102ac6454SAndrew Thompson /* $FreeBSD$ */ 202ac6454SAndrew Thompson /*- 35d38a4d4SEd Schouten * Copyright (c) 2008 Hans Petter Selasky <hselasky@FreeBSD.org> 402ac6454SAndrew Thompson * All rights reserved. 502ac6454SAndrew Thompson * 602ac6454SAndrew Thompson * Redistribution and use in source and binary forms, with or without 702ac6454SAndrew Thompson * modification, are permitted provided that the following conditions 802ac6454SAndrew Thompson * are met: 902ac6454SAndrew Thompson * 1. Redistributions of source code must retain the above copyright 1002ac6454SAndrew Thompson * notice, this list of conditions and the following disclaimer. 1102ac6454SAndrew Thompson * 2. Redistributions in binary form must reproduce the above copyright 1202ac6454SAndrew Thompson * notice, this list of conditions and the following disclaimer in the 1302ac6454SAndrew Thompson * documentation and/or other materials provided with the distribution. 1402ac6454SAndrew Thompson * 1502ac6454SAndrew Thompson * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1602ac6454SAndrew Thompson * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1702ac6454SAndrew Thompson * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1802ac6454SAndrew Thompson * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 1902ac6454SAndrew Thompson * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2002ac6454SAndrew Thompson * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2102ac6454SAndrew Thompson * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2202ac6454SAndrew Thompson * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2302ac6454SAndrew Thompson * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2402ac6454SAndrew Thompson * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2502ac6454SAndrew Thompson * SUCH DAMAGE. 2602ac6454SAndrew Thompson */ 2702ac6454SAndrew Thompson 2802ac6454SAndrew Thompson /* 2902ac6454SAndrew Thompson * This file contains the driver for the USS820 series USB Device 3002ac6454SAndrew Thompson * Controller 3102ac6454SAndrew Thompson * 3202ac6454SAndrew Thompson * NOTE: The datasheet does not document everything! 3302ac6454SAndrew Thompson */ 3402ac6454SAndrew Thompson 3502ac6454SAndrew Thompson #include <dev/usb/usb.h> 3602ac6454SAndrew Thompson #include <dev/usb/usb_mfunc.h> 3702ac6454SAndrew Thompson #include <dev/usb/usb_revision.h> 3802ac6454SAndrew Thompson #include <dev/usb/usb_error.h> 3902ac6454SAndrew Thompson 4002ac6454SAndrew Thompson #define USB_DEBUG_VAR uss820dcidebug 4102ac6454SAndrew Thompson 4202ac6454SAndrew Thompson #include <dev/usb/usb_core.h> 4302ac6454SAndrew Thompson #include <dev/usb/usb_debug.h> 4402ac6454SAndrew Thompson #include <dev/usb/usb_busdma.h> 4502ac6454SAndrew Thompson #include <dev/usb/usb_process.h> 4602ac6454SAndrew Thompson #include <dev/usb/usb_sw_transfer.h> 4702ac6454SAndrew Thompson #include <dev/usb/usb_transfer.h> 4802ac6454SAndrew Thompson #include <dev/usb/usb_device.h> 4902ac6454SAndrew Thompson #include <dev/usb/usb_hub.h> 5002ac6454SAndrew Thompson #include <dev/usb/usb_util.h> 5102ac6454SAndrew Thompson 5202ac6454SAndrew Thompson #include <dev/usb/usb_controller.h> 5302ac6454SAndrew Thompson #include <dev/usb/usb_bus.h> 5402ac6454SAndrew Thompson #include <dev/usb/controller/uss820dci.h> 5502ac6454SAndrew Thompson 5602ac6454SAndrew Thompson #define USS820_DCI_BUS2SC(bus) \ 5702ac6454SAndrew Thompson ((struct uss820dci_softc *)(((uint8_t *)(bus)) - \ 58578d0effSAndrew Thompson ((uint8_t *)&(((struct uss820dci_softc *)0)->sc_bus)))) 5902ac6454SAndrew Thompson 6002ac6454SAndrew Thompson #define USS820_DCI_PC2SC(pc) \ 61bdc081c6SAndrew Thompson USS820_DCI_BUS2SC(USB_DMATAG_TO_XROOT((pc)->tag_parent)->bus) 6202ac6454SAndrew Thompson 6302ac6454SAndrew Thompson #if USB_DEBUG 6402ac6454SAndrew Thompson static int uss820dcidebug = 0; 6502ac6454SAndrew Thompson 6602ac6454SAndrew Thompson SYSCTL_NODE(_hw_usb2, OID_AUTO, uss820dci, CTLFLAG_RW, 0, "USB uss820dci"); 6702ac6454SAndrew Thompson SYSCTL_INT(_hw_usb2_uss820dci, OID_AUTO, debug, CTLFLAG_RW, 6802ac6454SAndrew Thompson &uss820dcidebug, 0, "uss820dci debug level"); 6902ac6454SAndrew Thompson #endif 7002ac6454SAndrew Thompson 7102ac6454SAndrew Thompson #define USS820_DCI_INTR_ENDPT 1 7202ac6454SAndrew Thompson 7302ac6454SAndrew Thompson /* prototypes */ 7402ac6454SAndrew Thompson 7502ac6454SAndrew Thompson struct usb2_bus_methods uss820dci_bus_methods; 7602ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_bulk_methods; 7702ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_ctrl_methods; 7802ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_intr_methods; 7902ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_isoc_fs_methods; 8002ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_root_ctrl_methods; 8102ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_root_intr_methods; 8202ac6454SAndrew Thompson 8302ac6454SAndrew Thompson static uss820dci_cmd_t uss820dci_setup_rx; 8402ac6454SAndrew Thompson static uss820dci_cmd_t uss820dci_data_rx; 8502ac6454SAndrew Thompson static uss820dci_cmd_t uss820dci_data_tx; 8602ac6454SAndrew Thompson static uss820dci_cmd_t uss820dci_data_tx_sync; 8702ac6454SAndrew Thompson static void uss820dci_device_done(struct usb2_xfer *, usb2_error_t); 8802ac6454SAndrew Thompson static void uss820dci_do_poll(struct usb2_bus *); 8902ac6454SAndrew Thompson static void uss820dci_root_ctrl_poll(struct uss820dci_softc *); 9002ac6454SAndrew Thompson static void uss820dci_standard_done(struct usb2_xfer *); 9102ac6454SAndrew Thompson static void uss820dci_intr_set(struct usb2_xfer *, uint8_t); 9202ac6454SAndrew Thompson static void uss820dci_update_shared_1(struct uss820dci_softc *, uint8_t, 9302ac6454SAndrew Thompson uint8_t, uint8_t); 9402ac6454SAndrew Thompson 9502ac6454SAndrew Thompson static usb2_sw_transfer_func_t uss820dci_root_intr_done; 9602ac6454SAndrew Thompson static usb2_sw_transfer_func_t uss820dci_root_ctrl_done; 9702ac6454SAndrew Thompson 9802ac6454SAndrew Thompson /* 9902ac6454SAndrew Thompson * Here is a list of what the USS820D chip can support. The main 10002ac6454SAndrew Thompson * limitation is that the sum of the buffer sizes must be less than 10102ac6454SAndrew Thompson * 1120 bytes. 10202ac6454SAndrew Thompson */ 10302ac6454SAndrew Thompson static const struct usb2_hw_ep_profile 10402ac6454SAndrew Thompson uss820dci_ep_profile[] = { 10502ac6454SAndrew Thompson 10602ac6454SAndrew Thompson [0] = { 10702ac6454SAndrew Thompson .max_in_frame_size = 32, 10802ac6454SAndrew Thompson .max_out_frame_size = 32, 10902ac6454SAndrew Thompson .is_simplex = 0, 11002ac6454SAndrew Thompson .support_control = 1, 11102ac6454SAndrew Thompson }, 11202ac6454SAndrew Thompson [1] = { 11302ac6454SAndrew Thompson .max_in_frame_size = 64, 11402ac6454SAndrew Thompson .max_out_frame_size = 64, 11502ac6454SAndrew Thompson .is_simplex = 0, 11602ac6454SAndrew Thompson .support_multi_buffer = 1, 11702ac6454SAndrew Thompson .support_bulk = 1, 11802ac6454SAndrew Thompson .support_interrupt = 1, 11902ac6454SAndrew Thompson .support_in = 1, 12002ac6454SAndrew Thompson .support_out = 1, 12102ac6454SAndrew Thompson }, 12202ac6454SAndrew Thompson [2] = { 12302ac6454SAndrew Thompson .max_in_frame_size = 8, 12402ac6454SAndrew Thompson .max_out_frame_size = 8, 12502ac6454SAndrew Thompson .is_simplex = 0, 12602ac6454SAndrew Thompson .support_multi_buffer = 1, 12702ac6454SAndrew Thompson .support_bulk = 1, 12802ac6454SAndrew Thompson .support_interrupt = 1, 12902ac6454SAndrew Thompson .support_in = 1, 13002ac6454SAndrew Thompson .support_out = 1, 13102ac6454SAndrew Thompson }, 13202ac6454SAndrew Thompson [3] = { 13302ac6454SAndrew Thompson .max_in_frame_size = 256, 13402ac6454SAndrew Thompson .max_out_frame_size = 256, 13502ac6454SAndrew Thompson .is_simplex = 0, 13602ac6454SAndrew Thompson .support_multi_buffer = 1, 13702ac6454SAndrew Thompson .support_isochronous = 1, 13802ac6454SAndrew Thompson .support_in = 1, 13902ac6454SAndrew Thompson .support_out = 1, 14002ac6454SAndrew Thompson }, 14102ac6454SAndrew Thompson }; 14202ac6454SAndrew Thompson 14302ac6454SAndrew Thompson static void 14402ac6454SAndrew Thompson uss820dci_update_shared_1(struct uss820dci_softc *sc, uint8_t reg, 14502ac6454SAndrew Thompson uint8_t keep_mask, uint8_t set_mask) 14602ac6454SAndrew Thompson { 14702ac6454SAndrew Thompson uint8_t temp; 14802ac6454SAndrew Thompson 14902ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_PEND, 1); 15002ac6454SAndrew Thompson temp = USS820_READ_1(sc, reg); 15102ac6454SAndrew Thompson temp &= (keep_mask); 15202ac6454SAndrew Thompson temp |= (set_mask); 15302ac6454SAndrew Thompson USS820_WRITE_1(sc, reg, temp); 15402ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_PEND, 0); 15502ac6454SAndrew Thompson } 15602ac6454SAndrew Thompson 15702ac6454SAndrew Thompson static void 15802ac6454SAndrew Thompson uss820dci_get_hw_ep_profile(struct usb2_device *udev, 15902ac6454SAndrew Thompson const struct usb2_hw_ep_profile **ppf, uint8_t ep_addr) 16002ac6454SAndrew Thompson { 16102ac6454SAndrew Thompson if (ep_addr == 0) { 16202ac6454SAndrew Thompson *ppf = uss820dci_ep_profile + 0; 16302ac6454SAndrew Thompson } else if (ep_addr < 5) { 16402ac6454SAndrew Thompson *ppf = uss820dci_ep_profile + 1; 16502ac6454SAndrew Thompson } else if (ep_addr < 7) { 16602ac6454SAndrew Thompson *ppf = uss820dci_ep_profile + 2; 16702ac6454SAndrew Thompson } else if (ep_addr == 7) { 16802ac6454SAndrew Thompson *ppf = uss820dci_ep_profile + 3; 16902ac6454SAndrew Thompson } else { 17002ac6454SAndrew Thompson *ppf = NULL; 17102ac6454SAndrew Thompson } 17202ac6454SAndrew Thompson } 17302ac6454SAndrew Thompson 17402ac6454SAndrew Thompson static void 17502ac6454SAndrew Thompson uss820dci_pull_up(struct uss820dci_softc *sc) 17602ac6454SAndrew Thompson { 17702ac6454SAndrew Thompson uint8_t temp; 17802ac6454SAndrew Thompson 17902ac6454SAndrew Thompson /* pullup D+, if possible */ 18002ac6454SAndrew Thompson 18102ac6454SAndrew Thompson if (!sc->sc_flags.d_pulled_up && 18202ac6454SAndrew Thompson sc->sc_flags.port_powered) { 18302ac6454SAndrew Thompson sc->sc_flags.d_pulled_up = 1; 18402ac6454SAndrew Thompson 18502ac6454SAndrew Thompson DPRINTF("\n"); 18602ac6454SAndrew Thompson 18702ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_MCSR); 18802ac6454SAndrew Thompson temp |= USS820_MCSR_DPEN; 18902ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_MCSR, temp); 19002ac6454SAndrew Thompson } 19102ac6454SAndrew Thompson } 19202ac6454SAndrew Thompson 19302ac6454SAndrew Thompson static void 19402ac6454SAndrew Thompson uss820dci_pull_down(struct uss820dci_softc *sc) 19502ac6454SAndrew Thompson { 19602ac6454SAndrew Thompson uint8_t temp; 19702ac6454SAndrew Thompson 19802ac6454SAndrew Thompson /* pulldown D+, if possible */ 19902ac6454SAndrew Thompson 20002ac6454SAndrew Thompson if (sc->sc_flags.d_pulled_up) { 20102ac6454SAndrew Thompson sc->sc_flags.d_pulled_up = 0; 20202ac6454SAndrew Thompson 20302ac6454SAndrew Thompson DPRINTF("\n"); 20402ac6454SAndrew Thompson 20502ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_MCSR); 20602ac6454SAndrew Thompson temp &= ~USS820_MCSR_DPEN; 20702ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_MCSR, temp); 20802ac6454SAndrew Thompson } 20902ac6454SAndrew Thompson } 21002ac6454SAndrew Thompson 21102ac6454SAndrew Thompson static void 21202ac6454SAndrew Thompson uss820dci_wakeup_peer(struct uss820dci_softc *sc) 21302ac6454SAndrew Thompson { 21402ac6454SAndrew Thompson if (!(sc->sc_flags.status_suspend)) { 21502ac6454SAndrew Thompson return; 21602ac6454SAndrew Thompson } 21702ac6454SAndrew Thompson DPRINTFN(0, "not supported\n"); 21802ac6454SAndrew Thompson } 21902ac6454SAndrew Thompson 22002ac6454SAndrew Thompson static void 22102ac6454SAndrew Thompson uss820dci_set_address(struct uss820dci_softc *sc, uint8_t addr) 22202ac6454SAndrew Thompson { 22302ac6454SAndrew Thompson DPRINTFN(5, "addr=%d\n", addr); 22402ac6454SAndrew Thompson 22502ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_FADDR, addr); 22602ac6454SAndrew Thompson } 22702ac6454SAndrew Thompson 22802ac6454SAndrew Thompson static uint8_t 22902ac6454SAndrew Thompson uss820dci_setup_rx(struct uss820dci_td *td) 23002ac6454SAndrew Thompson { 23102ac6454SAndrew Thompson struct uss820dci_softc *sc; 23202ac6454SAndrew Thompson struct usb2_device_request req; 23302ac6454SAndrew Thompson uint16_t count; 23402ac6454SAndrew Thompson uint8_t rx_stat; 23502ac6454SAndrew Thompson uint8_t temp; 23602ac6454SAndrew Thompson 23702ac6454SAndrew Thompson /* select the correct endpoint */ 23802ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 23902ac6454SAndrew Thompson td->ep_reg, td->ep_index); 24002ac6454SAndrew Thompson 24102ac6454SAndrew Thompson /* read out FIFO status */ 24202ac6454SAndrew Thompson rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 24302ac6454SAndrew Thompson td->rx_stat_reg); 24402ac6454SAndrew Thompson 24502ac6454SAndrew Thompson /* get pointer to softc */ 24602ac6454SAndrew Thompson sc = USS820_DCI_PC2SC(td->pc); 24702ac6454SAndrew Thompson 24802ac6454SAndrew Thompson DPRINTFN(5, "rx_stat=0x%02x rem=%u\n", rx_stat, td->remainder); 24902ac6454SAndrew Thompson 25002ac6454SAndrew Thompson if (!(rx_stat & USS820_RXSTAT_RXSETUP)) { 25102ac6454SAndrew Thompson /* abort any ongoing transfer */ 25202ac6454SAndrew Thompson if (!td->did_stall) { 25302ac6454SAndrew Thompson DPRINTFN(5, "stalling\n"); 25402ac6454SAndrew Thompson 25502ac6454SAndrew Thompson /* set stall */ 25602ac6454SAndrew Thompson 25702ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, 25802ac6454SAndrew Thompson (USS820_EPCON_TXSTL | USS820_EPCON_RXSTL)); 25902ac6454SAndrew Thompson 26002ac6454SAndrew Thompson td->did_stall = 1; 26102ac6454SAndrew Thompson } 26202ac6454SAndrew Thompson goto not_complete; 26302ac6454SAndrew Thompson } 26402ac6454SAndrew Thompson /* clear stall and all I/O */ 26502ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_EPCON, 26602ac6454SAndrew Thompson 0xFF ^ (USS820_EPCON_TXSTL | 26702ac6454SAndrew Thompson USS820_EPCON_RXSTL | 26802ac6454SAndrew Thompson USS820_EPCON_RXIE | 26902ac6454SAndrew Thompson USS820_EPCON_TXOE), 0); 27002ac6454SAndrew Thompson 27102ac6454SAndrew Thompson /* clear end overwrite flag */ 27202ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_RXSTAT, 27302ac6454SAndrew Thompson 0xFF ^ USS820_RXSTAT_EDOVW, 0); 27402ac6454SAndrew Thompson 27502ac6454SAndrew Thompson /* get the packet byte count */ 27602ac6454SAndrew Thompson count = bus_space_read_1(td->io_tag, td->io_hdl, 27702ac6454SAndrew Thompson td->rx_count_low_reg); 27802ac6454SAndrew Thompson count |= (bus_space_read_1(td->io_tag, td->io_hdl, 27902ac6454SAndrew Thompson td->rx_count_high_reg) << 8); 28002ac6454SAndrew Thompson count &= 0x3FF; 28102ac6454SAndrew Thompson 28202ac6454SAndrew Thompson /* verify data length */ 28302ac6454SAndrew Thompson if (count != td->remainder) { 28402ac6454SAndrew Thompson DPRINTFN(0, "Invalid SETUP packet " 28502ac6454SAndrew Thompson "length, %d bytes\n", count); 28602ac6454SAndrew Thompson goto not_complete; 28702ac6454SAndrew Thompson } 28802ac6454SAndrew Thompson if (count != sizeof(req)) { 28902ac6454SAndrew Thompson DPRINTFN(0, "Unsupported SETUP packet " 29002ac6454SAndrew Thompson "length, %d bytes\n", count); 29102ac6454SAndrew Thompson goto not_complete; 29202ac6454SAndrew Thompson } 29302ac6454SAndrew Thompson /* receive data */ 29402ac6454SAndrew Thompson bus_space_read_multi_1(td->io_tag, td->io_hdl, 29502ac6454SAndrew Thompson td->rx_fifo_reg, (void *)&req, sizeof(req)); 29602ac6454SAndrew Thompson 29702ac6454SAndrew Thompson /* read out FIFO status */ 29802ac6454SAndrew Thompson rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 29902ac6454SAndrew Thompson td->rx_stat_reg); 30002ac6454SAndrew Thompson 30102ac6454SAndrew Thompson if (rx_stat & (USS820_RXSTAT_EDOVW | 30202ac6454SAndrew Thompson USS820_RXSTAT_STOVW)) { 30302ac6454SAndrew Thompson DPRINTF("new SETUP packet received\n"); 30402ac6454SAndrew Thompson return (1); /* not complete */ 30502ac6454SAndrew Thompson } 30602ac6454SAndrew Thompson /* clear receive setup bit */ 30702ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_RXSTAT, 30802ac6454SAndrew Thompson 0xFF ^ (USS820_RXSTAT_RXSETUP | 30902ac6454SAndrew Thompson USS820_RXSTAT_EDOVW | 31002ac6454SAndrew Thompson USS820_RXSTAT_STOVW), 0); 31102ac6454SAndrew Thompson 31202ac6454SAndrew Thompson /* set RXFFRC bit */ 31302ac6454SAndrew Thompson temp = bus_space_read_1(td->io_tag, td->io_hdl, 31402ac6454SAndrew Thompson td->rx_cntl_reg); 31502ac6454SAndrew Thompson temp |= USS820_RXCON_RXFFRC; 31602ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 31702ac6454SAndrew Thompson td->rx_cntl_reg, temp); 31802ac6454SAndrew Thompson 31902ac6454SAndrew Thompson /* copy data into real buffer */ 32002ac6454SAndrew Thompson usb2_copy_in(td->pc, 0, &req, sizeof(req)); 32102ac6454SAndrew Thompson 32202ac6454SAndrew Thompson td->offset = sizeof(req); 32302ac6454SAndrew Thompson td->remainder = 0; 32402ac6454SAndrew Thompson 32502ac6454SAndrew Thompson /* sneak peek the set address */ 32602ac6454SAndrew Thompson if ((req.bmRequestType == UT_WRITE_DEVICE) && 32702ac6454SAndrew Thompson (req.bRequest == UR_SET_ADDRESS)) { 32802ac6454SAndrew Thompson sc->sc_dv_addr = req.wValue[0] & 0x7F; 32902ac6454SAndrew Thompson } else { 33002ac6454SAndrew Thompson sc->sc_dv_addr = 0xFF; 33102ac6454SAndrew Thompson } 33202ac6454SAndrew Thompson return (0); /* complete */ 33302ac6454SAndrew Thompson 33402ac6454SAndrew Thompson not_complete: 33502ac6454SAndrew Thompson /* clear end overwrite flag, if any */ 33602ac6454SAndrew Thompson if (rx_stat & USS820_RXSTAT_RXSETUP) { 33702ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_RXSTAT, 33802ac6454SAndrew Thompson 0xFF ^ (USS820_RXSTAT_EDOVW | 33902ac6454SAndrew Thompson USS820_RXSTAT_STOVW | 34002ac6454SAndrew Thompson USS820_RXSTAT_RXSETUP), 0); 34102ac6454SAndrew Thompson } 34202ac6454SAndrew Thompson return (1); /* not complete */ 34302ac6454SAndrew Thompson 34402ac6454SAndrew Thompson } 34502ac6454SAndrew Thompson 34602ac6454SAndrew Thompson static uint8_t 34702ac6454SAndrew Thompson uss820dci_data_rx(struct uss820dci_td *td) 34802ac6454SAndrew Thompson { 34902ac6454SAndrew Thompson struct usb2_page_search buf_res; 35002ac6454SAndrew Thompson uint16_t count; 35102ac6454SAndrew Thompson uint8_t rx_flag; 35202ac6454SAndrew Thompson uint8_t rx_stat; 35302ac6454SAndrew Thompson uint8_t rx_cntl; 35402ac6454SAndrew Thompson uint8_t to; 35502ac6454SAndrew Thompson uint8_t got_short; 35602ac6454SAndrew Thompson 35702ac6454SAndrew Thompson to = 2; /* don't loop forever! */ 35802ac6454SAndrew Thompson got_short = 0; 35902ac6454SAndrew Thompson 36002ac6454SAndrew Thompson /* select the correct endpoint */ 36102ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, td->ep_reg, td->ep_index); 36202ac6454SAndrew Thompson 36302ac6454SAndrew Thompson /* check if any of the FIFO banks have data */ 36402ac6454SAndrew Thompson repeat: 36502ac6454SAndrew Thompson /* read out FIFO flag */ 36602ac6454SAndrew Thompson rx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 36702ac6454SAndrew Thompson td->rx_flag_reg); 36802ac6454SAndrew Thompson /* read out FIFO status */ 36902ac6454SAndrew Thompson rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 37002ac6454SAndrew Thompson td->rx_stat_reg); 37102ac6454SAndrew Thompson 37202ac6454SAndrew Thompson DPRINTFN(5, "rx_stat=0x%02x rx_flag=0x%02x rem=%u\n", 37302ac6454SAndrew Thompson rx_stat, rx_flag, td->remainder); 37402ac6454SAndrew Thompson 37502ac6454SAndrew Thompson if (rx_stat & (USS820_RXSTAT_RXSETUP | 37602ac6454SAndrew Thompson USS820_RXSTAT_RXSOVW | 37702ac6454SAndrew Thompson USS820_RXSTAT_EDOVW)) { 37802ac6454SAndrew Thompson if (td->remainder == 0) { 37902ac6454SAndrew Thompson /* 38002ac6454SAndrew Thompson * We are actually complete and have 38102ac6454SAndrew Thompson * received the next SETUP 38202ac6454SAndrew Thompson */ 38302ac6454SAndrew Thompson DPRINTFN(5, "faking complete\n"); 38402ac6454SAndrew Thompson return (0); /* complete */ 38502ac6454SAndrew Thompson } 38602ac6454SAndrew Thompson /* 38702ac6454SAndrew Thompson * USB Host Aborted the transfer. 38802ac6454SAndrew Thompson */ 38902ac6454SAndrew Thompson td->error = 1; 39002ac6454SAndrew Thompson return (0); /* complete */ 39102ac6454SAndrew Thompson } 39202ac6454SAndrew Thompson /* check for errors */ 39302ac6454SAndrew Thompson if (rx_flag & (USS820_RXFLG_RXOVF | 39402ac6454SAndrew Thompson USS820_RXFLG_RXURF)) { 39502ac6454SAndrew Thompson DPRINTFN(5, "overflow or underflow\n"); 39602ac6454SAndrew Thompson /* should not happen */ 39702ac6454SAndrew Thompson td->error = 1; 39802ac6454SAndrew Thompson return (0); /* complete */ 39902ac6454SAndrew Thompson } 40002ac6454SAndrew Thompson /* check status */ 40102ac6454SAndrew Thompson if (!(rx_flag & (USS820_RXFLG_RXFIF0 | 40202ac6454SAndrew Thompson USS820_RXFLG_RXFIF1))) { 40302ac6454SAndrew Thompson 40402ac6454SAndrew Thompson /* read out EPCON register */ 40502ac6454SAndrew Thompson /* enable RX input */ 40602ac6454SAndrew Thompson if (!td->did_stall) { 40702ac6454SAndrew Thompson uss820dci_update_shared_1(USS820_DCI_PC2SC(td->pc), 40802ac6454SAndrew Thompson USS820_EPCON, 0xFF, USS820_EPCON_RXIE); 40902ac6454SAndrew Thompson td->did_stall = 1; 41002ac6454SAndrew Thompson } 41102ac6454SAndrew Thompson return (1); /* not complete */ 41202ac6454SAndrew Thompson } 41302ac6454SAndrew Thompson /* get the packet byte count */ 41402ac6454SAndrew Thompson count = bus_space_read_1(td->io_tag, td->io_hdl, 41502ac6454SAndrew Thompson td->rx_count_low_reg); 41602ac6454SAndrew Thompson 41702ac6454SAndrew Thompson count |= (bus_space_read_1(td->io_tag, td->io_hdl, 41802ac6454SAndrew Thompson td->rx_count_high_reg) << 8); 41902ac6454SAndrew Thompson count &= 0x3FF; 42002ac6454SAndrew Thompson 42102ac6454SAndrew Thompson DPRINTFN(5, "count=0x%04x\n", count); 42202ac6454SAndrew Thompson 42302ac6454SAndrew Thompson /* verify the packet byte count */ 42402ac6454SAndrew Thompson if (count != td->max_packet_size) { 42502ac6454SAndrew Thompson if (count < td->max_packet_size) { 42602ac6454SAndrew Thompson /* we have a short packet */ 42702ac6454SAndrew Thompson td->short_pkt = 1; 42802ac6454SAndrew Thompson got_short = 1; 42902ac6454SAndrew Thompson } else { 43002ac6454SAndrew Thompson /* invalid USB packet */ 43102ac6454SAndrew Thompson td->error = 1; 43202ac6454SAndrew Thompson return (0); /* we are complete */ 43302ac6454SAndrew Thompson } 43402ac6454SAndrew Thompson } 43502ac6454SAndrew Thompson /* verify the packet byte count */ 43602ac6454SAndrew Thompson if (count > td->remainder) { 43702ac6454SAndrew Thompson /* invalid USB packet */ 43802ac6454SAndrew Thompson td->error = 1; 43902ac6454SAndrew Thompson return (0); /* we are complete */ 44002ac6454SAndrew Thompson } 44102ac6454SAndrew Thompson while (count > 0) { 44202ac6454SAndrew Thompson usb2_get_page(td->pc, td->offset, &buf_res); 44302ac6454SAndrew Thompson 44402ac6454SAndrew Thompson /* get correct length */ 44502ac6454SAndrew Thompson if (buf_res.length > count) { 44602ac6454SAndrew Thompson buf_res.length = count; 44702ac6454SAndrew Thompson } 44802ac6454SAndrew Thompson /* receive data */ 44902ac6454SAndrew Thompson bus_space_read_multi_1(td->io_tag, td->io_hdl, 45002ac6454SAndrew Thompson td->rx_fifo_reg, buf_res.buffer, buf_res.length); 45102ac6454SAndrew Thompson 45202ac6454SAndrew Thompson /* update counters */ 45302ac6454SAndrew Thompson count -= buf_res.length; 45402ac6454SAndrew Thompson td->offset += buf_res.length; 45502ac6454SAndrew Thompson td->remainder -= buf_res.length; 45602ac6454SAndrew Thompson } 45702ac6454SAndrew Thompson 45802ac6454SAndrew Thompson /* set RXFFRC bit */ 45902ac6454SAndrew Thompson rx_cntl = bus_space_read_1(td->io_tag, td->io_hdl, 46002ac6454SAndrew Thompson td->rx_cntl_reg); 46102ac6454SAndrew Thompson rx_cntl |= USS820_RXCON_RXFFRC; 46202ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 46302ac6454SAndrew Thompson td->rx_cntl_reg, rx_cntl); 46402ac6454SAndrew Thompson 46502ac6454SAndrew Thompson /* check if we are complete */ 46602ac6454SAndrew Thompson if ((td->remainder == 0) || got_short) { 46702ac6454SAndrew Thompson if (td->short_pkt) { 46802ac6454SAndrew Thompson /* we are complete */ 46902ac6454SAndrew Thompson return (0); 47002ac6454SAndrew Thompson } 47102ac6454SAndrew Thompson /* else need to receive a zero length packet */ 47202ac6454SAndrew Thompson } 47302ac6454SAndrew Thompson if (--to) { 47402ac6454SAndrew Thompson goto repeat; 47502ac6454SAndrew Thompson } 47602ac6454SAndrew Thompson return (1); /* not complete */ 47702ac6454SAndrew Thompson } 47802ac6454SAndrew Thompson 47902ac6454SAndrew Thompson static uint8_t 48002ac6454SAndrew Thompson uss820dci_data_tx(struct uss820dci_td *td) 48102ac6454SAndrew Thompson { 48202ac6454SAndrew Thompson struct usb2_page_search buf_res; 48302ac6454SAndrew Thompson uint16_t count; 48402ac6454SAndrew Thompson uint16_t count_copy; 48502ac6454SAndrew Thompson uint8_t rx_stat; 48602ac6454SAndrew Thompson uint8_t tx_flag; 48702ac6454SAndrew Thompson uint8_t to; 48802ac6454SAndrew Thompson 48902ac6454SAndrew Thompson /* select the correct endpoint */ 49002ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 49102ac6454SAndrew Thompson td->ep_reg, td->ep_index); 49202ac6454SAndrew Thompson 49302ac6454SAndrew Thompson to = 2; /* don't loop forever! */ 49402ac6454SAndrew Thompson 49502ac6454SAndrew Thompson repeat: 49602ac6454SAndrew Thompson /* read out TX FIFO flags */ 49702ac6454SAndrew Thompson tx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 49802ac6454SAndrew Thompson td->tx_flag_reg); 49902ac6454SAndrew Thompson 50002ac6454SAndrew Thompson /* read out RX FIFO status last */ 50102ac6454SAndrew Thompson rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 50202ac6454SAndrew Thompson td->rx_stat_reg); 50302ac6454SAndrew Thompson 50402ac6454SAndrew Thompson DPRINTFN(5, "rx_stat=0x%02x tx_flag=0x%02x rem=%u\n", 50502ac6454SAndrew Thompson rx_stat, tx_flag, td->remainder); 50602ac6454SAndrew Thompson 50702ac6454SAndrew Thompson if (rx_stat & (USS820_RXSTAT_RXSETUP | 50802ac6454SAndrew Thompson USS820_RXSTAT_RXSOVW | 50902ac6454SAndrew Thompson USS820_RXSTAT_EDOVW)) { 51002ac6454SAndrew Thompson /* 51102ac6454SAndrew Thompson * The current transfer was aborted 51202ac6454SAndrew Thompson * by the USB Host 51302ac6454SAndrew Thompson */ 51402ac6454SAndrew Thompson td->error = 1; 51502ac6454SAndrew Thompson return (0); /* complete */ 51602ac6454SAndrew Thompson } 51702ac6454SAndrew Thompson if (tx_flag & (USS820_TXFLG_TXOVF | 51802ac6454SAndrew Thompson USS820_TXFLG_TXURF)) { 51902ac6454SAndrew Thompson td->error = 1; 52002ac6454SAndrew Thompson return (0); /* complete */ 52102ac6454SAndrew Thompson } 52202ac6454SAndrew Thompson if (tx_flag & USS820_TXFLG_TXFIF0) { 52302ac6454SAndrew Thompson if (tx_flag & USS820_TXFLG_TXFIF1) { 52402ac6454SAndrew Thompson return (1); /* not complete */ 52502ac6454SAndrew Thompson } 52602ac6454SAndrew Thompson } 52702ac6454SAndrew Thompson if ((!td->support_multi_buffer) && 52802ac6454SAndrew Thompson (tx_flag & (USS820_TXFLG_TXFIF0 | 52902ac6454SAndrew Thompson USS820_TXFLG_TXFIF1))) { 53002ac6454SAndrew Thompson return (1); /* not complete */ 53102ac6454SAndrew Thompson } 53202ac6454SAndrew Thompson count = td->max_packet_size; 53302ac6454SAndrew Thompson if (td->remainder < count) { 53402ac6454SAndrew Thompson /* we have a short packet */ 53502ac6454SAndrew Thompson td->short_pkt = 1; 53602ac6454SAndrew Thompson count = td->remainder; 53702ac6454SAndrew Thompson } 53802ac6454SAndrew Thompson count_copy = count; 53902ac6454SAndrew Thompson while (count > 0) { 54002ac6454SAndrew Thompson 54102ac6454SAndrew Thompson usb2_get_page(td->pc, td->offset, &buf_res); 54202ac6454SAndrew Thompson 54302ac6454SAndrew Thompson /* get correct length */ 54402ac6454SAndrew Thompson if (buf_res.length > count) { 54502ac6454SAndrew Thompson buf_res.length = count; 54602ac6454SAndrew Thompson } 54702ac6454SAndrew Thompson /* transmit data */ 54802ac6454SAndrew Thompson bus_space_write_multi_1(td->io_tag, td->io_hdl, 54902ac6454SAndrew Thompson td->tx_fifo_reg, buf_res.buffer, buf_res.length); 55002ac6454SAndrew Thompson 55102ac6454SAndrew Thompson /* update counters */ 55202ac6454SAndrew Thompson count -= buf_res.length; 55302ac6454SAndrew Thompson td->offset += buf_res.length; 55402ac6454SAndrew Thompson td->remainder -= buf_res.length; 55502ac6454SAndrew Thompson } 55602ac6454SAndrew Thompson 55702ac6454SAndrew Thompson /* post-write high packet byte count first */ 55802ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 55902ac6454SAndrew Thompson td->tx_count_high_reg, count_copy >> 8); 56002ac6454SAndrew Thompson 56102ac6454SAndrew Thompson /* post-write low packet byte count last */ 56202ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 56302ac6454SAndrew Thompson td->tx_count_low_reg, count_copy); 56402ac6454SAndrew Thompson 56502ac6454SAndrew Thompson /* 56602ac6454SAndrew Thompson * Enable TX output, which must happen after that we have written 56702ac6454SAndrew Thompson * data into the FIFO. This is undocumented. 56802ac6454SAndrew Thompson */ 56902ac6454SAndrew Thompson if (!td->did_stall) { 57002ac6454SAndrew Thompson uss820dci_update_shared_1(USS820_DCI_PC2SC(td->pc), 57102ac6454SAndrew Thompson USS820_EPCON, 0xFF, USS820_EPCON_TXOE); 57202ac6454SAndrew Thompson td->did_stall = 1; 57302ac6454SAndrew Thompson } 57402ac6454SAndrew Thompson /* check remainder */ 57502ac6454SAndrew Thompson if (td->remainder == 0) { 57602ac6454SAndrew Thompson if (td->short_pkt) { 57702ac6454SAndrew Thompson return (0); /* complete */ 57802ac6454SAndrew Thompson } 57902ac6454SAndrew Thompson /* else we need to transmit a short packet */ 58002ac6454SAndrew Thompson } 58102ac6454SAndrew Thompson if (--to) { 58202ac6454SAndrew Thompson goto repeat; 58302ac6454SAndrew Thompson } 58402ac6454SAndrew Thompson return (1); /* not complete */ 58502ac6454SAndrew Thompson } 58602ac6454SAndrew Thompson 58702ac6454SAndrew Thompson static uint8_t 58802ac6454SAndrew Thompson uss820dci_data_tx_sync(struct uss820dci_td *td) 58902ac6454SAndrew Thompson { 59002ac6454SAndrew Thompson struct uss820dci_softc *sc; 59102ac6454SAndrew Thompson uint8_t rx_stat; 59202ac6454SAndrew Thompson uint8_t tx_flag; 59302ac6454SAndrew Thompson 59402ac6454SAndrew Thompson /* select the correct endpoint */ 59502ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 59602ac6454SAndrew Thompson td->ep_reg, td->ep_index); 59702ac6454SAndrew Thompson 59802ac6454SAndrew Thompson /* read out TX FIFO flag */ 59902ac6454SAndrew Thompson tx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 60002ac6454SAndrew Thompson td->tx_flag_reg); 60102ac6454SAndrew Thompson 60202ac6454SAndrew Thompson /* read out RX FIFO status last */ 60302ac6454SAndrew Thompson rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 60402ac6454SAndrew Thompson td->rx_stat_reg); 60502ac6454SAndrew Thompson 60602ac6454SAndrew Thompson DPRINTFN(5, "rx_stat=0x%02x rem=%u\n", rx_stat, td->remainder); 60702ac6454SAndrew Thompson 60802ac6454SAndrew Thompson if (rx_stat & (USS820_RXSTAT_RXSETUP | 60902ac6454SAndrew Thompson USS820_RXSTAT_RXSOVW | 61002ac6454SAndrew Thompson USS820_RXSTAT_EDOVW)) { 61102ac6454SAndrew Thompson DPRINTFN(5, "faking complete\n"); 61202ac6454SAndrew Thompson /* Race condition */ 61302ac6454SAndrew Thompson return (0); /* complete */ 61402ac6454SAndrew Thompson } 61502ac6454SAndrew Thompson DPRINTFN(5, "tx_flag=0x%02x rem=%u\n", 61602ac6454SAndrew Thompson tx_flag, td->remainder); 61702ac6454SAndrew Thompson 61802ac6454SAndrew Thompson if (tx_flag & (USS820_TXFLG_TXOVF | 61902ac6454SAndrew Thompson USS820_TXFLG_TXURF)) { 62002ac6454SAndrew Thompson td->error = 1; 62102ac6454SAndrew Thompson return (0); /* complete */ 62202ac6454SAndrew Thompson } 62302ac6454SAndrew Thompson if (tx_flag & (USS820_TXFLG_TXFIF0 | 62402ac6454SAndrew Thompson USS820_TXFLG_TXFIF1)) { 62502ac6454SAndrew Thompson return (1); /* not complete */ 62602ac6454SAndrew Thompson } 62702ac6454SAndrew Thompson sc = USS820_DCI_PC2SC(td->pc); 62802ac6454SAndrew Thompson if (sc->sc_dv_addr != 0xFF) { 62902ac6454SAndrew Thompson /* write function address */ 63002ac6454SAndrew Thompson uss820dci_set_address(sc, sc->sc_dv_addr); 63102ac6454SAndrew Thompson } 63202ac6454SAndrew Thompson return (0); /* complete */ 63302ac6454SAndrew Thompson } 63402ac6454SAndrew Thompson 63502ac6454SAndrew Thompson static uint8_t 63602ac6454SAndrew Thompson uss820dci_xfer_do_fifo(struct usb2_xfer *xfer) 63702ac6454SAndrew Thompson { 63802ac6454SAndrew Thompson struct uss820dci_td *td; 63902ac6454SAndrew Thompson 64002ac6454SAndrew Thompson DPRINTFN(9, "\n"); 64102ac6454SAndrew Thompson 64202ac6454SAndrew Thompson td = xfer->td_transfer_cache; 64302ac6454SAndrew Thompson while (1) { 64402ac6454SAndrew Thompson if ((td->func) (td)) { 64502ac6454SAndrew Thompson /* operation in progress */ 64602ac6454SAndrew Thompson break; 64702ac6454SAndrew Thompson } 64802ac6454SAndrew Thompson if (((void *)td) == xfer->td_transfer_last) { 64902ac6454SAndrew Thompson goto done; 65002ac6454SAndrew Thompson } 65102ac6454SAndrew Thompson if (td->error) { 65202ac6454SAndrew Thompson goto done; 65302ac6454SAndrew Thompson } else if (td->remainder > 0) { 65402ac6454SAndrew Thompson /* 65502ac6454SAndrew Thompson * We had a short transfer. If there is no alternate 65602ac6454SAndrew Thompson * next, stop processing ! 65702ac6454SAndrew Thompson */ 65802ac6454SAndrew Thompson if (!td->alt_next) { 65902ac6454SAndrew Thompson goto done; 66002ac6454SAndrew Thompson } 66102ac6454SAndrew Thompson } 66202ac6454SAndrew Thompson /* 66302ac6454SAndrew Thompson * Fetch the next transfer descriptor. 66402ac6454SAndrew Thompson */ 66502ac6454SAndrew Thompson td = td->obj_next; 66602ac6454SAndrew Thompson xfer->td_transfer_cache = td; 66702ac6454SAndrew Thompson } 66802ac6454SAndrew Thompson return (1); /* not complete */ 66902ac6454SAndrew Thompson 67002ac6454SAndrew Thompson done: 67102ac6454SAndrew Thompson /* compute all actual lengths */ 67202ac6454SAndrew Thompson 67302ac6454SAndrew Thompson uss820dci_standard_done(xfer); 67402ac6454SAndrew Thompson 67502ac6454SAndrew Thompson return (0); /* complete */ 67602ac6454SAndrew Thompson } 67702ac6454SAndrew Thompson 67802ac6454SAndrew Thompson static void 67902ac6454SAndrew Thompson uss820dci_interrupt_poll(struct uss820dci_softc *sc) 68002ac6454SAndrew Thompson { 68102ac6454SAndrew Thompson struct usb2_xfer *xfer; 68202ac6454SAndrew Thompson 68302ac6454SAndrew Thompson repeat: 68402ac6454SAndrew Thompson TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { 68502ac6454SAndrew Thompson if (!uss820dci_xfer_do_fifo(xfer)) { 68602ac6454SAndrew Thompson /* queue has been modified */ 68702ac6454SAndrew Thompson goto repeat; 68802ac6454SAndrew Thompson } 68902ac6454SAndrew Thompson } 69002ac6454SAndrew Thompson } 69102ac6454SAndrew Thompson 69202ac6454SAndrew Thompson static void 69302ac6454SAndrew Thompson uss820dci_wait_suspend(struct uss820dci_softc *sc, uint8_t on) 69402ac6454SAndrew Thompson { 69502ac6454SAndrew Thompson uint8_t scr; 69602ac6454SAndrew Thompson uint8_t scratch; 69702ac6454SAndrew Thompson 69802ac6454SAndrew Thompson scr = USS820_READ_1(sc, USS820_SCR); 69902ac6454SAndrew Thompson scratch = USS820_READ_1(sc, USS820_SCRATCH); 70002ac6454SAndrew Thompson 70102ac6454SAndrew Thompson if (on) { 70202ac6454SAndrew Thompson scr |= USS820_SCR_IE_SUSP; 70302ac6454SAndrew Thompson scratch &= ~USS820_SCRATCH_IE_RESUME; 70402ac6454SAndrew Thompson } else { 70502ac6454SAndrew Thompson scr &= ~USS820_SCR_IE_SUSP; 70602ac6454SAndrew Thompson scratch |= USS820_SCRATCH_IE_RESUME; 70702ac6454SAndrew Thompson } 70802ac6454SAndrew Thompson 70902ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCR, scr); 71002ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCRATCH, scratch); 71102ac6454SAndrew Thompson } 71202ac6454SAndrew Thompson 71302ac6454SAndrew Thompson void 71402ac6454SAndrew Thompson uss820dci_interrupt(struct uss820dci_softc *sc) 71502ac6454SAndrew Thompson { 71602ac6454SAndrew Thompson uint8_t ssr; 71702ac6454SAndrew Thompson uint8_t event; 71802ac6454SAndrew Thompson 71902ac6454SAndrew Thompson USB_BUS_LOCK(&sc->sc_bus); 72002ac6454SAndrew Thompson 72102ac6454SAndrew Thompson ssr = USS820_READ_1(sc, USS820_SSR); 72202ac6454SAndrew Thompson 72302ac6454SAndrew Thompson ssr &= (USS820_SSR_SUSPEND | 72402ac6454SAndrew Thompson USS820_SSR_RESUME | 72502ac6454SAndrew Thompson USS820_SSR_RESET); 72602ac6454SAndrew Thompson 72702ac6454SAndrew Thompson /* acknowledge all interrupts */ 72802ac6454SAndrew Thompson 72902ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_SSR, 0, 0); 73002ac6454SAndrew Thompson 73102ac6454SAndrew Thompson /* check for any bus state change interrupts */ 73202ac6454SAndrew Thompson 73302ac6454SAndrew Thompson if (ssr) { 73402ac6454SAndrew Thompson 73502ac6454SAndrew Thompson event = 0; 73602ac6454SAndrew Thompson 73702ac6454SAndrew Thompson if (ssr & USS820_SSR_RESET) { 73802ac6454SAndrew Thompson sc->sc_flags.status_bus_reset = 1; 73902ac6454SAndrew Thompson sc->sc_flags.status_suspend = 0; 74002ac6454SAndrew Thompson sc->sc_flags.change_suspend = 0; 74102ac6454SAndrew Thompson sc->sc_flags.change_connect = 1; 74202ac6454SAndrew Thompson 74302ac6454SAndrew Thompson /* disable resume interrupt */ 74402ac6454SAndrew Thompson uss820dci_wait_suspend(sc, 1); 74502ac6454SAndrew Thompson 74602ac6454SAndrew Thompson event = 1; 74702ac6454SAndrew Thompson } 74802ac6454SAndrew Thompson /* 74902ac6454SAndrew Thompson * If "RESUME" and "SUSPEND" is set at the same time 75002ac6454SAndrew Thompson * we interpret that like "RESUME". Resume is set when 75102ac6454SAndrew Thompson * there is at least 3 milliseconds of inactivity on 75202ac6454SAndrew Thompson * the USB BUS. 75302ac6454SAndrew Thompson */ 75402ac6454SAndrew Thompson if (ssr & USS820_SSR_RESUME) { 75502ac6454SAndrew Thompson if (sc->sc_flags.status_suspend) { 75602ac6454SAndrew Thompson sc->sc_flags.status_suspend = 0; 75702ac6454SAndrew Thompson sc->sc_flags.change_suspend = 1; 75802ac6454SAndrew Thompson /* disable resume interrupt */ 75902ac6454SAndrew Thompson uss820dci_wait_suspend(sc, 1); 76002ac6454SAndrew Thompson event = 1; 76102ac6454SAndrew Thompson } 76202ac6454SAndrew Thompson } else if (ssr & USS820_SSR_SUSPEND) { 76302ac6454SAndrew Thompson if (!sc->sc_flags.status_suspend) { 76402ac6454SAndrew Thompson sc->sc_flags.status_suspend = 1; 76502ac6454SAndrew Thompson sc->sc_flags.change_suspend = 1; 76602ac6454SAndrew Thompson /* enable resume interrupt */ 76702ac6454SAndrew Thompson uss820dci_wait_suspend(sc, 0); 76802ac6454SAndrew Thompson event = 1; 76902ac6454SAndrew Thompson } 77002ac6454SAndrew Thompson } 77102ac6454SAndrew Thompson if (event) { 77202ac6454SAndrew Thompson 77302ac6454SAndrew Thompson DPRINTF("real bus interrupt 0x%02x\n", ssr); 77402ac6454SAndrew Thompson 77502ac6454SAndrew Thompson /* complete root HUB interrupt endpoint */ 77602ac6454SAndrew Thompson 77702ac6454SAndrew Thompson usb2_sw_transfer(&sc->sc_root_intr, 77802ac6454SAndrew Thompson &uss820dci_root_intr_done); 77902ac6454SAndrew Thompson } 78002ac6454SAndrew Thompson } 78102ac6454SAndrew Thompson /* acknowledge all SBI interrupts */ 78202ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_SBI, 0, 0); 78302ac6454SAndrew Thompson 78402ac6454SAndrew Thompson /* acknowledge all SBI1 interrupts */ 78502ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_SBI1, 0, 0); 78602ac6454SAndrew Thompson 78702ac6454SAndrew Thompson /* poll all active transfers */ 78802ac6454SAndrew Thompson uss820dci_interrupt_poll(sc); 78902ac6454SAndrew Thompson 79002ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 79102ac6454SAndrew Thompson } 79202ac6454SAndrew Thompson 79302ac6454SAndrew Thompson static void 79402ac6454SAndrew Thompson uss820dci_setup_standard_chain_sub(struct uss820_std_temp *temp) 79502ac6454SAndrew Thompson { 79602ac6454SAndrew Thompson struct uss820dci_td *td; 79702ac6454SAndrew Thompson 79802ac6454SAndrew Thompson /* get current Transfer Descriptor */ 79902ac6454SAndrew Thompson td = temp->td_next; 80002ac6454SAndrew Thompson temp->td = td; 80102ac6454SAndrew Thompson 80202ac6454SAndrew Thompson /* prepare for next TD */ 80302ac6454SAndrew Thompson temp->td_next = td->obj_next; 80402ac6454SAndrew Thompson 80502ac6454SAndrew Thompson /* fill out the Transfer Descriptor */ 80602ac6454SAndrew Thompson td->func = temp->func; 80702ac6454SAndrew Thompson td->pc = temp->pc; 80802ac6454SAndrew Thompson td->offset = temp->offset; 80902ac6454SAndrew Thompson td->remainder = temp->len; 81002ac6454SAndrew Thompson td->error = 0; 81102ac6454SAndrew Thompson td->did_stall = 0; 81202ac6454SAndrew Thompson td->short_pkt = temp->short_pkt; 81302ac6454SAndrew Thompson td->alt_next = temp->setup_alt_next; 81402ac6454SAndrew Thompson } 81502ac6454SAndrew Thompson 81602ac6454SAndrew Thompson static void 81702ac6454SAndrew Thompson uss820dci_setup_standard_chain(struct usb2_xfer *xfer) 81802ac6454SAndrew Thompson { 81902ac6454SAndrew Thompson struct uss820_std_temp temp; 82002ac6454SAndrew Thompson struct uss820dci_softc *sc; 82102ac6454SAndrew Thompson struct uss820dci_td *td; 82202ac6454SAndrew Thompson uint32_t x; 82302ac6454SAndrew Thompson uint8_t ep_no; 82402ac6454SAndrew Thompson 82502ac6454SAndrew Thompson DPRINTFN(9, "addr=%d endpt=%d sumlen=%d speed=%d\n", 82602ac6454SAndrew Thompson xfer->address, UE_GET_ADDR(xfer->endpoint), 82702ac6454SAndrew Thompson xfer->sumlen, usb2_get_speed(xfer->xroot->udev)); 82802ac6454SAndrew Thompson 82902ac6454SAndrew Thompson temp.max_frame_size = xfer->max_frame_size; 83002ac6454SAndrew Thompson 83102ac6454SAndrew Thompson td = xfer->td_start[0]; 83202ac6454SAndrew Thompson xfer->td_transfer_first = td; 83302ac6454SAndrew Thompson xfer->td_transfer_cache = td; 83402ac6454SAndrew Thompson 83502ac6454SAndrew Thompson /* setup temp */ 83602ac6454SAndrew Thompson 83702ac6454SAndrew Thompson temp.td = NULL; 83802ac6454SAndrew Thompson temp.td_next = xfer->td_start[0]; 83902ac6454SAndrew Thompson temp.offset = 0; 8400f7d4548SAndrew Thompson temp.setup_alt_next = xfer->flags_int.short_frames_ok; 84102ac6454SAndrew Thompson 84202ac6454SAndrew Thompson sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 84302ac6454SAndrew Thompson ep_no = (xfer->endpoint & UE_ADDR); 84402ac6454SAndrew Thompson 84502ac6454SAndrew Thompson /* check if we should prepend a setup message */ 84602ac6454SAndrew Thompson 84702ac6454SAndrew Thompson if (xfer->flags_int.control_xfr) { 84802ac6454SAndrew Thompson if (xfer->flags_int.control_hdr) { 84902ac6454SAndrew Thompson 85002ac6454SAndrew Thompson temp.func = &uss820dci_setup_rx; 85102ac6454SAndrew Thompson temp.len = xfer->frlengths[0]; 85202ac6454SAndrew Thompson temp.pc = xfer->frbuffers + 0; 85302ac6454SAndrew Thompson temp.short_pkt = temp.len ? 1 : 0; 8540f7d4548SAndrew Thompson /* check for last frame */ 8550f7d4548SAndrew Thompson if (xfer->nframes == 1) { 8560f7d4548SAndrew Thompson /* no STATUS stage yet, SETUP is last */ 8570f7d4548SAndrew Thompson if (xfer->flags_int.control_act) 8580f7d4548SAndrew Thompson temp.setup_alt_next = 0; 8590f7d4548SAndrew Thompson } 86002ac6454SAndrew Thompson 86102ac6454SAndrew Thompson uss820dci_setup_standard_chain_sub(&temp); 86202ac6454SAndrew Thompson } 86302ac6454SAndrew Thompson x = 1; 86402ac6454SAndrew Thompson } else { 86502ac6454SAndrew Thompson x = 0; 86602ac6454SAndrew Thompson } 86702ac6454SAndrew Thompson 86802ac6454SAndrew Thompson if (x != xfer->nframes) { 86902ac6454SAndrew Thompson if (xfer->endpoint & UE_DIR_IN) { 87002ac6454SAndrew Thompson temp.func = &uss820dci_data_tx; 87102ac6454SAndrew Thompson } else { 87202ac6454SAndrew Thompson temp.func = &uss820dci_data_rx; 87302ac6454SAndrew Thompson } 87402ac6454SAndrew Thompson 87502ac6454SAndrew Thompson /* setup "pc" pointer */ 87602ac6454SAndrew Thompson temp.pc = xfer->frbuffers + x; 87702ac6454SAndrew Thompson } 87802ac6454SAndrew Thompson while (x != xfer->nframes) { 87902ac6454SAndrew Thompson 88002ac6454SAndrew Thompson /* DATA0 / DATA1 message */ 88102ac6454SAndrew Thompson 88202ac6454SAndrew Thompson temp.len = xfer->frlengths[x]; 88302ac6454SAndrew Thompson 88402ac6454SAndrew Thompson x++; 88502ac6454SAndrew Thompson 88602ac6454SAndrew Thompson if (x == xfer->nframes) { 8870f7d4548SAndrew Thompson if (xfer->flags_int.control_xfr) { 8880f7d4548SAndrew Thompson if (xfer->flags_int.control_act) { 88902ac6454SAndrew Thompson temp.setup_alt_next = 0; 89002ac6454SAndrew Thompson } 8910f7d4548SAndrew Thompson } else { 8920f7d4548SAndrew Thompson temp.setup_alt_next = 0; 8930f7d4548SAndrew Thompson } 8940f7d4548SAndrew Thompson } 89502ac6454SAndrew Thompson if (temp.len == 0) { 89602ac6454SAndrew Thompson 89702ac6454SAndrew Thompson /* make sure that we send an USB packet */ 89802ac6454SAndrew Thompson 89902ac6454SAndrew Thompson temp.short_pkt = 0; 90002ac6454SAndrew Thompson 90102ac6454SAndrew Thompson } else { 90202ac6454SAndrew Thompson 90302ac6454SAndrew Thompson /* regular data transfer */ 90402ac6454SAndrew Thompson 90502ac6454SAndrew Thompson temp.short_pkt = (xfer->flags.force_short_xfer) ? 0 : 1; 90602ac6454SAndrew Thompson } 90702ac6454SAndrew Thompson 90802ac6454SAndrew Thompson uss820dci_setup_standard_chain_sub(&temp); 90902ac6454SAndrew Thompson 91002ac6454SAndrew Thompson if (xfer->flags_int.isochronous_xfr) { 91102ac6454SAndrew Thompson temp.offset += temp.len; 91202ac6454SAndrew Thompson } else { 91302ac6454SAndrew Thompson /* get next Page Cache pointer */ 91402ac6454SAndrew Thompson temp.pc = xfer->frbuffers + x; 91502ac6454SAndrew Thompson } 91602ac6454SAndrew Thompson } 91702ac6454SAndrew Thompson 9180f7d4548SAndrew Thompson /* check for control transfer */ 9190f7d4548SAndrew Thompson if (xfer->flags_int.control_xfr) { 9200f7d4548SAndrew Thompson uint8_t need_sync; 9210f7d4548SAndrew Thompson 92202ac6454SAndrew Thompson /* always setup a valid "pc" pointer for status and sync */ 92302ac6454SAndrew Thompson temp.pc = xfer->frbuffers + 0; 9240f7d4548SAndrew Thompson temp.len = 0; 9250f7d4548SAndrew Thompson temp.short_pkt = 0; 9260f7d4548SAndrew Thompson temp.setup_alt_next = 0; 92702ac6454SAndrew Thompson 92802ac6454SAndrew Thompson /* check if we should append a status stage */ 9290f7d4548SAndrew Thompson if (!xfer->flags_int.control_act) { 93002ac6454SAndrew Thompson 93102ac6454SAndrew Thompson /* 93202ac6454SAndrew Thompson * Send a DATA1 message and invert the current 93302ac6454SAndrew Thompson * endpoint direction. 93402ac6454SAndrew Thompson */ 93502ac6454SAndrew Thompson if (xfer->endpoint & UE_DIR_IN) { 93602ac6454SAndrew Thompson temp.func = &uss820dci_data_rx; 93702ac6454SAndrew Thompson need_sync = 0; 93802ac6454SAndrew Thompson } else { 93902ac6454SAndrew Thompson temp.func = &uss820dci_data_tx; 94002ac6454SAndrew Thompson need_sync = 1; 94102ac6454SAndrew Thompson } 94202ac6454SAndrew Thompson temp.len = 0; 94302ac6454SAndrew Thompson temp.short_pkt = 0; 94402ac6454SAndrew Thompson 94502ac6454SAndrew Thompson uss820dci_setup_standard_chain_sub(&temp); 94602ac6454SAndrew Thompson if (need_sync) { 94702ac6454SAndrew Thompson /* we need a SYNC point after TX */ 94802ac6454SAndrew Thompson temp.func = &uss820dci_data_tx_sync; 94902ac6454SAndrew Thompson uss820dci_setup_standard_chain_sub(&temp); 95002ac6454SAndrew Thompson } 95102ac6454SAndrew Thompson } 9520f7d4548SAndrew Thompson } 95302ac6454SAndrew Thompson /* must have at least one frame! */ 95402ac6454SAndrew Thompson td = temp.td; 95502ac6454SAndrew Thompson xfer->td_transfer_last = td; 95602ac6454SAndrew Thompson } 95702ac6454SAndrew Thompson 95802ac6454SAndrew Thompson static void 95902ac6454SAndrew Thompson uss820dci_timeout(void *arg) 96002ac6454SAndrew Thompson { 96102ac6454SAndrew Thompson struct usb2_xfer *xfer = arg; 96202ac6454SAndrew Thompson 96302ac6454SAndrew Thompson DPRINTF("xfer=%p\n", xfer); 96402ac6454SAndrew Thompson 96502ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); 96602ac6454SAndrew Thompson 96702ac6454SAndrew Thompson /* transfer is transferred */ 96802ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_TIMEOUT); 96902ac6454SAndrew Thompson } 97002ac6454SAndrew Thompson 97102ac6454SAndrew Thompson static void 97202ac6454SAndrew Thompson uss820dci_intr_set(struct usb2_xfer *xfer, uint8_t set) 97302ac6454SAndrew Thompson { 97402ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 97502ac6454SAndrew Thompson uint8_t ep_no = (xfer->endpoint & UE_ADDR); 97602ac6454SAndrew Thompson uint8_t ep_reg; 97702ac6454SAndrew Thompson uint8_t temp; 97802ac6454SAndrew Thompson 97902ac6454SAndrew Thompson DPRINTFN(15, "endpoint 0x%02x\n", xfer->endpoint); 98002ac6454SAndrew Thompson 98102ac6454SAndrew Thompson if (ep_no > 3) { 98202ac6454SAndrew Thompson ep_reg = USS820_SBIE1; 98302ac6454SAndrew Thompson } else { 98402ac6454SAndrew Thompson ep_reg = USS820_SBIE; 98502ac6454SAndrew Thompson } 98602ac6454SAndrew Thompson 98702ac6454SAndrew Thompson ep_no &= 3; 98802ac6454SAndrew Thompson ep_no = 1 << (2 * ep_no); 98902ac6454SAndrew Thompson 99002ac6454SAndrew Thompson if (xfer->flags_int.control_xfr) { 99102ac6454SAndrew Thompson if (xfer->flags_int.control_hdr) { 99202ac6454SAndrew Thompson ep_no <<= 1; /* RX interrupt only */ 99302ac6454SAndrew Thompson } else { 99402ac6454SAndrew Thompson ep_no |= (ep_no << 1); /* RX and TX interrupt */ 99502ac6454SAndrew Thompson } 99602ac6454SAndrew Thompson } else { 99702ac6454SAndrew Thompson if (!(xfer->endpoint & UE_DIR_IN)) { 99802ac6454SAndrew Thompson ep_no <<= 1; 99902ac6454SAndrew Thompson } 100002ac6454SAndrew Thompson } 100102ac6454SAndrew Thompson temp = USS820_READ_1(sc, ep_reg); 100202ac6454SAndrew Thompson if (set) { 100302ac6454SAndrew Thompson temp |= ep_no; 100402ac6454SAndrew Thompson } else { 100502ac6454SAndrew Thompson temp &= ~ep_no; 100602ac6454SAndrew Thompson } 100702ac6454SAndrew Thompson USS820_WRITE_1(sc, ep_reg, temp); 100802ac6454SAndrew Thompson } 100902ac6454SAndrew Thompson 101002ac6454SAndrew Thompson static void 101102ac6454SAndrew Thompson uss820dci_start_standard_chain(struct usb2_xfer *xfer) 101202ac6454SAndrew Thompson { 101302ac6454SAndrew Thompson DPRINTFN(9, "\n"); 101402ac6454SAndrew Thompson 101502ac6454SAndrew Thompson /* poll one time */ 101602ac6454SAndrew Thompson if (uss820dci_xfer_do_fifo(xfer)) { 101702ac6454SAndrew Thompson 101802ac6454SAndrew Thompson /* 101902ac6454SAndrew Thompson * Only enable the endpoint interrupt when we are 102002ac6454SAndrew Thompson * actually waiting for data, hence we are dealing 102102ac6454SAndrew Thompson * with level triggered interrupts ! 102202ac6454SAndrew Thompson */ 102302ac6454SAndrew Thompson uss820dci_intr_set(xfer, 1); 102402ac6454SAndrew Thompson 102502ac6454SAndrew Thompson /* put transfer on interrupt queue */ 102602ac6454SAndrew Thompson usb2_transfer_enqueue(&xfer->xroot->bus->intr_q, xfer); 102702ac6454SAndrew Thompson 102802ac6454SAndrew Thompson /* start timeout, if any */ 102902ac6454SAndrew Thompson if (xfer->timeout != 0) { 103002ac6454SAndrew Thompson usb2_transfer_timeout_ms(xfer, 103102ac6454SAndrew Thompson &uss820dci_timeout, xfer->timeout); 103202ac6454SAndrew Thompson } 103302ac6454SAndrew Thompson } 103402ac6454SAndrew Thompson } 103502ac6454SAndrew Thompson 103602ac6454SAndrew Thompson static void 103702ac6454SAndrew Thompson uss820dci_root_intr_done(struct usb2_xfer *xfer, 103802ac6454SAndrew Thompson struct usb2_sw_transfer *std) 103902ac6454SAndrew Thompson { 104002ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 104102ac6454SAndrew Thompson 104202ac6454SAndrew Thompson DPRINTFN(9, "\n"); 104302ac6454SAndrew Thompson 104402ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 104502ac6454SAndrew Thompson 104602ac6454SAndrew Thompson if (std->state != USB_SW_TR_PRE_DATA) { 104702ac6454SAndrew Thompson if (std->state == USB_SW_TR_PRE_CALLBACK) { 104802ac6454SAndrew Thompson /* transfer transferred */ 104902ac6454SAndrew Thompson uss820dci_device_done(xfer, std->err); 105002ac6454SAndrew Thompson } 105102ac6454SAndrew Thompson goto done; 105202ac6454SAndrew Thompson } 105302ac6454SAndrew Thompson /* setup buffer */ 105402ac6454SAndrew Thompson std->ptr = sc->sc_hub_idata; 105502ac6454SAndrew Thompson std->len = sizeof(sc->sc_hub_idata); 105602ac6454SAndrew Thompson 105702ac6454SAndrew Thompson /* set port bit */ 105802ac6454SAndrew Thompson sc->sc_hub_idata[0] = 0x02; /* we only have one port */ 105902ac6454SAndrew Thompson 106002ac6454SAndrew Thompson done: 106102ac6454SAndrew Thompson return; 106202ac6454SAndrew Thompson } 106302ac6454SAndrew Thompson 106402ac6454SAndrew Thompson static usb2_error_t 106502ac6454SAndrew Thompson uss820dci_standard_done_sub(struct usb2_xfer *xfer) 106602ac6454SAndrew Thompson { 106702ac6454SAndrew Thompson struct uss820dci_td *td; 106802ac6454SAndrew Thompson uint32_t len; 106902ac6454SAndrew Thompson uint8_t error; 107002ac6454SAndrew Thompson 107102ac6454SAndrew Thompson DPRINTFN(9, "\n"); 107202ac6454SAndrew Thompson 107302ac6454SAndrew Thompson td = xfer->td_transfer_cache; 107402ac6454SAndrew Thompson 107502ac6454SAndrew Thompson do { 107602ac6454SAndrew Thompson len = td->remainder; 107702ac6454SAndrew Thompson 107802ac6454SAndrew Thompson if (xfer->aframes != xfer->nframes) { 107902ac6454SAndrew Thompson /* 108002ac6454SAndrew Thompson * Verify the length and subtract 108102ac6454SAndrew Thompson * the remainder from "frlengths[]": 108202ac6454SAndrew Thompson */ 108302ac6454SAndrew Thompson if (len > xfer->frlengths[xfer->aframes]) { 108402ac6454SAndrew Thompson td->error = 1; 108502ac6454SAndrew Thompson } else { 108602ac6454SAndrew Thompson xfer->frlengths[xfer->aframes] -= len; 108702ac6454SAndrew Thompson } 108802ac6454SAndrew Thompson } 108902ac6454SAndrew Thompson /* Check for transfer error */ 109002ac6454SAndrew Thompson if (td->error) { 109102ac6454SAndrew Thompson /* the transfer is finished */ 109202ac6454SAndrew Thompson error = 1; 109302ac6454SAndrew Thompson td = NULL; 109402ac6454SAndrew Thompson break; 109502ac6454SAndrew Thompson } 109602ac6454SAndrew Thompson /* Check for short transfer */ 109702ac6454SAndrew Thompson if (len > 0) { 109802ac6454SAndrew Thompson if (xfer->flags_int.short_frames_ok) { 109902ac6454SAndrew Thompson /* follow alt next */ 110002ac6454SAndrew Thompson if (td->alt_next) { 110102ac6454SAndrew Thompson td = td->obj_next; 110202ac6454SAndrew Thompson } else { 110302ac6454SAndrew Thompson td = NULL; 110402ac6454SAndrew Thompson } 110502ac6454SAndrew Thompson } else { 110602ac6454SAndrew Thompson /* the transfer is finished */ 110702ac6454SAndrew Thompson td = NULL; 110802ac6454SAndrew Thompson } 110902ac6454SAndrew Thompson error = 0; 111002ac6454SAndrew Thompson break; 111102ac6454SAndrew Thompson } 111202ac6454SAndrew Thompson td = td->obj_next; 111302ac6454SAndrew Thompson 111402ac6454SAndrew Thompson /* this USB frame is complete */ 111502ac6454SAndrew Thompson error = 0; 111602ac6454SAndrew Thompson break; 111702ac6454SAndrew Thompson 111802ac6454SAndrew Thompson } while (0); 111902ac6454SAndrew Thompson 112002ac6454SAndrew Thompson /* update transfer cache */ 112102ac6454SAndrew Thompson 112202ac6454SAndrew Thompson xfer->td_transfer_cache = td; 112302ac6454SAndrew Thompson 112402ac6454SAndrew Thompson return (error ? 112502ac6454SAndrew Thompson USB_ERR_STALLED : USB_ERR_NORMAL_COMPLETION); 112602ac6454SAndrew Thompson } 112702ac6454SAndrew Thompson 112802ac6454SAndrew Thompson static void 112902ac6454SAndrew Thompson uss820dci_standard_done(struct usb2_xfer *xfer) 113002ac6454SAndrew Thompson { 113102ac6454SAndrew Thompson usb2_error_t err = 0; 113202ac6454SAndrew Thompson 113302ac6454SAndrew Thompson DPRINTFN(13, "xfer=%p pipe=%p transfer done\n", 113402ac6454SAndrew Thompson xfer, xfer->pipe); 113502ac6454SAndrew Thompson 113602ac6454SAndrew Thompson /* reset scanner */ 113702ac6454SAndrew Thompson 113802ac6454SAndrew Thompson xfer->td_transfer_cache = xfer->td_transfer_first; 113902ac6454SAndrew Thompson 114002ac6454SAndrew Thompson if (xfer->flags_int.control_xfr) { 114102ac6454SAndrew Thompson 114202ac6454SAndrew Thompson if (xfer->flags_int.control_hdr) { 114302ac6454SAndrew Thompson 114402ac6454SAndrew Thompson err = uss820dci_standard_done_sub(xfer); 114502ac6454SAndrew Thompson } 114602ac6454SAndrew Thompson xfer->aframes = 1; 114702ac6454SAndrew Thompson 114802ac6454SAndrew Thompson if (xfer->td_transfer_cache == NULL) { 114902ac6454SAndrew Thompson goto done; 115002ac6454SAndrew Thompson } 115102ac6454SAndrew Thompson } 115202ac6454SAndrew Thompson while (xfer->aframes != xfer->nframes) { 115302ac6454SAndrew Thompson 115402ac6454SAndrew Thompson err = uss820dci_standard_done_sub(xfer); 115502ac6454SAndrew Thompson xfer->aframes++; 115602ac6454SAndrew Thompson 115702ac6454SAndrew Thompson if (xfer->td_transfer_cache == NULL) { 115802ac6454SAndrew Thompson goto done; 115902ac6454SAndrew Thompson } 116002ac6454SAndrew Thompson } 116102ac6454SAndrew Thompson 116202ac6454SAndrew Thompson if (xfer->flags_int.control_xfr && 116302ac6454SAndrew Thompson !xfer->flags_int.control_act) { 116402ac6454SAndrew Thompson 116502ac6454SAndrew Thompson err = uss820dci_standard_done_sub(xfer); 116602ac6454SAndrew Thompson } 116702ac6454SAndrew Thompson done: 116802ac6454SAndrew Thompson uss820dci_device_done(xfer, err); 116902ac6454SAndrew Thompson } 117002ac6454SAndrew Thompson 117102ac6454SAndrew Thompson /*------------------------------------------------------------------------* 117202ac6454SAndrew Thompson * uss820dci_device_done 117302ac6454SAndrew Thompson * 117402ac6454SAndrew Thompson * NOTE: this function can be called more than one time on the 117502ac6454SAndrew Thompson * same USB transfer! 117602ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 117702ac6454SAndrew Thompson static void 117802ac6454SAndrew Thompson uss820dci_device_done(struct usb2_xfer *xfer, usb2_error_t error) 117902ac6454SAndrew Thompson { 118002ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); 118102ac6454SAndrew Thompson 118202ac6454SAndrew Thompson DPRINTFN(2, "xfer=%p, pipe=%p, error=%d\n", 118302ac6454SAndrew Thompson xfer, xfer->pipe, error); 118402ac6454SAndrew Thompson 118502ac6454SAndrew Thompson if (xfer->flags_int.usb2_mode == USB_MODE_DEVICE) { 118602ac6454SAndrew Thompson uss820dci_intr_set(xfer, 0); 118702ac6454SAndrew Thompson } 118802ac6454SAndrew Thompson /* dequeue transfer and start next transfer */ 118902ac6454SAndrew Thompson usb2_transfer_done(xfer, error); 119002ac6454SAndrew Thompson } 119102ac6454SAndrew Thompson 119202ac6454SAndrew Thompson static void 119302ac6454SAndrew Thompson uss820dci_set_stall(struct usb2_device *udev, struct usb2_xfer *xfer, 119402ac6454SAndrew Thompson struct usb2_pipe *pipe) 119502ac6454SAndrew Thompson { 119602ac6454SAndrew Thompson struct uss820dci_softc *sc; 119702ac6454SAndrew Thompson uint8_t ep_no; 119802ac6454SAndrew Thompson uint8_t ep_type; 119902ac6454SAndrew Thompson uint8_t ep_dir; 120002ac6454SAndrew Thompson uint8_t temp; 120102ac6454SAndrew Thompson 120202ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(udev->bus, MA_OWNED); 120302ac6454SAndrew Thompson 120402ac6454SAndrew Thompson DPRINTFN(5, "pipe=%p\n", pipe); 120502ac6454SAndrew Thompson 120602ac6454SAndrew Thompson if (xfer) { 120702ac6454SAndrew Thompson /* cancel any ongoing transfers */ 120802ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_STALLED); 120902ac6454SAndrew Thompson } 121002ac6454SAndrew Thompson /* set FORCESTALL */ 121102ac6454SAndrew Thompson sc = USS820_DCI_BUS2SC(udev->bus); 121202ac6454SAndrew Thompson ep_no = (pipe->edesc->bEndpointAddress & UE_ADDR); 121302ac6454SAndrew Thompson ep_dir = (pipe->edesc->bEndpointAddress & (UE_DIR_IN | UE_DIR_OUT)); 121402ac6454SAndrew Thompson ep_type = (pipe->edesc->bmAttributes & UE_XFERTYPE); 121502ac6454SAndrew Thompson 121602ac6454SAndrew Thompson if (ep_type == UE_CONTROL) { 121702ac6454SAndrew Thompson /* should not happen */ 121802ac6454SAndrew Thompson return; 121902ac6454SAndrew Thompson } 122002ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_EPINDEX, ep_no); 122102ac6454SAndrew Thompson 122202ac6454SAndrew Thompson if (ep_dir == UE_DIR_IN) { 122302ac6454SAndrew Thompson temp = USS820_EPCON_TXSTL; 122402ac6454SAndrew Thompson } else { 122502ac6454SAndrew Thompson temp = USS820_EPCON_RXSTL; 122602ac6454SAndrew Thompson } 122702ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, temp); 122802ac6454SAndrew Thompson } 122902ac6454SAndrew Thompson 123002ac6454SAndrew Thompson static void 123102ac6454SAndrew Thompson uss820dci_clear_stall_sub(struct uss820dci_softc *sc, 123202ac6454SAndrew Thompson uint8_t ep_no, uint8_t ep_type, uint8_t ep_dir) 123302ac6454SAndrew Thompson { 123402ac6454SAndrew Thompson uint8_t temp; 123502ac6454SAndrew Thompson 123602ac6454SAndrew Thompson if (ep_type == UE_CONTROL) { 123702ac6454SAndrew Thompson /* clearing stall is not needed */ 123802ac6454SAndrew Thompson return; 123902ac6454SAndrew Thompson } 124002ac6454SAndrew Thompson /* select endpoint index */ 124102ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_EPINDEX, ep_no); 124202ac6454SAndrew Thompson 124302ac6454SAndrew Thompson /* clear stall and disable I/O transfers */ 124402ac6454SAndrew Thompson if (ep_dir == UE_DIR_IN) { 124502ac6454SAndrew Thompson temp = 0xFF ^ (USS820_EPCON_TXOE | 124602ac6454SAndrew Thompson USS820_EPCON_TXSTL); 124702ac6454SAndrew Thompson } else { 124802ac6454SAndrew Thompson temp = 0xFF ^ (USS820_EPCON_RXIE | 124902ac6454SAndrew Thompson USS820_EPCON_RXSTL); 125002ac6454SAndrew Thompson } 125102ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_EPCON, temp, 0); 125202ac6454SAndrew Thompson 125302ac6454SAndrew Thompson if (ep_dir == UE_DIR_IN) { 125402ac6454SAndrew Thompson /* reset data toggle */ 125502ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_TXSTAT, 125602ac6454SAndrew Thompson USS820_TXSTAT_TXSOVW); 125702ac6454SAndrew Thompson 125802ac6454SAndrew Thompson /* reset FIFO */ 125902ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_TXCON); 126002ac6454SAndrew Thompson temp |= USS820_TXCON_TXCLR; 126102ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_TXCON, temp); 126202ac6454SAndrew Thompson temp &= ~USS820_TXCON_TXCLR; 126302ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_TXCON, temp); 126402ac6454SAndrew Thompson } else { 126502ac6454SAndrew Thompson 126602ac6454SAndrew Thompson /* reset data toggle */ 126702ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_RXSTAT, 126802ac6454SAndrew Thompson 0, USS820_RXSTAT_RXSOVW); 126902ac6454SAndrew Thompson 127002ac6454SAndrew Thompson /* reset FIFO */ 127102ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_RXCON); 127202ac6454SAndrew Thompson temp |= USS820_RXCON_RXCLR; 127302ac6454SAndrew Thompson temp &= ~USS820_RXCON_RXFFRC; 127402ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_RXCON, temp); 127502ac6454SAndrew Thompson temp &= ~USS820_RXCON_RXCLR; 127602ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_RXCON, temp); 127702ac6454SAndrew Thompson } 127802ac6454SAndrew Thompson } 127902ac6454SAndrew Thompson 128002ac6454SAndrew Thompson static void 128102ac6454SAndrew Thompson uss820dci_clear_stall(struct usb2_device *udev, struct usb2_pipe *pipe) 128202ac6454SAndrew Thompson { 128302ac6454SAndrew Thompson struct uss820dci_softc *sc; 128402ac6454SAndrew Thompson struct usb2_endpoint_descriptor *ed; 128502ac6454SAndrew Thompson 128602ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(udev->bus, MA_OWNED); 128702ac6454SAndrew Thompson 128802ac6454SAndrew Thompson DPRINTFN(5, "pipe=%p\n", pipe); 128902ac6454SAndrew Thompson 129002ac6454SAndrew Thompson /* check mode */ 129102ac6454SAndrew Thompson if (udev->flags.usb2_mode != USB_MODE_DEVICE) { 129202ac6454SAndrew Thompson /* not supported */ 129302ac6454SAndrew Thompson return; 129402ac6454SAndrew Thompson } 129502ac6454SAndrew Thompson /* get softc */ 129602ac6454SAndrew Thompson sc = USS820_DCI_BUS2SC(udev->bus); 129702ac6454SAndrew Thompson 129802ac6454SAndrew Thompson /* get endpoint descriptor */ 129902ac6454SAndrew Thompson ed = pipe->edesc; 130002ac6454SAndrew Thompson 130102ac6454SAndrew Thompson /* reset endpoint */ 130202ac6454SAndrew Thompson uss820dci_clear_stall_sub(sc, 130302ac6454SAndrew Thompson (ed->bEndpointAddress & UE_ADDR), 130402ac6454SAndrew Thompson (ed->bmAttributes & UE_XFERTYPE), 130502ac6454SAndrew Thompson (ed->bEndpointAddress & (UE_DIR_IN | UE_DIR_OUT))); 130602ac6454SAndrew Thompson } 130702ac6454SAndrew Thompson 130802ac6454SAndrew Thompson usb2_error_t 130902ac6454SAndrew Thompson uss820dci_init(struct uss820dci_softc *sc) 131002ac6454SAndrew Thompson { 131102ac6454SAndrew Thompson const struct usb2_hw_ep_profile *pf; 131202ac6454SAndrew Thompson uint8_t n; 131302ac6454SAndrew Thompson uint8_t temp; 131402ac6454SAndrew Thompson 131502ac6454SAndrew Thompson DPRINTF("start\n"); 131602ac6454SAndrew Thompson 131702ac6454SAndrew Thompson /* set up the bus structure */ 131802ac6454SAndrew Thompson sc->sc_bus.usbrev = USB_REV_1_1; 131902ac6454SAndrew Thompson sc->sc_bus.methods = &uss820dci_bus_methods; 132002ac6454SAndrew Thompson 132102ac6454SAndrew Thompson USB_BUS_LOCK(&sc->sc_bus); 132202ac6454SAndrew Thompson 132302ac6454SAndrew Thompson /* we always have VBUS */ 132402ac6454SAndrew Thompson sc->sc_flags.status_vbus = 1; 132502ac6454SAndrew Thompson 132602ac6454SAndrew Thompson /* reset the chip */ 132702ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCR, USS820_SCR_SRESET); 132802ac6454SAndrew Thompson DELAY(100); 132902ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCR, 0); 133002ac6454SAndrew Thompson 133102ac6454SAndrew Thompson /* wait for reset to complete */ 133202ac6454SAndrew Thompson for (n = 0;; n++) { 133302ac6454SAndrew Thompson 133402ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_MCSR); 133502ac6454SAndrew Thompson 133602ac6454SAndrew Thompson if (temp & USS820_MCSR_INIT) { 133702ac6454SAndrew Thompson break; 133802ac6454SAndrew Thompson } 133902ac6454SAndrew Thompson if (n == 100) { 134002ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 134102ac6454SAndrew Thompson return (USB_ERR_INVAL); 134202ac6454SAndrew Thompson } 134302ac6454SAndrew Thompson /* wait a little for things to stabilise */ 134402ac6454SAndrew Thompson DELAY(100); 134502ac6454SAndrew Thompson } 134602ac6454SAndrew Thompson 134702ac6454SAndrew Thompson /* do a pulldown */ 134802ac6454SAndrew Thompson uss820dci_pull_down(sc); 134902ac6454SAndrew Thompson 135002ac6454SAndrew Thompson /* wait 10ms for pulldown to stabilise */ 135102ac6454SAndrew Thompson usb2_pause_mtx(&sc->sc_bus.bus_mtx, hz / 100); 135202ac6454SAndrew Thompson 135302ac6454SAndrew Thompson /* check hardware revision */ 135402ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_REV); 135502ac6454SAndrew Thompson 135602ac6454SAndrew Thompson if (temp < 0x13) { 135702ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 135802ac6454SAndrew Thompson return (USB_ERR_INVAL); 135902ac6454SAndrew Thompson } 136002ac6454SAndrew Thompson /* enable interrupts */ 136102ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCR, 136202ac6454SAndrew Thompson USS820_SCR_T_IRQ | 136302ac6454SAndrew Thompson USS820_SCR_IE_RESET | 136402ac6454SAndrew Thompson /* USS820_SCR_RWUPE | */ 136502ac6454SAndrew Thompson USS820_SCR_IE_SUSP | 136602ac6454SAndrew Thompson USS820_SCR_IRQPOL); 136702ac6454SAndrew Thompson 136802ac6454SAndrew Thompson /* enable interrupts */ 136902ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCRATCH, 137002ac6454SAndrew Thompson USS820_SCRATCH_IE_RESUME); 137102ac6454SAndrew Thompson 137202ac6454SAndrew Thompson /* enable features */ 137302ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_MCSR, 137402ac6454SAndrew Thompson USS820_MCSR_BDFEAT | 137502ac6454SAndrew Thompson USS820_MCSR_FEAT); 137602ac6454SAndrew Thompson 137702ac6454SAndrew Thompson sc->sc_flags.mcsr_feat = 1; 137802ac6454SAndrew Thompson 137902ac6454SAndrew Thompson /* disable interrupts */ 138002ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SBIE, 0); 138102ac6454SAndrew Thompson 138202ac6454SAndrew Thompson /* disable interrupts */ 138302ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SBIE1, 0); 138402ac6454SAndrew Thompson 138502ac6454SAndrew Thompson /* disable all endpoints */ 138602ac6454SAndrew Thompson for (n = 0; n != USS820_EP_MAX; n++) { 138702ac6454SAndrew Thompson 138802ac6454SAndrew Thompson /* select endpoint */ 138902ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_EPINDEX, n); 139002ac6454SAndrew Thompson 139102ac6454SAndrew Thompson /* disable endpoint */ 139202ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_EPCON, 0, 0); 139302ac6454SAndrew Thompson } 139402ac6454SAndrew Thompson 139502ac6454SAndrew Thompson /* 139602ac6454SAndrew Thompson * Initialise default values for some registers that cannot be 139702ac6454SAndrew Thompson * changed during operation! 139802ac6454SAndrew Thompson */ 139902ac6454SAndrew Thompson for (n = 0; n != USS820_EP_MAX; n++) { 140002ac6454SAndrew Thompson 140102ac6454SAndrew Thompson uss820dci_get_hw_ep_profile(NULL, &pf, n); 140202ac6454SAndrew Thompson 140302ac6454SAndrew Thompson /* the maximum frame sizes should be the same */ 140402ac6454SAndrew Thompson if (pf->max_in_frame_size != pf->max_out_frame_size) { 140502ac6454SAndrew Thompson DPRINTF("Max frame size mismatch %u != %u\n", 140602ac6454SAndrew Thompson pf->max_in_frame_size, pf->max_out_frame_size); 140702ac6454SAndrew Thompson } 140802ac6454SAndrew Thompson if (pf->support_isochronous) { 140902ac6454SAndrew Thompson if (pf->max_in_frame_size <= 64) { 141002ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_16_64 | 141102ac6454SAndrew Thompson USS820_TXCON_TXISO | 141202ac6454SAndrew Thompson USS820_TXCON_ATM); 141302ac6454SAndrew Thompson } else if (pf->max_in_frame_size <= 256) { 141402ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_64_256 | 141502ac6454SAndrew Thompson USS820_TXCON_TXISO | 141602ac6454SAndrew Thompson USS820_TXCON_ATM); 141702ac6454SAndrew Thompson } else if (pf->max_in_frame_size <= 512) { 141802ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_8_512 | 141902ac6454SAndrew Thompson USS820_TXCON_TXISO | 142002ac6454SAndrew Thompson USS820_TXCON_ATM); 142102ac6454SAndrew Thompson } else { /* 1024 bytes */ 142202ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_32_1024 | 142302ac6454SAndrew Thompson USS820_TXCON_TXISO | 142402ac6454SAndrew Thompson USS820_TXCON_ATM); 142502ac6454SAndrew Thompson } 142602ac6454SAndrew Thompson } else { 142702ac6454SAndrew Thompson if ((pf->max_in_frame_size <= 8) && 142802ac6454SAndrew Thompson (sc->sc_flags.mcsr_feat)) { 142902ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_8_512 | 143002ac6454SAndrew Thompson USS820_TXCON_ATM); 143102ac6454SAndrew Thompson } else if (pf->max_in_frame_size <= 16) { 143202ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_16_64 | 143302ac6454SAndrew Thompson USS820_TXCON_ATM); 143402ac6454SAndrew Thompson } else if ((pf->max_in_frame_size <= 32) && 143502ac6454SAndrew Thompson (sc->sc_flags.mcsr_feat)) { 143602ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_32_1024 | 143702ac6454SAndrew Thompson USS820_TXCON_ATM); 143802ac6454SAndrew Thompson } else { /* 64 bytes */ 143902ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_64_256 | 144002ac6454SAndrew Thompson USS820_TXCON_ATM); 144102ac6454SAndrew Thompson } 144202ac6454SAndrew Thompson } 144302ac6454SAndrew Thompson 144402ac6454SAndrew Thompson /* need to configure the chip early */ 144502ac6454SAndrew Thompson 144602ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_EPINDEX, n); 144702ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_TXCON, temp); 144802ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_RXCON, temp); 144902ac6454SAndrew Thompson 145002ac6454SAndrew Thompson if (pf->support_control) { 145102ac6454SAndrew Thompson temp = USS820_EPCON_CTLEP | 145202ac6454SAndrew Thompson USS820_EPCON_RXSPM | 145302ac6454SAndrew Thompson USS820_EPCON_RXIE | 145402ac6454SAndrew Thompson USS820_EPCON_RXEPEN | 145502ac6454SAndrew Thompson USS820_EPCON_TXOE | 145602ac6454SAndrew Thompson USS820_EPCON_TXEPEN; 145702ac6454SAndrew Thompson } else { 145802ac6454SAndrew Thompson temp = USS820_EPCON_RXEPEN | USS820_EPCON_TXEPEN; 145902ac6454SAndrew Thompson } 146002ac6454SAndrew Thompson 146102ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, temp); 146202ac6454SAndrew Thompson } 146302ac6454SAndrew Thompson 146402ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 146502ac6454SAndrew Thompson 146602ac6454SAndrew Thompson /* catch any lost interrupts */ 146702ac6454SAndrew Thompson 146802ac6454SAndrew Thompson uss820dci_do_poll(&sc->sc_bus); 146902ac6454SAndrew Thompson 147002ac6454SAndrew Thompson return (0); /* success */ 147102ac6454SAndrew Thompson } 147202ac6454SAndrew Thompson 147302ac6454SAndrew Thompson void 147402ac6454SAndrew Thompson uss820dci_uninit(struct uss820dci_softc *sc) 147502ac6454SAndrew Thompson { 147602ac6454SAndrew Thompson uint8_t temp; 147702ac6454SAndrew Thompson 147802ac6454SAndrew Thompson USB_BUS_LOCK(&sc->sc_bus); 147902ac6454SAndrew Thompson 148002ac6454SAndrew Thompson /* disable all interrupts */ 148102ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_SCR); 148202ac6454SAndrew Thompson temp &= ~USS820_SCR_T_IRQ; 148302ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCR, temp); 148402ac6454SAndrew Thompson 148502ac6454SAndrew Thompson sc->sc_flags.port_powered = 0; 148602ac6454SAndrew Thompson sc->sc_flags.status_vbus = 0; 148702ac6454SAndrew Thompson sc->sc_flags.status_bus_reset = 0; 148802ac6454SAndrew Thompson sc->sc_flags.status_suspend = 0; 148902ac6454SAndrew Thompson sc->sc_flags.change_suspend = 0; 149002ac6454SAndrew Thompson sc->sc_flags.change_connect = 1; 149102ac6454SAndrew Thompson 149202ac6454SAndrew Thompson uss820dci_pull_down(sc); 149302ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 149402ac6454SAndrew Thompson } 149502ac6454SAndrew Thompson 149602ac6454SAndrew Thompson void 149702ac6454SAndrew Thompson uss820dci_suspend(struct uss820dci_softc *sc) 149802ac6454SAndrew Thompson { 149902ac6454SAndrew Thompson return; 150002ac6454SAndrew Thompson } 150102ac6454SAndrew Thompson 150202ac6454SAndrew Thompson void 150302ac6454SAndrew Thompson uss820dci_resume(struct uss820dci_softc *sc) 150402ac6454SAndrew Thompson { 150502ac6454SAndrew Thompson return; 150602ac6454SAndrew Thompson } 150702ac6454SAndrew Thompson 150802ac6454SAndrew Thompson static void 150902ac6454SAndrew Thompson uss820dci_do_poll(struct usb2_bus *bus) 151002ac6454SAndrew Thompson { 151102ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(bus); 151202ac6454SAndrew Thompson 151302ac6454SAndrew Thompson USB_BUS_LOCK(&sc->sc_bus); 151402ac6454SAndrew Thompson uss820dci_interrupt_poll(sc); 151502ac6454SAndrew Thompson uss820dci_root_ctrl_poll(sc); 151602ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 151702ac6454SAndrew Thompson } 151802ac6454SAndrew Thompson 151902ac6454SAndrew Thompson /*------------------------------------------------------------------------* 152002ac6454SAndrew Thompson * at91dci bulk support 152102ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 152202ac6454SAndrew Thompson static void 152302ac6454SAndrew Thompson uss820dci_device_bulk_open(struct usb2_xfer *xfer) 152402ac6454SAndrew Thompson { 152502ac6454SAndrew Thompson return; 152602ac6454SAndrew Thompson } 152702ac6454SAndrew Thompson 152802ac6454SAndrew Thompson static void 152902ac6454SAndrew Thompson uss820dci_device_bulk_close(struct usb2_xfer *xfer) 153002ac6454SAndrew Thompson { 153102ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_CANCELLED); 153202ac6454SAndrew Thompson } 153302ac6454SAndrew Thompson 153402ac6454SAndrew Thompson static void 153502ac6454SAndrew Thompson uss820dci_device_bulk_enter(struct usb2_xfer *xfer) 153602ac6454SAndrew Thompson { 153702ac6454SAndrew Thompson return; 153802ac6454SAndrew Thompson } 153902ac6454SAndrew Thompson 154002ac6454SAndrew Thompson static void 154102ac6454SAndrew Thompson uss820dci_device_bulk_start(struct usb2_xfer *xfer) 154202ac6454SAndrew Thompson { 154302ac6454SAndrew Thompson /* setup TDs */ 154402ac6454SAndrew Thompson uss820dci_setup_standard_chain(xfer); 154502ac6454SAndrew Thompson uss820dci_start_standard_chain(xfer); 154602ac6454SAndrew Thompson } 154702ac6454SAndrew Thompson 154802ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_bulk_methods = 154902ac6454SAndrew Thompson { 155002ac6454SAndrew Thompson .open = uss820dci_device_bulk_open, 155102ac6454SAndrew Thompson .close = uss820dci_device_bulk_close, 155202ac6454SAndrew Thompson .enter = uss820dci_device_bulk_enter, 155302ac6454SAndrew Thompson .start = uss820dci_device_bulk_start, 155402ac6454SAndrew Thompson .enter_is_cancelable = 1, 155502ac6454SAndrew Thompson .start_is_cancelable = 1, 155602ac6454SAndrew Thompson }; 155702ac6454SAndrew Thompson 155802ac6454SAndrew Thompson /*------------------------------------------------------------------------* 155902ac6454SAndrew Thompson * at91dci control support 156002ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 156102ac6454SAndrew Thompson static void 156202ac6454SAndrew Thompson uss820dci_device_ctrl_open(struct usb2_xfer *xfer) 156302ac6454SAndrew Thompson { 156402ac6454SAndrew Thompson return; 156502ac6454SAndrew Thompson } 156602ac6454SAndrew Thompson 156702ac6454SAndrew Thompson static void 156802ac6454SAndrew Thompson uss820dci_device_ctrl_close(struct usb2_xfer *xfer) 156902ac6454SAndrew Thompson { 157002ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_CANCELLED); 157102ac6454SAndrew Thompson } 157202ac6454SAndrew Thompson 157302ac6454SAndrew Thompson static void 157402ac6454SAndrew Thompson uss820dci_device_ctrl_enter(struct usb2_xfer *xfer) 157502ac6454SAndrew Thompson { 157602ac6454SAndrew Thompson return; 157702ac6454SAndrew Thompson } 157802ac6454SAndrew Thompson 157902ac6454SAndrew Thompson static void 158002ac6454SAndrew Thompson uss820dci_device_ctrl_start(struct usb2_xfer *xfer) 158102ac6454SAndrew Thompson { 158202ac6454SAndrew Thompson /* setup TDs */ 158302ac6454SAndrew Thompson uss820dci_setup_standard_chain(xfer); 158402ac6454SAndrew Thompson uss820dci_start_standard_chain(xfer); 158502ac6454SAndrew Thompson } 158602ac6454SAndrew Thompson 158702ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_ctrl_methods = 158802ac6454SAndrew Thompson { 158902ac6454SAndrew Thompson .open = uss820dci_device_ctrl_open, 159002ac6454SAndrew Thompson .close = uss820dci_device_ctrl_close, 159102ac6454SAndrew Thompson .enter = uss820dci_device_ctrl_enter, 159202ac6454SAndrew Thompson .start = uss820dci_device_ctrl_start, 159302ac6454SAndrew Thompson .enter_is_cancelable = 1, 159402ac6454SAndrew Thompson .start_is_cancelable = 1, 159502ac6454SAndrew Thompson }; 159602ac6454SAndrew Thompson 159702ac6454SAndrew Thompson /*------------------------------------------------------------------------* 159802ac6454SAndrew Thompson * at91dci interrupt support 159902ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 160002ac6454SAndrew Thompson static void 160102ac6454SAndrew Thompson uss820dci_device_intr_open(struct usb2_xfer *xfer) 160202ac6454SAndrew Thompson { 160302ac6454SAndrew Thompson return; 160402ac6454SAndrew Thompson } 160502ac6454SAndrew Thompson 160602ac6454SAndrew Thompson static void 160702ac6454SAndrew Thompson uss820dci_device_intr_close(struct usb2_xfer *xfer) 160802ac6454SAndrew Thompson { 160902ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_CANCELLED); 161002ac6454SAndrew Thompson } 161102ac6454SAndrew Thompson 161202ac6454SAndrew Thompson static void 161302ac6454SAndrew Thompson uss820dci_device_intr_enter(struct usb2_xfer *xfer) 161402ac6454SAndrew Thompson { 161502ac6454SAndrew Thompson return; 161602ac6454SAndrew Thompson } 161702ac6454SAndrew Thompson 161802ac6454SAndrew Thompson static void 161902ac6454SAndrew Thompson uss820dci_device_intr_start(struct usb2_xfer *xfer) 162002ac6454SAndrew Thompson { 162102ac6454SAndrew Thompson /* setup TDs */ 162202ac6454SAndrew Thompson uss820dci_setup_standard_chain(xfer); 162302ac6454SAndrew Thompson uss820dci_start_standard_chain(xfer); 162402ac6454SAndrew Thompson } 162502ac6454SAndrew Thompson 162602ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_intr_methods = 162702ac6454SAndrew Thompson { 162802ac6454SAndrew Thompson .open = uss820dci_device_intr_open, 162902ac6454SAndrew Thompson .close = uss820dci_device_intr_close, 163002ac6454SAndrew Thompson .enter = uss820dci_device_intr_enter, 163102ac6454SAndrew Thompson .start = uss820dci_device_intr_start, 163202ac6454SAndrew Thompson .enter_is_cancelable = 1, 163302ac6454SAndrew Thompson .start_is_cancelable = 1, 163402ac6454SAndrew Thompson }; 163502ac6454SAndrew Thompson 163602ac6454SAndrew Thompson /*------------------------------------------------------------------------* 163702ac6454SAndrew Thompson * at91dci full speed isochronous support 163802ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 163902ac6454SAndrew Thompson static void 164002ac6454SAndrew Thompson uss820dci_device_isoc_fs_open(struct usb2_xfer *xfer) 164102ac6454SAndrew Thompson { 164202ac6454SAndrew Thompson return; 164302ac6454SAndrew Thompson } 164402ac6454SAndrew Thompson 164502ac6454SAndrew Thompson static void 164602ac6454SAndrew Thompson uss820dci_device_isoc_fs_close(struct usb2_xfer *xfer) 164702ac6454SAndrew Thompson { 164802ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_CANCELLED); 164902ac6454SAndrew Thompson } 165002ac6454SAndrew Thompson 165102ac6454SAndrew Thompson static void 165202ac6454SAndrew Thompson uss820dci_device_isoc_fs_enter(struct usb2_xfer *xfer) 165302ac6454SAndrew Thompson { 165402ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 165502ac6454SAndrew Thompson uint32_t temp; 165602ac6454SAndrew Thompson uint32_t nframes; 165702ac6454SAndrew Thompson 165802ac6454SAndrew Thompson DPRINTFN(6, "xfer=%p next=%d nframes=%d\n", 165902ac6454SAndrew Thompson xfer, xfer->pipe->isoc_next, xfer->nframes); 166002ac6454SAndrew Thompson 166102ac6454SAndrew Thompson /* get the current frame index - we don't need the high bits */ 166202ac6454SAndrew Thompson 166302ac6454SAndrew Thompson nframes = USS820_READ_1(sc, USS820_SOFL); 166402ac6454SAndrew Thompson 166502ac6454SAndrew Thompson /* 166602ac6454SAndrew Thompson * check if the frame index is within the window where the 166702ac6454SAndrew Thompson * frames will be inserted 166802ac6454SAndrew Thompson */ 166902ac6454SAndrew Thompson temp = (nframes - xfer->pipe->isoc_next) & USS820_SOFL_MASK; 167002ac6454SAndrew Thompson 167102ac6454SAndrew Thompson if ((xfer->pipe->is_synced == 0) || 167202ac6454SAndrew Thompson (temp < xfer->nframes)) { 167302ac6454SAndrew Thompson /* 167402ac6454SAndrew Thompson * If there is data underflow or the pipe queue is 167502ac6454SAndrew Thompson * empty we schedule the transfer a few frames ahead 167602ac6454SAndrew Thompson * of the current frame position. Else two isochronous 167702ac6454SAndrew Thompson * transfers might overlap. 167802ac6454SAndrew Thompson */ 167902ac6454SAndrew Thompson xfer->pipe->isoc_next = (nframes + 3) & USS820_SOFL_MASK; 168002ac6454SAndrew Thompson xfer->pipe->is_synced = 1; 168102ac6454SAndrew Thompson DPRINTFN(3, "start next=%d\n", xfer->pipe->isoc_next); 168202ac6454SAndrew Thompson } 168302ac6454SAndrew Thompson /* 168402ac6454SAndrew Thompson * compute how many milliseconds the insertion is ahead of the 168502ac6454SAndrew Thompson * current frame position: 168602ac6454SAndrew Thompson */ 168702ac6454SAndrew Thompson temp = (xfer->pipe->isoc_next - nframes) & USS820_SOFL_MASK; 168802ac6454SAndrew Thompson 168902ac6454SAndrew Thompson /* 169002ac6454SAndrew Thompson * pre-compute when the isochronous transfer will be finished: 169102ac6454SAndrew Thompson */ 169202ac6454SAndrew Thompson xfer->isoc_time_complete = 169302ac6454SAndrew Thompson usb2_isoc_time_expand(&sc->sc_bus, nframes) + temp + 169402ac6454SAndrew Thompson xfer->nframes; 169502ac6454SAndrew Thompson 169602ac6454SAndrew Thompson /* compute frame number for next insertion */ 169702ac6454SAndrew Thompson xfer->pipe->isoc_next += xfer->nframes; 169802ac6454SAndrew Thompson 169902ac6454SAndrew Thompson /* setup TDs */ 170002ac6454SAndrew Thompson uss820dci_setup_standard_chain(xfer); 170102ac6454SAndrew Thompson } 170202ac6454SAndrew Thompson 170302ac6454SAndrew Thompson static void 170402ac6454SAndrew Thompson uss820dci_device_isoc_fs_start(struct usb2_xfer *xfer) 170502ac6454SAndrew Thompson { 170602ac6454SAndrew Thompson /* start TD chain */ 170702ac6454SAndrew Thompson uss820dci_start_standard_chain(xfer); 170802ac6454SAndrew Thompson } 170902ac6454SAndrew Thompson 171002ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_isoc_fs_methods = 171102ac6454SAndrew Thompson { 171202ac6454SAndrew Thompson .open = uss820dci_device_isoc_fs_open, 171302ac6454SAndrew Thompson .close = uss820dci_device_isoc_fs_close, 171402ac6454SAndrew Thompson .enter = uss820dci_device_isoc_fs_enter, 171502ac6454SAndrew Thompson .start = uss820dci_device_isoc_fs_start, 171602ac6454SAndrew Thompson .enter_is_cancelable = 1, 171702ac6454SAndrew Thompson .start_is_cancelable = 1, 171802ac6454SAndrew Thompson }; 171902ac6454SAndrew Thompson 172002ac6454SAndrew Thompson /*------------------------------------------------------------------------* 172102ac6454SAndrew Thompson * at91dci root control support 172202ac6454SAndrew Thompson *------------------------------------------------------------------------* 172302ac6454SAndrew Thompson * simulate a hardware HUB by handling 172402ac6454SAndrew Thompson * all the necessary requests 172502ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 172602ac6454SAndrew Thompson 172702ac6454SAndrew Thompson static void 172802ac6454SAndrew Thompson uss820dci_root_ctrl_open(struct usb2_xfer *xfer) 172902ac6454SAndrew Thompson { 173002ac6454SAndrew Thompson return; 173102ac6454SAndrew Thompson } 173202ac6454SAndrew Thompson 173302ac6454SAndrew Thompson static void 173402ac6454SAndrew Thompson uss820dci_root_ctrl_close(struct usb2_xfer *xfer) 173502ac6454SAndrew Thompson { 173602ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 173702ac6454SAndrew Thompson 173802ac6454SAndrew Thompson if (sc->sc_root_ctrl.xfer == xfer) { 173902ac6454SAndrew Thompson sc->sc_root_ctrl.xfer = NULL; 174002ac6454SAndrew Thompson } 174102ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_CANCELLED); 174202ac6454SAndrew Thompson } 174302ac6454SAndrew Thompson 174402ac6454SAndrew Thompson /* 174502ac6454SAndrew Thompson * USB descriptors for the virtual Root HUB: 174602ac6454SAndrew Thompson */ 174702ac6454SAndrew Thompson 174802ac6454SAndrew Thompson static const struct usb2_device_descriptor uss820dci_devd = { 174902ac6454SAndrew Thompson .bLength = sizeof(struct usb2_device_descriptor), 175002ac6454SAndrew Thompson .bDescriptorType = UDESC_DEVICE, 175102ac6454SAndrew Thompson .bcdUSB = {0x00, 0x02}, 175202ac6454SAndrew Thompson .bDeviceClass = UDCLASS_HUB, 175302ac6454SAndrew Thompson .bDeviceSubClass = UDSUBCLASS_HUB, 175402ac6454SAndrew Thompson .bDeviceProtocol = UDPROTO_HSHUBSTT, 175502ac6454SAndrew Thompson .bMaxPacketSize = 64, 175602ac6454SAndrew Thompson .bcdDevice = {0x00, 0x01}, 175702ac6454SAndrew Thompson .iManufacturer = 1, 175802ac6454SAndrew Thompson .iProduct = 2, 175902ac6454SAndrew Thompson .bNumConfigurations = 1, 176002ac6454SAndrew Thompson }; 176102ac6454SAndrew Thompson 176202ac6454SAndrew Thompson static const struct usb2_device_qualifier uss820dci_odevd = { 176302ac6454SAndrew Thompson .bLength = sizeof(struct usb2_device_qualifier), 176402ac6454SAndrew Thompson .bDescriptorType = UDESC_DEVICE_QUALIFIER, 176502ac6454SAndrew Thompson .bcdUSB = {0x00, 0x02}, 176602ac6454SAndrew Thompson .bDeviceClass = UDCLASS_HUB, 176702ac6454SAndrew Thompson .bDeviceSubClass = UDSUBCLASS_HUB, 176802ac6454SAndrew Thompson .bDeviceProtocol = UDPROTO_FSHUB, 176902ac6454SAndrew Thompson .bMaxPacketSize0 = 0, 177002ac6454SAndrew Thompson .bNumConfigurations = 0, 177102ac6454SAndrew Thompson }; 177202ac6454SAndrew Thompson 177302ac6454SAndrew Thompson static const struct uss820dci_config_desc uss820dci_confd = { 177402ac6454SAndrew Thompson .confd = { 177502ac6454SAndrew Thompson .bLength = sizeof(struct usb2_config_descriptor), 177602ac6454SAndrew Thompson .bDescriptorType = UDESC_CONFIG, 177702ac6454SAndrew Thompson .wTotalLength[0] = sizeof(uss820dci_confd), 177802ac6454SAndrew Thompson .bNumInterface = 1, 177902ac6454SAndrew Thompson .bConfigurationValue = 1, 178002ac6454SAndrew Thompson .iConfiguration = 0, 178102ac6454SAndrew Thompson .bmAttributes = UC_SELF_POWERED, 178202ac6454SAndrew Thompson .bMaxPower = 0, 178302ac6454SAndrew Thompson }, 178402ac6454SAndrew Thompson .ifcd = { 178502ac6454SAndrew Thompson .bLength = sizeof(struct usb2_interface_descriptor), 178602ac6454SAndrew Thompson .bDescriptorType = UDESC_INTERFACE, 178702ac6454SAndrew Thompson .bNumEndpoints = 1, 178802ac6454SAndrew Thompson .bInterfaceClass = UICLASS_HUB, 178902ac6454SAndrew Thompson .bInterfaceSubClass = UISUBCLASS_HUB, 179002ac6454SAndrew Thompson .bInterfaceProtocol = UIPROTO_HSHUBSTT, 179102ac6454SAndrew Thompson }, 179202ac6454SAndrew Thompson 179302ac6454SAndrew Thompson .endpd = { 179402ac6454SAndrew Thompson .bLength = sizeof(struct usb2_endpoint_descriptor), 179502ac6454SAndrew Thompson .bDescriptorType = UDESC_ENDPOINT, 179602ac6454SAndrew Thompson .bEndpointAddress = (UE_DIR_IN | USS820_DCI_INTR_ENDPT), 179702ac6454SAndrew Thompson .bmAttributes = UE_INTERRUPT, 179802ac6454SAndrew Thompson .wMaxPacketSize[0] = 8, 179902ac6454SAndrew Thompson .bInterval = 255, 180002ac6454SAndrew Thompson }, 180102ac6454SAndrew Thompson }; 180202ac6454SAndrew Thompson 180302ac6454SAndrew Thompson static const struct usb2_hub_descriptor_min uss820dci_hubd = { 180402ac6454SAndrew Thompson .bDescLength = sizeof(uss820dci_hubd), 180502ac6454SAndrew Thompson .bDescriptorType = UDESC_HUB, 180602ac6454SAndrew Thompson .bNbrPorts = 1, 180702ac6454SAndrew Thompson .wHubCharacteristics[0] = 180802ac6454SAndrew Thompson (UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL) & 0xFF, 180902ac6454SAndrew Thompson .wHubCharacteristics[1] = 181002ac6454SAndrew Thompson (UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL) >> 8, 181102ac6454SAndrew Thompson .bPwrOn2PwrGood = 50, 181202ac6454SAndrew Thompson .bHubContrCurrent = 0, 181302ac6454SAndrew Thompson .DeviceRemovable = {0}, /* port is removable */ 181402ac6454SAndrew Thompson }; 181502ac6454SAndrew Thompson 181602ac6454SAndrew Thompson #define STRING_LANG \ 181702ac6454SAndrew Thompson 0x09, 0x04, /* American English */ 181802ac6454SAndrew Thompson 181902ac6454SAndrew Thompson #define STRING_VENDOR \ 182002ac6454SAndrew Thompson 'A', 0, 'G', 0, 'E', 0, 'R', 0, 'E', 0 182102ac6454SAndrew Thompson 182202ac6454SAndrew Thompson #define STRING_PRODUCT \ 182302ac6454SAndrew Thompson 'D', 0, 'C', 0, 'I', 0, ' ', 0, 'R', 0, \ 182402ac6454SAndrew Thompson 'o', 0, 'o', 0, 't', 0, ' ', 0, 'H', 0, \ 182502ac6454SAndrew Thompson 'U', 0, 'B', 0, 182602ac6454SAndrew Thompson 182702ac6454SAndrew Thompson USB_MAKE_STRING_DESC(STRING_LANG, uss820dci_langtab); 182802ac6454SAndrew Thompson USB_MAKE_STRING_DESC(STRING_VENDOR, uss820dci_vendor); 182902ac6454SAndrew Thompson USB_MAKE_STRING_DESC(STRING_PRODUCT, uss820dci_product); 183002ac6454SAndrew Thompson 183102ac6454SAndrew Thompson static void 183202ac6454SAndrew Thompson uss820dci_root_ctrl_enter(struct usb2_xfer *xfer) 183302ac6454SAndrew Thompson { 183402ac6454SAndrew Thompson return; 183502ac6454SAndrew Thompson } 183602ac6454SAndrew Thompson 183702ac6454SAndrew Thompson static void 183802ac6454SAndrew Thompson uss820dci_root_ctrl_start(struct usb2_xfer *xfer) 183902ac6454SAndrew Thompson { 184002ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 184102ac6454SAndrew Thompson 184202ac6454SAndrew Thompson sc->sc_root_ctrl.xfer = xfer; 184302ac6454SAndrew Thompson 184402ac6454SAndrew Thompson usb2_bus_roothub_exec(xfer->xroot->bus); 184502ac6454SAndrew Thompson } 184602ac6454SAndrew Thompson 184702ac6454SAndrew Thompson static void 184802ac6454SAndrew Thompson uss820dci_root_ctrl_task(struct usb2_bus *bus) 184902ac6454SAndrew Thompson { 185002ac6454SAndrew Thompson uss820dci_root_ctrl_poll(USS820_DCI_BUS2SC(bus)); 185102ac6454SAndrew Thompson } 185202ac6454SAndrew Thompson 185302ac6454SAndrew Thompson static void 185402ac6454SAndrew Thompson uss820dci_root_ctrl_done(struct usb2_xfer *xfer, 185502ac6454SAndrew Thompson struct usb2_sw_transfer *std) 185602ac6454SAndrew Thompson { 185702ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 185802ac6454SAndrew Thompson uint16_t value; 185902ac6454SAndrew Thompson uint16_t index; 186002ac6454SAndrew Thompson 186102ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 186202ac6454SAndrew Thompson 186302ac6454SAndrew Thompson if (std->state != USB_SW_TR_SETUP) { 186402ac6454SAndrew Thompson if (std->state == USB_SW_TR_PRE_CALLBACK) { 186502ac6454SAndrew Thompson /* transfer transferred */ 186602ac6454SAndrew Thompson uss820dci_device_done(xfer, std->err); 186702ac6454SAndrew Thompson } 186802ac6454SAndrew Thompson goto done; 186902ac6454SAndrew Thompson } 187002ac6454SAndrew Thompson /* buffer reset */ 187102ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&sc->sc_hub_temp, 0); 187202ac6454SAndrew Thompson std->len = 0; 187302ac6454SAndrew Thompson 187402ac6454SAndrew Thompson value = UGETW(std->req.wValue); 187502ac6454SAndrew Thompson index = UGETW(std->req.wIndex); 187602ac6454SAndrew Thompson 187702ac6454SAndrew Thompson /* demultiplex the control request */ 187802ac6454SAndrew Thompson 187902ac6454SAndrew Thompson switch (std->req.bmRequestType) { 188002ac6454SAndrew Thompson case UT_READ_DEVICE: 188102ac6454SAndrew Thompson switch (std->req.bRequest) { 188202ac6454SAndrew Thompson case UR_GET_DESCRIPTOR: 188302ac6454SAndrew Thompson goto tr_handle_get_descriptor; 188402ac6454SAndrew Thompson case UR_GET_CONFIG: 188502ac6454SAndrew Thompson goto tr_handle_get_config; 188602ac6454SAndrew Thompson case UR_GET_STATUS: 188702ac6454SAndrew Thompson goto tr_handle_get_status; 188802ac6454SAndrew Thompson default: 188902ac6454SAndrew Thompson goto tr_stalled; 189002ac6454SAndrew Thompson } 189102ac6454SAndrew Thompson break; 189202ac6454SAndrew Thompson 189302ac6454SAndrew Thompson case UT_WRITE_DEVICE: 189402ac6454SAndrew Thompson switch (std->req.bRequest) { 189502ac6454SAndrew Thompson case UR_SET_ADDRESS: 189602ac6454SAndrew Thompson goto tr_handle_set_address; 189702ac6454SAndrew Thompson case UR_SET_CONFIG: 189802ac6454SAndrew Thompson goto tr_handle_set_config; 189902ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 190002ac6454SAndrew Thompson goto tr_valid; /* nop */ 190102ac6454SAndrew Thompson case UR_SET_DESCRIPTOR: 190202ac6454SAndrew Thompson goto tr_valid; /* nop */ 190302ac6454SAndrew Thompson case UR_SET_FEATURE: 190402ac6454SAndrew Thompson default: 190502ac6454SAndrew Thompson goto tr_stalled; 190602ac6454SAndrew Thompson } 190702ac6454SAndrew Thompson break; 190802ac6454SAndrew Thompson 190902ac6454SAndrew Thompson case UT_WRITE_ENDPOINT: 191002ac6454SAndrew Thompson switch (std->req.bRequest) { 191102ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 191202ac6454SAndrew Thompson switch (UGETW(std->req.wValue)) { 191302ac6454SAndrew Thompson case UF_ENDPOINT_HALT: 191402ac6454SAndrew Thompson goto tr_handle_clear_halt; 191502ac6454SAndrew Thompson case UF_DEVICE_REMOTE_WAKEUP: 191602ac6454SAndrew Thompson goto tr_handle_clear_wakeup; 191702ac6454SAndrew Thompson default: 191802ac6454SAndrew Thompson goto tr_stalled; 191902ac6454SAndrew Thompson } 192002ac6454SAndrew Thompson break; 192102ac6454SAndrew Thompson case UR_SET_FEATURE: 192202ac6454SAndrew Thompson switch (UGETW(std->req.wValue)) { 192302ac6454SAndrew Thompson case UF_ENDPOINT_HALT: 192402ac6454SAndrew Thompson goto tr_handle_set_halt; 192502ac6454SAndrew Thompson case UF_DEVICE_REMOTE_WAKEUP: 192602ac6454SAndrew Thompson goto tr_handle_set_wakeup; 192702ac6454SAndrew Thompson default: 192802ac6454SAndrew Thompson goto tr_stalled; 192902ac6454SAndrew Thompson } 193002ac6454SAndrew Thompson break; 193102ac6454SAndrew Thompson case UR_SYNCH_FRAME: 193202ac6454SAndrew Thompson goto tr_valid; /* nop */ 193302ac6454SAndrew Thompson default: 193402ac6454SAndrew Thompson goto tr_stalled; 193502ac6454SAndrew Thompson } 193602ac6454SAndrew Thompson break; 193702ac6454SAndrew Thompson 193802ac6454SAndrew Thompson case UT_READ_ENDPOINT: 193902ac6454SAndrew Thompson switch (std->req.bRequest) { 194002ac6454SAndrew Thompson case UR_GET_STATUS: 194102ac6454SAndrew Thompson goto tr_handle_get_ep_status; 194202ac6454SAndrew Thompson default: 194302ac6454SAndrew Thompson goto tr_stalled; 194402ac6454SAndrew Thompson } 194502ac6454SAndrew Thompson break; 194602ac6454SAndrew Thompson 194702ac6454SAndrew Thompson case UT_WRITE_INTERFACE: 194802ac6454SAndrew Thompson switch (std->req.bRequest) { 194902ac6454SAndrew Thompson case UR_SET_INTERFACE: 195002ac6454SAndrew Thompson goto tr_handle_set_interface; 195102ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 195202ac6454SAndrew Thompson goto tr_valid; /* nop */ 195302ac6454SAndrew Thompson case UR_SET_FEATURE: 195402ac6454SAndrew Thompson default: 195502ac6454SAndrew Thompson goto tr_stalled; 195602ac6454SAndrew Thompson } 195702ac6454SAndrew Thompson break; 195802ac6454SAndrew Thompson 195902ac6454SAndrew Thompson case UT_READ_INTERFACE: 196002ac6454SAndrew Thompson switch (std->req.bRequest) { 196102ac6454SAndrew Thompson case UR_GET_INTERFACE: 196202ac6454SAndrew Thompson goto tr_handle_get_interface; 196302ac6454SAndrew Thompson case UR_GET_STATUS: 196402ac6454SAndrew Thompson goto tr_handle_get_iface_status; 196502ac6454SAndrew Thompson default: 196602ac6454SAndrew Thompson goto tr_stalled; 196702ac6454SAndrew Thompson } 196802ac6454SAndrew Thompson break; 196902ac6454SAndrew Thompson 197002ac6454SAndrew Thompson case UT_WRITE_CLASS_INTERFACE: 197102ac6454SAndrew Thompson case UT_WRITE_VENDOR_INTERFACE: 197202ac6454SAndrew Thompson /* XXX forward */ 197302ac6454SAndrew Thompson break; 197402ac6454SAndrew Thompson 197502ac6454SAndrew Thompson case UT_READ_CLASS_INTERFACE: 197602ac6454SAndrew Thompson case UT_READ_VENDOR_INTERFACE: 197702ac6454SAndrew Thompson /* XXX forward */ 197802ac6454SAndrew Thompson break; 197902ac6454SAndrew Thompson 198002ac6454SAndrew Thompson case UT_WRITE_CLASS_DEVICE: 198102ac6454SAndrew Thompson switch (std->req.bRequest) { 198202ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 198302ac6454SAndrew Thompson goto tr_valid; 198402ac6454SAndrew Thompson case UR_SET_DESCRIPTOR: 198502ac6454SAndrew Thompson case UR_SET_FEATURE: 198602ac6454SAndrew Thompson break; 198702ac6454SAndrew Thompson default: 198802ac6454SAndrew Thompson goto tr_stalled; 198902ac6454SAndrew Thompson } 199002ac6454SAndrew Thompson break; 199102ac6454SAndrew Thompson 199202ac6454SAndrew Thompson case UT_WRITE_CLASS_OTHER: 199302ac6454SAndrew Thompson switch (std->req.bRequest) { 199402ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 199502ac6454SAndrew Thompson goto tr_handle_clear_port_feature; 199602ac6454SAndrew Thompson case UR_SET_FEATURE: 199702ac6454SAndrew Thompson goto tr_handle_set_port_feature; 199802ac6454SAndrew Thompson case UR_CLEAR_TT_BUFFER: 199902ac6454SAndrew Thompson case UR_RESET_TT: 200002ac6454SAndrew Thompson case UR_STOP_TT: 200102ac6454SAndrew Thompson goto tr_valid; 200202ac6454SAndrew Thompson 200302ac6454SAndrew Thompson default: 200402ac6454SAndrew Thompson goto tr_stalled; 200502ac6454SAndrew Thompson } 200602ac6454SAndrew Thompson break; 200702ac6454SAndrew Thompson 200802ac6454SAndrew Thompson case UT_READ_CLASS_OTHER: 200902ac6454SAndrew Thompson switch (std->req.bRequest) { 201002ac6454SAndrew Thompson case UR_GET_TT_STATE: 201102ac6454SAndrew Thompson goto tr_handle_get_tt_state; 201202ac6454SAndrew Thompson case UR_GET_STATUS: 201302ac6454SAndrew Thompson goto tr_handle_get_port_status; 201402ac6454SAndrew Thompson default: 201502ac6454SAndrew Thompson goto tr_stalled; 201602ac6454SAndrew Thompson } 201702ac6454SAndrew Thompson break; 201802ac6454SAndrew Thompson 201902ac6454SAndrew Thompson case UT_READ_CLASS_DEVICE: 202002ac6454SAndrew Thompson switch (std->req.bRequest) { 202102ac6454SAndrew Thompson case UR_GET_DESCRIPTOR: 202202ac6454SAndrew Thompson goto tr_handle_get_class_descriptor; 202302ac6454SAndrew Thompson case UR_GET_STATUS: 202402ac6454SAndrew Thompson goto tr_handle_get_class_status; 202502ac6454SAndrew Thompson 202602ac6454SAndrew Thompson default: 202702ac6454SAndrew Thompson goto tr_stalled; 202802ac6454SAndrew Thompson } 202902ac6454SAndrew Thompson break; 203002ac6454SAndrew Thompson default: 203102ac6454SAndrew Thompson goto tr_stalled; 203202ac6454SAndrew Thompson } 203302ac6454SAndrew Thompson goto tr_valid; 203402ac6454SAndrew Thompson 203502ac6454SAndrew Thompson tr_handle_get_descriptor: 203602ac6454SAndrew Thompson switch (value >> 8) { 203702ac6454SAndrew Thompson case UDESC_DEVICE: 203802ac6454SAndrew Thompson if (value & 0xff) { 203902ac6454SAndrew Thompson goto tr_stalled; 204002ac6454SAndrew Thompson } 204102ac6454SAndrew Thompson std->len = sizeof(uss820dci_devd); 204202ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&uss820dci_devd, 0); 204302ac6454SAndrew Thompson goto tr_valid; 204402ac6454SAndrew Thompson case UDESC_CONFIG: 204502ac6454SAndrew Thompson if (value & 0xff) { 204602ac6454SAndrew Thompson goto tr_stalled; 204702ac6454SAndrew Thompson } 204802ac6454SAndrew Thompson std->len = sizeof(uss820dci_confd); 204902ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&uss820dci_confd, 0); 205002ac6454SAndrew Thompson goto tr_valid; 205102ac6454SAndrew Thompson case UDESC_STRING: 205202ac6454SAndrew Thompson switch (value & 0xff) { 205302ac6454SAndrew Thompson case 0: /* Language table */ 205402ac6454SAndrew Thompson std->len = sizeof(uss820dci_langtab); 205502ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&uss820dci_langtab, 0); 205602ac6454SAndrew Thompson goto tr_valid; 205702ac6454SAndrew Thompson 205802ac6454SAndrew Thompson case 1: /* Vendor */ 205902ac6454SAndrew Thompson std->len = sizeof(uss820dci_vendor); 206002ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&uss820dci_vendor, 0); 206102ac6454SAndrew Thompson goto tr_valid; 206202ac6454SAndrew Thompson 206302ac6454SAndrew Thompson case 2: /* Product */ 206402ac6454SAndrew Thompson std->len = sizeof(uss820dci_product); 206502ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&uss820dci_product, 0); 206602ac6454SAndrew Thompson goto tr_valid; 206702ac6454SAndrew Thompson default: 206802ac6454SAndrew Thompson break; 206902ac6454SAndrew Thompson } 207002ac6454SAndrew Thompson break; 207102ac6454SAndrew Thompson default: 207202ac6454SAndrew Thompson goto tr_stalled; 207302ac6454SAndrew Thompson } 207402ac6454SAndrew Thompson goto tr_stalled; 207502ac6454SAndrew Thompson 207602ac6454SAndrew Thompson tr_handle_get_config: 207702ac6454SAndrew Thompson std->len = 1; 207802ac6454SAndrew Thompson sc->sc_hub_temp.wValue[0] = sc->sc_conf; 207902ac6454SAndrew Thompson goto tr_valid; 208002ac6454SAndrew Thompson 208102ac6454SAndrew Thompson tr_handle_get_status: 208202ac6454SAndrew Thompson std->len = 2; 208302ac6454SAndrew Thompson USETW(sc->sc_hub_temp.wValue, UDS_SELF_POWERED); 208402ac6454SAndrew Thompson goto tr_valid; 208502ac6454SAndrew Thompson 208602ac6454SAndrew Thompson tr_handle_set_address: 208702ac6454SAndrew Thompson if (value & 0xFF00) { 208802ac6454SAndrew Thompson goto tr_stalled; 208902ac6454SAndrew Thompson } 209002ac6454SAndrew Thompson sc->sc_rt_addr = value; 209102ac6454SAndrew Thompson goto tr_valid; 209202ac6454SAndrew Thompson 209302ac6454SAndrew Thompson tr_handle_set_config: 209402ac6454SAndrew Thompson if (value >= 2) { 209502ac6454SAndrew Thompson goto tr_stalled; 209602ac6454SAndrew Thompson } 209702ac6454SAndrew Thompson sc->sc_conf = value; 209802ac6454SAndrew Thompson goto tr_valid; 209902ac6454SAndrew Thompson 210002ac6454SAndrew Thompson tr_handle_get_interface: 210102ac6454SAndrew Thompson std->len = 1; 210202ac6454SAndrew Thompson sc->sc_hub_temp.wValue[0] = 0; 210302ac6454SAndrew Thompson goto tr_valid; 210402ac6454SAndrew Thompson 210502ac6454SAndrew Thompson tr_handle_get_tt_state: 210602ac6454SAndrew Thompson tr_handle_get_class_status: 210702ac6454SAndrew Thompson tr_handle_get_iface_status: 210802ac6454SAndrew Thompson tr_handle_get_ep_status: 210902ac6454SAndrew Thompson std->len = 2; 211002ac6454SAndrew Thompson USETW(sc->sc_hub_temp.wValue, 0); 211102ac6454SAndrew Thompson goto tr_valid; 211202ac6454SAndrew Thompson 211302ac6454SAndrew Thompson tr_handle_set_halt: 211402ac6454SAndrew Thompson tr_handle_set_interface: 211502ac6454SAndrew Thompson tr_handle_set_wakeup: 211602ac6454SAndrew Thompson tr_handle_clear_wakeup: 211702ac6454SAndrew Thompson tr_handle_clear_halt: 211802ac6454SAndrew Thompson goto tr_valid; 211902ac6454SAndrew Thompson 212002ac6454SAndrew Thompson tr_handle_clear_port_feature: 212102ac6454SAndrew Thompson if (index != 1) { 212202ac6454SAndrew Thompson goto tr_stalled; 212302ac6454SAndrew Thompson } 212402ac6454SAndrew Thompson DPRINTFN(9, "UR_CLEAR_PORT_FEATURE on port %d\n", index); 212502ac6454SAndrew Thompson 212602ac6454SAndrew Thompson switch (value) { 212702ac6454SAndrew Thompson case UHF_PORT_SUSPEND: 212802ac6454SAndrew Thompson uss820dci_wakeup_peer(sc); 212902ac6454SAndrew Thompson break; 213002ac6454SAndrew Thompson 213102ac6454SAndrew Thompson case UHF_PORT_ENABLE: 213202ac6454SAndrew Thompson sc->sc_flags.port_enabled = 0; 213302ac6454SAndrew Thompson break; 213402ac6454SAndrew Thompson 213502ac6454SAndrew Thompson case UHF_PORT_TEST: 213602ac6454SAndrew Thompson case UHF_PORT_INDICATOR: 213702ac6454SAndrew Thompson case UHF_C_PORT_ENABLE: 213802ac6454SAndrew Thompson case UHF_C_PORT_OVER_CURRENT: 213902ac6454SAndrew Thompson case UHF_C_PORT_RESET: 214002ac6454SAndrew Thompson /* nops */ 214102ac6454SAndrew Thompson break; 214202ac6454SAndrew Thompson case UHF_PORT_POWER: 214302ac6454SAndrew Thompson sc->sc_flags.port_powered = 0; 214402ac6454SAndrew Thompson uss820dci_pull_down(sc); 214502ac6454SAndrew Thompson break; 214602ac6454SAndrew Thompson case UHF_C_PORT_CONNECTION: 214702ac6454SAndrew Thompson sc->sc_flags.change_connect = 0; 214802ac6454SAndrew Thompson break; 214902ac6454SAndrew Thompson case UHF_C_PORT_SUSPEND: 215002ac6454SAndrew Thompson sc->sc_flags.change_suspend = 0; 215102ac6454SAndrew Thompson break; 215202ac6454SAndrew Thompson default: 215302ac6454SAndrew Thompson std->err = USB_ERR_IOERROR; 215402ac6454SAndrew Thompson goto done; 215502ac6454SAndrew Thompson } 215602ac6454SAndrew Thompson goto tr_valid; 215702ac6454SAndrew Thompson 215802ac6454SAndrew Thompson tr_handle_set_port_feature: 215902ac6454SAndrew Thompson if (index != 1) { 216002ac6454SAndrew Thompson goto tr_stalled; 216102ac6454SAndrew Thompson } 216202ac6454SAndrew Thompson DPRINTFN(9, "UR_SET_PORT_FEATURE\n"); 216302ac6454SAndrew Thompson 216402ac6454SAndrew Thompson switch (value) { 216502ac6454SAndrew Thompson case UHF_PORT_ENABLE: 216602ac6454SAndrew Thompson sc->sc_flags.port_enabled = 1; 216702ac6454SAndrew Thompson break; 216802ac6454SAndrew Thompson case UHF_PORT_SUSPEND: 216902ac6454SAndrew Thompson case UHF_PORT_RESET: 217002ac6454SAndrew Thompson case UHF_PORT_TEST: 217102ac6454SAndrew Thompson case UHF_PORT_INDICATOR: 217202ac6454SAndrew Thompson /* nops */ 217302ac6454SAndrew Thompson break; 217402ac6454SAndrew Thompson case UHF_PORT_POWER: 217502ac6454SAndrew Thompson sc->sc_flags.port_powered = 1; 217602ac6454SAndrew Thompson break; 217702ac6454SAndrew Thompson default: 217802ac6454SAndrew Thompson std->err = USB_ERR_IOERROR; 217902ac6454SAndrew Thompson goto done; 218002ac6454SAndrew Thompson } 218102ac6454SAndrew Thompson goto tr_valid; 218202ac6454SAndrew Thompson 218302ac6454SAndrew Thompson tr_handle_get_port_status: 218402ac6454SAndrew Thompson 218502ac6454SAndrew Thompson DPRINTFN(9, "UR_GET_PORT_STATUS\n"); 218602ac6454SAndrew Thompson 218702ac6454SAndrew Thompson if (index != 1) { 218802ac6454SAndrew Thompson goto tr_stalled; 218902ac6454SAndrew Thompson } 219002ac6454SAndrew Thompson if (sc->sc_flags.status_vbus) { 219102ac6454SAndrew Thompson uss820dci_pull_up(sc); 219202ac6454SAndrew Thompson } else { 219302ac6454SAndrew Thompson uss820dci_pull_down(sc); 219402ac6454SAndrew Thompson } 219502ac6454SAndrew Thompson 219602ac6454SAndrew Thompson /* Select FULL-speed and Device Side Mode */ 219702ac6454SAndrew Thompson 219802ac6454SAndrew Thompson value = UPS_PORT_MODE_DEVICE; 219902ac6454SAndrew Thompson 220002ac6454SAndrew Thompson if (sc->sc_flags.port_powered) { 220102ac6454SAndrew Thompson value |= UPS_PORT_POWER; 220202ac6454SAndrew Thompson } 220302ac6454SAndrew Thompson if (sc->sc_flags.port_enabled) { 220402ac6454SAndrew Thompson value |= UPS_PORT_ENABLED; 220502ac6454SAndrew Thompson } 220602ac6454SAndrew Thompson if (sc->sc_flags.status_vbus && 220702ac6454SAndrew Thompson sc->sc_flags.status_bus_reset) { 220802ac6454SAndrew Thompson value |= UPS_CURRENT_CONNECT_STATUS; 220902ac6454SAndrew Thompson } 221002ac6454SAndrew Thompson if (sc->sc_flags.status_suspend) { 221102ac6454SAndrew Thompson value |= UPS_SUSPEND; 221202ac6454SAndrew Thompson } 221302ac6454SAndrew Thompson USETW(sc->sc_hub_temp.ps.wPortStatus, value); 221402ac6454SAndrew Thompson 221502ac6454SAndrew Thompson value = 0; 221602ac6454SAndrew Thompson 221702ac6454SAndrew Thompson if (sc->sc_flags.change_connect) { 221802ac6454SAndrew Thompson value |= UPS_C_CONNECT_STATUS; 221902ac6454SAndrew Thompson } 222002ac6454SAndrew Thompson if (sc->sc_flags.change_suspend) { 222102ac6454SAndrew Thompson value |= UPS_C_SUSPEND; 222202ac6454SAndrew Thompson } 222302ac6454SAndrew Thompson USETW(sc->sc_hub_temp.ps.wPortChange, value); 222402ac6454SAndrew Thompson std->len = sizeof(sc->sc_hub_temp.ps); 222502ac6454SAndrew Thompson goto tr_valid; 222602ac6454SAndrew Thompson 222702ac6454SAndrew Thompson tr_handle_get_class_descriptor: 222802ac6454SAndrew Thompson if (value & 0xFF) { 222902ac6454SAndrew Thompson goto tr_stalled; 223002ac6454SAndrew Thompson } 223102ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&uss820dci_hubd, 0); 223202ac6454SAndrew Thompson std->len = sizeof(uss820dci_hubd); 223302ac6454SAndrew Thompson goto tr_valid; 223402ac6454SAndrew Thompson 223502ac6454SAndrew Thompson tr_stalled: 223602ac6454SAndrew Thompson std->err = USB_ERR_STALLED; 223702ac6454SAndrew Thompson tr_valid: 223802ac6454SAndrew Thompson done: 223902ac6454SAndrew Thompson return; 224002ac6454SAndrew Thompson } 224102ac6454SAndrew Thompson 224202ac6454SAndrew Thompson static void 224302ac6454SAndrew Thompson uss820dci_root_ctrl_poll(struct uss820dci_softc *sc) 224402ac6454SAndrew Thompson { 224502ac6454SAndrew Thompson usb2_sw_transfer(&sc->sc_root_ctrl, 224602ac6454SAndrew Thompson &uss820dci_root_ctrl_done); 224702ac6454SAndrew Thompson } 224802ac6454SAndrew Thompson 224902ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_root_ctrl_methods = 225002ac6454SAndrew Thompson { 225102ac6454SAndrew Thompson .open = uss820dci_root_ctrl_open, 225202ac6454SAndrew Thompson .close = uss820dci_root_ctrl_close, 225302ac6454SAndrew Thompson .enter = uss820dci_root_ctrl_enter, 225402ac6454SAndrew Thompson .start = uss820dci_root_ctrl_start, 225502ac6454SAndrew Thompson .enter_is_cancelable = 1, 225602ac6454SAndrew Thompson .start_is_cancelable = 0, 225702ac6454SAndrew Thompson }; 225802ac6454SAndrew Thompson 225902ac6454SAndrew Thompson /*------------------------------------------------------------------------* 226002ac6454SAndrew Thompson * at91dci root interrupt support 226102ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 226202ac6454SAndrew Thompson static void 226302ac6454SAndrew Thompson uss820dci_root_intr_open(struct usb2_xfer *xfer) 226402ac6454SAndrew Thompson { 226502ac6454SAndrew Thompson return; 226602ac6454SAndrew Thompson } 226702ac6454SAndrew Thompson 226802ac6454SAndrew Thompson static void 226902ac6454SAndrew Thompson uss820dci_root_intr_close(struct usb2_xfer *xfer) 227002ac6454SAndrew Thompson { 227102ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 227202ac6454SAndrew Thompson 227302ac6454SAndrew Thompson if (sc->sc_root_intr.xfer == xfer) { 227402ac6454SAndrew Thompson sc->sc_root_intr.xfer = NULL; 227502ac6454SAndrew Thompson } 227602ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_CANCELLED); 227702ac6454SAndrew Thompson } 227802ac6454SAndrew Thompson 227902ac6454SAndrew Thompson static void 228002ac6454SAndrew Thompson uss820dci_root_intr_enter(struct usb2_xfer *xfer) 228102ac6454SAndrew Thompson { 228202ac6454SAndrew Thompson return; 228302ac6454SAndrew Thompson } 228402ac6454SAndrew Thompson 228502ac6454SAndrew Thompson static void 228602ac6454SAndrew Thompson uss820dci_root_intr_start(struct usb2_xfer *xfer) 228702ac6454SAndrew Thompson { 228802ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 228902ac6454SAndrew Thompson 229002ac6454SAndrew Thompson sc->sc_root_intr.xfer = xfer; 229102ac6454SAndrew Thompson } 229202ac6454SAndrew Thompson 229302ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_root_intr_methods = 229402ac6454SAndrew Thompson { 229502ac6454SAndrew Thompson .open = uss820dci_root_intr_open, 229602ac6454SAndrew Thompson .close = uss820dci_root_intr_close, 229702ac6454SAndrew Thompson .enter = uss820dci_root_intr_enter, 229802ac6454SAndrew Thompson .start = uss820dci_root_intr_start, 229902ac6454SAndrew Thompson .enter_is_cancelable = 1, 230002ac6454SAndrew Thompson .start_is_cancelable = 1, 230102ac6454SAndrew Thompson }; 230202ac6454SAndrew Thompson 230302ac6454SAndrew Thompson static void 230402ac6454SAndrew Thompson uss820dci_xfer_setup(struct usb2_setup_params *parm) 230502ac6454SAndrew Thompson { 230602ac6454SAndrew Thompson const struct usb2_hw_ep_profile *pf; 230702ac6454SAndrew Thompson struct uss820dci_softc *sc; 230802ac6454SAndrew Thompson struct usb2_xfer *xfer; 230902ac6454SAndrew Thompson void *last_obj; 231002ac6454SAndrew Thompson uint32_t ntd; 231102ac6454SAndrew Thompson uint32_t n; 231202ac6454SAndrew Thompson uint8_t ep_no; 231302ac6454SAndrew Thompson 231402ac6454SAndrew Thompson sc = USS820_DCI_BUS2SC(parm->udev->bus); 231502ac6454SAndrew Thompson xfer = parm->curr_xfer; 231602ac6454SAndrew Thompson 231702ac6454SAndrew Thompson /* 231802ac6454SAndrew Thompson * NOTE: This driver does not use any of the parameters that 231902ac6454SAndrew Thompson * are computed from the following values. Just set some 232002ac6454SAndrew Thompson * reasonable dummies: 232102ac6454SAndrew Thompson */ 232202ac6454SAndrew Thompson parm->hc_max_packet_size = 0x500; 232302ac6454SAndrew Thompson parm->hc_max_packet_count = 1; 232402ac6454SAndrew Thompson parm->hc_max_frame_size = 0x500; 232502ac6454SAndrew Thompson 232602ac6454SAndrew Thompson usb2_transfer_setup_sub(parm); 232702ac6454SAndrew Thompson 232802ac6454SAndrew Thompson /* 232902ac6454SAndrew Thompson * compute maximum number of TDs 233002ac6454SAndrew Thompson */ 233102ac6454SAndrew Thompson if (parm->methods == &uss820dci_device_ctrl_methods) { 233202ac6454SAndrew Thompson 233302ac6454SAndrew Thompson ntd = xfer->nframes + 1 /* STATUS */ + 1 /* SYNC */ ; 233402ac6454SAndrew Thompson 233502ac6454SAndrew Thompson } else if (parm->methods == &uss820dci_device_bulk_methods) { 233602ac6454SAndrew Thompson 233702ac6454SAndrew Thompson ntd = xfer->nframes + 1 /* SYNC */ ; 233802ac6454SAndrew Thompson 233902ac6454SAndrew Thompson } else if (parm->methods == &uss820dci_device_intr_methods) { 234002ac6454SAndrew Thompson 234102ac6454SAndrew Thompson ntd = xfer->nframes + 1 /* SYNC */ ; 234202ac6454SAndrew Thompson 234302ac6454SAndrew Thompson } else if (parm->methods == &uss820dci_device_isoc_fs_methods) { 234402ac6454SAndrew Thompson 234502ac6454SAndrew Thompson ntd = xfer->nframes + 1 /* SYNC */ ; 234602ac6454SAndrew Thompson 234702ac6454SAndrew Thompson } else { 234802ac6454SAndrew Thompson 234902ac6454SAndrew Thompson ntd = 0; 235002ac6454SAndrew Thompson } 235102ac6454SAndrew Thompson 235202ac6454SAndrew Thompson /* 235302ac6454SAndrew Thompson * check if "usb2_transfer_setup_sub" set an error 235402ac6454SAndrew Thompson */ 235502ac6454SAndrew Thompson if (parm->err) { 235602ac6454SAndrew Thompson return; 235702ac6454SAndrew Thompson } 235802ac6454SAndrew Thompson /* 235902ac6454SAndrew Thompson * allocate transfer descriptors 236002ac6454SAndrew Thompson */ 236102ac6454SAndrew Thompson last_obj = NULL; 236202ac6454SAndrew Thompson 236302ac6454SAndrew Thompson /* 236402ac6454SAndrew Thompson * get profile stuff 236502ac6454SAndrew Thompson */ 236602ac6454SAndrew Thompson if (ntd) { 236702ac6454SAndrew Thompson 236802ac6454SAndrew Thompson ep_no = xfer->endpoint & UE_ADDR; 236902ac6454SAndrew Thompson uss820dci_get_hw_ep_profile(parm->udev, &pf, ep_no); 237002ac6454SAndrew Thompson 237102ac6454SAndrew Thompson if (pf == NULL) { 237202ac6454SAndrew Thompson /* should not happen */ 237302ac6454SAndrew Thompson parm->err = USB_ERR_INVAL; 237402ac6454SAndrew Thompson return; 237502ac6454SAndrew Thompson } 237602ac6454SAndrew Thompson } else { 237702ac6454SAndrew Thompson ep_no = 0; 237802ac6454SAndrew Thompson pf = NULL; 237902ac6454SAndrew Thompson } 238002ac6454SAndrew Thompson 238102ac6454SAndrew Thompson /* align data */ 238202ac6454SAndrew Thompson parm->size[0] += ((-parm->size[0]) & (USB_HOST_ALIGN - 1)); 238302ac6454SAndrew Thompson 238402ac6454SAndrew Thompson for (n = 0; n != ntd; n++) { 238502ac6454SAndrew Thompson 238602ac6454SAndrew Thompson struct uss820dci_td *td; 238702ac6454SAndrew Thompson 238802ac6454SAndrew Thompson if (parm->buf) { 238902ac6454SAndrew Thompson 239002ac6454SAndrew Thompson td = USB_ADD_BYTES(parm->buf, parm->size[0]); 239102ac6454SAndrew Thompson 239202ac6454SAndrew Thompson /* init TD */ 239302ac6454SAndrew Thompson td->io_tag = sc->sc_io_tag; 239402ac6454SAndrew Thompson td->io_hdl = sc->sc_io_hdl; 239502ac6454SAndrew Thompson td->max_packet_size = xfer->max_packet_size; 239602ac6454SAndrew Thompson td->rx_stat_reg = USS820_GET_REG(sc, USS820_RXSTAT); 239702ac6454SAndrew Thompson td->tx_stat_reg = USS820_GET_REG(sc, USS820_TXSTAT); 239802ac6454SAndrew Thompson td->rx_flag_reg = USS820_GET_REG(sc, USS820_RXFLG); 239902ac6454SAndrew Thompson td->tx_flag_reg = USS820_GET_REG(sc, USS820_TXFLG); 240002ac6454SAndrew Thompson td->rx_fifo_reg = USS820_GET_REG(sc, USS820_RXDAT); 240102ac6454SAndrew Thompson td->tx_fifo_reg = USS820_GET_REG(sc, USS820_TXDAT); 240202ac6454SAndrew Thompson td->rx_count_low_reg = USS820_GET_REG(sc, USS820_RXCNTL); 240302ac6454SAndrew Thompson td->rx_count_high_reg = USS820_GET_REG(sc, USS820_RXCNTH); 240402ac6454SAndrew Thompson td->tx_count_low_reg = USS820_GET_REG(sc, USS820_TXCNTL); 240502ac6454SAndrew Thompson td->tx_count_high_reg = USS820_GET_REG(sc, USS820_TXCNTH); 240602ac6454SAndrew Thompson td->rx_cntl_reg = USS820_GET_REG(sc, USS820_RXCON); 240702ac6454SAndrew Thompson td->tx_cntl_reg = USS820_GET_REG(sc, USS820_TXCON); 240802ac6454SAndrew Thompson td->pend_reg = USS820_GET_REG(sc, USS820_PEND); 240902ac6454SAndrew Thompson td->ep_reg = USS820_GET_REG(sc, USS820_EPINDEX); 241002ac6454SAndrew Thompson td->ep_index = ep_no; 241102ac6454SAndrew Thompson if (pf->support_multi_buffer && 241202ac6454SAndrew Thompson (parm->methods != &uss820dci_device_ctrl_methods)) { 241302ac6454SAndrew Thompson td->support_multi_buffer = 1; 241402ac6454SAndrew Thompson } 241502ac6454SAndrew Thompson td->obj_next = last_obj; 241602ac6454SAndrew Thompson 241702ac6454SAndrew Thompson last_obj = td; 241802ac6454SAndrew Thompson } 241902ac6454SAndrew Thompson parm->size[0] += sizeof(*td); 242002ac6454SAndrew Thompson } 242102ac6454SAndrew Thompson 242202ac6454SAndrew Thompson xfer->td_start[0] = last_obj; 242302ac6454SAndrew Thompson } 242402ac6454SAndrew Thompson 242502ac6454SAndrew Thompson static void 242602ac6454SAndrew Thompson uss820dci_xfer_unsetup(struct usb2_xfer *xfer) 242702ac6454SAndrew Thompson { 242802ac6454SAndrew Thompson return; 242902ac6454SAndrew Thompson } 243002ac6454SAndrew Thompson 243102ac6454SAndrew Thompson static void 243202ac6454SAndrew Thompson uss820dci_pipe_init(struct usb2_device *udev, struct usb2_endpoint_descriptor *edesc, 243302ac6454SAndrew Thompson struct usb2_pipe *pipe) 243402ac6454SAndrew Thompson { 243502ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(udev->bus); 243602ac6454SAndrew Thompson 243702ac6454SAndrew Thompson DPRINTFN(2, "pipe=%p, addr=%d, endpt=%d, mode=%d (%d)\n", 243802ac6454SAndrew Thompson pipe, udev->address, 243902ac6454SAndrew Thompson edesc->bEndpointAddress, udev->flags.usb2_mode, 244002ac6454SAndrew Thompson sc->sc_rt_addr); 244102ac6454SAndrew Thompson 244202ac6454SAndrew Thompson if (udev->device_index == sc->sc_rt_addr) { 244302ac6454SAndrew Thompson 244402ac6454SAndrew Thompson if (udev->flags.usb2_mode != USB_MODE_HOST) { 244502ac6454SAndrew Thompson /* not supported */ 244602ac6454SAndrew Thompson return; 244702ac6454SAndrew Thompson } 244802ac6454SAndrew Thompson switch (edesc->bEndpointAddress) { 244902ac6454SAndrew Thompson case USB_CONTROL_ENDPOINT: 245002ac6454SAndrew Thompson pipe->methods = &uss820dci_root_ctrl_methods; 245102ac6454SAndrew Thompson break; 245202ac6454SAndrew Thompson case UE_DIR_IN | USS820_DCI_INTR_ENDPT: 245302ac6454SAndrew Thompson pipe->methods = &uss820dci_root_intr_methods; 245402ac6454SAndrew Thompson break; 245502ac6454SAndrew Thompson default: 245602ac6454SAndrew Thompson /* do nothing */ 245702ac6454SAndrew Thompson break; 245802ac6454SAndrew Thompson } 245902ac6454SAndrew Thompson } else { 246002ac6454SAndrew Thompson 246102ac6454SAndrew Thompson if (udev->flags.usb2_mode != USB_MODE_DEVICE) { 246202ac6454SAndrew Thompson /* not supported */ 246302ac6454SAndrew Thompson return; 246402ac6454SAndrew Thompson } 246502ac6454SAndrew Thompson if (udev->speed != USB_SPEED_FULL) { 246602ac6454SAndrew Thompson /* not supported */ 246702ac6454SAndrew Thompson return; 246802ac6454SAndrew Thompson } 246902ac6454SAndrew Thompson switch (edesc->bmAttributes & UE_XFERTYPE) { 247002ac6454SAndrew Thompson case UE_CONTROL: 247102ac6454SAndrew Thompson pipe->methods = &uss820dci_device_ctrl_methods; 247202ac6454SAndrew Thompson break; 247302ac6454SAndrew Thompson case UE_INTERRUPT: 247402ac6454SAndrew Thompson pipe->methods = &uss820dci_device_intr_methods; 247502ac6454SAndrew Thompson break; 247602ac6454SAndrew Thompson case UE_ISOCHRONOUS: 247702ac6454SAndrew Thompson pipe->methods = &uss820dci_device_isoc_fs_methods; 247802ac6454SAndrew Thompson break; 247902ac6454SAndrew Thompson case UE_BULK: 248002ac6454SAndrew Thompson pipe->methods = &uss820dci_device_bulk_methods; 248102ac6454SAndrew Thompson break; 248202ac6454SAndrew Thompson default: 248302ac6454SAndrew Thompson /* do nothing */ 248402ac6454SAndrew Thompson break; 248502ac6454SAndrew Thompson } 248602ac6454SAndrew Thompson } 248702ac6454SAndrew Thompson } 248802ac6454SAndrew Thompson 248902ac6454SAndrew Thompson struct usb2_bus_methods uss820dci_bus_methods = 249002ac6454SAndrew Thompson { 249102ac6454SAndrew Thompson .pipe_init = &uss820dci_pipe_init, 249202ac6454SAndrew Thompson .xfer_setup = &uss820dci_xfer_setup, 249302ac6454SAndrew Thompson .xfer_unsetup = &uss820dci_xfer_unsetup, 249402ac6454SAndrew Thompson .get_hw_ep_profile = &uss820dci_get_hw_ep_profile, 249502ac6454SAndrew Thompson .set_stall = &uss820dci_set_stall, 249602ac6454SAndrew Thompson .clear_stall = &uss820dci_clear_stall, 249702ac6454SAndrew Thompson .roothub_exec = &uss820dci_root_ctrl_task, 249802ac6454SAndrew Thompson }; 2499