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 #include <dev/usb/usb_defs.h> 4002ac6454SAndrew Thompson 4102ac6454SAndrew Thompson #define USB_DEBUG_VAR uss820dcidebug 4202ac6454SAndrew Thompson 4302ac6454SAndrew Thompson #include <dev/usb/usb_core.h> 4402ac6454SAndrew Thompson #include <dev/usb/usb_debug.h> 4502ac6454SAndrew Thompson #include <dev/usb/usb_busdma.h> 4602ac6454SAndrew Thompson #include <dev/usb/usb_process.h> 4702ac6454SAndrew Thompson #include <dev/usb/usb_sw_transfer.h> 4802ac6454SAndrew Thompson #include <dev/usb/usb_transfer.h> 4902ac6454SAndrew Thompson #include <dev/usb/usb_device.h> 5002ac6454SAndrew Thompson #include <dev/usb/usb_hub.h> 5102ac6454SAndrew Thompson #include <dev/usb/usb_util.h> 5202ac6454SAndrew Thompson 5302ac6454SAndrew Thompson #include <dev/usb/usb_controller.h> 5402ac6454SAndrew Thompson #include <dev/usb/usb_bus.h> 5502ac6454SAndrew Thompson #include <dev/usb/controller/uss820dci.h> 5602ac6454SAndrew Thompson 5702ac6454SAndrew Thompson #define USS820_DCI_BUS2SC(bus) \ 5802ac6454SAndrew Thompson ((struct uss820dci_softc *)(((uint8_t *)(bus)) - \ 5902ac6454SAndrew Thompson USB_P2U(&(((struct uss820dci_softc *)0)->sc_bus)))) 6002ac6454SAndrew Thompson 6102ac6454SAndrew Thompson #define USS820_DCI_PC2SC(pc) \ 6202ac6454SAndrew Thompson USS820_DCI_BUS2SC((pc)->tag_parent->info->bus) 6302ac6454SAndrew Thompson 6402ac6454SAndrew Thompson #if USB_DEBUG 6502ac6454SAndrew Thompson static int uss820dcidebug = 0; 6602ac6454SAndrew Thompson 6702ac6454SAndrew Thompson SYSCTL_NODE(_hw_usb2, OID_AUTO, uss820dci, CTLFLAG_RW, 0, "USB uss820dci"); 6802ac6454SAndrew Thompson SYSCTL_INT(_hw_usb2_uss820dci, OID_AUTO, debug, CTLFLAG_RW, 6902ac6454SAndrew Thompson &uss820dcidebug, 0, "uss820dci debug level"); 7002ac6454SAndrew Thompson #endif 7102ac6454SAndrew Thompson 7202ac6454SAndrew Thompson #define USS820_DCI_INTR_ENDPT 1 7302ac6454SAndrew Thompson 7402ac6454SAndrew Thompson /* prototypes */ 7502ac6454SAndrew Thompson 7602ac6454SAndrew Thompson struct usb2_bus_methods uss820dci_bus_methods; 7702ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_bulk_methods; 7802ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_ctrl_methods; 7902ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_intr_methods; 8002ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_isoc_fs_methods; 8102ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_root_ctrl_methods; 8202ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_root_intr_methods; 8302ac6454SAndrew Thompson 8402ac6454SAndrew Thompson static uss820dci_cmd_t uss820dci_setup_rx; 8502ac6454SAndrew Thompson static uss820dci_cmd_t uss820dci_data_rx; 8602ac6454SAndrew Thompson static uss820dci_cmd_t uss820dci_data_tx; 8702ac6454SAndrew Thompson static uss820dci_cmd_t uss820dci_data_tx_sync; 8802ac6454SAndrew Thompson static void uss820dci_device_done(struct usb2_xfer *, usb2_error_t); 8902ac6454SAndrew Thompson static void uss820dci_do_poll(struct usb2_bus *); 9002ac6454SAndrew Thompson static void uss820dci_root_ctrl_poll(struct uss820dci_softc *); 9102ac6454SAndrew Thompson static void uss820dci_standard_done(struct usb2_xfer *); 9202ac6454SAndrew Thompson static void uss820dci_intr_set(struct usb2_xfer *, uint8_t); 9302ac6454SAndrew Thompson static void uss820dci_update_shared_1(struct uss820dci_softc *, uint8_t, 9402ac6454SAndrew Thompson uint8_t, uint8_t); 9502ac6454SAndrew Thompson 9602ac6454SAndrew Thompson static usb2_sw_transfer_func_t uss820dci_root_intr_done; 9702ac6454SAndrew Thompson static usb2_sw_transfer_func_t uss820dci_root_ctrl_done; 9802ac6454SAndrew Thompson 9902ac6454SAndrew Thompson /* 10002ac6454SAndrew Thompson * Here is a list of what the USS820D chip can support. The main 10102ac6454SAndrew Thompson * limitation is that the sum of the buffer sizes must be less than 10202ac6454SAndrew Thompson * 1120 bytes. 10302ac6454SAndrew Thompson */ 10402ac6454SAndrew Thompson static const struct usb2_hw_ep_profile 10502ac6454SAndrew Thompson uss820dci_ep_profile[] = { 10602ac6454SAndrew Thompson 10702ac6454SAndrew Thompson [0] = { 10802ac6454SAndrew Thompson .max_in_frame_size = 32, 10902ac6454SAndrew Thompson .max_out_frame_size = 32, 11002ac6454SAndrew Thompson .is_simplex = 0, 11102ac6454SAndrew Thompson .support_control = 1, 11202ac6454SAndrew Thompson }, 11302ac6454SAndrew Thompson [1] = { 11402ac6454SAndrew Thompson .max_in_frame_size = 64, 11502ac6454SAndrew Thompson .max_out_frame_size = 64, 11602ac6454SAndrew Thompson .is_simplex = 0, 11702ac6454SAndrew Thompson .support_multi_buffer = 1, 11802ac6454SAndrew Thompson .support_bulk = 1, 11902ac6454SAndrew Thompson .support_interrupt = 1, 12002ac6454SAndrew Thompson .support_in = 1, 12102ac6454SAndrew Thompson .support_out = 1, 12202ac6454SAndrew Thompson }, 12302ac6454SAndrew Thompson [2] = { 12402ac6454SAndrew Thompson .max_in_frame_size = 8, 12502ac6454SAndrew Thompson .max_out_frame_size = 8, 12602ac6454SAndrew Thompson .is_simplex = 0, 12702ac6454SAndrew Thompson .support_multi_buffer = 1, 12802ac6454SAndrew Thompson .support_bulk = 1, 12902ac6454SAndrew Thompson .support_interrupt = 1, 13002ac6454SAndrew Thompson .support_in = 1, 13102ac6454SAndrew Thompson .support_out = 1, 13202ac6454SAndrew Thompson }, 13302ac6454SAndrew Thompson [3] = { 13402ac6454SAndrew Thompson .max_in_frame_size = 256, 13502ac6454SAndrew Thompson .max_out_frame_size = 256, 13602ac6454SAndrew Thompson .is_simplex = 0, 13702ac6454SAndrew Thompson .support_multi_buffer = 1, 13802ac6454SAndrew Thompson .support_isochronous = 1, 13902ac6454SAndrew Thompson .support_in = 1, 14002ac6454SAndrew Thompson .support_out = 1, 14102ac6454SAndrew Thompson }, 14202ac6454SAndrew Thompson }; 14302ac6454SAndrew Thompson 14402ac6454SAndrew Thompson static void 14502ac6454SAndrew Thompson uss820dci_update_shared_1(struct uss820dci_softc *sc, uint8_t reg, 14602ac6454SAndrew Thompson uint8_t keep_mask, uint8_t set_mask) 14702ac6454SAndrew Thompson { 14802ac6454SAndrew Thompson uint8_t temp; 14902ac6454SAndrew Thompson 15002ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_PEND, 1); 15102ac6454SAndrew Thompson temp = USS820_READ_1(sc, reg); 15202ac6454SAndrew Thompson temp &= (keep_mask); 15302ac6454SAndrew Thompson temp |= (set_mask); 15402ac6454SAndrew Thompson USS820_WRITE_1(sc, reg, temp); 15502ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_PEND, 0); 15602ac6454SAndrew Thompson } 15702ac6454SAndrew Thompson 15802ac6454SAndrew Thompson static void 15902ac6454SAndrew Thompson uss820dci_get_hw_ep_profile(struct usb2_device *udev, 16002ac6454SAndrew Thompson const struct usb2_hw_ep_profile **ppf, uint8_t ep_addr) 16102ac6454SAndrew Thompson { 16202ac6454SAndrew Thompson if (ep_addr == 0) { 16302ac6454SAndrew Thompson *ppf = uss820dci_ep_profile + 0; 16402ac6454SAndrew Thompson } else if (ep_addr < 5) { 16502ac6454SAndrew Thompson *ppf = uss820dci_ep_profile + 1; 16602ac6454SAndrew Thompson } else if (ep_addr < 7) { 16702ac6454SAndrew Thompson *ppf = uss820dci_ep_profile + 2; 16802ac6454SAndrew Thompson } else if (ep_addr == 7) { 16902ac6454SAndrew Thompson *ppf = uss820dci_ep_profile + 3; 17002ac6454SAndrew Thompson } else { 17102ac6454SAndrew Thompson *ppf = NULL; 17202ac6454SAndrew Thompson } 17302ac6454SAndrew Thompson } 17402ac6454SAndrew Thompson 17502ac6454SAndrew Thompson static void 17602ac6454SAndrew Thompson uss820dci_pull_up(struct uss820dci_softc *sc) 17702ac6454SAndrew Thompson { 17802ac6454SAndrew Thompson uint8_t temp; 17902ac6454SAndrew Thompson 18002ac6454SAndrew Thompson /* pullup D+, if possible */ 18102ac6454SAndrew Thompson 18202ac6454SAndrew Thompson if (!sc->sc_flags.d_pulled_up && 18302ac6454SAndrew Thompson sc->sc_flags.port_powered) { 18402ac6454SAndrew Thompson sc->sc_flags.d_pulled_up = 1; 18502ac6454SAndrew Thompson 18602ac6454SAndrew Thompson DPRINTF("\n"); 18702ac6454SAndrew Thompson 18802ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_MCSR); 18902ac6454SAndrew Thompson temp |= USS820_MCSR_DPEN; 19002ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_MCSR, temp); 19102ac6454SAndrew Thompson } 19202ac6454SAndrew Thompson } 19302ac6454SAndrew Thompson 19402ac6454SAndrew Thompson static void 19502ac6454SAndrew Thompson uss820dci_pull_down(struct uss820dci_softc *sc) 19602ac6454SAndrew Thompson { 19702ac6454SAndrew Thompson uint8_t temp; 19802ac6454SAndrew Thompson 19902ac6454SAndrew Thompson /* pulldown D+, if possible */ 20002ac6454SAndrew Thompson 20102ac6454SAndrew Thompson if (sc->sc_flags.d_pulled_up) { 20202ac6454SAndrew Thompson sc->sc_flags.d_pulled_up = 0; 20302ac6454SAndrew Thompson 20402ac6454SAndrew Thompson DPRINTF("\n"); 20502ac6454SAndrew Thompson 20602ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_MCSR); 20702ac6454SAndrew Thompson temp &= ~USS820_MCSR_DPEN; 20802ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_MCSR, temp); 20902ac6454SAndrew Thompson } 21002ac6454SAndrew Thompson } 21102ac6454SAndrew Thompson 21202ac6454SAndrew Thompson static void 21302ac6454SAndrew Thompson uss820dci_wakeup_peer(struct uss820dci_softc *sc) 21402ac6454SAndrew Thompson { 21502ac6454SAndrew Thompson if (!(sc->sc_flags.status_suspend)) { 21602ac6454SAndrew Thompson return; 21702ac6454SAndrew Thompson } 21802ac6454SAndrew Thompson DPRINTFN(0, "not supported\n"); 21902ac6454SAndrew Thompson } 22002ac6454SAndrew Thompson 22102ac6454SAndrew Thompson static void 22202ac6454SAndrew Thompson uss820dci_set_address(struct uss820dci_softc *sc, uint8_t addr) 22302ac6454SAndrew Thompson { 22402ac6454SAndrew Thompson DPRINTFN(5, "addr=%d\n", addr); 22502ac6454SAndrew Thompson 22602ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_FADDR, addr); 22702ac6454SAndrew Thompson } 22802ac6454SAndrew Thompson 22902ac6454SAndrew Thompson static uint8_t 23002ac6454SAndrew Thompson uss820dci_setup_rx(struct uss820dci_td *td) 23102ac6454SAndrew Thompson { 23202ac6454SAndrew Thompson struct uss820dci_softc *sc; 23302ac6454SAndrew Thompson struct usb2_device_request req; 23402ac6454SAndrew Thompson uint16_t count; 23502ac6454SAndrew Thompson uint8_t rx_stat; 23602ac6454SAndrew Thompson uint8_t temp; 23702ac6454SAndrew Thompson 23802ac6454SAndrew Thompson /* select the correct endpoint */ 23902ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 24002ac6454SAndrew Thompson td->ep_reg, td->ep_index); 24102ac6454SAndrew Thompson 24202ac6454SAndrew Thompson /* read out FIFO status */ 24302ac6454SAndrew Thompson rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 24402ac6454SAndrew Thompson td->rx_stat_reg); 24502ac6454SAndrew Thompson 24602ac6454SAndrew Thompson /* get pointer to softc */ 24702ac6454SAndrew Thompson sc = USS820_DCI_PC2SC(td->pc); 24802ac6454SAndrew Thompson 24902ac6454SAndrew Thompson DPRINTFN(5, "rx_stat=0x%02x rem=%u\n", rx_stat, td->remainder); 25002ac6454SAndrew Thompson 25102ac6454SAndrew Thompson if (!(rx_stat & USS820_RXSTAT_RXSETUP)) { 25202ac6454SAndrew Thompson /* abort any ongoing transfer */ 25302ac6454SAndrew Thompson if (!td->did_stall) { 25402ac6454SAndrew Thompson DPRINTFN(5, "stalling\n"); 25502ac6454SAndrew Thompson 25602ac6454SAndrew Thompson /* set stall */ 25702ac6454SAndrew Thompson 25802ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, 25902ac6454SAndrew Thompson (USS820_EPCON_TXSTL | USS820_EPCON_RXSTL)); 26002ac6454SAndrew Thompson 26102ac6454SAndrew Thompson td->did_stall = 1; 26202ac6454SAndrew Thompson } 26302ac6454SAndrew Thompson goto not_complete; 26402ac6454SAndrew Thompson } 26502ac6454SAndrew Thompson /* clear stall and all I/O */ 26602ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_EPCON, 26702ac6454SAndrew Thompson 0xFF ^ (USS820_EPCON_TXSTL | 26802ac6454SAndrew Thompson USS820_EPCON_RXSTL | 26902ac6454SAndrew Thompson USS820_EPCON_RXIE | 27002ac6454SAndrew Thompson USS820_EPCON_TXOE), 0); 27102ac6454SAndrew Thompson 27202ac6454SAndrew Thompson /* clear end overwrite flag */ 27302ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_RXSTAT, 27402ac6454SAndrew Thompson 0xFF ^ USS820_RXSTAT_EDOVW, 0); 27502ac6454SAndrew Thompson 27602ac6454SAndrew Thompson /* get the packet byte count */ 27702ac6454SAndrew Thompson count = bus_space_read_1(td->io_tag, td->io_hdl, 27802ac6454SAndrew Thompson td->rx_count_low_reg); 27902ac6454SAndrew Thompson count |= (bus_space_read_1(td->io_tag, td->io_hdl, 28002ac6454SAndrew Thompson td->rx_count_high_reg) << 8); 28102ac6454SAndrew Thompson count &= 0x3FF; 28202ac6454SAndrew Thompson 28302ac6454SAndrew Thompson /* verify data length */ 28402ac6454SAndrew Thompson if (count != td->remainder) { 28502ac6454SAndrew Thompson DPRINTFN(0, "Invalid SETUP packet " 28602ac6454SAndrew Thompson "length, %d bytes\n", count); 28702ac6454SAndrew Thompson goto not_complete; 28802ac6454SAndrew Thompson } 28902ac6454SAndrew Thompson if (count != sizeof(req)) { 29002ac6454SAndrew Thompson DPRINTFN(0, "Unsupported SETUP packet " 29102ac6454SAndrew Thompson "length, %d bytes\n", count); 29202ac6454SAndrew Thompson goto not_complete; 29302ac6454SAndrew Thompson } 29402ac6454SAndrew Thompson /* receive data */ 29502ac6454SAndrew Thompson bus_space_read_multi_1(td->io_tag, td->io_hdl, 29602ac6454SAndrew Thompson td->rx_fifo_reg, (void *)&req, sizeof(req)); 29702ac6454SAndrew Thompson 29802ac6454SAndrew Thompson /* read out FIFO status */ 29902ac6454SAndrew Thompson rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 30002ac6454SAndrew Thompson td->rx_stat_reg); 30102ac6454SAndrew Thompson 30202ac6454SAndrew Thompson if (rx_stat & (USS820_RXSTAT_EDOVW | 30302ac6454SAndrew Thompson USS820_RXSTAT_STOVW)) { 30402ac6454SAndrew Thompson DPRINTF("new SETUP packet received\n"); 30502ac6454SAndrew Thompson return (1); /* not complete */ 30602ac6454SAndrew Thompson } 30702ac6454SAndrew Thompson /* clear receive setup bit */ 30802ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_RXSTAT, 30902ac6454SAndrew Thompson 0xFF ^ (USS820_RXSTAT_RXSETUP | 31002ac6454SAndrew Thompson USS820_RXSTAT_EDOVW | 31102ac6454SAndrew Thompson USS820_RXSTAT_STOVW), 0); 31202ac6454SAndrew Thompson 31302ac6454SAndrew Thompson /* set RXFFRC bit */ 31402ac6454SAndrew Thompson temp = bus_space_read_1(td->io_tag, td->io_hdl, 31502ac6454SAndrew Thompson td->rx_cntl_reg); 31602ac6454SAndrew Thompson temp |= USS820_RXCON_RXFFRC; 31702ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 31802ac6454SAndrew Thompson td->rx_cntl_reg, temp); 31902ac6454SAndrew Thompson 32002ac6454SAndrew Thompson /* copy data into real buffer */ 32102ac6454SAndrew Thompson usb2_copy_in(td->pc, 0, &req, sizeof(req)); 32202ac6454SAndrew Thompson 32302ac6454SAndrew Thompson td->offset = sizeof(req); 32402ac6454SAndrew Thompson td->remainder = 0; 32502ac6454SAndrew Thompson 32602ac6454SAndrew Thompson /* sneak peek the set address */ 32702ac6454SAndrew Thompson if ((req.bmRequestType == UT_WRITE_DEVICE) && 32802ac6454SAndrew Thompson (req.bRequest == UR_SET_ADDRESS)) { 32902ac6454SAndrew Thompson sc->sc_dv_addr = req.wValue[0] & 0x7F; 33002ac6454SAndrew Thompson } else { 33102ac6454SAndrew Thompson sc->sc_dv_addr = 0xFF; 33202ac6454SAndrew Thompson } 33302ac6454SAndrew Thompson return (0); /* complete */ 33402ac6454SAndrew Thompson 33502ac6454SAndrew Thompson not_complete: 33602ac6454SAndrew Thompson /* clear end overwrite flag, if any */ 33702ac6454SAndrew Thompson if (rx_stat & USS820_RXSTAT_RXSETUP) { 33802ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_RXSTAT, 33902ac6454SAndrew Thompson 0xFF ^ (USS820_RXSTAT_EDOVW | 34002ac6454SAndrew Thompson USS820_RXSTAT_STOVW | 34102ac6454SAndrew Thompson USS820_RXSTAT_RXSETUP), 0); 34202ac6454SAndrew Thompson } 34302ac6454SAndrew Thompson return (1); /* not complete */ 34402ac6454SAndrew Thompson 34502ac6454SAndrew Thompson } 34602ac6454SAndrew Thompson 34702ac6454SAndrew Thompson static uint8_t 34802ac6454SAndrew Thompson uss820dci_data_rx(struct uss820dci_td *td) 34902ac6454SAndrew Thompson { 35002ac6454SAndrew Thompson struct usb2_page_search buf_res; 35102ac6454SAndrew Thompson uint16_t count; 35202ac6454SAndrew Thompson uint8_t rx_flag; 35302ac6454SAndrew Thompson uint8_t rx_stat; 35402ac6454SAndrew Thompson uint8_t rx_cntl; 35502ac6454SAndrew Thompson uint8_t to; 35602ac6454SAndrew Thompson uint8_t got_short; 35702ac6454SAndrew Thompson 35802ac6454SAndrew Thompson to = 2; /* don't loop forever! */ 35902ac6454SAndrew Thompson got_short = 0; 36002ac6454SAndrew Thompson 36102ac6454SAndrew Thompson /* select the correct endpoint */ 36202ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, td->ep_reg, td->ep_index); 36302ac6454SAndrew Thompson 36402ac6454SAndrew Thompson /* check if any of the FIFO banks have data */ 36502ac6454SAndrew Thompson repeat: 36602ac6454SAndrew Thompson /* read out FIFO flag */ 36702ac6454SAndrew Thompson rx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 36802ac6454SAndrew Thompson td->rx_flag_reg); 36902ac6454SAndrew Thompson /* read out FIFO status */ 37002ac6454SAndrew Thompson rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 37102ac6454SAndrew Thompson td->rx_stat_reg); 37202ac6454SAndrew Thompson 37302ac6454SAndrew Thompson DPRINTFN(5, "rx_stat=0x%02x rx_flag=0x%02x rem=%u\n", 37402ac6454SAndrew Thompson rx_stat, rx_flag, td->remainder); 37502ac6454SAndrew Thompson 37602ac6454SAndrew Thompson if (rx_stat & (USS820_RXSTAT_RXSETUP | 37702ac6454SAndrew Thompson USS820_RXSTAT_RXSOVW | 37802ac6454SAndrew Thompson USS820_RXSTAT_EDOVW)) { 37902ac6454SAndrew Thompson if (td->remainder == 0) { 38002ac6454SAndrew Thompson /* 38102ac6454SAndrew Thompson * We are actually complete and have 38202ac6454SAndrew Thompson * received the next SETUP 38302ac6454SAndrew Thompson */ 38402ac6454SAndrew Thompson DPRINTFN(5, "faking complete\n"); 38502ac6454SAndrew Thompson return (0); /* complete */ 38602ac6454SAndrew Thompson } 38702ac6454SAndrew Thompson /* 38802ac6454SAndrew Thompson * USB Host Aborted the transfer. 38902ac6454SAndrew Thompson */ 39002ac6454SAndrew Thompson td->error = 1; 39102ac6454SAndrew Thompson return (0); /* complete */ 39202ac6454SAndrew Thompson } 39302ac6454SAndrew Thompson /* check for errors */ 39402ac6454SAndrew Thompson if (rx_flag & (USS820_RXFLG_RXOVF | 39502ac6454SAndrew Thompson USS820_RXFLG_RXURF)) { 39602ac6454SAndrew Thompson DPRINTFN(5, "overflow or underflow\n"); 39702ac6454SAndrew Thompson /* should not happen */ 39802ac6454SAndrew Thompson td->error = 1; 39902ac6454SAndrew Thompson return (0); /* complete */ 40002ac6454SAndrew Thompson } 40102ac6454SAndrew Thompson /* check status */ 40202ac6454SAndrew Thompson if (!(rx_flag & (USS820_RXFLG_RXFIF0 | 40302ac6454SAndrew Thompson USS820_RXFLG_RXFIF1))) { 40402ac6454SAndrew Thompson 40502ac6454SAndrew Thompson /* read out EPCON register */ 40602ac6454SAndrew Thompson /* enable RX input */ 40702ac6454SAndrew Thompson if (!td->did_stall) { 40802ac6454SAndrew Thompson uss820dci_update_shared_1(USS820_DCI_PC2SC(td->pc), 40902ac6454SAndrew Thompson USS820_EPCON, 0xFF, USS820_EPCON_RXIE); 41002ac6454SAndrew Thompson td->did_stall = 1; 41102ac6454SAndrew Thompson } 41202ac6454SAndrew Thompson return (1); /* not complete */ 41302ac6454SAndrew Thompson } 41402ac6454SAndrew Thompson /* get the packet byte count */ 41502ac6454SAndrew Thompson count = bus_space_read_1(td->io_tag, td->io_hdl, 41602ac6454SAndrew Thompson td->rx_count_low_reg); 41702ac6454SAndrew Thompson 41802ac6454SAndrew Thompson count |= (bus_space_read_1(td->io_tag, td->io_hdl, 41902ac6454SAndrew Thompson td->rx_count_high_reg) << 8); 42002ac6454SAndrew Thompson count &= 0x3FF; 42102ac6454SAndrew Thompson 42202ac6454SAndrew Thompson DPRINTFN(5, "count=0x%04x\n", count); 42302ac6454SAndrew Thompson 42402ac6454SAndrew Thompson /* verify the packet byte count */ 42502ac6454SAndrew Thompson if (count != td->max_packet_size) { 42602ac6454SAndrew Thompson if (count < td->max_packet_size) { 42702ac6454SAndrew Thompson /* we have a short packet */ 42802ac6454SAndrew Thompson td->short_pkt = 1; 42902ac6454SAndrew Thompson got_short = 1; 43002ac6454SAndrew Thompson } else { 43102ac6454SAndrew Thompson /* invalid USB packet */ 43202ac6454SAndrew Thompson td->error = 1; 43302ac6454SAndrew Thompson return (0); /* we are complete */ 43402ac6454SAndrew Thompson } 43502ac6454SAndrew Thompson } 43602ac6454SAndrew Thompson /* verify the packet byte count */ 43702ac6454SAndrew Thompson if (count > td->remainder) { 43802ac6454SAndrew Thompson /* invalid USB packet */ 43902ac6454SAndrew Thompson td->error = 1; 44002ac6454SAndrew Thompson return (0); /* we are complete */ 44102ac6454SAndrew Thompson } 44202ac6454SAndrew Thompson while (count > 0) { 44302ac6454SAndrew Thompson usb2_get_page(td->pc, td->offset, &buf_res); 44402ac6454SAndrew Thompson 44502ac6454SAndrew Thompson /* get correct length */ 44602ac6454SAndrew Thompson if (buf_res.length > count) { 44702ac6454SAndrew Thompson buf_res.length = count; 44802ac6454SAndrew Thompson } 44902ac6454SAndrew Thompson /* receive data */ 45002ac6454SAndrew Thompson bus_space_read_multi_1(td->io_tag, td->io_hdl, 45102ac6454SAndrew Thompson td->rx_fifo_reg, buf_res.buffer, buf_res.length); 45202ac6454SAndrew Thompson 45302ac6454SAndrew Thompson /* update counters */ 45402ac6454SAndrew Thompson count -= buf_res.length; 45502ac6454SAndrew Thompson td->offset += buf_res.length; 45602ac6454SAndrew Thompson td->remainder -= buf_res.length; 45702ac6454SAndrew Thompson } 45802ac6454SAndrew Thompson 45902ac6454SAndrew Thompson /* set RXFFRC bit */ 46002ac6454SAndrew Thompson rx_cntl = bus_space_read_1(td->io_tag, td->io_hdl, 46102ac6454SAndrew Thompson td->rx_cntl_reg); 46202ac6454SAndrew Thompson rx_cntl |= USS820_RXCON_RXFFRC; 46302ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 46402ac6454SAndrew Thompson td->rx_cntl_reg, rx_cntl); 46502ac6454SAndrew Thompson 46602ac6454SAndrew Thompson /* check if we are complete */ 46702ac6454SAndrew Thompson if ((td->remainder == 0) || got_short) { 46802ac6454SAndrew Thompson if (td->short_pkt) { 46902ac6454SAndrew Thompson /* we are complete */ 47002ac6454SAndrew Thompson return (0); 47102ac6454SAndrew Thompson } 47202ac6454SAndrew Thompson /* else need to receive a zero length packet */ 47302ac6454SAndrew Thompson } 47402ac6454SAndrew Thompson if (--to) { 47502ac6454SAndrew Thompson goto repeat; 47602ac6454SAndrew Thompson } 47702ac6454SAndrew Thompson return (1); /* not complete */ 47802ac6454SAndrew Thompson } 47902ac6454SAndrew Thompson 48002ac6454SAndrew Thompson static uint8_t 48102ac6454SAndrew Thompson uss820dci_data_tx(struct uss820dci_td *td) 48202ac6454SAndrew Thompson { 48302ac6454SAndrew Thompson struct usb2_page_search buf_res; 48402ac6454SAndrew Thompson uint16_t count; 48502ac6454SAndrew Thompson uint16_t count_copy; 48602ac6454SAndrew Thompson uint8_t rx_stat; 48702ac6454SAndrew Thompson uint8_t tx_flag; 48802ac6454SAndrew Thompson uint8_t to; 48902ac6454SAndrew Thompson 49002ac6454SAndrew Thompson /* select the correct endpoint */ 49102ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 49202ac6454SAndrew Thompson td->ep_reg, td->ep_index); 49302ac6454SAndrew Thompson 49402ac6454SAndrew Thompson to = 2; /* don't loop forever! */ 49502ac6454SAndrew Thompson 49602ac6454SAndrew Thompson repeat: 49702ac6454SAndrew Thompson /* read out TX FIFO flags */ 49802ac6454SAndrew Thompson tx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 49902ac6454SAndrew Thompson td->tx_flag_reg); 50002ac6454SAndrew Thompson 50102ac6454SAndrew Thompson /* read out RX FIFO status last */ 50202ac6454SAndrew Thompson rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 50302ac6454SAndrew Thompson td->rx_stat_reg); 50402ac6454SAndrew Thompson 50502ac6454SAndrew Thompson DPRINTFN(5, "rx_stat=0x%02x tx_flag=0x%02x rem=%u\n", 50602ac6454SAndrew Thompson rx_stat, tx_flag, td->remainder); 50702ac6454SAndrew Thompson 50802ac6454SAndrew Thompson if (rx_stat & (USS820_RXSTAT_RXSETUP | 50902ac6454SAndrew Thompson USS820_RXSTAT_RXSOVW | 51002ac6454SAndrew Thompson USS820_RXSTAT_EDOVW)) { 51102ac6454SAndrew Thompson /* 51202ac6454SAndrew Thompson * The current transfer was aborted 51302ac6454SAndrew Thompson * by the USB Host 51402ac6454SAndrew Thompson */ 51502ac6454SAndrew Thompson td->error = 1; 51602ac6454SAndrew Thompson return (0); /* complete */ 51702ac6454SAndrew Thompson } 51802ac6454SAndrew Thompson if (tx_flag & (USS820_TXFLG_TXOVF | 51902ac6454SAndrew Thompson USS820_TXFLG_TXURF)) { 52002ac6454SAndrew Thompson td->error = 1; 52102ac6454SAndrew Thompson return (0); /* complete */ 52202ac6454SAndrew Thompson } 52302ac6454SAndrew Thompson if (tx_flag & USS820_TXFLG_TXFIF0) { 52402ac6454SAndrew Thompson if (tx_flag & USS820_TXFLG_TXFIF1) { 52502ac6454SAndrew Thompson return (1); /* not complete */ 52602ac6454SAndrew Thompson } 52702ac6454SAndrew Thompson } 52802ac6454SAndrew Thompson if ((!td->support_multi_buffer) && 52902ac6454SAndrew Thompson (tx_flag & (USS820_TXFLG_TXFIF0 | 53002ac6454SAndrew Thompson USS820_TXFLG_TXFIF1))) { 53102ac6454SAndrew Thompson return (1); /* not complete */ 53202ac6454SAndrew Thompson } 53302ac6454SAndrew Thompson count = td->max_packet_size; 53402ac6454SAndrew Thompson if (td->remainder < count) { 53502ac6454SAndrew Thompson /* we have a short packet */ 53602ac6454SAndrew Thompson td->short_pkt = 1; 53702ac6454SAndrew Thompson count = td->remainder; 53802ac6454SAndrew Thompson } 53902ac6454SAndrew Thompson count_copy = count; 54002ac6454SAndrew Thompson while (count > 0) { 54102ac6454SAndrew Thompson 54202ac6454SAndrew Thompson usb2_get_page(td->pc, td->offset, &buf_res); 54302ac6454SAndrew Thompson 54402ac6454SAndrew Thompson /* get correct length */ 54502ac6454SAndrew Thompson if (buf_res.length > count) { 54602ac6454SAndrew Thompson buf_res.length = count; 54702ac6454SAndrew Thompson } 54802ac6454SAndrew Thompson /* transmit data */ 54902ac6454SAndrew Thompson bus_space_write_multi_1(td->io_tag, td->io_hdl, 55002ac6454SAndrew Thompson td->tx_fifo_reg, buf_res.buffer, buf_res.length); 55102ac6454SAndrew Thompson 55202ac6454SAndrew Thompson /* update counters */ 55302ac6454SAndrew Thompson count -= buf_res.length; 55402ac6454SAndrew Thompson td->offset += buf_res.length; 55502ac6454SAndrew Thompson td->remainder -= buf_res.length; 55602ac6454SAndrew Thompson } 55702ac6454SAndrew Thompson 55802ac6454SAndrew Thompson /* post-write high packet byte count first */ 55902ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 56002ac6454SAndrew Thompson td->tx_count_high_reg, count_copy >> 8); 56102ac6454SAndrew Thompson 56202ac6454SAndrew Thompson /* post-write low packet byte count last */ 56302ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 56402ac6454SAndrew Thompson td->tx_count_low_reg, count_copy); 56502ac6454SAndrew Thompson 56602ac6454SAndrew Thompson /* 56702ac6454SAndrew Thompson * Enable TX output, which must happen after that we have written 56802ac6454SAndrew Thompson * data into the FIFO. This is undocumented. 56902ac6454SAndrew Thompson */ 57002ac6454SAndrew Thompson if (!td->did_stall) { 57102ac6454SAndrew Thompson uss820dci_update_shared_1(USS820_DCI_PC2SC(td->pc), 57202ac6454SAndrew Thompson USS820_EPCON, 0xFF, USS820_EPCON_TXOE); 57302ac6454SAndrew Thompson td->did_stall = 1; 57402ac6454SAndrew Thompson } 57502ac6454SAndrew Thompson /* check remainder */ 57602ac6454SAndrew Thompson if (td->remainder == 0) { 57702ac6454SAndrew Thompson if (td->short_pkt) { 57802ac6454SAndrew Thompson return (0); /* complete */ 57902ac6454SAndrew Thompson } 58002ac6454SAndrew Thompson /* else we need to transmit a short packet */ 58102ac6454SAndrew Thompson } 58202ac6454SAndrew Thompson if (--to) { 58302ac6454SAndrew Thompson goto repeat; 58402ac6454SAndrew Thompson } 58502ac6454SAndrew Thompson return (1); /* not complete */ 58602ac6454SAndrew Thompson } 58702ac6454SAndrew Thompson 58802ac6454SAndrew Thompson static uint8_t 58902ac6454SAndrew Thompson uss820dci_data_tx_sync(struct uss820dci_td *td) 59002ac6454SAndrew Thompson { 59102ac6454SAndrew Thompson struct uss820dci_softc *sc; 59202ac6454SAndrew Thompson uint8_t rx_stat; 59302ac6454SAndrew Thompson uint8_t tx_flag; 59402ac6454SAndrew Thompson 59502ac6454SAndrew Thompson /* select the correct endpoint */ 59602ac6454SAndrew Thompson bus_space_write_1(td->io_tag, td->io_hdl, 59702ac6454SAndrew Thompson td->ep_reg, td->ep_index); 59802ac6454SAndrew Thompson 59902ac6454SAndrew Thompson /* read out TX FIFO flag */ 60002ac6454SAndrew Thompson tx_flag = bus_space_read_1(td->io_tag, td->io_hdl, 60102ac6454SAndrew Thompson td->tx_flag_reg); 60202ac6454SAndrew Thompson 60302ac6454SAndrew Thompson /* read out RX FIFO status last */ 60402ac6454SAndrew Thompson rx_stat = bus_space_read_1(td->io_tag, td->io_hdl, 60502ac6454SAndrew Thompson td->rx_stat_reg); 60602ac6454SAndrew Thompson 60702ac6454SAndrew Thompson DPRINTFN(5, "rx_stat=0x%02x rem=%u\n", rx_stat, td->remainder); 60802ac6454SAndrew Thompson 60902ac6454SAndrew Thompson if (rx_stat & (USS820_RXSTAT_RXSETUP | 61002ac6454SAndrew Thompson USS820_RXSTAT_RXSOVW | 61102ac6454SAndrew Thompson USS820_RXSTAT_EDOVW)) { 61202ac6454SAndrew Thompson DPRINTFN(5, "faking complete\n"); 61302ac6454SAndrew Thompson /* Race condition */ 61402ac6454SAndrew Thompson return (0); /* complete */ 61502ac6454SAndrew Thompson } 61602ac6454SAndrew Thompson DPRINTFN(5, "tx_flag=0x%02x rem=%u\n", 61702ac6454SAndrew Thompson tx_flag, td->remainder); 61802ac6454SAndrew Thompson 61902ac6454SAndrew Thompson if (tx_flag & (USS820_TXFLG_TXOVF | 62002ac6454SAndrew Thompson USS820_TXFLG_TXURF)) { 62102ac6454SAndrew Thompson td->error = 1; 62202ac6454SAndrew Thompson return (0); /* complete */ 62302ac6454SAndrew Thompson } 62402ac6454SAndrew Thompson if (tx_flag & (USS820_TXFLG_TXFIF0 | 62502ac6454SAndrew Thompson USS820_TXFLG_TXFIF1)) { 62602ac6454SAndrew Thompson return (1); /* not complete */ 62702ac6454SAndrew Thompson } 62802ac6454SAndrew Thompson sc = USS820_DCI_PC2SC(td->pc); 62902ac6454SAndrew Thompson if (sc->sc_dv_addr != 0xFF) { 63002ac6454SAndrew Thompson /* write function address */ 63102ac6454SAndrew Thompson uss820dci_set_address(sc, sc->sc_dv_addr); 63202ac6454SAndrew Thompson } 63302ac6454SAndrew Thompson return (0); /* complete */ 63402ac6454SAndrew Thompson } 63502ac6454SAndrew Thompson 63602ac6454SAndrew Thompson static uint8_t 63702ac6454SAndrew Thompson uss820dci_xfer_do_fifo(struct usb2_xfer *xfer) 63802ac6454SAndrew Thompson { 63902ac6454SAndrew Thompson struct uss820dci_td *td; 64002ac6454SAndrew Thompson 64102ac6454SAndrew Thompson DPRINTFN(9, "\n"); 64202ac6454SAndrew Thompson 64302ac6454SAndrew Thompson td = xfer->td_transfer_cache; 64402ac6454SAndrew Thompson while (1) { 64502ac6454SAndrew Thompson if ((td->func) (td)) { 64602ac6454SAndrew Thompson /* operation in progress */ 64702ac6454SAndrew Thompson break; 64802ac6454SAndrew Thompson } 64902ac6454SAndrew Thompson if (((void *)td) == xfer->td_transfer_last) { 65002ac6454SAndrew Thompson goto done; 65102ac6454SAndrew Thompson } 65202ac6454SAndrew Thompson if (td->error) { 65302ac6454SAndrew Thompson goto done; 65402ac6454SAndrew Thompson } else if (td->remainder > 0) { 65502ac6454SAndrew Thompson /* 65602ac6454SAndrew Thompson * We had a short transfer. If there is no alternate 65702ac6454SAndrew Thompson * next, stop processing ! 65802ac6454SAndrew Thompson */ 65902ac6454SAndrew Thompson if (!td->alt_next) { 66002ac6454SAndrew Thompson goto done; 66102ac6454SAndrew Thompson } 66202ac6454SAndrew Thompson } 66302ac6454SAndrew Thompson /* 66402ac6454SAndrew Thompson * Fetch the next transfer descriptor. 66502ac6454SAndrew Thompson */ 66602ac6454SAndrew Thompson td = td->obj_next; 66702ac6454SAndrew Thompson xfer->td_transfer_cache = td; 66802ac6454SAndrew Thompson } 66902ac6454SAndrew Thompson return (1); /* not complete */ 67002ac6454SAndrew Thompson 67102ac6454SAndrew Thompson done: 67202ac6454SAndrew Thompson /* compute all actual lengths */ 67302ac6454SAndrew Thompson 67402ac6454SAndrew Thompson uss820dci_standard_done(xfer); 67502ac6454SAndrew Thompson 67602ac6454SAndrew Thompson return (0); /* complete */ 67702ac6454SAndrew Thompson } 67802ac6454SAndrew Thompson 67902ac6454SAndrew Thompson static void 68002ac6454SAndrew Thompson uss820dci_interrupt_poll(struct uss820dci_softc *sc) 68102ac6454SAndrew Thompson { 68202ac6454SAndrew Thompson struct usb2_xfer *xfer; 68302ac6454SAndrew Thompson 68402ac6454SAndrew Thompson repeat: 68502ac6454SAndrew Thompson TAILQ_FOREACH(xfer, &sc->sc_bus.intr_q.head, wait_entry) { 68602ac6454SAndrew Thompson if (!uss820dci_xfer_do_fifo(xfer)) { 68702ac6454SAndrew Thompson /* queue has been modified */ 68802ac6454SAndrew Thompson goto repeat; 68902ac6454SAndrew Thompson } 69002ac6454SAndrew Thompson } 69102ac6454SAndrew Thompson } 69202ac6454SAndrew Thompson 69302ac6454SAndrew Thompson static void 69402ac6454SAndrew Thompson uss820dci_wait_suspend(struct uss820dci_softc *sc, uint8_t on) 69502ac6454SAndrew Thompson { 69602ac6454SAndrew Thompson uint8_t scr; 69702ac6454SAndrew Thompson uint8_t scratch; 69802ac6454SAndrew Thompson 69902ac6454SAndrew Thompson scr = USS820_READ_1(sc, USS820_SCR); 70002ac6454SAndrew Thompson scratch = USS820_READ_1(sc, USS820_SCRATCH); 70102ac6454SAndrew Thompson 70202ac6454SAndrew Thompson if (on) { 70302ac6454SAndrew Thompson scr |= USS820_SCR_IE_SUSP; 70402ac6454SAndrew Thompson scratch &= ~USS820_SCRATCH_IE_RESUME; 70502ac6454SAndrew Thompson } else { 70602ac6454SAndrew Thompson scr &= ~USS820_SCR_IE_SUSP; 70702ac6454SAndrew Thompson scratch |= USS820_SCRATCH_IE_RESUME; 70802ac6454SAndrew Thompson } 70902ac6454SAndrew Thompson 71002ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCR, scr); 71102ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCRATCH, scratch); 71202ac6454SAndrew Thompson } 71302ac6454SAndrew Thompson 71402ac6454SAndrew Thompson void 71502ac6454SAndrew Thompson uss820dci_interrupt(struct uss820dci_softc *sc) 71602ac6454SAndrew Thompson { 71702ac6454SAndrew Thompson uint8_t ssr; 71802ac6454SAndrew Thompson uint8_t event; 71902ac6454SAndrew Thompson 72002ac6454SAndrew Thompson USB_BUS_LOCK(&sc->sc_bus); 72102ac6454SAndrew Thompson 72202ac6454SAndrew Thompson ssr = USS820_READ_1(sc, USS820_SSR); 72302ac6454SAndrew Thompson 72402ac6454SAndrew Thompson ssr &= (USS820_SSR_SUSPEND | 72502ac6454SAndrew Thompson USS820_SSR_RESUME | 72602ac6454SAndrew Thompson USS820_SSR_RESET); 72702ac6454SAndrew Thompson 72802ac6454SAndrew Thompson /* acknowledge all interrupts */ 72902ac6454SAndrew Thompson 73002ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_SSR, 0, 0); 73102ac6454SAndrew Thompson 73202ac6454SAndrew Thompson /* check for any bus state change interrupts */ 73302ac6454SAndrew Thompson 73402ac6454SAndrew Thompson if (ssr) { 73502ac6454SAndrew Thompson 73602ac6454SAndrew Thompson event = 0; 73702ac6454SAndrew Thompson 73802ac6454SAndrew Thompson if (ssr & USS820_SSR_RESET) { 73902ac6454SAndrew Thompson sc->sc_flags.status_bus_reset = 1; 74002ac6454SAndrew Thompson sc->sc_flags.status_suspend = 0; 74102ac6454SAndrew Thompson sc->sc_flags.change_suspend = 0; 74202ac6454SAndrew Thompson sc->sc_flags.change_connect = 1; 74302ac6454SAndrew Thompson 74402ac6454SAndrew Thompson /* disable resume interrupt */ 74502ac6454SAndrew Thompson uss820dci_wait_suspend(sc, 1); 74602ac6454SAndrew Thompson 74702ac6454SAndrew Thompson event = 1; 74802ac6454SAndrew Thompson } 74902ac6454SAndrew Thompson /* 75002ac6454SAndrew Thompson * If "RESUME" and "SUSPEND" is set at the same time 75102ac6454SAndrew Thompson * we interpret that like "RESUME". Resume is set when 75202ac6454SAndrew Thompson * there is at least 3 milliseconds of inactivity on 75302ac6454SAndrew Thompson * the USB BUS. 75402ac6454SAndrew Thompson */ 75502ac6454SAndrew Thompson if (ssr & USS820_SSR_RESUME) { 75602ac6454SAndrew Thompson if (sc->sc_flags.status_suspend) { 75702ac6454SAndrew Thompson sc->sc_flags.status_suspend = 0; 75802ac6454SAndrew Thompson sc->sc_flags.change_suspend = 1; 75902ac6454SAndrew Thompson /* disable resume interrupt */ 76002ac6454SAndrew Thompson uss820dci_wait_suspend(sc, 1); 76102ac6454SAndrew Thompson event = 1; 76202ac6454SAndrew Thompson } 76302ac6454SAndrew Thompson } else if (ssr & USS820_SSR_SUSPEND) { 76402ac6454SAndrew Thompson if (!sc->sc_flags.status_suspend) { 76502ac6454SAndrew Thompson sc->sc_flags.status_suspend = 1; 76602ac6454SAndrew Thompson sc->sc_flags.change_suspend = 1; 76702ac6454SAndrew Thompson /* enable resume interrupt */ 76802ac6454SAndrew Thompson uss820dci_wait_suspend(sc, 0); 76902ac6454SAndrew Thompson event = 1; 77002ac6454SAndrew Thompson } 77102ac6454SAndrew Thompson } 77202ac6454SAndrew Thompson if (event) { 77302ac6454SAndrew Thompson 77402ac6454SAndrew Thompson DPRINTF("real bus interrupt 0x%02x\n", ssr); 77502ac6454SAndrew Thompson 77602ac6454SAndrew Thompson /* complete root HUB interrupt endpoint */ 77702ac6454SAndrew Thompson 77802ac6454SAndrew Thompson usb2_sw_transfer(&sc->sc_root_intr, 77902ac6454SAndrew Thompson &uss820dci_root_intr_done); 78002ac6454SAndrew Thompson } 78102ac6454SAndrew Thompson } 78202ac6454SAndrew Thompson /* acknowledge all SBI interrupts */ 78302ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_SBI, 0, 0); 78402ac6454SAndrew Thompson 78502ac6454SAndrew Thompson /* acknowledge all SBI1 interrupts */ 78602ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_SBI1, 0, 0); 78702ac6454SAndrew Thompson 78802ac6454SAndrew Thompson /* poll all active transfers */ 78902ac6454SAndrew Thompson uss820dci_interrupt_poll(sc); 79002ac6454SAndrew Thompson 79102ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 79202ac6454SAndrew Thompson } 79302ac6454SAndrew Thompson 79402ac6454SAndrew Thompson static void 79502ac6454SAndrew Thompson uss820dci_setup_standard_chain_sub(struct uss820_std_temp *temp) 79602ac6454SAndrew Thompson { 79702ac6454SAndrew Thompson struct uss820dci_td *td; 79802ac6454SAndrew Thompson 79902ac6454SAndrew Thompson /* get current Transfer Descriptor */ 80002ac6454SAndrew Thompson td = temp->td_next; 80102ac6454SAndrew Thompson temp->td = td; 80202ac6454SAndrew Thompson 80302ac6454SAndrew Thompson /* prepare for next TD */ 80402ac6454SAndrew Thompson temp->td_next = td->obj_next; 80502ac6454SAndrew Thompson 80602ac6454SAndrew Thompson /* fill out the Transfer Descriptor */ 80702ac6454SAndrew Thompson td->func = temp->func; 80802ac6454SAndrew Thompson td->pc = temp->pc; 80902ac6454SAndrew Thompson td->offset = temp->offset; 81002ac6454SAndrew Thompson td->remainder = temp->len; 81102ac6454SAndrew Thompson td->error = 0; 81202ac6454SAndrew Thompson td->did_stall = 0; 81302ac6454SAndrew Thompson td->short_pkt = temp->short_pkt; 81402ac6454SAndrew Thompson td->alt_next = temp->setup_alt_next; 81502ac6454SAndrew Thompson } 81602ac6454SAndrew Thompson 81702ac6454SAndrew Thompson static void 81802ac6454SAndrew Thompson uss820dci_setup_standard_chain(struct usb2_xfer *xfer) 81902ac6454SAndrew Thompson { 82002ac6454SAndrew Thompson struct uss820_std_temp temp; 82102ac6454SAndrew Thompson struct uss820dci_softc *sc; 82202ac6454SAndrew Thompson struct uss820dci_td *td; 82302ac6454SAndrew Thompson uint32_t x; 82402ac6454SAndrew Thompson uint8_t ep_no; 82502ac6454SAndrew Thompson 82602ac6454SAndrew Thompson DPRINTFN(9, "addr=%d endpt=%d sumlen=%d speed=%d\n", 82702ac6454SAndrew Thompson xfer->address, UE_GET_ADDR(xfer->endpoint), 82802ac6454SAndrew Thompson xfer->sumlen, usb2_get_speed(xfer->xroot->udev)); 82902ac6454SAndrew Thompson 83002ac6454SAndrew Thompson temp.max_frame_size = xfer->max_frame_size; 83102ac6454SAndrew Thompson 83202ac6454SAndrew Thompson td = xfer->td_start[0]; 83302ac6454SAndrew Thompson xfer->td_transfer_first = td; 83402ac6454SAndrew Thompson xfer->td_transfer_cache = td; 83502ac6454SAndrew Thompson 83602ac6454SAndrew Thompson /* setup temp */ 83702ac6454SAndrew Thompson 83802ac6454SAndrew Thompson temp.td = NULL; 83902ac6454SAndrew Thompson temp.td_next = xfer->td_start[0]; 84002ac6454SAndrew Thompson temp.setup_alt_next = xfer->flags_int.short_frames_ok; 84102ac6454SAndrew Thompson temp.offset = 0; 84202ac6454SAndrew Thompson 84302ac6454SAndrew Thompson sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 84402ac6454SAndrew Thompson ep_no = (xfer->endpoint & UE_ADDR); 84502ac6454SAndrew Thompson 84602ac6454SAndrew Thompson /* check if we should prepend a setup message */ 84702ac6454SAndrew Thompson 84802ac6454SAndrew Thompson if (xfer->flags_int.control_xfr) { 84902ac6454SAndrew Thompson if (xfer->flags_int.control_hdr) { 85002ac6454SAndrew Thompson 85102ac6454SAndrew Thompson temp.func = &uss820dci_setup_rx; 85202ac6454SAndrew Thompson temp.len = xfer->frlengths[0]; 85302ac6454SAndrew Thompson temp.pc = xfer->frbuffers + 0; 85402ac6454SAndrew Thompson temp.short_pkt = temp.len ? 1 : 0; 85502ac6454SAndrew Thompson 85602ac6454SAndrew Thompson uss820dci_setup_standard_chain_sub(&temp); 85702ac6454SAndrew Thompson } 85802ac6454SAndrew Thompson x = 1; 85902ac6454SAndrew Thompson } else { 86002ac6454SAndrew Thompson x = 0; 86102ac6454SAndrew Thompson } 86202ac6454SAndrew Thompson 86302ac6454SAndrew Thompson if (x != xfer->nframes) { 86402ac6454SAndrew Thompson if (xfer->endpoint & UE_DIR_IN) { 86502ac6454SAndrew Thompson temp.func = &uss820dci_data_tx; 86602ac6454SAndrew Thompson } else { 86702ac6454SAndrew Thompson temp.func = &uss820dci_data_rx; 86802ac6454SAndrew Thompson } 86902ac6454SAndrew Thompson 87002ac6454SAndrew Thompson /* setup "pc" pointer */ 87102ac6454SAndrew Thompson temp.pc = xfer->frbuffers + x; 87202ac6454SAndrew Thompson } 87302ac6454SAndrew Thompson while (x != xfer->nframes) { 87402ac6454SAndrew Thompson 87502ac6454SAndrew Thompson /* DATA0 / DATA1 message */ 87602ac6454SAndrew Thompson 87702ac6454SAndrew Thompson temp.len = xfer->frlengths[x]; 87802ac6454SAndrew Thompson 87902ac6454SAndrew Thompson x++; 88002ac6454SAndrew Thompson 88102ac6454SAndrew Thompson if (x == xfer->nframes) { 88202ac6454SAndrew Thompson temp.setup_alt_next = 0; 88302ac6454SAndrew Thompson } 88402ac6454SAndrew Thompson if (temp.len == 0) { 88502ac6454SAndrew Thompson 88602ac6454SAndrew Thompson /* make sure that we send an USB packet */ 88702ac6454SAndrew Thompson 88802ac6454SAndrew Thompson temp.short_pkt = 0; 88902ac6454SAndrew Thompson 89002ac6454SAndrew Thompson } else { 89102ac6454SAndrew Thompson 89202ac6454SAndrew Thompson /* regular data transfer */ 89302ac6454SAndrew Thompson 89402ac6454SAndrew Thompson temp.short_pkt = (xfer->flags.force_short_xfer) ? 0 : 1; 89502ac6454SAndrew Thompson } 89602ac6454SAndrew Thompson 89702ac6454SAndrew Thompson uss820dci_setup_standard_chain_sub(&temp); 89802ac6454SAndrew Thompson 89902ac6454SAndrew Thompson if (xfer->flags_int.isochronous_xfr) { 90002ac6454SAndrew Thompson temp.offset += temp.len; 90102ac6454SAndrew Thompson } else { 90202ac6454SAndrew Thompson /* get next Page Cache pointer */ 90302ac6454SAndrew Thompson temp.pc = xfer->frbuffers + x; 90402ac6454SAndrew Thompson } 90502ac6454SAndrew Thompson } 90602ac6454SAndrew Thompson 90702ac6454SAndrew Thompson /* always setup a valid "pc" pointer for status and sync */ 90802ac6454SAndrew Thompson temp.pc = xfer->frbuffers + 0; 90902ac6454SAndrew Thompson 91002ac6454SAndrew Thompson /* check if we should append a status stage */ 91102ac6454SAndrew Thompson 91202ac6454SAndrew Thompson if (xfer->flags_int.control_xfr && 91302ac6454SAndrew Thompson !xfer->flags_int.control_act) { 91402ac6454SAndrew Thompson uint8_t need_sync; 91502ac6454SAndrew Thompson 91602ac6454SAndrew Thompson /* 91702ac6454SAndrew Thompson * Send a DATA1 message and invert the current 91802ac6454SAndrew Thompson * endpoint direction. 91902ac6454SAndrew Thompson */ 92002ac6454SAndrew Thompson if (xfer->endpoint & UE_DIR_IN) { 92102ac6454SAndrew Thompson temp.func = &uss820dci_data_rx; 92202ac6454SAndrew Thompson need_sync = 0; 92302ac6454SAndrew Thompson } else { 92402ac6454SAndrew Thompson temp.func = &uss820dci_data_tx; 92502ac6454SAndrew Thompson need_sync = 1; 92602ac6454SAndrew Thompson } 92702ac6454SAndrew Thompson temp.len = 0; 92802ac6454SAndrew Thompson temp.short_pkt = 0; 92902ac6454SAndrew Thompson 93002ac6454SAndrew Thompson uss820dci_setup_standard_chain_sub(&temp); 93102ac6454SAndrew Thompson if (need_sync) { 93202ac6454SAndrew Thompson /* we need a SYNC point after TX */ 93302ac6454SAndrew Thompson temp.func = &uss820dci_data_tx_sync; 93402ac6454SAndrew Thompson temp.len = 0; 93502ac6454SAndrew Thompson temp.short_pkt = 0; 93602ac6454SAndrew Thompson 93702ac6454SAndrew Thompson uss820dci_setup_standard_chain_sub(&temp); 93802ac6454SAndrew Thompson } 93902ac6454SAndrew Thompson } 94002ac6454SAndrew Thompson /* must have at least one frame! */ 94102ac6454SAndrew Thompson td = temp.td; 94202ac6454SAndrew Thompson xfer->td_transfer_last = td; 94302ac6454SAndrew Thompson } 94402ac6454SAndrew Thompson 94502ac6454SAndrew Thompson static void 94602ac6454SAndrew Thompson uss820dci_timeout(void *arg) 94702ac6454SAndrew Thompson { 94802ac6454SAndrew Thompson struct usb2_xfer *xfer = arg; 94902ac6454SAndrew Thompson 95002ac6454SAndrew Thompson DPRINTF("xfer=%p\n", xfer); 95102ac6454SAndrew Thompson 95202ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); 95302ac6454SAndrew Thompson 95402ac6454SAndrew Thompson /* transfer is transferred */ 95502ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_TIMEOUT); 95602ac6454SAndrew Thompson } 95702ac6454SAndrew Thompson 95802ac6454SAndrew Thompson static void 95902ac6454SAndrew Thompson uss820dci_intr_set(struct usb2_xfer *xfer, uint8_t set) 96002ac6454SAndrew Thompson { 96102ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 96202ac6454SAndrew Thompson uint8_t ep_no = (xfer->endpoint & UE_ADDR); 96302ac6454SAndrew Thompson uint8_t ep_reg; 96402ac6454SAndrew Thompson uint8_t temp; 96502ac6454SAndrew Thompson 96602ac6454SAndrew Thompson DPRINTFN(15, "endpoint 0x%02x\n", xfer->endpoint); 96702ac6454SAndrew Thompson 96802ac6454SAndrew Thompson if (ep_no > 3) { 96902ac6454SAndrew Thompson ep_reg = USS820_SBIE1; 97002ac6454SAndrew Thompson } else { 97102ac6454SAndrew Thompson ep_reg = USS820_SBIE; 97202ac6454SAndrew Thompson } 97302ac6454SAndrew Thompson 97402ac6454SAndrew Thompson ep_no &= 3; 97502ac6454SAndrew Thompson ep_no = 1 << (2 * ep_no); 97602ac6454SAndrew Thompson 97702ac6454SAndrew Thompson if (xfer->flags_int.control_xfr) { 97802ac6454SAndrew Thompson if (xfer->flags_int.control_hdr) { 97902ac6454SAndrew Thompson ep_no <<= 1; /* RX interrupt only */ 98002ac6454SAndrew Thompson } else { 98102ac6454SAndrew Thompson ep_no |= (ep_no << 1); /* RX and TX interrupt */ 98202ac6454SAndrew Thompson } 98302ac6454SAndrew Thompson } else { 98402ac6454SAndrew Thompson if (!(xfer->endpoint & UE_DIR_IN)) { 98502ac6454SAndrew Thompson ep_no <<= 1; 98602ac6454SAndrew Thompson } 98702ac6454SAndrew Thompson } 98802ac6454SAndrew Thompson temp = USS820_READ_1(sc, ep_reg); 98902ac6454SAndrew Thompson if (set) { 99002ac6454SAndrew Thompson temp |= ep_no; 99102ac6454SAndrew Thompson } else { 99202ac6454SAndrew Thompson temp &= ~ep_no; 99302ac6454SAndrew Thompson } 99402ac6454SAndrew Thompson USS820_WRITE_1(sc, ep_reg, temp); 99502ac6454SAndrew Thompson } 99602ac6454SAndrew Thompson 99702ac6454SAndrew Thompson static void 99802ac6454SAndrew Thompson uss820dci_start_standard_chain(struct usb2_xfer *xfer) 99902ac6454SAndrew Thompson { 100002ac6454SAndrew Thompson DPRINTFN(9, "\n"); 100102ac6454SAndrew Thompson 100202ac6454SAndrew Thompson /* poll one time */ 100302ac6454SAndrew Thompson if (uss820dci_xfer_do_fifo(xfer)) { 100402ac6454SAndrew Thompson 100502ac6454SAndrew Thompson /* 100602ac6454SAndrew Thompson * Only enable the endpoint interrupt when we are 100702ac6454SAndrew Thompson * actually waiting for data, hence we are dealing 100802ac6454SAndrew Thompson * with level triggered interrupts ! 100902ac6454SAndrew Thompson */ 101002ac6454SAndrew Thompson uss820dci_intr_set(xfer, 1); 101102ac6454SAndrew Thompson 101202ac6454SAndrew Thompson /* put transfer on interrupt queue */ 101302ac6454SAndrew Thompson usb2_transfer_enqueue(&xfer->xroot->bus->intr_q, xfer); 101402ac6454SAndrew Thompson 101502ac6454SAndrew Thompson /* start timeout, if any */ 101602ac6454SAndrew Thompson if (xfer->timeout != 0) { 101702ac6454SAndrew Thompson usb2_transfer_timeout_ms(xfer, 101802ac6454SAndrew Thompson &uss820dci_timeout, xfer->timeout); 101902ac6454SAndrew Thompson } 102002ac6454SAndrew Thompson } 102102ac6454SAndrew Thompson } 102202ac6454SAndrew Thompson 102302ac6454SAndrew Thompson static void 102402ac6454SAndrew Thompson uss820dci_root_intr_done(struct usb2_xfer *xfer, 102502ac6454SAndrew Thompson struct usb2_sw_transfer *std) 102602ac6454SAndrew Thompson { 102702ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 102802ac6454SAndrew Thompson 102902ac6454SAndrew Thompson DPRINTFN(9, "\n"); 103002ac6454SAndrew Thompson 103102ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 103202ac6454SAndrew Thompson 103302ac6454SAndrew Thompson if (std->state != USB_SW_TR_PRE_DATA) { 103402ac6454SAndrew Thompson if (std->state == USB_SW_TR_PRE_CALLBACK) { 103502ac6454SAndrew Thompson /* transfer transferred */ 103602ac6454SAndrew Thompson uss820dci_device_done(xfer, std->err); 103702ac6454SAndrew Thompson } 103802ac6454SAndrew Thompson goto done; 103902ac6454SAndrew Thompson } 104002ac6454SAndrew Thompson /* setup buffer */ 104102ac6454SAndrew Thompson std->ptr = sc->sc_hub_idata; 104202ac6454SAndrew Thompson std->len = sizeof(sc->sc_hub_idata); 104302ac6454SAndrew Thompson 104402ac6454SAndrew Thompson /* set port bit */ 104502ac6454SAndrew Thompson sc->sc_hub_idata[0] = 0x02; /* we only have one port */ 104602ac6454SAndrew Thompson 104702ac6454SAndrew Thompson done: 104802ac6454SAndrew Thompson return; 104902ac6454SAndrew Thompson } 105002ac6454SAndrew Thompson 105102ac6454SAndrew Thompson static usb2_error_t 105202ac6454SAndrew Thompson uss820dci_standard_done_sub(struct usb2_xfer *xfer) 105302ac6454SAndrew Thompson { 105402ac6454SAndrew Thompson struct uss820dci_td *td; 105502ac6454SAndrew Thompson uint32_t len; 105602ac6454SAndrew Thompson uint8_t error; 105702ac6454SAndrew Thompson 105802ac6454SAndrew Thompson DPRINTFN(9, "\n"); 105902ac6454SAndrew Thompson 106002ac6454SAndrew Thompson td = xfer->td_transfer_cache; 106102ac6454SAndrew Thompson 106202ac6454SAndrew Thompson do { 106302ac6454SAndrew Thompson len = td->remainder; 106402ac6454SAndrew Thompson 106502ac6454SAndrew Thompson if (xfer->aframes != xfer->nframes) { 106602ac6454SAndrew Thompson /* 106702ac6454SAndrew Thompson * Verify the length and subtract 106802ac6454SAndrew Thompson * the remainder from "frlengths[]": 106902ac6454SAndrew Thompson */ 107002ac6454SAndrew Thompson if (len > xfer->frlengths[xfer->aframes]) { 107102ac6454SAndrew Thompson td->error = 1; 107202ac6454SAndrew Thompson } else { 107302ac6454SAndrew Thompson xfer->frlengths[xfer->aframes] -= len; 107402ac6454SAndrew Thompson } 107502ac6454SAndrew Thompson } 107602ac6454SAndrew Thompson /* Check for transfer error */ 107702ac6454SAndrew Thompson if (td->error) { 107802ac6454SAndrew Thompson /* the transfer is finished */ 107902ac6454SAndrew Thompson error = 1; 108002ac6454SAndrew Thompson td = NULL; 108102ac6454SAndrew Thompson break; 108202ac6454SAndrew Thompson } 108302ac6454SAndrew Thompson /* Check for short transfer */ 108402ac6454SAndrew Thompson if (len > 0) { 108502ac6454SAndrew Thompson if (xfer->flags_int.short_frames_ok) { 108602ac6454SAndrew Thompson /* follow alt next */ 108702ac6454SAndrew Thompson if (td->alt_next) { 108802ac6454SAndrew Thompson td = td->obj_next; 108902ac6454SAndrew Thompson } else { 109002ac6454SAndrew Thompson td = NULL; 109102ac6454SAndrew Thompson } 109202ac6454SAndrew Thompson } else { 109302ac6454SAndrew Thompson /* the transfer is finished */ 109402ac6454SAndrew Thompson td = NULL; 109502ac6454SAndrew Thompson } 109602ac6454SAndrew Thompson error = 0; 109702ac6454SAndrew Thompson break; 109802ac6454SAndrew Thompson } 109902ac6454SAndrew Thompson td = td->obj_next; 110002ac6454SAndrew Thompson 110102ac6454SAndrew Thompson /* this USB frame is complete */ 110202ac6454SAndrew Thompson error = 0; 110302ac6454SAndrew Thompson break; 110402ac6454SAndrew Thompson 110502ac6454SAndrew Thompson } while (0); 110602ac6454SAndrew Thompson 110702ac6454SAndrew Thompson /* update transfer cache */ 110802ac6454SAndrew Thompson 110902ac6454SAndrew Thompson xfer->td_transfer_cache = td; 111002ac6454SAndrew Thompson 111102ac6454SAndrew Thompson return (error ? 111202ac6454SAndrew Thompson USB_ERR_STALLED : USB_ERR_NORMAL_COMPLETION); 111302ac6454SAndrew Thompson } 111402ac6454SAndrew Thompson 111502ac6454SAndrew Thompson static void 111602ac6454SAndrew Thompson uss820dci_standard_done(struct usb2_xfer *xfer) 111702ac6454SAndrew Thompson { 111802ac6454SAndrew Thompson usb2_error_t err = 0; 111902ac6454SAndrew Thompson 112002ac6454SAndrew Thompson DPRINTFN(13, "xfer=%p pipe=%p transfer done\n", 112102ac6454SAndrew Thompson xfer, xfer->pipe); 112202ac6454SAndrew Thompson 112302ac6454SAndrew Thompson /* reset scanner */ 112402ac6454SAndrew Thompson 112502ac6454SAndrew Thompson xfer->td_transfer_cache = xfer->td_transfer_first; 112602ac6454SAndrew Thompson 112702ac6454SAndrew Thompson if (xfer->flags_int.control_xfr) { 112802ac6454SAndrew Thompson 112902ac6454SAndrew Thompson if (xfer->flags_int.control_hdr) { 113002ac6454SAndrew Thompson 113102ac6454SAndrew Thompson err = uss820dci_standard_done_sub(xfer); 113202ac6454SAndrew Thompson } 113302ac6454SAndrew Thompson xfer->aframes = 1; 113402ac6454SAndrew Thompson 113502ac6454SAndrew Thompson if (xfer->td_transfer_cache == NULL) { 113602ac6454SAndrew Thompson goto done; 113702ac6454SAndrew Thompson } 113802ac6454SAndrew Thompson } 113902ac6454SAndrew Thompson while (xfer->aframes != xfer->nframes) { 114002ac6454SAndrew Thompson 114102ac6454SAndrew Thompson err = uss820dci_standard_done_sub(xfer); 114202ac6454SAndrew Thompson xfer->aframes++; 114302ac6454SAndrew Thompson 114402ac6454SAndrew Thompson if (xfer->td_transfer_cache == NULL) { 114502ac6454SAndrew Thompson goto done; 114602ac6454SAndrew Thompson } 114702ac6454SAndrew Thompson } 114802ac6454SAndrew Thompson 114902ac6454SAndrew Thompson if (xfer->flags_int.control_xfr && 115002ac6454SAndrew Thompson !xfer->flags_int.control_act) { 115102ac6454SAndrew Thompson 115202ac6454SAndrew Thompson err = uss820dci_standard_done_sub(xfer); 115302ac6454SAndrew Thompson } 115402ac6454SAndrew Thompson done: 115502ac6454SAndrew Thompson uss820dci_device_done(xfer, err); 115602ac6454SAndrew Thompson } 115702ac6454SAndrew Thompson 115802ac6454SAndrew Thompson /*------------------------------------------------------------------------* 115902ac6454SAndrew Thompson * uss820dci_device_done 116002ac6454SAndrew Thompson * 116102ac6454SAndrew Thompson * NOTE: this function can be called more than one time on the 116202ac6454SAndrew Thompson * same USB transfer! 116302ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 116402ac6454SAndrew Thompson static void 116502ac6454SAndrew Thompson uss820dci_device_done(struct usb2_xfer *xfer, usb2_error_t error) 116602ac6454SAndrew Thompson { 116702ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(xfer->xroot->bus, MA_OWNED); 116802ac6454SAndrew Thompson 116902ac6454SAndrew Thompson DPRINTFN(2, "xfer=%p, pipe=%p, error=%d\n", 117002ac6454SAndrew Thompson xfer, xfer->pipe, error); 117102ac6454SAndrew Thompson 117202ac6454SAndrew Thompson if (xfer->flags_int.usb2_mode == USB_MODE_DEVICE) { 117302ac6454SAndrew Thompson uss820dci_intr_set(xfer, 0); 117402ac6454SAndrew Thompson } 117502ac6454SAndrew Thompson /* dequeue transfer and start next transfer */ 117602ac6454SAndrew Thompson usb2_transfer_done(xfer, error); 117702ac6454SAndrew Thompson } 117802ac6454SAndrew Thompson 117902ac6454SAndrew Thompson static void 118002ac6454SAndrew Thompson uss820dci_set_stall(struct usb2_device *udev, struct usb2_xfer *xfer, 118102ac6454SAndrew Thompson struct usb2_pipe *pipe) 118202ac6454SAndrew Thompson { 118302ac6454SAndrew Thompson struct uss820dci_softc *sc; 118402ac6454SAndrew Thompson uint8_t ep_no; 118502ac6454SAndrew Thompson uint8_t ep_type; 118602ac6454SAndrew Thompson uint8_t ep_dir; 118702ac6454SAndrew Thompson uint8_t temp; 118802ac6454SAndrew Thompson 118902ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(udev->bus, MA_OWNED); 119002ac6454SAndrew Thompson 119102ac6454SAndrew Thompson DPRINTFN(5, "pipe=%p\n", pipe); 119202ac6454SAndrew Thompson 119302ac6454SAndrew Thompson if (xfer) { 119402ac6454SAndrew Thompson /* cancel any ongoing transfers */ 119502ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_STALLED); 119602ac6454SAndrew Thompson } 119702ac6454SAndrew Thompson /* set FORCESTALL */ 119802ac6454SAndrew Thompson sc = USS820_DCI_BUS2SC(udev->bus); 119902ac6454SAndrew Thompson ep_no = (pipe->edesc->bEndpointAddress & UE_ADDR); 120002ac6454SAndrew Thompson ep_dir = (pipe->edesc->bEndpointAddress & (UE_DIR_IN | UE_DIR_OUT)); 120102ac6454SAndrew Thompson ep_type = (pipe->edesc->bmAttributes & UE_XFERTYPE); 120202ac6454SAndrew Thompson 120302ac6454SAndrew Thompson if (ep_type == UE_CONTROL) { 120402ac6454SAndrew Thompson /* should not happen */ 120502ac6454SAndrew Thompson return; 120602ac6454SAndrew Thompson } 120702ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_EPINDEX, ep_no); 120802ac6454SAndrew Thompson 120902ac6454SAndrew Thompson if (ep_dir == UE_DIR_IN) { 121002ac6454SAndrew Thompson temp = USS820_EPCON_TXSTL; 121102ac6454SAndrew Thompson } else { 121202ac6454SAndrew Thompson temp = USS820_EPCON_RXSTL; 121302ac6454SAndrew Thompson } 121402ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, temp); 121502ac6454SAndrew Thompson } 121602ac6454SAndrew Thompson 121702ac6454SAndrew Thompson static void 121802ac6454SAndrew Thompson uss820dci_clear_stall_sub(struct uss820dci_softc *sc, 121902ac6454SAndrew Thompson uint8_t ep_no, uint8_t ep_type, uint8_t ep_dir) 122002ac6454SAndrew Thompson { 122102ac6454SAndrew Thompson uint8_t temp; 122202ac6454SAndrew Thompson 122302ac6454SAndrew Thompson if (ep_type == UE_CONTROL) { 122402ac6454SAndrew Thompson /* clearing stall is not needed */ 122502ac6454SAndrew Thompson return; 122602ac6454SAndrew Thompson } 122702ac6454SAndrew Thompson /* select endpoint index */ 122802ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_EPINDEX, ep_no); 122902ac6454SAndrew Thompson 123002ac6454SAndrew Thompson /* clear stall and disable I/O transfers */ 123102ac6454SAndrew Thompson if (ep_dir == UE_DIR_IN) { 123202ac6454SAndrew Thompson temp = 0xFF ^ (USS820_EPCON_TXOE | 123302ac6454SAndrew Thompson USS820_EPCON_TXSTL); 123402ac6454SAndrew Thompson } else { 123502ac6454SAndrew Thompson temp = 0xFF ^ (USS820_EPCON_RXIE | 123602ac6454SAndrew Thompson USS820_EPCON_RXSTL); 123702ac6454SAndrew Thompson } 123802ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_EPCON, temp, 0); 123902ac6454SAndrew Thompson 124002ac6454SAndrew Thompson if (ep_dir == UE_DIR_IN) { 124102ac6454SAndrew Thompson /* reset data toggle */ 124202ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_TXSTAT, 124302ac6454SAndrew Thompson USS820_TXSTAT_TXSOVW); 124402ac6454SAndrew Thompson 124502ac6454SAndrew Thompson /* reset FIFO */ 124602ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_TXCON); 124702ac6454SAndrew Thompson temp |= USS820_TXCON_TXCLR; 124802ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_TXCON, temp); 124902ac6454SAndrew Thompson temp &= ~USS820_TXCON_TXCLR; 125002ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_TXCON, temp); 125102ac6454SAndrew Thompson } else { 125202ac6454SAndrew Thompson 125302ac6454SAndrew Thompson /* reset data toggle */ 125402ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_RXSTAT, 125502ac6454SAndrew Thompson 0, USS820_RXSTAT_RXSOVW); 125602ac6454SAndrew Thompson 125702ac6454SAndrew Thompson /* reset FIFO */ 125802ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_RXCON); 125902ac6454SAndrew Thompson temp |= USS820_RXCON_RXCLR; 126002ac6454SAndrew Thompson temp &= ~USS820_RXCON_RXFFRC; 126102ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_RXCON, temp); 126202ac6454SAndrew Thompson temp &= ~USS820_RXCON_RXCLR; 126302ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_RXCON, temp); 126402ac6454SAndrew Thompson } 126502ac6454SAndrew Thompson } 126602ac6454SAndrew Thompson 126702ac6454SAndrew Thompson static void 126802ac6454SAndrew Thompson uss820dci_clear_stall(struct usb2_device *udev, struct usb2_pipe *pipe) 126902ac6454SAndrew Thompson { 127002ac6454SAndrew Thompson struct uss820dci_softc *sc; 127102ac6454SAndrew Thompson struct usb2_endpoint_descriptor *ed; 127202ac6454SAndrew Thompson 127302ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(udev->bus, MA_OWNED); 127402ac6454SAndrew Thompson 127502ac6454SAndrew Thompson DPRINTFN(5, "pipe=%p\n", pipe); 127602ac6454SAndrew Thompson 127702ac6454SAndrew Thompson /* check mode */ 127802ac6454SAndrew Thompson if (udev->flags.usb2_mode != USB_MODE_DEVICE) { 127902ac6454SAndrew Thompson /* not supported */ 128002ac6454SAndrew Thompson return; 128102ac6454SAndrew Thompson } 128202ac6454SAndrew Thompson /* get softc */ 128302ac6454SAndrew Thompson sc = USS820_DCI_BUS2SC(udev->bus); 128402ac6454SAndrew Thompson 128502ac6454SAndrew Thompson /* get endpoint descriptor */ 128602ac6454SAndrew Thompson ed = pipe->edesc; 128702ac6454SAndrew Thompson 128802ac6454SAndrew Thompson /* reset endpoint */ 128902ac6454SAndrew Thompson uss820dci_clear_stall_sub(sc, 129002ac6454SAndrew Thompson (ed->bEndpointAddress & UE_ADDR), 129102ac6454SAndrew Thompson (ed->bmAttributes & UE_XFERTYPE), 129202ac6454SAndrew Thompson (ed->bEndpointAddress & (UE_DIR_IN | UE_DIR_OUT))); 129302ac6454SAndrew Thompson } 129402ac6454SAndrew Thompson 129502ac6454SAndrew Thompson usb2_error_t 129602ac6454SAndrew Thompson uss820dci_init(struct uss820dci_softc *sc) 129702ac6454SAndrew Thompson { 129802ac6454SAndrew Thompson const struct usb2_hw_ep_profile *pf; 129902ac6454SAndrew Thompson uint8_t n; 130002ac6454SAndrew Thompson uint8_t temp; 130102ac6454SAndrew Thompson 130202ac6454SAndrew Thompson DPRINTF("start\n"); 130302ac6454SAndrew Thompson 130402ac6454SAndrew Thompson /* set up the bus structure */ 130502ac6454SAndrew Thompson sc->sc_bus.usbrev = USB_REV_1_1; 130602ac6454SAndrew Thompson sc->sc_bus.methods = &uss820dci_bus_methods; 130702ac6454SAndrew Thompson 130802ac6454SAndrew Thompson USB_BUS_LOCK(&sc->sc_bus); 130902ac6454SAndrew Thompson 131002ac6454SAndrew Thompson /* we always have VBUS */ 131102ac6454SAndrew Thompson sc->sc_flags.status_vbus = 1; 131202ac6454SAndrew Thompson 131302ac6454SAndrew Thompson /* reset the chip */ 131402ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCR, USS820_SCR_SRESET); 131502ac6454SAndrew Thompson DELAY(100); 131602ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCR, 0); 131702ac6454SAndrew Thompson 131802ac6454SAndrew Thompson /* wait for reset to complete */ 131902ac6454SAndrew Thompson for (n = 0;; n++) { 132002ac6454SAndrew Thompson 132102ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_MCSR); 132202ac6454SAndrew Thompson 132302ac6454SAndrew Thompson if (temp & USS820_MCSR_INIT) { 132402ac6454SAndrew Thompson break; 132502ac6454SAndrew Thompson } 132602ac6454SAndrew Thompson if (n == 100) { 132702ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 132802ac6454SAndrew Thompson return (USB_ERR_INVAL); 132902ac6454SAndrew Thompson } 133002ac6454SAndrew Thompson /* wait a little for things to stabilise */ 133102ac6454SAndrew Thompson DELAY(100); 133202ac6454SAndrew Thompson } 133302ac6454SAndrew Thompson 133402ac6454SAndrew Thompson /* do a pulldown */ 133502ac6454SAndrew Thompson uss820dci_pull_down(sc); 133602ac6454SAndrew Thompson 133702ac6454SAndrew Thompson /* wait 10ms for pulldown to stabilise */ 133802ac6454SAndrew Thompson usb2_pause_mtx(&sc->sc_bus.bus_mtx, hz / 100); 133902ac6454SAndrew Thompson 134002ac6454SAndrew Thompson /* check hardware revision */ 134102ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_REV); 134202ac6454SAndrew Thompson 134302ac6454SAndrew Thompson if (temp < 0x13) { 134402ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 134502ac6454SAndrew Thompson return (USB_ERR_INVAL); 134602ac6454SAndrew Thompson } 134702ac6454SAndrew Thompson /* enable interrupts */ 134802ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCR, 134902ac6454SAndrew Thompson USS820_SCR_T_IRQ | 135002ac6454SAndrew Thompson USS820_SCR_IE_RESET | 135102ac6454SAndrew Thompson /* USS820_SCR_RWUPE | */ 135202ac6454SAndrew Thompson USS820_SCR_IE_SUSP | 135302ac6454SAndrew Thompson USS820_SCR_IRQPOL); 135402ac6454SAndrew Thompson 135502ac6454SAndrew Thompson /* enable interrupts */ 135602ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCRATCH, 135702ac6454SAndrew Thompson USS820_SCRATCH_IE_RESUME); 135802ac6454SAndrew Thompson 135902ac6454SAndrew Thompson /* enable features */ 136002ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_MCSR, 136102ac6454SAndrew Thompson USS820_MCSR_BDFEAT | 136202ac6454SAndrew Thompson USS820_MCSR_FEAT); 136302ac6454SAndrew Thompson 136402ac6454SAndrew Thompson sc->sc_flags.mcsr_feat = 1; 136502ac6454SAndrew Thompson 136602ac6454SAndrew Thompson /* disable interrupts */ 136702ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SBIE, 0); 136802ac6454SAndrew Thompson 136902ac6454SAndrew Thompson /* disable interrupts */ 137002ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SBIE1, 0); 137102ac6454SAndrew Thompson 137202ac6454SAndrew Thompson /* disable all endpoints */ 137302ac6454SAndrew Thompson for (n = 0; n != USS820_EP_MAX; n++) { 137402ac6454SAndrew Thompson 137502ac6454SAndrew Thompson /* select endpoint */ 137602ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_EPINDEX, n); 137702ac6454SAndrew Thompson 137802ac6454SAndrew Thompson /* disable endpoint */ 137902ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_EPCON, 0, 0); 138002ac6454SAndrew Thompson } 138102ac6454SAndrew Thompson 138202ac6454SAndrew Thompson /* 138302ac6454SAndrew Thompson * Initialise default values for some registers that cannot be 138402ac6454SAndrew Thompson * changed during operation! 138502ac6454SAndrew Thompson */ 138602ac6454SAndrew Thompson for (n = 0; n != USS820_EP_MAX; n++) { 138702ac6454SAndrew Thompson 138802ac6454SAndrew Thompson uss820dci_get_hw_ep_profile(NULL, &pf, n); 138902ac6454SAndrew Thompson 139002ac6454SAndrew Thompson /* the maximum frame sizes should be the same */ 139102ac6454SAndrew Thompson if (pf->max_in_frame_size != pf->max_out_frame_size) { 139202ac6454SAndrew Thompson DPRINTF("Max frame size mismatch %u != %u\n", 139302ac6454SAndrew Thompson pf->max_in_frame_size, pf->max_out_frame_size); 139402ac6454SAndrew Thompson } 139502ac6454SAndrew Thompson if (pf->support_isochronous) { 139602ac6454SAndrew Thompson if (pf->max_in_frame_size <= 64) { 139702ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_16_64 | 139802ac6454SAndrew Thompson USS820_TXCON_TXISO | 139902ac6454SAndrew Thompson USS820_TXCON_ATM); 140002ac6454SAndrew Thompson } else if (pf->max_in_frame_size <= 256) { 140102ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_64_256 | 140202ac6454SAndrew Thompson USS820_TXCON_TXISO | 140302ac6454SAndrew Thompson USS820_TXCON_ATM); 140402ac6454SAndrew Thompson } else if (pf->max_in_frame_size <= 512) { 140502ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_8_512 | 140602ac6454SAndrew Thompson USS820_TXCON_TXISO | 140702ac6454SAndrew Thompson USS820_TXCON_ATM); 140802ac6454SAndrew Thompson } else { /* 1024 bytes */ 140902ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_32_1024 | 141002ac6454SAndrew Thompson USS820_TXCON_TXISO | 141102ac6454SAndrew Thompson USS820_TXCON_ATM); 141202ac6454SAndrew Thompson } 141302ac6454SAndrew Thompson } else { 141402ac6454SAndrew Thompson if ((pf->max_in_frame_size <= 8) && 141502ac6454SAndrew Thompson (sc->sc_flags.mcsr_feat)) { 141602ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_8_512 | 141702ac6454SAndrew Thompson USS820_TXCON_ATM); 141802ac6454SAndrew Thompson } else if (pf->max_in_frame_size <= 16) { 141902ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_16_64 | 142002ac6454SAndrew Thompson USS820_TXCON_ATM); 142102ac6454SAndrew Thompson } else if ((pf->max_in_frame_size <= 32) && 142202ac6454SAndrew Thompson (sc->sc_flags.mcsr_feat)) { 142302ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_32_1024 | 142402ac6454SAndrew Thompson USS820_TXCON_ATM); 142502ac6454SAndrew Thompson } else { /* 64 bytes */ 142602ac6454SAndrew Thompson temp = (USS820_TXCON_FFSZ_64_256 | 142702ac6454SAndrew Thompson USS820_TXCON_ATM); 142802ac6454SAndrew Thompson } 142902ac6454SAndrew Thompson } 143002ac6454SAndrew Thompson 143102ac6454SAndrew Thompson /* need to configure the chip early */ 143202ac6454SAndrew Thompson 143302ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_EPINDEX, n); 143402ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_TXCON, temp); 143502ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_RXCON, temp); 143602ac6454SAndrew Thompson 143702ac6454SAndrew Thompson if (pf->support_control) { 143802ac6454SAndrew Thompson temp = USS820_EPCON_CTLEP | 143902ac6454SAndrew Thompson USS820_EPCON_RXSPM | 144002ac6454SAndrew Thompson USS820_EPCON_RXIE | 144102ac6454SAndrew Thompson USS820_EPCON_RXEPEN | 144202ac6454SAndrew Thompson USS820_EPCON_TXOE | 144302ac6454SAndrew Thompson USS820_EPCON_TXEPEN; 144402ac6454SAndrew Thompson } else { 144502ac6454SAndrew Thompson temp = USS820_EPCON_RXEPEN | USS820_EPCON_TXEPEN; 144602ac6454SAndrew Thompson } 144702ac6454SAndrew Thompson 144802ac6454SAndrew Thompson uss820dci_update_shared_1(sc, USS820_EPCON, 0xFF, temp); 144902ac6454SAndrew Thompson } 145002ac6454SAndrew Thompson 145102ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 145202ac6454SAndrew Thompson 145302ac6454SAndrew Thompson /* catch any lost interrupts */ 145402ac6454SAndrew Thompson 145502ac6454SAndrew Thompson uss820dci_do_poll(&sc->sc_bus); 145602ac6454SAndrew Thompson 145702ac6454SAndrew Thompson return (0); /* success */ 145802ac6454SAndrew Thompson } 145902ac6454SAndrew Thompson 146002ac6454SAndrew Thompson void 146102ac6454SAndrew Thompson uss820dci_uninit(struct uss820dci_softc *sc) 146202ac6454SAndrew Thompson { 146302ac6454SAndrew Thompson uint8_t temp; 146402ac6454SAndrew Thompson 146502ac6454SAndrew Thompson USB_BUS_LOCK(&sc->sc_bus); 146602ac6454SAndrew Thompson 146702ac6454SAndrew Thompson /* disable all interrupts */ 146802ac6454SAndrew Thompson temp = USS820_READ_1(sc, USS820_SCR); 146902ac6454SAndrew Thompson temp &= ~USS820_SCR_T_IRQ; 147002ac6454SAndrew Thompson USS820_WRITE_1(sc, USS820_SCR, temp); 147102ac6454SAndrew Thompson 147202ac6454SAndrew Thompson sc->sc_flags.port_powered = 0; 147302ac6454SAndrew Thompson sc->sc_flags.status_vbus = 0; 147402ac6454SAndrew Thompson sc->sc_flags.status_bus_reset = 0; 147502ac6454SAndrew Thompson sc->sc_flags.status_suspend = 0; 147602ac6454SAndrew Thompson sc->sc_flags.change_suspend = 0; 147702ac6454SAndrew Thompson sc->sc_flags.change_connect = 1; 147802ac6454SAndrew Thompson 147902ac6454SAndrew Thompson uss820dci_pull_down(sc); 148002ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 148102ac6454SAndrew Thompson } 148202ac6454SAndrew Thompson 148302ac6454SAndrew Thompson void 148402ac6454SAndrew Thompson uss820dci_suspend(struct uss820dci_softc *sc) 148502ac6454SAndrew Thompson { 148602ac6454SAndrew Thompson return; 148702ac6454SAndrew Thompson } 148802ac6454SAndrew Thompson 148902ac6454SAndrew Thompson void 149002ac6454SAndrew Thompson uss820dci_resume(struct uss820dci_softc *sc) 149102ac6454SAndrew Thompson { 149202ac6454SAndrew Thompson return; 149302ac6454SAndrew Thompson } 149402ac6454SAndrew Thompson 149502ac6454SAndrew Thompson static void 149602ac6454SAndrew Thompson uss820dci_do_poll(struct usb2_bus *bus) 149702ac6454SAndrew Thompson { 149802ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(bus); 149902ac6454SAndrew Thompson 150002ac6454SAndrew Thompson USB_BUS_LOCK(&sc->sc_bus); 150102ac6454SAndrew Thompson uss820dci_interrupt_poll(sc); 150202ac6454SAndrew Thompson uss820dci_root_ctrl_poll(sc); 150302ac6454SAndrew Thompson USB_BUS_UNLOCK(&sc->sc_bus); 150402ac6454SAndrew Thompson } 150502ac6454SAndrew Thompson 150602ac6454SAndrew Thompson /*------------------------------------------------------------------------* 150702ac6454SAndrew Thompson * at91dci bulk support 150802ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 150902ac6454SAndrew Thompson static void 151002ac6454SAndrew Thompson uss820dci_device_bulk_open(struct usb2_xfer *xfer) 151102ac6454SAndrew Thompson { 151202ac6454SAndrew Thompson return; 151302ac6454SAndrew Thompson } 151402ac6454SAndrew Thompson 151502ac6454SAndrew Thompson static void 151602ac6454SAndrew Thompson uss820dci_device_bulk_close(struct usb2_xfer *xfer) 151702ac6454SAndrew Thompson { 151802ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_CANCELLED); 151902ac6454SAndrew Thompson } 152002ac6454SAndrew Thompson 152102ac6454SAndrew Thompson static void 152202ac6454SAndrew Thompson uss820dci_device_bulk_enter(struct usb2_xfer *xfer) 152302ac6454SAndrew Thompson { 152402ac6454SAndrew Thompson return; 152502ac6454SAndrew Thompson } 152602ac6454SAndrew Thompson 152702ac6454SAndrew Thompson static void 152802ac6454SAndrew Thompson uss820dci_device_bulk_start(struct usb2_xfer *xfer) 152902ac6454SAndrew Thompson { 153002ac6454SAndrew Thompson /* setup TDs */ 153102ac6454SAndrew Thompson uss820dci_setup_standard_chain(xfer); 153202ac6454SAndrew Thompson uss820dci_start_standard_chain(xfer); 153302ac6454SAndrew Thompson } 153402ac6454SAndrew Thompson 153502ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_bulk_methods = 153602ac6454SAndrew Thompson { 153702ac6454SAndrew Thompson .open = uss820dci_device_bulk_open, 153802ac6454SAndrew Thompson .close = uss820dci_device_bulk_close, 153902ac6454SAndrew Thompson .enter = uss820dci_device_bulk_enter, 154002ac6454SAndrew Thompson .start = uss820dci_device_bulk_start, 154102ac6454SAndrew Thompson .enter_is_cancelable = 1, 154202ac6454SAndrew Thompson .start_is_cancelable = 1, 154302ac6454SAndrew Thompson }; 154402ac6454SAndrew Thompson 154502ac6454SAndrew Thompson /*------------------------------------------------------------------------* 154602ac6454SAndrew Thompson * at91dci control support 154702ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 154802ac6454SAndrew Thompson static void 154902ac6454SAndrew Thompson uss820dci_device_ctrl_open(struct usb2_xfer *xfer) 155002ac6454SAndrew Thompson { 155102ac6454SAndrew Thompson return; 155202ac6454SAndrew Thompson } 155302ac6454SAndrew Thompson 155402ac6454SAndrew Thompson static void 155502ac6454SAndrew Thompson uss820dci_device_ctrl_close(struct usb2_xfer *xfer) 155602ac6454SAndrew Thompson { 155702ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_CANCELLED); 155802ac6454SAndrew Thompson } 155902ac6454SAndrew Thompson 156002ac6454SAndrew Thompson static void 156102ac6454SAndrew Thompson uss820dci_device_ctrl_enter(struct usb2_xfer *xfer) 156202ac6454SAndrew Thompson { 156302ac6454SAndrew Thompson return; 156402ac6454SAndrew Thompson } 156502ac6454SAndrew Thompson 156602ac6454SAndrew Thompson static void 156702ac6454SAndrew Thompson uss820dci_device_ctrl_start(struct usb2_xfer *xfer) 156802ac6454SAndrew Thompson { 156902ac6454SAndrew Thompson /* setup TDs */ 157002ac6454SAndrew Thompson uss820dci_setup_standard_chain(xfer); 157102ac6454SAndrew Thompson uss820dci_start_standard_chain(xfer); 157202ac6454SAndrew Thompson } 157302ac6454SAndrew Thompson 157402ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_ctrl_methods = 157502ac6454SAndrew Thompson { 157602ac6454SAndrew Thompson .open = uss820dci_device_ctrl_open, 157702ac6454SAndrew Thompson .close = uss820dci_device_ctrl_close, 157802ac6454SAndrew Thompson .enter = uss820dci_device_ctrl_enter, 157902ac6454SAndrew Thompson .start = uss820dci_device_ctrl_start, 158002ac6454SAndrew Thompson .enter_is_cancelable = 1, 158102ac6454SAndrew Thompson .start_is_cancelable = 1, 158202ac6454SAndrew Thompson }; 158302ac6454SAndrew Thompson 158402ac6454SAndrew Thompson /*------------------------------------------------------------------------* 158502ac6454SAndrew Thompson * at91dci interrupt support 158602ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 158702ac6454SAndrew Thompson static void 158802ac6454SAndrew Thompson uss820dci_device_intr_open(struct usb2_xfer *xfer) 158902ac6454SAndrew Thompson { 159002ac6454SAndrew Thompson return; 159102ac6454SAndrew Thompson } 159202ac6454SAndrew Thompson 159302ac6454SAndrew Thompson static void 159402ac6454SAndrew Thompson uss820dci_device_intr_close(struct usb2_xfer *xfer) 159502ac6454SAndrew Thompson { 159602ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_CANCELLED); 159702ac6454SAndrew Thompson } 159802ac6454SAndrew Thompson 159902ac6454SAndrew Thompson static void 160002ac6454SAndrew Thompson uss820dci_device_intr_enter(struct usb2_xfer *xfer) 160102ac6454SAndrew Thompson { 160202ac6454SAndrew Thompson return; 160302ac6454SAndrew Thompson } 160402ac6454SAndrew Thompson 160502ac6454SAndrew Thompson static void 160602ac6454SAndrew Thompson uss820dci_device_intr_start(struct usb2_xfer *xfer) 160702ac6454SAndrew Thompson { 160802ac6454SAndrew Thompson /* setup TDs */ 160902ac6454SAndrew Thompson uss820dci_setup_standard_chain(xfer); 161002ac6454SAndrew Thompson uss820dci_start_standard_chain(xfer); 161102ac6454SAndrew Thompson } 161202ac6454SAndrew Thompson 161302ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_intr_methods = 161402ac6454SAndrew Thompson { 161502ac6454SAndrew Thompson .open = uss820dci_device_intr_open, 161602ac6454SAndrew Thompson .close = uss820dci_device_intr_close, 161702ac6454SAndrew Thompson .enter = uss820dci_device_intr_enter, 161802ac6454SAndrew Thompson .start = uss820dci_device_intr_start, 161902ac6454SAndrew Thompson .enter_is_cancelable = 1, 162002ac6454SAndrew Thompson .start_is_cancelable = 1, 162102ac6454SAndrew Thompson }; 162202ac6454SAndrew Thompson 162302ac6454SAndrew Thompson /*------------------------------------------------------------------------* 162402ac6454SAndrew Thompson * at91dci full speed isochronous support 162502ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 162602ac6454SAndrew Thompson static void 162702ac6454SAndrew Thompson uss820dci_device_isoc_fs_open(struct usb2_xfer *xfer) 162802ac6454SAndrew Thompson { 162902ac6454SAndrew Thompson return; 163002ac6454SAndrew Thompson } 163102ac6454SAndrew Thompson 163202ac6454SAndrew Thompson static void 163302ac6454SAndrew Thompson uss820dci_device_isoc_fs_close(struct usb2_xfer *xfer) 163402ac6454SAndrew Thompson { 163502ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_CANCELLED); 163602ac6454SAndrew Thompson } 163702ac6454SAndrew Thompson 163802ac6454SAndrew Thompson static void 163902ac6454SAndrew Thompson uss820dci_device_isoc_fs_enter(struct usb2_xfer *xfer) 164002ac6454SAndrew Thompson { 164102ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 164202ac6454SAndrew Thompson uint32_t temp; 164302ac6454SAndrew Thompson uint32_t nframes; 164402ac6454SAndrew Thompson 164502ac6454SAndrew Thompson DPRINTFN(6, "xfer=%p next=%d nframes=%d\n", 164602ac6454SAndrew Thompson xfer, xfer->pipe->isoc_next, xfer->nframes); 164702ac6454SAndrew Thompson 164802ac6454SAndrew Thompson /* get the current frame index - we don't need the high bits */ 164902ac6454SAndrew Thompson 165002ac6454SAndrew Thompson nframes = USS820_READ_1(sc, USS820_SOFL); 165102ac6454SAndrew Thompson 165202ac6454SAndrew Thompson /* 165302ac6454SAndrew Thompson * check if the frame index is within the window where the 165402ac6454SAndrew Thompson * frames will be inserted 165502ac6454SAndrew Thompson */ 165602ac6454SAndrew Thompson temp = (nframes - xfer->pipe->isoc_next) & USS820_SOFL_MASK; 165702ac6454SAndrew Thompson 165802ac6454SAndrew Thompson if ((xfer->pipe->is_synced == 0) || 165902ac6454SAndrew Thompson (temp < xfer->nframes)) { 166002ac6454SAndrew Thompson /* 166102ac6454SAndrew Thompson * If there is data underflow or the pipe queue is 166202ac6454SAndrew Thompson * empty we schedule the transfer a few frames ahead 166302ac6454SAndrew Thompson * of the current frame position. Else two isochronous 166402ac6454SAndrew Thompson * transfers might overlap. 166502ac6454SAndrew Thompson */ 166602ac6454SAndrew Thompson xfer->pipe->isoc_next = (nframes + 3) & USS820_SOFL_MASK; 166702ac6454SAndrew Thompson xfer->pipe->is_synced = 1; 166802ac6454SAndrew Thompson DPRINTFN(3, "start next=%d\n", xfer->pipe->isoc_next); 166902ac6454SAndrew Thompson } 167002ac6454SAndrew Thompson /* 167102ac6454SAndrew Thompson * compute how many milliseconds the insertion is ahead of the 167202ac6454SAndrew Thompson * current frame position: 167302ac6454SAndrew Thompson */ 167402ac6454SAndrew Thompson temp = (xfer->pipe->isoc_next - nframes) & USS820_SOFL_MASK; 167502ac6454SAndrew Thompson 167602ac6454SAndrew Thompson /* 167702ac6454SAndrew Thompson * pre-compute when the isochronous transfer will be finished: 167802ac6454SAndrew Thompson */ 167902ac6454SAndrew Thompson xfer->isoc_time_complete = 168002ac6454SAndrew Thompson usb2_isoc_time_expand(&sc->sc_bus, nframes) + temp + 168102ac6454SAndrew Thompson xfer->nframes; 168202ac6454SAndrew Thompson 168302ac6454SAndrew Thompson /* compute frame number for next insertion */ 168402ac6454SAndrew Thompson xfer->pipe->isoc_next += xfer->nframes; 168502ac6454SAndrew Thompson 168602ac6454SAndrew Thompson /* setup TDs */ 168702ac6454SAndrew Thompson uss820dci_setup_standard_chain(xfer); 168802ac6454SAndrew Thompson } 168902ac6454SAndrew Thompson 169002ac6454SAndrew Thompson static void 169102ac6454SAndrew Thompson uss820dci_device_isoc_fs_start(struct usb2_xfer *xfer) 169202ac6454SAndrew Thompson { 169302ac6454SAndrew Thompson /* start TD chain */ 169402ac6454SAndrew Thompson uss820dci_start_standard_chain(xfer); 169502ac6454SAndrew Thompson } 169602ac6454SAndrew Thompson 169702ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_device_isoc_fs_methods = 169802ac6454SAndrew Thompson { 169902ac6454SAndrew Thompson .open = uss820dci_device_isoc_fs_open, 170002ac6454SAndrew Thompson .close = uss820dci_device_isoc_fs_close, 170102ac6454SAndrew Thompson .enter = uss820dci_device_isoc_fs_enter, 170202ac6454SAndrew Thompson .start = uss820dci_device_isoc_fs_start, 170302ac6454SAndrew Thompson .enter_is_cancelable = 1, 170402ac6454SAndrew Thompson .start_is_cancelable = 1, 170502ac6454SAndrew Thompson }; 170602ac6454SAndrew Thompson 170702ac6454SAndrew Thompson /*------------------------------------------------------------------------* 170802ac6454SAndrew Thompson * at91dci root control support 170902ac6454SAndrew Thompson *------------------------------------------------------------------------* 171002ac6454SAndrew Thompson * simulate a hardware HUB by handling 171102ac6454SAndrew Thompson * all the necessary requests 171202ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 171302ac6454SAndrew Thompson 171402ac6454SAndrew Thompson static void 171502ac6454SAndrew Thompson uss820dci_root_ctrl_open(struct usb2_xfer *xfer) 171602ac6454SAndrew Thompson { 171702ac6454SAndrew Thompson return; 171802ac6454SAndrew Thompson } 171902ac6454SAndrew Thompson 172002ac6454SAndrew Thompson static void 172102ac6454SAndrew Thompson uss820dci_root_ctrl_close(struct usb2_xfer *xfer) 172202ac6454SAndrew Thompson { 172302ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 172402ac6454SAndrew Thompson 172502ac6454SAndrew Thompson if (sc->sc_root_ctrl.xfer == xfer) { 172602ac6454SAndrew Thompson sc->sc_root_ctrl.xfer = NULL; 172702ac6454SAndrew Thompson } 172802ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_CANCELLED); 172902ac6454SAndrew Thompson } 173002ac6454SAndrew Thompson 173102ac6454SAndrew Thompson /* 173202ac6454SAndrew Thompson * USB descriptors for the virtual Root HUB: 173302ac6454SAndrew Thompson */ 173402ac6454SAndrew Thompson 173502ac6454SAndrew Thompson static const struct usb2_device_descriptor uss820dci_devd = { 173602ac6454SAndrew Thompson .bLength = sizeof(struct usb2_device_descriptor), 173702ac6454SAndrew Thompson .bDescriptorType = UDESC_DEVICE, 173802ac6454SAndrew Thompson .bcdUSB = {0x00, 0x02}, 173902ac6454SAndrew Thompson .bDeviceClass = UDCLASS_HUB, 174002ac6454SAndrew Thompson .bDeviceSubClass = UDSUBCLASS_HUB, 174102ac6454SAndrew Thompson .bDeviceProtocol = UDPROTO_HSHUBSTT, 174202ac6454SAndrew Thompson .bMaxPacketSize = 64, 174302ac6454SAndrew Thompson .bcdDevice = {0x00, 0x01}, 174402ac6454SAndrew Thompson .iManufacturer = 1, 174502ac6454SAndrew Thompson .iProduct = 2, 174602ac6454SAndrew Thompson .bNumConfigurations = 1, 174702ac6454SAndrew Thompson }; 174802ac6454SAndrew Thompson 174902ac6454SAndrew Thompson static const struct usb2_device_qualifier uss820dci_odevd = { 175002ac6454SAndrew Thompson .bLength = sizeof(struct usb2_device_qualifier), 175102ac6454SAndrew Thompson .bDescriptorType = UDESC_DEVICE_QUALIFIER, 175202ac6454SAndrew Thompson .bcdUSB = {0x00, 0x02}, 175302ac6454SAndrew Thompson .bDeviceClass = UDCLASS_HUB, 175402ac6454SAndrew Thompson .bDeviceSubClass = UDSUBCLASS_HUB, 175502ac6454SAndrew Thompson .bDeviceProtocol = UDPROTO_FSHUB, 175602ac6454SAndrew Thompson .bMaxPacketSize0 = 0, 175702ac6454SAndrew Thompson .bNumConfigurations = 0, 175802ac6454SAndrew Thompson }; 175902ac6454SAndrew Thompson 176002ac6454SAndrew Thompson static const struct uss820dci_config_desc uss820dci_confd = { 176102ac6454SAndrew Thompson .confd = { 176202ac6454SAndrew Thompson .bLength = sizeof(struct usb2_config_descriptor), 176302ac6454SAndrew Thompson .bDescriptorType = UDESC_CONFIG, 176402ac6454SAndrew Thompson .wTotalLength[0] = sizeof(uss820dci_confd), 176502ac6454SAndrew Thompson .bNumInterface = 1, 176602ac6454SAndrew Thompson .bConfigurationValue = 1, 176702ac6454SAndrew Thompson .iConfiguration = 0, 176802ac6454SAndrew Thompson .bmAttributes = UC_SELF_POWERED, 176902ac6454SAndrew Thompson .bMaxPower = 0, 177002ac6454SAndrew Thompson }, 177102ac6454SAndrew Thompson .ifcd = { 177202ac6454SAndrew Thompson .bLength = sizeof(struct usb2_interface_descriptor), 177302ac6454SAndrew Thompson .bDescriptorType = UDESC_INTERFACE, 177402ac6454SAndrew Thompson .bNumEndpoints = 1, 177502ac6454SAndrew Thompson .bInterfaceClass = UICLASS_HUB, 177602ac6454SAndrew Thompson .bInterfaceSubClass = UISUBCLASS_HUB, 177702ac6454SAndrew Thompson .bInterfaceProtocol = UIPROTO_HSHUBSTT, 177802ac6454SAndrew Thompson }, 177902ac6454SAndrew Thompson 178002ac6454SAndrew Thompson .endpd = { 178102ac6454SAndrew Thompson .bLength = sizeof(struct usb2_endpoint_descriptor), 178202ac6454SAndrew Thompson .bDescriptorType = UDESC_ENDPOINT, 178302ac6454SAndrew Thompson .bEndpointAddress = (UE_DIR_IN | USS820_DCI_INTR_ENDPT), 178402ac6454SAndrew Thompson .bmAttributes = UE_INTERRUPT, 178502ac6454SAndrew Thompson .wMaxPacketSize[0] = 8, 178602ac6454SAndrew Thompson .bInterval = 255, 178702ac6454SAndrew Thompson }, 178802ac6454SAndrew Thompson }; 178902ac6454SAndrew Thompson 179002ac6454SAndrew Thompson static const struct usb2_hub_descriptor_min uss820dci_hubd = { 179102ac6454SAndrew Thompson .bDescLength = sizeof(uss820dci_hubd), 179202ac6454SAndrew Thompson .bDescriptorType = UDESC_HUB, 179302ac6454SAndrew Thompson .bNbrPorts = 1, 179402ac6454SAndrew Thompson .wHubCharacteristics[0] = 179502ac6454SAndrew Thompson (UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL) & 0xFF, 179602ac6454SAndrew Thompson .wHubCharacteristics[1] = 179702ac6454SAndrew Thompson (UHD_PWR_NO_SWITCH | UHD_OC_INDIVIDUAL) >> 8, 179802ac6454SAndrew Thompson .bPwrOn2PwrGood = 50, 179902ac6454SAndrew Thompson .bHubContrCurrent = 0, 180002ac6454SAndrew Thompson .DeviceRemovable = {0}, /* port is removable */ 180102ac6454SAndrew Thompson }; 180202ac6454SAndrew Thompson 180302ac6454SAndrew Thompson #define STRING_LANG \ 180402ac6454SAndrew Thompson 0x09, 0x04, /* American English */ 180502ac6454SAndrew Thompson 180602ac6454SAndrew Thompson #define STRING_VENDOR \ 180702ac6454SAndrew Thompson 'A', 0, 'G', 0, 'E', 0, 'R', 0, 'E', 0 180802ac6454SAndrew Thompson 180902ac6454SAndrew Thompson #define STRING_PRODUCT \ 181002ac6454SAndrew Thompson 'D', 0, 'C', 0, 'I', 0, ' ', 0, 'R', 0, \ 181102ac6454SAndrew Thompson 'o', 0, 'o', 0, 't', 0, ' ', 0, 'H', 0, \ 181202ac6454SAndrew Thompson 'U', 0, 'B', 0, 181302ac6454SAndrew Thompson 181402ac6454SAndrew Thompson USB_MAKE_STRING_DESC(STRING_LANG, uss820dci_langtab); 181502ac6454SAndrew Thompson USB_MAKE_STRING_DESC(STRING_VENDOR, uss820dci_vendor); 181602ac6454SAndrew Thompson USB_MAKE_STRING_DESC(STRING_PRODUCT, uss820dci_product); 181702ac6454SAndrew Thompson 181802ac6454SAndrew Thompson static void 181902ac6454SAndrew Thompson uss820dci_root_ctrl_enter(struct usb2_xfer *xfer) 182002ac6454SAndrew Thompson { 182102ac6454SAndrew Thompson return; 182202ac6454SAndrew Thompson } 182302ac6454SAndrew Thompson 182402ac6454SAndrew Thompson static void 182502ac6454SAndrew Thompson uss820dci_root_ctrl_start(struct usb2_xfer *xfer) 182602ac6454SAndrew Thompson { 182702ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 182802ac6454SAndrew Thompson 182902ac6454SAndrew Thompson sc->sc_root_ctrl.xfer = xfer; 183002ac6454SAndrew Thompson 183102ac6454SAndrew Thompson usb2_bus_roothub_exec(xfer->xroot->bus); 183202ac6454SAndrew Thompson } 183302ac6454SAndrew Thompson 183402ac6454SAndrew Thompson static void 183502ac6454SAndrew Thompson uss820dci_root_ctrl_task(struct usb2_bus *bus) 183602ac6454SAndrew Thompson { 183702ac6454SAndrew Thompson uss820dci_root_ctrl_poll(USS820_DCI_BUS2SC(bus)); 183802ac6454SAndrew Thompson } 183902ac6454SAndrew Thompson 184002ac6454SAndrew Thompson static void 184102ac6454SAndrew Thompson uss820dci_root_ctrl_done(struct usb2_xfer *xfer, 184202ac6454SAndrew Thompson struct usb2_sw_transfer *std) 184302ac6454SAndrew Thompson { 184402ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 184502ac6454SAndrew Thompson uint16_t value; 184602ac6454SAndrew Thompson uint16_t index; 184702ac6454SAndrew Thompson 184802ac6454SAndrew Thompson USB_BUS_LOCK_ASSERT(&sc->sc_bus, MA_OWNED); 184902ac6454SAndrew Thompson 185002ac6454SAndrew Thompson if (std->state != USB_SW_TR_SETUP) { 185102ac6454SAndrew Thompson if (std->state == USB_SW_TR_PRE_CALLBACK) { 185202ac6454SAndrew Thompson /* transfer transferred */ 185302ac6454SAndrew Thompson uss820dci_device_done(xfer, std->err); 185402ac6454SAndrew Thompson } 185502ac6454SAndrew Thompson goto done; 185602ac6454SAndrew Thompson } 185702ac6454SAndrew Thompson /* buffer reset */ 185802ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&sc->sc_hub_temp, 0); 185902ac6454SAndrew Thompson std->len = 0; 186002ac6454SAndrew Thompson 186102ac6454SAndrew Thompson value = UGETW(std->req.wValue); 186202ac6454SAndrew Thompson index = UGETW(std->req.wIndex); 186302ac6454SAndrew Thompson 186402ac6454SAndrew Thompson /* demultiplex the control request */ 186502ac6454SAndrew Thompson 186602ac6454SAndrew Thompson switch (std->req.bmRequestType) { 186702ac6454SAndrew Thompson case UT_READ_DEVICE: 186802ac6454SAndrew Thompson switch (std->req.bRequest) { 186902ac6454SAndrew Thompson case UR_GET_DESCRIPTOR: 187002ac6454SAndrew Thompson goto tr_handle_get_descriptor; 187102ac6454SAndrew Thompson case UR_GET_CONFIG: 187202ac6454SAndrew Thompson goto tr_handle_get_config; 187302ac6454SAndrew Thompson case UR_GET_STATUS: 187402ac6454SAndrew Thompson goto tr_handle_get_status; 187502ac6454SAndrew Thompson default: 187602ac6454SAndrew Thompson goto tr_stalled; 187702ac6454SAndrew Thompson } 187802ac6454SAndrew Thompson break; 187902ac6454SAndrew Thompson 188002ac6454SAndrew Thompson case UT_WRITE_DEVICE: 188102ac6454SAndrew Thompson switch (std->req.bRequest) { 188202ac6454SAndrew Thompson case UR_SET_ADDRESS: 188302ac6454SAndrew Thompson goto tr_handle_set_address; 188402ac6454SAndrew Thompson case UR_SET_CONFIG: 188502ac6454SAndrew Thompson goto tr_handle_set_config; 188602ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 188702ac6454SAndrew Thompson goto tr_valid; /* nop */ 188802ac6454SAndrew Thompson case UR_SET_DESCRIPTOR: 188902ac6454SAndrew Thompson goto tr_valid; /* nop */ 189002ac6454SAndrew Thompson case UR_SET_FEATURE: 189102ac6454SAndrew Thompson default: 189202ac6454SAndrew Thompson goto tr_stalled; 189302ac6454SAndrew Thompson } 189402ac6454SAndrew Thompson break; 189502ac6454SAndrew Thompson 189602ac6454SAndrew Thompson case UT_WRITE_ENDPOINT: 189702ac6454SAndrew Thompson switch (std->req.bRequest) { 189802ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 189902ac6454SAndrew Thompson switch (UGETW(std->req.wValue)) { 190002ac6454SAndrew Thompson case UF_ENDPOINT_HALT: 190102ac6454SAndrew Thompson goto tr_handle_clear_halt; 190202ac6454SAndrew Thompson case UF_DEVICE_REMOTE_WAKEUP: 190302ac6454SAndrew Thompson goto tr_handle_clear_wakeup; 190402ac6454SAndrew Thompson default: 190502ac6454SAndrew Thompson goto tr_stalled; 190602ac6454SAndrew Thompson } 190702ac6454SAndrew Thompson break; 190802ac6454SAndrew Thompson case UR_SET_FEATURE: 190902ac6454SAndrew Thompson switch (UGETW(std->req.wValue)) { 191002ac6454SAndrew Thompson case UF_ENDPOINT_HALT: 191102ac6454SAndrew Thompson goto tr_handle_set_halt; 191202ac6454SAndrew Thompson case UF_DEVICE_REMOTE_WAKEUP: 191302ac6454SAndrew Thompson goto tr_handle_set_wakeup; 191402ac6454SAndrew Thompson default: 191502ac6454SAndrew Thompson goto tr_stalled; 191602ac6454SAndrew Thompson } 191702ac6454SAndrew Thompson break; 191802ac6454SAndrew Thompson case UR_SYNCH_FRAME: 191902ac6454SAndrew Thompson goto tr_valid; /* nop */ 192002ac6454SAndrew Thompson default: 192102ac6454SAndrew Thompson goto tr_stalled; 192202ac6454SAndrew Thompson } 192302ac6454SAndrew Thompson break; 192402ac6454SAndrew Thompson 192502ac6454SAndrew Thompson case UT_READ_ENDPOINT: 192602ac6454SAndrew Thompson switch (std->req.bRequest) { 192702ac6454SAndrew Thompson case UR_GET_STATUS: 192802ac6454SAndrew Thompson goto tr_handle_get_ep_status; 192902ac6454SAndrew Thompson default: 193002ac6454SAndrew Thompson goto tr_stalled; 193102ac6454SAndrew Thompson } 193202ac6454SAndrew Thompson break; 193302ac6454SAndrew Thompson 193402ac6454SAndrew Thompson case UT_WRITE_INTERFACE: 193502ac6454SAndrew Thompson switch (std->req.bRequest) { 193602ac6454SAndrew Thompson case UR_SET_INTERFACE: 193702ac6454SAndrew Thompson goto tr_handle_set_interface; 193802ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 193902ac6454SAndrew Thompson goto tr_valid; /* nop */ 194002ac6454SAndrew Thompson case UR_SET_FEATURE: 194102ac6454SAndrew Thompson default: 194202ac6454SAndrew Thompson goto tr_stalled; 194302ac6454SAndrew Thompson } 194402ac6454SAndrew Thompson break; 194502ac6454SAndrew Thompson 194602ac6454SAndrew Thompson case UT_READ_INTERFACE: 194702ac6454SAndrew Thompson switch (std->req.bRequest) { 194802ac6454SAndrew Thompson case UR_GET_INTERFACE: 194902ac6454SAndrew Thompson goto tr_handle_get_interface; 195002ac6454SAndrew Thompson case UR_GET_STATUS: 195102ac6454SAndrew Thompson goto tr_handle_get_iface_status; 195202ac6454SAndrew Thompson default: 195302ac6454SAndrew Thompson goto tr_stalled; 195402ac6454SAndrew Thompson } 195502ac6454SAndrew Thompson break; 195602ac6454SAndrew Thompson 195702ac6454SAndrew Thompson case UT_WRITE_CLASS_INTERFACE: 195802ac6454SAndrew Thompson case UT_WRITE_VENDOR_INTERFACE: 195902ac6454SAndrew Thompson /* XXX forward */ 196002ac6454SAndrew Thompson break; 196102ac6454SAndrew Thompson 196202ac6454SAndrew Thompson case UT_READ_CLASS_INTERFACE: 196302ac6454SAndrew Thompson case UT_READ_VENDOR_INTERFACE: 196402ac6454SAndrew Thompson /* XXX forward */ 196502ac6454SAndrew Thompson break; 196602ac6454SAndrew Thompson 196702ac6454SAndrew Thompson case UT_WRITE_CLASS_DEVICE: 196802ac6454SAndrew Thompson switch (std->req.bRequest) { 196902ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 197002ac6454SAndrew Thompson goto tr_valid; 197102ac6454SAndrew Thompson case UR_SET_DESCRIPTOR: 197202ac6454SAndrew Thompson case UR_SET_FEATURE: 197302ac6454SAndrew Thompson break; 197402ac6454SAndrew Thompson default: 197502ac6454SAndrew Thompson goto tr_stalled; 197602ac6454SAndrew Thompson } 197702ac6454SAndrew Thompson break; 197802ac6454SAndrew Thompson 197902ac6454SAndrew Thompson case UT_WRITE_CLASS_OTHER: 198002ac6454SAndrew Thompson switch (std->req.bRequest) { 198102ac6454SAndrew Thompson case UR_CLEAR_FEATURE: 198202ac6454SAndrew Thompson goto tr_handle_clear_port_feature; 198302ac6454SAndrew Thompson case UR_SET_FEATURE: 198402ac6454SAndrew Thompson goto tr_handle_set_port_feature; 198502ac6454SAndrew Thompson case UR_CLEAR_TT_BUFFER: 198602ac6454SAndrew Thompson case UR_RESET_TT: 198702ac6454SAndrew Thompson case UR_STOP_TT: 198802ac6454SAndrew Thompson goto tr_valid; 198902ac6454SAndrew Thompson 199002ac6454SAndrew Thompson default: 199102ac6454SAndrew Thompson goto tr_stalled; 199202ac6454SAndrew Thompson } 199302ac6454SAndrew Thompson break; 199402ac6454SAndrew Thompson 199502ac6454SAndrew Thompson case UT_READ_CLASS_OTHER: 199602ac6454SAndrew Thompson switch (std->req.bRequest) { 199702ac6454SAndrew Thompson case UR_GET_TT_STATE: 199802ac6454SAndrew Thompson goto tr_handle_get_tt_state; 199902ac6454SAndrew Thompson case UR_GET_STATUS: 200002ac6454SAndrew Thompson goto tr_handle_get_port_status; 200102ac6454SAndrew Thompson default: 200202ac6454SAndrew Thompson goto tr_stalled; 200302ac6454SAndrew Thompson } 200402ac6454SAndrew Thompson break; 200502ac6454SAndrew Thompson 200602ac6454SAndrew Thompson case UT_READ_CLASS_DEVICE: 200702ac6454SAndrew Thompson switch (std->req.bRequest) { 200802ac6454SAndrew Thompson case UR_GET_DESCRIPTOR: 200902ac6454SAndrew Thompson goto tr_handle_get_class_descriptor; 201002ac6454SAndrew Thompson case UR_GET_STATUS: 201102ac6454SAndrew Thompson goto tr_handle_get_class_status; 201202ac6454SAndrew Thompson 201302ac6454SAndrew Thompson default: 201402ac6454SAndrew Thompson goto tr_stalled; 201502ac6454SAndrew Thompson } 201602ac6454SAndrew Thompson break; 201702ac6454SAndrew Thompson default: 201802ac6454SAndrew Thompson goto tr_stalled; 201902ac6454SAndrew Thompson } 202002ac6454SAndrew Thompson goto tr_valid; 202102ac6454SAndrew Thompson 202202ac6454SAndrew Thompson tr_handle_get_descriptor: 202302ac6454SAndrew Thompson switch (value >> 8) { 202402ac6454SAndrew Thompson case UDESC_DEVICE: 202502ac6454SAndrew Thompson if (value & 0xff) { 202602ac6454SAndrew Thompson goto tr_stalled; 202702ac6454SAndrew Thompson } 202802ac6454SAndrew Thompson std->len = sizeof(uss820dci_devd); 202902ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&uss820dci_devd, 0); 203002ac6454SAndrew Thompson goto tr_valid; 203102ac6454SAndrew Thompson case UDESC_CONFIG: 203202ac6454SAndrew Thompson if (value & 0xff) { 203302ac6454SAndrew Thompson goto tr_stalled; 203402ac6454SAndrew Thompson } 203502ac6454SAndrew Thompson std->len = sizeof(uss820dci_confd); 203602ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&uss820dci_confd, 0); 203702ac6454SAndrew Thompson goto tr_valid; 203802ac6454SAndrew Thompson case UDESC_STRING: 203902ac6454SAndrew Thompson switch (value & 0xff) { 204002ac6454SAndrew Thompson case 0: /* Language table */ 204102ac6454SAndrew Thompson std->len = sizeof(uss820dci_langtab); 204202ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&uss820dci_langtab, 0); 204302ac6454SAndrew Thompson goto tr_valid; 204402ac6454SAndrew Thompson 204502ac6454SAndrew Thompson case 1: /* Vendor */ 204602ac6454SAndrew Thompson std->len = sizeof(uss820dci_vendor); 204702ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&uss820dci_vendor, 0); 204802ac6454SAndrew Thompson goto tr_valid; 204902ac6454SAndrew Thompson 205002ac6454SAndrew Thompson case 2: /* Product */ 205102ac6454SAndrew Thompson std->len = sizeof(uss820dci_product); 205202ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&uss820dci_product, 0); 205302ac6454SAndrew Thompson goto tr_valid; 205402ac6454SAndrew Thompson default: 205502ac6454SAndrew Thompson break; 205602ac6454SAndrew Thompson } 205702ac6454SAndrew Thompson break; 205802ac6454SAndrew Thompson default: 205902ac6454SAndrew Thompson goto tr_stalled; 206002ac6454SAndrew Thompson } 206102ac6454SAndrew Thompson goto tr_stalled; 206202ac6454SAndrew Thompson 206302ac6454SAndrew Thompson tr_handle_get_config: 206402ac6454SAndrew Thompson std->len = 1; 206502ac6454SAndrew Thompson sc->sc_hub_temp.wValue[0] = sc->sc_conf; 206602ac6454SAndrew Thompson goto tr_valid; 206702ac6454SAndrew Thompson 206802ac6454SAndrew Thompson tr_handle_get_status: 206902ac6454SAndrew Thompson std->len = 2; 207002ac6454SAndrew Thompson USETW(sc->sc_hub_temp.wValue, UDS_SELF_POWERED); 207102ac6454SAndrew Thompson goto tr_valid; 207202ac6454SAndrew Thompson 207302ac6454SAndrew Thompson tr_handle_set_address: 207402ac6454SAndrew Thompson if (value & 0xFF00) { 207502ac6454SAndrew Thompson goto tr_stalled; 207602ac6454SAndrew Thompson } 207702ac6454SAndrew Thompson sc->sc_rt_addr = value; 207802ac6454SAndrew Thompson goto tr_valid; 207902ac6454SAndrew Thompson 208002ac6454SAndrew Thompson tr_handle_set_config: 208102ac6454SAndrew Thompson if (value >= 2) { 208202ac6454SAndrew Thompson goto tr_stalled; 208302ac6454SAndrew Thompson } 208402ac6454SAndrew Thompson sc->sc_conf = value; 208502ac6454SAndrew Thompson goto tr_valid; 208602ac6454SAndrew Thompson 208702ac6454SAndrew Thompson tr_handle_get_interface: 208802ac6454SAndrew Thompson std->len = 1; 208902ac6454SAndrew Thompson sc->sc_hub_temp.wValue[0] = 0; 209002ac6454SAndrew Thompson goto tr_valid; 209102ac6454SAndrew Thompson 209202ac6454SAndrew Thompson tr_handle_get_tt_state: 209302ac6454SAndrew Thompson tr_handle_get_class_status: 209402ac6454SAndrew Thompson tr_handle_get_iface_status: 209502ac6454SAndrew Thompson tr_handle_get_ep_status: 209602ac6454SAndrew Thompson std->len = 2; 209702ac6454SAndrew Thompson USETW(sc->sc_hub_temp.wValue, 0); 209802ac6454SAndrew Thompson goto tr_valid; 209902ac6454SAndrew Thompson 210002ac6454SAndrew Thompson tr_handle_set_halt: 210102ac6454SAndrew Thompson tr_handle_set_interface: 210202ac6454SAndrew Thompson tr_handle_set_wakeup: 210302ac6454SAndrew Thompson tr_handle_clear_wakeup: 210402ac6454SAndrew Thompson tr_handle_clear_halt: 210502ac6454SAndrew Thompson goto tr_valid; 210602ac6454SAndrew Thompson 210702ac6454SAndrew Thompson tr_handle_clear_port_feature: 210802ac6454SAndrew Thompson if (index != 1) { 210902ac6454SAndrew Thompson goto tr_stalled; 211002ac6454SAndrew Thompson } 211102ac6454SAndrew Thompson DPRINTFN(9, "UR_CLEAR_PORT_FEATURE on port %d\n", index); 211202ac6454SAndrew Thompson 211302ac6454SAndrew Thompson switch (value) { 211402ac6454SAndrew Thompson case UHF_PORT_SUSPEND: 211502ac6454SAndrew Thompson uss820dci_wakeup_peer(sc); 211602ac6454SAndrew Thompson break; 211702ac6454SAndrew Thompson 211802ac6454SAndrew Thompson case UHF_PORT_ENABLE: 211902ac6454SAndrew Thompson sc->sc_flags.port_enabled = 0; 212002ac6454SAndrew Thompson break; 212102ac6454SAndrew Thompson 212202ac6454SAndrew Thompson case UHF_PORT_TEST: 212302ac6454SAndrew Thompson case UHF_PORT_INDICATOR: 212402ac6454SAndrew Thompson case UHF_C_PORT_ENABLE: 212502ac6454SAndrew Thompson case UHF_C_PORT_OVER_CURRENT: 212602ac6454SAndrew Thompson case UHF_C_PORT_RESET: 212702ac6454SAndrew Thompson /* nops */ 212802ac6454SAndrew Thompson break; 212902ac6454SAndrew Thompson case UHF_PORT_POWER: 213002ac6454SAndrew Thompson sc->sc_flags.port_powered = 0; 213102ac6454SAndrew Thompson uss820dci_pull_down(sc); 213202ac6454SAndrew Thompson break; 213302ac6454SAndrew Thompson case UHF_C_PORT_CONNECTION: 213402ac6454SAndrew Thompson sc->sc_flags.change_connect = 0; 213502ac6454SAndrew Thompson break; 213602ac6454SAndrew Thompson case UHF_C_PORT_SUSPEND: 213702ac6454SAndrew Thompson sc->sc_flags.change_suspend = 0; 213802ac6454SAndrew Thompson break; 213902ac6454SAndrew Thompson default: 214002ac6454SAndrew Thompson std->err = USB_ERR_IOERROR; 214102ac6454SAndrew Thompson goto done; 214202ac6454SAndrew Thompson } 214302ac6454SAndrew Thompson goto tr_valid; 214402ac6454SAndrew Thompson 214502ac6454SAndrew Thompson tr_handle_set_port_feature: 214602ac6454SAndrew Thompson if (index != 1) { 214702ac6454SAndrew Thompson goto tr_stalled; 214802ac6454SAndrew Thompson } 214902ac6454SAndrew Thompson DPRINTFN(9, "UR_SET_PORT_FEATURE\n"); 215002ac6454SAndrew Thompson 215102ac6454SAndrew Thompson switch (value) { 215202ac6454SAndrew Thompson case UHF_PORT_ENABLE: 215302ac6454SAndrew Thompson sc->sc_flags.port_enabled = 1; 215402ac6454SAndrew Thompson break; 215502ac6454SAndrew Thompson case UHF_PORT_SUSPEND: 215602ac6454SAndrew Thompson case UHF_PORT_RESET: 215702ac6454SAndrew Thompson case UHF_PORT_TEST: 215802ac6454SAndrew Thompson case UHF_PORT_INDICATOR: 215902ac6454SAndrew Thompson /* nops */ 216002ac6454SAndrew Thompson break; 216102ac6454SAndrew Thompson case UHF_PORT_POWER: 216202ac6454SAndrew Thompson sc->sc_flags.port_powered = 1; 216302ac6454SAndrew Thompson break; 216402ac6454SAndrew Thompson default: 216502ac6454SAndrew Thompson std->err = USB_ERR_IOERROR; 216602ac6454SAndrew Thompson goto done; 216702ac6454SAndrew Thompson } 216802ac6454SAndrew Thompson goto tr_valid; 216902ac6454SAndrew Thompson 217002ac6454SAndrew Thompson tr_handle_get_port_status: 217102ac6454SAndrew Thompson 217202ac6454SAndrew Thompson DPRINTFN(9, "UR_GET_PORT_STATUS\n"); 217302ac6454SAndrew Thompson 217402ac6454SAndrew Thompson if (index != 1) { 217502ac6454SAndrew Thompson goto tr_stalled; 217602ac6454SAndrew Thompson } 217702ac6454SAndrew Thompson if (sc->sc_flags.status_vbus) { 217802ac6454SAndrew Thompson uss820dci_pull_up(sc); 217902ac6454SAndrew Thompson } else { 218002ac6454SAndrew Thompson uss820dci_pull_down(sc); 218102ac6454SAndrew Thompson } 218202ac6454SAndrew Thompson 218302ac6454SAndrew Thompson /* Select FULL-speed and Device Side Mode */ 218402ac6454SAndrew Thompson 218502ac6454SAndrew Thompson value = UPS_PORT_MODE_DEVICE; 218602ac6454SAndrew Thompson 218702ac6454SAndrew Thompson if (sc->sc_flags.port_powered) { 218802ac6454SAndrew Thompson value |= UPS_PORT_POWER; 218902ac6454SAndrew Thompson } 219002ac6454SAndrew Thompson if (sc->sc_flags.port_enabled) { 219102ac6454SAndrew Thompson value |= UPS_PORT_ENABLED; 219202ac6454SAndrew Thompson } 219302ac6454SAndrew Thompson if (sc->sc_flags.status_vbus && 219402ac6454SAndrew Thompson sc->sc_flags.status_bus_reset) { 219502ac6454SAndrew Thompson value |= UPS_CURRENT_CONNECT_STATUS; 219602ac6454SAndrew Thompson } 219702ac6454SAndrew Thompson if (sc->sc_flags.status_suspend) { 219802ac6454SAndrew Thompson value |= UPS_SUSPEND; 219902ac6454SAndrew Thompson } 220002ac6454SAndrew Thompson USETW(sc->sc_hub_temp.ps.wPortStatus, value); 220102ac6454SAndrew Thompson 220202ac6454SAndrew Thompson value = 0; 220302ac6454SAndrew Thompson 220402ac6454SAndrew Thompson if (sc->sc_flags.change_connect) { 220502ac6454SAndrew Thompson value |= UPS_C_CONNECT_STATUS; 220602ac6454SAndrew Thompson } 220702ac6454SAndrew Thompson if (sc->sc_flags.change_suspend) { 220802ac6454SAndrew Thompson value |= UPS_C_SUSPEND; 220902ac6454SAndrew Thompson } 221002ac6454SAndrew Thompson USETW(sc->sc_hub_temp.ps.wPortChange, value); 221102ac6454SAndrew Thompson std->len = sizeof(sc->sc_hub_temp.ps); 221202ac6454SAndrew Thompson goto tr_valid; 221302ac6454SAndrew Thompson 221402ac6454SAndrew Thompson tr_handle_get_class_descriptor: 221502ac6454SAndrew Thompson if (value & 0xFF) { 221602ac6454SAndrew Thompson goto tr_stalled; 221702ac6454SAndrew Thompson } 221802ac6454SAndrew Thompson std->ptr = USB_ADD_BYTES(&uss820dci_hubd, 0); 221902ac6454SAndrew Thompson std->len = sizeof(uss820dci_hubd); 222002ac6454SAndrew Thompson goto tr_valid; 222102ac6454SAndrew Thompson 222202ac6454SAndrew Thompson tr_stalled: 222302ac6454SAndrew Thompson std->err = USB_ERR_STALLED; 222402ac6454SAndrew Thompson tr_valid: 222502ac6454SAndrew Thompson done: 222602ac6454SAndrew Thompson return; 222702ac6454SAndrew Thompson } 222802ac6454SAndrew Thompson 222902ac6454SAndrew Thompson static void 223002ac6454SAndrew Thompson uss820dci_root_ctrl_poll(struct uss820dci_softc *sc) 223102ac6454SAndrew Thompson { 223202ac6454SAndrew Thompson usb2_sw_transfer(&sc->sc_root_ctrl, 223302ac6454SAndrew Thompson &uss820dci_root_ctrl_done); 223402ac6454SAndrew Thompson } 223502ac6454SAndrew Thompson 223602ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_root_ctrl_methods = 223702ac6454SAndrew Thompson { 223802ac6454SAndrew Thompson .open = uss820dci_root_ctrl_open, 223902ac6454SAndrew Thompson .close = uss820dci_root_ctrl_close, 224002ac6454SAndrew Thompson .enter = uss820dci_root_ctrl_enter, 224102ac6454SAndrew Thompson .start = uss820dci_root_ctrl_start, 224202ac6454SAndrew Thompson .enter_is_cancelable = 1, 224302ac6454SAndrew Thompson .start_is_cancelable = 0, 224402ac6454SAndrew Thompson }; 224502ac6454SAndrew Thompson 224602ac6454SAndrew Thompson /*------------------------------------------------------------------------* 224702ac6454SAndrew Thompson * at91dci root interrupt support 224802ac6454SAndrew Thompson *------------------------------------------------------------------------*/ 224902ac6454SAndrew Thompson static void 225002ac6454SAndrew Thompson uss820dci_root_intr_open(struct usb2_xfer *xfer) 225102ac6454SAndrew Thompson { 225202ac6454SAndrew Thompson return; 225302ac6454SAndrew Thompson } 225402ac6454SAndrew Thompson 225502ac6454SAndrew Thompson static void 225602ac6454SAndrew Thompson uss820dci_root_intr_close(struct usb2_xfer *xfer) 225702ac6454SAndrew Thompson { 225802ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 225902ac6454SAndrew Thompson 226002ac6454SAndrew Thompson if (sc->sc_root_intr.xfer == xfer) { 226102ac6454SAndrew Thompson sc->sc_root_intr.xfer = NULL; 226202ac6454SAndrew Thompson } 226302ac6454SAndrew Thompson uss820dci_device_done(xfer, USB_ERR_CANCELLED); 226402ac6454SAndrew Thompson } 226502ac6454SAndrew Thompson 226602ac6454SAndrew Thompson static void 226702ac6454SAndrew Thompson uss820dci_root_intr_enter(struct usb2_xfer *xfer) 226802ac6454SAndrew Thompson { 226902ac6454SAndrew Thompson return; 227002ac6454SAndrew Thompson } 227102ac6454SAndrew Thompson 227202ac6454SAndrew Thompson static void 227302ac6454SAndrew Thompson uss820dci_root_intr_start(struct usb2_xfer *xfer) 227402ac6454SAndrew Thompson { 227502ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(xfer->xroot->bus); 227602ac6454SAndrew Thompson 227702ac6454SAndrew Thompson sc->sc_root_intr.xfer = xfer; 227802ac6454SAndrew Thompson } 227902ac6454SAndrew Thompson 228002ac6454SAndrew Thompson struct usb2_pipe_methods uss820dci_root_intr_methods = 228102ac6454SAndrew Thompson { 228202ac6454SAndrew Thompson .open = uss820dci_root_intr_open, 228302ac6454SAndrew Thompson .close = uss820dci_root_intr_close, 228402ac6454SAndrew Thompson .enter = uss820dci_root_intr_enter, 228502ac6454SAndrew Thompson .start = uss820dci_root_intr_start, 228602ac6454SAndrew Thompson .enter_is_cancelable = 1, 228702ac6454SAndrew Thompson .start_is_cancelable = 1, 228802ac6454SAndrew Thompson }; 228902ac6454SAndrew Thompson 229002ac6454SAndrew Thompson static void 229102ac6454SAndrew Thompson uss820dci_xfer_setup(struct usb2_setup_params *parm) 229202ac6454SAndrew Thompson { 229302ac6454SAndrew Thompson const struct usb2_hw_ep_profile *pf; 229402ac6454SAndrew Thompson struct uss820dci_softc *sc; 229502ac6454SAndrew Thompson struct usb2_xfer *xfer; 229602ac6454SAndrew Thompson void *last_obj; 229702ac6454SAndrew Thompson uint32_t ntd; 229802ac6454SAndrew Thompson uint32_t n; 229902ac6454SAndrew Thompson uint8_t ep_no; 230002ac6454SAndrew Thompson 230102ac6454SAndrew Thompson sc = USS820_DCI_BUS2SC(parm->udev->bus); 230202ac6454SAndrew Thompson xfer = parm->curr_xfer; 230302ac6454SAndrew Thompson 230402ac6454SAndrew Thompson /* 230502ac6454SAndrew Thompson * NOTE: This driver does not use any of the parameters that 230602ac6454SAndrew Thompson * are computed from the following values. Just set some 230702ac6454SAndrew Thompson * reasonable dummies: 230802ac6454SAndrew Thompson */ 230902ac6454SAndrew Thompson parm->hc_max_packet_size = 0x500; 231002ac6454SAndrew Thompson parm->hc_max_packet_count = 1; 231102ac6454SAndrew Thompson parm->hc_max_frame_size = 0x500; 231202ac6454SAndrew Thompson 231302ac6454SAndrew Thompson usb2_transfer_setup_sub(parm); 231402ac6454SAndrew Thompson 231502ac6454SAndrew Thompson /* 231602ac6454SAndrew Thompson * compute maximum number of TDs 231702ac6454SAndrew Thompson */ 231802ac6454SAndrew Thompson if (parm->methods == &uss820dci_device_ctrl_methods) { 231902ac6454SAndrew Thompson 232002ac6454SAndrew Thompson ntd = xfer->nframes + 1 /* STATUS */ + 1 /* SYNC */ ; 232102ac6454SAndrew Thompson 232202ac6454SAndrew Thompson } else if (parm->methods == &uss820dci_device_bulk_methods) { 232302ac6454SAndrew Thompson 232402ac6454SAndrew Thompson ntd = xfer->nframes + 1 /* SYNC */ ; 232502ac6454SAndrew Thompson 232602ac6454SAndrew Thompson } else if (parm->methods == &uss820dci_device_intr_methods) { 232702ac6454SAndrew Thompson 232802ac6454SAndrew Thompson ntd = xfer->nframes + 1 /* SYNC */ ; 232902ac6454SAndrew Thompson 233002ac6454SAndrew Thompson } else if (parm->methods == &uss820dci_device_isoc_fs_methods) { 233102ac6454SAndrew Thompson 233202ac6454SAndrew Thompson ntd = xfer->nframes + 1 /* SYNC */ ; 233302ac6454SAndrew Thompson 233402ac6454SAndrew Thompson } else { 233502ac6454SAndrew Thompson 233602ac6454SAndrew Thompson ntd = 0; 233702ac6454SAndrew Thompson } 233802ac6454SAndrew Thompson 233902ac6454SAndrew Thompson /* 234002ac6454SAndrew Thompson * check if "usb2_transfer_setup_sub" set an error 234102ac6454SAndrew Thompson */ 234202ac6454SAndrew Thompson if (parm->err) { 234302ac6454SAndrew Thompson return; 234402ac6454SAndrew Thompson } 234502ac6454SAndrew Thompson /* 234602ac6454SAndrew Thompson * allocate transfer descriptors 234702ac6454SAndrew Thompson */ 234802ac6454SAndrew Thompson last_obj = NULL; 234902ac6454SAndrew Thompson 235002ac6454SAndrew Thompson /* 235102ac6454SAndrew Thompson * get profile stuff 235202ac6454SAndrew Thompson */ 235302ac6454SAndrew Thompson if (ntd) { 235402ac6454SAndrew Thompson 235502ac6454SAndrew Thompson ep_no = xfer->endpoint & UE_ADDR; 235602ac6454SAndrew Thompson uss820dci_get_hw_ep_profile(parm->udev, &pf, ep_no); 235702ac6454SAndrew Thompson 235802ac6454SAndrew Thompson if (pf == NULL) { 235902ac6454SAndrew Thompson /* should not happen */ 236002ac6454SAndrew Thompson parm->err = USB_ERR_INVAL; 236102ac6454SAndrew Thompson return; 236202ac6454SAndrew Thompson } 236302ac6454SAndrew Thompson } else { 236402ac6454SAndrew Thompson ep_no = 0; 236502ac6454SAndrew Thompson pf = NULL; 236602ac6454SAndrew Thompson } 236702ac6454SAndrew Thompson 236802ac6454SAndrew Thompson /* align data */ 236902ac6454SAndrew Thompson parm->size[0] += ((-parm->size[0]) & (USB_HOST_ALIGN - 1)); 237002ac6454SAndrew Thompson 237102ac6454SAndrew Thompson for (n = 0; n != ntd; n++) { 237202ac6454SAndrew Thompson 237302ac6454SAndrew Thompson struct uss820dci_td *td; 237402ac6454SAndrew Thompson 237502ac6454SAndrew Thompson if (parm->buf) { 237602ac6454SAndrew Thompson 237702ac6454SAndrew Thompson td = USB_ADD_BYTES(parm->buf, parm->size[0]); 237802ac6454SAndrew Thompson 237902ac6454SAndrew Thompson /* init TD */ 238002ac6454SAndrew Thompson td->io_tag = sc->sc_io_tag; 238102ac6454SAndrew Thompson td->io_hdl = sc->sc_io_hdl; 238202ac6454SAndrew Thompson td->max_packet_size = xfer->max_packet_size; 238302ac6454SAndrew Thompson td->rx_stat_reg = USS820_GET_REG(sc, USS820_RXSTAT); 238402ac6454SAndrew Thompson td->tx_stat_reg = USS820_GET_REG(sc, USS820_TXSTAT); 238502ac6454SAndrew Thompson td->rx_flag_reg = USS820_GET_REG(sc, USS820_RXFLG); 238602ac6454SAndrew Thompson td->tx_flag_reg = USS820_GET_REG(sc, USS820_TXFLG); 238702ac6454SAndrew Thompson td->rx_fifo_reg = USS820_GET_REG(sc, USS820_RXDAT); 238802ac6454SAndrew Thompson td->tx_fifo_reg = USS820_GET_REG(sc, USS820_TXDAT); 238902ac6454SAndrew Thompson td->rx_count_low_reg = USS820_GET_REG(sc, USS820_RXCNTL); 239002ac6454SAndrew Thompson td->rx_count_high_reg = USS820_GET_REG(sc, USS820_RXCNTH); 239102ac6454SAndrew Thompson td->tx_count_low_reg = USS820_GET_REG(sc, USS820_TXCNTL); 239202ac6454SAndrew Thompson td->tx_count_high_reg = USS820_GET_REG(sc, USS820_TXCNTH); 239302ac6454SAndrew Thompson td->rx_cntl_reg = USS820_GET_REG(sc, USS820_RXCON); 239402ac6454SAndrew Thompson td->tx_cntl_reg = USS820_GET_REG(sc, USS820_TXCON); 239502ac6454SAndrew Thompson td->pend_reg = USS820_GET_REG(sc, USS820_PEND); 239602ac6454SAndrew Thompson td->ep_reg = USS820_GET_REG(sc, USS820_EPINDEX); 239702ac6454SAndrew Thompson td->ep_index = ep_no; 239802ac6454SAndrew Thompson if (pf->support_multi_buffer && 239902ac6454SAndrew Thompson (parm->methods != &uss820dci_device_ctrl_methods)) { 240002ac6454SAndrew Thompson td->support_multi_buffer = 1; 240102ac6454SAndrew Thompson } 240202ac6454SAndrew Thompson td->obj_next = last_obj; 240302ac6454SAndrew Thompson 240402ac6454SAndrew Thompson last_obj = td; 240502ac6454SAndrew Thompson } 240602ac6454SAndrew Thompson parm->size[0] += sizeof(*td); 240702ac6454SAndrew Thompson } 240802ac6454SAndrew Thompson 240902ac6454SAndrew Thompson xfer->td_start[0] = last_obj; 241002ac6454SAndrew Thompson } 241102ac6454SAndrew Thompson 241202ac6454SAndrew Thompson static void 241302ac6454SAndrew Thompson uss820dci_xfer_unsetup(struct usb2_xfer *xfer) 241402ac6454SAndrew Thompson { 241502ac6454SAndrew Thompson return; 241602ac6454SAndrew Thompson } 241702ac6454SAndrew Thompson 241802ac6454SAndrew Thompson static void 241902ac6454SAndrew Thompson uss820dci_pipe_init(struct usb2_device *udev, struct usb2_endpoint_descriptor *edesc, 242002ac6454SAndrew Thompson struct usb2_pipe *pipe) 242102ac6454SAndrew Thompson { 242202ac6454SAndrew Thompson struct uss820dci_softc *sc = USS820_DCI_BUS2SC(udev->bus); 242302ac6454SAndrew Thompson 242402ac6454SAndrew Thompson DPRINTFN(2, "pipe=%p, addr=%d, endpt=%d, mode=%d (%d)\n", 242502ac6454SAndrew Thompson pipe, udev->address, 242602ac6454SAndrew Thompson edesc->bEndpointAddress, udev->flags.usb2_mode, 242702ac6454SAndrew Thompson sc->sc_rt_addr); 242802ac6454SAndrew Thompson 242902ac6454SAndrew Thompson if (udev->device_index == sc->sc_rt_addr) { 243002ac6454SAndrew Thompson 243102ac6454SAndrew Thompson if (udev->flags.usb2_mode != USB_MODE_HOST) { 243202ac6454SAndrew Thompson /* not supported */ 243302ac6454SAndrew Thompson return; 243402ac6454SAndrew Thompson } 243502ac6454SAndrew Thompson switch (edesc->bEndpointAddress) { 243602ac6454SAndrew Thompson case USB_CONTROL_ENDPOINT: 243702ac6454SAndrew Thompson pipe->methods = &uss820dci_root_ctrl_methods; 243802ac6454SAndrew Thompson break; 243902ac6454SAndrew Thompson case UE_DIR_IN | USS820_DCI_INTR_ENDPT: 244002ac6454SAndrew Thompson pipe->methods = &uss820dci_root_intr_methods; 244102ac6454SAndrew Thompson break; 244202ac6454SAndrew Thompson default: 244302ac6454SAndrew Thompson /* do nothing */ 244402ac6454SAndrew Thompson break; 244502ac6454SAndrew Thompson } 244602ac6454SAndrew Thompson } else { 244702ac6454SAndrew Thompson 244802ac6454SAndrew Thompson if (udev->flags.usb2_mode != USB_MODE_DEVICE) { 244902ac6454SAndrew Thompson /* not supported */ 245002ac6454SAndrew Thompson return; 245102ac6454SAndrew Thompson } 245202ac6454SAndrew Thompson if (udev->speed != USB_SPEED_FULL) { 245302ac6454SAndrew Thompson /* not supported */ 245402ac6454SAndrew Thompson return; 245502ac6454SAndrew Thompson } 245602ac6454SAndrew Thompson switch (edesc->bmAttributes & UE_XFERTYPE) { 245702ac6454SAndrew Thompson case UE_CONTROL: 245802ac6454SAndrew Thompson pipe->methods = &uss820dci_device_ctrl_methods; 245902ac6454SAndrew Thompson break; 246002ac6454SAndrew Thompson case UE_INTERRUPT: 246102ac6454SAndrew Thompson pipe->methods = &uss820dci_device_intr_methods; 246202ac6454SAndrew Thompson break; 246302ac6454SAndrew Thompson case UE_ISOCHRONOUS: 246402ac6454SAndrew Thompson pipe->methods = &uss820dci_device_isoc_fs_methods; 246502ac6454SAndrew Thompson break; 246602ac6454SAndrew Thompson case UE_BULK: 246702ac6454SAndrew Thompson pipe->methods = &uss820dci_device_bulk_methods; 246802ac6454SAndrew Thompson break; 246902ac6454SAndrew Thompson default: 247002ac6454SAndrew Thompson /* do nothing */ 247102ac6454SAndrew Thompson break; 247202ac6454SAndrew Thompson } 247302ac6454SAndrew Thompson } 247402ac6454SAndrew Thompson } 247502ac6454SAndrew Thompson 247602ac6454SAndrew Thompson struct usb2_bus_methods uss820dci_bus_methods = 247702ac6454SAndrew Thompson { 247802ac6454SAndrew Thompson .pipe_init = &uss820dci_pipe_init, 247902ac6454SAndrew Thompson .xfer_setup = &uss820dci_xfer_setup, 248002ac6454SAndrew Thompson .xfer_unsetup = &uss820dci_xfer_unsetup, 248102ac6454SAndrew Thompson .get_hw_ep_profile = &uss820dci_get_hw_ep_profile, 248202ac6454SAndrew Thompson .set_stall = &uss820dci_set_stall, 248302ac6454SAndrew Thompson .clear_stall = &uss820dci_clear_stall, 248402ac6454SAndrew Thompson .roothub_exec = &uss820dci_root_ctrl_task, 248502ac6454SAndrew Thompson }; 2486