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 * 32fde87526SAndrew 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_transfer.h> 4702ac6454SAndrew Thompson #include <dev/usb/usb_device.h> 4802ac6454SAndrew Thompson #include <dev/usb/usb_hub.h> 4902ac6454SAndrew Thompson #include <dev/usb/usb_util.h> 5002ac6454SAndrew Thompson 5102ac6454SAndrew Thompson #include <dev/usb/usb_controller.h> 5202ac6454SAndrew Thompson #include <dev/usb/usb_bus.h> 5302ac6454SAndrew Thompson #include <dev/usb/controller/uss820dci.h> 5402ac6454SAndrew Thompson 5502ac6454SAndrew Thompson #define USS820_DCI_BUS2SC(bus) \ 5602ac6454SAndrew Thompson ((struct uss820dci_softc *)(((uint8_t *)(bus)) - \ 57578d0effSAndrew Thompson ((uint8_t *)&(((struct uss820dci_softc *)0)->sc_bus)))) 5802ac6454SAndrew Thompson 5902ac6454SAndrew Thompson #define USS820_DCI_PC2SC(pc) \ 60bdc081c6SAndrew Thompson USS820_DCI_BUS2SC(USB_DMATAG_TO_XROOT((pc)->tag_parent)->bus) 6102ac6454SAndrew Thompson 6202ac6454SAndrew Thompson #if USB_DEBUG 6302ac6454SAndrew Thompson static int uss820dcidebug = 0; 6402ac6454SAndrew Thompson 6502ac6454SAndrew Thompson SYSCTL_NODE(_hw_usb2, OID_AUTO, uss820dci, CTLFLAG_RW, 0, "USB uss820dci"); 6602ac6454SAndrew Thompson SYSCTL_INT(_hw_usb2_uss820dci, OID_AUTO, debug, CTLFLAG_RW, 6702ac6454SAndrew Thompson &uss820dcidebug, 0, "uss820dci debug level"); 6802ac6454SAndrew Thompson #endif 6902ac6454SAndrew Thompson 7002ac6454SAndrew Thompson #define USS820_DCI_INTR_ENDPT 1 7102ac6454SAndrew Thompson 7202ac6454SAndrew Thompson /* prototypes */ 7302ac6454SAndrew Thompson 7402ac6454SAndrew Thompson struct usb2_bus_methods uss820dci_bus_methods; 7502ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_bulk_methods; 7602ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_ctrl_methods; 7702ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_intr_methods; 7802ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_isoc_fs_methods; 7902ac6454SAndrew Thompson 8002ac6454SAndrew Thompson static uss820dci_cmd_t uss820dci_setup_rx; 8102ac6454SAndrew Thompson static uss820dci_cmd_t uss820dci_data_rx; 8202ac6454SAndrew Thompson static uss820dci_cmd_t uss820dci_data_tx; 8302ac6454SAndrew Thompson static uss820dci_cmd_t uss820dci_data_tx_sync; 8402ac6454SAndrew Thompson static void uss820dci_device_done(struct usb2_xfer *, usb2_error_t); 8502ac6454SAndrew Thompson static void uss820dci_do_poll(struct usb2_bus *); 8602ac6454SAndrew Thompson static void uss820dci_standard_done(struct usb2_xfer *); 8702ac6454SAndrew Thompson static void uss820dci_intr_set(struct usb2_xfer *, uint8_t); 8802ac6454SAndrew Thompson static void uss820dci_update_shared_1(struct uss820dci_softc *, uint8_t, 8902ac6454SAndrew Thompson uint8_t, uint8_t); 9039307315SAndrew Thompson static void uss820dci_root_intr(struct uss820dci_softc *); 9102ac6454SAndrew Thompson 9202ac6454SAndrew Thompson /* 9302ac6454SAndrew Thompson * Here is a list of what the USS820D chip can support. The main 9402ac6454SAndrew Thompson * limitation is that the sum of the buffer sizes must be less than 9502ac6454SAndrew Thompson * 1120 bytes. 9602ac6454SAndrew Thompson */ 9702ac6454SAndrew Thompson static const struct usb2_hw_ep_profile 9802ac6454SAndrew Thompson uss820dci_ep_profile[] = { 9902ac6454SAndrew Thompson 10002ac6454SAndrew Thompson [0] = { 10102ac6454SAndrew Thompson .max_in_frame_size = 32, 10202ac6454SAndrew Thompson .max_out_frame_size = 32, 10302ac6454SAndrew Thompson .is_simplex = 0, 10402ac6454SAndrew Thompson .support_control = 1, 10502ac6454SAndrew Thompson }, 10602ac6454SAndrew Thompson [1] = { 10702ac6454SAndrew Thompson .max_in_frame_size = 64, 10802ac6454SAndrew Thompson .max_out_frame_size = 64, 10902ac6454SAndrew Thompson .is_simplex = 0, 11002ac6454SAndrew Thompson .support_multi_buffer = 1, 11102ac6454SAndrew Thompson .support_bulk = 1, 11202ac6454SAndrew Thompson .support_interrupt = 1, 11302ac6454SAndrew Thompson .support_in = 1, 11402ac6454SAndrew Thompson .support_out = 1, 11502ac6454SAndrew Thompson }, 11602ac6454SAndrew Thompson [2] = { 11702ac6454SAndrew Thompson .max_in_frame_size = 8, 11802ac6454SAndrew Thompson .max_out_frame_size = 8, 11902ac6454SAndrew Thompson .is_simplex = 0, 12002ac6454SAndrew Thompson .support_multi_buffer = 1, 12102ac6454SAndrew Thompson .support_bulk = 1, 12202ac6454SAndrew Thompson .support_interrupt = 1, 12302ac6454SAndrew Thompson .support_in = 1, 12402ac6454SAndrew Thompson .support_out = 1, 12502ac6454SAndrew Thompson }, 12602ac6454SAndrew Thompson [3] = { 12702ac6454SAndrew Thompson .max_in_frame_size = 256, 12802ac6454SAndrew Thompson .max_out_frame_size = 256, 12902ac6454SAndrew Thompson .is_simplex = 0, 13002ac6454SAndrew Thompson .support_multi_buffer = 1, 13102ac6454SAndrew Thompson .support_isochronous = 1, 13202ac6454SAndrew Thompson .support_in = 1, 13302ac6454SAndrew Thompson .support_out = 1, 13402ac6454SAndrew Thompson }, 13502ac6454SAndrew Thompson }; 13602ac6454SAndrew Thompson 13702ac6454SAndrew Thompson static void 13802ac6454SAndrew Thompson uss820dci_update_shared_1(struct uss820dci_softc *sc, uint8_t reg, 13902ac6454SAndrew Thompson uint8_t keep_mask, uint8_t set_mask) 14002ac6454SAndrew Thompson { 14102ac6454SAndrew Thompson uint8_t temp; 14202ac6454SAndrew Thompson 14302ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_PEND, 1); 14402ac6454SAndrew Thompson temp = USS820_READ_1(sc, reg); 14502ac6454SAndrew Thompson temp &= (keep_mask); 14602ac6454SAndrew Thompson temp |= (set_mask); 14702ac6454SAndrew Thompson USS820_WRITE_1(sc, reg, temp); 14802ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_PEND, 0); 14902ac6454SAndrew Thompson } 15002ac6454SAndrew Thompson 15102ac6454SAndrew Thompson static void 15202ac6454SAndrew Thompson uss820dci_get_hw_ep_profile(struct usb2_device *udev, 15302ac6454SAndrew Thompson const struct usb2_hw_ep_profile **ppf, uint8_t ep_addr) 15402ac6454SAndrew Thompson { 15502ac6454SAndrew Thompson if (ep_addr == 0) { 15602ac6454SAndrew Thompson *ppf = uss820dci_ep_profile + 0; 15702ac6454SAndrew Thompson } else if (ep_addr < 5) { 15802ac6454SAndrew Thompson *ppf = uss820dci_ep_profile + 1; 15902ac6454SAndrew Thompson } else if (ep_addr < 7) { 16002ac6454SAndrew Thompson *ppf = uss820dci_ep_profile + 2; 16102ac6454SAndrew Thompson } else if (ep_addr == 7) { 16202ac6454SAndrew Thompson *ppf = uss820dci_ep_profile + 3; 16302ac6454SAndrew Thompson } else { 16402ac6454SAndrew Thompson *ppf = NULL; 16502ac6454SAndrew Thompson } 16602ac6454SAndrew Thompson } 16702ac6454SAndrew Thompson 16802ac6454SAndrew Thompson static void 16902ac6454SAndrew Thompson uss820dci_pull_up(struct uss820dci_softc *sc) 17002ac6454SAndrew Thompson { 17102ac6454SAndrew Thompson uint8_t temp; 17202ac6454SAndrew Thompson 17302ac6454SAndrew Thompson /* pullup D+, if possible */ 17402ac6454SAndrew Thompson 17502ac6454SAndrew Thompson if (!sc->sc_flags.d_pulled_up && 17602ac6454SAndrew Thompson sc->sc_flags.port_powered) { 17702ac6454SAndrew Thompson sc->sc_flags.d_pulled_up = 1; 17802ac6454SAndrew Thompson 17902ac6454SAndrew Thompson DPRINTF("\n"); 18002ac6454SAndrew Thompson 18102ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_MCSR); 18202ac6454SAndrew Thompson temp |= USS820_MCSR_DPEN; 18302ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_MCSR, temp); 18402ac6454SAndrew Thompson } 18502ac6454SAndrew Thompson } 18602ac6454SAndrew Thompson 18702ac6454SAndrew Thompson static void 18802ac6454SAndrew Thompson uss820dci_pull_down(struct uss820dci_softc *sc) 18902ac6454SAndrew Thompson { 19002ac6454SAndrew Thompson uint8_t temp; 19102ac6454SAndrew Thompson 19202ac6454SAndrew Thompson /* pulldown D+, if possible */ 19302ac6454SAndrew Thompson 19402ac6454SAndrew Thompson if (sc->sc_flags.d_pulled_up) { 19502ac6454SAndrew Thompson sc->sc_flags.d_pulled_up = 0; 19602ac6454SAndrew Thompson 19702ac6454SAndrew Thompson DPRINTF("\n"); 19802ac6454SAndrew Thompson 19902ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_MCSR); 20002ac6454SAndrew Thompson temp &= ~USS820_MCSR_DPEN; 20102ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_MCSR, temp); 20202ac6454SAndrew Thompson } 20302ac6454SAndrew Thompson } 20402ac6454SAndrew Thompson 20502ac6454SAndrew Thompson static void 20602ac6454SAndrew Thompson uss820dci_wakeup_peer(struct uss820dci_softc *sc) 20702ac6454SAndrew Thompson { 20802ac6454SAndrew Thompson if (!(sc->sc_flags.status_suspend)) { 20902ac6454SAndrew Thompson return; 21002ac6454SAndrew Thompson } 21102ac6454SAndrew Thompson DPRINTFN(0, "not supported\n"); 21202ac6454SAndrew Thompson } 21302ac6454SAndrew Thompson 21402ac6454SAndrew Thompson static void 21502ac6454SAndrew Thompson uss820dci_set_address(struct uss820dci_softc *sc, uint8_t addr) 21602ac6454SAndrew Thompson { 21702ac6454SAndrew Thompson DPRINTFN(5, "addr=%d\n", addr); 21802ac6454SAndrew Thompson 21902ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_FADDR, addr); 22002ac6454SAndrew Thompson } 22102ac6454SAndrew Thompson 22202ac6454SAndrew Thompson static uint8_t 22302ac6454SAndrew Thompson uss820dci_setup_rx(struct uss820dci_td *td) 22402ac6454SAndrew Thompson { 22502ac6454SAndrew Thompson struct uss820dci_softc *sc; 22602ac6454SAndrew Thompson struct usb2_device_request req; 22702ac6454SAndrew Thompson uint16_t count; 22802ac6454SAndrew Thompson uint8_t rx_stat; 22902ac6454SAndrew Thompson uint8_t temp; 23002ac6454SAndrew Thompson 23102ac6454SAndrew Thompson /* select the correct endpoint */ 23202ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 23302ac6454SAndrew Thompson td->ep_reg, td->ep_index); 23402ac6454SAndrew Thompson 23502ac6454SAndrew Thompson /* read out FIFO status */ 23602ac6454SAndrew Thompson rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 23702ac6454SAndrew Thompson td->rx_stat_reg); 23802ac6454SAndrew Thompson 23902ac6454SAndrew Thompson /* get pointer to softc */ 24002ac6454SAndrew Thompson sc = USS820_DCI_PC2SC(td->pc); 24102ac6454SAndrew Thompson 24202ac6454SAndrew Thompson DPRINTFN(5, "rx_stat=0x%02x rem=%u\n", rx_stat, td->remainder); 24302ac6454SAndrew Thompson 24402ac6454SAndrew Thompson if (!(rx_stat & USS820_RXSTAT_RXSETUP)) { 24502ac6454SAndrew Thompson goto not_complete; 24602ac6454SAndrew Thompson } 247f3464815SAndrew Thompson /* clear did stall */ 248f3464815SAndrew Thompson td->did_stall = 0; 249f3464815SAndrew Thompson 25002ac6454SAndrew Thompson /* clear stall and all I/O */ 25102ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_EPCON, 25202ac6454SAndrew Thompson 0xFF ^ (USS820_EPCON_TXSTL | 25302ac6454SAndrew Thompson USS820_EPCON_RXSTL | 25402ac6454SAndrew Thompson USS820_EPCON_RXIE | 25502ac6454SAndrew Thompson USS820_EPCON_TXOE), 0); 25602ac6454SAndrew Thompson 25702ac6454SAndrew Thompson /* clear end overwrite flag */ 25802ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_RXSTAT, 25902ac6454SAndrew Thompson 0xFF ^ USS820_RXSTAT_EDOVW, 0); 26002ac6454SAndrew Thompson 26102ac6454SAndrew Thompson /* get the packet byte count */ 26202ac6454SAndrew Thompson count = bus_space_read_1(td->io_tag, td->io_hdl, 26302ac6454SAndrew Thompson td->rx_count_low_reg); 26402ac6454SAndrew Thompson count |= (bus_space_read_1(td->io_tag, td->io_hdl, 26502ac6454SAndrew Thompson td->rx_count_high_reg) << 8); 26602ac6454SAndrew Thompson count &= 0x3FF; 26702ac6454SAndrew Thompson 26802ac6454SAndrew Thompson /* verify data length */ 26902ac6454SAndrew Thompson if (count != td->remainder) { 27002ac6454SAndrew Thompson DPRINTFN(0, "Invalid SETUP packet " 27102ac6454SAndrew Thompson "length, %d bytes\n", count); 272eb846b4eSAndrew Thompson goto setup_not_complete; 27302ac6454SAndrew Thompson } 27402ac6454SAndrew Thompson if (count != sizeof(req)) { 27502ac6454SAndrew Thompson DPRINTFN(0, "Unsupported SETUP packet " 27602ac6454SAndrew Thompson "length, %d bytes\n", count); 277eb846b4eSAndrew Thompson goto setup_not_complete; 27802ac6454SAndrew Thompson } 27902ac6454SAndrew Thompson /* receive data */ 28002ac6454SAndrew Thompson bus_space_read_multi_1(td->io_tag, td->io_hdl, 28102ac6454SAndrew Thompson td->rx_fifo_reg, (void *)&req, sizeof(req)); 28202ac6454SAndrew Thompson 28302ac6454SAndrew Thompson /* read out FIFO status */ 28402ac6454SAndrew Thompson rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 28502ac6454SAndrew Thompson td->rx_stat_reg); 28602ac6454SAndrew Thompson 28702ac6454SAndrew Thompson if (rx_stat & (USS820_RXSTAT_EDOVW | 28802ac6454SAndrew Thompson USS820_RXSTAT_STOVW)) { 28902ac6454SAndrew Thompson DPRINTF("new SETUP packet received\n"); 29002ac6454SAndrew Thompson return (1); /* not complete */ 29102ac6454SAndrew Thompson } 29202ac6454SAndrew Thompson /* clear receive setup bit */ 29302ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_RXSTAT, 29402ac6454SAndrew Thompson 0xFF ^ (USS820_RXSTAT_RXSETUP | 29502ac6454SAndrew Thompson USS820_RXSTAT_EDOVW | 29602ac6454SAndrew Thompson USS820_RXSTAT_STOVW), 0); 29702ac6454SAndrew Thompson 29802ac6454SAndrew Thompson /* set RXFFRC bit */ 29902ac6454SAndrew Thompson temp = bus_space_read_1(td->io_tag, td->io_hdl, 30002ac6454SAndrew Thompson td->rx_cntl_reg); 30102ac6454SAndrew Thompson temp |= USS820_RXCON_RXFFRC; 30202ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 30302ac6454SAndrew Thompson td->rx_cntl_reg, temp); 30402ac6454SAndrew Thompson 30502ac6454SAndrew Thompson /* copy data into real buffer */ 30602ac6454SAndrew Thompson usb2_copy_in(td->pc, 0, &req, sizeof(req)); 30702ac6454SAndrew Thompson 30802ac6454SAndrew Thompson td->offset = sizeof(req); 30902ac6454SAndrew Thompson td->remainder = 0; 31002ac6454SAndrew Thompson 31102ac6454SAndrew Thompson /* sneak peek the set address */ 31202ac6454SAndrew Thompson if ((req.bmRequestType == UT_WRITE_DEVICE) && 31302ac6454SAndrew Thompson (req.bRequest == UR_SET_ADDRESS)) { 31402ac6454SAndrew Thompson sc->sc_dv_addr = req.wValue[0] & 0x7F; 31502ac6454SAndrew Thompson } else { 31602ac6454SAndrew Thompson sc->sc_dv_addr = 0xFF; 31702ac6454SAndrew Thompson } 31802ac6454SAndrew Thompson return (0); /* complete */ 31902ac6454SAndrew Thompson 320eb846b4eSAndrew Thompson setup_not_complete: 321eb846b4eSAndrew Thompson 322eb846b4eSAndrew Thompson /* set RXFFRC bit */ 323eb846b4eSAndrew Thompson temp = bus_space_read_1(td->io_tag, td->io_hdl, 324eb846b4eSAndrew Thompson td->rx_cntl_reg); 325eb846b4eSAndrew Thompson temp |= USS820_RXCON_RXFFRC; 326eb846b4eSAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 327eb846b4eSAndrew Thompson td->rx_cntl_reg, temp); 328eb846b4eSAndrew Thompson 329eb846b4eSAndrew Thompson /* FALLTHROUGH */ 330eb846b4eSAndrew Thompson 33102ac6454SAndrew Thompson not_complete: 332f3464815SAndrew Thompson /* abort any ongoing transfer */ 333f3464815SAndrew Thompson if (!td->did_stall) { 334f3464815SAndrew Thompson DPRINTFN(5, "stalling\n"); 335f3464815SAndrew Thompson /* set stall */ 336f3464815SAndrew Thompson uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, 337f3464815SAndrew Thompson (USS820_EPCON_TXSTL | USS820_EPCON_RXSTL)); 338f3464815SAndrew Thompson 339f3464815SAndrew Thompson td->did_stall = 1; 340f3464815SAndrew Thompson } 341f3464815SAndrew Thompson 34202ac6454SAndrew Thompson /* clear end overwrite flag, if any */ 34302ac6454SAndrew Thompson if (rx_stat & USS820_RXSTAT_RXSETUP) { 34402ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_RXSTAT, 34502ac6454SAndrew Thompson 0xFF ^ (USS820_RXSTAT_EDOVW | 34602ac6454SAndrew Thompson USS820_RXSTAT_STOVW | 34702ac6454SAndrew Thompson USS820_RXSTAT_RXSETUP), 0); 34802ac6454SAndrew Thompson } 34902ac6454SAndrew Thompson return (1); /* not complete */ 35002ac6454SAndrew Thompson 35102ac6454SAndrew Thompson } 35202ac6454SAndrew Thompson 35302ac6454SAndrew Thompson static uint8_t 35402ac6454SAndrew Thompson uss820dci_data_rx(struct uss820dci_td *td) 35502ac6454SAndrew Thompson { 35602ac6454SAndrew Thompson struct usb2_page_search buf_res; 35702ac6454SAndrew Thompson uint16_t count; 35802ac6454SAndrew Thompson uint8_t rx_flag; 35902ac6454SAndrew Thompson uint8_t rx_stat; 36002ac6454SAndrew Thompson uint8_t rx_cntl; 36102ac6454SAndrew Thompson uint8_t to; 36202ac6454SAndrew Thompson uint8_t got_short; 36302ac6454SAndrew Thompson 36402ac6454SAndrew Thompson to = 2; /* don't loop forever! */ 36502ac6454SAndrew Thompson got_short = 0; 36602ac6454SAndrew Thompson 36702ac6454SAndrew Thompson /* select the correct endpoint */ 36802ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, td->ep_reg, td->ep_index); 36902ac6454SAndrew Thompson 37002ac6454SAndrew Thompson /* check if any of the FIFO banks have data */ 37102ac6454SAndrew Thompson repeat: 37202ac6454SAndrew Thompson /* read out FIFO flag */ 37302ac6454SAndrew Thompson rx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 37402ac6454SAndrew Thompson td->rx_flag_reg); 37502ac6454SAndrew Thompson /* read out FIFO status */ 37602ac6454SAndrew Thompson rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 37702ac6454SAndrew Thompson td->rx_stat_reg); 37802ac6454SAndrew Thompson 37902ac6454SAndrew Thompson DPRINTFN(5, "rx_stat=0x%02x rx_flag=0x%02x rem=%u\n", 38002ac6454SAndrew Thompson rx_stat, rx_flag, td->remainder); 38102ac6454SAndrew Thompson 38202ac6454SAndrew Thompson if (rx_stat & (USS820_RXSTAT_RXSETUP | 38302ac6454SAndrew Thompson USS820_RXSTAT_RXSOVW | 38402ac6454SAndrew Thompson USS820_RXSTAT_EDOVW)) { 38502ac6454SAndrew Thompson if (td->remainder == 0) { 38602ac6454SAndrew Thompson /* 38702ac6454SAndrew Thompson * We are actually complete and have 38802ac6454SAndrew Thompson * received the next SETUP 38902ac6454SAndrew Thompson */ 39002ac6454SAndrew Thompson DPRINTFN(5, "faking complete\n"); 39102ac6454SAndrew Thompson return (0); /* complete */ 39202ac6454SAndrew Thompson } 39302ac6454SAndrew Thompson /* 39402ac6454SAndrew Thompson * USB Host Aborted the transfer. 39502ac6454SAndrew Thompson */ 39602ac6454SAndrew Thompson td->error = 1; 39702ac6454SAndrew Thompson return (0); /* complete */ 39802ac6454SAndrew Thompson } 39902ac6454SAndrew Thompson /* check for errors */ 40002ac6454SAndrew Thompson if (rx_flag & (USS820_RXFLG_RXOVF | 40102ac6454SAndrew Thompson USS820_RXFLG_RXURF)) { 40202ac6454SAndrew Thompson DPRINTFN(5, "overflow or underflow\n"); 40302ac6454SAndrew Thompson /* should not happen */ 40402ac6454SAndrew Thompson td->error = 1; 40502ac6454SAndrew Thompson return (0); /* complete */ 40602ac6454SAndrew Thompson } 40702ac6454SAndrew Thompson /* check status */ 40802ac6454SAndrew Thompson if (!(rx_flag & (USS820_RXFLG_RXFIF0 | 40902ac6454SAndrew Thompson USS820_RXFLG_RXFIF1))) { 41002ac6454SAndrew Thompson 41102ac6454SAndrew Thompson /* read out EPCON register */ 41202ac6454SAndrew Thompson /* enable RX input */ 41302ac6454SAndrew Thompson if (!td->did_stall) { 41402ac6454SAndrew Thompson uss820dci_update_shared_1(USS820_DCI_PC2SC(td->pc), 41502ac6454SAndrew Thompson USS820_EPCON, 0xFF, USS820_EPCON_RXIE); 41602ac6454SAndrew Thompson td->did_stall = 1; 41702ac6454SAndrew Thompson } 41802ac6454SAndrew Thompson return (1); /* not complete */ 41902ac6454SAndrew Thompson } 42002ac6454SAndrew Thompson /* get the packet byte count */ 42102ac6454SAndrew Thompson count = bus_space_read_1(td->io_tag, td->io_hdl, 42202ac6454SAndrew Thompson td->rx_count_low_reg); 42302ac6454SAndrew Thompson 42402ac6454SAndrew Thompson count |= (bus_space_read_1(td->io_tag, td->io_hdl, 42502ac6454SAndrew Thompson td->rx_count_high_reg) << 8); 42602ac6454SAndrew Thompson count &= 0x3FF; 42702ac6454SAndrew Thompson 42802ac6454SAndrew Thompson DPRINTFN(5, "count=0x%04x\n", count); 42902ac6454SAndrew Thompson 43002ac6454SAndrew Thompson /* verify the packet byte count */ 43102ac6454SAndrew Thompson if (count != td->max_packet_size) { 43202ac6454SAndrew Thompson if (count < td->max_packet_size) { 43302ac6454SAndrew Thompson /* we have a short packet */ 43402ac6454SAndrew Thompson td->short_pkt = 1; 43502ac6454SAndrew Thompson got_short = 1; 43602ac6454SAndrew Thompson } else { 43702ac6454SAndrew Thompson /* invalid USB packet */ 43802ac6454SAndrew Thompson td->error = 1; 43902ac6454SAndrew Thompson return (0); /* we are complete */ 44002ac6454SAndrew Thompson } 44102ac6454SAndrew Thompson } 44202ac6454SAndrew Thompson /* verify the packet byte count */ 44302ac6454SAndrew Thompson if (count > td->remainder) { 44402ac6454SAndrew Thompson /* invalid USB packet */ 44502ac6454SAndrew Thompson td->error = 1; 44602ac6454SAndrew Thompson return (0); /* we are complete */ 44702ac6454SAndrew Thompson } 44802ac6454SAndrew Thompson while (count > 0) { 44902ac6454SAndrew Thompson usb2_get_page(td->pc, td->offset, &buf_res); 45002ac6454SAndrew Thompson 45102ac6454SAndrew Thompson /* get correct length */ 45202ac6454SAndrew Thompson if (buf_res.length > count) { 45302ac6454SAndrew Thompson buf_res.length = count; 45402ac6454SAndrew Thompson } 45502ac6454SAndrew Thompson /* receive data */ 45602ac6454SAndrew Thompson bus_space_read_multi_1(td->io_tag, td->io_hdl, 45702ac6454SAndrew Thompson td->rx_fifo_reg, buf_res.buffer, buf_res.length); 45802ac6454SAndrew Thompson 45902ac6454SAndrew Thompson /* update counters */ 46002ac6454SAndrew Thompson count -= buf_res.length; 46102ac6454SAndrew Thompson td->offset += buf_res.length; 46202ac6454SAndrew Thompson td->remainder -= buf_res.length; 46302ac6454SAndrew Thompson } 46402ac6454SAndrew Thompson 46502ac6454SAndrew Thompson /* set RXFFRC bit */ 46602ac6454SAndrew Thompson rx_cntl = bus_space_read_1(td->io_tag, td->io_hdl, 46702ac6454SAndrew Thompson td->rx_cntl_reg); 46802ac6454SAndrew Thompson rx_cntl |= USS820_RXCON_RXFFRC; 46902ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 47002ac6454SAndrew Thompson td->rx_cntl_reg, rx_cntl); 47102ac6454SAndrew Thompson 47202ac6454SAndrew Thompson /* check if we are complete */ 47302ac6454SAndrew Thompson if ((td->remainder == 0) || got_short) { 47402ac6454SAndrew Thompson if (td->short_pkt) { 47502ac6454SAndrew Thompson /* we are complete */ 47602ac6454SAndrew Thompson return (0); 47702ac6454SAndrew Thompson } 47802ac6454SAndrew Thompson /* else need to receive a zero length packet */ 47902ac6454SAndrew Thompson } 48002ac6454SAndrew Thompson if (--to) { 48102ac6454SAndrew Thompson goto repeat; 48202ac6454SAndrew Thompson } 48302ac6454SAndrew Thompson return (1); /* not complete */ 48402ac6454SAndrew Thompson } 48502ac6454SAndrew Thompson 48602ac6454SAndrew Thompson static uint8_t 48702ac6454SAndrew Thompson uss820dci_data_tx(struct uss820dci_td *td) 48802ac6454SAndrew Thompson { 48902ac6454SAndrew Thompson struct usb2_page_search buf_res; 49002ac6454SAndrew Thompson uint16_t count; 49102ac6454SAndrew Thompson uint16_t count_copy; 49202ac6454SAndrew Thompson uint8_t rx_stat; 49302ac6454SAndrew Thompson uint8_t tx_flag; 49402ac6454SAndrew Thompson uint8_t to; 49502ac6454SAndrew Thompson 49602ac6454SAndrew Thompson /* select the correct endpoint */ 49702ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 49802ac6454SAndrew Thompson td->ep_reg, td->ep_index); 49902ac6454SAndrew Thompson 50002ac6454SAndrew Thompson to = 2; /* don't loop forever! */ 50102ac6454SAndrew Thompson 50202ac6454SAndrew Thompson repeat: 50302ac6454SAndrew Thompson /* read out TX FIFO flags */ 50402ac6454SAndrew Thompson tx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 50502ac6454SAndrew Thompson td->tx_flag_reg); 50602ac6454SAndrew Thompson 50702ac6454SAndrew Thompson /* read out RX FIFO status last */ 50802ac6454SAndrew Thompson rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 50902ac6454SAndrew Thompson td->rx_stat_reg); 51002ac6454SAndrew Thompson 51102ac6454SAndrew Thompson DPRINTFN(5, "rx_stat=0x%02x tx_flag=0x%02x rem=%u\n", 51202ac6454SAndrew Thompson rx_stat, tx_flag, td->remainder); 51302ac6454SAndrew Thompson 51402ac6454SAndrew Thompson if (rx_stat & (USS820_RXSTAT_RXSETUP | 51502ac6454SAndrew Thompson USS820_RXSTAT_RXSOVW | 51602ac6454SAndrew Thompson USS820_RXSTAT_EDOVW)) { 51702ac6454SAndrew Thompson /* 51802ac6454SAndrew Thompson * The current transfer was aborted 51902ac6454SAndrew Thompson * by the USB Host 52002ac6454SAndrew Thompson */ 52102ac6454SAndrew Thompson td->error = 1; 52202ac6454SAndrew Thompson return (0); /* complete */ 52302ac6454SAndrew Thompson } 52402ac6454SAndrew Thompson if (tx_flag & (USS820_TXFLG_TXOVF | 52502ac6454SAndrew Thompson USS820_TXFLG_TXURF)) { 52602ac6454SAndrew Thompson td->error = 1; 52702ac6454SAndrew Thompson return (0); /* complete */ 52802ac6454SAndrew Thompson } 52902ac6454SAndrew Thompson if (tx_flag & USS820_TXFLG_TXFIF0) { 53002ac6454SAndrew Thompson if (tx_flag & USS820_TXFLG_TXFIF1) { 53102ac6454SAndrew Thompson return (1); /* not complete */ 53202ac6454SAndrew Thompson } 53302ac6454SAndrew Thompson } 53402ac6454SAndrew Thompson if ((!td->support_multi_buffer) && 53502ac6454SAndrew Thompson (tx_flag & (USS820_TXFLG_TXFIF0 | 53602ac6454SAndrew Thompson USS820_TXFLG_TXFIF1))) { 53702ac6454SAndrew Thompson return (1); /* not complete */ 53802ac6454SAndrew Thompson } 53902ac6454SAndrew Thompson count = td->max_packet_size; 54002ac6454SAndrew Thompson if (td->remainder < count) { 54102ac6454SAndrew Thompson /* we have a short packet */ 54202ac6454SAndrew Thompson td->short_pkt = 1; 54302ac6454SAndrew Thompson count = td->remainder; 54402ac6454SAndrew Thompson } 54502ac6454SAndrew Thompson count_copy = count; 54602ac6454SAndrew Thompson while (count > 0) { 54702ac6454SAndrew Thompson 54802ac6454SAndrew Thompson usb2_get_page(td->pc, td->offset, &buf_res); 54902ac6454SAndrew Thompson 55002ac6454SAndrew Thompson /* get correct length */ 55102ac6454SAndrew Thompson if (buf_res.length > count) { 55202ac6454SAndrew Thompson buf_res.length = count; 55302ac6454SAndrew Thompson } 55402ac6454SAndrew Thompson /* transmit data */ 55502ac6454SAndrew Thompson bus_space_write_multi_1(td->io_tag, td->io_hdl, 55602ac6454SAndrew Thompson td->tx_fifo_reg, buf_res.buffer, buf_res.length); 55702ac6454SAndrew Thompson 55802ac6454SAndrew Thompson /* update counters */ 55902ac6454SAndrew Thompson count -= buf_res.length; 56002ac6454SAndrew Thompson td->offset += buf_res.length; 56102ac6454SAndrew Thompson td->remainder -= buf_res.length; 56202ac6454SAndrew Thompson } 56302ac6454SAndrew Thompson 56402ac6454SAndrew Thompson /* post-write high packet byte count first */ 56502ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 56602ac6454SAndrew Thompson td->tx_count_high_reg, count_copy >> 8); 56702ac6454SAndrew Thompson 56802ac6454SAndrew Thompson /* post-write low packet byte count last */ 56902ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 57002ac6454SAndrew Thompson td->tx_count_low_reg, count_copy); 57102ac6454SAndrew Thompson 57202ac6454SAndrew Thompson /* 57302ac6454SAndrew Thompson * Enable TX output, which must happen after that we have written 57402ac6454SAndrew Thompson * data into the FIFO. This is undocumented. 57502ac6454SAndrew Thompson */ 57602ac6454SAndrew Thompson if (!td->did_stall) { 57702ac6454SAndrew Thompson uss820dci_update_shared_1(USS820_DCI_PC2SC(td->pc), 57802ac6454SAndrew Thompson USS820_EPCON, 0xFF, USS820_EPCON_TXOE); 57902ac6454SAndrew Thompson td->did_stall = 1; 58002ac6454SAndrew Thompson } 58102ac6454SAndrew Thompson /* check remainder */ 58202ac6454SAndrew Thompson if (td->remainder == 0) { 58302ac6454SAndrew Thompson if (td->short_pkt) { 58402ac6454SAndrew Thompson return (0); /* complete */ 58502ac6454SAndrew Thompson } 58602ac6454SAndrew Thompson /* else we need to transmit a short packet */ 58702ac6454SAndrew Thompson } 58802ac6454SAndrew Thompson if (--to) { 58902ac6454SAndrew Thompson goto repeat; 59002ac6454SAndrew Thompson } 59102ac6454SAndrew Thompson return (1); /* not complete */ 59202ac6454SAndrew Thompson } 59302ac6454SAndrew Thompson 59402ac6454SAndrew Thompson static uint8_t 59502ac6454SAndrew Thompson uss820dci_data_tx_sync(struct uss820dci_td *td) 59602ac6454SAndrew Thompson { 59702ac6454SAndrew Thompson struct uss820dci_softc *sc; 59802ac6454SAndrew Thompson uint8_t rx_stat; 59902ac6454SAndrew Thompson uint8_t tx_flag; 60002ac6454SAndrew Thompson 60102ac6454SAndrew Thompson /* select the correct endpoint */ 60202ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 60302ac6454SAndrew Thompson td->ep_reg, td->ep_index); 60402ac6454SAndrew Thompson 60502ac6454SAndrew Thompson /* read out TX FIFO flag */ 60602ac6454SAndrew Thompson tx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 60702ac6454SAndrew Thompson td->tx_flag_reg); 60802ac6454SAndrew Thompson 60902ac6454SAndrew Thompson /* read out RX FIFO status last */ 61002ac6454SAndrew Thompson rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 61102ac6454SAndrew Thompson td->rx_stat_reg); 61202ac6454SAndrew Thompson 61302ac6454SAndrew Thompson DPRINTFN(5, "rx_stat=0x%02x rem=%u\n", rx_stat, td->remainder); 61402ac6454SAndrew Thompson 61502ac6454SAndrew Thompson if (rx_stat & (USS820_RXSTAT_RXSETUP | 61602ac6454SAndrew Thompson USS820_RXSTAT_RXSOVW | 61702ac6454SAndrew Thompson USS820_RXSTAT_EDOVW)) { 61802ac6454SAndrew Thompson DPRINTFN(5, "faking complete\n"); 61902ac6454SAndrew Thompson /* Race condition */ 62002ac6454SAndrew Thompson return (0); /* complete */ 62102ac6454SAndrew Thompson } 62202ac6454SAndrew Thompson DPRINTFN(5, "tx_flag=0x%02x rem=%u\n", 62302ac6454SAndrew Thompson tx_flag, td->remainder); 62402ac6454SAndrew Thompson 62502ac6454SAndrew Thompson if (tx_flag & (USS820_TXFLG_TXOVF | 62602ac6454SAndrew Thompson USS820_TXFLG_TXURF)) { 62702ac6454SAndrew Thompson td->error = 1; 62802ac6454SAndrew Thompson return (0); /* complete */ 62902ac6454SAndrew Thompson } 63002ac6454SAndrew Thompson if (tx_flag & (USS820_TXFLG_TXFIF0 | 63102ac6454SAndrew Thompson USS820_TXFLG_TXFIF1)) { 63202ac6454SAndrew Thompson return (1); /* not complete */ 63302ac6454SAndrew Thompson } 63402ac6454SAndrew Thompson sc = USS820_DCI_PC2SC(td->pc); 63502ac6454SAndrew Thompson if (sc->sc_dv_addr != 0xFF) { 63602ac6454SAndrew Thompson /* write function address */ 63702ac6454SAndrew Thompson uss820dci_set_address(sc, sc->sc_dv_addr); 63802ac6454SAndrew Thompson } 63902ac6454SAndrew Thompson return (0); /* complete */ 64002ac6454SAndrew Thompson } 64102ac6454SAndrew Thompson 64202ac6454SAndrew Thompson static uint8_t 64302ac6454SAndrew Thompson uss820dci_xfer_do_fifo(struct usb2_xfer *xfer) 64402ac6454SAndrew Thompson { 64502ac6454SAndrew Thompson struct uss820dci_td *td; 64602ac6454SAndrew Thompson 64702ac6454SAndrew Thompson DPRINTFN(9, "\n"); 64802ac6454SAndrew Thompson 64902ac6454SAndrew Thompson td = xfer->td_transfer_cache; 65002ac6454SAndrew Thompson while (1) { 65102ac6454SAndrew Thompson if ((td->func) (td)) { 65202ac6454SAndrew Thompson /* operation in progress */ 65302ac6454SAndrew Thompson break; 65402ac6454SAndrew Thompson } 65502ac6454SAndrew Thompson if (((void *)td) == xfer->td_transfer_last) { 65602ac6454SAndrew Thompson goto done; 65702ac6454SAndrew Thompson } 65802ac6454SAndrew Thompson if (td->error) { 65902ac6454SAndrew Thompson goto done; 66002ac6454SAndrew Thompson } else if (td->remainder > 0) { 66102ac6454SAndrew Thompson /* 66202ac6454SAndrew Thompson * We had a short transfer. If there is no alternate 66302ac6454SAndrew Thompson * next, stop processing ! 66402ac6454SAndrew Thompson */ 66502ac6454SAndrew Thompson if (!td->alt_next) { 66602ac6454SAndrew Thompson goto done; 66702ac6454SAndrew Thompson } 66802ac6454SAndrew Thompson } 66902ac6454SAndrew Thompson /* 67002ac6454SAndrew Thompson * Fetch the next transfer descriptor. 67102ac6454SAndrew Thompson */ 67202ac6454SAndrew Thompson td = td->obj_next; 67302ac6454SAndrew Thompson xfer->td_transfer_cache = td; 67402ac6454SAndrew Thompson } 67502ac6454SAndrew Thompson return (1); /* not complete */ 67602ac6454SAndrew Thompson 67702ac6454SAndrew Thompson done: 67802ac6454SAndrew Thompson /* compute all actual lengths */ 67902ac6454SAndrew Thompson 68002ac6454SAndrew Thompson uss820dci_standard_done(xfer); 68102ac6454SAndrew Thompson 68202ac6454SAndrew Thompson return (0); /* complete */ 68302ac6454SAndrew Thompson } 68402ac6454SAndrew Thompson 68502ac6454SAndrew Thompson static void 68602ac6454SAndrew Thompson uss820dci_interrupt_poll(struct uss820dci_softc *sc) 68702ac6454SAndrew Thompson { 68802ac6454SAndrew Thompson struct usb2_xfer *xfer; 68902ac6454SAndrew Thompson 69002ac6454SAndrew Thompson repeat: 69102ac6454SAndrew Thompson TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { 69202ac6454SAndrew Thompson if (!uss820dci_xfer_do_fifo(xfer)) { 69302ac6454SAndrew Thompson /* queue has been modified */ 69402ac6454SAndrew Thompson goto repeat; 69502ac6454SAndrew Thompson } 69602ac6454SAndrew Thompson } 69702ac6454SAndrew Thompson } 69802ac6454SAndrew Thompson 69902ac6454SAndrew Thompson static void 70002ac6454SAndrew Thompson uss820dci_wait_suspend(struct uss820dci_softc *sc, uint8_t on) 70102ac6454SAndrew Thompson { 70202ac6454SAndrew Thompson uint8_t scr; 70302ac6454SAndrew Thompson uint8_t scratch; 70402ac6454SAndrew Thompson 70502ac6454SAndrew Thompson scr = USS820_READ_1(sc, USS820_SCR); 70602ac6454SAndrew Thompson scratch = USS820_READ_1(sc, USS820_SCRATCH); 70702ac6454SAndrew Thompson 70802ac6454SAndrew Thompson if (on) { 70902ac6454SAndrew Thompson scr |= USS820_SCR_IE_SUSP; 71002ac6454SAndrew Thompson scratch &= ~USS820_SCRATCH_IE_RESUME; 71102ac6454SAndrew Thompson } else { 71202ac6454SAndrew Thompson scr &= ~USS820_SCR_IE_SUSP; 71302ac6454SAndrew Thompson scratch |= USS820_SCRATCH_IE_RESUME; 71402ac6454SAndrew Thompson } 71502ac6454SAndrew Thompson 71602ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCR, scr); 71702ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCRATCH, scratch); 71802ac6454SAndrew Thompson } 71902ac6454SAndrew Thompson 72002ac6454SAndrew Thompson void 72102ac6454SAndrew Thompson uss820dci_interrupt(struct uss820dci_softc *sc) 72202ac6454SAndrew Thompson { 72302ac6454SAndrew Thompson uint8_t ssr; 72402ac6454SAndrew Thompson uint8_t event; 72502ac6454SAndrew Thompson 72602ac6454SAndrew Thompson USB_BUS_LOCK(&sc->sc_bus); 72702ac6454SAndrew Thompson 72802ac6454SAndrew Thompson ssr = USS820_READ_1(sc, USS820_SSR); 72902ac6454SAndrew Thompson 73002ac6454SAndrew Thompson ssr &= (USS820_SSR_SUSPEND | 73102ac6454SAndrew Thompson USS820_SSR_RESUME | 73202ac6454SAndrew Thompson USS820_SSR_RESET); 73302ac6454SAndrew Thompson 73402ac6454SAndrew Thompson /* acknowledge all interrupts */ 73502ac6454SAndrew Thompson 73602ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_SSR, 0, 0); 73702ac6454SAndrew Thompson 73802ac6454SAndrew Thompson /* check for any bus state change interrupts */ 73902ac6454SAndrew Thompson 74002ac6454SAndrew Thompson if (ssr) { 74102ac6454SAndrew Thompson 74202ac6454SAndrew Thompson event = 0; 74302ac6454SAndrew Thompson 74402ac6454SAndrew Thompson if (ssr & USS820_SSR_RESET) { 74502ac6454SAndrew Thompson sc->sc_flags.status_bus_reset = 1; 74602ac6454SAndrew Thompson sc->sc_flags.status_suspend = 0; 74702ac6454SAndrew Thompson sc->sc_flags.change_suspend = 0; 74802ac6454SAndrew Thompson sc->sc_flags.change_connect = 1; 74902ac6454SAndrew Thompson 75002ac6454SAndrew Thompson /* disable resume interrupt */ 75102ac6454SAndrew Thompson uss820dci_wait_suspend(sc, 1); 75202ac6454SAndrew Thompson 75302ac6454SAndrew Thompson event = 1; 75402ac6454SAndrew Thompson } 75502ac6454SAndrew Thompson /* 75602ac6454SAndrew Thompson * If "RESUME" and "SUSPEND" is set at the same time 75702ac6454SAndrew Thompson * we interpret that like "RESUME". Resume is set when 75802ac6454SAndrew Thompson * there is at least 3 milliseconds of inactivity on 75902ac6454SAndrew Thompson * the USB BUS. 76002ac6454SAndrew Thompson */ 76102ac6454SAndrew Thompson if (ssr & USS820_SSR_RESUME) { 76202ac6454SAndrew Thompson if (sc->sc_flags.status_suspend) { 76302ac6454SAndrew Thompson sc->sc_flags.status_suspend = 0; 76402ac6454SAndrew Thompson sc->sc_flags.change_suspend = 1; 76502ac6454SAndrew Thompson /* disable resume interrupt */ 76602ac6454SAndrew Thompson uss820dci_wait_suspend(sc, 1); 76702ac6454SAndrew Thompson event = 1; 76802ac6454SAndrew Thompson } 76902ac6454SAndrew Thompson } else if (ssr & USS820_SSR_SUSPEND) { 77002ac6454SAndrew Thompson if (!sc->sc_flags.status_suspend) { 77102ac6454SAndrew Thompson sc->sc_flags.status_suspend = 1; 77202ac6454SAndrew Thompson sc->sc_flags.change_suspend = 1; 77302ac6454SAndrew Thompson /* enable resume interrupt */ 77402ac6454SAndrew Thompson uss820dci_wait_suspend(sc, 0); 77502ac6454SAndrew Thompson event = 1; 77602ac6454SAndrew Thompson } 77702ac6454SAndrew Thompson } 77802ac6454SAndrew Thompson if (event) { 77902ac6454SAndrew Thompson 78002ac6454SAndrew Thompson DPRINTF("real bus interrupt 0x%02x\n", ssr); 78102ac6454SAndrew Thompson 78202ac6454SAndrew Thompson /* complete root HUB interrupt endpoint */ 78339307315SAndrew Thompson uss820dci_root_intr(sc); 78402ac6454SAndrew Thompson } 78502ac6454SAndrew Thompson } 78602ac6454SAndrew Thompson /* acknowledge all SBI interrupts */ 78702ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_SBI, 0, 0); 78802ac6454SAndrew Thompson 78902ac6454SAndrew Thompson /* acknowledge all SBI1 interrupts */ 79002ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_SBI1, 0, 0); 79102ac6454SAndrew Thompson 79202ac6454SAndrew Thompson /* poll all active transfers */ 79302ac6454SAndrew Thompson uss820dci_interrupt_poll(sc); 79402ac6454SAndrew Thompson 79502ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 79602ac6454SAndrew Thompson } 79702ac6454SAndrew Thompson 79802ac6454SAndrew Thompson static void 79902ac6454SAndrew Thompson uss820dci_setup_standard_chain_sub(struct uss820_std_temp *temp) 80002ac6454SAndrew Thompson { 80102ac6454SAndrew Thompson struct uss820dci_td *td; 80202ac6454SAndrew Thompson 80302ac6454SAndrew Thompson /* get current Transfer Descriptor */ 80402ac6454SAndrew Thompson td = temp->td_next; 80502ac6454SAndrew Thompson temp->td = td; 80602ac6454SAndrew Thompson 80702ac6454SAndrew Thompson /* prepare for next TD */ 80802ac6454SAndrew Thompson temp->td_next = td->obj_next; 80902ac6454SAndrew Thompson 81002ac6454SAndrew Thompson /* fill out the Transfer Descriptor */ 81102ac6454SAndrew Thompson td->func = temp->func; 81202ac6454SAndrew Thompson td->pc = temp->pc; 81302ac6454SAndrew Thompson td->offset = temp->offset; 81402ac6454SAndrew Thompson td->remainder = temp->len; 81502ac6454SAndrew Thompson td->error = 0; 81602ac6454SAndrew Thompson td->did_stall = 0; 81702ac6454SAndrew Thompson td->short_pkt = temp->short_pkt; 81802ac6454SAndrew Thompson td->alt_next = temp->setup_alt_next; 81902ac6454SAndrew Thompson } 82002ac6454SAndrew Thompson 82102ac6454SAndrew Thompson static void 82202ac6454SAndrew Thompson uss820dci_setup_standard_chain(struct usb2_xfer *xfer) 82302ac6454SAndrew Thompson { 82402ac6454SAndrew Thompson struct uss820_std_temp temp; 82502ac6454SAndrew Thompson struct uss820dci_softc *sc; 82602ac6454SAndrew Thompson struct uss820dci_td *td; 82702ac6454SAndrew Thompson uint32_t x; 82802ac6454SAndrew Thompson uint8_t ep_no; 82902ac6454SAndrew Thompson 83002ac6454SAndrew Thompson DPRINTFN(9, "addr=%d endpt=%d sumlen=%d speed=%d\n", 83102ac6454SAndrew Thompson xfer->address, UE_GET_ADDR(xfer->endpoint), 83202ac6454SAndrew Thompson xfer->sumlen, usb2_get_speed(xfer->xroot->udev)); 83302ac6454SAndrew Thompson 83402ac6454SAndrew Thompson temp.max_frame_size = xfer->max_frame_size; 83502ac6454SAndrew Thompson 83602ac6454SAndrew Thompson td = xfer->td_start[0]; 83702ac6454SAndrew Thompson xfer->td_transfer_first = td; 83802ac6454SAndrew Thompson xfer->td_transfer_cache = td; 83902ac6454SAndrew Thompson 84002ac6454SAndrew Thompson /* setup temp */ 84102ac6454SAndrew Thompson 84202ac6454SAndrew Thompson temp.td = NULL; 84302ac6454SAndrew Thompson temp.td_next = xfer->td_start[0]; 84402ac6454SAndrew Thompson temp.offset = 0; 8450f7d4548SAndrew Thompson temp.setup_alt_next = xfer->flags_int.short_frames_ok; 84602ac6454SAndrew Thompson 84702ac6454SAndrew Thompson sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 84802ac6454SAndrew Thompson ep_no = (xfer->endpoint & UE_ADDR); 84902ac6454SAndrew Thompson 85002ac6454SAndrew Thompson /* check if we should prepend a setup message */ 85102ac6454SAndrew Thompson 85202ac6454SAndrew Thompson if (xfer->flags_int.control_xfr) { 85302ac6454SAndrew Thompson if (xfer->flags_int.control_hdr) { 85402ac6454SAndrew Thompson 85502ac6454SAndrew Thompson temp.func = &uss820dci_setup_rx; 85602ac6454SAndrew Thompson temp.len = xfer->frlengths[0]; 85702ac6454SAndrew Thompson temp.pc = xfer->frbuffers + 0; 85802ac6454SAndrew Thompson temp.short_pkt = temp.len ? 1 : 0; 8590f7d4548SAndrew Thompson /* check for last frame */ 8600f7d4548SAndrew Thompson if (xfer->nframes == 1) { 8610f7d4548SAndrew Thompson /* no STATUS stage yet, SETUP is last */ 8620f7d4548SAndrew Thompson if (xfer->flags_int.control_act) 8630f7d4548SAndrew Thompson temp.setup_alt_next = 0; 8640f7d4548SAndrew Thompson } 86502ac6454SAndrew Thompson 86602ac6454SAndrew Thompson uss820dci_setup_standard_chain_sub(&temp); 86702ac6454SAndrew Thompson } 86802ac6454SAndrew Thompson x = 1; 86902ac6454SAndrew Thompson } else { 87002ac6454SAndrew Thompson x = 0; 87102ac6454SAndrew Thompson } 87202ac6454SAndrew Thompson 87302ac6454SAndrew Thompson if (x != xfer->nframes) { 87402ac6454SAndrew Thompson if (xfer->endpoint & UE_DIR_IN) { 87502ac6454SAndrew Thompson temp.func = &uss820dci_data_tx; 87602ac6454SAndrew Thompson } else { 87702ac6454SAndrew Thompson temp.func = &uss820dci_data_rx; 87802ac6454SAndrew Thompson } 87902ac6454SAndrew Thompson 88002ac6454SAndrew Thompson /* setup "pc" pointer */ 88102ac6454SAndrew Thompson temp.pc = xfer->frbuffers + x; 88202ac6454SAndrew Thompson } 88302ac6454SAndrew Thompson while (x != xfer->nframes) { 88402ac6454SAndrew Thompson 88502ac6454SAndrew Thompson /* DATA0 / DATA1 message */ 88602ac6454SAndrew Thompson 88702ac6454SAndrew Thompson temp.len = xfer->frlengths[x]; 88802ac6454SAndrew Thompson 88902ac6454SAndrew Thompson x++; 89002ac6454SAndrew Thompson 89102ac6454SAndrew Thompson if (x == xfer->nframes) { 8920f7d4548SAndrew Thompson if (xfer->flags_int.control_xfr) { 8930f7d4548SAndrew Thompson if (xfer->flags_int.control_act) { 89402ac6454SAndrew Thompson temp.setup_alt_next = 0; 89502ac6454SAndrew Thompson } 8960f7d4548SAndrew Thompson } else { 8970f7d4548SAndrew Thompson temp.setup_alt_next = 0; 8980f7d4548SAndrew Thompson } 8990f7d4548SAndrew Thompson } 90002ac6454SAndrew Thompson if (temp.len == 0) { 90102ac6454SAndrew Thompson 90202ac6454SAndrew Thompson /* make sure that we send an USB packet */ 90302ac6454SAndrew Thompson 90402ac6454SAndrew Thompson temp.short_pkt = 0; 90502ac6454SAndrew Thompson 90602ac6454SAndrew Thompson } else { 90702ac6454SAndrew Thompson 90802ac6454SAndrew Thompson /* regular data transfer */ 90902ac6454SAndrew Thompson 91002ac6454SAndrew Thompson temp.short_pkt = (xfer->flags.force_short_xfer) ? 0 : 1; 91102ac6454SAndrew Thompson } 91202ac6454SAndrew Thompson 91302ac6454SAndrew Thompson uss820dci_setup_standard_chain_sub(&temp); 91402ac6454SAndrew Thompson 91502ac6454SAndrew Thompson if (xfer->flags_int.isochronous_xfr) { 91602ac6454SAndrew Thompson temp.offset += temp.len; 91702ac6454SAndrew Thompson } else { 91802ac6454SAndrew Thompson /* get next Page Cache pointer */ 91902ac6454SAndrew Thompson temp.pc = xfer->frbuffers + x; 92002ac6454SAndrew Thompson } 92102ac6454SAndrew Thompson } 92202ac6454SAndrew Thompson 9230f7d4548SAndrew Thompson /* check for control transfer */ 9240f7d4548SAndrew Thompson if (xfer->flags_int.control_xfr) { 9250f7d4548SAndrew Thompson uint8_t need_sync; 9260f7d4548SAndrew Thompson 92702ac6454SAndrew Thompson /* always setup a valid "pc" pointer for status and sync */ 92802ac6454SAndrew Thompson temp.pc = xfer->frbuffers + 0; 9290f7d4548SAndrew Thompson temp.len = 0; 9300f7d4548SAndrew Thompson temp.short_pkt = 0; 9310f7d4548SAndrew Thompson temp.setup_alt_next = 0; 93202ac6454SAndrew Thompson 93302ac6454SAndrew Thompson /* check if we should append a status stage */ 9340f7d4548SAndrew Thompson if (!xfer->flags_int.control_act) { 93502ac6454SAndrew Thompson 93602ac6454SAndrew Thompson /* 93702ac6454SAndrew Thompson * Send a DATA1 message and invert the current 93802ac6454SAndrew Thompson * endpoint direction. 93902ac6454SAndrew Thompson */ 94002ac6454SAndrew Thompson if (xfer->endpoint & UE_DIR_IN) { 94102ac6454SAndrew Thompson temp.func = &uss820dci_data_rx; 94202ac6454SAndrew Thompson need_sync = 0; 94302ac6454SAndrew Thompson } else { 94402ac6454SAndrew Thompson temp.func = &uss820dci_data_tx; 94502ac6454SAndrew Thompson need_sync = 1; 94602ac6454SAndrew Thompson } 94702ac6454SAndrew Thompson temp.len = 0; 94802ac6454SAndrew Thompson temp.short_pkt = 0; 94902ac6454SAndrew Thompson 95002ac6454SAndrew Thompson uss820dci_setup_standard_chain_sub(&temp); 95102ac6454SAndrew Thompson if (need_sync) { 95202ac6454SAndrew Thompson /* we need a SYNC point after TX */ 95302ac6454SAndrew Thompson temp.func = &uss820dci_data_tx_sync; 95402ac6454SAndrew Thompson uss820dci_setup_standard_chain_sub(&temp); 95502ac6454SAndrew Thompson } 95602ac6454SAndrew Thompson } 9570f7d4548SAndrew Thompson } 95802ac6454SAndrew Thompson /* must have at least one frame! */ 95902ac6454SAndrew Thompson td = temp.td; 96002ac6454SAndrew Thompson xfer->td_transfer_last = td; 96102ac6454SAndrew Thompson } 96202ac6454SAndrew Thompson 96302ac6454SAndrew Thompson static void 96402ac6454SAndrew Thompson uss820dci_timeout(void *arg) 96502ac6454SAndrew Thompson { 96602ac6454SAndrew Thompson struct usb2_xfer *xfer = arg; 96702ac6454SAndrew Thompson 96802ac6454SAndrew Thompson DPRINTF("xfer=%p\n", xfer); 96902ac6454SAndrew Thompson 97002ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); 97102ac6454SAndrew Thompson 97202ac6454SAndrew Thompson /* transfer is transferred */ 97302ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_TIMEOUT); 97402ac6454SAndrew Thompson } 97502ac6454SAndrew Thompson 97602ac6454SAndrew Thompson static void 97702ac6454SAndrew Thompson uss820dci_intr_set(struct usb2_xfer *xfer, uint8_t set) 97802ac6454SAndrew Thompson { 97902ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 98002ac6454SAndrew Thompson uint8_t ep_no = (xfer->endpoint & UE_ADDR); 98102ac6454SAndrew Thompson uint8_t ep_reg; 98202ac6454SAndrew Thompson uint8_t temp; 98302ac6454SAndrew Thompson 98402ac6454SAndrew Thompson DPRINTFN(15, "endpoint 0x%02x\n", xfer->endpoint); 98502ac6454SAndrew Thompson 98602ac6454SAndrew Thompson if (ep_no > 3) { 98702ac6454SAndrew Thompson ep_reg = USS820_SBIE1; 98802ac6454SAndrew Thompson } else { 98902ac6454SAndrew Thompson ep_reg = USS820_SBIE; 99002ac6454SAndrew Thompson } 99102ac6454SAndrew Thompson 99202ac6454SAndrew Thompson ep_no &= 3; 99302ac6454SAndrew Thompson ep_no = 1 << (2 * ep_no); 99402ac6454SAndrew Thompson 99502ac6454SAndrew Thompson if (xfer->flags_int.control_xfr) { 99602ac6454SAndrew Thompson if (xfer->flags_int.control_hdr) { 99702ac6454SAndrew Thompson ep_no <<= 1; /* RX interrupt only */ 99802ac6454SAndrew Thompson } else { 99902ac6454SAndrew Thompson ep_no |= (ep_no << 1); /* RX and TX interrupt */ 100002ac6454SAndrew Thompson } 100102ac6454SAndrew Thompson } else { 100202ac6454SAndrew Thompson if (!(xfer->endpoint & UE_DIR_IN)) { 100302ac6454SAndrew Thompson ep_no <<= 1; 100402ac6454SAndrew Thompson } 100502ac6454SAndrew Thompson } 100602ac6454SAndrew Thompson temp = USS820_READ_1(sc, ep_reg); 100702ac6454SAndrew Thompson if (set) { 100802ac6454SAndrew Thompson temp |= ep_no; 100902ac6454SAndrew Thompson } else { 101002ac6454SAndrew Thompson temp &= ~ep_no; 101102ac6454SAndrew Thompson } 101202ac6454SAndrew Thompson USS820_WRITE_1(sc, ep_reg, temp); 101302ac6454SAndrew Thompson } 101402ac6454SAndrew Thompson 101502ac6454SAndrew Thompson static void 101602ac6454SAndrew Thompson uss820dci_start_standard_chain(struct usb2_xfer *xfer) 101702ac6454SAndrew Thompson { 101802ac6454SAndrew Thompson DPRINTFN(9, "\n"); 101902ac6454SAndrew Thompson 102002ac6454SAndrew Thompson /* poll one time */ 102102ac6454SAndrew Thompson if (uss820dci_xfer_do_fifo(xfer)) { 102202ac6454SAndrew Thompson 102302ac6454SAndrew Thompson /* 102402ac6454SAndrew Thompson * Only enable the endpoint interrupt when we are 102502ac6454SAndrew Thompson * actually waiting for data, hence we are dealing 102602ac6454SAndrew Thompson * with level triggered interrupts ! 102702ac6454SAndrew Thompson */ 102802ac6454SAndrew Thompson uss820dci_intr_set(xfer, 1); 102902ac6454SAndrew Thompson 103002ac6454SAndrew Thompson /* put transfer on interrupt queue */ 103102ac6454SAndrew Thompson usb2_transfer_enqueue(&xfer->xroot->bus->intr_q, xfer); 103202ac6454SAndrew Thompson 103302ac6454SAndrew Thompson /* start timeout, if any */ 103402ac6454SAndrew Thompson if (xfer->timeout != 0) { 103502ac6454SAndrew Thompson usb2_transfer_timeout_ms(xfer, 103602ac6454SAndrew Thompson &uss820dci_timeout, xfer->timeout); 103702ac6454SAndrew Thompson } 103802ac6454SAndrew Thompson } 103902ac6454SAndrew Thompson } 104002ac6454SAndrew Thompson 104102ac6454SAndrew Thompson static void 104239307315SAndrew Thompson uss820dci_root_intr(struct uss820dci_softc *sc) 104302ac6454SAndrew Thompson { 104402ac6454SAndrew Thompson DPRINTFN(9, "\n"); 104502ac6454SAndrew Thompson 104602ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 104702ac6454SAndrew Thompson 104802ac6454SAndrew Thompson /* set port bit */ 104902ac6454SAndrew Thompson sc->sc_hub_idata[0] = 0x02; /* we only have one port */ 105002ac6454SAndrew Thompson 105139307315SAndrew Thompson uhub_root_intr(&sc->sc_bus, sc->sc_hub_idata, 105239307315SAndrew Thompson sizeof(sc->sc_hub_idata)); 105302ac6454SAndrew Thompson } 105402ac6454SAndrew Thompson 105502ac6454SAndrew Thompson static usb2_error_t 105602ac6454SAndrew Thompson uss820dci_standard_done_sub(struct usb2_xfer *xfer) 105702ac6454SAndrew Thompson { 105802ac6454SAndrew Thompson struct uss820dci_td *td; 105902ac6454SAndrew Thompson uint32_t len; 106002ac6454SAndrew Thompson uint8_t error; 106102ac6454SAndrew Thompson 106202ac6454SAndrew Thompson DPRINTFN(9, "\n"); 106302ac6454SAndrew Thompson 106402ac6454SAndrew Thompson td = xfer->td_transfer_cache; 106502ac6454SAndrew Thompson 106602ac6454SAndrew Thompson do { 106702ac6454SAndrew Thompson len = td->remainder; 106802ac6454SAndrew Thompson 106902ac6454SAndrew Thompson if (xfer->aframes != xfer->nframes) { 107002ac6454SAndrew Thompson /* 107102ac6454SAndrew Thompson * Verify the length and subtract 107202ac6454SAndrew Thompson * the remainder from "frlengths[]": 107302ac6454SAndrew Thompson */ 107402ac6454SAndrew Thompson if (len > xfer->frlengths[xfer->aframes]) { 107502ac6454SAndrew Thompson td->error = 1; 107602ac6454SAndrew Thompson } else { 107702ac6454SAndrew Thompson xfer->frlengths[xfer->aframes] -= len; 107802ac6454SAndrew Thompson } 107902ac6454SAndrew Thompson } 108002ac6454SAndrew Thompson /* Check for transfer error */ 108102ac6454SAndrew Thompson if (td->error) { 108202ac6454SAndrew Thompson /* the transfer is finished */ 108302ac6454SAndrew Thompson error = 1; 108402ac6454SAndrew Thompson td = NULL; 108502ac6454SAndrew Thompson break; 108602ac6454SAndrew Thompson } 108702ac6454SAndrew Thompson /* Check for short transfer */ 108802ac6454SAndrew Thompson if (len > 0) { 108902ac6454SAndrew Thompson if (xfer->flags_int.short_frames_ok) { 109002ac6454SAndrew Thompson /* follow alt next */ 109102ac6454SAndrew Thompson if (td->alt_next) { 109202ac6454SAndrew Thompson td = td->obj_next; 109302ac6454SAndrew Thompson } else { 109402ac6454SAndrew Thompson td = NULL; 109502ac6454SAndrew Thompson } 109602ac6454SAndrew Thompson } else { 109702ac6454SAndrew Thompson /* the transfer is finished */ 109802ac6454SAndrew Thompson td = NULL; 109902ac6454SAndrew Thompson } 110002ac6454SAndrew Thompson error = 0; 110102ac6454SAndrew Thompson break; 110202ac6454SAndrew Thompson } 110302ac6454SAndrew Thompson td = td->obj_next; 110402ac6454SAndrew Thompson 110502ac6454SAndrew Thompson /* this USB frame is complete */ 110602ac6454SAndrew Thompson error = 0; 110702ac6454SAndrew Thompson break; 110802ac6454SAndrew Thompson 110902ac6454SAndrew Thompson } while (0); 111002ac6454SAndrew Thompson 111102ac6454SAndrew Thompson /* update transfer cache */ 111202ac6454SAndrew Thompson 111302ac6454SAndrew Thompson xfer->td_transfer_cache = td; 111402ac6454SAndrew Thompson 111502ac6454SAndrew Thompson return (error ? 111602ac6454SAndrew Thompson USB_ERR_STALLED : USB_ERR_NORMAL_COMPLETION); 111702ac6454SAndrew Thompson } 111802ac6454SAndrew Thompson 111902ac6454SAndrew Thompson static void 112002ac6454SAndrew Thompson uss820dci_standard_done(struct usb2_xfer *xfer) 112102ac6454SAndrew Thompson { 112202ac6454SAndrew Thompson usb2_error_t err = 0; 112302ac6454SAndrew Thompson 112402ac6454SAndrew Thompson DPRINTFN(13, "xfer=%p pipe=%p transfer done\n", 112502ac6454SAndrew Thompson xfer, xfer->pipe); 112602ac6454SAndrew Thompson 112702ac6454SAndrew Thompson /* reset scanner */ 112802ac6454SAndrew Thompson 112902ac6454SAndrew Thompson xfer->td_transfer_cache = xfer->td_transfer_first; 113002ac6454SAndrew Thompson 113102ac6454SAndrew Thompson if (xfer->flags_int.control_xfr) { 113202ac6454SAndrew Thompson 113302ac6454SAndrew Thompson if (xfer->flags_int.control_hdr) { 113402ac6454SAndrew Thompson 113502ac6454SAndrew Thompson err = uss820dci_standard_done_sub(xfer); 113602ac6454SAndrew Thompson } 113702ac6454SAndrew Thompson xfer->aframes = 1; 113802ac6454SAndrew Thompson 113902ac6454SAndrew Thompson if (xfer->td_transfer_cache == NULL) { 114002ac6454SAndrew Thompson goto done; 114102ac6454SAndrew Thompson } 114202ac6454SAndrew Thompson } 114302ac6454SAndrew Thompson while (xfer->aframes != xfer->nframes) { 114402ac6454SAndrew Thompson 114502ac6454SAndrew Thompson err = uss820dci_standard_done_sub(xfer); 114602ac6454SAndrew Thompson xfer->aframes++; 114702ac6454SAndrew Thompson 114802ac6454SAndrew Thompson if (xfer->td_transfer_cache == NULL) { 114902ac6454SAndrew Thompson goto done; 115002ac6454SAndrew Thompson } 115102ac6454SAndrew Thompson } 115202ac6454SAndrew Thompson 115302ac6454SAndrew Thompson if (xfer->flags_int.control_xfr && 115402ac6454SAndrew Thompson !xfer->flags_int.control_act) { 115502ac6454SAndrew Thompson 115602ac6454SAndrew Thompson err = uss820dci_standard_done_sub(xfer); 115702ac6454SAndrew Thompson } 115802ac6454SAndrew Thompson done: 115902ac6454SAndrew Thompson uss820dci_device_done(xfer, err); 116002ac6454SAndrew Thompson } 116102ac6454SAndrew Thompson 116202ac6454SAndrew Thompson /*------------------------------------------------------------------------* 116302ac6454SAndrew Thompson * uss820dci_device_done 116402ac6454SAndrew Thompson * 116502ac6454SAndrew Thompson * NOTE: this function can be called more than one time on the 116602ac6454SAndrew Thompson * same USB transfer! 116702ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 116802ac6454SAndrew Thompson static void 116902ac6454SAndrew Thompson uss820dci_device_done(struct usb2_xfer *xfer, usb2_error_t error) 117002ac6454SAndrew Thompson { 117102ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); 117202ac6454SAndrew Thompson 117302ac6454SAndrew Thompson DPRINTFN(2, "xfer=%p, pipe=%p, error=%d\n", 117402ac6454SAndrew Thompson xfer, xfer->pipe, error); 117502ac6454SAndrew Thompson 117602ac6454SAndrew Thompson if (xfer->flags_int.usb2_mode == USB_MODE_DEVICE) { 117702ac6454SAndrew Thompson uss820dci_intr_set(xfer, 0); 117802ac6454SAndrew Thompson } 117902ac6454SAndrew Thompson /* dequeue transfer and start next transfer */ 118002ac6454SAndrew Thompson usb2_transfer_done(xfer, error); 118102ac6454SAndrew Thompson } 118202ac6454SAndrew Thompson 118302ac6454SAndrew Thompson static void 118402ac6454SAndrew Thompson uss820dci_set_stall(struct usb2_device *udev, struct usb2_xfer *xfer, 118502ac6454SAndrew Thompson struct usb2_pipe *pipe) 118602ac6454SAndrew Thompson { 118702ac6454SAndrew Thompson struct uss820dci_softc *sc; 118802ac6454SAndrew Thompson uint8_t ep_no; 118902ac6454SAndrew Thompson uint8_t ep_type; 119002ac6454SAndrew Thompson uint8_t ep_dir; 119102ac6454SAndrew Thompson uint8_t temp; 119202ac6454SAndrew Thompson 119302ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(udev->bus, MA_OWNED); 119402ac6454SAndrew Thompson 119502ac6454SAndrew Thompson DPRINTFN(5, "pipe=%p\n", pipe); 119602ac6454SAndrew Thompson 119702ac6454SAndrew Thompson if (xfer) { 119802ac6454SAndrew Thompson /* cancel any ongoing transfers */ 119902ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_STALLED); 120002ac6454SAndrew Thompson } 120102ac6454SAndrew Thompson /* set FORCESTALL */ 120202ac6454SAndrew Thompson sc = USS820_DCI_BUS2SC(udev->bus); 120302ac6454SAndrew Thompson ep_no = (pipe->edesc->bEndpointAddress & UE_ADDR); 120402ac6454SAndrew Thompson ep_dir = (pipe->edesc->bEndpointAddress & (UE_DIR_IN | UE_DIR_OUT)); 120502ac6454SAndrew Thompson ep_type = (pipe->edesc->bmAttributes & UE_XFERTYPE); 120602ac6454SAndrew Thompson 120702ac6454SAndrew Thompson if (ep_type == UE_CONTROL) { 120802ac6454SAndrew Thompson /* should not happen */ 120902ac6454SAndrew Thompson return; 121002ac6454SAndrew Thompson } 121102ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_EPINDEX, ep_no); 121202ac6454SAndrew Thompson 121302ac6454SAndrew Thompson if (ep_dir == UE_DIR_IN) { 121402ac6454SAndrew Thompson temp = USS820_EPCON_TXSTL; 121502ac6454SAndrew Thompson } else { 121602ac6454SAndrew Thompson temp = USS820_EPCON_RXSTL; 121702ac6454SAndrew Thompson } 121802ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, temp); 121902ac6454SAndrew Thompson } 122002ac6454SAndrew Thompson 122102ac6454SAndrew Thompson static void 122202ac6454SAndrew Thompson uss820dci_clear_stall_sub(struct uss820dci_softc *sc, 122302ac6454SAndrew Thompson uint8_t ep_no, uint8_t ep_type, uint8_t ep_dir) 122402ac6454SAndrew Thompson { 122502ac6454SAndrew Thompson uint8_t temp; 122602ac6454SAndrew Thompson 122702ac6454SAndrew Thompson if (ep_type == UE_CONTROL) { 122802ac6454SAndrew Thompson /* clearing stall is not needed */ 122902ac6454SAndrew Thompson return; 123002ac6454SAndrew Thompson } 123102ac6454SAndrew Thompson /* select endpoint index */ 123202ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_EPINDEX, ep_no); 123302ac6454SAndrew Thompson 123402ac6454SAndrew Thompson /* clear stall and disable I/O transfers */ 123502ac6454SAndrew Thompson if (ep_dir == UE_DIR_IN) { 123602ac6454SAndrew Thompson temp = 0xFF ^ (USS820_EPCON_TXOE | 123702ac6454SAndrew Thompson USS820_EPCON_TXSTL); 123802ac6454SAndrew Thompson } else { 123902ac6454SAndrew Thompson temp = 0xFF ^ (USS820_EPCON_RXIE | 124002ac6454SAndrew Thompson USS820_EPCON_RXSTL); 124102ac6454SAndrew Thompson } 124202ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_EPCON, temp, 0); 124302ac6454SAndrew Thompson 124402ac6454SAndrew Thompson if (ep_dir == UE_DIR_IN) { 124502ac6454SAndrew Thompson /* reset data toggle */ 124602ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_TXSTAT, 124702ac6454SAndrew Thompson USS820_TXSTAT_TXSOVW); 124802ac6454SAndrew Thompson 124902ac6454SAndrew Thompson /* reset FIFO */ 125002ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_TXCON); 125102ac6454SAndrew Thompson temp |= USS820_TXCON_TXCLR; 125202ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_TXCON, temp); 125302ac6454SAndrew Thompson temp &= ~USS820_TXCON_TXCLR; 125402ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_TXCON, temp); 125502ac6454SAndrew Thompson } else { 125602ac6454SAndrew Thompson 125702ac6454SAndrew Thompson /* reset data toggle */ 125802ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_RXSTAT, 125902ac6454SAndrew Thompson 0, USS820_RXSTAT_RXSOVW); 126002ac6454SAndrew Thompson 126102ac6454SAndrew Thompson /* reset FIFO */ 126202ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_RXCON); 126302ac6454SAndrew Thompson temp |= USS820_RXCON_RXCLR; 126402ac6454SAndrew Thompson temp &= ~USS820_RXCON_RXFFRC; 126502ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_RXCON, temp); 126602ac6454SAndrew Thompson temp &= ~USS820_RXCON_RXCLR; 126702ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_RXCON, temp); 126802ac6454SAndrew Thompson } 126902ac6454SAndrew Thompson } 127002ac6454SAndrew Thompson 127102ac6454SAndrew Thompson static void 127202ac6454SAndrew Thompson uss820dci_clear_stall(struct usb2_device *udev, struct usb2_pipe *pipe) 127302ac6454SAndrew Thompson { 127402ac6454SAndrew Thompson struct uss820dci_softc *sc; 127502ac6454SAndrew Thompson struct usb2_endpoint_descriptor *ed; 127602ac6454SAndrew Thompson 127702ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(udev->bus, MA_OWNED); 127802ac6454SAndrew Thompson 127902ac6454SAndrew Thompson DPRINTFN(5, "pipe=%p\n", pipe); 128002ac6454SAndrew Thompson 128102ac6454SAndrew Thompson /* check mode */ 128202ac6454SAndrew Thompson if (udev->flags.usb2_mode != USB_MODE_DEVICE) { 128302ac6454SAndrew Thompson /* not supported */ 128402ac6454SAndrew Thompson return; 128502ac6454SAndrew Thompson } 128602ac6454SAndrew Thompson /* get softc */ 128702ac6454SAndrew Thompson sc = USS820_DCI_BUS2SC(udev->bus); 128802ac6454SAndrew Thompson 128902ac6454SAndrew Thompson /* get endpoint descriptor */ 129002ac6454SAndrew Thompson ed = pipe->edesc; 129102ac6454SAndrew Thompson 129202ac6454SAndrew Thompson /* reset endpoint */ 129302ac6454SAndrew Thompson uss820dci_clear_stall_sub(sc, 129402ac6454SAndrew Thompson (ed->bEndpointAddress & UE_ADDR), 129502ac6454SAndrew Thompson (ed->bmAttributes & UE_XFERTYPE), 129602ac6454SAndrew Thompson (ed->bEndpointAddress & (UE_DIR_IN | UE_DIR_OUT))); 129702ac6454SAndrew Thompson } 129802ac6454SAndrew Thompson 129902ac6454SAndrew Thompson usb2_error_t 130002ac6454SAndrew Thompson uss820dci_init(struct uss820dci_softc *sc) 130102ac6454SAndrew Thompson { 130202ac6454SAndrew Thompson const struct usb2_hw_ep_profile *pf; 130302ac6454SAndrew Thompson uint8_t n; 130402ac6454SAndrew Thompson uint8_t temp; 130502ac6454SAndrew Thompson 130602ac6454SAndrew Thompson DPRINTF("start\n"); 130702ac6454SAndrew Thompson 130802ac6454SAndrew Thompson /* set up the bus structure */ 130902ac6454SAndrew Thompson sc->sc_bus.usbrev = USB_REV_1_1; 131002ac6454SAndrew Thompson sc->sc_bus.methods = &uss820dci_bus_methods; 131102ac6454SAndrew Thompson 131202ac6454SAndrew Thompson USB_BUS_LOCK(&sc->sc_bus); 131302ac6454SAndrew Thompson 131402ac6454SAndrew Thompson /* we always have VBUS */ 131502ac6454SAndrew Thompson sc->sc_flags.status_vbus = 1; 131602ac6454SAndrew Thompson 131702ac6454SAndrew Thompson /* reset the chip */ 131802ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCR, USS820_SCR_SRESET); 131902ac6454SAndrew Thompson DELAY(100); 132002ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCR, 0); 132102ac6454SAndrew Thompson 132202ac6454SAndrew Thompson /* wait for reset to complete */ 132302ac6454SAndrew Thompson for (n = 0;; n++) { 132402ac6454SAndrew Thompson 132502ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_MCSR); 132602ac6454SAndrew Thompson 132702ac6454SAndrew Thompson if (temp & USS820_MCSR_INIT) { 132802ac6454SAndrew Thompson break; 132902ac6454SAndrew Thompson } 133002ac6454SAndrew Thompson if (n == 100) { 133102ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 133202ac6454SAndrew Thompson return (USB_ERR_INVAL); 133302ac6454SAndrew Thompson } 133402ac6454SAndrew Thompson /* wait a little for things to stabilise */ 133502ac6454SAndrew Thompson DELAY(100); 133602ac6454SAndrew Thompson } 133702ac6454SAndrew Thompson 133802ac6454SAndrew Thompson /* do a pulldown */ 133902ac6454SAndrew Thompson uss820dci_pull_down(sc); 134002ac6454SAndrew Thompson 134102ac6454SAndrew Thompson /* wait 10ms for pulldown to stabilise */ 134202ac6454SAndrew Thompson usb2_pause_mtx(&sc->sc_bus.bus_mtx, hz / 100); 134302ac6454SAndrew Thompson 134402ac6454SAndrew Thompson /* check hardware revision */ 134502ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_REV); 134602ac6454SAndrew Thompson 134702ac6454SAndrew Thompson if (temp < 0x13) { 134802ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 134902ac6454SAndrew Thompson return (USB_ERR_INVAL); 135002ac6454SAndrew Thompson } 135102ac6454SAndrew Thompson /* enable interrupts */ 135202ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCR, 135302ac6454SAndrew Thompson USS820_SCR_T_IRQ | 135402ac6454SAndrew Thompson USS820_SCR_IE_RESET | 135502ac6454SAndrew Thompson /* USS820_SCR_RWUPE | */ 135602ac6454SAndrew Thompson USS820_SCR_IE_SUSP | 135702ac6454SAndrew Thompson USS820_SCR_IRQPOL); 135802ac6454SAndrew Thompson 135902ac6454SAndrew Thompson /* enable interrupts */ 136002ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCRATCH, 136102ac6454SAndrew Thompson USS820_SCRATCH_IE_RESUME); 136202ac6454SAndrew Thompson 136302ac6454SAndrew Thompson /* enable features */ 136402ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_MCSR, 136502ac6454SAndrew Thompson USS820_MCSR_BDFEAT | 136602ac6454SAndrew Thompson USS820_MCSR_FEAT); 136702ac6454SAndrew Thompson 136802ac6454SAndrew Thompson sc->sc_flags.mcsr_feat = 1; 136902ac6454SAndrew Thompson 137002ac6454SAndrew Thompson /* disable interrupts */ 137102ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SBIE, 0); 137202ac6454SAndrew Thompson 137302ac6454SAndrew Thompson /* disable interrupts */ 137402ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SBIE1, 0); 137502ac6454SAndrew Thompson 137602ac6454SAndrew Thompson /* disable all endpoints */ 137702ac6454SAndrew Thompson for (n = 0; n != USS820_EP_MAX; n++) { 137802ac6454SAndrew Thompson 137902ac6454SAndrew Thompson /* select endpoint */ 138002ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_EPINDEX, n); 138102ac6454SAndrew Thompson 138202ac6454SAndrew Thompson /* disable endpoint */ 138302ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_EPCON, 0, 0); 138402ac6454SAndrew Thompson } 138502ac6454SAndrew Thompson 138602ac6454SAndrew Thompson /* 138702ac6454SAndrew Thompson * Initialise default values for some registers that cannot be 138802ac6454SAndrew Thompson * changed during operation! 138902ac6454SAndrew Thompson */ 139002ac6454SAndrew Thompson for (n = 0; n != USS820_EP_MAX; n++) { 139102ac6454SAndrew Thompson 139202ac6454SAndrew Thompson uss820dci_get_hw_ep_profile(NULL, &pf, n); 139302ac6454SAndrew Thompson 139402ac6454SAndrew Thompson /* the maximum frame sizes should be the same */ 139502ac6454SAndrew Thompson if (pf->max_in_frame_size != pf->max_out_frame_size) { 139602ac6454SAndrew Thompson DPRINTF("Max frame size mismatch %u != %u\n", 139702ac6454SAndrew Thompson pf->max_in_frame_size, pf->max_out_frame_size); 139802ac6454SAndrew Thompson } 139902ac6454SAndrew Thompson if (pf->support_isochronous) { 140002ac6454SAndrew Thompson if (pf->max_in_frame_size <= 64) { 140102ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_16_64 | 140202ac6454SAndrew Thompson USS820_TXCON_TXISO | 140302ac6454SAndrew Thompson USS820_TXCON_ATM); 140402ac6454SAndrew Thompson } else if (pf->max_in_frame_size <= 256) { 140502ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_64_256 | 140602ac6454SAndrew Thompson USS820_TXCON_TXISO | 140702ac6454SAndrew Thompson USS820_TXCON_ATM); 140802ac6454SAndrew Thompson } else if (pf->max_in_frame_size <= 512) { 140902ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_8_512 | 141002ac6454SAndrew Thompson USS820_TXCON_TXISO | 141102ac6454SAndrew Thompson USS820_TXCON_ATM); 141202ac6454SAndrew Thompson } else { /* 1024 bytes */ 141302ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_32_1024 | 141402ac6454SAndrew Thompson USS820_TXCON_TXISO | 141502ac6454SAndrew Thompson USS820_TXCON_ATM); 141602ac6454SAndrew Thompson } 141702ac6454SAndrew Thompson } else { 141802ac6454SAndrew Thompson if ((pf->max_in_frame_size <= 8) && 141902ac6454SAndrew Thompson (sc->sc_flags.mcsr_feat)) { 142002ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_8_512 | 142102ac6454SAndrew Thompson USS820_TXCON_ATM); 142202ac6454SAndrew Thompson } else if (pf->max_in_frame_size <= 16) { 142302ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_16_64 | 142402ac6454SAndrew Thompson USS820_TXCON_ATM); 142502ac6454SAndrew Thompson } else if ((pf->max_in_frame_size <= 32) && 142602ac6454SAndrew Thompson (sc->sc_flags.mcsr_feat)) { 142702ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_32_1024 | 142802ac6454SAndrew Thompson USS820_TXCON_ATM); 142902ac6454SAndrew Thompson } else { /* 64 bytes */ 143002ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_64_256 | 143102ac6454SAndrew Thompson USS820_TXCON_ATM); 143202ac6454SAndrew Thompson } 143302ac6454SAndrew Thompson } 143402ac6454SAndrew Thompson 143502ac6454SAndrew Thompson /* need to configure the chip early */ 143602ac6454SAndrew Thompson 143702ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_EPINDEX, n); 143802ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_TXCON, temp); 143902ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_RXCON, temp); 144002ac6454SAndrew Thompson 144102ac6454SAndrew Thompson if (pf->support_control) { 144202ac6454SAndrew Thompson temp = USS820_EPCON_CTLEP | 144302ac6454SAndrew Thompson USS820_EPCON_RXSPM | 144402ac6454SAndrew Thompson USS820_EPCON_RXIE | 144502ac6454SAndrew Thompson USS820_EPCON_RXEPEN | 144602ac6454SAndrew Thompson USS820_EPCON_TXOE | 144702ac6454SAndrew Thompson USS820_EPCON_TXEPEN; 144802ac6454SAndrew Thompson } else { 144902ac6454SAndrew Thompson temp = USS820_EPCON_RXEPEN | USS820_EPCON_TXEPEN; 145002ac6454SAndrew Thompson } 145102ac6454SAndrew Thompson 145202ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, temp); 145302ac6454SAndrew Thompson } 145402ac6454SAndrew Thompson 145502ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 145602ac6454SAndrew Thompson 145702ac6454SAndrew Thompson /* catch any lost interrupts */ 145802ac6454SAndrew Thompson 145902ac6454SAndrew Thompson uss820dci_do_poll(&sc->sc_bus); 146002ac6454SAndrew Thompson 146102ac6454SAndrew Thompson return (0); /* success */ 146202ac6454SAndrew Thompson } 146302ac6454SAndrew Thompson 146402ac6454SAndrew Thompson void 146502ac6454SAndrew Thompson uss820dci_uninit(struct uss820dci_softc *sc) 146602ac6454SAndrew Thompson { 146702ac6454SAndrew Thompson uint8_t temp; 146802ac6454SAndrew Thompson 146902ac6454SAndrew Thompson USB_BUS_LOCK(&sc->sc_bus); 147002ac6454SAndrew Thompson 147102ac6454SAndrew Thompson /* disable all interrupts */ 147202ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_SCR); 147302ac6454SAndrew Thompson temp &= ~USS820_SCR_T_IRQ; 147402ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCR, temp); 147502ac6454SAndrew Thompson 147602ac6454SAndrew Thompson sc->sc_flags.port_powered = 0; 147702ac6454SAndrew Thompson sc->sc_flags.status_vbus = 0; 147802ac6454SAndrew Thompson sc->sc_flags.status_bus_reset = 0; 147902ac6454SAndrew Thompson sc->sc_flags.status_suspend = 0; 148002ac6454SAndrew Thompson sc->sc_flags.change_suspend = 0; 148102ac6454SAndrew Thompson sc->sc_flags.change_connect = 1; 148202ac6454SAndrew Thompson 148302ac6454SAndrew Thompson uss820dci_pull_down(sc); 148402ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 148502ac6454SAndrew Thompson } 148602ac6454SAndrew Thompson 148702ac6454SAndrew Thompson void 148802ac6454SAndrew Thompson uss820dci_suspend(struct uss820dci_softc *sc) 148902ac6454SAndrew Thompson { 149002ac6454SAndrew Thompson return; 149102ac6454SAndrew Thompson } 149202ac6454SAndrew Thompson 149302ac6454SAndrew Thompson void 149402ac6454SAndrew Thompson uss820dci_resume(struct uss820dci_softc *sc) 149502ac6454SAndrew Thompson { 149602ac6454SAndrew Thompson return; 149702ac6454SAndrew Thompson } 149802ac6454SAndrew Thompson 149902ac6454SAndrew Thompson static void 150002ac6454SAndrew Thompson uss820dci_do_poll(struct usb2_bus *bus) 150102ac6454SAndrew Thompson { 150202ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(bus); 150302ac6454SAndrew Thompson 150402ac6454SAndrew Thompson USB_BUS_LOCK(&sc->sc_bus); 150502ac6454SAndrew Thompson uss820dci_interrupt_poll(sc); 150602ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 150702ac6454SAndrew Thompson } 150802ac6454SAndrew Thompson 150902ac6454SAndrew Thompson /*------------------------------------------------------------------------* 151002ac6454SAndrew Thompson * at91dci bulk support 151102ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 151202ac6454SAndrew Thompson static void 151302ac6454SAndrew Thompson uss820dci_device_bulk_open(struct usb2_xfer *xfer) 151402ac6454SAndrew Thompson { 151502ac6454SAndrew Thompson return; 151602ac6454SAndrew Thompson } 151702ac6454SAndrew Thompson 151802ac6454SAndrew Thompson static void 151902ac6454SAndrew Thompson uss820dci_device_bulk_close(struct usb2_xfer *xfer) 152002ac6454SAndrew Thompson { 152102ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_CANCELLED); 152202ac6454SAndrew Thompson } 152302ac6454SAndrew Thompson 152402ac6454SAndrew Thompson static void 152502ac6454SAndrew Thompson uss820dci_device_bulk_enter(struct usb2_xfer *xfer) 152602ac6454SAndrew Thompson { 152702ac6454SAndrew Thompson return; 152802ac6454SAndrew Thompson } 152902ac6454SAndrew Thompson 153002ac6454SAndrew Thompson static void 153102ac6454SAndrew Thompson uss820dci_device_bulk_start(struct usb2_xfer *xfer) 153202ac6454SAndrew Thompson { 153302ac6454SAndrew Thompson /* setup TDs */ 153402ac6454SAndrew Thompson uss820dci_setup_standard_chain(xfer); 153502ac6454SAndrew Thompson uss820dci_start_standard_chain(xfer); 153602ac6454SAndrew Thompson } 153702ac6454SAndrew Thompson 153802ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_bulk_methods = 153902ac6454SAndrew Thompson { 154002ac6454SAndrew Thompson .open = uss820dci_device_bulk_open, 154102ac6454SAndrew Thompson .close = uss820dci_device_bulk_close, 154202ac6454SAndrew Thompson .enter = uss820dci_device_bulk_enter, 154302ac6454SAndrew Thompson .start = uss820dci_device_bulk_start, 154402ac6454SAndrew Thompson }; 154502ac6454SAndrew Thompson 154602ac6454SAndrew Thompson /*------------------------------------------------------------------------* 154702ac6454SAndrew Thompson * at91dci control support 154802ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 154902ac6454SAndrew Thompson static void 155002ac6454SAndrew Thompson uss820dci_device_ctrl_open(struct usb2_xfer *xfer) 155102ac6454SAndrew Thompson { 155202ac6454SAndrew Thompson return; 155302ac6454SAndrew Thompson } 155402ac6454SAndrew Thompson 155502ac6454SAndrew Thompson static void 155602ac6454SAndrew Thompson uss820dci_device_ctrl_close(struct usb2_xfer *xfer) 155702ac6454SAndrew Thompson { 155802ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_CANCELLED); 155902ac6454SAndrew Thompson } 156002ac6454SAndrew Thompson 156102ac6454SAndrew Thompson static void 156202ac6454SAndrew Thompson uss820dci_device_ctrl_enter(struct usb2_xfer *xfer) 156302ac6454SAndrew Thompson { 156402ac6454SAndrew Thompson return; 156502ac6454SAndrew Thompson } 156602ac6454SAndrew Thompson 156702ac6454SAndrew Thompson static void 156802ac6454SAndrew Thompson uss820dci_device_ctrl_start(struct usb2_xfer *xfer) 156902ac6454SAndrew Thompson { 157002ac6454SAndrew Thompson /* setup TDs */ 157102ac6454SAndrew Thompson uss820dci_setup_standard_chain(xfer); 157202ac6454SAndrew Thompson uss820dci_start_standard_chain(xfer); 157302ac6454SAndrew Thompson } 157402ac6454SAndrew Thompson 157502ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_ctrl_methods = 157602ac6454SAndrew Thompson { 157702ac6454SAndrew Thompson .open = uss820dci_device_ctrl_open, 157802ac6454SAndrew Thompson .close = uss820dci_device_ctrl_close, 157902ac6454SAndrew Thompson .enter = uss820dci_device_ctrl_enter, 158002ac6454SAndrew Thompson .start = uss820dci_device_ctrl_start, 158102ac6454SAndrew Thompson }; 158202ac6454SAndrew Thompson 158302ac6454SAndrew Thompson /*------------------------------------------------------------------------* 158402ac6454SAndrew Thompson * at91dci interrupt support 158502ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 158602ac6454SAndrew Thompson static void 158702ac6454SAndrew Thompson uss820dci_device_intr_open(struct usb2_xfer *xfer) 158802ac6454SAndrew Thompson { 158902ac6454SAndrew Thompson return; 159002ac6454SAndrew Thompson } 159102ac6454SAndrew Thompson 159202ac6454SAndrew Thompson static void 159302ac6454SAndrew Thompson uss820dci_device_intr_close(struct usb2_xfer *xfer) 159402ac6454SAndrew Thompson { 159502ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_CANCELLED); 159602ac6454SAndrew Thompson } 159702ac6454SAndrew Thompson 159802ac6454SAndrew Thompson static void 159902ac6454SAndrew Thompson uss820dci_device_intr_enter(struct usb2_xfer *xfer) 160002ac6454SAndrew Thompson { 160102ac6454SAndrew Thompson return; 160202ac6454SAndrew Thompson } 160302ac6454SAndrew Thompson 160402ac6454SAndrew Thompson static void 160502ac6454SAndrew Thompson uss820dci_device_intr_start(struct usb2_xfer *xfer) 160602ac6454SAndrew Thompson { 160702ac6454SAndrew Thompson /* setup TDs */ 160802ac6454SAndrew Thompson uss820dci_setup_standard_chain(xfer); 160902ac6454SAndrew Thompson uss820dci_start_standard_chain(xfer); 161002ac6454SAndrew Thompson } 161102ac6454SAndrew Thompson 161202ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_intr_methods = 161302ac6454SAndrew Thompson { 161402ac6454SAndrew Thompson .open = uss820dci_device_intr_open, 161502ac6454SAndrew Thompson .close = uss820dci_device_intr_close, 161602ac6454SAndrew Thompson .enter = uss820dci_device_intr_enter, 161702ac6454SAndrew Thompson .start = uss820dci_device_intr_start, 161802ac6454SAndrew Thompson }; 161902ac6454SAndrew Thompson 162002ac6454SAndrew Thompson /*------------------------------------------------------------------------* 162102ac6454SAndrew Thompson * at91dci full speed isochronous support 162202ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 162302ac6454SAndrew Thompson static void 162402ac6454SAndrew Thompson uss820dci_device_isoc_fs_open(struct usb2_xfer *xfer) 162502ac6454SAndrew Thompson { 162602ac6454SAndrew Thompson return; 162702ac6454SAndrew Thompson } 162802ac6454SAndrew Thompson 162902ac6454SAndrew Thompson static void 163002ac6454SAndrew Thompson uss820dci_device_isoc_fs_close(struct usb2_xfer *xfer) 163102ac6454SAndrew Thompson { 163202ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_CANCELLED); 163302ac6454SAndrew Thompson } 163402ac6454SAndrew Thompson 163502ac6454SAndrew Thompson static void 163602ac6454SAndrew Thompson uss820dci_device_isoc_fs_enter(struct usb2_xfer *xfer) 163702ac6454SAndrew Thompson { 163802ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 163902ac6454SAndrew Thompson uint32_t temp; 164002ac6454SAndrew Thompson uint32_t nframes; 164102ac6454SAndrew Thompson 164202ac6454SAndrew Thompson DPRINTFN(6, "xfer=%p next=%d nframes=%d\n", 164302ac6454SAndrew Thompson xfer, xfer->pipe->isoc_next, xfer->nframes); 164402ac6454SAndrew Thompson 164502ac6454SAndrew Thompson /* get the current frame index - we don't need the high bits */ 164602ac6454SAndrew Thompson 164702ac6454SAndrew Thompson nframes = USS820_READ_1(sc, USS820_SOFL); 164802ac6454SAndrew Thompson 164902ac6454SAndrew Thompson /* 165002ac6454SAndrew Thompson * check if the frame index is within the window where the 165102ac6454SAndrew Thompson * frames will be inserted 165202ac6454SAndrew Thompson */ 165302ac6454SAndrew Thompson temp = (nframes - xfer->pipe->isoc_next) & USS820_SOFL_MASK; 165402ac6454SAndrew Thompson 165502ac6454SAndrew Thompson if ((xfer->pipe->is_synced == 0) || 165602ac6454SAndrew Thompson (temp < xfer->nframes)) { 165702ac6454SAndrew Thompson /* 165802ac6454SAndrew Thompson * If there is data underflow or the pipe queue is 165902ac6454SAndrew Thompson * empty we schedule the transfer a few frames ahead 166002ac6454SAndrew Thompson * of the current frame position. Else two isochronous 166102ac6454SAndrew Thompson * transfers might overlap. 166202ac6454SAndrew Thompson */ 166302ac6454SAndrew Thompson xfer->pipe->isoc_next = (nframes + 3) & USS820_SOFL_MASK; 166402ac6454SAndrew Thompson xfer->pipe->is_synced = 1; 166502ac6454SAndrew Thompson DPRINTFN(3, "start next=%d\n", xfer->pipe->isoc_next); 166602ac6454SAndrew Thompson } 166702ac6454SAndrew Thompson /* 166802ac6454SAndrew Thompson * compute how many milliseconds the insertion is ahead of the 166902ac6454SAndrew Thompson * current frame position: 167002ac6454SAndrew Thompson */ 167102ac6454SAndrew Thompson temp = (xfer->pipe->isoc_next - nframes) & USS820_SOFL_MASK; 167202ac6454SAndrew Thompson 167302ac6454SAndrew Thompson /* 167402ac6454SAndrew Thompson * pre-compute when the isochronous transfer will be finished: 167502ac6454SAndrew Thompson */ 167602ac6454SAndrew Thompson xfer->isoc_time_complete = 167702ac6454SAndrew Thompson usb2_isoc_time_expand(&sc->sc_bus, nframes) + temp + 167802ac6454SAndrew Thompson xfer->nframes; 167902ac6454SAndrew Thompson 168002ac6454SAndrew Thompson /* compute frame number for next insertion */ 168102ac6454SAndrew Thompson xfer->pipe->isoc_next += xfer->nframes; 168202ac6454SAndrew Thompson 168302ac6454SAndrew Thompson /* setup TDs */ 168402ac6454SAndrew Thompson uss820dci_setup_standard_chain(xfer); 168502ac6454SAndrew Thompson } 168602ac6454SAndrew Thompson 168702ac6454SAndrew Thompson static void 168802ac6454SAndrew Thompson uss820dci_device_isoc_fs_start(struct usb2_xfer *xfer) 168902ac6454SAndrew Thompson { 169002ac6454SAndrew Thompson /* start TD chain */ 169102ac6454SAndrew Thompson uss820dci_start_standard_chain(xfer); 169202ac6454SAndrew Thompson } 169302ac6454SAndrew Thompson 169402ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_isoc_fs_methods = 169502ac6454SAndrew Thompson { 169602ac6454SAndrew Thompson .open = uss820dci_device_isoc_fs_open, 169702ac6454SAndrew Thompson .close = uss820dci_device_isoc_fs_close, 169802ac6454SAndrew Thompson .enter = uss820dci_device_isoc_fs_enter, 169902ac6454SAndrew Thompson .start = uss820dci_device_isoc_fs_start, 170002ac6454SAndrew Thompson }; 170102ac6454SAndrew Thompson 170202ac6454SAndrew Thompson /*------------------------------------------------------------------------* 170302ac6454SAndrew Thompson * at91dci root control support 170402ac6454SAndrew Thompson *------------------------------------------------------------------------* 170539307315SAndrew Thompson * Simulate a hardware HUB by handling all the necessary requests. 170602ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 170702ac6454SAndrew Thompson 170802ac6454SAndrew Thompson static const struct usb2_device_descriptor uss820dci_devd = { 170902ac6454SAndrew Thompson .bLength = sizeof(struct usb2_device_descriptor), 171002ac6454SAndrew Thompson .bDescriptorType = UDESC_DEVICE, 171102ac6454SAndrew Thompson .bcdUSB = {0x00, 0x02}, 171202ac6454SAndrew Thompson .bDeviceClass = UDCLASS_HUB, 171302ac6454SAndrew Thompson .bDeviceSubClass = UDSUBCLASS_HUB, 171402ac6454SAndrew Thompson .bDeviceProtocol = UDPROTO_HSHUBSTT, 171502ac6454SAndrew Thompson .bMaxPacketSize = 64, 171602ac6454SAndrew Thompson .bcdDevice = {0x00, 0x01}, 171702ac6454SAndrew Thompson .iManufacturer = 1, 171802ac6454SAndrew Thompson .iProduct = 2, 171902ac6454SAndrew Thompson .bNumConfigurations = 1, 172002ac6454SAndrew Thompson }; 172102ac6454SAndrew Thompson 172202ac6454SAndrew Thompson static const struct usb2_device_qualifier uss820dci_odevd = { 172302ac6454SAndrew Thompson .bLength = sizeof(struct usb2_device_qualifier), 172402ac6454SAndrew Thompson .bDescriptorType = UDESC_DEVICE_QUALIFIER, 172502ac6454SAndrew Thompson .bcdUSB = {0x00, 0x02}, 172602ac6454SAndrew Thompson .bDeviceClass = UDCLASS_HUB, 172702ac6454SAndrew Thompson .bDeviceSubClass = UDSUBCLASS_HUB, 172802ac6454SAndrew Thompson .bDeviceProtocol = UDPROTO_FSHUB, 172902ac6454SAndrew Thompson .bMaxPacketSize0 = 0, 173002ac6454SAndrew Thompson .bNumConfigurations = 0, 173102ac6454SAndrew Thompson }; 173202ac6454SAndrew Thompson 173302ac6454SAndrew Thompson static const struct uss820dci_config_desc uss820dci_confd = { 173402ac6454SAndrew Thompson .confd = { 173502ac6454SAndrew Thompson .bLength = sizeof(struct usb2_config_descriptor), 173602ac6454SAndrew Thompson .bDescriptorType = UDESC_CONFIG, 173702ac6454SAndrew Thompson .wTotalLength[0] = sizeof(uss820dci_confd), 173802ac6454SAndrew Thompson .bNumInterface = 1, 173902ac6454SAndrew Thompson .bConfigurationValue = 1, 174002ac6454SAndrew Thompson .iConfiguration = 0, 174102ac6454SAndrew Thompson .bmAttributes = UC_SELF_POWERED, 174202ac6454SAndrew Thompson .bMaxPower = 0, 174302ac6454SAndrew Thompson }, 174402ac6454SAndrew Thompson .ifcd = { 174502ac6454SAndrew Thompson .bLength = sizeof(struct usb2_interface_descriptor), 174602ac6454SAndrew Thompson .bDescriptorType = UDESC_INTERFACE, 174702ac6454SAndrew Thompson .bNumEndpoints = 1, 174802ac6454SAndrew Thompson .bInterfaceClass = UICLASS_HUB, 174902ac6454SAndrew Thompson .bInterfaceSubClass = UISUBCLASS_HUB, 175002ac6454SAndrew Thompson .bInterfaceProtocol = UIPROTO_HSHUBSTT, 175102ac6454SAndrew Thompson }, 175202ac6454SAndrew Thompson 175302ac6454SAndrew Thompson .endpd = { 175402ac6454SAndrew Thompson .bLength = sizeof(struct usb2_endpoint_descriptor), 175502ac6454SAndrew Thompson .bDescriptorType = UDESC_ENDPOINT, 175602ac6454SAndrew Thompson .bEndpointAddress = (UE_DIR_IN | USS820_DCI_INTR_ENDPT), 175702ac6454SAndrew Thompson .bmAttributes = UE_INTERRUPT, 175802ac6454SAndrew Thompson .wMaxPacketSize[0] = 8, 175902ac6454SAndrew Thompson .bInterval = 255, 176002ac6454SAndrew Thompson }, 176102ac6454SAndrew Thompson }; 176202ac6454SAndrew Thompson 176302ac6454SAndrew Thompson static const struct usb2_hub_descriptor_min uss820dci_hubd = { 176402ac6454SAndrew Thompson .bDescLength = sizeof(uss820dci_hubd), 176502ac6454SAndrew Thompson .bDescriptorType = UDESC_HUB, 176602ac6454SAndrew Thompson .bNbrPorts = 1, 176702ac6454SAndrew Thompson .wHubCharacteristics[0] = 176802ac6454SAndrew Thompson (UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL) & 0xFF, 176902ac6454SAndrew Thompson .wHubCharacteristics[1] = 177002ac6454SAndrew Thompson (UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL) >> 8, 177102ac6454SAndrew Thompson .bPwrOn2PwrGood = 50, 177202ac6454SAndrew Thompson .bHubContrCurrent = 0, 177302ac6454SAndrew Thompson .DeviceRemovable = {0}, /* port is removable */ 177402ac6454SAndrew Thompson }; 177502ac6454SAndrew Thompson 177602ac6454SAndrew Thompson #define STRING_LANG \ 177702ac6454SAndrew Thompson 0x09, 0x04, /* American English */ 177802ac6454SAndrew Thompson 177902ac6454SAndrew Thompson #define STRING_VENDOR \ 178002ac6454SAndrew Thompson 'A', 0, 'G', 0, 'E', 0, 'R', 0, 'E', 0 178102ac6454SAndrew Thompson 178202ac6454SAndrew Thompson #define STRING_PRODUCT \ 178302ac6454SAndrew Thompson 'D', 0, 'C', 0, 'I', 0, ' ', 0, 'R', 0, \ 178402ac6454SAndrew Thompson 'o', 0, 'o', 0, 't', 0, ' ', 0, 'H', 0, \ 178502ac6454SAndrew Thompson 'U', 0, 'B', 0, 178602ac6454SAndrew Thompson 178702ac6454SAndrew Thompson USB_MAKE_STRING_DESC(STRING_LANG, uss820dci_langtab); 178802ac6454SAndrew Thompson USB_MAKE_STRING_DESC(STRING_VENDOR, uss820dci_vendor); 178902ac6454SAndrew Thompson USB_MAKE_STRING_DESC(STRING_PRODUCT, uss820dci_product); 179002ac6454SAndrew Thompson 1791459d369eSAndrew Thompson static usb2_error_t 1792459d369eSAndrew Thompson uss820dci_roothub_exec(struct usb2_device *udev, 1793459d369eSAndrew Thompson struct usb2_device_request *req, const void **pptr, uint16_t *plength) 179402ac6454SAndrew Thompson { 1795459d369eSAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(udev->bus); 1796459d369eSAndrew Thompson const void *ptr; 1797459d369eSAndrew Thompson uint16_t len; 179802ac6454SAndrew Thompson uint16_t value; 179902ac6454SAndrew Thompson uint16_t index; 1800459d369eSAndrew Thompson usb2_error_t err; 180102ac6454SAndrew Thompson 180202ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 180302ac6454SAndrew Thompson 180402ac6454SAndrew Thompson /* buffer reset */ 1805459d369eSAndrew Thompson ptr = (const void *)&sc->sc_hub_temp; 1806459d369eSAndrew Thompson len = 0; 1807459d369eSAndrew Thompson err = 0; 180802ac6454SAndrew Thompson 1809459d369eSAndrew Thompson value = UGETW(req->wValue); 1810459d369eSAndrew Thompson index = UGETW(req->wIndex); 181102ac6454SAndrew Thompson 181202ac6454SAndrew Thompson /* demultiplex the control request */ 181302ac6454SAndrew Thompson 1814459d369eSAndrew Thompson switch (req->bmRequestType) { 181502ac6454SAndrew Thompson case UT_READ_DEVICE: 1816459d369eSAndrew Thompson switch (req->bRequest) { 181702ac6454SAndrew Thompson case UR_GET_DESCRIPTOR: 181802ac6454SAndrew Thompson goto tr_handle_get_descriptor; 181902ac6454SAndrew Thompson case UR_GET_CONFIG: 182002ac6454SAndrew Thompson goto tr_handle_get_config; 182102ac6454SAndrew Thompson case UR_GET_STATUS: 182202ac6454SAndrew Thompson goto tr_handle_get_status; 182302ac6454SAndrew Thompson default: 182402ac6454SAndrew Thompson goto tr_stalled; 182502ac6454SAndrew Thompson } 182602ac6454SAndrew Thompson break; 182702ac6454SAndrew Thompson 182802ac6454SAndrew Thompson case UT_WRITE_DEVICE: 1829459d369eSAndrew Thompson switch (req->bRequest) { 183002ac6454SAndrew Thompson case UR_SET_ADDRESS: 183102ac6454SAndrew Thompson goto tr_handle_set_address; 183202ac6454SAndrew Thompson case UR_SET_CONFIG: 183302ac6454SAndrew Thompson goto tr_handle_set_config; 183402ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 183502ac6454SAndrew Thompson goto tr_valid; /* nop */ 183602ac6454SAndrew Thompson case UR_SET_DESCRIPTOR: 183702ac6454SAndrew Thompson goto tr_valid; /* nop */ 183802ac6454SAndrew Thompson case UR_SET_FEATURE: 183902ac6454SAndrew Thompson default: 184002ac6454SAndrew Thompson goto tr_stalled; 184102ac6454SAndrew Thompson } 184202ac6454SAndrew Thompson break; 184302ac6454SAndrew Thompson 184402ac6454SAndrew Thompson case UT_WRITE_ENDPOINT: 1845459d369eSAndrew Thompson switch (req->bRequest) { 184602ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 1847459d369eSAndrew Thompson switch (UGETW(req->wValue)) { 184802ac6454SAndrew Thompson case UF_ENDPOINT_HALT: 184902ac6454SAndrew Thompson goto tr_handle_clear_halt; 185002ac6454SAndrew Thompson case UF_DEVICE_REMOTE_WAKEUP: 185102ac6454SAndrew Thompson goto tr_handle_clear_wakeup; 185202ac6454SAndrew Thompson default: 185302ac6454SAndrew Thompson goto tr_stalled; 185402ac6454SAndrew Thompson } 185502ac6454SAndrew Thompson break; 185602ac6454SAndrew Thompson case UR_SET_FEATURE: 1857459d369eSAndrew Thompson switch (UGETW(req->wValue)) { 185802ac6454SAndrew Thompson case UF_ENDPOINT_HALT: 185902ac6454SAndrew Thompson goto tr_handle_set_halt; 186002ac6454SAndrew Thompson case UF_DEVICE_REMOTE_WAKEUP: 186102ac6454SAndrew Thompson goto tr_handle_set_wakeup; 186202ac6454SAndrew Thompson default: 186302ac6454SAndrew Thompson goto tr_stalled; 186402ac6454SAndrew Thompson } 186502ac6454SAndrew Thompson break; 186602ac6454SAndrew Thompson case UR_SYNCH_FRAME: 186702ac6454SAndrew Thompson goto tr_valid; /* nop */ 186802ac6454SAndrew Thompson default: 186902ac6454SAndrew Thompson goto tr_stalled; 187002ac6454SAndrew Thompson } 187102ac6454SAndrew Thompson break; 187202ac6454SAndrew Thompson 187302ac6454SAndrew Thompson case UT_READ_ENDPOINT: 1874459d369eSAndrew Thompson switch (req->bRequest) { 187502ac6454SAndrew Thompson case UR_GET_STATUS: 187602ac6454SAndrew Thompson goto tr_handle_get_ep_status; 187702ac6454SAndrew Thompson default: 187802ac6454SAndrew Thompson goto tr_stalled; 187902ac6454SAndrew Thompson } 188002ac6454SAndrew Thompson break; 188102ac6454SAndrew Thompson 188202ac6454SAndrew Thompson case UT_WRITE_INTERFACE: 1883459d369eSAndrew Thompson switch (req->bRequest) { 188402ac6454SAndrew Thompson case UR_SET_INTERFACE: 188502ac6454SAndrew Thompson goto tr_handle_set_interface; 188602ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 188702ac6454SAndrew Thompson goto tr_valid; /* nop */ 188802ac6454SAndrew Thompson case UR_SET_FEATURE: 188902ac6454SAndrew Thompson default: 189002ac6454SAndrew Thompson goto tr_stalled; 189102ac6454SAndrew Thompson } 189202ac6454SAndrew Thompson break; 189302ac6454SAndrew Thompson 189402ac6454SAndrew Thompson case UT_READ_INTERFACE: 1895459d369eSAndrew Thompson switch (req->bRequest) { 189602ac6454SAndrew Thompson case UR_GET_INTERFACE: 189702ac6454SAndrew Thompson goto tr_handle_get_interface; 189802ac6454SAndrew Thompson case UR_GET_STATUS: 189902ac6454SAndrew Thompson goto tr_handle_get_iface_status; 190002ac6454SAndrew Thompson default: 190102ac6454SAndrew Thompson goto tr_stalled; 190202ac6454SAndrew Thompson } 190302ac6454SAndrew Thompson break; 190402ac6454SAndrew Thompson 190502ac6454SAndrew Thompson case UT_WRITE_CLASS_INTERFACE: 190602ac6454SAndrew Thompson case UT_WRITE_VENDOR_INTERFACE: 190702ac6454SAndrew Thompson /* XXX forward */ 190802ac6454SAndrew Thompson break; 190902ac6454SAndrew Thompson 191002ac6454SAndrew Thompson case UT_READ_CLASS_INTERFACE: 191102ac6454SAndrew Thompson case UT_READ_VENDOR_INTERFACE: 191202ac6454SAndrew Thompson /* XXX forward */ 191302ac6454SAndrew Thompson break; 191402ac6454SAndrew Thompson 191502ac6454SAndrew Thompson case UT_WRITE_CLASS_DEVICE: 1916459d369eSAndrew Thompson switch (req->bRequest) { 191702ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 191802ac6454SAndrew Thompson goto tr_valid; 191902ac6454SAndrew Thompson case UR_SET_DESCRIPTOR: 192002ac6454SAndrew Thompson case UR_SET_FEATURE: 192102ac6454SAndrew Thompson break; 192202ac6454SAndrew Thompson default: 192302ac6454SAndrew Thompson goto tr_stalled; 192402ac6454SAndrew Thompson } 192502ac6454SAndrew Thompson break; 192602ac6454SAndrew Thompson 192702ac6454SAndrew Thompson case UT_WRITE_CLASS_OTHER: 1928459d369eSAndrew Thompson switch (req->bRequest) { 192902ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 193002ac6454SAndrew Thompson goto tr_handle_clear_port_feature; 193102ac6454SAndrew Thompson case UR_SET_FEATURE: 193202ac6454SAndrew Thompson goto tr_handle_set_port_feature; 193302ac6454SAndrew Thompson case UR_CLEAR_TT_BUFFER: 193402ac6454SAndrew Thompson case UR_RESET_TT: 193502ac6454SAndrew Thompson case UR_STOP_TT: 193602ac6454SAndrew Thompson goto tr_valid; 193702ac6454SAndrew Thompson 193802ac6454SAndrew Thompson default: 193902ac6454SAndrew Thompson goto tr_stalled; 194002ac6454SAndrew Thompson } 194102ac6454SAndrew Thompson break; 194202ac6454SAndrew Thompson 194302ac6454SAndrew Thompson case UT_READ_CLASS_OTHER: 1944459d369eSAndrew Thompson switch (req->bRequest) { 194502ac6454SAndrew Thompson case UR_GET_TT_STATE: 194602ac6454SAndrew Thompson goto tr_handle_get_tt_state; 194702ac6454SAndrew Thompson case UR_GET_STATUS: 194802ac6454SAndrew Thompson goto tr_handle_get_port_status; 194902ac6454SAndrew Thompson default: 195002ac6454SAndrew Thompson goto tr_stalled; 195102ac6454SAndrew Thompson } 195202ac6454SAndrew Thompson break; 195302ac6454SAndrew Thompson 195402ac6454SAndrew Thompson case UT_READ_CLASS_DEVICE: 1955459d369eSAndrew Thompson switch (req->bRequest) { 195602ac6454SAndrew Thompson case UR_GET_DESCRIPTOR: 195702ac6454SAndrew Thompson goto tr_handle_get_class_descriptor; 195802ac6454SAndrew Thompson case UR_GET_STATUS: 195902ac6454SAndrew Thompson goto tr_handle_get_class_status; 196002ac6454SAndrew Thompson 196102ac6454SAndrew Thompson default: 196202ac6454SAndrew Thompson goto tr_stalled; 196302ac6454SAndrew Thompson } 196402ac6454SAndrew Thompson break; 196502ac6454SAndrew Thompson default: 196602ac6454SAndrew Thompson goto tr_stalled; 196702ac6454SAndrew Thompson } 196802ac6454SAndrew Thompson goto tr_valid; 196902ac6454SAndrew Thompson 197002ac6454SAndrew Thompson tr_handle_get_descriptor: 197102ac6454SAndrew Thompson switch (value >> 8) { 197202ac6454SAndrew Thompson case UDESC_DEVICE: 197302ac6454SAndrew Thompson if (value & 0xff) { 197402ac6454SAndrew Thompson goto tr_stalled; 197502ac6454SAndrew Thompson } 1976459d369eSAndrew Thompson len = sizeof(uss820dci_devd); 1977459d369eSAndrew Thompson ptr = (const void *)&uss820dci_devd; 197802ac6454SAndrew Thompson goto tr_valid; 197902ac6454SAndrew Thompson case UDESC_CONFIG: 198002ac6454SAndrew Thompson if (value & 0xff) { 198102ac6454SAndrew Thompson goto tr_stalled; 198202ac6454SAndrew Thompson } 1983459d369eSAndrew Thompson len = sizeof(uss820dci_confd); 1984459d369eSAndrew Thompson ptr = (const void *)&uss820dci_confd; 198502ac6454SAndrew Thompson goto tr_valid; 198602ac6454SAndrew Thompson case UDESC_STRING: 198702ac6454SAndrew Thompson switch (value & 0xff) { 198802ac6454SAndrew Thompson case 0: /* Language table */ 1989459d369eSAndrew Thompson len = sizeof(uss820dci_langtab); 1990459d369eSAndrew Thompson ptr = (const void *)&uss820dci_langtab; 199102ac6454SAndrew Thompson goto tr_valid; 199202ac6454SAndrew Thompson 199302ac6454SAndrew Thompson case 1: /* Vendor */ 1994459d369eSAndrew Thompson len = sizeof(uss820dci_vendor); 1995459d369eSAndrew Thompson ptr = (const void *)&uss820dci_vendor; 199602ac6454SAndrew Thompson goto tr_valid; 199702ac6454SAndrew Thompson 199802ac6454SAndrew Thompson case 2: /* Product */ 1999459d369eSAndrew Thompson len = sizeof(uss820dci_product); 2000459d369eSAndrew Thompson ptr = (const void *)&uss820dci_product; 200102ac6454SAndrew Thompson goto tr_valid; 200202ac6454SAndrew Thompson default: 200302ac6454SAndrew Thompson break; 200402ac6454SAndrew Thompson } 200502ac6454SAndrew Thompson break; 200602ac6454SAndrew Thompson default: 200702ac6454SAndrew Thompson goto tr_stalled; 200802ac6454SAndrew Thompson } 200902ac6454SAndrew Thompson goto tr_stalled; 201002ac6454SAndrew Thompson 201102ac6454SAndrew Thompson tr_handle_get_config: 2012459d369eSAndrew Thompson len = 1; 201302ac6454SAndrew Thompson sc->sc_hub_temp.wValue[0] = sc->sc_conf; 201402ac6454SAndrew Thompson goto tr_valid; 201502ac6454SAndrew Thompson 201602ac6454SAndrew Thompson tr_handle_get_status: 2017459d369eSAndrew Thompson len = 2; 201802ac6454SAndrew Thompson USETW(sc->sc_hub_temp.wValue, UDS_SELF_POWERED); 201902ac6454SAndrew Thompson goto tr_valid; 202002ac6454SAndrew Thompson 202102ac6454SAndrew Thompson tr_handle_set_address: 202202ac6454SAndrew Thompson if (value & 0xFF00) { 202302ac6454SAndrew Thompson goto tr_stalled; 202402ac6454SAndrew Thompson } 202502ac6454SAndrew Thompson sc->sc_rt_addr = value; 202602ac6454SAndrew Thompson goto tr_valid; 202702ac6454SAndrew Thompson 202802ac6454SAndrew Thompson tr_handle_set_config: 202902ac6454SAndrew Thompson if (value >= 2) { 203002ac6454SAndrew Thompson goto tr_stalled; 203102ac6454SAndrew Thompson } 203202ac6454SAndrew Thompson sc->sc_conf = value; 203302ac6454SAndrew Thompson goto tr_valid; 203402ac6454SAndrew Thompson 203502ac6454SAndrew Thompson tr_handle_get_interface: 2036459d369eSAndrew Thompson len = 1; 203702ac6454SAndrew Thompson sc->sc_hub_temp.wValue[0] = 0; 203802ac6454SAndrew Thompson goto tr_valid; 203902ac6454SAndrew Thompson 204002ac6454SAndrew Thompson tr_handle_get_tt_state: 204102ac6454SAndrew Thompson tr_handle_get_class_status: 204202ac6454SAndrew Thompson tr_handle_get_iface_status: 204302ac6454SAndrew Thompson tr_handle_get_ep_status: 2044459d369eSAndrew Thompson len = 2; 204502ac6454SAndrew Thompson USETW(sc->sc_hub_temp.wValue, 0); 204602ac6454SAndrew Thompson goto tr_valid; 204702ac6454SAndrew Thompson 204802ac6454SAndrew Thompson tr_handle_set_halt: 204902ac6454SAndrew Thompson tr_handle_set_interface: 205002ac6454SAndrew Thompson tr_handle_set_wakeup: 205102ac6454SAndrew Thompson tr_handle_clear_wakeup: 205202ac6454SAndrew Thompson tr_handle_clear_halt: 205302ac6454SAndrew Thompson goto tr_valid; 205402ac6454SAndrew Thompson 205502ac6454SAndrew Thompson tr_handle_clear_port_feature: 205602ac6454SAndrew Thompson if (index != 1) { 205702ac6454SAndrew Thompson goto tr_stalled; 205802ac6454SAndrew Thompson } 205902ac6454SAndrew Thompson DPRINTFN(9, "UR_CLEAR_PORT_FEATURE on port %d\n", index); 206002ac6454SAndrew Thompson 206102ac6454SAndrew Thompson switch (value) { 206202ac6454SAndrew Thompson case UHF_PORT_SUSPEND: 206302ac6454SAndrew Thompson uss820dci_wakeup_peer(sc); 206402ac6454SAndrew Thompson break; 206502ac6454SAndrew Thompson 206602ac6454SAndrew Thompson case UHF_PORT_ENABLE: 206702ac6454SAndrew Thompson sc->sc_flags.port_enabled = 0; 206802ac6454SAndrew Thompson break; 206902ac6454SAndrew Thompson 207002ac6454SAndrew Thompson case UHF_PORT_TEST: 207102ac6454SAndrew Thompson case UHF_PORT_INDICATOR: 207202ac6454SAndrew Thompson case UHF_C_PORT_ENABLE: 207302ac6454SAndrew Thompson case UHF_C_PORT_OVER_CURRENT: 207402ac6454SAndrew Thompson case UHF_C_PORT_RESET: 207502ac6454SAndrew Thompson /* nops */ 207602ac6454SAndrew Thompson break; 207702ac6454SAndrew Thompson case UHF_PORT_POWER: 207802ac6454SAndrew Thompson sc->sc_flags.port_powered = 0; 207902ac6454SAndrew Thompson uss820dci_pull_down(sc); 208002ac6454SAndrew Thompson break; 208102ac6454SAndrew Thompson case UHF_C_PORT_CONNECTION: 208202ac6454SAndrew Thompson sc->sc_flags.change_connect = 0; 208302ac6454SAndrew Thompson break; 208402ac6454SAndrew Thompson case UHF_C_PORT_SUSPEND: 208502ac6454SAndrew Thompson sc->sc_flags.change_suspend = 0; 208602ac6454SAndrew Thompson break; 208702ac6454SAndrew Thompson default: 2088459d369eSAndrew Thompson err = USB_ERR_IOERROR; 208902ac6454SAndrew Thompson goto done; 209002ac6454SAndrew Thompson } 209102ac6454SAndrew Thompson goto tr_valid; 209202ac6454SAndrew Thompson 209302ac6454SAndrew Thompson tr_handle_set_port_feature: 209402ac6454SAndrew Thompson if (index != 1) { 209502ac6454SAndrew Thompson goto tr_stalled; 209602ac6454SAndrew Thompson } 209702ac6454SAndrew Thompson DPRINTFN(9, "UR_SET_PORT_FEATURE\n"); 209802ac6454SAndrew Thompson 209902ac6454SAndrew Thompson switch (value) { 210002ac6454SAndrew Thompson case UHF_PORT_ENABLE: 210102ac6454SAndrew Thompson sc->sc_flags.port_enabled = 1; 210202ac6454SAndrew Thompson break; 210302ac6454SAndrew Thompson case UHF_PORT_SUSPEND: 210402ac6454SAndrew Thompson case UHF_PORT_RESET: 210502ac6454SAndrew Thompson case UHF_PORT_TEST: 210602ac6454SAndrew Thompson case UHF_PORT_INDICATOR: 210702ac6454SAndrew Thompson /* nops */ 210802ac6454SAndrew Thompson break; 210902ac6454SAndrew Thompson case UHF_PORT_POWER: 211002ac6454SAndrew Thompson sc->sc_flags.port_powered = 1; 211102ac6454SAndrew Thompson break; 211202ac6454SAndrew Thompson default: 2113459d369eSAndrew Thompson err = USB_ERR_IOERROR; 211402ac6454SAndrew Thompson goto done; 211502ac6454SAndrew Thompson } 211602ac6454SAndrew Thompson goto tr_valid; 211702ac6454SAndrew Thompson 211802ac6454SAndrew Thompson tr_handle_get_port_status: 211902ac6454SAndrew Thompson 212002ac6454SAndrew Thompson DPRINTFN(9, "UR_GET_PORT_STATUS\n"); 212102ac6454SAndrew Thompson 212202ac6454SAndrew Thompson if (index != 1) { 212302ac6454SAndrew Thompson goto tr_stalled; 212402ac6454SAndrew Thompson } 212502ac6454SAndrew Thompson if (sc->sc_flags.status_vbus) { 212602ac6454SAndrew Thompson uss820dci_pull_up(sc); 212702ac6454SAndrew Thompson } else { 212802ac6454SAndrew Thompson uss820dci_pull_down(sc); 212902ac6454SAndrew Thompson } 213002ac6454SAndrew Thompson 213102ac6454SAndrew Thompson /* Select FULL-speed and Device Side Mode */ 213202ac6454SAndrew Thompson 213302ac6454SAndrew Thompson value = UPS_PORT_MODE_DEVICE; 213402ac6454SAndrew Thompson 213502ac6454SAndrew Thompson if (sc->sc_flags.port_powered) { 213602ac6454SAndrew Thompson value |= UPS_PORT_POWER; 213702ac6454SAndrew Thompson } 213802ac6454SAndrew Thompson if (sc->sc_flags.port_enabled) { 213902ac6454SAndrew Thompson value |= UPS_PORT_ENABLED; 214002ac6454SAndrew Thompson } 214102ac6454SAndrew Thompson if (sc->sc_flags.status_vbus && 214202ac6454SAndrew Thompson sc->sc_flags.status_bus_reset) { 214302ac6454SAndrew Thompson value |= UPS_CURRENT_CONNECT_STATUS; 214402ac6454SAndrew Thompson } 214502ac6454SAndrew Thompson if (sc->sc_flags.status_suspend) { 214602ac6454SAndrew Thompson value |= UPS_SUSPEND; 214702ac6454SAndrew Thompson } 214802ac6454SAndrew Thompson USETW(sc->sc_hub_temp.ps.wPortStatus, value); 214902ac6454SAndrew Thompson 215002ac6454SAndrew Thompson value = 0; 215102ac6454SAndrew Thompson 215202ac6454SAndrew Thompson if (sc->sc_flags.change_connect) { 215302ac6454SAndrew Thompson value |= UPS_C_CONNECT_STATUS; 215402ac6454SAndrew Thompson } 215502ac6454SAndrew Thompson if (sc->sc_flags.change_suspend) { 215602ac6454SAndrew Thompson value |= UPS_C_SUSPEND; 215702ac6454SAndrew Thompson } 215802ac6454SAndrew Thompson USETW(sc->sc_hub_temp.ps.wPortChange, value); 2159459d369eSAndrew Thompson len = sizeof(sc->sc_hub_temp.ps); 216002ac6454SAndrew Thompson goto tr_valid; 216102ac6454SAndrew Thompson 216202ac6454SAndrew Thompson tr_handle_get_class_descriptor: 216302ac6454SAndrew Thompson if (value & 0xFF) { 216402ac6454SAndrew Thompson goto tr_stalled; 216502ac6454SAndrew Thompson } 2166459d369eSAndrew Thompson ptr = (const void *)&uss820dci_hubd; 2167459d369eSAndrew Thompson len = sizeof(uss820dci_hubd); 216802ac6454SAndrew Thompson goto tr_valid; 216902ac6454SAndrew Thompson 217002ac6454SAndrew Thompson tr_stalled: 2171459d369eSAndrew Thompson err = USB_ERR_STALLED; 217202ac6454SAndrew Thompson tr_valid: 217302ac6454SAndrew Thompson done: 2174459d369eSAndrew Thompson *plength = len; 2175459d369eSAndrew Thompson *pptr = ptr; 2176459d369eSAndrew Thompson return (err); 217702ac6454SAndrew Thompson } 217802ac6454SAndrew Thompson 217902ac6454SAndrew Thompson static void 218002ac6454SAndrew Thompson uss820dci_xfer_setup(struct usb2_setup_params *parm) 218102ac6454SAndrew Thompson { 218202ac6454SAndrew Thompson const struct usb2_hw_ep_profile *pf; 218302ac6454SAndrew Thompson struct uss820dci_softc *sc; 218402ac6454SAndrew Thompson struct usb2_xfer *xfer; 218502ac6454SAndrew Thompson void *last_obj; 218602ac6454SAndrew Thompson uint32_t ntd; 218702ac6454SAndrew Thompson uint32_t n; 218802ac6454SAndrew Thompson uint8_t ep_no; 218902ac6454SAndrew Thompson 219002ac6454SAndrew Thompson sc = USS820_DCI_BUS2SC(parm->udev->bus); 219102ac6454SAndrew Thompson xfer = parm->curr_xfer; 219202ac6454SAndrew Thompson 219302ac6454SAndrew Thompson /* 219402ac6454SAndrew Thompson * NOTE: This driver does not use any of the parameters that 219502ac6454SAndrew Thompson * are computed from the following values. Just set some 219602ac6454SAndrew Thompson * reasonable dummies: 219702ac6454SAndrew Thompson */ 219802ac6454SAndrew Thompson parm->hc_max_packet_size = 0x500; 219902ac6454SAndrew Thompson parm->hc_max_packet_count = 1; 220002ac6454SAndrew Thompson parm->hc_max_frame_size = 0x500; 220102ac6454SAndrew Thompson 220202ac6454SAndrew Thompson usb2_transfer_setup_sub(parm); 220302ac6454SAndrew Thompson 220402ac6454SAndrew Thompson /* 220502ac6454SAndrew Thompson * compute maximum number of TDs 220602ac6454SAndrew Thompson */ 220702ac6454SAndrew Thompson if (parm->methods == &uss820dci_device_ctrl_methods) { 220802ac6454SAndrew Thompson 220902ac6454SAndrew Thompson ntd = xfer->nframes + 1 /* STATUS */ + 1 /* SYNC */ ; 221002ac6454SAndrew Thompson 221102ac6454SAndrew Thompson } else if (parm->methods == &uss820dci_device_bulk_methods) { 221202ac6454SAndrew Thompson 221302ac6454SAndrew Thompson ntd = xfer->nframes + 1 /* SYNC */ ; 221402ac6454SAndrew Thompson 221502ac6454SAndrew Thompson } else if (parm->methods == &uss820dci_device_intr_methods) { 221602ac6454SAndrew Thompson 221702ac6454SAndrew Thompson ntd = xfer->nframes + 1 /* SYNC */ ; 221802ac6454SAndrew Thompson 221902ac6454SAndrew Thompson } else if (parm->methods == &uss820dci_device_isoc_fs_methods) { 222002ac6454SAndrew Thompson 222102ac6454SAndrew Thompson ntd = xfer->nframes + 1 /* SYNC */ ; 222202ac6454SAndrew Thompson 222302ac6454SAndrew Thompson } else { 222402ac6454SAndrew Thompson 222502ac6454SAndrew Thompson ntd = 0; 222602ac6454SAndrew Thompson } 222702ac6454SAndrew Thompson 222802ac6454SAndrew Thompson /* 222902ac6454SAndrew Thompson * check if "usb2_transfer_setup_sub" set an error 223002ac6454SAndrew Thompson */ 223102ac6454SAndrew Thompson if (parm->err) { 223202ac6454SAndrew Thompson return; 223302ac6454SAndrew Thompson } 223402ac6454SAndrew Thompson /* 223502ac6454SAndrew Thompson * allocate transfer descriptors 223602ac6454SAndrew Thompson */ 223702ac6454SAndrew Thompson last_obj = NULL; 223802ac6454SAndrew Thompson 223902ac6454SAndrew Thompson /* 224002ac6454SAndrew Thompson * get profile stuff 224102ac6454SAndrew Thompson */ 224202ac6454SAndrew Thompson if (ntd) { 224302ac6454SAndrew Thompson 224402ac6454SAndrew Thompson ep_no = xfer->endpoint & UE_ADDR; 224502ac6454SAndrew Thompson uss820dci_get_hw_ep_profile(parm->udev, &pf, ep_no); 224602ac6454SAndrew Thompson 224702ac6454SAndrew Thompson if (pf == NULL) { 224802ac6454SAndrew Thompson /* should not happen */ 224902ac6454SAndrew Thompson parm->err = USB_ERR_INVAL; 225002ac6454SAndrew Thompson return; 225102ac6454SAndrew Thompson } 225202ac6454SAndrew Thompson } else { 225302ac6454SAndrew Thompson ep_no = 0; 225402ac6454SAndrew Thompson pf = NULL; 225502ac6454SAndrew Thompson } 225602ac6454SAndrew Thompson 225702ac6454SAndrew Thompson /* align data */ 225802ac6454SAndrew Thompson parm->size[0] += ((-parm->size[0]) & (USB_HOST_ALIGN - 1)); 225902ac6454SAndrew Thompson 226002ac6454SAndrew Thompson for (n = 0; n != ntd; n++) { 226102ac6454SAndrew Thompson 226202ac6454SAndrew Thompson struct uss820dci_td *td; 226302ac6454SAndrew Thompson 226402ac6454SAndrew Thompson if (parm->buf) { 226502ac6454SAndrew Thompson 226602ac6454SAndrew Thompson td = USB_ADD_BYTES(parm->buf, parm->size[0]); 226702ac6454SAndrew Thompson 226802ac6454SAndrew Thompson /* init TD */ 226902ac6454SAndrew Thompson td->io_tag = sc->sc_io_tag; 227002ac6454SAndrew Thompson td->io_hdl = sc->sc_io_hdl; 227102ac6454SAndrew Thompson td->max_packet_size = xfer->max_packet_size; 227202ac6454SAndrew Thompson td->rx_stat_reg = USS820_GET_REG(sc, USS820_RXSTAT); 227302ac6454SAndrew Thompson td->tx_stat_reg = USS820_GET_REG(sc, USS820_TXSTAT); 227402ac6454SAndrew Thompson td->rx_flag_reg = USS820_GET_REG(sc, USS820_RXFLG); 227502ac6454SAndrew Thompson td->tx_flag_reg = USS820_GET_REG(sc, USS820_TXFLG); 227602ac6454SAndrew Thompson td->rx_fifo_reg = USS820_GET_REG(sc, USS820_RXDAT); 227702ac6454SAndrew Thompson td->tx_fifo_reg = USS820_GET_REG(sc, USS820_TXDAT); 227802ac6454SAndrew Thompson td->rx_count_low_reg = USS820_GET_REG(sc, USS820_RXCNTL); 227902ac6454SAndrew Thompson td->rx_count_high_reg = USS820_GET_REG(sc, USS820_RXCNTH); 228002ac6454SAndrew Thompson td->tx_count_low_reg = USS820_GET_REG(sc, USS820_TXCNTL); 228102ac6454SAndrew Thompson td->tx_count_high_reg = USS820_GET_REG(sc, USS820_TXCNTH); 228202ac6454SAndrew Thompson td->rx_cntl_reg = USS820_GET_REG(sc, USS820_RXCON); 228302ac6454SAndrew Thompson td->tx_cntl_reg = USS820_GET_REG(sc, USS820_TXCON); 228402ac6454SAndrew Thompson td->pend_reg = USS820_GET_REG(sc, USS820_PEND); 228502ac6454SAndrew Thompson td->ep_reg = USS820_GET_REG(sc, USS820_EPINDEX); 228602ac6454SAndrew Thompson td->ep_index = ep_no; 228702ac6454SAndrew Thompson if (pf->support_multi_buffer && 228802ac6454SAndrew Thompson (parm->methods != &uss820dci_device_ctrl_methods)) { 228902ac6454SAndrew Thompson td->support_multi_buffer = 1; 229002ac6454SAndrew Thompson } 229102ac6454SAndrew Thompson td->obj_next = last_obj; 229202ac6454SAndrew Thompson 229302ac6454SAndrew Thompson last_obj = td; 229402ac6454SAndrew Thompson } 229502ac6454SAndrew Thompson parm->size[0] += sizeof(*td); 229602ac6454SAndrew Thompson } 229702ac6454SAndrew Thompson 229802ac6454SAndrew Thompson xfer->td_start[0] = last_obj; 229902ac6454SAndrew Thompson } 230002ac6454SAndrew Thompson 230102ac6454SAndrew Thompson static void 230202ac6454SAndrew Thompson uss820dci_xfer_unsetup(struct usb2_xfer *xfer) 230302ac6454SAndrew Thompson { 230402ac6454SAndrew Thompson return; 230502ac6454SAndrew Thompson } 230602ac6454SAndrew Thompson 230702ac6454SAndrew Thompson static void 230802ac6454SAndrew Thompson uss820dci_pipe_init(struct usb2_device *udev, struct usb2_endpoint_descriptor *edesc, 230902ac6454SAndrew Thompson struct usb2_pipe *pipe) 231002ac6454SAndrew Thompson { 231102ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(udev->bus); 231202ac6454SAndrew Thompson 231302ac6454SAndrew Thompson DPRINTFN(2, "pipe=%p, addr=%d, endpt=%d, mode=%d (%d)\n", 231402ac6454SAndrew Thompson pipe, udev->address, 231502ac6454SAndrew Thompson edesc->bEndpointAddress, udev->flags.usb2_mode, 231602ac6454SAndrew Thompson sc->sc_rt_addr); 231702ac6454SAndrew Thompson 231839307315SAndrew Thompson if (udev->device_index != sc->sc_rt_addr) { 231902ac6454SAndrew Thompson 232002ac6454SAndrew Thompson if (udev->flags.usb2_mode != USB_MODE_DEVICE) { 232102ac6454SAndrew Thompson /* not supported */ 232202ac6454SAndrew Thompson return; 232302ac6454SAndrew Thompson } 232402ac6454SAndrew Thompson if (udev->speed != USB_SPEED_FULL) { 232502ac6454SAndrew Thompson /* not supported */ 232602ac6454SAndrew Thompson return; 232702ac6454SAndrew Thompson } 232802ac6454SAndrew Thompson switch (edesc->bmAttributes & UE_XFERTYPE) { 232902ac6454SAndrew Thompson case UE_CONTROL: 233002ac6454SAndrew Thompson pipe->methods = &uss820dci_device_ctrl_methods; 233102ac6454SAndrew Thompson break; 233202ac6454SAndrew Thompson case UE_INTERRUPT: 233302ac6454SAndrew Thompson pipe->methods = &uss820dci_device_intr_methods; 233402ac6454SAndrew Thompson break; 233502ac6454SAndrew Thompson case UE_ISOCHRONOUS: 233602ac6454SAndrew Thompson pipe->methods = &uss820dci_device_isoc_fs_methods; 233702ac6454SAndrew Thompson break; 233802ac6454SAndrew Thompson case UE_BULK: 233902ac6454SAndrew Thompson pipe->methods = &uss820dci_device_bulk_methods; 234002ac6454SAndrew Thompson break; 234102ac6454SAndrew Thompson default: 234202ac6454SAndrew Thompson /* do nothing */ 234302ac6454SAndrew Thompson break; 234402ac6454SAndrew Thompson } 234502ac6454SAndrew Thompson } 234602ac6454SAndrew Thompson } 234702ac6454SAndrew Thompson 234802ac6454SAndrew Thompson struct usb2_bus_methods uss820dci_bus_methods = 234902ac6454SAndrew Thompson { 235002ac6454SAndrew Thompson .pipe_init = &uss820dci_pipe_init, 235102ac6454SAndrew Thompson .xfer_setup = &uss820dci_xfer_setup, 235202ac6454SAndrew Thompson .xfer_unsetup = &uss820dci_xfer_unsetup, 235302ac6454SAndrew Thompson .get_hw_ep_profile = &uss820dci_get_hw_ep_profile, 235402ac6454SAndrew Thompson .set_stall = &uss820dci_set_stall, 235502ac6454SAndrew Thompson .clear_stall = &uss820dci_clear_stall, 235639307315SAndrew Thompson .roothub_exec = &uss820dci_roothub_exec, 235702ac6454SAndrew Thompson }; 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