freebsd-dev/sys/dev/usb/ufoma.c
2007-07-27 12:00:29 +00:00

1105 lines
28 KiB
C

/* $NetBSD: umodem.c,v 1.45 2002/09/23 05:51:23 simonb Exp $ */
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
/*-
* Copyright (c) 2005, Takanori Watanabe
* Copyright (c) 2003, M. Warner Losh <imp@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.
*/
/*-
* Copyright (c) 1998 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.
*/
/*
* Comm Class spec: http://www.usb.org/developers/devclass_docs/usbccs10.pdf
* http://www.usb.org/developers/devclass_docs/usbcdc11.pdf
*/
/*
* TODO:
* - Add error recovery in various places; the big problem is what
* to do in a callback if there is an error.
* - Implement a Call Device for modems without multiplexed commands.
*
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/ioccom.h>
#include <sys/conf.h>
#include <sys/serial.h>
#include <sys/tty.h>
#include <sys/clist.h>
#include <sys/file.h>
#include <sys/select.h>
#include <sys/sysctl.h>
#include <sys/proc.h>
#include <sys/bus.h>
#include <sys/sbuf.h>
#include <sys/poll.h>
#include <sys/uio.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 <dev/usb/usb_quirks.h>
#include <dev/usb/ucomvar.h>
#include "usbdevs.h"
typedef struct ufoma_mobile_acm_descriptor{
uByte bFunctionLength;
uByte bDescriptorType;
uByte bDescriptorSubtype;
uByte bType;
uByte bMode[1];
}usb_mcpc_acm_descriptor;
#define UISUBCLASS_MCPC 0x88
#define UDESC_VS_INTERFACE 0x44
#define UDESCSUB_MCPC_ACM 0x11
#define UMCPC_ACM_TYPE_AB1 0x1
#define UMCPC_ACM_TYPE_AB2 0x2
#define UMCPC_ACM_TYPE_AB5 0x5
#define UMCPC_ACM_TYPE_AB6 0x6
#define UMCPC_ACM_MODE_DEACTIVATED 0x0
#define UMCPC_ACM_MODE_MODEM 0x1
#define UMCPC_ACM_MODE_ATCOMMAND 0x2
#define UMCPC_ACM_MODE_OBEX 0x60
#define UMCPC_ACM_MODE_VENDOR1 0xc0
#define UMCPC_ACM_MODE_VENDOR2 0xfe
#define UMCPC_ACM_MODE_UNLINKED 0xff
#define UMCPC_CM_MOBILE_ACM 0x0
#define UMCPC_ACTIVATE_MODE 0x60
#define UMCPC_GET_MODETABLE 0x61
#define UMCPC_SET_LINK 0x62
#define UMCPC_CLEAR_LINK 0x63
#define UMCPC_REQUEST_ACKNOLEDGE 0x31
#define UFOMA_MAX_TIMEOUT 15 /*Standard says 10(sec)*/
#define UFOMA_CMD_BUF_SIZE 64
#define UMODEMIBUFSIZE 64
#define UMODEMOBUFSIZE 256
#define DPRINTF(a)
struct ufoma_softc{
struct ucom_softc sc_ucom;
int sc_is_ucom;
int sc_isopen;
struct mtx sc_mtx;
int sc_ctl_iface_no;
usbd_interface_handle sc_ctl_iface;
usbd_interface_handle sc_data_iface;
int sc_data_iface_no;
int sc_cm_cap;
int sc_acm_cap;
usb_cdc_line_state_t sc_line_state; /* current line state */
u_char sc_dtr; /* current DTR state */
u_char sc_rts; /* current RTS state */
usbd_pipe_handle sc_notify_pipe;
usb_cdc_notification_t sc_notify_buf;
u_char sc_lsr;
u_char sc_msr;
struct task sc_task;
uByte *sc_modetable;
uByte sc_modetoactivate;
uByte sc_currentmode;
char sc_resbuffer[UFOMA_CMD_BUF_SIZE+1];
int sc_cmdbp;
int sc_nummsg;
usbd_xfer_handle sc_msgxf;
};
static usbd_status
ufoma_set_line_coding(struct ufoma_softc *sc, usb_cdc_line_state_t *state);
static device_probe_t ufoma_match;
static device_attach_t ufoma_attach;
static device_detach_t ufoma_detach;
static void *ufoma_get_intconf(usb_config_descriptor_t *cd, usb_interface_descriptor_t *id,int type, int subtype);
static void ufoma_notify(void * ,int count);
static void ufoma_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
static char *ufoma_mode_to_str(int);
static int ufoma_str_to_mode(char *);
/*Pseudo ucom stuff*/
static int ufoma_init_pseudo_ucom(struct ufoma_softc *);
static t_open_t ufomaopen;
static t_close_t ufomaclose;
static t_oproc_t ufomastart;
/*umodem like stuff*/
static int ufoma_init_modem(struct ufoma_softc *, struct usb_attach_arg *);
static void ufoma_get_status(void *, int portno, u_char *lst, u_char *msr);
static void ufoma_set(void *, int portno, int reg, int onoff);
static int ufoma_param(void *, int portno, struct termios *);
static int ufoma_ucom_open(void *, int portno);
static void ufoma_ucom_close(void *, int portno);
static void ufoma_break(struct ufoma_softc *sc, int onoff);
static void ufoma_dtr(struct ufoma_softc *sc, int onoff);
static void ufoma_rts(struct ufoma_softc *sc, int onoff);
/*sysctl stuff*/
static int ufoma_sysctl_support(SYSCTL_HANDLER_ARGS);
static int ufoma_sysctl_current(SYSCTL_HANDLER_ARGS);
static int ufoma_sysctl_open(SYSCTL_HANDLER_ARGS);
static struct ucom_callback ufoma_callback = {
ufoma_get_status,
ufoma_set,
ufoma_param,
NULL,
ufoma_ucom_open,
ufoma_ucom_close,
NULL,
NULL,
};
static device_method_t ufoma_methods[] = {
/**/
DEVMETHOD(device_probe, ufoma_match),
DEVMETHOD(device_attach, ufoma_attach),
DEVMETHOD(device_detach, ufoma_detach),
{0, 0}
};
struct umcpc_modetostr_tab{
int mode;
char *str;
}umcpc_modetostr_tab[]={
{UMCPC_ACM_MODE_DEACTIVATED, "deactivated"},
{UMCPC_ACM_MODE_MODEM, "modem"},
{UMCPC_ACM_MODE_ATCOMMAND, "handsfree"},
{UMCPC_ACM_MODE_OBEX, "obex"},
{UMCPC_ACM_MODE_VENDOR1, "vendor1"},
{UMCPC_ACM_MODE_VENDOR2, "vendor2"},
{UMCPC_ACM_MODE_UNLINKED, "unlinked"},
{0, NULL}
};
static driver_t ufoma_driver = {
"ucom",
ufoma_methods,
sizeof(struct ufoma_softc)
};
DRIVER_MODULE(ufoma, uhub, ufoma_driver, ucom_devclass, usbd_driver_load, 0);
MODULE_DEPEND(ufoma, usb, 1, 1, 1);
MODULE_DEPEND(ufoma, ucom, UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER);
static int
ufoma_match(device_t self)
{
struct usb_attach_arg *uaa = device_get_ivars(self);
usb_interface_descriptor_t *id;
usb_config_descriptor_t *cd;
usb_mcpc_acm_descriptor *mad;
int ret;
ret = UMATCH_NONE;
if(uaa->iface == NULL)
return(UMATCH_NONE);
id = usbd_get_interface_descriptor(uaa->iface);
cd = usbd_get_config_descriptor(uaa->device);
if(id == NULL || cd == NULL)
return (UMATCH_NONE);
if( id->bInterfaceClass == UICLASS_CDC &&
id->bInterfaceSubClass == UISUBCLASS_MCPC){
ret = (UMATCH_IFACECLASS_IFACESUBCLASS);
}else{
return UMATCH_NONE;
}
mad = ufoma_get_intconf(cd, id , UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM);
if(mad == NULL){
return (UMATCH_NONE);
}
#if 0
if(mad->bType != UMCPC_ACM_TYPE_AB5){
return UMATCH_NONE;
}
#endif
return ret;
}
static int
ufoma_attach(device_t self)
{
struct ufoma_softc *sc = device_get_softc(self);
struct usb_attach_arg *uaa = device_get_ivars(self);
usbd_device_handle dev = uaa->device;
usb_config_descriptor_t *cd;
usb_interface_descriptor_t *id;
usb_endpoint_descriptor_t *ed;
usb_mcpc_acm_descriptor *mad;
struct ucom_softc *ucom = &sc->sc_ucom;
const char *devname,*modename;
int ctl_notify;
int i,err;
int elements;
uByte *mode;
struct sysctl_ctx_list *sctx;
struct sysctl_oid *soid;
ucom->sc_dev = self;
ucom->sc_udev = dev;
sc->sc_ctl_iface = uaa->iface;
mtx_init(&sc->sc_mtx, "ufoma", NULL, MTX_DEF);
cd = usbd_get_config_descriptor(ucom->sc_udev);
id = usbd_get_interface_descriptor(sc->sc_ctl_iface);
sc->sc_ctl_iface_no = id->bInterfaceNumber;
devname = device_get_nameunit(self);
device_printf(self, "iclass %d/%d ifno:%d\n",
id->bInterfaceClass, id->bInterfaceSubClass, sc->sc_ctl_iface_no);
ctl_notify = -1;
for (i = 0; i < id->bNumEndpoints; i++) {
ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i);
if (ed == NULL)
continue;
if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
(ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) {
ctl_notify = ed->bEndpointAddress;
}
}
if(ctl_notify== -1){
/*NOTIFY is mandatory.*/
printf("NOTIFY interface not found\n");
goto error;
}
err = usbd_open_pipe_intr(sc->sc_ctl_iface, ctl_notify,
USBD_SHORT_XFER_OK, &sc->sc_notify_pipe, sc, &sc->sc_notify_buf,
sizeof(sc->sc_notify_buf), ufoma_intr, USBD_DEFAULT_INTERVAL);
if(err){
printf("PIPE open error %d\n", err);
goto error;
}
mad = ufoma_get_intconf(cd, id , UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM);
if(mad ==NULL){
goto error;
}
printf("%s:Supported Mode:", devname);
for(mode = mad->bMode;
mode < ((uByte *)mad + mad->bFunctionLength); mode++){
modename = ufoma_mode_to_str(*mode);
if(modename){
printf("%s", ufoma_mode_to_str(*mode));
}else{
printf("(%x)", *mode);
}
if(mode != ((uByte*)mad + mad->bFunctionLength-1)){
printf(",");
}
}
printf("\n");
if((mad->bType == UMCPC_ACM_TYPE_AB5)
||(mad->bType == UMCPC_ACM_TYPE_AB6)){
/*These does not have data interface*/
sc->sc_is_ucom = 0;
ufoma_init_pseudo_ucom(sc);
}else{
if(ufoma_init_modem(sc, uaa)){
goto error;
}
}
elements = mad->bFunctionLength - sizeof(*mad)+1;
sc->sc_msgxf = usbd_alloc_xfer(ucom->sc_udev);
sc->sc_nummsg = 0;
/*Initialize Mode vars.*/
sc->sc_modetable = malloc(elements + 1, M_USBDEV, M_WAITOK);
sc->sc_modetable[0] = elements + 1;
bcopy(mad->bMode, &sc->sc_modetable[1], elements);
sc->sc_currentmode = UMCPC_ACM_MODE_UNLINKED;
sc->sc_modetoactivate = mad->bMode[0];
/*Sysctls*/
sctx = device_get_sysctl_ctx(self);
soid = device_get_sysctl_tree(self);
SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "supportmode",
CTLFLAG_RD|CTLTYPE_STRING, sc, 0, ufoma_sysctl_support,
"A", "Supporting port role");
SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "currentmode",
CTLFLAG_RD|CTLTYPE_STRING, sc, 0, ufoma_sysctl_current,
"A", "Current port role");
SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "openmode",
CTLFLAG_RW|CTLTYPE_STRING, sc, 0, ufoma_sysctl_open,
"A", "Mode to transit when port is opened");
return 0;
error:
if(sc->sc_modetable)
free(sc->sc_modetable, M_USBDEV);
return EIO;
}
static int
ufoma_detach(device_t self)
{
struct ufoma_softc *sc = device_get_softc(self);
int rv = 0;
usbd_free_xfer(sc->sc_msgxf);
sc->sc_ucom.sc_dying = 1;
usbd_abort_pipe(sc->sc_notify_pipe);
usbd_close_pipe(sc->sc_notify_pipe);
if(sc->sc_is_ucom)
ucom_detach(&sc->sc_ucom);
else
ttyfree(sc->sc_ucom.sc_tty);
free(sc->sc_modetable, M_USBDEV);
return rv;
}
static char *ufoma_mode_to_str(int mode)
{
int i;
for(i = 0 ;umcpc_modetostr_tab[i].str != NULL; i++){
if(umcpc_modetostr_tab[i].mode == mode){
return umcpc_modetostr_tab[i].str;
}
}
return NULL;
}
static int ufoma_str_to_mode(char *str)
{
int i;
for(i = 0 ;umcpc_modetostr_tab[i].str != NULL; i++){
if(strcmp(str, umcpc_modetostr_tab[i].str)==0){
return umcpc_modetostr_tab[i].mode;
}
}
return -1;
}
static void *ufoma_get_intconf( usb_config_descriptor_t *cd,
usb_interface_descriptor_t *id, int type, int subtype)
{
uByte *p, *end;
usb_descriptor_t *ud=NULL;
int flag=0;
for(p = (uByte *)cd,end = p + UGETW(cd->wTotalLength); p < end;
p += ud->bLength){
ud = (usb_descriptor_t *)p;
if(flag && ud->bDescriptorType==UDESC_INTERFACE){
return NULL;
}
/*Read through this interface desc.*/
if(bcmp(p, id, sizeof(*id))==0){
flag=1;
continue;
}
if(flag==0)
continue;
if(ud->bDescriptorType == type
&& ud->bDescriptorSubtype == subtype){
break;
}
}
return ud;
}
static int ufoma_link_state(struct ufoma_softc *sc)
{
usb_device_request_t req;
struct ucom_softc *ucom = &sc->sc_ucom;
int err;
req.bmRequestType = UT_WRITE_VENDOR_INTERFACE;
req.bRequest = UMCPC_SET_LINK;
USETW(req.wValue, UMCPC_CM_MOBILE_ACM);
USETW(req.wIndex, sc->sc_ctl_iface_no);
USETW(req.wLength, sc->sc_modetable[0]);
err = usbd_do_request(ucom->sc_udev, &req, sc->sc_modetable);
if(err){
printf("SET_LINK:%d\n", err);
return EIO;
}
err = tsleep(&sc->sc_currentmode, PZERO|PCATCH, "fmalnk", hz);
if(err){
printf("NO response");
return EIO;
}
if(sc->sc_currentmode != UMCPC_ACM_MODE_DEACTIVATED){
return EIO;
}
return 0;
}
static int ufoma_activate_state(struct ufoma_softc *sc, int state)
{
usb_device_request_t req;
int err;
struct ucom_softc *ucom = &sc->sc_ucom;
req.bmRequestType = UT_WRITE_VENDOR_INTERFACE;
req.bRequest = UMCPC_ACTIVATE_MODE;
USETW(req.wValue, state);
USETW(req.wIndex, sc->sc_ctl_iface_no);
USETW(req.wLength, 0);
err = usbd_do_request(ucom->sc_udev, &req, NULL);
if(err){
printf("%s:ACTIVATE:%s\n", device_get_nameunit(ucom->sc_dev), usbd_errstr(err));
return EIO;
}
err = tsleep(&sc->sc_currentmode, PZERO|PCATCH, "fmaact", UFOMA_MAX_TIMEOUT*hz);
if(err){
printf("%s:NO response", device_get_nameunit(ucom->sc_dev));
return EIO;
}
if(sc->sc_currentmode != state){
return EIO;
}
return 0;
}
static inline void ufoma_setup_msg_req(struct ufoma_softc *sc, usb_device_request_t *req)
{
req->bmRequestType = UT_READ_CLASS_INTERFACE;
req->bRequest = UCDC_GET_ENCAPSULATED_RESPONSE;
USETW(req->wIndex, sc->sc_ctl_iface_no);
USETW(req->wValue, 0);
USETW(req->wLength, UFOMA_CMD_BUF_SIZE);
}
static void ufoma_msg(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
{
usb_device_request_t req;
struct ufoma_softc *sc = priv;
int actlen,i;
struct ucom_softc *ucom= &sc->sc_ucom;
usbd_get_xfer_status(xfer, NULL, NULL, &actlen ,NULL);
ufoma_setup_msg_req(sc, &req);
mtx_lock(&sc->sc_mtx);
for(i = 0;i < actlen; i++){
if(sc->sc_ucom.sc_tty->t_state & TS_ISOPEN)
ttyld_rint(sc->sc_ucom.sc_tty, sc->sc_resbuffer[i]);
}
sc->sc_nummsg--;
if(sc->sc_nummsg){
usbd_setup_default_xfer(sc->sc_msgxf, ucom->sc_udev,
priv, USBD_DEFAULT_TIMEOUT, &req,
sc->sc_resbuffer,
UFOMA_CMD_BUF_SIZE,
0, ufoma_msg);
usbd_transfer(sc->sc_msgxf);
}
mtx_unlock(&sc->sc_mtx);
}
static void ufoma_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
{
struct ufoma_softc *sc = priv;
unsigned int a;
struct ucom_softc *ucom =&sc->sc_ucom;
usb_device_request_t req;
ufoma_setup_msg_req(sc, &req);
u_char mstatus;
if (sc->sc_ucom.sc_dying)
return;
if (status != USBD_NORMAL_COMPLETION) {
if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
return;
printf("%s: abnormal status: %s\n", device_get_nameunit(ucom->sc_dev),
usbd_errstr(status));
return;
}
if((sc->sc_notify_buf.bmRequestType == UT_READ_VENDOR_INTERFACE)&&
(sc->sc_notify_buf.bNotification == UMCPC_REQUEST_ACKNOLEDGE)){
a = UGETW(sc->sc_notify_buf.wValue);
sc->sc_currentmode = a>>8;
if(!(a&0xff)){
printf("%s:Mode change Failed\n", device_get_nameunit(ucom->sc_dev));
}
wakeup(&sc->sc_currentmode);
}
if(sc->sc_notify_buf.bmRequestType != UCDC_NOTIFICATION){
return;
}
switch(sc->sc_notify_buf.bNotification){
case UCDC_N_RESPONSE_AVAILABLE:
if(sc->sc_is_ucom){
printf("%s:wrong response request?\n", device_get_nameunit(ucom->sc_dev));
break;
}
mtx_lock(&sc->sc_mtx);
if(!sc->sc_nummsg){
usbd_setup_default_xfer(sc->sc_msgxf, ucom->sc_udev,
priv, USBD_DEFAULT_TIMEOUT, &req, sc->sc_resbuffer,
UFOMA_CMD_BUF_SIZE,
0, ufoma_msg);
usbd_transfer(sc->sc_msgxf);
}
sc->sc_nummsg++;
mtx_unlock(&sc->sc_mtx);
break;
case UCDC_N_SERIAL_STATE:
if(!sc->sc_is_ucom){
printf("%s:wrong sereal request?\n",device_get_nameunit(ucom->sc_dev));
break;
}
/*
* Set the serial state in ucom driver based on
* the bits from the notify message
*/
if (UGETW(sc->sc_notify_buf.wLength) != 2) {
printf("%s: Invalid notification length! (%d)\n",
device_get_nameunit(ucom->sc_dev),
UGETW(sc->sc_notify_buf.wLength));
break;
}
DPRINTF(("%s: notify bytes = %02x%02x\n",
device_get_nameunit(ucom->sc_dev),
sc->sc_notify_buf.data[0],
sc->sc_notify_buf.data[1]));
/* Currently, lsr is always zero. */
sc->sc_lsr = sc->sc_msr = 0;
mstatus = sc->sc_notify_buf.data[0];
if (ISSET(mstatus, UCDC_N_SERIAL_RI))
sc->sc_msr |= SER_RI;
if (ISSET(mstatus, UCDC_N_SERIAL_DSR))
sc->sc_msr |= SER_DSR;
if (ISSET(mstatus, UCDC_N_SERIAL_DCD))
sc->sc_msr |= SER_DCD;
/* Deferred notifying to the ucom layer */
taskqueue_enqueue(taskqueue_swi_giant, &sc->sc_task);
break;
default:
break;
}
}
static int ufoma_init_pseudo_ucom(struct ufoma_softc *sc)
{
struct tty *tp;
struct ucom_softc *ucom = &sc->sc_ucom;
tp = ucom->sc_tty = ttyalloc();
tp->t_sc = sc;
tp->t_oproc = ufomastart;
tp->t_stop = nottystop;
tp->t_open = ufomaopen;
tp->t_close = ufomaclose;
ttycreate(tp, TS_CALLOUT, "U%d", device_get_unit(ucom->sc_dev));
return 0;
}
static int ufomaopen(struct tty * tty, struct cdev *cdev)
{
struct ufoma_softc *sc = tty->t_sc;
if(sc->sc_ucom.sc_dying)
return (ENXIO);
mtx_lock(&sc->sc_mtx);
if(sc->sc_isopen){
mtx_unlock(&sc->sc_mtx);
return EBUSY;
}
mtx_unlock(&sc->sc_mtx);
return ufoma_ucom_open(sc, 0);
}
static void ufomaclose(struct tty *tty)
{
struct ufoma_softc *sc = tty->t_sc;
ufoma_ucom_close(sc, 0);
}
static void ufomastart(struct tty *tp)
{
struct ufoma_softc *sc = tp->t_sc;
struct ucom_softc *ucom = &sc->sc_ucom;
usb_device_request_t req;
int x;
uByte c;
x = spltty();
if(tp->t_state & (TS_TIMEOUT | TS_TTSTOP)){
ttwwakeup(tp);
return;
}
tp->t_state |= TS_BUSY;
while(tp->t_outq.c_cc != 0){
c = getc(&tp->t_outq);
req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND;
USETW(req.wIndex, sc->sc_ctl_iface_no);
USETW(req.wValue, 0);
USETW(req.wLength, 1);
usbd_do_request(ucom->sc_udev, &req, &c);
}
tp->t_state &= ~TS_BUSY;
ttwwakeup(tp);
splx(x);
}
static int ufoma_ucom_open(void *p, int portno)
{
struct ufoma_softc *sc = p;
if(sc->sc_currentmode == UMCPC_ACM_MODE_UNLINKED){
ufoma_link_state(sc);
}
sc->sc_cmdbp = 0;
if(sc->sc_currentmode == UMCPC_ACM_MODE_DEACTIVATED){
ufoma_activate_state(sc, sc->sc_modetoactivate);
}
return 0;
}
static void ufoma_ucom_close(void *p, int portno)
{
struct ufoma_softc *sc = p;
ufoma_activate_state(sc, UMCPC_ACM_MODE_DEACTIVATED);
return ;
}
void
ufoma_break(struct ufoma_softc *sc, int onoff)
{
usb_device_request_t req;
struct ucom_softc *ucom = &sc->sc_ucom;
DPRINTF(("ufoma_break: onoff=%d\n", onoff));
if (!(sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK))
return;
req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
req.bRequest = UCDC_SEND_BREAK;
USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF);
USETW(req.wIndex, sc->sc_ctl_iface_no);
USETW(req.wLength, 0);
(void)usbd_do_request(ucom->sc_udev, &req, 0);
}
void
ufoma_get_status(void *addr, int portno, u_char *lsr, u_char *msr)
{
struct ufoma_softc *sc = addr;
if (lsr != NULL)
*lsr = sc->sc_lsr;
if (msr != NULL)
*msr = sc->sc_msr;
}
static void ufoma_set(void * addr, int portno, int reg, int onoff)
{
struct ufoma_softc *sc = addr;
switch (reg) {
case UCOM_SET_DTR:
ufoma_dtr(sc, onoff);
break;
case UCOM_SET_RTS:
ufoma_rts(sc, onoff);
break;
case UCOM_SET_BREAK:
ufoma_break(sc, onoff);
break;
default:
break;
}
}
static void
ufoma_set_line_state(struct ufoma_softc *sc)
{
usb_device_request_t req;
struct ucom_softc *ucom = &sc->sc_ucom;
int ls;
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_ctl_iface_no);
USETW(req.wLength, 0);
(void)usbd_do_request(ucom->sc_udev, &req, 0);
}
void
ufoma_dtr(struct ufoma_softc *sc, int onoff)
{
DPRINTF(("ufoma_foma: onoff=%d\n", onoff));
if (sc->sc_dtr == onoff)
return;
sc->sc_dtr = onoff;
ufoma_set_line_state(sc);
}
void
ufoma_rts(struct ufoma_softc *sc, int onoff)
{
DPRINTF(("ufoma_foma: onoff=%d\n", onoff));
if (sc->sc_rts == onoff)
return;
sc->sc_rts = onoff;
ufoma_set_line_state(sc);
}
usbd_status
ufoma_set_line_coding(struct ufoma_softc *sc, usb_cdc_line_state_t *state)
{
usbd_status err;
usb_device_request_t req;
struct ucom_softc *ucom = &sc->sc_ucom;
DPRINTF(("ufoma_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n",
UGETDW(state->dwDTERate), state->bCharFormat,
state->bParityType, state->bDataBits));
if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) {
DPRINTF(("ufoma_set_line_coding: already set\n"));
return (USBD_NORMAL_COMPLETION);
}
req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
req.bRequest = UCDC_SET_LINE_CODING;
USETW(req.wValue, 0);
USETW(req.wIndex, sc->sc_ctl_iface_no);
USETW(req.wLength, UCDC_LINE_STATE_LENGTH);
err = usbd_do_request(ucom->sc_udev, &req, state);
if (err) {
DPRINTF(("ufoma_set_line_coding: failed, err=%s\n",
usbd_errstr(err)));
return (err);
}
sc->sc_line_state = *state;
return (USBD_NORMAL_COMPLETION);
}
static int
ufoma_param(void *addr, int portno, struct termios *t)
{
struct ufoma_softc *sc = addr;
usbd_status err;
usb_cdc_line_state_t ls;
DPRINTF(("ufoma_param: sc=%p\n", sc));
USETDW(ls.dwDTERate, t->c_ospeed);
if (ISSET(t->c_cflag, CSTOPB))
ls.bCharFormat = UCDC_STOP_BIT_2;
else
ls.bCharFormat = UCDC_STOP_BIT_1;
if (ISSET(t->c_cflag, PARENB)) {
if (ISSET(t->c_cflag, PARODD))
ls.bParityType = UCDC_PARITY_ODD;
else
ls.bParityType = UCDC_PARITY_EVEN;
} else
ls.bParityType = UCDC_PARITY_NONE;
switch (ISSET(t->c_cflag, CSIZE)) {
case CS5:
ls.bDataBits = 5;
break;
case CS6:
ls.bDataBits = 6;
break;
case CS7:
ls.bDataBits = 7;
break;
case CS8:
ls.bDataBits = 8;
break;
}
err = ufoma_set_line_coding(sc, &ls);
if (err) {
DPRINTF(("ufoma_param: err=%s\n", usbd_errstr(err)));
return (ENOTTY);
}
return (0);
}
static int ufoma_init_modem(struct ufoma_softc *sc,struct usb_attach_arg *uaa)
{
struct ucom_softc *ucom = &sc->sc_ucom;
usb_config_descriptor_t *cd;
usb_cdc_acm_descriptor_t *acm;
usb_cdc_cm_descriptor_t *cmd;
usb_endpoint_descriptor_t *ed;
usb_interface_descriptor_t *id;
const char *devname = device_get_nameunit(ucom->sc_dev);
int i;
cd = usbd_get_config_descriptor(ucom->sc_udev);
id = usbd_get_interface_descriptor(sc->sc_ctl_iface);
sc->sc_is_ucom = 1;
cmd = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_CM);
if(cmd == NULL)
return -1;
sc->sc_cm_cap = cmd->bmCapabilities;
acm = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_ACM);
if(acm == NULL)
return -1;
sc->sc_acm_cap = acm->bmCapabilities;
sc->sc_data_iface_no = cmd->bDataInterface;
printf("%s: data interface %d, has %sCM over data, has %sbreak\n",
devname, sc->sc_data_iface_no,
sc->sc_cm_cap & USB_CDC_CM_OVER_DATA ? "" : "no ",
sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK ? "" : "no ");
for(i = 0; i < uaa->nifaces; i++){
if(!uaa->ifaces[i])
continue;
id = usbd_get_interface_descriptor(uaa->ifaces[i]);
if(id != NULL &&
id->bInterfaceNumber == sc->sc_data_iface_no){
sc->sc_data_iface = uaa->ifaces[i];
//uaa->ifaces[i] = NULL;
}
}
ucom->sc_iface = sc->sc_data_iface;
ucom->sc_bulkin_no = ucom->sc_bulkout_no = -1;
id = usbd_get_interface_descriptor(sc->sc_data_iface);
for(i = 0 ; i < id->bNumEndpoints; i++){
ed = usbd_interface2endpoint_descriptor(sc->sc_data_iface, i);
if(ed == NULL){
printf("%s: endpoint descriptor for %d\n",
devname,i);
return -1;
}
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;
}
}
if (ucom->sc_bulkin_no == -1) {
printf("%s: Could not find data bulk in\n", devname);
return -1;
}
if (ucom->sc_bulkout_no == -1) {
printf("%s: Could not find data bulk out\n", devname);
return -1;
}
sc->sc_dtr = -1;
ucom->sc_parent = sc;
ucom->sc_portno = UCOM_UNK_PORTNO;
/* bulkin, bulkout set above */
ucom->sc_ibufsize = UMODEMIBUFSIZE;
ucom->sc_obufsize = UMODEMOBUFSIZE;
ucom->sc_ibufsizepad = UMODEMIBUFSIZE;
ucom->sc_opkthdrlen = 0;
ucom->sc_callback = &ufoma_callback;
TASK_INIT(&sc->sc_task, 0, ufoma_notify, sc);
ucom_attach(&sc->sc_ucom);
return 0;
}
static void
ufoma_notify(void *arg, int count)
{
struct ufoma_softc *sc;
sc = (struct ufoma_softc *)arg;
if (sc->sc_ucom.sc_dying)
return;
ucom_status_change(&sc->sc_ucom);
}
static int ufoma_sysctl_support(SYSCTL_HANDLER_ARGS)
{
struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1;
struct sbuf sb;
int i;
char *mode;
sbuf_new(&sb, NULL, 1, SBUF_AUTOEXTEND);
for(i = 1; i < sc->sc_modetable[0]; i++){
mode = ufoma_mode_to_str(sc->sc_modetable[i]);
if(mode !=NULL){
sbuf_cat(&sb, mode);
}else{
sbuf_printf(&sb, "(%02x)", sc->sc_modetable[i]);
}
if(i < (sc->sc_modetable[0]-1))
sbuf_cat(&sb, ",");
}
sbuf_trim(&sb);
sbuf_finish(&sb);
sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req);
sbuf_delete(&sb);
return 0;
}
static int ufoma_sysctl_current(SYSCTL_HANDLER_ARGS)
{
struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1;
char *mode;
char subbuf[]="(XXX)";
mode = ufoma_mode_to_str(sc->sc_currentmode);
if(!mode){
mode = subbuf;
snprintf(subbuf, sizeof(subbuf), "(%02x)", sc->sc_currentmode);
}
sysctl_handle_string(oidp, mode, strlen(mode), req);
return 0;
}
static int ufoma_sysctl_open(SYSCTL_HANDLER_ARGS)
{
struct ufoma_softc *sc = (struct ufoma_softc *)oidp->oid_arg1;
char *mode;
char subbuf[40];
int newmode;
int error;
int i;
mode = ufoma_mode_to_str(sc->sc_modetoactivate);
if(mode){
strncpy(subbuf, mode, sizeof(subbuf));
}else{
snprintf(subbuf, sizeof(subbuf), "(%02x)", sc->sc_modetoactivate);
}
error = sysctl_handle_string(oidp, subbuf, sizeof(subbuf), req);
if(error != 0 || req->newptr == NULL){
return error;
}
if((newmode = ufoma_str_to_mode(subbuf)) == -1){
return EINVAL;
}
for(i = 1 ; i < sc->sc_modetable[0] ; i++){
if(sc->sc_modetable[i] == newmode){
sc->sc_modetoactivate = newmode;
return 0;
}
}
return EINVAL;
}