uss820dci.c revision 192448
1184610Salfred/* $FreeBSD: head/sys/dev/usb/controller/uss820dci.c 192448 2009-05-20 17:03:12Z thompsa $ */ 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 35188942Sthompsa#include <dev/usb/usb.h> 36188942Sthompsa#include <dev/usb/usb_mfunc.h> 37188942Sthompsa#include <dev/usb/usb_revision.h> 38188942Sthompsa#include <dev/usb/usb_error.h> 39184610Salfred 40184610Salfred#define USB_DEBUG_VAR uss820dcidebug 41184610Salfred 42188942Sthompsa#include <dev/usb/usb_core.h> 43188942Sthompsa#include <dev/usb/usb_debug.h> 44188942Sthompsa#include <dev/usb/usb_busdma.h> 45188942Sthompsa#include <dev/usb/usb_process.h> 46188942Sthompsa#include <dev/usb/usb_transfer.h> 47188942Sthompsa#include <dev/usb/usb_device.h> 48188942Sthompsa#include <dev/usb/usb_hub.h> 49188942Sthompsa#include <dev/usb/usb_util.h> 50184610Salfred 51188942Sthompsa#include <dev/usb/usb_controller.h> 52188942Sthompsa#include <dev/usb/usb_bus.h> 53188942Sthompsa#include <dev/usb/controller/uss820dci.h> 54184610Salfred 55184610Salfred#define USS820_DCI_BUS2SC(bus) \ 56184610Salfred ((struct uss820dci_softc *)(((uint8_t *)(bus)) - \ 57190181Sthompsa ((uint8_t *)&(((struct uss820dci_softc *)0)->sc_bus)))) 58184610Salfred 59184610Salfred#define USS820_DCI_PC2SC(pc) \ 60190180Sthompsa USS820_DCI_BUS2SC(USB_DMATAG_TO_XROOT((pc)->tag_parent)->bus) 61184610Salfred 62184610Salfred#if USB_DEBUG 63184610Salfredstatic int uss820dcidebug = 0; 64184610Salfred 65184610SalfredSYSCTL_NODE(_hw_usb2, OID_AUTO, uss820dci, CTLFLAG_RW, 0, "USB uss820dci"); 66184610SalfredSYSCTL_INT(_hw_usb2_uss820dci, OID_AUTO, debug, CTLFLAG_RW, 67184610Salfred &uss820dcidebug, 0, "uss820dci debug level"); 68184610Salfred#endif 69184610Salfred 70184610Salfred#define USS820_DCI_INTR_ENDPT 1 71184610Salfred 72184610Salfred/* prototypes */ 73184610Salfred 74184610Salfredstruct usb2_bus_methods uss820dci_bus_methods; 75184610Salfredstruct usb2_pipe_methods uss820dci_device_bulk_methods; 76184610Salfredstruct usb2_pipe_methods uss820dci_device_ctrl_methods; 77184610Salfredstruct usb2_pipe_methods uss820dci_device_intr_methods; 78184610Salfredstruct usb2_pipe_methods uss820dci_device_isoc_fs_methods; 79184610Salfred 80184610Salfredstatic uss820dci_cmd_t uss820dci_setup_rx; 81184610Salfredstatic uss820dci_cmd_t uss820dci_data_rx; 82184610Salfredstatic uss820dci_cmd_t uss820dci_data_tx; 83184610Salfredstatic uss820dci_cmd_t uss820dci_data_tx_sync; 84185948Sthompsastatic void uss820dci_device_done(struct usb2_xfer *, usb2_error_t); 85185948Sthompsastatic void uss820dci_do_poll(struct usb2_bus *); 86185948Sthompsastatic void uss820dci_standard_done(struct usb2_xfer *); 87185948Sthompsastatic void uss820dci_intr_set(struct usb2_xfer *, uint8_t); 88185948Sthompsastatic void uss820dci_update_shared_1(struct uss820dci_softc *, uint8_t, 89185948Sthompsa uint8_t, uint8_t); 90190735Sthompsastatic void uss820dci_root_intr(struct uss820dci_softc *); 91184610Salfred 92184610Salfred/* 93184610Salfred * Here is a list of what the USS820D chip can support. The main 94184610Salfred * limitation is that the sum of the buffer sizes must be less than 95184610Salfred * 1120 bytes. 96184610Salfred */ 97184610Salfredstatic const struct usb2_hw_ep_profile 98184610Salfred uss820dci_ep_profile[] = { 99184610Salfred 100184610Salfred [0] = { 101184610Salfred .max_in_frame_size = 32, 102184610Salfred .max_out_frame_size = 32, 103184610Salfred .is_simplex = 0, 104184610Salfred .support_control = 1, 105184610Salfred }, 106184610Salfred [1] = { 107184610Salfred .max_in_frame_size = 64, 108184610Salfred .max_out_frame_size = 64, 109184610Salfred .is_simplex = 0, 110184610Salfred .support_multi_buffer = 1, 111184610Salfred .support_bulk = 1, 112184610Salfred .support_interrupt = 1, 113184610Salfred .support_in = 1, 114184610Salfred .support_out = 1, 115184610Salfred }, 116184610Salfred [2] = { 117184610Salfred .max_in_frame_size = 8, 118184610Salfred .max_out_frame_size = 8, 119184610Salfred .is_simplex = 0, 120184610Salfred .support_multi_buffer = 1, 121184610Salfred .support_bulk = 1, 122184610Salfred .support_interrupt = 1, 123184610Salfred .support_in = 1, 124184610Salfred .support_out = 1, 125184610Salfred }, 126184610Salfred [3] = { 127184610Salfred .max_in_frame_size = 256, 128184610Salfred .max_out_frame_size = 256, 129184610Salfred .is_simplex = 0, 130184610Salfred .support_multi_buffer = 1, 131184610Salfred .support_isochronous = 1, 132184610Salfred .support_in = 1, 133184610Salfred .support_out = 1, 134184610Salfred }, 135184610Salfred}; 136184610Salfred 137184610Salfredstatic void 138184610Salfreduss820dci_update_shared_1(struct uss820dci_softc *sc, uint8_t reg, 139184610Salfred uint8_t keep_mask, uint8_t set_mask) 140184610Salfred{ 141184610Salfred uint8_t temp; 142184610Salfred 143184610Salfred USS820_WRITE_1(sc, USS820_PEND, 1); 144184610Salfred temp = USS820_READ_1(sc, reg); 145184610Salfred temp &= (keep_mask); 146184610Salfred temp |= (set_mask); 147184610Salfred USS820_WRITE_1(sc, reg, temp); 148184610Salfred USS820_WRITE_1(sc, USS820_PEND, 0); 149184610Salfred} 150184610Salfred 151184610Salfredstatic void 152184610Salfreduss820dci_get_hw_ep_profile(struct usb2_device *udev, 153184610Salfred const struct usb2_hw_ep_profile **ppf, uint8_t ep_addr) 154184610Salfred{ 155184610Salfred if (ep_addr == 0) { 156184610Salfred *ppf = uss820dci_ep_profile + 0; 157184610Salfred } else if (ep_addr < 5) { 158184610Salfred *ppf = uss820dci_ep_profile + 1; 159184610Salfred } else if (ep_addr < 7) { 160184610Salfred *ppf = uss820dci_ep_profile + 2; 161184610Salfred } else if (ep_addr == 7) { 162184610Salfred *ppf = uss820dci_ep_profile + 3; 163184610Salfred } else { 164184610Salfred *ppf = NULL; 165184610Salfred } 166184610Salfred} 167184610Salfred 168184610Salfredstatic void 169184610Salfreduss820dci_pull_up(struct uss820dci_softc *sc) 170184610Salfred{ 171184610Salfred uint8_t temp; 172184610Salfred 173184610Salfred /* pullup D+, if possible */ 174184610Salfred 175184610Salfred if (!sc->sc_flags.d_pulled_up && 176184610Salfred sc->sc_flags.port_powered) { 177184610Salfred sc->sc_flags.d_pulled_up = 1; 178184610Salfred 179184610Salfred DPRINTF("\n"); 180184610Salfred 181184610Salfred temp = USS820_READ_1(sc, USS820_MCSR); 182184610Salfred temp |= USS820_MCSR_DPEN; 183184610Salfred USS820_WRITE_1(sc, USS820_MCSR, temp); 184184610Salfred } 185184610Salfred} 186184610Salfred 187184610Salfredstatic void 188184610Salfreduss820dci_pull_down(struct uss820dci_softc *sc) 189184610Salfred{ 190184610Salfred uint8_t temp; 191184610Salfred 192184610Salfred /* pulldown D+, if possible */ 193184610Salfred 194184610Salfred if (sc->sc_flags.d_pulled_up) { 195184610Salfred sc->sc_flags.d_pulled_up = 0; 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_wakeup_peer(struct uss820dci_softc *sc) 207184610Salfred{ 208184610Salfred if (!(sc->sc_flags.status_suspend)) { 209184610Salfred return; 210184610Salfred } 211184610Salfred DPRINTFN(0, "not supported\n"); 212184610Salfred} 213184610Salfred 214184610Salfredstatic void 215184610Salfreduss820dci_set_address(struct uss820dci_softc *sc, uint8_t addr) 216184610Salfred{ 217184610Salfred DPRINTFN(5, "addr=%d\n", addr); 218184610Salfred 219184610Salfred USS820_WRITE_1(sc, USS820_FADDR, addr); 220184610Salfred} 221184610Salfred 222184610Salfredstatic uint8_t 223184610Salfreduss820dci_setup_rx(struct uss820dci_td *td) 224184610Salfred{ 225184610Salfred struct uss820dci_softc *sc; 226184610Salfred struct usb2_device_request req; 227184610Salfred uint16_t count; 228184610Salfred uint8_t rx_stat; 229184610Salfred uint8_t temp; 230184610Salfred 231184610Salfred /* select the correct endpoint */ 232184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 233192448Sthompsa USS820_EPINDEX, td->ep_index); 234184610Salfred 235184610Salfred /* read out FIFO status */ 236184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 237192448Sthompsa USS820_RXSTAT); 238184610Salfred 239184610Salfred /* get pointer to softc */ 240184610Salfred sc = USS820_DCI_PC2SC(td->pc); 241184610Salfred 242184610Salfred DPRINTFN(5, "rx_stat=0x%02x rem=%u\n", rx_stat, td->remainder); 243184610Salfred 244184610Salfred if (!(rx_stat & USS820_RXSTAT_RXSETUP)) { 245184610Salfred goto not_complete; 246184610Salfred } 247190721Sthompsa /* clear did stall */ 248190721Sthompsa td->did_stall = 0; 249190721Sthompsa 250184610Salfred /* clear stall and all I/O */ 251184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, 252184610Salfred 0xFF ^ (USS820_EPCON_TXSTL | 253184610Salfred USS820_EPCON_RXSTL | 254184610Salfred USS820_EPCON_RXIE | 255184610Salfred USS820_EPCON_TXOE), 0); 256184610Salfred 257184610Salfred /* clear end overwrite flag */ 258184610Salfred uss820dci_update_shared_1(sc, USS820_RXSTAT, 259184610Salfred 0xFF ^ USS820_RXSTAT_EDOVW, 0); 260184610Salfred 261184610Salfred /* get the packet byte count */ 262184610Salfred count = bus_space_read_1(td->io_tag, td->io_hdl, 263192448Sthompsa USS820_RXCNTL); 264184610Salfred count |= (bus_space_read_1(td->io_tag, td->io_hdl, 265192448Sthompsa USS820_RXCNTH) << 8); 266184610Salfred count &= 0x3FF; 267184610Salfred 268184610Salfred /* verify data length */ 269184610Salfred if (count != td->remainder) { 270184610Salfred DPRINTFN(0, "Invalid SETUP packet " 271184610Salfred "length, %d bytes\n", count); 272190722Sthompsa goto setup_not_complete; 273184610Salfred } 274184610Salfred if (count != sizeof(req)) { 275184610Salfred DPRINTFN(0, "Unsupported SETUP packet " 276184610Salfred "length, %d bytes\n", count); 277190722Sthompsa goto setup_not_complete; 278184610Salfred } 279184610Salfred /* receive data */ 280184610Salfred bus_space_read_multi_1(td->io_tag, td->io_hdl, 281192448Sthompsa USS820_RXDAT, (void *)&req, sizeof(req)); 282184610Salfred 283184610Salfred /* read out FIFO status */ 284184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 285192448Sthompsa USS820_RXSTAT); 286184610Salfred 287184610Salfred if (rx_stat & (USS820_RXSTAT_EDOVW | 288184610Salfred USS820_RXSTAT_STOVW)) { 289184610Salfred DPRINTF("new SETUP packet received\n"); 290184610Salfred return (1); /* not complete */ 291184610Salfred } 292184610Salfred /* clear receive setup bit */ 293184610Salfred uss820dci_update_shared_1(sc, USS820_RXSTAT, 294184610Salfred 0xFF ^ (USS820_RXSTAT_RXSETUP | 295184610Salfred USS820_RXSTAT_EDOVW | 296184610Salfred USS820_RXSTAT_STOVW), 0); 297184610Salfred 298184610Salfred /* set RXFFRC bit */ 299184610Salfred temp = bus_space_read_1(td->io_tag, td->io_hdl, 300192448Sthompsa USS820_RXCON); 301184610Salfred temp |= USS820_RXCON_RXFFRC; 302184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 303192448Sthompsa USS820_RXCON, temp); 304184610Salfred 305184610Salfred /* copy data into real buffer */ 306184610Salfred usb2_copy_in(td->pc, 0, &req, sizeof(req)); 307184610Salfred 308184610Salfred td->offset = sizeof(req); 309184610Salfred td->remainder = 0; 310184610Salfred 311184610Salfred /* sneak peek the set address */ 312184610Salfred if ((req.bmRequestType == UT_WRITE_DEVICE) && 313184610Salfred (req.bRequest == UR_SET_ADDRESS)) { 314184610Salfred sc->sc_dv_addr = req.wValue[0] & 0x7F; 315184610Salfred } else { 316184610Salfred sc->sc_dv_addr = 0xFF; 317184610Salfred } 318184610Salfred return (0); /* complete */ 319184610Salfred 320190722Sthompsasetup_not_complete: 321190722Sthompsa 322190722Sthompsa /* set RXFFRC bit */ 323190722Sthompsa temp = bus_space_read_1(td->io_tag, td->io_hdl, 324192448Sthompsa USS820_RXCON); 325190722Sthompsa temp |= USS820_RXCON_RXFFRC; 326190722Sthompsa bus_space_write_1(td->io_tag, td->io_hdl, 327192448Sthompsa USS820_RXCON, temp); 328190722Sthompsa 329190722Sthompsa /* FALLTHROUGH */ 330190722Sthompsa 331184610Salfrednot_complete: 332190721Sthompsa /* abort any ongoing transfer */ 333190721Sthompsa if (!td->did_stall) { 334190721Sthompsa DPRINTFN(5, "stalling\n"); 335190721Sthompsa /* set stall */ 336190721Sthompsa uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, 337190721Sthompsa (USS820_EPCON_TXSTL | USS820_EPCON_RXSTL)); 338190721Sthompsa 339190721Sthompsa td->did_stall = 1; 340190721Sthompsa } 341190721Sthompsa 342184610Salfred /* clear end overwrite flag, if any */ 343184610Salfred if (rx_stat & USS820_RXSTAT_RXSETUP) { 344184610Salfred uss820dci_update_shared_1(sc, USS820_RXSTAT, 345184610Salfred 0xFF ^ (USS820_RXSTAT_EDOVW | 346184610Salfred USS820_RXSTAT_STOVW | 347184610Salfred USS820_RXSTAT_RXSETUP), 0); 348184610Salfred } 349184610Salfred return (1); /* not complete */ 350184610Salfred 351184610Salfred} 352184610Salfred 353184610Salfredstatic uint8_t 354184610Salfreduss820dci_data_rx(struct uss820dci_td *td) 355184610Salfred{ 356184610Salfred struct usb2_page_search buf_res; 357184610Salfred uint16_t count; 358184610Salfred uint8_t rx_flag; 359184610Salfred uint8_t rx_stat; 360184610Salfred uint8_t rx_cntl; 361184610Salfred uint8_t to; 362184610Salfred uint8_t got_short; 363184610Salfred 364184610Salfred to = 2; /* don't loop forever! */ 365184610Salfred got_short = 0; 366184610Salfred 367184610Salfred /* select the correct endpoint */ 368192448Sthompsa bus_space_write_1(td->io_tag, td->io_hdl, USS820_EPINDEX, td->ep_index); 369184610Salfred 370184610Salfred /* check if any of the FIFO banks have data */ 371184610Salfredrepeat: 372184610Salfred /* read out FIFO flag */ 373184610Salfred rx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 374192448Sthompsa USS820_RXFLG); 375184610Salfred /* read out FIFO status */ 376184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 377192448Sthompsa USS820_RXSTAT); 378184610Salfred 379184610Salfred DPRINTFN(5, "rx_stat=0x%02x rx_flag=0x%02x rem=%u\n", 380184610Salfred rx_stat, rx_flag, td->remainder); 381184610Salfred 382184610Salfred if (rx_stat & (USS820_RXSTAT_RXSETUP | 383184610Salfred USS820_RXSTAT_RXSOVW | 384184610Salfred USS820_RXSTAT_EDOVW)) { 385184610Salfred if (td->remainder == 0) { 386184610Salfred /* 387184610Salfred * We are actually complete and have 388184610Salfred * received the next SETUP 389184610Salfred */ 390184610Salfred DPRINTFN(5, "faking complete\n"); 391184610Salfred return (0); /* complete */ 392184610Salfred } 393184610Salfred /* 394184610Salfred * USB Host Aborted the transfer. 395184610Salfred */ 396184610Salfred td->error = 1; 397184610Salfred return (0); /* complete */ 398184610Salfred } 399184610Salfred /* check for errors */ 400184610Salfred if (rx_flag & (USS820_RXFLG_RXOVF | 401184610Salfred USS820_RXFLG_RXURF)) { 402184610Salfred DPRINTFN(5, "overflow or underflow\n"); 403184610Salfred /* should not happen */ 404184610Salfred td->error = 1; 405184610Salfred return (0); /* complete */ 406184610Salfred } 407184610Salfred /* check status */ 408184610Salfred if (!(rx_flag & (USS820_RXFLG_RXFIF0 | 409184610Salfred USS820_RXFLG_RXFIF1))) { 410184610Salfred 411184610Salfred /* read out EPCON register */ 412184610Salfred /* enable RX input */ 413184610Salfred if (!td->did_stall) { 414184610Salfred uss820dci_update_shared_1(USS820_DCI_PC2SC(td->pc), 415184610Salfred USS820_EPCON, 0xFF, USS820_EPCON_RXIE); 416184610Salfred td->did_stall = 1; 417184610Salfred } 418184610Salfred return (1); /* not complete */ 419184610Salfred } 420184610Salfred /* get the packet byte count */ 421184610Salfred count = bus_space_read_1(td->io_tag, td->io_hdl, 422192448Sthompsa USS820_RXCNTL); 423184610Salfred 424184610Salfred count |= (bus_space_read_1(td->io_tag, td->io_hdl, 425192448Sthompsa USS820_RXCNTH) << 8); 426184610Salfred count &= 0x3FF; 427184610Salfred 428184610Salfred DPRINTFN(5, "count=0x%04x\n", count); 429184610Salfred 430184610Salfred /* verify the packet byte count */ 431184610Salfred if (count != td->max_packet_size) { 432184610Salfred if (count < td->max_packet_size) { 433184610Salfred /* we have a short packet */ 434184610Salfred td->short_pkt = 1; 435184610Salfred got_short = 1; 436184610Salfred } else { 437184610Salfred /* invalid USB packet */ 438184610Salfred td->error = 1; 439184610Salfred return (0); /* we are complete */ 440184610Salfred } 441184610Salfred } 442184610Salfred /* verify the packet byte count */ 443184610Salfred if (count > td->remainder) { 444184610Salfred /* invalid USB packet */ 445184610Salfred td->error = 1; 446184610Salfred return (0); /* we are complete */ 447184610Salfred } 448184610Salfred while (count > 0) { 449184610Salfred usb2_get_page(td->pc, td->offset, &buf_res); 450184610Salfred 451184610Salfred /* get correct length */ 452184610Salfred if (buf_res.length > count) { 453184610Salfred buf_res.length = count; 454184610Salfred } 455184610Salfred /* receive data */ 456184610Salfred bus_space_read_multi_1(td->io_tag, td->io_hdl, 457192448Sthompsa USS820_RXDAT, buf_res.buffer, buf_res.length); 458184610Salfred 459184610Salfred /* update counters */ 460184610Salfred count -= buf_res.length; 461184610Salfred td->offset += buf_res.length; 462184610Salfred td->remainder -= buf_res.length; 463184610Salfred } 464184610Salfred 465184610Salfred /* set RXFFRC bit */ 466184610Salfred rx_cntl = bus_space_read_1(td->io_tag, td->io_hdl, 467192448Sthompsa USS820_RXCON); 468184610Salfred rx_cntl |= USS820_RXCON_RXFFRC; 469184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 470192448Sthompsa USS820_RXCON, rx_cntl); 471184610Salfred 472184610Salfred /* check if we are complete */ 473184610Salfred if ((td->remainder == 0) || got_short) { 474184610Salfred if (td->short_pkt) { 475184610Salfred /* we are complete */ 476184610Salfred return (0); 477184610Salfred } 478184610Salfred /* else need to receive a zero length packet */ 479184610Salfred } 480184610Salfred if (--to) { 481184610Salfred goto repeat; 482184610Salfred } 483184610Salfred return (1); /* not complete */ 484184610Salfred} 485184610Salfred 486184610Salfredstatic uint8_t 487184610Salfreduss820dci_data_tx(struct uss820dci_td *td) 488184610Salfred{ 489184610Salfred struct usb2_page_search buf_res; 490184610Salfred uint16_t count; 491184610Salfred uint16_t count_copy; 492184610Salfred uint8_t rx_stat; 493184610Salfred uint8_t tx_flag; 494184610Salfred uint8_t to; 495184610Salfred 496184610Salfred /* select the correct endpoint */ 497184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 498192448Sthompsa USS820_EPINDEX, td->ep_index); 499184610Salfred 500184610Salfred to = 2; /* don't loop forever! */ 501184610Salfred 502184610Salfredrepeat: 503184610Salfred /* read out TX FIFO flags */ 504184610Salfred tx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 505192448Sthompsa USS820_TXFLG); 506184610Salfred 507184610Salfred /* read out RX FIFO status last */ 508184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 509192448Sthompsa USS820_RXSTAT); 510184610Salfred 511184610Salfred DPRINTFN(5, "rx_stat=0x%02x tx_flag=0x%02x rem=%u\n", 512184610Salfred rx_stat, tx_flag, td->remainder); 513184610Salfred 514184610Salfred if (rx_stat & (USS820_RXSTAT_RXSETUP | 515184610Salfred USS820_RXSTAT_RXSOVW | 516184610Salfred USS820_RXSTAT_EDOVW)) { 517184610Salfred /* 518184610Salfred * The current transfer was aborted 519184610Salfred * by the USB Host 520184610Salfred */ 521184610Salfred td->error = 1; 522184610Salfred return (0); /* complete */ 523184610Salfred } 524184610Salfred if (tx_flag & (USS820_TXFLG_TXOVF | 525184610Salfred USS820_TXFLG_TXURF)) { 526184610Salfred td->error = 1; 527184610Salfred return (0); /* complete */ 528184610Salfred } 529184610Salfred if (tx_flag & USS820_TXFLG_TXFIF0) { 530184610Salfred if (tx_flag & USS820_TXFLG_TXFIF1) { 531184610Salfred return (1); /* not complete */ 532184610Salfred } 533184610Salfred } 534184610Salfred if ((!td->support_multi_buffer) && 535184610Salfred (tx_flag & (USS820_TXFLG_TXFIF0 | 536184610Salfred USS820_TXFLG_TXFIF1))) { 537184610Salfred return (1); /* not complete */ 538184610Salfred } 539184610Salfred count = td->max_packet_size; 540184610Salfred if (td->remainder < count) { 541184610Salfred /* we have a short packet */ 542184610Salfred td->short_pkt = 1; 543184610Salfred count = td->remainder; 544184610Salfred } 545184610Salfred count_copy = count; 546184610Salfred while (count > 0) { 547184610Salfred 548184610Salfred usb2_get_page(td->pc, td->offset, &buf_res); 549184610Salfred 550184610Salfred /* get correct length */ 551184610Salfred if (buf_res.length > count) { 552184610Salfred buf_res.length = count; 553184610Salfred } 554184610Salfred /* transmit data */ 555184610Salfred bus_space_write_multi_1(td->io_tag, td->io_hdl, 556192448Sthompsa USS820_TXDAT, buf_res.buffer, buf_res.length); 557184610Salfred 558184610Salfred /* update counters */ 559184610Salfred count -= buf_res.length; 560184610Salfred td->offset += buf_res.length; 561184610Salfred td->remainder -= buf_res.length; 562184610Salfred } 563184610Salfred 564184610Salfred /* post-write high packet byte count first */ 565184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 566192448Sthompsa USS820_TXCNTH, count_copy >> 8); 567184610Salfred 568184610Salfred /* post-write low packet byte count last */ 569184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 570192448Sthompsa USS820_TXCNTL, count_copy); 571184610Salfred 572184610Salfred /* 573184610Salfred * Enable TX output, which must happen after that we have written 574184610Salfred * data into the FIFO. This is undocumented. 575184610Salfred */ 576184610Salfred if (!td->did_stall) { 577184610Salfred uss820dci_update_shared_1(USS820_DCI_PC2SC(td->pc), 578184610Salfred USS820_EPCON, 0xFF, USS820_EPCON_TXOE); 579184610Salfred td->did_stall = 1; 580184610Salfred } 581184610Salfred /* check remainder */ 582184610Salfred if (td->remainder == 0) { 583184610Salfred if (td->short_pkt) { 584184610Salfred return (0); /* complete */ 585184610Salfred } 586184610Salfred /* else we need to transmit a short packet */ 587184610Salfred } 588184610Salfred if (--to) { 589184610Salfred goto repeat; 590184610Salfred } 591184610Salfred return (1); /* not complete */ 592184610Salfred} 593184610Salfred 594184610Salfredstatic uint8_t 595184610Salfreduss820dci_data_tx_sync(struct uss820dci_td *td) 596184610Salfred{ 597184610Salfred struct uss820dci_softc *sc; 598184610Salfred uint8_t rx_stat; 599184610Salfred uint8_t tx_flag; 600184610Salfred 601184610Salfred /* select the correct endpoint */ 602184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 603192448Sthompsa USS820_EPINDEX, td->ep_index); 604184610Salfred 605184610Salfred /* read out TX FIFO flag */ 606184610Salfred tx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 607192448Sthompsa USS820_TXFLG); 608184610Salfred 609184610Salfred /* read out RX FIFO status last */ 610184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 611192448Sthompsa USS820_RXSTAT); 612184610Salfred 613184610Salfred DPRINTFN(5, "rx_stat=0x%02x rem=%u\n", rx_stat, td->remainder); 614184610Salfred 615184610Salfred if (rx_stat & (USS820_RXSTAT_RXSETUP | 616184610Salfred USS820_RXSTAT_RXSOVW | 617184610Salfred USS820_RXSTAT_EDOVW)) { 618184610Salfred DPRINTFN(5, "faking complete\n"); 619184610Salfred /* Race condition */ 620184610Salfred return (0); /* complete */ 621184610Salfred } 622184610Salfred DPRINTFN(5, "tx_flag=0x%02x rem=%u\n", 623184610Salfred tx_flag, td->remainder); 624184610Salfred 625184610Salfred if (tx_flag & (USS820_TXFLG_TXOVF | 626184610Salfred USS820_TXFLG_TXURF)) { 627184610Salfred td->error = 1; 628184610Salfred return (0); /* complete */ 629184610Salfred } 630184610Salfred if (tx_flag & (USS820_TXFLG_TXFIF0 | 631184610Salfred USS820_TXFLG_TXFIF1)) { 632184610Salfred return (1); /* not complete */ 633184610Salfred } 634184610Salfred sc = USS820_DCI_PC2SC(td->pc); 635184610Salfred if (sc->sc_dv_addr != 0xFF) { 636184610Salfred /* write function address */ 637184610Salfred uss820dci_set_address(sc, sc->sc_dv_addr); 638184610Salfred } 639184610Salfred return (0); /* complete */ 640184610Salfred} 641184610Salfred 642184610Salfredstatic uint8_t 643184610Salfreduss820dci_xfer_do_fifo(struct usb2_xfer *xfer) 644184610Salfred{ 645184610Salfred struct uss820dci_td *td; 646184610Salfred 647184610Salfred DPRINTFN(9, "\n"); 648184610Salfred 649184610Salfred td = xfer->td_transfer_cache; 650184610Salfred while (1) { 651184610Salfred if ((td->func) (td)) { 652184610Salfred /* operation in progress */ 653184610Salfred break; 654184610Salfred } 655184610Salfred if (((void *)td) == xfer->td_transfer_last) { 656184610Salfred goto done; 657184610Salfred } 658184610Salfred if (td->error) { 659184610Salfred goto done; 660184610Salfred } else if (td->remainder > 0) { 661184610Salfred /* 662184610Salfred * We had a short transfer. If there is no alternate 663184610Salfred * next, stop processing ! 664184610Salfred */ 665184610Salfred if (!td->alt_next) { 666184610Salfred goto done; 667184610Salfred } 668184610Salfred } 669184610Salfred /* 670184610Salfred * Fetch the next transfer descriptor. 671184610Salfred */ 672184610Salfred td = td->obj_next; 673184610Salfred xfer->td_transfer_cache = td; 674184610Salfred } 675184610Salfred return (1); /* not complete */ 676184610Salfred 677184610Salfreddone: 678184610Salfred /* compute all actual lengths */ 679184610Salfred 680184610Salfred uss820dci_standard_done(xfer); 681184610Salfred 682184610Salfred return (0); /* complete */ 683184610Salfred} 684184610Salfred 685184610Salfredstatic void 686184610Salfreduss820dci_interrupt_poll(struct uss820dci_softc *sc) 687184610Salfred{ 688184610Salfred struct usb2_xfer *xfer; 689184610Salfred 690184610Salfredrepeat: 691184610Salfred TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { 692184610Salfred if (!uss820dci_xfer_do_fifo(xfer)) { 693184610Salfred /* queue has been modified */ 694184610Salfred goto repeat; 695184610Salfred } 696184610Salfred } 697184610Salfred} 698184610Salfred 699184610Salfredstatic void 700184610Salfreduss820dci_wait_suspend(struct uss820dci_softc *sc, uint8_t on) 701184610Salfred{ 702184610Salfred uint8_t scr; 703184610Salfred uint8_t scratch; 704184610Salfred 705184610Salfred scr = USS820_READ_1(sc, USS820_SCR); 706184610Salfred scratch = USS820_READ_1(sc, USS820_SCRATCH); 707184610Salfred 708184610Salfred if (on) { 709184610Salfred scr |= USS820_SCR_IE_SUSP; 710184610Salfred scratch &= ~USS820_SCRATCH_IE_RESUME; 711184610Salfred } else { 712184610Salfred scr &= ~USS820_SCR_IE_SUSP; 713184610Salfred scratch |= USS820_SCRATCH_IE_RESUME; 714184610Salfred } 715184610Salfred 716184610Salfred USS820_WRITE_1(sc, USS820_SCR, scr); 717184610Salfred USS820_WRITE_1(sc, USS820_SCRATCH, scratch); 718184610Salfred} 719184610Salfred 720184610Salfredvoid 721184610Salfreduss820dci_interrupt(struct uss820dci_softc *sc) 722184610Salfred{ 723184610Salfred uint8_t ssr; 724184610Salfred uint8_t event; 725184610Salfred 726184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 727184610Salfred 728184610Salfred ssr = USS820_READ_1(sc, USS820_SSR); 729184610Salfred 730184610Salfred ssr &= (USS820_SSR_SUSPEND | 731184610Salfred USS820_SSR_RESUME | 732184610Salfred USS820_SSR_RESET); 733184610Salfred 734184610Salfred /* acknowledge all interrupts */ 735184610Salfred 736184610Salfred uss820dci_update_shared_1(sc, USS820_SSR, 0, 0); 737184610Salfred 738184610Salfred /* check for any bus state change interrupts */ 739184610Salfred 740184610Salfred if (ssr) { 741184610Salfred 742184610Salfred event = 0; 743184610Salfred 744184610Salfred if (ssr & USS820_SSR_RESET) { 745184610Salfred sc->sc_flags.status_bus_reset = 1; 746184610Salfred sc->sc_flags.status_suspend = 0; 747184610Salfred sc->sc_flags.change_suspend = 0; 748184610Salfred sc->sc_flags.change_connect = 1; 749184610Salfred 750184610Salfred /* disable resume interrupt */ 751184610Salfred uss820dci_wait_suspend(sc, 1); 752184610Salfred 753184610Salfred event = 1; 754184610Salfred } 755184610Salfred /* 756184610Salfred * If "RESUME" and "SUSPEND" is set at the same time 757184610Salfred * we interpret that like "RESUME". Resume is set when 758184610Salfred * there is at least 3 milliseconds of inactivity on 759184610Salfred * the USB BUS. 760184610Salfred */ 761184610Salfred if (ssr & USS820_SSR_RESUME) { 762184610Salfred if (sc->sc_flags.status_suspend) { 763184610Salfred sc->sc_flags.status_suspend = 0; 764184610Salfred sc->sc_flags.change_suspend = 1; 765184610Salfred /* disable resume interrupt */ 766184610Salfred uss820dci_wait_suspend(sc, 1); 767184610Salfred event = 1; 768184610Salfred } 769184610Salfred } else if (ssr & USS820_SSR_SUSPEND) { 770184610Salfred if (!sc->sc_flags.status_suspend) { 771184610Salfred sc->sc_flags.status_suspend = 1; 772184610Salfred sc->sc_flags.change_suspend = 1; 773184610Salfred /* enable resume interrupt */ 774184610Salfred uss820dci_wait_suspend(sc, 0); 775184610Salfred event = 1; 776184610Salfred } 777184610Salfred } 778184610Salfred if (event) { 779184610Salfred 780184610Salfred DPRINTF("real bus interrupt 0x%02x\n", ssr); 781184610Salfred 782184610Salfred /* complete root HUB interrupt endpoint */ 783190735Sthompsa uss820dci_root_intr(sc); 784184610Salfred } 785184610Salfred } 786184610Salfred /* acknowledge all SBI interrupts */ 787184610Salfred uss820dci_update_shared_1(sc, USS820_SBI, 0, 0); 788184610Salfred 789184610Salfred /* acknowledge all SBI1 interrupts */ 790184610Salfred uss820dci_update_shared_1(sc, USS820_SBI1, 0, 0); 791184610Salfred 792184610Salfred /* poll all active transfers */ 793184610Salfred uss820dci_interrupt_poll(sc); 794184610Salfred 795184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 796184610Salfred} 797184610Salfred 798184610Salfredstatic void 799184610Salfreduss820dci_setup_standard_chain_sub(struct uss820_std_temp *temp) 800184610Salfred{ 801184610Salfred struct uss820dci_td *td; 802184610Salfred 803184610Salfred /* get current Transfer Descriptor */ 804184610Salfred td = temp->td_next; 805184610Salfred temp->td = td; 806184610Salfred 807184610Salfred /* prepare for next TD */ 808184610Salfred temp->td_next = td->obj_next; 809184610Salfred 810184610Salfred /* fill out the Transfer Descriptor */ 811184610Salfred td->func = temp->func; 812184610Salfred td->pc = temp->pc; 813184610Salfred td->offset = temp->offset; 814184610Salfred td->remainder = temp->len; 815184610Salfred td->error = 0; 816184610Salfred td->did_stall = 0; 817184610Salfred td->short_pkt = temp->short_pkt; 818184610Salfred td->alt_next = temp->setup_alt_next; 819184610Salfred} 820184610Salfred 821184610Salfredstatic void 822184610Salfreduss820dci_setup_standard_chain(struct usb2_xfer *xfer) 823184610Salfred{ 824184610Salfred struct uss820_std_temp temp; 825184610Salfred struct uss820dci_softc *sc; 826184610Salfred struct uss820dci_td *td; 827184610Salfred uint32_t x; 828184610Salfred uint8_t ep_no; 829184610Salfred 830184610Salfred DPRINTFN(9, "addr=%d endpt=%d sumlen=%d speed=%d\n", 831184610Salfred xfer->address, UE_GET_ADDR(xfer->endpoint), 832187173Sthompsa xfer->sumlen, usb2_get_speed(xfer->xroot->udev)); 833184610Salfred 834184610Salfred temp.max_frame_size = xfer->max_frame_size; 835184610Salfred 836184610Salfred td = xfer->td_start[0]; 837184610Salfred xfer->td_transfer_first = td; 838184610Salfred xfer->td_transfer_cache = td; 839184610Salfred 840184610Salfred /* setup temp */ 841184610Salfred 842184610Salfred temp.td = NULL; 843184610Salfred temp.td_next = xfer->td_start[0]; 844190183Sthompsa temp.offset = 0; 845184610Salfred temp.setup_alt_next = xfer->flags_int.short_frames_ok; 846184610Salfred 847187173Sthompsa sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 848184610Salfred ep_no = (xfer->endpoint & UE_ADDR); 849184610Salfred 850184610Salfred /* check if we should prepend a setup message */ 851184610Salfred 852184610Salfred if (xfer->flags_int.control_xfr) { 853184610Salfred if (xfer->flags_int.control_hdr) { 854184610Salfred 855184610Salfred temp.func = &uss820dci_setup_rx; 856184610Salfred temp.len = xfer->frlengths[0]; 857184610Salfred temp.pc = xfer->frbuffers + 0; 858184610Salfred temp.short_pkt = temp.len ? 1 : 0; 859190183Sthompsa /* check for last frame */ 860190183Sthompsa if (xfer->nframes == 1) { 861190183Sthompsa /* no STATUS stage yet, SETUP is last */ 862190183Sthompsa if (xfer->flags_int.control_act) 863190183Sthompsa temp.setup_alt_next = 0; 864190183Sthompsa } 865184610Salfred 866184610Salfred uss820dci_setup_standard_chain_sub(&temp); 867184610Salfred } 868184610Salfred x = 1; 869184610Salfred } else { 870184610Salfred x = 0; 871184610Salfred } 872184610Salfred 873184610Salfred if (x != xfer->nframes) { 874184610Salfred if (xfer->endpoint & UE_DIR_IN) { 875184610Salfred temp.func = &uss820dci_data_tx; 876184610Salfred } else { 877184610Salfred temp.func = &uss820dci_data_rx; 878184610Salfred } 879184610Salfred 880184610Salfred /* setup "pc" pointer */ 881184610Salfred temp.pc = xfer->frbuffers + x; 882184610Salfred } 883184610Salfred while (x != xfer->nframes) { 884184610Salfred 885184610Salfred /* DATA0 / DATA1 message */ 886184610Salfred 887184610Salfred temp.len = xfer->frlengths[x]; 888184610Salfred 889184610Salfred x++; 890184610Salfred 891184610Salfred if (x == xfer->nframes) { 892190183Sthompsa if (xfer->flags_int.control_xfr) { 893190183Sthompsa if (xfer->flags_int.control_act) { 894190183Sthompsa temp.setup_alt_next = 0; 895190183Sthompsa } 896190183Sthompsa } else { 897190183Sthompsa temp.setup_alt_next = 0; 898190183Sthompsa } 899184610Salfred } 900184610Salfred if (temp.len == 0) { 901184610Salfred 902184610Salfred /* make sure that we send an USB packet */ 903184610Salfred 904184610Salfred temp.short_pkt = 0; 905184610Salfred 906184610Salfred } else { 907184610Salfred 908184610Salfred /* regular data transfer */ 909184610Salfred 910184610Salfred temp.short_pkt = (xfer->flags.force_short_xfer) ? 0 : 1; 911184610Salfred } 912184610Salfred 913184610Salfred uss820dci_setup_standard_chain_sub(&temp); 914184610Salfred 915184610Salfred if (xfer->flags_int.isochronous_xfr) { 916184610Salfred temp.offset += temp.len; 917184610Salfred } else { 918184610Salfred /* get next Page Cache pointer */ 919184610Salfred temp.pc = xfer->frbuffers + x; 920184610Salfred } 921184610Salfred } 922184610Salfred 923190183Sthompsa /* check for control transfer */ 924190183Sthompsa if (xfer->flags_int.control_xfr) { 925184610Salfred uint8_t need_sync; 926184610Salfred 927190183Sthompsa /* always setup a valid "pc" pointer for status and sync */ 928190183Sthompsa temp.pc = xfer->frbuffers + 0; 929184610Salfred temp.len = 0; 930184610Salfred temp.short_pkt = 0; 931190183Sthompsa temp.setup_alt_next = 0; 932184610Salfred 933190183Sthompsa /* check if we should append a status stage */ 934190183Sthompsa if (!xfer->flags_int.control_act) { 935190183Sthompsa 936190183Sthompsa /* 937190183Sthompsa * Send a DATA1 message and invert the current 938190183Sthompsa * endpoint direction. 939190183Sthompsa */ 940190183Sthompsa if (xfer->endpoint & UE_DIR_IN) { 941190183Sthompsa temp.func = &uss820dci_data_rx; 942190183Sthompsa need_sync = 0; 943190183Sthompsa } else { 944190183Sthompsa temp.func = &uss820dci_data_tx; 945190183Sthompsa need_sync = 1; 946190183Sthompsa } 947184610Salfred temp.len = 0; 948184610Salfred temp.short_pkt = 0; 949184610Salfred 950184610Salfred uss820dci_setup_standard_chain_sub(&temp); 951190183Sthompsa if (need_sync) { 952190183Sthompsa /* we need a SYNC point after TX */ 953190183Sthompsa temp.func = &uss820dci_data_tx_sync; 954190183Sthompsa uss820dci_setup_standard_chain_sub(&temp); 955190183Sthompsa } 956184610Salfred } 957184610Salfred } 958184610Salfred /* must have at least one frame! */ 959184610Salfred td = temp.td; 960184610Salfred xfer->td_transfer_last = td; 961184610Salfred} 962184610Salfred 963184610Salfredstatic void 964184610Salfreduss820dci_timeout(void *arg) 965184610Salfred{ 966184610Salfred struct usb2_xfer *xfer = arg; 967184610Salfred 968184610Salfred DPRINTF("xfer=%p\n", xfer); 969184610Salfred 970187173Sthompsa USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); 971184610Salfred 972184610Salfred /* transfer is transferred */ 973184610Salfred uss820dci_device_done(xfer, USB_ERR_TIMEOUT); 974184610Salfred} 975184610Salfred 976184610Salfredstatic void 977184610Salfreduss820dci_intr_set(struct usb2_xfer *xfer, uint8_t set) 978184610Salfred{ 979187173Sthompsa struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 980184610Salfred uint8_t ep_no = (xfer->endpoint & UE_ADDR); 981184610Salfred uint8_t ep_reg; 982184610Salfred uint8_t temp; 983184610Salfred 984184610Salfred DPRINTFN(15, "endpoint 0x%02x\n", xfer->endpoint); 985184610Salfred 986184610Salfred if (ep_no > 3) { 987184610Salfred ep_reg = USS820_SBIE1; 988184610Salfred } else { 989184610Salfred ep_reg = USS820_SBIE; 990184610Salfred } 991184610Salfred 992184610Salfred ep_no &= 3; 993184610Salfred ep_no = 1 << (2 * ep_no); 994184610Salfred 995184610Salfred if (xfer->flags_int.control_xfr) { 996184610Salfred if (xfer->flags_int.control_hdr) { 997184610Salfred ep_no <<= 1; /* RX interrupt only */ 998184610Salfred } else { 999184610Salfred ep_no |= (ep_no << 1); /* RX and TX interrupt */ 1000184610Salfred } 1001184610Salfred } else { 1002184610Salfred if (!(xfer->endpoint & UE_DIR_IN)) { 1003184610Salfred ep_no <<= 1; 1004184610Salfred } 1005184610Salfred } 1006184610Salfred temp = USS820_READ_1(sc, ep_reg); 1007184610Salfred if (set) { 1008184610Salfred temp |= ep_no; 1009184610Salfred } else { 1010184610Salfred temp &= ~ep_no; 1011184610Salfred } 1012184610Salfred USS820_WRITE_1(sc, ep_reg, temp); 1013184610Salfred} 1014184610Salfred 1015184610Salfredstatic void 1016184610Salfreduss820dci_start_standard_chain(struct usb2_xfer *xfer) 1017184610Salfred{ 1018184610Salfred DPRINTFN(9, "\n"); 1019184610Salfred 1020184610Salfred /* poll one time */ 1021184610Salfred if (uss820dci_xfer_do_fifo(xfer)) { 1022184610Salfred 1023184610Salfred /* 1024184610Salfred * Only enable the endpoint interrupt when we are 1025184610Salfred * actually waiting for data, hence we are dealing 1026184610Salfred * with level triggered interrupts ! 1027184610Salfred */ 1028184610Salfred uss820dci_intr_set(xfer, 1); 1029184610Salfred 1030184610Salfred /* put transfer on interrupt queue */ 1031187173Sthompsa usb2_transfer_enqueue(&xfer->xroot->bus->intr_q, xfer); 1032184610Salfred 1033184610Salfred /* start timeout, if any */ 1034184610Salfred if (xfer->timeout != 0) { 1035184610Salfred usb2_transfer_timeout_ms(xfer, 1036184610Salfred &uss820dci_timeout, xfer->timeout); 1037184610Salfred } 1038184610Salfred } 1039184610Salfred} 1040184610Salfred 1041184610Salfredstatic void 1042190735Sthompsauss820dci_root_intr(struct uss820dci_softc *sc) 1043184610Salfred{ 1044184610Salfred DPRINTFN(9, "\n"); 1045184610Salfred 1046184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 1047184610Salfred 1048184610Salfred /* set port bit */ 1049184610Salfred sc->sc_hub_idata[0] = 0x02; /* we only have one port */ 1050184610Salfred 1051190735Sthompsa uhub_root_intr(&sc->sc_bus, sc->sc_hub_idata, 1052190735Sthompsa sizeof(sc->sc_hub_idata)); 1053184610Salfred} 1054184610Salfred 1055184610Salfredstatic usb2_error_t 1056184610Salfreduss820dci_standard_done_sub(struct usb2_xfer *xfer) 1057184610Salfred{ 1058184610Salfred struct uss820dci_td *td; 1059184610Salfred uint32_t len; 1060184610Salfred uint8_t error; 1061184610Salfred 1062184610Salfred DPRINTFN(9, "\n"); 1063184610Salfred 1064184610Salfred td = xfer->td_transfer_cache; 1065184610Salfred 1066184610Salfred do { 1067184610Salfred len = td->remainder; 1068184610Salfred 1069184610Salfred if (xfer->aframes != xfer->nframes) { 1070184610Salfred /* 1071184610Salfred * Verify the length and subtract 1072184610Salfred * the remainder from "frlengths[]": 1073184610Salfred */ 1074184610Salfred if (len > xfer->frlengths[xfer->aframes]) { 1075184610Salfred td->error = 1; 1076184610Salfred } else { 1077184610Salfred xfer->frlengths[xfer->aframes] -= len; 1078184610Salfred } 1079184610Salfred } 1080184610Salfred /* Check for transfer error */ 1081184610Salfred if (td->error) { 1082184610Salfred /* the transfer is finished */ 1083184610Salfred error = 1; 1084184610Salfred td = NULL; 1085184610Salfred break; 1086184610Salfred } 1087184610Salfred /* Check for short transfer */ 1088184610Salfred if (len > 0) { 1089184610Salfred if (xfer->flags_int.short_frames_ok) { 1090184610Salfred /* follow alt next */ 1091184610Salfred if (td->alt_next) { 1092184610Salfred td = td->obj_next; 1093184610Salfred } else { 1094184610Salfred td = NULL; 1095184610Salfred } 1096184610Salfred } else { 1097184610Salfred /* the transfer is finished */ 1098184610Salfred td = NULL; 1099184610Salfred } 1100184610Salfred error = 0; 1101184610Salfred break; 1102184610Salfred } 1103184610Salfred td = td->obj_next; 1104184610Salfred 1105184610Salfred /* this USB frame is complete */ 1106184610Salfred error = 0; 1107184610Salfred break; 1108184610Salfred 1109184610Salfred } while (0); 1110184610Salfred 1111184610Salfred /* update transfer cache */ 1112184610Salfred 1113184610Salfred xfer->td_transfer_cache = td; 1114184610Salfred 1115184610Salfred return (error ? 1116184610Salfred USB_ERR_STALLED : USB_ERR_NORMAL_COMPLETION); 1117184610Salfred} 1118184610Salfred 1119184610Salfredstatic void 1120184610Salfreduss820dci_standard_done(struct usb2_xfer *xfer) 1121184610Salfred{ 1122184610Salfred usb2_error_t err = 0; 1123184610Salfred 1124184610Salfred DPRINTFN(13, "xfer=%p pipe=%p transfer done\n", 1125184610Salfred xfer, xfer->pipe); 1126184610Salfred 1127184610Salfred /* reset scanner */ 1128184610Salfred 1129184610Salfred xfer->td_transfer_cache = xfer->td_transfer_first; 1130184610Salfred 1131184610Salfred if (xfer->flags_int.control_xfr) { 1132184610Salfred 1133184610Salfred if (xfer->flags_int.control_hdr) { 1134184610Salfred 1135184610Salfred err = uss820dci_standard_done_sub(xfer); 1136184610Salfred } 1137184610Salfred xfer->aframes = 1; 1138184610Salfred 1139184610Salfred if (xfer->td_transfer_cache == NULL) { 1140184610Salfred goto done; 1141184610Salfred } 1142184610Salfred } 1143184610Salfred while (xfer->aframes != xfer->nframes) { 1144184610Salfred 1145184610Salfred err = uss820dci_standard_done_sub(xfer); 1146184610Salfred xfer->aframes++; 1147184610Salfred 1148184610Salfred if (xfer->td_transfer_cache == NULL) { 1149184610Salfred goto done; 1150184610Salfred } 1151184610Salfred } 1152184610Salfred 1153184610Salfred if (xfer->flags_int.control_xfr && 1154184610Salfred !xfer->flags_int.control_act) { 1155184610Salfred 1156184610Salfred err = uss820dci_standard_done_sub(xfer); 1157184610Salfred } 1158184610Salfreddone: 1159184610Salfred uss820dci_device_done(xfer, err); 1160184610Salfred} 1161184610Salfred 1162184610Salfred/*------------------------------------------------------------------------* 1163184610Salfred * uss820dci_device_done 1164184610Salfred * 1165184610Salfred * NOTE: this function can be called more than one time on the 1166184610Salfred * same USB transfer! 1167184610Salfred *------------------------------------------------------------------------*/ 1168184610Salfredstatic void 1169184610Salfreduss820dci_device_done(struct usb2_xfer *xfer, usb2_error_t error) 1170184610Salfred{ 1171187173Sthompsa USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); 1172184610Salfred 1173184610Salfred DPRINTFN(2, "xfer=%p, pipe=%p, error=%d\n", 1174184610Salfred xfer, xfer->pipe, error); 1175184610Salfred 1176184610Salfred if (xfer->flags_int.usb2_mode == USB_MODE_DEVICE) { 1177184610Salfred uss820dci_intr_set(xfer, 0); 1178184610Salfred } 1179184610Salfred /* dequeue transfer and start next transfer */ 1180184610Salfred usb2_transfer_done(xfer, error); 1181184610Salfred} 1182184610Salfred 1183184610Salfredstatic void 1184184610Salfreduss820dci_set_stall(struct usb2_device *udev, struct usb2_xfer *xfer, 1185184610Salfred struct usb2_pipe *pipe) 1186184610Salfred{ 1187184610Salfred struct uss820dci_softc *sc; 1188184610Salfred uint8_t ep_no; 1189184610Salfred uint8_t ep_type; 1190184610Salfred uint8_t ep_dir; 1191184610Salfred uint8_t temp; 1192184610Salfred 1193184824Sthompsa USB_BUS_LOCK_ASSERT(udev->bus, MA_OWNED); 1194184610Salfred 1195184610Salfred DPRINTFN(5, "pipe=%p\n", pipe); 1196184610Salfred 1197184610Salfred if (xfer) { 1198184610Salfred /* cancel any ongoing transfers */ 1199184610Salfred uss820dci_device_done(xfer, USB_ERR_STALLED); 1200184610Salfred } 1201184610Salfred /* set FORCESTALL */ 1202184610Salfred sc = USS820_DCI_BUS2SC(udev->bus); 1203184610Salfred ep_no = (pipe->edesc->bEndpointAddress & UE_ADDR); 1204184610Salfred ep_dir = (pipe->edesc->bEndpointAddress & (UE_DIR_IN | UE_DIR_OUT)); 1205184610Salfred ep_type = (pipe->edesc->bmAttributes & UE_XFERTYPE); 1206184610Salfred 1207184610Salfred if (ep_type == UE_CONTROL) { 1208184610Salfred /* should not happen */ 1209184610Salfred return; 1210184610Salfred } 1211184610Salfred USS820_WRITE_1(sc, USS820_EPINDEX, ep_no); 1212184610Salfred 1213184610Salfred if (ep_dir == UE_DIR_IN) { 1214184610Salfred temp = USS820_EPCON_TXSTL; 1215184610Salfred } else { 1216184610Salfred temp = USS820_EPCON_RXSTL; 1217184610Salfred } 1218184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, temp); 1219184610Salfred} 1220184610Salfred 1221184610Salfredstatic void 1222184610Salfreduss820dci_clear_stall_sub(struct uss820dci_softc *sc, 1223184610Salfred uint8_t ep_no, uint8_t ep_type, uint8_t ep_dir) 1224184610Salfred{ 1225184610Salfred uint8_t temp; 1226184610Salfred 1227184610Salfred if (ep_type == UE_CONTROL) { 1228184610Salfred /* clearing stall is not needed */ 1229184610Salfred return; 1230184610Salfred } 1231184610Salfred /* select endpoint index */ 1232184610Salfred USS820_WRITE_1(sc, USS820_EPINDEX, ep_no); 1233184610Salfred 1234184610Salfred /* clear stall and disable I/O transfers */ 1235184610Salfred if (ep_dir == UE_DIR_IN) { 1236184610Salfred temp = 0xFF ^ (USS820_EPCON_TXOE | 1237184610Salfred USS820_EPCON_TXSTL); 1238184610Salfred } else { 1239184610Salfred temp = 0xFF ^ (USS820_EPCON_RXIE | 1240184610Salfred USS820_EPCON_RXSTL); 1241184610Salfred } 1242184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, temp, 0); 1243184610Salfred 1244184610Salfred if (ep_dir == UE_DIR_IN) { 1245184610Salfred /* reset data toggle */ 1246184610Salfred USS820_WRITE_1(sc, USS820_TXSTAT, 1247184610Salfred USS820_TXSTAT_TXSOVW); 1248184610Salfred 1249184610Salfred /* reset FIFO */ 1250184610Salfred temp = USS820_READ_1(sc, USS820_TXCON); 1251184610Salfred temp |= USS820_TXCON_TXCLR; 1252184610Salfred USS820_WRITE_1(sc, USS820_TXCON, temp); 1253184610Salfred temp &= ~USS820_TXCON_TXCLR; 1254184610Salfred USS820_WRITE_1(sc, USS820_TXCON, temp); 1255184610Salfred } else { 1256184610Salfred 1257184610Salfred /* reset data toggle */ 1258184610Salfred uss820dci_update_shared_1(sc, USS820_RXSTAT, 1259184610Salfred 0, USS820_RXSTAT_RXSOVW); 1260184610Salfred 1261184610Salfred /* reset FIFO */ 1262184610Salfred temp = USS820_READ_1(sc, USS820_RXCON); 1263184610Salfred temp |= USS820_RXCON_RXCLR; 1264184610Salfred temp &= ~USS820_RXCON_RXFFRC; 1265184610Salfred USS820_WRITE_1(sc, USS820_RXCON, temp); 1266184610Salfred temp &= ~USS820_RXCON_RXCLR; 1267184610Salfred USS820_WRITE_1(sc, USS820_RXCON, temp); 1268184610Salfred } 1269184610Salfred} 1270184610Salfred 1271184610Salfredstatic void 1272184610Salfreduss820dci_clear_stall(struct usb2_device *udev, struct usb2_pipe *pipe) 1273184610Salfred{ 1274184610Salfred struct uss820dci_softc *sc; 1275184610Salfred struct usb2_endpoint_descriptor *ed; 1276184610Salfred 1277184824Sthompsa USB_BUS_LOCK_ASSERT(udev->bus, MA_OWNED); 1278184610Salfred 1279184610Salfred DPRINTFN(5, "pipe=%p\n", pipe); 1280184610Salfred 1281184610Salfred /* check mode */ 1282184610Salfred if (udev->flags.usb2_mode != USB_MODE_DEVICE) { 1283184610Salfred /* not supported */ 1284184610Salfred return; 1285184610Salfred } 1286184610Salfred /* get softc */ 1287184610Salfred sc = USS820_DCI_BUS2SC(udev->bus); 1288184610Salfred 1289184610Salfred /* get endpoint descriptor */ 1290184610Salfred ed = pipe->edesc; 1291184610Salfred 1292184610Salfred /* reset endpoint */ 1293184610Salfred uss820dci_clear_stall_sub(sc, 1294184610Salfred (ed->bEndpointAddress & UE_ADDR), 1295184610Salfred (ed->bmAttributes & UE_XFERTYPE), 1296184610Salfred (ed->bEndpointAddress & (UE_DIR_IN | UE_DIR_OUT))); 1297184610Salfred} 1298184610Salfred 1299184610Salfredusb2_error_t 1300184610Salfreduss820dci_init(struct uss820dci_softc *sc) 1301184610Salfred{ 1302184610Salfred const struct usb2_hw_ep_profile *pf; 1303184610Salfred uint8_t n; 1304184610Salfred uint8_t temp; 1305184610Salfred 1306184610Salfred DPRINTF("start\n"); 1307184610Salfred 1308184610Salfred /* set up the bus structure */ 1309184610Salfred sc->sc_bus.usbrev = USB_REV_1_1; 1310184610Salfred sc->sc_bus.methods = &uss820dci_bus_methods; 1311184610Salfred 1312184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 1313184610Salfred 1314184610Salfred /* we always have VBUS */ 1315184610Salfred sc->sc_flags.status_vbus = 1; 1316184610Salfred 1317184610Salfred /* reset the chip */ 1318184610Salfred USS820_WRITE_1(sc, USS820_SCR, USS820_SCR_SRESET); 1319184610Salfred DELAY(100); 1320184610Salfred USS820_WRITE_1(sc, USS820_SCR, 0); 1321184610Salfred 1322184610Salfred /* wait for reset to complete */ 1323184610Salfred for (n = 0;; n++) { 1324184610Salfred 1325184610Salfred temp = USS820_READ_1(sc, USS820_MCSR); 1326184610Salfred 1327184610Salfred if (temp & USS820_MCSR_INIT) { 1328184610Salfred break; 1329184610Salfred } 1330184610Salfred if (n == 100) { 1331184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1332184610Salfred return (USB_ERR_INVAL); 1333184610Salfred } 1334184610Salfred /* wait a little for things to stabilise */ 1335184610Salfred DELAY(100); 1336184610Salfred } 1337184610Salfred 1338184610Salfred /* do a pulldown */ 1339184610Salfred uss820dci_pull_down(sc); 1340184610Salfred 1341184610Salfred /* wait 10ms for pulldown to stabilise */ 1342188409Sthompsa usb2_pause_mtx(&sc->sc_bus.bus_mtx, hz / 100); 1343184610Salfred 1344184610Salfred /* check hardware revision */ 1345184610Salfred temp = USS820_READ_1(sc, USS820_REV); 1346184610Salfred 1347184610Salfred if (temp < 0x13) { 1348184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1349184610Salfred return (USB_ERR_INVAL); 1350184610Salfred } 1351184610Salfred /* enable interrupts */ 1352184610Salfred USS820_WRITE_1(sc, USS820_SCR, 1353184610Salfred USS820_SCR_T_IRQ | 1354184610Salfred USS820_SCR_IE_RESET | 1355186730Salfred /* USS820_SCR_RWUPE | */ 1356184610Salfred USS820_SCR_IE_SUSP | 1357184610Salfred USS820_SCR_IRQPOL); 1358184610Salfred 1359184610Salfred /* enable interrupts */ 1360184610Salfred USS820_WRITE_1(sc, USS820_SCRATCH, 1361184610Salfred USS820_SCRATCH_IE_RESUME); 1362184610Salfred 1363184610Salfred /* enable features */ 1364184610Salfred USS820_WRITE_1(sc, USS820_MCSR, 1365184610Salfred USS820_MCSR_BDFEAT | 1366184610Salfred USS820_MCSR_FEAT); 1367184610Salfred 1368184610Salfred sc->sc_flags.mcsr_feat = 1; 1369184610Salfred 1370184610Salfred /* disable interrupts */ 1371184610Salfred USS820_WRITE_1(sc, USS820_SBIE, 0); 1372184610Salfred 1373184610Salfred /* disable interrupts */ 1374184610Salfred USS820_WRITE_1(sc, USS820_SBIE1, 0); 1375184610Salfred 1376184610Salfred /* disable all endpoints */ 1377184610Salfred for (n = 0; n != USS820_EP_MAX; n++) { 1378184610Salfred 1379184610Salfred /* select endpoint */ 1380184610Salfred USS820_WRITE_1(sc, USS820_EPINDEX, n); 1381184610Salfred 1382184610Salfred /* disable endpoint */ 1383184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, 0, 0); 1384184610Salfred } 1385184610Salfred 1386184610Salfred /* 1387184610Salfred * Initialise default values for some registers that cannot be 1388184610Salfred * changed during operation! 1389184610Salfred */ 1390184610Salfred for (n = 0; n != USS820_EP_MAX; n++) { 1391184610Salfred 1392184610Salfred uss820dci_get_hw_ep_profile(NULL, &pf, n); 1393184610Salfred 1394184610Salfred /* the maximum frame sizes should be the same */ 1395184610Salfred if (pf->max_in_frame_size != pf->max_out_frame_size) { 1396184610Salfred DPRINTF("Max frame size mismatch %u != %u\n", 1397184610Salfred pf->max_in_frame_size, pf->max_out_frame_size); 1398184610Salfred } 1399184610Salfred if (pf->support_isochronous) { 1400184610Salfred if (pf->max_in_frame_size <= 64) { 1401184610Salfred temp = (USS820_TXCON_FFSZ_16_64 | 1402184610Salfred USS820_TXCON_TXISO | 1403184610Salfred USS820_TXCON_ATM); 1404184610Salfred } else if (pf->max_in_frame_size <= 256) { 1405184610Salfred temp = (USS820_TXCON_FFSZ_64_256 | 1406184610Salfred USS820_TXCON_TXISO | 1407184610Salfred USS820_TXCON_ATM); 1408184610Salfred } else if (pf->max_in_frame_size <= 512) { 1409184610Salfred temp = (USS820_TXCON_FFSZ_8_512 | 1410184610Salfred USS820_TXCON_TXISO | 1411184610Salfred USS820_TXCON_ATM); 1412184610Salfred } else { /* 1024 bytes */ 1413184610Salfred temp = (USS820_TXCON_FFSZ_32_1024 | 1414184610Salfred USS820_TXCON_TXISO | 1415184610Salfred USS820_TXCON_ATM); 1416184610Salfred } 1417184610Salfred } else { 1418184610Salfred if ((pf->max_in_frame_size <= 8) && 1419184610Salfred (sc->sc_flags.mcsr_feat)) { 1420184610Salfred temp = (USS820_TXCON_FFSZ_8_512 | 1421184610Salfred USS820_TXCON_ATM); 1422184610Salfred } else if (pf->max_in_frame_size <= 16) { 1423184610Salfred temp = (USS820_TXCON_FFSZ_16_64 | 1424184610Salfred USS820_TXCON_ATM); 1425184610Salfred } else if ((pf->max_in_frame_size <= 32) && 1426184610Salfred (sc->sc_flags.mcsr_feat)) { 1427184610Salfred temp = (USS820_TXCON_FFSZ_32_1024 | 1428184610Salfred USS820_TXCON_ATM); 1429184610Salfred } else { /* 64 bytes */ 1430184610Salfred temp = (USS820_TXCON_FFSZ_64_256 | 1431184610Salfred USS820_TXCON_ATM); 1432184610Salfred } 1433184610Salfred } 1434184610Salfred 1435184610Salfred /* need to configure the chip early */ 1436184610Salfred 1437184610Salfred USS820_WRITE_1(sc, USS820_EPINDEX, n); 1438184610Salfred USS820_WRITE_1(sc, USS820_TXCON, temp); 1439184610Salfred USS820_WRITE_1(sc, USS820_RXCON, temp); 1440184610Salfred 1441184610Salfred if (pf->support_control) { 1442184610Salfred temp = USS820_EPCON_CTLEP | 1443184610Salfred USS820_EPCON_RXSPM | 1444184610Salfred USS820_EPCON_RXIE | 1445184610Salfred USS820_EPCON_RXEPEN | 1446184610Salfred USS820_EPCON_TXOE | 1447184610Salfred USS820_EPCON_TXEPEN; 1448184610Salfred } else { 1449184610Salfred temp = USS820_EPCON_RXEPEN | USS820_EPCON_TXEPEN; 1450184610Salfred } 1451184610Salfred 1452184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, temp); 1453184610Salfred } 1454184610Salfred 1455184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1456184610Salfred 1457184610Salfred /* catch any lost interrupts */ 1458184610Salfred 1459184610Salfred uss820dci_do_poll(&sc->sc_bus); 1460184610Salfred 1461184610Salfred return (0); /* success */ 1462184610Salfred} 1463184610Salfred 1464184610Salfredvoid 1465184610Salfreduss820dci_uninit(struct uss820dci_softc *sc) 1466184610Salfred{ 1467184610Salfred uint8_t temp; 1468184610Salfred 1469184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 1470184610Salfred 1471184610Salfred /* disable all interrupts */ 1472184610Salfred temp = USS820_READ_1(sc, USS820_SCR); 1473184610Salfred temp &= ~USS820_SCR_T_IRQ; 1474184610Salfred USS820_WRITE_1(sc, USS820_SCR, temp); 1475184610Salfred 1476184610Salfred sc->sc_flags.port_powered = 0; 1477184610Salfred sc->sc_flags.status_vbus = 0; 1478184610Salfred sc->sc_flags.status_bus_reset = 0; 1479184610Salfred sc->sc_flags.status_suspend = 0; 1480184610Salfred sc->sc_flags.change_suspend = 0; 1481184610Salfred sc->sc_flags.change_connect = 1; 1482184610Salfred 1483184610Salfred uss820dci_pull_down(sc); 1484184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1485184610Salfred} 1486184610Salfred 1487184610Salfredvoid 1488184610Salfreduss820dci_suspend(struct uss820dci_softc *sc) 1489184610Salfred{ 1490184610Salfred return; 1491184610Salfred} 1492184610Salfred 1493184610Salfredvoid 1494184610Salfreduss820dci_resume(struct uss820dci_softc *sc) 1495184610Salfred{ 1496184610Salfred return; 1497184610Salfred} 1498184610Salfred 1499184610Salfredstatic void 1500184610Salfreduss820dci_do_poll(struct usb2_bus *bus) 1501184610Salfred{ 1502184610Salfred struct uss820dci_softc *sc = USS820_DCI_BUS2SC(bus); 1503184610Salfred 1504184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 1505184610Salfred uss820dci_interrupt_poll(sc); 1506184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1507184610Salfred} 1508184610Salfred 1509184610Salfred/*------------------------------------------------------------------------* 1510184610Salfred * at91dci bulk support 1511184610Salfred *------------------------------------------------------------------------*/ 1512184610Salfredstatic void 1513184610Salfreduss820dci_device_bulk_open(struct usb2_xfer *xfer) 1514184610Salfred{ 1515184610Salfred return; 1516184610Salfred} 1517184610Salfred 1518184610Salfredstatic void 1519184610Salfreduss820dci_device_bulk_close(struct usb2_xfer *xfer) 1520184610Salfred{ 1521184610Salfred uss820dci_device_done(xfer, USB_ERR_CANCELLED); 1522184610Salfred} 1523184610Salfred 1524184610Salfredstatic void 1525184610Salfreduss820dci_device_bulk_enter(struct usb2_xfer *xfer) 1526184610Salfred{ 1527184610Salfred return; 1528184610Salfred} 1529184610Salfred 1530184610Salfredstatic void 1531184610Salfreduss820dci_device_bulk_start(struct usb2_xfer *xfer) 1532184610Salfred{ 1533184610Salfred /* setup TDs */ 1534184610Salfred uss820dci_setup_standard_chain(xfer); 1535184610Salfred uss820dci_start_standard_chain(xfer); 1536184610Salfred} 1537184610Salfred 1538184610Salfredstruct usb2_pipe_methods uss820dci_device_bulk_methods = 1539184610Salfred{ 1540184610Salfred .open = uss820dci_device_bulk_open, 1541184610Salfred .close = uss820dci_device_bulk_close, 1542184610Salfred .enter = uss820dci_device_bulk_enter, 1543184610Salfred .start = uss820dci_device_bulk_start, 1544184610Salfred}; 1545184610Salfred 1546184610Salfred/*------------------------------------------------------------------------* 1547184610Salfred * at91dci control support 1548184610Salfred *------------------------------------------------------------------------*/ 1549184610Salfredstatic void 1550184610Salfreduss820dci_device_ctrl_open(struct usb2_xfer *xfer) 1551184610Salfred{ 1552184610Salfred return; 1553184610Salfred} 1554184610Salfred 1555184610Salfredstatic void 1556184610Salfreduss820dci_device_ctrl_close(struct usb2_xfer *xfer) 1557184610Salfred{ 1558184610Salfred uss820dci_device_done(xfer, USB_ERR_CANCELLED); 1559184610Salfred} 1560184610Salfred 1561184610Salfredstatic void 1562184610Salfreduss820dci_device_ctrl_enter(struct usb2_xfer *xfer) 1563184610Salfred{ 1564184610Salfred return; 1565184610Salfred} 1566184610Salfred 1567184610Salfredstatic void 1568184610Salfreduss820dci_device_ctrl_start(struct usb2_xfer *xfer) 1569184610Salfred{ 1570184610Salfred /* setup TDs */ 1571184610Salfred uss820dci_setup_standard_chain(xfer); 1572184610Salfred uss820dci_start_standard_chain(xfer); 1573184610Salfred} 1574184610Salfred 1575184610Salfredstruct usb2_pipe_methods uss820dci_device_ctrl_methods = 1576184610Salfred{ 1577184610Salfred .open = uss820dci_device_ctrl_open, 1578184610Salfred .close = uss820dci_device_ctrl_close, 1579184610Salfred .enter = uss820dci_device_ctrl_enter, 1580184610Salfred .start = uss820dci_device_ctrl_start, 1581184610Salfred}; 1582184610Salfred 1583184610Salfred/*------------------------------------------------------------------------* 1584184610Salfred * at91dci interrupt support 1585184610Salfred *------------------------------------------------------------------------*/ 1586184610Salfredstatic void 1587184610Salfreduss820dci_device_intr_open(struct usb2_xfer *xfer) 1588184610Salfred{ 1589184610Salfred return; 1590184610Salfred} 1591184610Salfred 1592184610Salfredstatic void 1593184610Salfreduss820dci_device_intr_close(struct usb2_xfer *xfer) 1594184610Salfred{ 1595184610Salfred uss820dci_device_done(xfer, USB_ERR_CANCELLED); 1596184610Salfred} 1597184610Salfred 1598184610Salfredstatic void 1599184610Salfreduss820dci_device_intr_enter(struct usb2_xfer *xfer) 1600184610Salfred{ 1601184610Salfred return; 1602184610Salfred} 1603184610Salfred 1604184610Salfredstatic void 1605184610Salfreduss820dci_device_intr_start(struct usb2_xfer *xfer) 1606184610Salfred{ 1607184610Salfred /* setup TDs */ 1608184610Salfred uss820dci_setup_standard_chain(xfer); 1609184610Salfred uss820dci_start_standard_chain(xfer); 1610184610Salfred} 1611184610Salfred 1612184610Salfredstruct usb2_pipe_methods uss820dci_device_intr_methods = 1613184610Salfred{ 1614184610Salfred .open = uss820dci_device_intr_open, 1615184610Salfred .close = uss820dci_device_intr_close, 1616184610Salfred .enter = uss820dci_device_intr_enter, 1617184610Salfred .start = uss820dci_device_intr_start, 1618184610Salfred}; 1619184610Salfred 1620184610Salfred/*------------------------------------------------------------------------* 1621184610Salfred * at91dci full speed isochronous support 1622184610Salfred *------------------------------------------------------------------------*/ 1623184610Salfredstatic void 1624184610Salfreduss820dci_device_isoc_fs_open(struct usb2_xfer *xfer) 1625184610Salfred{ 1626184610Salfred return; 1627184610Salfred} 1628184610Salfred 1629184610Salfredstatic void 1630184610Salfreduss820dci_device_isoc_fs_close(struct usb2_xfer *xfer) 1631184610Salfred{ 1632184610Salfred uss820dci_device_done(xfer, USB_ERR_CANCELLED); 1633184610Salfred} 1634184610Salfred 1635184610Salfredstatic void 1636184610Salfreduss820dci_device_isoc_fs_enter(struct usb2_xfer *xfer) 1637184610Salfred{ 1638187173Sthompsa struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 1639184610Salfred uint32_t temp; 1640184610Salfred uint32_t nframes; 1641184610Salfred 1642184610Salfred DPRINTFN(6, "xfer=%p next=%d nframes=%d\n", 1643184610Salfred xfer, xfer->pipe->isoc_next, xfer->nframes); 1644184610Salfred 1645184610Salfred /* get the current frame index - we don't need the high bits */ 1646184610Salfred 1647184610Salfred nframes = USS820_READ_1(sc, USS820_SOFL); 1648184610Salfred 1649184610Salfred /* 1650184610Salfred * check if the frame index is within the window where the 1651184610Salfred * frames will be inserted 1652184610Salfred */ 1653184610Salfred temp = (nframes - xfer->pipe->isoc_next) & USS820_SOFL_MASK; 1654184610Salfred 1655184610Salfred if ((xfer->pipe->is_synced == 0) || 1656184610Salfred (temp < xfer->nframes)) { 1657184610Salfred /* 1658184610Salfred * If there is data underflow or the pipe queue is 1659184610Salfred * empty we schedule the transfer a few frames ahead 1660184610Salfred * of the current frame position. Else two isochronous 1661184610Salfred * transfers might overlap. 1662184610Salfred */ 1663184610Salfred xfer->pipe->isoc_next = (nframes + 3) & USS820_SOFL_MASK; 1664184610Salfred xfer->pipe->is_synced = 1; 1665184610Salfred DPRINTFN(3, "start next=%d\n", xfer->pipe->isoc_next); 1666184610Salfred } 1667184610Salfred /* 1668184610Salfred * compute how many milliseconds the insertion is ahead of the 1669184610Salfred * current frame position: 1670184610Salfred */ 1671184610Salfred temp = (xfer->pipe->isoc_next - nframes) & USS820_SOFL_MASK; 1672184610Salfred 1673184610Salfred /* 1674184610Salfred * pre-compute when the isochronous transfer will be finished: 1675184610Salfred */ 1676184610Salfred xfer->isoc_time_complete = 1677184610Salfred usb2_isoc_time_expand(&sc->sc_bus, nframes) + temp + 1678184610Salfred xfer->nframes; 1679184610Salfred 1680184610Salfred /* compute frame number for next insertion */ 1681184610Salfred xfer->pipe->isoc_next += xfer->nframes; 1682184610Salfred 1683184610Salfred /* setup TDs */ 1684184610Salfred uss820dci_setup_standard_chain(xfer); 1685184610Salfred} 1686184610Salfred 1687184610Salfredstatic void 1688184610Salfreduss820dci_device_isoc_fs_start(struct usb2_xfer *xfer) 1689184610Salfred{ 1690184610Salfred /* start TD chain */ 1691184610Salfred uss820dci_start_standard_chain(xfer); 1692184610Salfred} 1693184610Salfred 1694184610Salfredstruct usb2_pipe_methods uss820dci_device_isoc_fs_methods = 1695184610Salfred{ 1696184610Salfred .open = uss820dci_device_isoc_fs_open, 1697184610Salfred .close = uss820dci_device_isoc_fs_close, 1698184610Salfred .enter = uss820dci_device_isoc_fs_enter, 1699184610Salfred .start = uss820dci_device_isoc_fs_start, 1700184610Salfred}; 1701184610Salfred 1702184610Salfred/*------------------------------------------------------------------------* 1703184610Salfred * at91dci root control support 1704184610Salfred *------------------------------------------------------------------------* 1705190735Sthompsa * Simulate a hardware HUB by handling all the necessary requests. 1706184610Salfred *------------------------------------------------------------------------*/ 1707184610Salfred 1708184610Salfredstatic const struct usb2_device_descriptor uss820dci_devd = { 1709184610Salfred .bLength = sizeof(struct usb2_device_descriptor), 1710184610Salfred .bDescriptorType = UDESC_DEVICE, 1711184610Salfred .bcdUSB = {0x00, 0x02}, 1712184610Salfred .bDeviceClass = UDCLASS_HUB, 1713184610Salfred .bDeviceSubClass = UDSUBCLASS_HUB, 1714184610Salfred .bDeviceProtocol = UDPROTO_HSHUBSTT, 1715184610Salfred .bMaxPacketSize = 64, 1716184610Salfred .bcdDevice = {0x00, 0x01}, 1717184610Salfred .iManufacturer = 1, 1718184610Salfred .iProduct = 2, 1719184610Salfred .bNumConfigurations = 1, 1720184610Salfred}; 1721184610Salfred 1722184610Salfredstatic const struct usb2_device_qualifier uss820dci_odevd = { 1723184610Salfred .bLength = sizeof(struct usb2_device_qualifier), 1724184610Salfred .bDescriptorType = UDESC_DEVICE_QUALIFIER, 1725184610Salfred .bcdUSB = {0x00, 0x02}, 1726184610Salfred .bDeviceClass = UDCLASS_HUB, 1727184610Salfred .bDeviceSubClass = UDSUBCLASS_HUB, 1728184610Salfred .bDeviceProtocol = UDPROTO_FSHUB, 1729184610Salfred .bMaxPacketSize0 = 0, 1730184610Salfred .bNumConfigurations = 0, 1731184610Salfred}; 1732184610Salfred 1733184610Salfredstatic const struct uss820dci_config_desc uss820dci_confd = { 1734184610Salfred .confd = { 1735184610Salfred .bLength = sizeof(struct usb2_config_descriptor), 1736184610Salfred .bDescriptorType = UDESC_CONFIG, 1737184610Salfred .wTotalLength[0] = sizeof(uss820dci_confd), 1738184610Salfred .bNumInterface = 1, 1739184610Salfred .bConfigurationValue = 1, 1740184610Salfred .iConfiguration = 0, 1741184610Salfred .bmAttributes = UC_SELF_POWERED, 1742184610Salfred .bMaxPower = 0, 1743184610Salfred }, 1744184610Salfred .ifcd = { 1745184610Salfred .bLength = sizeof(struct usb2_interface_descriptor), 1746184610Salfred .bDescriptorType = UDESC_INTERFACE, 1747184610Salfred .bNumEndpoints = 1, 1748184610Salfred .bInterfaceClass = UICLASS_HUB, 1749184610Salfred .bInterfaceSubClass = UISUBCLASS_HUB, 1750184610Salfred .bInterfaceProtocol = UIPROTO_HSHUBSTT, 1751184610Salfred }, 1752184610Salfred 1753184610Salfred .endpd = { 1754184610Salfred .bLength = sizeof(struct usb2_endpoint_descriptor), 1755184610Salfred .bDescriptorType = UDESC_ENDPOINT, 1756184610Salfred .bEndpointAddress = (UE_DIR_IN | USS820_DCI_INTR_ENDPT), 1757184610Salfred .bmAttributes = UE_INTERRUPT, 1758184610Salfred .wMaxPacketSize[0] = 8, 1759184610Salfred .bInterval = 255, 1760184610Salfred }, 1761184610Salfred}; 1762184610Salfred 1763184610Salfredstatic const struct usb2_hub_descriptor_min uss820dci_hubd = { 1764184610Salfred .bDescLength = sizeof(uss820dci_hubd), 1765184610Salfred .bDescriptorType = UDESC_HUB, 1766184610Salfred .bNbrPorts = 1, 1767184610Salfred .wHubCharacteristics[0] = 1768184610Salfred (UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL) & 0xFF, 1769184610Salfred .wHubCharacteristics[1] = 1770187183Sthompsa (UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL) >> 8, 1771184610Salfred .bPwrOn2PwrGood = 50, 1772184610Salfred .bHubContrCurrent = 0, 1773184610Salfred .DeviceRemovable = {0}, /* port is removable */ 1774184610Salfred}; 1775184610Salfred 1776184610Salfred#define STRING_LANG \ 1777184610Salfred 0x09, 0x04, /* American English */ 1778184610Salfred 1779184610Salfred#define STRING_VENDOR \ 1780184610Salfred 'A', 0, 'G', 0, 'E', 0, 'R', 0, 'E', 0 1781184610Salfred 1782184610Salfred#define STRING_PRODUCT \ 1783184610Salfred 'D', 0, 'C', 0, 'I', 0, ' ', 0, 'R', 0, \ 1784184610Salfred 'o', 0, 'o', 0, 't', 0, ' ', 0, 'H', 0, \ 1785184610Salfred 'U', 0, 'B', 0, 1786184610Salfred 1787184610SalfredUSB_MAKE_STRING_DESC(STRING_LANG, uss820dci_langtab); 1788184610SalfredUSB_MAKE_STRING_DESC(STRING_VENDOR, uss820dci_vendor); 1789184610SalfredUSB_MAKE_STRING_DESC(STRING_PRODUCT, uss820dci_product); 1790184610Salfred 1791191402Sthompsastatic usb2_error_t 1792191402Sthompsauss820dci_roothub_exec(struct usb2_device *udev, 1793191402Sthompsa struct usb2_device_request *req, const void **pptr, uint16_t *plength) 1794184610Salfred{ 1795191402Sthompsa struct uss820dci_softc *sc = USS820_DCI_BUS2SC(udev->bus); 1796191402Sthompsa const void *ptr; 1797191402Sthompsa uint16_t len; 1798184610Salfred uint16_t value; 1799184610Salfred uint16_t index; 1800191402Sthompsa usb2_error_t err; 1801184610Salfred 1802184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 1803184610Salfred 1804184610Salfred /* buffer reset */ 1805191402Sthompsa ptr = (const void *)&sc->sc_hub_temp; 1806191402Sthompsa len = 0; 1807191402Sthompsa err = 0; 1808184610Salfred 1809191402Sthompsa value = UGETW(req->wValue); 1810191402Sthompsa index = UGETW(req->wIndex); 1811184610Salfred 1812184610Salfred /* demultiplex the control request */ 1813184610Salfred 1814191402Sthompsa switch (req->bmRequestType) { 1815184610Salfred case UT_READ_DEVICE: 1816191402Sthompsa switch (req->bRequest) { 1817184610Salfred case UR_GET_DESCRIPTOR: 1818184610Salfred goto tr_handle_get_descriptor; 1819184610Salfred case UR_GET_CONFIG: 1820184610Salfred goto tr_handle_get_config; 1821184610Salfred case UR_GET_STATUS: 1822184610Salfred goto tr_handle_get_status; 1823184610Salfred default: 1824184610Salfred goto tr_stalled; 1825184610Salfred } 1826184610Salfred break; 1827184610Salfred 1828184610Salfred case UT_WRITE_DEVICE: 1829191402Sthompsa switch (req->bRequest) { 1830184610Salfred case UR_SET_ADDRESS: 1831184610Salfred goto tr_handle_set_address; 1832184610Salfred case UR_SET_CONFIG: 1833184610Salfred goto tr_handle_set_config; 1834184610Salfred case UR_CLEAR_FEATURE: 1835184610Salfred goto tr_valid; /* nop */ 1836184610Salfred case UR_SET_DESCRIPTOR: 1837184610Salfred goto tr_valid; /* nop */ 1838184610Salfred case UR_SET_FEATURE: 1839184610Salfred default: 1840184610Salfred goto tr_stalled; 1841184610Salfred } 1842184610Salfred break; 1843184610Salfred 1844184610Salfred case UT_WRITE_ENDPOINT: 1845191402Sthompsa switch (req->bRequest) { 1846184610Salfred case UR_CLEAR_FEATURE: 1847191402Sthompsa switch (UGETW(req->wValue)) { 1848184610Salfred case UF_ENDPOINT_HALT: 1849184610Salfred goto tr_handle_clear_halt; 1850184610Salfred case UF_DEVICE_REMOTE_WAKEUP: 1851184610Salfred goto tr_handle_clear_wakeup; 1852184610Salfred default: 1853184610Salfred goto tr_stalled; 1854184610Salfred } 1855184610Salfred break; 1856184610Salfred case UR_SET_FEATURE: 1857191402Sthompsa switch (UGETW(req->wValue)) { 1858184610Salfred case UF_ENDPOINT_HALT: 1859184610Salfred goto tr_handle_set_halt; 1860184610Salfred case UF_DEVICE_REMOTE_WAKEUP: 1861184610Salfred goto tr_handle_set_wakeup; 1862184610Salfred default: 1863184610Salfred goto tr_stalled; 1864184610Salfred } 1865184610Salfred break; 1866184610Salfred case UR_SYNCH_FRAME: 1867184610Salfred goto tr_valid; /* nop */ 1868184610Salfred default: 1869184610Salfred goto tr_stalled; 1870184610Salfred } 1871184610Salfred break; 1872184610Salfred 1873184610Salfred case UT_READ_ENDPOINT: 1874191402Sthompsa switch (req->bRequest) { 1875184610Salfred case UR_GET_STATUS: 1876184610Salfred goto tr_handle_get_ep_status; 1877184610Salfred default: 1878184610Salfred goto tr_stalled; 1879184610Salfred } 1880184610Salfred break; 1881184610Salfred 1882184610Salfred case UT_WRITE_INTERFACE: 1883191402Sthompsa switch (req->bRequest) { 1884184610Salfred case UR_SET_INTERFACE: 1885184610Salfred goto tr_handle_set_interface; 1886184610Salfred case UR_CLEAR_FEATURE: 1887184610Salfred goto tr_valid; /* nop */ 1888184610Salfred case UR_SET_FEATURE: 1889184610Salfred default: 1890184610Salfred goto tr_stalled; 1891184610Salfred } 1892184610Salfred break; 1893184610Salfred 1894184610Salfred case UT_READ_INTERFACE: 1895191402Sthompsa switch (req->bRequest) { 1896184610Salfred case UR_GET_INTERFACE: 1897184610Salfred goto tr_handle_get_interface; 1898184610Salfred case UR_GET_STATUS: 1899184610Salfred goto tr_handle_get_iface_status; 1900184610Salfred default: 1901184610Salfred goto tr_stalled; 1902184610Salfred } 1903184610Salfred break; 1904184610Salfred 1905184610Salfred case UT_WRITE_CLASS_INTERFACE: 1906184610Salfred case UT_WRITE_VENDOR_INTERFACE: 1907184610Salfred /* XXX forward */ 1908184610Salfred break; 1909184610Salfred 1910184610Salfred case UT_READ_CLASS_INTERFACE: 1911184610Salfred case UT_READ_VENDOR_INTERFACE: 1912184610Salfred /* XXX forward */ 1913184610Salfred break; 1914184610Salfred 1915184610Salfred case UT_WRITE_CLASS_DEVICE: 1916191402Sthompsa switch (req->bRequest) { 1917184610Salfred case UR_CLEAR_FEATURE: 1918184610Salfred goto tr_valid; 1919184610Salfred case UR_SET_DESCRIPTOR: 1920184610Salfred case UR_SET_FEATURE: 1921184610Salfred break; 1922184610Salfred default: 1923184610Salfred goto tr_stalled; 1924184610Salfred } 1925184610Salfred break; 1926184610Salfred 1927184610Salfred case UT_WRITE_CLASS_OTHER: 1928191402Sthompsa switch (req->bRequest) { 1929184610Salfred case UR_CLEAR_FEATURE: 1930184610Salfred goto tr_handle_clear_port_feature; 1931184610Salfred case UR_SET_FEATURE: 1932184610Salfred goto tr_handle_set_port_feature; 1933184610Salfred case UR_CLEAR_TT_BUFFER: 1934184610Salfred case UR_RESET_TT: 1935184610Salfred case UR_STOP_TT: 1936184610Salfred goto tr_valid; 1937184610Salfred 1938184610Salfred default: 1939184610Salfred goto tr_stalled; 1940184610Salfred } 1941184610Salfred break; 1942184610Salfred 1943184610Salfred case UT_READ_CLASS_OTHER: 1944191402Sthompsa switch (req->bRequest) { 1945184610Salfred case UR_GET_TT_STATE: 1946184610Salfred goto tr_handle_get_tt_state; 1947184610Salfred case UR_GET_STATUS: 1948184610Salfred goto tr_handle_get_port_status; 1949184610Salfred default: 1950184610Salfred goto tr_stalled; 1951184610Salfred } 1952184610Salfred break; 1953184610Salfred 1954184610Salfred case UT_READ_CLASS_DEVICE: 1955191402Sthompsa switch (req->bRequest) { 1956184610Salfred case UR_GET_DESCRIPTOR: 1957184610Salfred goto tr_handle_get_class_descriptor; 1958184610Salfred case UR_GET_STATUS: 1959184610Salfred goto tr_handle_get_class_status; 1960184610Salfred 1961184610Salfred default: 1962184610Salfred goto tr_stalled; 1963184610Salfred } 1964184610Salfred break; 1965184610Salfred default: 1966184610Salfred goto tr_stalled; 1967184610Salfred } 1968184610Salfred goto tr_valid; 1969184610Salfred 1970184610Salfredtr_handle_get_descriptor: 1971184610Salfred switch (value >> 8) { 1972184610Salfred case UDESC_DEVICE: 1973184610Salfred if (value & 0xff) { 1974184610Salfred goto tr_stalled; 1975184610Salfred } 1976191402Sthompsa len = sizeof(uss820dci_devd); 1977191402Sthompsa ptr = (const void *)&uss820dci_devd; 1978184610Salfred goto tr_valid; 1979184610Salfred case UDESC_CONFIG: 1980184610Salfred if (value & 0xff) { 1981184610Salfred goto tr_stalled; 1982184610Salfred } 1983191402Sthompsa len = sizeof(uss820dci_confd); 1984191402Sthompsa ptr = (const void *)&uss820dci_confd; 1985184610Salfred goto tr_valid; 1986184610Salfred case UDESC_STRING: 1987184610Salfred switch (value & 0xff) { 1988184610Salfred case 0: /* Language table */ 1989191402Sthompsa len = sizeof(uss820dci_langtab); 1990191402Sthompsa ptr = (const void *)&uss820dci_langtab; 1991184610Salfred goto tr_valid; 1992184610Salfred 1993184610Salfred case 1: /* Vendor */ 1994191402Sthompsa len = sizeof(uss820dci_vendor); 1995191402Sthompsa ptr = (const void *)&uss820dci_vendor; 1996184610Salfred goto tr_valid; 1997184610Salfred 1998184610Salfred case 2: /* Product */ 1999191402Sthompsa len = sizeof(uss820dci_product); 2000191402Sthompsa ptr = (const void *)&uss820dci_product; 2001184610Salfred goto tr_valid; 2002184610Salfred default: 2003184610Salfred break; 2004184610Salfred } 2005184610Salfred break; 2006184610Salfred default: 2007184610Salfred goto tr_stalled; 2008184610Salfred } 2009184610Salfred goto tr_stalled; 2010184610Salfred 2011184610Salfredtr_handle_get_config: 2012191402Sthompsa len = 1; 2013184610Salfred sc->sc_hub_temp.wValue[0] = sc->sc_conf; 2014184610Salfred goto tr_valid; 2015184610Salfred 2016184610Salfredtr_handle_get_status: 2017191402Sthompsa len = 2; 2018184610Salfred USETW(sc->sc_hub_temp.wValue, UDS_SELF_POWERED); 2019184610Salfred goto tr_valid; 2020184610Salfred 2021184610Salfredtr_handle_set_address: 2022184610Salfred if (value & 0xFF00) { 2023184610Salfred goto tr_stalled; 2024184610Salfred } 2025184610Salfred sc->sc_rt_addr = value; 2026184610Salfred goto tr_valid; 2027184610Salfred 2028184610Salfredtr_handle_set_config: 2029184610Salfred if (value >= 2) { 2030184610Salfred goto tr_stalled; 2031184610Salfred } 2032184610Salfred sc->sc_conf = value; 2033184610Salfred goto tr_valid; 2034184610Salfred 2035184610Salfredtr_handle_get_interface: 2036191402Sthompsa len = 1; 2037184610Salfred sc->sc_hub_temp.wValue[0] = 0; 2038184610Salfred goto tr_valid; 2039184610Salfred 2040184610Salfredtr_handle_get_tt_state: 2041184610Salfredtr_handle_get_class_status: 2042184610Salfredtr_handle_get_iface_status: 2043184610Salfredtr_handle_get_ep_status: 2044191402Sthompsa len = 2; 2045184610Salfred USETW(sc->sc_hub_temp.wValue, 0); 2046184610Salfred goto tr_valid; 2047184610Salfred 2048184610Salfredtr_handle_set_halt: 2049184610Salfredtr_handle_set_interface: 2050184610Salfredtr_handle_set_wakeup: 2051184610Salfredtr_handle_clear_wakeup: 2052184610Salfredtr_handle_clear_halt: 2053184610Salfred goto tr_valid; 2054184610Salfred 2055184610Salfredtr_handle_clear_port_feature: 2056184610Salfred if (index != 1) { 2057184610Salfred goto tr_stalled; 2058184610Salfred } 2059184610Salfred DPRINTFN(9, "UR_CLEAR_PORT_FEATURE on port %d\n", index); 2060184610Salfred 2061184610Salfred switch (value) { 2062184610Salfred case UHF_PORT_SUSPEND: 2063184610Salfred uss820dci_wakeup_peer(sc); 2064184610Salfred break; 2065184610Salfred 2066184610Salfred case UHF_PORT_ENABLE: 2067184610Salfred sc->sc_flags.port_enabled = 0; 2068184610Salfred break; 2069184610Salfred 2070184610Salfred case UHF_PORT_TEST: 2071184610Salfred case UHF_PORT_INDICATOR: 2072184610Salfred case UHF_C_PORT_ENABLE: 2073184610Salfred case UHF_C_PORT_OVER_CURRENT: 2074184610Salfred case UHF_C_PORT_RESET: 2075184610Salfred /* nops */ 2076184610Salfred break; 2077184610Salfred case UHF_PORT_POWER: 2078184610Salfred sc->sc_flags.port_powered = 0; 2079184610Salfred uss820dci_pull_down(sc); 2080184610Salfred break; 2081184610Salfred case UHF_C_PORT_CONNECTION: 2082184610Salfred sc->sc_flags.change_connect = 0; 2083184610Salfred break; 2084184610Salfred case UHF_C_PORT_SUSPEND: 2085184610Salfred sc->sc_flags.change_suspend = 0; 2086184610Salfred break; 2087184610Salfred default: 2088191402Sthompsa err = USB_ERR_IOERROR; 2089184610Salfred goto done; 2090184610Salfred } 2091184610Salfred goto tr_valid; 2092184610Salfred 2093184610Salfredtr_handle_set_port_feature: 2094184610Salfred if (index != 1) { 2095184610Salfred goto tr_stalled; 2096184610Salfred } 2097184610Salfred DPRINTFN(9, "UR_SET_PORT_FEATURE\n"); 2098184610Salfred 2099184610Salfred switch (value) { 2100184610Salfred case UHF_PORT_ENABLE: 2101184610Salfred sc->sc_flags.port_enabled = 1; 2102184610Salfred break; 2103184610Salfred case UHF_PORT_SUSPEND: 2104184610Salfred case UHF_PORT_RESET: 2105184610Salfred case UHF_PORT_TEST: 2106184610Salfred case UHF_PORT_INDICATOR: 2107184610Salfred /* nops */ 2108184610Salfred break; 2109184610Salfred case UHF_PORT_POWER: 2110184610Salfred sc->sc_flags.port_powered = 1; 2111184610Salfred break; 2112184610Salfred default: 2113191402Sthompsa err = USB_ERR_IOERROR; 2114184610Salfred goto done; 2115184610Salfred } 2116184610Salfred goto tr_valid; 2117184610Salfred 2118184610Salfredtr_handle_get_port_status: 2119184610Salfred 2120184610Salfred DPRINTFN(9, "UR_GET_PORT_STATUS\n"); 2121184610Salfred 2122184610Salfred if (index != 1) { 2123184610Salfred goto tr_stalled; 2124184610Salfred } 2125184610Salfred if (sc->sc_flags.status_vbus) { 2126184610Salfred uss820dci_pull_up(sc); 2127184610Salfred } else { 2128184610Salfred uss820dci_pull_down(sc); 2129184610Salfred } 2130184610Salfred 2131184610Salfred /* Select FULL-speed and Device Side Mode */ 2132184610Salfred 2133184610Salfred value = UPS_PORT_MODE_DEVICE; 2134184610Salfred 2135184610Salfred if (sc->sc_flags.port_powered) { 2136184610Salfred value |= UPS_PORT_POWER; 2137184610Salfred } 2138184610Salfred if (sc->sc_flags.port_enabled) { 2139184610Salfred value |= UPS_PORT_ENABLED; 2140184610Salfred } 2141184610Salfred if (sc->sc_flags.status_vbus && 2142184610Salfred sc->sc_flags.status_bus_reset) { 2143184610Salfred value |= UPS_CURRENT_CONNECT_STATUS; 2144184610Salfred } 2145184610Salfred if (sc->sc_flags.status_suspend) { 2146184610Salfred value |= UPS_SUSPEND; 2147184610Salfred } 2148184610Salfred USETW(sc->sc_hub_temp.ps.wPortStatus, value); 2149184610Salfred 2150184610Salfred value = 0; 2151184610Salfred 2152184610Salfred if (sc->sc_flags.change_connect) { 2153184610Salfred value |= UPS_C_CONNECT_STATUS; 2154184610Salfred } 2155184610Salfred if (sc->sc_flags.change_suspend) { 2156184610Salfred value |= UPS_C_SUSPEND; 2157184610Salfred } 2158184610Salfred USETW(sc->sc_hub_temp.ps.wPortChange, value); 2159191402Sthompsa len = sizeof(sc->sc_hub_temp.ps); 2160184610Salfred goto tr_valid; 2161184610Salfred 2162184610Salfredtr_handle_get_class_descriptor: 2163184610Salfred if (value & 0xFF) { 2164184610Salfred goto tr_stalled; 2165184610Salfred } 2166191402Sthompsa ptr = (const void *)&uss820dci_hubd; 2167191402Sthompsa len = sizeof(uss820dci_hubd); 2168184610Salfred goto tr_valid; 2169184610Salfred 2170184610Salfredtr_stalled: 2171191402Sthompsa err = USB_ERR_STALLED; 2172184610Salfredtr_valid: 2173184610Salfreddone: 2174191402Sthompsa *plength = len; 2175191402Sthompsa *pptr = ptr; 2176191402Sthompsa return (err); 2177184610Salfred} 2178184610Salfred 2179184610Salfredstatic void 2180184610Salfreduss820dci_xfer_setup(struct usb2_setup_params *parm) 2181184610Salfred{ 2182184610Salfred const struct usb2_hw_ep_profile *pf; 2183184610Salfred struct uss820dci_softc *sc; 2184184610Salfred struct usb2_xfer *xfer; 2185184610Salfred void *last_obj; 2186184610Salfred uint32_t ntd; 2187184610Salfred uint32_t n; 2188184610Salfred uint8_t ep_no; 2189184610Salfred 2190184610Salfred sc = USS820_DCI_BUS2SC(parm->udev->bus); 2191184610Salfred xfer = parm->curr_xfer; 2192184610Salfred 2193184610Salfred /* 2194184610Salfred * NOTE: This driver does not use any of the parameters that 2195184610Salfred * are computed from the following values. Just set some 2196184610Salfred * reasonable dummies: 2197184610Salfred */ 2198184610Salfred parm->hc_max_packet_size = 0x500; 2199184610Salfred parm->hc_max_packet_count = 1; 2200184610Salfred parm->hc_max_frame_size = 0x500; 2201184610Salfred 2202184610Salfred usb2_transfer_setup_sub(parm); 2203184610Salfred 2204184610Salfred /* 2205184610Salfred * compute maximum number of TDs 2206184610Salfred */ 2207184610Salfred if (parm->methods == &uss820dci_device_ctrl_methods) { 2208184610Salfred 2209184610Salfred ntd = xfer->nframes + 1 /* STATUS */ + 1 /* SYNC */ ; 2210184610Salfred 2211184610Salfred } else if (parm->methods == &uss820dci_device_bulk_methods) { 2212184610Salfred 2213184610Salfred ntd = xfer->nframes + 1 /* SYNC */ ; 2214184610Salfred 2215184610Salfred } else if (parm->methods == &uss820dci_device_intr_methods) { 2216184610Salfred 2217184610Salfred ntd = xfer->nframes + 1 /* SYNC */ ; 2218184610Salfred 2219184610Salfred } else if (parm->methods == &uss820dci_device_isoc_fs_methods) { 2220184610Salfred 2221184610Salfred ntd = xfer->nframes + 1 /* SYNC */ ; 2222184610Salfred 2223184610Salfred } else { 2224184610Salfred 2225184610Salfred ntd = 0; 2226184610Salfred } 2227184610Salfred 2228184610Salfred /* 2229184610Salfred * check if "usb2_transfer_setup_sub" set an error 2230184610Salfred */ 2231184610Salfred if (parm->err) { 2232184610Salfred return; 2233184610Salfred } 2234184610Salfred /* 2235184610Salfred * allocate transfer descriptors 2236184610Salfred */ 2237184610Salfred last_obj = NULL; 2238184610Salfred 2239184610Salfred /* 2240184610Salfred * get profile stuff 2241184610Salfred */ 2242184610Salfred if (ntd) { 2243184610Salfred 2244184610Salfred ep_no = xfer->endpoint & UE_ADDR; 2245184610Salfred uss820dci_get_hw_ep_profile(parm->udev, &pf, ep_no); 2246184610Salfred 2247184610Salfred if (pf == NULL) { 2248184610Salfred /* should not happen */ 2249184610Salfred parm->err = USB_ERR_INVAL; 2250184610Salfred return; 2251184610Salfred } 2252184610Salfred } else { 2253184610Salfred ep_no = 0; 2254184610Salfred pf = NULL; 2255184610Salfred } 2256184610Salfred 2257184610Salfred /* align data */ 2258184610Salfred parm->size[0] += ((-parm->size[0]) & (USB_HOST_ALIGN - 1)); 2259184610Salfred 2260184610Salfred for (n = 0; n != ntd; n++) { 2261184610Salfred 2262184610Salfred struct uss820dci_td *td; 2263184610Salfred 2264184610Salfred if (parm->buf) { 2265184610Salfred 2266184610Salfred td = USB_ADD_BYTES(parm->buf, parm->size[0]); 2267184610Salfred 2268184610Salfred /* init TD */ 2269184610Salfred td->io_tag = sc->sc_io_tag; 2270184610Salfred td->io_hdl = sc->sc_io_hdl; 2271184610Salfred td->max_packet_size = xfer->max_packet_size; 2272184610Salfred td->ep_index = ep_no; 2273184610Salfred if (pf->support_multi_buffer && 2274184610Salfred (parm->methods != &uss820dci_device_ctrl_methods)) { 2275184610Salfred td->support_multi_buffer = 1; 2276184610Salfred } 2277184610Salfred td->obj_next = last_obj; 2278184610Salfred 2279184610Salfred last_obj = td; 2280184610Salfred } 2281184610Salfred parm->size[0] += sizeof(*td); 2282184610Salfred } 2283184610Salfred 2284184610Salfred xfer->td_start[0] = last_obj; 2285184610Salfred} 2286184610Salfred 2287184610Salfredstatic void 2288184610Salfreduss820dci_xfer_unsetup(struct usb2_xfer *xfer) 2289184610Salfred{ 2290184610Salfred return; 2291184610Salfred} 2292184610Salfred 2293184610Salfredstatic void 2294184610Salfreduss820dci_pipe_init(struct usb2_device *udev, struct usb2_endpoint_descriptor *edesc, 2295184610Salfred struct usb2_pipe *pipe) 2296184610Salfred{ 2297184610Salfred struct uss820dci_softc *sc = USS820_DCI_BUS2SC(udev->bus); 2298184610Salfred 2299184610Salfred DPRINTFN(2, "pipe=%p, addr=%d, endpt=%d, mode=%d (%d)\n", 2300184610Salfred pipe, udev->address, 2301184610Salfred edesc->bEndpointAddress, udev->flags.usb2_mode, 2302184610Salfred sc->sc_rt_addr); 2303184610Salfred 2304190735Sthompsa if (udev->device_index != sc->sc_rt_addr) { 2305184610Salfred 2306184610Salfred if (udev->flags.usb2_mode != USB_MODE_DEVICE) { 2307184610Salfred /* not supported */ 2308184610Salfred return; 2309184610Salfred } 2310184610Salfred if (udev->speed != USB_SPEED_FULL) { 2311184610Salfred /* not supported */ 2312184610Salfred return; 2313184610Salfred } 2314184610Salfred switch (edesc->bmAttributes & UE_XFERTYPE) { 2315184610Salfred case UE_CONTROL: 2316184610Salfred pipe->methods = &uss820dci_device_ctrl_methods; 2317184610Salfred break; 2318184610Salfred case UE_INTERRUPT: 2319184610Salfred pipe->methods = &uss820dci_device_intr_methods; 2320184610Salfred break; 2321184610Salfred case UE_ISOCHRONOUS: 2322184610Salfred pipe->methods = &uss820dci_device_isoc_fs_methods; 2323184610Salfred break; 2324184610Salfred case UE_BULK: 2325184610Salfred pipe->methods = &uss820dci_device_bulk_methods; 2326184610Salfred break; 2327184610Salfred default: 2328184610Salfred /* do nothing */ 2329184610Salfred break; 2330184610Salfred } 2331184610Salfred } 2332184610Salfred} 2333184610Salfred 2334184610Salfredstruct usb2_bus_methods uss820dci_bus_methods = 2335184610Salfred{ 2336184610Salfred .pipe_init = &uss820dci_pipe_init, 2337184610Salfred .xfer_setup = &uss820dci_xfer_setup, 2338184610Salfred .xfer_unsetup = &uss820dci_xfer_unsetup, 2339184610Salfred .get_hw_ep_profile = &uss820dci_get_hw_ep_profile, 2340184610Salfred .set_stall = &uss820dci_set_stall, 2341184610Salfred .clear_stall = &uss820dci_clear_stall, 2342190735Sthompsa .roothub_exec = &uss820dci_roothub_exec, 2343184610Salfred}; 2344