/* $NetBSD: umodem.c,v 1.45 2002/09/23 05:51:23 simonb Exp $ */ #include __FBSDID("$FreeBSD$"); /*- * Copyright (c) 2005, Takanori Watanabe * Copyright (c) 2003, M. Warner Losh . * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #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; }