Split common modem part of umodem.c to umodem_common.c and umodemvar.h,
to be shared with other umodem-like drivers.
This commit is contained in:
itohy
parent
5b9e2cc123
commit
70d7fffcc5
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@ -1,4 +1,4 @@
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# $NetBSD: files.usb,v 1.58 2005/01/24 01:36:07 joff Exp $
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# $NetBSD: files.usb,v 1.59 2005/04/15 14:14:09 itohy Exp $
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#
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#
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# Config file and device description for machine-independent USB code.
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# Config file and device description for machine-independent USB code.
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# Included by ports that need it. Ports that use it must provide
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# Included by ports that need it. Ports that use it must provide
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@ -195,7 +195,9 @@ file dev/usb/if_udav.c udav
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# Serial drivers
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# Serial drivers
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# Modems
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# Modems
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device umodem: ucombus
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define umodem_common
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file dev/usb/umodem_common.c umodem_common
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device umodem: ucombus, umodem_common
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attach umodem at uhub
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attach umodem at uhub
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file dev/usb/umodem.c umodem
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file dev/usb/umodem.c umodem
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@ -1,4 +1,4 @@
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/* $NetBSD: umodem.c,v 1.50 2005/04/12 13:12:10 itohy Exp $ */
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/* $NetBSD: umodem.c,v 1.51 2005/04/15 14:14:09 itohy Exp $ */
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/*
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/*
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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* Copyright (c) 1998 The NetBSD Foundation, Inc.
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@ -51,7 +51,7 @@
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*/
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*/
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#include <sys/cdefs.h>
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: umodem.c,v 1.50 2005/04/12 13:12:10 itohy Exp $");
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__KERNEL_RCSID(0, "$NetBSD: umodem.c,v 1.51 2005/04/15 14:14:09 itohy Exp $");
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#include <sys/param.h>
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/systm.h>
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@ -76,6 +76,7 @@ __KERNEL_RCSID(0, "$NetBSD: umodem.c,v 1.50 2005/04/12 13:12:10 itohy Exp $");
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#include <dev/usb/usbdevs.h>
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#include <dev/usb/usbdevs.h>
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#include <dev/usb/ucomvar.h>
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#include <dev/usb/ucomvar.h>
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#include <dev/usb/umodemvar.h>
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#ifdef UMODEM_DEBUG
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#ifdef UMODEM_DEBUG
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#define DPRINTFN(n, x) if (umodemdebug > (n)) logprintf x
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#define DPRINTFN(n, x) if (umodemdebug > (n)) logprintf x
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@ -85,65 +86,6 @@ int umodemdebug = 0;
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#endif
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#endif
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#define DPRINTF(x) DPRINTFN(0, x)
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#define DPRINTF(x) DPRINTFN(0, x)
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/*
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* These are the maximum number of bytes transferred per frame.
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* If some really high speed devices should use this driver they
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* may need to be increased, but this is good enough for normal modems.
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*/
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#define UMODEMIBUFSIZE 64
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#define UMODEMOBUFSIZE 256
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struct umodem_softc {
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USBBASEDEVICE sc_dev; /* base device */
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usbd_device_handle sc_udev; /* USB device */
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int sc_ctl_iface_no;
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usbd_interface_handle sc_ctl_iface; /* control interface */
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int sc_data_iface_no;
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usbd_interface_handle sc_data_iface; /* data interface */
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int sc_cm_cap; /* CM capabilities */
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int sc_acm_cap; /* ACM capabilities */
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int sc_cm_over_data;
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usb_cdc_line_state_t sc_line_state; /* current line state */
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u_char sc_dtr; /* current DTR state */
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u_char sc_rts; /* current RTS state */
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device_ptr_t sc_subdev; /* ucom device */
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u_char sc_opening; /* lock during open */
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u_char sc_dying; /* disconnecting */
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int sc_ctl_notify; /* Notification endpoint */
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usbd_pipe_handle sc_notify_pipe; /* Notification pipe */
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usb_cdc_notification_t sc_notify_buf; /* Notification structure */
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u_char sc_lsr; /* Local status register */
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u_char sc_msr; /* Modem status register */
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};
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Static usbd_status umodem_set_comm_feature(struct umodem_softc *sc,
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int feature, int state);
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Static usbd_status umodem_set_line_coding(struct umodem_softc *sc,
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usb_cdc_line_state_t *state);
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Static void umodem_get_caps(usbd_device_handle, int *, int *,
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usb_interface_descriptor_t *);
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Static void umodem_get_status(void *, int portno, u_char *lsr, u_char *msr);
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Static void umodem_set(void *, int, int, int);
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Static void umodem_dtr(struct umodem_softc *, int);
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Static void umodem_rts(struct umodem_softc *, int);
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Static void umodem_break(struct umodem_softc *, int);
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Static void umodem_set_line_state(struct umodem_softc *);
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Static int umodem_param(void *, int, struct termios *);
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Static int umodem_ioctl(void *, int, u_long, caddr_t, int, usb_proc_ptr );
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Static int umodem_open(void *, int portno);
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Static void umodem_close(void *, int portno);
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Static void umodem_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
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Static struct ucom_methods umodem_methods = {
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Static struct ucom_methods umodem_methods = {
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umodem_get_status,
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umodem_get_status,
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umodem_set,
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umodem_set,
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@ -185,560 +127,35 @@ USB_MATCH(umodem)
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USB_ATTACH(umodem)
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USB_ATTACH(umodem)
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{
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{
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USB_ATTACH_START(umodem, sc, uaa);
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USB_ATTACH_START(umodem, sc, uaa);
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usbd_device_handle dev = uaa->device;
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usb_interface_descriptor_t *id;
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usb_endpoint_descriptor_t *ed;
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const usb_cdc_cm_descriptor_t *cmd;
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char devinfo[1024];
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usbd_status err;
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int data_ifcno;
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int i;
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struct ucom_attach_args uca;
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struct ucom_attach_args uca;
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usbd_devinfo(uaa->device, 0, devinfo, sizeof(devinfo));
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USB_ATTACH_SETUP;
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sc->sc_udev = dev;
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sc->sc_ctl_iface = uaa->iface;
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id = usbd_get_interface_descriptor(sc->sc_ctl_iface);
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printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev),
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devinfo, id->bInterfaceClass, id->bInterfaceSubClass);
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sc->sc_ctl_iface_no = id->bInterfaceNumber;
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umodem_get_caps(dev, &sc->sc_cm_cap, &sc->sc_acm_cap, id);
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/* Get the data interface no. */
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cmd = (usb_cdc_cm_descriptor_t *)usb_find_desc_if(dev,
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UDESC_CS_INTERFACE,
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UDESCSUB_CDC_CM, id);
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if (cmd == NULL) {
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printf("%s: no CM descriptor\n", USBDEVNAME(sc->sc_dev));
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goto bad;
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}
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sc->sc_data_iface_no = data_ifcno = cmd->bDataInterface;
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printf("%s: data interface %d, has %sCM over data, has %sbreak\n",
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USBDEVNAME(sc->sc_dev), data_ifcno,
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sc->sc_cm_cap & USB_CDC_CM_OVER_DATA ? "" : "no ",
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sc->sc_acm_cap & USB_CDC_ACM_HAS_BREAK ? "" : "no ");
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/* Get the data interface too. */
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for (i = 0; i < uaa->nifaces; i++) {
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if (uaa->ifaces[i] != NULL) {
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id = usbd_get_interface_descriptor(uaa->ifaces[i]);
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if (id != NULL && id->bInterfaceNumber == data_ifcno) {
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sc->sc_data_iface = uaa->ifaces[i];
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uaa->ifaces[i] = NULL;
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}
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}
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}
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if (sc->sc_data_iface == NULL) {
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printf("%s: no data interface\n", USBDEVNAME(sc->sc_dev));
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goto bad;
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}
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/*
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* Find the bulk endpoints.
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* Iterate over all endpoints in the data interface and take note.
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*/
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uca.bulkin = uca.bulkout = -1;
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id = usbd_get_interface_descriptor(sc->sc_data_iface);
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for (i = 0; i < id->bNumEndpoints; i++) {
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ed = usbd_interface2endpoint_descriptor(sc->sc_data_iface, i);
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if (ed == NULL) {
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printf("%s: no endpoint descriptor for %d\n",
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USBDEVNAME(sc->sc_dev), i);
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goto bad;
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}
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if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
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(ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
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uca.bulkin = ed->bEndpointAddress;
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} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
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(ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
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uca.bulkout = ed->bEndpointAddress;
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}
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}
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if (uca.bulkin == -1) {
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printf("%s: Could not find data bulk in\n",
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USBDEVNAME(sc->sc_dev));
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goto bad;
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}
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if (uca.bulkout == -1) {
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printf("%s: Could not find data bulk out\n",
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USBDEVNAME(sc->sc_dev));
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goto bad;
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}
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if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_ASSUME_CM_OVER_DATA) {
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sc->sc_cm_over_data = 1;
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} else {
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if (sc->sc_cm_cap & USB_CDC_CM_OVER_DATA) {
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if (sc->sc_acm_cap & USB_CDC_ACM_HAS_FEATURE)
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err = umodem_set_comm_feature(sc,
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UCDC_ABSTRACT_STATE, UCDC_DATA_MULTIPLEXED);
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else
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err = 0;
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if (err) {
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printf("%s: could not set data multiplex mode\n",
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USBDEVNAME(sc->sc_dev));
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goto bad;
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}
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sc->sc_cm_over_data = 1;
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}
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}
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/*
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* The standard allows for notification messages (to indicate things
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* like a modem hangup) to come in via an interrupt endpoint
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* off of the control interface. Iterate over the endpoints on
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* the control interface and see if there are any interrupt
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* endpoints; if there are, then register it.
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*/
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sc->sc_ctl_notify = -1;
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sc->sc_notify_pipe = NULL;
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for (i = 0; i < id->bNumEndpoints; i++) {
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ed = usbd_interface2endpoint_descriptor(sc->sc_ctl_iface, i);
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if (ed == NULL)
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continue;
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if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
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(ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) {
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printf("%s: status change notification available\n",
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USBDEVNAME(sc->sc_dev));
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sc->sc_ctl_notify = ed->bEndpointAddress;
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}
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}
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sc->sc_dtr = -1;
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uca.portno = UCOM_UNK_PORTNO;
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uca.portno = UCOM_UNK_PORTNO;
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/* bulkin, bulkout set above */
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uca.ibufsize = UMODEMIBUFSIZE;
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uca.obufsize = UMODEMOBUFSIZE;
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uca.ibufsizepad = UMODEMIBUFSIZE;
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uca.opkthdrlen = 0;
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uca.device = sc->sc_udev;
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uca.iface = sc->sc_data_iface;
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uca.methods = &umodem_methods;
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uca.methods = &umodem_methods;
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uca.arg = sc;
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uca.info = NULL;
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uca.info = NULL;
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usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
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if (umodem_common_attach(self, sc, uaa, &uca))
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USBDEV(sc->sc_dev));
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USB_ATTACH_ERROR_RETURN;
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DPRINTF(("umodem_attach: sc=%p\n", sc));
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sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, &uca,
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ucomprint, ucomsubmatch);
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USB_ATTACH_SUCCESS_RETURN;
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USB_ATTACH_SUCCESS_RETURN;
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bad:
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sc->sc_dying = 1;
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USB_ATTACH_ERROR_RETURN;
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}
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Static int
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umodem_open(void *addr, int portno)
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{
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struct umodem_softc *sc = addr;
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int err;
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DPRINTF(("umodem_open: sc=%p\n", sc));
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if (sc->sc_ctl_notify != -1 && sc->sc_notify_pipe == NULL) {
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err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_ctl_notify,
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USBD_SHORT_XFER_OK, &sc->sc_notify_pipe, sc,
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&sc->sc_notify_buf, sizeof(sc->sc_notify_buf),
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umodem_intr, USBD_DEFAULT_INTERVAL);
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if (err) {
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DPRINTF(("Failed to establish notify pipe: %s\n",
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usbd_errstr(err)));
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return EIO;
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}
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}
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return 0;
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}
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Static void
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umodem_close(void *addr, int portno)
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{
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struct umodem_softc *sc = addr;
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int err;
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DPRINTF(("umodem_close: sc=%p\n", sc));
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if (sc->sc_notify_pipe != NULL) {
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err = usbd_abort_pipe(sc->sc_notify_pipe);
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if (err)
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printf("%s: abort notify pipe failed: %s\n",
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USBDEVNAME(sc->sc_dev), usbd_errstr(err));
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err = usbd_close_pipe(sc->sc_notify_pipe);
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if (err)
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printf("%s: close notify pipe failed: %s\n",
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USBDEVNAME(sc->sc_dev), usbd_errstr(err));
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sc->sc_notify_pipe = NULL;
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}
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}
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Static void
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umodem_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
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{
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struct umodem_softc *sc = priv;
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u_char mstatus;
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if (sc->sc_dying)
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return;
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if (status != USBD_NORMAL_COMPLETION) {
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if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
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return;
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printf("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev),
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usbd_errstr(status));
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return;
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}
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if (sc->sc_notify_buf.bmRequestType != UCDC_NOTIFICATION) {
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DPRINTF(("%s: unknown message type (%02x) on notify pipe\n",
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USBDEVNAME(sc->sc_dev),
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sc->sc_notify_buf.bmRequestType));
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return;
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}
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switch (sc->sc_notify_buf.bNotification) {
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case UCDC_N_SERIAL_STATE:
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/*
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* Set the serial state in ucom driver based on
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* the bits from the notify message
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*/
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if (UGETW(sc->sc_notify_buf.wLength) != 2) {
|
|
||||||
printf("%s: Invalid notification length! (%d)\n",
|
|
||||||
USBDEVNAME(sc->sc_dev),
|
|
||||||
UGETW(sc->sc_notify_buf.wLength));
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
DPRINTF(("%s: notify bytes = %02x%02x\n",
|
|
||||||
USBDEVNAME(sc->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 |= UMSR_RI;
|
|
||||||
if (ISSET(mstatus, UCDC_N_SERIAL_DSR))
|
|
||||||
sc->sc_msr |= UMSR_DSR;
|
|
||||||
if (ISSET(mstatus, UCDC_N_SERIAL_DCD))
|
|
||||||
sc->sc_msr |= UMSR_DCD;
|
|
||||||
ucom_status_change((struct ucom_softc *)sc->sc_subdev);
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
DPRINTF(("%s: unknown notify message: %02x\n",
|
|
||||||
USBDEVNAME(sc->sc_dev),
|
|
||||||
sc->sc_notify_buf.bNotification));
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
void
|
|
||||||
umodem_get_caps(usbd_device_handle dev, int *cm, int *acm,
|
|
||||||
usb_interface_descriptor_t *id)
|
|
||||||
{
|
|
||||||
const usb_cdc_cm_descriptor_t *cmd;
|
|
||||||
const usb_cdc_acm_descriptor_t *cad;
|
|
||||||
|
|
||||||
*cm = *acm = 0;
|
|
||||||
|
|
||||||
cmd = (usb_cdc_cm_descriptor_t *)usb_find_desc_if(dev,
|
|
||||||
UDESC_CS_INTERFACE,
|
|
||||||
UDESCSUB_CDC_CM, id);
|
|
||||||
if (cmd == NULL) {
|
|
||||||
DPRINTF(("umodem_get_desc: no CM desc\n"));
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
*cm = cmd->bmCapabilities;
|
|
||||||
|
|
||||||
cad = (usb_cdc_acm_descriptor_t *)usb_find_desc_if(dev,
|
|
||||||
UDESC_CS_INTERFACE,
|
|
||||||
UDESCSUB_CDC_ACM,
|
|
||||||
id);
|
|
||||||
if (cad == NULL) {
|
|
||||||
DPRINTF(("umodem_get_desc: no ACM desc\n"));
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
*acm = cad->bmCapabilities;
|
|
||||||
}
|
|
||||||
|
|
||||||
void
|
|
||||||
umodem_get_status(void *addr, int portno, u_char *lsr, u_char *msr)
|
|
||||||
{
|
|
||||||
struct umodem_softc *sc = addr;
|
|
||||||
|
|
||||||
DPRINTF(("umodem_get_status:\n"));
|
|
||||||
|
|
||||||
if (lsr != NULL)
|
|
||||||
*lsr = sc->sc_lsr;
|
|
||||||
if (msr != NULL)
|
|
||||||
*msr = sc->sc_msr;
|
|
||||||
}
|
|
||||||
|
|
||||||
int
|
|
||||||
umodem_param(void *addr, int portno, struct termios *t)
|
|
||||||
{
|
|
||||||
struct umodem_softc *sc = addr;
|
|
||||||
usbd_status err;
|
|
||||||
usb_cdc_line_state_t ls;
|
|
||||||
|
|
||||||
DPRINTF(("umodem_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 = umodem_set_line_coding(sc, &ls);
|
|
||||||
if (err) {
|
|
||||||
DPRINTF(("umodem_param: err=%s\n", usbd_errstr(err)));
|
|
||||||
return (EPASSTHROUGH);
|
|
||||||
}
|
|
||||||
return (0);
|
|
||||||
}
|
|
||||||
|
|
||||||
int
|
|
||||||
umodem_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag,
|
|
||||||
usb_proc_ptr p)
|
|
||||||
{
|
|
||||||
struct umodem_softc *sc = addr;
|
|
||||||
int error = 0;
|
|
||||||
|
|
||||||
if (sc->sc_dying)
|
|
||||||
return (EIO);
|
|
||||||
|
|
||||||
DPRINTF(("umodemioctl: cmd=0x%08lx\n", cmd));
|
|
||||||
|
|
||||||
switch (cmd) {
|
|
||||||
case USB_GET_CM_OVER_DATA:
|
|
||||||
*(int *)data = sc->sc_cm_over_data;
|
|
||||||
break;
|
|
||||||
|
|
||||||
case USB_SET_CM_OVER_DATA:
|
|
||||||
if (*(int *)data != sc->sc_cm_over_data) {
|
|
||||||
/* XXX change it */
|
|
||||||
}
|
|
||||||
break;
|
|
||||||
|
|
||||||
default:
|
|
||||||
DPRINTF(("umodemioctl: unknown\n"));
|
|
||||||
error = EPASSTHROUGH;
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
return (error);
|
|
||||||
}
|
|
||||||
|
|
||||||
void
|
|
||||||
umodem_dtr(struct umodem_softc *sc, int onoff)
|
|
||||||
{
|
|
||||||
DPRINTF(("umodem_modem: onoff=%d\n", onoff));
|
|
||||||
|
|
||||||
if (sc->sc_dtr == onoff)
|
|
||||||
return;
|
|
||||||
sc->sc_dtr = onoff;
|
|
||||||
|
|
||||||
umodem_set_line_state(sc);
|
|
||||||
}
|
|
||||||
|
|
||||||
void
|
|
||||||
umodem_rts(struct umodem_softc *sc, int onoff)
|
|
||||||
{
|
|
||||||
DPRINTF(("umodem_modem: onoff=%d\n", onoff));
|
|
||||||
|
|
||||||
if (sc->sc_rts == onoff)
|
|
||||||
return;
|
|
||||||
sc->sc_rts = onoff;
|
|
||||||
|
|
||||||
umodem_set_line_state(sc);
|
|
||||||
}
|
|
||||||
|
|
||||||
void
|
|
||||||
umodem_set_line_state(struct umodem_softc *sc)
|
|
||||||
{
|
|
||||||
usb_device_request_t req;
|
|
||||||
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(sc->sc_udev, &req, 0);
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
void
|
|
||||||
umodem_break(struct umodem_softc *sc, int onoff)
|
|
||||||
{
|
|
||||||
usb_device_request_t req;
|
|
||||||
|
|
||||||
DPRINTF(("umodem_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(sc->sc_udev, &req, 0);
|
|
||||||
}
|
|
||||||
|
|
||||||
void
|
|
||||||
umodem_set(void *addr, int portno, int reg, int onoff)
|
|
||||||
{
|
|
||||||
struct umodem_softc *sc = addr;
|
|
||||||
|
|
||||||
switch (reg) {
|
|
||||||
case UCOM_SET_DTR:
|
|
||||||
umodem_dtr(sc, onoff);
|
|
||||||
break;
|
|
||||||
case UCOM_SET_RTS:
|
|
||||||
umodem_rts(sc, onoff);
|
|
||||||
break;
|
|
||||||
case UCOM_SET_BREAK:
|
|
||||||
umodem_break(sc, onoff);
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
usbd_status
|
|
||||||
umodem_set_line_coding(struct umodem_softc *sc, usb_cdc_line_state_t *state)
|
|
||||||
{
|
|
||||||
usb_device_request_t req;
|
|
||||||
usbd_status err;
|
|
||||||
|
|
||||||
DPRINTF(("umodem_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(("umodem_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(sc->sc_udev, &req, state);
|
|
||||||
if (err) {
|
|
||||||
DPRINTF(("umodem_set_line_coding: failed, err=%s\n",
|
|
||||||
usbd_errstr(err)));
|
|
||||||
return (err);
|
|
||||||
}
|
|
||||||
|
|
||||||
sc->sc_line_state = *state;
|
|
||||||
|
|
||||||
return (USBD_NORMAL_COMPLETION);
|
|
||||||
}
|
|
||||||
|
|
||||||
usbd_status
|
|
||||||
umodem_set_comm_feature(struct umodem_softc *sc, int feature, int state)
|
|
||||||
{
|
|
||||||
usb_device_request_t req;
|
|
||||||
usbd_status err;
|
|
||||||
usb_cdc_abstract_state_t ast;
|
|
||||||
|
|
||||||
DPRINTF(("umodem_set_comm_feature: feature=%d state=%d\n", feature,
|
|
||||||
state));
|
|
||||||
|
|
||||||
req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
|
|
||||||
req.bRequest = UCDC_SET_COMM_FEATURE;
|
|
||||||
USETW(req.wValue, feature);
|
|
||||||
USETW(req.wIndex, sc->sc_ctl_iface_no);
|
|
||||||
USETW(req.wLength, UCDC_ABSTRACT_STATE_LENGTH);
|
|
||||||
USETW(ast.wState, state);
|
|
||||||
|
|
||||||
err = usbd_do_request(sc->sc_udev, &req, &ast);
|
|
||||||
if (err) {
|
|
||||||
DPRINTF(("umodem_set_comm_feature: feature=%d, err=%s\n",
|
|
||||||
feature, usbd_errstr(err)));
|
|
||||||
return (err);
|
|
||||||
}
|
|
||||||
|
|
||||||
return (USBD_NORMAL_COMPLETION);
|
|
||||||
}
|
}
|
||||||
|
|
||||||
|
#ifdef __strong_alias
|
||||||
|
__strong_alias(umodem_activate,umodem_common_activate)
|
||||||
|
#else
|
||||||
int
|
int
|
||||||
umodem_activate(device_ptr_t self, enum devact act)
|
umodem_activate(device_ptr_t self, enum devact act)
|
||||||
{
|
{
|
||||||
struct umodem_softc *sc = (struct umodem_softc *)self;
|
struct umodem_softc *sc = (struct umodem_softc *)self;
|
||||||
int rv = 0;
|
|
||||||
|
|
||||||
switch (act) {
|
return umodem_common_activate(sc, act);
|
||||||
case DVACT_ACTIVATE:
|
|
||||||
return (EOPNOTSUPP);
|
|
||||||
|
|
||||||
case DVACT_DEACTIVATE:
|
|
||||||
sc->sc_dying = 1;
|
|
||||||
if (sc->sc_subdev)
|
|
||||||
rv = config_deactivate(sc->sc_subdev);
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
return (rv);
|
|
||||||
}
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
USB_DETACH(umodem)
|
USB_DETACH(umodem)
|
||||||
{
|
{
|
||||||
USB_DETACH_START(umodem, sc);
|
USB_DETACH_START(umodem, sc);
|
||||||
int rv = 0;
|
#ifdef __FreeBSD__
|
||||||
|
int flags = 0;
|
||||||
|
#endif
|
||||||
|
|
||||||
DPRINTF(("umodem_detach: sc=%p flags=%d\n", sc, flags));
|
return umodem_common_detach(sc, flags);
|
||||||
|
|
||||||
sc->sc_dying = 1;
|
|
||||||
|
|
||||||
if (sc->sc_subdev != NULL)
|
|
||||||
rv = config_detach(sc->sc_subdev, flags);
|
|
||||||
|
|
||||||
usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
|
|
||||||
USBDEV(sc->sc_dev));
|
|
||||||
|
|
||||||
return (rv);
|
|
||||||
}
|
}
|
||||||
|
|
|
||||||
|
|
@ -0,0 +1,663 @@
|
||||||
|
/* $NetBSD: umodem_common.c,v 1.1 2005/04/15 14:14:09 itohy Exp $ */
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Copyright (c) 1998 The NetBSD Foundation, Inc.
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* This code is derived from software contributed to The NetBSD Foundation
|
||||||
|
* by Lennart Augustsson (lennart@augustsson.net) at
|
||||||
|
* Carlstedt Research & Technology.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions
|
||||||
|
* are met:
|
||||||
|
* 1. Redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer.
|
||||||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution.
|
||||||
|
* 3. All advertising materials mentioning features or use of this software
|
||||||
|
* must display the following acknowledgement:
|
||||||
|
* This product includes software developed by the NetBSD
|
||||||
|
* Foundation, Inc. and its contributors.
|
||||||
|
* 4. Neither the name of The NetBSD Foundation nor the names of its
|
||||||
|
* contributors may be used to endorse or promote products derived
|
||||||
|
* from this software without specific prior written permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
|
||||||
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
|
||||||
|
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
||||||
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
|
||||||
|
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||||
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||||
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||||
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||||
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||||
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||||
|
* POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Comm Class spec: http://www.usb.org/developers/devclass_docs/usbccs10.pdf
|
||||||
|
* http://www.usb.org/developers/devclass_docs/usbcdc11.pdf
|
||||||
|
*/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* TODO:
|
||||||
|
* - Add error recovery in various places; the big problem is what
|
||||||
|
* to do in a callback if there is an error.
|
||||||
|
* - Implement a Call Device for modems without multiplexed commands.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <sys/cdefs.h>
|
||||||
|
__KERNEL_RCSID(0, "$NetBSD: umodem_common.c,v 1.1 2005/04/15 14:14:09 itohy Exp $");
|
||||||
|
|
||||||
|
#include <sys/param.h>
|
||||||
|
#include <sys/systm.h>
|
||||||
|
#include <sys/kernel.h>
|
||||||
|
#include <sys/ioctl.h>
|
||||||
|
#include <sys/conf.h>
|
||||||
|
#include <sys/tty.h>
|
||||||
|
#include <sys/file.h>
|
||||||
|
#include <sys/select.h>
|
||||||
|
#include <sys/proc.h>
|
||||||
|
#include <sys/vnode.h>
|
||||||
|
#include <sys/device.h>
|
||||||
|
#include <sys/poll.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/usbdevs.h>
|
||||||
|
#include <dev/usb/usb_quirks.h>
|
||||||
|
|
||||||
|
#include <dev/usb/usbdevs.h>
|
||||||
|
#include <dev/usb/ucomvar.h>
|
||||||
|
#include <dev/usb/umodemvar.h>
|
||||||
|
|
||||||
|
#ifdef UMODEM_DEBUG
|
||||||
|
#define DPRINTFN(n, x) if (umodemdebug > (n)) logprintf x
|
||||||
|
int umodemdebug = 0;
|
||||||
|
#else
|
||||||
|
#define DPRINTFN(n, x)
|
||||||
|
#endif
|
||||||
|
#define DPRINTF(x) DPRINTFN(0, x)
|
||||||
|
|
||||||
|
/*
|
||||||
|
* These are the maximum number of bytes transferred per frame.
|
||||||
|
* If some really high speed devices should use this driver they
|
||||||
|
* may need to be increased, but this is good enough for normal modems.
|
||||||
|
*/
|
||||||
|
#define UMODEMIBUFSIZE 64
|
||||||
|
#define UMODEMOBUFSIZE 256
|
||||||
|
|
||||||
|
Static usbd_status umodem_set_comm_feature(struct umodem_softc *sc,
|
||||||
|
int feature, int state);
|
||||||
|
Static usbd_status umodem_set_line_coding(struct umodem_softc *sc,
|
||||||
|
usb_cdc_line_state_t *state);
|
||||||
|
|
||||||
|
Static void umodem_dtr(struct umodem_softc *, int);
|
||||||
|
Static void umodem_rts(struct umodem_softc *, int);
|
||||||
|
Static void umodem_break(struct umodem_softc *, int);
|
||||||
|
Static void umodem_set_line_state(struct umodem_softc *);
|
||||||
|
Static void umodem_intr(usbd_xfer_handle, usbd_private_handle, usbd_status);
|
||||||
|
|
||||||
|
int
|
||||||
|
umodem_common_attach(device_ptr_t self, struct umodem_softc *sc,
|
||||||
|
struct usb_attach_arg *uaa, struct ucom_attach_args *uca)
|
||||||
|
{
|
||||||
|
usbd_device_handle dev = uaa->device;
|
||||||
|
usb_interface_descriptor_t *id;
|
||||||
|
usb_endpoint_descriptor_t *ed;
|
||||||
|
const usb_cdc_cm_descriptor_t *cmd;
|
||||||
|
char devinfo[1024];
|
||||||
|
usbd_status err;
|
||||||
|
int data_ifcno;
|
||||||
|
int i;
|
||||||
|
|
||||||
|
usbd_devinfo(uaa->device, 0, devinfo, sizeof(devinfo));
|
||||||
|
USB_ATTACH_SETUP;
|
||||||
|
|
||||||
|
sc->sc_udev = dev;
|
||||||
|
sc->sc_ctl_iface = uaa->iface;
|
||||||
|
|
||||||
|
id = usbd_get_interface_descriptor(sc->sc_ctl_iface);
|
||||||
|
printf("%s: %s, iclass %d/%d\n", USBDEVNAME(sc->sc_dev),
|
||||||
|
devinfo, id->bInterfaceClass, id->bInterfaceSubClass);
|
||||||
|
sc->sc_ctl_iface_no = id->bInterfaceNumber;
|
||||||
|
|
||||||
|
umodem_get_caps(dev, &sc->sc_cm_cap, &sc->sc_acm_cap, id);
|
||||||
|
|
||||||
|
/* Get the data interface no. */
|
||||||
|
cmd = (usb_cdc_cm_descriptor_t *)usb_find_desc_if(dev,
|
||||||
|
UDESC_CS_INTERFACE,
|
||||||
|
UDESCSUB_CDC_CM, id);
|
||||||
|
if (cmd == NULL) {
|
||||||
|
printf("%s: no CM descriptor\n", USBDEVNAME(sc->sc_dev));
|
||||||
|
goto bad;
|
||||||
|
}
|
||||||
|
sc->sc_data_iface_no = data_ifcno = cmd->bDataInterface;
|
||||||
|
|
||||||
|
printf("%s: data interface %d, has %sCM over data, has %sbreak\n",
|
||||||
|
USBDEVNAME(sc->sc_dev), data_ifcno,
|
||||||
|
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 < uaa->nifaces; i++) {
|
||||||
|
if (uaa->ifaces[i] != NULL) {
|
||||||
|
id = usbd_get_interface_descriptor(uaa->ifaces[i]);
|
||||||
|
if (id != NULL && id->bInterfaceNumber == data_ifcno) {
|
||||||
|
sc->sc_data_iface = uaa->ifaces[i];
|
||||||
|
uaa->ifaces[i] = NULL;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if (sc->sc_data_iface == NULL) {
|
||||||
|
printf("%s: no data interface\n", USBDEVNAME(sc->sc_dev));
|
||||||
|
goto bad;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Find the bulk endpoints.
|
||||||
|
* Iterate over all endpoints in the data interface and take note.
|
||||||
|
*/
|
||||||
|
uca->bulkin = uca->bulkout = -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: no endpoint descriptor for %d\n",
|
||||||
|
USBDEVNAME(sc->sc_dev), i);
|
||||||
|
goto bad;
|
||||||
|
}
|
||||||
|
if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
|
||||||
|
(ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
|
||||||
|
uca->bulkin = ed->bEndpointAddress;
|
||||||
|
} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
|
||||||
|
(ed->bmAttributes & UE_XFERTYPE) == UE_BULK) {
|
||||||
|
uca->bulkout = ed->bEndpointAddress;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (uca->bulkin == -1) {
|
||||||
|
printf("%s: Could not find data bulk in\n",
|
||||||
|
USBDEVNAME(sc->sc_dev));
|
||||||
|
goto bad;
|
||||||
|
}
|
||||||
|
if (uca->bulkout == -1) {
|
||||||
|
printf("%s: Could not find data bulk out\n",
|
||||||
|
USBDEVNAME(sc->sc_dev));
|
||||||
|
goto bad;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (usbd_get_quirks(sc->sc_udev)->uq_flags & UQ_ASSUME_CM_OVER_DATA) {
|
||||||
|
sc->sc_cm_over_data = 1;
|
||||||
|
} else {
|
||||||
|
if (sc->sc_cm_cap & USB_CDC_CM_OVER_DATA) {
|
||||||
|
if (sc->sc_acm_cap & USB_CDC_ACM_HAS_FEATURE)
|
||||||
|
err = umodem_set_comm_feature(sc,
|
||||||
|
UCDC_ABSTRACT_STATE, UCDC_DATA_MULTIPLEXED);
|
||||||
|
else
|
||||||
|
err = 0;
|
||||||
|
if (err) {
|
||||||
|
printf("%s: could not set data multiplex mode\n",
|
||||||
|
USBDEVNAME(sc->sc_dev));
|
||||||
|
goto bad;
|
||||||
|
}
|
||||||
|
sc->sc_cm_over_data = 1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* The standard allows for notification messages (to indicate things
|
||||||
|
* like a modem hangup) to come in via an interrupt endpoint
|
||||||
|
* off of the control interface. Iterate over the endpoints on
|
||||||
|
* the control interface and see if there are any interrupt
|
||||||
|
* endpoints; if there are, then register it.
|
||||||
|
*/
|
||||||
|
|
||||||
|
sc->sc_ctl_notify = -1;
|
||||||
|
sc->sc_notify_pipe = NULL;
|
||||||
|
|
||||||
|
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) {
|
||||||
|
printf("%s: status change notification available\n",
|
||||||
|
USBDEVNAME(sc->sc_dev));
|
||||||
|
sc->sc_ctl_notify = ed->bEndpointAddress;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
sc->sc_dtr = -1;
|
||||||
|
|
||||||
|
/* bulkin, bulkout set above */
|
||||||
|
uca->ibufsize = UMODEMIBUFSIZE;
|
||||||
|
uca->obufsize = UMODEMOBUFSIZE;
|
||||||
|
uca->ibufsizepad = UMODEMIBUFSIZE;
|
||||||
|
uca->opkthdrlen = 0;
|
||||||
|
uca->device = sc->sc_udev;
|
||||||
|
uca->iface = sc->sc_data_iface;
|
||||||
|
uca->arg = sc;
|
||||||
|
|
||||||
|
usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
|
||||||
|
USBDEV(sc->sc_dev));
|
||||||
|
|
||||||
|
DPRINTF(("umodem_common_attach: sc=%p\n", sc));
|
||||||
|
sc->sc_subdev = config_found_sm_loc(self, "ucombus", NULL, uca,
|
||||||
|
ucomprint, ucomsubmatch);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
|
||||||
|
bad:
|
||||||
|
sc->sc_dying = 1;
|
||||||
|
return 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
umodem_open(void *addr, int portno)
|
||||||
|
{
|
||||||
|
struct umodem_softc *sc = addr;
|
||||||
|
int err;
|
||||||
|
|
||||||
|
DPRINTF(("umodem_open: sc=%p\n", sc));
|
||||||
|
|
||||||
|
if (sc->sc_ctl_notify != -1 && sc->sc_notify_pipe == NULL) {
|
||||||
|
err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_ctl_notify,
|
||||||
|
USBD_SHORT_XFER_OK, &sc->sc_notify_pipe, sc,
|
||||||
|
&sc->sc_notify_buf, sizeof(sc->sc_notify_buf),
|
||||||
|
umodem_intr, USBD_DEFAULT_INTERVAL);
|
||||||
|
|
||||||
|
if (err) {
|
||||||
|
DPRINTF(("Failed to establish notify pipe: %s\n",
|
||||||
|
usbd_errstr(err)));
|
||||||
|
return EIO;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
umodem_close(void *addr, int portno)
|
||||||
|
{
|
||||||
|
struct umodem_softc *sc = addr;
|
||||||
|
int err;
|
||||||
|
|
||||||
|
DPRINTF(("umodem_close: sc=%p\n", sc));
|
||||||
|
|
||||||
|
if (sc->sc_notify_pipe != NULL) {
|
||||||
|
err = usbd_abort_pipe(sc->sc_notify_pipe);
|
||||||
|
if (err)
|
||||||
|
printf("%s: abort notify pipe failed: %s\n",
|
||||||
|
USBDEVNAME(sc->sc_dev), usbd_errstr(err));
|
||||||
|
err = usbd_close_pipe(sc->sc_notify_pipe);
|
||||||
|
if (err)
|
||||||
|
printf("%s: close notify pipe failed: %s\n",
|
||||||
|
USBDEVNAME(sc->sc_dev), usbd_errstr(err));
|
||||||
|
sc->sc_notify_pipe = NULL;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
Static void
|
||||||
|
umodem_intr(usbd_xfer_handle xfer, usbd_private_handle priv, usbd_status status)
|
||||||
|
{
|
||||||
|
struct umodem_softc *sc = priv;
|
||||||
|
u_char mstatus;
|
||||||
|
|
||||||
|
if (sc->sc_dying)
|
||||||
|
return;
|
||||||
|
|
||||||
|
if (status != USBD_NORMAL_COMPLETION) {
|
||||||
|
if (status == USBD_NOT_STARTED || status == USBD_CANCELLED)
|
||||||
|
return;
|
||||||
|
printf("%s: abnormal status: %s\n", USBDEVNAME(sc->sc_dev),
|
||||||
|
usbd_errstr(status));
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (sc->sc_notify_buf.bmRequestType != UCDC_NOTIFICATION) {
|
||||||
|
DPRINTF(("%s: unknown message type (%02x) on notify pipe\n",
|
||||||
|
USBDEVNAME(sc->sc_dev),
|
||||||
|
sc->sc_notify_buf.bmRequestType));
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
switch (sc->sc_notify_buf.bNotification) {
|
||||||
|
case UCDC_N_SERIAL_STATE:
|
||||||
|
/*
|
||||||
|
* 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",
|
||||||
|
USBDEVNAME(sc->sc_dev),
|
||||||
|
UGETW(sc->sc_notify_buf.wLength));
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
DPRINTF(("%s: notify bytes = %02x%02x\n",
|
||||||
|
USBDEVNAME(sc->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 |= UMSR_RI;
|
||||||
|
if (ISSET(mstatus, UCDC_N_SERIAL_DSR))
|
||||||
|
sc->sc_msr |= UMSR_DSR;
|
||||||
|
if (ISSET(mstatus, UCDC_N_SERIAL_DCD))
|
||||||
|
sc->sc_msr |= UMSR_DCD;
|
||||||
|
ucom_status_change((struct ucom_softc *)sc->sc_subdev);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
DPRINTF(("%s: unknown notify message: %02x\n",
|
||||||
|
USBDEVNAME(sc->sc_dev),
|
||||||
|
sc->sc_notify_buf.bNotification));
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
umodem_get_caps(usbd_device_handle dev, int *cm, int *acm,
|
||||||
|
usb_interface_descriptor_t *id)
|
||||||
|
{
|
||||||
|
const usb_cdc_cm_descriptor_t *cmd;
|
||||||
|
const usb_cdc_acm_descriptor_t *cad;
|
||||||
|
|
||||||
|
*cm = *acm = 0;
|
||||||
|
|
||||||
|
cmd = (usb_cdc_cm_descriptor_t *)usb_find_desc_if(dev,
|
||||||
|
UDESC_CS_INTERFACE,
|
||||||
|
UDESCSUB_CDC_CM, id);
|
||||||
|
if (cmd == NULL) {
|
||||||
|
DPRINTF(("umodem_get_desc: no CM desc\n"));
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
*cm = cmd->bmCapabilities;
|
||||||
|
|
||||||
|
cad = (usb_cdc_acm_descriptor_t *)usb_find_desc_if(dev,
|
||||||
|
UDESC_CS_INTERFACE,
|
||||||
|
UDESCSUB_CDC_ACM,
|
||||||
|
id);
|
||||||
|
if (cad == NULL) {
|
||||||
|
DPRINTF(("umodem_get_desc: no ACM desc\n"));
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
*acm = cad->bmCapabilities;
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
umodem_get_status(void *addr, int portno, u_char *lsr, u_char *msr)
|
||||||
|
{
|
||||||
|
struct umodem_softc *sc = addr;
|
||||||
|
|
||||||
|
DPRINTF(("umodem_get_status:\n"));
|
||||||
|
|
||||||
|
if (lsr != NULL)
|
||||||
|
*lsr = sc->sc_lsr;
|
||||||
|
if (msr != NULL)
|
||||||
|
*msr = sc->sc_msr;
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
umodem_param(void *addr, int portno, struct termios *t)
|
||||||
|
{
|
||||||
|
struct umodem_softc *sc = addr;
|
||||||
|
usbd_status err;
|
||||||
|
usb_cdc_line_state_t ls;
|
||||||
|
|
||||||
|
DPRINTF(("umodem_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 = umodem_set_line_coding(sc, &ls);
|
||||||
|
if (err) {
|
||||||
|
DPRINTF(("umodem_param: err=%s\n", usbd_errstr(err)));
|
||||||
|
return (EPASSTHROUGH);
|
||||||
|
}
|
||||||
|
return (0);
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
umodem_ioctl(void *addr, int portno, u_long cmd, caddr_t data, int flag,
|
||||||
|
usb_proc_ptr p)
|
||||||
|
{
|
||||||
|
struct umodem_softc *sc = addr;
|
||||||
|
int error = 0;
|
||||||
|
|
||||||
|
if (sc->sc_dying)
|
||||||
|
return (EIO);
|
||||||
|
|
||||||
|
DPRINTF(("umodemioctl: cmd=0x%08lx\n", cmd));
|
||||||
|
|
||||||
|
switch (cmd) {
|
||||||
|
case USB_GET_CM_OVER_DATA:
|
||||||
|
*(int *)data = sc->sc_cm_over_data;
|
||||||
|
break;
|
||||||
|
|
||||||
|
case USB_SET_CM_OVER_DATA:
|
||||||
|
if (*(int *)data != sc->sc_cm_over_data) {
|
||||||
|
/* XXX change it */
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
default:
|
||||||
|
DPRINTF(("umodemioctl: unknown\n"));
|
||||||
|
error = EPASSTHROUGH;
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
return (error);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
umodem_dtr(struct umodem_softc *sc, int onoff)
|
||||||
|
{
|
||||||
|
DPRINTF(("umodem_modem: onoff=%d\n", onoff));
|
||||||
|
|
||||||
|
if (sc->sc_dtr == onoff)
|
||||||
|
return;
|
||||||
|
sc->sc_dtr = onoff;
|
||||||
|
|
||||||
|
umodem_set_line_state(sc);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
umodem_rts(struct umodem_softc *sc, int onoff)
|
||||||
|
{
|
||||||
|
DPRINTF(("umodem_modem: onoff=%d\n", onoff));
|
||||||
|
|
||||||
|
if (sc->sc_rts == onoff)
|
||||||
|
return;
|
||||||
|
sc->sc_rts = onoff;
|
||||||
|
|
||||||
|
umodem_set_line_state(sc);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
umodem_set_line_state(struct umodem_softc *sc)
|
||||||
|
{
|
||||||
|
usb_device_request_t req;
|
||||||
|
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(sc->sc_udev, &req, 0);
|
||||||
|
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
umodem_break(struct umodem_softc *sc, int onoff)
|
||||||
|
{
|
||||||
|
usb_device_request_t req;
|
||||||
|
|
||||||
|
DPRINTF(("umodem_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(sc->sc_udev, &req, 0);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
umodem_set(void *addr, int portno, int reg, int onoff)
|
||||||
|
{
|
||||||
|
struct umodem_softc *sc = addr;
|
||||||
|
|
||||||
|
switch (reg) {
|
||||||
|
case UCOM_SET_DTR:
|
||||||
|
umodem_dtr(sc, onoff);
|
||||||
|
break;
|
||||||
|
case UCOM_SET_RTS:
|
||||||
|
umodem_rts(sc, onoff);
|
||||||
|
break;
|
||||||
|
case UCOM_SET_BREAK:
|
||||||
|
umodem_break(sc, onoff);
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
usbd_status
|
||||||
|
umodem_set_line_coding(struct umodem_softc *sc, usb_cdc_line_state_t *state)
|
||||||
|
{
|
||||||
|
usb_device_request_t req;
|
||||||
|
usbd_status err;
|
||||||
|
|
||||||
|
DPRINTF(("umodem_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(("umodem_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(sc->sc_udev, &req, state);
|
||||||
|
if (err) {
|
||||||
|
DPRINTF(("umodem_set_line_coding: failed, err=%s\n",
|
||||||
|
usbd_errstr(err)));
|
||||||
|
return (err);
|
||||||
|
}
|
||||||
|
|
||||||
|
sc->sc_line_state = *state;
|
||||||
|
|
||||||
|
return (USBD_NORMAL_COMPLETION);
|
||||||
|
}
|
||||||
|
|
||||||
|
usbd_status
|
||||||
|
umodem_set_comm_feature(struct umodem_softc *sc, int feature, int state)
|
||||||
|
{
|
||||||
|
usb_device_request_t req;
|
||||||
|
usbd_status err;
|
||||||
|
usb_cdc_abstract_state_t ast;
|
||||||
|
|
||||||
|
DPRINTF(("umodem_set_comm_feature: feature=%d state=%d\n", feature,
|
||||||
|
state));
|
||||||
|
|
||||||
|
req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
|
||||||
|
req.bRequest = UCDC_SET_COMM_FEATURE;
|
||||||
|
USETW(req.wValue, feature);
|
||||||
|
USETW(req.wIndex, sc->sc_ctl_iface_no);
|
||||||
|
USETW(req.wLength, UCDC_ABSTRACT_STATE_LENGTH);
|
||||||
|
USETW(ast.wState, state);
|
||||||
|
|
||||||
|
err = usbd_do_request(sc->sc_udev, &req, &ast);
|
||||||
|
if (err) {
|
||||||
|
DPRINTF(("umodem_set_comm_feature: feature=%d, err=%s\n",
|
||||||
|
feature, usbd_errstr(err)));
|
||||||
|
return (err);
|
||||||
|
}
|
||||||
|
|
||||||
|
return (USBD_NORMAL_COMPLETION);
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
umodem_common_activate(struct umodem_softc *sc, enum devact act)
|
||||||
|
{
|
||||||
|
int rv = 0;
|
||||||
|
|
||||||
|
switch (act) {
|
||||||
|
case DVACT_ACTIVATE:
|
||||||
|
return (EOPNOTSUPP);
|
||||||
|
|
||||||
|
case DVACT_DEACTIVATE:
|
||||||
|
sc->sc_dying = 1;
|
||||||
|
if (sc->sc_subdev)
|
||||||
|
rv = config_deactivate(sc->sc_subdev);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
return (rv);
|
||||||
|
}
|
||||||
|
|
||||||
|
int
|
||||||
|
umodem_common_detach(struct umodem_softc *sc, int flags)
|
||||||
|
{
|
||||||
|
int rv = 0;
|
||||||
|
|
||||||
|
DPRINTF(("umodem_common_detach: sc=%p flags=%d\n", sc, flags));
|
||||||
|
|
||||||
|
sc->sc_dying = 1;
|
||||||
|
|
||||||
|
if (sc->sc_subdev != NULL)
|
||||||
|
rv = config_detach(sc->sc_subdev, flags);
|
||||||
|
|
||||||
|
usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
|
||||||
|
USBDEV(sc->sc_dev));
|
||||||
|
|
||||||
|
return (rv);
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,84 @@
|
||||||
|
/* $NetBSD: umodemvar.h,v 1.1 2005/04/15 14:14:09 itohy Exp $ */
|
||||||
|
|
||||||
|
/*
|
||||||
|
* 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.
|
||||||
|
*/
|
||||||
|
|
||||||
|
struct umodem_softc {
|
||||||
|
USBBASEDEVICE sc_dev; /* base device */
|
||||||
|
|
||||||
|
usbd_device_handle sc_udev; /* USB device */
|
||||||
|
|
||||||
|
int sc_ctl_iface_no;
|
||||||
|
usbd_interface_handle sc_ctl_iface; /* control interface */
|
||||||
|
int sc_data_iface_no;
|
||||||
|
usbd_interface_handle sc_data_iface; /* data interface */
|
||||||
|
|
||||||
|
int sc_cm_cap; /* CM capabilities */
|
||||||
|
int sc_acm_cap; /* ACM capabilities */
|
||||||
|
|
||||||
|
int sc_cm_over_data;
|
||||||
|
|
||||||
|
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 */
|
||||||
|
|
||||||
|
device_ptr_t sc_subdev; /* ucom device */
|
||||||
|
|
||||||
|
u_char sc_opening; /* lock during open */
|
||||||
|
u_char sc_dying; /* disconnecting */
|
||||||
|
|
||||||
|
int sc_ctl_notify; /* Notification endpoint */
|
||||||
|
usbd_pipe_handle sc_notify_pipe; /* Notification pipe */
|
||||||
|
usb_cdc_notification_t sc_notify_buf; /* Notification structure */
|
||||||
|
u_char sc_lsr; /* Local status register */
|
||||||
|
u_char sc_msr; /* Modem status register */
|
||||||
|
};
|
||||||
|
|
||||||
|
int umodem_common_attach(device_ptr_t, struct umodem_softc *,
|
||||||
|
struct usb_attach_arg *, struct ucom_attach_args *);
|
||||||
|
|
||||||
|
void umodem_get_caps(usbd_device_handle, int *, int *,
|
||||||
|
usb_interface_descriptor_t *);
|
||||||
|
|
||||||
|
void umodem_get_status(void *, int portno, u_char *lsr, u_char *msr);
|
||||||
|
void umodem_set(void *, int, int, int);
|
||||||
|
int umodem_param(void *, int, struct termios *);
|
||||||
|
int umodem_ioctl(void *, int, u_long, caddr_t, int, usb_proc_ptr);
|
||||||
|
int umodem_open(void *, int portno);
|
||||||
|
void umodem_close(void *, int portno);
|
||||||
|
int umodem_common_activate(struct umodem_softc *, enum devact);
|
||||||
|
int umodem_common_detach(struct umodem_softc *, int);
|
||||||
Loading…
Reference in New Issue