102ac6454SAndrew Thompson /* $FreeBSD$ */ 202ac6454SAndrew Thompson /*- 35d38a4d4SEd Schouten * Copyright (c) 2008 Hans Petter Selasky <hselasky@FreeBSD.org> 402ac6454SAndrew Thompson * All rights reserved. 502ac6454SAndrew Thompson * 602ac6454SAndrew Thompson * Redistribution and use in source and binary forms, with or without 702ac6454SAndrew Thompson * modification, are permitted provided that the following conditions 802ac6454SAndrew Thompson * are met: 902ac6454SAndrew Thompson * 1. Redistributions of source code must retain the above copyright 1002ac6454SAndrew Thompson * notice, this list of conditions and the following disclaimer. 1102ac6454SAndrew Thompson * 2. Redistributions in binary form must reproduce the above copyright 1202ac6454SAndrew Thompson * notice, this list of conditions and the following disclaimer in the 1302ac6454SAndrew Thompson * documentation and/or other materials provided with the distribution. 1402ac6454SAndrew Thompson * 1502ac6454SAndrew Thompson * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1602ac6454SAndrew Thompson * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1702ac6454SAndrew Thompson * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1802ac6454SAndrew Thompson * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1902ac6454SAndrew Thompson * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2002ac6454SAndrew Thompson * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2102ac6454SAndrew Thompson * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2202ac6454SAndrew Thompson * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2302ac6454SAndrew Thompson * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2402ac6454SAndrew Thompson * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2502ac6454SAndrew Thompson * SUCH DAMAGE. 2602ac6454SAndrew Thompson */ 2702ac6454SAndrew Thompson 2802ac6454SAndrew Thompson /* 2902ac6454SAndrew Thompson * This file contains the driver for the USS820 series USB Device 3002ac6454SAndrew Thompson * Controller 3102ac6454SAndrew Thompson * 3202ac6454SAndrew Thompson * NOTE: The datasheet does not document everything! 3302ac6454SAndrew Thompson */ 3402ac6454SAndrew Thompson 3502ac6454SAndrew Thompson #include <dev/usb/usb.h> 3602ac6454SAndrew Thompson #include <dev/usb/usb_mfunc.h> 3702ac6454SAndrew Thompson #include <dev/usb/usb_revision.h> 3802ac6454SAndrew Thompson #include <dev/usb/usb_error.h> 3902ac6454SAndrew Thompson 4002ac6454SAndrew Thompson #define USB_DEBUG_VAR uss820dcidebug 4102ac6454SAndrew Thompson 4202ac6454SAndrew Thompson #include <dev/usb/usb_core.h> 4302ac6454SAndrew Thompson #include <dev/usb/usb_debug.h> 4402ac6454SAndrew Thompson #include <dev/usb/usb_busdma.h> 4502ac6454SAndrew Thompson #include <dev/usb/usb_process.h> 4602ac6454SAndrew Thompson #include <dev/usb/usb_sw_transfer.h> 4702ac6454SAndrew Thompson #include <dev/usb/usb_transfer.h> 4802ac6454SAndrew Thompson #include <dev/usb/usb_device.h> 4902ac6454SAndrew Thompson #include <dev/usb/usb_hub.h> 5002ac6454SAndrew Thompson #include <dev/usb/usb_util.h> 5102ac6454SAndrew Thompson 5202ac6454SAndrew Thompson #include <dev/usb/usb_controller.h> 5302ac6454SAndrew Thompson #include <dev/usb/usb_bus.h> 5402ac6454SAndrew Thompson #include <dev/usb/controller/uss820dci.h> 5502ac6454SAndrew Thompson 5602ac6454SAndrew Thompson #define USS820_DCI_BUS2SC(bus) \ 5702ac6454SAndrew Thompson ((struct uss820dci_softc *)(((uint8_t *)(bus)) - \ 58578d0effSAndrew Thompson ((uint8_t *)&(((struct uss820dci_softc *)0)->sc_bus)))) 5902ac6454SAndrew Thompson 6002ac6454SAndrew Thompson #define USS820_DCI_PC2SC(pc) \ 61bdc081c6SAndrew Thompson USS820_DCI_BUS2SC(USB_DMATAG_TO_XROOT((pc)->tag_parent)->bus) 6202ac6454SAndrew Thompson 6302ac6454SAndrew Thompson #if USB_DEBUG 6402ac6454SAndrew Thompson static int uss820dcidebug = 0; 6502ac6454SAndrew Thompson 6602ac6454SAndrew Thompson SYSCTL_NODE(_hw_usb2, OID_AUTO, uss820dci, CTLFLAG_RW, 0, "USB uss820dci"); 6702ac6454SAndrew Thompson SYSCTL_INT(_hw_usb2_uss820dci, OID_AUTO, debug, CTLFLAG_RW, 6802ac6454SAndrew Thompson &uss820dcidebug, 0, "uss820dci debug level"); 6902ac6454SAndrew Thompson #endif 7002ac6454SAndrew Thompson 7102ac6454SAndrew Thompson #define USS820_DCI_INTR_ENDPT 1 7202ac6454SAndrew Thompson 7302ac6454SAndrew Thompson /* prototypes */ 7402ac6454SAndrew Thompson 7502ac6454SAndrew Thompson struct usb2_bus_methods uss820dci_bus_methods; 7602ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_bulk_methods; 7702ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_ctrl_methods; 7802ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_intr_methods; 7902ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_isoc_fs_methods; 8002ac6454SAndrew Thompson 8102ac6454SAndrew Thompson static uss820dci_cmd_t uss820dci_setup_rx; 8202ac6454SAndrew Thompson static uss820dci_cmd_t uss820dci_data_rx; 8302ac6454SAndrew Thompson static uss820dci_cmd_t uss820dci_data_tx; 8402ac6454SAndrew Thompson static uss820dci_cmd_t uss820dci_data_tx_sync; 8502ac6454SAndrew Thompson static void uss820dci_device_done(struct usb2_xfer *, usb2_error_t); 8602ac6454SAndrew Thompson static void uss820dci_do_poll(struct usb2_bus *); 8702ac6454SAndrew Thompson static void uss820dci_standard_done(struct usb2_xfer *); 8802ac6454SAndrew Thompson static void uss820dci_intr_set(struct usb2_xfer *, uint8_t); 8902ac6454SAndrew Thompson static void uss820dci_update_shared_1(struct uss820dci_softc *, uint8_t, 9002ac6454SAndrew Thompson uint8_t, uint8_t); 9139307315SAndrew Thompson static void uss820dci_root_intr(struct uss820dci_softc *); 9202ac6454SAndrew Thompson 9302ac6454SAndrew Thompson /* 9402ac6454SAndrew Thompson * Here is a list of what the USS820D chip can support. The main 9502ac6454SAndrew Thompson * limitation is that the sum of the buffer sizes must be less than 9602ac6454SAndrew Thompson * 1120 bytes. 9702ac6454SAndrew Thompson */ 9802ac6454SAndrew Thompson static const struct usb2_hw_ep_profile 9902ac6454SAndrew Thompson uss820dci_ep_profile[] = { 10002ac6454SAndrew Thompson 10102ac6454SAndrew Thompson [0] = { 10202ac6454SAndrew Thompson .max_in_frame_size = 32, 10302ac6454SAndrew Thompson .max_out_frame_size = 32, 10402ac6454SAndrew Thompson .is_simplex = 0, 10502ac6454SAndrew Thompson .support_control = 1, 10602ac6454SAndrew Thompson }, 10702ac6454SAndrew Thompson [1] = { 10802ac6454SAndrew Thompson .max_in_frame_size = 64, 10902ac6454SAndrew Thompson .max_out_frame_size = 64, 11002ac6454SAndrew Thompson .is_simplex = 0, 11102ac6454SAndrew Thompson .support_multi_buffer = 1, 11202ac6454SAndrew Thompson .support_bulk = 1, 11302ac6454SAndrew Thompson .support_interrupt = 1, 11402ac6454SAndrew Thompson .support_in = 1, 11502ac6454SAndrew Thompson .support_out = 1, 11602ac6454SAndrew Thompson }, 11702ac6454SAndrew Thompson [2] = { 11802ac6454SAndrew Thompson .max_in_frame_size = 8, 11902ac6454SAndrew Thompson .max_out_frame_size = 8, 12002ac6454SAndrew Thompson .is_simplex = 0, 12102ac6454SAndrew Thompson .support_multi_buffer = 1, 12202ac6454SAndrew Thompson .support_bulk = 1, 12302ac6454SAndrew Thompson .support_interrupt = 1, 12402ac6454SAndrew Thompson .support_in = 1, 12502ac6454SAndrew Thompson .support_out = 1, 12602ac6454SAndrew Thompson }, 12702ac6454SAndrew Thompson [3] = { 12802ac6454SAndrew Thompson .max_in_frame_size = 256, 12902ac6454SAndrew Thompson .max_out_frame_size = 256, 13002ac6454SAndrew Thompson .is_simplex = 0, 13102ac6454SAndrew Thompson .support_multi_buffer = 1, 13202ac6454SAndrew Thompson .support_isochronous = 1, 13302ac6454SAndrew Thompson .support_in = 1, 13402ac6454SAndrew Thompson .support_out = 1, 13502ac6454SAndrew Thompson }, 13602ac6454SAndrew Thompson }; 13702ac6454SAndrew Thompson 13802ac6454SAndrew Thompson static void 13902ac6454SAndrew Thompson uss820dci_update_shared_1(struct uss820dci_softc *sc, uint8_t reg, 14002ac6454SAndrew Thompson uint8_t keep_mask, uint8_t set_mask) 14102ac6454SAndrew Thompson { 14202ac6454SAndrew Thompson uint8_t temp; 14302ac6454SAndrew Thompson 14402ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_PEND, 1); 14502ac6454SAndrew Thompson temp = USS820_READ_1(sc, reg); 14602ac6454SAndrew Thompson temp &= (keep_mask); 14702ac6454SAndrew Thompson temp |= (set_mask); 14802ac6454SAndrew Thompson USS820_WRITE_1(sc, reg, temp); 14902ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_PEND, 0); 15002ac6454SAndrew Thompson } 15102ac6454SAndrew Thompson 15202ac6454SAndrew Thompson static void 15302ac6454SAndrew Thompson uss820dci_get_hw_ep_profile(struct usb2_device *udev, 15402ac6454SAndrew Thompson const struct usb2_hw_ep_profile **ppf, uint8_t ep_addr) 15502ac6454SAndrew Thompson { 15602ac6454SAndrew Thompson if (ep_addr == 0) { 15702ac6454SAndrew Thompson *ppf = uss820dci_ep_profile + 0; 15802ac6454SAndrew Thompson } else if (ep_addr < 5) { 15902ac6454SAndrew Thompson *ppf = uss820dci_ep_profile + 1; 16002ac6454SAndrew Thompson } else if (ep_addr < 7) { 16102ac6454SAndrew Thompson *ppf = uss820dci_ep_profile + 2; 16202ac6454SAndrew Thompson } else if (ep_addr == 7) { 16302ac6454SAndrew Thompson *ppf = uss820dci_ep_profile + 3; 16402ac6454SAndrew Thompson } else { 16502ac6454SAndrew Thompson *ppf = NULL; 16602ac6454SAndrew Thompson } 16702ac6454SAndrew Thompson } 16802ac6454SAndrew Thompson 16902ac6454SAndrew Thompson static void 17002ac6454SAndrew Thompson uss820dci_pull_up(struct uss820dci_softc *sc) 17102ac6454SAndrew Thompson { 17202ac6454SAndrew Thompson uint8_t temp; 17302ac6454SAndrew Thompson 17402ac6454SAndrew Thompson /* pullup D+, if possible */ 17502ac6454SAndrew Thompson 17602ac6454SAndrew Thompson if (!sc->sc_flags.d_pulled_up && 17702ac6454SAndrew Thompson sc->sc_flags.port_powered) { 17802ac6454SAndrew Thompson sc->sc_flags.d_pulled_up = 1; 17902ac6454SAndrew Thompson 18002ac6454SAndrew Thompson DPRINTF("\n"); 18102ac6454SAndrew Thompson 18202ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_MCSR); 18302ac6454SAndrew Thompson temp |= USS820_MCSR_DPEN; 18402ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_MCSR, temp); 18502ac6454SAndrew Thompson } 18602ac6454SAndrew Thompson } 18702ac6454SAndrew Thompson 18802ac6454SAndrew Thompson static void 18902ac6454SAndrew Thompson uss820dci_pull_down(struct uss820dci_softc *sc) 19002ac6454SAndrew Thompson { 19102ac6454SAndrew Thompson uint8_t temp; 19202ac6454SAndrew Thompson 19302ac6454SAndrew Thompson /* pulldown D+, if possible */ 19402ac6454SAndrew Thompson 19502ac6454SAndrew Thompson if (sc->sc_flags.d_pulled_up) { 19602ac6454SAndrew Thompson sc->sc_flags.d_pulled_up = 0; 19702ac6454SAndrew Thompson 19802ac6454SAndrew Thompson DPRINTF("\n"); 19902ac6454SAndrew Thompson 20002ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_MCSR); 20102ac6454SAndrew Thompson temp &= ~USS820_MCSR_DPEN; 20202ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_MCSR, temp); 20302ac6454SAndrew Thompson } 20402ac6454SAndrew Thompson } 20502ac6454SAndrew Thompson 20602ac6454SAndrew Thompson static void 20702ac6454SAndrew Thompson uss820dci_wakeup_peer(struct uss820dci_softc *sc) 20802ac6454SAndrew Thompson { 20902ac6454SAndrew Thompson if (!(sc->sc_flags.status_suspend)) { 21002ac6454SAndrew Thompson return; 21102ac6454SAndrew Thompson } 21202ac6454SAndrew Thompson DPRINTFN(0, "not supported\n"); 21302ac6454SAndrew Thompson } 21402ac6454SAndrew Thompson 21502ac6454SAndrew Thompson static void 21602ac6454SAndrew Thompson uss820dci_set_address(struct uss820dci_softc *sc, uint8_t addr) 21702ac6454SAndrew Thompson { 21802ac6454SAndrew Thompson DPRINTFN(5, "addr=%d\n", addr); 21902ac6454SAndrew Thompson 22002ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_FADDR, addr); 22102ac6454SAndrew Thompson } 22202ac6454SAndrew Thompson 22302ac6454SAndrew Thompson static uint8_t 22402ac6454SAndrew Thompson uss820dci_setup_rx(struct uss820dci_td *td) 22502ac6454SAndrew Thompson { 22602ac6454SAndrew Thompson struct uss820dci_softc *sc; 22702ac6454SAndrew Thompson struct usb2_device_request req; 22802ac6454SAndrew Thompson uint16_t count; 22902ac6454SAndrew Thompson uint8_t rx_stat; 23002ac6454SAndrew Thompson uint8_t temp; 23102ac6454SAndrew Thompson 23202ac6454SAndrew Thompson /* select the correct endpoint */ 23302ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 23402ac6454SAndrew Thompson td->ep_reg, td->ep_index); 23502ac6454SAndrew Thompson 23602ac6454SAndrew Thompson /* read out FIFO status */ 23702ac6454SAndrew Thompson rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 23802ac6454SAndrew Thompson td->rx_stat_reg); 23902ac6454SAndrew Thompson 24002ac6454SAndrew Thompson /* get pointer to softc */ 24102ac6454SAndrew Thompson sc = USS820_DCI_PC2SC(td->pc); 24202ac6454SAndrew Thompson 24302ac6454SAndrew Thompson DPRINTFN(5, "rx_stat=0x%02x rem=%u\n", rx_stat, td->remainder); 24402ac6454SAndrew Thompson 24502ac6454SAndrew Thompson if (!(rx_stat & USS820_RXSTAT_RXSETUP)) { 24602ac6454SAndrew Thompson goto not_complete; 24702ac6454SAndrew Thompson } 248f3464815SAndrew Thompson /* clear did stall */ 249f3464815SAndrew Thompson td->did_stall = 0; 250f3464815SAndrew Thompson 25102ac6454SAndrew Thompson /* clear stall and all I/O */ 25202ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_EPCON, 25302ac6454SAndrew Thompson 0xFF ^ (USS820_EPCON_TXSTL | 25402ac6454SAndrew Thompson USS820_EPCON_RXSTL | 25502ac6454SAndrew Thompson USS820_EPCON_RXIE | 25602ac6454SAndrew Thompson USS820_EPCON_TXOE), 0); 25702ac6454SAndrew Thompson 25802ac6454SAndrew Thompson /* clear end overwrite flag */ 25902ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_RXSTAT, 26002ac6454SAndrew Thompson 0xFF ^ USS820_RXSTAT_EDOVW, 0); 26102ac6454SAndrew Thompson 26202ac6454SAndrew Thompson /* get the packet byte count */ 26302ac6454SAndrew Thompson count = bus_space_read_1(td->io_tag, td->io_hdl, 26402ac6454SAndrew Thompson td->rx_count_low_reg); 26502ac6454SAndrew Thompson count |= (bus_space_read_1(td->io_tag, td->io_hdl, 26602ac6454SAndrew Thompson td->rx_count_high_reg) << 8); 26702ac6454SAndrew Thompson count &= 0x3FF; 26802ac6454SAndrew Thompson 26902ac6454SAndrew Thompson /* verify data length */ 27002ac6454SAndrew Thompson if (count != td->remainder) { 27102ac6454SAndrew Thompson DPRINTFN(0, "Invalid SETUP packet " 27202ac6454SAndrew Thompson "length, %d bytes\n", count); 273eb846b4eSAndrew Thompson goto setup_not_complete; 27402ac6454SAndrew Thompson } 27502ac6454SAndrew Thompson if (count != sizeof(req)) { 27602ac6454SAndrew Thompson DPRINTFN(0, "Unsupported SETUP packet " 27702ac6454SAndrew Thompson "length, %d bytes\n", count); 278eb846b4eSAndrew Thompson goto setup_not_complete; 27902ac6454SAndrew Thompson } 28002ac6454SAndrew Thompson /* receive data */ 28102ac6454SAndrew Thompson bus_space_read_multi_1(td->io_tag, td->io_hdl, 28202ac6454SAndrew Thompson td->rx_fifo_reg, (void *)&req, sizeof(req)); 28302ac6454SAndrew Thompson 28402ac6454SAndrew Thompson /* read out FIFO status */ 28502ac6454SAndrew Thompson rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 28602ac6454SAndrew Thompson td->rx_stat_reg); 28702ac6454SAndrew Thompson 28802ac6454SAndrew Thompson if (rx_stat & (USS820_RXSTAT_EDOVW | 28902ac6454SAndrew Thompson USS820_RXSTAT_STOVW)) { 29002ac6454SAndrew Thompson DPRINTF("new SETUP packet received\n"); 29102ac6454SAndrew Thompson return (1); /* not complete */ 29202ac6454SAndrew Thompson } 29302ac6454SAndrew Thompson /* clear receive setup bit */ 29402ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_RXSTAT, 29502ac6454SAndrew Thompson 0xFF ^ (USS820_RXSTAT_RXSETUP | 29602ac6454SAndrew Thompson USS820_RXSTAT_EDOVW | 29702ac6454SAndrew Thompson USS820_RXSTAT_STOVW), 0); 29802ac6454SAndrew Thompson 29902ac6454SAndrew Thompson /* set RXFFRC bit */ 30002ac6454SAndrew Thompson temp = bus_space_read_1(td->io_tag, td->io_hdl, 30102ac6454SAndrew Thompson td->rx_cntl_reg); 30202ac6454SAndrew Thompson temp |= USS820_RXCON_RXFFRC; 30302ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 30402ac6454SAndrew Thompson td->rx_cntl_reg, temp); 30502ac6454SAndrew Thompson 30602ac6454SAndrew Thompson /* copy data into real buffer */ 30702ac6454SAndrew Thompson usb2_copy_in(td->pc, 0, &req, sizeof(req)); 30802ac6454SAndrew Thompson 30902ac6454SAndrew Thompson td->offset = sizeof(req); 31002ac6454SAndrew Thompson td->remainder = 0; 31102ac6454SAndrew Thompson 31202ac6454SAndrew Thompson /* sneak peek the set address */ 31302ac6454SAndrew Thompson if ((req.bmRequestType == UT_WRITE_DEVICE) && 31402ac6454SAndrew Thompson (req.bRequest == UR_SET_ADDRESS)) { 31502ac6454SAndrew Thompson sc->sc_dv_addr = req.wValue[0] & 0x7F; 31602ac6454SAndrew Thompson } else { 31702ac6454SAndrew Thompson sc->sc_dv_addr = 0xFF; 31802ac6454SAndrew Thompson } 31902ac6454SAndrew Thompson return (0); /* complete */ 32002ac6454SAndrew Thompson 321eb846b4eSAndrew Thompson setup_not_complete: 322eb846b4eSAndrew Thompson 323eb846b4eSAndrew Thompson /* set RXFFRC bit */ 324eb846b4eSAndrew Thompson temp = bus_space_read_1(td->io_tag, td->io_hdl, 325eb846b4eSAndrew Thompson td->rx_cntl_reg); 326eb846b4eSAndrew Thompson temp |= USS820_RXCON_RXFFRC; 327eb846b4eSAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 328eb846b4eSAndrew Thompson td->rx_cntl_reg, temp); 329eb846b4eSAndrew Thompson 330eb846b4eSAndrew Thompson /* FALLTHROUGH */ 331eb846b4eSAndrew Thompson 33202ac6454SAndrew Thompson not_complete: 333f3464815SAndrew Thompson /* abort any ongoing transfer */ 334f3464815SAndrew Thompson if (!td->did_stall) { 335f3464815SAndrew Thompson DPRINTFN(5, "stalling\n"); 336f3464815SAndrew Thompson /* set stall */ 337f3464815SAndrew Thompson uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, 338f3464815SAndrew Thompson (USS820_EPCON_TXSTL | USS820_EPCON_RXSTL)); 339f3464815SAndrew Thompson 340f3464815SAndrew Thompson td->did_stall = 1; 341f3464815SAndrew Thompson } 342f3464815SAndrew Thompson 34302ac6454SAndrew Thompson /* clear end overwrite flag, if any */ 34402ac6454SAndrew Thompson if (rx_stat & USS820_RXSTAT_RXSETUP) { 34502ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_RXSTAT, 34602ac6454SAndrew Thompson 0xFF ^ (USS820_RXSTAT_EDOVW | 34702ac6454SAndrew Thompson USS820_RXSTAT_STOVW | 34802ac6454SAndrew Thompson USS820_RXSTAT_RXSETUP), 0); 34902ac6454SAndrew Thompson } 35002ac6454SAndrew Thompson return (1); /* not complete */ 35102ac6454SAndrew Thompson 35202ac6454SAndrew Thompson } 35302ac6454SAndrew Thompson 35402ac6454SAndrew Thompson static uint8_t 35502ac6454SAndrew Thompson uss820dci_data_rx(struct uss820dci_td *td) 35602ac6454SAndrew Thompson { 35702ac6454SAndrew Thompson struct usb2_page_search buf_res; 35802ac6454SAndrew Thompson uint16_t count; 35902ac6454SAndrew Thompson uint8_t rx_flag; 36002ac6454SAndrew Thompson uint8_t rx_stat; 36102ac6454SAndrew Thompson uint8_t rx_cntl; 36202ac6454SAndrew Thompson uint8_t to; 36302ac6454SAndrew Thompson uint8_t got_short; 36402ac6454SAndrew Thompson 36502ac6454SAndrew Thompson to = 2; /* don't loop forever! */ 36602ac6454SAndrew Thompson got_short = 0; 36702ac6454SAndrew Thompson 36802ac6454SAndrew Thompson /* select the correct endpoint */ 36902ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, td->ep_reg, td->ep_index); 37002ac6454SAndrew Thompson 37102ac6454SAndrew Thompson /* check if any of the FIFO banks have data */ 37202ac6454SAndrew Thompson repeat: 37302ac6454SAndrew Thompson /* read out FIFO flag */ 37402ac6454SAndrew Thompson rx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 37502ac6454SAndrew Thompson td->rx_flag_reg); 37602ac6454SAndrew Thompson /* read out FIFO status */ 37702ac6454SAndrew Thompson rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 37802ac6454SAndrew Thompson td->rx_stat_reg); 37902ac6454SAndrew Thompson 38002ac6454SAndrew Thompson DPRINTFN(5, "rx_stat=0x%02x rx_flag=0x%02x rem=%u\n", 38102ac6454SAndrew Thompson rx_stat, rx_flag, td->remainder); 38202ac6454SAndrew Thompson 38302ac6454SAndrew Thompson if (rx_stat & (USS820_RXSTAT_RXSETUP | 38402ac6454SAndrew Thompson USS820_RXSTAT_RXSOVW | 38502ac6454SAndrew Thompson USS820_RXSTAT_EDOVW)) { 38602ac6454SAndrew Thompson if (td->remainder == 0) { 38702ac6454SAndrew Thompson /* 38802ac6454SAndrew Thompson * We are actually complete and have 38902ac6454SAndrew Thompson * received the next SETUP 39002ac6454SAndrew Thompson */ 39102ac6454SAndrew Thompson DPRINTFN(5, "faking complete\n"); 39202ac6454SAndrew Thompson return (0); /* complete */ 39302ac6454SAndrew Thompson } 39402ac6454SAndrew Thompson /* 39502ac6454SAndrew Thompson * USB Host Aborted the transfer. 39602ac6454SAndrew Thompson */ 39702ac6454SAndrew Thompson td->error = 1; 39802ac6454SAndrew Thompson return (0); /* complete */ 39902ac6454SAndrew Thompson } 40002ac6454SAndrew Thompson /* check for errors */ 40102ac6454SAndrew Thompson if (rx_flag & (USS820_RXFLG_RXOVF | 40202ac6454SAndrew Thompson USS820_RXFLG_RXURF)) { 40302ac6454SAndrew Thompson DPRINTFN(5, "overflow or underflow\n"); 40402ac6454SAndrew Thompson /* should not happen */ 40502ac6454SAndrew Thompson td->error = 1; 40602ac6454SAndrew Thompson return (0); /* complete */ 40702ac6454SAndrew Thompson } 40802ac6454SAndrew Thompson /* check status */ 40902ac6454SAndrew Thompson if (!(rx_flag & (USS820_RXFLG_RXFIF0 | 41002ac6454SAndrew Thompson USS820_RXFLG_RXFIF1))) { 41102ac6454SAndrew Thompson 41202ac6454SAndrew Thompson /* read out EPCON register */ 41302ac6454SAndrew Thompson /* enable RX input */ 41402ac6454SAndrew Thompson if (!td->did_stall) { 41502ac6454SAndrew Thompson uss820dci_update_shared_1(USS820_DCI_PC2SC(td->pc), 41602ac6454SAndrew Thompson USS820_EPCON, 0xFF, USS820_EPCON_RXIE); 41702ac6454SAndrew Thompson td->did_stall = 1; 41802ac6454SAndrew Thompson } 41902ac6454SAndrew Thompson return (1); /* not complete */ 42002ac6454SAndrew Thompson } 42102ac6454SAndrew Thompson /* get the packet byte count */ 42202ac6454SAndrew Thompson count = bus_space_read_1(td->io_tag, td->io_hdl, 42302ac6454SAndrew Thompson td->rx_count_low_reg); 42402ac6454SAndrew Thompson 42502ac6454SAndrew Thompson count |= (bus_space_read_1(td->io_tag, td->io_hdl, 42602ac6454SAndrew Thompson td->rx_count_high_reg) << 8); 42702ac6454SAndrew Thompson count &= 0x3FF; 42802ac6454SAndrew Thompson 42902ac6454SAndrew Thompson DPRINTFN(5, "count=0x%04x\n", count); 43002ac6454SAndrew Thompson 43102ac6454SAndrew Thompson /* verify the packet byte count */ 43202ac6454SAndrew Thompson if (count != td->max_packet_size) { 43302ac6454SAndrew Thompson if (count < td->max_packet_size) { 43402ac6454SAndrew Thompson /* we have a short packet */ 43502ac6454SAndrew Thompson td->short_pkt = 1; 43602ac6454SAndrew Thompson got_short = 1; 43702ac6454SAndrew Thompson } else { 43802ac6454SAndrew Thompson /* invalid USB packet */ 43902ac6454SAndrew Thompson td->error = 1; 44002ac6454SAndrew Thompson return (0); /* we are complete */ 44102ac6454SAndrew Thompson } 44202ac6454SAndrew Thompson } 44302ac6454SAndrew Thompson /* verify the packet byte count */ 44402ac6454SAndrew Thompson if (count > td->remainder) { 44502ac6454SAndrew Thompson /* invalid USB packet */ 44602ac6454SAndrew Thompson td->error = 1; 44702ac6454SAndrew Thompson return (0); /* we are complete */ 44802ac6454SAndrew Thompson } 44902ac6454SAndrew Thompson while (count > 0) { 45002ac6454SAndrew Thompson usb2_get_page(td->pc, td->offset, &buf_res); 45102ac6454SAndrew Thompson 45202ac6454SAndrew Thompson /* get correct length */ 45302ac6454SAndrew Thompson if (buf_res.length > count) { 45402ac6454SAndrew Thompson buf_res.length = count; 45502ac6454SAndrew Thompson } 45602ac6454SAndrew Thompson /* receive data */ 45702ac6454SAndrew Thompson bus_space_read_multi_1(td->io_tag, td->io_hdl, 45802ac6454SAndrew Thompson td->rx_fifo_reg, buf_res.buffer, buf_res.length); 45902ac6454SAndrew Thompson 46002ac6454SAndrew Thompson /* update counters */ 46102ac6454SAndrew Thompson count -= buf_res.length; 46202ac6454SAndrew Thompson td->offset += buf_res.length; 46302ac6454SAndrew Thompson td->remainder -= buf_res.length; 46402ac6454SAndrew Thompson } 46502ac6454SAndrew Thompson 46602ac6454SAndrew Thompson /* set RXFFRC bit */ 46702ac6454SAndrew Thompson rx_cntl = bus_space_read_1(td->io_tag, td->io_hdl, 46802ac6454SAndrew Thompson td->rx_cntl_reg); 46902ac6454SAndrew Thompson rx_cntl |= USS820_RXCON_RXFFRC; 47002ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 47102ac6454SAndrew Thompson td->rx_cntl_reg, rx_cntl); 47202ac6454SAndrew Thompson 47302ac6454SAndrew Thompson /* check if we are complete */ 47402ac6454SAndrew Thompson if ((td->remainder == 0) || got_short) { 47502ac6454SAndrew Thompson if (td->short_pkt) { 47602ac6454SAndrew Thompson /* we are complete */ 47702ac6454SAndrew Thompson return (0); 47802ac6454SAndrew Thompson } 47902ac6454SAndrew Thompson /* else need to receive a zero length packet */ 48002ac6454SAndrew Thompson } 48102ac6454SAndrew Thompson if (--to) { 48202ac6454SAndrew Thompson goto repeat; 48302ac6454SAndrew Thompson } 48402ac6454SAndrew Thompson return (1); /* not complete */ 48502ac6454SAndrew Thompson } 48602ac6454SAndrew Thompson 48702ac6454SAndrew Thompson static uint8_t 48802ac6454SAndrew Thompson uss820dci_data_tx(struct uss820dci_td *td) 48902ac6454SAndrew Thompson { 49002ac6454SAndrew Thompson struct usb2_page_search buf_res; 49102ac6454SAndrew Thompson uint16_t count; 49202ac6454SAndrew Thompson uint16_t count_copy; 49302ac6454SAndrew Thompson uint8_t rx_stat; 49402ac6454SAndrew Thompson uint8_t tx_flag; 49502ac6454SAndrew Thompson uint8_t to; 49602ac6454SAndrew Thompson 49702ac6454SAndrew Thompson /* select the correct endpoint */ 49802ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 49902ac6454SAndrew Thompson td->ep_reg, td->ep_index); 50002ac6454SAndrew Thompson 50102ac6454SAndrew Thompson to = 2; /* don't loop forever! */ 50202ac6454SAndrew Thompson 50302ac6454SAndrew Thompson repeat: 50402ac6454SAndrew Thompson /* read out TX FIFO flags */ 50502ac6454SAndrew Thompson tx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 50602ac6454SAndrew Thompson td->tx_flag_reg); 50702ac6454SAndrew Thompson 50802ac6454SAndrew Thompson /* read out RX FIFO status last */ 50902ac6454SAndrew Thompson rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 51002ac6454SAndrew Thompson td->rx_stat_reg); 51102ac6454SAndrew Thompson 51202ac6454SAndrew Thompson DPRINTFN(5, "rx_stat=0x%02x tx_flag=0x%02x rem=%u\n", 51302ac6454SAndrew Thompson rx_stat, tx_flag, td->remainder); 51402ac6454SAndrew Thompson 51502ac6454SAndrew Thompson if (rx_stat & (USS820_RXSTAT_RXSETUP | 51602ac6454SAndrew Thompson USS820_RXSTAT_RXSOVW | 51702ac6454SAndrew Thompson USS820_RXSTAT_EDOVW)) { 51802ac6454SAndrew Thompson /* 51902ac6454SAndrew Thompson * The current transfer was aborted 52002ac6454SAndrew Thompson * by the USB Host 52102ac6454SAndrew Thompson */ 52202ac6454SAndrew Thompson td->error = 1; 52302ac6454SAndrew Thompson return (0); /* complete */ 52402ac6454SAndrew Thompson } 52502ac6454SAndrew Thompson if (tx_flag & (USS820_TXFLG_TXOVF | 52602ac6454SAndrew Thompson USS820_TXFLG_TXURF)) { 52702ac6454SAndrew Thompson td->error = 1; 52802ac6454SAndrew Thompson return (0); /* complete */ 52902ac6454SAndrew Thompson } 53002ac6454SAndrew Thompson if (tx_flag & USS820_TXFLG_TXFIF0) { 53102ac6454SAndrew Thompson if (tx_flag & USS820_TXFLG_TXFIF1) { 53202ac6454SAndrew Thompson return (1); /* not complete */ 53302ac6454SAndrew Thompson } 53402ac6454SAndrew Thompson } 53502ac6454SAndrew Thompson if ((!td->support_multi_buffer) && 53602ac6454SAndrew Thompson (tx_flag & (USS820_TXFLG_TXFIF0 | 53702ac6454SAndrew Thompson USS820_TXFLG_TXFIF1))) { 53802ac6454SAndrew Thompson return (1); /* not complete */ 53902ac6454SAndrew Thompson } 54002ac6454SAndrew Thompson count = td->max_packet_size; 54102ac6454SAndrew Thompson if (td->remainder < count) { 54202ac6454SAndrew Thompson /* we have a short packet */ 54302ac6454SAndrew Thompson td->short_pkt = 1; 54402ac6454SAndrew Thompson count = td->remainder; 54502ac6454SAndrew Thompson } 54602ac6454SAndrew Thompson count_copy = count; 54702ac6454SAndrew Thompson while (count > 0) { 54802ac6454SAndrew Thompson 54902ac6454SAndrew Thompson usb2_get_page(td->pc, td->offset, &buf_res); 55002ac6454SAndrew Thompson 55102ac6454SAndrew Thompson /* get correct length */ 55202ac6454SAndrew Thompson if (buf_res.length > count) { 55302ac6454SAndrew Thompson buf_res.length = count; 55402ac6454SAndrew Thompson } 55502ac6454SAndrew Thompson /* transmit data */ 55602ac6454SAndrew Thompson bus_space_write_multi_1(td->io_tag, td->io_hdl, 55702ac6454SAndrew Thompson td->tx_fifo_reg, buf_res.buffer, buf_res.length); 55802ac6454SAndrew Thompson 55902ac6454SAndrew Thompson /* update counters */ 56002ac6454SAndrew Thompson count -= buf_res.length; 56102ac6454SAndrew Thompson td->offset += buf_res.length; 56202ac6454SAndrew Thompson td->remainder -= buf_res.length; 56302ac6454SAndrew Thompson } 56402ac6454SAndrew Thompson 56502ac6454SAndrew Thompson /* post-write high packet byte count first */ 56602ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 56702ac6454SAndrew Thompson td->tx_count_high_reg, count_copy >> 8); 56802ac6454SAndrew Thompson 56902ac6454SAndrew Thompson /* post-write low packet byte count last */ 57002ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 57102ac6454SAndrew Thompson td->tx_count_low_reg, count_copy); 57202ac6454SAndrew Thompson 57302ac6454SAndrew Thompson /* 57402ac6454SAndrew Thompson * Enable TX output, which must happen after that we have written 57502ac6454SAndrew Thompson * data into the FIFO. This is undocumented. 57602ac6454SAndrew Thompson */ 57702ac6454SAndrew Thompson if (!td->did_stall) { 57802ac6454SAndrew Thompson uss820dci_update_shared_1(USS820_DCI_PC2SC(td->pc), 57902ac6454SAndrew Thompson USS820_EPCON, 0xFF, USS820_EPCON_TXOE); 58002ac6454SAndrew Thompson td->did_stall = 1; 58102ac6454SAndrew Thompson } 58202ac6454SAndrew Thompson /* check remainder */ 58302ac6454SAndrew Thompson if (td->remainder == 0) { 58402ac6454SAndrew Thompson if (td->short_pkt) { 58502ac6454SAndrew Thompson return (0); /* complete */ 58602ac6454SAndrew Thompson } 58702ac6454SAndrew Thompson /* else we need to transmit a short packet */ 58802ac6454SAndrew Thompson } 58902ac6454SAndrew Thompson if (--to) { 59002ac6454SAndrew Thompson goto repeat; 59102ac6454SAndrew Thompson } 59202ac6454SAndrew Thompson return (1); /* not complete */ 59302ac6454SAndrew Thompson } 59402ac6454SAndrew Thompson 59502ac6454SAndrew Thompson static uint8_t 59602ac6454SAndrew Thompson uss820dci_data_tx_sync(struct uss820dci_td *td) 59702ac6454SAndrew Thompson { 59802ac6454SAndrew Thompson struct uss820dci_softc *sc; 59902ac6454SAndrew Thompson uint8_t rx_stat; 60002ac6454SAndrew Thompson uint8_t tx_flag; 60102ac6454SAndrew Thompson 60202ac6454SAndrew Thompson /* select the correct endpoint */ 60302ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 60402ac6454SAndrew Thompson td->ep_reg, td->ep_index); 60502ac6454SAndrew Thompson 60602ac6454SAndrew Thompson /* read out TX FIFO flag */ 60702ac6454SAndrew Thompson tx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 60802ac6454SAndrew Thompson td->tx_flag_reg); 60902ac6454SAndrew Thompson 61002ac6454SAndrew Thompson /* read out RX FIFO status last */ 61102ac6454SAndrew Thompson rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 61202ac6454SAndrew Thompson td->rx_stat_reg); 61302ac6454SAndrew Thompson 61402ac6454SAndrew Thompson DPRINTFN(5, "rx_stat=0x%02x rem=%u\n", rx_stat, td->remainder); 61502ac6454SAndrew Thompson 61602ac6454SAndrew Thompson if (rx_stat & (USS820_RXSTAT_RXSETUP | 61702ac6454SAndrew Thompson USS820_RXSTAT_RXSOVW | 61802ac6454SAndrew Thompson USS820_RXSTAT_EDOVW)) { 61902ac6454SAndrew Thompson DPRINTFN(5, "faking complete\n"); 62002ac6454SAndrew Thompson /* Race condition */ 62102ac6454SAndrew Thompson return (0); /* complete */ 62202ac6454SAndrew Thompson } 62302ac6454SAndrew Thompson DPRINTFN(5, "tx_flag=0x%02x rem=%u\n", 62402ac6454SAndrew Thompson tx_flag, td->remainder); 62502ac6454SAndrew Thompson 62602ac6454SAndrew Thompson if (tx_flag & (USS820_TXFLG_TXOVF | 62702ac6454SAndrew Thompson USS820_TXFLG_TXURF)) { 62802ac6454SAndrew Thompson td->error = 1; 62902ac6454SAndrew Thompson return (0); /* complete */ 63002ac6454SAndrew Thompson } 63102ac6454SAndrew Thompson if (tx_flag & (USS820_TXFLG_TXFIF0 | 63202ac6454SAndrew Thompson USS820_TXFLG_TXFIF1)) { 63302ac6454SAndrew Thompson return (1); /* not complete */ 63402ac6454SAndrew Thompson } 63502ac6454SAndrew Thompson sc = USS820_DCI_PC2SC(td->pc); 63602ac6454SAndrew Thompson if (sc->sc_dv_addr != 0xFF) { 63702ac6454SAndrew Thompson /* write function address */ 63802ac6454SAndrew Thompson uss820dci_set_address(sc, sc->sc_dv_addr); 63902ac6454SAndrew Thompson } 64002ac6454SAndrew Thompson return (0); /* complete */ 64102ac6454SAndrew Thompson } 64202ac6454SAndrew Thompson 64302ac6454SAndrew Thompson static uint8_t 64402ac6454SAndrew Thompson uss820dci_xfer_do_fifo(struct usb2_xfer *xfer) 64502ac6454SAndrew Thompson { 64602ac6454SAndrew Thompson struct uss820dci_td *td; 64702ac6454SAndrew Thompson 64802ac6454SAndrew Thompson DPRINTFN(9, "\n"); 64902ac6454SAndrew Thompson 65002ac6454SAndrew Thompson td = xfer->td_transfer_cache; 65102ac6454SAndrew Thompson while (1) { 65202ac6454SAndrew Thompson if ((td->func) (td)) { 65302ac6454SAndrew Thompson /* operation in progress */ 65402ac6454SAndrew Thompson break; 65502ac6454SAndrew Thompson } 65602ac6454SAndrew Thompson if (((void *)td) == xfer->td_transfer_last) { 65702ac6454SAndrew Thompson goto done; 65802ac6454SAndrew Thompson } 65902ac6454SAndrew Thompson if (td->error) { 66002ac6454SAndrew Thompson goto done; 66102ac6454SAndrew Thompson } else if (td->remainder > 0) { 66202ac6454SAndrew Thompson /* 66302ac6454SAndrew Thompson * We had a short transfer. If there is no alternate 66402ac6454SAndrew Thompson * next, stop processing ! 66502ac6454SAndrew Thompson */ 66602ac6454SAndrew Thompson if (!td->alt_next) { 66702ac6454SAndrew Thompson goto done; 66802ac6454SAndrew Thompson } 66902ac6454SAndrew Thompson } 67002ac6454SAndrew Thompson /* 67102ac6454SAndrew Thompson * Fetch the next transfer descriptor. 67202ac6454SAndrew Thompson */ 67302ac6454SAndrew Thompson td = td->obj_next; 67402ac6454SAndrew Thompson xfer->td_transfer_cache = td; 67502ac6454SAndrew Thompson } 67602ac6454SAndrew Thompson return (1); /* not complete */ 67702ac6454SAndrew Thompson 67802ac6454SAndrew Thompson done: 67902ac6454SAndrew Thompson /* compute all actual lengths */ 68002ac6454SAndrew Thompson 68102ac6454SAndrew Thompson uss820dci_standard_done(xfer); 68202ac6454SAndrew Thompson 68302ac6454SAndrew Thompson return (0); /* complete */ 68402ac6454SAndrew Thompson } 68502ac6454SAndrew Thompson 68602ac6454SAndrew Thompson static void 68702ac6454SAndrew Thompson uss820dci_interrupt_poll(struct uss820dci_softc *sc) 68802ac6454SAndrew Thompson { 68902ac6454SAndrew Thompson struct usb2_xfer *xfer; 69002ac6454SAndrew Thompson 69102ac6454SAndrew Thompson repeat: 69202ac6454SAndrew Thompson TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { 69302ac6454SAndrew Thompson if (!uss820dci_xfer_do_fifo(xfer)) { 69402ac6454SAndrew Thompson /* queue has been modified */ 69502ac6454SAndrew Thompson goto repeat; 69602ac6454SAndrew Thompson } 69702ac6454SAndrew Thompson } 69802ac6454SAndrew Thompson } 69902ac6454SAndrew Thompson 70002ac6454SAndrew Thompson static void 70102ac6454SAndrew Thompson uss820dci_wait_suspend(struct uss820dci_softc *sc, uint8_t on) 70202ac6454SAndrew Thompson { 70302ac6454SAndrew Thompson uint8_t scr; 70402ac6454SAndrew Thompson uint8_t scratch; 70502ac6454SAndrew Thompson 70602ac6454SAndrew Thompson scr = USS820_READ_1(sc, USS820_SCR); 70702ac6454SAndrew Thompson scratch = USS820_READ_1(sc, USS820_SCRATCH); 70802ac6454SAndrew Thompson 70902ac6454SAndrew Thompson if (on) { 71002ac6454SAndrew Thompson scr |= USS820_SCR_IE_SUSP; 71102ac6454SAndrew Thompson scratch &= ~USS820_SCRATCH_IE_RESUME; 71202ac6454SAndrew Thompson } else { 71302ac6454SAndrew Thompson scr &= ~USS820_SCR_IE_SUSP; 71402ac6454SAndrew Thompson scratch |= USS820_SCRATCH_IE_RESUME; 71502ac6454SAndrew Thompson } 71602ac6454SAndrew Thompson 71702ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCR, scr); 71802ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCRATCH, scratch); 71902ac6454SAndrew Thompson } 72002ac6454SAndrew Thompson 72102ac6454SAndrew Thompson void 72202ac6454SAndrew Thompson uss820dci_interrupt(struct uss820dci_softc *sc) 72302ac6454SAndrew Thompson { 72402ac6454SAndrew Thompson uint8_t ssr; 72502ac6454SAndrew Thompson uint8_t event; 72602ac6454SAndrew Thompson 72702ac6454SAndrew Thompson USB_BUS_LOCK(&sc->sc_bus); 72802ac6454SAndrew Thompson 72902ac6454SAndrew Thompson ssr = USS820_READ_1(sc, USS820_SSR); 73002ac6454SAndrew Thompson 73102ac6454SAndrew Thompson ssr &= (USS820_SSR_SUSPEND | 73202ac6454SAndrew Thompson USS820_SSR_RESUME | 73302ac6454SAndrew Thompson USS820_SSR_RESET); 73402ac6454SAndrew Thompson 73502ac6454SAndrew Thompson /* acknowledge all interrupts */ 73602ac6454SAndrew Thompson 73702ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_SSR, 0, 0); 73802ac6454SAndrew Thompson 73902ac6454SAndrew Thompson /* check for any bus state change interrupts */ 74002ac6454SAndrew Thompson 74102ac6454SAndrew Thompson if (ssr) { 74202ac6454SAndrew Thompson 74302ac6454SAndrew Thompson event = 0; 74402ac6454SAndrew Thompson 74502ac6454SAndrew Thompson if (ssr & USS820_SSR_RESET) { 74602ac6454SAndrew Thompson sc->sc_flags.status_bus_reset = 1; 74702ac6454SAndrew Thompson sc->sc_flags.status_suspend = 0; 74802ac6454SAndrew Thompson sc->sc_flags.change_suspend = 0; 74902ac6454SAndrew Thompson sc->sc_flags.change_connect = 1; 75002ac6454SAndrew Thompson 75102ac6454SAndrew Thompson /* disable resume interrupt */ 75202ac6454SAndrew Thompson uss820dci_wait_suspend(sc, 1); 75302ac6454SAndrew Thompson 75402ac6454SAndrew Thompson event = 1; 75502ac6454SAndrew Thompson } 75602ac6454SAndrew Thompson /* 75702ac6454SAndrew Thompson * If "RESUME" and "SUSPEND" is set at the same time 75802ac6454SAndrew Thompson * we interpret that like "RESUME". Resume is set when 75902ac6454SAndrew Thompson * there is at least 3 milliseconds of inactivity on 76002ac6454SAndrew Thompson * the USB BUS. 76102ac6454SAndrew Thompson */ 76202ac6454SAndrew Thompson if (ssr & USS820_SSR_RESUME) { 76302ac6454SAndrew Thompson if (sc->sc_flags.status_suspend) { 76402ac6454SAndrew Thompson sc->sc_flags.status_suspend = 0; 76502ac6454SAndrew Thompson sc->sc_flags.change_suspend = 1; 76602ac6454SAndrew Thompson /* disable resume interrupt */ 76702ac6454SAndrew Thompson uss820dci_wait_suspend(sc, 1); 76802ac6454SAndrew Thompson event = 1; 76902ac6454SAndrew Thompson } 77002ac6454SAndrew Thompson } else if (ssr & USS820_SSR_SUSPEND) { 77102ac6454SAndrew Thompson if (!sc->sc_flags.status_suspend) { 77202ac6454SAndrew Thompson sc->sc_flags.status_suspend = 1; 77302ac6454SAndrew Thompson sc->sc_flags.change_suspend = 1; 77402ac6454SAndrew Thompson /* enable resume interrupt */ 77502ac6454SAndrew Thompson uss820dci_wait_suspend(sc, 0); 77602ac6454SAndrew Thompson event = 1; 77702ac6454SAndrew Thompson } 77802ac6454SAndrew Thompson } 77902ac6454SAndrew Thompson if (event) { 78002ac6454SAndrew Thompson 78102ac6454SAndrew Thompson DPRINTF("real bus interrupt 0x%02x\n", ssr); 78202ac6454SAndrew Thompson 78302ac6454SAndrew Thompson /* complete root HUB interrupt endpoint */ 78439307315SAndrew Thompson uss820dci_root_intr(sc); 78502ac6454SAndrew Thompson } 78602ac6454SAndrew Thompson } 78702ac6454SAndrew Thompson /* acknowledge all SBI interrupts */ 78802ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_SBI, 0, 0); 78902ac6454SAndrew Thompson 79002ac6454SAndrew Thompson /* acknowledge all SBI1 interrupts */ 79102ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_SBI1, 0, 0); 79202ac6454SAndrew Thompson 79302ac6454SAndrew Thompson /* poll all active transfers */ 79402ac6454SAndrew Thompson uss820dci_interrupt_poll(sc); 79502ac6454SAndrew Thompson 79602ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 79702ac6454SAndrew Thompson } 79802ac6454SAndrew Thompson 79902ac6454SAndrew Thompson static void 80002ac6454SAndrew Thompson uss820dci_setup_standard_chain_sub(struct uss820_std_temp *temp) 80102ac6454SAndrew Thompson { 80202ac6454SAndrew Thompson struct uss820dci_td *td; 80302ac6454SAndrew Thompson 80402ac6454SAndrew Thompson /* get current Transfer Descriptor */ 80502ac6454SAndrew Thompson td = temp->td_next; 80602ac6454SAndrew Thompson temp->td = td; 80702ac6454SAndrew Thompson 80802ac6454SAndrew Thompson /* prepare for next TD */ 80902ac6454SAndrew Thompson temp->td_next = td->obj_next; 81002ac6454SAndrew Thompson 81102ac6454SAndrew Thompson /* fill out the Transfer Descriptor */ 81202ac6454SAndrew Thompson td->func = temp->func; 81302ac6454SAndrew Thompson td->pc = temp->pc; 81402ac6454SAndrew Thompson td->offset = temp->offset; 81502ac6454SAndrew Thompson td->remainder = temp->len; 81602ac6454SAndrew Thompson td->error = 0; 81702ac6454SAndrew Thompson td->did_stall = 0; 81802ac6454SAndrew Thompson td->short_pkt = temp->short_pkt; 81902ac6454SAndrew Thompson td->alt_next = temp->setup_alt_next; 82002ac6454SAndrew Thompson } 82102ac6454SAndrew Thompson 82202ac6454SAndrew Thompson static void 82302ac6454SAndrew Thompson uss820dci_setup_standard_chain(struct usb2_xfer *xfer) 82402ac6454SAndrew Thompson { 82502ac6454SAndrew Thompson struct uss820_std_temp temp; 82602ac6454SAndrew Thompson struct uss820dci_softc *sc; 82702ac6454SAndrew Thompson struct uss820dci_td *td; 82802ac6454SAndrew Thompson uint32_t x; 82902ac6454SAndrew Thompson uint8_t ep_no; 83002ac6454SAndrew Thompson 83102ac6454SAndrew Thompson DPRINTFN(9, "addr=%d endpt=%d sumlen=%d speed=%d\n", 83202ac6454SAndrew Thompson xfer->address, UE_GET_ADDR(xfer->endpoint), 83302ac6454SAndrew Thompson xfer->sumlen, usb2_get_speed(xfer->xroot->udev)); 83402ac6454SAndrew Thompson 83502ac6454SAndrew Thompson temp.max_frame_size = xfer->max_frame_size; 83602ac6454SAndrew Thompson 83702ac6454SAndrew Thompson td = xfer->td_start[0]; 83802ac6454SAndrew Thompson xfer->td_transfer_first = td; 83902ac6454SAndrew Thompson xfer->td_transfer_cache = td; 84002ac6454SAndrew Thompson 84102ac6454SAndrew Thompson /* setup temp */ 84202ac6454SAndrew Thompson 84302ac6454SAndrew Thompson temp.td = NULL; 84402ac6454SAndrew Thompson temp.td_next = xfer->td_start[0]; 84502ac6454SAndrew Thompson temp.offset = 0; 8460f7d4548SAndrew Thompson temp.setup_alt_next = xfer->flags_int.short_frames_ok; 84702ac6454SAndrew Thompson 84802ac6454SAndrew Thompson sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 84902ac6454SAndrew Thompson ep_no = (xfer->endpoint & UE_ADDR); 85002ac6454SAndrew Thompson 85102ac6454SAndrew Thompson /* check if we should prepend a setup message */ 85202ac6454SAndrew Thompson 85302ac6454SAndrew Thompson if (xfer->flags_int.control_xfr) { 85402ac6454SAndrew Thompson if (xfer->flags_int.control_hdr) { 85502ac6454SAndrew Thompson 85602ac6454SAndrew Thompson temp.func = &uss820dci_setup_rx; 85702ac6454SAndrew Thompson temp.len = xfer->frlengths[0]; 85802ac6454SAndrew Thompson temp.pc = xfer->frbuffers + 0; 85902ac6454SAndrew Thompson temp.short_pkt = temp.len ? 1 : 0; 8600f7d4548SAndrew Thompson /* check for last frame */ 8610f7d4548SAndrew Thompson if (xfer->nframes == 1) { 8620f7d4548SAndrew Thompson /* no STATUS stage yet, SETUP is last */ 8630f7d4548SAndrew Thompson if (xfer->flags_int.control_act) 8640f7d4548SAndrew Thompson temp.setup_alt_next = 0; 8650f7d4548SAndrew Thompson } 86602ac6454SAndrew Thompson 86702ac6454SAndrew Thompson uss820dci_setup_standard_chain_sub(&temp); 86802ac6454SAndrew Thompson } 86902ac6454SAndrew Thompson x = 1; 87002ac6454SAndrew Thompson } else { 87102ac6454SAndrew Thompson x = 0; 87202ac6454SAndrew Thompson } 87302ac6454SAndrew Thompson 87402ac6454SAndrew Thompson if (x != xfer->nframes) { 87502ac6454SAndrew Thompson if (xfer->endpoint & UE_DIR_IN) { 87602ac6454SAndrew Thompson temp.func = &uss820dci_data_tx; 87702ac6454SAndrew Thompson } else { 87802ac6454SAndrew Thompson temp.func = &uss820dci_data_rx; 87902ac6454SAndrew Thompson } 88002ac6454SAndrew Thompson 88102ac6454SAndrew Thompson /* setup "pc" pointer */ 88202ac6454SAndrew Thompson temp.pc = xfer->frbuffers + x; 88302ac6454SAndrew Thompson } 88402ac6454SAndrew Thompson while (x != xfer->nframes) { 88502ac6454SAndrew Thompson 88602ac6454SAndrew Thompson /* DATA0 / DATA1 message */ 88702ac6454SAndrew Thompson 88802ac6454SAndrew Thompson temp.len = xfer->frlengths[x]; 88902ac6454SAndrew Thompson 89002ac6454SAndrew Thompson x++; 89102ac6454SAndrew Thompson 89202ac6454SAndrew Thompson if (x == xfer->nframes) { 8930f7d4548SAndrew Thompson if (xfer->flags_int.control_xfr) { 8940f7d4548SAndrew Thompson if (xfer->flags_int.control_act) { 89502ac6454SAndrew Thompson temp.setup_alt_next = 0; 89602ac6454SAndrew Thompson } 8970f7d4548SAndrew Thompson } else { 8980f7d4548SAndrew Thompson temp.setup_alt_next = 0; 8990f7d4548SAndrew Thompson } 9000f7d4548SAndrew Thompson } 90102ac6454SAndrew Thompson if (temp.len == 0) { 90202ac6454SAndrew Thompson 90302ac6454SAndrew Thompson /* make sure that we send an USB packet */ 90402ac6454SAndrew Thompson 90502ac6454SAndrew Thompson temp.short_pkt = 0; 90602ac6454SAndrew Thompson 90702ac6454SAndrew Thompson } else { 90802ac6454SAndrew Thompson 90902ac6454SAndrew Thompson /* regular data transfer */ 91002ac6454SAndrew Thompson 91102ac6454SAndrew Thompson temp.short_pkt = (xfer->flags.force_short_xfer) ? 0 : 1; 91202ac6454SAndrew Thompson } 91302ac6454SAndrew Thompson 91402ac6454SAndrew Thompson uss820dci_setup_standard_chain_sub(&temp); 91502ac6454SAndrew Thompson 91602ac6454SAndrew Thompson if (xfer->flags_int.isochronous_xfr) { 91702ac6454SAndrew Thompson temp.offset += temp.len; 91802ac6454SAndrew Thompson } else { 91902ac6454SAndrew Thompson /* get next Page Cache pointer */ 92002ac6454SAndrew Thompson temp.pc = xfer->frbuffers + x; 92102ac6454SAndrew Thompson } 92202ac6454SAndrew Thompson } 92302ac6454SAndrew Thompson 9240f7d4548SAndrew Thompson /* check for control transfer */ 9250f7d4548SAndrew Thompson if (xfer->flags_int.control_xfr) { 9260f7d4548SAndrew Thompson uint8_t need_sync; 9270f7d4548SAndrew Thompson 92802ac6454SAndrew Thompson /* always setup a valid "pc" pointer for status and sync */ 92902ac6454SAndrew Thompson temp.pc = xfer->frbuffers + 0; 9300f7d4548SAndrew Thompson temp.len = 0; 9310f7d4548SAndrew Thompson temp.short_pkt = 0; 9320f7d4548SAndrew Thompson temp.setup_alt_next = 0; 93302ac6454SAndrew Thompson 93402ac6454SAndrew Thompson /* check if we should append a status stage */ 9350f7d4548SAndrew Thompson if (!xfer->flags_int.control_act) { 93602ac6454SAndrew Thompson 93702ac6454SAndrew Thompson /* 93802ac6454SAndrew Thompson * Send a DATA1 message and invert the current 93902ac6454SAndrew Thompson * endpoint direction. 94002ac6454SAndrew Thompson */ 94102ac6454SAndrew Thompson if (xfer->endpoint & UE_DIR_IN) { 94202ac6454SAndrew Thompson temp.func = &uss820dci_data_rx; 94302ac6454SAndrew Thompson need_sync = 0; 94402ac6454SAndrew Thompson } else { 94502ac6454SAndrew Thompson temp.func = &uss820dci_data_tx; 94602ac6454SAndrew Thompson need_sync = 1; 94702ac6454SAndrew Thompson } 94802ac6454SAndrew Thompson temp.len = 0; 94902ac6454SAndrew Thompson temp.short_pkt = 0; 95002ac6454SAndrew Thompson 95102ac6454SAndrew Thompson uss820dci_setup_standard_chain_sub(&temp); 95202ac6454SAndrew Thompson if (need_sync) { 95302ac6454SAndrew Thompson /* we need a SYNC point after TX */ 95402ac6454SAndrew Thompson temp.func = &uss820dci_data_tx_sync; 95502ac6454SAndrew Thompson uss820dci_setup_standard_chain_sub(&temp); 95602ac6454SAndrew Thompson } 95702ac6454SAndrew Thompson } 9580f7d4548SAndrew Thompson } 95902ac6454SAndrew Thompson /* must have at least one frame! */ 96002ac6454SAndrew Thompson td = temp.td; 96102ac6454SAndrew Thompson xfer->td_transfer_last = td; 96202ac6454SAndrew Thompson } 96302ac6454SAndrew Thompson 96402ac6454SAndrew Thompson static void 96502ac6454SAndrew Thompson uss820dci_timeout(void *arg) 96602ac6454SAndrew Thompson { 96702ac6454SAndrew Thompson struct usb2_xfer *xfer = arg; 96802ac6454SAndrew Thompson 96902ac6454SAndrew Thompson DPRINTF("xfer=%p\n", xfer); 97002ac6454SAndrew Thompson 97102ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); 97202ac6454SAndrew Thompson 97302ac6454SAndrew Thompson /* transfer is transferred */ 97402ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_TIMEOUT); 97502ac6454SAndrew Thompson } 97602ac6454SAndrew Thompson 97702ac6454SAndrew Thompson static void 97802ac6454SAndrew Thompson uss820dci_intr_set(struct usb2_xfer *xfer, uint8_t set) 97902ac6454SAndrew Thompson { 98002ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 98102ac6454SAndrew Thompson uint8_t ep_no = (xfer->endpoint & UE_ADDR); 98202ac6454SAndrew Thompson uint8_t ep_reg; 98302ac6454SAndrew Thompson uint8_t temp; 98402ac6454SAndrew Thompson 98502ac6454SAndrew Thompson DPRINTFN(15, "endpoint 0x%02x\n", xfer->endpoint); 98602ac6454SAndrew Thompson 98702ac6454SAndrew Thompson if (ep_no > 3) { 98802ac6454SAndrew Thompson ep_reg = USS820_SBIE1; 98902ac6454SAndrew Thompson } else { 99002ac6454SAndrew Thompson ep_reg = USS820_SBIE; 99102ac6454SAndrew Thompson } 99202ac6454SAndrew Thompson 99302ac6454SAndrew Thompson ep_no &= 3; 99402ac6454SAndrew Thompson ep_no = 1 << (2 * ep_no); 99502ac6454SAndrew Thompson 99602ac6454SAndrew Thompson if (xfer->flags_int.control_xfr) { 99702ac6454SAndrew Thompson if (xfer->flags_int.control_hdr) { 99802ac6454SAndrew Thompson ep_no <<= 1; /* RX interrupt only */ 99902ac6454SAndrew Thompson } else { 100002ac6454SAndrew Thompson ep_no |= (ep_no << 1); /* RX and TX interrupt */ 100102ac6454SAndrew Thompson } 100202ac6454SAndrew Thompson } else { 100302ac6454SAndrew Thompson if (!(xfer->endpoint & UE_DIR_IN)) { 100402ac6454SAndrew Thompson ep_no <<= 1; 100502ac6454SAndrew Thompson } 100602ac6454SAndrew Thompson } 100702ac6454SAndrew Thompson temp = USS820_READ_1(sc, ep_reg); 100802ac6454SAndrew Thompson if (set) { 100902ac6454SAndrew Thompson temp |= ep_no; 101002ac6454SAndrew Thompson } else { 101102ac6454SAndrew Thompson temp &= ~ep_no; 101202ac6454SAndrew Thompson } 101302ac6454SAndrew Thompson USS820_WRITE_1(sc, ep_reg, temp); 101402ac6454SAndrew Thompson } 101502ac6454SAndrew Thompson 101602ac6454SAndrew Thompson static void 101702ac6454SAndrew Thompson uss820dci_start_standard_chain(struct usb2_xfer *xfer) 101802ac6454SAndrew Thompson { 101902ac6454SAndrew Thompson DPRINTFN(9, "\n"); 102002ac6454SAndrew Thompson 102102ac6454SAndrew Thompson /* poll one time */ 102202ac6454SAndrew Thompson if (uss820dci_xfer_do_fifo(xfer)) { 102302ac6454SAndrew Thompson 102402ac6454SAndrew Thompson /* 102502ac6454SAndrew Thompson * Only enable the endpoint interrupt when we are 102602ac6454SAndrew Thompson * actually waiting for data, hence we are dealing 102702ac6454SAndrew Thompson * with level triggered interrupts ! 102802ac6454SAndrew Thompson */ 102902ac6454SAndrew Thompson uss820dci_intr_set(xfer, 1); 103002ac6454SAndrew Thompson 103102ac6454SAndrew Thompson /* put transfer on interrupt queue */ 103202ac6454SAndrew Thompson usb2_transfer_enqueue(&xfer->xroot->bus->intr_q, xfer); 103302ac6454SAndrew Thompson 103402ac6454SAndrew Thompson /* start timeout, if any */ 103502ac6454SAndrew Thompson if (xfer->timeout != 0) { 103602ac6454SAndrew Thompson usb2_transfer_timeout_ms(xfer, 103702ac6454SAndrew Thompson &uss820dci_timeout, xfer->timeout); 103802ac6454SAndrew Thompson } 103902ac6454SAndrew Thompson } 104002ac6454SAndrew Thompson } 104102ac6454SAndrew Thompson 104202ac6454SAndrew Thompson static void 104339307315SAndrew Thompson uss820dci_root_intr(struct uss820dci_softc *sc) 104402ac6454SAndrew Thompson { 104502ac6454SAndrew Thompson DPRINTFN(9, "\n"); 104602ac6454SAndrew Thompson 104702ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 104802ac6454SAndrew Thompson 104902ac6454SAndrew Thompson /* set port bit */ 105002ac6454SAndrew Thompson sc->sc_hub_idata[0] = 0x02; /* we only have one port */ 105102ac6454SAndrew Thompson 105239307315SAndrew Thompson uhub_root_intr(&sc->sc_bus, sc->sc_hub_idata, 105339307315SAndrew Thompson sizeof(sc->sc_hub_idata)); 105402ac6454SAndrew Thompson } 105502ac6454SAndrew Thompson 105602ac6454SAndrew Thompson static usb2_error_t 105702ac6454SAndrew Thompson uss820dci_standard_done_sub(struct usb2_xfer *xfer) 105802ac6454SAndrew Thompson { 105902ac6454SAndrew Thompson struct uss820dci_td *td; 106002ac6454SAndrew Thompson uint32_t len; 106102ac6454SAndrew Thompson uint8_t error; 106202ac6454SAndrew Thompson 106302ac6454SAndrew Thompson DPRINTFN(9, "\n"); 106402ac6454SAndrew Thompson 106502ac6454SAndrew Thompson td = xfer->td_transfer_cache; 106602ac6454SAndrew Thompson 106702ac6454SAndrew Thompson do { 106802ac6454SAndrew Thompson len = td->remainder; 106902ac6454SAndrew Thompson 107002ac6454SAndrew Thompson if (xfer->aframes != xfer->nframes) { 107102ac6454SAndrew Thompson /* 107202ac6454SAndrew Thompson * Verify the length and subtract 107302ac6454SAndrew Thompson * the remainder from "frlengths[]": 107402ac6454SAndrew Thompson */ 107502ac6454SAndrew Thompson if (len > xfer->frlengths[xfer->aframes]) { 107602ac6454SAndrew Thompson td->error = 1; 107702ac6454SAndrew Thompson } else { 107802ac6454SAndrew Thompson xfer->frlengths[xfer->aframes] -= len; 107902ac6454SAndrew Thompson } 108002ac6454SAndrew Thompson } 108102ac6454SAndrew Thompson /* Check for transfer error */ 108202ac6454SAndrew Thompson if (td->error) { 108302ac6454SAndrew Thompson /* the transfer is finished */ 108402ac6454SAndrew Thompson error = 1; 108502ac6454SAndrew Thompson td = NULL; 108602ac6454SAndrew Thompson break; 108702ac6454SAndrew Thompson } 108802ac6454SAndrew Thompson /* Check for short transfer */ 108902ac6454SAndrew Thompson if (len > 0) { 109002ac6454SAndrew Thompson if (xfer->flags_int.short_frames_ok) { 109102ac6454SAndrew Thompson /* follow alt next */ 109202ac6454SAndrew Thompson if (td->alt_next) { 109302ac6454SAndrew Thompson td = td->obj_next; 109402ac6454SAndrew Thompson } else { 109502ac6454SAndrew Thompson td = NULL; 109602ac6454SAndrew Thompson } 109702ac6454SAndrew Thompson } else { 109802ac6454SAndrew Thompson /* the transfer is finished */ 109902ac6454SAndrew Thompson td = NULL; 110002ac6454SAndrew Thompson } 110102ac6454SAndrew Thompson error = 0; 110202ac6454SAndrew Thompson break; 110302ac6454SAndrew Thompson } 110402ac6454SAndrew Thompson td = td->obj_next; 110502ac6454SAndrew Thompson 110602ac6454SAndrew Thompson /* this USB frame is complete */ 110702ac6454SAndrew Thompson error = 0; 110802ac6454SAndrew Thompson break; 110902ac6454SAndrew Thompson 111002ac6454SAndrew Thompson } while (0); 111102ac6454SAndrew Thompson 111202ac6454SAndrew Thompson /* update transfer cache */ 111302ac6454SAndrew Thompson 111402ac6454SAndrew Thompson xfer->td_transfer_cache = td; 111502ac6454SAndrew Thompson 111602ac6454SAndrew Thompson return (error ? 111702ac6454SAndrew Thompson USB_ERR_STALLED : USB_ERR_NORMAL_COMPLETION); 111802ac6454SAndrew Thompson } 111902ac6454SAndrew Thompson 112002ac6454SAndrew Thompson static void 112102ac6454SAndrew Thompson uss820dci_standard_done(struct usb2_xfer *xfer) 112202ac6454SAndrew Thompson { 112302ac6454SAndrew Thompson usb2_error_t err = 0; 112402ac6454SAndrew Thompson 112502ac6454SAndrew Thompson DPRINTFN(13, "xfer=%p pipe=%p transfer done\n", 112602ac6454SAndrew Thompson xfer, xfer->pipe); 112702ac6454SAndrew Thompson 112802ac6454SAndrew Thompson /* reset scanner */ 112902ac6454SAndrew Thompson 113002ac6454SAndrew Thompson xfer->td_transfer_cache = xfer->td_transfer_first; 113102ac6454SAndrew Thompson 113202ac6454SAndrew Thompson if (xfer->flags_int.control_xfr) { 113302ac6454SAndrew Thompson 113402ac6454SAndrew Thompson if (xfer->flags_int.control_hdr) { 113502ac6454SAndrew Thompson 113602ac6454SAndrew Thompson err = uss820dci_standard_done_sub(xfer); 113702ac6454SAndrew Thompson } 113802ac6454SAndrew Thompson xfer->aframes = 1; 113902ac6454SAndrew Thompson 114002ac6454SAndrew Thompson if (xfer->td_transfer_cache == NULL) { 114102ac6454SAndrew Thompson goto done; 114202ac6454SAndrew Thompson } 114302ac6454SAndrew Thompson } 114402ac6454SAndrew Thompson while (xfer->aframes != xfer->nframes) { 114502ac6454SAndrew Thompson 114602ac6454SAndrew Thompson err = uss820dci_standard_done_sub(xfer); 114702ac6454SAndrew Thompson xfer->aframes++; 114802ac6454SAndrew Thompson 114902ac6454SAndrew Thompson if (xfer->td_transfer_cache == NULL) { 115002ac6454SAndrew Thompson goto done; 115102ac6454SAndrew Thompson } 115202ac6454SAndrew Thompson } 115302ac6454SAndrew Thompson 115402ac6454SAndrew Thompson if (xfer->flags_int.control_xfr && 115502ac6454SAndrew Thompson !xfer->flags_int.control_act) { 115602ac6454SAndrew Thompson 115702ac6454SAndrew Thompson err = uss820dci_standard_done_sub(xfer); 115802ac6454SAndrew Thompson } 115902ac6454SAndrew Thompson done: 116002ac6454SAndrew Thompson uss820dci_device_done(xfer, err); 116102ac6454SAndrew Thompson } 116202ac6454SAndrew Thompson 116302ac6454SAndrew Thompson /*------------------------------------------------------------------------* 116402ac6454SAndrew Thompson * uss820dci_device_done 116502ac6454SAndrew Thompson * 116602ac6454SAndrew Thompson * NOTE: this function can be called more than one time on the 116702ac6454SAndrew Thompson * same USB transfer! 116802ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 116902ac6454SAndrew Thompson static void 117002ac6454SAndrew Thompson uss820dci_device_done(struct usb2_xfer *xfer, usb2_error_t error) 117102ac6454SAndrew Thompson { 117202ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); 117302ac6454SAndrew Thompson 117402ac6454SAndrew Thompson DPRINTFN(2, "xfer=%p, pipe=%p, error=%d\n", 117502ac6454SAndrew Thompson xfer, xfer->pipe, error); 117602ac6454SAndrew Thompson 117702ac6454SAndrew Thompson if (xfer->flags_int.usb2_mode == USB_MODE_DEVICE) { 117802ac6454SAndrew Thompson uss820dci_intr_set(xfer, 0); 117902ac6454SAndrew Thompson } 118002ac6454SAndrew Thompson /* dequeue transfer and start next transfer */ 118102ac6454SAndrew Thompson usb2_transfer_done(xfer, error); 118202ac6454SAndrew Thompson } 118302ac6454SAndrew Thompson 118402ac6454SAndrew Thompson static void 118502ac6454SAndrew Thompson uss820dci_set_stall(struct usb2_device *udev, struct usb2_xfer *xfer, 118602ac6454SAndrew Thompson struct usb2_pipe *pipe) 118702ac6454SAndrew Thompson { 118802ac6454SAndrew Thompson struct uss820dci_softc *sc; 118902ac6454SAndrew Thompson uint8_t ep_no; 119002ac6454SAndrew Thompson uint8_t ep_type; 119102ac6454SAndrew Thompson uint8_t ep_dir; 119202ac6454SAndrew Thompson uint8_t temp; 119302ac6454SAndrew Thompson 119402ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(udev->bus, MA_OWNED); 119502ac6454SAndrew Thompson 119602ac6454SAndrew Thompson DPRINTFN(5, "pipe=%p\n", pipe); 119702ac6454SAndrew Thompson 119802ac6454SAndrew Thompson if (xfer) { 119902ac6454SAndrew Thompson /* cancel any ongoing transfers */ 120002ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_STALLED); 120102ac6454SAndrew Thompson } 120202ac6454SAndrew Thompson /* set FORCESTALL */ 120302ac6454SAndrew Thompson sc = USS820_DCI_BUS2SC(udev->bus); 120402ac6454SAndrew Thompson ep_no = (pipe->edesc->bEndpointAddress & UE_ADDR); 120502ac6454SAndrew Thompson ep_dir = (pipe->edesc->bEndpointAddress & (UE_DIR_IN | UE_DIR_OUT)); 120602ac6454SAndrew Thompson ep_type = (pipe->edesc->bmAttributes & UE_XFERTYPE); 120702ac6454SAndrew Thompson 120802ac6454SAndrew Thompson if (ep_type == UE_CONTROL) { 120902ac6454SAndrew Thompson /* should not happen */ 121002ac6454SAndrew Thompson return; 121102ac6454SAndrew Thompson } 121202ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_EPINDEX, ep_no); 121302ac6454SAndrew Thompson 121402ac6454SAndrew Thompson if (ep_dir == UE_DIR_IN) { 121502ac6454SAndrew Thompson temp = USS820_EPCON_TXSTL; 121602ac6454SAndrew Thompson } else { 121702ac6454SAndrew Thompson temp = USS820_EPCON_RXSTL; 121802ac6454SAndrew Thompson } 121902ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, temp); 122002ac6454SAndrew Thompson } 122102ac6454SAndrew Thompson 122202ac6454SAndrew Thompson static void 122302ac6454SAndrew Thompson uss820dci_clear_stall_sub(struct uss820dci_softc *sc, 122402ac6454SAndrew Thompson uint8_t ep_no, uint8_t ep_type, uint8_t ep_dir) 122502ac6454SAndrew Thompson { 122602ac6454SAndrew Thompson uint8_t temp; 122702ac6454SAndrew Thompson 122802ac6454SAndrew Thompson if (ep_type == UE_CONTROL) { 122902ac6454SAndrew Thompson /* clearing stall is not needed */ 123002ac6454SAndrew Thompson return; 123102ac6454SAndrew Thompson } 123202ac6454SAndrew Thompson /* select endpoint index */ 123302ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_EPINDEX, ep_no); 123402ac6454SAndrew Thompson 123502ac6454SAndrew Thompson /* clear stall and disable I/O transfers */ 123602ac6454SAndrew Thompson if (ep_dir == UE_DIR_IN) { 123702ac6454SAndrew Thompson temp = 0xFF ^ (USS820_EPCON_TXOE | 123802ac6454SAndrew Thompson USS820_EPCON_TXSTL); 123902ac6454SAndrew Thompson } else { 124002ac6454SAndrew Thompson temp = 0xFF ^ (USS820_EPCON_RXIE | 124102ac6454SAndrew Thompson USS820_EPCON_RXSTL); 124202ac6454SAndrew Thompson } 124302ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_EPCON, temp, 0); 124402ac6454SAndrew Thompson 124502ac6454SAndrew Thompson if (ep_dir == UE_DIR_IN) { 124602ac6454SAndrew Thompson /* reset data toggle */ 124702ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_TXSTAT, 124802ac6454SAndrew Thompson USS820_TXSTAT_TXSOVW); 124902ac6454SAndrew Thompson 125002ac6454SAndrew Thompson /* reset FIFO */ 125102ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_TXCON); 125202ac6454SAndrew Thompson temp |= USS820_TXCON_TXCLR; 125302ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_TXCON, temp); 125402ac6454SAndrew Thompson temp &= ~USS820_TXCON_TXCLR; 125502ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_TXCON, temp); 125602ac6454SAndrew Thompson } else { 125702ac6454SAndrew Thompson 125802ac6454SAndrew Thompson /* reset data toggle */ 125902ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_RXSTAT, 126002ac6454SAndrew Thompson 0, USS820_RXSTAT_RXSOVW); 126102ac6454SAndrew Thompson 126202ac6454SAndrew Thompson /* reset FIFO */ 126302ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_RXCON); 126402ac6454SAndrew Thompson temp |= USS820_RXCON_RXCLR; 126502ac6454SAndrew Thompson temp &= ~USS820_RXCON_RXFFRC; 126602ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_RXCON, temp); 126702ac6454SAndrew Thompson temp &= ~USS820_RXCON_RXCLR; 126802ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_RXCON, temp); 126902ac6454SAndrew Thompson } 127002ac6454SAndrew Thompson } 127102ac6454SAndrew Thompson 127202ac6454SAndrew Thompson static void 127302ac6454SAndrew Thompson uss820dci_clear_stall(struct usb2_device *udev, struct usb2_pipe *pipe) 127402ac6454SAndrew Thompson { 127502ac6454SAndrew Thompson struct uss820dci_softc *sc; 127602ac6454SAndrew Thompson struct usb2_endpoint_descriptor *ed; 127702ac6454SAndrew Thompson 127802ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(udev->bus, MA_OWNED); 127902ac6454SAndrew Thompson 128002ac6454SAndrew Thompson DPRINTFN(5, "pipe=%p\n", pipe); 128102ac6454SAndrew Thompson 128202ac6454SAndrew Thompson /* check mode */ 128302ac6454SAndrew Thompson if (udev->flags.usb2_mode != USB_MODE_DEVICE) { 128402ac6454SAndrew Thompson /* not supported */ 128502ac6454SAndrew Thompson return; 128602ac6454SAndrew Thompson } 128702ac6454SAndrew Thompson /* get softc */ 128802ac6454SAndrew Thompson sc = USS820_DCI_BUS2SC(udev->bus); 128902ac6454SAndrew Thompson 129002ac6454SAndrew Thompson /* get endpoint descriptor */ 129102ac6454SAndrew Thompson ed = pipe->edesc; 129202ac6454SAndrew Thompson 129302ac6454SAndrew Thompson /* reset endpoint */ 129402ac6454SAndrew Thompson uss820dci_clear_stall_sub(sc, 129502ac6454SAndrew Thompson (ed->bEndpointAddress & UE_ADDR), 129602ac6454SAndrew Thompson (ed->bmAttributes & UE_XFERTYPE), 129702ac6454SAndrew Thompson (ed->bEndpointAddress & (UE_DIR_IN | UE_DIR_OUT))); 129802ac6454SAndrew Thompson } 129902ac6454SAndrew Thompson 130002ac6454SAndrew Thompson usb2_error_t 130102ac6454SAndrew Thompson uss820dci_init(struct uss820dci_softc *sc) 130202ac6454SAndrew Thompson { 130302ac6454SAndrew Thompson const struct usb2_hw_ep_profile *pf; 130402ac6454SAndrew Thompson uint8_t n; 130502ac6454SAndrew Thompson uint8_t temp; 130602ac6454SAndrew Thompson 130702ac6454SAndrew Thompson DPRINTF("start\n"); 130802ac6454SAndrew Thompson 130902ac6454SAndrew Thompson /* set up the bus structure */ 131002ac6454SAndrew Thompson sc->sc_bus.usbrev = USB_REV_1_1; 131102ac6454SAndrew Thompson sc->sc_bus.methods = &uss820dci_bus_methods; 131202ac6454SAndrew Thompson 131302ac6454SAndrew Thompson USB_BUS_LOCK(&sc->sc_bus); 131402ac6454SAndrew Thompson 131502ac6454SAndrew Thompson /* we always have VBUS */ 131602ac6454SAndrew Thompson sc->sc_flags.status_vbus = 1; 131702ac6454SAndrew Thompson 131802ac6454SAndrew Thompson /* reset the chip */ 131902ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCR, USS820_SCR_SRESET); 132002ac6454SAndrew Thompson DELAY(100); 132102ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCR, 0); 132202ac6454SAndrew Thompson 132302ac6454SAndrew Thompson /* wait for reset to complete */ 132402ac6454SAndrew Thompson for (n = 0;; n++) { 132502ac6454SAndrew Thompson 132602ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_MCSR); 132702ac6454SAndrew Thompson 132802ac6454SAndrew Thompson if (temp & USS820_MCSR_INIT) { 132902ac6454SAndrew Thompson break; 133002ac6454SAndrew Thompson } 133102ac6454SAndrew Thompson if (n == 100) { 133202ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 133302ac6454SAndrew Thompson return (USB_ERR_INVAL); 133402ac6454SAndrew Thompson } 133502ac6454SAndrew Thompson /* wait a little for things to stabilise */ 133602ac6454SAndrew Thompson DELAY(100); 133702ac6454SAndrew Thompson } 133802ac6454SAndrew Thompson 133902ac6454SAndrew Thompson /* do a pulldown */ 134002ac6454SAndrew Thompson uss820dci_pull_down(sc); 134102ac6454SAndrew Thompson 134202ac6454SAndrew Thompson /* wait 10ms for pulldown to stabilise */ 134302ac6454SAndrew Thompson usb2_pause_mtx(&sc->sc_bus.bus_mtx, hz / 100); 134402ac6454SAndrew Thompson 134502ac6454SAndrew Thompson /* check hardware revision */ 134602ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_REV); 134702ac6454SAndrew Thompson 134802ac6454SAndrew Thompson if (temp < 0x13) { 134902ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 135002ac6454SAndrew Thompson return (USB_ERR_INVAL); 135102ac6454SAndrew Thompson } 135202ac6454SAndrew Thompson /* enable interrupts */ 135302ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCR, 135402ac6454SAndrew Thompson USS820_SCR_T_IRQ | 135502ac6454SAndrew Thompson USS820_SCR_IE_RESET | 135602ac6454SAndrew Thompson /* USS820_SCR_RWUPE | */ 135702ac6454SAndrew Thompson USS820_SCR_IE_SUSP | 135802ac6454SAndrew Thompson USS820_SCR_IRQPOL); 135902ac6454SAndrew Thompson 136002ac6454SAndrew Thompson /* enable interrupts */ 136102ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCRATCH, 136202ac6454SAndrew Thompson USS820_SCRATCH_IE_RESUME); 136302ac6454SAndrew Thompson 136402ac6454SAndrew Thompson /* enable features */ 136502ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_MCSR, 136602ac6454SAndrew Thompson USS820_MCSR_BDFEAT | 136702ac6454SAndrew Thompson USS820_MCSR_FEAT); 136802ac6454SAndrew Thompson 136902ac6454SAndrew Thompson sc->sc_flags.mcsr_feat = 1; 137002ac6454SAndrew Thompson 137102ac6454SAndrew Thompson /* disable interrupts */ 137202ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SBIE, 0); 137302ac6454SAndrew Thompson 137402ac6454SAndrew Thompson /* disable interrupts */ 137502ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SBIE1, 0); 137602ac6454SAndrew Thompson 137702ac6454SAndrew Thompson /* disable all endpoints */ 137802ac6454SAndrew Thompson for (n = 0; n != USS820_EP_MAX; n++) { 137902ac6454SAndrew Thompson 138002ac6454SAndrew Thompson /* select endpoint */ 138102ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_EPINDEX, n); 138202ac6454SAndrew Thompson 138302ac6454SAndrew Thompson /* disable endpoint */ 138402ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_EPCON, 0, 0); 138502ac6454SAndrew Thompson } 138602ac6454SAndrew Thompson 138702ac6454SAndrew Thompson /* 138802ac6454SAndrew Thompson * Initialise default values for some registers that cannot be 138902ac6454SAndrew Thompson * changed during operation! 139002ac6454SAndrew Thompson */ 139102ac6454SAndrew Thompson for (n = 0; n != USS820_EP_MAX; n++) { 139202ac6454SAndrew Thompson 139302ac6454SAndrew Thompson uss820dci_get_hw_ep_profile(NULL, &pf, n); 139402ac6454SAndrew Thompson 139502ac6454SAndrew Thompson /* the maximum frame sizes should be the same */ 139602ac6454SAndrew Thompson if (pf->max_in_frame_size != pf->max_out_frame_size) { 139702ac6454SAndrew Thompson DPRINTF("Max frame size mismatch %u != %u\n", 139802ac6454SAndrew Thompson pf->max_in_frame_size, pf->max_out_frame_size); 139902ac6454SAndrew Thompson } 140002ac6454SAndrew Thompson if (pf->support_isochronous) { 140102ac6454SAndrew Thompson if (pf->max_in_frame_size <= 64) { 140202ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_16_64 | 140302ac6454SAndrew Thompson USS820_TXCON_TXISO | 140402ac6454SAndrew Thompson USS820_TXCON_ATM); 140502ac6454SAndrew Thompson } else if (pf->max_in_frame_size <= 256) { 140602ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_64_256 | 140702ac6454SAndrew Thompson USS820_TXCON_TXISO | 140802ac6454SAndrew Thompson USS820_TXCON_ATM); 140902ac6454SAndrew Thompson } else if (pf->max_in_frame_size <= 512) { 141002ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_8_512 | 141102ac6454SAndrew Thompson USS820_TXCON_TXISO | 141202ac6454SAndrew Thompson USS820_TXCON_ATM); 141302ac6454SAndrew Thompson } else { /* 1024 bytes */ 141402ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_32_1024 | 141502ac6454SAndrew Thompson USS820_TXCON_TXISO | 141602ac6454SAndrew Thompson USS820_TXCON_ATM); 141702ac6454SAndrew Thompson } 141802ac6454SAndrew Thompson } else { 141902ac6454SAndrew Thompson if ((pf->max_in_frame_size <= 8) && 142002ac6454SAndrew Thompson (sc->sc_flags.mcsr_feat)) { 142102ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_8_512 | 142202ac6454SAndrew Thompson USS820_TXCON_ATM); 142302ac6454SAndrew Thompson } else if (pf->max_in_frame_size <= 16) { 142402ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_16_64 | 142502ac6454SAndrew Thompson USS820_TXCON_ATM); 142602ac6454SAndrew Thompson } else if ((pf->max_in_frame_size <= 32) && 142702ac6454SAndrew Thompson (sc->sc_flags.mcsr_feat)) { 142802ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_32_1024 | 142902ac6454SAndrew Thompson USS820_TXCON_ATM); 143002ac6454SAndrew Thompson } else { /* 64 bytes */ 143102ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_64_256 | 143202ac6454SAndrew Thompson USS820_TXCON_ATM); 143302ac6454SAndrew Thompson } 143402ac6454SAndrew Thompson } 143502ac6454SAndrew Thompson 143602ac6454SAndrew Thompson /* need to configure the chip early */ 143702ac6454SAndrew Thompson 143802ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_EPINDEX, n); 143902ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_TXCON, temp); 144002ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_RXCON, temp); 144102ac6454SAndrew Thompson 144202ac6454SAndrew Thompson if (pf->support_control) { 144302ac6454SAndrew Thompson temp = USS820_EPCON_CTLEP | 144402ac6454SAndrew Thompson USS820_EPCON_RXSPM | 144502ac6454SAndrew Thompson USS820_EPCON_RXIE | 144602ac6454SAndrew Thompson USS820_EPCON_RXEPEN | 144702ac6454SAndrew Thompson USS820_EPCON_TXOE | 144802ac6454SAndrew Thompson USS820_EPCON_TXEPEN; 144902ac6454SAndrew Thompson } else { 145002ac6454SAndrew Thompson temp = USS820_EPCON_RXEPEN | USS820_EPCON_TXEPEN; 145102ac6454SAndrew Thompson } 145202ac6454SAndrew Thompson 145302ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, temp); 145402ac6454SAndrew Thompson } 145502ac6454SAndrew Thompson 145602ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 145702ac6454SAndrew Thompson 145802ac6454SAndrew Thompson /* catch any lost interrupts */ 145902ac6454SAndrew Thompson 146002ac6454SAndrew Thompson uss820dci_do_poll(&sc->sc_bus); 146102ac6454SAndrew Thompson 146202ac6454SAndrew Thompson return (0); /* success */ 146302ac6454SAndrew Thompson } 146402ac6454SAndrew Thompson 146502ac6454SAndrew Thompson void 146602ac6454SAndrew Thompson uss820dci_uninit(struct uss820dci_softc *sc) 146702ac6454SAndrew Thompson { 146802ac6454SAndrew Thompson uint8_t temp; 146902ac6454SAndrew Thompson 147002ac6454SAndrew Thompson USB_BUS_LOCK(&sc->sc_bus); 147102ac6454SAndrew Thompson 147202ac6454SAndrew Thompson /* disable all interrupts */ 147302ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_SCR); 147402ac6454SAndrew Thompson temp &= ~USS820_SCR_T_IRQ; 147502ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCR, temp); 147602ac6454SAndrew Thompson 147702ac6454SAndrew Thompson sc->sc_flags.port_powered = 0; 147802ac6454SAndrew Thompson sc->sc_flags.status_vbus = 0; 147902ac6454SAndrew Thompson sc->sc_flags.status_bus_reset = 0; 148002ac6454SAndrew Thompson sc->sc_flags.status_suspend = 0; 148102ac6454SAndrew Thompson sc->sc_flags.change_suspend = 0; 148202ac6454SAndrew Thompson sc->sc_flags.change_connect = 1; 148302ac6454SAndrew Thompson 148402ac6454SAndrew Thompson uss820dci_pull_down(sc); 148502ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 148602ac6454SAndrew Thompson } 148702ac6454SAndrew Thompson 148802ac6454SAndrew Thompson void 148902ac6454SAndrew Thompson uss820dci_suspend(struct uss820dci_softc *sc) 149002ac6454SAndrew Thompson { 149102ac6454SAndrew Thompson return; 149202ac6454SAndrew Thompson } 149302ac6454SAndrew Thompson 149402ac6454SAndrew Thompson void 149502ac6454SAndrew Thompson uss820dci_resume(struct uss820dci_softc *sc) 149602ac6454SAndrew Thompson { 149702ac6454SAndrew Thompson return; 149802ac6454SAndrew Thompson } 149902ac6454SAndrew Thompson 150002ac6454SAndrew Thompson static void 150102ac6454SAndrew Thompson uss820dci_do_poll(struct usb2_bus *bus) 150202ac6454SAndrew Thompson { 150302ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(bus); 150402ac6454SAndrew Thompson 150502ac6454SAndrew Thompson USB_BUS_LOCK(&sc->sc_bus); 150602ac6454SAndrew Thompson uss820dci_interrupt_poll(sc); 150702ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 150802ac6454SAndrew Thompson } 150902ac6454SAndrew Thompson 151002ac6454SAndrew Thompson /*------------------------------------------------------------------------* 151102ac6454SAndrew Thompson * at91dci bulk support 151202ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 151302ac6454SAndrew Thompson static void 151402ac6454SAndrew Thompson uss820dci_device_bulk_open(struct usb2_xfer *xfer) 151502ac6454SAndrew Thompson { 151602ac6454SAndrew Thompson return; 151702ac6454SAndrew Thompson } 151802ac6454SAndrew Thompson 151902ac6454SAndrew Thompson static void 152002ac6454SAndrew Thompson uss820dci_device_bulk_close(struct usb2_xfer *xfer) 152102ac6454SAndrew Thompson { 152202ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_CANCELLED); 152302ac6454SAndrew Thompson } 152402ac6454SAndrew Thompson 152502ac6454SAndrew Thompson static void 152602ac6454SAndrew Thompson uss820dci_device_bulk_enter(struct usb2_xfer *xfer) 152702ac6454SAndrew Thompson { 152802ac6454SAndrew Thompson return; 152902ac6454SAndrew Thompson } 153002ac6454SAndrew Thompson 153102ac6454SAndrew Thompson static void 153202ac6454SAndrew Thompson uss820dci_device_bulk_start(struct usb2_xfer *xfer) 153302ac6454SAndrew Thompson { 153402ac6454SAndrew Thompson /* setup TDs */ 153502ac6454SAndrew Thompson uss820dci_setup_standard_chain(xfer); 153602ac6454SAndrew Thompson uss820dci_start_standard_chain(xfer); 153702ac6454SAndrew Thompson } 153802ac6454SAndrew Thompson 153902ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_bulk_methods = 154002ac6454SAndrew Thompson { 154102ac6454SAndrew Thompson .open = uss820dci_device_bulk_open, 154202ac6454SAndrew Thompson .close = uss820dci_device_bulk_close, 154302ac6454SAndrew Thompson .enter = uss820dci_device_bulk_enter, 154402ac6454SAndrew Thompson .start = uss820dci_device_bulk_start, 154502ac6454SAndrew Thompson .enter_is_cancelable = 1, 154602ac6454SAndrew Thompson .start_is_cancelable = 1, 154702ac6454SAndrew Thompson }; 154802ac6454SAndrew Thompson 154902ac6454SAndrew Thompson /*------------------------------------------------------------------------* 155002ac6454SAndrew Thompson * at91dci control support 155102ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 155202ac6454SAndrew Thompson static void 155302ac6454SAndrew Thompson uss820dci_device_ctrl_open(struct usb2_xfer *xfer) 155402ac6454SAndrew Thompson { 155502ac6454SAndrew Thompson return; 155602ac6454SAndrew Thompson } 155702ac6454SAndrew Thompson 155802ac6454SAndrew Thompson static void 155902ac6454SAndrew Thompson uss820dci_device_ctrl_close(struct usb2_xfer *xfer) 156002ac6454SAndrew Thompson { 156102ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_CANCELLED); 156202ac6454SAndrew Thompson } 156302ac6454SAndrew Thompson 156402ac6454SAndrew Thompson static void 156502ac6454SAndrew Thompson uss820dci_device_ctrl_enter(struct usb2_xfer *xfer) 156602ac6454SAndrew Thompson { 156702ac6454SAndrew Thompson return; 156802ac6454SAndrew Thompson } 156902ac6454SAndrew Thompson 157002ac6454SAndrew Thompson static void 157102ac6454SAndrew Thompson uss820dci_device_ctrl_start(struct usb2_xfer *xfer) 157202ac6454SAndrew Thompson { 157302ac6454SAndrew Thompson /* setup TDs */ 157402ac6454SAndrew Thompson uss820dci_setup_standard_chain(xfer); 157502ac6454SAndrew Thompson uss820dci_start_standard_chain(xfer); 157602ac6454SAndrew Thompson } 157702ac6454SAndrew Thompson 157802ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_ctrl_methods = 157902ac6454SAndrew Thompson { 158002ac6454SAndrew Thompson .open = uss820dci_device_ctrl_open, 158102ac6454SAndrew Thompson .close = uss820dci_device_ctrl_close, 158202ac6454SAndrew Thompson .enter = uss820dci_device_ctrl_enter, 158302ac6454SAndrew Thompson .start = uss820dci_device_ctrl_start, 158402ac6454SAndrew Thompson .enter_is_cancelable = 1, 158502ac6454SAndrew Thompson .start_is_cancelable = 1, 158602ac6454SAndrew Thompson }; 158702ac6454SAndrew Thompson 158802ac6454SAndrew Thompson /*------------------------------------------------------------------------* 158902ac6454SAndrew Thompson * at91dci interrupt support 159002ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 159102ac6454SAndrew Thompson static void 159202ac6454SAndrew Thompson uss820dci_device_intr_open(struct usb2_xfer *xfer) 159302ac6454SAndrew Thompson { 159402ac6454SAndrew Thompson return; 159502ac6454SAndrew Thompson } 159602ac6454SAndrew Thompson 159702ac6454SAndrew Thompson static void 159802ac6454SAndrew Thompson uss820dci_device_intr_close(struct usb2_xfer *xfer) 159902ac6454SAndrew Thompson { 160002ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_CANCELLED); 160102ac6454SAndrew Thompson } 160202ac6454SAndrew Thompson 160302ac6454SAndrew Thompson static void 160402ac6454SAndrew Thompson uss820dci_device_intr_enter(struct usb2_xfer *xfer) 160502ac6454SAndrew Thompson { 160602ac6454SAndrew Thompson return; 160702ac6454SAndrew Thompson } 160802ac6454SAndrew Thompson 160902ac6454SAndrew Thompson static void 161002ac6454SAndrew Thompson uss820dci_device_intr_start(struct usb2_xfer *xfer) 161102ac6454SAndrew Thompson { 161202ac6454SAndrew Thompson /* setup TDs */ 161302ac6454SAndrew Thompson uss820dci_setup_standard_chain(xfer); 161402ac6454SAndrew Thompson uss820dci_start_standard_chain(xfer); 161502ac6454SAndrew Thompson } 161602ac6454SAndrew Thompson 161702ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_intr_methods = 161802ac6454SAndrew Thompson { 161902ac6454SAndrew Thompson .open = uss820dci_device_intr_open, 162002ac6454SAndrew Thompson .close = uss820dci_device_intr_close, 162102ac6454SAndrew Thompson .enter = uss820dci_device_intr_enter, 162202ac6454SAndrew Thompson .start = uss820dci_device_intr_start, 162302ac6454SAndrew Thompson .enter_is_cancelable = 1, 162402ac6454SAndrew Thompson .start_is_cancelable = 1, 162502ac6454SAndrew Thompson }; 162602ac6454SAndrew Thompson 162702ac6454SAndrew Thompson /*------------------------------------------------------------------------* 162802ac6454SAndrew Thompson * at91dci full speed isochronous support 162902ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 163002ac6454SAndrew Thompson static void 163102ac6454SAndrew Thompson uss820dci_device_isoc_fs_open(struct usb2_xfer *xfer) 163202ac6454SAndrew Thompson { 163302ac6454SAndrew Thompson return; 163402ac6454SAndrew Thompson } 163502ac6454SAndrew Thompson 163602ac6454SAndrew Thompson static void 163702ac6454SAndrew Thompson uss820dci_device_isoc_fs_close(struct usb2_xfer *xfer) 163802ac6454SAndrew Thompson { 163902ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_CANCELLED); 164002ac6454SAndrew Thompson } 164102ac6454SAndrew Thompson 164202ac6454SAndrew Thompson static void 164302ac6454SAndrew Thompson uss820dci_device_isoc_fs_enter(struct usb2_xfer *xfer) 164402ac6454SAndrew Thompson { 164502ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 164602ac6454SAndrew Thompson uint32_t temp; 164702ac6454SAndrew Thompson uint32_t nframes; 164802ac6454SAndrew Thompson 164902ac6454SAndrew Thompson DPRINTFN(6, "xfer=%p next=%d nframes=%d\n", 165002ac6454SAndrew Thompson xfer, xfer->pipe->isoc_next, xfer->nframes); 165102ac6454SAndrew Thompson 165202ac6454SAndrew Thompson /* get the current frame index - we don't need the high bits */ 165302ac6454SAndrew Thompson 165402ac6454SAndrew Thompson nframes = USS820_READ_1(sc, USS820_SOFL); 165502ac6454SAndrew Thompson 165602ac6454SAndrew Thompson /* 165702ac6454SAndrew Thompson * check if the frame index is within the window where the 165802ac6454SAndrew Thompson * frames will be inserted 165902ac6454SAndrew Thompson */ 166002ac6454SAndrew Thompson temp = (nframes - xfer->pipe->isoc_next) & USS820_SOFL_MASK; 166102ac6454SAndrew Thompson 166202ac6454SAndrew Thompson if ((xfer->pipe->is_synced == 0) || 166302ac6454SAndrew Thompson (temp < xfer->nframes)) { 166402ac6454SAndrew Thompson /* 166502ac6454SAndrew Thompson * If there is data underflow or the pipe queue is 166602ac6454SAndrew Thompson * empty we schedule the transfer a few frames ahead 166702ac6454SAndrew Thompson * of the current frame position. Else two isochronous 166802ac6454SAndrew Thompson * transfers might overlap. 166902ac6454SAndrew Thompson */ 167002ac6454SAndrew Thompson xfer->pipe->isoc_next = (nframes + 3) & USS820_SOFL_MASK; 167102ac6454SAndrew Thompson xfer->pipe->is_synced = 1; 167202ac6454SAndrew Thompson DPRINTFN(3, "start next=%d\n", xfer->pipe->isoc_next); 167302ac6454SAndrew Thompson } 167402ac6454SAndrew Thompson /* 167502ac6454SAndrew Thompson * compute how many milliseconds the insertion is ahead of the 167602ac6454SAndrew Thompson * current frame position: 167702ac6454SAndrew Thompson */ 167802ac6454SAndrew Thompson temp = (xfer->pipe->isoc_next - nframes) & USS820_SOFL_MASK; 167902ac6454SAndrew Thompson 168002ac6454SAndrew Thompson /* 168102ac6454SAndrew Thompson * pre-compute when the isochronous transfer will be finished: 168202ac6454SAndrew Thompson */ 168302ac6454SAndrew Thompson xfer->isoc_time_complete = 168402ac6454SAndrew Thompson usb2_isoc_time_expand(&sc->sc_bus, nframes) + temp + 168502ac6454SAndrew Thompson xfer->nframes; 168602ac6454SAndrew Thompson 168702ac6454SAndrew Thompson /* compute frame number for next insertion */ 168802ac6454SAndrew Thompson xfer->pipe->isoc_next += xfer->nframes; 168902ac6454SAndrew Thompson 169002ac6454SAndrew Thompson /* setup TDs */ 169102ac6454SAndrew Thompson uss820dci_setup_standard_chain(xfer); 169202ac6454SAndrew Thompson } 169302ac6454SAndrew Thompson 169402ac6454SAndrew Thompson static void 169502ac6454SAndrew Thompson uss820dci_device_isoc_fs_start(struct usb2_xfer *xfer) 169602ac6454SAndrew Thompson { 169702ac6454SAndrew Thompson /* start TD chain */ 169802ac6454SAndrew Thompson uss820dci_start_standard_chain(xfer); 169902ac6454SAndrew Thompson } 170002ac6454SAndrew Thompson 170102ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_isoc_fs_methods = 170202ac6454SAndrew Thompson { 170302ac6454SAndrew Thompson .open = uss820dci_device_isoc_fs_open, 170402ac6454SAndrew Thompson .close = uss820dci_device_isoc_fs_close, 170502ac6454SAndrew Thompson .enter = uss820dci_device_isoc_fs_enter, 170602ac6454SAndrew Thompson .start = uss820dci_device_isoc_fs_start, 170702ac6454SAndrew Thompson .enter_is_cancelable = 1, 170802ac6454SAndrew Thompson .start_is_cancelable = 1, 170902ac6454SAndrew Thompson }; 171002ac6454SAndrew Thompson 171102ac6454SAndrew Thompson /*------------------------------------------------------------------------* 171202ac6454SAndrew Thompson * at91dci root control support 171302ac6454SAndrew Thompson *------------------------------------------------------------------------* 171439307315SAndrew Thompson * Simulate a hardware HUB by handling all the necessary requests. 171502ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 171602ac6454SAndrew Thompson 171702ac6454SAndrew Thompson static const struct usb2_device_descriptor uss820dci_devd = { 171802ac6454SAndrew Thompson .bLength = sizeof(struct usb2_device_descriptor), 171902ac6454SAndrew Thompson .bDescriptorType = UDESC_DEVICE, 172002ac6454SAndrew Thompson .bcdUSB = {0x00, 0x02}, 172102ac6454SAndrew Thompson .bDeviceClass = UDCLASS_HUB, 172202ac6454SAndrew Thompson .bDeviceSubClass = UDSUBCLASS_HUB, 172302ac6454SAndrew Thompson .bDeviceProtocol = UDPROTO_HSHUBSTT, 172402ac6454SAndrew Thompson .bMaxPacketSize = 64, 172502ac6454SAndrew Thompson .bcdDevice = {0x00, 0x01}, 172602ac6454SAndrew Thompson .iManufacturer = 1, 172702ac6454SAndrew Thompson .iProduct = 2, 172802ac6454SAndrew Thompson .bNumConfigurations = 1, 172902ac6454SAndrew Thompson }; 173002ac6454SAndrew Thompson 173102ac6454SAndrew Thompson static const struct usb2_device_qualifier uss820dci_odevd = { 173202ac6454SAndrew Thompson .bLength = sizeof(struct usb2_device_qualifier), 173302ac6454SAndrew Thompson .bDescriptorType = UDESC_DEVICE_QUALIFIER, 173402ac6454SAndrew Thompson .bcdUSB = {0x00, 0x02}, 173502ac6454SAndrew Thompson .bDeviceClass = UDCLASS_HUB, 173602ac6454SAndrew Thompson .bDeviceSubClass = UDSUBCLASS_HUB, 173702ac6454SAndrew Thompson .bDeviceProtocol = UDPROTO_FSHUB, 173802ac6454SAndrew Thompson .bMaxPacketSize0 = 0, 173902ac6454SAndrew Thompson .bNumConfigurations = 0, 174002ac6454SAndrew Thompson }; 174102ac6454SAndrew Thompson 174202ac6454SAndrew Thompson static const struct uss820dci_config_desc uss820dci_confd = { 174302ac6454SAndrew Thompson .confd = { 174402ac6454SAndrew Thompson .bLength = sizeof(struct usb2_config_descriptor), 174502ac6454SAndrew Thompson .bDescriptorType = UDESC_CONFIG, 174602ac6454SAndrew Thompson .wTotalLength[0] = sizeof(uss820dci_confd), 174702ac6454SAndrew Thompson .bNumInterface = 1, 174802ac6454SAndrew Thompson .bConfigurationValue = 1, 174902ac6454SAndrew Thompson .iConfiguration = 0, 175002ac6454SAndrew Thompson .bmAttributes = UC_SELF_POWERED, 175102ac6454SAndrew Thompson .bMaxPower = 0, 175202ac6454SAndrew Thompson }, 175302ac6454SAndrew Thompson .ifcd = { 175402ac6454SAndrew Thompson .bLength = sizeof(struct usb2_interface_descriptor), 175502ac6454SAndrew Thompson .bDescriptorType = UDESC_INTERFACE, 175602ac6454SAndrew Thompson .bNumEndpoints = 1, 175702ac6454SAndrew Thompson .bInterfaceClass = UICLASS_HUB, 175802ac6454SAndrew Thompson .bInterfaceSubClass = UISUBCLASS_HUB, 175902ac6454SAndrew Thompson .bInterfaceProtocol = UIPROTO_HSHUBSTT, 176002ac6454SAndrew Thompson }, 176102ac6454SAndrew Thompson 176202ac6454SAndrew Thompson .endpd = { 176302ac6454SAndrew Thompson .bLength = sizeof(struct usb2_endpoint_descriptor), 176402ac6454SAndrew Thompson .bDescriptorType = UDESC_ENDPOINT, 176502ac6454SAndrew Thompson .bEndpointAddress = (UE_DIR_IN | USS820_DCI_INTR_ENDPT), 176602ac6454SAndrew Thompson .bmAttributes = UE_INTERRUPT, 176702ac6454SAndrew Thompson .wMaxPacketSize[0] = 8, 176802ac6454SAndrew Thompson .bInterval = 255, 176902ac6454SAndrew Thompson }, 177002ac6454SAndrew Thompson }; 177102ac6454SAndrew Thompson 177202ac6454SAndrew Thompson static const struct usb2_hub_descriptor_min uss820dci_hubd = { 177302ac6454SAndrew Thompson .bDescLength = sizeof(uss820dci_hubd), 177402ac6454SAndrew Thompson .bDescriptorType = UDESC_HUB, 177502ac6454SAndrew Thompson .bNbrPorts = 1, 177602ac6454SAndrew Thompson .wHubCharacteristics[0] = 177702ac6454SAndrew Thompson (UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL) & 0xFF, 177802ac6454SAndrew Thompson .wHubCharacteristics[1] = 177902ac6454SAndrew Thompson (UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL) >> 8, 178002ac6454SAndrew Thompson .bPwrOn2PwrGood = 50, 178102ac6454SAndrew Thompson .bHubContrCurrent = 0, 178202ac6454SAndrew Thompson .DeviceRemovable = {0}, /* port is removable */ 178302ac6454SAndrew Thompson }; 178402ac6454SAndrew Thompson 178502ac6454SAndrew Thompson #define STRING_LANG \ 178602ac6454SAndrew Thompson 0x09, 0x04, /* American English */ 178702ac6454SAndrew Thompson 178802ac6454SAndrew Thompson #define STRING_VENDOR \ 178902ac6454SAndrew Thompson 'A', 0, 'G', 0, 'E', 0, 'R', 0, 'E', 0 179002ac6454SAndrew Thompson 179102ac6454SAndrew Thompson #define STRING_PRODUCT \ 179202ac6454SAndrew Thompson 'D', 0, 'C', 0, 'I', 0, ' ', 0, 'R', 0, \ 179302ac6454SAndrew Thompson 'o', 0, 'o', 0, 't', 0, ' ', 0, 'H', 0, \ 179402ac6454SAndrew Thompson 'U', 0, 'B', 0, 179502ac6454SAndrew Thompson 179602ac6454SAndrew Thompson USB_MAKE_STRING_DESC(STRING_LANG, uss820dci_langtab); 179702ac6454SAndrew Thompson USB_MAKE_STRING_DESC(STRING_VENDOR, uss820dci_vendor); 179802ac6454SAndrew Thompson USB_MAKE_STRING_DESC(STRING_PRODUCT, uss820dci_product); 179902ac6454SAndrew Thompson 180002ac6454SAndrew Thompson static void 180139307315SAndrew Thompson uss820dci_roothub_exec(struct usb2_bus *bus) 180202ac6454SAndrew Thompson { 180339307315SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(bus); 180439307315SAndrew Thompson struct usb2_sw_transfer *std = &sc->sc_bus.roothub_req; 180502ac6454SAndrew Thompson uint16_t value; 180602ac6454SAndrew Thompson uint16_t index; 180702ac6454SAndrew Thompson 180802ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 180902ac6454SAndrew Thompson 181002ac6454SAndrew Thompson /* buffer reset */ 181102ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&sc->sc_hub_temp, 0); 181202ac6454SAndrew Thompson std->len = 0; 181302ac6454SAndrew Thompson 181402ac6454SAndrew Thompson value = UGETW(std->req.wValue); 181502ac6454SAndrew Thompson index = UGETW(std->req.wIndex); 181602ac6454SAndrew Thompson 181702ac6454SAndrew Thompson /* demultiplex the control request */ 181802ac6454SAndrew Thompson 181902ac6454SAndrew Thompson switch (std->req.bmRequestType) { 182002ac6454SAndrew Thompson case UT_READ_DEVICE: 182102ac6454SAndrew Thompson switch (std->req.bRequest) { 182202ac6454SAndrew Thompson case UR_GET_DESCRIPTOR: 182302ac6454SAndrew Thompson goto tr_handle_get_descriptor; 182402ac6454SAndrew Thompson case UR_GET_CONFIG: 182502ac6454SAndrew Thompson goto tr_handle_get_config; 182602ac6454SAndrew Thompson case UR_GET_STATUS: 182702ac6454SAndrew Thompson goto tr_handle_get_status; 182802ac6454SAndrew Thompson default: 182902ac6454SAndrew Thompson goto tr_stalled; 183002ac6454SAndrew Thompson } 183102ac6454SAndrew Thompson break; 183202ac6454SAndrew Thompson 183302ac6454SAndrew Thompson case UT_WRITE_DEVICE: 183402ac6454SAndrew Thompson switch (std->req.bRequest) { 183502ac6454SAndrew Thompson case UR_SET_ADDRESS: 183602ac6454SAndrew Thompson goto tr_handle_set_address; 183702ac6454SAndrew Thompson case UR_SET_CONFIG: 183802ac6454SAndrew Thompson goto tr_handle_set_config; 183902ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 184002ac6454SAndrew Thompson goto tr_valid; /* nop */ 184102ac6454SAndrew Thompson case UR_SET_DESCRIPTOR: 184202ac6454SAndrew Thompson goto tr_valid; /* nop */ 184302ac6454SAndrew Thompson case UR_SET_FEATURE: 184402ac6454SAndrew Thompson default: 184502ac6454SAndrew Thompson goto tr_stalled; 184602ac6454SAndrew Thompson } 184702ac6454SAndrew Thompson break; 184802ac6454SAndrew Thompson 184902ac6454SAndrew Thompson case UT_WRITE_ENDPOINT: 185002ac6454SAndrew Thompson switch (std->req.bRequest) { 185102ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 185202ac6454SAndrew Thompson switch (UGETW(std->req.wValue)) { 185302ac6454SAndrew Thompson case UF_ENDPOINT_HALT: 185402ac6454SAndrew Thompson goto tr_handle_clear_halt; 185502ac6454SAndrew Thompson case UF_DEVICE_REMOTE_WAKEUP: 185602ac6454SAndrew Thompson goto tr_handle_clear_wakeup; 185702ac6454SAndrew Thompson default: 185802ac6454SAndrew Thompson goto tr_stalled; 185902ac6454SAndrew Thompson } 186002ac6454SAndrew Thompson break; 186102ac6454SAndrew Thompson case UR_SET_FEATURE: 186202ac6454SAndrew Thompson switch (UGETW(std->req.wValue)) { 186302ac6454SAndrew Thompson case UF_ENDPOINT_HALT: 186402ac6454SAndrew Thompson goto tr_handle_set_halt; 186502ac6454SAndrew Thompson case UF_DEVICE_REMOTE_WAKEUP: 186602ac6454SAndrew Thompson goto tr_handle_set_wakeup; 186702ac6454SAndrew Thompson default: 186802ac6454SAndrew Thompson goto tr_stalled; 186902ac6454SAndrew Thompson } 187002ac6454SAndrew Thompson break; 187102ac6454SAndrew Thompson case UR_SYNCH_FRAME: 187202ac6454SAndrew Thompson goto tr_valid; /* nop */ 187302ac6454SAndrew Thompson default: 187402ac6454SAndrew Thompson goto tr_stalled; 187502ac6454SAndrew Thompson } 187602ac6454SAndrew Thompson break; 187702ac6454SAndrew Thompson 187802ac6454SAndrew Thompson case UT_READ_ENDPOINT: 187902ac6454SAndrew Thompson switch (std->req.bRequest) { 188002ac6454SAndrew Thompson case UR_GET_STATUS: 188102ac6454SAndrew Thompson goto tr_handle_get_ep_status; 188202ac6454SAndrew Thompson default: 188302ac6454SAndrew Thompson goto tr_stalled; 188402ac6454SAndrew Thompson } 188502ac6454SAndrew Thompson break; 188602ac6454SAndrew Thompson 188702ac6454SAndrew Thompson case UT_WRITE_INTERFACE: 188802ac6454SAndrew Thompson switch (std->req.bRequest) { 188902ac6454SAndrew Thompson case UR_SET_INTERFACE: 189002ac6454SAndrew Thompson goto tr_handle_set_interface; 189102ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 189202ac6454SAndrew Thompson goto tr_valid; /* nop */ 189302ac6454SAndrew Thompson case UR_SET_FEATURE: 189402ac6454SAndrew Thompson default: 189502ac6454SAndrew Thompson goto tr_stalled; 189602ac6454SAndrew Thompson } 189702ac6454SAndrew Thompson break; 189802ac6454SAndrew Thompson 189902ac6454SAndrew Thompson case UT_READ_INTERFACE: 190002ac6454SAndrew Thompson switch (std->req.bRequest) { 190102ac6454SAndrew Thompson case UR_GET_INTERFACE: 190202ac6454SAndrew Thompson goto tr_handle_get_interface; 190302ac6454SAndrew Thompson case UR_GET_STATUS: 190402ac6454SAndrew Thompson goto tr_handle_get_iface_status; 190502ac6454SAndrew Thompson default: 190602ac6454SAndrew Thompson goto tr_stalled; 190702ac6454SAndrew Thompson } 190802ac6454SAndrew Thompson break; 190902ac6454SAndrew Thompson 191002ac6454SAndrew Thompson case UT_WRITE_CLASS_INTERFACE: 191102ac6454SAndrew Thompson case UT_WRITE_VENDOR_INTERFACE: 191202ac6454SAndrew Thompson /* XXX forward */ 191302ac6454SAndrew Thompson break; 191402ac6454SAndrew Thompson 191502ac6454SAndrew Thompson case UT_READ_CLASS_INTERFACE: 191602ac6454SAndrew Thompson case UT_READ_VENDOR_INTERFACE: 191702ac6454SAndrew Thompson /* XXX forward */ 191802ac6454SAndrew Thompson break; 191902ac6454SAndrew Thompson 192002ac6454SAndrew Thompson case UT_WRITE_CLASS_DEVICE: 192102ac6454SAndrew Thompson switch (std->req.bRequest) { 192202ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 192302ac6454SAndrew Thompson goto tr_valid; 192402ac6454SAndrew Thompson case UR_SET_DESCRIPTOR: 192502ac6454SAndrew Thompson case UR_SET_FEATURE: 192602ac6454SAndrew Thompson break; 192702ac6454SAndrew Thompson default: 192802ac6454SAndrew Thompson goto tr_stalled; 192902ac6454SAndrew Thompson } 193002ac6454SAndrew Thompson break; 193102ac6454SAndrew Thompson 193202ac6454SAndrew Thompson case UT_WRITE_CLASS_OTHER: 193302ac6454SAndrew Thompson switch (std->req.bRequest) { 193402ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 193502ac6454SAndrew Thompson goto tr_handle_clear_port_feature; 193602ac6454SAndrew Thompson case UR_SET_FEATURE: 193702ac6454SAndrew Thompson goto tr_handle_set_port_feature; 193802ac6454SAndrew Thompson case UR_CLEAR_TT_BUFFER: 193902ac6454SAndrew Thompson case UR_RESET_TT: 194002ac6454SAndrew Thompson case UR_STOP_TT: 194102ac6454SAndrew Thompson goto tr_valid; 194202ac6454SAndrew Thompson 194302ac6454SAndrew Thompson default: 194402ac6454SAndrew Thompson goto tr_stalled; 194502ac6454SAndrew Thompson } 194602ac6454SAndrew Thompson break; 194702ac6454SAndrew Thompson 194802ac6454SAndrew Thompson case UT_READ_CLASS_OTHER: 194902ac6454SAndrew Thompson switch (std->req.bRequest) { 195002ac6454SAndrew Thompson case UR_GET_TT_STATE: 195102ac6454SAndrew Thompson goto tr_handle_get_tt_state; 195202ac6454SAndrew Thompson case UR_GET_STATUS: 195302ac6454SAndrew Thompson goto tr_handle_get_port_status; 195402ac6454SAndrew Thompson default: 195502ac6454SAndrew Thompson goto tr_stalled; 195602ac6454SAndrew Thompson } 195702ac6454SAndrew Thompson break; 195802ac6454SAndrew Thompson 195902ac6454SAndrew Thompson case UT_READ_CLASS_DEVICE: 196002ac6454SAndrew Thompson switch (std->req.bRequest) { 196102ac6454SAndrew Thompson case UR_GET_DESCRIPTOR: 196202ac6454SAndrew Thompson goto tr_handle_get_class_descriptor; 196302ac6454SAndrew Thompson case UR_GET_STATUS: 196402ac6454SAndrew Thompson goto tr_handle_get_class_status; 196502ac6454SAndrew Thompson 196602ac6454SAndrew Thompson default: 196702ac6454SAndrew Thompson goto tr_stalled; 196802ac6454SAndrew Thompson } 196902ac6454SAndrew Thompson break; 197002ac6454SAndrew Thompson default: 197102ac6454SAndrew Thompson goto tr_stalled; 197202ac6454SAndrew Thompson } 197302ac6454SAndrew Thompson goto tr_valid; 197402ac6454SAndrew Thompson 197502ac6454SAndrew Thompson tr_handle_get_descriptor: 197602ac6454SAndrew Thompson switch (value >> 8) { 197702ac6454SAndrew Thompson case UDESC_DEVICE: 197802ac6454SAndrew Thompson if (value & 0xff) { 197902ac6454SAndrew Thompson goto tr_stalled; 198002ac6454SAndrew Thompson } 198102ac6454SAndrew Thompson std->len = sizeof(uss820dci_devd); 198202ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&uss820dci_devd, 0); 198302ac6454SAndrew Thompson goto tr_valid; 198402ac6454SAndrew Thompson case UDESC_CONFIG: 198502ac6454SAndrew Thompson if (value & 0xff) { 198602ac6454SAndrew Thompson goto tr_stalled; 198702ac6454SAndrew Thompson } 198802ac6454SAndrew Thompson std->len = sizeof(uss820dci_confd); 198902ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&uss820dci_confd, 0); 199002ac6454SAndrew Thompson goto tr_valid; 199102ac6454SAndrew Thompson case UDESC_STRING: 199202ac6454SAndrew Thompson switch (value & 0xff) { 199302ac6454SAndrew Thompson case 0: /* Language table */ 199402ac6454SAndrew Thompson std->len = sizeof(uss820dci_langtab); 199502ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&uss820dci_langtab, 0); 199602ac6454SAndrew Thompson goto tr_valid; 199702ac6454SAndrew Thompson 199802ac6454SAndrew Thompson case 1: /* Vendor */ 199902ac6454SAndrew Thompson std->len = sizeof(uss820dci_vendor); 200002ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&uss820dci_vendor, 0); 200102ac6454SAndrew Thompson goto tr_valid; 200202ac6454SAndrew Thompson 200302ac6454SAndrew Thompson case 2: /* Product */ 200402ac6454SAndrew Thompson std->len = sizeof(uss820dci_product); 200502ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&uss820dci_product, 0); 200602ac6454SAndrew Thompson goto tr_valid; 200702ac6454SAndrew Thompson default: 200802ac6454SAndrew Thompson break; 200902ac6454SAndrew Thompson } 201002ac6454SAndrew Thompson break; 201102ac6454SAndrew Thompson default: 201202ac6454SAndrew Thompson goto tr_stalled; 201302ac6454SAndrew Thompson } 201402ac6454SAndrew Thompson goto tr_stalled; 201502ac6454SAndrew Thompson 201602ac6454SAndrew Thompson tr_handle_get_config: 201702ac6454SAndrew Thompson std->len = 1; 201802ac6454SAndrew Thompson sc->sc_hub_temp.wValue[0] = sc->sc_conf; 201902ac6454SAndrew Thompson goto tr_valid; 202002ac6454SAndrew Thompson 202102ac6454SAndrew Thompson tr_handle_get_status: 202202ac6454SAndrew Thompson std->len = 2; 202302ac6454SAndrew Thompson USETW(sc->sc_hub_temp.wValue, UDS_SELF_POWERED); 202402ac6454SAndrew Thompson goto tr_valid; 202502ac6454SAndrew Thompson 202602ac6454SAndrew Thompson tr_handle_set_address: 202702ac6454SAndrew Thompson if (value & 0xFF00) { 202802ac6454SAndrew Thompson goto tr_stalled; 202902ac6454SAndrew Thompson } 203002ac6454SAndrew Thompson sc->sc_rt_addr = value; 203102ac6454SAndrew Thompson goto tr_valid; 203202ac6454SAndrew Thompson 203302ac6454SAndrew Thompson tr_handle_set_config: 203402ac6454SAndrew Thompson if (value >= 2) { 203502ac6454SAndrew Thompson goto tr_stalled; 203602ac6454SAndrew Thompson } 203702ac6454SAndrew Thompson sc->sc_conf = value; 203802ac6454SAndrew Thompson goto tr_valid; 203902ac6454SAndrew Thompson 204002ac6454SAndrew Thompson tr_handle_get_interface: 204102ac6454SAndrew Thompson std->len = 1; 204202ac6454SAndrew Thompson sc->sc_hub_temp.wValue[0] = 0; 204302ac6454SAndrew Thompson goto tr_valid; 204402ac6454SAndrew Thompson 204502ac6454SAndrew Thompson tr_handle_get_tt_state: 204602ac6454SAndrew Thompson tr_handle_get_class_status: 204702ac6454SAndrew Thompson tr_handle_get_iface_status: 204802ac6454SAndrew Thompson tr_handle_get_ep_status: 204902ac6454SAndrew Thompson std->len = 2; 205002ac6454SAndrew Thompson USETW(sc->sc_hub_temp.wValue, 0); 205102ac6454SAndrew Thompson goto tr_valid; 205202ac6454SAndrew Thompson 205302ac6454SAndrew Thompson tr_handle_set_halt: 205402ac6454SAndrew Thompson tr_handle_set_interface: 205502ac6454SAndrew Thompson tr_handle_set_wakeup: 205602ac6454SAndrew Thompson tr_handle_clear_wakeup: 205702ac6454SAndrew Thompson tr_handle_clear_halt: 205802ac6454SAndrew Thompson goto tr_valid; 205902ac6454SAndrew Thompson 206002ac6454SAndrew Thompson tr_handle_clear_port_feature: 206102ac6454SAndrew Thompson if (index != 1) { 206202ac6454SAndrew Thompson goto tr_stalled; 206302ac6454SAndrew Thompson } 206402ac6454SAndrew Thompson DPRINTFN(9, "UR_CLEAR_PORT_FEATURE on port %d\n", index); 206502ac6454SAndrew Thompson 206602ac6454SAndrew Thompson switch (value) { 206702ac6454SAndrew Thompson case UHF_PORT_SUSPEND: 206802ac6454SAndrew Thompson uss820dci_wakeup_peer(sc); 206902ac6454SAndrew Thompson break; 207002ac6454SAndrew Thompson 207102ac6454SAndrew Thompson case UHF_PORT_ENABLE: 207202ac6454SAndrew Thompson sc->sc_flags.port_enabled = 0; 207302ac6454SAndrew Thompson break; 207402ac6454SAndrew Thompson 207502ac6454SAndrew Thompson case UHF_PORT_TEST: 207602ac6454SAndrew Thompson case UHF_PORT_INDICATOR: 207702ac6454SAndrew Thompson case UHF_C_PORT_ENABLE: 207802ac6454SAndrew Thompson case UHF_C_PORT_OVER_CURRENT: 207902ac6454SAndrew Thompson case UHF_C_PORT_RESET: 208002ac6454SAndrew Thompson /* nops */ 208102ac6454SAndrew Thompson break; 208202ac6454SAndrew Thompson case UHF_PORT_POWER: 208302ac6454SAndrew Thompson sc->sc_flags.port_powered = 0; 208402ac6454SAndrew Thompson uss820dci_pull_down(sc); 208502ac6454SAndrew Thompson break; 208602ac6454SAndrew Thompson case UHF_C_PORT_CONNECTION: 208702ac6454SAndrew Thompson sc->sc_flags.change_connect = 0; 208802ac6454SAndrew Thompson break; 208902ac6454SAndrew Thompson case UHF_C_PORT_SUSPEND: 209002ac6454SAndrew Thompson sc->sc_flags.change_suspend = 0; 209102ac6454SAndrew Thompson break; 209202ac6454SAndrew Thompson default: 209302ac6454SAndrew Thompson std->err = USB_ERR_IOERROR; 209402ac6454SAndrew Thompson goto done; 209502ac6454SAndrew Thompson } 209602ac6454SAndrew Thompson goto tr_valid; 209702ac6454SAndrew Thompson 209802ac6454SAndrew Thompson tr_handle_set_port_feature: 209902ac6454SAndrew Thompson if (index != 1) { 210002ac6454SAndrew Thompson goto tr_stalled; 210102ac6454SAndrew Thompson } 210202ac6454SAndrew Thompson DPRINTFN(9, "UR_SET_PORT_FEATURE\n"); 210302ac6454SAndrew Thompson 210402ac6454SAndrew Thompson switch (value) { 210502ac6454SAndrew Thompson case UHF_PORT_ENABLE: 210602ac6454SAndrew Thompson sc->sc_flags.port_enabled = 1; 210702ac6454SAndrew Thompson break; 210802ac6454SAndrew Thompson case UHF_PORT_SUSPEND: 210902ac6454SAndrew Thompson case UHF_PORT_RESET: 211002ac6454SAndrew Thompson case UHF_PORT_TEST: 211102ac6454SAndrew Thompson case UHF_PORT_INDICATOR: 211202ac6454SAndrew Thompson /* nops */ 211302ac6454SAndrew Thompson break; 211402ac6454SAndrew Thompson case UHF_PORT_POWER: 211502ac6454SAndrew Thompson sc->sc_flags.port_powered = 1; 211602ac6454SAndrew Thompson break; 211702ac6454SAndrew Thompson default: 211802ac6454SAndrew Thompson std->err = USB_ERR_IOERROR; 211902ac6454SAndrew Thompson goto done; 212002ac6454SAndrew Thompson } 212102ac6454SAndrew Thompson goto tr_valid; 212202ac6454SAndrew Thompson 212302ac6454SAndrew Thompson tr_handle_get_port_status: 212402ac6454SAndrew Thompson 212502ac6454SAndrew Thompson DPRINTFN(9, "UR_GET_PORT_STATUS\n"); 212602ac6454SAndrew Thompson 212702ac6454SAndrew Thompson if (index != 1) { 212802ac6454SAndrew Thompson goto tr_stalled; 212902ac6454SAndrew Thompson } 213002ac6454SAndrew Thompson if (sc->sc_flags.status_vbus) { 213102ac6454SAndrew Thompson uss820dci_pull_up(sc); 213202ac6454SAndrew Thompson } else { 213302ac6454SAndrew Thompson uss820dci_pull_down(sc); 213402ac6454SAndrew Thompson } 213502ac6454SAndrew Thompson 213602ac6454SAndrew Thompson /* Select FULL-speed and Device Side Mode */ 213702ac6454SAndrew Thompson 213802ac6454SAndrew Thompson value = UPS_PORT_MODE_DEVICE; 213902ac6454SAndrew Thompson 214002ac6454SAndrew Thompson if (sc->sc_flags.port_powered) { 214102ac6454SAndrew Thompson value |= UPS_PORT_POWER; 214202ac6454SAndrew Thompson } 214302ac6454SAndrew Thompson if (sc->sc_flags.port_enabled) { 214402ac6454SAndrew Thompson value |= UPS_PORT_ENABLED; 214502ac6454SAndrew Thompson } 214602ac6454SAndrew Thompson if (sc->sc_flags.status_vbus && 214702ac6454SAndrew Thompson sc->sc_flags.status_bus_reset) { 214802ac6454SAndrew Thompson value |= UPS_CURRENT_CONNECT_STATUS; 214902ac6454SAndrew Thompson } 215002ac6454SAndrew Thompson if (sc->sc_flags.status_suspend) { 215102ac6454SAndrew Thompson value |= UPS_SUSPEND; 215202ac6454SAndrew Thompson } 215302ac6454SAndrew Thompson USETW(sc->sc_hub_temp.ps.wPortStatus, value); 215402ac6454SAndrew Thompson 215502ac6454SAndrew Thompson value = 0; 215602ac6454SAndrew Thompson 215702ac6454SAndrew Thompson if (sc->sc_flags.change_connect) { 215802ac6454SAndrew Thompson value |= UPS_C_CONNECT_STATUS; 215902ac6454SAndrew Thompson } 216002ac6454SAndrew Thompson if (sc->sc_flags.change_suspend) { 216102ac6454SAndrew Thompson value |= UPS_C_SUSPEND; 216202ac6454SAndrew Thompson } 216302ac6454SAndrew Thompson USETW(sc->sc_hub_temp.ps.wPortChange, value); 216402ac6454SAndrew Thompson std->len = sizeof(sc->sc_hub_temp.ps); 216502ac6454SAndrew Thompson goto tr_valid; 216602ac6454SAndrew Thompson 216702ac6454SAndrew Thompson tr_handle_get_class_descriptor: 216802ac6454SAndrew Thompson if (value & 0xFF) { 216902ac6454SAndrew Thompson goto tr_stalled; 217002ac6454SAndrew Thompson } 217102ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&uss820dci_hubd, 0); 217202ac6454SAndrew Thompson std->len = sizeof(uss820dci_hubd); 217302ac6454SAndrew Thompson goto tr_valid; 217402ac6454SAndrew Thompson 217502ac6454SAndrew Thompson tr_stalled: 217602ac6454SAndrew Thompson std->err = USB_ERR_STALLED; 217702ac6454SAndrew Thompson tr_valid: 217802ac6454SAndrew Thompson done: 217902ac6454SAndrew Thompson return; 218002ac6454SAndrew Thompson } 218102ac6454SAndrew Thompson 218202ac6454SAndrew Thompson static void 218302ac6454SAndrew Thompson uss820dci_xfer_setup(struct usb2_setup_params *parm) 218402ac6454SAndrew Thompson { 218502ac6454SAndrew Thompson const struct usb2_hw_ep_profile *pf; 218602ac6454SAndrew Thompson struct uss820dci_softc *sc; 218702ac6454SAndrew Thompson struct usb2_xfer *xfer; 218802ac6454SAndrew Thompson void *last_obj; 218902ac6454SAndrew Thompson uint32_t ntd; 219002ac6454SAndrew Thompson uint32_t n; 219102ac6454SAndrew Thompson uint8_t ep_no; 219202ac6454SAndrew Thompson 219302ac6454SAndrew Thompson sc = USS820_DCI_BUS2SC(parm->udev->bus); 219402ac6454SAndrew Thompson xfer = parm->curr_xfer; 219502ac6454SAndrew Thompson 219602ac6454SAndrew Thompson /* 219702ac6454SAndrew Thompson * NOTE: This driver does not use any of the parameters that 219802ac6454SAndrew Thompson * are computed from the following values. Just set some 219902ac6454SAndrew Thompson * reasonable dummies: 220002ac6454SAndrew Thompson */ 220102ac6454SAndrew Thompson parm->hc_max_packet_size = 0x500; 220202ac6454SAndrew Thompson parm->hc_max_packet_count = 1; 220302ac6454SAndrew Thompson parm->hc_max_frame_size = 0x500; 220402ac6454SAndrew Thompson 220502ac6454SAndrew Thompson usb2_transfer_setup_sub(parm); 220602ac6454SAndrew Thompson 220702ac6454SAndrew Thompson /* 220802ac6454SAndrew Thompson * compute maximum number of TDs 220902ac6454SAndrew Thompson */ 221002ac6454SAndrew Thompson if (parm->methods == &uss820dci_device_ctrl_methods) { 221102ac6454SAndrew Thompson 221202ac6454SAndrew Thompson ntd = xfer->nframes + 1 /* STATUS */ + 1 /* SYNC */ ; 221302ac6454SAndrew Thompson 221402ac6454SAndrew Thompson } else if (parm->methods == &uss820dci_device_bulk_methods) { 221502ac6454SAndrew Thompson 221602ac6454SAndrew Thompson ntd = xfer->nframes + 1 /* SYNC */ ; 221702ac6454SAndrew Thompson 221802ac6454SAndrew Thompson } else if (parm->methods == &uss820dci_device_intr_methods) { 221902ac6454SAndrew Thompson 222002ac6454SAndrew Thompson ntd = xfer->nframes + 1 /* SYNC */ ; 222102ac6454SAndrew Thompson 222202ac6454SAndrew Thompson } else if (parm->methods == &uss820dci_device_isoc_fs_methods) { 222302ac6454SAndrew Thompson 222402ac6454SAndrew Thompson ntd = xfer->nframes + 1 /* SYNC */ ; 222502ac6454SAndrew Thompson 222602ac6454SAndrew Thompson } else { 222702ac6454SAndrew Thompson 222802ac6454SAndrew Thompson ntd = 0; 222902ac6454SAndrew Thompson } 223002ac6454SAndrew Thompson 223102ac6454SAndrew Thompson /* 223202ac6454SAndrew Thompson * check if "usb2_transfer_setup_sub" set an error 223302ac6454SAndrew Thompson */ 223402ac6454SAndrew Thompson if (parm->err) { 223502ac6454SAndrew Thompson return; 223602ac6454SAndrew Thompson } 223702ac6454SAndrew Thompson /* 223802ac6454SAndrew Thompson * allocate transfer descriptors 223902ac6454SAndrew Thompson */ 224002ac6454SAndrew Thompson last_obj = NULL; 224102ac6454SAndrew Thompson 224202ac6454SAndrew Thompson /* 224302ac6454SAndrew Thompson * get profile stuff 224402ac6454SAndrew Thompson */ 224502ac6454SAndrew Thompson if (ntd) { 224602ac6454SAndrew Thompson 224702ac6454SAndrew Thompson ep_no = xfer->endpoint & UE_ADDR; 224802ac6454SAndrew Thompson uss820dci_get_hw_ep_profile(parm->udev, &pf, ep_no); 224902ac6454SAndrew Thompson 225002ac6454SAndrew Thompson if (pf == NULL) { 225102ac6454SAndrew Thompson /* should not happen */ 225202ac6454SAndrew Thompson parm->err = USB_ERR_INVAL; 225302ac6454SAndrew Thompson return; 225402ac6454SAndrew Thompson } 225502ac6454SAndrew Thompson } else { 225602ac6454SAndrew Thompson ep_no = 0; 225702ac6454SAndrew Thompson pf = NULL; 225802ac6454SAndrew Thompson } 225902ac6454SAndrew Thompson 226002ac6454SAndrew Thompson /* align data */ 226102ac6454SAndrew Thompson parm->size[0] += ((-parm->size[0]) & (USB_HOST_ALIGN - 1)); 226202ac6454SAndrew Thompson 226302ac6454SAndrew Thompson for (n = 0; n != ntd; n++) { 226402ac6454SAndrew Thompson 226502ac6454SAndrew Thompson struct uss820dci_td *td; 226602ac6454SAndrew Thompson 226702ac6454SAndrew Thompson if (parm->buf) { 226802ac6454SAndrew Thompson 226902ac6454SAndrew Thompson td = USB_ADD_BYTES(parm->buf, parm->size[0]); 227002ac6454SAndrew Thompson 227102ac6454SAndrew Thompson /* init TD */ 227202ac6454SAndrew Thompson td->io_tag = sc->sc_io_tag; 227302ac6454SAndrew Thompson td->io_hdl = sc->sc_io_hdl; 227402ac6454SAndrew Thompson td->max_packet_size = xfer->max_packet_size; 227502ac6454SAndrew Thompson td->rx_stat_reg = USS820_GET_REG(sc, USS820_RXSTAT); 227602ac6454SAndrew Thompson td->tx_stat_reg = USS820_GET_REG(sc, USS820_TXSTAT); 227702ac6454SAndrew Thompson td->rx_flag_reg = USS820_GET_REG(sc, USS820_RXFLG); 227802ac6454SAndrew Thompson td->tx_flag_reg = USS820_GET_REG(sc, USS820_TXFLG); 227902ac6454SAndrew Thompson td->rx_fifo_reg = USS820_GET_REG(sc, USS820_RXDAT); 228002ac6454SAndrew Thompson td->tx_fifo_reg = USS820_GET_REG(sc, USS820_TXDAT); 228102ac6454SAndrew Thompson td->rx_count_low_reg = USS820_GET_REG(sc, USS820_RXCNTL); 228202ac6454SAndrew Thompson td->rx_count_high_reg = USS820_GET_REG(sc, USS820_RXCNTH); 228302ac6454SAndrew Thompson td->tx_count_low_reg = USS820_GET_REG(sc, USS820_TXCNTL); 228402ac6454SAndrew Thompson td->tx_count_high_reg = USS820_GET_REG(sc, USS820_TXCNTH); 228502ac6454SAndrew Thompson td->rx_cntl_reg = USS820_GET_REG(sc, USS820_RXCON); 228602ac6454SAndrew Thompson td->tx_cntl_reg = USS820_GET_REG(sc, USS820_TXCON); 228702ac6454SAndrew Thompson td->pend_reg = USS820_GET_REG(sc, USS820_PEND); 228802ac6454SAndrew Thompson td->ep_reg = USS820_GET_REG(sc, USS820_EPINDEX); 228902ac6454SAndrew Thompson td->ep_index = ep_no; 229002ac6454SAndrew Thompson if (pf->support_multi_buffer && 229102ac6454SAndrew Thompson (parm->methods != &uss820dci_device_ctrl_methods)) { 229202ac6454SAndrew Thompson td->support_multi_buffer = 1; 229302ac6454SAndrew Thompson } 229402ac6454SAndrew Thompson td->obj_next = last_obj; 229502ac6454SAndrew Thompson 229602ac6454SAndrew Thompson last_obj = td; 229702ac6454SAndrew Thompson } 229802ac6454SAndrew Thompson parm->size[0] += sizeof(*td); 229902ac6454SAndrew Thompson } 230002ac6454SAndrew Thompson 230102ac6454SAndrew Thompson xfer->td_start[0] = last_obj; 230202ac6454SAndrew Thompson } 230302ac6454SAndrew Thompson 230402ac6454SAndrew Thompson static void 230502ac6454SAndrew Thompson uss820dci_xfer_unsetup(struct usb2_xfer *xfer) 230602ac6454SAndrew Thompson { 230702ac6454SAndrew Thompson return; 230802ac6454SAndrew Thompson } 230902ac6454SAndrew Thompson 231002ac6454SAndrew Thompson static void 231102ac6454SAndrew Thompson uss820dci_pipe_init(struct usb2_device *udev, struct usb2_endpoint_descriptor *edesc, 231202ac6454SAndrew Thompson struct usb2_pipe *pipe) 231302ac6454SAndrew Thompson { 231402ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(udev->bus); 231502ac6454SAndrew Thompson 231602ac6454SAndrew Thompson DPRINTFN(2, "pipe=%p, addr=%d, endpt=%d, mode=%d (%d)\n", 231702ac6454SAndrew Thompson pipe, udev->address, 231802ac6454SAndrew Thompson edesc->bEndpointAddress, udev->flags.usb2_mode, 231902ac6454SAndrew Thompson sc->sc_rt_addr); 232002ac6454SAndrew Thompson 232139307315SAndrew Thompson if (udev->device_index != sc->sc_rt_addr) { 232202ac6454SAndrew Thompson 232302ac6454SAndrew Thompson if (udev->flags.usb2_mode != USB_MODE_DEVICE) { 232402ac6454SAndrew Thompson /* not supported */ 232502ac6454SAndrew Thompson return; 232602ac6454SAndrew Thompson } 232702ac6454SAndrew Thompson if (udev->speed != USB_SPEED_FULL) { 232802ac6454SAndrew Thompson /* not supported */ 232902ac6454SAndrew Thompson return; 233002ac6454SAndrew Thompson } 233102ac6454SAndrew Thompson switch (edesc->bmAttributes & UE_XFERTYPE) { 233202ac6454SAndrew Thompson case UE_CONTROL: 233302ac6454SAndrew Thompson pipe->methods = &uss820dci_device_ctrl_methods; 233402ac6454SAndrew Thompson break; 233502ac6454SAndrew Thompson case UE_INTERRUPT: 233602ac6454SAndrew Thompson pipe->methods = &uss820dci_device_intr_methods; 233702ac6454SAndrew Thompson break; 233802ac6454SAndrew Thompson case UE_ISOCHRONOUS: 233902ac6454SAndrew Thompson pipe->methods = &uss820dci_device_isoc_fs_methods; 234002ac6454SAndrew Thompson break; 234102ac6454SAndrew Thompson case UE_BULK: 234202ac6454SAndrew Thompson pipe->methods = &uss820dci_device_bulk_methods; 234302ac6454SAndrew Thompson break; 234402ac6454SAndrew Thompson default: 234502ac6454SAndrew Thompson /* do nothing */ 234602ac6454SAndrew Thompson break; 234702ac6454SAndrew Thompson } 234802ac6454SAndrew Thompson } 234902ac6454SAndrew Thompson } 235002ac6454SAndrew Thompson 235102ac6454SAndrew Thompson struct usb2_bus_methods uss820dci_bus_methods = 235202ac6454SAndrew Thompson { 235302ac6454SAndrew Thompson .pipe_init = &uss820dci_pipe_init, 235402ac6454SAndrew Thompson .xfer_setup = &uss820dci_xfer_setup, 235502ac6454SAndrew Thompson .xfer_unsetup = &uss820dci_xfer_unsetup, 235602ac6454SAndrew Thompson .get_hw_ep_profile = &uss820dci_get_hw_ep_profile, 235702ac6454SAndrew Thompson .set_stall = &uss820dci_set_stall, 235802ac6454SAndrew Thompson .clear_stall = &uss820dci_clear_stall, 235939307315SAndrew Thompson .roothub_exec = &uss820dci_roothub_exec, 236002ac6454SAndrew Thompson }; 2361