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528d1a7fbc
freebsd/sys/dev/usb/uvscom.c
Josef Karthauser 528d1a7fbc Replace the FOO_DEBUG definitions with USB_DEBUG, and switch the 
debugging levels to off by default.  Now that debug levels can be
tweaked by sysctl we don't need to go through hoops to get the
different usb parts to produce debug data.
2002-07-31 14:34:36 +00:00

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/* $NetBSD: usb/uvscom.c,v 1.1 2002/03/19 15:08:42 augustss Exp $ */
/*-
* Copyright (c) 2001-2002, 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.
*
* $FreeBSD$
*/
/*
* 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 <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/fcntl.h>
#include <sys/conf.h>
#include <sys/tty.h>
#include <sys/file.h>
#if defined(__FreeBSD__)
#include <sys/bus.h>
#include <sys/ioccom.h>
#if __FreeBSD_version >= 500014
#include <sys/selinfo.h>
#else
#include <sys/select.h>
#endif
#else
#include <sys/ioctl.h>
#include <sys/device.h>
#endif
#include <sys/proc.h>
#include <sys/vnode.h>
#include <sys/poll.h>
#include <sys/sysctl.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbcdc.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdi_util.h>
#include <dev/usb/usbdevs.h>
#include <dev/usb/usb_quirks.h>
#include <dev/usb/ucomvar.h>
#ifdef USB_DEBUG
static int uvscomdebug = 0;
SYSCTL_INT(_debug_usb, OID_AUTO, uvscom, CTLFLAG_RW,
&uvscomdebug, 0, "uvscom debug level");
#define DPRINTFN(n, x) do { \
if (uvscomdebug > (n)) \
logprintf 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
#define UVSCOM_INTR_INTERVAL 100 /* mS */
#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 */
};
/*
* 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
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);
#if TODO
Static int uvscom_ioctl(void *, int, u_long, caddr_t, int, usb_proc_ptr);
#endif
Static int uvscom_param(void *, int, struct termios *);
Static int uvscom_open(void *, int);
Static void uvscom_close(void *, int);
struct ucom_callback uvscom_callback = {
uvscom_get_status,
uvscom_set,
uvscom_param,
NULL, /* uvscom_ioctl, TODO */
uvscom_open,
uvscom_close,
NULL,
NULL
};
static const struct usb_devno uvscom_devs [] = {
/* 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 = {
"uvscom",
uvscom_methods,
sizeof (struct uvscom_softc)
};
DRIVER_MODULE(uvscom, uhub, uvscom_driver, ucom_devclass, usbd_driver_load, 0);
MODULE_DEPEND(uvscom, ucom, UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER);
MODULE_VERSION(uvscom, UVSCOM_MODVER);
USB_MATCH(uvscom)
{
USB_MATCH_START(uvscom, uaa);
if (uaa->iface != NULL)
return (UMATCH_NONE);
return (uvscom_lookup(uaa->vendor, uaa->product) != NULL ?
UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
}
USB_ATTACH(uvscom)
{
USB_ATTACH_START(uvscom, sc, uaa);
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;
char *devinfo;
const char *devname;
usbd_status err;
int i;
devinfo = malloc(1024, M_USBDEV, M_WAITOK);
ucom = &sc->sc_ucom;
bzero(sc, sizeof (struct uvscom_softc));
usbd_devinfo(dev, 0, devinfo);
/* USB_ATTACH_SETUP; */
ucom->sc_dev = self;
device_set_desc_copy(self, devinfo);
/* USB_ATTACH_SETUP; */
ucom->sc_udev = dev;
ucom->sc_iface = uaa->iface;
devname = USBDEVNAME(ucom->sc_dev);
printf("%s: %s\n", devname, devinfo);
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) {
printf("%s: failed to set configuration, err=%s\n",
devname, usbd_errstr(err));
goto error;
}
/* get the config descriptor */
cdesc = usbd_get_config_descriptor(ucom->sc_udev);
if (cdesc == NULL) {
printf("%s: failed to get configuration descriptor\n",
USBDEVNAME(ucom->sc_dev));
goto error;
}
/* get the common interface */
err = usbd_device2interface_handle(dev, UVSCOM_IFACE_INDEX,
&ucom->sc_iface);
if (err) {
printf("%s: failed to get interface, err=%s\n",
devname, 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) {
printf("%s: no endpoint descriptor for %d\n",
USBDEVNAME(ucom->sc_dev), 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) {
printf("%s: Could not find data bulk in\n",
USBDEVNAME(ucom->sc_dev));
goto error;
}
if (ucom->sc_bulkout_no == -1) {
printf("%s: Could not find data bulk out\n",
USBDEVNAME(ucom->sc_dev));
goto error;
}
if (sc->sc_intr_number == -1) {
printf("%s: Could not find interrupt in\n",
USBDEVNAME(ucom->sc_dev));
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 = UVSCOMOBUFSIZE;
ucom->sc_ibufsizepad = UVSCOMIBUFSIZE;
ucom->sc_opkthdrlen = 0;
ucom->sc_callback = &uvscom_callback;
err = uvscom_reset(sc);
if (err) {
printf("%s: reset failed, %s\n", USBDEVNAME(ucom->sc_dev),
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));
ucom_attach(&sc->sc_ucom);
free(devinfo, M_USBDEV);
USB_ATTACH_SUCCESS_RETURN;
error:
ucom->sc_dying = 1;
free(devinfo, M_USBDEV);
USB_ATTACH_ERROR_RETURN;
}
USB_DETACH(uvscom)
{
USB_DETACH_START(uvscom, sc);
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", USBDEVNAME(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) {
printf("%s: uvscom_readstat: %s\n",
USBDEVNAME(sc->sc_ucom.sc_dev), usbd_errstr(err));
return (err);
}
DPRINTF(("%s: uvscom_readstat: r = %d\n",
USBDEVNAME(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", USBDEVNAME(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) {
printf("%s: uvscom_shutdown: %s\n",
USBDEVNAME(sc->sc_ucom.sc_dev), usbd_errstr(err));
return (err);
}
return (USBD_NORMAL_COMPLETION);
}
Static usbd_status
uvscom_reset(struct uvscom_softc *sc)
{
DPRINTF(("%s: uvscom_reset\n", USBDEVNAME(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", USBDEVNAME(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",
USBDEVNAME(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) {
printf("%s: uvscom_set_line: %s\n",
USBDEVNAME(sc->sc_ucom.sc_dev), 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",
USBDEVNAME(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) {
printf("%s: uvscom_set_line_coding: %s\n",
USBDEVNAME(sc->sc_ucom.sc_dev), 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) {
printf("%s: uvscom_set_line_coding: %s\n",
USBDEVNAME(sc->sc_ucom.sc_dev), 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",
USBDEVNAME(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",
USBDEVNAME(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",
USBDEVNAME(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",
USBDEVNAME(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));
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",
USBDEVNAME(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,
UVSCOM_INTR_INTERVAL);
if (err) {
printf("%s: cannot open interrupt pipe (addr %d)\n",
USBDEVNAME(sc->sc_ucom.sc_dev),
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) {
tsleep(&err, TTIPRI, "uvsop", hz); /* XXX */
if (ISSET(sc->sc_usr, UVSCOM_USTAT_MASK))
break;
}
if (i == 0) {
DPRINTF(("%s: unit is not ready\n",
USBDEVNAME(sc->sc_ucom.sc_dev)));
return (ENXIO);
}
/* check PC card was inserted */
if (ISSET(sc->sc_usr, UVSCOM_NOCARD)) {
DPRINTF(("%s: no card\n",
USBDEVNAME(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)
printf("%s: abort interrupt pipe failed: %s\n",
USBDEVNAME(sc->sc_ucom.sc_dev),
usbd_errstr(err));
err = usbd_close_pipe(sc->sc_intr_pipe);
if (err)
printf("%s: close interrupt pipe failed: %s\n",
USBDEVNAME(sc->sc_ucom.sc_dev),
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;
printf("%s: uvscom_intr: abnormal status: %s\n",
USBDEVNAME(sc->sc_ucom.sc_dev),
usbd_errstr(status));
usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
return;
}
DPRINTFN(2, ("%s: uvscom status = %02x %02x\n",
USBDEVNAME(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, UMSR_CTS);
if (ISSET(pstatus, UVSCOM_DSR))
SET(sc->sc_msr, UMSR_DSR);
if (ISSET(pstatus, UVSCOM_DCD))
SET(sc->sc_msr, UMSR_DCD);
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;
}
#if TODO
Static int
uvscom_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag,
usb_proc_ptr p)
{
struct uvscom_softc *sc = addr;
int error = 0;
if (sc->sc_ucom.sc_dying)
return (EIO);
DPRINTF(("uvscom_ioctl: cmd = 0x%08lx\n", cmd));
switch (cmd) {
case TIOCNOTTY:
case TIOCMGET:
case TIOCMSET:
break;
default:
DPRINTF(("uvscom_ioctl: unknown\n"));
error = ENOTTY;
break;
}
return (error);
}
#endif
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