From owner-p4-projects@FreeBSD.ORG Mon Jun 12 21:31:48 2006 Return-Path: X-Original-To: p4-projects@freebsd.org Delivered-To: p4-projects@freebsd.org Received: by hub.freebsd.org (Postfix, from userid 32767) id BA07C16A473; Mon, 12 Jun 2006 21:31:48 +0000 (UTC) X-Original-To: perforce@FreeBSD.org Delivered-To: perforce@FreeBSD.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7C35A16A41F for ; Mon, 12 Jun 2006 21:31:48 +0000 (UTC) (envelope-from hselasky@FreeBSD.org) Received: from repoman.freebsd.org (repoman.freebsd.org [216.136.204.115]) by mx1.FreeBSD.org (Postfix) with ESMTP id B75B543D49 for ; Mon, 12 Jun 2006 21:31:47 +0000 (GMT) (envelope-from hselasky@FreeBSD.org) Received: from repoman.freebsd.org (localhost [127.0.0.1]) by repoman.freebsd.org (8.13.6/8.13.6) with ESMTP id k5CLTVjP020668 for ; Mon, 12 Jun 2006 21:29:31 GMT (envelope-from hselasky@FreeBSD.org) Received: (from perforce@localhost) by repoman.freebsd.org (8.13.6/8.13.4/Submit) id k5CLTV86020664 for perforce@freebsd.org; Mon, 12 Jun 2006 21:29:31 GMT (envelope-from hselasky@FreeBSD.org) Date: Mon, 12 Jun 2006 21:29:31 GMT Message-Id: <200606122129.k5CLTV86020664@repoman.freebsd.org> X-Authentication-Warning: repoman.freebsd.org: perforce set sender to hselasky@FreeBSD.org using -f From: Hans Petter Selasky To: Perforce Change Reviews Cc: Subject: PERFORCE change 99084 for review X-BeenThere: p4-projects@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: p4 projects tree changes List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Jun 2006 21:31:49 -0000 http://perforce.freebsd.org/chv.cgi?CH=99084 Change 99084 by hselasky@hselasky_mini_itx on 2006/06/12 21:28:43 Finished reworking "ubsa.c". Again, alot of changes. Please test! Affected files ... .. //depot/projects/usb/src/sys/dev/usb/ubsa.c#4 edit Differences ... ==== //depot/projects/usb/src/sys/dev/usb/ubsa.c#4 (text+ko) ==== @@ -1,0 +1,1076 @@ +/*- + * 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. + */ + +/*- + * 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * 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 "usbdevs.h" + +__FBSDID("$FreeBSD: src/sys/dev/usb/ubsa.c $"); + +#ifdef USB_DEBUG +#define DPRINTF(n,fmt,...) \ + do { if (ubsa_debug > (n)) { \ + printf("%s: " fmt, __FUNCTION__,## __VA_ARGS__); } } while (0) + +static int ubsa_debug = 0; +SYSCTL_NODE(_hw_usb, OID_AUTO, ubsa, CTLFLAG_RW, 0, "USB ubsa"); +SYSCTL_INT(_hw_usb_ubsa, OID_AUTO, debug, CTLFLAG_RW, + &ubsa_debug, 0, "ubsa debug level"); +#else +#define DPRINTF(...) +#endif + +#define UBSA_MODVER 1 /* module version */ + +#define UBSA_N_TRANSFER 14 /* units */ +#define UBSA_BSIZE 64 /* bytes */ + +#define UBSA_CONFIG_INDEX 1 +#define UBSA_IFACE_INDEX 0 + +enum { + UBSA_REG_BAUDRATE, + UBSA_REG_STOP_BITS, + UBSA_REG_DATA_BITS, + UBSA_REG_PARITY, + UBSA_REG_DTR, + UBSA_REG_RTS, + UBSA_REG_BREAK, + UBSA_REG_FLOW_CTRL, + USBA_N_REG +}; + +#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 */ + +struct ubsa_softc { + struct ucom_softc sc_ucom; + struct usbd_memory_wait sc_mem_wait; + + struct usbd_xfer * sc_xfer[UBSA_N_TRANSFER]; + + u_int16_t sc_flag; +#define UBSA_FLAG_WRITE_STALL 0x0001 +#define UBSA_FLAG_READ_STALL 0x0002 +#define UBSA_FLAG_INTR_STALL 0x0004 + + u_int16_t sc_reg_flag; + u_int16_t sc_reg[USBA_N_REG]; + + u_int8_t sc_iface_no; /* interface number */ + u_int8_t sc_iface_index; /* interface index */ + u_int8_t sc_dtr; /* current DTR state */ + u_int8_t sc_rts; /* current RTS state */ + u_int8_t sc_lsr; /* local status register */ + u_int8_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_request(struct ubsa_softc *sc, u_int8_t index, u_int16_t value); + +static void +ubsa_set_dtr(struct ucom_softc *ucom, u_int8_t onoff); + +static void +ubsa_set_rts(struct ucom_softc *ucom, u_int8_t onoff); + +static void +ubsa_set_break(struct ucom_softc *ucom, u_int8_t onoff); + +static u_int8_t +ubsa_baudrate(struct ubsa_softc *sc, speed_t speed); + +static void +ubsa_parity(struct ubsa_softc *sc, tcflag_t cflag); + +static void +ubsa_databits(struct ubsa_softc *sc, tcflag_t cflag); + +static void +ubsa_stopbits(struct ubsa_softc *sc, tcflag_t cflag); + +static void +ubsa_flow(struct ubsa_softc *sc, tcflag_t cflag, tcflag_t iflag); + +static int +ubsa_param(struct ucom_softc *ucom, struct termios *ti); + +static int +ubsa_open(struct ucom_softc *ucom); + +static void +ubsa_close(struct ucom_softc *ucom); + +static void +ubsa_start_read(struct ucom_softc *ucom); + +static void +ubsa_stop_read(struct ucom_softc *ucom); + +static void +ubsa_start_write(struct ucom_softc *ucom); + +static void +ubsa_stop_write(struct ucom_softc *ucom); + +static void +ubsa_get_status(struct ucom_softc *ucom, u_int8_t *lsr, u_int8_t *msr); + +static void +ubsa_write_callback(struct usbd_xfer *xfer); + +static void +ubsa_write_clear_stall_callback(struct usbd_xfer *xfer); + +static void +ubsa_read_callback(struct usbd_xfer *xfer); + +static void +ubsa_read_clear_stall_callback(struct usbd_xfer *xfer); + +static void +ubsa_intr_callback(struct usbd_xfer *xfer); + +static void +ubsa_intr_clear_stall_callback(struct usbd_xfer *xfer); + +static void +ubsa_request_callback(struct usbd_xfer *xfer, u_int8_t index); + +static void +ubsa_set_baudrate_callback(struct usbd_xfer *xfer); + +static void +ubsa_set_stop_bits_callback(struct usbd_xfer *xfer); + +static void +ubsa_set_data_bits_callback(struct usbd_xfer *xfer); + +static void +ubsa_set_parity_callback(struct usbd_xfer *xfer); + +static void +ubsa_set_dtr_callback(struct usbd_xfer *xfer); + +static void +ubsa_set_rts_callback(struct usbd_xfer *xfer); + +static void +ubsa_set_break_callback(struct usbd_xfer *xfer); + +static void +ubsa_set_flow_ctrl_callback(struct usbd_xfer *xfer); + +static const struct usbd_config ubsa_config[UBSA_N_TRANSFER] = { + + [0] = { + .type = UE_BULK, + .endpoint = -1, /* any */ + .direction = UE_DIR_OUT, + .bufsize = UBSA_BSIZE, /* bytes */ + .flags = 0, + .callback = &ubsa_write_callback, + }, + + [1] = { + .type = UE_BULK, + .endpoint = -1, /* any */ + .direction = UE_DIR_IN, + .bufsize = UBSA_BSIZE, /* bytes */ + .flags = USBD_SHORT_XFER_OK, + .callback = &ubsa_read_callback, + }, + + [2] = { + .type = UE_CONTROL, + .endpoint = 0x00, /* Control pipe */ + .direction = -1, + .bufsize = sizeof(usb_device_request_t), + .callback = &ubsa_write_clear_stall_callback, + .timeout = 1000, /* 1 second */ + }, + + [3] = { + .type = UE_CONTROL, + .endpoint = 0x00, /* Control pipe */ + .direction = -1, + .bufsize = sizeof(usb_device_request_t), + .callback = &ubsa_read_clear_stall_callback, + .timeout = 1000, /* 1 second */ + }, + + [4] = { + .type = UE_INTERRUPT, + .endpoint = -1, /* any */ + .direction = UE_DIR_IN, + .flags = USBD_SHORT_XFER_OK, + .bufsize = 0, /* use wMaxPacketSize */ + .callback = &ubsa_intr_callback, + }, + + [5] = { + .type = UE_CONTROL, + .endpoint = 0x00, /* Control pipe */ + .direction = -1, + .bufsize = sizeof(usb_device_request_t), + .callback = &ubsa_intr_clear_stall_callback, + .timeout = 1000, /* 1 second */ + }, + + [6+UBSA_REG_BAUDRATE] = { + .type = UE_CONTROL, + .endpoint = 0x00, /* Control pipe */ + .direction = -1, + .bufsize = sizeof(usb_device_request_t), + .callback = &ubsa_set_baudrate_callback, + .timeout = 1000, /* 1 second */ + }, + + [6+UBSA_REG_STOP_BITS] = { + .type = UE_CONTROL, + .endpoint = 0x00, /* Control pipe */ + .direction = -1, + .bufsize = sizeof(usb_device_request_t), + .callback = &ubsa_set_stop_bits_callback, + .timeout = 1000, /* 1 second */ + }, + + [6+UBSA_REG_DATA_BITS] = { + .type = UE_CONTROL, + .endpoint = 0x00, /* Control pipe */ + .direction = -1, + .bufsize = sizeof(usb_device_request_t), + .callback = &ubsa_set_data_bits_callback, + .timeout = 1000, /* 1 second */ + }, + + [6+UBSA_REG_PARITY] = { + .type = UE_CONTROL, + .endpoint = 0x00, /* Control pipe */ + .direction = -1, + .bufsize = sizeof(usb_device_request_t), + .callback = &ubsa_set_parity_callback, + .timeout = 1000, /* 1 second */ + }, + + [6+UBSA_REG_DTR] = { + .type = UE_CONTROL, + .endpoint = 0x00, /* Control pipe */ + .direction = -1, + .bufsize = sizeof(usb_device_request_t), + .callback = &ubsa_set_dtr_callback, + .timeout = 1000, /* 1 second */ + }, + + [6+UBSA_REG_RTS] = { + .type = UE_CONTROL, + .endpoint = 0x00, /* Control pipe */ + .direction = -1, + .bufsize = sizeof(usb_device_request_t), + .callback = &ubsa_set_rts_callback, + .timeout = 1000, /* 1 second */ + }, + + [6+UBSA_REG_BREAK] = { + .type = UE_CONTROL, + .endpoint = 0x00, /* Control pipe */ + .direction = -1, + .bufsize = sizeof(usb_device_request_t), + .callback = &ubsa_set_break_callback, + .timeout = 1000, /* 1 second */ + }, + + [6+UBSA_REG_FLOW_CTRL] = { + .type = UE_CONTROL, + .endpoint = 0x00, /* Control pipe */ + .direction = -1, + .bufsize = sizeof(usb_device_request_t), + .callback = &ubsa_set_flow_ctrl_callback, + .timeout = 1000, /* 1 second */ + }, +}; + +static const struct ucom_callback ubsa_callback = { + .ucom_get_status = &ubsa_get_status, + .ucom_set_dtr = &ubsa_set_dtr, + .ucom_set_rts = &ubsa_set_rts, + .ucom_set_break = &ubsa_set_break, + .ucom_param = &ubsa_param, + .ucom_open = &ubsa_open, + .ucom_close = &ubsa_close, + .ucom_start_read = &ubsa_start_read, + .ucom_stop_read = &ubsa_stop_read, + .ucom_start_write = &ubsa_start_write, + .ucom_stop_write = &ubsa_stop_write, +}; + +static const struct ubsa_product { + u_int16_t vendor; + u_int16_t product; +} ubsa_products [] = { + /* BELKIN F5U103 */ + { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U103 }, + /* BELKIN F5U120 */ + { USB_VENDOR_BELKIN, USB_PRODUCT_BELKIN_F5U120 }, + /* GoHubs GO-COM232 */ + { USB_VENDOR_ETEK, USB_PRODUCT_ETEK_1COM }, + /* GoHubs GO-COM232 */ + { USB_VENDOR_GOHUBS, USB_PRODUCT_GOHUBS_GOCOM232 }, + /* Peracom */ + { USB_VENDOR_PERACOM, USB_PRODUCT_PERACOM_SERIAL1 }, + /* Vodafone */ + { USB_VENDOR_VODAFONE, USB_PRODUCT_VODAFONE_MC3G }, + { 0, 0 } +}; + +static device_method_t ubsa_methods[] = { + DEVMETHOD(device_probe, ubsa_probe), + DEVMETHOD(device_attach, ubsa_attach), + DEVMETHOD(device_detach, ubsa_detach), + { 0, 0 } +}; + +static driver_t ubsa_driver = { + .name = "ucom", + .methods = ubsa_methods, + .size = sizeof(struct ubsa_softc), +}; + +DRIVER_MODULE(ubsa, uhub, ubsa_driver, ucom_devclass, usbd_driver_load, 0); +MODULE_DEPEND(ubsa, usb, 1, 1, 1); +MODULE_DEPEND(ubsa, ucom, UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER); +MODULE_VERSION(ubsa, UBSA_MODVER); + +static int +ubsa_probe(device_t dev) +{ + struct usb_attach_arg *uaa = device_get_ivars(dev); + const struct ubsa_product *up = ubsa_products; + + if (uaa->iface) { + return UMATCH_NONE; + } + + while (up->vendor) { + if ((up->vendor == uaa->vendor) && + (up->product == uaa->product)) { + return UMATCH_VENDOR_PRODUCT; + } + } + + return UMATCH_NONE; +} + +static int +ubsa_attach(device_t dev) +{ + struct usb_attach_arg *uaa = device_get_ivars(dev); + struct ubsa_softc *sc = device_get_softc(dev); + struct usbd_interface *iface; + usb_interface_descriptor_t *id; + int error; + + DPRINTF(0, "sc=%p\n", sc); + + if (sc == NULL) { + return ENOMEM; + } + + usbd_set_desc(dev, uaa->device); + + /* configure the device */ + + error = usbd_set_config_index(uaa->device, UBSA_CONFIG_INDEX, 1); + + if (error) { + DPRINTF(0, "failed to set configuration, error=%s\n", + usbd_errstr(error)); + goto detach; + } + + iface = usbd_get_iface(uaa->device, UBSA_IFACE_INDEX); + + if (iface == NULL) { + DPRINTF(0, "no interface\n"); + goto detach; + } + + id = usbd_get_interface_descriptor(iface); + + if (id == NULL) { + DPRINTF(0, "no interface descriptor\n"); + goto detach; + } + + sc->sc_iface_no = id->bInterfaceNumber; + 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, &Giant, &(sc->sc_mem_wait)); + if (error) { + DPRINTF(0, "could not allocate all pipes\n"); + goto detach; + } + + sc->sc_dtr = -1; + sc->sc_rts = -1; + + sc->sc_ucom.sc_parent = sc; + sc->sc_ucom.sc_portno = 0; + sc->sc_ucom.sc_callback = &ubsa_callback; + + error = ucom_attach(&(sc->sc_ucom), dev); + + if (error) { + DPRINTF(0, "ucom_attach failed\n"); + goto detach; + } + + return 0; + + detach: + ubsa_detach(dev); + return ENXIO; +} + +static int +ubsa_detach(device_t dev) +{ + struct ubsa_softc *sc = device_get_softc(dev); + + DPRINTF(0, "sc=%p\n", sc); + + ucom_detach(&(sc->sc_ucom)); + + usbd_transfer_unsetup(sc->sc_xfer, UBSA_N_TRANSFER); + + usbd_transfer_drain(&(sc->sc_mem_wait), &Giant); + + return 0; +} + +static void +ubsa_request(struct ubsa_softc *sc, u_int8_t index, u_int16_t value) +{ + if (index >= USBA_N_REG) { + panic("invalid register index!"); + } + sc->sc_reg_flag |= (1 << index); + sc->sc_reg[index] = value; + usbd_transfer_start(sc->sc_xfer[6+index]); + return; +} + +static void +ubsa_set_dtr(struct ucom_softc *ucom, u_int8_t onoff) +{ + struct ubsa_softc *sc = ucom->sc_parent; + + DPRINTF(0, "onoff = %d\n", onoff); + + if (sc->sc_dtr != onoff) { + sc->sc_dtr = onoff; + ubsa_request(sc, UBSA_REG_DTR, onoff ? 1 : 0); + } + return; +} + +static void +ubsa_set_rts(struct ucom_softc *ucom, u_int8_t onoff) +{ + struct ubsa_softc *sc = ucom->sc_parent; + + DPRINTF(0, "onoff = %d\n", onoff); + + if (sc->sc_rts != onoff) { + sc->sc_rts = onoff; + ubsa_request(sc, UBSA_REG_RTS, onoff ? 1 : 0); + } + return; +} + +static void +ubsa_set_break(struct ucom_softc *ucom, u_int8_t onoff) +{ + struct ubsa_softc *sc = ucom->sc_parent; + + DPRINTF(0, "onoff = %d\n", onoff); + + ubsa_request(sc, UBSA_REG_BREAK, onoff ? 1 : 0); + return; +} + +static u_int8_t +ubsa_baudrate(struct ubsa_softc *sc, speed_t speed) +{ + u_int16_t value = 0; + + DPRINTF(0, "speed = %d\n", speed); + + switch(speed) { + case B0: + 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 / speed; + break; + + default: + DPRINTF(0, "unsupported baudrate\n"); + return 1; + }; + + if (speed == B0) { + ubsa_flow(sc, 0, 0); + ubsa_set_dtr(&(sc->sc_ucom), 0); + ubsa_set_rts(&(sc->sc_ucom), 0); + } else { + ubsa_request(sc, UBSA_REG_BAUDRATE, value); + } + return 0; +} + +static void +ubsa_parity(struct ubsa_softc *sc, tcflag_t cflag) +{ + u_int16_t value; + + DPRINTF(0, "flag = 0x%x\n", cflag); + + if (cflag & PARENB) + value = (cflag & PARODD) ? UBSA_PARITY_ODD : UBSA_PARITY_EVEN; + else + value = UBSA_PARITY_NONE; + + ubsa_request(sc, UBSA_REG_PARITY, value); + return; +} + +static void +ubsa_databits(struct ubsa_softc *sc, tcflag_t cflag) +{ + u_int16_t value; + + DPRINTF(0, "cflag = 0x%x\n", cflag); + + switch (cflag & CSIZE) { + case CS5: value = 0; break; + case CS6: value = 1; break; + case CS7: value = 2; break; + case CS8: value = 3; break; + default: + DPRINTF(0, "unsupported databits requested, " + "forcing default of 8\n"); + value = 3; + } + + ubsa_request(sc, UBSA_REG_DATA_BITS, value); + return; +} + +static void +ubsa_stopbits(struct ubsa_softc *sc, tcflag_t cflag) +{ + u_int16_t value; + + DPRINTF(0, "cflag = 0x%x\n", cflag); + + value = (cflag & CSTOPB) ? 1 : 0; + + ubsa_request(sc, UBSA_REG_STOP_BITS, value); + return; +} + +static void +ubsa_flow(struct ubsa_softc *sc, tcflag_t cflag, tcflag_t iflag) +{ + u_int16_t value; + + DPRINTF(0, "cflag = 0x%x, iflag = 0x%x\n", cflag, iflag); + + value = 0; + if (cflag & CRTSCTS) + value |= UBSA_FLOW_OCTS | UBSA_FLOW_IRTS; + if (iflag & (IXON|IXOFF)) + value |= UBSA_FLOW_OXON | UBSA_FLOW_IXON; + + ubsa_request(sc, UBSA_REG_FLOW_CTRL, value); + return; +} + +static int +ubsa_param(struct ucom_softc *ucom, struct termios *ti) +{ + struct ubsa_softc *sc = ucom->sc_parent; + + DPRINTF(0, "sc = %p\n", sc); + + if (ubsa_baudrate(sc, ti->c_ospeed)) { + return EIO; + } + ubsa_parity(sc, ti->c_cflag); + ubsa_databits(sc, ti->c_cflag); + ubsa_stopbits(sc, ti->c_cflag); + ubsa_flow(sc, ti->c_cflag, ti->c_iflag); + + return (0); +} + +static int +ubsa_open(struct ucom_softc *ucom) +{ + struct ubsa_softc *sc = ucom->sc_parent; + usbd_transfer_start(sc->sc_xfer[4]); + return 0; +} + +static void +ubsa_close(struct ucom_softc *ucom) +{ + struct ubsa_softc *sc = ucom->sc_parent; + usbd_transfer_stop(sc->sc_xfer[5]); + usbd_transfer_stop(sc->sc_xfer[4]); + return; +} + +static void +ubsa_start_read(struct ucom_softc *ucom) +{ + struct ubsa_softc *sc = ucom->sc_parent; + usbd_transfer_start(sc->sc_xfer[1]); + return; +} + +static void +ubsa_stop_read(struct ucom_softc *ucom) +{ + struct ubsa_softc *sc = ucom->sc_parent; + usbd_transfer_stop(sc->sc_xfer[3]); + usbd_transfer_stop(sc->sc_xfer[1]); + return; +} + +static void +ubsa_start_write(struct ucom_softc *ucom) +{ + struct ubsa_softc *sc = ucom->sc_parent; + usbd_transfer_start(sc->sc_xfer[0]); + return; +} + +static void +ubsa_stop_write(struct ucom_softc *ucom) +{ + struct ubsa_softc *sc = ucom->sc_parent; + usbd_transfer_stop(sc->sc_xfer[2]); + usbd_transfer_stop(sc->sc_xfer[0]); + return; +} + +static void +ubsa_get_status(struct ucom_softc *ucom, u_int8_t *lsr, u_int8_t *msr) +{ + struct ubsa_softc *sc = ucom->sc_parent; + + DPRINTF(0, "\n"); + + if (lsr) { + *lsr = sc->sc_lsr; + } + + if (msr) { + *msr = sc->sc_msr; + } + return; +} + +static void +ubsa_write_callback(struct usbd_xfer *xfer) +{ + struct ubsa_softc *sc = xfer->priv_sc; + u_int32_t actlen; + + USBD_CHECK_STATUS(xfer); +tr_error: + if (xfer->error != USBD_CANCELLED) { + sc->sc_flag |= UBSA_FLAG_WRITE_STALL; + usbd_transfer_start(sc->sc_xfer[2]); + } + return; + +tr_setup: +tr_transferred: + if (sc->sc_flag & UBSA_FLAG_WRITE_STALL) { + usbd_transfer_start(sc->sc_xfer[2]); + return; + } + + if(ucom_get_data(&(sc->sc_ucom), xfer->buffer, UBSA_BSIZE, &actlen)) { + + xfer->length = actlen; + + usbd_start_hardware(xfer); + } + return; +} + +static void +ubsa_write_clear_stall_callback(struct usbd_xfer *xfer) +{ + struct ubsa_softc *sc = xfer->priv_sc; + + USBD_CHECK_STATUS(xfer); + + tr_setup: + /* start clear stall */ + usbd_clear_stall_tr_setup(xfer, sc->sc_xfer[0]); + return; + + tr_transferred: + usbd_clear_stall_tr_transferred(xfer, sc->sc_xfer[0]); + sc->sc_flag &= ~UBSA_FLAG_WRITE_STALL; + usbd_transfer_start(sc->sc_xfer[0]); + return; + + tr_error: + sc->sc_flag &= ~UBSA_FLAG_WRITE_STALL; + DPRINTF(0, "clear stall failed, error=%s\n", + usbd_errstr(xfer->error)); + return; +} + +static void +ubsa_read_callback(struct usbd_xfer *xfer) +{ + struct ubsa_softc *sc = xfer->priv_sc; + + USBD_CHECK_STATUS(xfer); + + tr_error: + if (xfer->error != USBD_CANCELLED) { + sc->sc_flag |= UBSA_FLAG_READ_STALL; + usbd_transfer_start(sc->sc_xfer[3]); + } + return; + + tr_transferred: + ucom_put_data(&(sc->sc_ucom), xfer->buffer, xfer->actlen); + + tr_setup: + if (sc->sc_flag & UBSA_FLAG_READ_STALL) { + usbd_transfer_start(sc->sc_xfer[3]); + } else { + usbd_start_hardware(xfer); + } + return; +} + +static void +ubsa_read_clear_stall_callback(struct usbd_xfer *xfer) +{ + struct ubsa_softc *sc = xfer->priv_sc; + + USBD_CHECK_STATUS(xfer); + + tr_setup: + /* start clear stall */ + usbd_clear_stall_tr_setup(xfer, sc->sc_xfer[1]); + return; + + tr_transferred: + usbd_clear_stall_tr_transferred(xfer, sc->sc_xfer[1]); + sc->sc_flag &= ~UBSA_FLAG_READ_STALL; + usbd_transfer_start(sc->sc_xfer[1]); + return; + + tr_error: + sc->sc_flag &= ~UBSA_FLAG_READ_STALL; + DPRINTF(0, "clear stall failed, error=%s\n", + usbd_errstr(xfer->error)); + return; +} + +static void +ubsa_intr_callback(struct usbd_xfer *xfer) +{ + struct ubsa_softc *sc = xfer->priv_sc; + u_int8_t *buf = xfer->buffer; + + USBD_CHECK_STATUS(xfer); + + tr_error: + if (xfer->error != USBD_CANCELLED) { + sc->sc_flag |= UBSA_FLAG_INTR_STALL; + usbd_transfer_start(sc->sc_xfer[5]); + } + return; + + tr_transferred: + + if (xfer->actlen >= 4) { + + /* incidentally, Belkin adapter status bits match UART 16550 bits */ + sc->sc_lsr = buf[2]; + sc->sc_msr = buf[3]; + + DPRINTF(0, "lsr = 0x%02x, msr = 0x%02x\n", + sc->sc_lsr, sc->sc_msr); + + ucom_status_change(&(sc->sc_ucom)); + } else { + DPRINTF(0, "ignoring short packet, %d bytes\n", + xfer->actlen); + } + + tr_setup: + if (sc->sc_flag & UBSA_FLAG_INTR_STALL) { + usbd_transfer_start(sc->sc_xfer[5]); + } else { + usbd_start_hardware(xfer); + } + return; +} + +static void +ubsa_intr_clear_stall_callback(struct usbd_xfer *xfer) +{ + struct ubsa_softc *sc = xfer->priv_sc; + + USBD_CHECK_STATUS(xfer); + + tr_setup: + /* start clear stall */ + usbd_clear_stall_tr_setup(xfer, sc->sc_xfer[4]); + return; + + tr_transferred: + usbd_clear_stall_tr_transferred(xfer, sc->sc_xfer[4]); + sc->sc_flag &= ~UBSA_FLAG_INTR_STALL; + usbd_transfer_start(sc->sc_xfer[4]); + return; + + tr_error: + sc->sc_flag &= ~UBSA_FLAG_INTR_STALL; + DPRINTF(0, "clear stall failed, error=%s\n", + usbd_errstr(xfer->error)); + return; +} + +static void +ubsa_request_callback(struct usbd_xfer *xfer, u_int8_t index) +{ + static const u_int8_t mapping[USBA_N_REG] = { + [UBSA_REG_BAUDRATE] = 0x00, + [UBSA_REG_STOP_BITS] = 0x01, + [UBSA_REG_DATA_BITS] = 0x02, >>> TRUNCATED FOR MAIL (1000 lines) <<<