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 35194677Sthompsa#include <sys/stdint.h> 36194677Sthompsa#include <sys/stddef.h> 37194677Sthompsa#include <sys/param.h> 38194677Sthompsa#include <sys/queue.h> 39194677Sthompsa#include <sys/types.h> 40194677Sthompsa#include <sys/systm.h> 41194677Sthompsa#include <sys/kernel.h> 42194677Sthompsa#include <sys/bus.h> 43194677Sthompsa#include <sys/module.h> 44194677Sthompsa#include <sys/lock.h> 45194677Sthompsa#include <sys/mutex.h> 46194677Sthompsa#include <sys/condvar.h> 47194677Sthompsa#include <sys/sysctl.h> 48194677Sthompsa#include <sys/sx.h> 49194677Sthompsa#include <sys/unistd.h> 50194677Sthompsa#include <sys/callout.h> 51194677Sthompsa#include <sys/malloc.h> 52194677Sthompsa#include <sys/priv.h> 53194677Sthompsa 54188942Sthompsa#include <dev/usb/usb.h> 55194677Sthompsa#include <dev/usb/usbdi.h> 56184610Salfred 57184610Salfred#define USB_DEBUG_VAR uss820dcidebug 58184610Salfred 59188942Sthompsa#include <dev/usb/usb_core.h> 60188942Sthompsa#include <dev/usb/usb_debug.h> 61188942Sthompsa#include <dev/usb/usb_busdma.h> 62188942Sthompsa#include <dev/usb/usb_process.h> 63188942Sthompsa#include <dev/usb/usb_transfer.h> 64188942Sthompsa#include <dev/usb/usb_device.h> 65188942Sthompsa#include <dev/usb/usb_hub.h> 66188942Sthompsa#include <dev/usb/usb_util.h> 67184610Salfred 68188942Sthompsa#include <dev/usb/usb_controller.h> 69188942Sthompsa#include <dev/usb/usb_bus.h> 70188942Sthompsa#include <dev/usb/controller/uss820dci.h> 71184610Salfred 72184610Salfred#define USS820_DCI_BUS2SC(bus) \ 73184610Salfred ((struct uss820dci_softc *)(((uint8_t *)(bus)) - \ 74190181Sthompsa ((uint8_t *)&(((struct uss820dci_softc *)0)->sc_bus)))) 75184610Salfred 76184610Salfred#define USS820_DCI_PC2SC(pc) \ 77190180Sthompsa USS820_DCI_BUS2SC(USB_DMATAG_TO_XROOT((pc)->tag_parent)->bus) 78184610Salfred 79207077Sthompsa#ifdef USB_DEBUG 80184610Salfredstatic int uss820dcidebug = 0; 81184610Salfred 82248085Smariusstatic SYSCTL_NODE(_hw_usb, OID_AUTO, uss820dci, CTLFLAG_RW, 0, 83248085Smarius "USB uss820dci"); 84192502SthompsaSYSCTL_INT(_hw_usb_uss820dci, OID_AUTO, debug, CTLFLAG_RW, 85184610Salfred &uss820dcidebug, 0, "uss820dci debug level"); 86184610Salfred#endif 87184610Salfred 88184610Salfred#define USS820_DCI_INTR_ENDPT 1 89184610Salfred 90184610Salfred/* prototypes */ 91184610Salfred 92192984Sthompsastruct usb_bus_methods uss820dci_bus_methods; 93192984Sthompsastruct usb_pipe_methods uss820dci_device_bulk_methods; 94192984Sthompsastruct usb_pipe_methods uss820dci_device_ctrl_methods; 95192984Sthompsastruct usb_pipe_methods uss820dci_device_intr_methods; 96192984Sthompsastruct usb_pipe_methods uss820dci_device_isoc_fs_methods; 97184610Salfred 98184610Salfredstatic uss820dci_cmd_t uss820dci_setup_rx; 99184610Salfredstatic uss820dci_cmd_t uss820dci_data_rx; 100184610Salfredstatic uss820dci_cmd_t uss820dci_data_tx; 101184610Salfredstatic uss820dci_cmd_t uss820dci_data_tx_sync; 102193045Sthompsastatic void uss820dci_device_done(struct usb_xfer *, usb_error_t); 103192984Sthompsastatic void uss820dci_do_poll(struct usb_bus *); 104192984Sthompsastatic void uss820dci_standard_done(struct usb_xfer *); 105192984Sthompsastatic void uss820dci_intr_set(struct usb_xfer *, uint8_t); 106185948Sthompsastatic void uss820dci_update_shared_1(struct uss820dci_softc *, uint8_t, 107185948Sthompsa uint8_t, uint8_t); 108190735Sthompsastatic void uss820dci_root_intr(struct uss820dci_softc *); 109184610Salfred 110184610Salfred/* 111184610Salfred * Here is a list of what the USS820D chip can support. The main 112184610Salfred * limitation is that the sum of the buffer sizes must be less than 113184610Salfred * 1120 bytes. 114184610Salfred */ 115192984Sthompsastatic const struct usb_hw_ep_profile 116184610Salfred uss820dci_ep_profile[] = { 117184610Salfred 118184610Salfred [0] = { 119184610Salfred .max_in_frame_size = 32, 120184610Salfred .max_out_frame_size = 32, 121184610Salfred .is_simplex = 0, 122184610Salfred .support_control = 1, 123184610Salfred }, 124184610Salfred [1] = { 125184610Salfred .max_in_frame_size = 64, 126184610Salfred .max_out_frame_size = 64, 127184610Salfred .is_simplex = 0, 128184610Salfred .support_multi_buffer = 1, 129184610Salfred .support_bulk = 1, 130184610Salfred .support_interrupt = 1, 131184610Salfred .support_in = 1, 132184610Salfred .support_out = 1, 133184610Salfred }, 134184610Salfred [2] = { 135184610Salfred .max_in_frame_size = 8, 136184610Salfred .max_out_frame_size = 8, 137184610Salfred .is_simplex = 0, 138184610Salfred .support_multi_buffer = 1, 139184610Salfred .support_bulk = 1, 140184610Salfred .support_interrupt = 1, 141184610Salfred .support_in = 1, 142184610Salfred .support_out = 1, 143184610Salfred }, 144184610Salfred [3] = { 145184610Salfred .max_in_frame_size = 256, 146184610Salfred .max_out_frame_size = 256, 147184610Salfred .is_simplex = 0, 148184610Salfred .support_multi_buffer = 1, 149184610Salfred .support_isochronous = 1, 150184610Salfred .support_in = 1, 151184610Salfred .support_out = 1, 152184610Salfred }, 153184610Salfred}; 154184610Salfred 155184610Salfredstatic void 156184610Salfreduss820dci_update_shared_1(struct uss820dci_softc *sc, uint8_t reg, 157184610Salfred uint8_t keep_mask, uint8_t set_mask) 158184610Salfred{ 159184610Salfred uint8_t temp; 160184610Salfred 161184610Salfred USS820_WRITE_1(sc, USS820_PEND, 1); 162184610Salfred temp = USS820_READ_1(sc, reg); 163184610Salfred temp &= (keep_mask); 164184610Salfred temp |= (set_mask); 165184610Salfred USS820_WRITE_1(sc, reg, temp); 166184610Salfred USS820_WRITE_1(sc, USS820_PEND, 0); 167184610Salfred} 168184610Salfred 169184610Salfredstatic void 170192984Sthompsauss820dci_get_hw_ep_profile(struct usb_device *udev, 171192984Sthompsa const struct usb_hw_ep_profile **ppf, uint8_t ep_addr) 172184610Salfred{ 173184610Salfred if (ep_addr == 0) { 174184610Salfred *ppf = uss820dci_ep_profile + 0; 175184610Salfred } else if (ep_addr < 5) { 176184610Salfred *ppf = uss820dci_ep_profile + 1; 177184610Salfred } else if (ep_addr < 7) { 178184610Salfred *ppf = uss820dci_ep_profile + 2; 179184610Salfred } else if (ep_addr == 7) { 180184610Salfred *ppf = uss820dci_ep_profile + 3; 181184610Salfred } else { 182184610Salfred *ppf = NULL; 183184610Salfred } 184184610Salfred} 185184610Salfred 186184610Salfredstatic void 187184610Salfreduss820dci_pull_up(struct uss820dci_softc *sc) 188184610Salfred{ 189184610Salfred uint8_t temp; 190184610Salfred 191184610Salfred /* pullup D+, if possible */ 192184610Salfred 193184610Salfred if (!sc->sc_flags.d_pulled_up && 194184610Salfred sc->sc_flags.port_powered) { 195184610Salfred sc->sc_flags.d_pulled_up = 1; 196184610Salfred 197184610Salfred DPRINTF("\n"); 198184610Salfred 199184610Salfred temp = USS820_READ_1(sc, USS820_MCSR); 200184610Salfred temp |= USS820_MCSR_DPEN; 201184610Salfred USS820_WRITE_1(sc, USS820_MCSR, temp); 202184610Salfred } 203184610Salfred} 204184610Salfred 205184610Salfredstatic void 206184610Salfreduss820dci_pull_down(struct uss820dci_softc *sc) 207184610Salfred{ 208184610Salfred uint8_t temp; 209184610Salfred 210184610Salfred /* pulldown D+, if possible */ 211184610Salfred 212184610Salfred if (sc->sc_flags.d_pulled_up) { 213184610Salfred sc->sc_flags.d_pulled_up = 0; 214184610Salfred 215184610Salfred DPRINTF("\n"); 216184610Salfred 217184610Salfred temp = USS820_READ_1(sc, USS820_MCSR); 218184610Salfred temp &= ~USS820_MCSR_DPEN; 219184610Salfred USS820_WRITE_1(sc, USS820_MCSR, temp); 220184610Salfred } 221184610Salfred} 222184610Salfred 223184610Salfredstatic void 224184610Salfreduss820dci_wakeup_peer(struct uss820dci_softc *sc) 225184610Salfred{ 226184610Salfred if (!(sc->sc_flags.status_suspend)) { 227184610Salfred return; 228184610Salfred } 229184610Salfred DPRINTFN(0, "not supported\n"); 230184610Salfred} 231184610Salfred 232184610Salfredstatic void 233184610Salfreduss820dci_set_address(struct uss820dci_softc *sc, uint8_t addr) 234184610Salfred{ 235184610Salfred DPRINTFN(5, "addr=%d\n", addr); 236184610Salfred 237184610Salfred USS820_WRITE_1(sc, USS820_FADDR, addr); 238184610Salfred} 239184610Salfred 240184610Salfredstatic uint8_t 241184610Salfreduss820dci_setup_rx(struct uss820dci_td *td) 242184610Salfred{ 243184610Salfred struct uss820dci_softc *sc; 244192984Sthompsa struct usb_device_request req; 245184610Salfred uint16_t count; 246184610Salfred uint8_t rx_stat; 247184610Salfred uint8_t temp; 248184610Salfred 249184610Salfred /* select the correct endpoint */ 250184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 251192448Sthompsa USS820_EPINDEX, td->ep_index); 252184610Salfred 253184610Salfred /* read out FIFO status */ 254184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 255192448Sthompsa USS820_RXSTAT); 256184610Salfred 257184610Salfred /* get pointer to softc */ 258184610Salfred sc = USS820_DCI_PC2SC(td->pc); 259184610Salfred 260184610Salfred DPRINTFN(5, "rx_stat=0x%02x rem=%u\n", rx_stat, td->remainder); 261184610Salfred 262184610Salfred if (!(rx_stat & USS820_RXSTAT_RXSETUP)) { 263184610Salfred goto not_complete; 264184610Salfred } 265190721Sthompsa /* clear did stall */ 266190721Sthompsa td->did_stall = 0; 267190721Sthompsa 268184610Salfred /* clear stall and all I/O */ 269184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, 270184610Salfred 0xFF ^ (USS820_EPCON_TXSTL | 271184610Salfred USS820_EPCON_RXSTL | 272184610Salfred USS820_EPCON_RXIE | 273184610Salfred USS820_EPCON_TXOE), 0); 274184610Salfred 275184610Salfred /* clear end overwrite flag */ 276184610Salfred uss820dci_update_shared_1(sc, USS820_RXSTAT, 277184610Salfred 0xFF ^ USS820_RXSTAT_EDOVW, 0); 278184610Salfred 279184610Salfred /* get the packet byte count */ 280184610Salfred count = bus_space_read_1(td->io_tag, td->io_hdl, 281192448Sthompsa USS820_RXCNTL); 282184610Salfred count |= (bus_space_read_1(td->io_tag, td->io_hdl, 283192448Sthompsa USS820_RXCNTH) << 8); 284184610Salfred count &= 0x3FF; 285184610Salfred 286184610Salfred /* verify data length */ 287184610Salfred if (count != td->remainder) { 288184610Salfred DPRINTFN(0, "Invalid SETUP packet " 289184610Salfred "length, %d bytes\n", count); 290190722Sthompsa goto setup_not_complete; 291184610Salfred } 292184610Salfred if (count != sizeof(req)) { 293184610Salfred DPRINTFN(0, "Unsupported SETUP packet " 294184610Salfred "length, %d bytes\n", count); 295190722Sthompsa goto setup_not_complete; 296184610Salfred } 297184610Salfred /* receive data */ 298184610Salfred bus_space_read_multi_1(td->io_tag, td->io_hdl, 299192448Sthompsa USS820_RXDAT, (void *)&req, sizeof(req)); 300184610Salfred 301184610Salfred /* read out FIFO status */ 302184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 303192448Sthompsa USS820_RXSTAT); 304184610Salfred 305184610Salfred if (rx_stat & (USS820_RXSTAT_EDOVW | 306184610Salfred USS820_RXSTAT_STOVW)) { 307184610Salfred DPRINTF("new SETUP packet received\n"); 308184610Salfred return (1); /* not complete */ 309184610Salfred } 310184610Salfred /* clear receive setup bit */ 311184610Salfred uss820dci_update_shared_1(sc, USS820_RXSTAT, 312184610Salfred 0xFF ^ (USS820_RXSTAT_RXSETUP | 313184610Salfred USS820_RXSTAT_EDOVW | 314184610Salfred USS820_RXSTAT_STOVW), 0); 315184610Salfred 316184610Salfred /* set RXFFRC bit */ 317184610Salfred temp = bus_space_read_1(td->io_tag, td->io_hdl, 318192448Sthompsa USS820_RXCON); 319184610Salfred temp |= USS820_RXCON_RXFFRC; 320184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 321192448Sthompsa USS820_RXCON, temp); 322184610Salfred 323184610Salfred /* copy data into real buffer */ 324194228Sthompsa usbd_copy_in(td->pc, 0, &req, sizeof(req)); 325184610Salfred 326184610Salfred td->offset = sizeof(req); 327184610Salfred td->remainder = 0; 328184610Salfred 329184610Salfred /* sneak peek the set address */ 330184610Salfred if ((req.bmRequestType == UT_WRITE_DEVICE) && 331184610Salfred (req.bRequest == UR_SET_ADDRESS)) { 332184610Salfred sc->sc_dv_addr = req.wValue[0] & 0x7F; 333184610Salfred } else { 334184610Salfred sc->sc_dv_addr = 0xFF; 335184610Salfred } 336205034Sthompsa 337205034Sthompsa /* reset TX FIFO */ 338205034Sthompsa temp = USS820_READ_1(sc, USS820_TXCON); 339205034Sthompsa temp |= USS820_TXCON_TXCLR; 340205034Sthompsa USS820_WRITE_1(sc, USS820_TXCON, temp); 341205034Sthompsa temp &= ~USS820_TXCON_TXCLR; 342205034Sthompsa USS820_WRITE_1(sc, USS820_TXCON, temp); 343205034Sthompsa 344184610Salfred return (0); /* complete */ 345184610Salfred 346190722Sthompsasetup_not_complete: 347190722Sthompsa 348190722Sthompsa /* set RXFFRC bit */ 349190722Sthompsa temp = bus_space_read_1(td->io_tag, td->io_hdl, 350192448Sthompsa USS820_RXCON); 351190722Sthompsa temp |= USS820_RXCON_RXFFRC; 352190722Sthompsa bus_space_write_1(td->io_tag, td->io_hdl, 353192448Sthompsa USS820_RXCON, temp); 354190722Sthompsa 355190722Sthompsa /* FALLTHROUGH */ 356190722Sthompsa 357184610Salfrednot_complete: 358190721Sthompsa /* abort any ongoing transfer */ 359190721Sthompsa if (!td->did_stall) { 360190721Sthompsa DPRINTFN(5, "stalling\n"); 361190721Sthompsa /* set stall */ 362190721Sthompsa uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, 363190721Sthompsa (USS820_EPCON_TXSTL | USS820_EPCON_RXSTL)); 364190721Sthompsa 365190721Sthompsa td->did_stall = 1; 366190721Sthompsa } 367190721Sthompsa 368184610Salfred /* clear end overwrite flag, if any */ 369184610Salfred if (rx_stat & USS820_RXSTAT_RXSETUP) { 370184610Salfred uss820dci_update_shared_1(sc, USS820_RXSTAT, 371184610Salfred 0xFF ^ (USS820_RXSTAT_EDOVW | 372184610Salfred USS820_RXSTAT_STOVW | 373184610Salfred USS820_RXSTAT_RXSETUP), 0); 374184610Salfred } 375184610Salfred return (1); /* not complete */ 376184610Salfred 377184610Salfred} 378184610Salfred 379184610Salfredstatic uint8_t 380184610Salfreduss820dci_data_rx(struct uss820dci_td *td) 381184610Salfred{ 382192984Sthompsa struct usb_page_search buf_res; 383184610Salfred uint16_t count; 384184610Salfred uint8_t rx_flag; 385184610Salfred uint8_t rx_stat; 386184610Salfred uint8_t rx_cntl; 387184610Salfred uint8_t to; 388184610Salfred uint8_t got_short; 389184610Salfred 390184610Salfred to = 2; /* don't loop forever! */ 391184610Salfred got_short = 0; 392184610Salfred 393184610Salfred /* select the correct endpoint */ 394192448Sthompsa bus_space_write_1(td->io_tag, td->io_hdl, USS820_EPINDEX, td->ep_index); 395184610Salfred 396184610Salfred /* check if any of the FIFO banks have data */ 397184610Salfredrepeat: 398184610Salfred /* read out FIFO flag */ 399184610Salfred rx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 400192448Sthompsa USS820_RXFLG); 401184610Salfred /* read out FIFO status */ 402184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 403192448Sthompsa USS820_RXSTAT); 404184610Salfred 405184610Salfred DPRINTFN(5, "rx_stat=0x%02x rx_flag=0x%02x rem=%u\n", 406184610Salfred rx_stat, rx_flag, td->remainder); 407184610Salfred 408184610Salfred if (rx_stat & (USS820_RXSTAT_RXSETUP | 409184610Salfred USS820_RXSTAT_RXSOVW | 410184610Salfred USS820_RXSTAT_EDOVW)) { 411184610Salfred if (td->remainder == 0) { 412184610Salfred /* 413184610Salfred * We are actually complete and have 414184610Salfred * received the next SETUP 415184610Salfred */ 416184610Salfred DPRINTFN(5, "faking complete\n"); 417184610Salfred return (0); /* complete */ 418184610Salfred } 419184610Salfred /* 420184610Salfred * USB Host Aborted the transfer. 421184610Salfred */ 422184610Salfred td->error = 1; 423184610Salfred return (0); /* complete */ 424184610Salfred } 425184610Salfred /* check for errors */ 426184610Salfred if (rx_flag & (USS820_RXFLG_RXOVF | 427184610Salfred USS820_RXFLG_RXURF)) { 428184610Salfred DPRINTFN(5, "overflow or underflow\n"); 429184610Salfred /* should not happen */ 430184610Salfred td->error = 1; 431184610Salfred return (0); /* complete */ 432184610Salfred } 433184610Salfred /* check status */ 434184610Salfred if (!(rx_flag & (USS820_RXFLG_RXFIF0 | 435184610Salfred USS820_RXFLG_RXFIF1))) { 436184610Salfred 437184610Salfred /* read out EPCON register */ 438184610Salfred /* enable RX input */ 439192552Sthompsa if (!td->did_enable) { 440184610Salfred uss820dci_update_shared_1(USS820_DCI_PC2SC(td->pc), 441184610Salfred USS820_EPCON, 0xFF, USS820_EPCON_RXIE); 442192552Sthompsa td->did_enable = 1; 443184610Salfred } 444184610Salfred return (1); /* not complete */ 445184610Salfred } 446184610Salfred /* get the packet byte count */ 447184610Salfred count = bus_space_read_1(td->io_tag, td->io_hdl, 448192448Sthompsa USS820_RXCNTL); 449184610Salfred 450184610Salfred count |= (bus_space_read_1(td->io_tag, td->io_hdl, 451192448Sthompsa USS820_RXCNTH) << 8); 452184610Salfred count &= 0x3FF; 453184610Salfred 454184610Salfred DPRINTFN(5, "count=0x%04x\n", count); 455184610Salfred 456184610Salfred /* verify the packet byte count */ 457184610Salfred if (count != td->max_packet_size) { 458184610Salfred if (count < td->max_packet_size) { 459184610Salfred /* we have a short packet */ 460184610Salfred td->short_pkt = 1; 461184610Salfred got_short = 1; 462184610Salfred } else { 463184610Salfred /* invalid USB packet */ 464184610Salfred td->error = 1; 465184610Salfred return (0); /* we are complete */ 466184610Salfred } 467184610Salfred } 468184610Salfred /* verify the packet byte count */ 469184610Salfred if (count > td->remainder) { 470184610Salfred /* invalid USB packet */ 471184610Salfred td->error = 1; 472184610Salfred return (0); /* we are complete */ 473184610Salfred } 474184610Salfred while (count > 0) { 475194228Sthompsa usbd_get_page(td->pc, td->offset, &buf_res); 476184610Salfred 477184610Salfred /* get correct length */ 478184610Salfred if (buf_res.length > count) { 479184610Salfred buf_res.length = count; 480184610Salfred } 481184610Salfred /* receive data */ 482184610Salfred bus_space_read_multi_1(td->io_tag, td->io_hdl, 483192448Sthompsa USS820_RXDAT, buf_res.buffer, buf_res.length); 484184610Salfred 485184610Salfred /* update counters */ 486184610Salfred count -= buf_res.length; 487184610Salfred td->offset += buf_res.length; 488184610Salfred td->remainder -= buf_res.length; 489184610Salfred } 490184610Salfred 491184610Salfred /* set RXFFRC bit */ 492184610Salfred rx_cntl = bus_space_read_1(td->io_tag, td->io_hdl, 493192448Sthompsa USS820_RXCON); 494184610Salfred rx_cntl |= USS820_RXCON_RXFFRC; 495184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 496192448Sthompsa USS820_RXCON, rx_cntl); 497184610Salfred 498184610Salfred /* check if we are complete */ 499184610Salfred if ((td->remainder == 0) || got_short) { 500184610Salfred if (td->short_pkt) { 501184610Salfred /* we are complete */ 502184610Salfred return (0); 503184610Salfred } 504184610Salfred /* else need to receive a zero length packet */ 505184610Salfred } 506184610Salfred if (--to) { 507184610Salfred goto repeat; 508184610Salfred } 509184610Salfred return (1); /* not complete */ 510184610Salfred} 511184610Salfred 512184610Salfredstatic uint8_t 513184610Salfreduss820dci_data_tx(struct uss820dci_td *td) 514184610Salfred{ 515192984Sthompsa struct usb_page_search buf_res; 516184610Salfred uint16_t count; 517184610Salfred uint16_t count_copy; 518184610Salfred uint8_t rx_stat; 519184610Salfred uint8_t tx_flag; 520184610Salfred uint8_t to; 521184610Salfred 522184610Salfred /* select the correct endpoint */ 523184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 524192448Sthompsa USS820_EPINDEX, td->ep_index); 525184610Salfred 526184610Salfred to = 2; /* don't loop forever! */ 527184610Salfred 528184610Salfredrepeat: 529184610Salfred /* read out TX FIFO flags */ 530184610Salfred tx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 531192448Sthompsa USS820_TXFLG); 532184610Salfred 533184610Salfred /* read out RX FIFO status last */ 534184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 535192448Sthompsa USS820_RXSTAT); 536184610Salfred 537184610Salfred DPRINTFN(5, "rx_stat=0x%02x tx_flag=0x%02x rem=%u\n", 538184610Salfred rx_stat, tx_flag, td->remainder); 539184610Salfred 540184610Salfred if (rx_stat & (USS820_RXSTAT_RXSETUP | 541184610Salfred USS820_RXSTAT_RXSOVW | 542184610Salfred USS820_RXSTAT_EDOVW)) { 543184610Salfred /* 544184610Salfred * The current transfer was aborted 545184610Salfred * by the USB Host 546184610Salfred */ 547184610Salfred td->error = 1; 548184610Salfred return (0); /* complete */ 549184610Salfred } 550184610Salfred if (tx_flag & (USS820_TXFLG_TXOVF | 551184610Salfred USS820_TXFLG_TXURF)) { 552184610Salfred td->error = 1; 553184610Salfred return (0); /* complete */ 554184610Salfred } 555184610Salfred if (tx_flag & USS820_TXFLG_TXFIF0) { 556184610Salfred if (tx_flag & USS820_TXFLG_TXFIF1) { 557184610Salfred return (1); /* not complete */ 558184610Salfred } 559184610Salfred } 560184610Salfred if ((!td->support_multi_buffer) && 561184610Salfred (tx_flag & (USS820_TXFLG_TXFIF0 | 562184610Salfred USS820_TXFLG_TXFIF1))) { 563184610Salfred return (1); /* not complete */ 564184610Salfred } 565184610Salfred count = td->max_packet_size; 566184610Salfred if (td->remainder < count) { 567184610Salfred /* we have a short packet */ 568184610Salfred td->short_pkt = 1; 569184610Salfred count = td->remainder; 570184610Salfred } 571184610Salfred count_copy = count; 572184610Salfred while (count > 0) { 573184610Salfred 574194228Sthompsa usbd_get_page(td->pc, td->offset, &buf_res); 575184610Salfred 576184610Salfred /* get correct length */ 577184610Salfred if (buf_res.length > count) { 578184610Salfred buf_res.length = count; 579184610Salfred } 580184610Salfred /* transmit data */ 581184610Salfred bus_space_write_multi_1(td->io_tag, td->io_hdl, 582192448Sthompsa USS820_TXDAT, buf_res.buffer, buf_res.length); 583184610Salfred 584184610Salfred /* update counters */ 585184610Salfred count -= buf_res.length; 586184610Salfred td->offset += buf_res.length; 587184610Salfred td->remainder -= buf_res.length; 588184610Salfred } 589184610Salfred 590184610Salfred /* post-write high packet byte count first */ 591184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 592192448Sthompsa USS820_TXCNTH, count_copy >> 8); 593184610Salfred 594184610Salfred /* post-write low packet byte count last */ 595184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 596192448Sthompsa USS820_TXCNTL, count_copy); 597184610Salfred 598184610Salfred /* 599184610Salfred * Enable TX output, which must happen after that we have written 600184610Salfred * data into the FIFO. This is undocumented. 601184610Salfred */ 602192552Sthompsa if (!td->did_enable) { 603184610Salfred uss820dci_update_shared_1(USS820_DCI_PC2SC(td->pc), 604184610Salfred USS820_EPCON, 0xFF, USS820_EPCON_TXOE); 605192552Sthompsa td->did_enable = 1; 606184610Salfred } 607184610Salfred /* check remainder */ 608184610Salfred if (td->remainder == 0) { 609184610Salfred if (td->short_pkt) { 610184610Salfred return (0); /* complete */ 611184610Salfred } 612184610Salfred /* else we need to transmit a short packet */ 613184610Salfred } 614184610Salfred if (--to) { 615184610Salfred goto repeat; 616184610Salfred } 617184610Salfred return (1); /* not complete */ 618184610Salfred} 619184610Salfred 620184610Salfredstatic uint8_t 621184610Salfreduss820dci_data_tx_sync(struct uss820dci_td *td) 622184610Salfred{ 623184610Salfred struct uss820dci_softc *sc; 624184610Salfred uint8_t rx_stat; 625184610Salfred uint8_t tx_flag; 626184610Salfred 627184610Salfred /* select the correct endpoint */ 628184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 629192448Sthompsa USS820_EPINDEX, td->ep_index); 630184610Salfred 631184610Salfred /* read out TX FIFO flag */ 632184610Salfred tx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 633192448Sthompsa USS820_TXFLG); 634184610Salfred 635184610Salfred /* read out RX FIFO status last */ 636184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 637192448Sthompsa USS820_RXSTAT); 638184610Salfred 639184610Salfred DPRINTFN(5, "rx_stat=0x%02x rem=%u\n", rx_stat, td->remainder); 640184610Salfred 641184610Salfred if (rx_stat & (USS820_RXSTAT_RXSETUP | 642184610Salfred USS820_RXSTAT_RXSOVW | 643184610Salfred USS820_RXSTAT_EDOVW)) { 644184610Salfred DPRINTFN(5, "faking complete\n"); 645184610Salfred /* Race condition */ 646184610Salfred return (0); /* complete */ 647184610Salfred } 648184610Salfred DPRINTFN(5, "tx_flag=0x%02x rem=%u\n", 649184610Salfred tx_flag, td->remainder); 650184610Salfred 651184610Salfred if (tx_flag & (USS820_TXFLG_TXOVF | 652184610Salfred USS820_TXFLG_TXURF)) { 653184610Salfred td->error = 1; 654184610Salfred return (0); /* complete */ 655184610Salfred } 656184610Salfred if (tx_flag & (USS820_TXFLG_TXFIF0 | 657184610Salfred USS820_TXFLG_TXFIF1)) { 658184610Salfred return (1); /* not complete */ 659184610Salfred } 660184610Salfred sc = USS820_DCI_PC2SC(td->pc); 661184610Salfred if (sc->sc_dv_addr != 0xFF) { 662184610Salfred /* write function address */ 663184610Salfred uss820dci_set_address(sc, sc->sc_dv_addr); 664184610Salfred } 665184610Salfred return (0); /* complete */ 666184610Salfred} 667184610Salfred 668184610Salfredstatic uint8_t 669192984Sthompsauss820dci_xfer_do_fifo(struct usb_xfer *xfer) 670184610Salfred{ 671184610Salfred struct uss820dci_td *td; 672184610Salfred 673184610Salfred DPRINTFN(9, "\n"); 674184610Salfred 675184610Salfred td = xfer->td_transfer_cache; 676184610Salfred while (1) { 677184610Salfred if ((td->func) (td)) { 678184610Salfred /* operation in progress */ 679184610Salfred break; 680184610Salfred } 681184610Salfred if (((void *)td) == xfer->td_transfer_last) { 682184610Salfred goto done; 683184610Salfred } 684184610Salfred if (td->error) { 685184610Salfred goto done; 686184610Salfred } else if (td->remainder > 0) { 687184610Salfred /* 688184610Salfred * We had a short transfer. If there is no alternate 689184610Salfred * next, stop processing ! 690184610Salfred */ 691184610Salfred if (!td->alt_next) { 692184610Salfred goto done; 693184610Salfred } 694184610Salfred } 695184610Salfred /* 696184610Salfred * Fetch the next transfer descriptor. 697184610Salfred */ 698184610Salfred td = td->obj_next; 699184610Salfred xfer->td_transfer_cache = td; 700184610Salfred } 701184610Salfred return (1); /* not complete */ 702184610Salfred 703184610Salfreddone: 704184610Salfred /* compute all actual lengths */ 705184610Salfred 706184610Salfred uss820dci_standard_done(xfer); 707184610Salfred 708184610Salfred return (0); /* complete */ 709184610Salfred} 710184610Salfred 711184610Salfredstatic void 712184610Salfreduss820dci_interrupt_poll(struct uss820dci_softc *sc) 713184610Salfred{ 714192984Sthompsa struct usb_xfer *xfer; 715184610Salfred 716184610Salfredrepeat: 717184610Salfred TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { 718184610Salfred if (!uss820dci_xfer_do_fifo(xfer)) { 719184610Salfred /* queue has been modified */ 720184610Salfred goto repeat; 721184610Salfred } 722184610Salfred } 723184610Salfred} 724184610Salfred 725184610Salfredstatic void 726184610Salfreduss820dci_wait_suspend(struct uss820dci_softc *sc, uint8_t on) 727184610Salfred{ 728184610Salfred uint8_t scr; 729184610Salfred uint8_t scratch; 730184610Salfred 731184610Salfred scr = USS820_READ_1(sc, USS820_SCR); 732184610Salfred scratch = USS820_READ_1(sc, USS820_SCRATCH); 733184610Salfred 734184610Salfred if (on) { 735184610Salfred scr |= USS820_SCR_IE_SUSP; 736184610Salfred scratch &= ~USS820_SCRATCH_IE_RESUME; 737184610Salfred } else { 738184610Salfred scr &= ~USS820_SCR_IE_SUSP; 739184610Salfred scratch |= USS820_SCRATCH_IE_RESUME; 740184610Salfred } 741184610Salfred 742184610Salfred USS820_WRITE_1(sc, USS820_SCR, scr); 743184610Salfred USS820_WRITE_1(sc, USS820_SCRATCH, scratch); 744184610Salfred} 745184610Salfred 746184610Salfredvoid 747184610Salfreduss820dci_interrupt(struct uss820dci_softc *sc) 748184610Salfred{ 749184610Salfred uint8_t ssr; 750184610Salfred uint8_t event; 751184610Salfred 752184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 753184610Salfred 754184610Salfred ssr = USS820_READ_1(sc, USS820_SSR); 755184610Salfred 756184610Salfred ssr &= (USS820_SSR_SUSPEND | 757184610Salfred USS820_SSR_RESUME | 758184610Salfred USS820_SSR_RESET); 759184610Salfred 760184610Salfred /* acknowledge all interrupts */ 761184610Salfred 762184610Salfred uss820dci_update_shared_1(sc, USS820_SSR, 0, 0); 763184610Salfred 764184610Salfred /* check for any bus state change interrupts */ 765184610Salfred 766184610Salfred if (ssr) { 767184610Salfred 768184610Salfred event = 0; 769184610Salfred 770184610Salfred if (ssr & USS820_SSR_RESET) { 771184610Salfred sc->sc_flags.status_bus_reset = 1; 772184610Salfred sc->sc_flags.status_suspend = 0; 773184610Salfred sc->sc_flags.change_suspend = 0; 774184610Salfred sc->sc_flags.change_connect = 1; 775184610Salfred 776184610Salfred /* disable resume interrupt */ 777184610Salfred uss820dci_wait_suspend(sc, 1); 778184610Salfred 779184610Salfred event = 1; 780184610Salfred } 781184610Salfred /* 782184610Salfred * If "RESUME" and "SUSPEND" is set at the same time 783184610Salfred * we interpret that like "RESUME". Resume is set when 784184610Salfred * there is at least 3 milliseconds of inactivity on 785184610Salfred * the USB BUS. 786184610Salfred */ 787184610Salfred if (ssr & USS820_SSR_RESUME) { 788184610Salfred if (sc->sc_flags.status_suspend) { 789184610Salfred sc->sc_flags.status_suspend = 0; 790184610Salfred sc->sc_flags.change_suspend = 1; 791184610Salfred /* disable resume interrupt */ 792184610Salfred uss820dci_wait_suspend(sc, 1); 793184610Salfred event = 1; 794184610Salfred } 795184610Salfred } else if (ssr & USS820_SSR_SUSPEND) { 796184610Salfred if (!sc->sc_flags.status_suspend) { 797184610Salfred sc->sc_flags.status_suspend = 1; 798184610Salfred sc->sc_flags.change_suspend = 1; 799184610Salfred /* enable resume interrupt */ 800184610Salfred uss820dci_wait_suspend(sc, 0); 801184610Salfred event = 1; 802184610Salfred } 803184610Salfred } 804184610Salfred if (event) { 805184610Salfred 806184610Salfred DPRINTF("real bus interrupt 0x%02x\n", ssr); 807184610Salfred 808184610Salfred /* complete root HUB interrupt endpoint */ 809190735Sthompsa uss820dci_root_intr(sc); 810184610Salfred } 811184610Salfred } 812184610Salfred /* acknowledge all SBI interrupts */ 813184610Salfred uss820dci_update_shared_1(sc, USS820_SBI, 0, 0); 814184610Salfred 815184610Salfred /* acknowledge all SBI1 interrupts */ 816184610Salfred uss820dci_update_shared_1(sc, USS820_SBI1, 0, 0); 817184610Salfred 818184610Salfred /* poll all active transfers */ 819184610Salfred uss820dci_interrupt_poll(sc); 820184610Salfred 821184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 822184610Salfred} 823184610Salfred 824184610Salfredstatic void 825184610Salfreduss820dci_setup_standard_chain_sub(struct uss820_std_temp *temp) 826184610Salfred{ 827184610Salfred struct uss820dci_td *td; 828184610Salfred 829184610Salfred /* get current Transfer Descriptor */ 830184610Salfred td = temp->td_next; 831184610Salfred temp->td = td; 832184610Salfred 833184610Salfred /* prepare for next TD */ 834184610Salfred temp->td_next = td->obj_next; 835184610Salfred 836184610Salfred /* fill out the Transfer Descriptor */ 837184610Salfred td->func = temp->func; 838184610Salfred td->pc = temp->pc; 839184610Salfred td->offset = temp->offset; 840184610Salfred td->remainder = temp->len; 841184610Salfred td->error = 0; 842192552Sthompsa td->did_enable = 0; 843192552Sthompsa td->did_stall = temp->did_stall; 844184610Salfred td->short_pkt = temp->short_pkt; 845184610Salfred td->alt_next = temp->setup_alt_next; 846184610Salfred} 847184610Salfred 848184610Salfredstatic void 849192984Sthompsauss820dci_setup_standard_chain(struct usb_xfer *xfer) 850184610Salfred{ 851184610Salfred struct uss820_std_temp temp; 852184610Salfred struct uss820dci_softc *sc; 853184610Salfred struct uss820dci_td *td; 854184610Salfred uint32_t x; 855184610Salfred uint8_t ep_no; 856184610Salfred 857184610Salfred DPRINTFN(9, "addr=%d endpt=%d sumlen=%d speed=%d\n", 858193644Sthompsa xfer->address, UE_GET_ADDR(xfer->endpointno), 859194228Sthompsa xfer->sumlen, usbd_get_speed(xfer->xroot->udev)); 860184610Salfred 861184610Salfred temp.max_frame_size = xfer->max_frame_size; 862184610Salfred 863184610Salfred td = xfer->td_start[0]; 864184610Salfred xfer->td_transfer_first = td; 865184610Salfred xfer->td_transfer_cache = td; 866184610Salfred 867184610Salfred /* setup temp */ 868184610Salfred 869199673Sthompsa temp.pc = NULL; 870184610Salfred temp.td = NULL; 871184610Salfred temp.td_next = xfer->td_start[0]; 872190183Sthompsa temp.offset = 0; 873184610Salfred temp.setup_alt_next = xfer->flags_int.short_frames_ok; 874192552Sthompsa temp.did_stall = !xfer->flags_int.control_stall; 875184610Salfred 876187173Sthompsa sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 877193644Sthompsa ep_no = (xfer->endpointno & UE_ADDR); 878184610Salfred 879184610Salfred /* check if we should prepend a setup message */ 880184610Salfred 881184610Salfred if (xfer->flags_int.control_xfr) { 882184610Salfred if (xfer->flags_int.control_hdr) { 883184610Salfred 884184610Salfred temp.func = &uss820dci_setup_rx; 885184610Salfred temp.len = xfer->frlengths[0]; 886184610Salfred temp.pc = xfer->frbuffers + 0; 887184610Salfred temp.short_pkt = temp.len ? 1 : 0; 888190183Sthompsa /* check for last frame */ 889190183Sthompsa if (xfer->nframes == 1) { 890190183Sthompsa /* no STATUS stage yet, SETUP is last */ 891190183Sthompsa if (xfer->flags_int.control_act) 892190183Sthompsa temp.setup_alt_next = 0; 893190183Sthompsa } 894184610Salfred 895184610Salfred uss820dci_setup_standard_chain_sub(&temp); 896184610Salfred } 897184610Salfred x = 1; 898184610Salfred } else { 899184610Salfred x = 0; 900184610Salfred } 901184610Salfred 902184610Salfred if (x != xfer->nframes) { 903193644Sthompsa if (xfer->endpointno & UE_DIR_IN) { 904184610Salfred temp.func = &uss820dci_data_tx; 905184610Salfred } else { 906184610Salfred temp.func = &uss820dci_data_rx; 907184610Salfred } 908184610Salfred 909184610Salfred /* setup "pc" pointer */ 910184610Salfred temp.pc = xfer->frbuffers + x; 911184610Salfred } 912184610Salfred while (x != xfer->nframes) { 913184610Salfred 914184610Salfred /* DATA0 / DATA1 message */ 915184610Salfred 916184610Salfred temp.len = xfer->frlengths[x]; 917184610Salfred 918184610Salfred x++; 919184610Salfred 920184610Salfred if (x == xfer->nframes) { 921190183Sthompsa if (xfer->flags_int.control_xfr) { 922190183Sthompsa if (xfer->flags_int.control_act) { 923190183Sthompsa temp.setup_alt_next = 0; 924190183Sthompsa } 925190183Sthompsa } else { 926190183Sthompsa temp.setup_alt_next = 0; 927190183Sthompsa } 928184610Salfred } 929184610Salfred if (temp.len == 0) { 930184610Salfred 931184610Salfred /* make sure that we send an USB packet */ 932184610Salfred 933184610Salfred temp.short_pkt = 0; 934184610Salfred 935184610Salfred } else { 936184610Salfred 937184610Salfred /* regular data transfer */ 938184610Salfred 939184610Salfred temp.short_pkt = (xfer->flags.force_short_xfer) ? 0 : 1; 940184610Salfred } 941184610Salfred 942184610Salfred uss820dci_setup_standard_chain_sub(&temp); 943184610Salfred 944184610Salfred if (xfer->flags_int.isochronous_xfr) { 945184610Salfred temp.offset += temp.len; 946184610Salfred } else { 947184610Salfred /* get next Page Cache pointer */ 948184610Salfred temp.pc = xfer->frbuffers + x; 949184610Salfred } 950184610Salfred } 951184610Salfred 952190183Sthompsa /* check for control transfer */ 953190183Sthompsa if (xfer->flags_int.control_xfr) { 954184610Salfred uint8_t need_sync; 955184610Salfred 956190183Sthompsa /* always setup a valid "pc" pointer for status and sync */ 957190183Sthompsa temp.pc = xfer->frbuffers + 0; 958184610Salfred temp.len = 0; 959184610Salfred temp.short_pkt = 0; 960190183Sthompsa temp.setup_alt_next = 0; 961184610Salfred 962190183Sthompsa /* check if we should append a status stage */ 963190183Sthompsa if (!xfer->flags_int.control_act) { 964190183Sthompsa 965190183Sthompsa /* 966190183Sthompsa * Send a DATA1 message and invert the current 967190183Sthompsa * endpoint direction. 968190183Sthompsa */ 969193644Sthompsa if (xfer->endpointno & UE_DIR_IN) { 970190183Sthompsa temp.func = &uss820dci_data_rx; 971190183Sthompsa need_sync = 0; 972190183Sthompsa } else { 973190183Sthompsa temp.func = &uss820dci_data_tx; 974190183Sthompsa need_sync = 1; 975190183Sthompsa } 976184610Salfred temp.len = 0; 977184610Salfred temp.short_pkt = 0; 978184610Salfred 979184610Salfred uss820dci_setup_standard_chain_sub(&temp); 980190183Sthompsa if (need_sync) { 981190183Sthompsa /* we need a SYNC point after TX */ 982190183Sthompsa temp.func = &uss820dci_data_tx_sync; 983190183Sthompsa uss820dci_setup_standard_chain_sub(&temp); 984190183Sthompsa } 985184610Salfred } 986184610Salfred } 987184610Salfred /* must have at least one frame! */ 988184610Salfred td = temp.td; 989184610Salfred xfer->td_transfer_last = td; 990184610Salfred} 991184610Salfred 992184610Salfredstatic void 993184610Salfreduss820dci_timeout(void *arg) 994184610Salfred{ 995192984Sthompsa struct usb_xfer *xfer = arg; 996184610Salfred 997184610Salfred DPRINTF("xfer=%p\n", xfer); 998184610Salfred 999187173Sthompsa USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); 1000184610Salfred 1001184610Salfred /* transfer is transferred */ 1002184610Salfred uss820dci_device_done(xfer, USB_ERR_TIMEOUT); 1003184610Salfred} 1004184610Salfred 1005184610Salfredstatic void 1006192984Sthompsauss820dci_intr_set(struct usb_xfer *xfer, uint8_t set) 1007184610Salfred{ 1008187173Sthompsa struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 1009193644Sthompsa uint8_t ep_no = (xfer->endpointno & UE_ADDR); 1010184610Salfred uint8_t ep_reg; 1011184610Salfred uint8_t temp; 1012184610Salfred 1013193644Sthompsa DPRINTFN(15, "endpoint 0x%02x\n", xfer->endpointno); 1014184610Salfred 1015184610Salfred if (ep_no > 3) { 1016184610Salfred ep_reg = USS820_SBIE1; 1017184610Salfred } else { 1018184610Salfred ep_reg = USS820_SBIE; 1019184610Salfred } 1020184610Salfred 1021184610Salfred ep_no &= 3; 1022184610Salfred ep_no = 1 << (2 * ep_no); 1023184610Salfred 1024184610Salfred if (xfer->flags_int.control_xfr) { 1025184610Salfred if (xfer->flags_int.control_hdr) { 1026184610Salfred ep_no <<= 1; /* RX interrupt only */ 1027184610Salfred } else { 1028184610Salfred ep_no |= (ep_no << 1); /* RX and TX interrupt */ 1029184610Salfred } 1030184610Salfred } else { 1031193644Sthompsa if (!(xfer->endpointno & UE_DIR_IN)) { 1032184610Salfred ep_no <<= 1; 1033184610Salfred } 1034184610Salfred } 1035184610Salfred temp = USS820_READ_1(sc, ep_reg); 1036184610Salfred if (set) { 1037184610Salfred temp |= ep_no; 1038184610Salfred } else { 1039184610Salfred temp &= ~ep_no; 1040184610Salfred } 1041184610Salfred USS820_WRITE_1(sc, ep_reg, temp); 1042184610Salfred} 1043184610Salfred 1044184610Salfredstatic void 1045192984Sthompsauss820dci_start_standard_chain(struct usb_xfer *xfer) 1046184610Salfred{ 1047184610Salfred DPRINTFN(9, "\n"); 1048184610Salfred 1049184610Salfred /* poll one time */ 1050184610Salfred if (uss820dci_xfer_do_fifo(xfer)) { 1051184610Salfred 1052184610Salfred /* 1053184610Salfred * Only enable the endpoint interrupt when we are 1054184610Salfred * actually waiting for data, hence we are dealing 1055184610Salfred * with level triggered interrupts ! 1056184610Salfred */ 1057184610Salfred uss820dci_intr_set(xfer, 1); 1058184610Salfred 1059184610Salfred /* put transfer on interrupt queue */ 1060194228Sthompsa usbd_transfer_enqueue(&xfer->xroot->bus->intr_q, xfer); 1061184610Salfred 1062184610Salfred /* start timeout, if any */ 1063184610Salfred if (xfer->timeout != 0) { 1064194228Sthompsa usbd_transfer_timeout_ms(xfer, 1065184610Salfred &uss820dci_timeout, xfer->timeout); 1066184610Salfred } 1067184610Salfred } 1068184610Salfred} 1069184610Salfred 1070184610Salfredstatic void 1071190735Sthompsauss820dci_root_intr(struct uss820dci_softc *sc) 1072184610Salfred{ 1073184610Salfred DPRINTFN(9, "\n"); 1074184610Salfred 1075184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 1076184610Salfred 1077184610Salfred /* set port bit */ 1078184610Salfred sc->sc_hub_idata[0] = 0x02; /* we only have one port */ 1079184610Salfred 1080190735Sthompsa uhub_root_intr(&sc->sc_bus, sc->sc_hub_idata, 1081190735Sthompsa sizeof(sc->sc_hub_idata)); 1082184610Salfred} 1083184610Salfred 1084193045Sthompsastatic usb_error_t 1085192984Sthompsauss820dci_standard_done_sub(struct usb_xfer *xfer) 1086184610Salfred{ 1087184610Salfred struct uss820dci_td *td; 1088184610Salfred uint32_t len; 1089184610Salfred uint8_t error; 1090184610Salfred 1091184610Salfred DPRINTFN(9, "\n"); 1092184610Salfred 1093184610Salfred td = xfer->td_transfer_cache; 1094184610Salfred 1095184610Salfred do { 1096184610Salfred len = td->remainder; 1097184610Salfred 1098184610Salfred if (xfer->aframes != xfer->nframes) { 1099184610Salfred /* 1100184610Salfred * Verify the length and subtract 1101184610Salfred * the remainder from "frlengths[]": 1102184610Salfred */ 1103184610Salfred if (len > xfer->frlengths[xfer->aframes]) { 1104184610Salfred td->error = 1; 1105184610Salfred } else { 1106184610Salfred xfer->frlengths[xfer->aframes] -= len; 1107184610Salfred } 1108184610Salfred } 1109184610Salfred /* Check for transfer error */ 1110184610Salfred if (td->error) { 1111184610Salfred /* the transfer is finished */ 1112184610Salfred error = 1; 1113184610Salfred td = NULL; 1114184610Salfred break; 1115184610Salfred } 1116184610Salfred /* Check for short transfer */ 1117184610Salfred if (len > 0) { 1118184610Salfred if (xfer->flags_int.short_frames_ok) { 1119184610Salfred /* follow alt next */ 1120184610Salfred if (td->alt_next) { 1121184610Salfred td = td->obj_next; 1122184610Salfred } else { 1123184610Salfred td = NULL; 1124184610Salfred } 1125184610Salfred } else { 1126184610Salfred /* the transfer is finished */ 1127184610Salfred td = NULL; 1128184610Salfred } 1129184610Salfred error = 0; 1130184610Salfred break; 1131184610Salfred } 1132184610Salfred td = td->obj_next; 1133184610Salfred 1134184610Salfred /* this USB frame is complete */ 1135184610Salfred error = 0; 1136184610Salfred break; 1137184610Salfred 1138184610Salfred } while (0); 1139184610Salfred 1140184610Salfred /* update transfer cache */ 1141184610Salfred 1142184610Salfred xfer->td_transfer_cache = td; 1143184610Salfred 1144184610Salfred return (error ? 1145184610Salfred USB_ERR_STALLED : USB_ERR_NORMAL_COMPLETION); 1146184610Salfred} 1147184610Salfred 1148184610Salfredstatic void 1149192984Sthompsauss820dci_standard_done(struct usb_xfer *xfer) 1150184610Salfred{ 1151193045Sthompsa usb_error_t err = 0; 1152184610Salfred 1153193644Sthompsa DPRINTFN(13, "xfer=%p endpoint=%p transfer done\n", 1154193644Sthompsa xfer, xfer->endpoint); 1155184610Salfred 1156184610Salfred /* reset scanner */ 1157184610Salfred 1158184610Salfred xfer->td_transfer_cache = xfer->td_transfer_first; 1159184610Salfred 1160184610Salfred if (xfer->flags_int.control_xfr) { 1161184610Salfred 1162184610Salfred if (xfer->flags_int.control_hdr) { 1163184610Salfred 1164184610Salfred err = uss820dci_standard_done_sub(xfer); 1165184610Salfred } 1166184610Salfred xfer->aframes = 1; 1167184610Salfred 1168184610Salfred if (xfer->td_transfer_cache == NULL) { 1169184610Salfred goto done; 1170184610Salfred } 1171184610Salfred } 1172184610Salfred while (xfer->aframes != xfer->nframes) { 1173184610Salfred 1174184610Salfred err = uss820dci_standard_done_sub(xfer); 1175184610Salfred xfer->aframes++; 1176184610Salfred 1177184610Salfred if (xfer->td_transfer_cache == NULL) { 1178184610Salfred goto done; 1179184610Salfred } 1180184610Salfred } 1181184610Salfred 1182184610Salfred if (xfer->flags_int.control_xfr && 1183184610Salfred !xfer->flags_int.control_act) { 1184184610Salfred 1185184610Salfred err = uss820dci_standard_done_sub(xfer); 1186184610Salfred } 1187184610Salfreddone: 1188184610Salfred uss820dci_device_done(xfer, err); 1189184610Salfred} 1190184610Salfred 1191184610Salfred/*------------------------------------------------------------------------* 1192184610Salfred * uss820dci_device_done 1193184610Salfred * 1194184610Salfred * NOTE: this function can be called more than one time on the 1195184610Salfred * same USB transfer! 1196184610Salfred *------------------------------------------------------------------------*/ 1197184610Salfredstatic void 1198193045Sthompsauss820dci_device_done(struct usb_xfer *xfer, usb_error_t error) 1199184610Salfred{ 1200187173Sthompsa USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); 1201184610Salfred 1202193644Sthompsa DPRINTFN(2, "xfer=%p, endpoint=%p, error=%d\n", 1203193644Sthompsa xfer, xfer->endpoint, error); 1204184610Salfred 1205192499Sthompsa if (xfer->flags_int.usb_mode == USB_MODE_DEVICE) { 1206184610Salfred uss820dci_intr_set(xfer, 0); 1207184610Salfred } 1208184610Salfred /* dequeue transfer and start next transfer */ 1209194228Sthompsa usbd_transfer_done(xfer, error); 1210184610Salfred} 1211184610Salfred 1212184610Salfredstatic void 1213192984Sthompsauss820dci_set_stall(struct usb_device *udev, struct usb_xfer *xfer, 1214195121Sthompsa struct usb_endpoint *ep, uint8_t *did_stall) 1215184610Salfred{ 1216184610Salfred struct uss820dci_softc *sc; 1217184610Salfred uint8_t ep_no; 1218184610Salfred uint8_t ep_type; 1219184610Salfred uint8_t ep_dir; 1220184610Salfred uint8_t temp; 1221184610Salfred 1222184824Sthompsa USB_BUS_LOCK_ASSERT(udev->bus, MA_OWNED); 1223184610Salfred 1224193644Sthompsa DPRINTFN(5, "endpoint=%p\n", ep); 1225184610Salfred 1226184610Salfred if (xfer) { 1227184610Salfred /* cancel any ongoing transfers */ 1228184610Salfred uss820dci_device_done(xfer, USB_ERR_STALLED); 1229184610Salfred } 1230184610Salfred /* set FORCESTALL */ 1231184610Salfred sc = USS820_DCI_BUS2SC(udev->bus); 1232193644Sthompsa ep_no = (ep->edesc->bEndpointAddress & UE_ADDR); 1233193644Sthompsa ep_dir = (ep->edesc->bEndpointAddress & (UE_DIR_IN | UE_DIR_OUT)); 1234193644Sthompsa ep_type = (ep->edesc->bmAttributes & UE_XFERTYPE); 1235184610Salfred 1236184610Salfred if (ep_type == UE_CONTROL) { 1237184610Salfred /* should not happen */ 1238184610Salfred return; 1239184610Salfred } 1240184610Salfred USS820_WRITE_1(sc, USS820_EPINDEX, ep_no); 1241184610Salfred 1242184610Salfred if (ep_dir == UE_DIR_IN) { 1243184610Salfred temp = USS820_EPCON_TXSTL; 1244184610Salfred } else { 1245184610Salfred temp = USS820_EPCON_RXSTL; 1246184610Salfred } 1247184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, temp); 1248184610Salfred} 1249184610Salfred 1250184610Salfredstatic void 1251184610Salfreduss820dci_clear_stall_sub(struct uss820dci_softc *sc, 1252184610Salfred uint8_t ep_no, uint8_t ep_type, uint8_t ep_dir) 1253184610Salfred{ 1254184610Salfred uint8_t temp; 1255184610Salfred 1256184610Salfred if (ep_type == UE_CONTROL) { 1257184610Salfred /* clearing stall is not needed */ 1258184610Salfred return; 1259184610Salfred } 1260184610Salfred /* select endpoint index */ 1261184610Salfred USS820_WRITE_1(sc, USS820_EPINDEX, ep_no); 1262184610Salfred 1263184610Salfred /* clear stall and disable I/O transfers */ 1264184610Salfred if (ep_dir == UE_DIR_IN) { 1265184610Salfred temp = 0xFF ^ (USS820_EPCON_TXOE | 1266184610Salfred USS820_EPCON_TXSTL); 1267184610Salfred } else { 1268184610Salfred temp = 0xFF ^ (USS820_EPCON_RXIE | 1269184610Salfred USS820_EPCON_RXSTL); 1270184610Salfred } 1271184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, temp, 0); 1272184610Salfred 1273184610Salfred if (ep_dir == UE_DIR_IN) { 1274184610Salfred /* reset data toggle */ 1275184610Salfred USS820_WRITE_1(sc, USS820_TXSTAT, 1276184610Salfred USS820_TXSTAT_TXSOVW); 1277184610Salfred 1278184610Salfred /* reset FIFO */ 1279184610Salfred temp = USS820_READ_1(sc, USS820_TXCON); 1280184610Salfred temp |= USS820_TXCON_TXCLR; 1281184610Salfred USS820_WRITE_1(sc, USS820_TXCON, temp); 1282184610Salfred temp &= ~USS820_TXCON_TXCLR; 1283184610Salfred USS820_WRITE_1(sc, USS820_TXCON, temp); 1284184610Salfred } else { 1285184610Salfred 1286184610Salfred /* reset data toggle */ 1287184610Salfred uss820dci_update_shared_1(sc, USS820_RXSTAT, 1288184610Salfred 0, USS820_RXSTAT_RXSOVW); 1289184610Salfred 1290184610Salfred /* reset FIFO */ 1291184610Salfred temp = USS820_READ_1(sc, USS820_RXCON); 1292184610Salfred temp |= USS820_RXCON_RXCLR; 1293184610Salfred temp &= ~USS820_RXCON_RXFFRC; 1294184610Salfred USS820_WRITE_1(sc, USS820_RXCON, temp); 1295184610Salfred temp &= ~USS820_RXCON_RXCLR; 1296184610Salfred USS820_WRITE_1(sc, USS820_RXCON, temp); 1297184610Salfred } 1298184610Salfred} 1299184610Salfred 1300184610Salfredstatic void 1301193644Sthompsauss820dci_clear_stall(struct usb_device *udev, struct usb_endpoint *ep) 1302184610Salfred{ 1303184610Salfred struct uss820dci_softc *sc; 1304192984Sthompsa struct usb_endpoint_descriptor *ed; 1305184610Salfred 1306184824Sthompsa USB_BUS_LOCK_ASSERT(udev->bus, MA_OWNED); 1307184610Salfred 1308193644Sthompsa DPRINTFN(5, "endpoint=%p\n", ep); 1309184610Salfred 1310184610Salfred /* check mode */ 1311192499Sthompsa if (udev->flags.usb_mode != USB_MODE_DEVICE) { 1312184610Salfred /* not supported */ 1313184610Salfred return; 1314184610Salfred } 1315184610Salfred /* get softc */ 1316184610Salfred sc = USS820_DCI_BUS2SC(udev->bus); 1317184610Salfred 1318184610Salfred /* get endpoint descriptor */ 1319193644Sthompsa ed = ep->edesc; 1320184610Salfred 1321184610Salfred /* reset endpoint */ 1322184610Salfred uss820dci_clear_stall_sub(sc, 1323184610Salfred (ed->bEndpointAddress & UE_ADDR), 1324184610Salfred (ed->bmAttributes & UE_XFERTYPE), 1325184610Salfred (ed->bEndpointAddress & (UE_DIR_IN | UE_DIR_OUT))); 1326184610Salfred} 1327184610Salfred 1328193045Sthompsausb_error_t 1329184610Salfreduss820dci_init(struct uss820dci_softc *sc) 1330184610Salfred{ 1331192984Sthompsa const struct usb_hw_ep_profile *pf; 1332184610Salfred uint8_t n; 1333184610Salfred uint8_t temp; 1334184610Salfred 1335184610Salfred DPRINTF("start\n"); 1336184610Salfred 1337184610Salfred /* set up the bus structure */ 1338184610Salfred sc->sc_bus.usbrev = USB_REV_1_1; 1339184610Salfred sc->sc_bus.methods = &uss820dci_bus_methods; 1340184610Salfred 1341184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 1342184610Salfred 1343184610Salfred /* we always have VBUS */ 1344184610Salfred sc->sc_flags.status_vbus = 1; 1345184610Salfred 1346184610Salfred /* reset the chip */ 1347184610Salfred USS820_WRITE_1(sc, USS820_SCR, USS820_SCR_SRESET); 1348184610Salfred DELAY(100); 1349184610Salfred USS820_WRITE_1(sc, USS820_SCR, 0); 1350184610Salfred 1351184610Salfred /* wait for reset to complete */ 1352184610Salfred for (n = 0;; n++) { 1353184610Salfred 1354184610Salfred temp = USS820_READ_1(sc, USS820_MCSR); 1355184610Salfred 1356184610Salfred if (temp & USS820_MCSR_INIT) { 1357184610Salfred break; 1358184610Salfred } 1359184610Salfred if (n == 100) { 1360184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1361184610Salfred return (USB_ERR_INVAL); 1362184610Salfred } 1363184610Salfred /* wait a little for things to stabilise */ 1364184610Salfred DELAY(100); 1365184610Salfred } 1366184610Salfred 1367184610Salfred /* do a pulldown */ 1368184610Salfred uss820dci_pull_down(sc); 1369184610Salfred 1370184610Salfred /* wait 10ms for pulldown to stabilise */ 1371194228Sthompsa usb_pause_mtx(&sc->sc_bus.bus_mtx, hz / 100); 1372184610Salfred 1373184610Salfred /* check hardware revision */ 1374184610Salfred temp = USS820_READ_1(sc, USS820_REV); 1375184610Salfred 1376184610Salfred if (temp < 0x13) { 1377184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1378184610Salfred return (USB_ERR_INVAL); 1379184610Salfred } 1380184610Salfred /* enable interrupts */ 1381184610Salfred USS820_WRITE_1(sc, USS820_SCR, 1382184610Salfred USS820_SCR_T_IRQ | 1383184610Salfred USS820_SCR_IE_RESET | 1384186730Salfred /* USS820_SCR_RWUPE | */ 1385184610Salfred USS820_SCR_IE_SUSP | 1386184610Salfred USS820_SCR_IRQPOL); 1387184610Salfred 1388184610Salfred /* enable interrupts */ 1389184610Salfred USS820_WRITE_1(sc, USS820_SCRATCH, 1390184610Salfred USS820_SCRATCH_IE_RESUME); 1391184610Salfred 1392184610Salfred /* enable features */ 1393184610Salfred USS820_WRITE_1(sc, USS820_MCSR, 1394184610Salfred USS820_MCSR_BDFEAT | 1395184610Salfred USS820_MCSR_FEAT); 1396184610Salfred 1397184610Salfred sc->sc_flags.mcsr_feat = 1; 1398184610Salfred 1399184610Salfred /* disable interrupts */ 1400184610Salfred USS820_WRITE_1(sc, USS820_SBIE, 0); 1401184610Salfred 1402184610Salfred /* disable interrupts */ 1403184610Salfred USS820_WRITE_1(sc, USS820_SBIE1, 0); 1404184610Salfred 1405184610Salfred /* disable all endpoints */ 1406184610Salfred for (n = 0; n != USS820_EP_MAX; n++) { 1407184610Salfred 1408184610Salfred /* select endpoint */ 1409184610Salfred USS820_WRITE_1(sc, USS820_EPINDEX, n); 1410184610Salfred 1411184610Salfred /* disable endpoint */ 1412184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, 0, 0); 1413184610Salfred } 1414184610Salfred 1415184610Salfred /* 1416184610Salfred * Initialise default values for some registers that cannot be 1417184610Salfred * changed during operation! 1418184610Salfred */ 1419184610Salfred for (n = 0; n != USS820_EP_MAX; n++) { 1420184610Salfred 1421184610Salfred uss820dci_get_hw_ep_profile(NULL, &pf, n); 1422184610Salfred 1423184610Salfred /* the maximum frame sizes should be the same */ 1424184610Salfred if (pf->max_in_frame_size != pf->max_out_frame_size) { 1425184610Salfred DPRINTF("Max frame size mismatch %u != %u\n", 1426184610Salfred pf->max_in_frame_size, pf->max_out_frame_size); 1427184610Salfred } 1428184610Salfred if (pf->support_isochronous) { 1429184610Salfred if (pf->max_in_frame_size <= 64) { 1430184610Salfred temp = (USS820_TXCON_FFSZ_16_64 | 1431184610Salfred USS820_TXCON_TXISO | 1432184610Salfred USS820_TXCON_ATM); 1433184610Salfred } else if (pf->max_in_frame_size <= 256) { 1434184610Salfred temp = (USS820_TXCON_FFSZ_64_256 | 1435184610Salfred USS820_TXCON_TXISO | 1436184610Salfred USS820_TXCON_ATM); 1437184610Salfred } else if (pf->max_in_frame_size <= 512) { 1438184610Salfred temp = (USS820_TXCON_FFSZ_8_512 | 1439184610Salfred USS820_TXCON_TXISO | 1440184610Salfred USS820_TXCON_ATM); 1441184610Salfred } else { /* 1024 bytes */ 1442184610Salfred temp = (USS820_TXCON_FFSZ_32_1024 | 1443184610Salfred USS820_TXCON_TXISO | 1444184610Salfred USS820_TXCON_ATM); 1445184610Salfred } 1446184610Salfred } else { 1447184610Salfred if ((pf->max_in_frame_size <= 8) && 1448184610Salfred (sc->sc_flags.mcsr_feat)) { 1449184610Salfred temp = (USS820_TXCON_FFSZ_8_512 | 1450184610Salfred USS820_TXCON_ATM); 1451184610Salfred } else if (pf->max_in_frame_size <= 16) { 1452184610Salfred temp = (USS820_TXCON_FFSZ_16_64 | 1453184610Salfred USS820_TXCON_ATM); 1454184610Salfred } else if ((pf->max_in_frame_size <= 32) && 1455184610Salfred (sc->sc_flags.mcsr_feat)) { 1456184610Salfred temp = (USS820_TXCON_FFSZ_32_1024 | 1457184610Salfred USS820_TXCON_ATM); 1458184610Salfred } else { /* 64 bytes */ 1459184610Salfred temp = (USS820_TXCON_FFSZ_64_256 | 1460184610Salfred USS820_TXCON_ATM); 1461184610Salfred } 1462184610Salfred } 1463184610Salfred 1464184610Salfred /* need to configure the chip early */ 1465184610Salfred 1466184610Salfred USS820_WRITE_1(sc, USS820_EPINDEX, n); 1467184610Salfred USS820_WRITE_1(sc, USS820_TXCON, temp); 1468184610Salfred USS820_WRITE_1(sc, USS820_RXCON, temp); 1469184610Salfred 1470184610Salfred if (pf->support_control) { 1471184610Salfred temp = USS820_EPCON_CTLEP | 1472184610Salfred USS820_EPCON_RXSPM | 1473184610Salfred USS820_EPCON_RXIE | 1474184610Salfred USS820_EPCON_RXEPEN | 1475184610Salfred USS820_EPCON_TXOE | 1476184610Salfred USS820_EPCON_TXEPEN; 1477184610Salfred } else { 1478184610Salfred temp = USS820_EPCON_RXEPEN | USS820_EPCON_TXEPEN; 1479184610Salfred } 1480184610Salfred 1481184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, temp); 1482184610Salfred } 1483184610Salfred 1484184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1485184610Salfred 1486184610Salfred /* catch any lost interrupts */ 1487184610Salfred 1488184610Salfred uss820dci_do_poll(&sc->sc_bus); 1489184610Salfred 1490184610Salfred return (0); /* success */ 1491184610Salfred} 1492184610Salfred 1493184610Salfredvoid 1494184610Salfreduss820dci_uninit(struct uss820dci_softc *sc) 1495184610Salfred{ 1496184610Salfred uint8_t temp; 1497184610Salfred 1498184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 1499184610Salfred 1500184610Salfred /* disable all interrupts */ 1501184610Salfred temp = USS820_READ_1(sc, USS820_SCR); 1502184610Salfred temp &= ~USS820_SCR_T_IRQ; 1503184610Salfred USS820_WRITE_1(sc, USS820_SCR, temp); 1504184610Salfred 1505184610Salfred sc->sc_flags.port_powered = 0; 1506184610Salfred sc->sc_flags.status_vbus = 0; 1507184610Salfred sc->sc_flags.status_bus_reset = 0; 1508184610Salfred sc->sc_flags.status_suspend = 0; 1509184610Salfred sc->sc_flags.change_suspend = 0; 1510184610Salfred sc->sc_flags.change_connect = 1; 1511184610Salfred 1512184610Salfred uss820dci_pull_down(sc); 1513184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1514184610Salfred} 1515184610Salfred 1516229096Shselaskystatic void 1517184610Salfreduss820dci_suspend(struct uss820dci_softc *sc) 1518184610Salfred{ 1519229096Shselasky /* TODO */ 1520184610Salfred} 1521184610Salfred 1522229096Shselaskystatic void 1523184610Salfreduss820dci_resume(struct uss820dci_softc *sc) 1524184610Salfred{ 1525229096Shselasky /* TODO */ 1526184610Salfred} 1527184610Salfred 1528184610Salfredstatic void 1529192984Sthompsauss820dci_do_poll(struct usb_bus *bus) 1530184610Salfred{ 1531184610Salfred struct uss820dci_softc *sc = USS820_DCI_BUS2SC(bus); 1532184610Salfred 1533184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 1534184610Salfred uss820dci_interrupt_poll(sc); 1535184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1536184610Salfred} 1537184610Salfred 1538184610Salfred/*------------------------------------------------------------------------* 1539184610Salfred * at91dci bulk support 1540184610Salfred *------------------------------------------------------------------------*/ 1541184610Salfredstatic void 1542192984Sthompsauss820dci_device_bulk_open(struct usb_xfer *xfer) 1543184610Salfred{ 1544184610Salfred return; 1545184610Salfred} 1546184610Salfred 1547184610Salfredstatic void 1548192984Sthompsauss820dci_device_bulk_close(struct usb_xfer *xfer) 1549184610Salfred{ 1550184610Salfred uss820dci_device_done(xfer, USB_ERR_CANCELLED); 1551184610Salfred} 1552184610Salfred 1553184610Salfredstatic void 1554192984Sthompsauss820dci_device_bulk_enter(struct usb_xfer *xfer) 1555184610Salfred{ 1556184610Salfred return; 1557184610Salfred} 1558184610Salfred 1559184610Salfredstatic void 1560192984Sthompsauss820dci_device_bulk_start(struct usb_xfer *xfer) 1561184610Salfred{ 1562184610Salfred /* setup TDs */ 1563184610Salfred uss820dci_setup_standard_chain(xfer); 1564184610Salfred uss820dci_start_standard_chain(xfer); 1565184610Salfred} 1566184610Salfred 1567192984Sthompsastruct usb_pipe_methods uss820dci_device_bulk_methods = 1568184610Salfred{ 1569184610Salfred .open = uss820dci_device_bulk_open, 1570184610Salfred .close = uss820dci_device_bulk_close, 1571184610Salfred .enter = uss820dci_device_bulk_enter, 1572184610Salfred .start = uss820dci_device_bulk_start, 1573184610Salfred}; 1574184610Salfred 1575184610Salfred/*------------------------------------------------------------------------* 1576184610Salfred * at91dci control support 1577184610Salfred *------------------------------------------------------------------------*/ 1578184610Salfredstatic void 1579192984Sthompsauss820dci_device_ctrl_open(struct usb_xfer *xfer) 1580184610Salfred{ 1581184610Salfred return; 1582184610Salfred} 1583184610Salfred 1584184610Salfredstatic void 1585192984Sthompsauss820dci_device_ctrl_close(struct usb_xfer *xfer) 1586184610Salfred{ 1587184610Salfred uss820dci_device_done(xfer, USB_ERR_CANCELLED); 1588184610Salfred} 1589184610Salfred 1590184610Salfredstatic void 1591192984Sthompsauss820dci_device_ctrl_enter(struct usb_xfer *xfer) 1592184610Salfred{ 1593184610Salfred return; 1594184610Salfred} 1595184610Salfred 1596184610Salfredstatic void 1597192984Sthompsauss820dci_device_ctrl_start(struct usb_xfer *xfer) 1598184610Salfred{ 1599184610Salfred /* setup TDs */ 1600184610Salfred uss820dci_setup_standard_chain(xfer); 1601184610Salfred uss820dci_start_standard_chain(xfer); 1602184610Salfred} 1603184610Salfred 1604192984Sthompsastruct usb_pipe_methods uss820dci_device_ctrl_methods = 1605184610Salfred{ 1606184610Salfred .open = uss820dci_device_ctrl_open, 1607184610Salfred .close = uss820dci_device_ctrl_close, 1608184610Salfred .enter = uss820dci_device_ctrl_enter, 1609184610Salfred .start = uss820dci_device_ctrl_start, 1610184610Salfred}; 1611184610Salfred 1612184610Salfred/*------------------------------------------------------------------------* 1613184610Salfred * at91dci interrupt support 1614184610Salfred *------------------------------------------------------------------------*/ 1615184610Salfredstatic void 1616192984Sthompsauss820dci_device_intr_open(struct usb_xfer *xfer) 1617184610Salfred{ 1618184610Salfred return; 1619184610Salfred} 1620184610Salfred 1621184610Salfredstatic void 1622192984Sthompsauss820dci_device_intr_close(struct usb_xfer *xfer) 1623184610Salfred{ 1624184610Salfred uss820dci_device_done(xfer, USB_ERR_CANCELLED); 1625184610Salfred} 1626184610Salfred 1627184610Salfredstatic void 1628192984Sthompsauss820dci_device_intr_enter(struct usb_xfer *xfer) 1629184610Salfred{ 1630184610Salfred return; 1631184610Salfred} 1632184610Salfred 1633184610Salfredstatic void 1634192984Sthompsauss820dci_device_intr_start(struct usb_xfer *xfer) 1635184610Salfred{ 1636184610Salfred /* setup TDs */ 1637184610Salfred uss820dci_setup_standard_chain(xfer); 1638184610Salfred uss820dci_start_standard_chain(xfer); 1639184610Salfred} 1640184610Salfred 1641192984Sthompsastruct usb_pipe_methods uss820dci_device_intr_methods = 1642184610Salfred{ 1643184610Salfred .open = uss820dci_device_intr_open, 1644184610Salfred .close = uss820dci_device_intr_close, 1645184610Salfred .enter = uss820dci_device_intr_enter, 1646184610Salfred .start = uss820dci_device_intr_start, 1647184610Salfred}; 1648184610Salfred 1649184610Salfred/*------------------------------------------------------------------------* 1650184610Salfred * at91dci full speed isochronous support 1651184610Salfred *------------------------------------------------------------------------*/ 1652184610Salfredstatic void 1653192984Sthompsauss820dci_device_isoc_fs_open(struct usb_xfer *xfer) 1654184610Salfred{ 1655184610Salfred return; 1656184610Salfred} 1657184610Salfred 1658184610Salfredstatic void 1659192984Sthompsauss820dci_device_isoc_fs_close(struct usb_xfer *xfer) 1660184610Salfred{ 1661184610Salfred uss820dci_device_done(xfer, USB_ERR_CANCELLED); 1662184610Salfred} 1663184610Salfred 1664184610Salfredstatic void 1665192984Sthompsauss820dci_device_isoc_fs_enter(struct usb_xfer *xfer) 1666184610Salfred{ 1667187173Sthompsa struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 1668184610Salfred uint32_t temp; 1669184610Salfred uint32_t nframes; 1670184610Salfred 1671184610Salfred DPRINTFN(6, "xfer=%p next=%d nframes=%d\n", 1672193644Sthompsa xfer, xfer->endpoint->isoc_next, xfer->nframes); 1673184610Salfred 1674184610Salfred /* get the current frame index - we don't need the high bits */ 1675184610Salfred 1676184610Salfred nframes = USS820_READ_1(sc, USS820_SOFL); 1677184610Salfred 1678184610Salfred /* 1679184610Salfred * check if the frame index is within the window where the 1680184610Salfred * frames will be inserted 1681184610Salfred */ 1682193644Sthompsa temp = (nframes - xfer->endpoint->isoc_next) & USS820_SOFL_MASK; 1683184610Salfred 1684193644Sthompsa if ((xfer->endpoint->is_synced == 0) || 1685184610Salfred (temp < xfer->nframes)) { 1686184610Salfred /* 1687184610Salfred * If there is data underflow or the pipe queue is 1688184610Salfred * empty we schedule the transfer a few frames ahead 1689184610Salfred * of the current frame position. Else two isochronous 1690184610Salfred * transfers might overlap. 1691184610Salfred */ 1692193644Sthompsa xfer->endpoint->isoc_next = (nframes + 3) & USS820_SOFL_MASK; 1693193644Sthompsa xfer->endpoint->is_synced = 1; 1694193644Sthompsa DPRINTFN(3, "start next=%d\n", xfer->endpoint->isoc_next); 1695184610Salfred } 1696184610Salfred /* 1697184610Salfred * compute how many milliseconds the insertion is ahead of the 1698184610Salfred * current frame position: 1699184610Salfred */ 1700193644Sthompsa temp = (xfer->endpoint->isoc_next - nframes) & USS820_SOFL_MASK; 1701184610Salfred 1702184610Salfred /* 1703184610Salfred * pre-compute when the isochronous transfer will be finished: 1704184610Salfred */ 1705184610Salfred xfer->isoc_time_complete = 1706194228Sthompsa usb_isoc_time_expand(&sc->sc_bus, nframes) + temp + 1707184610Salfred xfer->nframes; 1708184610Salfred 1709184610Salfred /* compute frame number for next insertion */ 1710193644Sthompsa xfer->endpoint->isoc_next += xfer->nframes; 1711184610Salfred 1712184610Salfred /* setup TDs */ 1713184610Salfred uss820dci_setup_standard_chain(xfer); 1714184610Salfred} 1715184610Salfred 1716184610Salfredstatic void 1717192984Sthompsauss820dci_device_isoc_fs_start(struct usb_xfer *xfer) 1718184610Salfred{ 1719184610Salfred /* start TD chain */ 1720184610Salfred uss820dci_start_standard_chain(xfer); 1721184610Salfred} 1722184610Salfred 1723192984Sthompsastruct usb_pipe_methods uss820dci_device_isoc_fs_methods = 1724184610Salfred{ 1725184610Salfred .open = uss820dci_device_isoc_fs_open, 1726184610Salfred .close = uss820dci_device_isoc_fs_close, 1727184610Salfred .enter = uss820dci_device_isoc_fs_enter, 1728184610Salfred .start = uss820dci_device_isoc_fs_start, 1729184610Salfred}; 1730184610Salfred 1731184610Salfred/*------------------------------------------------------------------------* 1732184610Salfred * at91dci root control support 1733184610Salfred *------------------------------------------------------------------------* 1734190735Sthompsa * Simulate a hardware HUB by handling all the necessary requests. 1735184610Salfred *------------------------------------------------------------------------*/ 1736184610Salfred 1737192984Sthompsastatic const struct usb_device_descriptor uss820dci_devd = { 1738192984Sthompsa .bLength = sizeof(struct usb_device_descriptor), 1739184610Salfred .bDescriptorType = UDESC_DEVICE, 1740184610Salfred .bcdUSB = {0x00, 0x02}, 1741184610Salfred .bDeviceClass = UDCLASS_HUB, 1742184610Salfred .bDeviceSubClass = UDSUBCLASS_HUB, 1743213802Shselasky .bDeviceProtocol = UDPROTO_FSHUB, 1744184610Salfred .bMaxPacketSize = 64, 1745184610Salfred .bcdDevice = {0x00, 0x01}, 1746184610Salfred .iManufacturer = 1, 1747184610Salfred .iProduct = 2, 1748184610Salfred .bNumConfigurations = 1, 1749184610Salfred}; 1750184610Salfred 1751192984Sthompsastatic const struct usb_device_qualifier uss820dci_odevd = { 1752192984Sthompsa .bLength = sizeof(struct usb_device_qualifier), 1753184610Salfred .bDescriptorType = UDESC_DEVICE_QUALIFIER, 1754184610Salfred .bcdUSB = {0x00, 0x02}, 1755184610Salfred .bDeviceClass = UDCLASS_HUB, 1756184610Salfred .bDeviceSubClass = UDSUBCLASS_HUB, 1757184610Salfred .bDeviceProtocol = UDPROTO_FSHUB, 1758184610Salfred .bMaxPacketSize0 = 0, 1759184610Salfred .bNumConfigurations = 0, 1760184610Salfred}; 1761184610Salfred 1762184610Salfredstatic const struct uss820dci_config_desc uss820dci_confd = { 1763184610Salfred .confd = { 1764192984Sthompsa .bLength = sizeof(struct usb_config_descriptor), 1765184610Salfred .bDescriptorType = UDESC_CONFIG, 1766184610Salfred .wTotalLength[0] = sizeof(uss820dci_confd), 1767184610Salfred .bNumInterface = 1, 1768184610Salfred .bConfigurationValue = 1, 1769184610Salfred .iConfiguration = 0, 1770184610Salfred .bmAttributes = UC_SELF_POWERED, 1771184610Salfred .bMaxPower = 0, 1772184610Salfred }, 1773184610Salfred .ifcd = { 1774192984Sthompsa .bLength = sizeof(struct usb_interface_descriptor), 1775184610Salfred .bDescriptorType = UDESC_INTERFACE, 1776184610Salfred .bNumEndpoints = 1, 1777184610Salfred .bInterfaceClass = UICLASS_HUB, 1778184610Salfred .bInterfaceSubClass = UISUBCLASS_HUB, 1779213802Shselasky .bInterfaceProtocol = 0, 1780184610Salfred }, 1781184610Salfred 1782184610Salfred .endpd = { 1783192984Sthompsa .bLength = sizeof(struct usb_endpoint_descriptor), 1784184610Salfred .bDescriptorType = UDESC_ENDPOINT, 1785184610Salfred .bEndpointAddress = (UE_DIR_IN | USS820_DCI_INTR_ENDPT), 1786184610Salfred .bmAttributes = UE_INTERRUPT, 1787184610Salfred .wMaxPacketSize[0] = 8, 1788184610Salfred .bInterval = 255, 1789184610Salfred }, 1790184610Salfred}; 1791184610Salfred 1792235000Shselasky#define HSETW(ptr, val) ptr = { (uint8_t)(val), (uint8_t)((val) >> 8) } 1793235000Shselasky 1794192984Sthompsastatic const struct usb_hub_descriptor_min uss820dci_hubd = { 1795184610Salfred .bDescLength = sizeof(uss820dci_hubd), 1796184610Salfred .bDescriptorType = UDESC_HUB, 1797184610Salfred .bNbrPorts = 1, 1798235000Shselasky HSETW(.wHubCharacteristics, (UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL)), 1799184610Salfred .bPwrOn2PwrGood = 50, 1800184610Salfred .bHubContrCurrent = 0, 1801184610Salfred .DeviceRemovable = {0}, /* port is removable */ 1802184610Salfred}; 1803184610Salfred 1804184610Salfred#define STRING_LANG \ 1805184610Salfred 0x09, 0x04, /* American English */ 1806184610Salfred 1807184610Salfred#define STRING_VENDOR \ 1808184610Salfred 'A', 0, 'G', 0, 'E', 0, 'R', 0, 'E', 0 1809184610Salfred 1810184610Salfred#define STRING_PRODUCT \ 1811184610Salfred 'D', 0, 'C', 0, 'I', 0, ' ', 0, 'R', 0, \ 1812184610Salfred 'o', 0, 'o', 0, 't', 0, ' ', 0, 'H', 0, \ 1813184610Salfred 'U', 0, 'B', 0, 1814184610Salfred 1815184610SalfredUSB_MAKE_STRING_DESC(STRING_LANG, uss820dci_langtab); 1816184610SalfredUSB_MAKE_STRING_DESC(STRING_VENDOR, uss820dci_vendor); 1817184610SalfredUSB_MAKE_STRING_DESC(STRING_PRODUCT, uss820dci_product); 1818184610Salfred 1819193045Sthompsastatic usb_error_t 1820192984Sthompsauss820dci_roothub_exec(struct usb_device *udev, 1821192984Sthompsa struct usb_device_request *req, const void **pptr, uint16_t *plength) 1822184610Salfred{ 1823191402Sthompsa struct uss820dci_softc *sc = USS820_DCI_BUS2SC(udev->bus); 1824191402Sthompsa const void *ptr; 1825191402Sthompsa uint16_t len; 1826184610Salfred uint16_t value; 1827184610Salfred uint16_t index; 1828193045Sthompsa usb_error_t err; 1829184610Salfred 1830184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 1831184610Salfred 1832184610Salfred /* buffer reset */ 1833191402Sthompsa ptr = (const void *)&sc->sc_hub_temp; 1834191402Sthompsa len = 0; 1835191402Sthompsa err = 0; 1836184610Salfred 1837191402Sthompsa value = UGETW(req->wValue); 1838191402Sthompsa index = UGETW(req->wIndex); 1839184610Salfred 1840184610Salfred /* demultiplex the control request */ 1841184610Salfred 1842191402Sthompsa switch (req->bmRequestType) { 1843184610Salfred case UT_READ_DEVICE: 1844191402Sthompsa switch (req->bRequest) { 1845184610Salfred case UR_GET_DESCRIPTOR: 1846184610Salfred goto tr_handle_get_descriptor; 1847184610Salfred case UR_GET_CONFIG: 1848184610Salfred goto tr_handle_get_config; 1849184610Salfred case UR_GET_STATUS: 1850184610Salfred goto tr_handle_get_status; 1851184610Salfred default: 1852184610Salfred goto tr_stalled; 1853184610Salfred } 1854184610Salfred break; 1855184610Salfred 1856184610Salfred case UT_WRITE_DEVICE: 1857191402Sthompsa switch (req->bRequest) { 1858184610Salfred case UR_SET_ADDRESS: 1859184610Salfred goto tr_handle_set_address; 1860184610Salfred case UR_SET_CONFIG: 1861184610Salfred goto tr_handle_set_config; 1862184610Salfred case UR_CLEAR_FEATURE: 1863184610Salfred goto tr_valid; /* nop */ 1864184610Salfred case UR_SET_DESCRIPTOR: 1865184610Salfred goto tr_valid; /* nop */ 1866184610Salfred case UR_SET_FEATURE: 1867184610Salfred default: 1868184610Salfred goto tr_stalled; 1869184610Salfred } 1870184610Salfred break; 1871184610Salfred 1872184610Salfred case UT_WRITE_ENDPOINT: 1873191402Sthompsa switch (req->bRequest) { 1874184610Salfred case UR_CLEAR_FEATURE: 1875191402Sthompsa switch (UGETW(req->wValue)) { 1876184610Salfred case UF_ENDPOINT_HALT: 1877184610Salfred goto tr_handle_clear_halt; 1878184610Salfred case UF_DEVICE_REMOTE_WAKEUP: 1879184610Salfred goto tr_handle_clear_wakeup; 1880184610Salfred default: 1881184610Salfred goto tr_stalled; 1882184610Salfred } 1883184610Salfred break; 1884184610Salfred case UR_SET_FEATURE: 1885191402Sthompsa switch (UGETW(req->wValue)) { 1886184610Salfred case UF_ENDPOINT_HALT: 1887184610Salfred goto tr_handle_set_halt; 1888184610Salfred case UF_DEVICE_REMOTE_WAKEUP: 1889184610Salfred goto tr_handle_set_wakeup; 1890184610Salfred default: 1891184610Salfred goto tr_stalled; 1892184610Salfred } 1893184610Salfred break; 1894184610Salfred case UR_SYNCH_FRAME: 1895184610Salfred goto tr_valid; /* nop */ 1896184610Salfred default: 1897184610Salfred goto tr_stalled; 1898184610Salfred } 1899184610Salfred break; 1900184610Salfred 1901184610Salfred case UT_READ_ENDPOINT: 1902191402Sthompsa switch (req->bRequest) { 1903184610Salfred case UR_GET_STATUS: 1904184610Salfred goto tr_handle_get_ep_status; 1905184610Salfred default: 1906184610Salfred goto tr_stalled; 1907184610Salfred } 1908184610Salfred break; 1909184610Salfred 1910184610Salfred case UT_WRITE_INTERFACE: 1911191402Sthompsa switch (req->bRequest) { 1912184610Salfred case UR_SET_INTERFACE: 1913184610Salfred goto tr_handle_set_interface; 1914184610Salfred case UR_CLEAR_FEATURE: 1915184610Salfred goto tr_valid; /* nop */ 1916184610Salfred case UR_SET_FEATURE: 1917184610Salfred default: 1918184610Salfred goto tr_stalled; 1919184610Salfred } 1920184610Salfred break; 1921184610Salfred 1922184610Salfred case UT_READ_INTERFACE: 1923191402Sthompsa switch (req->bRequest) { 1924184610Salfred case UR_GET_INTERFACE: 1925184610Salfred goto tr_handle_get_interface; 1926184610Salfred case UR_GET_STATUS: 1927184610Salfred goto tr_handle_get_iface_status; 1928184610Salfred default: 1929184610Salfred goto tr_stalled; 1930184610Salfred } 1931184610Salfred break; 1932184610Salfred 1933184610Salfred case UT_WRITE_CLASS_INTERFACE: 1934184610Salfred case UT_WRITE_VENDOR_INTERFACE: 1935184610Salfred /* XXX forward */ 1936184610Salfred break; 1937184610Salfred 1938184610Salfred case UT_READ_CLASS_INTERFACE: 1939184610Salfred case UT_READ_VENDOR_INTERFACE: 1940184610Salfred /* XXX forward */ 1941184610Salfred break; 1942184610Salfred 1943184610Salfred case UT_WRITE_CLASS_DEVICE: 1944191402Sthompsa switch (req->bRequest) { 1945184610Salfred case UR_CLEAR_FEATURE: 1946184610Salfred goto tr_valid; 1947184610Salfred case UR_SET_DESCRIPTOR: 1948184610Salfred case UR_SET_FEATURE: 1949184610Salfred break; 1950184610Salfred default: 1951184610Salfred goto tr_stalled; 1952184610Salfred } 1953184610Salfred break; 1954184610Salfred 1955184610Salfred case UT_WRITE_CLASS_OTHER: 1956191402Sthompsa switch (req->bRequest) { 1957184610Salfred case UR_CLEAR_FEATURE: 1958184610Salfred goto tr_handle_clear_port_feature; 1959184610Salfred case UR_SET_FEATURE: 1960184610Salfred goto tr_handle_set_port_feature; 1961184610Salfred case UR_CLEAR_TT_BUFFER: 1962184610Salfred case UR_RESET_TT: 1963184610Salfred case UR_STOP_TT: 1964184610Salfred goto tr_valid; 1965184610Salfred 1966184610Salfred default: 1967184610Salfred goto tr_stalled; 1968184610Salfred } 1969184610Salfred break; 1970184610Salfred 1971184610Salfred case UT_READ_CLASS_OTHER: 1972191402Sthompsa switch (req->bRequest) { 1973184610Salfred case UR_GET_TT_STATE: 1974184610Salfred goto tr_handle_get_tt_state; 1975184610Salfred case UR_GET_STATUS: 1976184610Salfred goto tr_handle_get_port_status; 1977184610Salfred default: 1978184610Salfred goto tr_stalled; 1979184610Salfred } 1980184610Salfred break; 1981184610Salfred 1982184610Salfred case UT_READ_CLASS_DEVICE: 1983191402Sthompsa switch (req->bRequest) { 1984184610Salfred case UR_GET_DESCRIPTOR: 1985184610Salfred goto tr_handle_get_class_descriptor; 1986184610Salfred case UR_GET_STATUS: 1987184610Salfred goto tr_handle_get_class_status; 1988184610Salfred 1989184610Salfred default: 1990184610Salfred goto tr_stalled; 1991184610Salfred } 1992184610Salfred break; 1993184610Salfred default: 1994184610Salfred goto tr_stalled; 1995184610Salfred } 1996184610Salfred goto tr_valid; 1997184610Salfred 1998184610Salfredtr_handle_get_descriptor: 1999184610Salfred switch (value >> 8) { 2000184610Salfred case UDESC_DEVICE: 2001184610Salfred if (value & 0xff) { 2002184610Salfred goto tr_stalled; 2003184610Salfred } 2004191402Sthompsa len = sizeof(uss820dci_devd); 2005191402Sthompsa ptr = (const void *)&uss820dci_devd; 2006184610Salfred goto tr_valid; 2007262457Sdim case UDESC_DEVICE_QUALIFIER: 2008262457Sdim if (value & 0xff) { 2009262457Sdim goto tr_stalled; 2010262457Sdim } 2011262457Sdim len = sizeof(uss820dci_odevd); 2012262457Sdim ptr = (const void *)&uss820dci_odevd; 2013262457Sdim goto tr_valid; 2014184610Salfred case UDESC_CONFIG: 2015184610Salfred if (value & 0xff) { 2016184610Salfred goto tr_stalled; 2017184610Salfred } 2018191402Sthompsa len = sizeof(uss820dci_confd); 2019191402Sthompsa ptr = (const void *)&uss820dci_confd; 2020184610Salfred goto tr_valid; 2021184610Salfred case UDESC_STRING: 2022184610Salfred switch (value & 0xff) { 2023184610Salfred case 0: /* Language table */ 2024191402Sthompsa len = sizeof(uss820dci_langtab); 2025191402Sthompsa ptr = (const void *)&uss820dci_langtab; 2026184610Salfred goto tr_valid; 2027184610Salfred 2028184610Salfred case 1: /* Vendor */ 2029191402Sthompsa len = sizeof(uss820dci_vendor); 2030191402Sthompsa ptr = (const void *)&uss820dci_vendor; 2031184610Salfred goto tr_valid; 2032184610Salfred 2033184610Salfred case 2: /* Product */ 2034191402Sthompsa len = sizeof(uss820dci_product); 2035191402Sthompsa ptr = (const void *)&uss820dci_product; 2036184610Salfred goto tr_valid; 2037184610Salfred default: 2038184610Salfred break; 2039184610Salfred } 2040184610Salfred break; 2041184610Salfred default: 2042184610Salfred goto tr_stalled; 2043184610Salfred } 2044184610Salfred goto tr_stalled; 2045184610Salfred 2046184610Salfredtr_handle_get_config: 2047191402Sthompsa len = 1; 2048184610Salfred sc->sc_hub_temp.wValue[0] = sc->sc_conf; 2049184610Salfred goto tr_valid; 2050184610Salfred 2051184610Salfredtr_handle_get_status: 2052191402Sthompsa len = 2; 2053184610Salfred USETW(sc->sc_hub_temp.wValue, UDS_SELF_POWERED); 2054184610Salfred goto tr_valid; 2055184610Salfred 2056184610Salfredtr_handle_set_address: 2057184610Salfred if (value & 0xFF00) { 2058184610Salfred goto tr_stalled; 2059184610Salfred } 2060184610Salfred sc->sc_rt_addr = value; 2061184610Salfred goto tr_valid; 2062184610Salfred 2063184610Salfredtr_handle_set_config: 2064184610Salfred if (value >= 2) { 2065184610Salfred goto tr_stalled; 2066184610Salfred } 2067184610Salfred sc->sc_conf = value; 2068184610Salfred goto tr_valid; 2069184610Salfred 2070184610Salfredtr_handle_get_interface: 2071191402Sthompsa len = 1; 2072184610Salfred sc->sc_hub_temp.wValue[0] = 0; 2073184610Salfred goto tr_valid; 2074184610Salfred 2075184610Salfredtr_handle_get_tt_state: 2076184610Salfredtr_handle_get_class_status: 2077184610Salfredtr_handle_get_iface_status: 2078184610Salfredtr_handle_get_ep_status: 2079191402Sthompsa len = 2; 2080184610Salfred USETW(sc->sc_hub_temp.wValue, 0); 2081184610Salfred goto tr_valid; 2082184610Salfred 2083184610Salfredtr_handle_set_halt: 2084184610Salfredtr_handle_set_interface: 2085184610Salfredtr_handle_set_wakeup: 2086184610Salfredtr_handle_clear_wakeup: 2087184610Salfredtr_handle_clear_halt: 2088184610Salfred goto tr_valid; 2089184610Salfred 2090184610Salfredtr_handle_clear_port_feature: 2091184610Salfred if (index != 1) { 2092184610Salfred goto tr_stalled; 2093184610Salfred } 2094184610Salfred DPRINTFN(9, "UR_CLEAR_PORT_FEATURE on port %d\n", index); 2095184610Salfred 2096184610Salfred switch (value) { 2097184610Salfred case UHF_PORT_SUSPEND: 2098184610Salfred uss820dci_wakeup_peer(sc); 2099184610Salfred break; 2100184610Salfred 2101184610Salfred case UHF_PORT_ENABLE: 2102184610Salfred sc->sc_flags.port_enabled = 0; 2103184610Salfred break; 2104184610Salfred 2105184610Salfred case UHF_PORT_TEST: 2106184610Salfred case UHF_PORT_INDICATOR: 2107184610Salfred case UHF_C_PORT_ENABLE: 2108184610Salfred case UHF_C_PORT_OVER_CURRENT: 2109184610Salfred case UHF_C_PORT_RESET: 2110184610Salfred /* nops */ 2111184610Salfred break; 2112184610Salfred case UHF_PORT_POWER: 2113184610Salfred sc->sc_flags.port_powered = 0; 2114184610Salfred uss820dci_pull_down(sc); 2115184610Salfred break; 2116184610Salfred case UHF_C_PORT_CONNECTION: 2117184610Salfred sc->sc_flags.change_connect = 0; 2118184610Salfred break; 2119184610Salfred case UHF_C_PORT_SUSPEND: 2120184610Salfred sc->sc_flags.change_suspend = 0; 2121184610Salfred break; 2122184610Salfred default: 2123191402Sthompsa err = USB_ERR_IOERROR; 2124184610Salfred goto done; 2125184610Salfred } 2126184610Salfred goto tr_valid; 2127184610Salfred 2128184610Salfredtr_handle_set_port_feature: 2129184610Salfred if (index != 1) { 2130184610Salfred goto tr_stalled; 2131184610Salfred } 2132184610Salfred DPRINTFN(9, "UR_SET_PORT_FEATURE\n"); 2133184610Salfred 2134184610Salfred switch (value) { 2135184610Salfred case UHF_PORT_ENABLE: 2136184610Salfred sc->sc_flags.port_enabled = 1; 2137184610Salfred break; 2138184610Salfred case UHF_PORT_SUSPEND: 2139184610Salfred case UHF_PORT_RESET: 2140184610Salfred case UHF_PORT_TEST: 2141184610Salfred case UHF_PORT_INDICATOR: 2142184610Salfred /* nops */ 2143184610Salfred break; 2144184610Salfred case UHF_PORT_POWER: 2145184610Salfred sc->sc_flags.port_powered = 1; 2146184610Salfred break; 2147184610Salfred default: 2148191402Sthompsa err = USB_ERR_IOERROR; 2149184610Salfred goto done; 2150184610Salfred } 2151184610Salfred goto tr_valid; 2152184610Salfred 2153184610Salfredtr_handle_get_port_status: 2154184610Salfred 2155184610Salfred DPRINTFN(9, "UR_GET_PORT_STATUS\n"); 2156184610Salfred 2157184610Salfred if (index != 1) { 2158184610Salfred goto tr_stalled; 2159184610Salfred } 2160184610Salfred if (sc->sc_flags.status_vbus) { 2161184610Salfred uss820dci_pull_up(sc); 2162184610Salfred } else { 2163184610Salfred uss820dci_pull_down(sc); 2164184610Salfred } 2165184610Salfred 2166184610Salfred /* Select FULL-speed and Device Side Mode */ 2167184610Salfred 2168184610Salfred value = UPS_PORT_MODE_DEVICE; 2169184610Salfred 2170184610Salfred if (sc->sc_flags.port_powered) { 2171184610Salfred value |= UPS_PORT_POWER; 2172184610Salfred } 2173184610Salfred if (sc->sc_flags.port_enabled) { 2174184610Salfred value |= UPS_PORT_ENABLED; 2175184610Salfred } 2176184610Salfred if (sc->sc_flags.status_vbus && 2177184610Salfred sc->sc_flags.status_bus_reset) { 2178184610Salfred value |= UPS_CURRENT_CONNECT_STATUS; 2179184610Salfred } 2180184610Salfred if (sc->sc_flags.status_suspend) { 2181184610Salfred value |= UPS_SUSPEND; 2182184610Salfred } 2183184610Salfred USETW(sc->sc_hub_temp.ps.wPortStatus, value); 2184184610Salfred 2185184610Salfred value = 0; 2186184610Salfred 2187184610Salfred if (sc->sc_flags.change_connect) { 2188184610Salfred value |= UPS_C_CONNECT_STATUS; 2189184610Salfred } 2190184610Salfred if (sc->sc_flags.change_suspend) { 2191184610Salfred value |= UPS_C_SUSPEND; 2192184610Salfred } 2193184610Salfred USETW(sc->sc_hub_temp.ps.wPortChange, value); 2194191402Sthompsa len = sizeof(sc->sc_hub_temp.ps); 2195184610Salfred goto tr_valid; 2196184610Salfred 2197184610Salfredtr_handle_get_class_descriptor: 2198184610Salfred if (value & 0xFF) { 2199184610Salfred goto tr_stalled; 2200184610Salfred } 2201191402Sthompsa ptr = (const void *)&uss820dci_hubd; 2202191402Sthompsa len = sizeof(uss820dci_hubd); 2203184610Salfred goto tr_valid; 2204184610Salfred 2205184610Salfredtr_stalled: 2206191402Sthompsa err = USB_ERR_STALLED; 2207184610Salfredtr_valid: 2208184610Salfreddone: 2209191402Sthompsa *plength = len; 2210191402Sthompsa *pptr = ptr; 2211191402Sthompsa return (err); 2212184610Salfred} 2213184610Salfred 2214184610Salfredstatic void 2215192984Sthompsauss820dci_xfer_setup(struct usb_setup_params *parm) 2216184610Salfred{ 2217192984Sthompsa const struct usb_hw_ep_profile *pf; 2218184610Salfred struct uss820dci_softc *sc; 2219192984Sthompsa struct usb_xfer *xfer; 2220184610Salfred void *last_obj; 2221184610Salfred uint32_t ntd; 2222184610Salfred uint32_t n; 2223184610Salfred uint8_t ep_no; 2224184610Salfred 2225184610Salfred sc = USS820_DCI_BUS2SC(parm->udev->bus); 2226184610Salfred xfer = parm->curr_xfer; 2227184610Salfred 2228184610Salfred /* 2229184610Salfred * NOTE: This driver does not use any of the parameters that 2230184610Salfred * are computed from the following values. Just set some 2231184610Salfred * reasonable dummies: 2232184610Salfred */ 2233184610Salfred parm->hc_max_packet_size = 0x500; 2234184610Salfred parm->hc_max_packet_count = 1; 2235184610Salfred parm->hc_max_frame_size = 0x500; 2236184610Salfred 2237194228Sthompsa usbd_transfer_setup_sub(parm); 2238184610Salfred 2239184610Salfred /* 2240184610Salfred * compute maximum number of TDs 2241184610Salfred */ 2242184610Salfred if (parm->methods == &uss820dci_device_ctrl_methods) { 2243184610Salfred 2244184610Salfred ntd = xfer->nframes + 1 /* STATUS */ + 1 /* SYNC */ ; 2245184610Salfred 2246184610Salfred } else if (parm->methods == &uss820dci_device_bulk_methods) { 2247184610Salfred 2248184610Salfred ntd = xfer->nframes + 1 /* SYNC */ ; 2249184610Salfred 2250184610Salfred } else if (parm->methods == &uss820dci_device_intr_methods) { 2251184610Salfred 2252184610Salfred ntd = xfer->nframes + 1 /* SYNC */ ; 2253184610Salfred 2254184610Salfred } else if (parm->methods == &uss820dci_device_isoc_fs_methods) { 2255184610Salfred 2256184610Salfred ntd = xfer->nframes + 1 /* SYNC */ ; 2257184610Salfred 2258184610Salfred } else { 2259184610Salfred 2260184610Salfred ntd = 0; 2261184610Salfred } 2262184610Salfred 2263184610Salfred /* 2264194228Sthompsa * check if "usbd_transfer_setup_sub" set an error 2265184610Salfred */ 2266184610Salfred if (parm->err) { 2267184610Salfred return; 2268184610Salfred } 2269184610Salfred /* 2270184610Salfred * allocate transfer descriptors 2271184610Salfred */ 2272184610Salfred last_obj = NULL; 2273184610Salfred 2274184610Salfred /* 2275184610Salfred * get profile stuff 2276184610Salfred */ 2277184610Salfred if (ntd) { 2278184610Salfred 2279193644Sthompsa ep_no = xfer->endpointno & UE_ADDR; 2280184610Salfred uss820dci_get_hw_ep_profile(parm->udev, &pf, ep_no); 2281184610Salfred 2282184610Salfred if (pf == NULL) { 2283184610Salfred /* should not happen */ 2284184610Salfred parm->err = USB_ERR_INVAL; 2285184610Salfred return; 2286184610Salfred } 2287184610Salfred } else { 2288184610Salfred ep_no = 0; 2289184610Salfred pf = NULL; 2290184610Salfred } 2291184610Salfred 2292184610Salfred /* align data */ 2293184610Salfred parm->size[0] += ((-parm->size[0]) & (USB_HOST_ALIGN - 1)); 2294184610Salfred 2295184610Salfred for (n = 0; n != ntd; n++) { 2296184610Salfred 2297184610Salfred struct uss820dci_td *td; 2298184610Salfred 2299184610Salfred if (parm->buf) { 2300184610Salfred 2301184610Salfred td = USB_ADD_BYTES(parm->buf, parm->size[0]); 2302184610Salfred 2303184610Salfred /* init TD */ 2304184610Salfred td->io_tag = sc->sc_io_tag; 2305184610Salfred td->io_hdl = sc->sc_io_hdl; 2306184610Salfred td->max_packet_size = xfer->max_packet_size; 2307184610Salfred td->ep_index = ep_no; 2308184610Salfred if (pf->support_multi_buffer && 2309184610Salfred (parm->methods != &uss820dci_device_ctrl_methods)) { 2310184610Salfred td->support_multi_buffer = 1; 2311184610Salfred } 2312184610Salfred td->obj_next = last_obj; 2313184610Salfred 2314184610Salfred last_obj = td; 2315184610Salfred } 2316184610Salfred parm->size[0] += sizeof(*td); 2317184610Salfred } 2318184610Salfred 2319184610Salfred xfer->td_start[0] = last_obj; 2320184610Salfred} 2321184610Salfred 2322184610Salfredstatic void 2323192984Sthompsauss820dci_xfer_unsetup(struct usb_xfer *xfer) 2324184610Salfred{ 2325184610Salfred return; 2326184610Salfred} 2327184610Salfred 2328184610Salfredstatic void 2329193644Sthompsauss820dci_ep_init(struct usb_device *udev, struct usb_endpoint_descriptor *edesc, 2330193644Sthompsa struct usb_endpoint *ep) 2331184610Salfred{ 2332184610Salfred struct uss820dci_softc *sc = USS820_DCI_BUS2SC(udev->bus); 2333184610Salfred 2334193644Sthompsa DPRINTFN(2, "endpoint=%p, addr=%d, endpt=%d, mode=%d (%d)\n", 2335193644Sthompsa ep, udev->address, 2336192499Sthompsa edesc->bEndpointAddress, udev->flags.usb_mode, 2337184610Salfred sc->sc_rt_addr); 2338184610Salfred 2339190735Sthompsa if (udev->device_index != sc->sc_rt_addr) { 2340184610Salfred 2341184610Salfred if (udev->speed != USB_SPEED_FULL) { 2342184610Salfred /* not supported */ 2343184610Salfred return; 2344184610Salfred } 2345184610Salfred switch (edesc->bmAttributes & UE_XFERTYPE) { 2346184610Salfred case UE_CONTROL: 2347193644Sthompsa ep->methods = &uss820dci_device_ctrl_methods; 2348184610Salfred break; 2349184610Salfred case UE_INTERRUPT: 2350193644Sthompsa ep->methods = &uss820dci_device_intr_methods; 2351184610Salfred break; 2352184610Salfred case UE_ISOCHRONOUS: 2353193644Sthompsa ep->methods = &uss820dci_device_isoc_fs_methods; 2354184610Salfred break; 2355184610Salfred case UE_BULK: 2356193644Sthompsa ep->methods = &uss820dci_device_bulk_methods; 2357184610Salfred break; 2358184610Salfred default: 2359184610Salfred /* do nothing */ 2360184610Salfred break; 2361184610Salfred } 2362184610Salfred } 2363184610Salfred} 2364184610Salfred 2365229096Shselaskystatic void 2366229096Shselaskyuss820dci_set_hw_power_sleep(struct usb_bus *bus, uint32_t state) 2367229096Shselasky{ 2368229096Shselasky struct uss820dci_softc *sc = USS820_DCI_BUS2SC(bus); 2369229096Shselasky 2370229096Shselasky switch (state) { 2371229096Shselasky case USB_HW_POWER_SUSPEND: 2372229096Shselasky uss820dci_suspend(sc); 2373229096Shselasky break; 2374229096Shselasky case USB_HW_POWER_SHUTDOWN: 2375229096Shselasky uss820dci_uninit(sc); 2376229096Shselasky break; 2377229096Shselasky case USB_HW_POWER_RESUME: 2378229096Shselasky uss820dci_resume(sc); 2379229096Shselasky break; 2380229096Shselasky default: 2381229096Shselasky break; 2382229096Shselasky } 2383229096Shselasky} 2384229096Shselasky 2385192984Sthompsastruct usb_bus_methods uss820dci_bus_methods = 2386184610Salfred{ 2387193644Sthompsa .endpoint_init = &uss820dci_ep_init, 2388184610Salfred .xfer_setup = &uss820dci_xfer_setup, 2389184610Salfred .xfer_unsetup = &uss820dci_xfer_unsetup, 2390184610Salfred .get_hw_ep_profile = &uss820dci_get_hw_ep_profile, 2391184610Salfred .set_stall = &uss820dci_set_stall, 2392184610Salfred .clear_stall = &uss820dci_clear_stall, 2393190735Sthompsa .roothub_exec = &uss820dci_roothub_exec, 2394195960Salfred .xfer_poll = &uss820dci_do_poll, 2395229096Shselasky .set_hw_power_sleep = uss820dci_set_hw_power_sleep, 2396184610Salfred}; 2397