/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2002, Alexander Kabaev . * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include /*- * Copyright (c) 2001 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Ichiro FUKUHARA (ichiro@ichiro.org). * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "usbdevs.h" #define USB_DEBUG_VAR ubsa_debug #include #include #include #ifdef USB_DEBUG static int ubsa_debug = 0; static SYSCTL_NODE(_hw_usb, OID_AUTO, ubsa, CTLFLAG_RW | CTLFLAG_MPSAFE, 0, "USB ubsa"); SYSCTL_INT(_hw_usb_ubsa, OID_AUTO, debug, CTLFLAG_RWTUN, &ubsa_debug, 0, "ubsa debug level"); #endif #define UBSA_BSIZE 1024 /* bytes */ #define UBSA_CONFIG_INDEX 0 #define UBSA_IFACE_INDEX 0 #define UBSA_REG_BAUDRATE 0x00 #define UBSA_REG_STOP_BITS 0x01 #define UBSA_REG_DATA_BITS 0x02 #define UBSA_REG_PARITY 0x03 #define UBSA_REG_DTR 0x0A #define UBSA_REG_RTS 0x0B #define UBSA_REG_BREAK 0x0C #define UBSA_REG_FLOW_CTRL 0x10 #define UBSA_PARITY_NONE 0x00 #define UBSA_PARITY_EVEN 0x01 #define UBSA_PARITY_ODD 0x02 #define UBSA_PARITY_MARK 0x03 #define UBSA_PARITY_SPACE 0x04 #define UBSA_FLOW_NONE 0x0000 #define UBSA_FLOW_OCTS 0x0001 #define UBSA_FLOW_ODSR 0x0002 #define UBSA_FLOW_IDSR 0x0004 #define UBSA_FLOW_IDTR 0x0008 #define UBSA_FLOW_IRTS 0x0010 #define UBSA_FLOW_ORTS 0x0020 #define UBSA_FLOW_UNKNOWN 0x0040 #define UBSA_FLOW_OXON 0x0080 #define UBSA_FLOW_IXON 0x0100 /* line status register */ #define UBSA_LSR_TSRE 0x40 /* Transmitter empty: byte sent */ #define UBSA_LSR_TXRDY 0x20 /* Transmitter buffer empty */ #define UBSA_LSR_BI 0x10 /* Break detected */ #define UBSA_LSR_FE 0x08 /* Framing error: bad stop bit */ #define UBSA_LSR_PE 0x04 /* Parity error */ #define UBSA_LSR_OE 0x02 /* Overrun, lost incoming byte */ #define UBSA_LSR_RXRDY 0x01 /* Byte ready in Receive Buffer */ #define UBSA_LSR_RCV_MASK 0x1f /* Mask for incoming data or error */ /* modem status register */ /* All deltas are from the last read of the MSR. */ #define UBSA_MSR_DCD 0x80 /* Current Data Carrier Detect */ #define UBSA_MSR_RI 0x40 /* Current Ring Indicator */ #define UBSA_MSR_DSR 0x20 /* Current Data Set Ready */ #define UBSA_MSR_CTS 0x10 /* Current Clear to Send */ #define UBSA_MSR_DDCD 0x08 /* DCD has changed state */ #define UBSA_MSR_TERI 0x04 /* RI has toggled low to high */ #define UBSA_MSR_DDSR 0x02 /* DSR has changed state */ #define UBSA_MSR_DCTS 0x01 /* CTS has changed state */ enum { UBSA_BULK_DT_WR, UBSA_BULK_DT_RD, UBSA_INTR_DT_RD, UBSA_N_TRANSFER, }; struct ubsa_softc { struct ucom_super_softc sc_super_ucom; struct ucom_softc sc_ucom; struct usb_xfer *sc_xfer[UBSA_N_TRANSFER]; struct usb_device *sc_udev; struct mtx sc_mtx; uint8_t sc_iface_no; /* interface number */ uint8_t sc_iface_index; /* interface index */ uint8_t sc_lsr; /* local status register */ uint8_t sc_msr; /* UBSA status register */ }; static device_probe_t ubsa_probe; static device_attach_t ubsa_attach; static device_detach_t ubsa_detach; static void ubsa_free_softc(struct ubsa_softc *); static usb_callback_t ubsa_write_callback; static usb_callback_t ubsa_read_callback; static usb_callback_t ubsa_intr_callback; static void ubsa_cfg_request(struct ubsa_softc *, uint8_t, uint16_t); static void ubsa_free(struct ucom_softc *); static void ubsa_cfg_set_dtr(struct ucom_softc *, uint8_t); static void ubsa_cfg_set_rts(struct ucom_softc *, uint8_t); static void ubsa_cfg_set_break(struct ucom_softc *, uint8_t); static int ubsa_pre_param(struct ucom_softc *, struct termios *); static void ubsa_cfg_param(struct ucom_softc *, struct termios *); static void ubsa_start_read(struct ucom_softc *); static void ubsa_stop_read(struct ucom_softc *); static void ubsa_start_write(struct ucom_softc *); static void ubsa_stop_write(struct ucom_softc *); static void ubsa_cfg_get_status(struct ucom_softc *, uint8_t *, uint8_t *); static void ubsa_poll(struct ucom_softc *ucom); static const struct usb_config ubsa_config[UBSA_N_TRANSFER] = { [UBSA_BULK_DT_WR] = { .type = UE_BULK, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_OUT, .bufsize = UBSA_BSIZE, /* bytes */ .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, .callback = &ubsa_write_callback, }, [UBSA_BULK_DT_RD] = { .type = UE_BULK, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_IN, .bufsize = UBSA_BSIZE, /* bytes */ .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, .callback = &ubsa_read_callback, }, [UBSA_INTR_DT_RD] = { .type = UE_INTERRUPT, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_IN, .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, .bufsize = 0, /* use wMaxPacketSize */ .callback = &ubsa_intr_callback, }, }; static const struct ucom_callback ubsa_callback = { .ucom_cfg_get_status = &ubsa_cfg_get_status, .ucom_cfg_set_dtr = &ubsa_cfg_set_dtr, .ucom_cfg_set_rts = &ubsa_cfg_set_rts, .ucom_cfg_set_break = &ubsa_cfg_set_break, .ucom_cfg_param = &ubsa_cfg_param, .ucom_pre_param = &ubsa_pre_param, .ucom_start_read = &ubsa_start_read, .ucom_stop_read = &ubsa_stop_read, .ucom_start_write = &ubsa_start_write, .ucom_stop_write = &ubsa_stop_write, .ucom_poll = &ubsa_poll, .ucom_free = &ubsa_free, }; static const STRUCT_USB_HOST_ID ubsa_devs[] = { /* AnyData ADU-500A */ {USB_VPI(USB_VENDOR_ANYDATA, USB_PRODUCT_ANYDATA_ADU_500A, 0)}, /* AnyData ADU-E100A/H */ {USB_VPI(USB_VENDOR_ANYDATA, USB_PRODUCT_ANYDATA_ADU_E100X, 0)}, /* Axesstel MV100H */ {USB_VPI(USB_VENDOR_AXESSTEL, USB_PRODUCT_AXESSTEL_DATAMODEM, 0)}, /* BELKIN F5U103 */ {USB_VPI(USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U103, 0)}, /* BELKIN F5U120 */ {USB_VPI(USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U120, 0)}, /* GoHubs GO-COM232 */ {USB_VPI(USB_VENDOR_ETEK, USB_PRODUCT_ETEK_1COM, 0)}, /* GoHubs GO-COM232 */ {USB_VPI(USB_VENDOR_GOHUBS, USB_PRODUCT_GOHUBS_GOCOM232, 0)}, /* Peracom */ {USB_VPI(USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_SERIAL1, 0)}, }; static device_method_t ubsa_methods[] = { DEVMETHOD(device_probe, ubsa_probe), DEVMETHOD(device_attach, ubsa_attach), DEVMETHOD(device_detach, ubsa_detach), DEVMETHOD_END }; static devclass_t ubsa_devclass; static driver_t ubsa_driver = { .name = "ubsa", .methods = ubsa_methods, .size = sizeof(struct ubsa_softc), }; DRIVER_MODULE(ubsa, uhub, ubsa_driver, ubsa_devclass, NULL, 0); MODULE_DEPEND(ubsa, ucom, 1, 1, 1); MODULE_DEPEND(ubsa, usb, 1, 1, 1); MODULE_VERSION(ubsa, 1); USB_PNP_HOST_INFO(ubsa_devs); static int ubsa_probe(device_t dev) { struct usb_attach_arg *uaa = device_get_ivars(dev); if (uaa->usb_mode != USB_MODE_HOST) { return (ENXIO); } if (uaa->info.bConfigIndex != UBSA_CONFIG_INDEX) { return (ENXIO); } if (uaa->info.bIfaceIndex != UBSA_IFACE_INDEX) { return (ENXIO); } return (usbd_lookup_id_by_uaa(ubsa_devs, sizeof(ubsa_devs), uaa)); } static int ubsa_attach(device_t dev) { struct usb_attach_arg *uaa = device_get_ivars(dev); struct ubsa_softc *sc = device_get_softc(dev); int error; DPRINTF("sc=%p\n", sc); device_set_usb_desc(dev); mtx_init(&sc->sc_mtx, "ubsa", NULL, MTX_DEF); ucom_ref(&sc->sc_super_ucom); sc->sc_udev = uaa->device; sc->sc_iface_no = uaa->info.bIfaceNum; sc->sc_iface_index = UBSA_IFACE_INDEX; error = usbd_transfer_setup(uaa->device, &sc->sc_iface_index, sc->sc_xfer, ubsa_config, UBSA_N_TRANSFER, sc, &sc->sc_mtx); if (error) { DPRINTF("could not allocate all pipes\n"); goto detach; } /* clear stall at first run */ mtx_lock(&sc->sc_mtx); usbd_xfer_set_stall(sc->sc_xfer[UBSA_BULK_DT_WR]); usbd_xfer_set_stall(sc->sc_xfer[UBSA_BULK_DT_RD]); mtx_unlock(&sc->sc_mtx); error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc, &ubsa_callback, &sc->sc_mtx); if (error) { DPRINTF("ucom_attach failed\n"); goto detach; } ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev); return (0); detach: ubsa_detach(dev); return (ENXIO); } static int ubsa_detach(device_t dev) { struct ubsa_softc *sc = device_get_softc(dev); DPRINTF("sc=%p\n", sc); ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom); usbd_transfer_unsetup(sc->sc_xfer, UBSA_N_TRANSFER); device_claim_softc(dev); ubsa_free_softc(sc); return (0); } UCOM_UNLOAD_DRAIN(ubsa); static void ubsa_free_softc(struct ubsa_softc *sc) { if (ucom_unref(&sc->sc_super_ucom)) { mtx_destroy(&sc->sc_mtx); device_free_softc(sc); } } static void ubsa_free(struct ucom_softc *ucom) { ubsa_free_softc(ucom->sc_parent); } static void ubsa_cfg_request(struct ubsa_softc *sc, uint8_t index, uint16_t value) { struct usb_device_request req; usb_error_t err; req.bmRequestType = UT_WRITE_VENDOR_DEVICE; req.bRequest = index; USETW(req.wValue, value); req.wIndex[0] = sc->sc_iface_no; req.wIndex[1] = 0; USETW(req.wLength, 0); err = ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, &req, NULL, 0, 1000); if (err) { DPRINTFN(0, "device request failed, err=%s " "(ignored)\n", usbd_errstr(err)); } } static void ubsa_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) { struct ubsa_softc *sc = ucom->sc_parent; DPRINTF("onoff = %d\n", onoff); ubsa_cfg_request(sc, UBSA_REG_DTR, onoff ? 1 : 0); } static void ubsa_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) { struct ubsa_softc *sc = ucom->sc_parent; DPRINTF("onoff = %d\n", onoff); ubsa_cfg_request(sc, UBSA_REG_RTS, onoff ? 1 : 0); } static void ubsa_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff) { struct ubsa_softc *sc = ucom->sc_parent; DPRINTF("onoff = %d\n", onoff); ubsa_cfg_request(sc, UBSA_REG_BREAK, onoff ? 1 : 0); } static int ubsa_pre_param(struct ucom_softc *ucom, struct termios *t) { DPRINTF("sc = %p\n", ucom->sc_parent); switch (t->c_ospeed) { case B0: case B300: case B600: case B1200: case B2400: case B4800: case B9600: case B19200: case B38400: case B57600: case B115200: case B230400: break; default: return (EINVAL); } return (0); } static void ubsa_cfg_param(struct ucom_softc *ucom, struct termios *t) { struct ubsa_softc *sc = ucom->sc_parent; uint16_t value = 0; DPRINTF("sc = %p\n", sc); switch (t->c_ospeed) { case B0: ubsa_cfg_request(sc, UBSA_REG_FLOW_CTRL, 0); ubsa_cfg_set_dtr(&sc->sc_ucom, 0); ubsa_cfg_set_rts(&sc->sc_ucom, 0); break; case B300: case B600: case B1200: case B2400: case B4800: case B9600: case B19200: case B38400: case B57600: case B115200: case B230400: value = B230400 / t->c_ospeed; ubsa_cfg_request(sc, UBSA_REG_BAUDRATE, value); break; default: return; } if (t->c_cflag & PARENB) value = (t->c_cflag & PARODD) ? UBSA_PARITY_ODD : UBSA_PARITY_EVEN; else value = UBSA_PARITY_NONE; ubsa_cfg_request(sc, UBSA_REG_PARITY, value); switch (t->c_cflag & CSIZE) { case CS5: value = 0; break; case CS6: value = 1; break; case CS7: value = 2; break; default: case CS8: value = 3; break; } ubsa_cfg_request(sc, UBSA_REG_DATA_BITS, value); value = (t->c_cflag & CSTOPB) ? 1 : 0; ubsa_cfg_request(sc, UBSA_REG_STOP_BITS, value); value = 0; if (t->c_cflag & CRTSCTS) value |= UBSA_FLOW_OCTS | UBSA_FLOW_IRTS; if (t->c_iflag & (IXON | IXOFF)) value |= UBSA_FLOW_OXON | UBSA_FLOW_IXON; ubsa_cfg_request(sc, UBSA_REG_FLOW_CTRL, value); } static void ubsa_start_read(struct ucom_softc *ucom) { struct ubsa_softc *sc = ucom->sc_parent; /* start interrupt endpoint */ usbd_transfer_start(sc->sc_xfer[UBSA_INTR_DT_RD]); /* start read endpoint */ usbd_transfer_start(sc->sc_xfer[UBSA_BULK_DT_RD]); } static void ubsa_stop_read(struct ucom_softc *ucom) { struct ubsa_softc *sc = ucom->sc_parent; /* stop interrupt endpoint */ usbd_transfer_stop(sc->sc_xfer[UBSA_INTR_DT_RD]); /* stop read endpoint */ usbd_transfer_stop(sc->sc_xfer[UBSA_BULK_DT_RD]); } static void ubsa_start_write(struct ucom_softc *ucom) { struct ubsa_softc *sc = ucom->sc_parent; usbd_transfer_start(sc->sc_xfer[UBSA_BULK_DT_WR]); } static void ubsa_stop_write(struct ucom_softc *ucom) { struct ubsa_softc *sc = ucom->sc_parent; usbd_transfer_stop(sc->sc_xfer[UBSA_BULK_DT_WR]); } static void ubsa_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) { struct ubsa_softc *sc = ucom->sc_parent; DPRINTF("\n"); *lsr = sc->sc_lsr; *msr = sc->sc_msr; } static void ubsa_write_callback(struct usb_xfer *xfer, usb_error_t error) { struct ubsa_softc *sc = usbd_xfer_softc(xfer); struct usb_page_cache *pc; uint32_t actlen; switch (USB_GET_STATE(xfer)) { case USB_ST_SETUP: case USB_ST_TRANSFERRED: tr_setup: pc = usbd_xfer_get_frame(xfer, 0); if (ucom_get_data(&sc->sc_ucom, pc, 0, UBSA_BSIZE, &actlen)) { usbd_xfer_set_frame_len(xfer, 0, actlen); usbd_transfer_submit(xfer); } return; default: /* Error */ if (error != USB_ERR_CANCELLED) { /* try to clear stall first */ usbd_xfer_set_stall(xfer); goto tr_setup; } return; } } static void ubsa_read_callback(struct usb_xfer *xfer, usb_error_t error) { struct ubsa_softc *sc = usbd_xfer_softc(xfer); struct usb_page_cache *pc; int actlen; usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: pc = usbd_xfer_get_frame(xfer, 0); ucom_put_data(&sc->sc_ucom, pc, 0, actlen); case USB_ST_SETUP: tr_setup: usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); usbd_transfer_submit(xfer); return; default: /* Error */ if (error != USB_ERR_CANCELLED) { /* try to clear stall first */ usbd_xfer_set_stall(xfer); goto tr_setup; } return; } } static void ubsa_intr_callback(struct usb_xfer *xfer, usb_error_t error) { struct ubsa_softc *sc = usbd_xfer_softc(xfer); struct usb_page_cache *pc; uint8_t buf[4]; int actlen; usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: if (actlen >= (int)sizeof(buf)) { pc = usbd_xfer_get_frame(xfer, 0); usbd_copy_out(pc, 0, buf, sizeof(buf)); /* * MSR bits need translation from ns16550 to SER_* values. * LSR bits are ns16550 in hardware and ucom. */ sc->sc_msr = 0; if (buf[3] & UBSA_MSR_CTS) sc->sc_msr |= SER_CTS; if (buf[3] & UBSA_MSR_DCD) sc->sc_msr |= SER_DCD; if (buf[3] & UBSA_MSR_RI) sc->sc_msr |= SER_RI; if (buf[3] & UBSA_MSR_DSR) sc->sc_msr |= SER_DSR; sc->sc_lsr = buf[2]; DPRINTF("lsr = 0x%02x, msr = 0x%02x\n", sc->sc_lsr, sc->sc_msr); ucom_status_change(&sc->sc_ucom); } else { DPRINTF("ignoring short packet, %d bytes\n", actlen); } /* FALLTHROUGH */ case USB_ST_SETUP: tr_setup: usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); usbd_transfer_submit(xfer); return; default: /* Error */ if (error != USB_ERR_CANCELLED) { /* try to clear stall first */ usbd_xfer_set_stall(xfer); goto tr_setup; } return; } } static void ubsa_poll(struct ucom_softc *ucom) { struct ubsa_softc *sc = ucom->sc_parent; usbd_transfer_poll(sc->sc_xfer, UBSA_N_TRANSFER); }