NetBSD-5.0.2/sys/dev/usb/uvscom.c
/* $NetBSD: uvscom.c,v 1.22 2008/05/24 16:40:58 cube 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: src/sys/dev/usb/uvscom.c,v 1.1 2002/03/18 18:23:39 joe Exp $
*/
/*
* 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/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: uvscom.c,v 1.22 2008/05/24 16:40:58 cube Exp $");
#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/poll.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 UVSCOM_DEBUG
static int uvscomdebug = 1;
#if defined(__FreeBSD__)
#include <sys/sysctl.h>
SYSCTL_DECL(_debug_usb);
SYSCTL_INT(_debug_usb, OID_AUTO, uvscom, CTLFLAG_RW,
&uvscomdebug, 0, "uvscom debug level");
#endif
#define DPRINTFN(n, x) do { \
if (uvscomdebug > (n)) \
logprintf x; \
} while (0)
#else
#define DPRINTFN(n, x)
#endif
#define DPRINTF(x) DPRINTFN(0, x)
#if defined(__FreeBSD__)
#define UVSCOM_MODVER 1 /* module version */
#endif
#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 {
USBBASEDEVICE sc_dev; /* base device */
usbd_device_handle sc_udev; /* USB device */
usbd_interface_handle sc_iface; /* interface */
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 */
device_ptr_t sc_subdev; /* ucom device */
u_char sc_dying; /* disconnecting */
};
/*
* 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_readstat(struct uvscom_softc *);
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);
struct ucom_methods uvscom_methods = {
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 A4 */
{ USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_AS144L4 },
/* SUNTAC U-Cable type D2 */
{ USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_DS96L },
/* SUNTAC U-Cable type P1 */
{ USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_PS64P1 },
/* SUNTAC Slipper U */
{ USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_VS10U },
/* SUNTAC Ir-Trinity */
{ USB_VENDOR_SUNTAC, USB_PRODUCT_SUNTAC_IS96U },
};
#define uvscom_lookup(v, p) usb_lookup(uvscom_devs, v, p)
int uvscom_match(device_t, cfdata_t, void *);
void uvscom_attach(device_t, device_t, void *);
void uvscom_childdet(device_t, device_t);
int uvscom_detach(device_t, int);
int uvscom_activate(device_t, enum devact);
extern struct cfdriver uvscom_cd;
CFATTACH_DECL2_NEW(uvscom, sizeof(struct uvscom_softc), uvscom_match,
uvscom_attach, uvscom_detach, uvscom_activate, NULL, uvscom_childdet);
USB_MATCH(uvscom)
{
USB_MATCH_START(uvscom, uaa);
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;
usb_config_descriptor_t *cdesc;
usb_interface_descriptor_t *id;
usb_endpoint_descriptor_t *ed;
char *devinfop;
usbd_status err;
int i;
struct ucom_attach_args uca;
devinfop = usbd_devinfo_alloc(dev, 0);
USB_ATTACH_SETUP;
aprint_normal_dev(self, "%s\n", devinfop);
usbd_devinfo_free(devinfop);
sc->sc_dev = self;
sc->sc_udev = dev;
DPRINTF(("uvscom attach: sc = %p\n", sc));
/* initialize endpoints */
uca.bulkin = uca.bulkout = -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) {
aprint_error_dev(self, "failed to set configuration, err=%s\n",
usbd_errstr(err));
sc->sc_dying = 1;
USB_ATTACH_ERROR_RETURN;
}
/* get the config descriptor */
cdesc = usbd_get_config_descriptor(sc->sc_udev);
if (cdesc == NULL) {
aprint_error_dev(self,
"failed to get configuration descriptor\n");
sc->sc_dying = 1;
USB_ATTACH_ERROR_RETURN;
}
/* get the common interface */
err = usbd_device2interface_handle(dev, UVSCOM_IFACE_INDEX,
&sc->sc_iface);
if (err) {
aprint_error_dev(self, "failed to get interface, err=%s\n",
usbd_errstr(err));
sc->sc_dying = 1;
USB_ATTACH_ERROR_RETURN;
}
id = usbd_get_interface_descriptor(sc->sc_iface);
sc->sc_iface_number = id->bInterfaceNumber;
/* Find endpoints */
for (i = 0; i < id->bNumEndpoints; i++) {
ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
if (ed == NULL) {
aprint_error_dev(self,
"no endpoint descriptor for %d\n", i);
sc->sc_dying = 1;
USB_ATTACH_ERROR_RETURN;
}
if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
uca.bulkin = ed->bEndpointAddress;
} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
uca.bulkout = 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 (uca.bulkin == -1) {
aprint_error_dev(self, "Could not find data bulk in\n");
sc->sc_dying = 1;
USB_ATTACH_ERROR_RETURN;
}
if (uca.bulkout == -1) {
aprint_error_dev(self, "Could not find data bulk out\n");
sc->sc_dying = 1;
USB_ATTACH_ERROR_RETURN;
}
if (sc->sc_intr_number == -1) {
aprint_error_dev(self, "Could not find interrupt in\n");
sc->sc_dying = 1;
USB_ATTACH_ERROR_RETURN;
}
sc->sc_dtr = sc->sc_rts = 0;
sc->sc_lcr = UVSCOM_LINE_INIT;
uca.portno = UCOM_UNK_PORTNO;
/* bulkin, bulkout set above */
uca.ibufsize = UVSCOMIBUFSIZE;
uca.obufsize = UVSCOMOBUFSIZE;
uca.ibufsizepad = UVSCOMIBUFSIZE;
uca.opkthdrlen = 0;
uca.device = dev;
uca.iface = sc->sc_iface;
uca.methods = &uvscom_methods;
uca.arg = sc;
uca.info = NULL;
err = uvscom_reset(sc);
if (err) {
aprint_error_dev(self, "reset failed, %s\n", usbd_errstr(err));
sc->sc_dying = 1;
USB_ATTACH_ERROR_RETURN;
}
DPRINTF(("uvscom: in = 0x%x out = 0x%x intr = 0x%x\n",
uca.bulkin, uca.bulkout, sc->sc_intr_number));
usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
USBDEV(sc->sc_dev));
DPRINTF(("uplcom: in=0x%x out=0x%x intr=0x%x\n",
uca.bulkin, uca.bulkout, sc->sc_intr_number ));
sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca,
ucomprint, ucomsubmatch);
USB_ATTACH_SUCCESS_RETURN;
}
void
uvscom_childdet(device_t self, device_t child)
{
struct uvscom_softc *sc = device_private(self);
KASSERT(sc->sc_subdev == child);
sc->sc_subdev = NULL;
}
USB_DETACH(uvscom)
{
USB_DETACH_START(uvscom, sc);
int rv = 0;
DPRINTF(("uvscom_detach: sc = %p\n", sc));
sc->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;
}
sc->sc_dying = 1;
if (sc->sc_subdev != NULL)
rv = config_detach(sc->sc_subdev, flags);
usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
USBDEV(sc->sc_dev));
return (rv);
}
int
uvscom_activate(device_t self, enum devact act)
{
struct uvscom_softc *sc = device_private(self);
int rv = 0;
switch (act) {
case DVACT_ACTIVATE:
return (EOPNOTSUPP);
case DVACT_DEACTIVATE:
if (sc->sc_subdev != NULL)
rv = config_deactivate(sc->sc_subdev);
sc->sc_dying = 1;
break;
}
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_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_udev, &req, &r);
if (err) {
aprint_error_dev(sc->sc_dev, "uvscom_readstat: %s\n",
usbd_errstr(err));
return (err);
}
DPRINTF(("%s: uvscom_readstat: r = %d\n",
USBDEVNAME(sc->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_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_udev, &req, NULL);
if (err) {
aprint_error_dev(sc->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", USBDEVNAME(sc->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_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_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_udev, &req, NULL);
if (err) {
aprint_error_dev(sc->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",
USBDEVNAME(sc->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_udev, &req, NULL);
if (err) {
aprint_error_dev(sc->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_udev, &req, NULL);
if (err) {
aprint_error_dev(sc->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",
USBDEVNAME(sc->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_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_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_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_dying)
return (EIO);
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_dev)));
return (EIO);
}
sc->sc_intr_buf = malloc(sc->sc_isize, M_USBDEV, M_WAITOK);
err = usbd_open_pipe_intr(sc->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) {
aprint_error_dev(sc->sc_dev,
"cannot open interrupt pipe (addr %d)\n",
sc->sc_intr_number);
return (EIO);
}
} 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_dev)));
return (EIO);
}
/* check PC card was inserted */
if (ISSET(sc->sc_usr, UVSCOM_NOCARD)) {
DPRINTF(("%s: no card\n",
USBDEVNAME(sc->sc_dev)));
return (EIO);
}
}
return (0);
}
Static void
uvscom_close(void *addr, int portno)
{
struct uvscom_softc *sc = addr;
int err;
if (sc->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)
aprint_error_dev(sc->sc_dev,
"abort interrupt pipe failed: %s\n",
usbd_errstr(err));
err = usbd_close_pipe(sc->sc_intr_pipe);
if (err)
aprint_error_dev(sc->sc_dev,
"lose 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_dying)
return;
if (status != USBD_NORMAL_COMPLETION) {
if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
return;
aprint_error_dev(sc->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",
USBDEVNAME(sc->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(device_private(sc->sc_subdev));
}
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;
}