OpenBSD-4.6/sys/dev/usb/umsm.c
/* $OpenBSD: umsm.c,v 1.47 2009/05/24 08:30:32 sthen Exp $ */
/*
* Copyright (c) 2008 Yojiro UO <yuo@nui.org>
* Copyright (c) 2006 Jonathan Gray <jsg@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* Driver for Qualcomm MSM EVDO and UMTS communication devices */
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/device.h>
#include <sys/conf.h>
#include <sys/tty.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdi_util.h>
#include <dev/usb/usbdevs.h>
#include <dev/usb/ucomvar.h>
#include <dev/usb/usbcdc.h>
#include <dev/usb/umassvar.h>
#undef DPRINTF /* undef DPRINTF for umass */
#ifdef USB_DEBUG
#define UMSM_DEBUG
#endif
#ifdef UMSM_DEBUG
int umsmdebug = 0;
#define DPRINTFN(n, x) do { if (umsmdebug > (n)) printf x; } while (0)
#else
#define DPRINTFN(n, x)
#endif
#define DPRINTF(x) DPRINTFN(0, x)
#define UMSMBUFSZ 4096
#define UMSM_INTR_INTERVAL 100 /* ms */
#define E220_MODE_CHANGE_REQUEST 0x2
#define TRUINSTALL_CHANGEMODE_REQUEST 0x0b
int umsm_match(struct device *, void *, void *);
void umsm_attach(struct device *, struct device *, void *);
int umsm_detach(struct device *, int);
int umsm_activate(struct device *, enum devact);
int umsm_open(void *, int);
void umsm_close(void *, int);
void umsm_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
void umsm_get_status(void *, int, u_char *, u_char *);
void umsm_set(void *, int, int, int);
struct umsm_softc {
struct device sc_dev;
usbd_device_handle sc_udev;
usbd_interface_handle sc_iface;
int sc_iface_no;
struct device *sc_subdev;
u_char sc_dying;
uint16_t sc_flag;
/* interrupt ep */
int sc_intr_number;
usbd_pipe_handle sc_intr_pipe;
u_char *sc_intr_buf;
int sc_isize;
u_char sc_lsr; /* Local status register */
u_char sc_msr; /* status register */
u_char sc_dtr; /* current DTR state */
u_char sc_rts; /* current RTS state */
};
usbd_status umsm_huawei_changemode(usbd_device_handle);
usbd_status umsm_truinstall_changemode(usbd_device_handle);
usbd_status umsm_umass_changemode(struct umsm_softc *);
struct ucom_methods umsm_methods = {
umsm_get_status,
umsm_set,
NULL,
NULL,
umsm_open,
umsm_close,
NULL,
NULL,
};
struct umsm_type {
struct usb_devno umsm_dev;
uint16_t umsm_flag;
/* device type */
#define DEV_NORMAL 0x0000
#define DEV_HUAWEI 0x0001
#define DEV_TRUINSTALL 0x0002
#define DEV_UMASS1 0x0010
#define DEV_UMASS2 0x0020
#define DEV_UMASS3 0x0040
#define DEV_UMASS (DEV_UMASS1 | DEV_UMASS2 | DEV_UMASS3)
};
static const struct umsm_type umsm_devs[] = {
{{ USB_VENDOR_AIRPRIME, USB_PRODUCT_AIRPRIME_PC5220 }, 0},
{{ USB_VENDOR_ANYDATA, USB_PRODUCT_ANYDATA_A2502 }, 0},
{{ USB_VENDOR_ANYDATA, USB_PRODUCT_ANYDATA_ADU_500A }, 0},
{{ USB_VENDOR_ANYDATA, USB_PRODUCT_ANYDATA_ADU_E100H }, 0},
{{ USB_VENDOR_DELL, USB_PRODUCT_DELL_U740 }, 0},
{{ USB_VENDOR_DELL, USB_PRODUCT_DELL_W5500 }, 0},
{{ USB_VENDOR_HUAWEI, USB_PRODUCT_HUAWEI_E220 }, DEV_HUAWEI},
{{ USB_VENDOR_HUAWEI, USB_PRODUCT_HUAWEI_E510 }, DEV_HUAWEI},
{{ USB_VENDOR_HUAWEI, USB_PRODUCT_HUAWEI_E618 }, DEV_HUAWEI},
{{ USB_VENDOR_HYUNDAI, USB_PRODUCT_HYUNDAI_UM175 }, 0},
{{ USB_VENDOR_LONGCHEER, USB_PRODUCT_LONGCHEER_D21LCMASS }, DEV_UMASS3},
{{ USB_VENDOR_LONGCHEER, USB_PRODUCT_LONGCHEER_D21LC }, 0},
{{ USB_VENDOR_KYOCERA2, USB_PRODUCT_KYOCERA2_KPC650 }, 0},
/* XXX Some qualcomm devices are missing */
{{ USB_VENDOR_QUALCOMM, USB_PRODUCT_QUALCOMM_MSM_DRIVER }, DEV_UMASS1},
{{ USB_VENDOR_QUALCOMM, USB_PRODUCT_QUALCOMM_MSM_HSDPA }, 0},
{{ USB_VENDOR_QUALCOMM, USB_PRODUCT_QUALCOMM_MSM_HSDPA2 }, 0},
{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_EXPRESSCARD }, 0},
{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_MERLINV620 }, 0},
{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_MERLINV740 }, 0},
{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_V720 }, 0},
{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_MERLINU740 }, 0},
{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_MERLINU740_2 }, 0},
{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_U870 }, 0},
{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_XU870 }, 0},
{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_X950D }, 0},
{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_ES620 }, 0},
{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_U720 }, 0},
{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_U727 }, DEV_UMASS1},
{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_MC950D }, 0},
{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_MERLINX950D }, 0},
{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_ZEROCD2 }, 0},
{{ USB_VENDOR_NOVATEL, USB_PRODUCT_NOVATEL_U760 }, 0},
{{ USB_VENDOR_NOVATEL1, USB_PRODUCT_NOVATEL1_FLEXPACKGPS }, 0},
{{ USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GT3GFUSION }, 0},
{{ USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GT3GPLUS }, 0},
{{ USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GT3GQUAD }, 0},
{{ USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GT3GQUADPLUS }, 0},
{{ USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GSICON72 }, DEV_UMASS1},
{{ USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GTHSDPA225 }, DEV_UMASS2},
{{ USB_VENDOR_OPTION, USB_PRODUCT_OPTION_GTMAX36 }, 0},
{{ USB_VENDOR_OPTION, USB_PRODUCT_OPTION_SCORPION }, 0},
{{ USB_VENDOR_OPTION, USB_PRODUCT_OPTION_VODAFONEMC3G }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_EM5625 }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC5720 }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AIRCARD_595 }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC5725 }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC597E }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_C597 }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC595U }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AIRCARD_580 }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC5720_2 }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC5725_2 }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8755_2 }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8765 }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8755 }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8775 }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8755_3 }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8775_2 }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AIRCARD_875 }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8780 }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_MC8781 }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC880 }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC881 }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC880E }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC881E }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC880U }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC881U }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_AC885U }, 0},
{{ USB_VENDOR_SIERRA, USB_PRODUCT_SIERRA_TRUINSTALL }, DEV_TRUINSTALL},
{{ USB_VENDOR_HP, USB_PRODUCT_HP_HS2300 }, 0},
{{ USB_VENDOR_CMOTECH, USB_PRODUCT_CMOTECH_CNU510 }, 0}, /* ??? */
{{ USB_VENDOR_CMOTECH, USB_PRODUCT_CMOTECH_CCU550 }, 0}, /* ??? */
{{ USB_VENDOR_CMOTECH, USB_PRODUCT_CMOTECH_CGU628 }, DEV_UMASS1},
{{ USB_VENDOR_CMOTECH, USB_PRODUCT_CMOTECH_CGU628_DISK }, 0},
};
#define umsm_lookup(v, p) ((const struct umsm_type *)usb_lookup(umsm_devs, v, p))
struct cfdriver umsm_cd = {
NULL, "umsm", DV_DULL
};
const struct cfattach umsm_ca = {
sizeof(struct umsm_softc),
umsm_match,
umsm_attach,
umsm_detach,
umsm_activate,
};
int
umsm_match(struct device *parent, void *match, void *aux)
{
struct usb_attach_arg *uaa = aux;
usb_interface_descriptor_t *id;
uint16_t flag;
if (uaa->iface == NULL)
return UMATCH_NONE;
/*
* Some devices (eg Huawei E220) have multiple interfaces and some
* of them are of class umass. Don't claim ownership in such case.
*/
if (umsm_lookup(uaa->vendor, uaa->product) != NULL) {
id = usbd_get_interface_descriptor(uaa->iface);
flag = umsm_lookup(uaa->vendor, uaa->product)->umsm_flag;
if (id == NULL || id->bInterfaceClass == UICLASS_MASS) {
/*
* Some high-speed modems require special care.
*/
if (flag & DEV_HUAWEI) {
if (uaa->ifaceno != 2)
return UMATCH_VENDOR_IFACESUBCLASS;
else
return UMATCH_NONE;
} else if (flag & DEV_UMASS) {
return UMATCH_VENDOR_IFACESUBCLASS;
} else if (flag & DEV_TRUINSTALL) {
return UMATCH_VENDOR_IFACESUBCLASS;
} else
return UMATCH_NONE;
} else
return UMATCH_VENDOR_IFACESUBCLASS;
}
return UMATCH_NONE;
}
void
umsm_attach(struct device *parent, struct device *self, void *aux)
{
struct umsm_softc *sc = (struct umsm_softc *)self;
struct usb_attach_arg *uaa = aux;
struct ucom_attach_args uca;
usb_interface_descriptor_t *id;
usb_endpoint_descriptor_t *ed;
int i;
bzero(&uca, sizeof(uca));
sc->sc_udev = uaa->device;
sc->sc_iface = uaa->iface;
sc->sc_flag = umsm_lookup(uaa->vendor, uaa->product)->umsm_flag;
id = usbd_get_interface_descriptor(sc->sc_iface);
/*
* Some 3G modems have multiple interfaces and some of them
* are umass class. Don't claim ownership in such case.
*/
if (id == NULL || id->bInterfaceClass == UICLASS_MASS) {
/*
* Some 3G modems require a special request to
* enable their modem function.
*/
if ((sc->sc_flag & DEV_HUAWEI) && uaa->ifaceno == 0) {
umsm_huawei_changemode(uaa->device);
printf("%s: umass only mode. need to reattach\n",
sc->sc_dev.dv_xname);
} else if ((sc->sc_flag & DEV_TRUINSTALL) &&
uaa->ifaceno == 0) {
umsm_truinstall_changemode(uaa->device);
printf("%s: truinstall mode. need to reattach\n",
sc->sc_dev.dv_xname);
} else if ((sc->sc_flag & DEV_UMASS) && uaa->ifaceno == 0) {
umsm_umass_changemode(sc);
}
/*
* The device will reset its own bus from the device side
* when its mode was changed, so just return.
*/
return;
}
sc->sc_iface_no = id->bInterfaceNumber;
uca.bulkin = uca.bulkout = -1;
sc->sc_intr_number = sc->sc_isize = -1;
for (i = 0; i < id->bNumEndpoints; i++) {
ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
if (ed == NULL) {
printf("%s: no endpoint descriptor found for %d\n",
sc->sc_dev.dv_xname, i);
sc->sc_dying = 1;
return;
}
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);
DPRINTF(("%s: find interrupt endpoint for %s\n",
__func__, sc->sc_dev.dv_xname));
} else 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;
}
if (uca.bulkin == -1 || uca.bulkout == -1) {
printf("%s: missing endpoint\n", sc->sc_dev.dv_xname);
sc->sc_dying = 1;
return;
}
sc->sc_dtr = sc->sc_rts = -1;
/* We need to force size as some devices lie */
uca.ibufsize = UMSMBUFSZ;
uca.obufsize = UMSMBUFSZ;
uca.ibufsizepad = UMSMBUFSZ;
uca.opkthdrlen = 0;
uca.device = sc->sc_udev;
uca.iface = sc->sc_iface;
uca.methods = &umsm_methods;
uca.arg = sc;
uca.info = NULL;
uca.portno = UCOM_UNK_PORTNO;
usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
&sc->sc_dev);
sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch);
}
int
umsm_detach(struct device *self, int flags)
{
struct umsm_softc *sc = (struct umsm_softc *)self;
int rv = 0;
/* close the interrupt endpoint if that is opened */
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);
sc->sc_subdev = NULL;
}
usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
&sc->sc_dev);
return (rv);
}
int
umsm_activate(struct device *self, enum devact act)
{
struct umsm_softc *sc = (struct umsm_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
umsm_open(void *addr, int portno)
{
struct umsm_softc *sc = addr;
int err;
if (sc->sc_dying)
return (ENXIO);
if (sc->sc_intr_number != -1 && sc->sc_intr_pipe == NULL) {
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,
umsm_intr,
UMSM_INTR_INTERVAL);
if (err) {
printf("%s: cannot open interrupt pipe (addr %d)\n",
sc->sc_dev.dv_xname,
sc->sc_intr_number);
return (EIO);
}
}
return (0);
}
void
umsm_close(void *addr, int portno)
{
struct umsm_softc *sc = addr;
int err;
if (sc->sc_dying)
return;
if (sc->sc_intr_pipe != NULL) {
err = usbd_abort_pipe(sc->sc_intr_pipe);
if (err)
printf("%s: abort interrupt pipe failed: %s\n",
sc->sc_dev.dv_xname,
usbd_errstr(err));
err = usbd_close_pipe(sc->sc_intr_pipe);
if (err)
printf("%s: close interrupt pipe failed: %s\n",
sc->sc_dev.dv_xname,
usbd_errstr(err));
free(sc->sc_intr_buf, M_USBDEV);
sc->sc_intr_pipe = NULL;
}
}
void
umsm_intr(usbd_xfer_handle xfer, usbd_private_handle priv,
usbd_status status)
{
struct umsm_softc *sc = priv;
usb_cdc_notification_t *buf;
u_char mstatus;
buf = (usb_cdc_notification_t *)sc->sc_intr_buf;
if (sc->sc_dying)
return;
if (status != USBD_NORMAL_COMPLETION) {
if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
return;
DPRINTF(("%s: umsm_intr: abnormal status: %s\n",
sc->sc_dev.dv_xname, usbd_errstr(status)));
usbd_clear_endpoint_stall_async(sc->sc_intr_pipe);
return;
}
if (buf->bmRequestType != UCDC_NOTIFICATION) {
#if 1 /* test */
printf("%s: this device is not using CDC notify message in intr pipe.\n"
"Please send your dmesg to <bugs@openbsd.org>, thanks.\n",
sc->sc_dev.dv_xname);
printf("%s: intr buffer 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
sc->sc_dev.dv_xname,
sc->sc_intr_buf[0], sc->sc_intr_buf[1],
sc->sc_intr_buf[2], sc->sc_intr_buf[3],
sc->sc_intr_buf[4], sc->sc_intr_buf[5],
sc->sc_intr_buf[6]);
#else
DPRINTF(("%s: umsm_intr: unknown message type(0x%02x)\n",
sc->sc_dev.dv_xname, buf->bmRequestType));
#endif
return;
}
if (buf->bNotification == UCDC_N_SERIAL_STATE) {
/* invalid message length, discard it */
if (UGETW(buf->wLength) != 2)
return;
/* XXX: sc_lsr is always 0 */
sc->sc_lsr = sc->sc_msr = 0;
mstatus = buf->data[0];
if (ISSET(mstatus, UCDC_N_SERIAL_RI))
sc->sc_msr |= UMSR_RI;
if (ISSET(mstatus, UCDC_N_SERIAL_DSR))
sc->sc_msr |= UMSR_DSR;
if (ISSET(mstatus, UCDC_N_SERIAL_DCD))
sc->sc_msr |= UMSR_DCD;
} else if (buf->bNotification != UCDC_N_CONNECTION_SPEED_CHANGE) {
DPRINTF(("%s: umsm_intr: unknown notify message (0x%02x)\n",
sc->sc_dev.dv_xname, buf->bNotification));
return;
}
ucom_status_change((struct ucom_softc *)sc->sc_subdev);
}
void
umsm_get_status(void *addr, int portno, u_char *lsr, u_char *msr)
{
struct umsm_softc *sc = addr;
if (lsr != NULL)
*lsr = sc->sc_lsr;
if (msr != NULL)
*msr = sc->sc_msr;
}
void
umsm_set(void *addr, int portno, int reg, int onoff)
{
struct umsm_softc *sc = addr;
usb_device_request_t req;
int ls;
switch (reg) {
case UCOM_SET_DTR:
if (sc->sc_dtr == onoff)
return;
sc->sc_dtr = onoff;
break;
case UCOM_SET_RTS:
if (sc->sc_rts == onoff)
return;
sc->sc_rts = onoff;
break;
default:
return;
}
/* build a usb request */
ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) |
(sc->sc_rts ? UCDC_LINE_RTS : 0);
req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
req.bRequest = UCDC_SET_CONTROL_LINE_STATE;
USETW(req.wValue, ls);
USETW(req.wIndex, sc->sc_iface_no);
USETW(req.wLength, 0);
(void)usbd_do_request(sc->sc_udev, &req, 0);
}
usbd_status
umsm_huawei_changemode(usbd_device_handle dev)
{
usb_device_request_t req;
usbd_status err;
req.bmRequestType = UT_WRITE_DEVICE;
req.bRequest = UR_SET_FEATURE;
USETW(req.wValue, UF_DEVICE_REMOTE_WAKEUP);
USETW(req.wIndex, E220_MODE_CHANGE_REQUEST);
USETW(req.wLength, 0);
err = usbd_do_request(dev, &req, 0);
if (err)
return (EIO);
return (0);
}
usbd_status
umsm_truinstall_changemode(usbd_device_handle dev)
{
usb_device_request_t req;
usbd_status err;
req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
req.bRequest = TRUINSTALL_CHANGEMODE_REQUEST;
USETW(req.wValue, 0x1);
USETW(req.wIndex, 0);
USETW(req.wLength, 0);
err = usbd_do_request(dev, &req, 0);
if (err)
return (EIO);
return (0);
}
usbd_status
umsm_umass_changemode(struct umsm_softc *sc)
{
#define UMASS_CMD_REZERO_UNIT 0x01
usb_interface_descriptor_t *id;
usb_endpoint_descriptor_t *ed;
usbd_xfer_handle xfer;
usbd_pipe_handle cmdpipe;
usbd_status err;
u_int32_t n;
void *bufp;
int target_ep, i;
umass_bbb_cbw_t cbw;
static int dCBWTag = 0x12345678;
USETDW(cbw.dCBWSignature, CBWSIGNATURE);
USETDW(cbw.dCBWTag, dCBWTag);
cbw.bCBWLUN = 0;
cbw.bCDBLength= 6;
bzero(cbw.CBWCDB, sizeof(cbw.CBWCDB));
switch (sc->sc_flag) {
case DEV_UMASS1:
USETDW(cbw.dCBWDataTransferLength, 0x0);
cbw.bCBWFlags = CBWFLAGS_OUT;
cbw.CBWCDB[0] = UMASS_CMD_REZERO_UNIT;
cbw.CBWCDB[1] = 0x0; /* target LUN: 0 */
break;
case DEV_UMASS2:
USETDW(cbw.dCBWDataTransferLength, 0x1);
cbw.bCBWFlags = CBWFLAGS_IN;
cbw.CBWCDB[0] = UMASS_CMD_REZERO_UNIT;
cbw.CBWCDB[1] = 0x0; /* target LUN: 0 */
break;
case DEV_UMASS3: /* longcheer */
USETDW(cbw.dCBWDataTransferLength, 0x80);
cbw.bCBWFlags = CBWFLAGS_IN;
cbw.CBWCDB[0] = 0x06;
cbw.CBWCDB[1] = 0xf5;
cbw.CBWCDB[2] = 0x04;
cbw.CBWCDB[3] = 0x02;
cbw.CBWCDB[4] = 0x52;
cbw.CBWCDB[5] = 0x70;
break;
default:
DPRINTF(("%s: unknown device type.\n", sc->sc_dev.dv_xname));
break;
}
/* get command endpoint address */
id = usbd_get_interface_descriptor(sc->sc_iface);
for (i = 0; i < id->bNumEndpoints; i++) {
ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i);
if (ed == NULL) {
return (USBD_IOERROR);
}
if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
target_ep = ed->bEndpointAddress;
}
/* open command endppoint */
err = usbd_open_pipe(sc->sc_iface, target_ep,
USBD_EXCLUSIVE_USE, &cmdpipe);
if (err) {
DPRINTF(("%s: open pipe for modem change cmd failed: %s\n",
sc->sc_dev.dv_xname, usbd_errstr(err)));
return (err);
}
xfer = usbd_alloc_xfer(sc->sc_udev);
if (xfer == NULL) {
usbd_close_pipe(cmdpipe);
return (USBD_NOMEM);
} else {
bufp = usbd_alloc_buffer(xfer, UMASS_BBB_CBW_SIZE);
if (bufp == NULL)
err = USBD_NOMEM;
else {
n = UMASS_BBB_CBW_SIZE;
memcpy(bufp, &cbw, UMASS_BBB_CBW_SIZE);
err = usbd_bulk_transfer(xfer, cmdpipe, USBD_NO_COPY,
USBD_NO_TIMEOUT, bufp, &n, "umsm");
if (err)
DPRINTF(("%s: send error:%s", __func__,
usbd_errstr(err)));
}
usbd_close_pipe(cmdpipe);
usbd_free_buffer(xfer);
usbd_free_xfer(xfer);
}
return (err);
}