1184610Salfred/* $FreeBSD$ */ 2184610Salfred/*- 3189002Sed * Copyright (c) 2008 Hans Petter Selasky <hselasky@FreeBSD.org> 4184610Salfred * 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/* 29184610Salfred * This file contains the driver for the USS820 series USB Device 30184610Salfred * Controller 31184610Salfred * 32190754Sthompsa * NOTE: The datasheet does not document everything. 33184610Salfred */ 34184610Salfred 35246122Shselasky#ifdef USB_GLOBAL_INCLUDE_FILE 36246122Shselasky#include USB_GLOBAL_INCLUDE_FILE 37246122Shselasky#else 38194677Sthompsa#include <sys/stdint.h> 39194677Sthompsa#include <sys/stddef.h> 40194677Sthompsa#include <sys/param.h> 41194677Sthompsa#include <sys/queue.h> 42194677Sthompsa#include <sys/types.h> 43194677Sthompsa#include <sys/systm.h> 44194677Sthompsa#include <sys/kernel.h> 45194677Sthompsa#include <sys/bus.h> 46194677Sthompsa#include <sys/module.h> 47194677Sthompsa#include <sys/lock.h> 48194677Sthompsa#include <sys/mutex.h> 49194677Sthompsa#include <sys/condvar.h> 50194677Sthompsa#include <sys/sysctl.h> 51194677Sthompsa#include <sys/sx.h> 52194677Sthompsa#include <sys/unistd.h> 53194677Sthompsa#include <sys/callout.h> 54194677Sthompsa#include <sys/malloc.h> 55194677Sthompsa#include <sys/priv.h> 56194677Sthompsa 57188942Sthompsa#include <dev/usb/usb.h> 58194677Sthompsa#include <dev/usb/usbdi.h> 59184610Salfred 60184610Salfred#define USB_DEBUG_VAR uss820dcidebug 61184610Salfred 62188942Sthompsa#include <dev/usb/usb_core.h> 63188942Sthompsa#include <dev/usb/usb_debug.h> 64188942Sthompsa#include <dev/usb/usb_busdma.h> 65188942Sthompsa#include <dev/usb/usb_process.h> 66188942Sthompsa#include <dev/usb/usb_transfer.h> 67188942Sthompsa#include <dev/usb/usb_device.h> 68188942Sthompsa#include <dev/usb/usb_hub.h> 69188942Sthompsa#include <dev/usb/usb_util.h> 70184610Salfred 71188942Sthompsa#include <dev/usb/usb_controller.h> 72188942Sthompsa#include <dev/usb/usb_bus.h> 73246122Shselasky#endif /* USB_GLOBAL_INCLUDE_FILE */ 74246122Shselasky 75188942Sthompsa#include <dev/usb/controller/uss820dci.h> 76184610Salfred 77184610Salfred#define USS820_DCI_BUS2SC(bus) \ 78184610Salfred ((struct uss820dci_softc *)(((uint8_t *)(bus)) - \ 79190181Sthompsa ((uint8_t *)&(((struct uss820dci_softc *)0)->sc_bus)))) 80184610Salfred 81184610Salfred#define USS820_DCI_PC2SC(pc) \ 82190180Sthompsa USS820_DCI_BUS2SC(USB_DMATAG_TO_XROOT((pc)->tag_parent)->bus) 83184610Salfred 84207077Sthompsa#ifdef USB_DEBUG 85184610Salfredstatic int uss820dcidebug = 0; 86184610Salfred 87227309Sedstatic SYSCTL_NODE(_hw_usb, OID_AUTO, uss820dci, CTLFLAG_RW, 0, 88227309Sed "USB uss820dci"); 89192502SthompsaSYSCTL_INT(_hw_usb_uss820dci, OID_AUTO, debug, CTLFLAG_RW, 90184610Salfred &uss820dcidebug, 0, "uss820dci debug level"); 91184610Salfred#endif 92184610Salfred 93184610Salfred#define USS820_DCI_INTR_ENDPT 1 94184610Salfred 95184610Salfred/* prototypes */ 96184610Salfred 97192984Sthompsastruct usb_bus_methods uss820dci_bus_methods; 98192984Sthompsastruct usb_pipe_methods uss820dci_device_bulk_methods; 99192984Sthompsastruct usb_pipe_methods uss820dci_device_ctrl_methods; 100192984Sthompsastruct usb_pipe_methods uss820dci_device_intr_methods; 101192984Sthompsastruct usb_pipe_methods uss820dci_device_isoc_fs_methods; 102184610Salfred 103184610Salfredstatic uss820dci_cmd_t uss820dci_setup_rx; 104184610Salfredstatic uss820dci_cmd_t uss820dci_data_rx; 105184610Salfredstatic uss820dci_cmd_t uss820dci_data_tx; 106184610Salfredstatic uss820dci_cmd_t uss820dci_data_tx_sync; 107193045Sthompsastatic void uss820dci_device_done(struct usb_xfer *, usb_error_t); 108192984Sthompsastatic void uss820dci_do_poll(struct usb_bus *); 109192984Sthompsastatic void uss820dci_standard_done(struct usb_xfer *); 110192984Sthompsastatic void uss820dci_intr_set(struct usb_xfer *, uint8_t); 111185948Sthompsastatic void uss820dci_update_shared_1(struct uss820dci_softc *, uint8_t, 112185948Sthompsa uint8_t, uint8_t); 113190735Sthompsastatic void uss820dci_root_intr(struct uss820dci_softc *); 114184610Salfred 115184610Salfred/* 116184610Salfred * Here is a list of what the USS820D chip can support. The main 117184610Salfred * limitation is that the sum of the buffer sizes must be less than 118184610Salfred * 1120 bytes. 119184610Salfred */ 120192984Sthompsastatic const struct usb_hw_ep_profile 121184610Salfred uss820dci_ep_profile[] = { 122184610Salfred 123184610Salfred [0] = { 124184610Salfred .max_in_frame_size = 32, 125184610Salfred .max_out_frame_size = 32, 126184610Salfred .is_simplex = 0, 127184610Salfred .support_control = 1, 128184610Salfred }, 129184610Salfred [1] = { 130184610Salfred .max_in_frame_size = 64, 131184610Salfred .max_out_frame_size = 64, 132184610Salfred .is_simplex = 0, 133184610Salfred .support_multi_buffer = 1, 134184610Salfred .support_bulk = 1, 135184610Salfred .support_interrupt = 1, 136184610Salfred .support_in = 1, 137184610Salfred .support_out = 1, 138184610Salfred }, 139184610Salfred [2] = { 140184610Salfred .max_in_frame_size = 8, 141184610Salfred .max_out_frame_size = 8, 142184610Salfred .is_simplex = 0, 143184610Salfred .support_multi_buffer = 1, 144184610Salfred .support_bulk = 1, 145184610Salfred .support_interrupt = 1, 146184610Salfred .support_in = 1, 147184610Salfred .support_out = 1, 148184610Salfred }, 149184610Salfred [3] = { 150184610Salfred .max_in_frame_size = 256, 151184610Salfred .max_out_frame_size = 256, 152184610Salfred .is_simplex = 0, 153184610Salfred .support_multi_buffer = 1, 154184610Salfred .support_isochronous = 1, 155184610Salfred .support_in = 1, 156184610Salfred .support_out = 1, 157184610Salfred }, 158184610Salfred}; 159184610Salfred 160184610Salfredstatic void 161184610Salfreduss820dci_update_shared_1(struct uss820dci_softc *sc, uint8_t reg, 162184610Salfred uint8_t keep_mask, uint8_t set_mask) 163184610Salfred{ 164184610Salfred uint8_t temp; 165184610Salfred 166184610Salfred USS820_WRITE_1(sc, USS820_PEND, 1); 167184610Salfred temp = USS820_READ_1(sc, reg); 168184610Salfred temp &= (keep_mask); 169184610Salfred temp |= (set_mask); 170184610Salfred USS820_WRITE_1(sc, reg, temp); 171184610Salfred USS820_WRITE_1(sc, USS820_PEND, 0); 172184610Salfred} 173184610Salfred 174184610Salfredstatic void 175192984Sthompsauss820dci_get_hw_ep_profile(struct usb_device *udev, 176192984Sthompsa const struct usb_hw_ep_profile **ppf, uint8_t ep_addr) 177184610Salfred{ 178184610Salfred if (ep_addr == 0) { 179184610Salfred *ppf = uss820dci_ep_profile + 0; 180184610Salfred } else if (ep_addr < 5) { 181184610Salfred *ppf = uss820dci_ep_profile + 1; 182184610Salfred } else if (ep_addr < 7) { 183184610Salfred *ppf = uss820dci_ep_profile + 2; 184184610Salfred } else if (ep_addr == 7) { 185184610Salfred *ppf = uss820dci_ep_profile + 3; 186184610Salfred } else { 187184610Salfred *ppf = NULL; 188184610Salfred } 189184610Salfred} 190184610Salfred 191184610Salfredstatic void 192184610Salfreduss820dci_pull_up(struct uss820dci_softc *sc) 193184610Salfred{ 194184610Salfred uint8_t temp; 195184610Salfred 196184610Salfred /* pullup D+, if possible */ 197184610Salfred 198184610Salfred if (!sc->sc_flags.d_pulled_up && 199184610Salfred sc->sc_flags.port_powered) { 200184610Salfred sc->sc_flags.d_pulled_up = 1; 201184610Salfred 202184610Salfred DPRINTF("\n"); 203184610Salfred 204184610Salfred temp = USS820_READ_1(sc, USS820_MCSR); 205184610Salfred temp |= USS820_MCSR_DPEN; 206184610Salfred USS820_WRITE_1(sc, USS820_MCSR, temp); 207184610Salfred } 208184610Salfred} 209184610Salfred 210184610Salfredstatic void 211184610Salfreduss820dci_pull_down(struct uss820dci_softc *sc) 212184610Salfred{ 213184610Salfred uint8_t temp; 214184610Salfred 215184610Salfred /* pulldown D+, if possible */ 216184610Salfred 217184610Salfred if (sc->sc_flags.d_pulled_up) { 218184610Salfred sc->sc_flags.d_pulled_up = 0; 219184610Salfred 220184610Salfred DPRINTF("\n"); 221184610Salfred 222184610Salfred temp = USS820_READ_1(sc, USS820_MCSR); 223184610Salfred temp &= ~USS820_MCSR_DPEN; 224184610Salfred USS820_WRITE_1(sc, USS820_MCSR, temp); 225184610Salfred } 226184610Salfred} 227184610Salfred 228184610Salfredstatic void 229184610Salfreduss820dci_wakeup_peer(struct uss820dci_softc *sc) 230184610Salfred{ 231184610Salfred if (!(sc->sc_flags.status_suspend)) { 232184610Salfred return; 233184610Salfred } 234184610Salfred DPRINTFN(0, "not supported\n"); 235184610Salfred} 236184610Salfred 237184610Salfredstatic void 238184610Salfreduss820dci_set_address(struct uss820dci_softc *sc, uint8_t addr) 239184610Salfred{ 240184610Salfred DPRINTFN(5, "addr=%d\n", addr); 241184610Salfred 242184610Salfred USS820_WRITE_1(sc, USS820_FADDR, addr); 243184610Salfred} 244184610Salfred 245184610Salfredstatic uint8_t 246184610Salfreduss820dci_setup_rx(struct uss820dci_td *td) 247184610Salfred{ 248184610Salfred struct uss820dci_softc *sc; 249192984Sthompsa struct usb_device_request req; 250184610Salfred uint16_t count; 251184610Salfred uint8_t rx_stat; 252184610Salfred uint8_t temp; 253184610Salfred 254184610Salfred /* select the correct endpoint */ 255184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 256192448Sthompsa USS820_EPINDEX, td->ep_index); 257184610Salfred 258184610Salfred /* read out FIFO status */ 259184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 260192448Sthompsa USS820_RXSTAT); 261184610Salfred 262184610Salfred /* get pointer to softc */ 263184610Salfred sc = USS820_DCI_PC2SC(td->pc); 264184610Salfred 265184610Salfred DPRINTFN(5, "rx_stat=0x%02x rem=%u\n", rx_stat, td->remainder); 266184610Salfred 267184610Salfred if (!(rx_stat & USS820_RXSTAT_RXSETUP)) { 268184610Salfred goto not_complete; 269184610Salfred } 270190721Sthompsa /* clear did stall */ 271190721Sthompsa td->did_stall = 0; 272190721Sthompsa 273184610Salfred /* clear stall and all I/O */ 274184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, 275184610Salfred 0xFF ^ (USS820_EPCON_TXSTL | 276184610Salfred USS820_EPCON_RXSTL | 277184610Salfred USS820_EPCON_RXIE | 278184610Salfred USS820_EPCON_TXOE), 0); 279184610Salfred 280184610Salfred /* clear end overwrite flag */ 281184610Salfred uss820dci_update_shared_1(sc, USS820_RXSTAT, 282184610Salfred 0xFF ^ USS820_RXSTAT_EDOVW, 0); 283184610Salfred 284184610Salfred /* get the packet byte count */ 285184610Salfred count = bus_space_read_1(td->io_tag, td->io_hdl, 286192448Sthompsa USS820_RXCNTL); 287184610Salfred count |= (bus_space_read_1(td->io_tag, td->io_hdl, 288192448Sthompsa USS820_RXCNTH) << 8); 289184610Salfred count &= 0x3FF; 290184610Salfred 291184610Salfred /* verify data length */ 292184610Salfred if (count != td->remainder) { 293184610Salfred DPRINTFN(0, "Invalid SETUP packet " 294184610Salfred "length, %d bytes\n", count); 295190722Sthompsa goto setup_not_complete; 296184610Salfred } 297184610Salfred if (count != sizeof(req)) { 298184610Salfred DPRINTFN(0, "Unsupported SETUP packet " 299184610Salfred "length, %d bytes\n", count); 300190722Sthompsa goto setup_not_complete; 301184610Salfred } 302184610Salfred /* receive data */ 303184610Salfred bus_space_read_multi_1(td->io_tag, td->io_hdl, 304192448Sthompsa USS820_RXDAT, (void *)&req, sizeof(req)); 305184610Salfred 306184610Salfred /* read out FIFO status */ 307184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 308192448Sthompsa USS820_RXSTAT); 309184610Salfred 310184610Salfred if (rx_stat & (USS820_RXSTAT_EDOVW | 311184610Salfred USS820_RXSTAT_STOVW)) { 312184610Salfred DPRINTF("new SETUP packet received\n"); 313184610Salfred return (1); /* not complete */ 314184610Salfred } 315184610Salfred /* clear receive setup bit */ 316184610Salfred uss820dci_update_shared_1(sc, USS820_RXSTAT, 317184610Salfred 0xFF ^ (USS820_RXSTAT_RXSETUP | 318184610Salfred USS820_RXSTAT_EDOVW | 319184610Salfred USS820_RXSTAT_STOVW), 0); 320184610Salfred 321184610Salfred /* set RXFFRC bit */ 322184610Salfred temp = bus_space_read_1(td->io_tag, td->io_hdl, 323192448Sthompsa USS820_RXCON); 324184610Salfred temp |= USS820_RXCON_RXFFRC; 325184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 326192448Sthompsa USS820_RXCON, temp); 327184610Salfred 328184610Salfred /* copy data into real buffer */ 329194228Sthompsa usbd_copy_in(td->pc, 0, &req, sizeof(req)); 330184610Salfred 331184610Salfred td->offset = sizeof(req); 332184610Salfred td->remainder = 0; 333184610Salfred 334184610Salfred /* sneak peek the set address */ 335184610Salfred if ((req.bmRequestType == UT_WRITE_DEVICE) && 336184610Salfred (req.bRequest == UR_SET_ADDRESS)) { 337184610Salfred sc->sc_dv_addr = req.wValue[0] & 0x7F; 338184610Salfred } else { 339184610Salfred sc->sc_dv_addr = 0xFF; 340184610Salfred } 341205034Sthompsa 342205034Sthompsa /* reset TX FIFO */ 343205034Sthompsa temp = USS820_READ_1(sc, USS820_TXCON); 344205034Sthompsa temp |= USS820_TXCON_TXCLR; 345205034Sthompsa USS820_WRITE_1(sc, USS820_TXCON, temp); 346205034Sthompsa temp &= ~USS820_TXCON_TXCLR; 347205034Sthompsa USS820_WRITE_1(sc, USS820_TXCON, temp); 348205034Sthompsa 349184610Salfred return (0); /* complete */ 350184610Salfred 351190722Sthompsasetup_not_complete: 352190722Sthompsa 353190722Sthompsa /* set RXFFRC bit */ 354190722Sthompsa temp = bus_space_read_1(td->io_tag, td->io_hdl, 355192448Sthompsa USS820_RXCON); 356190722Sthompsa temp |= USS820_RXCON_RXFFRC; 357190722Sthompsa bus_space_write_1(td->io_tag, td->io_hdl, 358192448Sthompsa USS820_RXCON, temp); 359190722Sthompsa 360190722Sthompsa /* FALLTHROUGH */ 361190722Sthompsa 362184610Salfrednot_complete: 363190721Sthompsa /* abort any ongoing transfer */ 364190721Sthompsa if (!td->did_stall) { 365190721Sthompsa DPRINTFN(5, "stalling\n"); 366190721Sthompsa /* set stall */ 367190721Sthompsa uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, 368190721Sthompsa (USS820_EPCON_TXSTL | USS820_EPCON_RXSTL)); 369190721Sthompsa 370190721Sthompsa td->did_stall = 1; 371190721Sthompsa } 372190721Sthompsa 373184610Salfred /* clear end overwrite flag, if any */ 374184610Salfred if (rx_stat & USS820_RXSTAT_RXSETUP) { 375184610Salfred uss820dci_update_shared_1(sc, USS820_RXSTAT, 376184610Salfred 0xFF ^ (USS820_RXSTAT_EDOVW | 377184610Salfred USS820_RXSTAT_STOVW | 378184610Salfred USS820_RXSTAT_RXSETUP), 0); 379184610Salfred } 380184610Salfred return (1); /* not complete */ 381184610Salfred 382184610Salfred} 383184610Salfred 384184610Salfredstatic uint8_t 385184610Salfreduss820dci_data_rx(struct uss820dci_td *td) 386184610Salfred{ 387192984Sthompsa struct usb_page_search buf_res; 388184610Salfred uint16_t count; 389184610Salfred uint8_t rx_flag; 390184610Salfred uint8_t rx_stat; 391184610Salfred uint8_t rx_cntl; 392184610Salfred uint8_t to; 393184610Salfred uint8_t got_short; 394184610Salfred 395184610Salfred to = 2; /* don't loop forever! */ 396184610Salfred got_short = 0; 397184610Salfred 398184610Salfred /* select the correct endpoint */ 399192448Sthompsa bus_space_write_1(td->io_tag, td->io_hdl, USS820_EPINDEX, td->ep_index); 400184610Salfred 401184610Salfred /* check if any of the FIFO banks have data */ 402184610Salfredrepeat: 403184610Salfred /* read out FIFO flag */ 404184610Salfred rx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 405192448Sthompsa USS820_RXFLG); 406184610Salfred /* read out FIFO status */ 407184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 408192448Sthompsa USS820_RXSTAT); 409184610Salfred 410184610Salfred DPRINTFN(5, "rx_stat=0x%02x rx_flag=0x%02x rem=%u\n", 411184610Salfred rx_stat, rx_flag, td->remainder); 412184610Salfred 413184610Salfred if (rx_stat & (USS820_RXSTAT_RXSETUP | 414184610Salfred USS820_RXSTAT_RXSOVW | 415184610Salfred USS820_RXSTAT_EDOVW)) { 416184610Salfred if (td->remainder == 0) { 417184610Salfred /* 418184610Salfred * We are actually complete and have 419184610Salfred * received the next SETUP 420184610Salfred */ 421184610Salfred DPRINTFN(5, "faking complete\n"); 422184610Salfred return (0); /* complete */ 423184610Salfred } 424184610Salfred /* 425184610Salfred * USB Host Aborted the transfer. 426184610Salfred */ 427184610Salfred td->error = 1; 428184610Salfred return (0); /* complete */ 429184610Salfred } 430184610Salfred /* check for errors */ 431184610Salfred if (rx_flag & (USS820_RXFLG_RXOVF | 432184610Salfred USS820_RXFLG_RXURF)) { 433184610Salfred DPRINTFN(5, "overflow or underflow\n"); 434184610Salfred /* should not happen */ 435184610Salfred td->error = 1; 436184610Salfred return (0); /* complete */ 437184610Salfred } 438184610Salfred /* check status */ 439184610Salfred if (!(rx_flag & (USS820_RXFLG_RXFIF0 | 440184610Salfred USS820_RXFLG_RXFIF1))) { 441184610Salfred 442184610Salfred /* read out EPCON register */ 443184610Salfred /* enable RX input */ 444192552Sthompsa if (!td->did_enable) { 445184610Salfred uss820dci_update_shared_1(USS820_DCI_PC2SC(td->pc), 446184610Salfred USS820_EPCON, 0xFF, USS820_EPCON_RXIE); 447192552Sthompsa td->did_enable = 1; 448184610Salfred } 449184610Salfred return (1); /* not complete */ 450184610Salfred } 451184610Salfred /* get the packet byte count */ 452184610Salfred count = bus_space_read_1(td->io_tag, td->io_hdl, 453192448Sthompsa USS820_RXCNTL); 454184610Salfred 455184610Salfred count |= (bus_space_read_1(td->io_tag, td->io_hdl, 456192448Sthompsa USS820_RXCNTH) << 8); 457184610Salfred count &= 0x3FF; 458184610Salfred 459184610Salfred DPRINTFN(5, "count=0x%04x\n", count); 460184610Salfred 461184610Salfred /* verify the packet byte count */ 462184610Salfred if (count != td->max_packet_size) { 463184610Salfred if (count < td->max_packet_size) { 464184610Salfred /* we have a short packet */ 465184610Salfred td->short_pkt = 1; 466184610Salfred got_short = 1; 467184610Salfred } else { 468184610Salfred /* invalid USB packet */ 469184610Salfred td->error = 1; 470184610Salfred return (0); /* we are complete */ 471184610Salfred } 472184610Salfred } 473184610Salfred /* verify the packet byte count */ 474184610Salfred if (count > td->remainder) { 475184610Salfred /* invalid USB packet */ 476184610Salfred td->error = 1; 477184610Salfred return (0); /* we are complete */ 478184610Salfred } 479184610Salfred while (count > 0) { 480194228Sthompsa usbd_get_page(td->pc, td->offset, &buf_res); 481184610Salfred 482184610Salfred /* get correct length */ 483184610Salfred if (buf_res.length > count) { 484184610Salfred buf_res.length = count; 485184610Salfred } 486184610Salfred /* receive data */ 487184610Salfred bus_space_read_multi_1(td->io_tag, td->io_hdl, 488192448Sthompsa USS820_RXDAT, buf_res.buffer, buf_res.length); 489184610Salfred 490184610Salfred /* update counters */ 491184610Salfred count -= buf_res.length; 492184610Salfred td->offset += buf_res.length; 493184610Salfred td->remainder -= buf_res.length; 494184610Salfred } 495184610Salfred 496184610Salfred /* set RXFFRC bit */ 497184610Salfred rx_cntl = bus_space_read_1(td->io_tag, td->io_hdl, 498192448Sthompsa USS820_RXCON); 499184610Salfred rx_cntl |= USS820_RXCON_RXFFRC; 500184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 501192448Sthompsa USS820_RXCON, rx_cntl); 502184610Salfred 503184610Salfred /* check if we are complete */ 504184610Salfred if ((td->remainder == 0) || got_short) { 505184610Salfred if (td->short_pkt) { 506184610Salfred /* we are complete */ 507184610Salfred return (0); 508184610Salfred } 509184610Salfred /* else need to receive a zero length packet */ 510184610Salfred } 511184610Salfred if (--to) { 512184610Salfred goto repeat; 513184610Salfred } 514184610Salfred return (1); /* not complete */ 515184610Salfred} 516184610Salfred 517184610Salfredstatic uint8_t 518184610Salfreduss820dci_data_tx(struct uss820dci_td *td) 519184610Salfred{ 520192984Sthompsa struct usb_page_search buf_res; 521184610Salfred uint16_t count; 522184610Salfred uint16_t count_copy; 523184610Salfred uint8_t rx_stat; 524184610Salfred uint8_t tx_flag; 525184610Salfred uint8_t to; 526184610Salfred 527184610Salfred /* select the correct endpoint */ 528184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 529192448Sthompsa USS820_EPINDEX, td->ep_index); 530184610Salfred 531184610Salfred to = 2; /* don't loop forever! */ 532184610Salfred 533184610Salfredrepeat: 534184610Salfred /* read out TX FIFO flags */ 535184610Salfred tx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 536192448Sthompsa USS820_TXFLG); 537184610Salfred 538184610Salfred /* read out RX FIFO status last */ 539184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 540192448Sthompsa USS820_RXSTAT); 541184610Salfred 542184610Salfred DPRINTFN(5, "rx_stat=0x%02x tx_flag=0x%02x rem=%u\n", 543184610Salfred rx_stat, tx_flag, td->remainder); 544184610Salfred 545184610Salfred if (rx_stat & (USS820_RXSTAT_RXSETUP | 546184610Salfred USS820_RXSTAT_RXSOVW | 547184610Salfred USS820_RXSTAT_EDOVW)) { 548184610Salfred /* 549184610Salfred * The current transfer was aborted 550184610Salfred * by the USB Host 551184610Salfred */ 552184610Salfred td->error = 1; 553184610Salfred return (0); /* complete */ 554184610Salfred } 555184610Salfred if (tx_flag & (USS820_TXFLG_TXOVF | 556184610Salfred USS820_TXFLG_TXURF)) { 557184610Salfred td->error = 1; 558184610Salfred return (0); /* complete */ 559184610Salfred } 560184610Salfred if (tx_flag & USS820_TXFLG_TXFIF0) { 561184610Salfred if (tx_flag & USS820_TXFLG_TXFIF1) { 562184610Salfred return (1); /* not complete */ 563184610Salfred } 564184610Salfred } 565184610Salfred if ((!td->support_multi_buffer) && 566184610Salfred (tx_flag & (USS820_TXFLG_TXFIF0 | 567184610Salfred USS820_TXFLG_TXFIF1))) { 568184610Salfred return (1); /* not complete */ 569184610Salfred } 570184610Salfred count = td->max_packet_size; 571184610Salfred if (td->remainder < count) { 572184610Salfred /* we have a short packet */ 573184610Salfred td->short_pkt = 1; 574184610Salfred count = td->remainder; 575184610Salfred } 576184610Salfred count_copy = count; 577184610Salfred while (count > 0) { 578184610Salfred 579194228Sthompsa usbd_get_page(td->pc, td->offset, &buf_res); 580184610Salfred 581184610Salfred /* get correct length */ 582184610Salfred if (buf_res.length > count) { 583184610Salfred buf_res.length = count; 584184610Salfred } 585184610Salfred /* transmit data */ 586184610Salfred bus_space_write_multi_1(td->io_tag, td->io_hdl, 587192448Sthompsa USS820_TXDAT, buf_res.buffer, buf_res.length); 588184610Salfred 589184610Salfred /* update counters */ 590184610Salfred count -= buf_res.length; 591184610Salfred td->offset += buf_res.length; 592184610Salfred td->remainder -= buf_res.length; 593184610Salfred } 594184610Salfred 595184610Salfred /* post-write high packet byte count first */ 596184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 597192448Sthompsa USS820_TXCNTH, count_copy >> 8); 598184610Salfred 599184610Salfred /* post-write low packet byte count last */ 600184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 601192448Sthompsa USS820_TXCNTL, count_copy); 602184610Salfred 603184610Salfred /* 604184610Salfred * Enable TX output, which must happen after that we have written 605184610Salfred * data into the FIFO. This is undocumented. 606184610Salfred */ 607192552Sthompsa if (!td->did_enable) { 608184610Salfred uss820dci_update_shared_1(USS820_DCI_PC2SC(td->pc), 609184610Salfred USS820_EPCON, 0xFF, USS820_EPCON_TXOE); 610192552Sthompsa td->did_enable = 1; 611184610Salfred } 612184610Salfred /* check remainder */ 613184610Salfred if (td->remainder == 0) { 614184610Salfred if (td->short_pkt) { 615184610Salfred return (0); /* complete */ 616184610Salfred } 617184610Salfred /* else we need to transmit a short packet */ 618184610Salfred } 619184610Salfred if (--to) { 620184610Salfred goto repeat; 621184610Salfred } 622184610Salfred return (1); /* not complete */ 623184610Salfred} 624184610Salfred 625184610Salfredstatic uint8_t 626184610Salfreduss820dci_data_tx_sync(struct uss820dci_td *td) 627184610Salfred{ 628184610Salfred struct uss820dci_softc *sc; 629184610Salfred uint8_t rx_stat; 630184610Salfred uint8_t tx_flag; 631184610Salfred 632184610Salfred /* select the correct endpoint */ 633184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 634192448Sthompsa USS820_EPINDEX, td->ep_index); 635184610Salfred 636184610Salfred /* read out TX FIFO flag */ 637184610Salfred tx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 638192448Sthompsa USS820_TXFLG); 639184610Salfred 640184610Salfred /* read out RX FIFO status last */ 641184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 642192448Sthompsa USS820_RXSTAT); 643184610Salfred 644184610Salfred DPRINTFN(5, "rx_stat=0x%02x rem=%u\n", rx_stat, td->remainder); 645184610Salfred 646184610Salfred if (rx_stat & (USS820_RXSTAT_RXSETUP | 647184610Salfred USS820_RXSTAT_RXSOVW | 648184610Salfred USS820_RXSTAT_EDOVW)) { 649184610Salfred DPRINTFN(5, "faking complete\n"); 650184610Salfred /* Race condition */ 651184610Salfred return (0); /* complete */ 652184610Salfred } 653184610Salfred DPRINTFN(5, "tx_flag=0x%02x rem=%u\n", 654184610Salfred tx_flag, td->remainder); 655184610Salfred 656184610Salfred if (tx_flag & (USS820_TXFLG_TXOVF | 657184610Salfred USS820_TXFLG_TXURF)) { 658184610Salfred td->error = 1; 659184610Salfred return (0); /* complete */ 660184610Salfred } 661184610Salfred if (tx_flag & (USS820_TXFLG_TXFIF0 | 662184610Salfred USS820_TXFLG_TXFIF1)) { 663184610Salfred return (1); /* not complete */ 664184610Salfred } 665184610Salfred sc = USS820_DCI_PC2SC(td->pc); 666184610Salfred if (sc->sc_dv_addr != 0xFF) { 667184610Salfred /* write function address */ 668184610Salfred uss820dci_set_address(sc, sc->sc_dv_addr); 669184610Salfred } 670184610Salfred return (0); /* complete */ 671184610Salfred} 672184610Salfred 673184610Salfredstatic uint8_t 674192984Sthompsauss820dci_xfer_do_fifo(struct usb_xfer *xfer) 675184610Salfred{ 676184610Salfred struct uss820dci_td *td; 677184610Salfred 678184610Salfred DPRINTFN(9, "\n"); 679184610Salfred 680184610Salfred td = xfer->td_transfer_cache; 681184610Salfred while (1) { 682184610Salfred if ((td->func) (td)) { 683184610Salfred /* operation in progress */ 684184610Salfred break; 685184610Salfred } 686184610Salfred if (((void *)td) == xfer->td_transfer_last) { 687184610Salfred goto done; 688184610Salfred } 689184610Salfred if (td->error) { 690184610Salfred goto done; 691184610Salfred } else if (td->remainder > 0) { 692184610Salfred /* 693184610Salfred * We had a short transfer. If there is no alternate 694184610Salfred * next, stop processing ! 695184610Salfred */ 696184610Salfred if (!td->alt_next) { 697184610Salfred goto done; 698184610Salfred } 699184610Salfred } 700184610Salfred /* 701184610Salfred * Fetch the next transfer descriptor. 702184610Salfred */ 703184610Salfred td = td->obj_next; 704184610Salfred xfer->td_transfer_cache = td; 705184610Salfred } 706184610Salfred return (1); /* not complete */ 707184610Salfred 708184610Salfreddone: 709184610Salfred /* compute all actual lengths */ 710184610Salfred 711184610Salfred uss820dci_standard_done(xfer); 712184610Salfred 713184610Salfred return (0); /* complete */ 714184610Salfred} 715184610Salfred 716184610Salfredstatic void 717184610Salfreduss820dci_interrupt_poll(struct uss820dci_softc *sc) 718184610Salfred{ 719192984Sthompsa struct usb_xfer *xfer; 720184610Salfred 721184610Salfredrepeat: 722184610Salfred TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { 723184610Salfred if (!uss820dci_xfer_do_fifo(xfer)) { 724184610Salfred /* queue has been modified */ 725184610Salfred goto repeat; 726184610Salfred } 727184610Salfred } 728184610Salfred} 729184610Salfred 730184610Salfredstatic void 731184610Salfreduss820dci_wait_suspend(struct uss820dci_softc *sc, uint8_t on) 732184610Salfred{ 733184610Salfred uint8_t scr; 734184610Salfred uint8_t scratch; 735184610Salfred 736184610Salfred scr = USS820_READ_1(sc, USS820_SCR); 737184610Salfred scratch = USS820_READ_1(sc, USS820_SCRATCH); 738184610Salfred 739184610Salfred if (on) { 740184610Salfred scr |= USS820_SCR_IE_SUSP; 741184610Salfred scratch &= ~USS820_SCRATCH_IE_RESUME; 742184610Salfred } else { 743184610Salfred scr &= ~USS820_SCR_IE_SUSP; 744184610Salfred scratch |= USS820_SCRATCH_IE_RESUME; 745184610Salfred } 746184610Salfred 747184610Salfred USS820_WRITE_1(sc, USS820_SCR, scr); 748184610Salfred USS820_WRITE_1(sc, USS820_SCRATCH, scratch); 749184610Salfred} 750184610Salfred 751184610Salfredvoid 752184610Salfreduss820dci_interrupt(struct uss820dci_softc *sc) 753184610Salfred{ 754184610Salfred uint8_t ssr; 755184610Salfred uint8_t event; 756184610Salfred 757184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 758184610Salfred 759184610Salfred ssr = USS820_READ_1(sc, USS820_SSR); 760184610Salfred 761184610Salfred ssr &= (USS820_SSR_SUSPEND | 762184610Salfred USS820_SSR_RESUME | 763184610Salfred USS820_SSR_RESET); 764184610Salfred 765184610Salfred /* acknowledge all interrupts */ 766184610Salfred 767184610Salfred uss820dci_update_shared_1(sc, USS820_SSR, 0, 0); 768184610Salfred 769184610Salfred /* check for any bus state change interrupts */ 770184610Salfred 771184610Salfred if (ssr) { 772184610Salfred 773184610Salfred event = 0; 774184610Salfred 775184610Salfred if (ssr & USS820_SSR_RESET) { 776184610Salfred sc->sc_flags.status_bus_reset = 1; 777184610Salfred sc->sc_flags.status_suspend = 0; 778184610Salfred sc->sc_flags.change_suspend = 0; 779184610Salfred sc->sc_flags.change_connect = 1; 780184610Salfred 781184610Salfred /* disable resume interrupt */ 782184610Salfred uss820dci_wait_suspend(sc, 1); 783184610Salfred 784184610Salfred event = 1; 785184610Salfred } 786184610Salfred /* 787184610Salfred * If "RESUME" and "SUSPEND" is set at the same time 788184610Salfred * we interpret that like "RESUME". Resume is set when 789184610Salfred * there is at least 3 milliseconds of inactivity on 790184610Salfred * the USB BUS. 791184610Salfred */ 792184610Salfred if (ssr & USS820_SSR_RESUME) { 793184610Salfred if (sc->sc_flags.status_suspend) { 794184610Salfred sc->sc_flags.status_suspend = 0; 795184610Salfred sc->sc_flags.change_suspend = 1; 796184610Salfred /* disable resume interrupt */ 797184610Salfred uss820dci_wait_suspend(sc, 1); 798184610Salfred event = 1; 799184610Salfred } 800184610Salfred } else if (ssr & USS820_SSR_SUSPEND) { 801184610Salfred if (!sc->sc_flags.status_suspend) { 802184610Salfred sc->sc_flags.status_suspend = 1; 803184610Salfred sc->sc_flags.change_suspend = 1; 804184610Salfred /* enable resume interrupt */ 805184610Salfred uss820dci_wait_suspend(sc, 0); 806184610Salfred event = 1; 807184610Salfred } 808184610Salfred } 809184610Salfred if (event) { 810184610Salfred 811184610Salfred DPRINTF("real bus interrupt 0x%02x\n", ssr); 812184610Salfred 813184610Salfred /* complete root HUB interrupt endpoint */ 814190735Sthompsa uss820dci_root_intr(sc); 815184610Salfred } 816184610Salfred } 817184610Salfred /* acknowledge all SBI interrupts */ 818184610Salfred uss820dci_update_shared_1(sc, USS820_SBI, 0, 0); 819184610Salfred 820184610Salfred /* acknowledge all SBI1 interrupts */ 821184610Salfred uss820dci_update_shared_1(sc, USS820_SBI1, 0, 0); 822184610Salfred 823184610Salfred /* poll all active transfers */ 824184610Salfred uss820dci_interrupt_poll(sc); 825184610Salfred 826184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 827184610Salfred} 828184610Salfred 829184610Salfredstatic void 830184610Salfreduss820dci_setup_standard_chain_sub(struct uss820_std_temp *temp) 831184610Salfred{ 832184610Salfred struct uss820dci_td *td; 833184610Salfred 834184610Salfred /* get current Transfer Descriptor */ 835184610Salfred td = temp->td_next; 836184610Salfred temp->td = td; 837184610Salfred 838184610Salfred /* prepare for next TD */ 839184610Salfred temp->td_next = td->obj_next; 840184610Salfred 841184610Salfred /* fill out the Transfer Descriptor */ 842184610Salfred td->func = temp->func; 843184610Salfred td->pc = temp->pc; 844184610Salfred td->offset = temp->offset; 845184610Salfred td->remainder = temp->len; 846184610Salfred td->error = 0; 847192552Sthompsa td->did_enable = 0; 848192552Sthompsa td->did_stall = temp->did_stall; 849184610Salfred td->short_pkt = temp->short_pkt; 850184610Salfred td->alt_next = temp->setup_alt_next; 851184610Salfred} 852184610Salfred 853184610Salfredstatic void 854192984Sthompsauss820dci_setup_standard_chain(struct usb_xfer *xfer) 855184610Salfred{ 856184610Salfred struct uss820_std_temp temp; 857184610Salfred struct uss820dci_softc *sc; 858184610Salfred struct uss820dci_td *td; 859184610Salfred uint32_t x; 860184610Salfred uint8_t ep_no; 861184610Salfred 862184610Salfred DPRINTFN(9, "addr=%d endpt=%d sumlen=%d speed=%d\n", 863193644Sthompsa xfer->address, UE_GET_ADDR(xfer->endpointno), 864194228Sthompsa xfer->sumlen, usbd_get_speed(xfer->xroot->udev)); 865184610Salfred 866184610Salfred temp.max_frame_size = xfer->max_frame_size; 867184610Salfred 868184610Salfred td = xfer->td_start[0]; 869184610Salfred xfer->td_transfer_first = td; 870184610Salfred xfer->td_transfer_cache = td; 871184610Salfred 872184610Salfred /* setup temp */ 873184610Salfred 874199673Sthompsa temp.pc = NULL; 875184610Salfred temp.td = NULL; 876184610Salfred temp.td_next = xfer->td_start[0]; 877190183Sthompsa temp.offset = 0; 878184610Salfred temp.setup_alt_next = xfer->flags_int.short_frames_ok; 879192552Sthompsa temp.did_stall = !xfer->flags_int.control_stall; 880184610Salfred 881187173Sthompsa sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 882193644Sthompsa ep_no = (xfer->endpointno & UE_ADDR); 883184610Salfred 884184610Salfred /* check if we should prepend a setup message */ 885184610Salfred 886184610Salfred if (xfer->flags_int.control_xfr) { 887184610Salfred if (xfer->flags_int.control_hdr) { 888184610Salfred 889184610Salfred temp.func = &uss820dci_setup_rx; 890184610Salfred temp.len = xfer->frlengths[0]; 891184610Salfred temp.pc = xfer->frbuffers + 0; 892184610Salfred temp.short_pkt = temp.len ? 1 : 0; 893190183Sthompsa /* check for last frame */ 894190183Sthompsa if (xfer->nframes == 1) { 895190183Sthompsa /* no STATUS stage yet, SETUP is last */ 896190183Sthompsa if (xfer->flags_int.control_act) 897190183Sthompsa temp.setup_alt_next = 0; 898190183Sthompsa } 899184610Salfred 900184610Salfred uss820dci_setup_standard_chain_sub(&temp); 901184610Salfred } 902184610Salfred x = 1; 903184610Salfred } else { 904184610Salfred x = 0; 905184610Salfred } 906184610Salfred 907184610Salfred if (x != xfer->nframes) { 908193644Sthompsa if (xfer->endpointno & UE_DIR_IN) { 909184610Salfred temp.func = &uss820dci_data_tx; 910184610Salfred } else { 911184610Salfred temp.func = &uss820dci_data_rx; 912184610Salfred } 913184610Salfred 914184610Salfred /* setup "pc" pointer */ 915184610Salfred temp.pc = xfer->frbuffers + x; 916184610Salfred } 917184610Salfred while (x != xfer->nframes) { 918184610Salfred 919184610Salfred /* DATA0 / DATA1 message */ 920184610Salfred 921184610Salfred temp.len = xfer->frlengths[x]; 922184610Salfred 923184610Salfred x++; 924184610Salfred 925184610Salfred if (x == xfer->nframes) { 926190183Sthompsa if (xfer->flags_int.control_xfr) { 927190183Sthompsa if (xfer->flags_int.control_act) { 928190183Sthompsa temp.setup_alt_next = 0; 929190183Sthompsa } 930190183Sthompsa } else { 931190183Sthompsa temp.setup_alt_next = 0; 932190183Sthompsa } 933184610Salfred } 934184610Salfred if (temp.len == 0) { 935184610Salfred 936184610Salfred /* make sure that we send an USB packet */ 937184610Salfred 938184610Salfred temp.short_pkt = 0; 939184610Salfred 940184610Salfred } else { 941184610Salfred 942184610Salfred /* regular data transfer */ 943184610Salfred 944184610Salfred temp.short_pkt = (xfer->flags.force_short_xfer) ? 0 : 1; 945184610Salfred } 946184610Salfred 947184610Salfred uss820dci_setup_standard_chain_sub(&temp); 948184610Salfred 949184610Salfred if (xfer->flags_int.isochronous_xfr) { 950184610Salfred temp.offset += temp.len; 951184610Salfred } else { 952184610Salfred /* get next Page Cache pointer */ 953184610Salfred temp.pc = xfer->frbuffers + x; 954184610Salfred } 955184610Salfred } 956184610Salfred 957190183Sthompsa /* check for control transfer */ 958190183Sthompsa if (xfer->flags_int.control_xfr) { 959184610Salfred uint8_t need_sync; 960184610Salfred 961190183Sthompsa /* always setup a valid "pc" pointer for status and sync */ 962190183Sthompsa temp.pc = xfer->frbuffers + 0; 963184610Salfred temp.len = 0; 964184610Salfred temp.short_pkt = 0; 965190183Sthompsa temp.setup_alt_next = 0; 966184610Salfred 967190183Sthompsa /* check if we should append a status stage */ 968190183Sthompsa if (!xfer->flags_int.control_act) { 969190183Sthompsa 970190183Sthompsa /* 971190183Sthompsa * Send a DATA1 message and invert the current 972190183Sthompsa * endpoint direction. 973190183Sthompsa */ 974193644Sthompsa if (xfer->endpointno & UE_DIR_IN) { 975190183Sthompsa temp.func = &uss820dci_data_rx; 976190183Sthompsa need_sync = 0; 977190183Sthompsa } else { 978190183Sthompsa temp.func = &uss820dci_data_tx; 979190183Sthompsa need_sync = 1; 980190183Sthompsa } 981184610Salfred temp.len = 0; 982184610Salfred temp.short_pkt = 0; 983184610Salfred 984184610Salfred uss820dci_setup_standard_chain_sub(&temp); 985190183Sthompsa if (need_sync) { 986190183Sthompsa /* we need a SYNC point after TX */ 987190183Sthompsa temp.func = &uss820dci_data_tx_sync; 988190183Sthompsa uss820dci_setup_standard_chain_sub(&temp); 989190183Sthompsa } 990184610Salfred } 991184610Salfred } 992184610Salfred /* must have at least one frame! */ 993184610Salfred td = temp.td; 994184610Salfred xfer->td_transfer_last = td; 995184610Salfred} 996184610Salfred 997184610Salfredstatic void 998184610Salfreduss820dci_timeout(void *arg) 999184610Salfred{ 1000192984Sthompsa struct usb_xfer *xfer = arg; 1001184610Salfred 1002184610Salfred DPRINTF("xfer=%p\n", xfer); 1003184610Salfred 1004187173Sthompsa USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); 1005184610Salfred 1006184610Salfred /* transfer is transferred */ 1007184610Salfred uss820dci_device_done(xfer, USB_ERR_TIMEOUT); 1008184610Salfred} 1009184610Salfred 1010184610Salfredstatic void 1011192984Sthompsauss820dci_intr_set(struct usb_xfer *xfer, uint8_t set) 1012184610Salfred{ 1013187173Sthompsa struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 1014193644Sthompsa uint8_t ep_no = (xfer->endpointno & UE_ADDR); 1015184610Salfred uint8_t ep_reg; 1016184610Salfred uint8_t temp; 1017184610Salfred 1018193644Sthompsa DPRINTFN(15, "endpoint 0x%02x\n", xfer->endpointno); 1019184610Salfred 1020184610Salfred if (ep_no > 3) { 1021184610Salfred ep_reg = USS820_SBIE1; 1022184610Salfred } else { 1023184610Salfred ep_reg = USS820_SBIE; 1024184610Salfred } 1025184610Salfred 1026184610Salfred ep_no &= 3; 1027184610Salfred ep_no = 1 << (2 * ep_no); 1028184610Salfred 1029184610Salfred if (xfer->flags_int.control_xfr) { 1030184610Salfred if (xfer->flags_int.control_hdr) { 1031184610Salfred ep_no <<= 1; /* RX interrupt only */ 1032184610Salfred } else { 1033184610Salfred ep_no |= (ep_no << 1); /* RX and TX interrupt */ 1034184610Salfred } 1035184610Salfred } else { 1036193644Sthompsa if (!(xfer->endpointno & UE_DIR_IN)) { 1037184610Salfred ep_no <<= 1; 1038184610Salfred } 1039184610Salfred } 1040184610Salfred temp = USS820_READ_1(sc, ep_reg); 1041184610Salfred if (set) { 1042184610Salfred temp |= ep_no; 1043184610Salfred } else { 1044184610Salfred temp &= ~ep_no; 1045184610Salfred } 1046184610Salfred USS820_WRITE_1(sc, ep_reg, temp); 1047184610Salfred} 1048184610Salfred 1049184610Salfredstatic void 1050192984Sthompsauss820dci_start_standard_chain(struct usb_xfer *xfer) 1051184610Salfred{ 1052184610Salfred DPRINTFN(9, "\n"); 1053184610Salfred 1054184610Salfred /* poll one time */ 1055184610Salfred if (uss820dci_xfer_do_fifo(xfer)) { 1056184610Salfred 1057184610Salfred /* 1058184610Salfred * Only enable the endpoint interrupt when we are 1059184610Salfred * actually waiting for data, hence we are dealing 1060184610Salfred * with level triggered interrupts ! 1061184610Salfred */ 1062184610Salfred uss820dci_intr_set(xfer, 1); 1063184610Salfred 1064184610Salfred /* put transfer on interrupt queue */ 1065194228Sthompsa usbd_transfer_enqueue(&xfer->xroot->bus->intr_q, xfer); 1066184610Salfred 1067184610Salfred /* start timeout, if any */ 1068184610Salfred if (xfer->timeout != 0) { 1069194228Sthompsa usbd_transfer_timeout_ms(xfer, 1070184610Salfred &uss820dci_timeout, xfer->timeout); 1071184610Salfred } 1072184610Salfred } 1073184610Salfred} 1074184610Salfred 1075184610Salfredstatic void 1076190735Sthompsauss820dci_root_intr(struct uss820dci_softc *sc) 1077184610Salfred{ 1078184610Salfred DPRINTFN(9, "\n"); 1079184610Salfred 1080184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 1081184610Salfred 1082184610Salfred /* set port bit */ 1083184610Salfred sc->sc_hub_idata[0] = 0x02; /* we only have one port */ 1084184610Salfred 1085190735Sthompsa uhub_root_intr(&sc->sc_bus, sc->sc_hub_idata, 1086190735Sthompsa sizeof(sc->sc_hub_idata)); 1087184610Salfred} 1088184610Salfred 1089193045Sthompsastatic usb_error_t 1090192984Sthompsauss820dci_standard_done_sub(struct usb_xfer *xfer) 1091184610Salfred{ 1092184610Salfred struct uss820dci_td *td; 1093184610Salfred uint32_t len; 1094184610Salfred uint8_t error; 1095184610Salfred 1096184610Salfred DPRINTFN(9, "\n"); 1097184610Salfred 1098184610Salfred td = xfer->td_transfer_cache; 1099184610Salfred 1100184610Salfred do { 1101184610Salfred len = td->remainder; 1102184610Salfred 1103184610Salfred if (xfer->aframes != xfer->nframes) { 1104184610Salfred /* 1105184610Salfred * Verify the length and subtract 1106184610Salfred * the remainder from "frlengths[]": 1107184610Salfred */ 1108184610Salfred if (len > xfer->frlengths[xfer->aframes]) { 1109184610Salfred td->error = 1; 1110184610Salfred } else { 1111184610Salfred xfer->frlengths[xfer->aframes] -= len; 1112184610Salfred } 1113184610Salfred } 1114184610Salfred /* Check for transfer error */ 1115184610Salfred if (td->error) { 1116184610Salfred /* the transfer is finished */ 1117184610Salfred error = 1; 1118184610Salfred td = NULL; 1119184610Salfred break; 1120184610Salfred } 1121184610Salfred /* Check for short transfer */ 1122184610Salfred if (len > 0) { 1123184610Salfred if (xfer->flags_int.short_frames_ok) { 1124184610Salfred /* follow alt next */ 1125184610Salfred if (td->alt_next) { 1126184610Salfred td = td->obj_next; 1127184610Salfred } else { 1128184610Salfred td = NULL; 1129184610Salfred } 1130184610Salfred } else { 1131184610Salfred /* the transfer is finished */ 1132184610Salfred td = NULL; 1133184610Salfred } 1134184610Salfred error = 0; 1135184610Salfred break; 1136184610Salfred } 1137184610Salfred td = td->obj_next; 1138184610Salfred 1139184610Salfred /* this USB frame is complete */ 1140184610Salfred error = 0; 1141184610Salfred break; 1142184610Salfred 1143184610Salfred } while (0); 1144184610Salfred 1145184610Salfred /* update transfer cache */ 1146184610Salfred 1147184610Salfred xfer->td_transfer_cache = td; 1148184610Salfred 1149184610Salfred return (error ? 1150184610Salfred USB_ERR_STALLED : USB_ERR_NORMAL_COMPLETION); 1151184610Salfred} 1152184610Salfred 1153184610Salfredstatic void 1154192984Sthompsauss820dci_standard_done(struct usb_xfer *xfer) 1155184610Salfred{ 1156193045Sthompsa usb_error_t err = 0; 1157184610Salfred 1158193644Sthompsa DPRINTFN(13, "xfer=%p endpoint=%p transfer done\n", 1159193644Sthompsa xfer, xfer->endpoint); 1160184610Salfred 1161184610Salfred /* reset scanner */ 1162184610Salfred 1163184610Salfred xfer->td_transfer_cache = xfer->td_transfer_first; 1164184610Salfred 1165184610Salfred if (xfer->flags_int.control_xfr) { 1166184610Salfred 1167184610Salfred if (xfer->flags_int.control_hdr) { 1168184610Salfred 1169184610Salfred err = uss820dci_standard_done_sub(xfer); 1170184610Salfred } 1171184610Salfred xfer->aframes = 1; 1172184610Salfred 1173184610Salfred if (xfer->td_transfer_cache == NULL) { 1174184610Salfred goto done; 1175184610Salfred } 1176184610Salfred } 1177184610Salfred while (xfer->aframes != xfer->nframes) { 1178184610Salfred 1179184610Salfred err = uss820dci_standard_done_sub(xfer); 1180184610Salfred xfer->aframes++; 1181184610Salfred 1182184610Salfred if (xfer->td_transfer_cache == NULL) { 1183184610Salfred goto done; 1184184610Salfred } 1185184610Salfred } 1186184610Salfred 1187184610Salfred if (xfer->flags_int.control_xfr && 1188184610Salfred !xfer->flags_int.control_act) { 1189184610Salfred 1190184610Salfred err = uss820dci_standard_done_sub(xfer); 1191184610Salfred } 1192184610Salfreddone: 1193184610Salfred uss820dci_device_done(xfer, err); 1194184610Salfred} 1195184610Salfred 1196184610Salfred/*------------------------------------------------------------------------* 1197184610Salfred * uss820dci_device_done 1198184610Salfred * 1199184610Salfred * NOTE: this function can be called more than one time on the 1200184610Salfred * same USB transfer! 1201184610Salfred *------------------------------------------------------------------------*/ 1202184610Salfredstatic void 1203193045Sthompsauss820dci_device_done(struct usb_xfer *xfer, usb_error_t error) 1204184610Salfred{ 1205187173Sthompsa USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); 1206184610Salfred 1207193644Sthompsa DPRINTFN(2, "xfer=%p, endpoint=%p, error=%d\n", 1208193644Sthompsa xfer, xfer->endpoint, error); 1209184610Salfred 1210192499Sthompsa if (xfer->flags_int.usb_mode == USB_MODE_DEVICE) { 1211184610Salfred uss820dci_intr_set(xfer, 0); 1212184610Salfred } 1213184610Salfred /* dequeue transfer and start next transfer */ 1214194228Sthompsa usbd_transfer_done(xfer, error); 1215184610Salfred} 1216184610Salfred 1217184610Salfredstatic void 1218239214Shselaskyuss820dci_xfer_stall(struct usb_xfer *xfer) 1219239214Shselasky{ 1220239214Shselasky uss820dci_device_done(xfer, USB_ERR_STALLED); 1221239214Shselasky} 1222239214Shselasky 1223239214Shselaskystatic void 1224239214Shselaskyuss820dci_set_stall(struct usb_device *udev, 1225195121Sthompsa struct usb_endpoint *ep, uint8_t *did_stall) 1226184610Salfred{ 1227184610Salfred struct uss820dci_softc *sc; 1228184610Salfred uint8_t ep_no; 1229184610Salfred uint8_t ep_type; 1230184610Salfred uint8_t ep_dir; 1231184610Salfred uint8_t temp; 1232184610Salfred 1233184824Sthompsa USB_BUS_LOCK_ASSERT(udev->bus, MA_OWNED); 1234184610Salfred 1235193644Sthompsa DPRINTFN(5, "endpoint=%p\n", ep); 1236184610Salfred 1237184610Salfred /* set FORCESTALL */ 1238184610Salfred sc = USS820_DCI_BUS2SC(udev->bus); 1239193644Sthompsa ep_no = (ep->edesc->bEndpointAddress & UE_ADDR); 1240193644Sthompsa ep_dir = (ep->edesc->bEndpointAddress & (UE_DIR_IN | UE_DIR_OUT)); 1241193644Sthompsa ep_type = (ep->edesc->bmAttributes & UE_XFERTYPE); 1242184610Salfred 1243184610Salfred if (ep_type == UE_CONTROL) { 1244184610Salfred /* should not happen */ 1245184610Salfred return; 1246184610Salfred } 1247184610Salfred USS820_WRITE_1(sc, USS820_EPINDEX, ep_no); 1248184610Salfred 1249184610Salfred if (ep_dir == UE_DIR_IN) { 1250184610Salfred temp = USS820_EPCON_TXSTL; 1251184610Salfred } else { 1252184610Salfred temp = USS820_EPCON_RXSTL; 1253184610Salfred } 1254184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, temp); 1255184610Salfred} 1256184610Salfred 1257184610Salfredstatic void 1258184610Salfreduss820dci_clear_stall_sub(struct uss820dci_softc *sc, 1259184610Salfred uint8_t ep_no, uint8_t ep_type, uint8_t ep_dir) 1260184610Salfred{ 1261184610Salfred uint8_t temp; 1262184610Salfred 1263184610Salfred if (ep_type == UE_CONTROL) { 1264184610Salfred /* clearing stall is not needed */ 1265184610Salfred return; 1266184610Salfred } 1267184610Salfred /* select endpoint index */ 1268184610Salfred USS820_WRITE_1(sc, USS820_EPINDEX, ep_no); 1269184610Salfred 1270184610Salfred /* clear stall and disable I/O transfers */ 1271184610Salfred if (ep_dir == UE_DIR_IN) { 1272184610Salfred temp = 0xFF ^ (USS820_EPCON_TXOE | 1273184610Salfred USS820_EPCON_TXSTL); 1274184610Salfred } else { 1275184610Salfred temp = 0xFF ^ (USS820_EPCON_RXIE | 1276184610Salfred USS820_EPCON_RXSTL); 1277184610Salfred } 1278184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, temp, 0); 1279184610Salfred 1280184610Salfred if (ep_dir == UE_DIR_IN) { 1281184610Salfred /* reset data toggle */ 1282184610Salfred USS820_WRITE_1(sc, USS820_TXSTAT, 1283184610Salfred USS820_TXSTAT_TXSOVW); 1284184610Salfred 1285184610Salfred /* reset FIFO */ 1286184610Salfred temp = USS820_READ_1(sc, USS820_TXCON); 1287184610Salfred temp |= USS820_TXCON_TXCLR; 1288184610Salfred USS820_WRITE_1(sc, USS820_TXCON, temp); 1289184610Salfred temp &= ~USS820_TXCON_TXCLR; 1290184610Salfred USS820_WRITE_1(sc, USS820_TXCON, temp); 1291184610Salfred } else { 1292184610Salfred 1293184610Salfred /* reset data toggle */ 1294184610Salfred uss820dci_update_shared_1(sc, USS820_RXSTAT, 1295184610Salfred 0, USS820_RXSTAT_RXSOVW); 1296184610Salfred 1297184610Salfred /* reset FIFO */ 1298184610Salfred temp = USS820_READ_1(sc, USS820_RXCON); 1299184610Salfred temp |= USS820_RXCON_RXCLR; 1300184610Salfred temp &= ~USS820_RXCON_RXFFRC; 1301184610Salfred USS820_WRITE_1(sc, USS820_RXCON, temp); 1302184610Salfred temp &= ~USS820_RXCON_RXCLR; 1303184610Salfred USS820_WRITE_1(sc, USS820_RXCON, temp); 1304184610Salfred } 1305184610Salfred} 1306184610Salfred 1307184610Salfredstatic void 1308193644Sthompsauss820dci_clear_stall(struct usb_device *udev, struct usb_endpoint *ep) 1309184610Salfred{ 1310184610Salfred struct uss820dci_softc *sc; 1311192984Sthompsa struct usb_endpoint_descriptor *ed; 1312184610Salfred 1313184824Sthompsa USB_BUS_LOCK_ASSERT(udev->bus, MA_OWNED); 1314184610Salfred 1315193644Sthompsa DPRINTFN(5, "endpoint=%p\n", ep); 1316184610Salfred 1317184610Salfred /* check mode */ 1318192499Sthompsa if (udev->flags.usb_mode != USB_MODE_DEVICE) { 1319184610Salfred /* not supported */ 1320184610Salfred return; 1321184610Salfred } 1322184610Salfred /* get softc */ 1323184610Salfred sc = USS820_DCI_BUS2SC(udev->bus); 1324184610Salfred 1325184610Salfred /* get endpoint descriptor */ 1326193644Sthompsa ed = ep->edesc; 1327184610Salfred 1328184610Salfred /* reset endpoint */ 1329184610Salfred uss820dci_clear_stall_sub(sc, 1330184610Salfred (ed->bEndpointAddress & UE_ADDR), 1331184610Salfred (ed->bmAttributes & UE_XFERTYPE), 1332184610Salfred (ed->bEndpointAddress & (UE_DIR_IN | UE_DIR_OUT))); 1333184610Salfred} 1334184610Salfred 1335193045Sthompsausb_error_t 1336184610Salfreduss820dci_init(struct uss820dci_softc *sc) 1337184610Salfred{ 1338192984Sthompsa const struct usb_hw_ep_profile *pf; 1339184610Salfred uint8_t n; 1340184610Salfred uint8_t temp; 1341184610Salfred 1342184610Salfred DPRINTF("start\n"); 1343184610Salfred 1344184610Salfred /* set up the bus structure */ 1345184610Salfred sc->sc_bus.usbrev = USB_REV_1_1; 1346184610Salfred sc->sc_bus.methods = &uss820dci_bus_methods; 1347184610Salfred 1348184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 1349184610Salfred 1350184610Salfred /* we always have VBUS */ 1351184610Salfred sc->sc_flags.status_vbus = 1; 1352184610Salfred 1353184610Salfred /* reset the chip */ 1354184610Salfred USS820_WRITE_1(sc, USS820_SCR, USS820_SCR_SRESET); 1355184610Salfred DELAY(100); 1356184610Salfred USS820_WRITE_1(sc, USS820_SCR, 0); 1357184610Salfred 1358184610Salfred /* wait for reset to complete */ 1359184610Salfred for (n = 0;; n++) { 1360184610Salfred 1361184610Salfred temp = USS820_READ_1(sc, USS820_MCSR); 1362184610Salfred 1363184610Salfred if (temp & USS820_MCSR_INIT) { 1364184610Salfred break; 1365184610Salfred } 1366184610Salfred if (n == 100) { 1367184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1368184610Salfred return (USB_ERR_INVAL); 1369184610Salfred } 1370184610Salfred /* wait a little for things to stabilise */ 1371184610Salfred DELAY(100); 1372184610Salfred } 1373184610Salfred 1374184610Salfred /* do a pulldown */ 1375184610Salfred uss820dci_pull_down(sc); 1376184610Salfred 1377184610Salfred /* wait 10ms for pulldown to stabilise */ 1378194228Sthompsa usb_pause_mtx(&sc->sc_bus.bus_mtx, hz / 100); 1379184610Salfred 1380184610Salfred /* check hardware revision */ 1381184610Salfred temp = USS820_READ_1(sc, USS820_REV); 1382184610Salfred 1383184610Salfred if (temp < 0x13) { 1384184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1385184610Salfred return (USB_ERR_INVAL); 1386184610Salfred } 1387184610Salfred /* enable interrupts */ 1388184610Salfred USS820_WRITE_1(sc, USS820_SCR, 1389184610Salfred USS820_SCR_T_IRQ | 1390184610Salfred USS820_SCR_IE_RESET | 1391186730Salfred /* USS820_SCR_RWUPE | */ 1392184610Salfred USS820_SCR_IE_SUSP | 1393184610Salfred USS820_SCR_IRQPOL); 1394184610Salfred 1395184610Salfred /* enable interrupts */ 1396184610Salfred USS820_WRITE_1(sc, USS820_SCRATCH, 1397184610Salfred USS820_SCRATCH_IE_RESUME); 1398184610Salfred 1399184610Salfred /* enable features */ 1400184610Salfred USS820_WRITE_1(sc, USS820_MCSR, 1401184610Salfred USS820_MCSR_BDFEAT | 1402184610Salfred USS820_MCSR_FEAT); 1403184610Salfred 1404184610Salfred sc->sc_flags.mcsr_feat = 1; 1405184610Salfred 1406184610Salfred /* disable interrupts */ 1407184610Salfred USS820_WRITE_1(sc, USS820_SBIE, 0); 1408184610Salfred 1409184610Salfred /* disable interrupts */ 1410184610Salfred USS820_WRITE_1(sc, USS820_SBIE1, 0); 1411184610Salfred 1412184610Salfred /* disable all endpoints */ 1413184610Salfred for (n = 0; n != USS820_EP_MAX; n++) { 1414184610Salfred 1415184610Salfred /* select endpoint */ 1416184610Salfred USS820_WRITE_1(sc, USS820_EPINDEX, n); 1417184610Salfred 1418184610Salfred /* disable endpoint */ 1419184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, 0, 0); 1420184610Salfred } 1421184610Salfred 1422184610Salfred /* 1423184610Salfred * Initialise default values for some registers that cannot be 1424184610Salfred * changed during operation! 1425184610Salfred */ 1426184610Salfred for (n = 0; n != USS820_EP_MAX; n++) { 1427184610Salfred 1428184610Salfred uss820dci_get_hw_ep_profile(NULL, &pf, n); 1429184610Salfred 1430184610Salfred /* the maximum frame sizes should be the same */ 1431184610Salfred if (pf->max_in_frame_size != pf->max_out_frame_size) { 1432184610Salfred DPRINTF("Max frame size mismatch %u != %u\n", 1433184610Salfred pf->max_in_frame_size, pf->max_out_frame_size); 1434184610Salfred } 1435184610Salfred if (pf->support_isochronous) { 1436184610Salfred if (pf->max_in_frame_size <= 64) { 1437184610Salfred temp = (USS820_TXCON_FFSZ_16_64 | 1438184610Salfred USS820_TXCON_TXISO | 1439184610Salfred USS820_TXCON_ATM); 1440184610Salfred } else if (pf->max_in_frame_size <= 256) { 1441184610Salfred temp = (USS820_TXCON_FFSZ_64_256 | 1442184610Salfred USS820_TXCON_TXISO | 1443184610Salfred USS820_TXCON_ATM); 1444184610Salfred } else if (pf->max_in_frame_size <= 512) { 1445184610Salfred temp = (USS820_TXCON_FFSZ_8_512 | 1446184610Salfred USS820_TXCON_TXISO | 1447184610Salfred USS820_TXCON_ATM); 1448184610Salfred } else { /* 1024 bytes */ 1449184610Salfred temp = (USS820_TXCON_FFSZ_32_1024 | 1450184610Salfred USS820_TXCON_TXISO | 1451184610Salfred USS820_TXCON_ATM); 1452184610Salfred } 1453184610Salfred } else { 1454184610Salfred if ((pf->max_in_frame_size <= 8) && 1455184610Salfred (sc->sc_flags.mcsr_feat)) { 1456184610Salfred temp = (USS820_TXCON_FFSZ_8_512 | 1457184610Salfred USS820_TXCON_ATM); 1458184610Salfred } else if (pf->max_in_frame_size <= 16) { 1459184610Salfred temp = (USS820_TXCON_FFSZ_16_64 | 1460184610Salfred USS820_TXCON_ATM); 1461184610Salfred } else if ((pf->max_in_frame_size <= 32) && 1462184610Salfred (sc->sc_flags.mcsr_feat)) { 1463184610Salfred temp = (USS820_TXCON_FFSZ_32_1024 | 1464184610Salfred USS820_TXCON_ATM); 1465184610Salfred } else { /* 64 bytes */ 1466184610Salfred temp = (USS820_TXCON_FFSZ_64_256 | 1467184610Salfred USS820_TXCON_ATM); 1468184610Salfred } 1469184610Salfred } 1470184610Salfred 1471184610Salfred /* need to configure the chip early */ 1472184610Salfred 1473184610Salfred USS820_WRITE_1(sc, USS820_EPINDEX, n); 1474184610Salfred USS820_WRITE_1(sc, USS820_TXCON, temp); 1475184610Salfred USS820_WRITE_1(sc, USS820_RXCON, temp); 1476184610Salfred 1477184610Salfred if (pf->support_control) { 1478184610Salfred temp = USS820_EPCON_CTLEP | 1479184610Salfred USS820_EPCON_RXSPM | 1480184610Salfred USS820_EPCON_RXIE | 1481184610Salfred USS820_EPCON_RXEPEN | 1482184610Salfred USS820_EPCON_TXOE | 1483184610Salfred USS820_EPCON_TXEPEN; 1484184610Salfred } else { 1485184610Salfred temp = USS820_EPCON_RXEPEN | USS820_EPCON_TXEPEN; 1486184610Salfred } 1487184610Salfred 1488184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, temp); 1489184610Salfred } 1490184610Salfred 1491184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1492184610Salfred 1493184610Salfred /* catch any lost interrupts */ 1494184610Salfred 1495184610Salfred uss820dci_do_poll(&sc->sc_bus); 1496184610Salfred 1497184610Salfred return (0); /* success */ 1498184610Salfred} 1499184610Salfred 1500184610Salfredvoid 1501184610Salfreduss820dci_uninit(struct uss820dci_softc *sc) 1502184610Salfred{ 1503184610Salfred uint8_t temp; 1504184610Salfred 1505184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 1506184610Salfred 1507184610Salfred /* disable all interrupts */ 1508184610Salfred temp = USS820_READ_1(sc, USS820_SCR); 1509184610Salfred temp &= ~USS820_SCR_T_IRQ; 1510184610Salfred USS820_WRITE_1(sc, USS820_SCR, temp); 1511184610Salfred 1512184610Salfred sc->sc_flags.port_powered = 0; 1513184610Salfred sc->sc_flags.status_vbus = 0; 1514184610Salfred sc->sc_flags.status_bus_reset = 0; 1515184610Salfred sc->sc_flags.status_suspend = 0; 1516184610Salfred sc->sc_flags.change_suspend = 0; 1517184610Salfred sc->sc_flags.change_connect = 1; 1518184610Salfred 1519184610Salfred uss820dci_pull_down(sc); 1520184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1521184610Salfred} 1522184610Salfred 1523228483Shselaskystatic void 1524184610Salfreduss820dci_suspend(struct uss820dci_softc *sc) 1525184610Salfred{ 1526228483Shselasky /* TODO */ 1527184610Salfred} 1528184610Salfred 1529228483Shselaskystatic void 1530184610Salfreduss820dci_resume(struct uss820dci_softc *sc) 1531184610Salfred{ 1532228483Shselasky /* TODO */ 1533184610Salfred} 1534184610Salfred 1535184610Salfredstatic void 1536192984Sthompsauss820dci_do_poll(struct usb_bus *bus) 1537184610Salfred{ 1538184610Salfred struct uss820dci_softc *sc = USS820_DCI_BUS2SC(bus); 1539184610Salfred 1540184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 1541184610Salfred uss820dci_interrupt_poll(sc); 1542184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1543184610Salfred} 1544184610Salfred 1545184610Salfred/*------------------------------------------------------------------------* 1546184610Salfred * at91dci bulk support 1547184610Salfred *------------------------------------------------------------------------*/ 1548184610Salfredstatic void 1549192984Sthompsauss820dci_device_bulk_open(struct usb_xfer *xfer) 1550184610Salfred{ 1551184610Salfred return; 1552184610Salfred} 1553184610Salfred 1554184610Salfredstatic void 1555192984Sthompsauss820dci_device_bulk_close(struct usb_xfer *xfer) 1556184610Salfred{ 1557184610Salfred uss820dci_device_done(xfer, USB_ERR_CANCELLED); 1558184610Salfred} 1559184610Salfred 1560184610Salfredstatic void 1561192984Sthompsauss820dci_device_bulk_enter(struct usb_xfer *xfer) 1562184610Salfred{ 1563184610Salfred return; 1564184610Salfred} 1565184610Salfred 1566184610Salfredstatic void 1567192984Sthompsauss820dci_device_bulk_start(struct usb_xfer *xfer) 1568184610Salfred{ 1569184610Salfred /* setup TDs */ 1570184610Salfred uss820dci_setup_standard_chain(xfer); 1571184610Salfred uss820dci_start_standard_chain(xfer); 1572184610Salfred} 1573184610Salfred 1574192984Sthompsastruct usb_pipe_methods uss820dci_device_bulk_methods = 1575184610Salfred{ 1576184610Salfred .open = uss820dci_device_bulk_open, 1577184610Salfred .close = uss820dci_device_bulk_close, 1578184610Salfred .enter = uss820dci_device_bulk_enter, 1579184610Salfred .start = uss820dci_device_bulk_start, 1580184610Salfred}; 1581184610Salfred 1582184610Salfred/*------------------------------------------------------------------------* 1583184610Salfred * at91dci control support 1584184610Salfred *------------------------------------------------------------------------*/ 1585184610Salfredstatic void 1586192984Sthompsauss820dci_device_ctrl_open(struct usb_xfer *xfer) 1587184610Salfred{ 1588184610Salfred return; 1589184610Salfred} 1590184610Salfred 1591184610Salfredstatic void 1592192984Sthompsauss820dci_device_ctrl_close(struct usb_xfer *xfer) 1593184610Salfred{ 1594184610Salfred uss820dci_device_done(xfer, USB_ERR_CANCELLED); 1595184610Salfred} 1596184610Salfred 1597184610Salfredstatic void 1598192984Sthompsauss820dci_device_ctrl_enter(struct usb_xfer *xfer) 1599184610Salfred{ 1600184610Salfred return; 1601184610Salfred} 1602184610Salfred 1603184610Salfredstatic void 1604192984Sthompsauss820dci_device_ctrl_start(struct usb_xfer *xfer) 1605184610Salfred{ 1606184610Salfred /* setup TDs */ 1607184610Salfred uss820dci_setup_standard_chain(xfer); 1608184610Salfred uss820dci_start_standard_chain(xfer); 1609184610Salfred} 1610184610Salfred 1611192984Sthompsastruct usb_pipe_methods uss820dci_device_ctrl_methods = 1612184610Salfred{ 1613184610Salfred .open = uss820dci_device_ctrl_open, 1614184610Salfred .close = uss820dci_device_ctrl_close, 1615184610Salfred .enter = uss820dci_device_ctrl_enter, 1616184610Salfred .start = uss820dci_device_ctrl_start, 1617184610Salfred}; 1618184610Salfred 1619184610Salfred/*------------------------------------------------------------------------* 1620184610Salfred * at91dci interrupt support 1621184610Salfred *------------------------------------------------------------------------*/ 1622184610Salfredstatic void 1623192984Sthompsauss820dci_device_intr_open(struct usb_xfer *xfer) 1624184610Salfred{ 1625184610Salfred return; 1626184610Salfred} 1627184610Salfred 1628184610Salfredstatic void 1629192984Sthompsauss820dci_device_intr_close(struct usb_xfer *xfer) 1630184610Salfred{ 1631184610Salfred uss820dci_device_done(xfer, USB_ERR_CANCELLED); 1632184610Salfred} 1633184610Salfred 1634184610Salfredstatic void 1635192984Sthompsauss820dci_device_intr_enter(struct usb_xfer *xfer) 1636184610Salfred{ 1637184610Salfred return; 1638184610Salfred} 1639184610Salfred 1640184610Salfredstatic void 1641192984Sthompsauss820dci_device_intr_start(struct usb_xfer *xfer) 1642184610Salfred{ 1643184610Salfred /* setup TDs */ 1644184610Salfred uss820dci_setup_standard_chain(xfer); 1645184610Salfred uss820dci_start_standard_chain(xfer); 1646184610Salfred} 1647184610Salfred 1648192984Sthompsastruct usb_pipe_methods uss820dci_device_intr_methods = 1649184610Salfred{ 1650184610Salfred .open = uss820dci_device_intr_open, 1651184610Salfred .close = uss820dci_device_intr_close, 1652184610Salfred .enter = uss820dci_device_intr_enter, 1653184610Salfred .start = uss820dci_device_intr_start, 1654184610Salfred}; 1655184610Salfred 1656184610Salfred/*------------------------------------------------------------------------* 1657184610Salfred * at91dci full speed isochronous support 1658184610Salfred *------------------------------------------------------------------------*/ 1659184610Salfredstatic void 1660192984Sthompsauss820dci_device_isoc_fs_open(struct usb_xfer *xfer) 1661184610Salfred{ 1662184610Salfred return; 1663184610Salfred} 1664184610Salfred 1665184610Salfredstatic void 1666192984Sthompsauss820dci_device_isoc_fs_close(struct usb_xfer *xfer) 1667184610Salfred{ 1668184610Salfred uss820dci_device_done(xfer, USB_ERR_CANCELLED); 1669184610Salfred} 1670184610Salfred 1671184610Salfredstatic void 1672192984Sthompsauss820dci_device_isoc_fs_enter(struct usb_xfer *xfer) 1673184610Salfred{ 1674187173Sthompsa struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 1675184610Salfred uint32_t temp; 1676184610Salfred uint32_t nframes; 1677184610Salfred 1678184610Salfred DPRINTFN(6, "xfer=%p next=%d nframes=%d\n", 1679193644Sthompsa xfer, xfer->endpoint->isoc_next, xfer->nframes); 1680184610Salfred 1681184610Salfred /* get the current frame index - we don't need the high bits */ 1682184610Salfred 1683184610Salfred nframes = USS820_READ_1(sc, USS820_SOFL); 1684184610Salfred 1685184610Salfred /* 1686184610Salfred * check if the frame index is within the window where the 1687184610Salfred * frames will be inserted 1688184610Salfred */ 1689193644Sthompsa temp = (nframes - xfer->endpoint->isoc_next) & USS820_SOFL_MASK; 1690184610Salfred 1691193644Sthompsa if ((xfer->endpoint->is_synced == 0) || 1692184610Salfred (temp < xfer->nframes)) { 1693184610Salfred /* 1694184610Salfred * If there is data underflow or the pipe queue is 1695184610Salfred * empty we schedule the transfer a few frames ahead 1696184610Salfred * of the current frame position. Else two isochronous 1697184610Salfred * transfers might overlap. 1698184610Salfred */ 1699193644Sthompsa xfer->endpoint->isoc_next = (nframes + 3) & USS820_SOFL_MASK; 1700193644Sthompsa xfer->endpoint->is_synced = 1; 1701193644Sthompsa DPRINTFN(3, "start next=%d\n", xfer->endpoint->isoc_next); 1702184610Salfred } 1703184610Salfred /* 1704184610Salfred * compute how many milliseconds the insertion is ahead of the 1705184610Salfred * current frame position: 1706184610Salfred */ 1707193644Sthompsa temp = (xfer->endpoint->isoc_next - nframes) & USS820_SOFL_MASK; 1708184610Salfred 1709184610Salfred /* 1710184610Salfred * pre-compute when the isochronous transfer will be finished: 1711184610Salfred */ 1712184610Salfred xfer->isoc_time_complete = 1713194228Sthompsa usb_isoc_time_expand(&sc->sc_bus, nframes) + temp + 1714184610Salfred xfer->nframes; 1715184610Salfred 1716184610Salfred /* compute frame number for next insertion */ 1717193644Sthompsa xfer->endpoint->isoc_next += xfer->nframes; 1718184610Salfred 1719184610Salfred /* setup TDs */ 1720184610Salfred uss820dci_setup_standard_chain(xfer); 1721184610Salfred} 1722184610Salfred 1723184610Salfredstatic void 1724192984Sthompsauss820dci_device_isoc_fs_start(struct usb_xfer *xfer) 1725184610Salfred{ 1726184610Salfred /* start TD chain */ 1727184610Salfred uss820dci_start_standard_chain(xfer); 1728184610Salfred} 1729184610Salfred 1730192984Sthompsastruct usb_pipe_methods uss820dci_device_isoc_fs_methods = 1731184610Salfred{ 1732184610Salfred .open = uss820dci_device_isoc_fs_open, 1733184610Salfred .close = uss820dci_device_isoc_fs_close, 1734184610Salfred .enter = uss820dci_device_isoc_fs_enter, 1735184610Salfred .start = uss820dci_device_isoc_fs_start, 1736184610Salfred}; 1737184610Salfred 1738184610Salfred/*------------------------------------------------------------------------* 1739184610Salfred * at91dci root control support 1740184610Salfred *------------------------------------------------------------------------* 1741190735Sthompsa * Simulate a hardware HUB by handling all the necessary requests. 1742184610Salfred *------------------------------------------------------------------------*/ 1743184610Salfred 1744192984Sthompsastatic const struct usb_device_descriptor uss820dci_devd = { 1745192984Sthompsa .bLength = sizeof(struct usb_device_descriptor), 1746184610Salfred .bDescriptorType = UDESC_DEVICE, 1747184610Salfred .bcdUSB = {0x00, 0x02}, 1748184610Salfred .bDeviceClass = UDCLASS_HUB, 1749184610Salfred .bDeviceSubClass = UDSUBCLASS_HUB, 1750213802Shselasky .bDeviceProtocol = UDPROTO_FSHUB, 1751184610Salfred .bMaxPacketSize = 64, 1752184610Salfred .bcdDevice = {0x00, 0x01}, 1753184610Salfred .iManufacturer = 1, 1754184610Salfred .iProduct = 2, 1755184610Salfred .bNumConfigurations = 1, 1756184610Salfred}; 1757184610Salfred 1758192984Sthompsastatic const struct usb_device_qualifier uss820dci_odevd = { 1759192984Sthompsa .bLength = sizeof(struct usb_device_qualifier), 1760184610Salfred .bDescriptorType = UDESC_DEVICE_QUALIFIER, 1761184610Salfred .bcdUSB = {0x00, 0x02}, 1762184610Salfred .bDeviceClass = UDCLASS_HUB, 1763184610Salfred .bDeviceSubClass = UDSUBCLASS_HUB, 1764184610Salfred .bDeviceProtocol = UDPROTO_FSHUB, 1765184610Salfred .bMaxPacketSize0 = 0, 1766184610Salfred .bNumConfigurations = 0, 1767184610Salfred}; 1768184610Salfred 1769184610Salfredstatic const struct uss820dci_config_desc uss820dci_confd = { 1770184610Salfred .confd = { 1771192984Sthompsa .bLength = sizeof(struct usb_config_descriptor), 1772184610Salfred .bDescriptorType = UDESC_CONFIG, 1773184610Salfred .wTotalLength[0] = sizeof(uss820dci_confd), 1774184610Salfred .bNumInterface = 1, 1775184610Salfred .bConfigurationValue = 1, 1776184610Salfred .iConfiguration = 0, 1777184610Salfred .bmAttributes = UC_SELF_POWERED, 1778184610Salfred .bMaxPower = 0, 1779184610Salfred }, 1780184610Salfred .ifcd = { 1781192984Sthompsa .bLength = sizeof(struct usb_interface_descriptor), 1782184610Salfred .bDescriptorType = UDESC_INTERFACE, 1783184610Salfred .bNumEndpoints = 1, 1784184610Salfred .bInterfaceClass = UICLASS_HUB, 1785184610Salfred .bInterfaceSubClass = UISUBCLASS_HUB, 1786213802Shselasky .bInterfaceProtocol = 0, 1787184610Salfred }, 1788184610Salfred 1789184610Salfred .endpd = { 1790192984Sthompsa .bLength = sizeof(struct usb_endpoint_descriptor), 1791184610Salfred .bDescriptorType = UDESC_ENDPOINT, 1792184610Salfred .bEndpointAddress = (UE_DIR_IN | USS820_DCI_INTR_ENDPT), 1793184610Salfred .bmAttributes = UE_INTERRUPT, 1794184610Salfred .wMaxPacketSize[0] = 8, 1795184610Salfred .bInterval = 255, 1796184610Salfred }, 1797184610Salfred}; 1798184610Salfred 1799233774Shselasky#define HSETW(ptr, val) ptr = { (uint8_t)(val), (uint8_t)((val) >> 8) } 1800233774Shselasky 1801192984Sthompsastatic const struct usb_hub_descriptor_min uss820dci_hubd = { 1802184610Salfred .bDescLength = sizeof(uss820dci_hubd), 1803184610Salfred .bDescriptorType = UDESC_HUB, 1804184610Salfred .bNbrPorts = 1, 1805233774Shselasky HSETW(.wHubCharacteristics, (UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL)), 1806184610Salfred .bPwrOn2PwrGood = 50, 1807184610Salfred .bHubContrCurrent = 0, 1808184610Salfred .DeviceRemovable = {0}, /* port is removable */ 1809184610Salfred}; 1810184610Salfred 1811184610Salfred#define STRING_VENDOR \ 1812246125Shselasky "A\0G\0E\0R\0E" 1813184610Salfred 1814184610Salfred#define STRING_PRODUCT \ 1815246125Shselasky "D\0C\0I\0 \0R\0o\0o\0t\0 \0H\0U\0B" 1816184610Salfred 1817184610SalfredUSB_MAKE_STRING_DESC(STRING_VENDOR, uss820dci_vendor); 1818184610SalfredUSB_MAKE_STRING_DESC(STRING_PRODUCT, uss820dci_product); 1819184610Salfred 1820193045Sthompsastatic usb_error_t 1821192984Sthompsauss820dci_roothub_exec(struct usb_device *udev, 1822192984Sthompsa struct usb_device_request *req, const void **pptr, uint16_t *plength) 1823184610Salfred{ 1824191402Sthompsa struct uss820dci_softc *sc = USS820_DCI_BUS2SC(udev->bus); 1825191402Sthompsa const void *ptr; 1826191402Sthompsa uint16_t len; 1827184610Salfred uint16_t value; 1828184610Salfred uint16_t index; 1829193045Sthompsa usb_error_t err; 1830184610Salfred 1831184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 1832184610Salfred 1833184610Salfred /* buffer reset */ 1834191402Sthompsa ptr = (const void *)&sc->sc_hub_temp; 1835191402Sthompsa len = 0; 1836191402Sthompsa err = 0; 1837184610Salfred 1838191402Sthompsa value = UGETW(req->wValue); 1839191402Sthompsa index = UGETW(req->wIndex); 1840184610Salfred 1841184610Salfred /* demultiplex the control request */ 1842184610Salfred 1843191402Sthompsa switch (req->bmRequestType) { 1844184610Salfred case UT_READ_DEVICE: 1845191402Sthompsa switch (req->bRequest) { 1846184610Salfred case UR_GET_DESCRIPTOR: 1847184610Salfred goto tr_handle_get_descriptor; 1848184610Salfred case UR_GET_CONFIG: 1849184610Salfred goto tr_handle_get_config; 1850184610Salfred case UR_GET_STATUS: 1851184610Salfred goto tr_handle_get_status; 1852184610Salfred default: 1853184610Salfred goto tr_stalled; 1854184610Salfred } 1855184610Salfred break; 1856184610Salfred 1857184610Salfred case UT_WRITE_DEVICE: 1858191402Sthompsa switch (req->bRequest) { 1859184610Salfred case UR_SET_ADDRESS: 1860184610Salfred goto tr_handle_set_address; 1861184610Salfred case UR_SET_CONFIG: 1862184610Salfred goto tr_handle_set_config; 1863184610Salfred case UR_CLEAR_FEATURE: 1864184610Salfred goto tr_valid; /* nop */ 1865184610Salfred case UR_SET_DESCRIPTOR: 1866184610Salfred goto tr_valid; /* nop */ 1867184610Salfred case UR_SET_FEATURE: 1868184610Salfred default: 1869184610Salfred goto tr_stalled; 1870184610Salfred } 1871184610Salfred break; 1872184610Salfred 1873184610Salfred case UT_WRITE_ENDPOINT: 1874191402Sthompsa switch (req->bRequest) { 1875184610Salfred case UR_CLEAR_FEATURE: 1876191402Sthompsa switch (UGETW(req->wValue)) { 1877184610Salfred case UF_ENDPOINT_HALT: 1878184610Salfred goto tr_handle_clear_halt; 1879184610Salfred case UF_DEVICE_REMOTE_WAKEUP: 1880184610Salfred goto tr_handle_clear_wakeup; 1881184610Salfred default: 1882184610Salfred goto tr_stalled; 1883184610Salfred } 1884184610Salfred break; 1885184610Salfred case UR_SET_FEATURE: 1886191402Sthompsa switch (UGETW(req->wValue)) { 1887184610Salfred case UF_ENDPOINT_HALT: 1888184610Salfred goto tr_handle_set_halt; 1889184610Salfred case UF_DEVICE_REMOTE_WAKEUP: 1890184610Salfred goto tr_handle_set_wakeup; 1891184610Salfred default: 1892184610Salfred goto tr_stalled; 1893184610Salfred } 1894184610Salfred break; 1895184610Salfred case UR_SYNCH_FRAME: 1896184610Salfred goto tr_valid; /* nop */ 1897184610Salfred default: 1898184610Salfred goto tr_stalled; 1899184610Salfred } 1900184610Salfred break; 1901184610Salfred 1902184610Salfred case UT_READ_ENDPOINT: 1903191402Sthompsa switch (req->bRequest) { 1904184610Salfred case UR_GET_STATUS: 1905184610Salfred goto tr_handle_get_ep_status; 1906184610Salfred default: 1907184610Salfred goto tr_stalled; 1908184610Salfred } 1909184610Salfred break; 1910184610Salfred 1911184610Salfred case UT_WRITE_INTERFACE: 1912191402Sthompsa switch (req->bRequest) { 1913184610Salfred case UR_SET_INTERFACE: 1914184610Salfred goto tr_handle_set_interface; 1915184610Salfred case UR_CLEAR_FEATURE: 1916184610Salfred goto tr_valid; /* nop */ 1917184610Salfred case UR_SET_FEATURE: 1918184610Salfred default: 1919184610Salfred goto tr_stalled; 1920184610Salfred } 1921184610Salfred break; 1922184610Salfred 1923184610Salfred case UT_READ_INTERFACE: 1924191402Sthompsa switch (req->bRequest) { 1925184610Salfred case UR_GET_INTERFACE: 1926184610Salfred goto tr_handle_get_interface; 1927184610Salfred case UR_GET_STATUS: 1928184610Salfred goto tr_handle_get_iface_status; 1929184610Salfred default: 1930184610Salfred goto tr_stalled; 1931184610Salfred } 1932184610Salfred break; 1933184610Salfred 1934184610Salfred case UT_WRITE_CLASS_INTERFACE: 1935184610Salfred case UT_WRITE_VENDOR_INTERFACE: 1936184610Salfred /* XXX forward */ 1937184610Salfred break; 1938184610Salfred 1939184610Salfred case UT_READ_CLASS_INTERFACE: 1940184610Salfred case UT_READ_VENDOR_INTERFACE: 1941184610Salfred /* XXX forward */ 1942184610Salfred break; 1943184610Salfred 1944184610Salfred case UT_WRITE_CLASS_DEVICE: 1945191402Sthompsa switch (req->bRequest) { 1946184610Salfred case UR_CLEAR_FEATURE: 1947184610Salfred goto tr_valid; 1948184610Salfred case UR_SET_DESCRIPTOR: 1949184610Salfred case UR_SET_FEATURE: 1950184610Salfred break; 1951184610Salfred default: 1952184610Salfred goto tr_stalled; 1953184610Salfred } 1954184610Salfred break; 1955184610Salfred 1956184610Salfred case UT_WRITE_CLASS_OTHER: 1957191402Sthompsa switch (req->bRequest) { 1958184610Salfred case UR_CLEAR_FEATURE: 1959184610Salfred goto tr_handle_clear_port_feature; 1960184610Salfred case UR_SET_FEATURE: 1961184610Salfred goto tr_handle_set_port_feature; 1962184610Salfred case UR_CLEAR_TT_BUFFER: 1963184610Salfred case UR_RESET_TT: 1964184610Salfred case UR_STOP_TT: 1965184610Salfred goto tr_valid; 1966184610Salfred 1967184610Salfred default: 1968184610Salfred goto tr_stalled; 1969184610Salfred } 1970184610Salfred break; 1971184610Salfred 1972184610Salfred case UT_READ_CLASS_OTHER: 1973191402Sthompsa switch (req->bRequest) { 1974184610Salfred case UR_GET_TT_STATE: 1975184610Salfred goto tr_handle_get_tt_state; 1976184610Salfred case UR_GET_STATUS: 1977184610Salfred goto tr_handle_get_port_status; 1978184610Salfred default: 1979184610Salfred goto tr_stalled; 1980184610Salfred } 1981184610Salfred break; 1982184610Salfred 1983184610Salfred case UT_READ_CLASS_DEVICE: 1984191402Sthompsa switch (req->bRequest) { 1985184610Salfred case UR_GET_DESCRIPTOR: 1986184610Salfred goto tr_handle_get_class_descriptor; 1987184610Salfred case UR_GET_STATUS: 1988184610Salfred goto tr_handle_get_class_status; 1989184610Salfred 1990184610Salfred default: 1991184610Salfred goto tr_stalled; 1992184610Salfred } 1993184610Salfred break; 1994184610Salfred default: 1995184610Salfred goto tr_stalled; 1996184610Salfred } 1997184610Salfred goto tr_valid; 1998184610Salfred 1999184610Salfredtr_handle_get_descriptor: 2000184610Salfred switch (value >> 8) { 2001184610Salfred case UDESC_DEVICE: 2002184610Salfred if (value & 0xff) { 2003184610Salfred goto tr_stalled; 2004184610Salfred } 2005191402Sthompsa len = sizeof(uss820dci_devd); 2006191402Sthompsa ptr = (const void *)&uss820dci_devd; 2007184610Salfred goto tr_valid; 2008262457Sdim case UDESC_DEVICE_QUALIFIER: 2009262457Sdim if (value & 0xff) { 2010262457Sdim goto tr_stalled; 2011262457Sdim } 2012262457Sdim len = sizeof(uss820dci_odevd); 2013262457Sdim ptr = (const void *)&uss820dci_odevd; 2014262457Sdim goto tr_valid; 2015184610Salfred case UDESC_CONFIG: 2016184610Salfred if (value & 0xff) { 2017184610Salfred goto tr_stalled; 2018184610Salfred } 2019191402Sthompsa len = sizeof(uss820dci_confd); 2020191402Sthompsa ptr = (const void *)&uss820dci_confd; 2021184610Salfred goto tr_valid; 2022184610Salfred case UDESC_STRING: 2023184610Salfred switch (value & 0xff) { 2024184610Salfred case 0: /* Language table */ 2025246123Shselasky len = sizeof(usb_string_lang_en); 2026246123Shselasky ptr = (const void *)&usb_string_lang_en; 2027184610Salfred goto tr_valid; 2028184610Salfred 2029184610Salfred case 1: /* Vendor */ 2030191402Sthompsa len = sizeof(uss820dci_vendor); 2031191402Sthompsa ptr = (const void *)&uss820dci_vendor; 2032184610Salfred goto tr_valid; 2033184610Salfred 2034184610Salfred case 2: /* Product */ 2035191402Sthompsa len = sizeof(uss820dci_product); 2036191402Sthompsa ptr = (const void *)&uss820dci_product; 2037184610Salfred goto tr_valid; 2038184610Salfred default: 2039184610Salfred break; 2040184610Salfred } 2041184610Salfred break; 2042184610Salfred default: 2043184610Salfred goto tr_stalled; 2044184610Salfred } 2045184610Salfred goto tr_stalled; 2046184610Salfred 2047184610Salfredtr_handle_get_config: 2048191402Sthompsa len = 1; 2049184610Salfred sc->sc_hub_temp.wValue[0] = sc->sc_conf; 2050184610Salfred goto tr_valid; 2051184610Salfred 2052184610Salfredtr_handle_get_status: 2053191402Sthompsa len = 2; 2054184610Salfred USETW(sc->sc_hub_temp.wValue, UDS_SELF_POWERED); 2055184610Salfred goto tr_valid; 2056184610Salfred 2057184610Salfredtr_handle_set_address: 2058184610Salfred if (value & 0xFF00) { 2059184610Salfred goto tr_stalled; 2060184610Salfred } 2061184610Salfred sc->sc_rt_addr = value; 2062184610Salfred goto tr_valid; 2063184610Salfred 2064184610Salfredtr_handle_set_config: 2065184610Salfred if (value >= 2) { 2066184610Salfred goto tr_stalled; 2067184610Salfred } 2068184610Salfred sc->sc_conf = value; 2069184610Salfred goto tr_valid; 2070184610Salfred 2071184610Salfredtr_handle_get_interface: 2072191402Sthompsa len = 1; 2073184610Salfred sc->sc_hub_temp.wValue[0] = 0; 2074184610Salfred goto tr_valid; 2075184610Salfred 2076184610Salfredtr_handle_get_tt_state: 2077184610Salfredtr_handle_get_class_status: 2078184610Salfredtr_handle_get_iface_status: 2079184610Salfredtr_handle_get_ep_status: 2080191402Sthompsa len = 2; 2081184610Salfred USETW(sc->sc_hub_temp.wValue, 0); 2082184610Salfred goto tr_valid; 2083184610Salfred 2084184610Salfredtr_handle_set_halt: 2085184610Salfredtr_handle_set_interface: 2086184610Salfredtr_handle_set_wakeup: 2087184610Salfredtr_handle_clear_wakeup: 2088184610Salfredtr_handle_clear_halt: 2089184610Salfred goto tr_valid; 2090184610Salfred 2091184610Salfredtr_handle_clear_port_feature: 2092184610Salfred if (index != 1) { 2093184610Salfred goto tr_stalled; 2094184610Salfred } 2095184610Salfred DPRINTFN(9, "UR_CLEAR_PORT_FEATURE on port %d\n", index); 2096184610Salfred 2097184610Salfred switch (value) { 2098184610Salfred case UHF_PORT_SUSPEND: 2099184610Salfred uss820dci_wakeup_peer(sc); 2100184610Salfred break; 2101184610Salfred 2102184610Salfred case UHF_PORT_ENABLE: 2103184610Salfred sc->sc_flags.port_enabled = 0; 2104184610Salfred break; 2105184610Salfred 2106184610Salfred case UHF_PORT_TEST: 2107184610Salfred case UHF_PORT_INDICATOR: 2108184610Salfred case UHF_C_PORT_ENABLE: 2109184610Salfred case UHF_C_PORT_OVER_CURRENT: 2110184610Salfred case UHF_C_PORT_RESET: 2111184610Salfred /* nops */ 2112184610Salfred break; 2113184610Salfred case UHF_PORT_POWER: 2114184610Salfred sc->sc_flags.port_powered = 0; 2115184610Salfred uss820dci_pull_down(sc); 2116184610Salfred break; 2117184610Salfred case UHF_C_PORT_CONNECTION: 2118184610Salfred sc->sc_flags.change_connect = 0; 2119184610Salfred break; 2120184610Salfred case UHF_C_PORT_SUSPEND: 2121184610Salfred sc->sc_flags.change_suspend = 0; 2122184610Salfred break; 2123184610Salfred default: 2124191402Sthompsa err = USB_ERR_IOERROR; 2125184610Salfred goto done; 2126184610Salfred } 2127184610Salfred goto tr_valid; 2128184610Salfred 2129184610Salfredtr_handle_set_port_feature: 2130184610Salfred if (index != 1) { 2131184610Salfred goto tr_stalled; 2132184610Salfred } 2133184610Salfred DPRINTFN(9, "UR_SET_PORT_FEATURE\n"); 2134184610Salfred 2135184610Salfred switch (value) { 2136184610Salfred case UHF_PORT_ENABLE: 2137184610Salfred sc->sc_flags.port_enabled = 1; 2138184610Salfred break; 2139184610Salfred case UHF_PORT_SUSPEND: 2140184610Salfred case UHF_PORT_RESET: 2141184610Salfred case UHF_PORT_TEST: 2142184610Salfred case UHF_PORT_INDICATOR: 2143184610Salfred /* nops */ 2144184610Salfred break; 2145184610Salfred case UHF_PORT_POWER: 2146184610Salfred sc->sc_flags.port_powered = 1; 2147184610Salfred break; 2148184610Salfred default: 2149191402Sthompsa err = USB_ERR_IOERROR; 2150184610Salfred goto done; 2151184610Salfred } 2152184610Salfred goto tr_valid; 2153184610Salfred 2154184610Salfredtr_handle_get_port_status: 2155184610Salfred 2156184610Salfred DPRINTFN(9, "UR_GET_PORT_STATUS\n"); 2157184610Salfred 2158184610Salfred if (index != 1) { 2159184610Salfred goto tr_stalled; 2160184610Salfred } 2161184610Salfred if (sc->sc_flags.status_vbus) { 2162184610Salfred uss820dci_pull_up(sc); 2163184610Salfred } else { 2164184610Salfred uss820dci_pull_down(sc); 2165184610Salfred } 2166184610Salfred 2167184610Salfred /* Select FULL-speed and Device Side Mode */ 2168184610Salfred 2169184610Salfred value = UPS_PORT_MODE_DEVICE; 2170184610Salfred 2171184610Salfred if (sc->sc_flags.port_powered) { 2172184610Salfred value |= UPS_PORT_POWER; 2173184610Salfred } 2174184610Salfred if (sc->sc_flags.port_enabled) { 2175184610Salfred value |= UPS_PORT_ENABLED; 2176184610Salfred } 2177184610Salfred if (sc->sc_flags.status_vbus && 2178184610Salfred sc->sc_flags.status_bus_reset) { 2179184610Salfred value |= UPS_CURRENT_CONNECT_STATUS; 2180184610Salfred } 2181184610Salfred if (sc->sc_flags.status_suspend) { 2182184610Salfred value |= UPS_SUSPEND; 2183184610Salfred } 2184184610Salfred USETW(sc->sc_hub_temp.ps.wPortStatus, value); 2185184610Salfred 2186184610Salfred value = 0; 2187184610Salfred 2188184610Salfred if (sc->sc_flags.change_connect) { 2189184610Salfred value |= UPS_C_CONNECT_STATUS; 2190184610Salfred } 2191184610Salfred if (sc->sc_flags.change_suspend) { 2192184610Salfred value |= UPS_C_SUSPEND; 2193184610Salfred } 2194184610Salfred USETW(sc->sc_hub_temp.ps.wPortChange, value); 2195191402Sthompsa len = sizeof(sc->sc_hub_temp.ps); 2196184610Salfred goto tr_valid; 2197184610Salfred 2198184610Salfredtr_handle_get_class_descriptor: 2199184610Salfred if (value & 0xFF) { 2200184610Salfred goto tr_stalled; 2201184610Salfred } 2202191402Sthompsa ptr = (const void *)&uss820dci_hubd; 2203191402Sthompsa len = sizeof(uss820dci_hubd); 2204184610Salfred goto tr_valid; 2205184610Salfred 2206184610Salfredtr_stalled: 2207191402Sthompsa err = USB_ERR_STALLED; 2208184610Salfredtr_valid: 2209184610Salfreddone: 2210191402Sthompsa *plength = len; 2211191402Sthompsa *pptr = ptr; 2212191402Sthompsa return (err); 2213184610Salfred} 2214184610Salfred 2215184610Salfredstatic void 2216192984Sthompsauss820dci_xfer_setup(struct usb_setup_params *parm) 2217184610Salfred{ 2218192984Sthompsa const struct usb_hw_ep_profile *pf; 2219184610Salfred struct uss820dci_softc *sc; 2220192984Sthompsa struct usb_xfer *xfer; 2221184610Salfred void *last_obj; 2222184610Salfred uint32_t ntd; 2223184610Salfred uint32_t n; 2224184610Salfred uint8_t ep_no; 2225184610Salfred 2226184610Salfred sc = USS820_DCI_BUS2SC(parm->udev->bus); 2227184610Salfred xfer = parm->curr_xfer; 2228184610Salfred 2229184610Salfred /* 2230184610Salfred * NOTE: This driver does not use any of the parameters that 2231184610Salfred * are computed from the following values. Just set some 2232184610Salfred * reasonable dummies: 2233184610Salfred */ 2234184610Salfred parm->hc_max_packet_size = 0x500; 2235184610Salfred parm->hc_max_packet_count = 1; 2236184610Salfred parm->hc_max_frame_size = 0x500; 2237184610Salfred 2238194228Sthompsa usbd_transfer_setup_sub(parm); 2239184610Salfred 2240184610Salfred /* 2241184610Salfred * compute maximum number of TDs 2242184610Salfred */ 2243184610Salfred if (parm->methods == &uss820dci_device_ctrl_methods) { 2244184610Salfred 2245184610Salfred ntd = xfer->nframes + 1 /* STATUS */ + 1 /* SYNC */ ; 2246184610Salfred 2247184610Salfred } else if (parm->methods == &uss820dci_device_bulk_methods) { 2248184610Salfred 2249184610Salfred ntd = xfer->nframes + 1 /* SYNC */ ; 2250184610Salfred 2251184610Salfred } else if (parm->methods == &uss820dci_device_intr_methods) { 2252184610Salfred 2253184610Salfred ntd = xfer->nframes + 1 /* SYNC */ ; 2254184610Salfred 2255184610Salfred } else if (parm->methods == &uss820dci_device_isoc_fs_methods) { 2256184610Salfred 2257184610Salfred ntd = xfer->nframes + 1 /* SYNC */ ; 2258184610Salfred 2259184610Salfred } else { 2260184610Salfred 2261184610Salfred ntd = 0; 2262184610Salfred } 2263184610Salfred 2264184610Salfred /* 2265194228Sthompsa * check if "usbd_transfer_setup_sub" set an error 2266184610Salfred */ 2267184610Salfred if (parm->err) { 2268184610Salfred return; 2269184610Salfred } 2270184610Salfred /* 2271184610Salfred * allocate transfer descriptors 2272184610Salfred */ 2273184610Salfred last_obj = NULL; 2274184610Salfred 2275184610Salfred /* 2276184610Salfred * get profile stuff 2277184610Salfred */ 2278184610Salfred if (ntd) { 2279184610Salfred 2280193644Sthompsa ep_no = xfer->endpointno & UE_ADDR; 2281184610Salfred uss820dci_get_hw_ep_profile(parm->udev, &pf, ep_no); 2282184610Salfred 2283184610Salfred if (pf == NULL) { 2284184610Salfred /* should not happen */ 2285184610Salfred parm->err = USB_ERR_INVAL; 2286184610Salfred return; 2287184610Salfred } 2288184610Salfred } else { 2289184610Salfred ep_no = 0; 2290184610Salfred pf = NULL; 2291184610Salfred } 2292184610Salfred 2293184610Salfred /* align data */ 2294184610Salfred parm->size[0] += ((-parm->size[0]) & (USB_HOST_ALIGN - 1)); 2295184610Salfred 2296184610Salfred for (n = 0; n != ntd; n++) { 2297184610Salfred 2298184610Salfred struct uss820dci_td *td; 2299184610Salfred 2300184610Salfred if (parm->buf) { 2301184610Salfred 2302184610Salfred td = USB_ADD_BYTES(parm->buf, parm->size[0]); 2303184610Salfred 2304184610Salfred /* init TD */ 2305184610Salfred td->io_tag = sc->sc_io_tag; 2306184610Salfred td->io_hdl = sc->sc_io_hdl; 2307184610Salfred td->max_packet_size = xfer->max_packet_size; 2308184610Salfred td->ep_index = ep_no; 2309184610Salfred if (pf->support_multi_buffer && 2310184610Salfred (parm->methods != &uss820dci_device_ctrl_methods)) { 2311184610Salfred td->support_multi_buffer = 1; 2312184610Salfred } 2313184610Salfred td->obj_next = last_obj; 2314184610Salfred 2315184610Salfred last_obj = td; 2316184610Salfred } 2317184610Salfred parm->size[0] += sizeof(*td); 2318184610Salfred } 2319184610Salfred 2320184610Salfred xfer->td_start[0] = last_obj; 2321184610Salfred} 2322184610Salfred 2323184610Salfredstatic void 2324192984Sthompsauss820dci_xfer_unsetup(struct usb_xfer *xfer) 2325184610Salfred{ 2326184610Salfred return; 2327184610Salfred} 2328184610Salfred 2329184610Salfredstatic void 2330193644Sthompsauss820dci_ep_init(struct usb_device *udev, struct usb_endpoint_descriptor *edesc, 2331193644Sthompsa struct usb_endpoint *ep) 2332184610Salfred{ 2333184610Salfred struct uss820dci_softc *sc = USS820_DCI_BUS2SC(udev->bus); 2334184610Salfred 2335193644Sthompsa DPRINTFN(2, "endpoint=%p, addr=%d, endpt=%d, mode=%d (%d)\n", 2336193644Sthompsa ep, udev->address, 2337192499Sthompsa edesc->bEndpointAddress, udev->flags.usb_mode, 2338184610Salfred sc->sc_rt_addr); 2339184610Salfred 2340190735Sthompsa if (udev->device_index != sc->sc_rt_addr) { 2341184610Salfred 2342184610Salfred if (udev->speed != USB_SPEED_FULL) { 2343184610Salfred /* not supported */ 2344184610Salfred return; 2345184610Salfred } 2346184610Salfred switch (edesc->bmAttributes & UE_XFERTYPE) { 2347184610Salfred case UE_CONTROL: 2348193644Sthompsa ep->methods = &uss820dci_device_ctrl_methods; 2349184610Salfred break; 2350184610Salfred case UE_INTERRUPT: 2351193644Sthompsa ep->methods = &uss820dci_device_intr_methods; 2352184610Salfred break; 2353184610Salfred case UE_ISOCHRONOUS: 2354193644Sthompsa ep->methods = &uss820dci_device_isoc_fs_methods; 2355184610Salfred break; 2356184610Salfred case UE_BULK: 2357193644Sthompsa ep->methods = &uss820dci_device_bulk_methods; 2358184610Salfred break; 2359184610Salfred default: 2360184610Salfred /* do nothing */ 2361184610Salfred break; 2362184610Salfred } 2363184610Salfred } 2364184610Salfred} 2365184610Salfred 2366228483Shselaskystatic void 2367228483Shselaskyuss820dci_set_hw_power_sleep(struct usb_bus *bus, uint32_t state) 2368228483Shselasky{ 2369228483Shselasky struct uss820dci_softc *sc = USS820_DCI_BUS2SC(bus); 2370228483Shselasky 2371228483Shselasky switch (state) { 2372228483Shselasky case USB_HW_POWER_SUSPEND: 2373228483Shselasky uss820dci_suspend(sc); 2374228483Shselasky break; 2375228483Shselasky case USB_HW_POWER_SHUTDOWN: 2376228483Shselasky uss820dci_uninit(sc); 2377228483Shselasky break; 2378228483Shselasky case USB_HW_POWER_RESUME: 2379228483Shselasky uss820dci_resume(sc); 2380228483Shselasky break; 2381228483Shselasky default: 2382228483Shselasky break; 2383228483Shselasky } 2384228483Shselasky} 2385228483Shselasky 2386192984Sthompsastruct usb_bus_methods uss820dci_bus_methods = 2387184610Salfred{ 2388193644Sthompsa .endpoint_init = &uss820dci_ep_init, 2389184610Salfred .xfer_setup = &uss820dci_xfer_setup, 2390184610Salfred .xfer_unsetup = &uss820dci_xfer_unsetup, 2391184610Salfred .get_hw_ep_profile = &uss820dci_get_hw_ep_profile, 2392239214Shselasky .xfer_stall = &uss820dci_xfer_stall, 2393184610Salfred .set_stall = &uss820dci_set_stall, 2394184610Salfred .clear_stall = &uss820dci_clear_stall, 2395190735Sthompsa .roothub_exec = &uss820dci_roothub_exec, 2396195960Salfred .xfer_poll = &uss820dci_do_poll, 2397228483Shselasky .set_hw_power_sleep = uss820dci_set_hw_power_sleep, 2398184610Salfred}; 2399