freebsd-dev/sys/legacy/dev/usb/uslcom.c
Andrew Thompson 3975e3a1ea Move usb to a graveyard location under sys/legacy/dev, it is intended that the
new USB2 stack will fully replace this for 8.0.

Remove kernel modules, a subsequent commit will update conf/files. Unhook
usbdevs from the build.
2009-02-23 18:16:17 +00:00

420 lines
10 KiB
C

/* $FreeBSD$ */
/* $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);
}