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Diffstat (limited to 'sys/legacy/dev/usb/uslcom.c')
-rw-r--r--sys/legacy/dev/usb/uslcom.c419
1 files changed, 419 insertions, 0 deletions
diff --git a/sys/legacy/dev/usb/uslcom.c b/sys/legacy/dev/usb/uslcom.c
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index 0000000..edb13c5
--- /dev/null
+++ b/sys/legacy/dev/usb/uslcom.c
@@ -0,0 +1,419 @@
+/* $FreeBSD$ */
+/* $OpenBSD: uslcom.c,v 1.17 2007/11/24 10:52:12 jsg Exp $ */
+
+/*
+ * Copyright (c) 2006 Jonathan Gray <jsg@openbsd.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/module.h>
+#include <sys/conf.h>
+#include <sys/bus.h>
+#include <sys/tty.h>
+
+#include <dev/usb/usb.h>
+#include <dev/usb/usbcdc.h>
+
+#include <dev/usb/usb.h>
+#include <dev/usb/usbdi.h>
+#include <dev/usb/usbdi_util.h>
+
+#include "usbdevs.h"
+#include <dev/usb/ucomvar.h>
+
+#ifdef USLCOM_DEBUG
+#define DPRINTFN(n, x) do { if (uslcomdebug > (n)) printf x; } while (0)
+int uslcomdebug = 1;
+#else
+#define DPRINTFN(n, x)
+#endif
+#define DPRINTF(x) DPRINTFN(0, x)
+
+#define USLCOMBUFSZ 256
+#define USLCOM_CONFIG_NO 0
+#define USLCOM_IFACE_NO 0
+
+#define USLCOM_SET_DATA_BITS(x) (x << 8)
+
+#define USLCOM_WRITE 0x41
+#define USLCOM_READ 0xc1
+
+#define USLCOM_UART 0x00
+#define USLCOM_BAUD_RATE 0x01
+#define USLCOM_DATA 0x03
+#define USLCOM_BREAK 0x05
+#define USLCOM_CTRL 0x07
+
+#define USLCOM_UART_DISABLE 0x00
+#define USLCOM_UART_ENABLE 0x01
+
+#define USLCOM_CTRL_DTR_ON 0x0001
+#define USLCOM_CTRL_DTR_SET 0x0100
+#define USLCOM_CTRL_RTS_ON 0x0002
+#define USLCOM_CTRL_RTS_SET 0x0200
+#define USLCOM_CTRL_CTS 0x0010
+#define USLCOM_CTRL_DSR 0x0020
+#define USLCOM_CTRL_DCD 0x0080
+
+
+#define USLCOM_BAUD_REF 0x384000
+
+#define USLCOM_STOP_BITS_1 0x00
+#define USLCOM_STOP_BITS_2 0x02
+
+#define USLCOM_PARITY_NONE 0x00
+#define USLCOM_PARITY_ODD 0x10
+#define USLCOM_PARITY_EVEN 0x20
+
+#define USLCOM_BREAK_OFF 0x00
+#define USLCOM_BREAK_ON 0x01
+
+
+struct uslcom_softc {
+ struct ucom_softc sc_ucom;
+ device_t sc_dev;
+ usbd_device_handle sc_udev;
+
+ u_char sc_msr;
+ u_char sc_lsr;
+
+ u_char sc_dying;
+};
+
+void uslcom_get_status(void *, int portno, u_char *lsr, u_char *msr);
+void uslcom_set(void *, int, int, int);
+int uslcom_param(void *, int, struct termios *);
+int uslcom_open(void *sc, int portno);
+void uslcom_close(void *, int);
+void uslcom_break(void *sc, int portno, int onoff);
+
+struct ucom_callback uslcom_callback = {
+ uslcom_get_status,
+ uslcom_set,
+ uslcom_param,
+ NULL,
+ uslcom_open,
+ uslcom_close,
+ NULL,
+ NULL,
+};
+
+static const struct usb_devno uslcom_devs[] = {
+ { USB_VENDOR_BALTECH, USB_PRODUCT_BALTECH_CARDREADER },
+ { USB_VENDOR_DYNASTREAM, USB_PRODUCT_DYNASTREAM_ANTDEVBOARD },
+ { USB_VENDOR_JABLOTRON, USB_PRODUCT_JABLOTRON_PC60B },
+ { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_ARGUSISP },
+ { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CRUMB128 },
+ { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_DEGREE },
+ { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_BURNSIDE },
+ { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_HELICOM },
+ { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_HARP },
+ { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_JTAG },
+ { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_LIPOWSKY_LIN },
+ { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_POLOLU },
+ { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CP2102 },
+ { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_CP210X_2 },
+ { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_SUUNTO },
+ { USB_VENDOR_SILABS, USB_PRODUCT_SILABS_TRAQMATE },
+ { USB_VENDOR_SILABS2, USB_PRODUCT_SILABS2_DCU11CLONE },
+ { USB_VENDOR_USI, USB_PRODUCT_USI_MC60 }
+};
+
+static device_probe_t uslcom_match;
+static device_attach_t uslcom_attach;
+static device_detach_t uslcom_detach;
+
+static device_method_t uslcom_methods[] = {
+ /* Device interface */
+ DEVMETHOD(device_probe, uslcom_match),
+ DEVMETHOD(device_attach, uslcom_attach),
+ DEVMETHOD(device_detach, uslcom_detach),
+ { 0, 0 }
+};
+
+static driver_t uslcom_driver = {
+ "ucom",
+ uslcom_methods,
+ sizeof (struct uslcom_softc)
+};
+
+DRIVER_MODULE(uslcom, uhub, uslcom_driver, ucom_devclass, usbd_driver_load, 0);
+MODULE_DEPEND(uslcom, usb, 1, 1, 1);
+MODULE_DEPEND(uslcom, ucom, UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER);
+MODULE_VERSION(uslcom, 1);
+
+static int
+uslcom_match(device_t self)
+{
+ struct usb_attach_arg *uaa = device_get_ivars(self);
+
+ if (uaa->iface != NULL)
+ return UMATCH_NONE;
+
+ return (usb_lookup(uslcom_devs, uaa->vendor, uaa->product) != NULL) ?
+ UMATCH_VENDOR_PRODUCT : UMATCH_NONE;
+}
+
+static int
+uslcom_attach(device_t self)
+{
+ struct uslcom_softc *sc = device_get_softc(self);
+ struct usb_attach_arg *uaa = device_get_ivars(self);
+ usbd_device_handle dev = uaa->device;
+ struct ucom_softc* ucom;
+ usb_interface_descriptor_t *id;
+ usb_endpoint_descriptor_t *ed;
+ usbd_status error;
+ int i;
+
+ ucom = &sc->sc_ucom;
+ ucom->sc_dev = self;
+ ucom->sc_udev = dev;
+ ucom->sc_iface = uaa->iface;
+
+ sc->sc_dev = self;
+ sc->sc_udev = uaa->device;
+
+ if (usbd_set_config_index(sc->sc_udev, USLCOM_CONFIG_NO, 1) != 0) {
+ device_printf(self, "could not set configuration no\n");
+ sc->sc_dying = 1;
+ return ENXIO;
+ }
+
+ /* get the first interface handle */
+ error = usbd_device2interface_handle(sc->sc_udev, USLCOM_IFACE_NO,
+ &ucom->sc_iface);
+ if (error != 0) {
+ device_printf(self, "could not get interface handle\n");
+ sc->sc_dying = 1;
+ return ENXIO;
+ }
+
+ id = usbd_get_interface_descriptor(ucom->sc_iface);
+
+ ucom->sc_bulkin_no = ucom->sc_bulkout_no = -1;
+ for (i = 0; i < id->bNumEndpoints; i++) {
+ ed = usbd_interface2endpoint_descriptor(ucom->sc_iface, i);
+ if (ed == NULL) {
+ device_printf(self, "no endpoint descriptor found for %d\n",
+ i);
+ sc->sc_dying = 1;
+ return ENXIO;
+ }
+
+ if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
+ UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
+ ucom->sc_bulkin_no = ed->bEndpointAddress;
+ else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
+ UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK)
+ ucom->sc_bulkout_no = ed->bEndpointAddress;
+ }
+
+ if (ucom->sc_bulkin_no == -1 || ucom->sc_bulkout_no == -1) {
+ device_printf(self, "missing endpoint\n");
+ sc->sc_dying = 1;
+ return ENXIO;
+ }
+
+ ucom->sc_parent = sc;
+ ucom->sc_portno = UCOM_UNK_PORTNO;
+ /* bulkin, bulkout set above */
+ ucom->sc_ibufsize = USLCOMBUFSZ;
+ ucom->sc_obufsize = USLCOMBUFSZ;
+ ucom->sc_ibufsizepad = USLCOMBUFSZ;
+ ucom->sc_opkthdrlen = 0;
+ ucom->sc_callback = &uslcom_callback;
+
+ DPRINTF(("uslcom: in = 0x%x, out = 0x%x\n",
+ ucom->sc_bulkin_no, ucom->sc_bulkout_no));
+
+ ucom_attach(&sc->sc_ucom);
+ return 0;
+}
+
+static int
+uslcom_detach(device_t self)
+{
+ struct uslcom_softc *sc = device_get_softc(self);
+
+ sc->sc_dying = 1;
+ return ucom_detach(&sc->sc_ucom);
+}
+
+int
+uslcom_open(void *vsc, int portno)
+{
+ struct uslcom_softc *sc = vsc;
+ usb_device_request_t req;
+ usbd_status err;
+
+ if (sc->sc_dying)
+ return (EIO);
+
+ req.bmRequestType = USLCOM_WRITE;
+ req.bRequest = USLCOM_UART;
+ USETW(req.wValue, USLCOM_UART_ENABLE);
+ USETW(req.wIndex, portno);
+ USETW(req.wLength, 0);
+ err = usbd_do_request(sc->sc_udev, &req, NULL);
+ if (err)
+ return (EIO);
+
+ return (0);
+}
+
+void
+uslcom_close(void *vsc, int portno)
+{
+ struct uslcom_softc *sc = vsc;
+ usb_device_request_t req;
+
+ if (sc->sc_dying)
+ return;
+
+ req.bmRequestType = USLCOM_WRITE;
+ req.bRequest = USLCOM_UART;
+ USETW(req.wValue, USLCOM_UART_DISABLE);
+ USETW(req.wIndex, portno);
+ USETW(req.wLength, 0);
+ usbd_do_request(sc->sc_udev, &req, NULL);
+}
+
+void
+uslcom_set(void *vsc, int portno, int reg, int onoff)
+{
+ struct uslcom_softc *sc = vsc;
+ usb_device_request_t req;
+ int ctl;
+
+ switch (reg) {
+ case UCOM_SET_DTR:
+ ctl = onoff ? USLCOM_CTRL_DTR_ON : 0;
+ ctl |= USLCOM_CTRL_DTR_SET;
+ break;
+ case UCOM_SET_RTS:
+ ctl = onoff ? USLCOM_CTRL_RTS_ON : 0;
+ ctl |= USLCOM_CTRL_RTS_SET;
+ break;
+ case UCOM_SET_BREAK:
+ uslcom_break(sc, portno, onoff);
+ return;
+ default:
+ return;
+ }
+ req.bmRequestType = USLCOM_WRITE;
+ req.bRequest = USLCOM_CTRL;
+ USETW(req.wValue, ctl);
+ USETW(req.wIndex, portno);
+ USETW(req.wLength, 0);
+ usbd_do_request(sc->sc_udev, &req, NULL);
+}
+
+int
+uslcom_param(void *vsc, int portno, struct termios *t)
+{
+ struct uslcom_softc *sc = (struct uslcom_softc *)vsc;
+ usbd_status err;
+ usb_device_request_t req;
+ int data;
+
+ if (t->c_ospeed <= 0 || t->c_ospeed > 921600)
+ return (EINVAL);
+
+ req.bmRequestType = USLCOM_WRITE;
+ req.bRequest = USLCOM_BAUD_RATE;
+ USETW(req.wValue, USLCOM_BAUD_REF / t->c_ospeed);
+ USETW(req.wIndex, portno);
+ USETW(req.wLength, 0);
+ err = usbd_do_request(sc->sc_udev, &req, NULL);
+ if (err)
+ return (EIO);
+
+ if (ISSET(t->c_cflag, CSTOPB))
+ data = USLCOM_STOP_BITS_2;
+ else
+ data = USLCOM_STOP_BITS_1;
+ if (ISSET(t->c_cflag, PARENB)) {
+ if (ISSET(t->c_cflag, PARODD))
+ data |= USLCOM_PARITY_ODD;
+ else
+ data |= USLCOM_PARITY_EVEN;
+ } else
+ data |= USLCOM_PARITY_NONE;
+ switch (ISSET(t->c_cflag, CSIZE)) {
+ case CS5:
+ data |= USLCOM_SET_DATA_BITS(5);
+ break;
+ case CS6:
+ data |= USLCOM_SET_DATA_BITS(6);
+ break;
+ case CS7:
+ data |= USLCOM_SET_DATA_BITS(7);
+ break;
+ case CS8:
+ data |= USLCOM_SET_DATA_BITS(8);
+ break;
+ }
+
+ req.bmRequestType = USLCOM_WRITE;
+ req.bRequest = USLCOM_DATA;
+ USETW(req.wValue, data);
+ USETW(req.wIndex, portno);
+ USETW(req.wLength, 0);
+ err = usbd_do_request(sc->sc_udev, &req, NULL);
+ if (err)
+ return (EIO);
+
+#if 0
+ /* XXX flow control */
+ if (ISSET(t->c_cflag, CRTSCTS))
+ /* rts/cts flow ctl */
+ } else if (ISSET(t->c_iflag, IXON|IXOFF)) {
+ /* xon/xoff flow ctl */
+ } else {
+ /* disable flow ctl */
+ }
+#endif
+
+ return (0);
+}
+
+void
+uslcom_get_status(void *vsc, int portno, u_char *lsr, u_char *msr)
+{
+ struct uslcom_softc *sc = vsc;
+
+ if (msr != NULL)
+ *msr = sc->sc_msr;
+ if (lsr != NULL)
+ *lsr = sc->sc_lsr;
+}
+
+void
+uslcom_break(void *vsc, int portno, int onoff)
+{
+ struct uslcom_softc *sc = vsc;
+ usb_device_request_t req;
+ int brk = onoff ? USLCOM_BREAK_ON : USLCOM_BREAK_OFF;
+
+ req.bmRequestType = USLCOM_WRITE;
+ req.bRequest = USLCOM_BREAK;
+ USETW(req.wValue, brk);
+ USETW(req.wIndex, portno);
+ USETW(req.wLength, 0);
+ usbd_do_request(sc->sc_udev, &req, NULL);
+}
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