uss820dci.c revision 186730
1184610Salfred/* $FreeBSD: head/sys/dev/usb2/controller/uss820dci.c 186730 2009-01-04 00:12:01Z alfred $ */ 2184610Salfred/*- 3184610Salfred * 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 35184610Salfred#include <dev/usb2/include/usb2_standard.h> 36184610Salfred#include <dev/usb2/include/usb2_mfunc.h> 37184610Salfred#include <dev/usb2/include/usb2_revision.h> 38184610Salfred#include <dev/usb2/include/usb2_error.h> 39184610Salfred#include <dev/usb2/include/usb2_defs.h> 40184610Salfred 41184610Salfred#define USB_DEBUG_VAR uss820dcidebug 42184610Salfred#define usb2_config_td_cc uss820dci_config_copy 43184610Salfred#define usb2_config_td_softc uss820dci_softc 44184610Salfred 45184610Salfred#include <dev/usb2/core/usb2_core.h> 46184610Salfred#include <dev/usb2/core/usb2_debug.h> 47184610Salfred#include <dev/usb2/core/usb2_busdma.h> 48184610Salfred#include <dev/usb2/core/usb2_process.h> 49184610Salfred#include <dev/usb2/core/usb2_config_td.h> 50184610Salfred#include <dev/usb2/core/usb2_sw_transfer.h> 51184610Salfred#include <dev/usb2/core/usb2_transfer.h> 52184610Salfred#include <dev/usb2/core/usb2_device.h> 53184610Salfred#include <dev/usb2/core/usb2_hub.h> 54184610Salfred#include <dev/usb2/core/usb2_util.h> 55184610Salfred 56184610Salfred#include <dev/usb2/controller/usb2_controller.h> 57184610Salfred#include <dev/usb2/controller/usb2_bus.h> 58184610Salfred#include <dev/usb2/controller/uss820dci.h> 59184610Salfred 60184610Salfred#define USS820_DCI_BUS2SC(bus) \ 61184610Salfred ((struct uss820dci_softc *)(((uint8_t *)(bus)) - \ 62184610Salfred USB_P2U(&(((struct uss820dci_softc *)0)->sc_bus)))) 63184610Salfred 64184610Salfred#define USS820_DCI_PC2SC(pc) \ 65184610Salfred USS820_DCI_BUS2SC((pc)->tag_parent->info->bus) 66184610Salfred 67184610Salfred#if USB_DEBUG 68184610Salfredstatic int uss820dcidebug = 0; 69184610Salfred 70184610SalfredSYSCTL_NODE(_hw_usb2, OID_AUTO, uss820dci, CTLFLAG_RW, 0, "USB uss820dci"); 71184610SalfredSYSCTL_INT(_hw_usb2_uss820dci, OID_AUTO, debug, CTLFLAG_RW, 72184610Salfred &uss820dcidebug, 0, "uss820dci debug level"); 73184610Salfred#endif 74184610Salfred 75184610Salfred#define USS820_DCI_INTR_ENDPT 1 76184610Salfred 77184610Salfred/* prototypes */ 78184610Salfred 79184610Salfredstruct usb2_bus_methods uss820dci_bus_methods; 80184610Salfredstruct usb2_pipe_methods uss820dci_device_bulk_methods; 81184610Salfredstruct usb2_pipe_methods uss820dci_device_ctrl_methods; 82184610Salfredstruct usb2_pipe_methods uss820dci_device_intr_methods; 83184610Salfredstruct usb2_pipe_methods uss820dci_device_isoc_fs_methods; 84184610Salfredstruct usb2_pipe_methods uss820dci_root_ctrl_methods; 85184610Salfredstruct usb2_pipe_methods uss820dci_root_intr_methods; 86184610Salfred 87184610Salfredstatic uss820dci_cmd_t uss820dci_setup_rx; 88184610Salfredstatic uss820dci_cmd_t uss820dci_data_rx; 89184610Salfredstatic uss820dci_cmd_t uss820dci_data_tx; 90184610Salfredstatic uss820dci_cmd_t uss820dci_data_tx_sync; 91185948Sthompsastatic void uss820dci_device_done(struct usb2_xfer *, usb2_error_t); 92185948Sthompsastatic void uss820dci_do_poll(struct usb2_bus *); 93185948Sthompsastatic void uss820dci_root_ctrl_poll(struct uss820dci_softc *); 94185948Sthompsastatic void uss820dci_standard_done(struct usb2_xfer *); 95185948Sthompsastatic void uss820dci_intr_set(struct usb2_xfer *, uint8_t); 96185948Sthompsastatic void uss820dci_update_shared_1(struct uss820dci_softc *, uint8_t, 97185948Sthompsa uint8_t, uint8_t); 98184610Salfred 99184610Salfredstatic usb2_sw_transfer_func_t uss820dci_root_intr_done; 100184610Salfredstatic usb2_sw_transfer_func_t uss820dci_root_ctrl_done; 101184610Salfredstatic usb2_config_td_command_t uss820dci_root_ctrl_task; 102184610Salfred 103184610Salfred/* 104184610Salfred * Here is a list of what the USS820D chip can support. The main 105184610Salfred * limitation is that the sum of the buffer sizes must be less than 106184610Salfred * 1120 bytes. 107184610Salfred */ 108184610Salfredstatic const struct usb2_hw_ep_profile 109184610Salfred uss820dci_ep_profile[] = { 110184610Salfred 111184610Salfred [0] = { 112184610Salfred .max_in_frame_size = 32, 113184610Salfred .max_out_frame_size = 32, 114184610Salfred .is_simplex = 0, 115184610Salfred .support_control = 1, 116184610Salfred }, 117184610Salfred [1] = { 118184610Salfred .max_in_frame_size = 64, 119184610Salfred .max_out_frame_size = 64, 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 [2] = { 128184610Salfred .max_in_frame_size = 8, 129184610Salfred .max_out_frame_size = 8, 130184610Salfred .is_simplex = 0, 131184610Salfred .support_multi_buffer = 1, 132184610Salfred .support_bulk = 1, 133184610Salfred .support_interrupt = 1, 134184610Salfred .support_in = 1, 135184610Salfred .support_out = 1, 136184610Salfred }, 137184610Salfred [3] = { 138184610Salfred .max_in_frame_size = 256, 139184610Salfred .max_out_frame_size = 256, 140184610Salfred .is_simplex = 0, 141184610Salfred .support_multi_buffer = 1, 142184610Salfred .support_isochronous = 1, 143184610Salfred .support_in = 1, 144184610Salfred .support_out = 1, 145184610Salfred }, 146184610Salfred}; 147184610Salfred 148184610Salfredstatic void 149184610Salfreduss820dci_update_shared_1(struct uss820dci_softc *sc, uint8_t reg, 150184610Salfred uint8_t keep_mask, uint8_t set_mask) 151184610Salfred{ 152184610Salfred uint8_t temp; 153184610Salfred 154184610Salfred USS820_WRITE_1(sc, USS820_PEND, 1); 155184610Salfred temp = USS820_READ_1(sc, reg); 156184610Salfred temp &= (keep_mask); 157184610Salfred temp |= (set_mask); 158184610Salfred USS820_WRITE_1(sc, reg, temp); 159184610Salfred USS820_WRITE_1(sc, USS820_PEND, 0); 160184610Salfred} 161184610Salfred 162184610Salfredstatic void 163184610Salfreduss820dci_get_hw_ep_profile(struct usb2_device *udev, 164184610Salfred const struct usb2_hw_ep_profile **ppf, uint8_t ep_addr) 165184610Salfred{ 166184610Salfred if (ep_addr == 0) { 167184610Salfred *ppf = uss820dci_ep_profile + 0; 168184610Salfred } else if (ep_addr < 5) { 169184610Salfred *ppf = uss820dci_ep_profile + 1; 170184610Salfred } else if (ep_addr < 7) { 171184610Salfred *ppf = uss820dci_ep_profile + 2; 172184610Salfred } else if (ep_addr == 7) { 173184610Salfred *ppf = uss820dci_ep_profile + 3; 174184610Salfred } else { 175184610Salfred *ppf = NULL; 176184610Salfred } 177184610Salfred} 178184610Salfred 179184610Salfredstatic void 180184610Salfreduss820dci_pull_up(struct uss820dci_softc *sc) 181184610Salfred{ 182184610Salfred uint8_t temp; 183184610Salfred 184184610Salfred /* pullup D+, if possible */ 185184610Salfred 186184610Salfred if (!sc->sc_flags.d_pulled_up && 187184610Salfred sc->sc_flags.port_powered) { 188184610Salfred sc->sc_flags.d_pulled_up = 1; 189184610Salfred 190184610Salfred DPRINTF("\n"); 191184610Salfred 192184610Salfred temp = USS820_READ_1(sc, USS820_MCSR); 193184610Salfred temp |= USS820_MCSR_DPEN; 194184610Salfred USS820_WRITE_1(sc, USS820_MCSR, temp); 195184610Salfred } 196184610Salfred} 197184610Salfred 198184610Salfredstatic void 199184610Salfreduss820dci_pull_down(struct uss820dci_softc *sc) 200184610Salfred{ 201184610Salfred uint8_t temp; 202184610Salfred 203184610Salfred /* pulldown D+, if possible */ 204184610Salfred 205184610Salfred if (sc->sc_flags.d_pulled_up) { 206184610Salfred sc->sc_flags.d_pulled_up = 0; 207184610Salfred 208184610Salfred DPRINTF("\n"); 209184610Salfred 210184610Salfred temp = USS820_READ_1(sc, USS820_MCSR); 211184610Salfred temp &= ~USS820_MCSR_DPEN; 212184610Salfred USS820_WRITE_1(sc, USS820_MCSR, temp); 213184610Salfred } 214184610Salfred} 215184610Salfred 216184610Salfredstatic void 217184610Salfreduss820dci_wakeup_peer(struct uss820dci_softc *sc) 218184610Salfred{ 219184610Salfred if (!(sc->sc_flags.status_suspend)) { 220184610Salfred return; 221184610Salfred } 222184610Salfred DPRINTFN(0, "not supported\n"); 223184610Salfred} 224184610Salfred 225184610Salfredstatic void 226184610Salfreduss820dci_set_address(struct uss820dci_softc *sc, uint8_t addr) 227184610Salfred{ 228184610Salfred DPRINTFN(5, "addr=%d\n", addr); 229184610Salfred 230184610Salfred USS820_WRITE_1(sc, USS820_FADDR, addr); 231184610Salfred} 232184610Salfred 233184610Salfredstatic uint8_t 234184610Salfreduss820dci_setup_rx(struct uss820dci_td *td) 235184610Salfred{ 236184610Salfred struct uss820dci_softc *sc; 237184610Salfred struct usb2_device_request req; 238184610Salfred uint16_t count; 239184610Salfred uint8_t rx_stat; 240184610Salfred uint8_t temp; 241184610Salfred 242184610Salfred /* select the correct endpoint */ 243184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 244184610Salfred td->ep_reg, td->ep_index); 245184610Salfred 246184610Salfred /* read out FIFO status */ 247184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 248184610Salfred td->rx_stat_reg); 249184610Salfred 250184610Salfred /* get pointer to softc */ 251184610Salfred sc = USS820_DCI_PC2SC(td->pc); 252184610Salfred 253184610Salfred DPRINTFN(5, "rx_stat=0x%02x rem=%u\n", rx_stat, td->remainder); 254184610Salfred 255184610Salfred if (!(rx_stat & USS820_RXSTAT_RXSETUP)) { 256184610Salfred /* abort any ongoing transfer */ 257184610Salfred if (!td->did_stall) { 258184610Salfred DPRINTFN(5, "stalling\n"); 259184610Salfred 260184610Salfred /* set stall */ 261184610Salfred 262184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, 263184610Salfred (USS820_EPCON_TXSTL | USS820_EPCON_RXSTL)); 264184610Salfred 265184610Salfred td->did_stall = 1; 266184610Salfred } 267184610Salfred goto not_complete; 268184610Salfred } 269184610Salfred /* clear stall and all I/O */ 270184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, 271184610Salfred 0xFF ^ (USS820_EPCON_TXSTL | 272184610Salfred USS820_EPCON_RXSTL | 273184610Salfred USS820_EPCON_RXIE | 274184610Salfred USS820_EPCON_TXOE), 0); 275184610Salfred 276184610Salfred /* clear end overwrite flag */ 277184610Salfred uss820dci_update_shared_1(sc, USS820_RXSTAT, 278184610Salfred 0xFF ^ USS820_RXSTAT_EDOVW, 0); 279184610Salfred 280184610Salfred /* get the packet byte count */ 281184610Salfred count = bus_space_read_1(td->io_tag, td->io_hdl, 282184610Salfred td->rx_count_low_reg); 283184610Salfred count |= (bus_space_read_1(td->io_tag, td->io_hdl, 284184610Salfred td->rx_count_high_reg) << 8); 285184610Salfred count &= 0x3FF; 286184610Salfred 287184610Salfred /* verify data length */ 288184610Salfred if (count != td->remainder) { 289184610Salfred DPRINTFN(0, "Invalid SETUP packet " 290184610Salfred "length, %d bytes\n", count); 291184610Salfred goto not_complete; 292184610Salfred } 293184610Salfred if (count != sizeof(req)) { 294184610Salfred DPRINTFN(0, "Unsupported SETUP packet " 295184610Salfred "length, %d bytes\n", count); 296184610Salfred goto not_complete; 297184610Salfred } 298184610Salfred /* receive data */ 299184610Salfred bus_space_read_multi_1(td->io_tag, td->io_hdl, 300184610Salfred td->rx_fifo_reg, (void *)&req, sizeof(req)); 301184610Salfred 302184610Salfred /* read out FIFO status */ 303184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 304184610Salfred td->rx_stat_reg); 305184610Salfred 306184610Salfred if (rx_stat & (USS820_RXSTAT_EDOVW | 307184610Salfred USS820_RXSTAT_STOVW)) { 308184610Salfred DPRINTF("new SETUP packet received\n"); 309184610Salfred return (1); /* not complete */ 310184610Salfred } 311184610Salfred /* clear receive setup bit */ 312184610Salfred uss820dci_update_shared_1(sc, USS820_RXSTAT, 313184610Salfred 0xFF ^ (USS820_RXSTAT_RXSETUP | 314184610Salfred USS820_RXSTAT_EDOVW | 315184610Salfred USS820_RXSTAT_STOVW), 0); 316184610Salfred 317184610Salfred /* set RXFFRC bit */ 318184610Salfred temp = bus_space_read_1(td->io_tag, td->io_hdl, 319184610Salfred td->rx_cntl_reg); 320184610Salfred temp |= USS820_RXCON_RXFFRC; 321184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 322184610Salfred td->rx_cntl_reg, temp); 323184610Salfred 324184610Salfred /* copy data into real buffer */ 325184610Salfred usb2_copy_in(td->pc, 0, &req, sizeof(req)); 326184610Salfred 327184610Salfred td->offset = sizeof(req); 328184610Salfred td->remainder = 0; 329184610Salfred 330184610Salfred /* sneak peek the set address */ 331184610Salfred if ((req.bmRequestType == UT_WRITE_DEVICE) && 332184610Salfred (req.bRequest == UR_SET_ADDRESS)) { 333184610Salfred sc->sc_dv_addr = req.wValue[0] & 0x7F; 334184610Salfred } else { 335184610Salfred sc->sc_dv_addr = 0xFF; 336184610Salfred } 337184610Salfred return (0); /* complete */ 338184610Salfred 339184610Salfrednot_complete: 340184610Salfred /* clear end overwrite flag, if any */ 341184610Salfred if (rx_stat & USS820_RXSTAT_RXSETUP) { 342184610Salfred uss820dci_update_shared_1(sc, USS820_RXSTAT, 343184610Salfred 0xFF ^ (USS820_RXSTAT_EDOVW | 344184610Salfred USS820_RXSTAT_STOVW | 345184610Salfred USS820_RXSTAT_RXSETUP), 0); 346184610Salfred } 347184610Salfred return (1); /* not complete */ 348184610Salfred 349184610Salfred} 350184610Salfred 351184610Salfredstatic uint8_t 352184610Salfreduss820dci_data_rx(struct uss820dci_td *td) 353184610Salfred{ 354184610Salfred struct usb2_page_search buf_res; 355184610Salfred uint16_t count; 356184610Salfred uint8_t rx_flag; 357184610Salfred uint8_t rx_stat; 358184610Salfred uint8_t rx_cntl; 359184610Salfred uint8_t to; 360184610Salfred uint8_t got_short; 361184610Salfred 362184610Salfred to = 2; /* don't loop forever! */ 363184610Salfred got_short = 0; 364184610Salfred 365184610Salfred /* select the correct endpoint */ 366184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, td->ep_reg, td->ep_index); 367184610Salfred 368184610Salfred /* check if any of the FIFO banks have data */ 369184610Salfredrepeat: 370184610Salfred /* read out FIFO flag */ 371184610Salfred rx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 372184610Salfred td->rx_flag_reg); 373184610Salfred /* read out FIFO status */ 374184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 375184610Salfred td->rx_stat_reg); 376184610Salfred 377184610Salfred DPRINTFN(5, "rx_stat=0x%02x rx_flag=0x%02x rem=%u\n", 378184610Salfred rx_stat, rx_flag, td->remainder); 379184610Salfred 380184610Salfred if (rx_stat & (USS820_RXSTAT_RXSETUP | 381184610Salfred USS820_RXSTAT_RXSOVW | 382184610Salfred USS820_RXSTAT_EDOVW)) { 383184610Salfred if (td->remainder == 0) { 384184610Salfred /* 385184610Salfred * We are actually complete and have 386184610Salfred * received the next SETUP 387184610Salfred */ 388184610Salfred DPRINTFN(5, "faking complete\n"); 389184610Salfred return (0); /* complete */ 390184610Salfred } 391184610Salfred /* 392184610Salfred * USB Host Aborted the transfer. 393184610Salfred */ 394184610Salfred td->error = 1; 395184610Salfred return (0); /* complete */ 396184610Salfred } 397184610Salfred /* check for errors */ 398184610Salfred if (rx_flag & (USS820_RXFLG_RXOVF | 399184610Salfred USS820_RXFLG_RXURF)) { 400184610Salfred DPRINTFN(5, "overflow or underflow\n"); 401184610Salfred /* should not happen */ 402184610Salfred td->error = 1; 403184610Salfred return (0); /* complete */ 404184610Salfred } 405184610Salfred /* check status */ 406184610Salfred if (!(rx_flag & (USS820_RXFLG_RXFIF0 | 407184610Salfred USS820_RXFLG_RXFIF1))) { 408184610Salfred 409184610Salfred /* read out EPCON register */ 410184610Salfred /* enable RX input */ 411184610Salfred if (!td->did_stall) { 412184610Salfred uss820dci_update_shared_1(USS820_DCI_PC2SC(td->pc), 413184610Salfred USS820_EPCON, 0xFF, USS820_EPCON_RXIE); 414184610Salfred td->did_stall = 1; 415184610Salfred } 416184610Salfred return (1); /* not complete */ 417184610Salfred } 418184610Salfred /* get the packet byte count */ 419184610Salfred count = bus_space_read_1(td->io_tag, td->io_hdl, 420184610Salfred td->rx_count_low_reg); 421184610Salfred 422184610Salfred count |= (bus_space_read_1(td->io_tag, td->io_hdl, 423184610Salfred td->rx_count_high_reg) << 8); 424184610Salfred count &= 0x3FF; 425184610Salfred 426184610Salfred DPRINTFN(5, "count=0x%04x\n", count); 427184610Salfred 428184610Salfred /* verify the packet byte count */ 429184610Salfred if (count != td->max_packet_size) { 430184610Salfred if (count < td->max_packet_size) { 431184610Salfred /* we have a short packet */ 432184610Salfred td->short_pkt = 1; 433184610Salfred got_short = 1; 434184610Salfred } else { 435184610Salfred /* invalid USB packet */ 436184610Salfred td->error = 1; 437184610Salfred return (0); /* we are complete */ 438184610Salfred } 439184610Salfred } 440184610Salfred /* verify the packet byte count */ 441184610Salfred if (count > td->remainder) { 442184610Salfred /* invalid USB packet */ 443184610Salfred td->error = 1; 444184610Salfred return (0); /* we are complete */ 445184610Salfred } 446184610Salfred while (count > 0) { 447184610Salfred usb2_get_page(td->pc, td->offset, &buf_res); 448184610Salfred 449184610Salfred /* get correct length */ 450184610Salfred if (buf_res.length > count) { 451184610Salfred buf_res.length = count; 452184610Salfred } 453184610Salfred /* receive data */ 454184610Salfred bus_space_read_multi_1(td->io_tag, td->io_hdl, 455184610Salfred td->rx_fifo_reg, buf_res.buffer, buf_res.length); 456184610Salfred 457184610Salfred /* update counters */ 458184610Salfred count -= buf_res.length; 459184610Salfred td->offset += buf_res.length; 460184610Salfred td->remainder -= buf_res.length; 461184610Salfred } 462184610Salfred 463184610Salfred /* set RXFFRC bit */ 464184610Salfred rx_cntl = bus_space_read_1(td->io_tag, td->io_hdl, 465184610Salfred td->rx_cntl_reg); 466184610Salfred rx_cntl |= USS820_RXCON_RXFFRC; 467184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 468184610Salfred td->rx_cntl_reg, rx_cntl); 469184610Salfred 470184610Salfred /* check if we are complete */ 471184610Salfred if ((td->remainder == 0) || got_short) { 472184610Salfred if (td->short_pkt) { 473184610Salfred /* we are complete */ 474184610Salfred return (0); 475184610Salfred } 476184610Salfred /* else need to receive a zero length packet */ 477184610Salfred } 478184610Salfred if (--to) { 479184610Salfred goto repeat; 480184610Salfred } 481184610Salfred return (1); /* not complete */ 482184610Salfred} 483184610Salfred 484184610Salfredstatic uint8_t 485184610Salfreduss820dci_data_tx(struct uss820dci_td *td) 486184610Salfred{ 487184610Salfred struct usb2_page_search buf_res; 488184610Salfred uint16_t count; 489184610Salfred uint16_t count_copy; 490184610Salfred uint8_t rx_stat; 491184610Salfred uint8_t tx_flag; 492184610Salfred uint8_t to; 493184610Salfred 494184610Salfred /* select the correct endpoint */ 495184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 496184610Salfred td->ep_reg, td->ep_index); 497184610Salfred 498184610Salfred to = 2; /* don't loop forever! */ 499184610Salfred 500184610Salfredrepeat: 501184610Salfred /* read out TX FIFO flags */ 502184610Salfred tx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 503184610Salfred td->tx_flag_reg); 504184610Salfred 505184610Salfred /* read out RX FIFO status last */ 506184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 507184610Salfred td->rx_stat_reg); 508184610Salfred 509184610Salfred DPRINTFN(5, "rx_stat=0x%02x tx_flag=0x%02x rem=%u\n", 510184610Salfred rx_stat, tx_flag, td->remainder); 511184610Salfred 512184610Salfred if (rx_stat & (USS820_RXSTAT_RXSETUP | 513184610Salfred USS820_RXSTAT_RXSOVW | 514184610Salfred USS820_RXSTAT_EDOVW)) { 515184610Salfred /* 516184610Salfred * The current transfer was aborted 517184610Salfred * by the USB Host 518184610Salfred */ 519184610Salfred td->error = 1; 520184610Salfred return (0); /* complete */ 521184610Salfred } 522184610Salfred if (tx_flag & (USS820_TXFLG_TXOVF | 523184610Salfred USS820_TXFLG_TXURF)) { 524184610Salfred td->error = 1; 525184610Salfred return (0); /* complete */ 526184610Salfred } 527184610Salfred if (tx_flag & USS820_TXFLG_TXFIF0) { 528184610Salfred if (tx_flag & USS820_TXFLG_TXFIF1) { 529184610Salfred return (1); /* not complete */ 530184610Salfred } 531184610Salfred } 532184610Salfred if ((!td->support_multi_buffer) && 533184610Salfred (tx_flag & (USS820_TXFLG_TXFIF0 | 534184610Salfred USS820_TXFLG_TXFIF1))) { 535184610Salfred return (1); /* not complete */ 536184610Salfred } 537184610Salfred count = td->max_packet_size; 538184610Salfred if (td->remainder < count) { 539184610Salfred /* we have a short packet */ 540184610Salfred td->short_pkt = 1; 541184610Salfred count = td->remainder; 542184610Salfred } 543184610Salfred count_copy = count; 544184610Salfred while (count > 0) { 545184610Salfred 546184610Salfred usb2_get_page(td->pc, td->offset, &buf_res); 547184610Salfred 548184610Salfred /* get correct length */ 549184610Salfred if (buf_res.length > count) { 550184610Salfred buf_res.length = count; 551184610Salfred } 552184610Salfred /* transmit data */ 553184610Salfred bus_space_write_multi_1(td->io_tag, td->io_hdl, 554184610Salfred td->tx_fifo_reg, buf_res.buffer, buf_res.length); 555184610Salfred 556184610Salfred /* update counters */ 557184610Salfred count -= buf_res.length; 558184610Salfred td->offset += buf_res.length; 559184610Salfred td->remainder -= buf_res.length; 560184610Salfred } 561184610Salfred 562184610Salfred /* post-write high packet byte count first */ 563184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 564184610Salfred td->tx_count_high_reg, count_copy >> 8); 565184610Salfred 566184610Salfred /* post-write low packet byte count last */ 567184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 568184610Salfred td->tx_count_low_reg, count_copy); 569184610Salfred 570184610Salfred /* 571184610Salfred * Enable TX output, which must happen after that we have written 572184610Salfred * data into the FIFO. This is undocumented. 573184610Salfred */ 574184610Salfred if (!td->did_stall) { 575184610Salfred uss820dci_update_shared_1(USS820_DCI_PC2SC(td->pc), 576184610Salfred USS820_EPCON, 0xFF, USS820_EPCON_TXOE); 577184610Salfred td->did_stall = 1; 578184610Salfred } 579184610Salfred /* check remainder */ 580184610Salfred if (td->remainder == 0) { 581184610Salfred if (td->short_pkt) { 582184610Salfred return (0); /* complete */ 583184610Salfred } 584184610Salfred /* else we need to transmit a short packet */ 585184610Salfred } 586184610Salfred if (--to) { 587184610Salfred goto repeat; 588184610Salfred } 589184610Salfred return (1); /* not complete */ 590184610Salfred} 591184610Salfred 592184610Salfredstatic uint8_t 593184610Salfreduss820dci_data_tx_sync(struct uss820dci_td *td) 594184610Salfred{ 595184610Salfred struct uss820dci_softc *sc; 596184610Salfred uint8_t rx_stat; 597184610Salfred uint8_t tx_flag; 598184610Salfred 599184610Salfred /* select the correct endpoint */ 600184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 601184610Salfred td->ep_reg, td->ep_index); 602184610Salfred 603184610Salfred /* read out TX FIFO flag */ 604184610Salfred tx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 605184610Salfred td->tx_flag_reg); 606184610Salfred 607184610Salfred /* read out RX FIFO status last */ 608184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 609184610Salfred td->rx_stat_reg); 610184610Salfred 611184610Salfred DPRINTFN(5, "rx_stat=0x%02x rem=%u\n", rx_stat, td->remainder); 612184610Salfred 613184610Salfred if (rx_stat & (USS820_RXSTAT_RXSETUP | 614184610Salfred USS820_RXSTAT_RXSOVW | 615184610Salfred USS820_RXSTAT_EDOVW)) { 616184610Salfred DPRINTFN(5, "faking complete\n"); 617184610Salfred /* Race condition */ 618184610Salfred return (0); /* complete */ 619184610Salfred } 620184610Salfred DPRINTFN(5, "tx_flag=0x%02x rem=%u\n", 621184610Salfred tx_flag, td->remainder); 622184610Salfred 623184610Salfred if (tx_flag & (USS820_TXFLG_TXOVF | 624184610Salfred USS820_TXFLG_TXURF)) { 625184610Salfred td->error = 1; 626184610Salfred return (0); /* complete */ 627184610Salfred } 628184610Salfred if (tx_flag & (USS820_TXFLG_TXFIF0 | 629184610Salfred USS820_TXFLG_TXFIF1)) { 630184610Salfred return (1); /* not complete */ 631184610Salfred } 632184610Salfred sc = USS820_DCI_PC2SC(td->pc); 633184610Salfred if (sc->sc_dv_addr != 0xFF) { 634184610Salfred /* write function address */ 635184610Salfred uss820dci_set_address(sc, sc->sc_dv_addr); 636184610Salfred } 637184610Salfred return (0); /* complete */ 638184610Salfred} 639184610Salfred 640184610Salfredstatic uint8_t 641184610Salfreduss820dci_xfer_do_fifo(struct usb2_xfer *xfer) 642184610Salfred{ 643184610Salfred struct uss820dci_td *td; 644184610Salfred 645184610Salfred DPRINTFN(9, "\n"); 646184610Salfred 647184610Salfred td = xfer->td_transfer_cache; 648184610Salfred while (1) { 649184610Salfred if ((td->func) (td)) { 650184610Salfred /* operation in progress */ 651184610Salfred break; 652184610Salfred } 653184610Salfred if (((void *)td) == xfer->td_transfer_last) { 654184610Salfred goto done; 655184610Salfred } 656184610Salfred if (td->error) { 657184610Salfred goto done; 658184610Salfred } else if (td->remainder > 0) { 659184610Salfred /* 660184610Salfred * We had a short transfer. If there is no alternate 661184610Salfred * next, stop processing ! 662184610Salfred */ 663184610Salfred if (!td->alt_next) { 664184610Salfred goto done; 665184610Salfred } 666184610Salfred } 667184610Salfred /* 668184610Salfred * Fetch the next transfer descriptor. 669184610Salfred */ 670184610Salfred td = td->obj_next; 671184610Salfred xfer->td_transfer_cache = td; 672184610Salfred } 673184610Salfred return (1); /* not complete */ 674184610Salfred 675184610Salfreddone: 676184610Salfred /* compute all actual lengths */ 677184610Salfred 678184610Salfred uss820dci_standard_done(xfer); 679184610Salfred 680184610Salfred return (0); /* complete */ 681184610Salfred} 682184610Salfred 683184610Salfredstatic void 684184610Salfreduss820dci_interrupt_poll(struct uss820dci_softc *sc) 685184610Salfred{ 686184610Salfred struct usb2_xfer *xfer; 687184610Salfred 688184610Salfredrepeat: 689184610Salfred TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { 690184610Salfred if (!uss820dci_xfer_do_fifo(xfer)) { 691184610Salfred /* queue has been modified */ 692184610Salfred goto repeat; 693184610Salfred } 694184610Salfred } 695184610Salfred} 696184610Salfred 697184610Salfredstatic void 698184610Salfreduss820dci_wait_suspend(struct uss820dci_softc *sc, uint8_t on) 699184610Salfred{ 700184610Salfred uint8_t scr; 701184610Salfred uint8_t scratch; 702184610Salfred 703184610Salfred scr = USS820_READ_1(sc, USS820_SCR); 704184610Salfred scratch = USS820_READ_1(sc, USS820_SCRATCH); 705184610Salfred 706184610Salfred if (on) { 707184610Salfred scr |= USS820_SCR_IE_SUSP; 708184610Salfred scratch &= ~USS820_SCRATCH_IE_RESUME; 709184610Salfred } else { 710184610Salfred scr &= ~USS820_SCR_IE_SUSP; 711184610Salfred scratch |= USS820_SCRATCH_IE_RESUME; 712184610Salfred } 713184610Salfred 714184610Salfred USS820_WRITE_1(sc, USS820_SCR, scr); 715184610Salfred USS820_WRITE_1(sc, USS820_SCRATCH, scratch); 716184610Salfred} 717184610Salfred 718184610Salfredvoid 719184610Salfreduss820dci_interrupt(struct uss820dci_softc *sc) 720184610Salfred{ 721184610Salfred uint8_t ssr; 722184610Salfred uint8_t event; 723184610Salfred 724184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 725184610Salfred 726184610Salfred ssr = USS820_READ_1(sc, USS820_SSR); 727184610Salfred 728184610Salfred ssr &= (USS820_SSR_SUSPEND | 729184610Salfred USS820_SSR_RESUME | 730184610Salfred USS820_SSR_RESET); 731184610Salfred 732184610Salfred /* acknowledge all interrupts */ 733184610Salfred 734184610Salfred uss820dci_update_shared_1(sc, USS820_SSR, 0, 0); 735184610Salfred 736184610Salfred /* check for any bus state change interrupts */ 737184610Salfred 738184610Salfred if (ssr) { 739184610Salfred 740184610Salfred event = 0; 741184610Salfred 742184610Salfred if (ssr & USS820_SSR_RESET) { 743184610Salfred sc->sc_flags.status_bus_reset = 1; 744184610Salfred sc->sc_flags.status_suspend = 0; 745184610Salfred sc->sc_flags.change_suspend = 0; 746184610Salfred sc->sc_flags.change_connect = 1; 747184610Salfred 748184610Salfred /* disable resume interrupt */ 749184610Salfred uss820dci_wait_suspend(sc, 1); 750184610Salfred 751184610Salfred event = 1; 752184610Salfred } 753184610Salfred /* 754184610Salfred * If "RESUME" and "SUSPEND" is set at the same time 755184610Salfred * we interpret that like "RESUME". Resume is set when 756184610Salfred * there is at least 3 milliseconds of inactivity on 757184610Salfred * the USB BUS. 758184610Salfred */ 759184610Salfred if (ssr & USS820_SSR_RESUME) { 760184610Salfred if (sc->sc_flags.status_suspend) { 761184610Salfred sc->sc_flags.status_suspend = 0; 762184610Salfred sc->sc_flags.change_suspend = 1; 763184610Salfred /* disable resume interrupt */ 764184610Salfred uss820dci_wait_suspend(sc, 1); 765184610Salfred event = 1; 766184610Salfred } 767184610Salfred } else if (ssr & USS820_SSR_SUSPEND) { 768184610Salfred if (!sc->sc_flags.status_suspend) { 769184610Salfred sc->sc_flags.status_suspend = 1; 770184610Salfred sc->sc_flags.change_suspend = 1; 771184610Salfred /* enable resume interrupt */ 772184610Salfred uss820dci_wait_suspend(sc, 0); 773184610Salfred event = 1; 774184610Salfred } 775184610Salfred } 776184610Salfred if (event) { 777184610Salfred 778184610Salfred DPRINTF("real bus interrupt 0x%02x\n", ssr); 779184610Salfred 780184610Salfred /* complete root HUB interrupt endpoint */ 781184610Salfred 782184610Salfred usb2_sw_transfer(&sc->sc_root_intr, 783184610Salfred &uss820dci_root_intr_done); 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), 832184610Salfred xfer->sumlen, usb2_get_speed(xfer->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]; 844184610Salfred temp.setup_alt_next = xfer->flags_int.short_frames_ok; 845184610Salfred temp.offset = 0; 846184610Salfred 847184610Salfred sc = xfer->usb2_sc; 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; 859184610Salfred 860184610Salfred uss820dci_setup_standard_chain_sub(&temp); 861184610Salfred } 862184610Salfred x = 1; 863184610Salfred } else { 864184610Salfred x = 0; 865184610Salfred } 866184610Salfred 867184610Salfred if (x != xfer->nframes) { 868184610Salfred if (xfer->endpoint & UE_DIR_IN) { 869184610Salfred temp.func = &uss820dci_data_tx; 870184610Salfred } else { 871184610Salfred temp.func = &uss820dci_data_rx; 872184610Salfred } 873184610Salfred 874184610Salfred /* setup "pc" pointer */ 875184610Salfred temp.pc = xfer->frbuffers + x; 876184610Salfred } 877184610Salfred while (x != xfer->nframes) { 878184610Salfred 879184610Salfred /* DATA0 / DATA1 message */ 880184610Salfred 881184610Salfred temp.len = xfer->frlengths[x]; 882184610Salfred 883184610Salfred x++; 884184610Salfred 885184610Salfred if (x == xfer->nframes) { 886184610Salfred temp.setup_alt_next = 0; 887184610Salfred } 888184610Salfred if (temp.len == 0) { 889184610Salfred 890184610Salfred /* make sure that we send an USB packet */ 891184610Salfred 892184610Salfred temp.short_pkt = 0; 893184610Salfred 894184610Salfred } else { 895184610Salfred 896184610Salfred /* regular data transfer */ 897184610Salfred 898184610Salfred temp.short_pkt = (xfer->flags.force_short_xfer) ? 0 : 1; 899184610Salfred } 900184610Salfred 901184610Salfred uss820dci_setup_standard_chain_sub(&temp); 902184610Salfred 903184610Salfred if (xfer->flags_int.isochronous_xfr) { 904184610Salfred temp.offset += temp.len; 905184610Salfred } else { 906184610Salfred /* get next Page Cache pointer */ 907184610Salfred temp.pc = xfer->frbuffers + x; 908184610Salfred } 909184610Salfred } 910184610Salfred 911184610Salfred /* always setup a valid "pc" pointer for status and sync */ 912184610Salfred temp.pc = xfer->frbuffers + 0; 913184610Salfred 914184610Salfred /* check if we should append a status stage */ 915184610Salfred 916184610Salfred if (xfer->flags_int.control_xfr && 917184610Salfred !xfer->flags_int.control_act) { 918184610Salfred uint8_t need_sync; 919184610Salfred 920184610Salfred /* 921184610Salfred * Send a DATA1 message and invert the current 922184610Salfred * endpoint direction. 923184610Salfred */ 924184610Salfred if (xfer->endpoint & UE_DIR_IN) { 925184610Salfred temp.func = &uss820dci_data_rx; 926184610Salfred need_sync = 0; 927184610Salfred } else { 928184610Salfred temp.func = &uss820dci_data_tx; 929184610Salfred need_sync = 1; 930184610Salfred } 931184610Salfred temp.len = 0; 932184610Salfred temp.short_pkt = 0; 933184610Salfred 934184610Salfred uss820dci_setup_standard_chain_sub(&temp); 935184610Salfred if (need_sync) { 936184610Salfred /* we need a SYNC point after TX */ 937184610Salfred temp.func = &uss820dci_data_tx_sync; 938184610Salfred temp.len = 0; 939184610Salfred temp.short_pkt = 0; 940184610Salfred 941184610Salfred uss820dci_setup_standard_chain_sub(&temp); 942184610Salfred } 943184610Salfred } 944184610Salfred /* must have at least one frame! */ 945184610Salfred td = temp.td; 946184610Salfred xfer->td_transfer_last = td; 947184610Salfred} 948184610Salfred 949184610Salfredstatic void 950184610Salfreduss820dci_timeout(void *arg) 951184610Salfred{ 952184610Salfred struct usb2_xfer *xfer = arg; 953184610Salfred 954184610Salfred DPRINTF("xfer=%p\n", xfer); 955184610Salfred 956186454Sthompsa USB_BUS_LOCK_ASSERT(xfer->udev->bus, MA_OWNED); 957184610Salfred 958184610Salfred /* transfer is transferred */ 959184610Salfred uss820dci_device_done(xfer, USB_ERR_TIMEOUT); 960184610Salfred} 961184610Salfred 962184610Salfredstatic void 963184610Salfreduss820dci_intr_set(struct usb2_xfer *xfer, uint8_t set) 964184610Salfred{ 965184610Salfred struct uss820dci_softc *sc = xfer->usb2_sc; 966184610Salfred uint8_t ep_no = (xfer->endpoint & UE_ADDR); 967184610Salfred uint8_t ep_reg; 968184610Salfred uint8_t temp; 969184610Salfred 970184610Salfred DPRINTFN(15, "endpoint 0x%02x\n", xfer->endpoint); 971184610Salfred 972184610Salfred if (ep_no > 3) { 973184610Salfred ep_reg = USS820_SBIE1; 974184610Salfred } else { 975184610Salfred ep_reg = USS820_SBIE; 976184610Salfred } 977184610Salfred 978184610Salfred ep_no &= 3; 979184610Salfred ep_no = 1 << (2 * ep_no); 980184610Salfred 981184610Salfred if (xfer->flags_int.control_xfr) { 982184610Salfred if (xfer->flags_int.control_hdr) { 983184610Salfred ep_no <<= 1; /* RX interrupt only */ 984184610Salfred } else { 985184610Salfred ep_no |= (ep_no << 1); /* RX and TX interrupt */ 986184610Salfred } 987184610Salfred } else { 988184610Salfred if (!(xfer->endpoint & UE_DIR_IN)) { 989184610Salfred ep_no <<= 1; 990184610Salfred } 991184610Salfred } 992184610Salfred temp = USS820_READ_1(sc, ep_reg); 993184610Salfred if (set) { 994184610Salfred temp |= ep_no; 995184610Salfred } else { 996184610Salfred temp &= ~ep_no; 997184610Salfred } 998184610Salfred USS820_WRITE_1(sc, ep_reg, temp); 999184610Salfred} 1000184610Salfred 1001184610Salfredstatic void 1002184610Salfreduss820dci_start_standard_chain(struct usb2_xfer *xfer) 1003184610Salfred{ 1004184610Salfred DPRINTFN(9, "\n"); 1005184610Salfred 1006184610Salfred /* poll one time */ 1007184610Salfred if (uss820dci_xfer_do_fifo(xfer)) { 1008184610Salfred 1009184610Salfred /* 1010184610Salfred * Only enable the endpoint interrupt when we are 1011184610Salfred * actually waiting for data, hence we are dealing 1012184610Salfred * with level triggered interrupts ! 1013184610Salfred */ 1014184610Salfred uss820dci_intr_set(xfer, 1); 1015184610Salfred 1016184610Salfred /* put transfer on interrupt queue */ 1017184610Salfred usb2_transfer_enqueue(&xfer->udev->bus->intr_q, xfer); 1018184610Salfred 1019184610Salfred /* start timeout, if any */ 1020184610Salfred if (xfer->timeout != 0) { 1021184610Salfred usb2_transfer_timeout_ms(xfer, 1022184610Salfred &uss820dci_timeout, xfer->timeout); 1023184610Salfred } 1024184610Salfred } 1025184610Salfred} 1026184610Salfred 1027184610Salfredstatic void 1028184610Salfreduss820dci_root_intr_done(struct usb2_xfer *xfer, 1029184610Salfred struct usb2_sw_transfer *std) 1030184610Salfred{ 1031184610Salfred struct uss820dci_softc *sc = xfer->usb2_sc; 1032184610Salfred 1033184610Salfred DPRINTFN(9, "\n"); 1034184610Salfred 1035184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 1036184610Salfred 1037184610Salfred if (std->state != USB_SW_TR_PRE_DATA) { 1038184610Salfred if (std->state == USB_SW_TR_PRE_CALLBACK) { 1039184610Salfred /* transfer transferred */ 1040184610Salfred uss820dci_device_done(xfer, std->err); 1041184610Salfred } 1042184610Salfred goto done; 1043184610Salfred } 1044184610Salfred /* setup buffer */ 1045184610Salfred std->ptr = sc->sc_hub_idata; 1046184610Salfred std->len = sizeof(sc->sc_hub_idata); 1047184610Salfred 1048184610Salfred /* set port bit */ 1049184610Salfred sc->sc_hub_idata[0] = 0x02; /* we only have one port */ 1050184610Salfred 1051184610Salfreddone: 1052184610Salfred return; 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{ 1171184824Sthompsa USB_BUS_LOCK_ASSERT(xfer->udev->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 */ 1342184824Sthompsa usb2_pause_mtx(&sc->sc_bus.bus_mtx, 10); 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); 1506184610Salfred uss820dci_root_ctrl_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{ 1645184610Salfred struct uss820dci_softc *sc = xfer->usb2_sc; 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 *------------------------------------------------------------------------* 1714184610Salfred * simulate a hardware HUB by handling 1715184610Salfred * all the necessary requests 1716184610Salfred *------------------------------------------------------------------------*/ 1717184610Salfred 1718184610Salfredstatic void 1719184610Salfreduss820dci_root_ctrl_open(struct usb2_xfer *xfer) 1720184610Salfred{ 1721184610Salfred return; 1722184610Salfred} 1723184610Salfred 1724184610Salfredstatic void 1725184610Salfreduss820dci_root_ctrl_close(struct usb2_xfer *xfer) 1726184610Salfred{ 1727184610Salfred struct uss820dci_softc *sc = xfer->usb2_sc; 1728184610Salfred 1729184610Salfred if (sc->sc_root_ctrl.xfer == xfer) { 1730184610Salfred sc->sc_root_ctrl.xfer = NULL; 1731184610Salfred } 1732184610Salfred uss820dci_device_done(xfer, USB_ERR_CANCELLED); 1733184610Salfred} 1734184610Salfred 1735184610Salfred/* 1736184610Salfred * USB descriptors for the virtual Root HUB: 1737184610Salfred */ 1738184610Salfred 1739184610Salfredstatic const struct usb2_device_descriptor uss820dci_devd = { 1740184610Salfred .bLength = sizeof(struct usb2_device_descriptor), 1741184610Salfred .bDescriptorType = UDESC_DEVICE, 1742184610Salfred .bcdUSB = {0x00, 0x02}, 1743184610Salfred .bDeviceClass = UDCLASS_HUB, 1744184610Salfred .bDeviceSubClass = UDSUBCLASS_HUB, 1745184610Salfred .bDeviceProtocol = UDPROTO_HSHUBSTT, 1746184610Salfred .bMaxPacketSize = 64, 1747184610Salfred .bcdDevice = {0x00, 0x01}, 1748184610Salfred .iManufacturer = 1, 1749184610Salfred .iProduct = 2, 1750184610Salfred .bNumConfigurations = 1, 1751184610Salfred}; 1752184610Salfred 1753184610Salfredstatic const struct usb2_device_qualifier uss820dci_odevd = { 1754184610Salfred .bLength = sizeof(struct usb2_device_qualifier), 1755184610Salfred .bDescriptorType = UDESC_DEVICE_QUALIFIER, 1756184610Salfred .bcdUSB = {0x00, 0x02}, 1757184610Salfred .bDeviceClass = UDCLASS_HUB, 1758184610Salfred .bDeviceSubClass = UDSUBCLASS_HUB, 1759184610Salfred .bDeviceProtocol = UDPROTO_FSHUB, 1760184610Salfred .bMaxPacketSize0 = 0, 1761184610Salfred .bNumConfigurations = 0, 1762184610Salfred}; 1763184610Salfred 1764184610Salfredstatic const struct uss820dci_config_desc uss820dci_confd = { 1765184610Salfred .confd = { 1766184610Salfred .bLength = sizeof(struct usb2_config_descriptor), 1767184610Salfred .bDescriptorType = UDESC_CONFIG, 1768184610Salfred .wTotalLength[0] = sizeof(uss820dci_confd), 1769184610Salfred .bNumInterface = 1, 1770184610Salfred .bConfigurationValue = 1, 1771184610Salfred .iConfiguration = 0, 1772184610Salfred .bmAttributes = UC_SELF_POWERED, 1773184610Salfred .bMaxPower = 0, 1774184610Salfred }, 1775184610Salfred .ifcd = { 1776184610Salfred .bLength = sizeof(struct usb2_interface_descriptor), 1777184610Salfred .bDescriptorType = UDESC_INTERFACE, 1778184610Salfred .bNumEndpoints = 1, 1779184610Salfred .bInterfaceClass = UICLASS_HUB, 1780184610Salfred .bInterfaceSubClass = UISUBCLASS_HUB, 1781184610Salfred .bInterfaceProtocol = UIPROTO_HSHUBSTT, 1782184610Salfred }, 1783184610Salfred 1784184610Salfred .endpd = { 1785184610Salfred .bLength = sizeof(struct usb2_endpoint_descriptor), 1786184610Salfred .bDescriptorType = UDESC_ENDPOINT, 1787184610Salfred .bEndpointAddress = (UE_DIR_IN | USS820_DCI_INTR_ENDPT), 1788184610Salfred .bmAttributes = UE_INTERRUPT, 1789184610Salfred .wMaxPacketSize[0] = 8, 1790184610Salfred .bInterval = 255, 1791184610Salfred }, 1792184610Salfred}; 1793184610Salfred 1794184610Salfredstatic const struct usb2_hub_descriptor_min uss820dci_hubd = { 1795184610Salfred .bDescLength = sizeof(uss820dci_hubd), 1796184610Salfred .bDescriptorType = UDESC_HUB, 1797184610Salfred .bNbrPorts = 1, 1798184610Salfred .wHubCharacteristics[0] = 1799184610Salfred (UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL) & 0xFF, 1800184610Salfred .wHubCharacteristics[1] = 1801184610Salfred (UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL) >> 16, 1802184610Salfred .bPwrOn2PwrGood = 50, 1803184610Salfred .bHubContrCurrent = 0, 1804184610Salfred .DeviceRemovable = {0}, /* port is removable */ 1805184610Salfred}; 1806184610Salfred 1807184610Salfred#define STRING_LANG \ 1808184610Salfred 0x09, 0x04, /* American English */ 1809184610Salfred 1810184610Salfred#define STRING_VENDOR \ 1811184610Salfred 'A', 0, 'G', 0, 'E', 0, 'R', 0, 'E', 0 1812184610Salfred 1813184610Salfred#define STRING_PRODUCT \ 1814184610Salfred 'D', 0, 'C', 0, 'I', 0, ' ', 0, 'R', 0, \ 1815184610Salfred 'o', 0, 'o', 0, 't', 0, ' ', 0, 'H', 0, \ 1816184610Salfred 'U', 0, 'B', 0, 1817184610Salfred 1818184610SalfredUSB_MAKE_STRING_DESC(STRING_LANG, uss820dci_langtab); 1819184610SalfredUSB_MAKE_STRING_DESC(STRING_VENDOR, uss820dci_vendor); 1820184610SalfredUSB_MAKE_STRING_DESC(STRING_PRODUCT, uss820dci_product); 1821184610Salfred 1822184610Salfredstatic void 1823184610Salfreduss820dci_root_ctrl_enter(struct usb2_xfer *xfer) 1824184610Salfred{ 1825184610Salfred return; 1826184610Salfred} 1827184610Salfred 1828184610Salfredstatic void 1829184610Salfreduss820dci_root_ctrl_start(struct usb2_xfer *xfer) 1830184610Salfred{ 1831184610Salfred struct uss820dci_softc *sc = xfer->usb2_sc; 1832184610Salfred 1833184610Salfred sc->sc_root_ctrl.xfer = xfer; 1834184610Salfred 1835184610Salfred usb2_config_td_queue_command( 1836184610Salfred &sc->sc_config_td, NULL, &uss820dci_root_ctrl_task, 0, 0); 1837184610Salfred} 1838184610Salfred 1839184610Salfredstatic void 1840184610Salfreduss820dci_root_ctrl_task(struct uss820dci_softc *sc, 1841184610Salfred struct uss820dci_config_copy *cc, uint16_t refcount) 1842184610Salfred{ 1843184610Salfred uss820dci_root_ctrl_poll(sc); 1844184610Salfred} 1845184610Salfred 1846184610Salfredstatic void 1847184610Salfreduss820dci_root_ctrl_done(struct usb2_xfer *xfer, 1848184610Salfred struct usb2_sw_transfer *std) 1849184610Salfred{ 1850184610Salfred struct uss820dci_softc *sc = xfer->usb2_sc; 1851184610Salfred uint16_t value; 1852184610Salfred uint16_t index; 1853184610Salfred uint8_t use_polling; 1854184610Salfred 1855184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 1856184610Salfred 1857184610Salfred if (std->state != USB_SW_TR_SETUP) { 1858184610Salfred if (std->state == USB_SW_TR_PRE_CALLBACK) { 1859184610Salfred /* transfer transferred */ 1860184610Salfred uss820dci_device_done(xfer, std->err); 1861184610Salfred } 1862184610Salfred goto done; 1863184610Salfred } 1864184610Salfred /* buffer reset */ 1865184610Salfred std->ptr = USB_ADD_BYTES(&sc->sc_hub_temp, 0); 1866184610Salfred std->len = 0; 1867184610Salfred 1868184610Salfred value = UGETW(std->req.wValue); 1869184610Salfred index = UGETW(std->req.wIndex); 1870184610Salfred 1871184824Sthompsa use_polling = mtx_owned(xfer->xfer_mtx) ? 1 : 0; 1872184610Salfred 1873184610Salfred /* demultiplex the control request */ 1874184610Salfred 1875184610Salfred switch (std->req.bmRequestType) { 1876184610Salfred case UT_READ_DEVICE: 1877184610Salfred switch (std->req.bRequest) { 1878184610Salfred case UR_GET_DESCRIPTOR: 1879184610Salfred goto tr_handle_get_descriptor; 1880184610Salfred case UR_GET_CONFIG: 1881184610Salfred goto tr_handle_get_config; 1882184610Salfred case UR_GET_STATUS: 1883184610Salfred goto tr_handle_get_status; 1884184610Salfred default: 1885184610Salfred goto tr_stalled; 1886184610Salfred } 1887184610Salfred break; 1888184610Salfred 1889184610Salfred case UT_WRITE_DEVICE: 1890184610Salfred switch (std->req.bRequest) { 1891184610Salfred case UR_SET_ADDRESS: 1892184610Salfred goto tr_handle_set_address; 1893184610Salfred case UR_SET_CONFIG: 1894184610Salfred goto tr_handle_set_config; 1895184610Salfred case UR_CLEAR_FEATURE: 1896184610Salfred goto tr_valid; /* nop */ 1897184610Salfred case UR_SET_DESCRIPTOR: 1898184610Salfred goto tr_valid; /* nop */ 1899184610Salfred case UR_SET_FEATURE: 1900184610Salfred default: 1901184610Salfred goto tr_stalled; 1902184610Salfred } 1903184610Salfred break; 1904184610Salfred 1905184610Salfred case UT_WRITE_ENDPOINT: 1906184610Salfred switch (std->req.bRequest) { 1907184610Salfred case UR_CLEAR_FEATURE: 1908184610Salfred switch (UGETW(std->req.wValue)) { 1909184610Salfred case UF_ENDPOINT_HALT: 1910184610Salfred goto tr_handle_clear_halt; 1911184610Salfred case UF_DEVICE_REMOTE_WAKEUP: 1912184610Salfred goto tr_handle_clear_wakeup; 1913184610Salfred default: 1914184610Salfred goto tr_stalled; 1915184610Salfred } 1916184610Salfred break; 1917184610Salfred case UR_SET_FEATURE: 1918184610Salfred switch (UGETW(std->req.wValue)) { 1919184610Salfred case UF_ENDPOINT_HALT: 1920184610Salfred goto tr_handle_set_halt; 1921184610Salfred case UF_DEVICE_REMOTE_WAKEUP: 1922184610Salfred goto tr_handle_set_wakeup; 1923184610Salfred default: 1924184610Salfred goto tr_stalled; 1925184610Salfred } 1926184610Salfred break; 1927184610Salfred case UR_SYNCH_FRAME: 1928184610Salfred goto tr_valid; /* nop */ 1929184610Salfred default: 1930184610Salfred goto tr_stalled; 1931184610Salfred } 1932184610Salfred break; 1933184610Salfred 1934184610Salfred case UT_READ_ENDPOINT: 1935184610Salfred switch (std->req.bRequest) { 1936184610Salfred case UR_GET_STATUS: 1937184610Salfred goto tr_handle_get_ep_status; 1938184610Salfred default: 1939184610Salfred goto tr_stalled; 1940184610Salfred } 1941184610Salfred break; 1942184610Salfred 1943184610Salfred case UT_WRITE_INTERFACE: 1944184610Salfred switch (std->req.bRequest) { 1945184610Salfred case UR_SET_INTERFACE: 1946184610Salfred goto tr_handle_set_interface; 1947184610Salfred case UR_CLEAR_FEATURE: 1948184610Salfred goto tr_valid; /* nop */ 1949184610Salfred case UR_SET_FEATURE: 1950184610Salfred default: 1951184610Salfred goto tr_stalled; 1952184610Salfred } 1953184610Salfred break; 1954184610Salfred 1955184610Salfred case UT_READ_INTERFACE: 1956184610Salfred switch (std->req.bRequest) { 1957184610Salfred case UR_GET_INTERFACE: 1958184610Salfred goto tr_handle_get_interface; 1959184610Salfred case UR_GET_STATUS: 1960184610Salfred goto tr_handle_get_iface_status; 1961184610Salfred default: 1962184610Salfred goto tr_stalled; 1963184610Salfred } 1964184610Salfred break; 1965184610Salfred 1966184610Salfred case UT_WRITE_CLASS_INTERFACE: 1967184610Salfred case UT_WRITE_VENDOR_INTERFACE: 1968184610Salfred /* XXX forward */ 1969184610Salfred break; 1970184610Salfred 1971184610Salfred case UT_READ_CLASS_INTERFACE: 1972184610Salfred case UT_READ_VENDOR_INTERFACE: 1973184610Salfred /* XXX forward */ 1974184610Salfred break; 1975184610Salfred 1976184610Salfred case UT_WRITE_CLASS_DEVICE: 1977184610Salfred switch (std->req.bRequest) { 1978184610Salfred case UR_CLEAR_FEATURE: 1979184610Salfred goto tr_valid; 1980184610Salfred case UR_SET_DESCRIPTOR: 1981184610Salfred case UR_SET_FEATURE: 1982184610Salfred break; 1983184610Salfred default: 1984184610Salfred goto tr_stalled; 1985184610Salfred } 1986184610Salfred break; 1987184610Salfred 1988184610Salfred case UT_WRITE_CLASS_OTHER: 1989184610Salfred switch (std->req.bRequest) { 1990184610Salfred case UR_CLEAR_FEATURE: 1991184610Salfred goto tr_handle_clear_port_feature; 1992184610Salfred case UR_SET_FEATURE: 1993184610Salfred goto tr_handle_set_port_feature; 1994184610Salfred case UR_CLEAR_TT_BUFFER: 1995184610Salfred case UR_RESET_TT: 1996184610Salfred case UR_STOP_TT: 1997184610Salfred goto tr_valid; 1998184610Salfred 1999184610Salfred default: 2000184610Salfred goto tr_stalled; 2001184610Salfred } 2002184610Salfred break; 2003184610Salfred 2004184610Salfred case UT_READ_CLASS_OTHER: 2005184610Salfred switch (std->req.bRequest) { 2006184610Salfred case UR_GET_TT_STATE: 2007184610Salfred goto tr_handle_get_tt_state; 2008184610Salfred case UR_GET_STATUS: 2009184610Salfred goto tr_handle_get_port_status; 2010184610Salfred default: 2011184610Salfred goto tr_stalled; 2012184610Salfred } 2013184610Salfred break; 2014184610Salfred 2015184610Salfred case UT_READ_CLASS_DEVICE: 2016184610Salfred switch (std->req.bRequest) { 2017184610Salfred case UR_GET_DESCRIPTOR: 2018184610Salfred goto tr_handle_get_class_descriptor; 2019184610Salfred case UR_GET_STATUS: 2020184610Salfred goto tr_handle_get_class_status; 2021184610Salfred 2022184610Salfred default: 2023184610Salfred goto tr_stalled; 2024184610Salfred } 2025184610Salfred break; 2026184610Salfred default: 2027184610Salfred goto tr_stalled; 2028184610Salfred } 2029184610Salfred goto tr_valid; 2030184610Salfred 2031184610Salfredtr_handle_get_descriptor: 2032184610Salfred switch (value >> 8) { 2033184610Salfred case UDESC_DEVICE: 2034184610Salfred if (value & 0xff) { 2035184610Salfred goto tr_stalled; 2036184610Salfred } 2037184610Salfred std->len = sizeof(uss820dci_devd); 2038184610Salfred std->ptr = USB_ADD_BYTES(&uss820dci_devd, 0); 2039184610Salfred goto tr_valid; 2040184610Salfred case UDESC_CONFIG: 2041184610Salfred if (value & 0xff) { 2042184610Salfred goto tr_stalled; 2043184610Salfred } 2044184610Salfred std->len = sizeof(uss820dci_confd); 2045184610Salfred std->ptr = USB_ADD_BYTES(&uss820dci_confd, 0); 2046184610Salfred goto tr_valid; 2047184610Salfred case UDESC_STRING: 2048184610Salfred switch (value & 0xff) { 2049184610Salfred case 0: /* Language table */ 2050184610Salfred std->len = sizeof(uss820dci_langtab); 2051184610Salfred std->ptr = USB_ADD_BYTES(&uss820dci_langtab, 0); 2052184610Salfred goto tr_valid; 2053184610Salfred 2054184610Salfred case 1: /* Vendor */ 2055184610Salfred std->len = sizeof(uss820dci_vendor); 2056184610Salfred std->ptr = USB_ADD_BYTES(&uss820dci_vendor, 0); 2057184610Salfred goto tr_valid; 2058184610Salfred 2059184610Salfred case 2: /* Product */ 2060184610Salfred std->len = sizeof(uss820dci_product); 2061184610Salfred std->ptr = USB_ADD_BYTES(&uss820dci_product, 0); 2062184610Salfred goto tr_valid; 2063184610Salfred default: 2064184610Salfred break; 2065184610Salfred } 2066184610Salfred break; 2067184610Salfred default: 2068184610Salfred goto tr_stalled; 2069184610Salfred } 2070184610Salfred goto tr_stalled; 2071184610Salfred 2072184610Salfredtr_handle_get_config: 2073184610Salfred std->len = 1; 2074184610Salfred sc->sc_hub_temp.wValue[0] = sc->sc_conf; 2075184610Salfred goto tr_valid; 2076184610Salfred 2077184610Salfredtr_handle_get_status: 2078184610Salfred std->len = 2; 2079184610Salfred USETW(sc->sc_hub_temp.wValue, UDS_SELF_POWERED); 2080184610Salfred goto tr_valid; 2081184610Salfred 2082184610Salfredtr_handle_set_address: 2083184610Salfred if (value & 0xFF00) { 2084184610Salfred goto tr_stalled; 2085184610Salfred } 2086184610Salfred sc->sc_rt_addr = value; 2087184610Salfred goto tr_valid; 2088184610Salfred 2089184610Salfredtr_handle_set_config: 2090184610Salfred if (value >= 2) { 2091184610Salfred goto tr_stalled; 2092184610Salfred } 2093184610Salfred sc->sc_conf = value; 2094184610Salfred goto tr_valid; 2095184610Salfred 2096184610Salfredtr_handle_get_interface: 2097184610Salfred std->len = 1; 2098184610Salfred sc->sc_hub_temp.wValue[0] = 0; 2099184610Salfred goto tr_valid; 2100184610Salfred 2101184610Salfredtr_handle_get_tt_state: 2102184610Salfredtr_handle_get_class_status: 2103184610Salfredtr_handle_get_iface_status: 2104184610Salfredtr_handle_get_ep_status: 2105184610Salfred std->len = 2; 2106184610Salfred USETW(sc->sc_hub_temp.wValue, 0); 2107184610Salfred goto tr_valid; 2108184610Salfred 2109184610Salfredtr_handle_set_halt: 2110184610Salfredtr_handle_set_interface: 2111184610Salfredtr_handle_set_wakeup: 2112184610Salfredtr_handle_clear_wakeup: 2113184610Salfredtr_handle_clear_halt: 2114184610Salfred goto tr_valid; 2115184610Salfred 2116184610Salfredtr_handle_clear_port_feature: 2117184610Salfred if (index != 1) { 2118184610Salfred goto tr_stalled; 2119184610Salfred } 2120184610Salfred DPRINTFN(9, "UR_CLEAR_PORT_FEATURE on port %d\n", index); 2121184610Salfred 2122184610Salfred switch (value) { 2123184610Salfred case UHF_PORT_SUSPEND: 2124184610Salfred uss820dci_wakeup_peer(sc); 2125184610Salfred break; 2126184610Salfred 2127184610Salfred case UHF_PORT_ENABLE: 2128184610Salfred sc->sc_flags.port_enabled = 0; 2129184610Salfred break; 2130184610Salfred 2131184610Salfred case UHF_PORT_TEST: 2132184610Salfred case UHF_PORT_INDICATOR: 2133184610Salfred case UHF_C_PORT_ENABLE: 2134184610Salfred case UHF_C_PORT_OVER_CURRENT: 2135184610Salfred case UHF_C_PORT_RESET: 2136184610Salfred /* nops */ 2137184610Salfred break; 2138184610Salfred case UHF_PORT_POWER: 2139184610Salfred sc->sc_flags.port_powered = 0; 2140184610Salfred uss820dci_pull_down(sc); 2141184610Salfred break; 2142184610Salfred case UHF_C_PORT_CONNECTION: 2143184610Salfred sc->sc_flags.change_connect = 0; 2144184610Salfred break; 2145184610Salfred case UHF_C_PORT_SUSPEND: 2146184610Salfred sc->sc_flags.change_suspend = 0; 2147184610Salfred break; 2148184610Salfred default: 2149184610Salfred std->err = USB_ERR_IOERROR; 2150184610Salfred goto done; 2151184610Salfred } 2152184610Salfred goto tr_valid; 2153184610Salfred 2154184610Salfredtr_handle_set_port_feature: 2155184610Salfred if (index != 1) { 2156184610Salfred goto tr_stalled; 2157184610Salfred } 2158184610Salfred DPRINTFN(9, "UR_SET_PORT_FEATURE\n"); 2159184610Salfred 2160184610Salfred switch (value) { 2161184610Salfred case UHF_PORT_ENABLE: 2162184610Salfred sc->sc_flags.port_enabled = 1; 2163184610Salfred break; 2164184610Salfred case UHF_PORT_SUSPEND: 2165184610Salfred case UHF_PORT_RESET: 2166184610Salfred case UHF_PORT_TEST: 2167184610Salfred case UHF_PORT_INDICATOR: 2168184610Salfred /* nops */ 2169184610Salfred break; 2170184610Salfred case UHF_PORT_POWER: 2171184610Salfred sc->sc_flags.port_powered = 1; 2172184610Salfred break; 2173184610Salfred default: 2174184610Salfred std->err = USB_ERR_IOERROR; 2175184610Salfred goto done; 2176184610Salfred } 2177184610Salfred goto tr_valid; 2178184610Salfred 2179184610Salfredtr_handle_get_port_status: 2180184610Salfred 2181184610Salfred DPRINTFN(9, "UR_GET_PORT_STATUS\n"); 2182184610Salfred 2183184610Salfred if (index != 1) { 2184184610Salfred goto tr_stalled; 2185184610Salfred } 2186184610Salfred if (sc->sc_flags.status_vbus) { 2187184610Salfred uss820dci_pull_up(sc); 2188184610Salfred } else { 2189184610Salfred uss820dci_pull_down(sc); 2190184610Salfred } 2191184610Salfred 2192184610Salfred /* Select FULL-speed and Device Side Mode */ 2193184610Salfred 2194184610Salfred value = UPS_PORT_MODE_DEVICE; 2195184610Salfred 2196184610Salfred if (sc->sc_flags.port_powered) { 2197184610Salfred value |= UPS_PORT_POWER; 2198184610Salfred } 2199184610Salfred if (sc->sc_flags.port_enabled) { 2200184610Salfred value |= UPS_PORT_ENABLED; 2201184610Salfred } 2202184610Salfred if (sc->sc_flags.status_vbus && 2203184610Salfred sc->sc_flags.status_bus_reset) { 2204184610Salfred value |= UPS_CURRENT_CONNECT_STATUS; 2205184610Salfred } 2206184610Salfred if (sc->sc_flags.status_suspend) { 2207184610Salfred value |= UPS_SUSPEND; 2208184610Salfred } 2209184610Salfred USETW(sc->sc_hub_temp.ps.wPortStatus, value); 2210184610Salfred 2211184610Salfred value = 0; 2212184610Salfred 2213184610Salfred if (sc->sc_flags.change_connect) { 2214184610Salfred value |= UPS_C_CONNECT_STATUS; 2215184610Salfred } 2216184610Salfred if (sc->sc_flags.change_suspend) { 2217184610Salfred value |= UPS_C_SUSPEND; 2218184610Salfred } 2219184610Salfred USETW(sc->sc_hub_temp.ps.wPortChange, value); 2220184610Salfred std->len = sizeof(sc->sc_hub_temp.ps); 2221184610Salfred goto tr_valid; 2222184610Salfred 2223184610Salfredtr_handle_get_class_descriptor: 2224184610Salfred if (value & 0xFF) { 2225184610Salfred goto tr_stalled; 2226184610Salfred } 2227184610Salfred std->ptr = USB_ADD_BYTES(&uss820dci_hubd, 0); 2228184610Salfred std->len = sizeof(uss820dci_hubd); 2229184610Salfred goto tr_valid; 2230184610Salfred 2231184610Salfredtr_stalled: 2232184610Salfred std->err = USB_ERR_STALLED; 2233184610Salfredtr_valid: 2234184610Salfreddone: 2235184610Salfred return; 2236184610Salfred} 2237184610Salfred 2238184610Salfredstatic void 2239184610Salfreduss820dci_root_ctrl_poll(struct uss820dci_softc *sc) 2240184610Salfred{ 2241184610Salfred usb2_sw_transfer(&sc->sc_root_ctrl, 2242184610Salfred &uss820dci_root_ctrl_done); 2243184610Salfred} 2244184610Salfred 2245184610Salfredstruct usb2_pipe_methods uss820dci_root_ctrl_methods = 2246184610Salfred{ 2247184610Salfred .open = uss820dci_root_ctrl_open, 2248184610Salfred .close = uss820dci_root_ctrl_close, 2249184610Salfred .enter = uss820dci_root_ctrl_enter, 2250184610Salfred .start = uss820dci_root_ctrl_start, 2251184610Salfred .enter_is_cancelable = 1, 2252184610Salfred .start_is_cancelable = 0, 2253184610Salfred}; 2254184610Salfred 2255184610Salfred/*------------------------------------------------------------------------* 2256184610Salfred * at91dci root interrupt support 2257184610Salfred *------------------------------------------------------------------------*/ 2258184610Salfredstatic void 2259184610Salfreduss820dci_root_intr_open(struct usb2_xfer *xfer) 2260184610Salfred{ 2261184610Salfred return; 2262184610Salfred} 2263184610Salfred 2264184610Salfredstatic void 2265184610Salfreduss820dci_root_intr_close(struct usb2_xfer *xfer) 2266184610Salfred{ 2267184610Salfred struct uss820dci_softc *sc = xfer->usb2_sc; 2268184610Salfred 2269184610Salfred if (sc->sc_root_intr.xfer == xfer) { 2270184610Salfred sc->sc_root_intr.xfer = NULL; 2271184610Salfred } 2272184610Salfred uss820dci_device_done(xfer, USB_ERR_CANCELLED); 2273184610Salfred} 2274184610Salfred 2275184610Salfredstatic void 2276184610Salfreduss820dci_root_intr_enter(struct usb2_xfer *xfer) 2277184610Salfred{ 2278184610Salfred return; 2279184610Salfred} 2280184610Salfred 2281184610Salfredstatic void 2282184610Salfreduss820dci_root_intr_start(struct usb2_xfer *xfer) 2283184610Salfred{ 2284184610Salfred struct uss820dci_softc *sc = xfer->usb2_sc; 2285184610Salfred 2286184610Salfred sc->sc_root_intr.xfer = xfer; 2287184610Salfred} 2288184610Salfred 2289184610Salfredstruct usb2_pipe_methods uss820dci_root_intr_methods = 2290184610Salfred{ 2291184610Salfred .open = uss820dci_root_intr_open, 2292184610Salfred .close = uss820dci_root_intr_close, 2293184610Salfred .enter = uss820dci_root_intr_enter, 2294184610Salfred .start = uss820dci_root_intr_start, 2295184610Salfred .enter_is_cancelable = 1, 2296184610Salfred .start_is_cancelable = 1, 2297184610Salfred}; 2298184610Salfred 2299184610Salfredstatic void 2300184610Salfreduss820dci_xfer_setup(struct usb2_setup_params *parm) 2301184610Salfred{ 2302184610Salfred const struct usb2_hw_ep_profile *pf; 2303184610Salfred struct uss820dci_softc *sc; 2304184610Salfred struct usb2_xfer *xfer; 2305184610Salfred void *last_obj; 2306184610Salfred uint32_t ntd; 2307184610Salfred uint32_t n; 2308184610Salfred uint8_t ep_no; 2309184610Salfred 2310184610Salfred sc = USS820_DCI_BUS2SC(parm->udev->bus); 2311184610Salfred xfer = parm->curr_xfer; 2312184610Salfred 2313184610Salfred /* 2314184610Salfred * setup xfer 2315184610Salfred */ 2316184610Salfred xfer->usb2_sc = sc; 2317184610Salfred 2318184610Salfred /* 2319184610Salfred * NOTE: This driver does not use any of the parameters that 2320184610Salfred * are computed from the following values. Just set some 2321184610Salfred * reasonable dummies: 2322184610Salfred */ 2323184610Salfred parm->hc_max_packet_size = 0x500; 2324184610Salfred parm->hc_max_packet_count = 1; 2325184610Salfred parm->hc_max_frame_size = 0x500; 2326184610Salfred 2327184610Salfred usb2_transfer_setup_sub(parm); 2328184610Salfred 2329184610Salfred /* 2330184610Salfred * compute maximum number of TDs 2331184610Salfred */ 2332184610Salfred if (parm->methods == &uss820dci_device_ctrl_methods) { 2333184610Salfred 2334184610Salfred ntd = xfer->nframes + 1 /* STATUS */ + 1 /* SYNC */ ; 2335184610Salfred 2336184610Salfred } else if (parm->methods == &uss820dci_device_bulk_methods) { 2337184610Salfred 2338184610Salfred ntd = xfer->nframes + 1 /* SYNC */ ; 2339184610Salfred 2340184610Salfred } else if (parm->methods == &uss820dci_device_intr_methods) { 2341184610Salfred 2342184610Salfred ntd = xfer->nframes + 1 /* SYNC */ ; 2343184610Salfred 2344184610Salfred } else if (parm->methods == &uss820dci_device_isoc_fs_methods) { 2345184610Salfred 2346184610Salfred ntd = xfer->nframes + 1 /* SYNC */ ; 2347184610Salfred 2348184610Salfred } else { 2349184610Salfred 2350184610Salfred ntd = 0; 2351184610Salfred } 2352184610Salfred 2353184610Salfred /* 2354184610Salfred * check if "usb2_transfer_setup_sub" set an error 2355184610Salfred */ 2356184610Salfred if (parm->err) { 2357184610Salfred return; 2358184610Salfred } 2359184610Salfred /* 2360184610Salfred * allocate transfer descriptors 2361184610Salfred */ 2362184610Salfred last_obj = NULL; 2363184610Salfred 2364184610Salfred /* 2365184610Salfred * get profile stuff 2366184610Salfred */ 2367184610Salfred if (ntd) { 2368184610Salfred 2369184610Salfred ep_no = xfer->endpoint & UE_ADDR; 2370184610Salfred uss820dci_get_hw_ep_profile(parm->udev, &pf, ep_no); 2371184610Salfred 2372184610Salfred if (pf == NULL) { 2373184610Salfred /* should not happen */ 2374184610Salfred parm->err = USB_ERR_INVAL; 2375184610Salfred return; 2376184610Salfred } 2377184610Salfred } else { 2378184610Salfred ep_no = 0; 2379184610Salfred pf = NULL; 2380184610Salfred } 2381184610Salfred 2382184610Salfred /* align data */ 2383184610Salfred parm->size[0] += ((-parm->size[0]) & (USB_HOST_ALIGN - 1)); 2384184610Salfred 2385184610Salfred for (n = 0; n != ntd; n++) { 2386184610Salfred 2387184610Salfred struct uss820dci_td *td; 2388184610Salfred 2389184610Salfred if (parm->buf) { 2390184610Salfred 2391184610Salfred td = USB_ADD_BYTES(parm->buf, parm->size[0]); 2392184610Salfred 2393184610Salfred /* init TD */ 2394184610Salfred td->io_tag = sc->sc_io_tag; 2395184610Salfred td->io_hdl = sc->sc_io_hdl; 2396184610Salfred td->max_packet_size = xfer->max_packet_size; 2397184610Salfred td->rx_stat_reg = USS820_GET_REG(sc, USS820_RXSTAT); 2398184610Salfred td->tx_stat_reg = USS820_GET_REG(sc, USS820_TXSTAT); 2399184610Salfred td->rx_flag_reg = USS820_GET_REG(sc, USS820_RXFLG); 2400184610Salfred td->tx_flag_reg = USS820_GET_REG(sc, USS820_TXFLG); 2401184610Salfred td->rx_fifo_reg = USS820_GET_REG(sc, USS820_RXDAT); 2402184610Salfred td->tx_fifo_reg = USS820_GET_REG(sc, USS820_TXDAT); 2403184610Salfred td->rx_count_low_reg = USS820_GET_REG(sc, USS820_RXCNTL); 2404184610Salfred td->rx_count_high_reg = USS820_GET_REG(sc, USS820_RXCNTH); 2405184610Salfred td->tx_count_low_reg = USS820_GET_REG(sc, USS820_TXCNTL); 2406184610Salfred td->tx_count_high_reg = USS820_GET_REG(sc, USS820_TXCNTH); 2407184610Salfred td->rx_cntl_reg = USS820_GET_REG(sc, USS820_RXCON); 2408184610Salfred td->tx_cntl_reg = USS820_GET_REG(sc, USS820_TXCON); 2409184610Salfred td->pend_reg = USS820_GET_REG(sc, USS820_PEND); 2410184610Salfred td->ep_reg = USS820_GET_REG(sc, USS820_EPINDEX); 2411184610Salfred td->ep_index = ep_no; 2412184610Salfred if (pf->support_multi_buffer && 2413184610Salfred (parm->methods != &uss820dci_device_ctrl_methods)) { 2414184610Salfred td->support_multi_buffer = 1; 2415184610Salfred } 2416184610Salfred td->obj_next = last_obj; 2417184610Salfred 2418184610Salfred last_obj = td; 2419184610Salfred } 2420184610Salfred parm->size[0] += sizeof(*td); 2421184610Salfred } 2422184610Salfred 2423184610Salfred xfer->td_start[0] = last_obj; 2424184610Salfred} 2425184610Salfred 2426184610Salfredstatic void 2427184610Salfreduss820dci_xfer_unsetup(struct usb2_xfer *xfer) 2428184610Salfred{ 2429184610Salfred return; 2430184610Salfred} 2431184610Salfred 2432184610Salfredstatic void 2433184610Salfreduss820dci_pipe_init(struct usb2_device *udev, struct usb2_endpoint_descriptor *edesc, 2434184610Salfred struct usb2_pipe *pipe) 2435184610Salfred{ 2436184610Salfred struct uss820dci_softc *sc = USS820_DCI_BUS2SC(udev->bus); 2437184610Salfred 2438184610Salfred DPRINTFN(2, "pipe=%p, addr=%d, endpt=%d, mode=%d (%d)\n", 2439184610Salfred pipe, udev->address, 2440184610Salfred edesc->bEndpointAddress, udev->flags.usb2_mode, 2441184610Salfred sc->sc_rt_addr); 2442184610Salfred 2443184610Salfred if (udev->device_index == sc->sc_rt_addr) { 2444184610Salfred 2445184610Salfred if (udev->flags.usb2_mode != USB_MODE_HOST) { 2446184610Salfred /* not supported */ 2447184610Salfred return; 2448184610Salfred } 2449184610Salfred switch (edesc->bEndpointAddress) { 2450184610Salfred case USB_CONTROL_ENDPOINT: 2451184610Salfred pipe->methods = &uss820dci_root_ctrl_methods; 2452184610Salfred break; 2453184610Salfred case UE_DIR_IN | USS820_DCI_INTR_ENDPT: 2454184610Salfred pipe->methods = &uss820dci_root_intr_methods; 2455184610Salfred break; 2456184610Salfred default: 2457184610Salfred /* do nothing */ 2458184610Salfred break; 2459184610Salfred } 2460184610Salfred } else { 2461184610Salfred 2462184610Salfred if (udev->flags.usb2_mode != USB_MODE_DEVICE) { 2463184610Salfred /* not supported */ 2464184610Salfred return; 2465184610Salfred } 2466184610Salfred if (udev->speed != USB_SPEED_FULL) { 2467184610Salfred /* not supported */ 2468184610Salfred return; 2469184610Salfred } 2470184610Salfred switch (edesc->bmAttributes & UE_XFERTYPE) { 2471184610Salfred case UE_CONTROL: 2472184610Salfred pipe->methods = &uss820dci_device_ctrl_methods; 2473184610Salfred break; 2474184610Salfred case UE_INTERRUPT: 2475184610Salfred pipe->methods = &uss820dci_device_intr_methods; 2476184610Salfred break; 2477184610Salfred case UE_ISOCHRONOUS: 2478184610Salfred pipe->methods = &uss820dci_device_isoc_fs_methods; 2479184610Salfred break; 2480184610Salfred case UE_BULK: 2481184610Salfred pipe->methods = &uss820dci_device_bulk_methods; 2482184610Salfred break; 2483184610Salfred default: 2484184610Salfred /* do nothing */ 2485184610Salfred break; 2486184610Salfred } 2487184610Salfred } 2488184610Salfred} 2489184610Salfred 2490184610Salfredstruct usb2_bus_methods uss820dci_bus_methods = 2491184610Salfred{ 2492184610Salfred .pipe_init = &uss820dci_pipe_init, 2493184610Salfred .xfer_setup = &uss820dci_xfer_setup, 2494184610Salfred .xfer_unsetup = &uss820dci_xfer_unsetup, 2495184610Salfred .do_poll = &uss820dci_do_poll, 2496184610Salfred .get_hw_ep_profile = &uss820dci_get_hw_ep_profile, 2497184610Salfred .set_stall = &uss820dci_set_stall, 2498184610Salfred .clear_stall = &uss820dci_clear_stall, 2499184610Salfred}; 2500