc)->sc_io_tag, (sc)->sc_io_hdl, (r), (x)); } while (0) 84184610Salfred#define OREAD1(sc, r) (OBARR(sc), bus_space_read_1((sc)->sc_io_tag, (sc)->sc_io_hdl, (r))) 85184610Salfred#define OREAD2(sc, r) (OBARR(sc), bus_space_read_2((sc)->sc_io_tag, (sc)->sc_io_hdl, (r))) 86184610Salfred#define OREAD4(sc, r) (OBARR(sc), bus_space_read_4((sc)->sc_io_tag, (sc)->sc_io_hdl, (r))) 87184610Salfred 88184610Salfred#define OHCI_INTR_ENDPT 1 89184610Salfred 90184610Salfredextern struct usb2_bus_methods ohci_bus_methods; 91184610Salfredextern struct usb2_pipe_methods ohci_device_bulk_methods; 92184610Salfredextern struct usb2_pipe_methods ohci_device_ctrl_methods; 93184610Salfredextern struct usb2_pipe_methods ohci_device_intr_methods; 94184610Salfredextern struct usb2_pipe_methods ohci_device_isoc_methods; 95184610Salfred 96184610Salfredstatic void ohci_do_poll(struct usb2_bus *bus); 97184610Salfredstatic void ohci_device_done(struct usb2_xfer *xfer, usb2_error_t error); 98184610Salfredstatic void ohci_timeout(void *arg); 99184610Salfredstatic uint8_t ohci_check_transfer(struct usb2_xfer *xfer); 100190735Sthompsastatic void ohci_root_intr(ohci_softc_t *sc); 101184610Salfred 102184610Salfredstruct ohci_std_temp { 103184610Salfred struct usb2_page_cache *pc; 104184610Salfred ohci_td_t *td; 105184610Salfred ohci_td_t *td_next; 106184610Salfred uint32_t average; 107184610Salfred uint32_t td_flags; 108184610Salfred uint32_t len; 109184610Salfred uint16_t max_frame_size; 110184610Salfred uint8_t shortpkt; 111184610Salfred uint8_t setup_alt_next; 112190183Sthompsa uint8_t last_frame; 113184610Salfred}; 114184610Salfred 115184610Salfredstatic struct ohci_hcca * 116184610Salfredohci_get_hcca(ohci_softc_t *sc) 117184610Salfred{ 118184610Salfred usb2_pc_cpu_invalidate(&sc->sc_hw.hcca_pc); 119184610Salfred return (sc->sc_hcca_p); 120184610Salfred} 121184610Salfred 122184610Salfredvoid 123184610Salfredohci_iterate_hw_softc(struct usb2_bus *bus, usb2_bus_mem_sub_cb_t *cb) 124184610Salfred{ 125184610Salfred struct ohci_softc *sc = OHCI_BUS2SC(bus); 126184610Salfred uint32_t i; 127184610Salfred 128184610Salfred cb(bus, &sc->sc_hw.hcca_pc, &sc->sc_hw.hcca_pg, 129184610Salfred sizeof(ohci_hcca_t), OHCI_HCCA_ALIGN); 130184610Salfred 131184610Salfred cb(bus, &sc->sc_hw.ctrl_start_pc, &sc->sc_hw.ctrl_start_pg, 132184610Salfred sizeof(ohci_ed_t), OHCI_ED_ALIGN); 133184610Salfred 134184610Salfred cb(bus, &sc->sc_hw.bulk_start_pc, &sc->sc_hw.bulk_start_pg, 135184610Salfred sizeof(ohci_ed_t), OHCI_ED_ALIGN); 136184610Salfred 137184610Salfred cb(bus, &sc->sc_hw.isoc_start_pc, &sc->sc_hw.isoc_start_pg, 138184610Salfred sizeof(ohci_ed_t), OHCI_ED_ALIGN); 139184610Salfred 140184610Salfred for (i = 0; i != OHCI_NO_EDS; i++) { 141184610Salfred cb(bus, sc->sc_hw.intr_start_pc + i, sc->sc_hw.intr_start_pg + i, 142184610Salfred sizeof(ohci_ed_t), OHCI_ED_ALIGN); 143184610Salfred } 144184610Salfred} 145184610Salfred 146184610Salfredstatic usb2_error_t 147184610Salfredohci_controller_init(ohci_softc_t *sc) 148184610Salfred{ 149184610Salfred struct usb2_page_search buf_res; 150184610Salfred uint32_t i; 151184610Salfred uint32_t ctl; 152184610Salfred uint32_t ival; 153184610Salfred uint32_t hcr; 154184610Salfred uint32_t fm; 155184610Salfred uint32_t per; 156184610Salfred uint32_t desca; 157184610Salfred 158184610Salfred /* Determine in what context we are running. */ 159184610Salfred ctl = OREAD4(sc, OHCI_CONTROL); 160184610Salfred if (ctl & OHCI_IR) { 161184610Salfred /* SMM active, request change */ 162184610Salfred DPRINTF("SMM active, request owner change\n"); 163184610Salfred OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_OCR); 164184610Salfred for (i = 0; (i < 100) && (ctl & OHCI_IR); i++) { 165188409Sthompsa usb2_pause_mtx(NULL, hz / 1000); 166184610Salfred ctl = OREAD4(sc, OHCI_CONTROL); 167184610Salfred } 168184610Salfred if (ctl & OHCI_IR) { 169184610Salfred device_printf(sc->sc_bus.bdev, 170184610Salfred "SMM does not respond, resetting\n"); 171184610Salfred OWRITE4(sc, OHCI_CONTROL, OHCI_HCFS_RESET); 172184610Salfred goto reset; 173184610Salfred } 174184610Salfred } else { 175184610Salfred DPRINTF("cold started\n"); 176184610Salfredreset: 177184610Salfred /* controller was cold started */ 178188409Sthompsa usb2_pause_mtx(NULL, 179188409Sthompsa USB_MS_TO_TICKS(USB_BUS_RESET_DELAY)); 180184610Salfred } 181184610Salfred 182184610Salfred /* 183184610Salfred * This reset should not be necessary according to the OHCI spec, but 184184610Salfred * without it some controllers do not start. 185184610Salfred */ 186184610Salfred DPRINTF("%s: resetting\n", device_get_nameunit(sc->sc_bus.bdev)); 187184610Salfred OWRITE4(sc, OHCI_CONTROL, OHCI_HCFS_RESET); 188184610Salfred 189188409Sthompsa usb2_pause_mtx(NULL, 190188409Sthompsa USB_MS_TO_TICKS(USB_BUS_RESET_DELAY)); 191184610Salfred 192184610Salfred /* we now own the host controller and the bus has been reset */ 193184610Salfred ival = OHCI_GET_IVAL(OREAD4(sc, OHCI_FM_INTERVAL)); 194184610Salfred 195184610Salfred OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_HCR); /* Reset HC */ 196184610Salfred /* nominal time for a reset is 10 us */ 197184610Salfred for (i = 0; i < 10; i++) { 198184610Salfred DELAY(10); 199184610Salfred hcr = OREAD4(sc, OHCI_COMMAND_STATUS) & OHCI_HCR; 200184610Salfred if (!hcr) { 201184610Salfred break; 202184610Salfred } 203184610Salfred } 204184610Salfred if (hcr) { 205184610Salfred device_printf(sc->sc_bus.bdev, "reset timeout\n"); 206184610Salfred return (USB_ERR_IOERROR); 207184610Salfred } 208184610Salfred#if USB_DEBUG 209184610Salfred if (ohcidebug > 15) { 210184610Salfred ohci_dumpregs(sc); 211184610Salfred } 212184610Salfred#endif 213184610Salfred 214184610Salfred /* The controller is now in SUSPEND state, we have 2ms to finish. */ 215184610Salfred 216184610Salfred /* set up HC registers */ 217184610Salfred usb2_get_page(&sc->sc_hw.hcca_pc, 0, &buf_res); 218184610Salfred OWRITE4(sc, OHCI_HCCA, buf_res.physaddr); 219184610Salfred 220184610Salfred usb2_get_page(&sc->sc_hw.ctrl_start_pc, 0, &buf_res); 221184610Salfred OWRITE4(sc, OHCI_CONTROL_HEAD_ED, buf_res.physaddr); 222184610Salfred 223184610Salfred usb2_get_page(&sc->sc_hw.bulk_start_pc, 0, &buf_res); 224184610Salfred OWRITE4(sc, OHCI_BULK_HEAD_ED, buf_res.physaddr); 225184610Salfred 226184610Salfred /* disable all interrupts and then switch on all desired interrupts */ 227184610Salfred OWRITE4(sc, OHCI_INTERRUPT_DISABLE, OHCI_ALL_INTRS); 228184610Salfred OWRITE4(sc, OHCI_INTERRUPT_ENABLE, sc->sc_eintrs | OHCI_MIE); 229184610Salfred /* switch on desired functional features */ 230184610Salfred ctl = OREAD4(sc, OHCI_CONTROL); 231184610Salfred ctl &= ~(OHCI_CBSR_MASK | OHCI_LES | OHCI_HCFS_MASK | OHCI_IR); 232184610Salfred ctl |= OHCI_PLE | OHCI_IE | OHCI_CLE | OHCI_BLE | 233184610Salfred OHCI_RATIO_1_4 | OHCI_HCFS_OPERATIONAL; 234184610Salfred /* And finally start it! */ 235184610Salfred OWRITE4(sc, OHCI_CONTROL, ctl); 236184610Salfred 237184610Salfred /* 238184610Salfred * The controller is now OPERATIONAL. Set a some final 239184610Salfred * registers that should be set earlier, but that the 240184610Salfred * controller ignores when in the SUSPEND state. 241184610Salfred */ 242184610Salfred fm = (OREAD4(sc, OHCI_FM_INTERVAL) & OHCI_FIT) ^ OHCI_FIT; 243184610Salfred fm |= OHCI_FSMPS(ival) | ival; 244184610Salfred OWRITE4(sc, OHCI_FM_INTERVAL, fm); 245184610Salfred per = OHCI_PERIODIC(ival); /* 90% periodic */ 246184610Salfred OWRITE4(sc, OHCI_PERIODIC_START, per); 247184610Salfred 248184610Salfred /* Fiddle the No OverCurrent Protection bit to avoid chip bug. */ 249184610Salfred desca = OREAD4(sc, OHCI_RH_DESCRIPTOR_A); 250184610Salfred OWRITE4(sc, OHCI_RH_DESCRIPTOR_A, desca | OHCI_NOCP); 251184610Salfred OWRITE4(sc, OHCI_RH_STATUS, OHCI_LPSC); /* Enable port power */ 252188409Sthompsa usb2_pause_mtx(NULL, 253188409Sthompsa USB_MS_TO_TICKS(OHCI_ENABLE_POWER_DELAY)); 254184610Salfred OWRITE4(sc, OHCI_RH_DESCRIPTOR_A, desca); 255184610Salfred 256184610Salfred /* 257184610Salfred * The AMD756 requires a delay before re-reading the register, 258184610Salfred * otherwise it will occasionally report 0 ports. 259184610Salfred */ 260184610Salfred sc->sc_noport = 0; 261184610Salfred for (i = 0; (i < 10) && (sc->sc_noport == 0); i++) { 262188409Sthompsa usb2_pause_mtx(NULL, 263188409Sthompsa USB_MS_TO_TICKS(OHCI_READ_DESC_DELAY)); 264184610Salfred sc->sc_noport = OHCI_GET_NDP(OREAD4(sc, OHCI_RH_DESCRIPTOR_A)); 265184610Salfred } 266184610Salfred 267184610Salfred#if USB_DEBUG 268184610Salfred if (ohcidebug > 5) { 269184610Salfred ohci_dumpregs(sc); 270184610Salfred } 271184610Salfred#endif 272184610Salfred return (USB_ERR_NORMAL_COMPLETION); 273184610Salfred} 274184610Salfred 275184610Salfredstatic struct ohci_ed * 276184610Salfredohci_init_ed(struct usb2_page_cache *pc) 277184610Salfred{ 278184610Salfred struct usb2_page_search buf_res; 279184610Salfred struct ohci_ed *ed; 280184610Salfred 281184610Salfred usb2_get_page(pc, 0, &buf_res); 282184610Salfred 283184610Salfred ed = buf_res.buffer; 284184610Salfred 285184610Salfred ed->ed_self = htole32(buf_res.physaddr); 286184610Salfred ed->ed_flags = htole32(OHCI_ED_SKIP); 287184610Salfred ed->page_cache = pc; 288184610Salfred 289184610Salfred return (ed); 290184610Salfred} 291184610Salfred 292184610Salfredusb2_error_t 293184610Salfredohci_init(ohci_softc_t *sc) 294184610Salfred{ 295184610Salfred struct usb2_page_search buf_res; 296184610Salfred uint16_t i; 297184610Salfred uint16_t bit; 298184610Salfred uint16_t x; 299184610Salfred uint16_t y; 300184610Salfred 301184610Salfred DPRINTF("start\n"); 302184610Salfred 303184610Salfred sc->sc_eintrs = OHCI_NORMAL_INTRS; 304184610Salfred 305184610Salfred /* 306184610Salfred * Setup all ED's 307184610Salfred */ 308184610Salfred 309184610Salfred sc->sc_ctrl_p_last = 310184610Salfred ohci_init_ed(&sc->sc_hw.ctrl_start_pc); 311184610Salfred 312184610Salfred sc->sc_bulk_p_last = 313184610Salfred ohci_init_ed(&sc->sc_hw.bulk_start_pc); 314184610Salfred 315184610Salfred sc->sc_isoc_p_last = 316184610Salfred ohci_init_ed(&sc->sc_hw.isoc_start_pc); 317184610Salfred 318184610Salfred for (i = 0; i != OHCI_NO_EDS; i++) { 319184610Salfred sc->sc_intr_p_last[i] = 320184610Salfred ohci_init_ed(sc->sc_hw.intr_start_pc + i); 321184610Salfred } 322184610Salfred 323184610Salfred /* 324184610Salfred * the QHs are arranged to give poll intervals that are 325184610Salfred * powers of 2 times 1ms 326184610Salfred */ 327184610Salfred bit = OHCI_NO_EDS / 2; 328184610Salfred while (bit) { 329184610Salfred x = bit; 330184610Salfred while (x & bit) { 331184610Salfred ohci_ed_t *ed_x; 332184610Salfred ohci_ed_t *ed_y; 333184610Salfred 334184610Salfred y = (x ^ bit) | (bit / 2); 335184610Salfred 336184610Salfred /* 337184610Salfred * the next QH has half the poll interval 338184610Salfred */ 339184610Salfred ed_x = sc->sc_intr_p_last[x]; 340184610Salfred ed_y = sc->sc_intr_p_last[y]; 341184610Salfred 342184610Salfred ed_x->next = NULL; 343184610Salfred ed_x->ed_next = ed_y->ed_self; 344184610Salfred 345184610Salfred x++; 346184610Salfred } 347184610Salfred bit >>= 1; 348184610Salfred } 349184610Salfred 350184610Salfred if (1) { 351184610Salfred 352184610Salfred ohci_ed_t *ed_int; 353184610Salfred ohci_ed_t *ed_isc; 354184610Salfred 355184610Salfred ed_int = sc->sc_intr_p_last[0]; 356184610Salfred ed_isc = sc->sc_isoc_p_last; 357184610Salfred 358184610Salfred /* the last (1ms) QH */ 359184610Salfred ed_int->next = ed_isc; 360184610Salfred ed_int->ed_next = ed_isc->ed_self; 361184610Salfred } 362184610Salfred usb2_get_page(&sc->sc_hw.hcca_pc, 0, &buf_res); 363184610Salfred 364184610Salfred sc->sc_hcca_p = buf_res.buffer; 365184610Salfred 366184610Salfred /* 367184610Salfred * Fill HCCA interrupt table. The bit reversal is to get 368184610Salfred * the tree set up properly to spread the interrupts. 369184610Salfred */ 370184610Salfred for (i = 0; i != OHCI_NO_INTRS; i++) { 371184610Salfred sc->sc_hcca_p->hcca_interrupt_table[i] = 372184610Salfred sc->sc_intr_p_last[i | (OHCI_NO_EDS / 2)]->ed_self; 373184610Salfred } 374184610Salfred /* flush all cache into memory */ 375184610Salfred 376184610Salfred usb2_bus_mem_flush_all(&sc->sc_bus, &ohci_iterate_hw_softc); 377184610Salfred 378184610Salfred /* set up the bus struct */ 379184610Salfred sc->sc_bus.methods = &ohci_bus_methods; 380184610Salfred 381186454Sthompsa usb2_callout_init_mtx(&sc->sc_tmo_rhsc, &sc->sc_bus.bus_mtx, 0); 382184610Salfred 383184610Salfred#if USB_DEBUG 384184610Salfred if (ohcidebug > 15) { 385184610Salfred for (i = 0; i != OHCI_NO_EDS; i++) { 386184610Salfred printf("ed#%d ", i); 387184610Salfred ohci_dump_ed(sc->sc_intr_p_last[i]); 388184610Salfred } 389184610Salfred printf("iso "); 390184610Salfred ohci_dump_ed(sc->sc_isoc_p_last); 391184610Salfred } 392184610Salfred#endif 393184610Salfred 394184610Salfred sc->sc_bus.usbrev = USB_REV_1_0; 395184610Salfred 396184610Salfred if (ohci_controller_init(sc)) { 397184610Salfred return (USB_ERR_INVAL); 398184610Salfred } else { 399184610Salfred /* catch any lost interrupts */ 400184610Salfred ohci_do_poll(&sc->sc_bus); 401184610Salfred return (USB_ERR_NORMAL_COMPLETION); 402184610Salfred } 403184610Salfred} 404184610Salfred 405184610Salfred/* 406184610Salfred * shut down the controller when the system is going down 407184610Salfred */ 408184610Salfredvoid 409184610Salfredohci_detach(struct ohci_softc *sc) 410184610Salfred{ 411184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 412184610Salfred 413184610Salfred usb2_callout_stop(&sc->sc_tmo_rhsc); 414184610Salfred 415184610Salfred OWRITE4(sc, OHCI_INTERRUPT_DISABLE, OHCI_ALL_INTRS); 416184610Salfred OWRITE4(sc, OHCI_CONTROL, OHCI_HCFS_RESET); 417184610Salfred 418188409Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 419188409Sthompsa 420184610Salfred /* XXX let stray task complete */ 421188409Sthompsa usb2_pause_mtx(NULL, hz / 20); 422184610Salfred 423184610Salfred usb2_callout_drain(&sc->sc_tmo_rhsc); 424184610Salfred} 425184610Salfred 426184610Salfred/* NOTE: suspend/resume is called from 427184610Salfred * interrupt context and cannot sleep! 428184610Salfred */ 429184610Salfredvoid 430184610Salfredohci_suspend(ohci_softc_t *sc) 431184610Salfred{ 432184610Salfred uint32_t ctl; 433184610Salfred 434184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 435184610Salfred 436184610Salfred#if USB_DEBUG 437184610Salfred DPRINTF("\n"); 438184610Salfred if (ohcidebug > 2) { 439184610Salfred ohci_dumpregs(sc); 440184610Salfred } 441184610Salfred#endif 442184610Salfred 443184610Salfred ctl = OREAD4(sc, OHCI_CONTROL) & ~OHCI_HCFS_MASK; 444184610Salfred if (sc->sc_control == 0) { 445184610Salfred /* 446184610Salfred * Preserve register values, in case that APM BIOS 447184610Salfred * does not recover them. 448184610Salfred */ 449184610Salfred sc->sc_control = ctl; 450184610Salfred sc->sc_intre = OREAD4(sc, OHCI_INTERRUPT_ENABLE); 451184610Salfred } 452184610Salfred ctl |= OHCI_HCFS_SUSPEND; 453184610Salfred OWRITE4(sc, OHCI_CONTROL, ctl); 454184610Salfred 455184824Sthompsa usb2_pause_mtx(&sc->sc_bus.bus_mtx, 456188409Sthompsa USB_MS_TO_TICKS(USB_RESUME_WAIT)); 457184610Salfred 458184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 459184610Salfred} 460184610Salfred 461184610Salfredvoid 462184610Salfredohci_resume(ohci_softc_t *sc) 463184610Salfred{ 464184610Salfred uint32_t ctl; 465184610Salfred 466184610Salfred#if USB_DEBUG 467184610Salfred DPRINTF("\n"); 468184610Salfred if (ohcidebug > 2) { 469184610Salfred ohci_dumpregs(sc); 470184610Salfred } 471184610Salfred#endif 472184610Salfred /* some broken BIOSes never initialize the Controller chip */ 473184610Salfred ohci_controller_init(sc); 474184610Salfred 475188273Sthompsa USB_BUS_LOCK(&sc->sc_bus); 476184610Salfred if (sc->sc_intre) { 477184610Salfred OWRITE4(sc, OHCI_INTERRUPT_ENABLE, 478184610Salfred sc->sc_intre & (OHCI_ALL_INTRS | OHCI_MIE)); 479184610Salfred } 480184610Salfred if (sc->sc_control) 481184610Salfred ctl = sc->sc_control; 482184610Salfred else 483184610Salfred ctl = OREAD4(sc, OHCI_CONTROL); 484184610Salfred ctl |= OHCI_HCFS_RESUME; 485184610Salfred OWRITE4(sc, OHCI_CONTROL, ctl); 486188409Sthompsa usb2_pause_mtx(&sc->sc_bus.bus_mtx, 487188409Sthompsa USB_MS_TO_TICKS(USB_RESUME_DELAY)); 488184610Salfred ctl = (ctl & ~OHCI_HCFS_MASK) | OHCI_HCFS_OPERATIONAL; 489184610Salfred OWRITE4(sc, OHCI_CONTROL, ctl); 490188409Sthompsa usb2_pause_mtx(&sc->sc_bus.bus_mtx, 491188409Sthompsa USB_MS_TO_TICKS(USB_RESUME_RECOVERY)); 492184610Salfred sc->sc_control = sc->sc_intre = 0; 493184610Salfred 494184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 495184610Salfred 496184610Salfred /* catch any lost interrupts */ 497184610Salfred ohci_do_poll(&sc->sc_bus); 498184610Salfred} 499184610Salfred 500184610Salfred#if USB_DEBUG 501184610Salfredstatic void 502184610Salfredohci_dumpregs(ohci_softc_t *sc) 503184610Salfred{ 504184610Salfred struct ohci_hcca *hcca; 505184610Salfred 506184610Salfred DPRINTF("ohci_dumpregs: rev=0x%08x control=0x%08x command=0x%08x\n", 507184610Salfred OREAD4(sc, OHCI_REVISION), 508184610Salfred OREAD4(sc, OHCI_CONTROL), 509184610Salfred OREAD4(sc, OHCI_COMMAND_STATUS)); 510184610Salfred DPRINTF(" intrstat=0x%08x intre=0x%08x intrd=0x%08x\n", 511184610Salfred OREAD4(sc, OHCI_INTERRUPT_STATUS), 512184610Salfred OREAD4(sc, OHCI_INTERRUPT_ENABLE), 513184610Salfred OREAD4(sc, OHCI_INTERRUPT_DISABLE)); 514184610Salfred DPRINTF(" hcca=0x%08x percur=0x%08x ctrlhd=0x%08x\n", 515184610Salfred OREAD4(sc, OHCI_HCCA), 516184610Salfred OREAD4(sc, OHCI_PERIOD_CURRENT_ED), 517184610Salfred OREAD4(sc, OHCI_CONTROL_HEAD_ED)); 518184610Salfred DPRINTF(" ctrlcur=0x%08x bulkhd=0x%08x bulkcur=0x%08x\n", 519184610Salfred OREAD4(sc, OHCI_CONTROL_CURRENT_ED), 520184610Salfred OREAD4(sc, OHCI_BULK_HEAD_ED), 521184610Salfred OREAD4(sc, OHCI_BULK_CURRENT_ED)); 522184610Salfred DPRINTF(" done=0x%08x fmival=0x%08x fmrem=0x%08x\n", 523184610Salfred OREAD4(sc, OHCI_DONE_HEAD), 524184610Salfred OREAD4(sc, OHCI_FM_INTERVAL), 525184610Salfred OREAD4(sc, OHCI_FM_REMAINING)); 526184610Salfred DPRINTF(" fmnum=0x%08x perst=0x%08x lsthrs=0x%08x\n", 527184610Salfred OREAD4(sc, OHCI_FM_NUMBER), 528184610Salfred OREAD4(sc, OHCI_PERIODIC_START), 529184610Salfred OREAD4(sc, OHCI_LS_THRESHOLD)); 530184610Salfred DPRINTF(" desca=0x%08x descb=0x%08x stat=0x%08x\n", 531184610Salfred OREAD4(sc, OHCI_RH_DESCRIPTOR_A), 532184610Salfred OREAD4(sc, OHCI_RH_DESCRIPTOR_B), 533184610Salfred OREAD4(sc, OHCI_RH_STATUS)); 534184610Salfred DPRINTF(" port1=0x%08x port2=0x%08x\n", 535184610Salfred OREAD4(sc, OHCI_RH_PORT_STATUS(1)), 536184610Salfred OREAD4(sc, OHCI_RH_PORT_STATUS(2))); 537184610Salfred 538184610Salfred hcca = ohci_get_hcca(sc); 539184610Salfred 540184610Salfred DPRINTF(" HCCA: frame_number=0x%04x done_head=0x%08x\n", 541184610Salfred le32toh(hcca->hcca_frame_number), 542184610Salfred le32toh(hcca->hcca_done_head)); 543184610Salfred} 544184610Salfredstatic void 545184610Salfredohci_dump_tds(ohci_td_t *std) 546184610Salfred{ 547184610Salfred for (; std; std = std->obj_next) { 548184610Salfred if (ohci_dump_td(std)) { 549184610Salfred break; 550184610Salfred } 551184610Salfred } 552184610Salfred} 553184610Salfred 554184610Salfredstatic uint8_t 555184610Salfredohci_dump_td(ohci_td_t *std) 556184610Salfred{ 557184610Salfred uint32_t td_flags; 558184610Salfred uint8_t temp; 559184610Salfred 560184610Salfred usb2_pc_cpu_invalidate(std->page_cache); 561184610Salfred 562184610Salfred td_flags = le32toh(std->td_flags); 563184610Salfred temp = (std->td_next == 0); 564184610Salfred 565184610Salfred printf("TD(%p) at 0x%08x: %s%s%s%s%s delay=%d ec=%d " 566184610Salfred "cc=%d\ncbp=0x%08x next=0x%08x be=0x%08x\n", 567184610Salfred std, le32toh(std->td_self), 568184610Salfred (td_flags & OHCI_TD_R) ? "-R" : "", 569184610Salfred (td_flags & OHCI_TD_OUT) ? "-OUT" : "", 570184610Salfred (td_flags & OHCI_TD_IN) ? "-IN" : "", 571184610Salfred ((td_flags & OHCI_TD_TOGGLE_MASK) == OHCI_TD_TOGGLE_1) ? "-TOG1" : "", 572184610Salfred ((td_flags & OHCI_TD_TOGGLE_MASK) == OHCI_TD_TOGGLE_0) ? "-TOG0" : "", 573184610Salfred OHCI_TD_GET_DI(td_flags), 574184610Salfred OHCI_TD_GET_EC(td_flags), 575184610Salfred OHCI_TD_GET_CC(td_flags), 576184610Salfred le32toh(std->td_cbp), 577184610Salfred le32toh(std->td_next), 578184610Salfred le32toh(std->td_be)); 579184610Salfred 580184610Salfred return (temp); 581184610Salfred} 582184610Salfred 583184610Salfredstatic uint8_t 584184610Salfredohci_dump_itd(ohci_itd_t *sitd) 585184610Salfred{ 586184610Salfred uint32_t itd_flags; 587184610Salfred uint16_t i; 588184610Salfred uint8_t temp; 589184610Salfred 590184610Salfred usb2_pc_cpu_invalidate(sitd->page_cache); 591184610Salfred 592184610Salfred itd_flags = le32toh(sitd->itd_flags); 593184610Salfred temp = (sitd->itd_next == 0); 594184610Salfred 595184610Salfred printf("ITD(%p) at 0x%08x: sf=%d di=%d fc=%d cc=%d\n" 596184610Salfred "bp0=0x%08x next=0x%08x be=0x%08x\n", 597184610Salfred sitd, le32toh(sitd->itd_self), 598184610Salfred OHCI_ITD_GET_SF(itd_flags), 599184610Salfred OHCI_ITD_GET_DI(itd_flags), 600184610Salfred OHCI_ITD_GET_FC(itd_flags), 601184610Salfred OHCI_ITD_GET_CC(itd_flags), 602184610Salfred le32toh(sitd->itd_bp0), 603184610Salfred le32toh(sitd->itd_next), 604184610Salfred le32toh(sitd->itd_be)); 605184610Salfred for (i = 0; i < OHCI_ITD_NOFFSET; i++) { 606184610Salfred printf("offs[%d]=0x%04x ", i, 607184610Salfred (uint32_t)le16toh(sitd->itd_offset[i])); 608184610Salfred } 609184610Salfred printf("\n"); 610184610Salfred 611184610Salfred return (temp); 612184610Salfred} 613184610Salfred 614184610Salfredstatic void 615184610Salfredohci_dump_itds(ohci_itd_t *sitd) 616184610Salfred{ 617184610Salfred for (; sitd; sitd = sitd->obj_next) { 618184610Salfred if (ohci_dump_itd(sitd)) { 619184610Salfred break; 620184610Salfred } 621184610Salfred } 622184610Salfred} 623184610Salfred 624184610Salfredstatic void 625184610Salfredohci_dump_ed(ohci_ed_t *sed) 626184610Salfred{ 627184610Salfred uint32_t ed_flags; 628184610Salfred uint32_t ed_headp; 629184610Salfred 630184610Salfred usb2_pc_cpu_invalidate(sed->page_cache); 631184610Salfred 632184610Salfred ed_flags = le32toh(sed->ed_flags); 633184610Salfred ed_headp = le32toh(sed->ed_headp); 634184610Salfred 635184610Salfred printf("ED(%p) at 0x%08x: addr=%d endpt=%d maxp=%d flags=%s%s%s%s%s\n" 636184610Salfred "tailp=0x%08x headflags=%s%s headp=0x%08x nexted=0x%08x\n", 637184610Salfred sed, le32toh(sed->ed_self), 638184610Salfred OHCI_ED_GET_FA(ed_flags), 639184610Salfred OHCI_ED_GET_EN(ed_flags), 640184610Salfred OHCI_ED_GET_MAXP(ed_flags), 641184610Salfred (ed_flags & OHCI_ED_DIR_OUT) ? "-OUT" : "", 642184610Salfred (ed_flags & OHCI_ED_DIR_IN) ? "-IN" : "", 643184610Salfred (ed_flags & OHCI_ED_SPEED) ? "-LOWSPEED" : "", 644184610Salfred (ed_flags & OHCI_ED_SKIP) ? "-SKIP" : "", 645184610Salfred (ed_flags & OHCI_ED_FORMAT_ISO) ? "-ISO" : "", 646184610Salfred le32toh(sed->ed_tailp), 647184610Salfred (ed_headp & OHCI_HALTED) ? "-HALTED" : "", 648184610Salfred (ed_headp & OHCI_TOGGLECARRY) ? "-CARRY" : "", 649184610Salfred le32toh(sed->ed_headp), 650184610Salfred le32toh(sed->ed_next)); 651184610Salfred} 652184610Salfred 653184610Salfred#endif 654184610Salfred 655184610Salfredstatic void 656184610Salfredohci_transfer_intr_enqueue(struct usb2_xfer *xfer) 657184610Salfred{ 658184610Salfred /* check for early completion */ 659184610Salfred if (ohci_check_transfer(xfer)) { 660184610Salfred return; 661184610Salfred } 662184610Salfred /* put transfer on interrupt queue */ 663187173Sthompsa usb2_transfer_enqueue(&xfer->xroot->bus->intr_q, xfer); 664184610Salfred 665184610Salfred /* start timeout, if any */ 666184610Salfred if (xfer->timeout != 0) { 667184610Salfred usb2_transfer_timeout_ms(xfer, &ohci_timeout, xfer->timeout); 668184610Salfred } 669184610Salfred} 670184610Salfred 671186730Salfred#define OHCI_APPEND_QH(sed,last) (last) = _ohci_append_qh(sed,last) 672184610Salfredstatic ohci_ed_t * 673186730Salfred_ohci_append_qh(ohci_ed_t *sed, ohci_ed_t *last) 674184610Salfred{ 675184610Salfred DPRINTFN(11, "%p to %p\n", sed, last); 676184610Salfred 677186730Salfred if (sed->prev != NULL) { 678186730Salfred /* should not happen */ 679186730Salfred DPRINTFN(0, "ED already linked!\n"); 680186730Salfred return (last); 681186730Salfred } 682184824Sthompsa /* (sc->sc_bus.bus_mtx) must be locked */ 683184610Salfred 684184610Salfred sed->next = last->next; 685184610Salfred sed->ed_next = last->ed_next; 686184610Salfred sed->ed_tailp = 0; 687184610Salfred 688184610Salfred sed->prev = last; 689184610Salfred 690184610Salfred usb2_pc_cpu_flush(sed->page_cache); 691184610Salfred 692184610Salfred /* 693184610Salfred * the last->next->prev is never followed: sed->next->prev = sed; 694184610Salfred */ 695184610Salfred 696184610Salfred last->next = sed; 697184610Salfred last->ed_next = sed->ed_self; 698184610Salfred 699184610Salfred usb2_pc_cpu_flush(last->page_cache); 700184610Salfred 701184610Salfred return (sed); 702184610Salfred} 703184610Salfred 704184610Salfred#define OHCI_REMOVE_QH(sed,last) (last) = _ohci_remove_qh(sed,last) 705184610Salfredstatic ohci_ed_t * 706184610Salfred_ohci_remove_qh(ohci_ed_t *sed, ohci_ed_t *last) 707184610Salfred{ 708184610Salfred DPRINTFN(11, "%p from %p\n", sed, last); 709184610Salfred 710184824Sthompsa /* (sc->sc_bus.bus_mtx) must be locked */ 711184610Salfred 712184610Salfred /* only remove if not removed from a queue */ 713184610Salfred if (sed->prev) { 714184610Salfred 715184610Salfred sed->prev->next = sed->next; 716184610Salfred sed->prev->ed_next = sed->ed_next; 717184610Salfred 718184610Salfred usb2_pc_cpu_flush(sed->prev->page_cache); 719184610Salfred 720184610Salfred if (sed->next) { 721184610Salfred sed->next->prev = sed->prev; 722184610Salfred usb2_pc_cpu_flush(sed->next->page_cache); 723184610Salfred } 724184610Salfred last = ((last == sed) ? sed->prev : last); 725184610Salfred 726184610Salfred sed->prev = 0; 727184610Salfred 728184610Salfred usb2_pc_cpu_flush(sed->page_cache); 729184610Salfred } 730184610Salfred return (last); 731184610Salfred} 732184610Salfred 733184610Salfredstatic void 734184610Salfredohci_isoc_done(struct usb2_xfer *xfer) 735184610Salfred{ 736184610Salfred uint8_t nframes; 737184610Salfred uint32_t *plen = xfer->frlengths; 738184610Salfred volatile uint16_t *olen; 739184610Salfred uint16_t len = 0; 740184610Salfred ohci_itd_t *td = xfer->td_transfer_first; 741184610Salfred 742184610Salfred while (1) { 743184610Salfred if (td == NULL) { 744184610Salfred panic("%s:%d: out of TD's\n", 745184610Salfred __FUNCTION__, __LINE__); 746184610Salfred } 747184610Salfred#if USB_DEBUG 748184610Salfred if (ohcidebug > 5) { 749184610Salfred DPRINTF("isoc TD\n"); 750184610Salfred ohci_dump_itd(td); 751184610Salfred } 752184610Salfred#endif 753184610Salfred usb2_pc_cpu_invalidate(td->page_cache); 754184610Salfred 755184610Salfred nframes = td->frames; 756184610Salfred olen = &td->itd_offset[0]; 757184610Salfred 758184610Salfred if (nframes > 8) { 759184610Salfred nframes = 8; 760184610Salfred } 761184610Salfred while (nframes--) { 762184610Salfred len = le16toh(*olen); 763184610Salfred 764184610Salfred if ((len >> 12) == OHCI_CC_NOT_ACCESSED) { 765184610Salfred len = 0; 766184610Salfred } else { 767184610Salfred len &= ((1 << 12) - 1); 768184610Salfred } 769184610Salfred 770184610Salfred if (len > *plen) { 771184610Salfred len = 0;/* invalid length */ 772184610Salfred } 773184610Salfred *plen = len; 774184610Salfred plen++; 775184610Salfred olen++; 776184610Salfred } 777184610Salfred 778184610Salfred if (((void *)td) == xfer->td_transfer_last) { 779184610Salfred break; 780184610Salfred } 781184610Salfred td = td->obj_next; 782184610Salfred } 783184610Salfred 784184610Salfred xfer->aframes = xfer->nframes; 785184610Salfred ohci_device_done(xfer, USB_ERR_NORMAL_COMPLETION); 786184610Salfred} 787184610Salfred 788184610Salfred#if USB_DEBUG 789184610Salfredstatic const char *const 790184610Salfred ohci_cc_strs[] = 791184610Salfred{ 792184610Salfred "NO_ERROR", 793184610Salfred "CRC", 794184610Salfred "BIT_STUFFING", 795184610Salfred "DATA_TOGGLE_MISMATCH", 796184610Salfred 797184610Salfred "STALL", 798184610Salfred "DEVICE_NOT_RESPONDING", 799184610Salfred "PID_CHECK_FAILURE", 800184610Salfred "UNEXPECTED_PID", 801184610Salfred 802184610Salfred "DATA_OVERRUN", 803184610Salfred "DATA_UNDERRUN", 804184610Salfred "BUFFER_OVERRUN", 805184610Salfred "BUFFER_UNDERRUN", 806184610Salfred 807184610Salfred "reserved", 808184610Salfred "reserved", 809184610Salfred "NOT_ACCESSED", 810184610Salfred "NOT_ACCESSED" 811184610Salfred}; 812184610Salfred 813184610Salfred#endif 814184610Salfred 815184610Salfredstatic usb2_error_t 816184610Salfredohci_non_isoc_done_sub(struct usb2_xfer *xfer) 817184610Salfred{ 818184610Salfred ohci_td_t *td; 819184610Salfred ohci_td_t *td_alt_next; 820184610Salfred uint32_t temp; 821184610Salfred uint32_t phy_start; 822184610Salfred uint32_t phy_end; 823184610Salfred uint32_t td_flags; 824184610Salfred uint16_t cc; 825184610Salfred 826184610Salfred td = xfer->td_transfer_cache; 827184610Salfred td_alt_next = td->alt_next; 828184610Salfred td_flags = 0; 829184610Salfred 830188409Sthompsa if (xfer->aframes != xfer->nframes) { 831188409Sthompsa xfer->frlengths[xfer->aframes] = 0; 832188409Sthompsa } 833184610Salfred while (1) { 834184610Salfred 835184610Salfred usb2_pc_cpu_invalidate(td->page_cache); 836184610Salfred phy_start = le32toh(td->td_cbp); 837184610Salfred td_flags = le32toh(td->td_flags); 838184610Salfred cc = OHCI_TD_GET_CC(td_flags); 839184610Salfred 840184610Salfred if (phy_start) { 841184610Salfred /* 842184610Salfred * short transfer - compute the number of remaining 843184610Salfred * bytes in the hardware buffer: 844184610Salfred */ 845184610Salfred phy_end = le32toh(td->td_be); 846184610Salfred temp = (OHCI_PAGE(phy_start ^ phy_end) ? 847184610Salfred (OHCI_PAGE_SIZE + 1) : 0x0001); 848184610Salfred temp += OHCI_PAGE_OFFSET(phy_end); 849184610Salfred temp -= OHCI_PAGE_OFFSET(phy_start); 850184610Salfred 851184610Salfred if (temp > td->len) { 852184610Salfred /* guard against corruption */ 853184610Salfred cc = OHCI_CC_STALL; 854184610Salfred } else if (xfer->aframes != xfer->nframes) { 855184610Salfred /* 856188409Sthompsa * Sum up total transfer length 857188409Sthompsa * in "frlengths[]": 858184610Salfred */ 859188409Sthompsa xfer->frlengths[xfer->aframes] += td->len - temp; 860184610Salfred } 861188409Sthompsa } else { 862188409Sthompsa if (xfer->aframes != xfer->nframes) { 863188409Sthompsa /* transfer was complete */ 864188409Sthompsa xfer->frlengths[xfer->aframes] += td->len; 865188409Sthompsa } 866184610Salfred } 867184610Salfred /* Check for last transfer */ 868184610Salfred if (((void *)td) == xfer->td_transfer_last) { 869184610Salfred td = NULL; 870184610Salfred break; 871184610Salfred } 872184610Salfred /* Check transfer status */ 873184610Salfred if (cc) { 874184610Salfred /* the transfer is finished */ 875184610Salfred td = NULL; 876184610Salfred break; 877184610Salfred } 878184610Salfred /* Check for short transfer */ 879184610Salfred if (phy_start) { 880184610Salfred if (xfer->flags_int.short_frames_ok) { 881184610Salfred /* follow alt next */ 882184610Salfred td = td->alt_next; 883184610Salfred } else { 884184610Salfred /* the transfer is finished */ 885184610Salfred td = NULL; 886184610Salfred } 887184610Salfred break; 888184610Salfred } 889184610Salfred td = td->obj_next; 890184610Salfred 891184610Salfred if (td->alt_next != td_alt_next) { 892184610Salfred /* this USB frame is complete */ 893184610Salfred break; 894184610Salfred } 895184610Salfred } 896184610Salfred 897184610Salfred /* update transfer cache */ 898184610Salfred 899184610Salfred xfer->td_transfer_cache = td; 900184610Salfred 901184610Salfred DPRINTFN(16, "error cc=%d (%s)\n", 902184610Salfred cc, ohci_cc_strs[cc]); 903184610Salfred 904184610Salfred return ((cc == 0) ? USB_ERR_NORMAL_COMPLETION : 905184610Salfred (cc == OHCI_CC_STALL) ? USB_ERR_STALLED : USB_ERR_IOERROR); 906184610Salfred} 907184610Salfred 908184610Salfredstatic void 909184610Salfredohci_non_isoc_done(struct usb2_xfer *xfer) 910184610Salfred{ 911184610Salfred usb2_error_t err = 0; 912184610Salfred 913184610Salfred DPRINTFN(13, "xfer=%p pipe=%p transfer done\n", 914184610Salfred xfer, xfer->pipe); 915184610Salfred 916184610Salfred#if USB_DEBUG 917184610Salfred if (ohcidebug > 10) { 918184610Salfred ohci_dump_tds(xfer->td_transfer_first); 919184610Salfred } 920184610Salfred#endif 921184610Salfred 922184610Salfred /* reset scanner */ 923184610Salfred 924184610Salfred xfer->td_transfer_cache = xfer->td_transfer_first; 925184610Salfred 926184610Salfred if (xfer->flags_int.control_xfr) { 927184610Salfred 928184610Salfred if (xfer->flags_int.control_hdr) { 929184610Salfred 930184610Salfred err = ohci_non_isoc_done_sub(xfer); 931184610Salfred } 932184610Salfred xfer->aframes = 1; 933184610Salfred 934184610Salfred if (xfer->td_transfer_cache == NULL) { 935184610Salfred goto done; 936184610Salfred } 937184610Salfred } 938184610Salfred while (xfer->aframes != xfer->nframes) { 939184610Salfred 940184610Salfred err = ohci_non_isoc_done_sub(xfer); 941184610Salfred xfer->aframes++; 942184610Salfred 943184610Salfred if (xfer->td_transfer_cache == NULL) { 944184610Salfred goto done; 945184610Salfred } 946184610Salfred } 947184610Salfred 948184610Salfred if (xfer->flags_int.control_xfr && 949184610Salfred !xfer->flags_int.control_act) { 950184610Salfred 951184610Salfred err = ohci_non_isoc_done_sub(xfer); 952184610Salfred } 953184610Salfreddone: 954184610Salfred ohci_device_done(xfer, err); 955184610Salfred} 956184610Salfred 957184610Salfred/*------------------------------------------------------------------------* 958184610Salfred * ohci_check_transfer_sub 959184610Salfred *------------------------------------------------------------------------*/ 960184610Salfredstatic void 961184610Salfredohci_check_transfer_sub(struct usb2_xfer *xfer) 962184610Salfred{ 963184610Salfred ohci_td_t *td; 964184610Salfred ohci_ed_t *ed; 965184610Salfred uint32_t phy_start; 966184610Salfred uint32_t td_flags; 967184610Salfred uint32_t td_next; 968184610Salfred uint16_t cc; 969184610Salfred 970184610Salfred td = xfer->td_transfer_cache; 971184610Salfred 972184610Salfred while (1) { 973184610Salfred 974184610Salfred usb2_pc_cpu_invalidate(td->page_cache); 975184610Salfred phy_start = le32toh(td->td_cbp); 976184610Salfred td_flags = le32toh(td->td_flags); 977184610Salfred td_next = le32toh(td->td_next); 978184610Salfred 979184610Salfred /* Check for last transfer */ 980184610Salfred if (((void *)td) == xfer->td_transfer_last) { 981184610Salfred /* the transfer is finished */ 982184610Salfred td = NULL; 983184610Salfred break; 984184610Salfred } 985184610Salfred /* Check transfer status */ 986184610Salfred cc = OHCI_TD_GET_CC(td_flags); 987184610Salfred if (cc) { 988184610Salfred /* the transfer is finished */ 989184610Salfred td = NULL; 990184610Salfred break; 991184610Salfred } 992184610Salfred /* 993184610Salfred * Check if we reached the last packet 994184610Salfred * or if there is a short packet: 995184610Salfred */ 996184610Salfred 997184610Salfred if (((td_next & (~0xF)) == OHCI_TD_NEXT_END) || phy_start) { 998184610Salfred /* follow alt next */ 999184610Salfred td = td->alt_next; 1000184610Salfred break; 1001184610Salfred } 1002184610Salfred td = td->obj_next; 1003184610Salfred } 1004184610Salfred 1005184610Salfred /* update transfer cache */ 1006184610Salfred 1007184610Salfred xfer->td_transfer_cache = td; 1008184610Salfred 1009184610Salfred if (td) { 1010184610Salfred 1011184610Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 1012184610Salfred 1013184610Salfred ed->ed_headp = td->td_self; 1014184610Salfred usb2_pc_cpu_flush(ed->page_cache); 1015184610Salfred 1016184610Salfred DPRINTFN(13, "xfer=%p following alt next\n", xfer); 1017190183Sthompsa 1018190183Sthompsa /* 1019190183Sthompsa * Make sure that the OHCI re-scans the schedule by 1020190183Sthompsa * writing the BLF and CLF bits: 1021190183Sthompsa */ 1022190183Sthompsa 1023191824Sthompsa if (xfer->xroot->udev->flags.self_suspended) { 1024190183Sthompsa /* nothing to do */ 1025190183Sthompsa } else if (xfer->pipe->methods == &ohci_device_bulk_methods) { 1026190183Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1027190183Sthompsa 1028190183Sthompsa OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_BLF); 1029190183Sthompsa } else if (xfer->pipe->methods == &ohci_device_ctrl_methods) { 1030190183Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1031190183Sthompsa 1032190183Sthompsa OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_CLF); 1033190183Sthompsa } 1034184610Salfred } 1035184610Salfred} 1036184610Salfred 1037184610Salfred/*------------------------------------------------------------------------* 1038184610Salfred * ohci_check_transfer 1039184610Salfred * 1040184610Salfred * Return values: 1041184610Salfred * 0: USB transfer is not finished 1042184610Salfred * Else: USB transfer is finished 1043184610Salfred *------------------------------------------------------------------------*/ 1044184610Salfredstatic uint8_t 1045184610Salfredohci_check_transfer(struct usb2_xfer *xfer) 1046184610Salfred{ 1047184610Salfred ohci_ed_t *ed; 1048184610Salfred uint32_t ed_headp; 1049184610Salfred uint32_t ed_tailp; 1050184610Salfred 1051184610Salfred DPRINTFN(13, "xfer=%p checking transfer\n", xfer); 1052184610Salfred 1053184610Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 1054184610Salfred 1055184610Salfred usb2_pc_cpu_invalidate(ed->page_cache); 1056184610Salfred ed_headp = le32toh(ed->ed_headp); 1057184610Salfred ed_tailp = le32toh(ed->ed_tailp); 1058184610Salfred 1059190183Sthompsa if ((ed_headp & OHCI_HALTED) || 1060184610Salfred (((ed_headp ^ ed_tailp) & (~0xF)) == 0)) { 1061184610Salfred if (xfer->pipe->methods == &ohci_device_isoc_methods) { 1062184610Salfred /* isochronous transfer */ 1063184610Salfred ohci_isoc_done(xfer); 1064184610Salfred } else { 1065184610Salfred if (xfer->flags_int.short_frames_ok) { 1066184610Salfred ohci_check_transfer_sub(xfer); 1067184610Salfred if (xfer->td_transfer_cache) { 1068184610Salfred /* not finished yet */ 1069184610Salfred return (0); 1070184610Salfred } 1071184610Salfred } 1072184610Salfred /* store data-toggle */ 1073184610Salfred if (ed_headp & OHCI_TOGGLECARRY) { 1074184610Salfred xfer->pipe->toggle_next = 1; 1075184610Salfred } else { 1076184610Salfred xfer->pipe->toggle_next = 0; 1077184610Salfred } 1078184610Salfred 1079184610Salfred /* non-isochronous transfer */ 1080184610Salfred ohci_non_isoc_done(xfer); 1081184610Salfred } 1082184610Salfred return (1); 1083184610Salfred } 1084184610Salfred DPRINTFN(13, "xfer=%p is still active\n", xfer); 1085184610Salfred return (0); 1086184610Salfred} 1087184610Salfred 1088184610Salfredstatic void 1089184610Salfredohci_rhsc_enable(ohci_softc_t *sc) 1090184610Salfred{ 1091184610Salfred DPRINTFN(5, "\n"); 1092184610Salfred 1093184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 1094184610Salfred 1095184610Salfred sc->sc_eintrs |= OHCI_RHSC; 1096184610Salfred OWRITE4(sc, OHCI_INTERRUPT_ENABLE, OHCI_RHSC); 1097184610Salfred 1098184610Salfred /* acknowledge any RHSC interrupt */ 1099184610Salfred OWRITE4(sc, OHCI_INTERRUPT_STATUS, OHCI_RHSC); 1100184610Salfred 1101190735Sthompsa ohci_root_intr(sc); 1102184610Salfred} 1103184610Salfred 1104184610Salfredstatic void 1105184610Salfredohci_interrupt_poll(ohci_softc_t *sc) 1106184610Salfred{ 1107184610Salfred struct usb2_xfer *xfer; 1108184610Salfred 1109184610Salfredrepeat: 1110184610Salfred TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { 1111184610Salfred /* 1112184610Salfred * check if transfer is transferred 1113184610Salfred */ 1114184610Salfred if (ohci_check_transfer(xfer)) { 1115184610Salfred /* queue has been modified */ 1116184610Salfred goto repeat; 1117184610Salfred } 1118184610Salfred } 1119184610Salfred} 1120184610Salfred 1121184610Salfred/*------------------------------------------------------------------------* 1122184610Salfred * ohci_interrupt - OHCI interrupt handler 1123184610Salfred * 1124184610Salfred * NOTE: Do not access "sc->sc_bus.bdev" inside the interrupt handler, 1125184610Salfred * hence the interrupt handler will be setup before "sc->sc_bus.bdev" 1126184610Salfred * is present ! 1127184610Salfred *------------------------------------------------------------------------*/ 1128184610Salfredvoid 1129184610Salfredohci_interrupt(ohci_softc_t *sc) 1130184610Salfred{ 1131184610Salfred struct ohci_hcca *hcca; 1132184610Salfred uint32_t status; 1133184610Salfred uint32_t done; 1134184610Salfred 1135184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 1136184610Salfred 1137184610Salfred hcca = ohci_get_hcca(sc); 1138184610Salfred 1139184610Salfred DPRINTFN(16, "real interrupt\n"); 1140184610Salfred 1141184610Salfred#if USB_DEBUG 1142184610Salfred if (ohcidebug > 15) { 1143184610Salfred ohci_dumpregs(sc); 1144184610Salfred } 1145184610Salfred#endif 1146184610Salfred 1147184610Salfred done = le32toh(hcca->hcca_done_head); 1148184610Salfred 1149184610Salfred /* 1150184610Salfred * The LSb of done is used to inform the HC Driver that an interrupt 1151184610Salfred * condition exists for both the Done list and for another event 1152184610Salfred * recorded in HcInterruptStatus. On an interrupt from the HC, the 1153184610Salfred * HC Driver checks the HccaDoneHead Value. If this value is 0, then 1154184610Salfred * the interrupt was caused by other than the HccaDoneHead update 1155184610Salfred * and the HcInterruptStatus register needs to be accessed to 1156184610Salfred * determine that exact interrupt cause. If HccaDoneHead is nonzero, 1157184610Salfred * then a Done list update interrupt is indicated and if the LSb of 1158184610Salfred * done is nonzero, then an additional interrupt event is indicated 1159184610Salfred * and HcInterruptStatus should be checked to determine its cause. 1160184610Salfred */ 1161184610Salfred if (done != 0) { 1162184610Salfred status = 0; 1163184610Salfred 1164184610Salfred if (done & ~OHCI_DONE_INTRS) { 1165184610Salfred status |= OHCI_WDH; 1166184610Salfred } 1167184610Salfred if (done & OHCI_DONE_INTRS) { 1168184610Salfred status |= OREAD4(sc, OHCI_INTERRUPT_STATUS); 1169184610Salfred } 1170184610Salfred hcca->hcca_done_head = 0; 1171184610Salfred 1172184610Salfred usb2_pc_cpu_flush(&sc->sc_hw.hcca_pc); 1173184610Salfred } else { 1174184610Salfred status = OREAD4(sc, OHCI_INTERRUPT_STATUS) & ~OHCI_WDH; 1175184610Salfred } 1176184610Salfred 1177184610Salfred status &= ~OHCI_MIE; 1178184610Salfred if (status == 0) { 1179184610Salfred /* 1180184610Salfred * nothing to be done (PCI shared 1181184610Salfred * interrupt) 1182184610Salfred */ 1183184610Salfred goto done; 1184184610Salfred } 1185184610Salfred OWRITE4(sc, OHCI_INTERRUPT_STATUS, status); /* Acknowledge */ 1186184610Salfred 1187184610Salfred status &= sc->sc_eintrs; 1188184610Salfred if (status == 0) { 1189184610Salfred goto done; 1190184610Salfred } 1191184610Salfred if (status & (OHCI_SO | OHCI_RD | OHCI_UE | OHCI_RHSC)) { 1192184610Salfred#if 0 1193184610Salfred if (status & OHCI_SO) { 1194184610Salfred /* XXX do what */ 1195184610Salfred } 1196184610Salfred#endif 1197184610Salfred if (status & OHCI_RD) { 1198184610Salfred printf("%s: resume detect\n", __FUNCTION__); 1199184610Salfred /* XXX process resume detect */ 1200184610Salfred } 1201184610Salfred if (status & OHCI_UE) { 1202184610Salfred printf("%s: unrecoverable error, " 1203184610Salfred "controller halted\n", __FUNCTION__); 1204184610Salfred OWRITE4(sc, OHCI_CONTROL, OHCI_HCFS_RESET); 1205184610Salfred /* XXX what else */ 1206184610Salfred } 1207184610Salfred if (status & OHCI_RHSC) { 1208184610Salfred /* 1209184610Salfred * Disable RHSC interrupt for now, because it will be 1210184610Salfred * on until the port has been reset. 1211184610Salfred */ 1212184610Salfred sc->sc_eintrs &= ~OHCI_RHSC; 1213184610Salfred OWRITE4(sc, OHCI_INTERRUPT_DISABLE, OHCI_RHSC); 1214184610Salfred 1215190735Sthompsa ohci_root_intr(sc); 1216184610Salfred 1217184610Salfred /* do not allow RHSC interrupts > 1 per second */ 1218184610Salfred usb2_callout_reset(&sc->sc_tmo_rhsc, hz, 1219184610Salfred (void *)&ohci_rhsc_enable, sc); 1220184610Salfred } 1221184610Salfred } 1222184610Salfred status &= ~(OHCI_RHSC | OHCI_WDH | OHCI_SO); 1223184610Salfred if (status != 0) { 1224184610Salfred /* Block unprocessed interrupts. XXX */ 1225184610Salfred OWRITE4(sc, OHCI_INTERRUPT_DISABLE, status); 1226184610Salfred sc->sc_eintrs &= ~status; 1227184610Salfred printf("%s: blocking intrs 0x%x\n", 1228184610Salfred __FUNCTION__, status); 1229184610Salfred } 1230184610Salfred /* poll all the USB transfers */ 1231184610Salfred ohci_interrupt_poll(sc); 1232184610Salfred 1233184610Salfreddone: 1234184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1235184610Salfred} 1236184610Salfred 1237184610Salfred/* 1238184610Salfred * called when a request does not complete 1239184610Salfred */ 1240184610Salfredstatic void 1241184610Salfredohci_timeout(void *arg) 1242184610Salfred{ 1243184610Salfred struct usb2_xfer *xfer = arg; 1244184610Salfred 1245184610Salfred DPRINTF("xfer=%p\n", xfer); 1246184610Salfred 1247187173Sthompsa USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); 1248184610Salfred 1249184610Salfred /* transfer is transferred */ 1250184610Salfred ohci_device_done(xfer, USB_ERR_TIMEOUT); 1251184610Salfred} 1252184610Salfred 1253184610Salfredstatic void 1254184610Salfredohci_do_poll(struct usb2_bus *bus) 1255184610Salfred{ 1256184610Salfred struct ohci_softc *sc = OHCI_BUS2SC(bus); 1257184610Salfred 1258184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 1259184610Salfred ohci_interrupt_poll(sc); 1260184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1261184610Salfred} 1262184610Salfred 1263184610Salfredstatic void 1264184610Salfredohci_setup_standard_chain_sub(struct ohci_std_temp *temp) 1265184610Salfred{ 1266184610Salfred struct usb2_page_search buf_res; 1267184610Salfred ohci_td_t *td; 1268184610Salfred ohci_td_t *td_next; 1269184610Salfred ohci_td_t *td_alt_next; 1270184610Salfred uint32_t buf_offset; 1271184610Salfred uint32_t average; 1272184610Salfred uint32_t len_old; 1273184610Salfred uint8_t shortpkt_old; 1274184610Salfred uint8_t precompute; 1275184610Salfred 1276184610Salfred td_alt_next = NULL; 1277184610Salfred buf_offset = 0; 1278184610Salfred shortpkt_old = temp->shortpkt; 1279184610Salfred len_old = temp->len; 1280184610Salfred precompute = 1; 1281184610Salfred 1282184610Salfred /* software is used to detect short incoming transfers */ 1283184610Salfred 1284184610Salfred if ((temp->td_flags & htole32(OHCI_TD_DP_MASK)) == htole32(OHCI_TD_IN)) { 1285184610Salfred temp->td_flags |= htole32(OHCI_TD_R); 1286184610Salfred } else { 1287184610Salfred temp->td_flags &= ~htole32(OHCI_TD_R); 1288184610Salfred } 1289184610Salfred 1290184610Salfredrestart: 1291184610Salfred 1292184610Salfred td = temp->td; 1293184610Salfred td_next = temp->td_next; 1294184610Salfred 1295184610Salfred while (1) { 1296184610Salfred 1297184610Salfred if (temp->len == 0) { 1298184610Salfred 1299184610Salfred if (temp->shortpkt) { 1300184610Salfred break; 1301184610Salfred } 1302184610Salfred /* send a Zero Length Packet, ZLP, last */ 1303184610Salfred 1304184610Salfred temp->shortpkt = 1; 1305184610Salfred average = 0; 1306184610Salfred 1307184610Salfred } else { 1308184610Salfred 1309184610Salfred average = temp->average; 1310184610Salfred 1311184610Salfred if (temp->len < average) { 1312184610Salfred if (temp->len % temp->max_frame_size) { 1313184610Salfred temp->shortpkt = 1; 1314184610Salfred } 1315184610Salfred average = temp->len; 1316184610Salfred } 1317184610Salfred } 1318184610Salfred 1319184610Salfred if (td_next == NULL) { 1320184610Salfred panic("%s: out of OHCI transfer descriptors!", __FUNCTION__); 1321184610Salfred } 1322184610Salfred /* get next TD */ 1323184610Salfred 1324184610Salfred td = td_next; 1325184610Salfred td_next = td->obj_next; 1326184610Salfred 1327184610Salfred /* check if we are pre-computing */ 1328184610Salfred 1329184610Salfred if (precompute) { 1330184610Salfred 1331184610Salfred /* update remaining length */ 1332184610Salfred 1333184610Salfred temp->len -= average; 1334184610Salfred 1335184610Salfred continue; 1336184610Salfred } 1337184610Salfred /* fill out current TD */ 1338184610Salfred td->td_flags = temp->td_flags; 1339184610Salfred 1340184610Salfred /* the next TD uses TOGGLE_CARRY */ 1341184610Salfred temp->td_flags &= ~htole32(OHCI_TD_TOGGLE_MASK); 1342184610Salfred 1343184610Salfred if (average == 0) { 1344190471Sthompsa /* 1345190471Sthompsa * The buffer start and end phys addresses should be 1346190471Sthompsa * 0x0 for a zero length packet. 1347190471Sthompsa */ 1348184610Salfred td->td_cbp = 0; 1349190471Sthompsa td->td_be = 0; 1350184610Salfred td->len = 0; 1351184610Salfred 1352184610Salfred } else { 1353184610Salfred 1354184610Salfred usb2_get_page(temp->pc, buf_offset, &buf_res); 1355184610Salfred td->td_cbp = htole32(buf_res.physaddr); 1356184610Salfred buf_offset += (average - 1); 1357184610Salfred 1358184610Salfred usb2_get_page(temp->pc, buf_offset, &buf_res); 1359184610Salfred td->td_be = htole32(buf_res.physaddr); 1360184610Salfred buf_offset++; 1361184610Salfred 1362184610Salfred td->len = average; 1363184610Salfred 1364184610Salfred /* update remaining length */ 1365184610Salfred 1366184610Salfred temp->len -= average; 1367184610Salfred } 1368184610Salfred 1369184610Salfred if ((td_next == td_alt_next) && temp->setup_alt_next) { 1370184610Salfred /* we need to receive these frames one by one ! */ 1371184610Salfred td->td_flags &= htole32(~OHCI_TD_INTR_MASK); 1372184610Salfred td->td_flags |= htole32(OHCI_TD_SET_DI(1)); 1373184610Salfred td->td_next = htole32(OHCI_TD_NEXT_END); 1374184610Salfred } else { 1375184610Salfred if (td_next) { 1376184610Salfred /* link the current TD with the next one */ 1377184610Salfred td->td_next = td_next->td_self; 1378184610Salfred } 1379184610Salfred } 1380184610Salfred 1381184610Salfred td->alt_next = td_alt_next; 1382184610Salfred 1383184610Salfred usb2_pc_cpu_flush(td->page_cache); 1384184610Salfred } 1385184610Salfred 1386184610Salfred if (precompute) { 1387184610Salfred precompute = 0; 1388184610Salfred 1389184610Salfred /* setup alt next pointer, if any */ 1390190183Sthompsa if (temp->last_frame) { 1391190183Sthompsa /* no alternate next */ 1392190183Sthompsa td_alt_next = NULL; 1393184610Salfred } else { 1394184610Salfred /* we use this field internally */ 1395184610Salfred td_alt_next = td_next; 1396184610Salfred } 1397184610Salfred 1398184610Salfred /* restore */ 1399184610Salfred temp->shortpkt = shortpkt_old; 1400184610Salfred temp->len = len_old; 1401184610Salfred goto restart; 1402184610Salfred } 1403184610Salfred temp->td = td; 1404184610Salfred temp->td_next = td_next; 1405184610Salfred} 1406184610Salfred 1407184610Salfredstatic void 1408184610Salfredohci_setup_standard_chain(struct usb2_xfer *xfer, ohci_ed_t **ed_last) 1409184610Salfred{ 1410184610Salfred struct ohci_std_temp temp; 1411184610Salfred struct usb2_pipe_methods *methods; 1412184610Salfred ohci_ed_t *ed; 1413184610Salfred ohci_td_t *td; 1414184610Salfred uint32_t ed_flags; 1415184610Salfred uint32_t x; 1416184610Salfred 1417184610Salfred DPRINTFN(9, "addr=%d endpt=%d sumlen=%d speed=%d\n", 1418184610Salfred xfer->address, UE_GET_ADDR(xfer->endpoint), 1419187173Sthompsa xfer->sumlen, usb2_get_speed(xfer->xroot->udev)); 1420184610Salfred 1421190181Sthompsa temp.average = xfer->max_hc_frame_size; 1422184610Salfred temp.max_frame_size = xfer->max_frame_size; 1423184610Salfred 1424184610Salfred /* toggle the DMA set we are using */ 1425184610Salfred xfer->flags_int.curr_dma_set ^= 1; 1426184610Salfred 1427184610Salfred /* get next DMA set */ 1428184610Salfred td = xfer->td_start[xfer->flags_int.curr_dma_set]; 1429184610Salfred 1430184610Salfred xfer->td_transfer_first = td; 1431184610Salfred xfer->td_transfer_cache = td; 1432184610Salfred 1433184610Salfred temp.td = NULL; 1434184610Salfred temp.td_next = td; 1435190183Sthompsa temp.last_frame = 0; 1436184610Salfred temp.setup_alt_next = xfer->flags_int.short_frames_ok; 1437184610Salfred 1438184610Salfred methods = xfer->pipe->methods; 1439184610Salfred 1440184610Salfred /* check if we should prepend a setup message */ 1441184610Salfred 1442184610Salfred if (xfer->flags_int.control_xfr) { 1443184610Salfred if (xfer->flags_int.control_hdr) { 1444184610Salfred 1445184610Salfred temp.td_flags = htole32(OHCI_TD_SETUP | OHCI_TD_NOCC | 1446184610Salfred OHCI_TD_TOGGLE_0 | OHCI_TD_NOINTR); 1447184610Salfred 1448184610Salfred temp.len = xfer->frlengths[0]; 1449184610Salfred temp.pc = xfer->frbuffers + 0; 1450184610Salfred temp.shortpkt = temp.len ? 1 : 0; 1451190183Sthompsa /* check for last frame */ 1452190183Sthompsa if (xfer->nframes == 1) { 1453190183Sthompsa /* no STATUS stage yet, SETUP is last */ 1454190183Sthompsa if (xfer->flags_int.control_act) { 1455190183Sthompsa temp.last_frame = 1; 1456190183Sthompsa temp.setup_alt_next = 0; 1457190183Sthompsa } 1458190183Sthompsa } 1459184610Salfred ohci_setup_standard_chain_sub(&temp); 1460184610Salfred 1461184610Salfred /* 1462184610Salfred * XXX assume that the setup message is 1463184610Salfred * contained within one USB packet: 1464184610Salfred */ 1465184610Salfred xfer->pipe->toggle_next = 1; 1466184610Salfred } 1467184610Salfred x = 1; 1468184610Salfred } else { 1469184610Salfred x = 0; 1470184610Salfred } 1471184610Salfred temp.td_flags = htole32(OHCI_TD_NOCC | OHCI_TD_NOINTR); 1472184610Salfred 1473184610Salfred /* set data toggle */ 1474184610Salfred 1475184610Salfred if (xfer->pipe->toggle_next) { 1476184610Salfred temp.td_flags |= htole32(OHCI_TD_TOGGLE_1); 1477184610Salfred } else { 1478184610Salfred temp.td_flags |= htole32(OHCI_TD_TOGGLE_0); 1479184610Salfred } 1480184610Salfred 1481184610Salfred /* set endpoint direction */ 1482184610Salfred 1483184610Salfred if (UE_GET_DIR(xfer->endpoint) == UE_DIR_IN) { 1484184610Salfred temp.td_flags |= htole32(OHCI_TD_IN); 1485184610Salfred } else { 1486184610Salfred temp.td_flags |= htole32(OHCI_TD_OUT); 1487184610Salfred } 1488184610Salfred 1489184610Salfred while (x != xfer->nframes) { 1490184610Salfred 1491184610Salfred /* DATA0 / DATA1 message */ 1492184610Salfred 1493184610Salfred temp.len = xfer->frlengths[x]; 1494184610Salfred temp.pc = xfer->frbuffers + x; 1495184610Salfred 1496184610Salfred x++; 1497184610Salfred 1498184610Salfred if (x == xfer->nframes) { 1499190183Sthompsa if (xfer->flags_int.control_xfr) { 1500190183Sthompsa /* no STATUS stage yet, DATA is last */ 1501190183Sthompsa if (xfer->flags_int.control_act) { 1502190183Sthompsa temp.last_frame = 1; 1503190183Sthompsa temp.setup_alt_next = 0; 1504190183Sthompsa } 1505190183Sthompsa } else { 1506190183Sthompsa temp.last_frame = 1; 1507190183Sthompsa temp.setup_alt_next = 0; 1508190183Sthompsa } 1509184610Salfred } 1510184610Salfred if (temp.len == 0) { 1511184610Salfred 1512184610Salfred /* make sure that we send an USB packet */ 1513184610Salfred 1514184610Salfred temp.shortpkt = 0; 1515184610Salfred 1516184610Salfred } else { 1517184610Salfred 1518184610Salfred /* regular data transfer */ 1519184610Salfred 1520184610Salfred temp.shortpkt = (xfer->flags.force_short_xfer) ? 0 : 1; 1521184610Salfred } 1522184610Salfred 1523184610Salfred ohci_setup_standard_chain_sub(&temp); 1524184610Salfred } 1525184610Salfred 1526184610Salfred /* check if we should append a status stage */ 1527184610Salfred 1528184610Salfred if (xfer->flags_int.control_xfr && 1529184610Salfred !xfer->flags_int.control_act) { 1530184610Salfred 1531184610Salfred /* 1532184610Salfred * Send a DATA1 message and invert the current endpoint 1533184610Salfred * direction. 1534184610Salfred */ 1535184610Salfred 1536184610Salfred /* set endpoint direction and data toggle */ 1537184610Salfred 1538184610Salfred if (UE_GET_DIR(xfer->endpoint) == UE_DIR_IN) { 1539184610Salfred temp.td_flags = htole32(OHCI_TD_OUT | 1540184610Salfred OHCI_TD_NOCC | OHCI_TD_TOGGLE_1 | OHCI_TD_SET_DI(1)); 1541184610Salfred } else { 1542184610Salfred temp.td_flags = htole32(OHCI_TD_IN | 1543184610Salfred OHCI_TD_NOCC | OHCI_TD_TOGGLE_1 | OHCI_TD_SET_DI(1)); 1544184610Salfred } 1545184610Salfred 1546184610Salfred temp.len = 0; 1547184610Salfred temp.pc = NULL; 1548184610Salfred temp.shortpkt = 0; 1549190183Sthompsa temp.last_frame = 1; 1550190183Sthompsa temp.setup_alt_next = 0; 1551184610Salfred 1552184610Salfred ohci_setup_standard_chain_sub(&temp); 1553184610Salfred } 1554184610Salfred td = temp.td; 1555184610Salfred 1556190183Sthompsa /* Ensure that last TD is terminating: */ 1557184610Salfred td->td_next = htole32(OHCI_TD_NEXT_END); 1558184610Salfred td->td_flags &= ~htole32(OHCI_TD_INTR_MASK); 1559184610Salfred td->td_flags |= htole32(OHCI_TD_SET_DI(1)); 1560184610Salfred 1561184610Salfred usb2_pc_cpu_flush(td->page_cache); 1562184610Salfred 1563184610Salfred /* must have at least one frame! */ 1564184610Salfred 1565184610Salfred xfer->td_transfer_last = td; 1566184610Salfred 1567184610Salfred#if USB_DEBUG 1568184610Salfred if (ohcidebug > 8) { 1569184610Salfred DPRINTF("nexttog=%d; data before transfer:\n", 1570184610Salfred xfer->pipe->toggle_next); 1571184610Salfred ohci_dump_tds(xfer->td_transfer_first); 1572184610Salfred } 1573184610Salfred#endif 1574184610Salfred 1575184610Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 1576184610Salfred 1577184610Salfred ed_flags = (OHCI_ED_SET_FA(xfer->address) | 1578184610Salfred OHCI_ED_SET_EN(UE_GET_ADDR(xfer->endpoint)) | 1579184610Salfred OHCI_ED_SET_MAXP(xfer->max_frame_size)); 1580184610Salfred 1581184610Salfred ed_flags |= (OHCI_ED_FORMAT_GEN | OHCI_ED_DIR_TD); 1582184610Salfred 1583187173Sthompsa if (xfer->xroot->udev->speed == USB_SPEED_LOW) { 1584184610Salfred ed_flags |= OHCI_ED_SPEED; 1585184610Salfred } 1586184610Salfred ed->ed_flags = htole32(ed_flags); 1587184610Salfred 1588184610Salfred td = xfer->td_transfer_first; 1589184610Salfred 1590186730Salfred ed->ed_headp = td->td_self; 1591184610Salfred 1592191824Sthompsa if (xfer->xroot->udev->flags.self_suspended == 0) { 1593187167Sthompsa /* the append function will flush the endpoint descriptor */ 1594186730Salfred OHCI_APPEND_QH(ed, *ed_last); 1595184610Salfred 1596186730Salfred if (methods == &ohci_device_bulk_methods) { 1597187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1598184610Salfred 1599186730Salfred OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_BLF); 1600186730Salfred } 1601186730Salfred if (methods == &ohci_device_ctrl_methods) { 1602187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1603186730Salfred 1604186730Salfred OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_CLF); 1605186730Salfred } 1606186730Salfred } else { 1607186730Salfred usb2_pc_cpu_flush(ed->page_cache); 1608184610Salfred } 1609184610Salfred} 1610184610Salfred 1611184610Salfredstatic void 1612190735Sthompsaohci_root_intr(ohci_softc_t *sc) 1613184610Salfred{ 1614184610Salfred uint32_t hstatus; 1615184610Salfred uint16_t i; 1616184610Salfred uint16_t m; 1617184610Salfred 1618184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 1619184610Salfred 1620184610Salfred /* clear any old interrupt data */ 1621190735Sthompsa memset(sc->sc_hub_idata, 0, sizeof(sc->sc_hub_idata)); 1622184610Salfred 1623184610Salfred hstatus = OREAD4(sc, OHCI_RH_STATUS); 1624190735Sthompsa DPRINTF("sc=%p hstatus=0x%08x\n", 1625190735Sthompsa sc, hstatus); 1626184610Salfred 1627184610Salfred /* set bits */ 1628184610Salfred m = (sc->sc_noport + 1); 1629184610Salfred if (m > (8 * sizeof(sc->sc_hub_idata))) { 1630184610Salfred m = (8 * sizeof(sc->sc_hub_idata)); 1631184610Salfred } 1632184610Salfred for (i = 1; i < m; i++) { 1633184610Salfred /* pick out CHANGE bits from the status register */ 1634184610Salfred if (OREAD4(sc, OHCI_RH_PORT_STATUS(i)) >> 16) { 1635184610Salfred sc->sc_hub_idata[i / 8] |= 1 << (i % 8); 1636184610Salfred DPRINTF("port %d changed\n", i); 1637184610Salfred } 1638184610Salfred } 1639190735Sthompsa 1640190735Sthompsa uhub_root_intr(&sc->sc_bus, sc->sc_hub_idata, 1641190735Sthompsa sizeof(sc->sc_hub_idata)); 1642184610Salfred} 1643184610Salfred 1644184610Salfred/* NOTE: "done" can be run two times in a row, 1645184610Salfred * from close and from interrupt 1646184610Salfred */ 1647184610Salfredstatic void 1648184610Salfredohci_device_done(struct usb2_xfer *xfer, usb2_error_t error) 1649184610Salfred{ 1650184610Salfred struct usb2_pipe_methods *methods = xfer->pipe->methods; 1651187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1652184610Salfred ohci_ed_t *ed; 1653184610Salfred 1654184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 1655184610Salfred 1656184610Salfred 1657184610Salfred DPRINTFN(2, "xfer=%p, pipe=%p, error=%d\n", 1658184610Salfred xfer, xfer->pipe, error); 1659184610Salfred 1660184610Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 1661184610Salfred if (ed) { 1662184610Salfred usb2_pc_cpu_invalidate(ed->page_cache); 1663184610Salfred } 1664184610Salfred if (methods == &ohci_device_bulk_methods) { 1665184610Salfred OHCI_REMOVE_QH(ed, sc->sc_bulk_p_last); 1666184610Salfred } 1667184610Salfred if (methods == &ohci_device_ctrl_methods) { 1668184610Salfred OHCI_REMOVE_QH(ed, sc->sc_ctrl_p_last); 1669184610Salfred } 1670184610Salfred if (methods == &ohci_device_intr_methods) { 1671184610Salfred OHCI_REMOVE_QH(ed, sc->sc_intr_p_last[xfer->qh_pos]); 1672184610Salfred } 1673184610Salfred if (methods == &ohci_device_isoc_methods) { 1674184610Salfred OHCI_REMOVE_QH(ed, sc->sc_isoc_p_last); 1675184610Salfred } 1676184610Salfred xfer->td_transfer_first = NULL; 1677184610Salfred xfer->td_transfer_last = NULL; 1678184610Salfred 1679184610Salfred /* dequeue transfer and start next transfer */ 1680184610Salfred usb2_transfer_done(xfer, error); 1681184610Salfred} 1682184610Salfred 1683184610Salfred/*------------------------------------------------------------------------* 1684184610Salfred * ohci bulk support 1685184610Salfred *------------------------------------------------------------------------*/ 1686184610Salfredstatic void 1687184610Salfredohci_device_bulk_open(struct usb2_xfer *xfer) 1688184610Salfred{ 1689184610Salfred return; 1690184610Salfred} 1691184610Salfred 1692184610Salfredstatic void 1693184610Salfredohci_device_bulk_close(struct usb2_xfer *xfer) 1694184610Salfred{ 1695184610Salfred ohci_device_done(xfer, USB_ERR_CANCELLED); 1696184610Salfred} 1697184610Salfred 1698184610Salfredstatic void 1699184610Salfredohci_device_bulk_enter(struct usb2_xfer *xfer) 1700184610Salfred{ 1701184610Salfred return; 1702184610Salfred} 1703184610Salfred 1704184610Salfredstatic void 1705184610Salfredohci_device_bulk_start(struct usb2_xfer *xfer) 1706184610Salfred{ 1707187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1708184610Salfred 1709184610Salfred /* setup TD's and QH */ 1710184610Salfred ohci_setup_standard_chain(xfer, &sc->sc_bulk_p_last); 1711184610Salfred 1712184610Salfred /* put transfer on interrupt queue */ 1713184610Salfred ohci_transfer_intr_enqueue(xfer); 1714184610Salfred} 1715184610Salfred 1716184610Salfredstruct usb2_pipe_methods ohci_device_bulk_methods = 1717184610Salfred{ 1718184610Salfred .open = ohci_device_bulk_open, 1719184610Salfred .close = ohci_device_bulk_close, 1720184610Salfred .enter = ohci_device_bulk_enter, 1721184610Salfred .start = ohci_device_bulk_start, 1722184610Salfred}; 1723184610Salfred 1724184610Salfred/*------------------------------------------------------------------------* 1725184610Salfred * ohci control support 1726184610Salfred *------------------------------------------------------------------------*/ 1727184610Salfredstatic void 1728184610Salfredohci_device_ctrl_open(struct usb2_xfer *xfer) 1729184610Salfred{ 1730184610Salfred return; 1731184610Salfred} 1732184610Salfred 1733184610Salfredstatic void 1734184610Salfredohci_device_ctrl_close(struct usb2_xfer *xfer) 1735184610Salfred{ 1736184610Salfred ohci_device_done(xfer, USB_ERR_CANCELLED); 1737184610Salfred} 1738184610Salfred 1739184610Salfredstatic void 1740184610Salfredohci_device_ctrl_enter(struct usb2_xfer *xfer) 1741184610Salfred{ 1742184610Salfred return; 1743184610Salfred} 1744184610Salfred 1745184610Salfredstatic void 1746184610Salfredohci_device_ctrl_start(struct usb2_xfer *xfer) 1747184610Salfred{ 1748187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1749184610Salfred 1750184610Salfred /* setup TD's and QH */ 1751184610Salfred ohci_setup_standard_chain(xfer, &sc->sc_ctrl_p_last); 1752184610Salfred 1753184610Salfred /* put transfer on interrupt queue */ 1754184610Salfred ohci_transfer_intr_enqueue(xfer); 1755184610Salfred} 1756184610Salfred 1757184610Salfredstruct usb2_pipe_methods ohci_device_ctrl_methods = 1758184610Salfred{ 1759184610Salfred .open = ohci_device_ctrl_open, 1760184610Salfred .close = ohci_device_ctrl_close, 1761184610Salfred .enter = ohci_device_ctrl_enter, 1762184610Salfred .start = ohci_device_ctrl_start, 1763184610Salfred}; 1764184610Salfred 1765184610Salfred/*------------------------------------------------------------------------* 1766184610Salfred * ohci interrupt support 1767184610Salfred *------------------------------------------------------------------------*/ 1768184610Salfredstatic void 1769184610Salfredohci_device_intr_open(struct usb2_xfer *xfer) 1770184610Salfred{ 1771187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1772184610Salfred uint16_t best; 1773184610Salfred uint16_t bit; 1774184610Salfred uint16_t x; 1775184610Salfred 1776184610Salfred best = 0; 1777184610Salfred bit = OHCI_NO_EDS / 2; 1778184610Salfred while (bit) { 1779184610Salfred if (xfer->interval >= bit) { 1780184610Salfred x = bit; 1781184610Salfred best = bit; 1782184610Salfred while (x & bit) { 1783184610Salfred if (sc->sc_intr_stat[x] < 1784184610Salfred sc->sc_intr_stat[best]) { 1785184610Salfred best = x; 1786184610Salfred } 1787184610Salfred x++; 1788184610Salfred } 1789184610Salfred break; 1790184610Salfred } 1791184610Salfred bit >>= 1; 1792184610Salfred } 1793184610Salfred 1794184610Salfred sc->sc_intr_stat[best]++; 1795184610Salfred xfer->qh_pos = best; 1796184610Salfred 1797184610Salfred DPRINTFN(3, "best=%d interval=%d\n", 1798184610Salfred best, xfer->interval); 1799184610Salfred} 1800184610Salfred 1801184610Salfredstatic void 1802184610Salfredohci_device_intr_close(struct usb2_xfer *xfer) 1803184610Salfred{ 1804187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1805184610Salfred 1806184610Salfred sc->sc_intr_stat[xfer->qh_pos]--; 1807184610Salfred 1808184610Salfred ohci_device_done(xfer, USB_ERR_CANCELLED); 1809184610Salfred} 1810184610Salfred 1811184610Salfredstatic void 1812184610Salfredohci_device_intr_enter(struct usb2_xfer *xfer) 1813184610Salfred{ 1814184610Salfred return; 1815184610Salfred} 1816184610Salfred 1817184610Salfredstatic void 1818184610Salfredohci_device_intr_start(struct usb2_xfer *xfer) 1819184610Salfred{ 1820187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1821184610Salfred 1822184610Salfred /* setup TD's and QH */ 1823184610Salfred ohci_setup_standard_chain(xfer, &sc->sc_intr_p_last[xfer->qh_pos]); 1824184610Salfred 1825184610Salfred /* put transfer on interrupt queue */ 1826184610Salfred ohci_transfer_intr_enqueue(xfer); 1827184610Salfred} 1828184610Salfred 1829184610Salfredstruct usb2_pipe_methods ohci_device_intr_methods = 1830184610Salfred{ 1831184610Salfred .open = ohci_device_intr_open, 1832184610Salfred .close = ohci_device_intr_close, 1833184610Salfred .enter = ohci_device_intr_enter, 1834184610Salfred .start = ohci_device_intr_start, 1835184610Salfred}; 1836184610Salfred 1837184610Salfred/*------------------------------------------------------------------------* 1838184610Salfred * ohci isochronous support 1839184610Salfred *------------------------------------------------------------------------*/ 1840184610Salfredstatic void 1841184610Salfredohci_device_isoc_open(struct usb2_xfer *xfer) 1842184610Salfred{ 1843184610Salfred return; 1844184610Salfred} 1845184610Salfred 1846184610Salfredstatic void 1847184610Salfredohci_device_isoc_close(struct usb2_xfer *xfer) 1848184610Salfred{ 1849184610Salfred /**/ 1850184610Salfred ohci_device_done(xfer, USB_ERR_CANCELLED); 1851184610Salfred} 1852184610Salfred 1853184610Salfredstatic void 1854184610Salfredohci_device_isoc_enter(struct usb2_xfer *xfer) 1855184610Salfred{ 1856184610Salfred struct usb2_page_search buf_res; 1857187173Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(xfer->xroot->bus); 1858184610Salfred struct ohci_hcca *hcca; 1859184610Salfred uint32_t buf_offset; 1860184610Salfred uint32_t nframes; 1861184610Salfred uint32_t ed_flags; 1862184610Salfred uint32_t *plen; 1863184610Salfred uint16_t itd_offset[OHCI_ITD_NOFFSET]; 1864184610Salfred uint16_t length; 1865184610Salfred uint8_t ncur; 1866184610Salfred ohci_itd_t *td; 1867184610Salfred ohci_itd_t *td_last = NULL; 1868184610Salfred ohci_ed_t *ed; 1869184610Salfred 1870184610Salfred hcca = ohci_get_hcca(sc); 1871184610Salfred 1872184610Salfred nframes = le32toh(hcca->hcca_frame_number); 1873184610Salfred 1874184610Salfred DPRINTFN(6, "xfer=%p isoc_next=%u nframes=%u hcca_fn=%u\n", 1875184610Salfred xfer, xfer->pipe->isoc_next, xfer->nframes, nframes); 1876184610Salfred 1877184610Salfred if ((xfer->pipe->is_synced == 0) || 1878184610Salfred (((nframes - xfer->pipe->isoc_next) & 0xFFFF) < xfer->nframes) || 1879184610Salfred (((xfer->pipe->isoc_next - nframes) & 0xFFFF) >= 128)) { 1880184610Salfred /* 1881184610Salfred * If there is data underflow or the pipe queue is empty we 1882184610Salfred * schedule the transfer a few frames ahead of the current 1883184610Salfred * frame position. Else two isochronous transfers might 1884184610Salfred * overlap. 1885184610Salfred */ 1886184610Salfred xfer->pipe->isoc_next = (nframes + 3) & 0xFFFF; 1887184610Salfred xfer->pipe->is_synced = 1; 1888184610Salfred DPRINTFN(3, "start next=%d\n", xfer->pipe->isoc_next); 1889184610Salfred } 1890184610Salfred /* 1891184610Salfred * compute how many milliseconds the insertion is ahead of the 1892184610Salfred * current frame position: 1893184610Salfred */ 1894184610Salfred buf_offset = ((xfer->pipe->isoc_next - nframes) & 0xFFFF); 1895184610Salfred 1896184610Salfred /* 1897184610Salfred * pre-compute when the isochronous transfer will be finished: 1898184610Salfred */ 1899184610Salfred xfer->isoc_time_complete = 1900184610Salfred (usb2_isoc_time_expand(&sc->sc_bus, nframes) + buf_offset + 1901184610Salfred xfer->nframes); 1902184610Salfred 1903184610Salfred /* get the real number of frames */ 1904184610Salfred 1905184610Salfred nframes = xfer->nframes; 1906184610Salfred 1907184610Salfred buf_offset = 0; 1908184610Salfred 1909184610Salfred plen = xfer->frlengths; 1910184610Salfred 1911184610Salfred /* toggle the DMA set we are using */ 1912184610Salfred xfer->flags_int.curr_dma_set ^= 1; 1913184610Salfred 1914184610Salfred /* get next DMA set */ 1915184610Salfred td = xfer->td_start[xfer->flags_int.curr_dma_set]; 1916184610Salfred 1917184610Salfred xfer->td_transfer_first = td; 1918184610Salfred 1919184610Salfred ncur = 0; 1920184610Salfred length = 0; 1921184610Salfred 1922184610Salfred while (nframes--) { 1923184610Salfred if (td == NULL) { 1924184610Salfred panic("%s:%d: out of TD's\n", 1925184610Salfred __FUNCTION__, __LINE__); 1926184610Salfred } 1927184610Salfred itd_offset[ncur] = length; 1928184610Salfred buf_offset += *plen; 1929184610Salfred length += *plen; 1930184610Salfred plen++; 1931184610Salfred ncur++; 1932184610Salfred 1933184610Salfred if ( /* check if the ITD is full */ 1934184610Salfred (ncur == OHCI_ITD_NOFFSET) || 1935184610Salfred /* check if we have put more than 4K into the ITD */ 1936184610Salfred (length & 0xF000) || 1937184610Salfred /* check if it is the last frame */ 1938184610Salfred (nframes == 0)) { 1939184610Salfred 1940184610Salfred /* fill current ITD */ 1941184610Salfred td->itd_flags = htole32( 1942184610Salfred OHCI_ITD_NOCC | 1943184610Salfred OHCI_ITD_SET_SF(xfer->pipe->isoc_next) | 1944184610Salfred OHCI_ITD_NOINTR | 1945184610Salfred OHCI_ITD_SET_FC(ncur)); 1946184610Salfred 1947184610Salfred td->frames = ncur; 1948184610Salfred xfer->pipe->isoc_next += ncur; 1949184610Salfred 1950184610Salfred if (length == 0) { 1951184610Salfred /* all zero */ 1952184610Salfred td->itd_bp0 = 0; 1953184610Salfred td->itd_be = ~0; 1954184610Salfred 1955184610Salfred while (ncur--) { 1956184610Salfred td->itd_offset[ncur] = 1957184610Salfred htole16(OHCI_ITD_MK_OFFS(0)); 1958184610Salfred } 1959184610Salfred } else { 1960184610Salfred usb2_get_page(xfer->frbuffers, buf_offset - length, &buf_res); 1961184610Salfred length = OHCI_PAGE_MASK(buf_res.physaddr); 1962184610Salfred buf_res.physaddr = 1963184610Salfred OHCI_PAGE(buf_res.physaddr); 1964184610Salfred td->itd_bp0 = htole32(buf_res.physaddr); 1965184610Salfred usb2_get_page(xfer->frbuffers, buf_offset - 1, &buf_res); 1966184610Salfred td->itd_be = htole32(buf_res.physaddr); 1967184610Salfred 1968184610Salfred while (ncur--) { 1969184610Salfred itd_offset[ncur] += length; 1970184610Salfred itd_offset[ncur] = 1971184610Salfred OHCI_ITD_MK_OFFS(itd_offset[ncur]); 1972184610Salfred td->itd_offset[ncur] = 1973184610Salfred htole16(itd_offset[ncur]); 1974184610Salfred } 1975184610Salfred } 1976184610Salfred ncur = 0; 1977184610Salfred length = 0; 1978184610Salfred td_last = td; 1979184610Salfred td = td->obj_next; 1980184610Salfred 1981184610Salfred if (td) { 1982184610Salfred /* link the last TD with the next one */ 1983184610Salfred td_last->itd_next = td->itd_self; 1984184610Salfred } 1985184610Salfred usb2_pc_cpu_flush(td_last->page_cache); 1986184610Salfred } 1987184610Salfred } 1988184610Salfred 1989184610Salfred /* update the last TD */ 1990184610Salfred td_last->itd_flags &= ~htole32(OHCI_ITD_NOINTR); 1991184610Salfred td_last->itd_flags |= htole32(OHCI_ITD_SET_DI(0)); 1992184610Salfred td_last->itd_next = 0; 1993184610Salfred 1994184610Salfred usb2_pc_cpu_flush(td_last->page_cache); 1995184610Salfred 1996184610Salfred xfer->td_transfer_last = td_last; 1997184610Salfred 1998184610Salfred#if USB_DEBUG 1999184610Salfred if (ohcidebug > 8) { 2000184610Salfred DPRINTF("data before transfer:\n"); 2001184610Salfred ohci_dump_itds(xfer->td_transfer_first); 2002184610Salfred } 2003184610Salfred#endif 2004184610Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 2005184610Salfred 2006184610Salfred if (UE_GET_DIR(xfer->endpoint) == UE_DIR_IN) 2007184610Salfred ed_flags = (OHCI_ED_DIR_IN | OHCI_ED_FORMAT_ISO); 2008184610Salfred else 2009184610Salfred ed_flags = (OHCI_ED_DIR_OUT | OHCI_ED_FORMAT_ISO); 2010184610Salfred 2011184610Salfred ed_flags |= (OHCI_ED_SET_FA(xfer->address) | 2012184610Salfred OHCI_ED_SET_EN(UE_GET_ADDR(xfer->endpoint)) | 2013184610Salfred OHCI_ED_SET_MAXP(xfer->max_frame_size)); 2014184610Salfred 2015187173Sthompsa if (xfer->xroot->udev->speed == USB_SPEED_LOW) { 2016184610Salfred ed_flags |= OHCI_ED_SPEED; 2017184610Salfred } 2018184610Salfred ed->ed_flags = htole32(ed_flags); 2019184610Salfred 2020184610Salfred td = xfer->td_transfer_first; 2021184610Salfred 2022186730Salfred ed->ed_headp = td->itd_self; 2023186730Salfred 2024186730Salfred /* isochronous transfers are not affected by suspend / resume */ 2025187167Sthompsa /* the append function will flush the endpoint descriptor */ 2026186730Salfred 2027186730Salfred OHCI_APPEND_QH(ed, sc->sc_isoc_p_last); 2028184610Salfred} 2029184610Salfred 2030184610Salfredstatic void 2031184610Salfredohci_device_isoc_start(struct usb2_xfer *xfer) 2032184610Salfred{ 2033184610Salfred /* put transfer on interrupt queue */ 2034184610Salfred ohci_transfer_intr_enqueue(xfer); 2035184610Salfred} 2036184610Salfred 2037184610Salfredstruct usb2_pipe_methods ohci_device_isoc_methods = 2038184610Salfred{ 2039184610Salfred .open = ohci_device_isoc_open, 2040184610Salfred .close = ohci_device_isoc_close, 2041184610Salfred .enter = ohci_device_isoc_enter, 2042184610Salfred .start = ohci_device_isoc_start, 2043184610Salfred}; 2044184610Salfred 2045184610Salfred/*------------------------------------------------------------------------* 2046184610Salfred * ohci root control support 2047184610Salfred *------------------------------------------------------------------------* 2048190735Sthompsa * Simulate a hardware hub by handling all the necessary requests. 2049184610Salfred *------------------------------------------------------------------------*/ 2050184610Salfred 2051184610Salfredstatic const 2052184610Salfredstruct usb2_device_descriptor ohci_devd = 2053184610Salfred{ 2054184610Salfred sizeof(struct usb2_device_descriptor), 2055184610Salfred UDESC_DEVICE, /* type */ 2056184610Salfred {0x00, 0x01}, /* USB version */ 2057184610Salfred UDCLASS_HUB, /* class */ 2058184610Salfred UDSUBCLASS_HUB, /* subclass */ 2059184610Salfred UDPROTO_FSHUB, /* protocol */ 2060184610Salfred 64, /* max packet */ 2061184610Salfred {0}, {0}, {0x00, 0x01}, /* device id */ 2062184610Salfred 1, 2, 0, /* string indicies */ 2063184610Salfred 1 /* # of configurations */ 2064184610Salfred}; 2065184610Salfred 2066184610Salfredstatic const 2067184610Salfredstruct ohci_config_desc ohci_confd = 2068184610Salfred{ 2069184610Salfred .confd = { 2070184610Salfred .bLength = sizeof(struct usb2_config_descriptor), 2071184610Salfred .bDescriptorType = UDESC_CONFIG, 2072184610Salfred .wTotalLength[0] = sizeof(ohci_confd), 2073184610Salfred .bNumInterface = 1, 2074184610Salfred .bConfigurationValue = 1, 2075184610Salfred .iConfiguration = 0, 2076184610Salfred .bmAttributes = UC_SELF_POWERED, 2077184610Salfred .bMaxPower = 0, /* max power */ 2078184610Salfred }, 2079184610Salfred .ifcd = { 2080184610Salfred .bLength = sizeof(struct usb2_interface_descriptor), 2081184610Salfred .bDescriptorType = UDESC_INTERFACE, 2082184610Salfred .bNumEndpoints = 1, 2083184610Salfred .bInterfaceClass = UICLASS_HUB, 2084184610Salfred .bInterfaceSubClass = UISUBCLASS_HUB, 2085184610Salfred .bInterfaceProtocol = UIPROTO_FSHUB, 2086184610Salfred }, 2087184610Salfred .endpd = { 2088184610Salfred .bLength = sizeof(struct usb2_endpoint_descriptor), 2089184610Salfred .bDescriptorType = UDESC_ENDPOINT, 2090184610Salfred .bEndpointAddress = UE_DIR_IN | OHCI_INTR_ENDPT, 2091184610Salfred .bmAttributes = UE_INTERRUPT, 2092184610Salfred .wMaxPacketSize[0] = 32,/* max packet (255 ports) */ 2093184610Salfred .bInterval = 255, 2094184610Salfred }, 2095184610Salfred}; 2096184610Salfred 2097184610Salfredstatic const 2098184610Salfredstruct usb2_hub_descriptor ohci_hubd = 2099184610Salfred{ 2100184610Salfred 0, /* dynamic length */ 2101184610Salfred UDESC_HUB, 2102184610Salfred 0, 2103184610Salfred {0, 0}, 2104184610Salfred 0, 2105184610Salfred 0, 2106184610Salfred {0}, 2107184610Salfred}; 2108184610Salfred 2109191402Sthompsastatic usb2_error_t 2110191402Sthompsaohci_roothub_exec(struct usb2_device *udev, 2111191402Sthompsa struct usb2_device_request *req, const void **pptr, uint16_t *plength) 2112184610Salfred{ 2113191402Sthompsa ohci_softc_t *sc = OHCI_BUS2SC(udev->bus); 2114191402Sthompsa const void *ptr; 2115191402Sthompsa const char *str_ptr; 2116184610Salfred uint32_t port; 2117184610Salfred uint32_t v; 2118191402Sthompsa uint16_t len; 2119184610Salfred uint16_t value; 2120184610Salfred uint16_t index; 2121184610Salfred uint8_t l; 2122191402Sthompsa usb2_error_t err; 2123184610Salfred 2124184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 2125184610Salfred 2126184610Salfred /* buffer reset */ 2127191402Sthompsa ptr = (const void *)&sc->sc_hub_desc.temp; 2128191402Sthompsa len = 0; 2129191402Sthompsa err = 0; 2130184610Salfred 2131191402Sthompsa value = UGETW(req->wValue); 2132191402Sthompsa index = UGETW(req->wIndex); 2133184610Salfred 2134184610Salfred DPRINTFN(3, "type=0x%02x request=0x%02x wLen=0x%04x " 2135184610Salfred "wValue=0x%04x wIndex=0x%04x\n", 2136191402Sthompsa req->bmRequestType, req->bRequest, 2137191402Sthompsa UGETW(req->wLength), value, index); 2138184610Salfred 2139184610Salfred#define C(x,y) ((x) | ((y) << 8)) 2140191402Sthompsa switch (C(req->bRequest, req->bmRequestType)) { 2141184610Salfred case C(UR_CLEAR_FEATURE, UT_WRITE_DEVICE): 2142184610Salfred case C(UR_CLEAR_FEATURE, UT_WRITE_INTERFACE): 2143184610Salfred case C(UR_CLEAR_FEATURE, UT_WRITE_ENDPOINT): 2144184610Salfred /* 2145184610Salfred * DEVICE_REMOTE_WAKEUP and ENDPOINT_HALT are no-ops 2146184610Salfred * for the integrated root hub. 2147184610Salfred */ 2148184610Salfred break; 2149184610Salfred case C(UR_GET_CONFIG, UT_READ_DEVICE): 2150191402Sthompsa len = 1; 2151184610Salfred sc->sc_hub_desc.temp[0] = sc->sc_conf; 2152184610Salfred break; 2153184610Salfred case C(UR_GET_DESCRIPTOR, UT_READ_DEVICE): 2154184610Salfred switch (value >> 8) { 2155184610Salfred case UDESC_DEVICE: 2156184610Salfred if ((value & 0xff) != 0) { 2157191402Sthompsa err = USB_ERR_IOERROR; 2158184610Salfred goto done; 2159184610Salfred } 2160191402Sthompsa len = sizeof(ohci_devd); 2161191402Sthompsa ptr = (const void *)&ohci_devd; 2162184610Salfred break; 2163184610Salfred 2164184610Salfred case UDESC_CONFIG: 2165184610Salfred if ((value & 0xff) != 0) { 2166191402Sthompsa err = USB_ERR_IOERROR; 2167184610Salfred goto done; 2168184610Salfred } 2169191402Sthompsa len = sizeof(ohci_confd); 2170191402Sthompsa ptr = (const void *)&ohci_confd; 2171184610Salfred break; 2172184610Salfred 2173184610Salfred case UDESC_STRING: 2174184610Salfred switch (value & 0xff) { 2175184610Salfred case 0: /* Language table */ 2176191402Sthompsa str_ptr = "\001"; 2177184610Salfred break; 2178184610Salfred 2179184610Salfred case 1: /* Vendor */ 2180191402Sthompsa str_ptr = sc->sc_vendor; 2181184610Salfred break; 2182184610Salfred 2183184610Salfred case 2: /* Product */ 2184191402Sthompsa str_ptr = "OHCI root HUB"; 2185184610Salfred break; 2186184610Salfred 2187184610Salfred default: 2188191402Sthompsa str_ptr = ""; 2189184610Salfred break; 2190184610Salfred } 2191184610Salfred 2192191402Sthompsa len = usb2_make_str_desc( 2193191402Sthompsa sc->sc_hub_desc.temp, 2194184610Salfred sizeof(sc->sc_hub_desc.temp), 2195191402Sthompsa str_ptr); 2196184610Salfred break; 2197184610Salfred 2198184610Salfred default: 2199191402Sthompsa err = USB_ERR_IOERROR; 2200184610Salfred goto done; 2201184610Salfred } 2202184610Salfred break; 2203184610Salfred case C(UR_GET_INTERFACE, UT_READ_INTERFACE): 2204191402Sthompsa len = 1; 2205184610Salfred sc->sc_hub_desc.temp[0] = 0; 2206184610Salfred break; 2207184610Salfred case C(UR_GET_STATUS, UT_READ_DEVICE): 2208191402Sthompsa len = 2; 2209184610Salfred USETW(sc->sc_hub_desc.stat.wStatus, UDS_SELF_POWERED); 2210184610Salfred break; 2211184610Salfred case C(UR_GET_STATUS, UT_READ_INTERFACE): 2212184610Salfred case C(UR_GET_STATUS, UT_READ_ENDPOINT): 2213191402Sthompsa len = 2; 2214184610Salfred USETW(sc->sc_hub_desc.stat.wStatus, 0); 2215184610Salfred break; 2216184610Salfred case C(UR_SET_ADDRESS, UT_WRITE_DEVICE): 2217190174Sthompsa if (value >= OHCI_MAX_DEVICES) { 2218191402Sthompsa err = USB_ERR_IOERROR; 2219184610Salfred goto done; 2220184610Salfred } 2221184610Salfred sc->sc_addr = value; 2222184610Salfred break; 2223184610Salfred case C(UR_SET_CONFIG, UT_WRITE_DEVICE): 2224184610Salfred if ((value != 0) && (value != 1)) { 2225191402Sthompsa err = USB_ERR_IOERROR; 2226184610Salfred goto done; 2227184610Salfred } 2228184610Salfred sc->sc_conf = value; 2229184610Salfred break; 2230184610Salfred case C(UR_SET_DESCRIPTOR, UT_WRITE_DEVICE): 2231184610Salfred break; 2232184610Salfred case C(UR_SET_FEATURE, UT_WRITE_DEVICE): 2233184610Salfred case C(UR_SET_FEATURE, UT_WRITE_INTERFACE): 2234184610Salfred case C(UR_SET_FEATURE, UT_WRITE_ENDPOINT): 2235191402Sthompsa err = USB_ERR_IOERROR; 2236184610Salfred goto done; 2237184610Salfred case C(UR_SET_INTERFACE, UT_WRITE_INTERFACE): 2238184610Salfred break; 2239184610Salfred case C(UR_SYNCH_FRAME, UT_WRITE_ENDPOINT): 2240184610Salfred break; 2241184610Salfred /* Hub requests */ 2242184610Salfred case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_DEVICE): 2243184610Salfred break; 2244184610Salfred case C(UR_CLEAR_FEATURE, UT_WRITE_CLASS_OTHER): 2245184610Salfred DPRINTFN(9, "UR_CLEAR_PORT_FEATURE " 2246184610Salfred "port=%d feature=%d\n", 2247184610Salfred index, value); 2248184610Salfred if ((index < 1) || 2249184610Salfred (index > sc->sc_noport)) { 2250191402Sthompsa err = USB_ERR_IOERROR; 2251184610Salfred goto done; 2252184610Salfred } 2253184610Salfred port = OHCI_RH_PORT_STATUS(index); 2254184610Salfred switch (value) { 2255184610Salfred case UHF_PORT_ENABLE: 2256184610Salfred OWRITE4(sc, port, UPS_CURRENT_CONNECT_STATUS); 2257184610Salfred break; 2258184610Salfred case UHF_PORT_SUSPEND: 2259184610Salfred OWRITE4(sc, port, UPS_OVERCURRENT_INDICATOR); 2260184610Salfred break; 2261184610Salfred case UHF_PORT_POWER: 2262184610Salfred /* Yes, writing to the LOW_SPEED bit clears power. */ 2263184610Salfred OWRITE4(sc, port, UPS_LOW_SPEED); 2264184610Salfred break; 2265184610Salfred case UHF_C_PORT_CONNECTION: 2266184610Salfred OWRITE4(sc, port, UPS_C_CONNECT_STATUS << 16); 2267184610Salfred break; 2268184610Salfred case UHF_C_PORT_ENABLE: 2269184610Salfred OWRITE4(sc, port, UPS_C_PORT_ENABLED << 16); 2270184610Salfred break; 2271184610Salfred case UHF_C_PORT_SUSPEND: 2272184610Salfred OWRITE4(sc, port, UPS_C_SUSPEND << 16); 2273184610Salfred break; 2274184610Salfred case UHF_C_PORT_OVER_CURRENT: 2275184610Salfred OWRITE4(sc, port, UPS_C_OVERCURRENT_INDICATOR << 16); 2276184610Salfred break; 2277184610Salfred case UHF_C_PORT_RESET: 2278184610Salfred OWRITE4(sc, port, UPS_C_PORT_RESET << 16); 2279184610Salfred break; 2280184610Salfred default: 2281191402Sthompsa err = USB_ERR_IOERROR; 2282184610Salfred goto done; 2283184610Salfred } 2284184610Salfred switch (value) { 2285184610Salfred case UHF_C_PORT_CONNECTION: 2286184610Salfred case UHF_C_PORT_ENABLE: 2287184610Salfred case UHF_C_PORT_SUSPEND: 2288184610Salfred case UHF_C_PORT_OVER_CURRENT: 2289184610Salfred case UHF_C_PORT_RESET: 2290184610Salfred /* enable RHSC interrupt if condition is cleared. */ 2291186454Sthompsa if ((OREAD4(sc, port) >> 16) == 0) 2292184610Salfred ohci_rhsc_enable(sc); 2293184610Salfred break; 2294184610Salfred default: 2295184610Salfred break; 2296184610Salfred } 2297184610Salfred break; 2298184610Salfred case C(UR_GET_DESCRIPTOR, UT_READ_CLASS_DEVICE): 2299184610Salfred if ((value & 0xff) != 0) { 2300191402Sthompsa err = USB_ERR_IOERROR; 2301184610Salfred goto done; 2302184610Salfred } 2303184610Salfred v = OREAD4(sc, OHCI_RH_DESCRIPTOR_A); 2304184610Salfred 2305184610Salfred sc->sc_hub_desc.hubd = ohci_hubd; 2306184610Salfred sc->sc_hub_desc.hubd.bNbrPorts = sc->sc_noport; 2307184610Salfred USETW(sc->sc_hub_desc.hubd.wHubCharacteristics, 2308184610Salfred (v & OHCI_NPS ? UHD_PWR_NO_SWITCH : 2309184610Salfred v & OHCI_PSM ? UHD_PWR_GANGED : UHD_PWR_INDIVIDUAL) 2310184610Salfred /* XXX overcurrent */ 2311184610Salfred ); 2312184610Salfred sc->sc_hub_desc.hubd.bPwrOn2PwrGood = OHCI_GET_POTPGT(v); 2313184610Salfred v = OREAD4(sc, OHCI_RH_DESCRIPTOR_B); 2314184610Salfred 2315184610Salfred for (l = 0; l < sc->sc_noport; l++) { 2316184610Salfred if (v & 1) { 2317184610Salfred sc->sc_hub_desc.hubd.DeviceRemovable[l / 8] |= (1 << (l % 8)); 2318184610Salfred } 2319184610Salfred v >>= 1; 2320184610Salfred } 2321184610Salfred sc->sc_hub_desc.hubd.bDescLength = 2322184610Salfred 8 + ((sc->sc_noport + 7) / 8); 2323191402Sthompsa len = sc->sc_hub_desc.hubd.bDescLength; 2324184610Salfred break; 2325184610Salfred 2326184610Salfred case C(UR_GET_STATUS, UT_READ_CLASS_DEVICE): 2327191402Sthompsa len = 16; 2328184610Salfred bzero(sc->sc_hub_desc.temp, 16); 2329184610Salfred break; 2330184610Salfred case C(UR_GET_STATUS, UT_READ_CLASS_OTHER): 2331184610Salfred DPRINTFN(9, "get port status i=%d\n", 2332184610Salfred index); 2333184610Salfred if ((index < 1) || 2334184610Salfred (index > sc->sc_noport)) { 2335191402Sthompsa err = USB_ERR_IOERROR; 2336184610Salfred goto done; 2337184610Salfred } 2338184610Salfred v = OREAD4(sc, OHCI_RH_PORT_STATUS(index)); 2339184610Salfred DPRINTFN(9, "port status=0x%04x\n", v); 2340184610Salfred USETW(sc->sc_hub_desc.ps.wPortStatus, v); 2341184610Salfred USETW(sc->sc_hub_desc.ps.wPortChange, v >> 16); 2342191402Sthompsa len = sizeof(sc->sc_hub_desc.ps); 2343184610Salfred break; 2344184610Salfred case C(UR_SET_DESCRIPTOR, UT_WRITE_CLASS_DEVICE): 2345191402Sthompsa err = USB_ERR_IOERROR; 2346184610Salfred goto done; 2347184610Salfred case C(UR_SET_FEATURE, UT_WRITE_CLASS_DEVICE): 2348184610Salfred break; 2349184610Salfred case C(UR_SET_FEATURE, UT_WRITE_CLASS_OTHER): 2350184610Salfred if ((index < 1) || 2351184610Salfred (index > sc->sc_noport)) { 2352191402Sthompsa err = USB_ERR_IOERROR; 2353184610Salfred goto done; 2354184610Salfred } 2355184610Salfred port = OHCI_RH_PORT_STATUS(index); 2356184610Salfred switch (value) { 2357184610Salfred case UHF_PORT_ENABLE: 2358184610Salfred OWRITE4(sc, port, UPS_PORT_ENABLED); 2359184610Salfred break; 2360184610Salfred case UHF_PORT_SUSPEND: 2361184610Salfred OWRITE4(sc, port, UPS_SUSPEND); 2362184610Salfred break; 2363184610Salfred case UHF_PORT_RESET: 2364184610Salfred DPRINTFN(6, "reset port %d\n", index); 2365184610Salfred OWRITE4(sc, port, UPS_RESET); 2366184610Salfred for (v = 0;; v++) { 2367184610Salfred if (v < 12) { 2368188983Sthompsa usb2_pause_mtx(&sc->sc_bus.bus_mtx, 2369188983Sthompsa USB_MS_TO_TICKS(USB_PORT_ROOT_RESET_DELAY)); 2370184610Salfred 2371184610Salfred if ((OREAD4(sc, port) & UPS_RESET) == 0) { 2372184610Salfred break; 2373184610Salfred } 2374184610Salfred } else { 2375191402Sthompsa err = USB_ERR_TIMEOUT; 2376184610Salfred goto done; 2377184610Salfred } 2378184610Salfred } 2379184610Salfred DPRINTFN(9, "ohci port %d reset, status = 0x%04x\n", 2380184610Salfred index, OREAD4(sc, port)); 2381184610Salfred break; 2382184610Salfred case UHF_PORT_POWER: 2383184610Salfred DPRINTFN(3, "set port power %d\n", index); 2384184610Salfred OWRITE4(sc, port, UPS_PORT_POWER); 2385184610Salfred break; 2386184610Salfred default: 2387191402Sthompsa err = USB_ERR_IOERROR; 2388184610Salfred goto done; 2389184610Salfred } 2390184610Salfred break; 2391184610Salfred default: 2392191402Sthompsa err = USB_ERR_IOERROR; 2393184610Salfred goto done; 2394184610Salfred } 2395184610Salfreddone: 2396191402Sthompsa *plength = len; 2397191402Sthompsa *pptr = ptr; 2398191402Sthompsa return (err); 2399184610Salfred} 2400184610Salfred 2401184610Salfredstatic void 2402184610Salfredohci_xfer_setup(struct usb2_setup_params *parm) 2403184610Salfred{ 2404184610Salfred struct usb2_page_search page_info; 2405184610Salfred struct usb2_page_cache *pc; 2406184610Salfred ohci_softc_t *sc; 2407184610Salfred struct usb2_xfer *xfer; 2408184610Salfred void *last_obj; 2409184610Salfred uint32_t ntd; 2410184610Salfred uint32_t nitd; 2411184610Salfred uint32_t nqh; 2412184610Salfred uint32_t n; 2413184610Salfred 2414184610Salfred sc = OHCI_BUS2SC(parm->udev->bus); 2415184610Salfred xfer = parm->curr_xfer; 2416184610Salfred 2417184610Salfred parm->hc_max_packet_size = 0x500; 2418184610Salfred parm->hc_max_packet_count = 1; 2419184610Salfred parm->hc_max_frame_size = OHCI_PAGE_SIZE; 2420184610Salfred 2421184610Salfred /* 2422184610Salfred * calculate ntd and nqh 2423184610Salfred */ 2424184610Salfred if (parm->methods == &ohci_device_ctrl_methods) { 2425184610Salfred xfer->flags_int.bdma_enable = 1; 2426184610Salfred 2427184610Salfred usb2_transfer_setup_sub(parm); 2428184610Salfred 2429184610Salfred nitd = 0; 2430184610Salfred ntd = ((2 * xfer->nframes) + 1 /* STATUS */ 2431190181Sthompsa + (xfer->max_data_length / xfer->max_hc_frame_size)); 2432184610Salfred nqh = 1; 2433184610Salfred 2434184610Salfred } else if (parm->methods == &ohci_device_bulk_methods) { 2435184610Salfred xfer->flags_int.bdma_enable = 1; 2436184610Salfred 2437184610Salfred usb2_transfer_setup_sub(parm); 2438184610Salfred 2439184610Salfred nitd = 0; 2440184610Salfred ntd = ((2 * xfer->nframes) 2441190181Sthompsa + (xfer->max_data_length / xfer->max_hc_frame_size)); 2442184610Salfred nqh = 1; 2443184610Salfred 2444184610Salfred } else if (parm->methods == &ohci_device_intr_methods) { 2445184610Salfred xfer->flags_int.bdma_enable = 1; 2446184610Salfred 2447184610Salfred usb2_transfer_setup_sub(parm); 2448184610Salfred 2449184610Salfred nitd = 0; 2450184610Salfred ntd = ((2 * xfer->nframes) 2451190181Sthompsa + (xfer->max_data_length / xfer->max_hc_frame_size)); 2452184610Salfred nqh = 1; 2453184610Salfred 2454184610Salfred } else if (parm->methods == &ohci_device_isoc_methods) { 2455184610Salfred xfer->flags_int.bdma_enable = 1; 2456184610Salfred 2457184610Salfred usb2_transfer_setup_sub(parm); 2458184610Salfred 2459184610Salfred nitd = ((xfer->max_data_length / OHCI_PAGE_SIZE) + 2460184610Salfred ((xfer->nframes + OHCI_ITD_NOFFSET - 1) / OHCI_ITD_NOFFSET) + 2461184610Salfred 1 /* EXTRA */ ); 2462184610Salfred ntd = 0; 2463184610Salfred nqh = 1; 2464184610Salfred 2465184610Salfred } else { 2466184610Salfred 2467184610Salfred usb2_transfer_setup_sub(parm); 2468184610Salfred 2469184610Salfred nitd = 0; 2470184610Salfred ntd = 0; 2471184610Salfred nqh = 0; 2472184610Salfred } 2473184610Salfred 2474184610Salfredalloc_dma_set: 2475184610Salfred 2476184610Salfred if (parm->err) { 2477184610Salfred return; 2478184610Salfred } 2479184610Salfred last_obj = NULL; 2480184610Salfred 2481184610Salfred if (usb2_transfer_setup_sub_malloc( 2482184610Salfred parm, &pc, sizeof(ohci_td_t), 2483184610Salfred OHCI_TD_ALIGN, ntd)) { 2484184610Salfred parm->err = USB_ERR_NOMEM; 2485184610Salfred return; 2486184610Salfred } 2487184610Salfred if (parm->buf) { 2488184610Salfred for (n = 0; n != ntd; n++) { 2489184610Salfred ohci_td_t *td; 2490184610Salfred 2491184610Salfred usb2_get_page(pc + n, 0, &page_info); 2492184610Salfred 2493184610Salfred td = page_info.buffer; 2494184610Salfred 2495184610Salfred /* init TD */ 2496184610Salfred td->td_self = htole32(page_info.physaddr); 2497184610Salfred td->obj_next = last_obj; 2498184610Salfred td->page_cache = pc + n; 2499184610Salfred 2500184610Salfred last_obj = td; 2501184610Salfred 2502184610Salfred usb2_pc_cpu_flush(pc + n); 2503184610Salfred } 2504184610Salfred } 2505184610Salfred if (usb2_transfer_setup_sub_malloc( 2506184610Salfred parm, &pc, sizeof(ohci_itd_t), 2507184610Salfred OHCI_ITD_ALIGN, nitd)) { 2508184610Salfred parm->err = USB_ERR_NOMEM; 2509184610Salfred return; 2510184610Salfred } 2511184610Salfred if (parm->buf) { 2512184610Salfred for (n = 0; n != nitd; n++) { 2513184610Salfred ohci_itd_t *itd; 2514184610Salfred 2515184610Salfred usb2_get_page(pc + n, 0, &page_info); 2516184610Salfred 2517184610Salfred itd = page_info.buffer; 2518184610Salfred 2519184610Salfred /* init TD */ 2520184610Salfred itd->itd_self = htole32(page_info.physaddr); 2521184610Salfred itd->obj_next = last_obj; 2522184610Salfred itd->page_cache = pc + n; 2523184610Salfred 2524184610Salfred last_obj = itd; 2525184610Salfred 2526184610Salfred usb2_pc_cpu_flush(pc + n); 2527184610Salfred } 2528184610Salfred } 2529184610Salfred xfer->td_start[xfer->flags_int.curr_dma_set] = last_obj; 2530184610Salfred 2531184610Salfred last_obj = NULL; 2532184610Salfred 2533184610Salfred if (usb2_transfer_setup_sub_malloc( 2534184610Salfred parm, &pc, sizeof(ohci_ed_t), 2535184610Salfred OHCI_ED_ALIGN, nqh)) { 2536184610Salfred parm->err = USB_ERR_NOMEM; 2537184610Salfred return; 2538184610Salfred } 2539184610Salfred if (parm->buf) { 2540184610Salfred for (n = 0; n != nqh; n++) { 2541184610Salfred ohci_ed_t *ed; 2542184610Salfred 2543184610Salfred usb2_get_page(pc + n, 0, &page_info); 2544184610Salfred 2545184610Salfred ed = page_info.buffer; 2546184610Salfred 2547184610Salfred /* init QH */ 2548184610Salfred ed->ed_self = htole32(page_info.physaddr); 2549184610Salfred ed->obj_next = last_obj; 2550184610Salfred ed->page_cache = pc + n; 2551184610Salfred 2552184610Salfred last_obj = ed; 2553184610Salfred 2554184610Salfred usb2_pc_cpu_flush(pc + n); 2555184610Salfred } 2556184610Salfred } 2557184610Salfred xfer->qh_start[xfer->flags_int.curr_dma_set] = last_obj; 2558184610Salfred 2559184610Salfred if (!xfer->flags_int.curr_dma_set) { 2560184610Salfred xfer->flags_int.curr_dma_set = 1; 2561184610Salfred goto alloc_dma_set; 2562184610Salfred } 2563184610Salfred} 2564184610Salfred 2565184610Salfredstatic void 2566184610Salfredohci_pipe_init(struct usb2_device *udev, struct usb2_endpoint_descriptor *edesc, 2567184610Salfred struct usb2_pipe *pipe) 2568184610Salfred{ 2569184610Salfred ohci_softc_t *sc = OHCI_BUS2SC(udev->bus); 2570184610Salfred 2571184610Salfred DPRINTFN(2, "pipe=%p, addr=%d, endpt=%d, mode=%d (%d)\n", 2572184610Salfred pipe, udev->address, 2573192499Sthompsa edesc->bEndpointAddress, udev->flags.usb_mode, 2574184610Salfred sc->sc_addr); 2575184610Salfred 2576192499Sthompsa if (udev->flags.usb_mode != USB_MODE_HOST) { 2577184610Salfred /* not supported */ 2578184610Salfred return; 2579184610Salfred } 2580190735Sthompsa if (udev->device_index != sc->sc_addr) { 2581184610Salfred switch (edesc->bmAttributes & UE_XFERTYPE) { 2582184610Salfred case UE_CONTROL: 2583184610Salfred pipe->methods = &ohci_device_ctrl_methods; 2584184610Salfred break; 2585184610Salfred case UE_INTERRUPT: 2586184610Salfred pipe->methods = &ohci_device_intr_methods; 2587184610Salfred break; 2588184610Salfred case UE_ISOCHRONOUS: 2589184610Salfred if (udev->speed == USB_SPEED_FULL) { 2590184610Salfred pipe->methods = &ohci_device_isoc_methods; 2591184610Salfred } 2592184610Salfred break; 2593184610Salfred case UE_BULK: 2594184610Salfred if (udev->speed != USB_SPEED_LOW) { 2595184610Salfred pipe->methods = &ohci_device_bulk_methods; 2596184610Salfred } 2597184610Salfred break; 2598184610Salfred default: 2599184610Salfred /* do nothing */ 2600184610Salfred break; 2601184610Salfred } 2602184610Salfred } 2603184610Salfred} 2604184610Salfred 2605184610Salfredstatic void 2606184610Salfredohci_xfer_unsetup(struct usb2_xfer *xfer) 2607184610Salfred{ 2608184610Salfred return; 2609184610Salfred} 2610184610Salfred 2611184610Salfredstatic void 2612184610Salfredohci_get_dma_delay(struct usb2_bus *bus, uint32_t *pus) 2613184610Salfred{ 2614184610Salfred /* 2615184610Salfred * Wait until hardware has finished any possible use of the 2616184610Salfred * transfer descriptor(s) and QH 2617184610Salfred */ 2618184610Salfred *pus = (1125); /* microseconds */ 2619184610Salfred} 2620184610Salfred 2621186730Salfredstatic void 2622186730Salfredohci_device_resume(struct usb2_device *udev) 2623186730Salfred{ 2624186730Salfred struct ohci_softc *sc = OHCI_BUS2SC(udev->bus); 2625186730Salfred struct usb2_xfer *xfer; 2626186730Salfred struct usb2_pipe_methods *methods; 2627186730Salfred ohci_ed_t *ed; 2628186730Salfred 2629186730Salfred DPRINTF("\n"); 2630186730Salfred 2631186730Salfred USB_BUS_LOCK(udev->bus); 2632186730Salfred 2633186730Salfred TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { 2634186730Salfred 2635187173Sthompsa if (xfer->xroot->udev == udev) { 2636186730Salfred 2637186730Salfred methods = xfer->pipe->methods; 2638186730Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 2639186730Salfred 2640186730Salfred if (methods == &ohci_device_bulk_methods) { 2641186730Salfred OHCI_APPEND_QH(ed, sc->sc_bulk_p_last); 2642186730Salfred OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_BLF); 2643186730Salfred } 2644186730Salfred if (methods == &ohci_device_ctrl_methods) { 2645186730Salfred OHCI_APPEND_QH(ed, sc->sc_ctrl_p_last); 2646186730Salfred OWRITE4(sc, OHCI_COMMAND_STATUS, OHCI_CLF); 2647186730Salfred } 2648186730Salfred if (methods == &ohci_device_intr_methods) { 2649186730Salfred OHCI_APPEND_QH(ed, sc->sc_intr_p_last[xfer->qh_pos]); 2650186730Salfred } 2651186730Salfred } 2652186730Salfred } 2653186730Salfred 2654186730Salfred USB_BUS_UNLOCK(udev->bus); 2655186730Salfred 2656186730Salfred return; 2657186730Salfred} 2658186730Salfred 2659186730Salfredstatic void 2660186730Salfredohci_device_suspend(struct usb2_device *udev) 2661186730Salfred{ 2662186730Salfred struct ohci_softc *sc = OHCI_BUS2SC(udev->bus); 2663186730Salfred struct usb2_xfer *xfer; 2664186730Salfred struct usb2_pipe_methods *methods; 2665186730Salfred ohci_ed_t *ed; 2666186730Salfred 2667186730Salfred DPRINTF("\n"); 2668186730Salfred 2669186730Salfred USB_BUS_LOCK(udev->bus); 2670186730Salfred 2671186730Salfred TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { 2672186730Salfred 2673187173Sthompsa if (xfer->xroot->udev == udev) { 2674186730Salfred 2675186730Salfred methods = xfer->pipe->methods; 2676186730Salfred ed = xfer->qh_start[xfer->flags_int.curr_dma_set]; 2677186730Salfred 2678186730Salfred if (methods == &ohci_device_bulk_methods) { 2679186730Salfred OHCI_REMOVE_QH(ed, sc->sc_bulk_p_last); 2680186730Salfred } 2681186730Salfred if (methods == &ohci_device_ctrl_methods) { 2682186730Salfred OHCI_REMOVE_QH(ed, sc->sc_ctrl_p_last); 2683186730Salfred } 2684186730Salfred if (methods == &ohci_device_intr_methods) { 2685186730Salfred OHCI_REMOVE_QH(ed, sc->sc_intr_p_last[xfer->qh_pos]); 2686186730Salfred } 2687186730Salfred } 2688186730Salfred } 2689186730Salfred 2690186730Salfred USB_BUS_UNLOCK(udev->bus); 2691186730Salfred 2692186730Salfred return; 2693186730Salfred} 2694186730Salfred 2695186730Salfredstatic void 2696186730Salfredohci_set_hw_power(struct usb2_bus *bus) 2697186730Salfred{ 2698186730Salfred struct ohci_softc *sc = OHCI_BUS2SC(bus); 2699186730Salfred uint32_t temp; 2700186730Salfred uint32_t flags; 2701186730Salfred 2702186730Salfred DPRINTF("\n"); 2703186730Salfred 2704186730Salfred USB_BUS_LOCK(bus); 2705186730Salfred 2706186730Salfred flags = bus->hw_power_state; 2707186730Salfred 2708186730Salfred temp = OREAD4(sc, OHCI_CONTROL); 2709186730Salfred temp &= ~(OHCI_PLE | OHCI_IE | OHCI_CLE | OHCI_BLE); 2710186730Salfred 2711186730Salfred if (flags & USB_HW_POWER_CONTROL) 2712186730Salfred temp |= OHCI_CLE; 2713186730Salfred 2714186730Salfred if (flags & USB_HW_POWER_BULK) 2715186730Salfred temp |= OHCI_BLE; 2716186730Salfred 2717186730Salfred if (flags & USB_HW_POWER_INTERRUPT) 2718186730Salfred temp |= OHCI_PLE; 2719186730Salfred 2720186730Salfred if (flags & USB_HW_POWER_ISOC) 2721186730Salfred temp |= OHCI_IE | OHCI_PLE; 2722186730Salfred 2723186730Salfred OWRITE4(sc, OHCI_CONTROL, temp); 2724186730Salfred 2725186730Salfred USB_BUS_UNLOCK(bus); 2726186730Salfred 2727186730Salfred return; 2728186730Salfred} 2729186730Salfred 2730184610Salfredstruct usb2_bus_methods ohci_bus_methods = 2731184610Salfred{ 2732184610Salfred .pipe_init = ohci_pipe_init, 2733184610Salfred .xfer_setup = ohci_xfer_setup, 2734184610Salfred .xfer_unsetup = ohci_xfer_unsetup, 2735184610Salfred .get_dma_delay = ohci_get_dma_delay, 2736186730Salfred .device_resume = ohci_device_resume, 2737186730Salfred .device_suspend = ohci_device_suspend, 2738186730Salfred .set_hw_power = ohci_set_hw_power, 2739190735Sthompsa .roothub_exec = ohci_roothub_exec, 2740184610Salfred}; 2741