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/* $OpenBSD: uipaq.c,v 1.13 2007/09/02 04:20:25 jsg Exp $ */
/*
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Lennart Augustsson (lennart@augustsson.net) at
* Carlstedt Research & Technology.
*
* 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.
*/
/*
* iPAQ driver
*
* 19 July 2003: Incorporated changes suggested by Sam Lawrance from
* the uppc module
*
*
* Contact isis@cs.umd.edu if you have any questions/comments about this driver
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/conf.h>
#include <sys/tty.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbhid.h>
#include <dev/usb/usbcdc.h> /*UCDC_* stuff */
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdi_util.h>
#include <dev/usb/usbdevs.h>
#include <dev/usb/ucomvar.h>
#ifdef UIPAQ_DEBUG
#define DPRINTF(x) if (uipaqdebug) printf x
#define DPRINTFN(n,x) if (uipaqdebug>(n)) printf x
int uipaqdebug = 0;
#else
#define DPRINTF(x)
#define DPRINTFN(n,x)
#endif
#define UIPAQ_CONFIG_NO 1
#define UIPAQ_IFACE_INDEX 0
#define UIPAQIBUFSIZE 1024
#define UIPAQOBUFSIZE 1024
struct uipaq_softc {
struct device sc_dev; /* base device */
usbd_device_handle sc_udev; /* device */
usbd_interface_handle sc_iface; /* interface */
struct device *sc_subdev; /* ucom uses that */
u_int16_t sc_lcr; /* state for DTR/RTS */
u_int16_t sc_flags;
u_char sc_dying;
};
/* Callback routines */
void uipaq_set(void *, int, int, int);
/* Support routines. */
/* based on uppc module by Sam Lawrance */
void uipaq_dtr(struct uipaq_softc *sc, int onoff);
void uipaq_rts(struct uipaq_softc *sc, int onoff);
void uipaq_break(struct uipaq_softc* sc, int onoff);
struct ucom_methods uipaq_methods = {
NULL,
uipaq_set,
NULL,
NULL,
NULL, /*open*/
NULL, /*close*/
NULL,
NULL
};
struct uipaq_type {
struct usb_devno uv_dev;
u_int16_t uv_flags;
};
static const struct uipaq_type uipaq_devs[] = {
{{ USB_VENDOR_ASUS, USB_PRODUCT_ASUS_MYPAL_A730} , 0},
{{ USB_VENDOR_CASIO, USB_PRODUCT_CASIO_BE300} , 0},
{{ USB_VENDOR_COMPAQ, USB_PRODUCT_COMPAQ_IPAQPOCKETPC} , 0},
{{ USB_VENDOR_HP, USB_PRODUCT_HP_2215 }, 0 },
{{ USB_VENDOR_HP, USB_PRODUCT_HP_568J }, 0},
{{ USB_VENDOR_HTC, USB_PRODUCT_HTC_PPC6700MODEM }, 0}
};
#define uipaq_lookup(v, p) ((struct uipaq_type *)usb_lookup(uipaq_devs, v, p))
int uipaq_match(struct device *, void *, void *);
void uipaq_attach(struct device *, struct device *, void *);
int uipaq_detach(struct device *, int);
int uipaq_activate(struct device *, enum devact);
struct cfdriver uipaq_cd = {
NULL, "uipaq", DV_DULL
};
const struct cfattach uipaq_ca = {
sizeof(struct uipaq_softc),
uipaq_match,
uipaq_attach,
uipaq_detach,
uipaq_activate,
};
int
uipaq_match(struct device *parent, void *match, void *aux)
{
struct usb_attach_arg *uaa = aux;
if (uaa->iface != NULL)
return (UMATCH_NONE);
DPRINTFN(20,("uipaq: vendor=0x%x, product=0x%x\n",
uaa->vendor, uaa->product));
return (uipaq_lookup(uaa->vendor, uaa->product) != NULL ?
UMATCH_VENDOR_PRODUCT : UMATCH_NONE);
}
void
uipaq_attach(struct device *parent, struct device *self, void *aux)
{
struct uipaq_softc *sc = (struct uipaq_softc *)self;
struct usb_attach_arg *uaa = aux;
usbd_device_handle dev = uaa->device;
usbd_interface_handle iface;
usb_interface_descriptor_t *id;
usb_endpoint_descriptor_t *ed;
char *devinfop;
char *devname = sc->sc_dev.dv_xname;
int i;
usbd_status err;
struct ucom_attach_args uca;
DPRINTFN(10,("\nuipaq_attach: sc=%p\n", sc));
/* Move the device into the configured state. */
err = usbd_set_config_no(dev, UIPAQ_CONFIG_NO, 1);
if (err) {
printf("\n%s: failed to set configuration, err=%s\n",
devname, usbd_errstr(err));
goto bad;
}
err = usbd_device2interface_handle(dev, UIPAQ_IFACE_INDEX, &iface);
if (err) {
printf("\n%s: failed to get interface, err=%s\n",
devname, usbd_errstr(err));
goto bad;
}
devinfop = usbd_devinfo_alloc(dev, 0);
printf("\n%s: %s\n", devname, devinfop);
usbd_devinfo_free(devinfop);
sc->sc_flags = uipaq_lookup(uaa->vendor, uaa->product)->uv_flags;
id = usbd_get_interface_descriptor(iface);
sc->sc_udev = dev;
sc->sc_iface = iface;
uca.ibufsize = UIPAQIBUFSIZE;
uca.obufsize = UIPAQOBUFSIZE;
uca.ibufsizepad = UIPAQIBUFSIZE;
uca.opkthdrlen = 0;
uca.device = dev;
uca.iface = iface;
uca.methods = &uipaq_methods;
uca.arg = sc;
uca.portno = UCOM_UNK_PORTNO;
uca.info = "Generic";
/* err = uipaq_init(sc);
if (err) {
printf("%s: init failed, %s\n", sc->sc_dev.dv_xname,
usbd_errstr(err));
goto bad;
}*/
usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
&sc->sc_dev);
uca.bulkin = uca.bulkout = -1;
for (i=0; i<id->bNumEndpoints; i++) {
ed = usbd_interface2endpoint_descriptor(iface, i);
if (ed == NULL) {
printf("%s: no endpoint descriptor for %d\n",
devname,i);
goto bad;
}
if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
(ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
uca.bulkin = ed->bEndpointAddress;
} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
(ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
uca.bulkout = ed->bEndpointAddress;
}
}
if (uca.bulkin != -1 && uca.bulkout != -1)
sc->sc_subdev = config_found_sm(self, &uca,
ucomprint, ucomsubmatch);
else
printf("%s: no proper endpoints found (%d,%d) \n",
devname, uca.bulkin, uca.bulkout);
return;
bad:
DPRINTF(("uipaq_attach: ATTACH ERROR\n"));
sc->sc_dying = 1;
}
void
uipaq_dtr(struct uipaq_softc* sc, int onoff)
{
usb_device_request_t req;
usbd_status err;
int retries = 3;
DPRINTF(("%s: uipaq_dtr: onoff=%x\n", sc->sc_dev.dv_xname, onoff));
/* Avoid sending unnecessary requests */
if (onoff && (sc->sc_lcr & UCDC_LINE_DTR))
return;
if (!onoff && !(sc->sc_lcr & UCDC_LINE_DTR))
return;
/* Other parameters depend on reg */
req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
req.bRequest = UCDC_SET_CONTROL_LINE_STATE;
sc->sc_lcr = onoff ? sc->sc_lcr | UCDC_LINE_DTR : sc->sc_lcr & ~UCDC_LINE_DTR;
USETW(req.wValue, sc->sc_lcr);
USETW(req.wIndex, 0x0);
USETW(req.wLength, 0);
/* Fire off the request a few times if necessary */
while (retries) {
err = usbd_do_request(sc->sc_udev, &req, NULL);
if (!err)
break;
retries--;
}
}
void
uipaq_rts(struct uipaq_softc* sc, int onoff)
{
usb_device_request_t req;
usbd_status err;
int retries = 3;
DPRINTF(("%s: uipaq_rts: onoff=%x\n", sc->sc_dev.dv_xname, onoff));
/* Avoid sending unnecessary requests */
if (onoff && (sc->sc_lcr & UCDC_LINE_RTS)) return;
if (!onoff && !(sc->sc_lcr & UCDC_LINE_RTS)) return;
req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
req.bRequest = UCDC_SET_CONTROL_LINE_STATE;
sc->sc_lcr = onoff ? sc->sc_lcr | UCDC_LINE_RTS : sc->sc_lcr & ~UCDC_LINE_RTS;
USETW(req.wValue, sc->sc_lcr);
USETW(req.wIndex, 0x0);
USETW(req.wLength, 0);
while (retries) {
err = usbd_do_request(sc->sc_udev, &req, NULL);
if (!err)
break;
retries--;
}
}
void
uipaq_break(struct uipaq_softc* sc, int onoff)
{
usb_device_request_t req;
usbd_status err;
int retries = 3;
DPRINTF(("%s: uipaq_break: onoff=%x\n", sc->sc_dev.dv_xname, onoff));
req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
req.bRequest = UCDC_SEND_BREAK;
USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF);
USETW(req.wIndex, 0x0);
USETW(req.wLength, 0);
while (retries) {
err = usbd_do_request(sc->sc_udev, &req, NULL);
if (!err)
break;
retries--;
}
}
void
uipaq_set(void *addr, int portno, int reg, int onoff)
{
struct uipaq_softc* sc = addr;
switch (reg) {
case UCOM_SET_DTR:
uipaq_dtr(addr, onoff);
break;
case UCOM_SET_RTS:
uipaq_rts(addr, onoff);
break;
case UCOM_SET_BREAK:
uipaq_break(addr, onoff);
break;
default:
printf("%s: unhandled set request: reg=%x onoff=%x\n",
sc->sc_dev.dv_xname, reg, onoff);
return;
}
}
int
uipaq_activate(struct device *self, enum devact act)
{
struct uipaq_softc *sc = (struct uipaq_softc *)self;
int rv = 0;
switch (act) {
case DVACT_ACTIVATE:
break;
case DVACT_DEACTIVATE:
if (sc->sc_subdev != NULL)
rv = config_deactivate(sc->sc_subdev);
sc->sc_dying = 1;
break;
}
return (rv);
}
int
uipaq_detach(struct device *self, int flags)
{
struct uipaq_softc *sc = (struct uipaq_softc *)self;
int rv = 0;
DPRINTF(("uipaq_detach: sc=%p flags=%d\n", sc, flags));
sc->sc_dying = 1;
if (sc->sc_subdev != NULL) {
rv |= config_detach(sc->sc_subdev, flags);
sc->sc_subdev = NULL;
}
usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
&sc->sc_dev);
return (rv);
}
|