uss820dci.c revision 190722
1184610Salfred/* $FreeBSD: head/sys/dev/usb/controller/uss820dci.c 190722 2009-04-05 18:18:25Z thompsa $ */ 2184610Salfred/*- 3189002Sed * Copyright (c) 2008 Hans Petter Selasky <hselasky@FreeBSD.org> 4184610Salfred * All rights reserved. 5184610Salfred * 6184610Salfred * Redistribution and use in source and binary forms, with or without 7184610Salfred * modification, are permitted provided that the following conditions 8184610Salfred * are met: 9184610Salfred * 1. Redistributions of source code must retain the above copyright 10184610Salfred * notice, this list of conditions and the following disclaimer. 11184610Salfred * 2. Redistributions in binary form must reproduce the above copyright 12184610Salfred * notice, this list of conditions and the following disclaimer in the 13184610Salfred * documentation and/or other materials provided with the distribution. 14184610Salfred * 15184610Salfred * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16184610Salfred * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17184610Salfred * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18184610Salfred * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19184610Salfred * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20184610Salfred * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21184610Salfred * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22184610Salfred * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23184610Salfred * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24184610Salfred * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25184610Salfred * SUCH DAMAGE. 26184610Salfred */ 27184610Salfred 28184610Salfred/* 29184610Salfred * This file contains the driver for the USS820 series USB Device 30184610Salfred * Controller 31184610Salfred * 32184610Salfred * NOTE: The datasheet does not document everything! 33184610Salfred */ 34184610Salfred 35188942Sthompsa#include <dev/usb/usb.h> 36188942Sthompsa#include <dev/usb/usb_mfunc.h> 37188942Sthompsa#include <dev/usb/usb_revision.h> 38188942Sthompsa#include <dev/usb/usb_error.h> 39184610Salfred 40184610Salfred#define USB_DEBUG_VAR uss820dcidebug 41184610Salfred 42188942Sthompsa#include <dev/usb/usb_core.h> 43188942Sthompsa#include <dev/usb/usb_debug.h> 44188942Sthompsa#include <dev/usb/usb_busdma.h> 45188942Sthompsa#include <dev/usb/usb_process.h> 46188942Sthompsa#include <dev/usb/usb_sw_transfer.h> 47188942Sthompsa#include <dev/usb/usb_transfer.h> 48188942Sthompsa#include <dev/usb/usb_device.h> 49188942Sthompsa#include <dev/usb/usb_hub.h> 50188942Sthompsa#include <dev/usb/usb_util.h> 51184610Salfred 52188942Sthompsa#include <dev/usb/usb_controller.h> 53188942Sthompsa#include <dev/usb/usb_bus.h> 54188942Sthompsa#include <dev/usb/controller/uss820dci.h> 55184610Salfred 56184610Salfred#define USS820_DCI_BUS2SC(bus) \ 57184610Salfred ((struct uss820dci_softc *)(((uint8_t *)(bus)) - \ 58190181Sthompsa ((uint8_t *)&(((struct uss820dci_softc *)0)->sc_bus)))) 59184610Salfred 60184610Salfred#define USS820_DCI_PC2SC(pc) \ 61190180Sthompsa USS820_DCI_BUS2SC(USB_DMATAG_TO_XROOT((pc)->tag_parent)->bus) 62184610Salfred 63184610Salfred#if USB_DEBUG 64184610Salfredstatic int uss820dcidebug = 0; 65184610Salfred 66184610SalfredSYSCTL_NODE(_hw_usb2, OID_AUTO, uss820dci, CTLFLAG_RW, 0, "USB uss820dci"); 67184610SalfredSYSCTL_INT(_hw_usb2_uss820dci, OID_AUTO, debug, CTLFLAG_RW, 68184610Salfred &uss820dcidebug, 0, "uss820dci debug level"); 69184610Salfred#endif 70184610Salfred 71184610Salfred#define USS820_DCI_INTR_ENDPT 1 72184610Salfred 73184610Salfred/* prototypes */ 74184610Salfred 75184610Salfredstruct usb2_bus_methods uss820dci_bus_methods; 76184610Salfredstruct usb2_pipe_methods uss820dci_device_bulk_methods; 77184610Salfredstruct usb2_pipe_methods uss820dci_device_ctrl_methods; 78184610Salfredstruct usb2_pipe_methods uss820dci_device_intr_methods; 79184610Salfredstruct usb2_pipe_methods uss820dci_device_isoc_fs_methods; 80184610Salfredstruct usb2_pipe_methods uss820dci_root_ctrl_methods; 81184610Salfredstruct usb2_pipe_methods uss820dci_root_intr_methods; 82184610Salfred 83184610Salfredstatic uss820dci_cmd_t uss820dci_setup_rx; 84184610Salfredstatic uss820dci_cmd_t uss820dci_data_rx; 85184610Salfredstatic uss820dci_cmd_t uss820dci_data_tx; 86184610Salfredstatic uss820dci_cmd_t uss820dci_data_tx_sync; 87185948Sthompsastatic void uss820dci_device_done(struct usb2_xfer *, usb2_error_t); 88185948Sthompsastatic void uss820dci_do_poll(struct usb2_bus *); 89185948Sthompsastatic void uss820dci_root_ctrl_poll(struct uss820dci_softc *); 90185948Sthompsastatic void uss820dci_standard_done(struct usb2_xfer *); 91185948Sthompsastatic void uss820dci_intr_set(struct usb2_xfer *, uint8_t); 92185948Sthompsastatic void uss820dci_update_shared_1(struct uss820dci_softc *, uint8_t, 93185948Sthompsa uint8_t, uint8_t); 94184610Salfred 95184610Salfredstatic usb2_sw_transfer_func_t uss820dci_root_intr_done; 96184610Salfredstatic usb2_sw_transfer_func_t uss820dci_root_ctrl_done; 97184610Salfred 98184610Salfred/* 99184610Salfred * Here is a list of what the USS820D chip can support. The main 100184610Salfred * limitation is that the sum of the buffer sizes must be less than 101184610Salfred * 1120 bytes. 102184610Salfred */ 103184610Salfredstatic const struct usb2_hw_ep_profile 104184610Salfred uss820dci_ep_profile[] = { 105184610Salfred 106184610Salfred [0] = { 107184610Salfred .max_in_frame_size = 32, 108184610Salfred .max_out_frame_size = 32, 109184610Salfred .is_simplex = 0, 110184610Salfred .support_control = 1, 111184610Salfred }, 112184610Salfred [1] = { 113184610Salfred .max_in_frame_size = 64, 114184610Salfred .max_out_frame_size = 64, 115184610Salfred .is_simplex = 0, 116184610Salfred .support_multi_buffer = 1, 117184610Salfred .support_bulk = 1, 118184610Salfred .support_interrupt = 1, 119184610Salfred .support_in = 1, 120184610Salfred .support_out = 1, 121184610Salfred }, 122184610Salfred [2] = { 123184610Salfred .max_in_frame_size = 8, 124184610Salfred .max_out_frame_size = 8, 125184610Salfred .is_simplex = 0, 126184610Salfred .support_multi_buffer = 1, 127184610Salfred .support_bulk = 1, 128184610Salfred .support_interrupt = 1, 129184610Salfred .support_in = 1, 130184610Salfred .support_out = 1, 131184610Salfred }, 132184610Salfred [3] = { 133184610Salfred .max_in_frame_size = 256, 134184610Salfred .max_out_frame_size = 256, 135184610Salfred .is_simplex = 0, 136184610Salfred .support_multi_buffer = 1, 137184610Salfred .support_isochronous = 1, 138184610Salfred .support_in = 1, 139184610Salfred .support_out = 1, 140184610Salfred }, 141184610Salfred}; 142184610Salfred 143184610Salfredstatic void 144184610Salfreduss820dci_update_shared_1(struct uss820dci_softc *sc, uint8_t reg, 145184610Salfred uint8_t keep_mask, uint8_t set_mask) 146184610Salfred{ 147184610Salfred uint8_t temp; 148184610Salfred 149184610Salfred USS820_WRITE_1(sc, USS820_PEND, 1); 150184610Salfred temp = USS820_READ_1(sc, reg); 151184610Salfred temp &= (keep_mask); 152184610Salfred temp |= (set_mask); 153184610Salfred USS820_WRITE_1(sc, reg, temp); 154184610Salfred USS820_WRITE_1(sc, USS820_PEND, 0); 155184610Salfred} 156184610Salfred 157184610Salfredstatic void 158184610Salfreduss820dci_get_hw_ep_profile(struct usb2_device *udev, 159184610Salfred const struct usb2_hw_ep_profile **ppf, uint8_t ep_addr) 160184610Salfred{ 161184610Salfred if (ep_addr == 0) { 162184610Salfred *ppf = uss820dci_ep_profile + 0; 163184610Salfred } else if (ep_addr < 5) { 164184610Salfred *ppf = uss820dci_ep_profile + 1; 165184610Salfred } else if (ep_addr < 7) { 166184610Salfred *ppf = uss820dci_ep_profile + 2; 167184610Salfred } else if (ep_addr == 7) { 168184610Salfred *ppf = uss820dci_ep_profile + 3; 169184610Salfred } else { 170184610Salfred *ppf = NULL; 171184610Salfred } 172184610Salfred} 173184610Salfred 174184610Salfredstatic void 175184610Salfreduss820dci_pull_up(struct uss820dci_softc *sc) 176184610Salfred{ 177184610Salfred uint8_t temp; 178184610Salfred 179184610Salfred /* pullup D+, if possible */ 180184610Salfred 181184610Salfred if (!sc->sc_flags.d_pulled_up && 182184610Salfred sc->sc_flags.port_powered) { 183184610Salfred sc->sc_flags.d_pulled_up = 1; 184184610Salfred 185184610Salfred DPRINTF("\n"); 186184610Salfred 187184610Salfred temp = USS820_READ_1(sc, USS820_MCSR); 188184610Salfred temp |= USS820_MCSR_DPEN; 189184610Salfred USS820_WRITE_1(sc, USS820_MCSR, temp); 190184610Salfred } 191184610Salfred} 192184610Salfred 193184610Salfredstatic void 194184610Salfreduss820dci_pull_down(struct uss820dci_softc *sc) 195184610Salfred{ 196184610Salfred uint8_t temp; 197184610Salfred 198184610Salfred /* pulldown D+, if possible */ 199184610Salfred 200184610Salfred if (sc->sc_flags.d_pulled_up) { 201184610Salfred sc->sc_flags.d_pulled_up = 0; 202184610Salfred 203184610Salfred DPRINTF("\n"); 204184610Salfred 205184610Salfred temp = USS820_READ_1(sc, USS820_MCSR); 206184610Salfred temp &= ~USS820_MCSR_DPEN; 207184610Salfred USS820_WRITE_1(sc, USS820_MCSR, temp); 208184610Salfred } 209184610Salfred} 210184610Salfred 211184610Salfredstatic void 212184610Salfreduss820dci_wakeup_peer(struct uss820dci_softc *sc) 213184610Salfred{ 214184610Salfred if (!(sc->sc_flags.status_suspend)) { 215184610Salfred return; 216184610Salfred } 217184610Salfred DPRINTFN(0, "not supported\n"); 218184610Salfred} 219184610Salfred 220184610Salfredstatic void 221184610Salfreduss820dci_set_address(struct uss820dci_softc *sc, uint8_t addr) 222184610Salfred{ 223184610Salfred DPRINTFN(5, "addr=%d\n", addr); 224184610Salfred 225184610Salfred USS820_WRITE_1(sc, USS820_FADDR, addr); 226184610Salfred} 227184610Salfred 228184610Salfredstatic uint8_t 229184610Salfreduss820dci_setup_rx(struct uss820dci_td *td) 230184610Salfred{ 231184610Salfred struct uss820dci_softc *sc; 232184610Salfred struct usb2_device_request req; 233184610Salfred uint16_t count; 234184610Salfred uint8_t rx_stat; 235184610Salfred uint8_t temp; 236184610Salfred 237184610Salfred /* select the correct endpoint */ 238184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 239184610Salfred td->ep_reg, td->ep_index); 240184610Salfred 241184610Salfred /* read out FIFO status */ 242184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 243184610Salfred td->rx_stat_reg); 244184610Salfred 245184610Salfred /* get pointer to softc */ 246184610Salfred sc = USS820_DCI_PC2SC(td->pc); 247184610Salfred 248184610Salfred DPRINTFN(5, "rx_stat=0x%02x rem=%u\n", rx_stat, td->remainder); 249184610Salfred 250184610Salfred if (!(rx_stat & USS820_RXSTAT_RXSETUP)) { 251184610Salfred goto not_complete; 252184610Salfred } 253190721Sthompsa /* clear did stall */ 254190721Sthompsa td->did_stall = 0; 255190721Sthompsa 256184610Salfred /* clear stall and all I/O */ 257184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, 258184610Salfred 0xFF ^ (USS820_EPCON_TXSTL | 259184610Salfred USS820_EPCON_RXSTL | 260184610Salfred USS820_EPCON_RXIE | 261184610Salfred USS820_EPCON_TXOE), 0); 262184610Salfred 263184610Salfred /* clear end overwrite flag */ 264184610Salfred uss820dci_update_shared_1(sc, USS820_RXSTAT, 265184610Salfred 0xFF ^ USS820_RXSTAT_EDOVW, 0); 266184610Salfred 267184610Salfred /* get the packet byte count */ 268184610Salfred count = bus_space_read_1(td->io_tag, td->io_hdl, 269184610Salfred td->rx_count_low_reg); 270184610Salfred count |= (bus_space_read_1(td->io_tag, td->io_hdl, 271184610Salfred td->rx_count_high_reg) << 8); 272184610Salfred count &= 0x3FF; 273184610Salfred 274184610Salfred /* verify data length */ 275184610Salfred if (count != td->remainder) { 276184610Salfred DPRINTFN(0, "Invalid SETUP packet " 277184610Salfred "length, %d bytes\n", count); 278190722Sthompsa goto setup_not_complete; 279184610Salfred } 280184610Salfred if (count != sizeof(req)) { 281184610Salfred DPRINTFN(0, "Unsupported SETUP packet " 282184610Salfred "length, %d bytes\n", count); 283190722Sthompsa goto setup_not_complete; 284184610Salfred } 285184610Salfred /* receive data */ 286184610Salfred bus_space_read_multi_1(td->io_tag, td->io_hdl, 287184610Salfred td->rx_fifo_reg, (void *)&req, sizeof(req)); 288184610Salfred 289184610Salfred /* read out FIFO status */ 290184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 291184610Salfred td->rx_stat_reg); 292184610Salfred 293184610Salfred if (rx_stat & (USS820_RXSTAT_EDOVW | 294184610Salfred USS820_RXSTAT_STOVW)) { 295184610Salfred DPRINTF("new SETUP packet received\n"); 296184610Salfred return (1); /* not complete */ 297184610Salfred } 298184610Salfred /* clear receive setup bit */ 299184610Salfred uss820dci_update_shared_1(sc, USS820_RXSTAT, 300184610Salfred 0xFF ^ (USS820_RXSTAT_RXSETUP | 301184610Salfred USS820_RXSTAT_EDOVW | 302184610Salfred USS820_RXSTAT_STOVW), 0); 303184610Salfred 304184610Salfred /* set RXFFRC bit */ 305184610Salfred temp = bus_space_read_1(td->io_tag, td->io_hdl, 306184610Salfred td->rx_cntl_reg); 307184610Salfred temp |= USS820_RXCON_RXFFRC; 308184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 309184610Salfred td->rx_cntl_reg, temp); 310184610Salfred 311184610Salfred /* copy data into real buffer */ 312184610Salfred usb2_copy_in(td->pc, 0, &req, sizeof(req)); 313184610Salfred 314184610Salfred td->offset = sizeof(req); 315184610Salfred td->remainder = 0; 316184610Salfred 317184610Salfred /* sneak peek the set address */ 318184610Salfred if ((req.bmRequestType == UT_WRITE_DEVICE) && 319184610Salfred (req.bRequest == UR_SET_ADDRESS)) { 320184610Salfred sc->sc_dv_addr = req.wValue[0] & 0x7F; 321184610Salfred } else { 322184610Salfred sc->sc_dv_addr = 0xFF; 323184610Salfred } 324184610Salfred return (0); /* complete */ 325184610Salfred 326190722Sthompsasetup_not_complete: 327190722Sthompsa 328190722Sthompsa /* set RXFFRC bit */ 329190722Sthompsa temp = bus_space_read_1(td->io_tag, td->io_hdl, 330190722Sthompsa td->rx_cntl_reg); 331190722Sthompsa temp |= USS820_RXCON_RXFFRC; 332190722Sthompsa bus_space_write_1(td->io_tag, td->io_hdl, 333190722Sthompsa td->rx_cntl_reg, temp); 334190722Sthompsa 335190722Sthompsa /* FALLTHROUGH */ 336190722Sthompsa 337184610Salfrednot_complete: 338190721Sthompsa /* abort any ongoing transfer */ 339190721Sthompsa if (!td->did_stall) { 340190721Sthompsa DPRINTFN(5, "stalling\n"); 341190721Sthompsa /* set stall */ 342190721Sthompsa uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, 343190721Sthompsa (USS820_EPCON_TXSTL | USS820_EPCON_RXSTL)); 344190721Sthompsa 345190721Sthompsa td->did_stall = 1; 346190721Sthompsa } 347190721Sthompsa 348184610Salfred /* clear end overwrite flag, if any */ 349184610Salfred if (rx_stat & USS820_RXSTAT_RXSETUP) { 350184610Salfred uss820dci_update_shared_1(sc, USS820_RXSTAT, 351184610Salfred 0xFF ^ (USS820_RXSTAT_EDOVW | 352184610Salfred USS820_RXSTAT_STOVW | 353184610Salfred USS820_RXSTAT_RXSETUP), 0); 354184610Salfred } 355184610Salfred return (1); /* not complete */ 356184610Salfred 357184610Salfred} 358184610Salfred 359184610Salfredstatic uint8_t 360184610Salfreduss820dci_data_rx(struct uss820dci_td *td) 361184610Salfred{ 362184610Salfred struct usb2_page_search buf_res; 363184610Salfred uint16_t count; 364184610Salfred uint8_t rx_flag; 365184610Salfred uint8_t rx_stat; 366184610Salfred uint8_t rx_cntl; 367184610Salfred uint8_t to; 368184610Salfred uint8_t got_short; 369184610Salfred 370184610Salfred to = 2; /* don't loop forever! */ 371184610Salfred got_short = 0; 372184610Salfred 373184610Salfred /* select the correct endpoint */ 374184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, td->ep_reg, td->ep_index); 375184610Salfred 376184610Salfred /* check if any of the FIFO banks have data */ 377184610Salfredrepeat: 378184610Salfred /* read out FIFO flag */ 379184610Salfred rx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 380184610Salfred td->rx_flag_reg); 381184610Salfred /* read out FIFO status */ 382184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 383184610Salfred td->rx_stat_reg); 384184610Salfred 385184610Salfred DPRINTFN(5, "rx_stat=0x%02x rx_flag=0x%02x rem=%u\n", 386184610Salfred rx_stat, rx_flag, td->remainder); 387184610Salfred 388184610Salfred if (rx_stat & (USS820_RXSTAT_RXSETUP | 389184610Salfred USS820_RXSTAT_RXSOVW | 390184610Salfred USS820_RXSTAT_EDOVW)) { 391184610Salfred if (td->remainder == 0) { 392184610Salfred /* 393184610Salfred * We are actually complete and have 394184610Salfred * received the next SETUP 395184610Salfred */ 396184610Salfred DPRINTFN(5, "faking complete\n"); 397184610Salfred return (0); /* complete */ 398184610Salfred } 399184610Salfred /* 400184610Salfred * USB Host Aborted the transfer. 401184610Salfred */ 402184610Salfred td->error = 1; 403184610Salfred return (0); /* complete */ 404184610Salfred } 405184610Salfred /* check for errors */ 406184610Salfred if (rx_flag & (USS820_RXFLG_RXOVF | 407184610Salfred USS820_RXFLG_RXURF)) { 408184610Salfred DPRINTFN(5, "overflow or underflow\n"); 409184610Salfred /* should not happen */ 410184610Salfred td->error = 1; 411184610Salfred return (0); /* complete */ 412184610Salfred } 413184610Salfred /* check status */ 414184610Salfred if (!(rx_flag & (USS820_RXFLG_RXFIF0 | 415184610Salfred USS820_RXFLG_RXFIF1))) { 416184610Salfred 417184610Salfred /* read out EPCON register */ 418184610Salfred /* enable RX input */ 419184610Salfred if (!td->did_stall) { 420184610Salfred uss820dci_update_shared_1(USS820_DCI_PC2SC(td->pc), 421184610Salfred USS820_EPCON, 0xFF, USS820_EPCON_RXIE); 422184610Salfred td->did_stall = 1; 423184610Salfred } 424184610Salfred return (1); /* not complete */ 425184610Salfred } 426184610Salfred /* get the packet byte count */ 427184610Salfred count = bus_space_read_1(td->io_tag, td->io_hdl, 428184610Salfred td->rx_count_low_reg); 429184610Salfred 430184610Salfred count |= (bus_space_read_1(td->io_tag, td->io_hdl, 431184610Salfred td->rx_count_high_reg) << 8); 432184610Salfred count &= 0x3FF; 433184610Salfred 434184610Salfred DPRINTFN(5, "count=0x%04x\n", count); 435184610Salfred 436184610Salfred /* verify the packet byte count */ 437184610Salfred if (count != td->max_packet_size) { 438184610Salfred if (count < td->max_packet_size) { 439184610Salfred /* we have a short packet */ 440184610Salfred td->short_pkt = 1; 441184610Salfred got_short = 1; 442184610Salfred } else { 443184610Salfred /* invalid USB packet */ 444184610Salfred td->error = 1; 445184610Salfred return (0); /* we are complete */ 446184610Salfred } 447184610Salfred } 448184610Salfred /* verify the packet byte count */ 449184610Salfred if (count > td->remainder) { 450184610Salfred /* invalid USB packet */ 451184610Salfred td->error = 1; 452184610Salfred return (0); /* we are complete */ 453184610Salfred } 454184610Salfred while (count > 0) { 455184610Salfred usb2_get_page(td->pc, td->offset, &buf_res); 456184610Salfred 457184610Salfred /* get correct length */ 458184610Salfred if (buf_res.length > count) { 459184610Salfred buf_res.length = count; 460184610Salfred } 461184610Salfred /* receive data */ 462184610Salfred bus_space_read_multi_1(td->io_tag, td->io_hdl, 463184610Salfred td->rx_fifo_reg, buf_res.buffer, buf_res.length); 464184610Salfred 465184610Salfred /* update counters */ 466184610Salfred count -= buf_res.length; 467184610Salfred td->offset += buf_res.length; 468184610Salfred td->remainder -= buf_res.length; 469184610Salfred } 470184610Salfred 471184610Salfred /* set RXFFRC bit */ 472184610Salfred rx_cntl = bus_space_read_1(td->io_tag, td->io_hdl, 473184610Salfred td->rx_cntl_reg); 474184610Salfred rx_cntl |= USS820_RXCON_RXFFRC; 475184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 476184610Salfred td->rx_cntl_reg, rx_cntl); 477184610Salfred 478184610Salfred /* check if we are complete */ 479184610Salfred if ((td->remainder == 0) || got_short) { 480184610Salfred if (td->short_pkt) { 481184610Salfred /* we are complete */ 482184610Salfred return (0); 483184610Salfred } 484184610Salfred /* else need to receive a zero length packet */ 485184610Salfred } 486184610Salfred if (--to) { 487184610Salfred goto repeat; 488184610Salfred } 489184610Salfred return (1); /* not complete */ 490184610Salfred} 491184610Salfred 492184610Salfredstatic uint8_t 493184610Salfreduss820dci_data_tx(struct uss820dci_td *td) 494184610Salfred{ 495184610Salfred struct usb2_page_search buf_res; 496184610Salfred uint16_t count; 497184610Salfred uint16_t count_copy; 498184610Salfred uint8_t rx_stat; 499184610Salfred uint8_t tx_flag; 500184610Salfred uint8_t to; 501184610Salfred 502184610Salfred /* select the correct endpoint */ 503184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 504184610Salfred td->ep_reg, td->ep_index); 505184610Salfred 506184610Salfred to = 2; /* don't loop forever! */ 507184610Salfred 508184610Salfredrepeat: 509184610Salfred /* read out TX FIFO flags */ 510184610Salfred tx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 511184610Salfred td->tx_flag_reg); 512184610Salfred 513184610Salfred /* read out RX FIFO status last */ 514184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 515184610Salfred td->rx_stat_reg); 516184610Salfred 517184610Salfred DPRINTFN(5, "rx_stat=0x%02x tx_flag=0x%02x rem=%u\n", 518184610Salfred rx_stat, tx_flag, td->remainder); 519184610Salfred 520184610Salfred if (rx_stat & (USS820_RXSTAT_RXSETUP | 521184610Salfred USS820_RXSTAT_RXSOVW | 522184610Salfred USS820_RXSTAT_EDOVW)) { 523184610Salfred /* 524184610Salfred * The current transfer was aborted 525184610Salfred * by the USB Host 526184610Salfred */ 527184610Salfred td->error = 1; 528184610Salfred return (0); /* complete */ 529184610Salfred } 530184610Salfred if (tx_flag & (USS820_TXFLG_TXOVF | 531184610Salfred USS820_TXFLG_TXURF)) { 532184610Salfred td->error = 1; 533184610Salfred return (0); /* complete */ 534184610Salfred } 535184610Salfred if (tx_flag & USS820_TXFLG_TXFIF0) { 536184610Salfred if (tx_flag & USS820_TXFLG_TXFIF1) { 537184610Salfred return (1); /* not complete */ 538184610Salfred } 539184610Salfred } 540184610Salfred if ((!td->support_multi_buffer) && 541184610Salfred (tx_flag & (USS820_TXFLG_TXFIF0 | 542184610Salfred USS820_TXFLG_TXFIF1))) { 543184610Salfred return (1); /* not complete */ 544184610Salfred } 545184610Salfred count = td->max_packet_size; 546184610Salfred if (td->remainder < count) { 547184610Salfred /* we have a short packet */ 548184610Salfred td->short_pkt = 1; 549184610Salfred count = td->remainder; 550184610Salfred } 551184610Salfred count_copy = count; 552184610Salfred while (count > 0) { 553184610Salfred 554184610Salfred usb2_get_page(td->pc, td->offset, &buf_res); 555184610Salfred 556184610Salfred /* get correct length */ 557184610Salfred if (buf_res.length > count) { 558184610Salfred buf_res.length = count; 559184610Salfred } 560184610Salfred /* transmit data */ 561184610Salfred bus_space_write_multi_1(td->io_tag, td->io_hdl, 562184610Salfred td->tx_fifo_reg, buf_res.buffer, buf_res.length); 563184610Salfred 564184610Salfred /* update counters */ 565184610Salfred count -= buf_res.length; 566184610Salfred td->offset += buf_res.length; 567184610Salfred td->remainder -= buf_res.length; 568184610Salfred } 569184610Salfred 570184610Salfred /* post-write high packet byte count first */ 571184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 572184610Salfred td->tx_count_high_reg, count_copy >> 8); 573184610Salfred 574184610Salfred /* post-write low packet byte count last */ 575184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 576184610Salfred td->tx_count_low_reg, count_copy); 577184610Salfred 578184610Salfred /* 579184610Salfred * Enable TX output, which must happen after that we have written 580184610Salfred * data into the FIFO. This is undocumented. 581184610Salfred */ 582184610Salfred if (!td->did_stall) { 583184610Salfred uss820dci_update_shared_1(USS820_DCI_PC2SC(td->pc), 584184610Salfred USS820_EPCON, 0xFF, USS820_EPCON_TXOE); 585184610Salfred td->did_stall = 1; 586184610Salfred } 587184610Salfred /* check remainder */ 588184610Salfred if (td->remainder == 0) { 589184610Salfred if (td->short_pkt) { 590184610Salfred return (0); /* complete */ 591184610Salfred } 592184610Salfred /* else we need to transmit a short packet */ 593184610Salfred } 594184610Salfred if (--to) { 595184610Salfred goto repeat; 596184610Salfred } 597184610Salfred return (1); /* not complete */ 598184610Salfred} 599184610Salfred 600184610Salfredstatic uint8_t 601184610Salfreduss820dci_data_tx_sync(struct uss820dci_td *td) 602184610Salfred{ 603184610Salfred struct uss820dci_softc *sc; 604184610Salfred uint8_t rx_stat; 605184610Salfred uint8_t tx_flag; 606184610Salfred 607184610Salfred /* select the correct endpoint */ 608184610Salfred bus_space_write_1(td->io_tag, td->io_hdl, 609184610Salfred td->ep_reg, td->ep_index); 610184610Salfred 611184610Salfred /* read out TX FIFO flag */ 612184610Salfred tx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 613184610Salfred td->tx_flag_reg); 614184610Salfred 615184610Salfred /* read out RX FIFO status last */ 616184610Salfred rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 617184610Salfred td->rx_stat_reg); 618184610Salfred 619184610Salfred DPRINTFN(5, "rx_stat=0x%02x rem=%u\n", rx_stat, td->remainder); 620184610Salfred 621184610Salfred if (rx_stat & (USS820_RXSTAT_RXSETUP | 622184610Salfred USS820_RXSTAT_RXSOVW | 623184610Salfred USS820_RXSTAT_EDOVW)) { 624184610Salfred DPRINTFN(5, "faking complete\n"); 625184610Salfred /* Race condition */ 626184610Salfred return (0); /* complete */ 627184610Salfred } 628184610Salfred DPRINTFN(5, "tx_flag=0x%02x rem=%u\n", 629184610Salfred tx_flag, td->remainder); 630184610Salfred 631184610Salfred if (tx_flag & (USS820_TXFLG_TXOVF | 632184610Salfred USS820_TXFLG_TXURF)) { 633184610Salfred td->error = 1; 634184610Salfred return (0); /* complete */ 635184610Salfred } 636184610Salfred if (tx_flag & (USS820_TXFLG_TXFIF0 | 637184610Salfred USS820_TXFLG_TXFIF1)) { 638184610Salfred return (1); /* not complete */ 639184610Salfred } 640184610Salfred sc = USS820_DCI_PC2SC(td->pc); 641184610Salfred if (sc->sc_dv_addr != 0xFF) { 642184610Salfred /* write function address */ 643184610Salfred uss820dci_set_address(sc, sc->sc_dv_addr); 644184610Salfred } 645184610Salfred return (0); /* complete */ 646184610Salfred} 647184610Salfred 648184610Salfredstatic uint8_t 649184610Salfreduss820dci_xfer_do_fifo(struct usb2_xfer *xfer) 650184610Salfred{ 651184610Salfred struct uss820dci_td *td; 652184610Salfred 653184610Salfred DPRINTFN(9, "\n"); 654184610Salfred 655184610Salfred td = xfer->td_transfer_cache; 656184610Salfred while (1) { 657184610Salfred if ((td->func) (td)) { 658184610Salfred /* operation in progress */ 659184610Salfred break; 660184610Salfred } 661184610Salfred if (((void *)td) == xfer->td_transfer_last) { 662184610Salfred goto done; 663184610Salfred } 664184610Salfred if (td->error) { 665184610Salfred goto done; 666184610Salfred } else if (td->remainder > 0) { 667184610Salfred /* 668184610Salfred * We had a short transfer. If there is no alternate 669184610Salfred * next, stop processing ! 670184610Salfred */ 671184610Salfred if (!td->alt_next) { 672184610Salfred goto done; 673184610Salfred } 674184610Salfred } 675184610Salfred /* 676184610Salfred * Fetch the next transfer descriptor. 677184610Salfred */ 678184610Salfred td = td->obj_next; 679184610Salfred xfer->td_transfer_cache = td; 680184610Salfred } 681184610Salfred return (1); /* not complete */ 682184610Salfred 683184610Salfreddone: 684184610Salfred /* compute all actual lengths */ 685184610Salfred 686184610Salfred uss820dci_standard_done(xfer); 687184610Salfred 688184610Salfred return (0); /* complete */ 689184610Salfred} 690184610Salfred 691184610Salfredstatic void 692184610Salfreduss820dci_interrupt_poll(struct uss820dci_softc *sc) 693184610Salfred{ 694184610Salfred struct usb2_xfer *xfer; 695184610Salfred 696184610Salfredrepeat: 697184610Salfred TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { 698184610Salfred if (!uss820dci_xfer_do_fifo(xfer)) { 699184610Salfred /* queue has been modified */ 700184610Salfred goto repeat; 701184610Salfred } 702184610Salfred } 703184610Salfred} 704184610Salfred 705184610Salfredstatic void 706184610Salfreduss820dci_wait_suspend(struct uss820dci_softc *sc, uint8_t on) 707184610Salfred{ 708184610Salfred uint8_t scr; 709184610Salfred uint8_t scratch; 710184610Salfred 711184610Salfred scr = USS820_READ_1(sc, USS820_SCR); 712184610Salfred scratch = USS820_READ_1(sc, USS820_SCRATCH); 713184610Salfred 714184610Salfred if (on) { 715184610Salfred scr |= USS820_SCR_IE_SUSP; 716184610Salfred scratch &= ~USS820_SCRATCH_IE_RESUME; 717184610Salfred } else { 718184610Salfred scr &= ~USS820_SCR_IE_SUSP; 719184610Salfred scratch |= USS820_SCRATCH_IE_RESUME; 720184610Salfred } 721184610Salfred 722184610Salfred USS820_WRITE_1(sc, USS820_SCR, scr); 723184610Salfred USS820_WRITE_1(sc, USS820_SCRATCH, scratch); 724184610Salfred} 725184610Salfred 726184610Salfredvoid 727184610Salfreduss820dci_interrupt(struct uss820dci_softc *sc) 728184610Salfred{ 729184610Salfred uint8_t ssr; 730184610Salfred uint8_t event; 731184610Salfred 732184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 733184610Salfred 734184610Salfred ssr = USS820_READ_1(sc, USS820_SSR); 735184610Salfred 736184610Salfred ssr &= (USS820_SSR_SUSPEND | 737184610Salfred USS820_SSR_RESUME | 738184610Salfred USS820_SSR_RESET); 739184610Salfred 740184610Salfred /* acknowledge all interrupts */ 741184610Salfred 742184610Salfred uss820dci_update_shared_1(sc, USS820_SSR, 0, 0); 743184610Salfred 744184610Salfred /* check for any bus state change interrupts */ 745184610Salfred 746184610Salfred if (ssr) { 747184610Salfred 748184610Salfred event = 0; 749184610Salfred 750184610Salfred if (ssr & USS820_SSR_RESET) { 751184610Salfred sc->sc_flags.status_bus_reset = 1; 752184610Salfred sc->sc_flags.status_suspend = 0; 753184610Salfred sc->sc_flags.change_suspend = 0; 754184610Salfred sc->sc_flags.change_connect = 1; 755184610Salfred 756184610Salfred /* disable resume interrupt */ 757184610Salfred uss820dci_wait_suspend(sc, 1); 758184610Salfred 759184610Salfred event = 1; 760184610Salfred } 761184610Salfred /* 762184610Salfred * If "RESUME" and "SUSPEND" is set at the same time 763184610Salfred * we interpret that like "RESUME". Resume is set when 764184610Salfred * there is at least 3 milliseconds of inactivity on 765184610Salfred * the USB BUS. 766184610Salfred */ 767184610Salfred if (ssr & USS820_SSR_RESUME) { 768184610Salfred if (sc->sc_flags.status_suspend) { 769184610Salfred sc->sc_flags.status_suspend = 0; 770184610Salfred sc->sc_flags.change_suspend = 1; 771184610Salfred /* disable resume interrupt */ 772184610Salfred uss820dci_wait_suspend(sc, 1); 773184610Salfred event = 1; 774184610Salfred } 775184610Salfred } else if (ssr & USS820_SSR_SUSPEND) { 776184610Salfred if (!sc->sc_flags.status_suspend) { 777184610Salfred sc->sc_flags.status_suspend = 1; 778184610Salfred sc->sc_flags.change_suspend = 1; 779184610Salfred /* enable resume interrupt */ 780184610Salfred uss820dci_wait_suspend(sc, 0); 781184610Salfred event = 1; 782184610Salfred } 783184610Salfred } 784184610Salfred if (event) { 785184610Salfred 786184610Salfred DPRINTF("real bus interrupt 0x%02x\n", ssr); 787184610Salfred 788184610Salfred /* complete root HUB interrupt endpoint */ 789184610Salfred 790184610Salfred usb2_sw_transfer(&sc->sc_root_intr, 791184610Salfred &uss820dci_root_intr_done); 792184610Salfred } 793184610Salfred } 794184610Salfred /* acknowledge all SBI interrupts */ 795184610Salfred uss820dci_update_shared_1(sc, USS820_SBI, 0, 0); 796184610Salfred 797184610Salfred /* acknowledge all SBI1 interrupts */ 798184610Salfred uss820dci_update_shared_1(sc, USS820_SBI1, 0, 0); 799184610Salfred 800184610Salfred /* poll all active transfers */ 801184610Salfred uss820dci_interrupt_poll(sc); 802184610Salfred 803184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 804184610Salfred} 805184610Salfred 806184610Salfredstatic void 807184610Salfreduss820dci_setup_standard_chain_sub(struct uss820_std_temp *temp) 808184610Salfred{ 809184610Salfred struct uss820dci_td *td; 810184610Salfred 811184610Salfred /* get current Transfer Descriptor */ 812184610Salfred td = temp->td_next; 813184610Salfred temp->td = td; 814184610Salfred 815184610Salfred /* prepare for next TD */ 816184610Salfred temp->td_next = td->obj_next; 817184610Salfred 818184610Salfred /* fill out the Transfer Descriptor */ 819184610Salfred td->func = temp->func; 820184610Salfred td->pc = temp->pc; 821184610Salfred td->offset = temp->offset; 822184610Salfred td->remainder = temp->len; 823184610Salfred td->error = 0; 824184610Salfred td->did_stall = 0; 825184610Salfred td->short_pkt = temp->short_pkt; 826184610Salfred td->alt_next = temp->setup_alt_next; 827184610Salfred} 828184610Salfred 829184610Salfredstatic void 830184610Salfreduss820dci_setup_standard_chain(struct usb2_xfer *xfer) 831184610Salfred{ 832184610Salfred struct uss820_std_temp temp; 833184610Salfred struct uss820dci_softc *sc; 834184610Salfred struct uss820dci_td *td; 835184610Salfred uint32_t x; 836184610Salfred uint8_t ep_no; 837184610Salfred 838184610Salfred DPRINTFN(9, "addr=%d endpt=%d sumlen=%d speed=%d\n", 839184610Salfred xfer->address, UE_GET_ADDR(xfer->endpoint), 840187173Sthompsa xfer->sumlen, usb2_get_speed(xfer->xroot->udev)); 841184610Salfred 842184610Salfred temp.max_frame_size = xfer->max_frame_size; 843184610Salfred 844184610Salfred td = xfer->td_start[0]; 845184610Salfred xfer->td_transfer_first = td; 846184610Salfred xfer->td_transfer_cache = td; 847184610Salfred 848184610Salfred /* setup temp */ 849184610Salfred 850184610Salfred temp.td = NULL; 851184610Salfred temp.td_next = xfer->td_start[0]; 852190183Sthompsa temp.offset = 0; 853184610Salfred temp.setup_alt_next = xfer->flags_int.short_frames_ok; 854184610Salfred 855187173Sthompsa sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 856184610Salfred ep_no = (xfer->endpoint & UE_ADDR); 857184610Salfred 858184610Salfred /* check if we should prepend a setup message */ 859184610Salfred 860184610Salfred if (xfer->flags_int.control_xfr) { 861184610Salfred if (xfer->flags_int.control_hdr) { 862184610Salfred 863184610Salfred temp.func = &uss820dci_setup_rx; 864184610Salfred temp.len = xfer->frlengths[0]; 865184610Salfred temp.pc = xfer->frbuffers + 0; 866184610Salfred temp.short_pkt = temp.len ? 1 : 0; 867190183Sthompsa /* check for last frame */ 868190183Sthompsa if (xfer->nframes == 1) { 869190183Sthompsa /* no STATUS stage yet, SETUP is last */ 870190183Sthompsa if (xfer->flags_int.control_act) 871190183Sthompsa temp.setup_alt_next = 0; 872190183Sthompsa } 873184610Salfred 874184610Salfred uss820dci_setup_standard_chain_sub(&temp); 875184610Salfred } 876184610Salfred x = 1; 877184610Salfred } else { 878184610Salfred x = 0; 879184610Salfred } 880184610Salfred 881184610Salfred if (x != xfer->nframes) { 882184610Salfred if (xfer->endpoint & UE_DIR_IN) { 883184610Salfred temp.func = &uss820dci_data_tx; 884184610Salfred } else { 885184610Salfred temp.func = &uss820dci_data_rx; 886184610Salfred } 887184610Salfred 888184610Salfred /* setup "pc" pointer */ 889184610Salfred temp.pc = xfer->frbuffers + x; 890184610Salfred } 891184610Salfred while (x != xfer->nframes) { 892184610Salfred 893184610Salfred /* DATA0 / DATA1 message */ 894184610Salfred 895184610Salfred temp.len = xfer->frlengths[x]; 896184610Salfred 897184610Salfred x++; 898184610Salfred 899184610Salfred if (x == xfer->nframes) { 900190183Sthompsa if (xfer->flags_int.control_xfr) { 901190183Sthompsa if (xfer->flags_int.control_act) { 902190183Sthompsa temp.setup_alt_next = 0; 903190183Sthompsa } 904190183Sthompsa } else { 905190183Sthompsa temp.setup_alt_next = 0; 906190183Sthompsa } 907184610Salfred } 908184610Salfred if (temp.len == 0) { 909184610Salfred 910184610Salfred /* make sure that we send an USB packet */ 911184610Salfred 912184610Salfred temp.short_pkt = 0; 913184610Salfred 914184610Salfred } else { 915184610Salfred 916184610Salfred /* regular data transfer */ 917184610Salfred 918184610Salfred temp.short_pkt = (xfer->flags.force_short_xfer) ? 0 : 1; 919184610Salfred } 920184610Salfred 921184610Salfred uss820dci_setup_standard_chain_sub(&temp); 922184610Salfred 923184610Salfred if (xfer->flags_int.isochronous_xfr) { 924184610Salfred temp.offset += temp.len; 925184610Salfred } else { 926184610Salfred /* get next Page Cache pointer */ 927184610Salfred temp.pc = xfer->frbuffers + x; 928184610Salfred } 929184610Salfred } 930184610Salfred 931190183Sthompsa /* check for control transfer */ 932190183Sthompsa if (xfer->flags_int.control_xfr) { 933184610Salfred uint8_t need_sync; 934184610Salfred 935190183Sthompsa /* always setup a valid "pc" pointer for status and sync */ 936190183Sthompsa temp.pc = xfer->frbuffers + 0; 937184610Salfred temp.len = 0; 938184610Salfred temp.short_pkt = 0; 939190183Sthompsa temp.setup_alt_next = 0; 940184610Salfred 941190183Sthompsa /* check if we should append a status stage */ 942190183Sthompsa if (!xfer->flags_int.control_act) { 943190183Sthompsa 944190183Sthompsa /* 945190183Sthompsa * Send a DATA1 message and invert the current 946190183Sthompsa * endpoint direction. 947190183Sthompsa */ 948190183Sthompsa if (xfer->endpoint & UE_DIR_IN) { 949190183Sthompsa temp.func = &uss820dci_data_rx; 950190183Sthompsa need_sync = 0; 951190183Sthompsa } else { 952190183Sthompsa temp.func = &uss820dci_data_tx; 953190183Sthompsa need_sync = 1; 954190183Sthompsa } 955184610Salfred temp.len = 0; 956184610Salfred temp.short_pkt = 0; 957184610Salfred 958184610Salfred uss820dci_setup_standard_chain_sub(&temp); 959190183Sthompsa if (need_sync) { 960190183Sthompsa /* we need a SYNC point after TX */ 961190183Sthompsa temp.func = &uss820dci_data_tx_sync; 962190183Sthompsa uss820dci_setup_standard_chain_sub(&temp); 963190183Sthompsa } 964184610Salfred } 965184610Salfred } 966184610Salfred /* must have at least one frame! */ 967184610Salfred td = temp.td; 968184610Salfred xfer->td_transfer_last = td; 969184610Salfred} 970184610Salfred 971184610Salfredstatic void 972184610Salfreduss820dci_timeout(void *arg) 973184610Salfred{ 974184610Salfred struct usb2_xfer *xfer = arg; 975184610Salfred 976184610Salfred DPRINTF("xfer=%p\n", xfer); 977184610Salfred 978187173Sthompsa USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); 979184610Salfred 980184610Salfred /* transfer is transferred */ 981184610Salfred uss820dci_device_done(xfer, USB_ERR_TIMEOUT); 982184610Salfred} 983184610Salfred 984184610Salfredstatic void 985184610Salfreduss820dci_intr_set(struct usb2_xfer *xfer, uint8_t set) 986184610Salfred{ 987187173Sthompsa struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 988184610Salfred uint8_t ep_no = (xfer->endpoint & UE_ADDR); 989184610Salfred uint8_t ep_reg; 990184610Salfred uint8_t temp; 991184610Salfred 992184610Salfred DPRINTFN(15, "endpoint 0x%02x\n", xfer->endpoint); 993184610Salfred 994184610Salfred if (ep_no > 3) { 995184610Salfred ep_reg = USS820_SBIE1; 996184610Salfred } else { 997184610Salfred ep_reg = USS820_SBIE; 998184610Salfred } 999184610Salfred 1000184610Salfred ep_no &= 3; 1001184610Salfred ep_no = 1 << (2 * ep_no); 1002184610Salfred 1003184610Salfred if (xfer->flags_int.control_xfr) { 1004184610Salfred if (xfer->flags_int.control_hdr) { 1005184610Salfred ep_no <<= 1; /* RX interrupt only */ 1006184610Salfred } else { 1007184610Salfred ep_no |= (ep_no << 1); /* RX and TX interrupt */ 1008184610Salfred } 1009184610Salfred } else { 1010184610Salfred if (!(xfer->endpoint & UE_DIR_IN)) { 1011184610Salfred ep_no <<= 1; 1012184610Salfred } 1013184610Salfred } 1014184610Salfred temp = USS820_READ_1(sc, ep_reg); 1015184610Salfred if (set) { 1016184610Salfred temp |= ep_no; 1017184610Salfred } else { 1018184610Salfred temp &= ~ep_no; 1019184610Salfred } 1020184610Salfred USS820_WRITE_1(sc, ep_reg, temp); 1021184610Salfred} 1022184610Salfred 1023184610Salfredstatic void 1024184610Salfreduss820dci_start_standard_chain(struct usb2_xfer *xfer) 1025184610Salfred{ 1026184610Salfred DPRINTFN(9, "\n"); 1027184610Salfred 1028184610Salfred /* poll one time */ 1029184610Salfred if (uss820dci_xfer_do_fifo(xfer)) { 1030184610Salfred 1031184610Salfred /* 1032184610Salfred * Only enable the endpoint interrupt when we are 1033184610Salfred * actually waiting for data, hence we are dealing 1034184610Salfred * with level triggered interrupts ! 1035184610Salfred */ 1036184610Salfred uss820dci_intr_set(xfer, 1); 1037184610Salfred 1038184610Salfred /* put transfer on interrupt queue */ 1039187173Sthompsa usb2_transfer_enqueue(&xfer->xroot->bus->intr_q, xfer); 1040184610Salfred 1041184610Salfred /* start timeout, if any */ 1042184610Salfred if (xfer->timeout != 0) { 1043184610Salfred usb2_transfer_timeout_ms(xfer, 1044184610Salfred &uss820dci_timeout, xfer->timeout); 1045184610Salfred } 1046184610Salfred } 1047184610Salfred} 1048184610Salfred 1049184610Salfredstatic void 1050184610Salfreduss820dci_root_intr_done(struct usb2_xfer *xfer, 1051184610Salfred struct usb2_sw_transfer *std) 1052184610Salfred{ 1053187173Sthompsa struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 1054184610Salfred 1055184610Salfred DPRINTFN(9, "\n"); 1056184610Salfred 1057184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 1058184610Salfred 1059184610Salfred if (std->state != USB_SW_TR_PRE_DATA) { 1060184610Salfred if (std->state == USB_SW_TR_PRE_CALLBACK) { 1061184610Salfred /* transfer transferred */ 1062184610Salfred uss820dci_device_done(xfer, std->err); 1063184610Salfred } 1064184610Salfred goto done; 1065184610Salfred } 1066184610Salfred /* setup buffer */ 1067184610Salfred std->ptr = sc->sc_hub_idata; 1068184610Salfred std->len = sizeof(sc->sc_hub_idata); 1069184610Salfred 1070184610Salfred /* set port bit */ 1071184610Salfred sc->sc_hub_idata[0] = 0x02; /* we only have one port */ 1072184610Salfred 1073184610Salfreddone: 1074184610Salfred return; 1075184610Salfred} 1076184610Salfred 1077184610Salfredstatic usb2_error_t 1078184610Salfreduss820dci_standard_done_sub(struct usb2_xfer *xfer) 1079184610Salfred{ 1080184610Salfred struct uss820dci_td *td; 1081184610Salfred uint32_t len; 1082184610Salfred uint8_t error; 1083184610Salfred 1084184610Salfred DPRINTFN(9, "\n"); 1085184610Salfred 1086184610Salfred td = xfer->td_transfer_cache; 1087184610Salfred 1088184610Salfred do { 1089184610Salfred len = td->remainder; 1090184610Salfred 1091184610Salfred if (xfer->aframes != xfer->nframes) { 1092184610Salfred /* 1093184610Salfred * Verify the length and subtract 1094184610Salfred * the remainder from "frlengths[]": 1095184610Salfred */ 1096184610Salfred if (len > xfer->frlengths[xfer->aframes]) { 1097184610Salfred td->error = 1; 1098184610Salfred } else { 1099184610Salfred xfer->frlengths[xfer->aframes] -= len; 1100184610Salfred } 1101184610Salfred } 1102184610Salfred /* Check for transfer error */ 1103184610Salfred if (td->error) { 1104184610Salfred /* the transfer is finished */ 1105184610Salfred error = 1; 1106184610Salfred td = NULL; 1107184610Salfred break; 1108184610Salfred } 1109184610Salfred /* Check for short transfer */ 1110184610Salfred if (len > 0) { 1111184610Salfred if (xfer->flags_int.short_frames_ok) { 1112184610Salfred /* follow alt next */ 1113184610Salfred if (td->alt_next) { 1114184610Salfred td = td->obj_next; 1115184610Salfred } else { 1116184610Salfred td = NULL; 1117184610Salfred } 1118184610Salfred } else { 1119184610Salfred /* the transfer is finished */ 1120184610Salfred td = NULL; 1121184610Salfred } 1122184610Salfred error = 0; 1123184610Salfred break; 1124184610Salfred } 1125184610Salfred td = td->obj_next; 1126184610Salfred 1127184610Salfred /* this USB frame is complete */ 1128184610Salfred error = 0; 1129184610Salfred break; 1130184610Salfred 1131184610Salfred } while (0); 1132184610Salfred 1133184610Salfred /* update transfer cache */ 1134184610Salfred 1135184610Salfred xfer->td_transfer_cache = td; 1136184610Salfred 1137184610Salfred return (error ? 1138184610Salfred USB_ERR_STALLED : USB_ERR_NORMAL_COMPLETION); 1139184610Salfred} 1140184610Salfred 1141184610Salfredstatic void 1142184610Salfreduss820dci_standard_done(struct usb2_xfer *xfer) 1143184610Salfred{ 1144184610Salfred usb2_error_t err = 0; 1145184610Salfred 1146184610Salfred DPRINTFN(13, "xfer=%p pipe=%p transfer done\n", 1147184610Salfred xfer, xfer->pipe); 1148184610Salfred 1149184610Salfred /* reset scanner */ 1150184610Salfred 1151184610Salfred xfer->td_transfer_cache = xfer->td_transfer_first; 1152184610Salfred 1153184610Salfred if (xfer->flags_int.control_xfr) { 1154184610Salfred 1155184610Salfred if (xfer->flags_int.control_hdr) { 1156184610Salfred 1157184610Salfred err = uss820dci_standard_done_sub(xfer); 1158184610Salfred } 1159184610Salfred xfer->aframes = 1; 1160184610Salfred 1161184610Salfred if (xfer->td_transfer_cache == NULL) { 1162184610Salfred goto done; 1163184610Salfred } 1164184610Salfred } 1165184610Salfred while (xfer->aframes != xfer->nframes) { 1166184610Salfred 1167184610Salfred err = uss820dci_standard_done_sub(xfer); 1168184610Salfred xfer->aframes++; 1169184610Salfred 1170184610Salfred if (xfer->td_transfer_cache == NULL) { 1171184610Salfred goto done; 1172184610Salfred } 1173184610Salfred } 1174184610Salfred 1175184610Salfred if (xfer->flags_int.control_xfr && 1176184610Salfred !xfer->flags_int.control_act) { 1177184610Salfred 1178184610Salfred err = uss820dci_standard_done_sub(xfer); 1179184610Salfred } 1180184610Salfreddone: 1181184610Salfred uss820dci_device_done(xfer, err); 1182184610Salfred} 1183184610Salfred 1184184610Salfred/*------------------------------------------------------------------------* 1185184610Salfred * uss820dci_device_done 1186184610Salfred * 1187184610Salfred * NOTE: this function can be called more than one time on the 1188184610Salfred * same USB transfer! 1189184610Salfred *------------------------------------------------------------------------*/ 1190184610Salfredstatic void 1191184610Salfreduss820dci_device_done(struct usb2_xfer *xfer, usb2_error_t error) 1192184610Salfred{ 1193187173Sthompsa USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); 1194184610Salfred 1195184610Salfred DPRINTFN(2, "xfer=%p, pipe=%p, error=%d\n", 1196184610Salfred xfer, xfer->pipe, error); 1197184610Salfred 1198184610Salfred if (xfer->flags_int.usb2_mode == USB_MODE_DEVICE) { 1199184610Salfred uss820dci_intr_set(xfer, 0); 1200184610Salfred } 1201184610Salfred /* dequeue transfer and start next transfer */ 1202184610Salfred usb2_transfer_done(xfer, error); 1203184610Salfred} 1204184610Salfred 1205184610Salfredstatic void 1206184610Salfreduss820dci_set_stall(struct usb2_device *udev, struct usb2_xfer *xfer, 1207184610Salfred struct usb2_pipe *pipe) 1208184610Salfred{ 1209184610Salfred struct uss820dci_softc *sc; 1210184610Salfred uint8_t ep_no; 1211184610Salfred uint8_t ep_type; 1212184610Salfred uint8_t ep_dir; 1213184610Salfred uint8_t temp; 1214184610Salfred 1215184824Sthompsa USB_BUS_LOCK_ASSERT(udev->bus, MA_OWNED); 1216184610Salfred 1217184610Salfred DPRINTFN(5, "pipe=%p\n", pipe); 1218184610Salfred 1219184610Salfred if (xfer) { 1220184610Salfred /* cancel any ongoing transfers */ 1221184610Salfred uss820dci_device_done(xfer, USB_ERR_STALLED); 1222184610Salfred } 1223184610Salfred /* set FORCESTALL */ 1224184610Salfred sc = USS820_DCI_BUS2SC(udev->bus); 1225184610Salfred ep_no = (pipe->edesc->bEndpointAddress & UE_ADDR); 1226184610Salfred ep_dir = (pipe->edesc->bEndpointAddress & (UE_DIR_IN | UE_DIR_OUT)); 1227184610Salfred ep_type = (pipe->edesc->bmAttributes & UE_XFERTYPE); 1228184610Salfred 1229184610Salfred if (ep_type == UE_CONTROL) { 1230184610Salfred /* should not happen */ 1231184610Salfred return; 1232184610Salfred } 1233184610Salfred USS820_WRITE_1(sc, USS820_EPINDEX, ep_no); 1234184610Salfred 1235184610Salfred if (ep_dir == UE_DIR_IN) { 1236184610Salfred temp = USS820_EPCON_TXSTL; 1237184610Salfred } else { 1238184610Salfred temp = USS820_EPCON_RXSTL; 1239184610Salfred } 1240184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, temp); 1241184610Salfred} 1242184610Salfred 1243184610Salfredstatic void 1244184610Salfreduss820dci_clear_stall_sub(struct uss820dci_softc *sc, 1245184610Salfred uint8_t ep_no, uint8_t ep_type, uint8_t ep_dir) 1246184610Salfred{ 1247184610Salfred uint8_t temp; 1248184610Salfred 1249184610Salfred if (ep_type == UE_CONTROL) { 1250184610Salfred /* clearing stall is not needed */ 1251184610Salfred return; 1252184610Salfred } 1253184610Salfred /* select endpoint index */ 1254184610Salfred USS820_WRITE_1(sc, USS820_EPINDEX, ep_no); 1255184610Salfred 1256184610Salfred /* clear stall and disable I/O transfers */ 1257184610Salfred if (ep_dir == UE_DIR_IN) { 1258184610Salfred temp = 0xFF ^ (USS820_EPCON_TXOE | 1259184610Salfred USS820_EPCON_TXSTL); 1260184610Salfred } else { 1261184610Salfred temp = 0xFF ^ (USS820_EPCON_RXIE | 1262184610Salfred USS820_EPCON_RXSTL); 1263184610Salfred } 1264184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, temp, 0); 1265184610Salfred 1266184610Salfred if (ep_dir == UE_DIR_IN) { 1267184610Salfred /* reset data toggle */ 1268184610Salfred USS820_WRITE_1(sc, USS820_TXSTAT, 1269184610Salfred USS820_TXSTAT_TXSOVW); 1270184610Salfred 1271184610Salfred /* reset FIFO */ 1272184610Salfred temp = USS820_READ_1(sc, USS820_TXCON); 1273184610Salfred temp |= USS820_TXCON_TXCLR; 1274184610Salfred USS820_WRITE_1(sc, USS820_TXCON, temp); 1275184610Salfred temp &= ~USS820_TXCON_TXCLR; 1276184610Salfred USS820_WRITE_1(sc, USS820_TXCON, temp); 1277184610Salfred } else { 1278184610Salfred 1279184610Salfred /* reset data toggle */ 1280184610Salfred uss820dci_update_shared_1(sc, USS820_RXSTAT, 1281184610Salfred 0, USS820_RXSTAT_RXSOVW); 1282184610Salfred 1283184610Salfred /* reset FIFO */ 1284184610Salfred temp = USS820_READ_1(sc, USS820_RXCON); 1285184610Salfred temp |= USS820_RXCON_RXCLR; 1286184610Salfred temp &= ~USS820_RXCON_RXFFRC; 1287184610Salfred USS820_WRITE_1(sc, USS820_RXCON, temp); 1288184610Salfred temp &= ~USS820_RXCON_RXCLR; 1289184610Salfred USS820_WRITE_1(sc, USS820_RXCON, temp); 1290184610Salfred } 1291184610Salfred} 1292184610Salfred 1293184610Salfredstatic void 1294184610Salfreduss820dci_clear_stall(struct usb2_device *udev, struct usb2_pipe *pipe) 1295184610Salfred{ 1296184610Salfred struct uss820dci_softc *sc; 1297184610Salfred struct usb2_endpoint_descriptor *ed; 1298184610Salfred 1299184824Sthompsa USB_BUS_LOCK_ASSERT(udev->bus, MA_OWNED); 1300184610Salfred 1301184610Salfred DPRINTFN(5, "pipe=%p\n", pipe); 1302184610Salfred 1303184610Salfred /* check mode */ 1304184610Salfred if (udev->flags.usb2_mode != USB_MODE_DEVICE) { 1305184610Salfred /* not supported */ 1306184610Salfred return; 1307184610Salfred } 1308184610Salfred /* get softc */ 1309184610Salfred sc = USS820_DCI_BUS2SC(udev->bus); 1310184610Salfred 1311184610Salfred /* get endpoint descriptor */ 1312184610Salfred ed = pipe->edesc; 1313184610Salfred 1314184610Salfred /* reset endpoint */ 1315184610Salfred uss820dci_clear_stall_sub(sc, 1316184610Salfred (ed->bEndpointAddress & UE_ADDR), 1317184610Salfred (ed->bmAttributes & UE_XFERTYPE), 1318184610Salfred (ed->bEndpointAddress & (UE_DIR_IN | UE_DIR_OUT))); 1319184610Salfred} 1320184610Salfred 1321184610Salfredusb2_error_t 1322184610Salfreduss820dci_init(struct uss820dci_softc *sc) 1323184610Salfred{ 1324184610Salfred const struct usb2_hw_ep_profile *pf; 1325184610Salfred uint8_t n; 1326184610Salfred uint8_t temp; 1327184610Salfred 1328184610Salfred DPRINTF("start\n"); 1329184610Salfred 1330184610Salfred /* set up the bus structure */ 1331184610Salfred sc->sc_bus.usbrev = USB_REV_1_1; 1332184610Salfred sc->sc_bus.methods = &uss820dci_bus_methods; 1333184610Salfred 1334184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 1335184610Salfred 1336184610Salfred /* we always have VBUS */ 1337184610Salfred sc->sc_flags.status_vbus = 1; 1338184610Salfred 1339184610Salfred /* reset the chip */ 1340184610Salfred USS820_WRITE_1(sc, USS820_SCR, USS820_SCR_SRESET); 1341184610Salfred DELAY(100); 1342184610Salfred USS820_WRITE_1(sc, USS820_SCR, 0); 1343184610Salfred 1344184610Salfred /* wait for reset to complete */ 1345184610Salfred for (n = 0;; n++) { 1346184610Salfred 1347184610Salfred temp = USS820_READ_1(sc, USS820_MCSR); 1348184610Salfred 1349184610Salfred if (temp & USS820_MCSR_INIT) { 1350184610Salfred break; 1351184610Salfred } 1352184610Salfred if (n == 100) { 1353184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1354184610Salfred return (USB_ERR_INVAL); 1355184610Salfred } 1356184610Salfred /* wait a little for things to stabilise */ 1357184610Salfred DELAY(100); 1358184610Salfred } 1359184610Salfred 1360184610Salfred /* do a pulldown */ 1361184610Salfred uss820dci_pull_down(sc); 1362184610Salfred 1363184610Salfred /* wait 10ms for pulldown to stabilise */ 1364188409Sthompsa usb2_pause_mtx(&sc->sc_bus.bus_mtx, hz / 100); 1365184610Salfred 1366184610Salfred /* check hardware revision */ 1367184610Salfred temp = USS820_READ_1(sc, USS820_REV); 1368184610Salfred 1369184610Salfred if (temp < 0x13) { 1370184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1371184610Salfred return (USB_ERR_INVAL); 1372184610Salfred } 1373184610Salfred /* enable interrupts */ 1374184610Salfred USS820_WRITE_1(sc, USS820_SCR, 1375184610Salfred USS820_SCR_T_IRQ | 1376184610Salfred USS820_SCR_IE_RESET | 1377186730Salfred /* USS820_SCR_RWUPE | */ 1378184610Salfred USS820_SCR_IE_SUSP | 1379184610Salfred USS820_SCR_IRQPOL); 1380184610Salfred 1381184610Salfred /* enable interrupts */ 1382184610Salfred USS820_WRITE_1(sc, USS820_SCRATCH, 1383184610Salfred USS820_SCRATCH_IE_RESUME); 1384184610Salfred 1385184610Salfred /* enable features */ 1386184610Salfred USS820_WRITE_1(sc, USS820_MCSR, 1387184610Salfred USS820_MCSR_BDFEAT | 1388184610Salfred USS820_MCSR_FEAT); 1389184610Salfred 1390184610Salfred sc->sc_flags.mcsr_feat = 1; 1391184610Salfred 1392184610Salfred /* disable interrupts */ 1393184610Salfred USS820_WRITE_1(sc, USS820_SBIE, 0); 1394184610Salfred 1395184610Salfred /* disable interrupts */ 1396184610Salfred USS820_WRITE_1(sc, USS820_SBIE1, 0); 1397184610Salfred 1398184610Salfred /* disable all endpoints */ 1399184610Salfred for (n = 0; n != USS820_EP_MAX; n++) { 1400184610Salfred 1401184610Salfred /* select endpoint */ 1402184610Salfred USS820_WRITE_1(sc, USS820_EPINDEX, n); 1403184610Salfred 1404184610Salfred /* disable endpoint */ 1405184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, 0, 0); 1406184610Salfred } 1407184610Salfred 1408184610Salfred /* 1409184610Salfred * Initialise default values for some registers that cannot be 1410184610Salfred * changed during operation! 1411184610Salfred */ 1412184610Salfred for (n = 0; n != USS820_EP_MAX; n++) { 1413184610Salfred 1414184610Salfred uss820dci_get_hw_ep_profile(NULL, &pf, n); 1415184610Salfred 1416184610Salfred /* the maximum frame sizes should be the same */ 1417184610Salfred if (pf->max_in_frame_size != pf->max_out_frame_size) { 1418184610Salfred DPRINTF("Max frame size mismatch %u != %u\n", 1419184610Salfred pf->max_in_frame_size, pf->max_out_frame_size); 1420184610Salfred } 1421184610Salfred if (pf->support_isochronous) { 1422184610Salfred if (pf->max_in_frame_size <= 64) { 1423184610Salfred temp = (USS820_TXCON_FFSZ_16_64 | 1424184610Salfred USS820_TXCON_TXISO | 1425184610Salfred USS820_TXCON_ATM); 1426184610Salfred } else if (pf->max_in_frame_size <= 256) { 1427184610Salfred temp = (USS820_TXCON_FFSZ_64_256 | 1428184610Salfred USS820_TXCON_TXISO | 1429184610Salfred USS820_TXCON_ATM); 1430184610Salfred } else if (pf->max_in_frame_size <= 512) { 1431184610Salfred temp = (USS820_TXCON_FFSZ_8_512 | 1432184610Salfred USS820_TXCON_TXISO | 1433184610Salfred USS820_TXCON_ATM); 1434184610Salfred } else { /* 1024 bytes */ 1435184610Salfred temp = (USS820_TXCON_FFSZ_32_1024 | 1436184610Salfred USS820_TXCON_TXISO | 1437184610Salfred USS820_TXCON_ATM); 1438184610Salfred } 1439184610Salfred } else { 1440184610Salfred if ((pf->max_in_frame_size <= 8) && 1441184610Salfred (sc->sc_flags.mcsr_feat)) { 1442184610Salfred temp = (USS820_TXCON_FFSZ_8_512 | 1443184610Salfred USS820_TXCON_ATM); 1444184610Salfred } else if (pf->max_in_frame_size <= 16) { 1445184610Salfred temp = (USS820_TXCON_FFSZ_16_64 | 1446184610Salfred USS820_TXCON_ATM); 1447184610Salfred } else if ((pf->max_in_frame_size <= 32) && 1448184610Salfred (sc->sc_flags.mcsr_feat)) { 1449184610Salfred temp = (USS820_TXCON_FFSZ_32_1024 | 1450184610Salfred USS820_TXCON_ATM); 1451184610Salfred } else { /* 64 bytes */ 1452184610Salfred temp = (USS820_TXCON_FFSZ_64_256 | 1453184610Salfred USS820_TXCON_ATM); 1454184610Salfred } 1455184610Salfred } 1456184610Salfred 1457184610Salfred /* need to configure the chip early */ 1458184610Salfred 1459184610Salfred USS820_WRITE_1(sc, USS820_EPINDEX, n); 1460184610Salfred USS820_WRITE_1(sc, USS820_TXCON, temp); 1461184610Salfred USS820_WRITE_1(sc, USS820_RXCON, temp); 1462184610Salfred 1463184610Salfred if (pf->support_control) { 1464184610Salfred temp = USS820_EPCON_CTLEP | 1465184610Salfred USS820_EPCON_RXSPM | 1466184610Salfred USS820_EPCON_RXIE | 1467184610Salfred USS820_EPCON_RXEPEN | 1468184610Salfred USS820_EPCON_TXOE | 1469184610Salfred USS820_EPCON_TXEPEN; 1470184610Salfred } else { 1471184610Salfred temp = USS820_EPCON_RXEPEN | USS820_EPCON_TXEPEN; 1472184610Salfred } 1473184610Salfred 1474184610Salfred uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, temp); 1475184610Salfred } 1476184610Salfred 1477184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1478184610Salfred 1479184610Salfred /* catch any lost interrupts */ 1480184610Salfred 1481184610Salfred uss820dci_do_poll(&sc->sc_bus); 1482184610Salfred 1483184610Salfred return (0); /* success */ 1484184610Salfred} 1485184610Salfred 1486184610Salfredvoid 1487184610Salfreduss820dci_uninit(struct uss820dci_softc *sc) 1488184610Salfred{ 1489184610Salfred uint8_t temp; 1490184610Salfred 1491184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 1492184610Salfred 1493184610Salfred /* disable all interrupts */ 1494184610Salfred temp = USS820_READ_1(sc, USS820_SCR); 1495184610Salfred temp &= ~USS820_SCR_T_IRQ; 1496184610Salfred USS820_WRITE_1(sc, USS820_SCR, temp); 1497184610Salfred 1498184610Salfred sc->sc_flags.port_powered = 0; 1499184610Salfred sc->sc_flags.status_vbus = 0; 1500184610Salfred sc->sc_flags.status_bus_reset = 0; 1501184610Salfred sc->sc_flags.status_suspend = 0; 1502184610Salfred sc->sc_flags.change_suspend = 0; 1503184610Salfred sc->sc_flags.change_connect = 1; 1504184610Salfred 1505184610Salfred uss820dci_pull_down(sc); 1506184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1507184610Salfred} 1508184610Salfred 1509184610Salfredvoid 1510184610Salfreduss820dci_suspend(struct uss820dci_softc *sc) 1511184610Salfred{ 1512184610Salfred return; 1513184610Salfred} 1514184610Salfred 1515184610Salfredvoid 1516184610Salfreduss820dci_resume(struct uss820dci_softc *sc) 1517184610Salfred{ 1518184610Salfred return; 1519184610Salfred} 1520184610Salfred 1521184610Salfredstatic void 1522184610Salfreduss820dci_do_poll(struct usb2_bus *bus) 1523184610Salfred{ 1524184610Salfred struct uss820dci_softc *sc = USS820_DCI_BUS2SC(bus); 1525184610Salfred 1526184824Sthompsa USB_BUS_LOCK(&sc->sc_bus); 1527184610Salfred uss820dci_interrupt_poll(sc); 1528184610Salfred uss820dci_root_ctrl_poll(sc); 1529184824Sthompsa USB_BUS_UNLOCK(&sc->sc_bus); 1530184610Salfred} 1531184610Salfred 1532184610Salfred/*------------------------------------------------------------------------* 1533184610Salfred * at91dci bulk support 1534184610Salfred *------------------------------------------------------------------------*/ 1535184610Salfredstatic void 1536184610Salfreduss820dci_device_bulk_open(struct usb2_xfer *xfer) 1537184610Salfred{ 1538184610Salfred return; 1539184610Salfred} 1540184610Salfred 1541184610Salfredstatic void 1542184610Salfreduss820dci_device_bulk_close(struct usb2_xfer *xfer) 1543184610Salfred{ 1544184610Salfred uss820dci_device_done(xfer, USB_ERR_CANCELLED); 1545184610Salfred} 1546184610Salfred 1547184610Salfredstatic void 1548184610Salfreduss820dci_device_bulk_enter(struct usb2_xfer *xfer) 1549184610Salfred{ 1550184610Salfred return; 1551184610Salfred} 1552184610Salfred 1553184610Salfredstatic void 1554184610Salfreduss820dci_device_bulk_start(struct usb2_xfer *xfer) 1555184610Salfred{ 1556184610Salfred /* setup TDs */ 1557184610Salfred uss820dci_setup_standard_chain(xfer); 1558184610Salfred uss820dci_start_standard_chain(xfer); 1559184610Salfred} 1560184610Salfred 1561184610Salfredstruct usb2_pipe_methods uss820dci_device_bulk_methods = 1562184610Salfred{ 1563184610Salfred .open = uss820dci_device_bulk_open, 1564184610Salfred .close = uss820dci_device_bulk_close, 1565184610Salfred .enter = uss820dci_device_bulk_enter, 1566184610Salfred .start = uss820dci_device_bulk_start, 1567184610Salfred .enter_is_cancelable = 1, 1568184610Salfred .start_is_cancelable = 1, 1569184610Salfred}; 1570184610Salfred 1571184610Salfred/*------------------------------------------------------------------------* 1572184610Salfred * at91dci control support 1573184610Salfred *------------------------------------------------------------------------*/ 1574184610Salfredstatic void 1575184610Salfreduss820dci_device_ctrl_open(struct usb2_xfer *xfer) 1576184610Salfred{ 1577184610Salfred return; 1578184610Salfred} 1579184610Salfred 1580184610Salfredstatic void 1581184610Salfreduss820dci_device_ctrl_close(struct usb2_xfer *xfer) 1582184610Salfred{ 1583184610Salfred uss820dci_device_done(xfer, USB_ERR_CANCELLED); 1584184610Salfred} 1585184610Salfred 1586184610Salfredstatic void 1587184610Salfreduss820dci_device_ctrl_enter(struct usb2_xfer *xfer) 1588184610Salfred{ 1589184610Salfred return; 1590184610Salfred} 1591184610Salfred 1592184610Salfredstatic void 1593184610Salfreduss820dci_device_ctrl_start(struct usb2_xfer *xfer) 1594184610Salfred{ 1595184610Salfred /* setup TDs */ 1596184610Salfred uss820dci_setup_standard_chain(xfer); 1597184610Salfred uss820dci_start_standard_chain(xfer); 1598184610Salfred} 1599184610Salfred 1600184610Salfredstruct usb2_pipe_methods uss820dci_device_ctrl_methods = 1601184610Salfred{ 1602184610Salfred .open = uss820dci_device_ctrl_open, 1603184610Salfred .close = uss820dci_device_ctrl_close, 1604184610Salfred .enter = uss820dci_device_ctrl_enter, 1605184610Salfred .start = uss820dci_device_ctrl_start, 1606184610Salfred .enter_is_cancelable = 1, 1607184610Salfred .start_is_cancelable = 1, 1608184610Salfred}; 1609184610Salfred 1610184610Salfred/*------------------------------------------------------------------------* 1611184610Salfred * at91dci interrupt support 1612184610Salfred *------------------------------------------------------------------------*/ 1613184610Salfredstatic void 1614184610Salfreduss820dci_device_intr_open(struct usb2_xfer *xfer) 1615184610Salfred{ 1616184610Salfred return; 1617184610Salfred} 1618184610Salfred 1619184610Salfredstatic void 1620184610Salfreduss820dci_device_intr_close(struct usb2_xfer *xfer) 1621184610Salfred{ 1622184610Salfred uss820dci_device_done(xfer, USB_ERR_CANCELLED); 1623184610Salfred} 1624184610Salfred 1625184610Salfredstatic void 1626184610Salfreduss820dci_device_intr_enter(struct usb2_xfer *xfer) 1627184610Salfred{ 1628184610Salfred return; 1629184610Salfred} 1630184610Salfred 1631184610Salfredstatic void 1632184610Salfreduss820dci_device_intr_start(struct usb2_xfer *xfer) 1633184610Salfred{ 1634184610Salfred /* setup TDs */ 1635184610Salfred uss820dci_setup_standard_chain(xfer); 1636184610Salfred uss820dci_start_standard_chain(xfer); 1637184610Salfred} 1638184610Salfred 1639184610Salfredstruct usb2_pipe_methods uss820dci_device_intr_methods = 1640184610Salfred{ 1641184610Salfred .open = uss820dci_device_intr_open, 1642184610Salfred .close = uss820dci_device_intr_close, 1643184610Salfred .enter = uss820dci_device_intr_enter, 1644184610Salfred .start = uss820dci_device_intr_start, 1645184610Salfred .enter_is_cancelable = 1, 1646184610Salfred .start_is_cancelable = 1, 1647184610Salfred}; 1648184610Salfred 1649184610Salfred/*------------------------------------------------------------------------* 1650184610Salfred * at91dci full speed isochronous support 1651184610Salfred *------------------------------------------------------------------------*/ 1652184610Salfredstatic void 1653184610Salfreduss820dci_device_isoc_fs_open(struct usb2_xfer *xfer) 1654184610Salfred{ 1655184610Salfred return; 1656184610Salfred} 1657184610Salfred 1658184610Salfredstatic void 1659184610Salfreduss820dci_device_isoc_fs_close(struct usb2_xfer *xfer) 1660184610Salfred{ 1661184610Salfred uss820dci_device_done(xfer, USB_ERR_CANCELLED); 1662184610Salfred} 1663184610Salfred 1664184610Salfredstatic void 1665184610Salfreduss820dci_device_isoc_fs_enter(struct usb2_xfer *xfer) 1666184610Salfred{ 1667187173Sthompsa struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 1668184610Salfred uint32_t temp; 1669184610Salfred uint32_t nframes; 1670184610Salfred 1671184610Salfred DPRINTFN(6, "xfer=%p next=%d nframes=%d\n", 1672184610Salfred xfer, xfer->pipe->isoc_next, xfer->nframes); 1673184610Salfred 1674184610Salfred /* get the current frame index - we don't need the high bits */ 1675184610Salfred 1676184610Salfred nframes = USS820_READ_1(sc, USS820_SOFL); 1677184610Salfred 1678184610Salfred /* 1679184610Salfred * check if the frame index is within the window where the 1680184610Salfred * frames will be inserted 1681184610Salfred */ 1682184610Salfred temp = (nframes - xfer->pipe->isoc_next) & USS820_SOFL_MASK; 1683184610Salfred 1684184610Salfred if ((xfer->pipe->is_synced == 0) || 1685184610Salfred (temp < xfer->nframes)) { 1686184610Salfred /* 1687184610Salfred * If there is data underflow or the pipe queue is 1688184610Salfred * empty we schedule the transfer a few frames ahead 1689184610Salfred * of the current frame position. Else two isochronous 1690184610Salfred * transfers might overlap. 1691184610Salfred */ 1692184610Salfred xfer->pipe->isoc_next = (nframes + 3) & USS820_SOFL_MASK; 1693184610Salfred xfer->pipe->is_synced = 1; 1694184610Salfred DPRINTFN(3, "start next=%d\n", xfer->pipe->isoc_next); 1695184610Salfred } 1696184610Salfred /* 1697184610Salfred * compute how many milliseconds the insertion is ahead of the 1698184610Salfred * current frame position: 1699184610Salfred */ 1700184610Salfred temp = (xfer->pipe->isoc_next - nframes) & USS820_SOFL_MASK; 1701184610Salfred 1702184610Salfred /* 1703184610Salfred * pre-compute when the isochronous transfer will be finished: 1704184610Salfred */ 1705184610Salfred xfer->isoc_time_complete = 1706184610Salfred usb2_isoc_time_expand(&sc->sc_bus, nframes) + temp + 1707184610Salfred xfer->nframes; 1708184610Salfred 1709184610Salfred /* compute frame number for next insertion */ 1710184610Salfred xfer->pipe->isoc_next += xfer->nframes; 1711184610Salfred 1712184610Salfred /* setup TDs */ 1713184610Salfred uss820dci_setup_standard_chain(xfer); 1714184610Salfred} 1715184610Salfred 1716184610Salfredstatic void 1717184610Salfreduss820dci_device_isoc_fs_start(struct usb2_xfer *xfer) 1718184610Salfred{ 1719184610Salfred /* start TD chain */ 1720184610Salfred uss820dci_start_standard_chain(xfer); 1721184610Salfred} 1722184610Salfred 1723184610Salfredstruct usb2_pipe_methods uss820dci_device_isoc_fs_methods = 1724184610Salfred{ 1725184610Salfred .open = uss820dci_device_isoc_fs_open, 1726184610Salfred .close = uss820dci_device_isoc_fs_close, 1727184610Salfred .enter = uss820dci_device_isoc_fs_enter, 1728184610Salfred .start = uss820dci_device_isoc_fs_start, 1729184610Salfred .enter_is_cancelable = 1, 1730184610Salfred .start_is_cancelable = 1, 1731184610Salfred}; 1732184610Salfred 1733184610Salfred/*------------------------------------------------------------------------* 1734184610Salfred * at91dci root control support 1735184610Salfred *------------------------------------------------------------------------* 1736184610Salfred * simulate a hardware HUB by handling 1737184610Salfred * all the necessary requests 1738184610Salfred *------------------------------------------------------------------------*/ 1739184610Salfred 1740184610Salfredstatic void 1741184610Salfreduss820dci_root_ctrl_open(struct usb2_xfer *xfer) 1742184610Salfred{ 1743184610Salfred return; 1744184610Salfred} 1745184610Salfred 1746184610Salfredstatic void 1747184610Salfreduss820dci_root_ctrl_close(struct usb2_xfer *xfer) 1748184610Salfred{ 1749187173Sthompsa struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 1750184610Salfred 1751184610Salfred if (sc->sc_root_ctrl.xfer == xfer) { 1752184610Salfred sc->sc_root_ctrl.xfer = NULL; 1753184610Salfred } 1754184610Salfred uss820dci_device_done(xfer, USB_ERR_CANCELLED); 1755184610Salfred} 1756184610Salfred 1757184610Salfred/* 1758184610Salfred * USB descriptors for the virtual Root HUB: 1759184610Salfred */ 1760184610Salfred 1761184610Salfredstatic const struct usb2_device_descriptor uss820dci_devd = { 1762184610Salfred .bLength = sizeof(struct usb2_device_descriptor), 1763184610Salfred .bDescriptorType = UDESC_DEVICE, 1764184610Salfred .bcdUSB = {0x00, 0x02}, 1765184610Salfred .bDeviceClass = UDCLASS_HUB, 1766184610Salfred .bDeviceSubClass = UDSUBCLASS_HUB, 1767184610Salfred .bDeviceProtocol = UDPROTO_HSHUBSTT, 1768184610Salfred .bMaxPacketSize = 64, 1769184610Salfred .bcdDevice = {0x00, 0x01}, 1770184610Salfred .iManufacturer = 1, 1771184610Salfred .iProduct = 2, 1772184610Salfred .bNumConfigurations = 1, 1773184610Salfred}; 1774184610Salfred 1775184610Salfredstatic const struct usb2_device_qualifier uss820dci_odevd = { 1776184610Salfred .bLength = sizeof(struct usb2_device_qualifier), 1777184610Salfred .bDescriptorType = UDESC_DEVICE_QUALIFIER, 1778184610Salfred .bcdUSB = {0x00, 0x02}, 1779184610Salfred .bDeviceClass = UDCLASS_HUB, 1780184610Salfred .bDeviceSubClass = UDSUBCLASS_HUB, 1781184610Salfred .bDeviceProtocol = UDPROTO_FSHUB, 1782184610Salfred .bMaxPacketSize0 = 0, 1783184610Salfred .bNumConfigurations = 0, 1784184610Salfred}; 1785184610Salfred 1786184610Salfredstatic const struct uss820dci_config_desc uss820dci_confd = { 1787184610Salfred .confd = { 1788184610Salfred .bLength = sizeof(struct usb2_config_descriptor), 1789184610Salfred .bDescriptorType = UDESC_CONFIG, 1790184610Salfred .wTotalLength[0] = sizeof(uss820dci_confd), 1791184610Salfred .bNumInterface = 1, 1792184610Salfred .bConfigurationValue = 1, 1793184610Salfred .iConfiguration = 0, 1794184610Salfred .bmAttributes = UC_SELF_POWERED, 1795184610Salfred .bMaxPower = 0, 1796184610Salfred }, 1797184610Salfred .ifcd = { 1798184610Salfred .bLength = sizeof(struct usb2_interface_descriptor), 1799184610Salfred .bDescriptorType = UDESC_INTERFACE, 1800184610Salfred .bNumEndpoints = 1, 1801184610Salfred .bInterfaceClass = UICLASS_HUB, 1802184610Salfred .bInterfaceSubClass = UISUBCLASS_HUB, 1803184610Salfred .bInterfaceProtocol = UIPROTO_HSHUBSTT, 1804184610Salfred }, 1805184610Salfred 1806184610Salfred .endpd = { 1807184610Salfred .bLength = sizeof(struct usb2_endpoint_descriptor), 1808184610Salfred .bDescriptorType = UDESC_ENDPOINT, 1809184610Salfred .bEndpointAddress = (UE_DIR_IN | USS820_DCI_INTR_ENDPT), 1810184610Salfred .bmAttributes = UE_INTERRUPT, 1811184610Salfred .wMaxPacketSize[0] = 8, 1812184610Salfred .bInterval = 255, 1813184610Salfred }, 1814184610Salfred}; 1815184610Salfred 1816184610Salfredstatic const struct usb2_hub_descriptor_min uss820dci_hubd = { 1817184610Salfred .bDescLength = sizeof(uss820dci_hubd), 1818184610Salfred .bDescriptorType = UDESC_HUB, 1819184610Salfred .bNbrPorts = 1, 1820184610Salfred .wHubCharacteristics[0] = 1821184610Salfred (UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL) & 0xFF, 1822184610Salfred .wHubCharacteristics[1] = 1823187183Sthompsa (UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL) >> 8, 1824184610Salfred .bPwrOn2PwrGood = 50, 1825184610Salfred .bHubContrCurrent = 0, 1826184610Salfred .DeviceRemovable = {0}, /* port is removable */ 1827184610Salfred}; 1828184610Salfred 1829184610Salfred#define STRING_LANG \ 1830184610Salfred 0x09, 0x04, /* American English */ 1831184610Salfred 1832184610Salfred#define STRING_VENDOR \ 1833184610Salfred 'A', 0, 'G', 0, 'E', 0, 'R', 0, 'E', 0 1834184610Salfred 1835184610Salfred#define STRING_PRODUCT \ 1836184610Salfred 'D', 0, 'C', 0, 'I', 0, ' ', 0, 'R', 0, \ 1837184610Salfred 'o', 0, 'o', 0, 't', 0, ' ', 0, 'H', 0, \ 1838184610Salfred 'U', 0, 'B', 0, 1839184610Salfred 1840184610SalfredUSB_MAKE_STRING_DESC(STRING_LANG, uss820dci_langtab); 1841184610SalfredUSB_MAKE_STRING_DESC(STRING_VENDOR, uss820dci_vendor); 1842184610SalfredUSB_MAKE_STRING_DESC(STRING_PRODUCT, uss820dci_product); 1843184610Salfred 1844184610Salfredstatic void 1845184610Salfreduss820dci_root_ctrl_enter(struct usb2_xfer *xfer) 1846184610Salfred{ 1847184610Salfred return; 1848184610Salfred} 1849184610Salfred 1850184610Salfredstatic void 1851184610Salfreduss820dci_root_ctrl_start(struct usb2_xfer *xfer) 1852184610Salfred{ 1853187173Sthompsa struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 1854184610Salfred 1855184610Salfred sc->sc_root_ctrl.xfer = xfer; 1856184610Salfred 1857187173Sthompsa usb2_bus_roothub_exec(xfer->xroot->bus); 1858184610Salfred} 1859184610Salfred 1860184610Salfredstatic void 1861187172Sthompsauss820dci_root_ctrl_task(struct usb2_bus *bus) 1862184610Salfred{ 1863187172Sthompsa uss820dci_root_ctrl_poll(USS820_DCI_BUS2SC(bus)); 1864184610Salfred} 1865184610Salfred 1866184610Salfredstatic void 1867184610Salfreduss820dci_root_ctrl_done(struct usb2_xfer *xfer, 1868184610Salfred struct usb2_sw_transfer *std) 1869184610Salfred{ 1870187173Sthompsa struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 1871184610Salfred uint16_t value; 1872184610Salfred uint16_t index; 1873184610Salfred 1874184824Sthompsa USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 1875184610Salfred 1876184610Salfred if (std->state != USB_SW_TR_SETUP) { 1877184610Salfred if (std->state == USB_SW_TR_PRE_CALLBACK) { 1878184610Salfred /* transfer transferred */ 1879184610Salfred uss820dci_device_done(xfer, std->err); 1880184610Salfred } 1881184610Salfred goto done; 1882184610Salfred } 1883184610Salfred /* buffer reset */ 1884184610Salfred std->ptr = USB_ADD_BYTES(&sc->sc_hub_temp, 0); 1885184610Salfred std->len = 0; 1886184610Salfred 1887184610Salfred value = UGETW(std->req.wValue); 1888184610Salfred index = UGETW(std->req.wIndex); 1889184610Salfred 1890184610Salfred /* demultiplex the control request */ 1891184610Salfred 1892184610Salfred switch (std->req.bmRequestType) { 1893184610Salfred case UT_READ_DEVICE: 1894184610Salfred switch (std->req.bRequest) { 1895184610Salfred case UR_GET_DESCRIPTOR: 1896184610Salfred goto tr_handle_get_descriptor; 1897184610Salfred case UR_GET_CONFIG: 1898184610Salfred goto tr_handle_get_config; 1899184610Salfred case UR_GET_STATUS: 1900184610Salfred goto tr_handle_get_status; 1901184610Salfred default: 1902184610Salfred goto tr_stalled; 1903184610Salfred } 1904184610Salfred break; 1905184610Salfred 1906184610Salfred case UT_WRITE_DEVICE: 1907184610Salfred switch (std->req.bRequest) { 1908184610Salfred case UR_SET_ADDRESS: 1909184610Salfred goto tr_handle_set_address; 1910184610Salfred case UR_SET_CONFIG: 1911184610Salfred goto tr_handle_set_config; 1912184610Salfred case UR_CLEAR_FEATURE: 1913184610Salfred goto tr_valid; /* nop */ 1914184610Salfred case UR_SET_DESCRIPTOR: 1915184610Salfred goto tr_valid; /* nop */ 1916184610Salfred case UR_SET_FEATURE: 1917184610Salfred default: 1918184610Salfred goto tr_stalled; 1919184610Salfred } 1920184610Salfred break; 1921184610Salfred 1922184610Salfred case UT_WRITE_ENDPOINT: 1923184610Salfred switch (std->req.bRequest) { 1924184610Salfred case UR_CLEAR_FEATURE: 1925184610Salfred switch (UGETW(std->req.wValue)) { 1926184610Salfred case UF_ENDPOINT_HALT: 1927184610Salfred goto tr_handle_clear_halt; 1928184610Salfred case UF_DEVICE_REMOTE_WAKEUP: 1929184610Salfred goto tr_handle_clear_wakeup; 1930184610Salfred default: 1931184610Salfred goto tr_stalled; 1932184610Salfred } 1933184610Salfred break; 1934184610Salfred case UR_SET_FEATURE: 1935184610Salfred switch (UGETW(std->req.wValue)) { 1936184610Salfred case UF_ENDPOINT_HALT: 1937184610Salfred goto tr_handle_set_halt; 1938184610Salfred case UF_DEVICE_REMOTE_WAKEUP: 1939184610Salfred goto tr_handle_set_wakeup; 1940184610Salfred default: 1941184610Salfred goto tr_stalled; 1942184610Salfred } 1943184610Salfred break; 1944184610Salfred case UR_SYNCH_FRAME: 1945184610Salfred goto tr_valid; /* nop */ 1946184610Salfred default: 1947184610Salfred goto tr_stalled; 1948184610Salfred } 1949184610Salfred break; 1950184610Salfred 1951184610Salfred case UT_READ_ENDPOINT: 1952184610Salfred switch (std->req.bRequest) { 1953184610Salfred case UR_GET_STATUS: 1954184610Salfred goto tr_handle_get_ep_status; 1955184610Salfred default: 1956184610Salfred goto tr_stalled; 1957184610Salfred } 1958184610Salfred break; 1959184610Salfred 1960184610Salfred case UT_WRITE_INTERFACE: 1961184610Salfred switch (std->req.bRequest) { 1962184610Salfred case UR_SET_INTERFACE: 1963184610Salfred goto tr_handle_set_interface; 1964184610Salfred case UR_CLEAR_FEATURE: 1965184610Salfred goto tr_valid; /* nop */ 1966184610Salfred case UR_SET_FEATURE: 1967184610Salfred default: 1968184610Salfred goto tr_stalled; 1969184610Salfred } 1970184610Salfred break; 1971184610Salfred 1972184610Salfred case UT_READ_INTERFACE: 1973184610Salfred switch (std->req.bRequest) { 1974184610Salfred case UR_GET_INTERFACE: 1975184610Salfred goto tr_handle_get_interface; 1976184610Salfred case UR_GET_STATUS: 1977184610Salfred goto tr_handle_get_iface_status; 1978184610Salfred default: 1979184610Salfred goto tr_stalled; 1980184610Salfred } 1981184610Salfred break; 1982184610Salfred 1983184610Salfred case UT_WRITE_CLASS_INTERFACE: 1984184610Salfred case UT_WRITE_VENDOR_INTERFACE: 1985184610Salfred /* XXX forward */ 1986184610Salfred break; 1987184610Salfred 1988184610Salfred case UT_READ_CLASS_INTERFACE: 1989184610Salfred case UT_READ_VENDOR_INTERFACE: 1990184610Salfred /* XXX forward */ 1991184610Salfred break; 1992184610Salfred 1993184610Salfred case UT_WRITE_CLASS_DEVICE: 1994184610Salfred switch (std->req.bRequest) { 1995184610Salfred case UR_CLEAR_FEATURE: 1996184610Salfred goto tr_valid; 1997184610Salfred case UR_SET_DESCRIPTOR: 1998184610Salfred case UR_SET_FEATURE: 1999184610Salfred break; 2000184610Salfred default: 2001184610Salfred goto tr_stalled; 2002184610Salfred } 2003184610Salfred break; 2004184610Salfred 2005184610Salfred case UT_WRITE_CLASS_OTHER: 2006184610Salfred switch (std->req.bRequest) { 2007184610Salfred case UR_CLEAR_FEATURE: 2008184610Salfred goto tr_handle_clear_port_feature; 2009184610Salfred case UR_SET_FEATURE: 2010184610Salfred goto tr_handle_set_port_feature; 2011184610Salfred case UR_CLEAR_TT_BUFFER: 2012184610Salfred case UR_RESET_TT: 2013184610Salfred case UR_STOP_TT: 2014184610Salfred goto tr_valid; 2015184610Salfred 2016184610Salfred default: 2017184610Salfred goto tr_stalled; 2018184610Salfred } 2019184610Salfred break; 2020184610Salfred 2021184610Salfred case UT_READ_CLASS_OTHER: 2022184610Salfred switch (std->req.bRequest) { 2023184610Salfred case UR_GET_TT_STATE: 2024184610Salfred goto tr_handle_get_tt_state; 2025184610Salfred case UR_GET_STATUS: 2026184610Salfred goto tr_handle_get_port_status; 2027184610Salfred default: 2028184610Salfred goto tr_stalled; 2029184610Salfred } 2030184610Salfred break; 2031184610Salfred 2032184610Salfred case UT_READ_CLASS_DEVICE: 2033184610Salfred switch (std->req.bRequest) { 2034184610Salfred case UR_GET_DESCRIPTOR: 2035184610Salfred goto tr_handle_get_class_descriptor; 2036184610Salfred case UR_GET_STATUS: 2037184610Salfred goto tr_handle_get_class_status; 2038184610Salfred 2039184610Salfred default: 2040184610Salfred goto tr_stalled; 2041184610Salfred } 2042184610Salfred break; 2043184610Salfred default: 2044184610Salfred goto tr_stalled; 2045184610Salfred } 2046184610Salfred goto tr_valid; 2047184610Salfred 2048184610Salfredtr_handle_get_descriptor: 2049184610Salfred switch (value >> 8) { 2050184610Salfred case UDESC_DEVICE: 2051184610Salfred if (value & 0xff) { 2052184610Salfred goto tr_stalled; 2053184610Salfred } 2054184610Salfred std->len = sizeof(uss820dci_devd); 2055184610Salfred std->ptr = USB_ADD_BYTES(&uss820dci_devd, 0); 2056184610Salfred goto tr_valid; 2057184610Salfred case UDESC_CONFIG: 2058184610Salfred if (value & 0xff) { 2059184610Salfred goto tr_stalled; 2060184610Salfred } 2061184610Salfred std->len = sizeof(uss820dci_confd); 2062184610Salfred std->ptr = USB_ADD_BYTES(&uss820dci_confd, 0); 2063184610Salfred goto tr_valid; 2064184610Salfred case UDESC_STRING: 2065184610Salfred switch (value & 0xff) { 2066184610Salfred case 0: /* Language table */ 2067184610Salfred std->len = sizeof(uss820dci_langtab); 2068184610Salfred std->ptr = USB_ADD_BYTES(&uss820dci_langtab, 0); 2069184610Salfred goto tr_valid; 2070184610Salfred 2071184610Salfred case 1: /* Vendor */ 2072184610Salfred std->len = sizeof(uss820dci_vendor); 2073184610Salfred std->ptr = USB_ADD_BYTES(&uss820dci_vendor, 0); 2074184610Salfred goto tr_valid; 2075184610Salfred 2076184610Salfred case 2: /* Product */ 2077184610Salfred std->len = sizeof(uss820dci_product); 2078184610Salfred std->ptr = USB_ADD_BYTES(&uss820dci_product, 0); 2079184610Salfred goto tr_valid; 2080184610Salfred default: 2081184610Salfred break; 2082184610Salfred } 2083184610Salfred break; 2084184610Salfred default: 2085184610Salfred goto tr_stalled; 2086184610Salfred } 2087184610Salfred goto tr_stalled; 2088184610Salfred 2089184610Salfredtr_handle_get_config: 2090184610Salfred std->len = 1; 2091184610Salfred sc->sc_hub_temp.wValue[0] = sc->sc_conf; 2092184610Salfred goto tr_valid; 2093184610Salfred 2094184610Salfredtr_handle_get_status: 2095184610Salfred std->len = 2; 2096184610Salfred USETW(sc->sc_hub_temp.wValue, UDS_SELF_POWERED); 2097184610Salfred goto tr_valid; 2098184610Salfred 2099184610Salfredtr_handle_set_address: 2100184610Salfred if (value & 0xFF00) { 2101184610Salfred goto tr_stalled; 2102184610Salfred } 2103184610Salfred sc->sc_rt_addr = value; 2104184610Salfred goto tr_valid; 2105184610Salfred 2106184610Salfredtr_handle_set_config: 2107184610Salfred if (value >= 2) { 2108184610Salfred goto tr_stalled; 2109184610Salfred } 2110184610Salfred sc->sc_conf = value; 2111184610Salfred goto tr_valid; 2112184610Salfred 2113184610Salfredtr_handle_get_interface: 2114184610Salfred std->len = 1; 2115184610Salfred sc->sc_hub_temp.wValue[0] = 0; 2116184610Salfred goto tr_valid; 2117184610Salfred 2118184610Salfredtr_handle_get_tt_state: 2119184610Salfredtr_handle_get_class_status: 2120184610Salfredtr_handle_get_iface_status: 2121184610Salfredtr_handle_get_ep_status: 2122184610Salfred std->len = 2; 2123184610Salfred USETW(sc->sc_hub_temp.wValue, 0); 2124184610Salfred goto tr_valid; 2125184610Salfred 2126184610Salfredtr_handle_set_halt: 2127184610Salfredtr_handle_set_interface: 2128184610Salfredtr_handle_set_wakeup: 2129184610Salfredtr_handle_clear_wakeup: 2130184610Salfredtr_handle_clear_halt: 2131184610Salfred goto tr_valid; 2132184610Salfred 2133184610Salfredtr_handle_clear_port_feature: 2134184610Salfred if (index != 1) { 2135184610Salfred goto tr_stalled; 2136184610Salfred } 2137184610Salfred DPRINTFN(9, "UR_CLEAR_PORT_FEATURE on port %d\n", index); 2138184610Salfred 2139184610Salfred switch (value) { 2140184610Salfred case UHF_PORT_SUSPEND: 2141184610Salfred uss820dci_wakeup_peer(sc); 2142184610Salfred break; 2143184610Salfred 2144184610Salfred case UHF_PORT_ENABLE: 2145184610Salfred sc->sc_flags.port_enabled = 0; 2146184610Salfred break; 2147184610Salfred 2148184610Salfred case UHF_PORT_TEST: 2149184610Salfred case UHF_PORT_INDICATOR: 2150184610Salfred case UHF_C_PORT_ENABLE: 2151184610Salfred case UHF_C_PORT_OVER_CURRENT: 2152184610Salfred case UHF_C_PORT_RESET: 2153184610Salfred /* nops */ 2154184610Salfred break; 2155184610Salfred case UHF_PORT_POWER: 2156184610Salfred sc->sc_flags.port_powered = 0; 2157184610Salfred uss820dci_pull_down(sc); 2158184610Salfred break; 2159184610Salfred case UHF_C_PORT_CONNECTION: 2160184610Salfred sc->sc_flags.change_connect = 0; 2161184610Salfred break; 2162184610Salfred case UHF_C_PORT_SUSPEND: 2163184610Salfred sc->sc_flags.change_suspend = 0; 2164184610Salfred break; 2165184610Salfred default: 2166184610Salfred std->err = USB_ERR_IOERROR; 2167184610Salfred goto done; 2168184610Salfred } 2169184610Salfred goto tr_valid; 2170184610Salfred 2171184610Salfredtr_handle_set_port_feature: 2172184610Salfred if (index != 1) { 2173184610Salfred goto tr_stalled; 2174184610Salfred } 2175184610Salfred DPRINTFN(9, "UR_SET_PORT_FEATURE\n"); 2176184610Salfred 2177184610Salfred switch (value) { 2178184610Salfred case UHF_PORT_ENABLE: 2179184610Salfred sc->sc_flags.port_enabled = 1; 2180184610Salfred break; 2181184610Salfred case UHF_PORT_SUSPEND: 2182184610Salfred case UHF_PORT_RESET: 2183184610Salfred case UHF_PORT_TEST: 2184184610Salfred case UHF_PORT_INDICATOR: 2185184610Salfred /* nops */ 2186184610Salfred break; 2187184610Salfred case UHF_PORT_POWER: 2188184610Salfred sc->sc_flags.port_powered = 1; 2189184610Salfred break; 2190184610Salfred default: 2191184610Salfred std->err = USB_ERR_IOERROR; 2192184610Salfred goto done; 2193184610Salfred } 2194184610Salfred goto tr_valid; 2195184610Salfred 2196184610Salfredtr_handle_get_port_status: 2197184610Salfred 2198184610Salfred DPRINTFN(9, "UR_GET_PORT_STATUS\n"); 2199184610Salfred 2200184610Salfred if (index != 1) { 2201184610Salfred goto tr_stalled; 2202184610Salfred } 2203184610Salfred if (sc->sc_flags.status_vbus) { 2204184610Salfred uss820dci_pull_up(sc); 2205184610Salfred } else { 2206184610Salfred uss820dci_pull_down(sc); 2207184610Salfred } 2208184610Salfred 2209184610Salfred /* Select FULL-speed and Device Side Mode */ 2210184610Salfred 2211184610Salfred value = UPS_PORT_MODE_DEVICE; 2212184610Salfred 2213184610Salfred if (sc->sc_flags.port_powered) { 2214184610Salfred value |= UPS_PORT_POWER; 2215184610Salfred } 2216184610Salfred if (sc->sc_flags.port_enabled) { 2217184610Salfred value |= UPS_PORT_ENABLED; 2218184610Salfred } 2219184610Salfred if (sc->sc_flags.status_vbus && 2220184610Salfred sc->sc_flags.status_bus_reset) { 2221184610Salfred value |= UPS_CURRENT_CONNECT_STATUS; 2222184610Salfred } 2223184610Salfred if (sc->sc_flags.status_suspend) { 2224184610Salfred value |= UPS_SUSPEND; 2225184610Salfred } 2226184610Salfred USETW(sc->sc_hub_temp.ps.wPortStatus, value); 2227184610Salfred 2228184610Salfred value = 0; 2229184610Salfred 2230184610Salfred if (sc->sc_flags.change_connect) { 2231184610Salfred value |= UPS_C_CONNECT_STATUS; 2232184610Salfred } 2233184610Salfred if (sc->sc_flags.change_suspend) { 2234184610Salfred value |= UPS_C_SUSPEND; 2235184610Salfred } 2236184610Salfred USETW(sc->sc_hub_temp.ps.wPortChange, value); 2237184610Salfred std->len = sizeof(sc->sc_hub_temp.ps); 2238184610Salfred goto tr_valid; 2239184610Salfred 2240184610Salfredtr_handle_get_class_descriptor: 2241184610Salfred if (value & 0xFF) { 2242184610Salfred goto tr_stalled; 2243184610Salfred } 2244184610Salfred std->ptr = USB_ADD_BYTES(&uss820dci_hubd, 0); 2245184610Salfred std->len = sizeof(uss820dci_hubd); 2246184610Salfred goto tr_valid; 2247184610Salfred 2248184610Salfredtr_stalled: 2249184610Salfred std->err = USB_ERR_STALLED; 2250184610Salfredtr_valid: 2251184610Salfreddone: 2252184610Salfred return; 2253184610Salfred} 2254184610Salfred 2255184610Salfredstatic void 2256184610Salfreduss820dci_root_ctrl_poll(struct uss820dci_softc *sc) 2257184610Salfred{ 2258184610Salfred usb2_sw_transfer(&sc->sc_root_ctrl, 2259184610Salfred &uss820dci_root_ctrl_done); 2260184610Salfred} 2261184610Salfred 2262184610Salfredstruct usb2_pipe_methods uss820dci_root_ctrl_methods = 2263184610Salfred{ 2264184610Salfred .open = uss820dci_root_ctrl_open, 2265184610Salfred .close = uss820dci_root_ctrl_close, 2266184610Salfred .enter = uss820dci_root_ctrl_enter, 2267184610Salfred .start = uss820dci_root_ctrl_start, 2268184610Salfred .enter_is_cancelable = 1, 2269184610Salfred .start_is_cancelable = 0, 2270184610Salfred}; 2271184610Salfred 2272184610Salfred/*------------------------------------------------------------------------* 2273184610Salfred * at91dci root interrupt support 2274184610Salfred *------------------------------------------------------------------------*/ 2275184610Salfredstatic void 2276184610Salfreduss820dci_root_intr_open(struct usb2_xfer *xfer) 2277184610Salfred{ 2278184610Salfred return; 2279184610Salfred} 2280184610Salfred 2281184610Salfredstatic void 2282184610Salfreduss820dci_root_intr_close(struct usb2_xfer *xfer) 2283184610Salfred{ 2284187173Sthompsa struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 2285184610Salfred 2286184610Salfred if (sc->sc_root_intr.xfer == xfer) { 2287184610Salfred sc->sc_root_intr.xfer = NULL; 2288184610Salfred } 2289184610Salfred uss820dci_device_done(xfer, USB_ERR_CANCELLED); 2290184610Salfred} 2291184610Salfred 2292184610Salfredstatic void 2293184610Salfreduss820dci_root_intr_enter(struct usb2_xfer *xfer) 2294184610Salfred{ 2295184610Salfred return; 2296184610Salfred} 2297184610Salfred 2298184610Salfredstatic void 2299184610Salfreduss820dci_root_intr_start(struct usb2_xfer *xfer) 2300184610Salfred{ 2301187173Sthompsa struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 2302184610Salfred 2303184610Salfred sc->sc_root_intr.xfer = xfer; 2304184610Salfred} 2305184610Salfred 2306184610Salfredstruct usb2_pipe_methods uss820dci_root_intr_methods = 2307184610Salfred{ 2308184610Salfred .open = uss820dci_root_intr_open, 2309184610Salfred .close = uss820dci_root_intr_close, 2310184610Salfred .enter = uss820dci_root_intr_enter, 2311184610Salfred .start = uss820dci_root_intr_start, 2312184610Salfred .enter_is_cancelable = 1, 2313184610Salfred .start_is_cancelable = 1, 2314184610Salfred}; 2315184610Salfred 2316184610Salfredstatic void 2317184610Salfreduss820dci_xfer_setup(struct usb2_setup_params *parm) 2318184610Salfred{ 2319184610Salfred const struct usb2_hw_ep_profile *pf; 2320184610Salfred struct uss820dci_softc *sc; 2321184610Salfred struct usb2_xfer *xfer; 2322184610Salfred void *last_obj; 2323184610Salfred uint32_t ntd; 2324184610Salfred uint32_t n; 2325184610Salfred uint8_t ep_no; 2326184610Salfred 2327184610Salfred sc = USS820_DCI_BUS2SC(parm->udev->bus); 2328184610Salfred xfer = parm->curr_xfer; 2329184610Salfred 2330184610Salfred /* 2331184610Salfred * NOTE: This driver does not use any of the parameters that 2332184610Salfred * are computed from the following values. Just set some 2333184610Salfred * reasonable dummies: 2334184610Salfred */ 2335184610Salfred parm->hc_max_packet_size = 0x500; 2336184610Salfred parm->hc_max_packet_count = 1; 2337184610Salfred parm->hc_max_frame_size = 0x500; 2338184610Salfred 2339184610Salfred usb2_transfer_setup_sub(parm); 2340184610Salfred 2341184610Salfred /* 2342184610Salfred * compute maximum number of TDs 2343184610Salfred */ 2344184610Salfred if (parm->methods == &uss820dci_device_ctrl_methods) { 2345184610Salfred 2346184610Salfred ntd = xfer->nframes + 1 /* STATUS */ + 1 /* SYNC */ ; 2347184610Salfred 2348184610Salfred } else if (parm->methods == &uss820dci_device_bulk_methods) { 2349184610Salfred 2350184610Salfred ntd = xfer->nframes + 1 /* SYNC */ ; 2351184610Salfred 2352184610Salfred } else if (parm->methods == &uss820dci_device_intr_methods) { 2353184610Salfred 2354184610Salfred ntd = xfer->nframes + 1 /* SYNC */ ; 2355184610Salfred 2356184610Salfred } else if (parm->methods == &uss820dci_device_isoc_fs_methods) { 2357184610Salfred 2358184610Salfred ntd = xfer->nframes + 1 /* SYNC */ ; 2359184610Salfred 2360184610Salfred } else { 2361184610Salfred 2362184610Salfred ntd = 0; 2363184610Salfred } 2364184610Salfred 2365184610Salfred /* 2366184610Salfred * check if "usb2_transfer_setup_sub" set an error 2367184610Salfred */ 2368184610Salfred if (parm->err) { 2369184610Salfred return; 2370184610Salfred } 2371184610Salfred /* 2372184610Salfred * allocate transfer descriptors 2373184610Salfred */ 2374184610Salfred last_obj = NULL; 2375184610Salfred 2376184610Salfred /* 2377184610Salfred * get profile stuff 2378184610Salfred */ 2379184610Salfred if (ntd) { 2380184610Salfred 2381184610Salfred ep_no = xfer->endpoint & UE_ADDR; 2382184610Salfred uss820dci_get_hw_ep_profile(parm->udev, &pf, ep_no); 2383184610Salfred 2384184610Salfred if (pf == NULL) { 2385184610Salfred /* should not happen */ 2386184610Salfred parm->err = USB_ERR_INVAL; 2387184610Salfred return; 2388184610Salfred } 2389184610Salfred } else { 2390184610Salfred ep_no = 0; 2391184610Salfred pf = NULL; 2392184610Salfred } 2393184610Salfred 2394184610Salfred /* align data */ 2395184610Salfred parm->size[0] += ((-parm->size[0]) & (USB_HOST_ALIGN - 1)); 2396184610Salfred 2397184610Salfred for (n = 0; n != ntd; n++) { 2398184610Salfred 2399184610Salfred struct uss820dci_td *td; 2400184610Salfred 2401184610Salfred if (parm->buf) { 2402184610Salfred 2403184610Salfred td = USB_ADD_BYTES(parm->buf, parm->size[0]); 2404184610Salfred 2405184610Salfred /* init TD */ 2406184610Salfred td->io_tag = sc->sc_io_tag; 2407184610Salfred td->io_hdl = sc->sc_io_hdl; 2408184610Salfred td->max_packet_size = xfer->max_packet_size; 2409184610Salfred td->rx_stat_reg = USS820_GET_REG(sc, USS820_RXSTAT); 2410184610Salfred td->tx_stat_reg = USS820_GET_REG(sc, USS820_TXSTAT); 2411184610Salfred td->rx_flag_reg = USS820_GET_REG(sc, USS820_RXFLG); 2412184610Salfred td->tx_flag_reg = USS820_GET_REG(sc, USS820_TXFLG); 2413184610Salfred td->rx_fifo_reg = USS820_GET_REG(sc, USS820_RXDAT); 2414184610Salfred td->tx_fifo_reg = USS820_GET_REG(sc, USS820_TXDAT); 2415184610Salfred td->rx_count_low_reg = USS820_GET_REG(sc, USS820_RXCNTL); 2416184610Salfred td->rx_count_high_reg = USS820_GET_REG(sc, USS820_RXCNTH); 2417184610Salfred td->tx_count_low_reg = USS820_GET_REG(sc, USS820_TXCNTL); 2418184610Salfred td->tx_count_high_reg = USS820_GET_REG(sc, USS820_TXCNTH); 2419184610Salfred td->rx_cntl_reg = USS820_GET_REG(sc, USS820_RXCON); 2420184610Salfred td->tx_cntl_reg = USS820_GET_REG(sc, USS820_TXCON); 2421184610Salfred td->pend_reg = USS820_GET_REG(sc, USS820_PEND); 2422184610Salfred td->ep_reg = USS820_GET_REG(sc, USS820_EPINDEX); 2423184610Salfred td->ep_index = ep_no; 2424184610Salfred if (pf->support_multi_buffer && 2425184610Salfred (parm->methods != &uss820dci_device_ctrl_methods)) { 2426184610Salfred td->support_multi_buffer = 1; 2427184610Salfred } 2428184610Salfred td->obj_next = last_obj; 2429184610Salfred 2430184610Salfred last_obj = td; 2431184610Salfred } 2432184610Salfred parm->size[0] += sizeof(*td); 2433184610Salfred } 2434184610Salfred 2435184610Salfred xfer->td_start[0] = last_obj; 2436184610Salfred} 2437184610Salfred 2438184610Salfredstatic void 2439184610Salfreduss820dci_xfer_unsetup(struct usb2_xfer *xfer) 2440184610Salfred{ 2441184610Salfred return; 2442184610Salfred} 2443184610Salfred 2444184610Salfredstatic void 2445184610Salfreduss820dci_pipe_init(struct usb2_device *udev, struct usb2_endpoint_descriptor *edesc, 2446184610Salfred struct usb2_pipe *pipe) 2447184610Salfred{ 2448184610Salfred struct uss820dci_softc *sc = USS820_DCI_BUS2SC(udev->bus); 2449184610Salfred 2450184610Salfred DPRINTFN(2, "pipe=%p, addr=%d, endpt=%d, mode=%d (%d)\n", 2451184610Salfred pipe, udev->address, 2452184610Salfred edesc->bEndpointAddress, udev->flags.usb2_mode, 2453184610Salfred sc->sc_rt_addr); 2454184610Salfred 2455184610Salfred if (udev->device_index == sc->sc_rt_addr) { 2456184610Salfred 2457184610Salfred if (udev->flags.usb2_mode != USB_MODE_HOST) { 2458184610Salfred /* not supported */ 2459184610Salfred return; 2460184610Salfred } 2461184610Salfred switch (edesc->bEndpointAddress) { 2462184610Salfred case USB_CONTROL_ENDPOINT: 2463184610Salfred pipe->methods = &uss820dci_root_ctrl_methods; 2464184610Salfred break; 2465184610Salfred case UE_DIR_IN | USS820_DCI_INTR_ENDPT: 2466184610Salfred pipe->methods = &uss820dci_root_intr_methods; 2467184610Salfred break; 2468184610Salfred default: 2469184610Salfred /* do nothing */ 2470184610Salfred break; 2471184610Salfred } 2472184610Salfred } else { 2473184610Salfred 2474184610Salfred if (udev->flags.usb2_mode != USB_MODE_DEVICE) { 2475184610Salfred /* not supported */ 2476184610Salfred return; 2477184610Salfred } 2478184610Salfred if (udev->speed != USB_SPEED_FULL) { 2479184610Salfred /* not supported */ 2480184610Salfred return; 2481184610Salfred } 2482184610Salfred switch (edesc->bmAttributes & UE_XFERTYPE) { 2483184610Salfred case UE_CONTROL: 2484184610Salfred pipe->methods = &uss820dci_device_ctrl_methods; 2485184610Salfred break; 2486184610Salfred case UE_INTERRUPT: 2487184610Salfred pipe->methods = &uss820dci_device_intr_methods; 2488184610Salfred break; 2489184610Salfred case UE_ISOCHRONOUS: 2490184610Salfred pipe->methods = &uss820dci_device_isoc_fs_methods; 2491184610Salfred break; 2492184610Salfred case UE_BULK: 2493184610Salfred pipe->methods = &uss820dci_device_bulk_methods; 2494184610Salfred break; 2495184610Salfred default: 2496184610Salfred /* do nothing */ 2497184610Salfred break; 2498184610Salfred } 2499184610Salfred } 2500184610Salfred} 2501184610Salfred 2502184610Salfredstruct usb2_bus_methods uss820dci_bus_methods = 2503184610Salfred{ 2504184610Salfred .pipe_init = &uss820dci_pipe_init, 2505184610Salfred .xfer_setup = &uss820dci_xfer_setup, 2506184610Salfred .xfer_unsetup = &uss820dci_xfer_unsetup, 2507184610Salfred .get_hw_ep_profile = &uss820dci_get_hw_ep_profile, 2508184610Salfred .set_stall = &uss820dci_set_stall, 2509184610Salfred .clear_stall = &uss820dci_clear_stall, 2510187172Sthompsa .roothub_exec = &uss820dci_root_ctrl_task, 2511184610Salfred}; 2512