[Midnightbsd-cvs] src: ufoma.c: usb modems are neat
laffer1 at midnightbsd.org
laffer1 at midnightbsd.org
Sat Nov 29 17:03:40 EST 2008
Log Message:
-----------
usb modems are neat
Added Files:
-----------
src/sys/dev/usb:
ufoma.c (r1.1)
-------------- next part --------------
--- /dev/null
+++ sys/dev/usb/ufoma.c
@@ -0,0 +1,1104 @@
+/* $NetBSD: umodem.c,v 1.45 2002/09/23 05:51:23 simonb Exp $ */
+
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD: src/sys/dev/usb/ufoma.c,v 1.10 2007/07/27 12:00:29 takawata Exp $");
+/*-
+ * Copyright (c) 2005, Takanori Watanabe
+ * Copyright (c) 2003, M. Warner Losh <imp at 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 at 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;
+}
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