/* $NetBSD: umodem.c,v 1.45 2002/09/23 05:51:23 simonb Exp $ */ #include #define UFOMA_HANDSFREE /*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2005, Takanori Watanabe All rights reserved. * Copyright (c) 2003 M. Warner Losh * * 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. * * 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: * - Implement a Call Device for modems without multiplexed commands. */ /* * NOTE: all function names beginning like "ufoma_cfg_" can only * be called from within the config thread function ! */ #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" #define USB_DEBUG_VAR usb_debug #include #include #include typedef struct ufoma_mobile_acm_descriptor { uint8_t bFunctionLength; uint8_t bDescriptorType; uint8_t bDescriptorSubtype; uint8_t bType; uint8_t bMode[1]; } __packed 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_ACKNOWLEDGE 0x31 #define UFOMA_MAX_TIMEOUT 15 /* standard says 10 seconds */ #define UFOMA_CMD_BUF_SIZE 64 /* bytes */ #define UFOMA_BULK_BUF_SIZE 1024 /* bytes */ enum { UFOMA_CTRL_ENDPT_INTR, UFOMA_CTRL_ENDPT_READ, UFOMA_CTRL_ENDPT_WRITE, UFOMA_CTRL_ENDPT_MAX, }; enum { UFOMA_BULK_ENDPT_WRITE, UFOMA_BULK_ENDPT_READ, UFOMA_BULK_ENDPT_MAX, }; struct ufoma_softc { struct ucom_super_softc sc_super_ucom; struct ucom_softc sc_ucom; struct cv sc_cv; struct mtx sc_mtx; struct usb_xfer *sc_ctrl_xfer[UFOMA_CTRL_ENDPT_MAX]; struct usb_xfer *sc_bulk_xfer[UFOMA_BULK_ENDPT_MAX]; uint8_t *sc_modetable; device_t sc_dev; struct usb_device *sc_udev; uint32_t sc_unit; uint16_t sc_line; uint8_t sc_num_msg; uint8_t sc_nobulk; uint8_t sc_ctrl_iface_no; uint8_t sc_ctrl_iface_index; uint8_t sc_data_iface_no; uint8_t sc_data_iface_index; uint8_t sc_cm_cap; uint8_t sc_acm_cap; uint8_t sc_lsr; uint8_t sc_msr; uint8_t sc_modetoactivate; uint8_t sc_currentmode; }; /* prototypes */ static device_probe_t ufoma_probe; static device_attach_t ufoma_attach; static device_detach_t ufoma_detach; static void ufoma_free_softc(struct ufoma_softc *); static usb_callback_t ufoma_ctrl_read_callback; static usb_callback_t ufoma_ctrl_write_callback; static usb_callback_t ufoma_intr_callback; static usb_callback_t ufoma_bulk_write_callback; static usb_callback_t ufoma_bulk_read_callback; static void *ufoma_get_intconf(struct usb_config_descriptor *, struct usb_interface_descriptor *, uint8_t, uint8_t); static void ufoma_cfg_link_state(struct ufoma_softc *); static void ufoma_cfg_activate_state(struct ufoma_softc *, uint16_t); static void ufoma_free(struct ucom_softc *); static void ufoma_cfg_open(struct ucom_softc *); static void ufoma_cfg_close(struct ucom_softc *); static void ufoma_cfg_set_break(struct ucom_softc *, uint8_t); static void ufoma_cfg_get_status(struct ucom_softc *, uint8_t *, uint8_t *); static void ufoma_cfg_set_dtr(struct ucom_softc *, uint8_t); static void ufoma_cfg_set_rts(struct ucom_softc *, uint8_t); static int ufoma_pre_param(struct ucom_softc *, struct termios *); static void ufoma_cfg_param(struct ucom_softc *, struct termios *); static int ufoma_modem_setup(device_t, struct ufoma_softc *, struct usb_attach_arg *); static void ufoma_start_read(struct ucom_softc *); static void ufoma_stop_read(struct ucom_softc *); static void ufoma_start_write(struct ucom_softc *); static void ufoma_stop_write(struct ucom_softc *); static void ufoma_poll(struct ucom_softc *ucom); /*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 const struct usb_config ufoma_ctrl_config[UFOMA_CTRL_ENDPT_MAX] = { [UFOMA_CTRL_ENDPT_INTR] = { .type = UE_INTERRUPT, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_IN, .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, .bufsize = sizeof(struct usb_cdc_notification), .callback = &ufoma_intr_callback, }, [UFOMA_CTRL_ENDPT_READ] = { .type = UE_CONTROL, .endpoint = 0x00, /* Control pipe */ .direction = UE_DIR_ANY, .bufsize = (sizeof(struct usb_device_request) + UFOMA_CMD_BUF_SIZE), .flags = {.short_xfer_ok = 1,}, .callback = &ufoma_ctrl_read_callback, .timeout = 1000, /* 1 second */ }, [UFOMA_CTRL_ENDPT_WRITE] = { .type = UE_CONTROL, .endpoint = 0x00, /* Control pipe */ .direction = UE_DIR_ANY, .bufsize = (sizeof(struct usb_device_request) + 1), .callback = &ufoma_ctrl_write_callback, .timeout = 1000, /* 1 second */ }, }; static const struct usb_config ufoma_bulk_config[UFOMA_BULK_ENDPT_MAX] = { [UFOMA_BULK_ENDPT_WRITE] = { .type = UE_BULK, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_OUT, .bufsize = UFOMA_BULK_BUF_SIZE, .flags = {.pipe_bof = 1,.force_short_xfer = 1,}, .callback = &ufoma_bulk_write_callback, }, [UFOMA_BULK_ENDPT_READ] = { .type = UE_BULK, .endpoint = UE_ADDR_ANY, .direction = UE_DIR_IN, .bufsize = UFOMA_BULK_BUF_SIZE, .flags = {.pipe_bof = 1,.short_xfer_ok = 1,}, .callback = &ufoma_bulk_read_callback, }, }; static const struct ucom_callback ufoma_callback = { .ucom_cfg_get_status = &ufoma_cfg_get_status, .ucom_cfg_set_dtr = &ufoma_cfg_set_dtr, .ucom_cfg_set_rts = &ufoma_cfg_set_rts, .ucom_cfg_set_break = &ufoma_cfg_set_break, .ucom_cfg_param = &ufoma_cfg_param, .ucom_cfg_open = &ufoma_cfg_open, .ucom_cfg_close = &ufoma_cfg_close, .ucom_pre_param = &ufoma_pre_param, .ucom_start_read = &ufoma_start_read, .ucom_stop_read = &ufoma_stop_read, .ucom_start_write = &ufoma_start_write, .ucom_stop_write = &ufoma_stop_write, .ucom_poll = &ufoma_poll, .ucom_free = &ufoma_free, }; static device_method_t ufoma_methods[] = { /* Device methods */ DEVMETHOD(device_probe, ufoma_probe), DEVMETHOD(device_attach, ufoma_attach), DEVMETHOD(device_detach, ufoma_detach), DEVMETHOD_END }; static devclass_t ufoma_devclass; static driver_t ufoma_driver = { .name = "ufoma", .methods = ufoma_methods, .size = sizeof(struct ufoma_softc), }; static const STRUCT_USB_HOST_ID ufoma_devs[] = { {USB_IFACE_CLASS(UICLASS_CDC), USB_IFACE_SUBCLASS(UISUBCLASS_MCPC),}, }; DRIVER_MODULE(ufoma, uhub, ufoma_driver, ufoma_devclass, NULL, 0); MODULE_DEPEND(ufoma, ucom, 1, 1, 1); MODULE_DEPEND(ufoma, usb, 1, 1, 1); MODULE_VERSION(ufoma, 1); USB_PNP_HOST_INFO(ufoma_devs); static int ufoma_probe(device_t dev) { struct usb_attach_arg *uaa = device_get_ivars(dev); struct usb_interface_descriptor *id; struct usb_config_descriptor *cd; usb_mcpc_acm_descriptor *mad; int error; if (uaa->usb_mode != USB_MODE_HOST) return (ENXIO); error = usbd_lookup_id_by_uaa(ufoma_devs, sizeof(ufoma_devs), uaa); if (error) return (error); id = usbd_get_interface_descriptor(uaa->iface); cd = usbd_get_config_descriptor(uaa->device); if (id == NULL || cd == NULL) return (ENXIO); mad = ufoma_get_intconf(cd, id, UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM); if (mad == NULL) return (ENXIO); #ifndef UFOMA_HANDSFREE if ((mad->bType == UMCPC_ACM_TYPE_AB5) || (mad->bType == UMCPC_ACM_TYPE_AB6)) return (ENXIO); #endif return (BUS_PROBE_GENERIC); } static int ufoma_attach(device_t dev) { struct usb_attach_arg *uaa = device_get_ivars(dev); struct ufoma_softc *sc = device_get_softc(dev); struct usb_config_descriptor *cd; struct usb_interface_descriptor *id; struct sysctl_ctx_list *sctx; struct sysctl_oid *soid; usb_mcpc_acm_descriptor *mad; uint8_t elements; int32_t error; sc->sc_udev = uaa->device; sc->sc_dev = dev; sc->sc_unit = device_get_unit(dev); mtx_init(&sc->sc_mtx, "ufoma", NULL, MTX_DEF); ucom_ref(&sc->sc_super_ucom); cv_init(&sc->sc_cv, "CWAIT"); device_set_usb_desc(dev); DPRINTF("\n"); /* setup control transfers */ cd = usbd_get_config_descriptor(uaa->device); id = usbd_get_interface_descriptor(uaa->iface); sc->sc_ctrl_iface_no = id->bInterfaceNumber; sc->sc_ctrl_iface_index = uaa->info.bIfaceIndex; error = usbd_transfer_setup(uaa->device, &sc->sc_ctrl_iface_index, sc->sc_ctrl_xfer, ufoma_ctrl_config, UFOMA_CTRL_ENDPT_MAX, sc, &sc->sc_mtx); if (error) { device_printf(dev, "allocating control USB " "transfers failed\n"); goto detach; } mad = ufoma_get_intconf(cd, id, UDESC_VS_INTERFACE, UDESCSUB_MCPC_ACM); if (mad == NULL) { goto detach; } if (mad->bFunctionLength < sizeof(*mad)) { device_printf(dev, "invalid MAD descriptor\n"); goto detach; } if ((mad->bType == UMCPC_ACM_TYPE_AB5) || (mad->bType == UMCPC_ACM_TYPE_AB6)) { sc->sc_nobulk = 1; } else { sc->sc_nobulk = 0; if (ufoma_modem_setup(dev, sc, uaa)) { goto detach; } } elements = (mad->bFunctionLength - sizeof(*mad) + 1); /* initialize mode variables */ sc->sc_modetable = malloc(elements + 1, M_USBDEV, M_WAITOK); if (sc->sc_modetable == NULL) { goto detach; } sc->sc_modetable[0] = (elements + 1); memcpy(&sc->sc_modetable[1], mad->bMode, elements); sc->sc_currentmode = UMCPC_ACM_MODE_UNLINKED; sc->sc_modetoactivate = mad->bMode[0]; /* clear stall at first run, if any */ mtx_lock(&sc->sc_mtx); usbd_xfer_set_stall(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]); usbd_xfer_set_stall(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]); mtx_unlock(&sc->sc_mtx); error = ucom_attach(&sc->sc_super_ucom, &sc->sc_ucom, 1, sc, &ufoma_callback, &sc->sc_mtx); if (error) { DPRINTF("ucom_attach failed\n"); goto detach; } ucom_set_pnpinfo_usb(&sc->sc_super_ucom, dev); /*Sysctls*/ sctx = device_get_sysctl_ctx(dev); soid = device_get_sysctl_tree(dev); SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "supportmode", CTLFLAG_RD | CTLTYPE_STRING | CTLFLAG_MPSAFE, sc, 0, ufoma_sysctl_support, "A", "Supporting port role"); SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "currentmode", CTLFLAG_RD | CTLTYPE_STRING | CTLFLAG_MPSAFE, sc, 0, ufoma_sysctl_current, "A", "Current port role"); SYSCTL_ADD_PROC(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "openmode", CTLFLAG_RW | CTLTYPE_STRING | CTLFLAG_MPSAFE, sc, 0, ufoma_sysctl_open, "A", "Mode to transit when port is opened"); SYSCTL_ADD_UINT(sctx, SYSCTL_CHILDREN(soid), OID_AUTO, "comunit", CTLFLAG_RD, &(sc->sc_super_ucom.sc_unit), 0, "Unit number as USB serial"); return (0); /* success */ detach: ufoma_detach(dev); return (ENXIO); /* failure */ } static int ufoma_detach(device_t dev) { struct ufoma_softc *sc = device_get_softc(dev); ucom_detach(&sc->sc_super_ucom, &sc->sc_ucom); usbd_transfer_unsetup(sc->sc_ctrl_xfer, UFOMA_CTRL_ENDPT_MAX); usbd_transfer_unsetup(sc->sc_bulk_xfer, UFOMA_BULK_ENDPT_MAX); if (sc->sc_modetable) { free(sc->sc_modetable, M_USBDEV); } cv_destroy(&sc->sc_cv); device_claim_softc(dev); ufoma_free_softc(sc); return (0); } UCOM_UNLOAD_DRAIN(ufoma); static void ufoma_free_softc(struct ufoma_softc *sc) { if (ucom_unref(&sc->sc_super_ucom)) { mtx_destroy(&sc->sc_mtx); device_free_softc(sc); } } static void ufoma_free(struct ucom_softc *ucom) { ufoma_free_softc(ucom->sc_parent); } static void * ufoma_get_intconf(struct usb_config_descriptor *cd, struct usb_interface_descriptor *id, uint8_t type, uint8_t subtype) { struct usb_descriptor *desc = (void *)id; while ((desc = usb_desc_foreach(cd, desc))) { if (desc->bDescriptorType == UDESC_INTERFACE) { return (NULL); } if ((desc->bDescriptorType == type) && (desc->bDescriptorSubtype == subtype)) { break; } } return (desc); } static void ufoma_cfg_link_state(struct ufoma_softc *sc) { struct usb_device_request req; int32_t error; req.bmRequestType = UT_WRITE_VENDOR_INTERFACE; req.bRequest = UMCPC_SET_LINK; USETW(req.wValue, UMCPC_CM_MOBILE_ACM); USETW(req.wIndex, sc->sc_ctrl_iface_no); USETW(req.wLength, sc->sc_modetable[0]); ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, &req, sc->sc_modetable, 0, 1000); error = cv_timedwait(&sc->sc_cv, &sc->sc_mtx, hz); if (error) { DPRINTF("NO response\n"); } } static void ufoma_cfg_activate_state(struct ufoma_softc *sc, uint16_t state) { struct usb_device_request req; int32_t error; req.bmRequestType = UT_WRITE_VENDOR_INTERFACE; req.bRequest = UMCPC_ACTIVATE_MODE; USETW(req.wValue, state); USETW(req.wIndex, sc->sc_ctrl_iface_no); USETW(req.wLength, 0); ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, &req, NULL, 0, 1000); error = cv_timedwait(&sc->sc_cv, &sc->sc_mtx, (UFOMA_MAX_TIMEOUT * hz)); if (error) { DPRINTF("No response\n"); } } static void ufoma_ctrl_read_callback(struct usb_xfer *xfer, usb_error_t error) { struct ufoma_softc *sc = usbd_xfer_softc(xfer); struct usb_device_request req; struct usb_page_cache *pc0, *pc1; int len, aframes, nframes; usbd_xfer_status(xfer, NULL, NULL, &aframes, &nframes); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: tr_transferred: if (aframes != nframes) goto tr_setup; pc1 = usbd_xfer_get_frame(xfer, 1); len = usbd_xfer_frame_len(xfer, 1); if (len > 0) ucom_put_data(&sc->sc_ucom, pc1, 0, len); /* FALLTHROUGH */ case USB_ST_SETUP: tr_setup: if (sc->sc_num_msg) { sc->sc_num_msg--; req.bmRequestType = UT_READ_CLASS_INTERFACE; req.bRequest = UCDC_GET_ENCAPSULATED_RESPONSE; USETW(req.wIndex, sc->sc_ctrl_iface_no); USETW(req.wValue, 0); USETW(req.wLength, UFOMA_CMD_BUF_SIZE); pc0 = usbd_xfer_get_frame(xfer, 0); usbd_copy_in(pc0, 0, &req, sizeof(req)); usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); usbd_xfer_set_frame_len(xfer, 1, UFOMA_CMD_BUF_SIZE); usbd_xfer_set_frames(xfer, 2); usbd_transfer_submit(xfer); } return; default: /* Error */ DPRINTF("error = %s\n", usbd_errstr(error)); if (error == USB_ERR_CANCELLED) { return; } goto tr_transferred; } } static void ufoma_ctrl_write_callback(struct usb_xfer *xfer, usb_error_t error) { struct ufoma_softc *sc = usbd_xfer_softc(xfer); struct usb_device_request req; struct usb_page_cache *pc; uint32_t actlen; switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: tr_transferred: case USB_ST_SETUP: pc = usbd_xfer_get_frame(xfer, 1); if (ucom_get_data(&sc->sc_ucom, pc, 0, 1, &actlen)) { req.bmRequestType = UT_WRITE_CLASS_INTERFACE; req.bRequest = UCDC_SEND_ENCAPSULATED_COMMAND; USETW(req.wIndex, sc->sc_ctrl_iface_no); USETW(req.wValue, 0); USETW(req.wLength, 1); pc = usbd_xfer_get_frame(xfer, 0); usbd_copy_in(pc, 0, &req, sizeof(req)); usbd_xfer_set_frame_len(xfer, 0, sizeof(req)); usbd_xfer_set_frame_len(xfer, 1, 1); usbd_xfer_set_frames(xfer, 2); usbd_transfer_submit(xfer); } return; default: /* Error */ DPRINTF("error = %s\n", usbd_errstr(error)); if (error == USB_ERR_CANCELLED) { return; } goto tr_transferred; } } static void ufoma_intr_callback(struct usb_xfer *xfer, usb_error_t error) { struct ufoma_softc *sc = usbd_xfer_softc(xfer); struct usb_cdc_notification pkt; struct usb_page_cache *pc; uint16_t wLen; uint16_t temp; uint8_t mstatus; int actlen; usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: if (actlen < 8) { DPRINTF("too short message\n"); goto tr_setup; } if (actlen > (int)sizeof(pkt)) { DPRINTF("truncating message\n"); actlen = sizeof(pkt); } pc = usbd_xfer_get_frame(xfer, 0); usbd_copy_out(pc, 0, &pkt, actlen); actlen -= 8; wLen = UGETW(pkt.wLength); if (actlen > wLen) { actlen = wLen; } if ((pkt.bmRequestType == UT_READ_VENDOR_INTERFACE) && (pkt.bNotification == UMCPC_REQUEST_ACKNOWLEDGE)) { temp = UGETW(pkt.wValue); sc->sc_currentmode = (temp >> 8); if (!(temp & 0xff)) { DPRINTF("Mode change failed!\n"); } cv_signal(&sc->sc_cv); } if (pkt.bmRequestType != UCDC_NOTIFICATION) { goto tr_setup; } switch (pkt.bNotification) { case UCDC_N_RESPONSE_AVAILABLE: if (!(sc->sc_nobulk)) { DPRINTF("Wrong serial state!\n"); break; } if (sc->sc_num_msg != 0xFF) { sc->sc_num_msg++; } usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]); break; case UCDC_N_SERIAL_STATE: if (sc->sc_nobulk) { DPRINTF("Wrong serial state!\n"); break; } /* * Set the serial state in ucom driver based on * the bits from the notify message */ if (actlen < 2) { DPRINTF("invalid notification " "length, %d bytes!\n", actlen); break; } DPRINTF("notify bytes = 0x%02x, 0x%02x\n", pkt.data[0], pkt.data[1]); /* currently, lsr is always zero. */ sc->sc_lsr = 0; sc->sc_msr = 0; mstatus = pkt.data[0]; if (mstatus & UCDC_N_SERIAL_RI) { sc->sc_msr |= SER_RI; } if (mstatus & UCDC_N_SERIAL_DSR) { sc->sc_msr |= SER_DSR; } if (mstatus & UCDC_N_SERIAL_DCD) { sc->sc_msr |= SER_DCD; } ucom_status_change(&sc->sc_ucom); break; default: break; } case USB_ST_SETUP: tr_setup: usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); usbd_transfer_submit(xfer); return; default: /* Error */ if (error != USB_ERR_CANCELLED) { /* try to clear stall first */ usbd_xfer_set_stall(xfer); goto tr_setup; } return; } } static void ufoma_bulk_write_callback(struct usb_xfer *xfer, usb_error_t error) { struct ufoma_softc *sc = usbd_xfer_softc(xfer); struct usb_page_cache *pc; uint32_t actlen; switch (USB_GET_STATE(xfer)) { case USB_ST_SETUP: case USB_ST_TRANSFERRED: tr_setup: pc = usbd_xfer_get_frame(xfer, 0); if (ucom_get_data(&sc->sc_ucom, pc, 0, UFOMA_BULK_BUF_SIZE, &actlen)) { usbd_xfer_set_frame_len(xfer, 0, actlen); usbd_transfer_submit(xfer); } return; default: /* Error */ if (error != USB_ERR_CANCELLED) { /* try to clear stall first */ usbd_xfer_set_stall(xfer); goto tr_setup; } return; } } static void ufoma_bulk_read_callback(struct usb_xfer *xfer, usb_error_t error) { struct ufoma_softc *sc = usbd_xfer_softc(xfer); struct usb_page_cache *pc; int actlen; usbd_xfer_status(xfer, &actlen, NULL, NULL, NULL); switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: pc = usbd_xfer_get_frame(xfer, 0); ucom_put_data(&sc->sc_ucom, pc, 0, actlen); case USB_ST_SETUP: tr_setup: usbd_xfer_set_frame_len(xfer, 0, usbd_xfer_max_len(xfer)); usbd_transfer_submit(xfer); return; default: /* Error */ if (error != USB_ERR_CANCELLED) { /* try to clear stall first */ usbd_xfer_set_stall(xfer); goto tr_setup; } return; } } static void ufoma_cfg_open(struct ucom_softc *ucom) { struct ufoma_softc *sc = ucom->sc_parent; /* empty input queue */ if (sc->sc_num_msg != 0xFF) { sc->sc_num_msg++; } if (sc->sc_currentmode == UMCPC_ACM_MODE_UNLINKED) { ufoma_cfg_link_state(sc); } if (sc->sc_currentmode == UMCPC_ACM_MODE_DEACTIVATED) { ufoma_cfg_activate_state(sc, sc->sc_modetoactivate); } } static void ufoma_cfg_close(struct ucom_softc *ucom) { struct ufoma_softc *sc = ucom->sc_parent; ufoma_cfg_activate_state(sc, UMCPC_ACM_MODE_DEACTIVATED); } static void ufoma_cfg_set_break(struct ucom_softc *ucom, uint8_t onoff) { struct ufoma_softc *sc = ucom->sc_parent; struct usb_device_request req; uint16_t wValue; if (sc->sc_nobulk || (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX)) { return; } if (!(sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK)) { return; } wValue = onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF; req.bmRequestType = UT_WRITE_CLASS_INTERFACE; req.bRequest = UCDC_SEND_BREAK; USETW(req.wValue, wValue); req.wIndex[0] = sc->sc_ctrl_iface_no; req.wIndex[1] = 0; USETW(req.wLength, 0); ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, &req, NULL, 0, 1000); } static void ufoma_cfg_get_status(struct ucom_softc *ucom, uint8_t *lsr, uint8_t *msr) { struct ufoma_softc *sc = ucom->sc_parent; /* XXX Note: sc_lsr is always zero */ *lsr = sc->sc_lsr; *msr = sc->sc_msr; } static void ufoma_cfg_set_line_state(struct ufoma_softc *sc) { struct usb_device_request req; /* Don't send line state emulation request for OBEX port */ if (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX) { return; } req.bmRequestType = UT_WRITE_CLASS_INTERFACE; req.bRequest = UCDC_SET_CONTROL_LINE_STATE; USETW(req.wValue, sc->sc_line); req.wIndex[0] = sc->sc_ctrl_iface_no; req.wIndex[1] = 0; USETW(req.wLength, 0); ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, &req, NULL, 0, 1000); } static void ufoma_cfg_set_dtr(struct ucom_softc *ucom, uint8_t onoff) { struct ufoma_softc *sc = ucom->sc_parent; if (sc->sc_nobulk) { return; } if (onoff) sc->sc_line |= UCDC_LINE_DTR; else sc->sc_line &= ~UCDC_LINE_DTR; ufoma_cfg_set_line_state(sc); } static void ufoma_cfg_set_rts(struct ucom_softc *ucom, uint8_t onoff) { struct ufoma_softc *sc = ucom->sc_parent; if (sc->sc_nobulk) { return; } if (onoff) sc->sc_line |= UCDC_LINE_RTS; else sc->sc_line &= ~UCDC_LINE_RTS; ufoma_cfg_set_line_state(sc); } static int ufoma_pre_param(struct ucom_softc *ucom, struct termios *t) { return (0); /* we accept anything */ } static void ufoma_cfg_param(struct ucom_softc *ucom, struct termios *t) { struct ufoma_softc *sc = ucom->sc_parent; struct usb_device_request req; struct usb_cdc_line_state ls; if (sc->sc_nobulk || (sc->sc_currentmode == UMCPC_ACM_MODE_OBEX)) { return; } DPRINTF("\n"); memset(&ls, 0, sizeof(ls)); USETDW(ls.dwDTERate, t->c_ospeed); if (t->c_cflag & CSTOPB) { ls.bCharFormat = UCDC_STOP_BIT_2; } else { ls.bCharFormat = UCDC_STOP_BIT_1; } if (t->c_cflag & PARENB) { if (t->c_cflag & PARODD) { ls.bParityType = UCDC_PARITY_ODD; } else { ls.bParityType = UCDC_PARITY_EVEN; } } else { ls.bParityType = UCDC_PARITY_NONE; } switch (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; } req.bmRequestType = UT_WRITE_CLASS_INTERFACE; req.bRequest = UCDC_SET_LINE_CODING; USETW(req.wValue, 0); req.wIndex[0] = sc->sc_ctrl_iface_no; req.wIndex[1] = 0; USETW(req.wLength, UCDC_LINE_STATE_LENGTH); ucom_cfg_do_request(sc->sc_udev, &sc->sc_ucom, &req, &ls, 0, 1000); } static int ufoma_modem_setup(device_t dev, struct ufoma_softc *sc, struct usb_attach_arg *uaa) { struct usb_config_descriptor *cd; struct usb_cdc_acm_descriptor *acm; struct usb_cdc_cm_descriptor *cmd; struct usb_interface_descriptor *id; struct usb_interface *iface; uint8_t i; int32_t error; cd = usbd_get_config_descriptor(uaa->device); id = usbd_get_interface_descriptor(uaa->iface); cmd = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_CM); if ((cmd == NULL) || (cmd->bLength < sizeof(*cmd))) { return (EINVAL); } sc->sc_cm_cap = cmd->bmCapabilities; sc->sc_data_iface_no = cmd->bDataInterface; acm = ufoma_get_intconf(cd, id, UDESC_CS_INTERFACE, UDESCSUB_CDC_ACM); if ((acm == NULL) || (acm->bLength < sizeof(*acm))) { return (EINVAL); } sc->sc_acm_cap = acm->bmCapabilities; device_printf(dev, "data interface %d, has %sCM over data, " "has %sbreak\n", 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 "); /* get the data interface too */ for (i = 0;; i++) { iface = usbd_get_iface(uaa->device, i); if (iface) { id = usbd_get_interface_descriptor(iface); if (id && (id->bInterfaceNumber == sc->sc_data_iface_no)) { sc->sc_data_iface_index = i; usbd_set_parent_iface(uaa->device, i, uaa->info.bIfaceIndex); break; } } else { device_printf(dev, "no data interface\n"); return (EINVAL); } } error = usbd_transfer_setup(uaa->device, &sc->sc_data_iface_index, sc->sc_bulk_xfer, ufoma_bulk_config, UFOMA_BULK_ENDPT_MAX, sc, &sc->sc_mtx); if (error) { device_printf(dev, "allocating BULK USB " "transfers failed\n"); return (EINVAL); } return (0); } static void ufoma_start_read(struct ucom_softc *ucom) { struct ufoma_softc *sc = ucom->sc_parent; /* start interrupt transfer */ usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_INTR]); /* start data transfer */ if (sc->sc_nobulk) { usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]); } else { usbd_transfer_start(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]); } } static void ufoma_stop_read(struct ucom_softc *ucom) { struct ufoma_softc *sc = ucom->sc_parent; /* stop interrupt transfer */ usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_INTR]); /* stop data transfer */ if (sc->sc_nobulk) { usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_READ]); } else { usbd_transfer_stop(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_READ]); } } static void ufoma_start_write(struct ucom_softc *ucom) { struct ufoma_softc *sc = ucom->sc_parent; if (sc->sc_nobulk) { usbd_transfer_start(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_WRITE]); } else { usbd_transfer_start(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]); } } static void ufoma_stop_write(struct ucom_softc *ucom) { struct ufoma_softc *sc = ucom->sc_parent; if (sc->sc_nobulk) { usbd_transfer_stop(sc->sc_ctrl_xfer[UFOMA_CTRL_ENDPT_WRITE]); } else { usbd_transfer_stop(sc->sc_bulk_xfer[UFOMA_BULK_ENDPT_WRITE]); } } static 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 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 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; } static void ufoma_poll(struct ucom_softc *ucom) { struct ufoma_softc *sc = ucom->sc_parent; usbd_transfer_poll(sc->sc_ctrl_xfer, UFOMA_CTRL_ENDPT_MAX); usbd_transfer_poll(sc->sc_bulk_xfer, UFOMA_BULK_ENDPT_MAX); }