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Diffstat (limited to 'sys/legacy/dev/usb/uftdi.c')
-rw-r--r--sys/legacy/dev/usb/uftdi.c793
1 files changed, 793 insertions, 0 deletions
diff --git a/sys/legacy/dev/usb/uftdi.c b/sys/legacy/dev/usb/uftdi.c
new file mode 100644
index 0000000..c652977
--- /dev/null
+++ b/sys/legacy/dev/usb/uftdi.c
@@ -0,0 +1,793 @@
+/* $NetBSD: uftdi.c,v 1.13 2002/09/23 05:51:23 simonb Exp $ */
+
+/*-
+ * Copyright (c) 2000 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Lennart Augustsson (lennart@augustsson.net).
+ *
+ * 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.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+/*
+ * FTDI FT8U100AX serial adapter driver
+ */
+
+#include <sys/cdefs.h>
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/malloc.h>
+#include <sys/module.h>
+#include <sys/bus.h>
+#include <sys/ioccom.h>
+#include <sys/fcntl.h>
+#include <sys/conf.h>
+#include <sys/tty.h>
+#include <sys/file.h>
+
+#include <sys/selinfo.h>
+
+#include <sys/sysctl.h>
+
+#include <dev/usb/usb.h>
+#include <dev/usb/usbhid.h>
+
+#include <dev/usb/usbdi.h>
+#include <dev/usb/usbdi_util.h>
+#include "usbdevs.h"
+
+#include <dev/usb/ucomvar.h>
+
+#include <dev/usb/uftdireg.h>
+
+#ifdef USB_DEBUG
+static int uftdidebug = 0;
+SYSCTL_NODE(_hw_usb, OID_AUTO, uftdi, CTLFLAG_RW, 0, "USB uftdi");
+SYSCTL_INT(_hw_usb_uftdi, OID_AUTO, debug, CTLFLAG_RW,
+ &uftdidebug, 0, "uftdi debug level");
+#define DPRINTF(x) do { \
+ if (uftdidebug) \
+ printf x; \
+ } while (0)
+
+#define DPRINTFN(n, x) do { \
+ if (uftdidebug > (n)) \
+ printf x; \
+ } while (0)
+
+#else
+#define DPRINTF(x)
+#define DPRINTFN(n,x)
+#endif
+
+#define UFTDI_CONFIG_INDEX 0
+#define UFTDI_IFACE_INDEX 0
+
+
+/*
+ * These are the maximum number of bytes transferred per frame.
+ * The output buffer size cannot be increased due to the size encoding.
+ */
+#define UFTDIIBUFSIZE 256
+#define UFTDIOBUFSIZE 64
+
+struct uftdi_softc {
+ struct ucom_softc sc_ucom;
+ usbd_interface_handle sc_iface; /* interface */
+ enum uftdi_type sc_type;
+ u_int sc_hdrlen;
+ u_char sc_msr;
+ u_char sc_lsr;
+ u_int last_lcr;
+};
+
+static void uftdi_get_status(void *, int portno, u_char *lsr, u_char *msr);
+static void uftdi_set(void *, int, int, int);
+static int uftdi_param(void *, int, struct termios *);
+static int uftdi_open(void *sc, int portno);
+static void uftdi_read(void *sc, int portno, u_char **ptr,u_int32_t *count);
+static size_t uftdi_write(void *sc, int portno, struct tty *,
+ u_char *to, u_int32_t count);
+static void uftdi_break(void *sc, int portno, int onoff);
+static int uftdi_8u232am_getrate(speed_t speed, int *rate);
+
+struct ucom_callback uftdi_callback = {
+ uftdi_get_status,
+ uftdi_set,
+ uftdi_param,
+ NULL,
+ uftdi_open,
+ NULL,
+ uftdi_read,
+ uftdi_write,
+};
+
+static int
+uftdi_match(device_t self)
+{
+ struct usb_attach_arg *uaa = device_get_ivars(self);
+
+ if (uaa->iface != NULL) {
+ if (uaa->vendor == USB_VENDOR_FTDI &&
+ (uaa->product == USB_PRODUCT_FTDI_SERIAL_2232C))
+ return (UMATCH_VENDOR_IFACESUBCLASS);
+ return (UMATCH_NONE);
+ }
+
+ DPRINTFN(20,("uftdi: vendor=0x%x, product=0x%x\n",
+ uaa->vendor, uaa->product));
+
+ if (uaa->vendor == USB_VENDOR_FTDI &&
+ (uaa->product == USB_PRODUCT_FTDI_SERIAL_8U100AX ||
+ uaa->product == USB_PRODUCT_FTDI_SERIAL_8U232AM ||
+ uaa->product == USB_PRODUCT_FTDI_SEMC_DSS20 ||
+ uaa->product == USB_PRODUCT_FTDI_CFA_631 ||
+ uaa->product == USB_PRODUCT_FTDI_CFA_632 ||
+ uaa->product == USB_PRODUCT_FTDI_CFA_633 ||
+ uaa->product == USB_PRODUCT_FTDI_CFA_634 ||
+ uaa->product == USB_PRODUCT_FTDI_CFA_635 ||
+ uaa->product == USB_PRODUCT_FTDI_USBSERIAL ||
+ uaa->product == USB_PRODUCT_FTDI_MX2_3 ||
+ uaa->product == USB_PRODUCT_FTDI_MX4_5 ||
+ uaa->product == USB_PRODUCT_FTDI_LK202 ||
+ uaa->product == USB_PRODUCT_FTDI_LK204 ||
+ uaa->product == USB_PRODUCT_FTDI_TACTRIX_OPENPORT_13M ||
+ uaa->product == USB_PRODUCT_FTDI_TACTRIX_OPENPORT_13S ||
+ uaa->product == USB_PRODUCT_FTDI_TACTRIX_OPENPORT_13U ||
+ uaa->product == USB_PRODUCT_FTDI_EISCOU ||
+ uaa->product == USB_PRODUCT_FTDI_UOPTBR ||
+ uaa->product == USB_PRODUCT_FTDI_EMCU2D ||
+ uaa->product == USB_PRODUCT_FTDI_PCMSFU ||
+ uaa->product == USB_PRODUCT_FTDI_EMCU2H ||
+ uaa->product == USB_PRODUCT_FTDI_MAXSTREAM ))
+ return (UMATCH_VENDOR_PRODUCT);
+ if (uaa->vendor == USB_VENDOR_SIIG2 &&
+ (uaa->product == USB_PRODUCT_SIIG2_US2308))
+ return (UMATCH_VENDOR_PRODUCT);
+ if (uaa->vendor == USB_VENDOR_INTREPIDCS &&
+ (uaa->product == USB_PRODUCT_INTREPIDCS_VALUECAN ||
+ uaa->product == USB_PRODUCT_INTREPIDCS_NEOVI))
+ return (UMATCH_VENDOR_PRODUCT);
+ if (uaa->vendor == USB_VENDOR_BBELECTRONICS &&
+ (uaa->product == USB_PRODUCT_BBELECTRONICS_USOTL4))
+ return (UMATCH_VENDOR_PRODUCT);
+ if (uaa->vendor == USB_VENDOR_MELCO &&
+ (uaa->product == USB_PRODUCT_MELCO_PCOPRS1))
+ return (UMATCH_VENDOR_PRODUCT);
+ if (uaa->vendor == USB_VENDOR_DRESDENELEKTRONIK &&
+ (uaa->product == USB_PRODUCT_DRESDENELEKTRONIK_SENSORTERMINALBOARD))
+ return (UMATCH_VENDOR_PRODUCT);
+
+ return (UMATCH_NONE);
+}
+
+static int
+uftdi_attach(device_t self)
+{
+ struct uftdi_softc *sc = device_get_softc(self);
+ struct usb_attach_arg *uaa = device_get_ivars(self);
+ usbd_device_handle dev = uaa->device;
+ usbd_interface_handle iface;
+ usb_interface_descriptor_t *id;
+ usb_endpoint_descriptor_t *ed;
+ int i;
+ usbd_status err;
+ struct ucom_softc *ucom = &sc->sc_ucom;
+ DPRINTFN(10,("\nuftdi_attach: sc=%p\n", sc));
+
+ ucom->sc_dev = self;
+ ucom->sc_udev = dev;
+
+ if (uaa->iface == NULL) {
+ /* Move the device into the configured state. */
+ err = usbd_set_config_index(dev, UFTDI_CONFIG_INDEX, 1);
+ if (err) {
+ device_printf(ucom->sc_dev,
+ "failed to set configuration, err=%s\n",
+ usbd_errstr(err));
+ goto bad;
+ }
+
+ err = usbd_device2interface_handle(dev, UFTDI_IFACE_INDEX, &iface);
+ if (err) {
+ device_printf(ucom->sc_dev,
+ "failed to get interface, err=%s\n", usbd_errstr(err));
+ goto bad;
+ }
+ } else {
+ iface = uaa->iface;
+ }
+
+ id = usbd_get_interface_descriptor(iface);
+ ucom->sc_iface = iface;
+ switch( uaa->vendor ){
+ case USB_VENDOR_FTDI:
+ switch( uaa->product ){
+ case USB_PRODUCT_FTDI_SERIAL_8U100AX:
+ sc->sc_type = UFTDI_TYPE_SIO;
+ sc->sc_hdrlen = 1;
+ break;
+ case USB_PRODUCT_FTDI_SEMC_DSS20:
+ case USB_PRODUCT_FTDI_SERIAL_8U232AM:
+ case USB_PRODUCT_FTDI_SERIAL_2232C:
+ case USB_PRODUCT_FTDI_CFA_631:
+ case USB_PRODUCT_FTDI_CFA_632:
+ case USB_PRODUCT_FTDI_CFA_633:
+ case USB_PRODUCT_FTDI_CFA_634:
+ case USB_PRODUCT_FTDI_CFA_635:
+ case USB_PRODUCT_FTDI_USBSERIAL:
+ case USB_PRODUCT_FTDI_MX2_3:
+ case USB_PRODUCT_FTDI_MX4_5:
+ case USB_PRODUCT_FTDI_LK202:
+ case USB_PRODUCT_FTDI_LK204:
+ case USB_PRODUCT_FTDI_TACTRIX_OPENPORT_13M:
+ case USB_PRODUCT_FTDI_TACTRIX_OPENPORT_13S:
+ case USB_PRODUCT_FTDI_TACTRIX_OPENPORT_13U:
+ case USB_PRODUCT_FTDI_EISCOU:
+ case USB_PRODUCT_FTDI_UOPTBR:
+ case USB_PRODUCT_FTDI_EMCU2D:
+ case USB_PRODUCT_FTDI_PCMSFU:
+ case USB_PRODUCT_FTDI_EMCU2H:
+ case USB_PRODUCT_FTDI_MAXSTREAM:
+ sc->sc_type = UFTDI_TYPE_8U232AM;
+ sc->sc_hdrlen = 0;
+ break;
+
+ default: /* Can't happen */
+ goto bad;
+ }
+ break;
+
+ case USB_VENDOR_INTREPIDCS:
+ switch( uaa->product ){
+ case USB_PRODUCT_INTREPIDCS_VALUECAN:
+ case USB_PRODUCT_INTREPIDCS_NEOVI:
+ sc->sc_type = UFTDI_TYPE_8U232AM;
+ sc->sc_hdrlen = 0;
+ break;
+
+ default: /* Can't happen */
+ goto bad;
+ }
+ break;
+
+ case USB_VENDOR_SIIG2:
+ switch( uaa->product ){
+ case USB_PRODUCT_SIIG2_US2308:
+ sc->sc_type = UFTDI_TYPE_8U232AM;
+ sc->sc_hdrlen = 0;
+ break;
+
+ default: /* Can't happen */
+ goto bad;
+ }
+ break;
+
+ case USB_VENDOR_BBELECTRONICS:
+ switch( uaa->product ){
+ case USB_PRODUCT_BBELECTRONICS_USOTL4:
+ sc->sc_type = UFTDI_TYPE_8U232AM;
+ sc->sc_hdrlen = 0;
+ break;
+
+ default: /* Can't happen */
+ goto bad;
+ }
+ break;
+
+ case USB_VENDOR_MELCO:
+ switch( uaa->product ){
+ case USB_PRODUCT_MELCO_PCOPRS1:
+ sc->sc_type = UFTDI_TYPE_8U232AM;
+ sc->sc_hdrlen = 0;
+ break;
+
+ default: /* Can't happen */
+ goto bad;
+ }
+ break;
+
+ case USB_VENDOR_DRESDENELEKTRONIK:
+ switch( uaa->product ){
+ case USB_PRODUCT_DRESDENELEKTRONIK_SENSORTERMINALBOARD:
+ sc->sc_type = UFTDI_TYPE_8U232AM;
+ sc->sc_hdrlen = 0;
+ break;
+
+ default: /* Can't happen */
+ goto bad;
+ }
+ break;
+
+ default: /* Can't happen */
+ goto bad;
+ }
+
+ ucom->sc_bulkin_no = ucom->sc_bulkout_no = -1;
+
+ for (i = 0; i < id->bNumEndpoints; i++) {
+ int addr, dir, attr;
+ ed = usbd_interface2endpoint_descriptor(iface, i);
+ if (ed == NULL) {
+ device_printf(ucom->sc_dev,
+ "could not read endpoint descriptor\n");
+ goto bad;
+ }
+
+ addr = ed->bEndpointAddress;
+ dir = UE_GET_DIR(ed->bEndpointAddress);
+ attr = ed->bmAttributes & UE_XFERTYPE;
+ if (dir == UE_DIR_IN && attr == UE_BULK)
+ ucom->sc_bulkin_no = addr;
+ else if (dir == UE_DIR_OUT && attr == UE_BULK)
+ ucom->sc_bulkout_no = addr;
+ else {
+ device_printf(ucom->sc_dev, "unexpected endpoint\n");
+ goto bad;
+ }
+ }
+ if (ucom->sc_bulkin_no == -1) {
+ device_printf(ucom->sc_dev, "Could not find data bulk in\n");
+ goto bad;
+ }
+ if (ucom->sc_bulkout_no == -1) {
+ device_printf(ucom->sc_dev, "Could not find data bulk out\n");
+ goto bad;
+ }
+ ucom->sc_parent = sc;
+ if (uaa->iface == NULL)
+ ucom->sc_portno = FTDI_PIT_SIOA;
+ else
+ ucom->sc_portno = FTDI_PIT_SIOA + id->bInterfaceNumber;
+ /* bulkin, bulkout set above */
+
+ ucom->sc_ibufsize = UFTDIIBUFSIZE;
+ ucom->sc_obufsize = UFTDIOBUFSIZE - sc->sc_hdrlen;
+ ucom->sc_ibufsizepad = UFTDIIBUFSIZE;
+ ucom->sc_opkthdrlen = sc->sc_hdrlen;
+
+
+ ucom->sc_callback = &uftdi_callback;
+#if 0
+ usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, ucom->sc_udev,
+ ucom->sc_dev);
+#endif
+ DPRINTF(("uftdi: in=0x%x out=0x%x\n", ucom->sc_bulkin_no, ucom->sc_bulkout_no));
+ ucom_attach(&sc->sc_ucom);
+ return 0;
+
+bad:
+ DPRINTF(("uftdi_attach: ATTACH ERROR\n"));
+ ucom->sc_dying = 1;
+ return ENXIO;
+}
+#if 0
+int
+uftdi_activate(device_t self, enum devact act)
+{
+ struct uftdi_softc *sc = (struct uftdi_softc *)self;
+ int rv = 0;
+
+ switch (act) {
+ case DVACT_ACTIVATE:
+ return (EOPNOTSUPP);
+
+ case DVACT_DEACTIVATE:
+ if (sc->sc_subdev != NULL)
+ rv = config_deactivate(sc->sc_subdev);
+ sc->sc_ucom.sc_dying = 1;
+ break;
+ }
+ return (rv);
+}
+#endif
+
+static int
+uftdi_detach(device_t self)
+{
+ struct uftdi_softc *sc = device_get_softc(self);
+
+ int rv = 0;
+
+ DPRINTF(("uftdi_detach: sc=%p\n", sc));
+ sc->sc_ucom.sc_dying = 1;
+ rv = ucom_detach(&sc->sc_ucom);
+
+ return rv;
+}
+
+static int
+uftdi_open(void *vsc, int portno)
+{
+ struct uftdi_softc *sc = vsc;
+ struct ucom_softc *ucom = &sc->sc_ucom;
+ usb_device_request_t req;
+ usbd_status err;
+ struct termios t;
+
+ DPRINTF(("uftdi_open: sc=%p\n", sc));
+
+ if (ucom->sc_dying)
+ return (EIO);
+
+ /* Perform a full reset on the device */
+ req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
+ req.bRequest = FTDI_SIO_RESET;
+ USETW(req.wValue, FTDI_SIO_RESET_SIO);
+ USETW(req.wIndex, portno);
+ USETW(req.wLength, 0);
+ err = usbd_do_request(ucom->sc_udev, &req, NULL);
+ if (err)
+ return (EIO);
+
+ /* Set 9600 baud, 2 stop bits, no parity, 8 bits */
+ t.c_ospeed = 9600;
+ t.c_cflag = CSTOPB | CS8;
+ (void)uftdi_param(sc, portno, &t);
+
+ /* Turn on RTS/CTS flow control */
+ req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
+ req.bRequest = FTDI_SIO_SET_FLOW_CTRL;
+ USETW(req.wValue, 0);
+ USETW2(req.wIndex, FTDI_SIO_RTS_CTS_HS, portno);
+ USETW(req.wLength, 0);
+ err = usbd_do_request(ucom->sc_udev, &req, NULL);
+ if (err)
+ return (EIO);
+
+ return (0);
+}
+
+static void
+uftdi_read(void *vsc, int portno, u_char **ptr, u_int32_t *count)
+{
+ struct uftdi_softc *sc = vsc;
+ u_char msr, lsr;
+ unsigned l;
+
+ DPRINTFN(15,("uftdi_read: sc=%p, port=%d count=%d\n",
+ sc, portno, *count));
+ while (*count > 0) {
+ l = *count;
+ if (l > 64)
+ l = 64;
+
+ msr = FTDI_GET_MSR(*ptr);
+ lsr = FTDI_GET_LSR(*ptr);
+
+ if (sc->sc_msr != msr ||
+ (sc->sc_lsr & FTDI_LSR_MASK) != (lsr & FTDI_LSR_MASK)) {
+ DPRINTF(("uftdi_read: status change msr=0x%02x(0x%02x) "
+ "lsr=0x%02x(0x%02x)\n", msr, sc->sc_msr,
+ lsr, sc->sc_lsr));
+ sc->sc_msr = msr;
+ sc->sc_lsr = lsr;
+ ucom_status_change(&sc->sc_ucom);
+ }
+
+ if (l > 2)
+ ucomrxchars(&sc->sc_ucom, (*ptr) + 2, l - 2);
+ *ptr += l;
+ *count -= l;
+ }
+}
+
+static size_t
+uftdi_write(void *vsc, int portno, struct tty *tp, u_char *to, u_int32_t count)
+{
+ struct uftdi_softc *sc = vsc;
+ size_t l;
+
+ DPRINTFN(10,("uftdi_write: sc=%p, port=%d tp=%p, count=%u\n",
+ vsc, portno, tp, count));
+
+ /* Leave space for the length tag. */
+ l = ttydisc_getc(tp, to + sc->sc_hdrlen, count - sc->sc_hdrlen);
+ if (l == 0)
+ return (0);
+
+ /* Make length tag. */
+ if (sc->sc_hdrlen > 0)
+ *to = FTDI_OUT_TAG(l, portno);
+
+ return (l + sc->sc_hdrlen);
+}
+
+static void
+uftdi_set(void *vsc, int portno, int reg, int onoff)
+{
+ struct uftdi_softc *sc = vsc;
+ struct ucom_softc *ucom = vsc;
+ usb_device_request_t req;
+ int ctl;
+
+ DPRINTF(("uftdi_set: sc=%p, port=%d reg=%d onoff=%d\n", vsc, portno,
+ reg, onoff));
+
+ switch (reg) {
+ case UCOM_SET_DTR:
+ ctl = onoff ? FTDI_SIO_SET_DTR_HIGH : FTDI_SIO_SET_DTR_LOW;
+ break;
+ case UCOM_SET_RTS:
+ ctl = onoff ? FTDI_SIO_SET_RTS_HIGH : FTDI_SIO_SET_RTS_LOW;
+ break;
+ case UCOM_SET_BREAK:
+ uftdi_break(sc, portno, onoff);
+ return;
+ default:
+ return;
+ }
+ req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
+ req.bRequest = FTDI_SIO_MODEM_CTRL;
+ USETW(req.wValue, ctl);
+ USETW(req.wIndex, portno);
+ USETW(req.wLength, 0);
+ DPRINTFN(2,("uftdi_set: reqtype=0x%02x req=0x%02x value=0x%04x "
+ "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
+ UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
+ (void)usbd_do_request(ucom->sc_udev, &req, NULL);
+}
+
+static int
+uftdi_param(void *vsc, int portno, struct termios *t)
+{
+ struct uftdi_softc *sc = vsc;
+ struct ucom_softc *ucom = &sc->sc_ucom;
+ usb_device_request_t req;
+ usbd_status err;
+ int rate=0, data, flow;
+
+ DPRINTF(("uftdi_param: sc=%p\n", sc));
+
+ if (ucom->sc_dying)
+ return (EIO);
+
+ switch (sc->sc_type) {
+ case UFTDI_TYPE_SIO:
+ switch (t->c_ospeed) {
+ case 300: rate = ftdi_sio_b300; break;
+ case 600: rate = ftdi_sio_b600; break;
+ case 1200: rate = ftdi_sio_b1200; break;
+ case 2400: rate = ftdi_sio_b2400; break;
+ case 4800: rate = ftdi_sio_b4800; break;
+ case 9600: rate = ftdi_sio_b9600; break;
+ case 19200: rate = ftdi_sio_b19200; break;
+ case 38400: rate = ftdi_sio_b38400; break;
+ case 57600: rate = ftdi_sio_b57600; break;
+ case 115200: rate = ftdi_sio_b115200; break;
+ default:
+ return (EINVAL);
+ }
+ break;
+
+ case UFTDI_TYPE_8U232AM:
+ if (uftdi_8u232am_getrate(t->c_ospeed, &rate) == -1)
+ return (EINVAL);
+ break;
+ }
+ req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
+ req.bRequest = FTDI_SIO_SET_BAUD_RATE;
+ USETW(req.wValue, rate);
+ USETW(req.wIndex, portno);
+ USETW(req.wLength, 0);
+ DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x "
+ "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
+ UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
+ err = usbd_do_request(ucom->sc_udev, &req, NULL);
+ if (err)
+ return (EIO);
+
+ if (ISSET(t->c_cflag, CSTOPB))
+ data = FTDI_SIO_SET_DATA_STOP_BITS_2;
+ else
+ data = FTDI_SIO_SET_DATA_STOP_BITS_1;
+ if (ISSET(t->c_cflag, PARENB)) {
+ if (ISSET(t->c_cflag, PARODD))
+ data |= FTDI_SIO_SET_DATA_PARITY_ODD;
+ else
+ data |= FTDI_SIO_SET_DATA_PARITY_EVEN;
+ } else
+ data |= FTDI_SIO_SET_DATA_PARITY_NONE;
+ switch (ISSET(t->c_cflag, CSIZE)) {
+ case CS5:
+ data |= FTDI_SIO_SET_DATA_BITS(5);
+ break;
+ case CS6:
+ data |= FTDI_SIO_SET_DATA_BITS(6);
+ break;
+ case CS7:
+ data |= FTDI_SIO_SET_DATA_BITS(7);
+ break;
+ case CS8:
+ data |= FTDI_SIO_SET_DATA_BITS(8);
+ break;
+ }
+ sc->last_lcr = data;
+
+ req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
+ req.bRequest = FTDI_SIO_SET_DATA;
+ USETW(req.wValue, data);
+ USETW(req.wIndex, portno);
+ USETW(req.wLength, 0);
+ DPRINTFN(2,("uftdi_param: reqtype=0x%02x req=0x%02x value=0x%04x "
+ "index=0x%04x len=%d\n", req.bmRequestType, req.bRequest,
+ UGETW(req.wValue), UGETW(req.wIndex), UGETW(req.wLength)));
+ err = usbd_do_request(ucom->sc_udev, &req, NULL);
+ if (err)
+ return (EIO);
+
+ if (ISSET(t->c_cflag, CRTSCTS)) {
+ flow = FTDI_SIO_RTS_CTS_HS;
+ USETW(req.wValue, 0);
+ } else if (ISSET(t->c_iflag, IXON|IXOFF)) {
+ flow = FTDI_SIO_XON_XOFF_HS;
+ USETW2(req.wValue, t->c_cc[VSTOP], t->c_cc[VSTART]);
+ } else {
+ flow = FTDI_SIO_DISABLE_FLOW_CTRL;
+ USETW(req.wValue, 0);
+ }
+ req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
+ req.bRequest = FTDI_SIO_SET_FLOW_CTRL;
+ USETW2(req.wIndex, flow, portno);
+ USETW(req.wLength, 0);
+ err = usbd_do_request(ucom->sc_udev, &req, NULL);
+ if (err)
+ return (EIO);
+
+ return (0);
+}
+
+void
+uftdi_get_status(void *vsc, int portno, u_char *lsr, u_char *msr)
+{
+ struct uftdi_softc *sc = vsc;
+
+ DPRINTF(("uftdi_status: msr=0x%02x lsr=0x%02x\n",
+ sc->sc_msr, sc->sc_lsr));
+
+ if (msr != NULL)
+ *msr = sc->sc_msr;
+ if (lsr != NULL)
+ *lsr = sc->sc_lsr;
+}
+
+void
+uftdi_break(void *vsc, int portno, int onoff)
+{
+ struct uftdi_softc *sc = vsc;
+ struct ucom_softc *ucom = vsc;
+
+ usb_device_request_t req;
+ int data;
+
+ DPRINTF(("uftdi_break: sc=%p, port=%d onoff=%d\n", vsc, portno,
+ onoff));
+
+ if (onoff) {
+ data = sc->last_lcr | FTDI_SIO_SET_BREAK;
+ } else {
+ data = sc->last_lcr;
+ }
+
+ req.bmRequestType = UT_WRITE_VENDOR_DEVICE;
+ req.bRequest = FTDI_SIO_SET_DATA;
+ USETW(req.wValue, data);
+ USETW(req.wIndex, portno);
+ USETW(req.wLength, 0);
+ (void)usbd_do_request(ucom->sc_udev, &req, NULL);
+}
+
+static int
+uftdi_8u232am_getrate(speed_t speed, int *rate)
+{
+ /* Table of the nearest even powers-of-2 for values 0..15. */
+ static const unsigned char roundoff[16] = {
+ 0, 2, 2, 4, 4, 4, 8, 8,
+ 8, 8, 8, 8, 16, 16, 16, 16,
+ };
+
+ unsigned int d, freq;
+ int result;
+
+ if (speed <= 0)
+ return (-1);
+
+ /* Special cases for 2M and 3M. */
+ if (speed >= 3000000 * 100 / 103 &&
+ speed <= 3000000 * 100 / 97) {
+ result = 0;
+ goto done;
+ }
+ if (speed >= 2000000 * 100 / 103 &&
+ speed <= 2000000 * 100 / 97) {
+ result = 1;
+ goto done;
+ }
+
+ d = (FTDI_8U232AM_FREQ << 4) / speed;
+ d = (d & ~15) + roundoff[d & 15];
+
+ if (d < FTDI_8U232AM_MIN_DIV)
+ d = FTDI_8U232AM_MIN_DIV;
+ else if (d > FTDI_8U232AM_MAX_DIV)
+ d = FTDI_8U232AM_MAX_DIV;
+
+ /*
+ * Calculate the frequency needed for d to exactly divide down
+ * to our target speed, and check that the actual frequency is
+ * within 3% of this.
+ */
+ freq = speed * d;
+ if (freq < (quad_t)(FTDI_8U232AM_FREQ << 4) * 100 / 103 ||
+ freq > (quad_t)(FTDI_8U232AM_FREQ << 4) * 100 / 97)
+ return (-1);
+
+ /*
+ * Pack the divisor into the resultant value. The lower
+ * 14-bits hold the integral part, while the upper 2 bits
+ * encode the fractional component: either 0, 0.5, 0.25, or
+ * 0.125.
+ */
+ result = d >> 4;
+ if (d & 8)
+ result |= 0x4000;
+ else if (d & 4)
+ result |= 0x8000;
+ else if (d & 2)
+ result |= 0xc000;
+
+done:
+ *rate = result;
+ return (0);
+}
+
+static device_method_t uftdi_methods[] = {
+ /* Device interface */
+ DEVMETHOD(device_probe, uftdi_match),
+ DEVMETHOD(device_attach, uftdi_attach),
+ DEVMETHOD(device_detach, uftdi_detach),
+
+ { 0, 0 }
+};
+
+static driver_t uftdi_driver = {
+ "ucom",
+ uftdi_methods,
+ sizeof (struct uftdi_softc)
+};
+
+DRIVER_MODULE(uftdi, uhub, uftdi_driver, ucom_devclass, usbd_driver_load, 0);
+MODULE_DEPEND(uftdi, usb, 1, 1, 1);
+MODULE_DEPEND(uftdi, ucom,UCOM_MINVER, UCOM_PREFVER, UCOM_MAXVER);
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