102ac6454SAndrew Thompson #include <sys/cdefs.h> 202ac6454SAndrew Thompson __FBSDID("$FreeBSD$"); 302ac6454SAndrew Thompson 402ac6454SAndrew Thompson /*- 502ac6454SAndrew Thompson * Copyright (c) 2003 Scott Long 602ac6454SAndrew Thompson * All rights reserved. 702ac6454SAndrew Thompson * 802ac6454SAndrew Thompson * Redistribution and use in source and binary forms, with or without 902ac6454SAndrew Thompson * modification, are permitted provided that the following conditions 1002ac6454SAndrew Thompson * are met: 1102ac6454SAndrew Thompson * 1. Redistributions of source code must retain the above copyright 1202ac6454SAndrew Thompson * notice, this list of conditions and the following disclaimer. 1302ac6454SAndrew Thompson * 2. Redistributions in binary form must reproduce the above copyright 1402ac6454SAndrew Thompson * notice, this list of conditions and the following disclaimer in the 1502ac6454SAndrew Thompson * documentation and/or other materials provided with the distribution. 1602ac6454SAndrew Thompson * 1702ac6454SAndrew Thompson * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 1802ac6454SAndrew Thompson * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1902ac6454SAndrew Thompson * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2002ac6454SAndrew Thompson * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 2102ac6454SAndrew Thompson * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2202ac6454SAndrew Thompson * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2302ac6454SAndrew Thompson * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2402ac6454SAndrew Thompson * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2502ac6454SAndrew Thompson * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2602ac6454SAndrew Thompson * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2702ac6454SAndrew Thompson * SUCH DAMAGE. 2802ac6454SAndrew Thompson * 2902ac6454SAndrew Thompson */ 3002ac6454SAndrew Thompson 3102ac6454SAndrew Thompson /* 3202ac6454SAndrew Thompson * Driver for the MCT (Magic Control Technology) USB-RS232 Converter. 3302ac6454SAndrew Thompson * Based on the superb documentation from the linux mct_u232 driver by 3402ac6454SAndrew Thompson * Wolfgang Grandeggar <wolfgang@cec.ch>. 3502ac6454SAndrew Thompson * This device smells a lot like the Belkin F5U103, except that it has 3602ac6454SAndrew Thompson * suffered some mild brain-damage. This driver is based off of the ubsa.c 375d38a4d4SEd Schouten * driver from Alexander Kabaev <kan@FreeBSD.org>. Merging the two together 3802ac6454SAndrew Thompson * might be useful, though the subtle differences might lead to lots of 3902ac6454SAndrew Thompson * #ifdef's. 4002ac6454SAndrew Thompson */ 4102ac6454SAndrew Thompson 4202ac6454SAndrew Thompson /* 4302ac6454SAndrew Thompson * NOTE: all function names beginning like "umct_cfg_" can only 4402ac6454SAndrew Thompson * be called from within the config thread function ! 4502ac6454SAndrew Thompson */ 4602ac6454SAndrew Thompson 4702ac6454SAndrew Thompson #include "usbdevs.h" 4802ac6454SAndrew Thompson #include <dev/usb/usb.h> 4902ac6454SAndrew Thompson #include <dev/usb/usb_mfunc.h> 5002ac6454SAndrew Thompson #include <dev/usb/usb_error.h> 5102ac6454SAndrew Thompson #include <dev/usb/usb_cdc.h> 5202ac6454SAndrew Thompson 5302ac6454SAndrew Thompson #define USB_DEBUG_VAR usb2_debug 5402ac6454SAndrew Thompson 5502ac6454SAndrew Thompson #include <dev/usb/usb_core.h> 5602ac6454SAndrew Thompson #include <dev/usb/usb_debug.h> 5702ac6454SAndrew Thompson #include <dev/usb/usb_process.h> 5802ac6454SAndrew Thompson #include <dev/usb/usb_request.h> 5902ac6454SAndrew Thompson #include <dev/usb/usb_lookup.h> 6002ac6454SAndrew Thompson #include <dev/usb/usb_util.h> 6102ac6454SAndrew Thompson #include <dev/usb/usb_busdma.h> 6202ac6454SAndrew Thompson #include <dev/usb/usb_device.h> 6302ac6454SAndrew Thompson 6402ac6454SAndrew Thompson #include <dev/usb/serial/usb_serial.h> 6502ac6454SAndrew Thompson 6602ac6454SAndrew Thompson /* The UMCT advertises the standard 8250 UART registers */ 6702ac6454SAndrew Thompson #define UMCT_GET_MSR 2 /* Get Modem Status Register */ 6802ac6454SAndrew Thompson #define UMCT_GET_MSR_SIZE 1 6902ac6454SAndrew Thompson #define UMCT_GET_LCR 6 /* Get Line Control Register */ 7002ac6454SAndrew Thompson #define UMCT_GET_LCR_SIZE 1 7102ac6454SAndrew Thompson #define UMCT_SET_BAUD 5 /* Set the Baud Rate Divisor */ 7202ac6454SAndrew Thompson #define UMCT_SET_BAUD_SIZE 4 7302ac6454SAndrew Thompson #define UMCT_SET_LCR 7 /* Set Line Control Register */ 7402ac6454SAndrew Thompson #define UMCT_SET_LCR_SIZE 1 7502ac6454SAndrew Thompson #define UMCT_SET_MCR 10 /* Set Modem Control Register */ 7602ac6454SAndrew Thompson #define UMCT_SET_MCR_SIZE 1 7702ac6454SAndrew Thompson 7802ac6454SAndrew Thompson #define UMCT_INTR_INTERVAL 100 7902ac6454SAndrew Thompson #define UMCT_IFACE_INDEX 0 80774651eeSAndrew Thompson #define UMCT_CONFIG_INDEX 0 8102ac6454SAndrew Thompson 8202ac6454SAndrew Thompson enum { 8302ac6454SAndrew Thompson UMCT_BULK_DT_WR, 8402ac6454SAndrew Thompson UMCT_BULK_DT_RD, 8502ac6454SAndrew Thompson UMCT_INTR_DT_RD, 8602ac6454SAndrew Thompson UMCT_N_TRANSFER, 8702ac6454SAndrew Thompson }; 8802ac6454SAndrew Thompson 8902ac6454SAndrew Thompson struct umct_softc { 90760bc48eSAndrew Thompson struct ucom_super_softc sc_super_ucom; 91760bc48eSAndrew Thompson struct ucom_softc sc_ucom; 9202ac6454SAndrew Thompson 93760bc48eSAndrew Thompson struct usb_device *sc_udev; 94760bc48eSAndrew Thompson struct usb_xfer *sc_xfer[UMCT_N_TRANSFER]; 95deefe583SAndrew Thompson struct mtx sc_mtx; 9602ac6454SAndrew Thompson 9702ac6454SAndrew Thompson uint32_t sc_unit; 9802ac6454SAndrew Thompson 9902ac6454SAndrew Thompson uint16_t sc_obufsize; 10002ac6454SAndrew Thompson 10102ac6454SAndrew Thompson uint8_t sc_lsr; 10202ac6454SAndrew Thompson uint8_t sc_msr; 10302ac6454SAndrew Thompson uint8_t sc_lcr; 10402ac6454SAndrew Thompson uint8_t sc_mcr; 10502ac6454SAndrew Thompson uint8_t sc_iface_no; 10602ac6454SAndrew Thompson uint8_t sc_name[16]; 10702ac6454SAndrew Thompson }; 10802ac6454SAndrew Thompson 10902ac6454SAndrew Thompson /* prototypes */ 11002ac6454SAndrew Thompson 11102ac6454SAndrew Thompson static device_probe_t umct_probe; 11202ac6454SAndrew Thompson static device_attach_t umct_attach; 11302ac6454SAndrew Thompson static device_detach_t umct_detach; 11402ac6454SAndrew Thompson 115e0a69b51SAndrew Thompson static usb_callback_t umct_intr_callback; 116e0a69b51SAndrew Thompson static usb_callback_t umct_write_callback; 117e0a69b51SAndrew Thompson static usb_callback_t umct_read_callback; 11802ac6454SAndrew Thompson 11902ac6454SAndrew Thompson static void umct_cfg_do_request(struct umct_softc *sc, uint8_t request, 12002ac6454SAndrew Thompson uint16_t len, uint32_t value); 121760bc48eSAndrew Thompson static void umct_cfg_get_status(struct ucom_softc *, uint8_t *, 12202ac6454SAndrew Thompson uint8_t *); 123760bc48eSAndrew Thompson static void umct_cfg_set_break(struct ucom_softc *, uint8_t); 124760bc48eSAndrew Thompson static void umct_cfg_set_dtr(struct ucom_softc *, uint8_t); 125760bc48eSAndrew Thompson static void umct_cfg_set_rts(struct ucom_softc *, uint8_t); 12602ac6454SAndrew Thompson static uint8_t umct_calc_baud(uint32_t); 127760bc48eSAndrew Thompson static int umct_pre_param(struct ucom_softc *, struct termios *); 128760bc48eSAndrew Thompson static void umct_cfg_param(struct ucom_softc *, struct termios *); 129760bc48eSAndrew Thompson static void umct_start_read(struct ucom_softc *); 130760bc48eSAndrew Thompson static void umct_stop_read(struct ucom_softc *); 131760bc48eSAndrew Thompson static void umct_start_write(struct ucom_softc *); 132760bc48eSAndrew Thompson static void umct_stop_write(struct ucom_softc *); 13302ac6454SAndrew Thompson 134760bc48eSAndrew Thompson static const struct usb_config umct_config[UMCT_N_TRANSFER] = { 13502ac6454SAndrew Thompson 13602ac6454SAndrew Thompson [UMCT_BULK_DT_WR] = { 13702ac6454SAndrew Thompson .type = UE_BULK, 13802ac6454SAndrew Thompson .endpoint = UE_ADDR_ANY, 13902ac6454SAndrew Thompson .direction = UE_DIR_OUT, 1404eae601eSAndrew Thompson .bufsize = 0, /* use wMaxPacketSize */ 1414eae601eSAndrew Thompson .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, 1424eae601eSAndrew Thompson .callback = &umct_write_callback, 14302ac6454SAndrew Thompson }, 14402ac6454SAndrew Thompson 14502ac6454SAndrew Thompson [UMCT_BULK_DT_RD] = { 14602ac6454SAndrew Thompson .type = UE_INTERRUPT, 14702ac6454SAndrew Thompson .endpoint = UE_ADDR_ANY, 14802ac6454SAndrew Thompson .direction = UE_DIR_IN, 1494eae601eSAndrew Thompson .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 1504eae601eSAndrew Thompson .bufsize = 0, /* use wMaxPacketSize */ 1514eae601eSAndrew Thompson .callback = &umct_read_callback, 15202ac6454SAndrew Thompson .ep_index = 0, /* first interrupt endpoint */ 15302ac6454SAndrew Thompson }, 15402ac6454SAndrew Thompson 15502ac6454SAndrew Thompson [UMCT_INTR_DT_RD] = { 15602ac6454SAndrew Thompson .type = UE_INTERRUPT, 15702ac6454SAndrew Thompson .endpoint = UE_ADDR_ANY, 15802ac6454SAndrew Thompson .direction = UE_DIR_IN, 1594eae601eSAndrew Thompson .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, 1604eae601eSAndrew Thompson .bufsize = 0, /* use wMaxPacketSize */ 1614eae601eSAndrew Thompson .callback = &umct_intr_callback, 16202ac6454SAndrew Thompson .ep_index = 1, /* second interrupt endpoint */ 16302ac6454SAndrew Thompson }, 16402ac6454SAndrew Thompson }; 16502ac6454SAndrew Thompson 166760bc48eSAndrew Thompson static const struct ucom_callback umct_callback = { 16702ac6454SAndrew Thompson .usb2_com_cfg_get_status = &umct_cfg_get_status, 16802ac6454SAndrew Thompson .usb2_com_cfg_set_dtr = &umct_cfg_set_dtr, 16902ac6454SAndrew Thompson .usb2_com_cfg_set_rts = &umct_cfg_set_rts, 17002ac6454SAndrew Thompson .usb2_com_cfg_set_break = &umct_cfg_set_break, 17102ac6454SAndrew Thompson .usb2_com_cfg_param = &umct_cfg_param, 17202ac6454SAndrew Thompson .usb2_com_pre_param = &umct_pre_param, 17302ac6454SAndrew Thompson .usb2_com_start_read = &umct_start_read, 17402ac6454SAndrew Thompson .usb2_com_stop_read = &umct_stop_read, 17502ac6454SAndrew Thompson .usb2_com_start_write = &umct_start_write, 17602ac6454SAndrew Thompson .usb2_com_stop_write = &umct_stop_write, 17702ac6454SAndrew Thompson }; 17802ac6454SAndrew Thompson 179760bc48eSAndrew Thompson static const struct usb_device_id umct_devs[] = { 18002ac6454SAndrew Thompson {USB_VPI(USB_VENDOR_MCT, USB_PRODUCT_MCT_USB232, 0)}, 18102ac6454SAndrew Thompson {USB_VPI(USB_VENDOR_MCT, USB_PRODUCT_MCT_SITECOM_USB232, 0)}, 18202ac6454SAndrew Thompson {USB_VPI(USB_VENDOR_MCT, USB_PRODUCT_MCT_DU_H3SP_USB232, 0)}, 18302ac6454SAndrew Thompson {USB_VPI(USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U109, 0)}, 18402ac6454SAndrew Thompson {USB_VPI(USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U409, 0)}, 18502ac6454SAndrew Thompson }; 18602ac6454SAndrew Thompson 18702ac6454SAndrew Thompson static device_method_t umct_methods[] = { 18802ac6454SAndrew Thompson DEVMETHOD(device_probe, umct_probe), 18902ac6454SAndrew Thompson DEVMETHOD(device_attach, umct_attach), 19002ac6454SAndrew Thompson DEVMETHOD(device_detach, umct_detach), 19102ac6454SAndrew Thompson {0, 0} 19202ac6454SAndrew Thompson }; 19302ac6454SAndrew Thompson 19402ac6454SAndrew Thompson static devclass_t umct_devclass; 19502ac6454SAndrew Thompson 19602ac6454SAndrew Thompson static driver_t umct_driver = { 19702ac6454SAndrew Thompson .name = "umct", 19802ac6454SAndrew Thompson .methods = umct_methods, 19902ac6454SAndrew Thompson .size = sizeof(struct umct_softc), 20002ac6454SAndrew Thompson }; 20102ac6454SAndrew Thompson 2029aef556dSAndrew Thompson DRIVER_MODULE(umct, uhub, umct_driver, umct_devclass, NULL, 0); 20302ac6454SAndrew Thompson MODULE_DEPEND(umct, ucom, 1, 1, 1); 20402ac6454SAndrew Thompson MODULE_DEPEND(umct, usb, 1, 1, 1); 20502ac6454SAndrew Thompson 20602ac6454SAndrew Thompson static int 20702ac6454SAndrew Thompson umct_probe(device_t dev) 20802ac6454SAndrew Thompson { 209760bc48eSAndrew Thompson struct usb_attach_arg *uaa = device_get_ivars(dev); 21002ac6454SAndrew Thompson 211f29a0724SAndrew Thompson if (uaa->usb_mode != USB_MODE_HOST) { 21202ac6454SAndrew Thompson return (ENXIO); 21302ac6454SAndrew Thompson } 21402ac6454SAndrew Thompson if (uaa->info.bConfigIndex != UMCT_CONFIG_INDEX) { 21502ac6454SAndrew Thompson return (ENXIO); 21602ac6454SAndrew Thompson } 21702ac6454SAndrew Thompson if (uaa->info.bIfaceIndex != UMCT_IFACE_INDEX) { 21802ac6454SAndrew Thompson return (ENXIO); 21902ac6454SAndrew Thompson } 22002ac6454SAndrew Thompson return (usb2_lookup_id_by_uaa(umct_devs, sizeof(umct_devs), uaa)); 22102ac6454SAndrew Thompson } 22202ac6454SAndrew Thompson 22302ac6454SAndrew Thompson static int 22402ac6454SAndrew Thompson umct_attach(device_t dev) 22502ac6454SAndrew Thompson { 226760bc48eSAndrew Thompson struct usb_attach_arg *uaa = device_get_ivars(dev); 22702ac6454SAndrew Thompson struct umct_softc *sc = device_get_softc(dev); 22802ac6454SAndrew Thompson int32_t error; 22902ac6454SAndrew Thompson uint16_t maxp; 23002ac6454SAndrew Thompson uint8_t iface_index; 23102ac6454SAndrew Thompson 23202ac6454SAndrew Thompson sc->sc_udev = uaa->device; 23302ac6454SAndrew Thompson sc->sc_unit = device_get_unit(dev); 23402ac6454SAndrew Thompson 23502ac6454SAndrew Thompson device_set_usb2_desc(dev); 236deefe583SAndrew Thompson mtx_init(&sc->sc_mtx, "umct", NULL, MTX_DEF); 23702ac6454SAndrew Thompson 23802ac6454SAndrew Thompson snprintf(sc->sc_name, sizeof(sc->sc_name), 23902ac6454SAndrew Thompson "%s", device_get_nameunit(dev)); 24002ac6454SAndrew Thompson 24102ac6454SAndrew Thompson sc->sc_iface_no = uaa->info.bIfaceNum; 24202ac6454SAndrew Thompson 24302ac6454SAndrew Thompson iface_index = UMCT_IFACE_INDEX; 24402ac6454SAndrew Thompson error = usb2_transfer_setup(uaa->device, &iface_index, 245deefe583SAndrew Thompson sc->sc_xfer, umct_config, UMCT_N_TRANSFER, sc, &sc->sc_mtx); 24602ac6454SAndrew Thompson 24702ac6454SAndrew Thompson if (error) { 24802ac6454SAndrew Thompson device_printf(dev, "allocating USB " 24902ac6454SAndrew Thompson "transfers failed!\n"); 25002ac6454SAndrew Thompson goto detach; 25102ac6454SAndrew Thompson } 25202ac6454SAndrew Thompson /* 25302ac6454SAndrew Thompson * The real bulk-in endpoint is also marked as an interrupt. 25402ac6454SAndrew Thompson * The only way to differentiate it from the real interrupt 25502ac6454SAndrew Thompson * endpoint is to look at the wMaxPacketSize field. 25602ac6454SAndrew Thompson */ 25702ac6454SAndrew Thompson maxp = UGETW(sc->sc_xfer[UMCT_BULK_DT_RD]->pipe->edesc->wMaxPacketSize); 25802ac6454SAndrew Thompson if (maxp == 0x2) { 25902ac6454SAndrew Thompson 26002ac6454SAndrew Thompson /* guessed wrong - switch around endpoints */ 26102ac6454SAndrew Thompson 262760bc48eSAndrew Thompson struct usb_xfer *temp = sc->sc_xfer[UMCT_INTR_DT_RD]; 26302ac6454SAndrew Thompson 26402ac6454SAndrew Thompson sc->sc_xfer[UMCT_INTR_DT_RD] = sc->sc_xfer[UMCT_BULK_DT_RD]; 26502ac6454SAndrew Thompson sc->sc_xfer[UMCT_BULK_DT_RD] = temp; 26602ac6454SAndrew Thompson 26702ac6454SAndrew Thompson sc->sc_xfer[UMCT_BULK_DT_RD]->callback = &umct_read_callback; 26802ac6454SAndrew Thompson sc->sc_xfer[UMCT_INTR_DT_RD]->callback = &umct_intr_callback; 26902ac6454SAndrew Thompson } 27002ac6454SAndrew Thompson sc->sc_obufsize = sc->sc_xfer[UMCT_BULK_DT_WR]->max_data_length; 27102ac6454SAndrew Thompson 27202ac6454SAndrew Thompson if (uaa->info.idProduct == USB_PRODUCT_MCT_SITECOM_USB232) { 27302ac6454SAndrew Thompson if (sc->sc_obufsize > 16) { 27402ac6454SAndrew Thompson sc->sc_obufsize = 16; 27502ac6454SAndrew Thompson } 27602ac6454SAndrew Thompson } 27702ac6454SAndrew Thompson error = usb2_com_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc, 278deefe583SAndrew Thompson &umct_callback, &sc->sc_mtx); 27902ac6454SAndrew Thompson if (error) { 28002ac6454SAndrew Thompson goto detach; 28102ac6454SAndrew Thompson } 28202ac6454SAndrew Thompson return (0); /* success */ 28302ac6454SAndrew Thompson 28402ac6454SAndrew Thompson detach: 28502ac6454SAndrew Thompson umct_detach(dev); 28602ac6454SAndrew Thompson return (ENXIO); /* failure */ 28702ac6454SAndrew Thompson } 28802ac6454SAndrew Thompson 28902ac6454SAndrew Thompson static int 29002ac6454SAndrew Thompson umct_detach(device_t dev) 29102ac6454SAndrew Thompson { 29202ac6454SAndrew Thompson struct umct_softc *sc = device_get_softc(dev); 29302ac6454SAndrew Thompson 29402ac6454SAndrew Thompson usb2_com_detach(&sc->sc_super_ucom, &sc->sc_ucom, 1); 29502ac6454SAndrew Thompson usb2_transfer_unsetup(sc->sc_xfer, UMCT_N_TRANSFER); 296deefe583SAndrew Thompson mtx_destroy(&sc->sc_mtx); 29702ac6454SAndrew Thompson 29802ac6454SAndrew Thompson return (0); 29902ac6454SAndrew Thompson } 30002ac6454SAndrew Thompson 30102ac6454SAndrew Thompson static void 30202ac6454SAndrew Thompson umct_cfg_do_request(struct umct_softc *sc, uint8_t request, 30302ac6454SAndrew Thompson uint16_t len, uint32_t value) 30402ac6454SAndrew Thompson { 305760bc48eSAndrew Thompson struct usb_device_request req; 306e0a69b51SAndrew Thompson usb_error_t err; 30702ac6454SAndrew Thompson uint8_t temp[4]; 30802ac6454SAndrew Thompson 30902ac6454SAndrew Thompson if (len > 4) 31002ac6454SAndrew Thompson len = 4; 31102ac6454SAndrew Thompson req.bmRequestType = UT_WRITE_VENDOR_DEVICE; 31202ac6454SAndrew Thompson req.bRequest = request; 31302ac6454SAndrew Thompson USETW(req.wValue, 0); 31402ac6454SAndrew Thompson req.wIndex[0] = sc->sc_iface_no; 31502ac6454SAndrew Thompson req.wIndex[1] = 0; 31602ac6454SAndrew Thompson USETW(req.wLength, len); 31702ac6454SAndrew Thompson USETDW(temp, value); 31802ac6454SAndrew Thompson 31902ac6454SAndrew Thompson err = usb2_com_cfg_do_request(sc->sc_udev, &sc->sc_ucom, 32002ac6454SAndrew Thompson &req, temp, 0, 1000); 32102ac6454SAndrew Thompson if (err) { 32202ac6454SAndrew Thompson DPRINTFN(0, "device request failed, err=%s " 32302ac6454SAndrew Thompson "(ignored)\n", usb2_errstr(err)); 32402ac6454SAndrew Thompson } 32502ac6454SAndrew Thompson return; 32602ac6454SAndrew Thompson } 32702ac6454SAndrew Thompson 32802ac6454SAndrew Thompson static void 329760bc48eSAndrew Thompson umct_intr_callback(struct usb_xfer *xfer) 33002ac6454SAndrew Thompson { 33102ac6454SAndrew Thompson struct umct_softc *sc = xfer->priv_sc; 33202ac6454SAndrew Thompson uint8_t buf[2]; 33302ac6454SAndrew Thompson 33402ac6454SAndrew Thompson switch (USB_GET_STATE(xfer)) { 33502ac6454SAndrew Thompson case USB_ST_TRANSFERRED: 33602ac6454SAndrew Thompson if (xfer->actlen < 2) { 33702ac6454SAndrew Thompson DPRINTF("too short message\n"); 33802ac6454SAndrew Thompson goto tr_setup; 33902ac6454SAndrew Thompson } 34002ac6454SAndrew Thompson usb2_copy_out(xfer->frbuffers, 0, buf, sizeof(buf)); 34102ac6454SAndrew Thompson 34202ac6454SAndrew Thompson sc->sc_msr = buf[0]; 34302ac6454SAndrew Thompson sc->sc_lsr = buf[1]; 34402ac6454SAndrew Thompson 34502ac6454SAndrew Thompson usb2_com_status_change(&sc->sc_ucom); 34602ac6454SAndrew Thompson 34702ac6454SAndrew Thompson case USB_ST_SETUP: 34802ac6454SAndrew Thompson tr_setup: 34902ac6454SAndrew Thompson xfer->frlengths[0] = xfer->max_data_length; 35002ac6454SAndrew Thompson usb2_start_hardware(xfer); 35102ac6454SAndrew Thompson return; 35202ac6454SAndrew Thompson 35302ac6454SAndrew Thompson default: /* Error */ 35402ac6454SAndrew Thompson if (xfer->error != USB_ERR_CANCELLED) { 35502ac6454SAndrew Thompson /* try to clear stall first */ 35602ac6454SAndrew Thompson xfer->flags.stall_pipe = 1; 35702ac6454SAndrew Thompson goto tr_setup; 35802ac6454SAndrew Thompson } 35902ac6454SAndrew Thompson return; 36002ac6454SAndrew Thompson } 36102ac6454SAndrew Thompson } 36202ac6454SAndrew Thompson 36302ac6454SAndrew Thompson static void 364760bc48eSAndrew Thompson umct_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) 36502ac6454SAndrew Thompson { 36602ac6454SAndrew Thompson struct umct_softc *sc = ucom->sc_parent; 36702ac6454SAndrew Thompson 36802ac6454SAndrew Thompson *lsr = sc->sc_lsr; 36902ac6454SAndrew Thompson *msr = sc->sc_msr; 37002ac6454SAndrew Thompson } 37102ac6454SAndrew Thompson 37202ac6454SAndrew Thompson static void 373760bc48eSAndrew Thompson umct_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff) 37402ac6454SAndrew Thompson { 37502ac6454SAndrew Thompson struct umct_softc *sc = ucom->sc_parent; 37602ac6454SAndrew Thompson 37702ac6454SAndrew Thompson if (onoff) 37802ac6454SAndrew Thompson sc->sc_lcr |= 0x40; 37902ac6454SAndrew Thompson else 38002ac6454SAndrew Thompson sc->sc_lcr &= ~0x40; 38102ac6454SAndrew Thompson 38202ac6454SAndrew Thompson umct_cfg_do_request(sc, UMCT_SET_LCR, UMCT_SET_LCR_SIZE, sc->sc_lcr); 38302ac6454SAndrew Thompson } 38402ac6454SAndrew Thompson 38502ac6454SAndrew Thompson static void 386760bc48eSAndrew Thompson umct_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) 38702ac6454SAndrew Thompson { 38802ac6454SAndrew Thompson struct umct_softc *sc = ucom->sc_parent; 38902ac6454SAndrew Thompson 39002ac6454SAndrew Thompson if (onoff) 39102ac6454SAndrew Thompson sc->sc_mcr |= 0x01; 39202ac6454SAndrew Thompson else 39302ac6454SAndrew Thompson sc->sc_mcr &= ~0x01; 39402ac6454SAndrew Thompson 39502ac6454SAndrew Thompson umct_cfg_do_request(sc, UMCT_SET_MCR, UMCT_SET_MCR_SIZE, sc->sc_mcr); 39602ac6454SAndrew Thompson } 39702ac6454SAndrew Thompson 39802ac6454SAndrew Thompson static void 399760bc48eSAndrew Thompson umct_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) 40002ac6454SAndrew Thompson { 40102ac6454SAndrew Thompson struct umct_softc *sc = ucom->sc_parent; 40202ac6454SAndrew Thompson 40302ac6454SAndrew Thompson if (onoff) 40402ac6454SAndrew Thompson sc->sc_mcr |= 0x02; 40502ac6454SAndrew Thompson else 40602ac6454SAndrew Thompson sc->sc_mcr &= ~0x02; 40702ac6454SAndrew Thompson 40802ac6454SAndrew Thompson umct_cfg_do_request(sc, UMCT_SET_MCR, UMCT_SET_MCR_SIZE, sc->sc_mcr); 40902ac6454SAndrew Thompson } 41002ac6454SAndrew Thompson 41102ac6454SAndrew Thompson static uint8_t 41202ac6454SAndrew Thompson umct_calc_baud(uint32_t baud) 41302ac6454SAndrew Thompson { 41402ac6454SAndrew Thompson switch (baud) { 41502ac6454SAndrew Thompson case B300:return (0x1); 41602ac6454SAndrew Thompson case B600: 41702ac6454SAndrew Thompson return (0x2); 41802ac6454SAndrew Thompson case B1200: 41902ac6454SAndrew Thompson return (0x3); 42002ac6454SAndrew Thompson case B2400: 42102ac6454SAndrew Thompson return (0x4); 42202ac6454SAndrew Thompson case B4800: 42302ac6454SAndrew Thompson return (0x6); 42402ac6454SAndrew Thompson case B9600: 42502ac6454SAndrew Thompson return (0x8); 42602ac6454SAndrew Thompson case B19200: 42702ac6454SAndrew Thompson return (0x9); 42802ac6454SAndrew Thompson case B38400: 42902ac6454SAndrew Thompson return (0xa); 43002ac6454SAndrew Thompson case B57600: 43102ac6454SAndrew Thompson return (0xb); 43202ac6454SAndrew Thompson case 115200: 43302ac6454SAndrew Thompson return (0xc); 43402ac6454SAndrew Thompson case B0: 43502ac6454SAndrew Thompson default: 43602ac6454SAndrew Thompson break; 43702ac6454SAndrew Thompson } 43802ac6454SAndrew Thompson return (0x0); 43902ac6454SAndrew Thompson } 44002ac6454SAndrew Thompson 44102ac6454SAndrew Thompson static int 442760bc48eSAndrew Thompson umct_pre_param(struct ucom_softc *ucom, struct termios *t) 44302ac6454SAndrew Thompson { 44402ac6454SAndrew Thompson return (0); /* we accept anything */ 44502ac6454SAndrew Thompson } 44602ac6454SAndrew Thompson 44702ac6454SAndrew Thompson static void 448760bc48eSAndrew Thompson umct_cfg_param(struct ucom_softc *ucom, struct termios *t) 44902ac6454SAndrew Thompson { 45002ac6454SAndrew Thompson struct umct_softc *sc = ucom->sc_parent; 45102ac6454SAndrew Thompson uint32_t value; 45202ac6454SAndrew Thompson 45302ac6454SAndrew Thompson value = umct_calc_baud(t->c_ospeed); 45402ac6454SAndrew Thompson umct_cfg_do_request(sc, UMCT_SET_BAUD, UMCT_SET_BAUD_SIZE, value); 45502ac6454SAndrew Thompson 45602ac6454SAndrew Thompson value = (sc->sc_lcr & 0x40); 45702ac6454SAndrew Thompson 45802ac6454SAndrew Thompson switch (t->c_cflag & CSIZE) { 45902ac6454SAndrew Thompson case CS5: 46002ac6454SAndrew Thompson value |= 0x0; 46102ac6454SAndrew Thompson break; 46202ac6454SAndrew Thompson case CS6: 46302ac6454SAndrew Thompson value |= 0x1; 46402ac6454SAndrew Thompson break; 46502ac6454SAndrew Thompson case CS7: 46602ac6454SAndrew Thompson value |= 0x2; 46702ac6454SAndrew Thompson break; 46802ac6454SAndrew Thompson default: 46902ac6454SAndrew Thompson case CS8: 47002ac6454SAndrew Thompson value |= 0x3; 47102ac6454SAndrew Thompson break; 47202ac6454SAndrew Thompson } 47302ac6454SAndrew Thompson 47402ac6454SAndrew Thompson value |= (t->c_cflag & CSTOPB) ? 0x4 : 0; 47502ac6454SAndrew Thompson if (t->c_cflag & PARENB) { 47602ac6454SAndrew Thompson value |= 0x8; 47702ac6454SAndrew Thompson value |= (t->c_cflag & PARODD) ? 0x0 : 0x10; 47802ac6454SAndrew Thompson } 47902ac6454SAndrew Thompson /* 48002ac6454SAndrew Thompson * XXX There doesn't seem to be a way to tell the device 48102ac6454SAndrew Thompson * to use flow control. 48202ac6454SAndrew Thompson */ 48302ac6454SAndrew Thompson 48402ac6454SAndrew Thompson sc->sc_lcr = value; 48502ac6454SAndrew Thompson umct_cfg_do_request(sc, UMCT_SET_LCR, UMCT_SET_LCR_SIZE, value); 48602ac6454SAndrew Thompson } 48702ac6454SAndrew Thompson 48802ac6454SAndrew Thompson static void 489760bc48eSAndrew Thompson umct_start_read(struct ucom_softc *ucom) 49002ac6454SAndrew Thompson { 49102ac6454SAndrew Thompson struct umct_softc *sc = ucom->sc_parent; 49202ac6454SAndrew Thompson 49302ac6454SAndrew Thompson /* start interrupt endpoint */ 49402ac6454SAndrew Thompson usb2_transfer_start(sc->sc_xfer[UMCT_INTR_DT_RD]); 49502ac6454SAndrew Thompson 49602ac6454SAndrew Thompson /* start read endpoint */ 49702ac6454SAndrew Thompson usb2_transfer_start(sc->sc_xfer[UMCT_BULK_DT_RD]); 49802ac6454SAndrew Thompson } 49902ac6454SAndrew Thompson 50002ac6454SAndrew Thompson static void 501760bc48eSAndrew Thompson umct_stop_read(struct ucom_softc *ucom) 50202ac6454SAndrew Thompson { 50302ac6454SAndrew Thompson struct umct_softc *sc = ucom->sc_parent; 50402ac6454SAndrew Thompson 50502ac6454SAndrew Thompson /* stop interrupt endpoint */ 50602ac6454SAndrew Thompson usb2_transfer_stop(sc->sc_xfer[UMCT_INTR_DT_RD]); 50702ac6454SAndrew Thompson 50802ac6454SAndrew Thompson /* stop read endpoint */ 50902ac6454SAndrew Thompson usb2_transfer_stop(sc->sc_xfer[UMCT_BULK_DT_RD]); 51002ac6454SAndrew Thompson } 51102ac6454SAndrew Thompson 51202ac6454SAndrew Thompson static void 513760bc48eSAndrew Thompson umct_start_write(struct ucom_softc *ucom) 51402ac6454SAndrew Thompson { 51502ac6454SAndrew Thompson struct umct_softc *sc = ucom->sc_parent; 51602ac6454SAndrew Thompson 51702ac6454SAndrew Thompson usb2_transfer_start(sc->sc_xfer[UMCT_BULK_DT_WR]); 51802ac6454SAndrew Thompson } 51902ac6454SAndrew Thompson 52002ac6454SAndrew Thompson static void 521760bc48eSAndrew Thompson umct_stop_write(struct ucom_softc *ucom) 52202ac6454SAndrew Thompson { 52302ac6454SAndrew Thompson struct umct_softc *sc = ucom->sc_parent; 52402ac6454SAndrew Thompson 52502ac6454SAndrew Thompson usb2_transfer_stop(sc->sc_xfer[UMCT_BULK_DT_WR]); 52602ac6454SAndrew Thompson } 52702ac6454SAndrew Thompson 52802ac6454SAndrew Thompson static void 529760bc48eSAndrew Thompson umct_write_callback(struct usb_xfer *xfer) 53002ac6454SAndrew Thompson { 53102ac6454SAndrew Thompson struct umct_softc *sc = xfer->priv_sc; 53202ac6454SAndrew Thompson uint32_t actlen; 53302ac6454SAndrew Thompson 53402ac6454SAndrew Thompson switch (USB_GET_STATE(xfer)) { 53502ac6454SAndrew Thompson case USB_ST_SETUP: 53602ac6454SAndrew Thompson case USB_ST_TRANSFERRED: 53702ac6454SAndrew Thompson tr_setup: 53802ac6454SAndrew Thompson if (usb2_com_get_data(&sc->sc_ucom, xfer->frbuffers, 0, 53902ac6454SAndrew Thompson sc->sc_obufsize, &actlen)) { 54002ac6454SAndrew Thompson 54102ac6454SAndrew Thompson xfer->frlengths[0] = actlen; 54202ac6454SAndrew Thompson usb2_start_hardware(xfer); 54302ac6454SAndrew Thompson } 54402ac6454SAndrew Thompson return; 54502ac6454SAndrew Thompson 54602ac6454SAndrew Thompson default: /* Error */ 54702ac6454SAndrew Thompson if (xfer->error != USB_ERR_CANCELLED) { 54802ac6454SAndrew Thompson /* try to clear stall first */ 54902ac6454SAndrew Thompson xfer->flags.stall_pipe = 1; 55002ac6454SAndrew Thompson goto tr_setup; 55102ac6454SAndrew Thompson } 55202ac6454SAndrew Thompson return; 55302ac6454SAndrew Thompson } 55402ac6454SAndrew Thompson } 55502ac6454SAndrew Thompson 55602ac6454SAndrew Thompson static void 557760bc48eSAndrew Thompson umct_read_callback(struct usb_xfer *xfer) 55802ac6454SAndrew Thompson { 55902ac6454SAndrew Thompson struct umct_softc *sc = xfer->priv_sc; 56002ac6454SAndrew Thompson 56102ac6454SAndrew Thompson switch (USB_GET_STATE(xfer)) { 56202ac6454SAndrew Thompson case USB_ST_TRANSFERRED: 56302ac6454SAndrew Thompson usb2_com_put_data(&sc->sc_ucom, xfer->frbuffers, 56402ac6454SAndrew Thompson 0, xfer->actlen); 56502ac6454SAndrew Thompson 56602ac6454SAndrew Thompson case USB_ST_SETUP: 56702ac6454SAndrew Thompson tr_setup: 56802ac6454SAndrew Thompson xfer->frlengths[0] = xfer->max_data_length; 56902ac6454SAndrew Thompson usb2_start_hardware(xfer); 57002ac6454SAndrew Thompson return; 57102ac6454SAndrew Thompson 57202ac6454SAndrew Thompson default: /* Error */ 57302ac6454SAndrew Thompson if (xfer->error != USB_ERR_CANCELLED) { 57402ac6454SAndrew Thompson /* try to clear stall first */ 57502ac6454SAndrew Thompson xfer->flags.stall_pipe = 1; 57602ac6454SAndrew Thompson goto tr_setup; 57702ac6454SAndrew Thompson } 57802ac6454SAndrew Thompson return; 57902ac6454SAndrew Thompson } 58002ac6454SAndrew Thompson } 581