umodem_common.c revision 1.5.10.2
1 1.5.10.2 jmc /* $NetBSD: umodem_common.c,v 1.5.10.2 2005/10/26 22:16:27 jmc Exp $ */ 2 1.5.10.2 jmc 3 1.5.10.2 jmc /* 4 1.5.10.2 jmc * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 1.5.10.2 jmc * All rights reserved. 6 1.5.10.2 jmc * 7 1.5.10.2 jmc * This code is derived from software contributed to The NetBSD Foundation 8 1.5.10.2 jmc * by Lennart Augustsson (lennart (at) augustsson.net) at 9 1.5.10.2 jmc * Carlstedt Research & Technology. 10 1.5.10.2 jmc * 11 1.5.10.2 jmc * Redistribution and use in source and binary forms, with or without 12 1.5.10.2 jmc * modification, are permitted provided that the following conditions 13 1.5.10.2 jmc * are met: 14 1.5.10.2 jmc * 1. Redistributions of source code must retain the above copyright 15 1.5.10.2 jmc * notice, this list of conditions and the following disclaimer. 16 1.5.10.2 jmc * 2. Redistributions in binary form must reproduce the above copyright 17 1.5.10.2 jmc * notice, this list of conditions and the following disclaimer in the 18 1.5.10.2 jmc * documentation and/or other materials provided with the distribution. 19 1.5.10.2 jmc * 3. All advertising materials mentioning features or use of this software 20 1.5.10.2 jmc * must display the following acknowledgement: 21 1.5.10.2 jmc * This product includes software developed by the NetBSD 22 1.5.10.2 jmc * Foundation, Inc. and its contributors. 23 1.5.10.2 jmc * 4. Neither the name of The NetBSD Foundation nor the names of its 24 1.5.10.2 jmc * contributors may be used to endorse or promote products derived 25 1.5.10.2 jmc * from this software without specific prior written permission. 26 1.5.10.2 jmc * 27 1.5.10.2 jmc * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 1.5.10.2 jmc * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 1.5.10.2 jmc * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 1.5.10.2 jmc * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 1.5.10.2 jmc * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 1.5.10.2 jmc * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 1.5.10.2 jmc * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 1.5.10.2 jmc * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 1.5.10.2 jmc * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 1.5.10.2 jmc * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 1.5.10.2 jmc * POSSIBILITY OF SUCH DAMAGE. 38 1.5.10.2 jmc */ 39 1.5.10.2 jmc 40 1.5.10.2 jmc /* 41 1.5.10.2 jmc * Comm Class spec: http://www.usb.org/developers/devclass_docs/usbccs10.pdf 42 1.5.10.2 jmc * http://www.usb.org/developers/devclass_docs/usbcdc11.pdf 43 1.5.10.2 jmc */ 44 1.5.10.2 jmc 45 1.5.10.2 jmc /* 46 1.5.10.2 jmc * TODO: 47 1.5.10.2 jmc * - Add error recovery in various places; the big problem is what 48 1.5.10.2 jmc * to do in a callback if there is an error. 49 1.5.10.2 jmc * - Implement a Call Device for modems without multiplexed commands. 50 1.5.10.2 jmc * 51 1.5.10.2 jmc */ 52 1.5.10.2 jmc 53 1.5.10.2 jmc #include <sys/cdefs.h> 54 1.5.10.2 jmc __KERNEL_RCSID(0, "$NetBSD: umodem_common.c,v 1.5.10.2 2005/10/26 22:16:27 jmc Exp $"); 55 1.5.10.2 jmc 56 1.5.10.2 jmc #include <sys/param.h> 57 1.5.10.2 jmc #include <sys/systm.h> 58 1.5.10.2 jmc #include <sys/kernel.h> 59 1.5.10.2 jmc #include <sys/ioctl.h> 60 1.5.10.2 jmc #include <sys/conf.h> 61 1.5.10.2 jmc #include <sys/tty.h> 62 1.5.10.2 jmc #include <sys/file.h> 63 1.5.10.2 jmc #include <sys/select.h> 64 1.5.10.2 jmc #include <sys/proc.h> 65 1.5.10.2 jmc #include <sys/vnode.h> 66 1.5.10.2 jmc #include <sys/device.h> 67 1.5.10.2 jmc #include <sys/poll.h> 68 1.5.10.2 jmc 69 1.5.10.2 jmc #include <dev/usb/usb.h> 70 1.5.10.2 jmc #include <dev/usb/usbcdc.h> 71 1.5.10.2 jmc 72 1.5.10.2 jmc #include <dev/usb/usbdi.h> 73 1.5.10.2 jmc #include <dev/usb/usbdi_util.h> 74 1.5.10.2 jmc #include <dev/usb/usbdevs.h> 75 1.5.10.2 jmc #include <dev/usb/usb_quirks.h> 76 1.5.10.2 jmc 77 1.5.10.2 jmc #include <dev/usb/usbdevs.h> 78 1.5.10.2 jmc #include <dev/usb/ucomvar.h> 79 1.5.10.2 jmc #include <dev/usb/umodemvar.h> 80 1.5.10.2 jmc 81 1.5.10.2 jmc #ifdef UMODEM_DEBUG 82 1.5.10.2 jmc #define DPRINTFN(n, x) if (umodemdebug > (n)) logprintf x 83 1.5.10.2 jmc int umodemdebug = 0; 84 1.5.10.2 jmc #else 85 1.5.10.2 jmc #define DPRINTFN(n, x) 86 1.5.10.2 jmc #endif 87 1.5.10.2 jmc #define DPRINTF(x) DPRINTFN(0, x) 88 1.5.10.2 jmc 89 1.5.10.2 jmc /* 90 1.5.10.2 jmc * These are the maximum number of bytes transferred per frame. 91 1.5.10.2 jmc * If some really high speed devices should use this driver they 92 1.5.10.2 jmc * may need to be increased, but this is good enough for normal modems. 93 1.5.10.2 jmc */ 94 1.5.10.2 jmc #define UMODEMIBUFSIZE 64 95 1.5.10.2 jmc #define UMODEMOBUFSIZE 256 96 1.5.10.2 jmc 97 1.5.10.2 jmc Static usbd_status umodem_set_comm_feature(struct umodem_softc *sc, 98 1.5.10.2 jmc int feature, int state); 99 1.5.10.2 jmc Static usbd_status umodem_set_line_coding(struct umodem_softc *sc, 100 1.5.10.2 jmc usb_cdc_line_state_t *state); 101 1.5.10.2 jmc 102 1.5.10.2 jmc Static void umodem_dtr(struct umodem_softc *, int); 103 1.5.10.2 jmc Static void umodem_rts(struct umodem_softc *, int); 104 1.5.10.2 jmc Static void umodem_break(struct umodem_softc *, int); 105 1.5.10.2 jmc Static void umodem_set_line_state(struct umodem_softc *); 106 1.5.10.2 jmc Static void umodem_intr(usbd_xfer_handle, usbd_private_handle, usbd_status); 107 1.5.10.2 jmc 108 1.5.10.2 jmc /* backport glue */ 109 1.5.10.2 jmc Static usb_descriptor_t *usb_find_desc_if(usbd_device_handle, int, int, 110 1.5.10.2 jmc usb_interface_descriptor_t *); 111 1.5.10.2 jmc /* end glue */ 112 1.5.10.2 jmc 113 1.5.10.2 jmc int 114 1.5.10.2 jmc umodem_common_attach(device_ptr_t self, struct umodem_softc *sc, 115 1.5.10.2 jmc struct usb_attach_arg *uaa, struct ucom_attach_args *uca) 116 1.5.10.2 jmc { 117 1.5.10.2 jmc usbd_device_handle dev = uaa->device; 118 1.5.10.2 jmc usb_interface_descriptor_t *id; 119 1.5.10.2 jmc usb_endpoint_descriptor_t *ed; 120 1.5.10.2 jmc char devinfo[1024]; 121 1.5.10.2 jmc usbd_status err; 122 1.5.10.2 jmc int data_ifcno; 123 1.5.10.2 jmc int i; 124 1.5.10.2 jmc 125 1.5.10.2 jmc usbd_devinfo(uaa->device, 0, devinfo); 126 1.5.10.2 jmc USB_ATTACH_SETUP; 127 1.5.10.2 jmc 128 1.5.10.2 jmc sc->sc_udev = dev; 129 1.5.10.2 jmc sc->sc_ctl_iface = uaa->iface; 130 1.5.10.2 jmc 131 1.5.10.2 jmc id = usbd_get_interface_descriptor(sc->sc_ctl_iface); 132 1.5.10.2 jmc printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev), 133 1.5.10.2 jmc devinfo, id->bInterfaceClass, id->bInterfaceSubClass); 134 1.5.10.2 jmc sc->sc_ctl_iface_no = id->bInterfaceNumber; 135 1.5.10.2 jmc 136 1.5.10.2 jmc /* Get the data interface no. */ 137 1.5.10.2 jmc sc->sc_data_iface_no = data_ifcno = 138 1.5.10.2 jmc umodem_get_caps(dev, &sc->sc_cm_cap, &sc->sc_acm_cap, id); 139 1.5.10.2 jmc 140 1.5.10.2 jmc if (data_ifcno == -1) { 141 1.5.10.2 jmc printf("%s: no pointer to data interface\n", 142 1.5.10.2 jmc USBDEVNAME(sc->sc_dev)); 143 1.5.10.2 jmc goto bad; 144 1.5.10.2 jmc } 145 1.5.10.2 jmc 146 1.5.10.2 jmc printf("%s: data interface %d, has %sCM over data, has %sbreak\n", 147 1.5.10.2 jmc USBDEVNAME(sc->sc_dev), data_ifcno, 148 1.5.10.2 jmc sc->sc_cm_cap & USB_CDC_CM_OVER_DATA ? "" : "no ", 149 1.5.10.2 jmc sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK ? "" : "no "); 150 1.5.10.2 jmc 151 1.5.10.2 jmc /* Get the data interface too. */ 152 1.5.10.2 jmc for (i = 0; i < uaa->nifaces; i++) { 153 1.5.10.2 jmc if (uaa->ifaces[i] != NULL) { 154 1.5.10.2 jmc id = usbd_get_interface_descriptor(uaa->ifaces[i]); 155 1.5.10.2 jmc if (id != NULL && id->bInterfaceNumber == data_ifcno) { 156 1.5.10.2 jmc sc->sc_data_iface = uaa->ifaces[i]; 157 1.5.10.2 jmc uaa->ifaces[i] = NULL; 158 1.5.10.2 jmc } 159 1.5.10.2 jmc } 160 1.5.10.2 jmc } 161 1.5.10.2 jmc if (sc->sc_data_iface == NULL) { 162 1.5.10.2 jmc printf("%s: no data interface\n", USBDEVNAME(sc->sc_dev)); 163 1.5.10.2 jmc goto bad; 164 1.5.10.2 jmc } 165 1.5.10.2 jmc 166 1.5.10.2 jmc /* 167 1.5.10.2 jmc * Find the bulk endpoints. 168 1.5.10.2 jmc * Iterate over all endpoints in the data interface and take note. 169 1.5.10.2 jmc */ 170 1.5.10.2 jmc uca->bulkin = uca->bulkout = -1; 171 1.5.10.2 jmc 172 1.5.10.2 jmc id = usbd_get_interface_descriptor(sc->sc_data_iface); 173 1.5.10.2 jmc for (i = 0; i < id->bNumEndpoints; i++) { 174 1.5.10.2 jmc ed = usbd_interface2endpoint_descriptor(sc->sc_data_iface, i); 175 1.5.10.2 jmc if (ed == NULL) { 176 1.5.10.2 jmc printf("%s: no endpoint descriptor for %d\n", 177 1.5.10.2 jmc USBDEVNAME(sc->sc_dev), i); 178 1.5.10.2 jmc goto bad; 179 1.5.10.2 jmc } 180 1.5.10.2 jmc if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 181 1.5.10.2 jmc (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) { 182 1.5.10.2 jmc uca->bulkin = ed->bEndpointAddress; 183 1.5.10.2 jmc } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 184 1.5.10.2 jmc (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) { 185 1.5.10.2 jmc uca->bulkout = ed->bEndpointAddress; 186 1.5.10.2 jmc } 187 1.5.10.2 jmc } 188 1.5.10.2 jmc 189 1.5.10.2 jmc if (uca->bulkin == -1) { 190 1.5.10.2 jmc printf("%s: Could not find data bulk in\n", 191 1.5.10.2 jmc USBDEVNAME(sc->sc_dev)); 192 1.5.10.2 jmc goto bad; 193 1.5.10.2 jmc } 194 1.5.10.2 jmc if (uca->bulkout == -1) { 195 1.5.10.2 jmc printf("%s: Could not find data bulk out\n", 196 1.5.10.2 jmc USBDEVNAME(sc->sc_dev)); 197 1.5.10.2 jmc goto bad; 198 1.5.10.2 jmc } 199 1.5.10.2 jmc 200 1.5.10.2 jmc if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_ASSUME_CM_OVER_DATA) { 201 1.5.10.2 jmc sc->sc_cm_over_data = 1; 202 1.5.10.2 jmc } else { 203 1.5.10.2 jmc if (sc->sc_cm_cap & USB_CDC_CM_OVER_DATA) { 204 1.5.10.2 jmc if (sc->sc_acm_cap & USB_CDC_ACM_HAS_FEATURE) 205 1.5.10.2 jmc err = umodem_set_comm_feature(sc, 206 1.5.10.2 jmc UCDC_ABSTRACT_STATE, UCDC_DATA_MULTIPLEXED); 207 1.5.10.2 jmc else 208 1.5.10.2 jmc err = 0; 209 1.5.10.2 jmc if (err) { 210 1.5.10.2 jmc printf("%s: could not set data multiplex mode\n", 211 1.5.10.2 jmc USBDEVNAME(sc->sc_dev)); 212 1.5.10.2 jmc goto bad; 213 1.5.10.2 jmc } 214 1.5.10.2 jmc sc->sc_cm_over_data = 1; 215 1.5.10.2 jmc } 216 1.5.10.2 jmc } 217 1.5.10.2 jmc 218 1.5.10.2 jmc /* 219 1.5.10.2 jmc * The standard allows for notification messages (to indicate things 220 1.5.10.2 jmc * like a modem hangup) to come in via an interrupt endpoint 221 1.5.10.2 jmc * off of the control interface. Iterate over the endpoints on 222 1.5.10.2 jmc * the control interface and see if there are any interrupt 223 1.5.10.2 jmc * endpoints; if there are, then register it. 224 1.5.10.2 jmc */ 225 1.5.10.2 jmc 226 1.5.10.2 jmc sc->sc_ctl_notify = -1; 227 1.5.10.2 jmc sc->sc_notify_pipe = NULL; 228 1.5.10.2 jmc 229 1.5.10.2 jmc for (i = 0; i < id->bNumEndpoints; i++) { 230 1.5.10.2 jmc ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i); 231 1.5.10.2 jmc if (ed == NULL) 232 1.5.10.2 jmc continue; 233 1.5.10.2 jmc 234 1.5.10.2 jmc if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 235 1.5.10.2 jmc (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 236 1.5.10.2 jmc printf("%s: status change notification available\n", 237 1.5.10.2 jmc USBDEVNAME(sc->sc_dev)); 238 1.5.10.2 jmc sc->sc_ctl_notify = ed->bEndpointAddress; 239 1.5.10.2 jmc } 240 1.5.10.2 jmc } 241 1.5.10.2 jmc 242 1.5.10.2 jmc sc->sc_dtr = -1; 243 1.5.10.2 jmc 244 1.5.10.2 jmc /* bulkin, bulkout set above */ 245 1.5.10.2 jmc uca->ibufsize = UMODEMIBUFSIZE; 246 1.5.10.2 jmc uca->obufsize = UMODEMOBUFSIZE; 247 1.5.10.2 jmc uca->ibufsizepad = UMODEMIBUFSIZE; 248 1.5.10.2 jmc uca->opkthdrlen = 0; 249 1.5.10.2 jmc uca->device = sc->sc_udev; 250 1.5.10.2 jmc uca->iface = sc->sc_data_iface; 251 1.5.10.2 jmc uca->arg = sc; 252 1.5.10.2 jmc 253 1.5.10.2 jmc usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 254 1.5.10.2 jmc USBDEV(sc->sc_dev)); 255 1.5.10.2 jmc 256 1.5.10.2 jmc DPRINTF(("umodem_common_attach: sc=%p\n", sc)); 257 1.5.10.2 jmc sc->sc_subdev = config_found_sm(self, uca, ucomprint, ucomsubmatch); 258 1.5.10.2 jmc 259 1.5.10.2 jmc return 0; 260 1.5.10.2 jmc 261 1.5.10.2 jmc bad: 262 1.5.10.2 jmc sc->sc_dying = 1; 263 1.5.10.2 jmc return 1; 264 1.5.10.2 jmc } 265 1.5.10.2 jmc 266 1.5.10.2 jmc int 267 1.5.10.2 jmc umodem_open(void *addr, int portno) 268 1.5.10.2 jmc { 269 1.5.10.2 jmc struct umodem_softc *sc = addr; 270 1.5.10.2 jmc int err; 271 1.5.10.2 jmc 272 1.5.10.2 jmc DPRINTF(("umodem_open: sc=%p\n", sc)); 273 1.5.10.2 jmc 274 1.5.10.2 jmc if (sc->sc_ctl_notify != -1 && sc->sc_notify_pipe == NULL) { 275 1.5.10.2 jmc err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_ctl_notify, 276 1.5.10.2 jmc USBD_SHORT_XFER_OK, &sc->sc_notify_pipe, sc, 277 1.5.10.2 jmc &sc->sc_notify_buf, sizeof(sc->sc_notify_buf), 278 1.5.10.2 jmc umodem_intr, USBD_DEFAULT_INTERVAL); 279 1.5.10.2 jmc 280 1.5.10.2 jmc if (err) { 281 1.5.10.2 jmc DPRINTF(("Failed to establish notify pipe: %s\n", 282 1.5.10.2 jmc usbd_errstr(err))); 283 1.5.10.2 jmc return EIO; 284 1.5.10.2 jmc } 285 1.5.10.2 jmc } 286 1.5.10.2 jmc 287 1.5.10.2 jmc return 0; 288 1.5.10.2 jmc } 289 1.5.10.2 jmc 290 1.5.10.2 jmc void 291 1.5.10.2 jmc umodem_close(void *addr, int portno) 292 1.5.10.2 jmc { 293 1.5.10.2 jmc struct umodem_softc *sc = addr; 294 1.5.10.2 jmc int err; 295 1.5.10.2 jmc 296 1.5.10.2 jmc DPRINTF(("umodem_close: sc=%p\n", sc)); 297 1.5.10.2 jmc 298 1.5.10.2 jmc if (sc->sc_notify_pipe != NULL) { 299 1.5.10.2 jmc err = usbd_abort_pipe(sc->sc_notify_pipe); 300 1.5.10.2 jmc if (err) 301 1.5.10.2 jmc printf("%s: abort notify pipe failed: %s\n", 302 1.5.10.2 jmc USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 303 1.5.10.2 jmc err = usbd_close_pipe(sc->sc_notify_pipe); 304 1.5.10.2 jmc if (err) 305 1.5.10.2 jmc printf("%s: close notify pipe failed: %s\n", 306 1.5.10.2 jmc USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 307 1.5.10.2 jmc sc->sc_notify_pipe = NULL; 308 1.5.10.2 jmc } 309 1.5.10.2 jmc } 310 1.5.10.2 jmc 311 1.5.10.2 jmc Static void 312 1.5.10.2 jmc umodem_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status) 313 1.5.10.2 jmc { 314 1.5.10.2 jmc struct umodem_softc *sc = priv; 315 1.5.10.2 jmc u_char mstatus; 316 1.5.10.2 jmc 317 1.5.10.2 jmc if (sc->sc_dying) 318 1.5.10.2 jmc return; 319 1.5.10.2 jmc 320 1.5.10.2 jmc if (status != USBD_NORMAL_COMPLETION) { 321 1.5.10.2 jmc if (status == USBD_NOT_STARTED || status == USBD_CANCELLED) 322 1.5.10.2 jmc return; 323 1.5.10.2 jmc printf("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev), 324 1.5.10.2 jmc usbd_errstr(status)); 325 1.5.10.2 jmc return; 326 1.5.10.2 jmc } 327 1.5.10.2 jmc 328 1.5.10.2 jmc if (sc->sc_notify_buf.bmRequestType != UCDC_NOTIFICATION) { 329 1.5.10.2 jmc DPRINTF(("%s: unknown message type (%02x) on notify pipe\n", 330 1.5.10.2 jmc USBDEVNAME(sc->sc_dev), 331 1.5.10.2 jmc sc->sc_notify_buf.bmRequestType)); 332 1.5.10.2 jmc return; 333 1.5.10.2 jmc } 334 1.5.10.2 jmc 335 1.5.10.2 jmc switch (sc->sc_notify_buf.bNotification) { 336 1.5.10.2 jmc case UCDC_N_SERIAL_STATE: 337 1.5.10.2 jmc /* 338 1.5.10.2 jmc * Set the serial state in ucom driver based on 339 1.5.10.2 jmc * the bits from the notify message 340 1.5.10.2 jmc */ 341 1.5.10.2 jmc if (UGETW(sc->sc_notify_buf.wLength) != 2) { 342 1.5.10.2 jmc printf("%s: Invalid notification length! (%d)\n", 343 1.5.10.2 jmc USBDEVNAME(sc->sc_dev), 344 1.5.10.2 jmc UGETW(sc->sc_notify_buf.wLength)); 345 1.5.10.2 jmc break; 346 1.5.10.2 jmc } 347 1.5.10.2 jmc DPRINTF(("%s: notify bytes = %02x%02x\n", 348 1.5.10.2 jmc USBDEVNAME(sc->sc_dev), 349 1.5.10.2 jmc sc->sc_notify_buf.data[0], 350 1.5.10.2 jmc sc->sc_notify_buf.data[1])); 351 1.5.10.2 jmc /* Currently, lsr is always zero. */ 352 1.5.10.2 jmc sc->sc_lsr = sc->sc_msr = 0; 353 1.5.10.2 jmc mstatus = sc->sc_notify_buf.data[0]; 354 1.5.10.2 jmc 355 1.5.10.2 jmc if (ISSET(mstatus, UCDC_N_SERIAL_RI)) 356 1.5.10.2 jmc sc->sc_msr |= UMSR_RI; 357 1.5.10.2 jmc if (ISSET(mstatus, UCDC_N_SERIAL_DSR)) 358 1.5.10.2 jmc sc->sc_msr |= UMSR_DSR; 359 1.5.10.2 jmc if (ISSET(mstatus, UCDC_N_SERIAL_DCD)) 360 1.5.10.2 jmc sc->sc_msr |= UMSR_DCD; 361 1.5.10.2 jmc ucom_status_change((struct ucom_softc *)sc->sc_subdev); 362 1.5.10.2 jmc break; 363 1.5.10.2 jmc default: 364 1.5.10.2 jmc DPRINTF(("%s: unknown notify message: %02x\n", 365 1.5.10.2 jmc USBDEVNAME(sc->sc_dev), 366 1.5.10.2 jmc sc->sc_notify_buf.bNotification)); 367 1.5.10.2 jmc break; 368 1.5.10.2 jmc } 369 1.5.10.2 jmc } 370 1.5.10.2 jmc 371 1.5.10.2 jmc int 372 1.5.10.2 jmc umodem_get_caps(usbd_device_handle dev, int *cm, int *acm, 373 1.5.10.2 jmc usb_interface_descriptor_t *id) 374 1.5.10.2 jmc { 375 1.5.10.2 jmc const usb_cdc_cm_descriptor_t *cmd; 376 1.5.10.2 jmc const usb_cdc_acm_descriptor_t *cad; 377 1.5.10.2 jmc const usb_cdc_union_descriptor_t *cud; 378 1.5.10.2 jmc 379 1.5.10.2 jmc *cm = *acm = 0; 380 1.5.10.2 jmc 381 1.5.10.2 jmc cmd = (usb_cdc_cm_descriptor_t *)usb_find_desc_if(dev, 382 1.5.10.2 jmc UDESC_CS_INTERFACE, 383 1.5.10.2 jmc UDESCSUB_CDC_CM, id); 384 1.5.10.2 jmc if (cmd == NULL) { 385 1.5.10.2 jmc DPRINTF(("umodem_get_caps: no CM desc\n")); 386 1.5.10.2 jmc } else { 387 1.5.10.2 jmc *cm = cmd->bmCapabilities; 388 1.5.10.2 jmc } 389 1.5.10.2 jmc 390 1.5.10.2 jmc cad = (usb_cdc_acm_descriptor_t *)usb_find_desc_if(dev, 391 1.5.10.2 jmc UDESC_CS_INTERFACE, 392 1.5.10.2 jmc UDESCSUB_CDC_ACM, 393 1.5.10.2 jmc id); 394 1.5.10.2 jmc if (cad == NULL) { 395 1.5.10.2 jmc DPRINTF(("umodem_get_caps: no ACM desc\n")); 396 1.5.10.2 jmc } else { 397 1.5.10.2 jmc *acm = cad->bmCapabilities; 398 1.5.10.2 jmc } 399 1.5.10.2 jmc 400 1.5.10.2 jmc cud = (usb_cdc_union_descriptor_t *)usb_find_desc_if(dev, 401 1.5.10.2 jmc UDESC_CS_INTERFACE, 402 1.5.10.2 jmc UDESCSUB_CDC_UNION, 403 1.5.10.2 jmc id); 404 1.5.10.2 jmc if (cud == NULL) { 405 1.5.10.2 jmc DPRINTF(("umodem_get_caps: no UNION desc\n")); 406 1.5.10.2 jmc } 407 1.5.10.2 jmc 408 1.5.10.2 jmc return cmd ? cmd->bDataInterface : cud ? cud->bSlaveInterface[0] : -1; 409 1.5.10.2 jmc } 410 1.5.10.2 jmc 411 1.5.10.2 jmc void 412 1.5.10.2 jmc umodem_get_status(void *addr, int portno, u_char *lsr, u_char *msr) 413 1.5.10.2 jmc { 414 1.5.10.2 jmc struct umodem_softc *sc = addr; 415 1.5.10.2 jmc 416 1.5.10.2 jmc DPRINTF(("umodem_get_status:\n")); 417 1.5.10.2 jmc 418 1.5.10.2 jmc if (lsr != NULL) 419 1.5.10.2 jmc *lsr = sc->sc_lsr; 420 1.5.10.2 jmc if (msr != NULL) 421 1.5.10.2 jmc *msr = sc->sc_msr; 422 1.5.10.2 jmc } 423 1.5.10.2 jmc 424 1.5.10.2 jmc int 425 1.5.10.2 jmc umodem_param(void *addr, int portno, struct termios *t) 426 1.5.10.2 jmc { 427 1.5.10.2 jmc struct umodem_softc *sc = addr; 428 1.5.10.2 jmc usbd_status err; 429 1.5.10.2 jmc usb_cdc_line_state_t ls; 430 1.5.10.2 jmc 431 1.5.10.2 jmc DPRINTF(("umodem_param: sc=%p\n", sc)); 432 1.5.10.2 jmc 433 1.5.10.2 jmc USETDW(ls.dwDTERate, t->c_ospeed); 434 1.5.10.2 jmc if (ISSET(t->c_cflag, CSTOPB)) 435 1.5.10.2 jmc ls.bCharFormat = UCDC_STOP_BIT_2; 436 1.5.10.2 jmc else 437 1.5.10.2 jmc ls.bCharFormat = UCDC_STOP_BIT_1; 438 1.5.10.2 jmc if (ISSET(t->c_cflag, PARENB)) { 439 1.5.10.2 jmc if (ISSET(t->c_cflag, PARODD)) 440 1.5.10.2 jmc ls.bParityType = UCDC_PARITY_ODD; 441 1.5.10.2 jmc else 442 1.5.10.2 jmc ls.bParityType = UCDC_PARITY_EVEN; 443 1.5.10.2 jmc } else 444 1.5.10.2 jmc ls.bParityType = UCDC_PARITY_NONE; 445 1.5.10.2 jmc switch (ISSET(t->c_cflag, CSIZE)) { 446 1.5.10.2 jmc case CS5: 447 1.5.10.2 jmc ls.bDataBits = 5; 448 1.5.10.2 jmc break; 449 1.5.10.2 jmc case CS6: 450 1.5.10.2 jmc ls.bDataBits = 6; 451 1.5.10.2 jmc break; 452 1.5.10.2 jmc case CS7: 453 1.5.10.2 jmc ls.bDataBits = 7; 454 1.5.10.2 jmc break; 455 1.5.10.2 jmc case CS8: 456 1.5.10.2 jmc ls.bDataBits = 8; 457 1.5.10.2 jmc break; 458 1.5.10.2 jmc } 459 1.5.10.2 jmc 460 1.5.10.2 jmc err = umodem_set_line_coding(sc, &ls); 461 1.5.10.2 jmc if (err) { 462 1.5.10.2 jmc DPRINTF(("umodem_param: err=%s\n", usbd_errstr(err))); 463 1.5.10.2 jmc return (EPASSTHROUGH); 464 1.5.10.2 jmc } 465 1.5.10.2 jmc return (0); 466 1.5.10.2 jmc } 467 1.5.10.2 jmc 468 1.5.10.2 jmc int 469 1.5.10.2 jmc umodem_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag, 470 1.5.10.2 jmc usb_proc_ptr p) 471 1.5.10.2 jmc { 472 1.5.10.2 jmc struct umodem_softc *sc = addr; 473 1.5.10.2 jmc int error = 0; 474 1.5.10.2 jmc 475 1.5.10.2 jmc if (sc->sc_dying) 476 1.5.10.2 jmc return (EIO); 477 1.5.10.2 jmc 478 1.5.10.2 jmc DPRINTF(("umodem_ioctl: cmd=0x%08lx\n", cmd)); 479 1.5.10.2 jmc 480 1.5.10.2 jmc switch (cmd) { 481 1.5.10.2 jmc case USB_GET_CM_OVER_DATA: 482 1.5.10.2 jmc *(int *)data = sc->sc_cm_over_data; 483 1.5.10.2 jmc break; 484 1.5.10.2 jmc 485 1.5.10.2 jmc case USB_SET_CM_OVER_DATA: 486 1.5.10.2 jmc if (*(int *)data != sc->sc_cm_over_data) { 487 1.5.10.2 jmc /* XXX change it */ 488 1.5.10.2 jmc } 489 1.5.10.2 jmc break; 490 1.5.10.2 jmc 491 1.5.10.2 jmc default: 492 1.5.10.2 jmc DPRINTF(("umodem_ioctl: unknown\n")); 493 1.5.10.2 jmc error = EPASSTHROUGH; 494 1.5.10.2 jmc break; 495 1.5.10.2 jmc } 496 1.5.10.2 jmc 497 1.5.10.2 jmc return (error); 498 1.5.10.2 jmc } 499 1.5.10.2 jmc 500 1.5.10.2 jmc void 501 1.5.10.2 jmc umodem_dtr(struct umodem_softc *sc, int onoff) 502 1.5.10.2 jmc { 503 1.5.10.2 jmc DPRINTF(("umodem_dtr: onoff=%d\n", onoff)); 504 1.5.10.2 jmc 505 1.5.10.2 jmc if (sc->sc_dtr == onoff) 506 1.5.10.2 jmc return; 507 1.5.10.2 jmc sc->sc_dtr = onoff; 508 1.5.10.2 jmc 509 1.5.10.2 jmc umodem_set_line_state(sc); 510 1.5.10.2 jmc } 511 1.5.10.2 jmc 512 1.5.10.2 jmc void 513 1.5.10.2 jmc umodem_rts(struct umodem_softc *sc, int onoff) 514 1.5.10.2 jmc { 515 1.5.10.2 jmc DPRINTF(("umodem_rts: onoff=%d\n", onoff)); 516 1.5.10.2 jmc 517 1.5.10.2 jmc if (sc->sc_rts == onoff) 518 1.5.10.2 jmc return; 519 1.5.10.2 jmc sc->sc_rts = onoff; 520 1.5.10.2 jmc 521 1.5.10.2 jmc umodem_set_line_state(sc); 522 1.5.10.2 jmc } 523 1.5.10.2 jmc 524 1.5.10.2 jmc void 525 1.5.10.2 jmc umodem_set_line_state(struct umodem_softc *sc) 526 1.5.10.2 jmc { 527 1.5.10.2 jmc usb_device_request_t req; 528 1.5.10.2 jmc int ls; 529 1.5.10.2 jmc 530 1.5.10.2 jmc ls = (sc->sc_dtr ? UCDC_LINE_DTR : 0) | 531 1.5.10.2 jmc (sc->sc_rts ? UCDC_LINE_RTS : 0); 532 1.5.10.2 jmc req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 533 1.5.10.2 jmc req.bRequest = UCDC_SET_CONTROL_LINE_STATE; 534 1.5.10.2 jmc USETW(req.wValue, ls); 535 1.5.10.2 jmc USETW(req.wIndex, sc->sc_ctl_iface_no); 536 1.5.10.2 jmc USETW(req.wLength, 0); 537 1.5.10.2 jmc 538 1.5.10.2 jmc (void)usbd_do_request(sc->sc_udev, &req, 0); 539 1.5.10.2 jmc 540 1.5.10.2 jmc } 541 1.5.10.2 jmc 542 1.5.10.2 jmc void 543 1.5.10.2 jmc umodem_break(struct umodem_softc *sc, int onoff) 544 1.5.10.2 jmc { 545 1.5.10.2 jmc usb_device_request_t req; 546 1.5.10.2 jmc 547 1.5.10.2 jmc DPRINTF(("umodem_break: onoff=%d\n", onoff)); 548 1.5.10.2 jmc 549 1.5.10.2 jmc if (!(sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK)) 550 1.5.10.2 jmc return; 551 1.5.10.2 jmc 552 1.5.10.2 jmc req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 553 1.5.10.2 jmc req.bRequest = UCDC_SEND_BREAK; 554 1.5.10.2 jmc USETW(req.wValue, onoff ? UCDC_BREAK_ON : UCDC_BREAK_OFF); 555 1.5.10.2 jmc USETW(req.wIndex, sc->sc_ctl_iface_no); 556 1.5.10.2 jmc USETW(req.wLength, 0); 557 1.5.10.2 jmc 558 1.5.10.2 jmc (void)usbd_do_request(sc->sc_udev, &req, 0); 559 1.5.10.2 jmc } 560 1.5.10.2 jmc 561 1.5.10.2 jmc void 562 1.5.10.2 jmc umodem_set(void *addr, int portno, int reg, int onoff) 563 1.5.10.2 jmc { 564 1.5.10.2 jmc struct umodem_softc *sc = addr; 565 1.5.10.2 jmc 566 1.5.10.2 jmc switch (reg) { 567 1.5.10.2 jmc case UCOM_SET_DTR: 568 1.5.10.2 jmc umodem_dtr(sc, onoff); 569 1.5.10.2 jmc break; 570 1.5.10.2 jmc case UCOM_SET_RTS: 571 1.5.10.2 jmc umodem_rts(sc, onoff); 572 1.5.10.2 jmc break; 573 1.5.10.2 jmc case UCOM_SET_BREAK: 574 1.5.10.2 jmc umodem_break(sc, onoff); 575 1.5.10.2 jmc break; 576 1.5.10.2 jmc default: 577 1.5.10.2 jmc break; 578 1.5.10.2 jmc } 579 1.5.10.2 jmc } 580 1.5.10.2 jmc 581 1.5.10.2 jmc usbd_status 582 1.5.10.2 jmc umodem_set_line_coding(struct umodem_softc *sc, usb_cdc_line_state_t *state) 583 1.5.10.2 jmc { 584 1.5.10.2 jmc usb_device_request_t req; 585 1.5.10.2 jmc usbd_status err; 586 1.5.10.2 jmc 587 1.5.10.2 jmc DPRINTF(("umodem_set_line_coding: rate=%d fmt=%d parity=%d bits=%d\n", 588 1.5.10.2 jmc UGETDW(state->dwDTERate), state->bCharFormat, 589 1.5.10.2 jmc state->bParityType, state->bDataBits)); 590 1.5.10.2 jmc 591 1.5.10.2 jmc if (memcmp(state, &sc->sc_line_state, UCDC_LINE_STATE_LENGTH) == 0) { 592 1.5.10.2 jmc DPRINTF(("umodem_set_line_coding: already set\n")); 593 1.5.10.2 jmc return (USBD_NORMAL_COMPLETION); 594 1.5.10.2 jmc } 595 1.5.10.2 jmc 596 1.5.10.2 jmc req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 597 1.5.10.2 jmc req.bRequest = UCDC_SET_LINE_CODING; 598 1.5.10.2 jmc USETW(req.wValue, 0); 599 1.5.10.2 jmc USETW(req.wIndex, sc->sc_ctl_iface_no); 600 1.5.10.2 jmc USETW(req.wLength, UCDC_LINE_STATE_LENGTH); 601 1.5.10.2 jmc 602 1.5.10.2 jmc err = usbd_do_request(sc->sc_udev, &req, state); 603 1.5.10.2 jmc if (err) { 604 1.5.10.2 jmc DPRINTF(("umodem_set_line_coding: failed, err=%s\n", 605 1.5.10.2 jmc usbd_errstr(err))); 606 1.5.10.2 jmc return (err); 607 1.5.10.2 jmc } 608 1.5.10.2 jmc 609 1.5.10.2 jmc sc->sc_line_state = *state; 610 1.5.10.2 jmc 611 1.5.10.2 jmc return (USBD_NORMAL_COMPLETION); 612 1.5.10.2 jmc } 613 1.5.10.2 jmc 614 1.5.10.2 jmc usbd_status 615 1.5.10.2 jmc umodem_set_comm_feature(struct umodem_softc *sc, int feature, int state) 616 1.5.10.2 jmc { 617 1.5.10.2 jmc usb_device_request_t req; 618 1.5.10.2 jmc usbd_status err; 619 1.5.10.2 jmc usb_cdc_abstract_state_t ast; 620 1.5.10.2 jmc 621 1.5.10.2 jmc DPRINTF(("umodem_set_comm_feature: feature=%d state=%d\n", feature, 622 1.5.10.2 jmc state)); 623 1.5.10.2 jmc 624 1.5.10.2 jmc req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 625 1.5.10.2 jmc req.bRequest = UCDC_SET_COMM_FEATURE; 626 1.5.10.2 jmc USETW(req.wValue, feature); 627 1.5.10.2 jmc USETW(req.wIndex, sc->sc_ctl_iface_no); 628 1.5.10.2 jmc USETW(req.wLength, UCDC_ABSTRACT_STATE_LENGTH); 629 1.5.10.2 jmc USETW(ast.wState, state); 630 1.5.10.2 jmc 631 1.5.10.2 jmc err = usbd_do_request(sc->sc_udev, &req, &ast); 632 1.5.10.2 jmc if (err) { 633 1.5.10.2 jmc DPRINTF(("umodem_set_comm_feature: feature=%d, err=%s\n", 634 1.5.10.2 jmc feature, usbd_errstr(err))); 635 1.5.10.2 jmc return (err); 636 1.5.10.2 jmc } 637 1.5.10.2 jmc 638 1.5.10.2 jmc return (USBD_NORMAL_COMPLETION); 639 1.5.10.2 jmc } 640 1.5.10.2 jmc 641 1.5.10.2 jmc int 642 1.5.10.2 jmc umodem_common_activate(struct umodem_softc *sc, enum devact act) 643 1.5.10.2 jmc { 644 1.5.10.2 jmc int rv = 0; 645 1.5.10.2 jmc 646 1.5.10.2 jmc switch (act) { 647 1.5.10.2 jmc case DVACT_ACTIVATE: 648 1.5.10.2 jmc return (EOPNOTSUPP); 649 1.5.10.2 jmc 650 1.5.10.2 jmc case DVACT_DEACTIVATE: 651 1.5.10.2 jmc sc->sc_dying = 1; 652 1.5.10.2 jmc if (sc->sc_subdev) 653 1.5.10.2 jmc rv = config_deactivate(sc->sc_subdev); 654 1.5.10.2 jmc break; 655 1.5.10.2 jmc } 656 1.5.10.2 jmc return (rv); 657 1.5.10.2 jmc } 658 1.5.10.2 jmc 659 1.5.10.2 jmc int 660 1.5.10.2 jmc umodem_common_detach(struct umodem_softc *sc, int flags) 661 1.5.10.2 jmc { 662 1.5.10.2 jmc int rv = 0; 663 1.5.10.2 jmc 664 1.5.10.2 jmc DPRINTF(("umodem_common_detach: sc=%p flags=%d\n", sc, flags)); 665 1.5.10.2 jmc 666 1.5.10.2 jmc sc->sc_dying = 1; 667 1.5.10.2 jmc 668 1.5.10.2 jmc if (sc->sc_subdev != NULL) 669 1.5.10.2 jmc rv = config_detach(sc->sc_subdev, flags); 670 1.5.10.2 jmc 671 1.5.10.2 jmc usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 672 1.5.10.2 jmc USBDEV(sc->sc_dev)); 673 1.5.10.2 jmc 674 1.5.10.2 jmc return (rv); 675 1.5.10.2 jmc } 676 1.5.10.2 jmc 677 1.5.10.2 jmc /* backport glue */ 678 1.5.10.2 jmc /* same as usb_find_desc(), but searches only in the specified interface. */ 679 1.5.10.2 jmc Static usb_descriptor_t * 680 1.5.10.2 jmc usb_find_desc_if(usbd_device_handle dev, int type, int subtype, 681 1.5.10.2 jmc usb_interface_descriptor_t *id) 682 1.5.10.2 jmc { 683 1.5.10.2 jmc usb_descriptor_t *desc; 684 1.5.10.2 jmc usb_config_descriptor_t *cd = usbd_get_config_descriptor(dev); 685 1.5.10.2 jmc uByte *p = (uByte *)cd; 686 1.5.10.2 jmc uByte *end = p + UGETW(cd->wTotalLength); 687 1.5.10.2 jmc 688 1.5.10.2 jmc p = (void *)id; /* start from the interface desc */ 689 1.5.10.2 jmc desc = (usb_descriptor_t *)p; 690 1.5.10.2 jmc p += desc->bLength; /* and skip it */ 691 1.5.10.2 jmc 692 1.5.10.2 jmc while (p < end) { 693 1.5.10.2 jmc desc = (usb_descriptor_t *)p; 694 1.5.10.2 jmc if (desc->bDescriptorType == UDESC_INTERFACE) { 695 1.5.10.2 jmc /* we ran into the next interface --- not found */ 696 1.5.10.2 jmc return (NULL); 697 1.5.10.2 jmc } 698 1.5.10.2 jmc if (desc->bDescriptorType == type && 699 1.5.10.2 jmc subtype == desc->bDescriptorSubtype) 700 1.5.10.2 jmc return (desc); 701 1.5.10.2 jmc p += desc->bLength; 702 1.5.10.2 jmc } 703 1.5.10.2 jmc 704 1.5.10.2 jmc return (NULL); 705 1.5.10.2 jmc } 706 1.5.10.2 jmc /* end glue */ 707
Indexes created Tue Sep 30 07:10:03 GMT 2025