diff options
Diffstat (limited to 'sys/legacy/dev/usb/uvscom.c')
| -rw-r--r-- | sys/legacy/dev/usb/uvscom.c | 906 |
1 files changed, 906 insertions, 0 deletions
diff --git a/sys/legacy/dev/usb/uvscom.c b/sys/legacy/dev/usb/uvscom.c new file mode 100644 index 0000000..ac311f7 --- /dev/null +++ b/sys/legacy/dev/usb/uvscom.c @@ -0,0 +1,906 @@ +/* $NetBSD: usb/uvscom.c,v 1.1 2002/03/19 15:08:42 augustss Exp $ */ +/*- + * Copyright (c) 2001-2003, 2005 Shunsuke Akiyama <akiyama@jp.FreeBSD.org>. + * 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 <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +/* + * uvscom: SUNTAC Slipper U VS-10U driver. + * Slipper U is a PC Card to USB converter for data communication card + * adapter. It supports DDI Pocket's Air H" C@rd, C@rd H" 64, NTT's P-in, + * P-in m@ater and various data communication card adapters. + */ + +#include "opt_uvscom.h" + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/kernel.h> +#include <sys/malloc.h> +#include <sys/module.h> +#include <sys/fcntl.h> +#include <sys/conf.h> +#include <sys/serial.h> +#include <sys/tty.h> +#include <sys/file.h> +#include <sys/bus.h> +#include <sys/ioccom.h> +#include <sys/selinfo.h> +#include <sys/proc.h> +#include <sys/poll.h> +#include <sys/sysctl.h> +#include <sys/taskqueue.h> + +#include <dev/usb/usb.h> +#include <dev/usb/usbcdc.h> + +#include <dev/usb/usbdi.h> +#include <dev/usb/usbdi_util.h> +#include "usbdevs.h" +#include <dev/usb/usb_quirks.h> + +#include <dev/usb/ucomvar.h> + +SYSCTL_NODE(_hw_usb, OID_AUTO, uvscom, CTLFLAG_RW, 0, "USB uvscom"); +#ifdef USB_DEBUG +static int uvscomdebug = 0; +SYSCTL_INT(_hw_usb_uvscom, OID_AUTO, debug, CTLFLAG_RW, + &uvscomdebug, 0, "uvscom debug level"); + +#define DPRINTFN(n, x) do { \ + if (uvscomdebug > (n)) \ + printf x; \ + } while (0) +#else +#define DPRINTFN(n, x) +#endif +#define DPRINTF(x) DPRINTFN(0, x) + +#define UVSCOM_MODVER 1 /* module version */ + +#define UVSCOM_CONFIG_INDEX 0 +#define UVSCOM_IFACE_INDEX 0 + +#ifndef UVSCOM_INTR_INTERVAL +#define UVSCOM_INTR_INTERVAL 100 /* mS */ +#endif + +#define UVSCOM_UNIT_WAIT 5 + +/* Request */ +#define UVSCOM_SET_SPEED 0x10 +#define UVSCOM_LINE_CTL 0x11 +#define UVSCOM_SET_PARAM 0x12 +#define UVSCOM_READ_STATUS 0xd0 +#define UVSCOM_SHUTDOWN 0xe0 + +/* UVSCOM_SET_SPEED parameters */ +#define UVSCOM_SPEED_150BPS 0x00 +#define UVSCOM_SPEED_300BPS 0x01 +#define UVSCOM_SPEED_600BPS 0x02 +#define UVSCOM_SPEED_1200BPS 0x03 +#define UVSCOM_SPEED_2400BPS 0x04 +#define UVSCOM_SPEED_4800BPS 0x05 +#define UVSCOM_SPEED_9600BPS 0x06 +#define UVSCOM_SPEED_19200BPS 0x07 +#define UVSCOM_SPEED_38400BPS 0x08 +#define UVSCOM_SPEED_57600BPS 0x09 +#define UVSCOM_SPEED_115200BPS 0x0a + +/* UVSCOM_LINE_CTL parameters */ +#define UVSCOM_BREAK 0x40 +#define UVSCOM_RTS 0x02 +#define UVSCOM_DTR 0x01 +#define UVSCOM_LINE_INIT 0x08 + +/* UVSCOM_SET_PARAM parameters */ +#define UVSCOM_DATA_MASK 0x03 +#define UVSCOM_DATA_BIT_8 0x03 +#define UVSCOM_DATA_BIT_7 0x02 +#define UVSCOM_DATA_BIT_6 0x01 +#define UVSCOM_DATA_BIT_5 0x00 + +#define UVSCOM_STOP_MASK 0x04 +#define UVSCOM_STOP_BIT_2 0x04 +#define UVSCOM_STOP_BIT_1 0x00 + +#define UVSCOM_PARITY_MASK 0x18 +#define UVSCOM_PARITY_EVEN 0x18 +#if 0 +#define UVSCOM_PARITY_UNK 0x10 +#endif +#define UVSCOM_PARITY_ODD 0x08 +#define UVSCOM_PARITY_NONE 0x00 + +/* Status bits */ +#define UVSCOM_TXRDY 0x04 +#define UVSCOM_RXRDY 0x01 + +#define UVSCOM_DCD 0x08 +#define UVSCOM_NOCARD 0x04 +#define UVSCOM_DSR 0x02 +#define UVSCOM_CTS 0x01 +#define UVSCOM_USTAT_MASK (UVSCOM_NOCARD | UVSCOM_DSR | UVSCOM_CTS) + +struct uvscom_softc { + struct ucom_softc sc_ucom; + + int sc_iface_number;/* interface number */ + + usbd_interface_handle sc_intr_iface; /* interrupt interface */ + int sc_intr_number; /* interrupt number */ + usbd_pipe_handle sc_intr_pipe; /* interrupt pipe */ + u_char *sc_intr_buf; /* interrupt buffer */ + int sc_isize; + + u_char sc_dtr; /* current DTR state */ + u_char sc_rts; /* current RTS state */ + + u_char sc_lsr; /* Local status register */ + u_char sc_msr; /* uvscom status register */ + + uint16_t sc_lcr; /* Line control */ + u_char sc_usr; /* unit status */ + + struct task sc_task; +}; + +/* + * These are the maximum number of bytes transferred per frame. + * The output buffer size cannot be increased due to the size encoding. + */ +#define UVSCOMIBUFSIZE 512 +#define UVSCOMOBUFSIZE 64 + +#ifndef UVSCOM_DEFAULT_OPKTSIZE +#define UVSCOM_DEFAULT_OPKTSIZE 8 +#endif + +static usbd_status uvscom_shutdown(struct uvscom_softc *); +static usbd_status uvscom_reset(struct uvscom_softc *); +static usbd_status uvscom_set_line_coding(struct uvscom_softc *, + uint16_t, uint16_t); +static usbd_status uvscom_set_line(struct uvscom_softc *, uint16_t); +static usbd_status uvscom_set_crtscts(struct uvscom_softc *); +static void uvscom_get_status(void *, int, u_char *, u_char *); +static void uvscom_dtr(struct uvscom_softc *, int); +static void uvscom_rts(struct uvscom_softc *, int); +static void uvscom_break(struct uvscom_softc *, int); + +static void uvscom_set(void *, int, int, int); +static void uvscom_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); +static int uvscom_param(void *, int, struct termios *); +static int uvscom_open(void *, int); +static void uvscom_close(void *, int); +static void uvscom_notify(void *, int); + +struct ucom_callback uvscom_callback = { + uvscom_get_status, + uvscom_set, + uvscom_param, + NULL, + uvscom_open, + uvscom_close, + NULL, + NULL +}; + +static const struct usb_devno uvscom_devs [] = { + /* SUNTAC U-Cable type A4 */ + { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4 }, + /* SUNTAC U-Cable type D2 */ + { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L }, + /* SUNTAC Ir-Trinity */ + { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U }, + /* SUNTAC U-Cable type P1 */ + { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1 }, + /* SUNTAC Slipper U */ + { USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U }, +}; +#define uvscom_lookup(v, p) usb_lookup(uvscom_devs, v, p) + +static device_probe_t uvscom_match; +static device_attach_t uvscom_attach; +static device_detach_t uvscom_detach; + +static device_method_t uvscom_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, uvscom_match), + DEVMETHOD(device_attach, uvscom_attach), + DEVMETHOD(device_detach, uvscom_detach), + { 0, 0 } +}; + +static driver_t uvscom_driver = { + "ucom", + uvscom_methods, + sizeof (struct uvscom_softc) +}; + +DRIVER_MODULE(uvscom, uhub, uvscom_driver, ucom_devclass, usbd_driver_load, 0); +MODULE_DEPEND(uvscom, usb, 1, 1, 1); +MODULE_DEPEND(uvscom, ucom, UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER); +MODULE_VERSION(uvscom, UVSCOM_MODVER); + +static int uvscomobufsiz = UVSCOM_DEFAULT_OPKTSIZE; +static int uvscominterval = UVSCOM_INTR_INTERVAL; + +static int +sysctl_hw_usb_uvscom_opktsize(SYSCTL_HANDLER_ARGS) +{ + int err, val; + + val = uvscomobufsiz; + err = sysctl_handle_int(oidp, &val, 0, req); + if (err != 0 || req->newptr == NULL) + return (err); + if (0 < val && val <= UVSCOMOBUFSIZE) + uvscomobufsiz = val; + else + err = EINVAL; + + return (err); +} + +static int +sysctl_hw_usb_uvscom_interval(SYSCTL_HANDLER_ARGS) +{ + int err, val; + + val = uvscominterval; + err = sysctl_handle_int(oidp, &val, 0, req); + if (err != 0 || req->newptr == NULL) + return (err); + if (0 < val && val <= 1000) + uvscominterval = val; + else + err = EINVAL; + + return (err); +} + +SYSCTL_PROC(_hw_usb_uvscom, OID_AUTO, opktsize, CTLTYPE_INT | CTLFLAG_RW, + 0, sizeof(int), sysctl_hw_usb_uvscom_opktsize, + "I", "uvscom output packet size"); +SYSCTL_PROC(_hw_usb_uvscom, OID_AUTO, interval, CTLTYPE_INT | CTLFLAG_RW, + 0, sizeof(int), sysctl_hw_usb_uvscom_interval, + "I", "uvscom interrpt pipe interval"); + +static int +uvscom_match(device_t self) +{ + struct usb_attach_arg *uaa = device_get_ivars(self); + + if (uaa->iface != NULL) + return (UMATCH_NONE); + + return (uvscom_lookup(uaa->vendor, uaa->product) != NULL ? + UMATCH_VENDOR_PRODUCT : UMATCH_NONE); +} + +static int +uvscom_attach(device_t self) +{ + struct uvscom_softc *sc = device_get_softc(self); + struct usb_attach_arg *uaa = device_get_ivars(self); + usbd_device_handle dev = uaa->device; + struct ucom_softc *ucom; + usb_config_descriptor_t *cdesc; + usb_interface_descriptor_t *id; + usb_endpoint_descriptor_t *ed; + usbd_status err; + int i; + + ucom = &sc->sc_ucom; + ucom->sc_dev = self; + ucom->sc_udev = dev; + ucom->sc_iface = uaa->iface; + + DPRINTF(("uvscom attach: sc = %p\n", sc)); + + /* initialize endpoints */ + ucom->sc_bulkin_no = ucom->sc_bulkout_no = -1; + sc->sc_intr_number = -1; + sc->sc_intr_pipe = NULL; + + /* Move the device into the configured state. */ + err = usbd_set_config_index(dev, UVSCOM_CONFIG_INDEX, 1); + if (err) { + device_printf(self, "failed to set configuration, err=%s\n", + usbd_errstr(err)); + goto error; + } + + /* get the config descriptor */ + cdesc = usbd_get_config_descriptor(ucom->sc_udev); + + if (cdesc == NULL) { + device_printf(self, "failed to get configuration descriptor\n"); + goto error; + } + + /* get the common interface */ + err = usbd_device2interface_handle(dev, UVSCOM_IFACE_INDEX, + &ucom->sc_iface); + if (err) { + device_printf(self, "failed to get interface, err=%s\n", + usbd_errstr(err)); + goto error; + } + + id = usbd_get_interface_descriptor(ucom->sc_iface); + sc->sc_iface_number = id->bInterfaceNumber; + + /* Find endpoints */ + for (i = 0; i < id->bNumEndpoints; i++) { + ed = usbd_interface2endpoint_descriptor(ucom->sc_iface, i); + if (ed == NULL) { + device_printf(self, "no endpoint descriptor for %d\n", + i); + goto error; + } + + if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && + UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { + ucom->sc_bulkin_no = ed->bEndpointAddress; + } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && + UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { + ucom->sc_bulkout_no = ed->bEndpointAddress; + } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && + UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { + sc->sc_intr_number = ed->bEndpointAddress; + sc->sc_isize = UGETW(ed->wMaxPacketSize); + } + } + + if (ucom->sc_bulkin_no == -1) { + device_printf(self, "Could not find data bulk in\n"); + goto error; + } + if (ucom->sc_bulkout_no == -1) { + device_printf(self, "Could not find data bulk out\n"); + goto error; + } + if (sc->sc_intr_number == -1) { + device_printf(self, "Could not find interrupt in\n"); + goto error; + } + + sc->sc_dtr = sc->sc_rts = 0; + sc->sc_lcr = UVSCOM_LINE_INIT; + + ucom->sc_parent = sc; + ucom->sc_portno = UCOM_UNK_PORTNO; + /* bulkin, bulkout set above */ + ucom->sc_ibufsize = UVSCOMIBUFSIZE; + ucom->sc_obufsize = uvscomobufsiz; + ucom->sc_ibufsizepad = UVSCOMIBUFSIZE; + ucom->sc_opkthdrlen = 0; + ucom->sc_callback = &uvscom_callback; + + err = uvscom_reset(sc); + + if (err) { + device_printf(self, "reset failed, %s\n", usbd_errstr(err)); + goto error; + } + + DPRINTF(("uvscom: in = 0x%x out = 0x%x intr = 0x%x\n", + ucom->sc_bulkin_no, ucom->sc_bulkout_no, sc->sc_intr_number)); + + TASK_INIT(&sc->sc_task, 0, uvscom_notify, sc); + ucom_attach(&sc->sc_ucom); + return 0; + +error: + ucom->sc_dying = 1; + return ENXIO; +} + +static int +uvscom_detach(device_t self) +{ + struct uvscom_softc *sc = device_get_softc(self); + int rv = 0; + + DPRINTF(("uvscom_detach: sc = %p\n", sc)); + + sc->sc_ucom.sc_dying = 1; + + if (sc->sc_intr_pipe != NULL) { + usbd_abort_pipe(sc->sc_intr_pipe); + usbd_close_pipe(sc->sc_intr_pipe); + free(sc->sc_intr_buf, M_USBDEV); + sc->sc_intr_pipe = NULL; + } + + rv = ucom_detach(&sc->sc_ucom); + + return (rv); +} + +static usbd_status +uvscom_readstat(struct uvscom_softc *sc) +{ + usb_device_request_t req; + usbd_status err; + uint16_t r; + + DPRINTF(("%s: send readstat\n", device_get_nameunit(sc->sc_ucom.sc_dev))); + + req.bmRequestType = UT_READ_VENDOR_DEVICE; + req.bRequest = UVSCOM_READ_STATUS; + USETW(req.wValue, 0); + USETW(req.wIndex, 0); + USETW(req.wLength, 2); + + err = usbd_do_request(sc->sc_ucom.sc_udev, &req, &r); + if (err) { + device_printf(sc->sc_ucom.sc_dev, "uvscom_readstat: %s\n", + usbd_errstr(err)); + return (err); + } + + DPRINTF(("%s: uvscom_readstat: r = %d\n", + device_get_nameunit(sc->sc_ucom.sc_dev), r)); + + return (USBD_NORMAL_COMPLETION); +} + +static usbd_status +uvscom_shutdown(struct uvscom_softc *sc) +{ + usb_device_request_t req; + usbd_status err; + + DPRINTF(("%s: send shutdown\n", device_get_nameunit(sc->sc_ucom.sc_dev))); + + req.bmRequestType = UT_WRITE_VENDOR_DEVICE; + req.bRequest = UVSCOM_SHUTDOWN; + USETW(req.wValue, 0); + USETW(req.wIndex, 0); + USETW(req.wLength, 0); + + err = usbd_do_request(sc->sc_ucom.sc_udev, &req, NULL); + if (err) { + device_printf(sc->sc_ucom.sc_dev, "uvscom_shutdown: %s\n", + usbd_errstr(err)); + return (err); + } + + return (USBD_NORMAL_COMPLETION); +} + +static usbd_status +uvscom_reset(struct uvscom_softc *sc) +{ + DPRINTF(("%s: uvscom_reset\n", device_get_nameunit(sc->sc_ucom.sc_dev))); + + return (USBD_NORMAL_COMPLETION); +} + +static usbd_status +uvscom_set_crtscts(struct uvscom_softc *sc) +{ + DPRINTF(("%s: uvscom_set_crtscts\n", device_get_nameunit(sc->sc_ucom.sc_dev))); + + return (USBD_NORMAL_COMPLETION); +} + +static usbd_status +uvscom_set_line(struct uvscom_softc *sc, uint16_t line) +{ + usb_device_request_t req; + usbd_status err; + + DPRINTF(("%s: uvscom_set_line: %04x\n", + device_get_nameunit(sc->sc_ucom.sc_dev), line)); + + req.bmRequestType = UT_WRITE_VENDOR_DEVICE; + req.bRequest = UVSCOM_LINE_CTL; + USETW(req.wValue, line); + USETW(req.wIndex, 0); + USETW(req.wLength, 0); + + err = usbd_do_request(sc->sc_ucom.sc_udev, &req, NULL); + if (err) { + device_printf(sc->sc_ucom.sc_dev, "uvscom_set_line: %s\n", + usbd_errstr(err)); + return (err); + } + + return (USBD_NORMAL_COMPLETION); +} + +static usbd_status +uvscom_set_line_coding(struct uvscom_softc *sc, uint16_t lsp, uint16_t ls) +{ + usb_device_request_t req; + usbd_status err; + + DPRINTF(("%s: uvscom_set_line_coding: %02x %02x\n", + device_get_nameunit(sc->sc_ucom.sc_dev), lsp, ls)); + + req.bmRequestType = UT_WRITE_VENDOR_DEVICE; + req.bRequest = UVSCOM_SET_SPEED; + USETW(req.wValue, lsp); + USETW(req.wIndex, 0); + USETW(req.wLength, 0); + + err = usbd_do_request(sc->sc_ucom.sc_udev, &req, NULL); + if (err) { + device_printf(sc->sc_ucom.sc_dev, "uvscom_set_line_coding: %s\n", + usbd_errstr(err)); + return (err); + } + + req.bmRequestType = UT_WRITE_VENDOR_DEVICE; + req.bRequest = UVSCOM_SET_PARAM; + USETW(req.wValue, ls); + USETW(req.wIndex, 0); + USETW(req.wLength, 0); + + err = usbd_do_request(sc->sc_ucom.sc_udev, &req, NULL); + if (err) { + device_printf(sc->sc_ucom.sc_dev, "uvscom_set_line_coding: %s\n", + usbd_errstr(err)); + return (err); + } + + return (USBD_NORMAL_COMPLETION); +} + +static void +uvscom_dtr(struct uvscom_softc *sc, int onoff) +{ + DPRINTF(("%s: uvscom_dtr: onoff = %d\n", + device_get_nameunit(sc->sc_ucom.sc_dev), onoff)); + + if (sc->sc_dtr == onoff) + return; /* no change */ + + sc->sc_dtr = onoff; + + if (onoff) + SET(sc->sc_lcr, UVSCOM_DTR); + else + CLR(sc->sc_lcr, UVSCOM_DTR); + + uvscom_set_line(sc, sc->sc_lcr); +} + +static void +uvscom_rts(struct uvscom_softc *sc, int onoff) +{ + DPRINTF(("%s: uvscom_rts: onoff = %d\n", + device_get_nameunit(sc->sc_ucom.sc_dev), onoff)); + + if (sc->sc_rts == onoff) + return; /* no change */ + + sc->sc_rts = onoff; + + if (onoff) + SET(sc->sc_lcr, UVSCOM_RTS); + else + CLR(sc->sc_lcr, UVSCOM_RTS); + + uvscom_set_line(sc, sc->sc_lcr); +} + +static void +uvscom_break(struct uvscom_softc *sc, int onoff) +{ + DPRINTF(("%s: uvscom_break: onoff = %d\n", + device_get_nameunit(sc->sc_ucom.sc_dev), onoff)); + + if (onoff) + uvscom_set_line(sc, SET(sc->sc_lcr, UVSCOM_BREAK)); +} + +static void +uvscom_set(void *addr, int portno, int reg, int onoff) +{ + struct uvscom_softc *sc = addr; + + switch (reg) { + case UCOM_SET_DTR: + uvscom_dtr(sc, onoff); + break; + case UCOM_SET_RTS: + uvscom_rts(sc, onoff); + break; + case UCOM_SET_BREAK: + uvscom_break(sc, onoff); + break; + default: + break; + } +} + +static int +uvscom_param(void *addr, int portno, struct termios *t) +{ + struct uvscom_softc *sc = addr; + usbd_status err; + uint16_t lsp; + uint16_t ls; + + DPRINTF(("%s: uvscom_param: sc = %p\n", + device_get_nameunit(sc->sc_ucom.sc_dev), sc)); + + ls = 0; + + switch (t->c_ospeed) { + case B150: + lsp = UVSCOM_SPEED_150BPS; + break; + case B300: + lsp = UVSCOM_SPEED_300BPS; + break; + case B600: + lsp = UVSCOM_SPEED_600BPS; + break; + case B1200: + lsp = UVSCOM_SPEED_1200BPS; + break; + case B2400: + lsp = UVSCOM_SPEED_2400BPS; + break; + case B4800: + lsp = UVSCOM_SPEED_4800BPS; + break; + case B9600: + lsp = UVSCOM_SPEED_9600BPS; + break; + case B19200: + lsp = UVSCOM_SPEED_19200BPS; + break; + case B38400: + lsp = UVSCOM_SPEED_38400BPS; + break; + case B57600: + lsp = UVSCOM_SPEED_57600BPS; + break; + case B115200: + lsp = UVSCOM_SPEED_115200BPS; + break; + default: + return (EIO); + } + + if (ISSET(t->c_cflag, CSTOPB)) + SET(ls, UVSCOM_STOP_BIT_2); + else + SET(ls, UVSCOM_STOP_BIT_1); + + if (ISSET(t->c_cflag, PARENB)) { + if (ISSET(t->c_cflag, PARODD)) + SET(ls, UVSCOM_PARITY_ODD); + else + SET(ls, UVSCOM_PARITY_EVEN); + } else + SET(ls, UVSCOM_PARITY_NONE); + + switch (ISSET(t->c_cflag, CSIZE)) { + case CS5: + SET(ls, UVSCOM_DATA_BIT_5); + break; + case CS6: + SET(ls, UVSCOM_DATA_BIT_6); + break; + case CS7: + SET(ls, UVSCOM_DATA_BIT_7); + break; + case CS8: + SET(ls, UVSCOM_DATA_BIT_8); + break; + default: + return (EIO); + } + + err = uvscom_set_line_coding(sc, lsp, ls); + if (err) + return (EIO); + + if (ISSET(t->c_cflag, CRTSCTS)) { + err = uvscom_set_crtscts(sc); + if (err) + return (EIO); + } + + return (0); +} + +static int +uvscom_open(void *addr, int portno) +{ + struct uvscom_softc *sc = addr; + int err; + int i; + + if (sc->sc_ucom.sc_dying) + return (ENXIO); + + DPRINTF(("uvscom_open: sc = %p\n", sc)); + + /* change output packet size */ + sc->sc_ucom.sc_obufsize = uvscomobufsiz; + + if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) { + DPRINTF(("uvscom_open: open interrupt pipe.\n")); + + sc->sc_usr = 0; /* clear unit status */ + + err = uvscom_readstat(sc); + if (err) { + DPRINTF(("%s: uvscom_open: readstat faild\n", + device_get_nameunit(sc->sc_ucom.sc_dev))); + return (ENXIO); + } + + sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK); + err = usbd_open_pipe_intr(sc->sc_ucom.sc_iface, + sc->sc_intr_number, + USBD_SHORT_XFER_OK, + &sc->sc_intr_pipe, + sc, + sc->sc_intr_buf, + sc->sc_isize, + uvscom_intr, + uvscominterval); + if (err) { + device_printf(sc->sc_ucom.sc_dev, + "cannot open interrupt pipe (addr %d)\n", + sc->sc_intr_number); + return (ENXIO); + } + } else { + DPRINTF(("uvscom_open: did not open interrupt pipe.\n")); + } + + if ((sc->sc_usr & UVSCOM_USTAT_MASK) == 0) { + /* unit is not ready */ + + for (i = UVSCOM_UNIT_WAIT; i > 0; --i) { + pause("uvsop", hz); /* XXX */ + if (ISSET(sc->sc_usr, UVSCOM_USTAT_MASK)) + break; + } + if (i == 0) { + DPRINTF(("%s: unit is not ready\n", + device_get_nameunit(sc->sc_ucom.sc_dev))); + return (ENXIO); + } + + /* check PC Card was inserted */ + if (ISSET(sc->sc_usr, UVSCOM_NOCARD)) { + DPRINTF(("%s: no card\n", + device_get_nameunit(sc->sc_ucom.sc_dev))); + return (ENXIO); + } + } + + return (0); +} + +static void +uvscom_close(void *addr, int portno) +{ + struct uvscom_softc *sc = addr; + int err; + + if (sc->sc_ucom.sc_dying) + return; + + DPRINTF(("uvscom_close: close\n")); + + uvscom_shutdown(sc); + + if (sc->sc_intr_pipe != NULL) { + err = usbd_abort_pipe(sc->sc_intr_pipe); + if (err) + device_printf(sc->sc_ucom.sc_dev, + "abort interrupt pipe failed: %s\n", + usbd_errstr(err)); + err = usbd_close_pipe(sc->sc_intr_pipe); + if (err) + device_printf(sc->sc_ucom.sc_dev, + "close interrupt pipe failed: %s\n", + usbd_errstr(err)); + free(sc->sc_intr_buf, M_USBDEV); + sc->sc_intr_pipe = NULL; + } +} + +static void +uvscom_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) +{ + struct uvscom_softc *sc = priv; + u_char *buf = sc->sc_intr_buf; + u_char pstatus; + + if (sc->sc_ucom.sc_dying) + return; + + if (status != USBD_NORMAL_COMPLETION) { + if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) + return; + + device_printf(sc->sc_ucom.sc_dev, + "uvscom_intr: abnormal status: %s\n", + usbd_errstr(status)); + usbd_clear_endpoint_stall_async(sc->sc_intr_pipe); + return; + } + + DPRINTFN(2, ("%s: uvscom status = %02x %02x\n", + device_get_nameunit(sc->sc_ucom.sc_dev), buf[0], buf[1])); + + sc->sc_lsr = sc->sc_msr = 0; + sc->sc_usr = buf[1]; + + pstatus = buf[0]; + if (ISSET(pstatus, UVSCOM_TXRDY)) + SET(sc->sc_lsr, ULSR_TXRDY); + if (ISSET(pstatus, UVSCOM_RXRDY)) + SET(sc->sc_lsr, ULSR_RXRDY); + + pstatus = buf[1]; + if (ISSET(pstatus, UVSCOM_CTS)) + SET(sc->sc_msr, SER_CTS); + if (ISSET(pstatus, UVSCOM_DSR)) + SET(sc->sc_msr, SER_DSR); + if (ISSET(pstatus, UVSCOM_DCD)) + SET(sc->sc_msr, SER_DCD); + + /* Deferred notifying to the ucom layer */ + taskqueue_enqueue(taskqueue_swi_giant, &sc->sc_task); +} + +static void +uvscom_notify(void *arg, int count) +{ + struct uvscom_softc *sc; + + sc = (struct uvscom_softc *)arg; + if (sc->sc_ucom.sc_dying) + return; + ucom_status_change(&sc->sc_ucom); +} + +static void +uvscom_get_status(void *addr, int portno, u_char *lsr, u_char *msr) +{ + struct uvscom_softc *sc = addr; + + if (lsr != NULL) + *lsr = sc->sc_lsr; + if (msr != NULL) + *msr = sc->sc_msr; +} |
