uss820dci.c revision 190735
1184610Salfred/* $FreeBSD: head/sys/dev/usb/controller/uss820dci.c 190735 2009-04-05 18:20:49Z 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 * 32184610Salfred * 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_sw_transfer.h> 47188942Sthompsa#include <dev/usb/usb_transfer.h> 48188942Sthompsa#include <dev/usb/usb_device.h> 49188942Sthompsa#include <dev/usb/usb_hub.h> 50188942Sthompsa#include <dev/usb/usb_util.h> 51184610Salfred 52188942Sthompsa#include <dev/usb/usb_controller.h> 53188942Sthompsa#include <dev/usb/usb_bus.h> 54188942Sthompsa#include <dev/usb/controller/uss820dci.h> 55184610Salfred 56184610Salfred#define USS820_DCI_BUS2SC(bus) \ 57184610Salfred ((struct uss820dci_softc *)(((uint8_t *)(bus)) - \ 58190181Sthompsa ((uint8_t *)&(((struct uss820dci_softc *)0)->sc_bus)))) 59184610Salfred 60184610Salfred#define USS820_DCI_PC2SC(pc) \ 61190180Sthompsa USS820_DCI_BUS2SC(USB_DMATAG_TO_XROOT((pc)->tag_parent)->bus) 62184610Salfred 63184610Salfred#if USB_DEBUG 64184610Salfredstatic int uss820dcidebug = 0; 65184610Salfred 66184610SalfredSYSCTL_NODE(_hw_usb2, OID_AUTO, uss820dci, CTLFLAG_RW, 0, "USB uss820dci"); 67184610SalfredSYSCTL_INT(_hw_usb2_uss820dci, OID_AUTO, debug, CTLFLAG_RW, 68184610Salfred &uss820dcidebug, 0, "uss820dci debug level"); 69184610Salfred#endif 70184610Salfred 71184610Salfred#define USS820_DCI_INTR_ENDPT 1 72184610Salfred 73184610Salfred/* prototypes */ 74184610Salfred 75184610Salfredstruct usb2_bus_methods uss820dci_bus_methods; 76184610Salfredstruct usb2_pipe_methods uss820dci_device_bulk_methods; 77184610Salfredstruct usb2_pipe_methods uss820dci_device_ctrl_methods; 78184610Salfredstruct usb2_pipe_methods uss820dci_device_intr_methods; 79184610Salfredstruct usb2_pipe_methods uss820dci_device_isoc_fs_methods; 80184610Salfred 81184610Salfredstatic uss820dci_cmd_t uss820dci_setup_rx; 82184610Salfredstatic uss820dci_cmd_t uss820dci_data_rx; 83184610Salfredstatic uss820dci_cmd_t uss820dci_data_tx; 84184610Salfredstatic uss820dci_cmd_t uss820dci_data_tx_sync; 85185948Sthompsastatic void uss820dci_device_done(struct usb2_xfer *, usb2_error_t); 86185948Sthompsastatic void uss820dci_do_poll(struct usb2_bus *); 87185948Sthompsastatic void uss820dci_standard_done(struct usb2_xfer *); 88185948Sthompsastatic void uss820dci_intr_set(struct usb2_xfer *, uint8_t); 89185948Sthompsastatic void uss820dci_update_shared_1(struct uss820dci_softc *, uint8_t, 90185948Sthompsa uint8_t, uint8_t); 91190735Sthompsastatic void uss820dci_root_intr(struct uss820dci_softc *); 92184610Salfred 93184610Salfred/* 94184610Salfred * Here is a list of what the USS820D chip can support. The main 95184610Salfred * limitation is that the sum of the buffer sizes must be less than 96184610Salfred * 1120 bytes. 97184610Salfred */ 98184610Salfredstatic const struct usb2_hw_ep_profile 99184610Salfred uss820dci_ep_profile[] = { 100184610Salfred 101184610Salfred [0] = { 102184610Salfred .max_in_frame_size = 32, 103184610Salfred .max_out_frame_size = 32, 104184610Salfred .is_simplex = 0, 105184610Salfred .support_control = 1, 106184610Salfred }, 107184610Salfred [1] = { 108184610Salfred .max_in_frame_size = 64, 109184610Salfred .max_out_frame_size = 64, 110184610Salfred .is_simplex = 0, 111184610Salfred .support_multi_buffer = 1, 112184610Salfred .support_bulk = 1, 113184610Salfred .support_interrupt = 1, 114184610Salfred .support_in = 1, 115184610Salfred .support_out = 1, 116184610Salfred }, 117184610Salfred [2] = { 118184610Salfred .max_in_frame_size = 8, 119184610Salfred .max_out_frame_size = 8, 120184610Salfred .is_simplex = 0, 121184610Salfred .support_multi_buffer = 1, 122184610Salfred .support_bulk = 1, 123184610Salfred .support_interrupt = 1, 124184610Salfred .support_in = 1, 125184610Salfred .support_out = 1, 126184610Salfred }, 127184610Salfred [3] = { 128184610Salfred .max_in_frame_size = 256, 129184610Salfred .max_out_frame_size = 256, 130184610Salfred .is_simplex = 0, 131184610Salfred .support_multi_buffer = 1, 132184610Salfred .support_isochronous = 1, 133184610Salfred .support_in = 1, 134184610Salfred .support_out = 1, 135184610Salfred }, 136184610Salfred}; 137184610Salfred 138184610Salfredstatic void 139184610Salfreduss820dci_update_shared_1(struct uss820dci_softc *sc, uint8_t reg, 140184610Salfred uint8_t keep_mask, uint8_t set_mask) 141184610Salfred{ 142184610Salfred uint8_t temp; 143184610Salfred 144184610Salfred USS820_WRITE_1(sc, USS820_PEND, 1); 145184610Salfred temp = USS820_READ_1(sc, reg); 146184610Salfred temp &= (keep_mask); 147184610Salfred temp |= (set_mask); 148184610Salfred USS820_WRITE_1(sc, reg, temp); 149184610Salfred USS820_WRITE_1(sc, USS820_PEND, 0); 150184610Salfred} 151184610Salfred 152184610Salfredstatic void 153184610Salfreduss820dci_get_hw_ep_profile(struct usb2_device *udev, 154184610Salfred const struct usb2_hw_ep_profile **ppf, uint8_t ep_addr) 155184610Salfred{ 156184610Salfred if (ep_addr == 0) { 157184610Salfred *ppf = uss820dci_ep_profile + 0; 158184610Salfred } else if (ep_addr < 5) { 159184610Salfred *ppf = uss820dci_ep_profile + 1; 160184610Salfred } else if (ep_addr < 7) { 161184610Salfred *ppf = uss820dci_ep_profile + 2; 162184610Salfred } else if (ep_addr == 7) { 163184610Salfred *ppf = uss820dci_ep_profile + 3; 164184610Salfred } else { 165184610Salfred *ppf = NULL; 166184610Salfred } 167184610Salfred} 168184610Salfred 169184610Salfredstatic void 170184610Salfreduss820dci_pull_up(struct uss820dci_softc *sc) 171184610Salfred{ 172184610Salfred uint8_t temp; 173184610Salfred 174184610Salfred /* pullup D+, if possible */ 175184610Salfred 176184610Salfred if (!sc->sc_flags.d_pulled_up && 177184610Salfred sc->sc_flags.port_powered) { 178184610Salfred sc->sc_flags.d_pulled_up = 1; 179184610Salfred 180184610Salfred DPRINTF("\n"); 181184610Salfred 182184610Salfred temp = USS820_READ_1(sc, USS820_MCSR); 183184610Salfred temp |= USS820_MCSR_DPEN; 184184610Salfred USS820_WRITE_1(sc, USS820_MCSR, temp); 185184610Salfred } 186184610Salfred} 187184610Salfred 188184610Salfredstatic void 189184610Salfreduss820dci_pull_down(struct uss820dci_softc *sc) 190184610Salfred{ 191184610Salfred uint8_t temp; 192184610Salfred 193184610Salfred /* pulldown D+, if possible */ 194184610Salfred 195184610Salfred if (sc->sc_flags.d_pulled_up) { 196184610Salfred sc->sc_flags.d_pulled_up = 0; 197184610Salfred 198184610Salfred DPRINTF("\n"); 199184610Salfred 200184610Salfred temp = USS820_READ_1(sc, USS820_MCSR); 201184610Salfred temp &= ~USS820_MCSR_DPEN; 202184610Salfred USS820_WRITE_1(sc, USS820_MCSR, temp); 203184610Salfred } 204184610Salfred} 205184610Salfred 206184610Salfredstatic void 207184610Salfreduss820dci_wakeup_peer(struct uss820dci_softc *sc) 208184610Salfred{ 209184610Salfred if (!(sc->sc_flags.status_suspend)) { 210184610Salfred return; 211184610Salfred } 212184610Salfred DPRINTFN(0, "not supported\n"); 213184610Salfred} 214184610Salfred 215184610Salfredstatic void 216184610Salfreduss820dci_set_address(struct uss820dci_softc *sc, uint8_t addr) 217184610Salfred{ 218184610Salfred DPRINTFN(5, "addr=%d\n", addr); 219184610Salfred 220184610Salfred USS820_WRITE_1(sc, USS820_FADDR, addr); 221184610Salfred} 222184610Salfred 223184610Salfredstatic uint8_t 224184610Salfreduss820dci_setup_rx(struct uss820dci_td *td) 225184610Salfred{ 226184610Salfred struct uss820dci_softc *sc; 227184610Salfred struct usb2_device_request req; 228184610Salfred uint16_t count; 229184610Salfred uint8_t rx_stat; 230184610Salfred uint8_t temp; 231184610Salfred 232184610Salfred /* select the correct endpoint */ 233184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 234184610Salfred td->ep_reg, td->ep_index); 235184610Salfred 236184610Salfred /* read out FIFO status */ 237184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 238184610Salfred td->rx_stat_reg); 239184610Salfred 240184610Salfred /* get pointer to softc */ 241184610Salfred sc = USS820_DCI_PC2SC(td->pc); 242184610Salfred 243184610Salfred DPRINTFN(5, "rx_stat=0x%02x rem=%u\n", rx_stat, td->remainder); 244184610Salfred 245184610Salfred if (!(rx_stat & USS820_RXSTAT_RXSETUP)) { 246184610Salfred goto not_complete; 247184610Salfred } 248190721Sthompsa /* clear did stall */ 249190721Sthompsa td->did_stall = 0; 250190721Sthompsa 251184610Salfred /* clear stall and all I/O */ 252184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, 253184610Salfred 0xFF ^ (USS820_EPCON_TXSTL | 254184610Salfred USS820_EPCON_RXSTL | 255184610Salfred USS820_EPCON_RXIE | 256184610Salfred USS820_EPCON_TXOE), 0); 257184610Salfred 258184610Salfred /* clear end overwrite flag */ 259184610Salfred uss820dci_update_shared_1(sc, USS820_RXSTAT, 260184610Salfred 0xFF ^ USS820_RXSTAT_EDOVW, 0); 261184610Salfred 262184610Salfred /* get the packet byte count */ 263184610Salfred count = bus_space_read_1(td->io_tag, td->io_hdl, 264184610Salfred td->rx_count_low_reg); 265184610Salfred count |= (bus_space_read_1(td->io_tag, td->io_hdl, 266184610Salfred td->rx_count_high_reg) << 8); 267184610Salfred count &= 0x3FF; 268184610Salfred 269184610Salfred /* verify data length */ 270184610Salfred if (count != td->remainder) { 271184610Salfred DPRINTFN(0, "Invalid SETUP packet " 272184610Salfred "length, %d bytes\n", count); 273190722Sthompsa goto setup_not_complete; 274184610Salfred } 275184610Salfred if (count != sizeof(req)) { 276184610Salfred DPRINTFN(0, "Unsupported SETUP packet " 277184610Salfred "length, %d bytes\n", count); 278190722Sthompsa goto setup_not_complete; 279184610Salfred } 280184610Salfred /* receive data */ 281184610Salfred bus_space_read_multi_1(td->io_tag, td->io_hdl, 282184610Salfred td->rx_fifo_reg, (void *)&req, sizeof(req)); 283184610Salfred 284184610Salfred /* read out FIFO status */ 285184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 286184610Salfred td->rx_stat_reg); 287184610Salfred 288184610Salfred if (rx_stat & (USS820_RXSTAT_EDOVW | 289184610Salfred USS820_RXSTAT_STOVW)) { 290184610Salfred DPRINTF("new SETUP packet received\n"); 291184610Salfred return (1); /* not complete */ 292184610Salfred } 293184610Salfred /* clear receive setup bit */ 294184610Salfred uss820dci_update_shared_1(sc, USS820_RXSTAT, 295184610Salfred 0xFF ^ (USS820_RXSTAT_RXSETUP | 296184610Salfred USS820_RXSTAT_EDOVW | 297184610Salfred USS820_RXSTAT_STOVW), 0); 298184610Salfred 299184610Salfred /* set RXFFRC bit */ 300184610Salfred temp = bus_space_read_1(td->io_tag, td->io_hdl, 301184610Salfred td->rx_cntl_reg); 302184610Salfred temp |= USS820_RXCON_RXFFRC; 303184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 304184610Salfred td->rx_cntl_reg, temp); 305184610Salfred 306184610Salfred /* copy data into real buffer */ 307184610Salfred usb2_copy_in(td->pc, 0, &req, sizeof(req)); 308184610Salfred 309184610Salfred td->offset = sizeof(req); 310184610Salfred td->remainder = 0; 311184610Salfred 312184610Salfred /* sneak peek the set address */ 313184610Salfred if ((req.bmRequestType == UT_WRITE_DEVICE) && 314184610Salfred (req.bRequest == UR_SET_ADDRESS)) { 315184610Salfred sc->sc_dv_addr = req.wValue[0] & 0x7F; 316184610Salfred } else { 317184610Salfred sc->sc_dv_addr = 0xFF; 318184610Salfred } 319184610Salfred return (0); /* complete */ 320184610Salfred 321190722Sthompsasetup_not_complete: 322190722Sthompsa 323190722Sthompsa /* set RXFFRC bit */ 324190722Sthompsa temp = bus_space_read_1(td->io_tag, td->io_hdl, 325190722Sthompsa td->rx_cntl_reg); 326190722Sthompsa temp |= USS820_RXCON_RXFFRC; 327190722Sthompsa bus_space_write_1(td->io_tag, td->io_hdl, 328190722Sthompsa td->rx_cntl_reg, temp); 329190722Sthompsa 330190722Sthompsa /* FALLTHROUGH */ 331190722Sthompsa 332184610Salfrednot_complete: 333190721Sthompsa /* abort any ongoing transfer */ 334190721Sthompsa if (!td->did_stall) { 335190721Sthompsa DPRINTFN(5, "stalling\n"); 336190721Sthompsa /* set stall */ 337190721Sthompsa uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, 338190721Sthompsa (USS820_EPCON_TXSTL | USS820_EPCON_RXSTL)); 339190721Sthompsa 340190721Sthompsa td->did_stall = 1; 341190721Sthompsa } 342190721Sthompsa 343184610Salfred /* clear end overwrite flag, if any */ 344184610Salfred if (rx_stat & USS820_RXSTAT_RXSETUP) { 345184610Salfred uss820dci_update_shared_1(sc, USS820_RXSTAT, 346184610Salfred 0xFF ^ (USS820_RXSTAT_EDOVW | 347184610Salfred USS820_RXSTAT_STOVW | 348184610Salfred USS820_RXSTAT_RXSETUP), 0); 349184610Salfred } 350184610Salfred return (1); /* not complete */ 351184610Salfred 352184610Salfred} 353184610Salfred 354184610Salfredstatic uint8_t 355184610Salfreduss820dci_data_rx(struct uss820dci_td *td) 356184610Salfred{ 357184610Salfred struct usb2_page_search buf_res; 358184610Salfred uint16_t count; 359184610Salfred uint8_t rx_flag; 360184610Salfred uint8_t rx_stat; 361184610Salfred uint8_t rx_cntl; 362184610Salfred uint8_t to; 363184610Salfred uint8_t got_short; 364184610Salfred 365184610Salfred to = 2; /* don't loop forever! */ 366184610Salfred got_short = 0; 367184610Salfred 368184610Salfred /* select the correct endpoint */ 369184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, td->ep_reg, td->ep_index); 370184610Salfred 371184610Salfred /* check if any of the FIFO banks have data */ 372184610Salfredrepeat: 373184610Salfred /* read out FIFO flag */ 374184610Salfred rx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 375184610Salfred td->rx_flag_reg); 376184610Salfred /* read out FIFO status */ 377184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 378184610Salfred td->rx_stat_reg); 379184610Salfred 380184610Salfred DPRINTFN(5, "rx_stat=0x%02x rx_flag=0x%02x rem=%u\n", 381184610Salfred rx_stat, rx_flag, td->remainder); 382184610Salfred 383184610Salfred if (rx_stat & (USS820_RXSTAT_RXSETUP | 384184610Salfred USS820_RXSTAT_RXSOVW | 385184610Salfred USS820_RXSTAT_EDOVW)) { 386184610Salfred if (td->remainder == 0) { 387184610Salfred /* 388184610Salfred * We are actually complete and have 389184610Salfred * received the next SETUP 390184610Salfred */ 391184610Salfred DPRINTFN(5, "faking complete\n"); 392184610Salfred return (0); /* complete */ 393184610Salfred } 394184610Salfred /* 395184610Salfred * USB Host Aborted the transfer. 396184610Salfred */ 397184610Salfred td->error = 1; 398184610Salfred return (0); /* complete */ 399184610Salfred } 400184610Salfred /* check for errors */ 401184610Salfred if (rx_flag & (USS820_RXFLG_RXOVF | 402184610Salfred USS820_RXFLG_RXURF)) { 403184610Salfred DPRINTFN(5, "overflow or underflow\n"); 404184610Salfred /* should not happen */ 405184610Salfred td->error = 1; 406184610Salfred return (0); /* complete */ 407184610Salfred } 408184610Salfred /* check status */ 409184610Salfred if (!(rx_flag & (USS820_RXFLG_RXFIF0 | 410184610Salfred USS820_RXFLG_RXFIF1))) { 411184610Salfred 412184610Salfred /* read out EPCON register */ 413184610Salfred /* enable RX input */ 414184610Salfred if (!td->did_stall) { 415184610Salfred uss820dci_update_shared_1(USS820_DCI_PC2SC(td->pc), 416184610Salfred USS820_EPCON, 0xFF, USS820_EPCON_RXIE); 417184610Salfred td->did_stall = 1; 418184610Salfred } 419184610Salfred return (1); /* not complete */ 420184610Salfred } 421184610Salfred /* get the packet byte count */ 422184610Salfred count = bus_space_read_1(td->io_tag, td->io_hdl, 423184610Salfred td->rx_count_low_reg); 424184610Salfred 425184610Salfred count |= (bus_space_read_1(td->io_tag, td->io_hdl, 426184610Salfred td->rx_count_high_reg) << 8); 427184610Salfred count &= 0x3FF; 428184610Salfred 429184610Salfred DPRINTFN(5, "count=0x%04x\n", count); 430184610Salfred 431184610Salfred /* verify the packet byte count */ 432184610Salfred if (count != td->max_packet_size) { 433184610Salfred if (count < td->max_packet_size) { 434184610Salfred /* we have a short packet */ 435184610Salfred td->short_pkt = 1; 436184610Salfred got_short = 1; 437184610Salfred } else { 438184610Salfred /* invalid USB packet */ 439184610Salfred td->error = 1; 440184610Salfred return (0); /* we are complete */ 441184610Salfred } 442184610Salfred } 443184610Salfred /* verify the packet byte count */ 444184610Salfred if (count > td->remainder) { 445184610Salfred /* invalid USB packet */ 446184610Salfred td->error = 1; 447184610Salfred return (0); /* we are complete */ 448184610Salfred } 449184610Salfred while (count > 0) { 450184610Salfred usb2_get_page(td->pc, td->offset, &buf_res); 451184610Salfred 452184610Salfred /* get correct length */ 453184610Salfred if (buf_res.length > count) { 454184610Salfred buf_res.length = count; 455184610Salfred } 456184610Salfred /* receive data */ 457184610Salfred bus_space_read_multi_1(td->io_tag, td->io_hdl, 458184610Salfred td->rx_fifo_reg, buf_res.buffer, buf_res.length); 459184610Salfred 460184610Salfred /* update counters */ 461184610Salfred count -= buf_res.length; 462184610Salfred td->offset += buf_res.length; 463184610Salfred td->remainder -= buf_res.length; 464184610Salfred } 465184610Salfred 466184610Salfred /* set RXFFRC bit */ 467184610Salfred rx_cntl = bus_space_read_1(td->io_tag, td->io_hdl, 468184610Salfred td->rx_cntl_reg); 469184610Salfred rx_cntl |= USS820_RXCON_RXFFRC; 470184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 471184610Salfred td->rx_cntl_reg, rx_cntl); 472184610Salfred 473184610Salfred /* check if we are complete */ 474184610Salfred if ((td->remainder == 0) || got_short) { 475184610Salfred if (td->short_pkt) { 476184610Salfred /* we are complete */ 477184610Salfred return (0); 478184610Salfred } 479184610Salfred /* else need to receive a zero length packet */ 480184610Salfred } 481184610Salfred if (--to) { 482184610Salfred goto repeat; 483184610Salfred } 484184610Salfred return (1); /* not complete */ 485184610Salfred} 486184610Salfred 487184610Salfredstatic uint8_t 488184610Salfreduss820dci_data_tx(struct uss820dci_td *td) 489184610Salfred{ 490184610Salfred struct usb2_page_search buf_res; 491184610Salfred uint16_t count; 492184610Salfred uint16_t count_copy; 493184610Salfred uint8_t rx_stat; 494184610Salfred uint8_t tx_flag; 495184610Salfred uint8_t to; 496184610Salfred 497184610Salfred /* select the correct endpoint */ 498184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 499184610Salfred td->ep_reg, td->ep_index); 500184610Salfred 501184610Salfred to = 2; /* don't loop forever! */ 502184610Salfred 503184610Salfredrepeat: 504184610Salfred /* read out TX FIFO flags */ 505184610Salfred tx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 506184610Salfred td->tx_flag_reg); 507184610Salfred 508184610Salfred /* read out RX FIFO status last */ 509184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 510184610Salfred td->rx_stat_reg); 511184610Salfred 512184610Salfred DPRINTFN(5, "rx_stat=0x%02x tx_flag=0x%02x rem=%u\n", 513184610Salfred rx_stat, tx_flag, td->remainder); 514184610Salfred 515184610Salfred if (rx_stat & (USS820_RXSTAT_RXSETUP | 516184610Salfred USS820_RXSTAT_RXSOVW | 517184610Salfred USS820_RXSTAT_EDOVW)) { 518184610Salfred /* 519184610Salfred * The current transfer was aborted 520184610Salfred * by the USB Host 521184610Salfred */ 522184610Salfred td->error = 1; 523184610Salfred return (0); /* complete */ 524184610Salfred } 525184610Salfred if (tx_flag & (USS820_TXFLG_TXOVF | 526184610Salfred USS820_TXFLG_TXURF)) { 527184610Salfred td->error = 1; 528184610Salfred return (0); /* complete */ 529184610Salfred } 530184610Salfred if (tx_flag & USS820_TXFLG_TXFIF0) { 531184610Salfred if (tx_flag & USS820_TXFLG_TXFIF1) { 532184610Salfred return (1); /* not complete */ 533184610Salfred } 534184610Salfred } 535184610Salfred if ((!td->support_multi_buffer) && 536184610Salfred (tx_flag & (USS820_TXFLG_TXFIF0 | 537184610Salfred USS820_TXFLG_TXFIF1))) { 538184610Salfred return (1); /* not complete */ 539184610Salfred } 540184610Salfred count = td->max_packet_size; 541184610Salfred if (td->remainder < count) { 542184610Salfred /* we have a short packet */ 543184610Salfred td->short_pkt = 1; 544184610Salfred count = td->remainder; 545184610Salfred } 546184610Salfred count_copy = count; 547184610Salfred while (count > 0) { 548184610Salfred 549184610Salfred usb2_get_page(td->pc, td->offset, &buf_res); 550184610Salfred 551184610Salfred /* get correct length */ 552184610Salfred if (buf_res.length > count) { 553184610Salfred buf_res.length = count; 554184610Salfred } 555184610Salfred /* transmit data */ 556184610Salfred bus_space_write_multi_1(td->io_tag, td->io_hdl, 557184610Salfred td->tx_fifo_reg, buf_res.buffer, buf_res.length); 558184610Salfred 559184610Salfred /* update counters */ 560184610Salfred count -= buf_res.length; 561184610Salfred td->offset += buf_res.length; 562184610Salfred td->remainder -= buf_res.length; 563184610Salfred } 564184610Salfred 565184610Salfred /* post-write high packet byte count first */ 566184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 567184610Salfred td->tx_count_high_reg, count_copy >> 8); 568184610Salfred 569184610Salfred /* post-write low packet byte count last */ 570184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 571184610Salfred td->tx_count_low_reg, count_copy); 572184610Salfred 573184610Salfred /* 574184610Salfred * Enable TX output, which must happen after that we have written 575184610Salfred * data into the FIFO. This is undocumented. 576184610Salfred */ 577184610Salfred if (!td->did_stall) { 578184610Salfred uss820dci_update_shared_1(USS820_DCI_PC2SC(td->pc), 579184610Salfred USS820_EPCON, 0xFF, USS820_EPCON_TXOE); 580184610Salfred td->did_stall = 1; 581184610Salfred } 582184610Salfred /* check remainder */ 583184610Salfred if (td->remainder == 0) { 584184610Salfred if (td->short_pkt) { 585184610Salfred return (0); /* complete */ 586184610Salfred } 587184610Salfred /* else we need to transmit a short packet */ 588184610Salfred } 589184610Salfred if (--to) { 590184610Salfred goto repeat; 591184610Salfred } 592184610Salfred return (1); /* not complete */ 593184610Salfred} 594184610Salfred 595184610Salfredstatic uint8_t 596184610Salfreduss820dci_data_tx_sync(struct uss820dci_td *td) 597184610Salfred{ 598184610Salfred struct uss820dci_softc *sc; 599184610Salfred uint8_t rx_stat; 600184610Salfred uint8_t tx_flag; 601184610Salfred 602184610Salfred /* select the correct endpoint */ 603184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 604184610Salfred td->ep_reg, td->ep_index); 605184610Salfred 606184610Salfred /* read out TX FIFO flag */ 607184610Salfred tx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 608184610Salfred td->tx_flag_reg); 609184610Salfred 610184610Salfred /* read out RX FIFO status last */ 611184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 612184610Salfred td->rx_stat_reg); 613184610Salfred 614184610Salfred DPRINTFN(5, "rx_stat=0x%02x rem=%u\n", rx_stat, td->remainder); 615184610Salfred 616184610Salfred if (rx_stat & (USS820_RXSTAT_RXSETUP | 617184610Salfred USS820_RXSTAT_RXSOVW | 618184610Salfred USS820_RXSTAT_EDOVW)) { 619184610Salfred DPRINTFN(5, "faking complete\n"); 620184610Salfred /* Race condition */ 621184610Salfred return (0); /* complete */ 622184610Salfred } 623184610Salfred DPRINTFN(5, "tx_flag=0x%02x rem=%u\n", 624184610Salfred tx_flag, td->remainder); 625184610Salfred 626184610Salfred if (tx_flag & (USS820_TXFLG_TXOVF | 627184610Salfred USS820_TXFLG_TXURF)) { 628184610Salfred td->error = 1; 629184610Salfred return (0); /* complete */ 630184610Salfred } 631184610Salfred if (tx_flag & (USS820_TXFLG_TXFIF0 | 632184610Salfred USS820_TXFLG_TXFIF1)) { 633184610Salfred return (1); /* not complete */ 634184610Salfred } 635184610Salfred sc = USS820_DCI_PC2SC(td->pc); 636184610Salfred if (sc->sc_dv_addr != 0xFF) { 637184610Salfred /* write function address */ 638184610Salfred uss820dci_set_address(sc, sc->sc_dv_addr); 639184610Salfred } 640184610Salfred return (0); /* complete */ 641184610Salfred} 642184610Salfred 643184610Salfredstatic uint8_t 644184610Salfreduss820dci_xfer_do_fifo(struct usb2_xfer *xfer) 645184610Salfred{ 646184610Salfred struct uss820dci_td *td; 647184610Salfred 648184610Salfred DPRINTFN(9, "\n"); 649184610Salfred 650184610Salfred td = xfer->td_transfer_cache; 651184610Salfred while (1) { 652184610Salfred if ((td->func) (td)) { 653184610Salfred /* operation in progress */ 654184610Salfred break; 655184610Salfred } 656184610Salfred if (((void *)td) == xfer->td_transfer_last) { 657184610Salfred goto done; 658184610Salfred } 659184610Salfred if (td->error) { 660184610Salfred goto done; 661184610Salfred } else if (td->remainder > 0) { 662184610Salfred /* 663184610Salfred * We had a short transfer. If there is no alternate 664184610Salfred * next, stop processing ! 665184610Salfred */ 666184610Salfred if (!td->alt_next) { 667184610Salfred goto done; 668184610Salfred } 669184610Salfred } 670184610Salfred /* 671184610Salfred * Fetch the next transfer descriptor. 672184610Salfred */ 673184610Salfred td = td->obj_next; 674184610Salfred xfer->td_transfer_cache = td; 675184610Salfred } 676184610Salfred return (1); /* not complete */ 677184610Salfred 678184610Salfreddone: 679184610Salfred /* compute all actual lengths */ 680184610Salfred 681184610Salfred uss820dci_standard_done(xfer); 682184610Salfred 683184610Salfred return (0); /* complete */ 684184610Salfred} 685184610Salfred 686184610Salfredstatic void 687184610Salfreduss820dci_interrupt_poll(struct uss820dci_softc *sc) 688184610Salfred{ 689184610Salfred struct usb2_xfer *xfer; 690184610Salfred 691184610Salfredrepeat: 692184610Salfred TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { 693184610Salfred if (!uss820dci_xfer_do_fifo(xfer)) { 694184610Salfred /* queue has been modified */ 695184610Salfred goto repeat; 696184610Salfred } 697184610Salfred } 698184610Salfred} 699184610Salfred 700184610Salfredstatic void 701184610Salfreduss820dci_wait_suspend(struct uss820dci_softc *sc, uint8_t on) 702184610Salfred{ 703184610Salfred uint8_t scr; 704184610Salfred uint8_t scratch; 705184610Salfred 706184610Salfred scr = USS820_READ_1(sc, USS820_SCR); 707184610Salfred scratch = USS820_READ_1(sc, USS820_SCRATCH); 708184610Salfred 709184610Salfred if (on) { 710184610Salfred scr |= USS820_SCR_IE_SUSP; 711184610Salfred scratch &= ~USS820_SCRATCH_IE_RESUME; 712184610Salfred } else { 713184610Salfred scr &= ~USS820_SCR_IE_SUSP; 714184610Salfred scratch |= USS820_SCRATCH_IE_RESUME; 715184610Salfred } 716184610Salfred 717184610Salfred USS820_WRITE_1(sc, USS820_SCR, scr); 718184610Salfred USS820_WRITE_1(sc, USS820_SCRATCH, scratch); 719184610Salfred} 720184610Salfred 721184610Salfredvoid 722184610Salfreduss820dci_interrupt(struct uss820dci_softc *sc) 723184610Salfred{ 724184610Salfred uint8_t ssr; 725184610Salfred uint8_t event; 726184610Salfred 727184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 728184610Salfred 729184610Salfred ssr = USS820_READ_1(sc, USS820_SSR); 730184610Salfred 731184610Salfred ssr &= (USS820_SSR_SUSPEND | 732184610Salfred USS820_SSR_RESUME | 733184610Salfred USS820_SSR_RESET); 734184610Salfred 735184610Salfred /* acknowledge all interrupts */ 736184610Salfred 737184610Salfred uss820dci_update_shared_1(sc, USS820_SSR, 0, 0); 738184610Salfred 739184610Salfred /* check for any bus state change interrupts */ 740184610Salfred 741184610Salfred if (ssr) { 742184610Salfred 743184610Salfred event = 0; 744184610Salfred 745184610Salfred if (ssr & USS820_SSR_RESET) { 746184610Salfred sc->sc_flags.status_bus_reset = 1; 747184610Salfred sc->sc_flags.status_suspend = 0; 748184610Salfred sc->sc_flags.change_suspend = 0; 749184610Salfred sc->sc_flags.change_connect = 1; 750184610Salfred 751184610Salfred /* disable resume interrupt */ 752184610Salfred uss820dci_wait_suspend(sc, 1); 753184610Salfred 754184610Salfred event = 1; 755184610Salfred } 756184610Salfred /* 757184610Salfred * If "RESUME" and "SUSPEND" is set at the same time 758184610Salfred * we interpret that like "RESUME". Resume is set when 759184610Salfred * there is at least 3 milliseconds of inactivity on 760184610Salfred * the USB BUS. 761184610Salfred */ 762184610Salfred if (ssr & USS820_SSR_RESUME) { 763184610Salfred if (sc->sc_flags.status_suspend) { 764184610Salfred sc->sc_flags.status_suspend = 0; 765184610Salfred sc->sc_flags.change_suspend = 1; 766184610Salfred /* disable resume interrupt */ 767184610Salfred uss820dci_wait_suspend(sc, 1); 768184610Salfred event = 1; 769184610Salfred } 770184610Salfred } else if (ssr & USS820_SSR_SUSPEND) { 771184610Salfred if (!sc->sc_flags.status_suspend) { 772184610Salfred sc->sc_flags.status_suspend = 1; 773184610Salfred sc->sc_flags.change_suspend = 1; 774184610Salfred /* enable resume interrupt */ 775184610Salfred uss820dci_wait_suspend(sc, 0); 776184610Salfred event = 1; 777184610Salfred } 778184610Salfred } 779184610Salfred if (event) { 780184610Salfred 781184610Salfred DPRINTF("real bus interrupt 0x%02x\n", ssr); 782184610Salfred 783184610Salfred /* complete root HUB interrupt endpoint */ 784190735Sthompsa uss820dci_root_intr(sc); 785184610Salfred } 786184610Salfred } 787184610Salfred /* acknowledge all SBI interrupts */ 788184610Salfred uss820dci_update_shared_1(sc, USS820_SBI, 0, 0); 789184610Salfred 790184610Salfred /* acknowledge all SBI1 interrupts */ 791184610Salfred uss820dci_update_shared_1(sc, USS820_SBI1, 0, 0); 792184610Salfred 793184610Salfred /* poll all active transfers */ 794184610Salfred uss820dci_interrupt_poll(sc); 795184610Salfred 796184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 797184610Salfred} 798184610Salfred 799184610Salfredstatic void 800184610Salfreduss820dci_setup_standard_chain_sub(struct uss820_std_temp *temp) 801184610Salfred{ 802184610Salfred struct uss820dci_td *td; 803184610Salfred 804184610Salfred /* get current Transfer Descriptor */ 805184610Salfred td = temp->td_next; 806184610Salfred temp->td = td; 807184610Salfred 808184610Salfred /* prepare for next TD */ 809184610Salfred temp->td_next = td->obj_next; 810184610Salfred 811184610Salfred /* fill out the Transfer Descriptor */ 812184610Salfred td->func = temp->func; 813184610Salfred td->pc = temp->pc; 814184610Salfred td->offset = temp->offset; 815184610Salfred td->remainder = temp->len; 816184610Salfred td->error = 0; 817184610Salfred td->did_stall = 0; 818184610Salfred td->short_pkt = temp->short_pkt; 819184610Salfred td->alt_next = temp->setup_alt_next; 820184610Salfred} 821184610Salfred 822184610Salfredstatic void 823184610Salfreduss820dci_setup_standard_chain(struct usb2_xfer *xfer) 824184610Salfred{ 825184610Salfred struct uss820_std_temp temp; 826184610Salfred struct uss820dci_softc *sc; 827184610Salfred struct uss820dci_td *td; 828184610Salfred uint32_t x; 829184610Salfred uint8_t ep_no; 830184610Salfred 831184610Salfred DPRINTFN(9, "addr=%d endpt=%d sumlen=%d speed=%d\n", 832184610Salfred xfer->address, UE_GET_ADDR(xfer->endpoint), 833187173Sthompsa xfer->sumlen, usb2_get_speed(xfer->xroot->udev)); 834184610Salfred 835184610Salfred temp.max_frame_size = xfer->max_frame_size; 836184610Salfred 837184610Salfred td = xfer->td_start[0]; 838184610Salfred xfer->td_transfer_first = td; 839184610Salfred xfer->td_transfer_cache = td; 840184610Salfred 841184610Salfred /* setup temp */ 842184610Salfred 843184610Salfred temp.td = NULL; 844184610Salfred temp.td_next = xfer->td_start[0]; 845190183Sthompsa temp.offset = 0; 846184610Salfred temp.setup_alt_next = xfer->flags_int.short_frames_ok; 847184610Salfred 848187173Sthompsa sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 849184610Salfred ep_no = (xfer->endpoint & UE_ADDR); 850184610Salfred 851184610Salfred /* check if we should prepend a setup message */ 852184610Salfred 853184610Salfred if (xfer->flags_int.control_xfr) { 854184610Salfred if (xfer->flags_int.control_hdr) { 855184610Salfred 856184610Salfred temp.func = &uss820dci_setup_rx; 857184610Salfred temp.len = xfer->frlengths[0]; 858184610Salfred temp.pc = xfer->frbuffers + 0; 859184610Salfred temp.short_pkt = temp.len ? 1 : 0; 860190183Sthompsa /* check for last frame */ 861190183Sthompsa if (xfer->nframes == 1) { 862190183Sthompsa /* no STATUS stage yet, SETUP is last */ 863190183Sthompsa if (xfer->flags_int.control_act) 864190183Sthompsa temp.setup_alt_next = 0; 865190183Sthompsa } 866184610Salfred 867184610Salfred uss820dci_setup_standard_chain_sub(&temp); 868184610Salfred } 869184610Salfred x = 1; 870184610Salfred } else { 871184610Salfred x = 0; 872184610Salfred } 873184610Salfred 874184610Salfred if (x != xfer->nframes) { 875184610Salfred if (xfer->endpoint & UE_DIR_IN) { 876184610Salfred temp.func = &uss820dci_data_tx; 877184610Salfred } else { 878184610Salfred temp.func = &uss820dci_data_rx; 879184610Salfred } 880184610Salfred 881184610Salfred /* setup "pc" pointer */ 882184610Salfred temp.pc = xfer->frbuffers + x; 883184610Salfred } 884184610Salfred while (x != xfer->nframes) { 885184610Salfred 886184610Salfred /* DATA0 / DATA1 message */ 887184610Salfred 888184610Salfred temp.len = xfer->frlengths[x]; 889184610Salfred 890184610Salfred x++; 891184610Salfred 892184610Salfred if (x == xfer->nframes) { 893190183Sthompsa if (xfer->flags_int.control_xfr) { 894190183Sthompsa if (xfer->flags_int.control_act) { 895190183Sthompsa temp.setup_alt_next = 0; 896190183Sthompsa } 897190183Sthompsa } else { 898190183Sthompsa temp.setup_alt_next = 0; 899190183Sthompsa } 900184610Salfred } 901184610Salfred if (temp.len == 0) { 902184610Salfred 903184610Salfred /* make sure that we send an USB packet */ 904184610Salfred 905184610Salfred temp.short_pkt = 0; 906184610Salfred 907184610Salfred } else { 908184610Salfred 909184610Salfred /* regular data transfer */ 910184610Salfred 911184610Salfred temp.short_pkt = (xfer->flags.force_short_xfer) ? 0 : 1; 912184610Salfred } 913184610Salfred 914184610Salfred uss820dci_setup_standard_chain_sub(&temp); 915184610Salfred 916184610Salfred if (xfer->flags_int.isochronous_xfr) { 917184610Salfred temp.offset += temp.len; 918184610Salfred } else { 919184610Salfred /* get next Page Cache pointer */ 920184610Salfred temp.pc = xfer->frbuffers + x; 921184610Salfred } 922184610Salfred } 923184610Salfred 924190183Sthompsa /* check for control transfer */ 925190183Sthompsa if (xfer->flags_int.control_xfr) { 926184610Salfred uint8_t need_sync; 927184610Salfred 928190183Sthompsa /* always setup a valid "pc" pointer for status and sync */ 929190183Sthompsa temp.pc = xfer->frbuffers + 0; 930184610Salfred temp.len = 0; 931184610Salfred temp.short_pkt = 0; 932190183Sthompsa temp.setup_alt_next = 0; 933184610Salfred 934190183Sthompsa /* check if we should append a status stage */ 935190183Sthompsa if (!xfer->flags_int.control_act) { 936190183Sthompsa 937190183Sthompsa /* 938190183Sthompsa * Send a DATA1 message and invert the current 939190183Sthompsa * endpoint direction. 940190183Sthompsa */ 941190183Sthompsa if (xfer->endpoint & UE_DIR_IN) { 942190183Sthompsa temp.func = &uss820dci_data_rx; 943190183Sthompsa need_sync = 0; 944190183Sthompsa } else { 945190183Sthompsa temp.func = &uss820dci_data_tx; 946190183Sthompsa need_sync = 1; 947190183Sthompsa } 948184610Salfred temp.len = 0; 949184610Salfred temp.short_pkt = 0; 950184610Salfred 951184610Salfred uss820dci_setup_standard_chain_sub(&temp); 952190183Sthompsa if (need_sync) { 953190183Sthompsa /* we need a SYNC point after TX */ 954190183Sthompsa temp.func = &uss820dci_data_tx_sync; 955190183Sthompsa uss820dci_setup_standard_chain_sub(&temp); 956190183Sthompsa } 957184610Salfred } 958184610Salfred } 959184610Salfred /* must have at least one frame! */ 960184610Salfred td = temp.td; 961184610Salfred xfer->td_transfer_last = td; 962184610Salfred} 963184610Salfred 964184610Salfredstatic void 965184610Salfreduss820dci_timeout(void *arg) 966184610Salfred{ 967184610Salfred struct usb2_xfer *xfer = arg; 968184610Salfred 969184610Salfred DPRINTF("xfer=%p\n", xfer); 970184610Salfred 971187173Sthompsa USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); 972184610Salfred 973184610Salfred /* transfer is transferred */ 974184610Salfred uss820dci_device_done(xfer, USB_ERR_TIMEOUT); 975184610Salfred} 976184610Salfred 977184610Salfredstatic void 978184610Salfreduss820dci_intr_set(struct usb2_xfer *xfer, uint8_t set) 979184610Salfred{ 980187173Sthompsa struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 981184610Salfred uint8_t ep_no = (xfer->endpoint & UE_ADDR); 982184610Salfred uint8_t ep_reg; 983184610Salfred uint8_t temp; 984184610Salfred 985184610Salfred DPRINTFN(15, "endpoint 0x%02x\n", xfer->endpoint); 986184610Salfred 987184610Salfred if (ep_no > 3) { 988184610Salfred ep_reg = USS820_SBIE1; 989184610Salfred } else { 990184610Salfred ep_reg = USS820_SBIE; 991184610Salfred } 992184610Salfred 993184610Salfred ep_no &= 3; 994184610Salfred ep_no = 1 << (2 * ep_no); 995184610Salfred 996184610Salfred if (xfer->flags_int.control_xfr) { 997184610Salfred if (xfer->flags_int.control_hdr) { 998184610Salfred ep_no <<= 1; /* RX interrupt only */ 999184610Salfred } else { 1000184610Salfred ep_no |= (ep_no << 1); /* RX and TX interrupt */ 1001184610Salfred } 1002184610Salfred } else { 1003184610Salfred if (!(xfer->endpoint & UE_DIR_IN)) { 1004184610Salfred ep_no <<= 1; 1005184610Salfred } 1006184610Salfred } 1007184610Salfred temp = USS820_READ_1(sc, ep_reg); 1008184610Salfred if (set) { 1009184610Salfred temp |= ep_no; 1010184610Salfred } else { 1011184610Salfred temp &= ~ep_no; 1012184610Salfred } 1013184610Salfred USS820_WRITE_1(sc, ep_reg, temp); 1014184610Salfred} 1015184610Salfred 1016184610Salfredstatic void 1017184610Salfreduss820dci_start_standard_chain(struct usb2_xfer *xfer) 1018184610Salfred{ 1019184610Salfred DPRINTFN(9, "\n"); 1020184610Salfred 1021184610Salfred /* poll one time */ 1022184610Salfred if (uss820dci_xfer_do_fifo(xfer)) { 1023184610Salfred 1024184610Salfred /* 1025184610Salfred * Only enable the endpoint interrupt when we are 1026184610Salfred * actually waiting for data, hence we are dealing 1027184610Salfred * with level triggered interrupts ! 1028184610Salfred */ 1029184610Salfred uss820dci_intr_set(xfer, 1); 1030184610Salfred 1031184610Salfred /* put transfer on interrupt queue */ 1032187173Sthompsa usb2_transfer_enqueue(&xfer->xroot->bus->intr_q, xfer); 1033184610Salfred 1034184610Salfred /* start timeout, if any */ 1035184610Salfred if (xfer->timeout != 0) { 1036184610Salfred usb2_transfer_timeout_ms(xfer, 1037184610Salfred &uss820dci_timeout, xfer->timeout); 1038184610Salfred } 1039184610Salfred } 1040184610Salfred} 1041184610Salfred 1042184610Salfredstatic void 1043190735Sthompsauss820dci_root_intr(struct uss820dci_softc *sc) 1044184610Salfred{ 1045184610Salfred DPRINTFN(9, "\n"); 1046184610Salfred 1047184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 1048184610Salfred 1049184610Salfred /* set port bit */ 1050184610Salfred sc->sc_hub_idata[0] = 0x02; /* we only have one port */ 1051184610Salfred 1052190735Sthompsa uhub_root_intr(&sc->sc_bus, sc->sc_hub_idata, 1053190735Sthompsa sizeof(sc->sc_hub_idata)); 1054184610Salfred} 1055184610Salfred 1056184610Salfredstatic usb2_error_t 1057184610Salfreduss820dci_standard_done_sub(struct usb2_xfer *xfer) 1058184610Salfred{ 1059184610Salfred struct uss820dci_td *td; 1060184610Salfred uint32_t len; 1061184610Salfred uint8_t error; 1062184610Salfred 1063184610Salfred DPRINTFN(9, "\n"); 1064184610Salfred 1065184610Salfred td = xfer->td_transfer_cache; 1066184610Salfred 1067184610Salfred do { 1068184610Salfred len = td->remainder; 1069184610Salfred 1070184610Salfred if (xfer->aframes != xfer->nframes) { 1071184610Salfred /* 1072184610Salfred * Verify the length and subtract 1073184610Salfred * the remainder from "frlengths[]": 1074184610Salfred */ 1075184610Salfred if (len > xfer->frlengths[xfer->aframes]) { 1076184610Salfred td->error = 1; 1077184610Salfred } else { 1078184610Salfred xfer->frlengths[xfer->aframes] -= len; 1079184610Salfred } 1080184610Salfred } 1081184610Salfred /* Check for transfer error */ 1082184610Salfred if (td->error) { 1083184610Salfred /* the transfer is finished */ 1084184610Salfred error = 1; 1085184610Salfred td = NULL; 1086184610Salfred break; 1087184610Salfred } 1088184610Salfred /* Check for short transfer */ 1089184610Salfred if (len > 0) { 1090184610Salfred if (xfer->flags_int.short_frames_ok) { 1091184610Salfred /* follow alt next */ 1092184610Salfred if (td->alt_next) { 1093184610Salfred td = td->obj_next; 1094184610Salfred } else { 1095184610Salfred td = NULL; 1096184610Salfred } 1097184610Salfred } else { 1098184610Salfred /* the transfer is finished */ 1099184610Salfred td = NULL; 1100184610Salfred } 1101184610Salfred error = 0; 1102184610Salfred break; 1103184610Salfred } 1104184610Salfred td = td->obj_next; 1105184610Salfred 1106184610Salfred /* this USB frame is complete */ 1107184610Salfred error = 0; 1108184610Salfred break; 1109184610Salfred 1110184610Salfred } while (0); 1111184610Salfred 1112184610Salfred /* update transfer cache */ 1113184610Salfred 1114184610Salfred xfer->td_transfer_cache = td; 1115184610Salfred 1116184610Salfred return (error ? 1117184610Salfred USB_ERR_STALLED : USB_ERR_NORMAL_COMPLETION); 1118184610Salfred} 1119184610Salfred 1120184610Salfredstatic void 1121184610Salfreduss820dci_standard_done(struct usb2_xfer *xfer) 1122184610Salfred{ 1123184610Salfred usb2_error_t err = 0; 1124184610Salfred 1125184610Salfred DPRINTFN(13, "xfer=%p pipe=%p transfer done\n", 1126184610Salfred xfer, xfer->pipe); 1127184610Salfred 1128184610Salfred /* reset scanner */ 1129184610Salfred 1130184610Salfred xfer->td_transfer_cache = xfer->td_transfer_first; 1131184610Salfred 1132184610Salfred if (xfer->flags_int.control_xfr) { 1133184610Salfred 1134184610Salfred if (xfer->flags_int.control_hdr) { 1135184610Salfred 1136184610Salfred err = uss820dci_standard_done_sub(xfer); 1137184610Salfred } 1138184610Salfred xfer->aframes = 1; 1139184610Salfred 1140184610Salfred if (xfer->td_transfer_cache == NULL) { 1141184610Salfred goto done; 1142184610Salfred } 1143184610Salfred } 1144184610Salfred while (xfer->aframes != xfer->nframes) { 1145184610Salfred 1146184610Salfred err = uss820dci_standard_done_sub(xfer); 1147184610Salfred xfer->aframes++; 1148184610Salfred 1149184610Salfred if (xfer->td_transfer_cache == NULL) { 1150184610Salfred goto done; 1151184610Salfred } 1152184610Salfred } 1153184610Salfred 1154184610Salfred if (xfer->flags_int.control_xfr && 1155184610Salfred !xfer->flags_int.control_act) { 1156184610Salfred 1157184610Salfred err = uss820dci_standard_done_sub(xfer); 1158184610Salfred } 1159184610Salfreddone: 1160184610Salfred uss820dci_device_done(xfer, err); 1161184610Salfred} 1162184610Salfred 1163184610Salfred/*------------------------------------------------------------------------* 1164184610Salfred * uss820dci_device_done 1165184610Salfred * 1166184610Salfred * NOTE: this function can be called more than one time on the 1167184610Salfred * same USB transfer! 1168184610Salfred *------------------------------------------------------------------------*/ 1169184610Salfredstatic void 1170184610Salfreduss820dci_device_done(struct usb2_xfer *xfer, usb2_error_t error) 1171184610Salfred{ 1172187173Sthompsa USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); 1173184610Salfred 1174184610Salfred DPRINTFN(2, "xfer=%p, pipe=%p, error=%d\n", 1175184610Salfred xfer, xfer->pipe, error); 1176184610Salfred 1177184610Salfred if (xfer->flags_int.usb2_mode == USB_MODE_DEVICE) { 1178184610Salfred uss820dci_intr_set(xfer, 0); 1179184610Salfred } 1180184610Salfred /* dequeue transfer and start next transfer */ 1181184610Salfred usb2_transfer_done(xfer, error); 1182184610Salfred} 1183184610Salfred 1184184610Salfredstatic void 1185184610Salfreduss820dci_set_stall(struct usb2_device *udev, struct usb2_xfer *xfer, 1186184610Salfred struct usb2_pipe *pipe) 1187184610Salfred{ 1188184610Salfred struct uss820dci_softc *sc; 1189184610Salfred uint8_t ep_no; 1190184610Salfred uint8_t ep_type; 1191184610Salfred uint8_t ep_dir; 1192184610Salfred uint8_t temp; 1193184610Salfred 1194184824Sthompsa USB_BUS_LOCK_ASSERT(udev->bus, MA_OWNED); 1195184610Salfred 1196184610Salfred DPRINTFN(5, "pipe=%p\n", pipe); 1197184610Salfred 1198184610Salfred if (xfer) { 1199184610Salfred /* cancel any ongoing transfers */ 1200184610Salfred uss820dci_device_done(xfer, USB_ERR_STALLED); 1201184610Salfred } 1202184610Salfred /* set FORCESTALL */ 1203184610Salfred sc = USS820_DCI_BUS2SC(udev->bus); 1204184610Salfred ep_no = (pipe->edesc->bEndpointAddress & UE_ADDR); 1205184610Salfred ep_dir = (pipe->edesc->bEndpointAddress & (UE_DIR_IN | UE_DIR_OUT)); 1206184610Salfred ep_type = (pipe->edesc->bmAttributes & UE_XFERTYPE); 1207184610Salfred 1208184610Salfred if (ep_type == UE_CONTROL) { 1209184610Salfred /* should not happen */ 1210184610Salfred return; 1211184610Salfred } 1212184610Salfred USS820_WRITE_1(sc, USS820_EPINDEX, ep_no); 1213184610Salfred 1214184610Salfred if (ep_dir == UE_DIR_IN) { 1215184610Salfred temp = USS820_EPCON_TXSTL; 1216184610Salfred } else { 1217184610Salfred temp = USS820_EPCON_RXSTL; 1218184610Salfred } 1219184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, temp); 1220184610Salfred} 1221184610Salfred 1222184610Salfredstatic void 1223184610Salfreduss820dci_clear_stall_sub(struct uss820dci_softc *sc, 1224184610Salfred uint8_t ep_no, uint8_t ep_type, uint8_t ep_dir) 1225184610Salfred{ 1226184610Salfred uint8_t temp; 1227184610Salfred 1228184610Salfred if (ep_type == UE_CONTROL) { 1229184610Salfred /* clearing stall is not needed */ 1230184610Salfred return; 1231184610Salfred } 1232184610Salfred /* select endpoint index */ 1233184610Salfred USS820_WRITE_1(sc, USS820_EPINDEX, ep_no); 1234184610Salfred 1235184610Salfred /* clear stall and disable I/O transfers */ 1236184610Salfred if (ep_dir == UE_DIR_IN) { 1237184610Salfred temp = 0xFF ^ (USS820_EPCON_TXOE | 1238184610Salfred USS820_EPCON_TXSTL); 1239184610Salfred } else { 1240184610Salfred temp = 0xFF ^ (USS820_EPCON_RXIE | 1241184610Salfred USS820_EPCON_RXSTL); 1242184610Salfred } 1243184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, temp, 0); 1244184610Salfred 1245184610Salfred if (ep_dir == UE_DIR_IN) { 1246184610Salfred /* reset data toggle */ 1247184610Salfred USS820_WRITE_1(sc, USS820_TXSTAT, 1248184610Salfred USS820_TXSTAT_TXSOVW); 1249184610Salfred 1250184610Salfred /* reset FIFO */ 1251184610Salfred temp = USS820_READ_1(sc, USS820_TXCON); 1252184610Salfred temp |= USS820_TXCON_TXCLR; 1253184610Salfred USS820_WRITE_1(sc, USS820_TXCON, temp); 1254184610Salfred temp &= ~USS820_TXCON_TXCLR; 1255184610Salfred USS820_WRITE_1(sc, USS820_TXCON, temp); 1256184610Salfred } else { 1257184610Salfred 1258184610Salfred /* reset data toggle */ 1259184610Salfred uss820dci_update_shared_1(sc, USS820_RXSTAT, 1260184610Salfred 0, USS820_RXSTAT_RXSOVW); 1261184610Salfred 1262184610Salfred /* reset FIFO */ 1263184610Salfred temp = USS820_READ_1(sc, USS820_RXCON); 1264184610Salfred temp |= USS820_RXCON_RXCLR; 1265184610Salfred temp &= ~USS820_RXCON_RXFFRC; 1266184610Salfred USS820_WRITE_1(sc, USS820_RXCON, temp); 1267184610Salfred temp &= ~USS820_RXCON_RXCLR; 1268184610Salfred USS820_WRITE_1(sc, USS820_RXCON, temp); 1269184610Salfred } 1270184610Salfred} 1271184610Salfred 1272184610Salfredstatic void 1273184610Salfreduss820dci_clear_stall(struct usb2_device *udev, struct usb2_pipe *pipe) 1274184610Salfred{ 1275184610Salfred struct uss820dci_softc *sc; 1276184610Salfred struct usb2_endpoint_descriptor *ed; 1277184610Salfred 1278184824Sthompsa USB_BUS_LOCK_ASSERT(udev->bus, MA_OWNED); 1279184610Salfred 1280184610Salfred DPRINTFN(5, "pipe=%p\n", pipe); 1281184610Salfred 1282184610Salfred /* check mode */ 1283184610Salfred if (udev->flags.usb2_mode != USB_MODE_DEVICE) { 1284184610Salfred /* not supported */ 1285184610Salfred return; 1286184610Salfred } 1287184610Salfred /* get softc */ 1288184610Salfred sc = USS820_DCI_BUS2SC(udev->bus); 1289184610Salfred 1290184610Salfred /* get endpoint descriptor */ 1291184610Salfred ed = pipe->edesc; 1292184610Salfred 1293184610Salfred /* reset endpoint */ 1294184610Salfred uss820dci_clear_stall_sub(sc, 1295184610Salfred (ed->bEndpointAddress & UE_ADDR), 1296184610Salfred (ed->bmAttributes & UE_XFERTYPE), 1297184610Salfred (ed->bEndpointAddress & (UE_DIR_IN | UE_DIR_OUT))); 1298184610Salfred} 1299184610Salfred 1300184610Salfredusb2_error_t 1301184610Salfreduss820dci_init(struct uss820dci_softc *sc) 1302184610Salfred{ 1303184610Salfred const struct usb2_hw_ep_profile *pf; 1304184610Salfred uint8_t n; 1305184610Salfred uint8_t temp; 1306184610Salfred 1307184610Salfred DPRINTF("start\n"); 1308184610Salfred 1309184610Salfred /* set up the bus structure */ 1310184610Salfred sc->sc_bus.usbrev = USB_REV_1_1; 1311184610Salfred sc->sc_bus.methods = &uss820dci_bus_methods; 1312184610Salfred 1313184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 1314184610Salfred 1315184610Salfred /* we always have VBUS */ 1316184610Salfred sc->sc_flags.status_vbus = 1; 1317184610Salfred 1318184610Salfred /* reset the chip */ 1319184610Salfred USS820_WRITE_1(sc, USS820_SCR, USS820_SCR_SRESET); 1320184610Salfred DELAY(100); 1321184610Salfred USS820_WRITE_1(sc, USS820_SCR, 0); 1322184610Salfred 1323184610Salfred /* wait for reset to complete */ 1324184610Salfred for (n = 0;; n++) { 1325184610Salfred 1326184610Salfred temp = USS820_READ_1(sc, USS820_MCSR); 1327184610Salfred 1328184610Salfred if (temp & USS820_MCSR_INIT) { 1329184610Salfred break; 1330184610Salfred } 1331184610Salfred if (n == 100) { 1332184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1333184610Salfred return (USB_ERR_INVAL); 1334184610Salfred } 1335184610Salfred /* wait a little for things to stabilise */ 1336184610Salfred DELAY(100); 1337184610Salfred } 1338184610Salfred 1339184610Salfred /* do a pulldown */ 1340184610Salfred uss820dci_pull_down(sc); 1341184610Salfred 1342184610Salfred /* wait 10ms for pulldown to stabilise */ 1343188409Sthompsa usb2_pause_mtx(&sc->sc_bus.bus_mtx, hz / 100); 1344184610Salfred 1345184610Salfred /* check hardware revision */ 1346184610Salfred temp = USS820_READ_1(sc, USS820_REV); 1347184610Salfred 1348184610Salfred if (temp < 0x13) { 1349184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1350184610Salfred return (USB_ERR_INVAL); 1351184610Salfred } 1352184610Salfred /* enable interrupts */ 1353184610Salfred USS820_WRITE_1(sc, USS820_SCR, 1354184610Salfred USS820_SCR_T_IRQ | 1355184610Salfred USS820_SCR_IE_RESET | 1356186730Salfred /* USS820_SCR_RWUPE | */ 1357184610Salfred USS820_SCR_IE_SUSP | 1358184610Salfred USS820_SCR_IRQPOL); 1359184610Salfred 1360184610Salfred /* enable interrupts */ 1361184610Salfred USS820_WRITE_1(sc, USS820_SCRATCH, 1362184610Salfred USS820_SCRATCH_IE_RESUME); 1363184610Salfred 1364184610Salfred /* enable features */ 1365184610Salfred USS820_WRITE_1(sc, USS820_MCSR, 1366184610Salfred USS820_MCSR_BDFEAT | 1367184610Salfred USS820_MCSR_FEAT); 1368184610Salfred 1369184610Salfred sc->sc_flags.mcsr_feat = 1; 1370184610Salfred 1371184610Salfred /* disable interrupts */ 1372184610Salfred USS820_WRITE_1(sc, USS820_SBIE, 0); 1373184610Salfred 1374184610Salfred /* disable interrupts */ 1375184610Salfred USS820_WRITE_1(sc, USS820_SBIE1, 0); 1376184610Salfred 1377184610Salfred /* disable all endpoints */ 1378184610Salfred for (n = 0; n != USS820_EP_MAX; n++) { 1379184610Salfred 1380184610Salfred /* select endpoint */ 1381184610Salfred USS820_WRITE_1(sc, USS820_EPINDEX, n); 1382184610Salfred 1383184610Salfred /* disable endpoint */ 1384184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, 0, 0); 1385184610Salfred } 1386184610Salfred 1387184610Salfred /* 1388184610Salfred * Initialise default values for some registers that cannot be 1389184610Salfred * changed during operation! 1390184610Salfred */ 1391184610Salfred for (n = 0; n != USS820_EP_MAX; n++) { 1392184610Salfred 1393184610Salfred uss820dci_get_hw_ep_profile(NULL, &pf, n); 1394184610Salfred 1395184610Salfred /* the maximum frame sizes should be the same */ 1396184610Salfred if (pf->max_in_frame_size != pf->max_out_frame_size) { 1397184610Salfred DPRINTF("Max frame size mismatch %u != %u\n", 1398184610Salfred pf->max_in_frame_size, pf->max_out_frame_size); 1399184610Salfred } 1400184610Salfred if (pf->support_isochronous) { 1401184610Salfred if (pf->max_in_frame_size <= 64) { 1402184610Salfred temp = (USS820_TXCON_FFSZ_16_64 | 1403184610Salfred USS820_TXCON_TXISO | 1404184610Salfred USS820_TXCON_ATM); 1405184610Salfred } else if (pf->max_in_frame_size <= 256) { 1406184610Salfred temp = (USS820_TXCON_FFSZ_64_256 | 1407184610Salfred USS820_TXCON_TXISO | 1408184610Salfred USS820_TXCON_ATM); 1409184610Salfred } else if (pf->max_in_frame_size <= 512) { 1410184610Salfred temp = (USS820_TXCON_FFSZ_8_512 | 1411184610Salfred USS820_TXCON_TXISO | 1412184610Salfred USS820_TXCON_ATM); 1413184610Salfred } else { /* 1024 bytes */ 1414184610Salfred temp = (USS820_TXCON_FFSZ_32_1024 | 1415184610Salfred USS820_TXCON_TXISO | 1416184610Salfred USS820_TXCON_ATM); 1417184610Salfred } 1418184610Salfred } else { 1419184610Salfred if ((pf->max_in_frame_size <= 8) && 1420184610Salfred (sc->sc_flags.mcsr_feat)) { 1421184610Salfred temp = (USS820_TXCON_FFSZ_8_512 | 1422184610Salfred USS820_TXCON_ATM); 1423184610Salfred } else if (pf->max_in_frame_size <= 16) { 1424184610Salfred temp = (USS820_TXCON_FFSZ_16_64 | 1425184610Salfred USS820_TXCON_ATM); 1426184610Salfred } else if ((pf->max_in_frame_size <= 32) && 1427184610Salfred (sc->sc_flags.mcsr_feat)) { 1428184610Salfred temp = (USS820_TXCON_FFSZ_32_1024 | 1429184610Salfred USS820_TXCON_ATM); 1430184610Salfred } else { /* 64 bytes */ 1431184610Salfred temp = (USS820_TXCON_FFSZ_64_256 | 1432184610Salfred USS820_TXCON_ATM); 1433184610Salfred } 1434184610Salfred } 1435184610Salfred 1436184610Salfred /* need to configure the chip early */ 1437184610Salfred 1438184610Salfred USS820_WRITE_1(sc, USS820_EPINDEX, n); 1439184610Salfred USS820_WRITE_1(sc, USS820_TXCON, temp); 1440184610Salfred USS820_WRITE_1(sc, USS820_RXCON, temp); 1441184610Salfred 1442184610Salfred if (pf->support_control) { 1443184610Salfred temp = USS820_EPCON_CTLEP | 1444184610Salfred USS820_EPCON_RXSPM | 1445184610Salfred USS820_EPCON_RXIE | 1446184610Salfred USS820_EPCON_RXEPEN | 1447184610Salfred USS820_EPCON_TXOE | 1448184610Salfred USS820_EPCON_TXEPEN; 1449184610Salfred } else { 1450184610Salfred temp = USS820_EPCON_RXEPEN | USS820_EPCON_TXEPEN; 1451184610Salfred } 1452184610Salfred 1453184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, temp); 1454184610Salfred } 1455184610Salfred 1456184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1457184610Salfred 1458184610Salfred /* catch any lost interrupts */ 1459184610Salfred 1460184610Salfred uss820dci_do_poll(&sc->sc_bus); 1461184610Salfred 1462184610Salfred return (0); /* success */ 1463184610Salfred} 1464184610Salfred 1465184610Salfredvoid 1466184610Salfreduss820dci_uninit(struct uss820dci_softc *sc) 1467184610Salfred{ 1468184610Salfred uint8_t temp; 1469184610Salfred 1470184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 1471184610Salfred 1472184610Salfred /* disable all interrupts */ 1473184610Salfred temp = USS820_READ_1(sc, USS820_SCR); 1474184610Salfred temp &= ~USS820_SCR_T_IRQ; 1475184610Salfred USS820_WRITE_1(sc, USS820_SCR, temp); 1476184610Salfred 1477184610Salfred sc->sc_flags.port_powered = 0; 1478184610Salfred sc->sc_flags.status_vbus = 0; 1479184610Salfred sc->sc_flags.status_bus_reset = 0; 1480184610Salfred sc->sc_flags.status_suspend = 0; 1481184610Salfred sc->sc_flags.change_suspend = 0; 1482184610Salfred sc->sc_flags.change_connect = 1; 1483184610Salfred 1484184610Salfred uss820dci_pull_down(sc); 1485184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1486184610Salfred} 1487184610Salfred 1488184610Salfredvoid 1489184610Salfreduss820dci_suspend(struct uss820dci_softc *sc) 1490184610Salfred{ 1491184610Salfred return; 1492184610Salfred} 1493184610Salfred 1494184610Salfredvoid 1495184610Salfreduss820dci_resume(struct uss820dci_softc *sc) 1496184610Salfred{ 1497184610Salfred return; 1498184610Salfred} 1499184610Salfred 1500184610Salfredstatic void 1501184610Salfreduss820dci_do_poll(struct usb2_bus *bus) 1502184610Salfred{ 1503184610Salfred struct uss820dci_softc *sc = USS820_DCI_BUS2SC(bus); 1504184610Salfred 1505184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 1506184610Salfred uss820dci_interrupt_poll(sc); 1507184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1508184610Salfred} 1509184610Salfred 1510184610Salfred/*------------------------------------------------------------------------* 1511184610Salfred * at91dci bulk support 1512184610Salfred *------------------------------------------------------------------------*/ 1513184610Salfredstatic void 1514184610Salfreduss820dci_device_bulk_open(struct usb2_xfer *xfer) 1515184610Salfred{ 1516184610Salfred return; 1517184610Salfred} 1518184610Salfred 1519184610Salfredstatic void 1520184610Salfreduss820dci_device_bulk_close(struct usb2_xfer *xfer) 1521184610Salfred{ 1522184610Salfred uss820dci_device_done(xfer, USB_ERR_CANCELLED); 1523184610Salfred} 1524184610Salfred 1525184610Salfredstatic void 1526184610Salfreduss820dci_device_bulk_enter(struct usb2_xfer *xfer) 1527184610Salfred{ 1528184610Salfred return; 1529184610Salfred} 1530184610Salfred 1531184610Salfredstatic void 1532184610Salfreduss820dci_device_bulk_start(struct usb2_xfer *xfer) 1533184610Salfred{ 1534184610Salfred /* setup TDs */ 1535184610Salfred uss820dci_setup_standard_chain(xfer); 1536184610Salfred uss820dci_start_standard_chain(xfer); 1537184610Salfred} 1538184610Salfred 1539184610Salfredstruct usb2_pipe_methods uss820dci_device_bulk_methods = 1540184610Salfred{ 1541184610Salfred .open = uss820dci_device_bulk_open, 1542184610Salfred .close = uss820dci_device_bulk_close, 1543184610Salfred .enter = uss820dci_device_bulk_enter, 1544184610Salfred .start = uss820dci_device_bulk_start, 1545184610Salfred .enter_is_cancelable = 1, 1546184610Salfred .start_is_cancelable = 1, 1547184610Salfred}; 1548184610Salfred 1549184610Salfred/*------------------------------------------------------------------------* 1550184610Salfred * at91dci control support 1551184610Salfred *------------------------------------------------------------------------*/ 1552184610Salfredstatic void 1553184610Salfreduss820dci_device_ctrl_open(struct usb2_xfer *xfer) 1554184610Salfred{ 1555184610Salfred return; 1556184610Salfred} 1557184610Salfred 1558184610Salfredstatic void 1559184610Salfreduss820dci_device_ctrl_close(struct usb2_xfer *xfer) 1560184610Salfred{ 1561184610Salfred uss820dci_device_done(xfer, USB_ERR_CANCELLED); 1562184610Salfred} 1563184610Salfred 1564184610Salfredstatic void 1565184610Salfreduss820dci_device_ctrl_enter(struct usb2_xfer *xfer) 1566184610Salfred{ 1567184610Salfred return; 1568184610Salfred} 1569184610Salfred 1570184610Salfredstatic void 1571184610Salfreduss820dci_device_ctrl_start(struct usb2_xfer *xfer) 1572184610Salfred{ 1573184610Salfred /* setup TDs */ 1574184610Salfred uss820dci_setup_standard_chain(xfer); 1575184610Salfred uss820dci_start_standard_chain(xfer); 1576184610Salfred} 1577184610Salfred 1578184610Salfredstruct usb2_pipe_methods uss820dci_device_ctrl_methods = 1579184610Salfred{ 1580184610Salfred .open = uss820dci_device_ctrl_open, 1581184610Salfred .close = uss820dci_device_ctrl_close, 1582184610Salfred .enter = uss820dci_device_ctrl_enter, 1583184610Salfred .start = uss820dci_device_ctrl_start, 1584184610Salfred .enter_is_cancelable = 1, 1585184610Salfred .start_is_cancelable = 1, 1586184610Salfred}; 1587184610Salfred 1588184610Salfred/*------------------------------------------------------------------------* 1589184610Salfred * at91dci interrupt support 1590184610Salfred *------------------------------------------------------------------------*/ 1591184610Salfredstatic void 1592184610Salfreduss820dci_device_intr_open(struct usb2_xfer *xfer) 1593184610Salfred{ 1594184610Salfred return; 1595184610Salfred} 1596184610Salfred 1597184610Salfredstatic void 1598184610Salfreduss820dci_device_intr_close(struct usb2_xfer *xfer) 1599184610Salfred{ 1600184610Salfred uss820dci_device_done(xfer, USB_ERR_CANCELLED); 1601184610Salfred} 1602184610Salfred 1603184610Salfredstatic void 1604184610Salfreduss820dci_device_intr_enter(struct usb2_xfer *xfer) 1605184610Salfred{ 1606184610Salfred return; 1607184610Salfred} 1608184610Salfred 1609184610Salfredstatic void 1610184610Salfreduss820dci_device_intr_start(struct usb2_xfer *xfer) 1611184610Salfred{ 1612184610Salfred /* setup TDs */ 1613184610Salfred uss820dci_setup_standard_chain(xfer); 1614184610Salfred uss820dci_start_standard_chain(xfer); 1615184610Salfred} 1616184610Salfred 1617184610Salfredstruct usb2_pipe_methods uss820dci_device_intr_methods = 1618184610Salfred{ 1619184610Salfred .open = uss820dci_device_intr_open, 1620184610Salfred .close = uss820dci_device_intr_close, 1621184610Salfred .enter = uss820dci_device_intr_enter, 1622184610Salfred .start = uss820dci_device_intr_start, 1623184610Salfred .enter_is_cancelable = 1, 1624184610Salfred .start_is_cancelable = 1, 1625184610Salfred}; 1626184610Salfred 1627184610Salfred/*------------------------------------------------------------------------* 1628184610Salfred * at91dci full speed isochronous support 1629184610Salfred *------------------------------------------------------------------------*/ 1630184610Salfredstatic void 1631184610Salfreduss820dci_device_isoc_fs_open(struct usb2_xfer *xfer) 1632184610Salfred{ 1633184610Salfred return; 1634184610Salfred} 1635184610Salfred 1636184610Salfredstatic void 1637184610Salfreduss820dci_device_isoc_fs_close(struct usb2_xfer *xfer) 1638184610Salfred{ 1639184610Salfred uss820dci_device_done(xfer, USB_ERR_CANCELLED); 1640184610Salfred} 1641184610Salfred 1642184610Salfredstatic void 1643184610Salfreduss820dci_device_isoc_fs_enter(struct usb2_xfer *xfer) 1644184610Salfred{ 1645187173Sthompsa struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 1646184610Salfred uint32_t temp; 1647184610Salfred uint32_t nframes; 1648184610Salfred 1649184610Salfred DPRINTFN(6, "xfer=%p next=%d nframes=%d\n", 1650184610Salfred xfer, xfer->pipe->isoc_next, xfer->nframes); 1651184610Salfred 1652184610Salfred /* get the current frame index - we don't need the high bits */ 1653184610Salfred 1654184610Salfred nframes = USS820_READ_1(sc, USS820_SOFL); 1655184610Salfred 1656184610Salfred /* 1657184610Salfred * check if the frame index is within the window where the 1658184610Salfred * frames will be inserted 1659184610Salfred */ 1660184610Salfred temp = (nframes - xfer->pipe->isoc_next) & USS820_SOFL_MASK; 1661184610Salfred 1662184610Salfred if ((xfer->pipe->is_synced == 0) || 1663184610Salfred (temp < xfer->nframes)) { 1664184610Salfred /* 1665184610Salfred * If there is data underflow or the pipe queue is 1666184610Salfred * empty we schedule the transfer a few frames ahead 1667184610Salfred * of the current frame position. Else two isochronous 1668184610Salfred * transfers might overlap. 1669184610Salfred */ 1670184610Salfred xfer->pipe->isoc_next = (nframes + 3) & USS820_SOFL_MASK; 1671184610Salfred xfer->pipe->is_synced = 1; 1672184610Salfred DPRINTFN(3, "start next=%d\n", xfer->pipe->isoc_next); 1673184610Salfred } 1674184610Salfred /* 1675184610Salfred * compute how many milliseconds the insertion is ahead of the 1676184610Salfred * current frame position: 1677184610Salfred */ 1678184610Salfred temp = (xfer->pipe->isoc_next - nframes) & USS820_SOFL_MASK; 1679184610Salfred 1680184610Salfred /* 1681184610Salfred * pre-compute when the isochronous transfer will be finished: 1682184610Salfred */ 1683184610Salfred xfer->isoc_time_complete = 1684184610Salfred usb2_isoc_time_expand(&sc->sc_bus, nframes) + temp + 1685184610Salfred xfer->nframes; 1686184610Salfred 1687184610Salfred /* compute frame number for next insertion */ 1688184610Salfred xfer->pipe->isoc_next += xfer->nframes; 1689184610Salfred 1690184610Salfred /* setup TDs */ 1691184610Salfred uss820dci_setup_standard_chain(xfer); 1692184610Salfred} 1693184610Salfred 1694184610Salfredstatic void 1695184610Salfreduss820dci_device_isoc_fs_start(struct usb2_xfer *xfer) 1696184610Salfred{ 1697184610Salfred /* start TD chain */ 1698184610Salfred uss820dci_start_standard_chain(xfer); 1699184610Salfred} 1700184610Salfred 1701184610Salfredstruct usb2_pipe_methods uss820dci_device_isoc_fs_methods = 1702184610Salfred{ 1703184610Salfred .open = uss820dci_device_isoc_fs_open, 1704184610Salfred .close = uss820dci_device_isoc_fs_close, 1705184610Salfred .enter = uss820dci_device_isoc_fs_enter, 1706184610Salfred .start = uss820dci_device_isoc_fs_start, 1707184610Salfred .enter_is_cancelable = 1, 1708184610Salfred .start_is_cancelable = 1, 1709184610Salfred}; 1710184610Salfred 1711184610Salfred/*------------------------------------------------------------------------* 1712184610Salfred * at91dci root control support 1713184610Salfred *------------------------------------------------------------------------* 1714190735Sthompsa * Simulate a hardware HUB by handling all the necessary requests. 1715184610Salfred *------------------------------------------------------------------------*/ 1716184610Salfred 1717184610Salfredstatic const struct usb2_device_descriptor uss820dci_devd = { 1718184610Salfred .bLength = sizeof(struct usb2_device_descriptor), 1719184610Salfred .bDescriptorType = UDESC_DEVICE, 1720184610Salfred .bcdUSB = {0x00, 0x02}, 1721184610Salfred .bDeviceClass = UDCLASS_HUB, 1722184610Salfred .bDeviceSubClass = UDSUBCLASS_HUB, 1723184610Salfred .bDeviceProtocol = UDPROTO_HSHUBSTT, 1724184610Salfred .bMaxPacketSize = 64, 1725184610Salfred .bcdDevice = {0x00, 0x01}, 1726184610Salfred .iManufacturer = 1, 1727184610Salfred .iProduct = 2, 1728184610Salfred .bNumConfigurations = 1, 1729184610Salfred}; 1730184610Salfred 1731184610Salfredstatic const struct usb2_device_qualifier uss820dci_odevd = { 1732184610Salfred .bLength = sizeof(struct usb2_device_qualifier), 1733184610Salfred .bDescriptorType = UDESC_DEVICE_QUALIFIER, 1734184610Salfred .bcdUSB = {0x00, 0x02}, 1735184610Salfred .bDeviceClass = UDCLASS_HUB, 1736184610Salfred .bDeviceSubClass = UDSUBCLASS_HUB, 1737184610Salfred .bDeviceProtocol = UDPROTO_FSHUB, 1738184610Salfred .bMaxPacketSize0 = 0, 1739184610Salfred .bNumConfigurations = 0, 1740184610Salfred}; 1741184610Salfred 1742184610Salfredstatic const struct uss820dci_config_desc uss820dci_confd = { 1743184610Salfred .confd = { 1744184610Salfred .bLength = sizeof(struct usb2_config_descriptor), 1745184610Salfred .bDescriptorType = UDESC_CONFIG, 1746184610Salfred .wTotalLength[0] = sizeof(uss820dci_confd), 1747184610Salfred .bNumInterface = 1, 1748184610Salfred .bConfigurationValue = 1, 1749184610Salfred .iConfiguration = 0, 1750184610Salfred .bmAttributes = UC_SELF_POWERED, 1751184610Salfred .bMaxPower = 0, 1752184610Salfred }, 1753184610Salfred .ifcd = { 1754184610Salfred .bLength = sizeof(struct usb2_interface_descriptor), 1755184610Salfred .bDescriptorType = UDESC_INTERFACE, 1756184610Salfred .bNumEndpoints = 1, 1757184610Salfred .bInterfaceClass = UICLASS_HUB, 1758184610Salfred .bInterfaceSubClass = UISUBCLASS_HUB, 1759184610Salfred .bInterfaceProtocol = UIPROTO_HSHUBSTT, 1760184610Salfred }, 1761184610Salfred 1762184610Salfred .endpd = { 1763184610Salfred .bLength = sizeof(struct usb2_endpoint_descriptor), 1764184610Salfred .bDescriptorType = UDESC_ENDPOINT, 1765184610Salfred .bEndpointAddress = (UE_DIR_IN | USS820_DCI_INTR_ENDPT), 1766184610Salfred .bmAttributes = UE_INTERRUPT, 1767184610Salfred .wMaxPacketSize[0] = 8, 1768184610Salfred .bInterval = 255, 1769184610Salfred }, 1770184610Salfred}; 1771184610Salfred 1772184610Salfredstatic const struct usb2_hub_descriptor_min uss820dci_hubd = { 1773184610Salfred .bDescLength = sizeof(uss820dci_hubd), 1774184610Salfred .bDescriptorType = UDESC_HUB, 1775184610Salfred .bNbrPorts = 1, 1776184610Salfred .wHubCharacteristics[0] = 1777184610Salfred (UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL) & 0xFF, 1778184610Salfred .wHubCharacteristics[1] = 1779187183Sthompsa (UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL) >> 8, 1780184610Salfred .bPwrOn2PwrGood = 50, 1781184610Salfred .bHubContrCurrent = 0, 1782184610Salfred .DeviceRemovable = {0}, /* port is removable */ 1783184610Salfred}; 1784184610Salfred 1785184610Salfred#define STRING_LANG \ 1786184610Salfred 0x09, 0x04, /* American English */ 1787184610Salfred 1788184610Salfred#define STRING_VENDOR \ 1789184610Salfred 'A', 0, 'G', 0, 'E', 0, 'R', 0, 'E', 0 1790184610Salfred 1791184610Salfred#define STRING_PRODUCT \ 1792184610Salfred 'D', 0, 'C', 0, 'I', 0, ' ', 0, 'R', 0, \ 1793184610Salfred 'o', 0, 'o', 0, 't', 0, ' ', 0, 'H', 0, \ 1794184610Salfred 'U', 0, 'B', 0, 1795184610Salfred 1796184610SalfredUSB_MAKE_STRING_DESC(STRING_LANG, uss820dci_langtab); 1797184610SalfredUSB_MAKE_STRING_DESC(STRING_VENDOR, uss820dci_vendor); 1798184610SalfredUSB_MAKE_STRING_DESC(STRING_PRODUCT, uss820dci_product); 1799184610Salfred 1800184610Salfredstatic void 1801190735Sthompsauss820dci_roothub_exec(struct usb2_bus *bus) 1802184610Salfred{ 1803190735Sthompsa struct uss820dci_softc *sc = USS820_DCI_BUS2SC(bus); 1804190735Sthompsa struct usb2_sw_transfer *std = &sc->sc_bus.roothub_req; 1805184610Salfred uint16_t value; 1806184610Salfred uint16_t index; 1807184610Salfred 1808184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 1809184610Salfred 1810184610Salfred /* buffer reset */ 1811184610Salfred std->ptr = USB_ADD_BYTES(&sc->sc_hub_temp, 0); 1812184610Salfred std->len = 0; 1813184610Salfred 1814184610Salfred value = UGETW(std->req.wValue); 1815184610Salfred index = UGETW(std->req.wIndex); 1816184610Salfred 1817184610Salfred /* demultiplex the control request */ 1818184610Salfred 1819184610Salfred switch (std->req.bmRequestType) { 1820184610Salfred case UT_READ_DEVICE: 1821184610Salfred switch (std->req.bRequest) { 1822184610Salfred case UR_GET_DESCRIPTOR: 1823184610Salfred goto tr_handle_get_descriptor; 1824184610Salfred case UR_GET_CONFIG: 1825184610Salfred goto tr_handle_get_config; 1826184610Salfred case UR_GET_STATUS: 1827184610Salfred goto tr_handle_get_status; 1828184610Salfred default: 1829184610Salfred goto tr_stalled; 1830184610Salfred } 1831184610Salfred break; 1832184610Salfred 1833184610Salfred case UT_WRITE_DEVICE: 1834184610Salfred switch (std->req.bRequest) { 1835184610Salfred case UR_SET_ADDRESS: 1836184610Salfred goto tr_handle_set_address; 1837184610Salfred case UR_SET_CONFIG: 1838184610Salfred goto tr_handle_set_config; 1839184610Salfred case UR_CLEAR_FEATURE: 1840184610Salfred goto tr_valid; /* nop */ 1841184610Salfred case UR_SET_DESCRIPTOR: 1842184610Salfred goto tr_valid; /* nop */ 1843184610Salfred case UR_SET_FEATURE: 1844184610Salfred default: 1845184610Salfred goto tr_stalled; 1846184610Salfred } 1847184610Salfred break; 1848184610Salfred 1849184610Salfred case UT_WRITE_ENDPOINT: 1850184610Salfred switch (std->req.bRequest) { 1851184610Salfred case UR_CLEAR_FEATURE: 1852184610Salfred switch (UGETW(std->req.wValue)) { 1853184610Salfred case UF_ENDPOINT_HALT: 1854184610Salfred goto tr_handle_clear_halt; 1855184610Salfred case UF_DEVICE_REMOTE_WAKEUP: 1856184610Salfred goto tr_handle_clear_wakeup; 1857184610Salfred default: 1858184610Salfred goto tr_stalled; 1859184610Salfred } 1860184610Salfred break; 1861184610Salfred case UR_SET_FEATURE: 1862184610Salfred switch (UGETW(std->req.wValue)) { 1863184610Salfred case UF_ENDPOINT_HALT: 1864184610Salfred goto tr_handle_set_halt; 1865184610Salfred case UF_DEVICE_REMOTE_WAKEUP: 1866184610Salfred goto tr_handle_set_wakeup; 1867184610Salfred default: 1868184610Salfred goto tr_stalled; 1869184610Salfred } 1870184610Salfred break; 1871184610Salfred case UR_SYNCH_FRAME: 1872184610Salfred goto tr_valid; /* nop */ 1873184610Salfred default: 1874184610Salfred goto tr_stalled; 1875184610Salfred } 1876184610Salfred break; 1877184610Salfred 1878184610Salfred case UT_READ_ENDPOINT: 1879184610Salfred switch (std->req.bRequest) { 1880184610Salfred case UR_GET_STATUS: 1881184610Salfred goto tr_handle_get_ep_status; 1882184610Salfred default: 1883184610Salfred goto tr_stalled; 1884184610Salfred } 1885184610Salfred break; 1886184610Salfred 1887184610Salfred case UT_WRITE_INTERFACE: 1888184610Salfred switch (std->req.bRequest) { 1889184610Salfred case UR_SET_INTERFACE: 1890184610Salfred goto tr_handle_set_interface; 1891184610Salfred case UR_CLEAR_FEATURE: 1892184610Salfred goto tr_valid; /* nop */ 1893184610Salfred case UR_SET_FEATURE: 1894184610Salfred default: 1895184610Salfred goto tr_stalled; 1896184610Salfred } 1897184610Salfred break; 1898184610Salfred 1899184610Salfred case UT_READ_INTERFACE: 1900184610Salfred switch (std->req.bRequest) { 1901184610Salfred case UR_GET_INTERFACE: 1902184610Salfred goto tr_handle_get_interface; 1903184610Salfred case UR_GET_STATUS: 1904184610Salfred goto tr_handle_get_iface_status; 1905184610Salfred default: 1906184610Salfred goto tr_stalled; 1907184610Salfred } 1908184610Salfred break; 1909184610Salfred 1910184610Salfred case UT_WRITE_CLASS_INTERFACE: 1911184610Salfred case UT_WRITE_VENDOR_INTERFACE: 1912184610Salfred /* XXX forward */ 1913184610Salfred break; 1914184610Salfred 1915184610Salfred case UT_READ_CLASS_INTERFACE: 1916184610Salfred case UT_READ_VENDOR_INTERFACE: 1917184610Salfred /* XXX forward */ 1918184610Salfred break; 1919184610Salfred 1920184610Salfred case UT_WRITE_CLASS_DEVICE: 1921184610Salfred switch (std->req.bRequest) { 1922184610Salfred case UR_CLEAR_FEATURE: 1923184610Salfred goto tr_valid; 1924184610Salfred case UR_SET_DESCRIPTOR: 1925184610Salfred case UR_SET_FEATURE: 1926184610Salfred break; 1927184610Salfred default: 1928184610Salfred goto tr_stalled; 1929184610Salfred } 1930184610Salfred break; 1931184610Salfred 1932184610Salfred case UT_WRITE_CLASS_OTHER: 1933184610Salfred switch (std->req.bRequest) { 1934184610Salfred case UR_CLEAR_FEATURE: 1935184610Salfred goto tr_handle_clear_port_feature; 1936184610Salfred case UR_SET_FEATURE: 1937184610Salfred goto tr_handle_set_port_feature; 1938184610Salfred case UR_CLEAR_TT_BUFFER: 1939184610Salfred case UR_RESET_TT: 1940184610Salfred case UR_STOP_TT: 1941184610Salfred goto tr_valid; 1942184610Salfred 1943184610Salfred default: 1944184610Salfred goto tr_stalled; 1945184610Salfred } 1946184610Salfred break; 1947184610Salfred 1948184610Salfred case UT_READ_CLASS_OTHER: 1949184610Salfred switch (std->req.bRequest) { 1950184610Salfred case UR_GET_TT_STATE: 1951184610Salfred goto tr_handle_get_tt_state; 1952184610Salfred case UR_GET_STATUS: 1953184610Salfred goto tr_handle_get_port_status; 1954184610Salfred default: 1955184610Salfred goto tr_stalled; 1956184610Salfred } 1957184610Salfred break; 1958184610Salfred 1959184610Salfred case UT_READ_CLASS_DEVICE: 1960184610Salfred switch (std->req.bRequest) { 1961184610Salfred case UR_GET_DESCRIPTOR: 1962184610Salfred goto tr_handle_get_class_descriptor; 1963184610Salfred case UR_GET_STATUS: 1964184610Salfred goto tr_handle_get_class_status; 1965184610Salfred 1966184610Salfred default: 1967184610Salfred goto tr_stalled; 1968184610Salfred } 1969184610Salfred break; 1970184610Salfred default: 1971184610Salfred goto tr_stalled; 1972184610Salfred } 1973184610Salfred goto tr_valid; 1974184610Salfred 1975184610Salfredtr_handle_get_descriptor: 1976184610Salfred switch (value >> 8) { 1977184610Salfred case UDESC_DEVICE: 1978184610Salfred if (value & 0xff) { 1979184610Salfred goto tr_stalled; 1980184610Salfred } 1981184610Salfred std->len = sizeof(uss820dci_devd); 1982184610Salfred std->ptr = USB_ADD_BYTES(&uss820dci_devd, 0); 1983184610Salfred goto tr_valid; 1984184610Salfred case UDESC_CONFIG: 1985184610Salfred if (value & 0xff) { 1986184610Salfred goto tr_stalled; 1987184610Salfred } 1988184610Salfred std->len = sizeof(uss820dci_confd); 1989184610Salfred std->ptr = USB_ADD_BYTES(&uss820dci_confd, 0); 1990184610Salfred goto tr_valid; 1991184610Salfred case UDESC_STRING: 1992184610Salfred switch (value & 0xff) { 1993184610Salfred case 0: /* Language table */ 1994184610Salfred std->len = sizeof(uss820dci_langtab); 1995184610Salfred std->ptr = USB_ADD_BYTES(&uss820dci_langtab, 0); 1996184610Salfred goto tr_valid; 1997184610Salfred 1998184610Salfred case 1: /* Vendor */ 1999184610Salfred std->len = sizeof(uss820dci_vendor); 2000184610Salfred std->ptr = USB_ADD_BYTES(&uss820dci_vendor, 0); 2001184610Salfred goto tr_valid; 2002184610Salfred 2003184610Salfred case 2: /* Product */ 2004184610Salfred std->len = sizeof(uss820dci_product); 2005184610Salfred std->ptr = USB_ADD_BYTES(&uss820dci_product, 0); 2006184610Salfred goto tr_valid; 2007184610Salfred default: 2008184610Salfred break; 2009184610Salfred } 2010184610Salfred break; 2011184610Salfred default: 2012184610Salfred goto tr_stalled; 2013184610Salfred } 2014184610Salfred goto tr_stalled; 2015184610Salfred 2016184610Salfredtr_handle_get_config: 2017184610Salfred std->len = 1; 2018184610Salfred sc->sc_hub_temp.wValue[0] = sc->sc_conf; 2019184610Salfred goto tr_valid; 2020184610Salfred 2021184610Salfredtr_handle_get_status: 2022184610Salfred std->len = 2; 2023184610Salfred USETW(sc->sc_hub_temp.wValue, UDS_SELF_POWERED); 2024184610Salfred goto tr_valid; 2025184610Salfred 2026184610Salfredtr_handle_set_address: 2027184610Salfred if (value & 0xFF00) { 2028184610Salfred goto tr_stalled; 2029184610Salfred } 2030184610Salfred sc->sc_rt_addr = value; 2031184610Salfred goto tr_valid; 2032184610Salfred 2033184610Salfredtr_handle_set_config: 2034184610Salfred if (value >= 2) { 2035184610Salfred goto tr_stalled; 2036184610Salfred } 2037184610Salfred sc->sc_conf = value; 2038184610Salfred goto tr_valid; 2039184610Salfred 2040184610Salfredtr_handle_get_interface: 2041184610Salfred std->len = 1; 2042184610Salfred sc->sc_hub_temp.wValue[0] = 0; 2043184610Salfred goto tr_valid; 2044184610Salfred 2045184610Salfredtr_handle_get_tt_state: 2046184610Salfredtr_handle_get_class_status: 2047184610Salfredtr_handle_get_iface_status: 2048184610Salfredtr_handle_get_ep_status: 2049184610Salfred std->len = 2; 2050184610Salfred USETW(sc->sc_hub_temp.wValue, 0); 2051184610Salfred goto tr_valid; 2052184610Salfred 2053184610Salfredtr_handle_set_halt: 2054184610Salfredtr_handle_set_interface: 2055184610Salfredtr_handle_set_wakeup: 2056184610Salfredtr_handle_clear_wakeup: 2057184610Salfredtr_handle_clear_halt: 2058184610Salfred goto tr_valid; 2059184610Salfred 2060184610Salfredtr_handle_clear_port_feature: 2061184610Salfred if (index != 1) { 2062184610Salfred goto tr_stalled; 2063184610Salfred } 2064184610Salfred DPRINTFN(9, "UR_CLEAR_PORT_FEATURE on port %d\n", index); 2065184610Salfred 2066184610Salfred switch (value) { 2067184610Salfred case UHF_PORT_SUSPEND: 2068184610Salfred uss820dci_wakeup_peer(sc); 2069184610Salfred break; 2070184610Salfred 2071184610Salfred case UHF_PORT_ENABLE: 2072184610Salfred sc->sc_flags.port_enabled = 0; 2073184610Salfred break; 2074184610Salfred 2075184610Salfred case UHF_PORT_TEST: 2076184610Salfred case UHF_PORT_INDICATOR: 2077184610Salfred case UHF_C_PORT_ENABLE: 2078184610Salfred case UHF_C_PORT_OVER_CURRENT: 2079184610Salfred case UHF_C_PORT_RESET: 2080184610Salfred /* nops */ 2081184610Salfred break; 2082184610Salfred case UHF_PORT_POWER: 2083184610Salfred sc->sc_flags.port_powered = 0; 2084184610Salfred uss820dci_pull_down(sc); 2085184610Salfred break; 2086184610Salfred case UHF_C_PORT_CONNECTION: 2087184610Salfred sc->sc_flags.change_connect = 0; 2088184610Salfred break; 2089184610Salfred case UHF_C_PORT_SUSPEND: 2090184610Salfred sc->sc_flags.change_suspend = 0; 2091184610Salfred break; 2092184610Salfred default: 2093184610Salfred std->err = USB_ERR_IOERROR; 2094184610Salfred goto done; 2095184610Salfred } 2096184610Salfred goto tr_valid; 2097184610Salfred 2098184610Salfredtr_handle_set_port_feature: 2099184610Salfred if (index != 1) { 2100184610Salfred goto tr_stalled; 2101184610Salfred } 2102184610Salfred DPRINTFN(9, "UR_SET_PORT_FEATURE\n"); 2103184610Salfred 2104184610Salfred switch (value) { 2105184610Salfred case UHF_PORT_ENABLE: 2106184610Salfred sc->sc_flags.port_enabled = 1; 2107184610Salfred break; 2108184610Salfred case UHF_PORT_SUSPEND: 2109184610Salfred case UHF_PORT_RESET: 2110184610Salfred case UHF_PORT_TEST: 2111184610Salfred case UHF_PORT_INDICATOR: 2112184610Salfred /* nops */ 2113184610Salfred break; 2114184610Salfred case UHF_PORT_POWER: 2115184610Salfred sc->sc_flags.port_powered = 1; 2116184610Salfred break; 2117184610Salfred default: 2118184610Salfred std->err = USB_ERR_IOERROR; 2119184610Salfred goto done; 2120184610Salfred } 2121184610Salfred goto tr_valid; 2122184610Salfred 2123184610Salfredtr_handle_get_port_status: 2124184610Salfred 2125184610Salfred DPRINTFN(9, "UR_GET_PORT_STATUS\n"); 2126184610Salfred 2127184610Salfred if (index != 1) { 2128184610Salfred goto tr_stalled; 2129184610Salfred } 2130184610Salfred if (sc->sc_flags.status_vbus) { 2131184610Salfred uss820dci_pull_up(sc); 2132184610Salfred } else { 2133184610Salfred uss820dci_pull_down(sc); 2134184610Salfred } 2135184610Salfred 2136184610Salfred /* Select FULL-speed and Device Side Mode */ 2137184610Salfred 2138184610Salfred value = UPS_PORT_MODE_DEVICE; 2139184610Salfred 2140184610Salfred if (sc->sc_flags.port_powered) { 2141184610Salfred value |= UPS_PORT_POWER; 2142184610Salfred } 2143184610Salfred if (sc->sc_flags.port_enabled) { 2144184610Salfred value |= UPS_PORT_ENABLED; 2145184610Salfred } 2146184610Salfred if (sc->sc_flags.status_vbus && 2147184610Salfred sc->sc_flags.status_bus_reset) { 2148184610Salfred value |= UPS_CURRENT_CONNECT_STATUS; 2149184610Salfred } 2150184610Salfred if (sc->sc_flags.status_suspend) { 2151184610Salfred value |= UPS_SUSPEND; 2152184610Salfred } 2153184610Salfred USETW(sc->sc_hub_temp.ps.wPortStatus, value); 2154184610Salfred 2155184610Salfred value = 0; 2156184610Salfred 2157184610Salfred if (sc->sc_flags.change_connect) { 2158184610Salfred value |= UPS_C_CONNECT_STATUS; 2159184610Salfred } 2160184610Salfred if (sc->sc_flags.change_suspend) { 2161184610Salfred value |= UPS_C_SUSPEND; 2162184610Salfred } 2163184610Salfred USETW(sc->sc_hub_temp.ps.wPortChange, value); 2164184610Salfred std->len = sizeof(sc->sc_hub_temp.ps); 2165184610Salfred goto tr_valid; 2166184610Salfred 2167184610Salfredtr_handle_get_class_descriptor: 2168184610Salfred if (value & 0xFF) { 2169184610Salfred goto tr_stalled; 2170184610Salfred } 2171184610Salfred std->ptr = USB_ADD_BYTES(&uss820dci_hubd, 0); 2172184610Salfred std->len = sizeof(uss820dci_hubd); 2173184610Salfred goto tr_valid; 2174184610Salfred 2175184610Salfredtr_stalled: 2176184610Salfred std->err = USB_ERR_STALLED; 2177184610Salfredtr_valid: 2178184610Salfreddone: 2179184610Salfred return; 2180184610Salfred} 2181184610Salfred 2182184610Salfredstatic void 2183184610Salfreduss820dci_xfer_setup(struct usb2_setup_params *parm) 2184184610Salfred{ 2185184610Salfred const struct usb2_hw_ep_profile *pf; 2186184610Salfred struct uss820dci_softc *sc; 2187184610Salfred struct usb2_xfer *xfer; 2188184610Salfred void *last_obj; 2189184610Salfred uint32_t ntd; 2190184610Salfred uint32_t n; 2191184610Salfred uint8_t ep_no; 2192184610Salfred 2193184610Salfred sc = USS820_DCI_BUS2SC(parm->udev->bus); 2194184610Salfred xfer = parm->curr_xfer; 2195184610Salfred 2196184610Salfred /* 2197184610Salfred * NOTE: This driver does not use any of the parameters that 2198184610Salfred * are computed from the following values. Just set some 2199184610Salfred * reasonable dummies: 2200184610Salfred */ 2201184610Salfred parm->hc_max_packet_size = 0x500; 2202184610Salfred parm->hc_max_packet_count = 1; 2203184610Salfred parm->hc_max_frame_size = 0x500; 2204184610Salfred 2205184610Salfred usb2_transfer_setup_sub(parm); 2206184610Salfred 2207184610Salfred /* 2208184610Salfred * compute maximum number of TDs 2209184610Salfred */ 2210184610Salfred if (parm->methods == &uss820dci_device_ctrl_methods) { 2211184610Salfred 2212184610Salfred ntd = xfer->nframes + 1 /* STATUS */ + 1 /* SYNC */ ; 2213184610Salfred 2214184610Salfred } else if (parm->methods == &uss820dci_device_bulk_methods) { 2215184610Salfred 2216184610Salfred ntd = xfer->nframes + 1 /* SYNC */ ; 2217184610Salfred 2218184610Salfred } else if (parm->methods == &uss820dci_device_intr_methods) { 2219184610Salfred 2220184610Salfred ntd = xfer->nframes + 1 /* SYNC */ ; 2221184610Salfred 2222184610Salfred } else if (parm->methods == &uss820dci_device_isoc_fs_methods) { 2223184610Salfred 2224184610Salfred ntd = xfer->nframes + 1 /* SYNC */ ; 2225184610Salfred 2226184610Salfred } else { 2227184610Salfred 2228184610Salfred ntd = 0; 2229184610Salfred } 2230184610Salfred 2231184610Salfred /* 2232184610Salfred * check if "usb2_transfer_setup_sub" set an error 2233184610Salfred */ 2234184610Salfred if (parm->err) { 2235184610Salfred return; 2236184610Salfred } 2237184610Salfred /* 2238184610Salfred * allocate transfer descriptors 2239184610Salfred */ 2240184610Salfred last_obj = NULL; 2241184610Salfred 2242184610Salfred /* 2243184610Salfred * get profile stuff 2244184610Salfred */ 2245184610Salfred if (ntd) { 2246184610Salfred 2247184610Salfred ep_no = xfer->endpoint & UE_ADDR; 2248184610Salfred uss820dci_get_hw_ep_profile(parm->udev, &pf, ep_no); 2249184610Salfred 2250184610Salfred if (pf == NULL) { 2251184610Salfred /* should not happen */ 2252184610Salfred parm->err = USB_ERR_INVAL; 2253184610Salfred return; 2254184610Salfred } 2255184610Salfred } else { 2256184610Salfred ep_no = 0; 2257184610Salfred pf = NULL; 2258184610Salfred } 2259184610Salfred 2260184610Salfred /* align data */ 2261184610Salfred parm->size[0] += ((-parm->size[0]) & (USB_HOST_ALIGN - 1)); 2262184610Salfred 2263184610Salfred for (n = 0; n != ntd; n++) { 2264184610Salfred 2265184610Salfred struct uss820dci_td *td; 2266184610Salfred 2267184610Salfred if (parm->buf) { 2268184610Salfred 2269184610Salfred td = USB_ADD_BYTES(parm->buf, parm->size[0]); 2270184610Salfred 2271184610Salfred /* init TD */ 2272184610Salfred td->io_tag = sc->sc_io_tag; 2273184610Salfred td->io_hdl = sc->sc_io_hdl; 2274184610Salfred td->max_packet_size = xfer->max_packet_size; 2275184610Salfred td->rx_stat_reg = USS820_GET_REG(sc, USS820_RXSTAT); 2276184610Salfred td->tx_stat_reg = USS820_GET_REG(sc, USS820_TXSTAT); 2277184610Salfred td->rx_flag_reg = USS820_GET_REG(sc, USS820_RXFLG); 2278184610Salfred td->tx_flag_reg = USS820_GET_REG(sc, USS820_TXFLG); 2279184610Salfred td->rx_fifo_reg = USS820_GET_REG(sc, USS820_RXDAT); 2280184610Salfred td->tx_fifo_reg = USS820_GET_REG(sc, USS820_TXDAT); 2281184610Salfred td->rx_count_low_reg = USS820_GET_REG(sc, USS820_RXCNTL); 2282184610Salfred td->rx_count_high_reg = USS820_GET_REG(sc, USS820_RXCNTH); 2283184610Salfred td->tx_count_low_reg = USS820_GET_REG(sc, USS820_TXCNTL); 2284184610Salfred td->tx_count_high_reg = USS820_GET_REG(sc, USS820_TXCNTH); 2285184610Salfred td->rx_cntl_reg = USS820_GET_REG(sc, USS820_RXCON); 2286184610Salfred td->tx_cntl_reg = USS820_GET_REG(sc, USS820_TXCON); 2287184610Salfred td->pend_reg = USS820_GET_REG(sc, USS820_PEND); 2288184610Salfred td->ep_reg = USS820_GET_REG(sc, USS820_EPINDEX); 2289184610Salfred td->ep_index = ep_no; 2290184610Salfred if (pf->support_multi_buffer && 2291184610Salfred (parm->methods != &uss820dci_device_ctrl_methods)) { 2292184610Salfred td->support_multi_buffer = 1; 2293184610Salfred } 2294184610Salfred td->obj_next = last_obj; 2295184610Salfred 2296184610Salfred last_obj = td; 2297184610Salfred } 2298184610Salfred parm->size[0] += sizeof(*td); 2299184610Salfred } 2300184610Salfred 2301184610Salfred xfer->td_start[0] = last_obj; 2302184610Salfred} 2303184610Salfred 2304184610Salfredstatic void 2305184610Salfreduss820dci_xfer_unsetup(struct usb2_xfer *xfer) 2306184610Salfred{ 2307184610Salfred return; 2308184610Salfred} 2309184610Salfred 2310184610Salfredstatic void 2311184610Salfreduss820dci_pipe_init(struct usb2_device *udev, struct usb2_endpoint_descriptor *edesc, 2312184610Salfred struct usb2_pipe *pipe) 2313184610Salfred{ 2314184610Salfred struct uss820dci_softc *sc = USS820_DCI_BUS2SC(udev->bus); 2315184610Salfred 2316184610Salfred DPRINTFN(2, "pipe=%p, addr=%d, endpt=%d, mode=%d (%d)\n", 2317184610Salfred pipe, udev->address, 2318184610Salfred edesc->bEndpointAddress, udev->flags.usb2_mode, 2319184610Salfred sc->sc_rt_addr); 2320184610Salfred 2321190735Sthompsa if (udev->device_index != sc->sc_rt_addr) { 2322184610Salfred 2323184610Salfred if (udev->flags.usb2_mode != USB_MODE_DEVICE) { 2324184610Salfred /* not supported */ 2325184610Salfred return; 2326184610Salfred } 2327184610Salfred if (udev->speed != USB_SPEED_FULL) { 2328184610Salfred /* not supported */ 2329184610Salfred return; 2330184610Salfred } 2331184610Salfred switch (edesc->bmAttributes & UE_XFERTYPE) { 2332184610Salfred case UE_CONTROL: 2333184610Salfred pipe->methods = &uss820dci_device_ctrl_methods; 2334184610Salfred break; 2335184610Salfred case UE_INTERRUPT: 2336184610Salfred pipe->methods = &uss820dci_device_intr_methods; 2337184610Salfred break; 2338184610Salfred case UE_ISOCHRONOUS: 2339184610Salfred pipe->methods = &uss820dci_device_isoc_fs_methods; 2340184610Salfred break; 2341184610Salfred case UE_BULK: 2342184610Salfred pipe->methods = &uss820dci_device_bulk_methods; 2343184610Salfred break; 2344184610Salfred default: 2345184610Salfred /* do nothing */ 2346184610Salfred break; 2347184610Salfred } 2348184610Salfred } 2349184610Salfred} 2350184610Salfred 2351184610Salfredstruct usb2_bus_methods uss820dci_bus_methods = 2352184610Salfred{ 2353184610Salfred .pipe_init = &uss820dci_pipe_init, 2354184610Salfred .xfer_setup = &uss820dci_xfer_setup, 2355184610Salfred .xfer_unsetup = &uss820dci_xfer_unsetup, 2356184610Salfred .get_hw_ep_profile = &uss820dci_get_hw_ep_profile, 2357184610Salfred .set_stall = &uss820dci_set_stall, 2358184610Salfred .clear_stall = &uss820dci_clear_stall, 2359190735Sthompsa .roothub_exec = &uss820dci_roothub_exec, 2360184610Salfred}; 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