410 lines
11 KiB
C
410 lines
11 KiB
C
/* $NetBSD: ulpt.c,v 1.2 1998/07/25 15:19:09 augustss Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1998 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Author: Lennart Augustsson <augustss@carlstedt.se>
|
|
* 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.
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/user.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/kernel.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/uio.h>
|
|
#include <sys/device.h>
|
|
#include <sys/conf.h>
|
|
#include <sys/syslog.h>
|
|
|
|
#include <dev/usb/usb.h>
|
|
#include <dev/usb/usbdi.h>
|
|
#include <dev/usb/usbdi_util.h>
|
|
#include <dev/usb/usbdevs.h>
|
|
#include <dev/usb/usb_quirks.h>
|
|
|
|
#define TIMEOUT hz*16 /* wait up to 16 seconds for a ready */
|
|
#define STEP hz/4
|
|
|
|
#define LPTPRI (PZERO+8)
|
|
#define ULPT_BSIZE 1024
|
|
|
|
#ifdef USB_DEBUG
|
|
#define DPRINTF(x) if (ulptdebug) printf x
|
|
#define DPRINTFN(n,x) if (ulptdebug>(n)) printf x
|
|
int ulptdebug = 0;
|
|
#else
|
|
#define DPRINTF(x)
|
|
#define DPRINTFN(n,x)
|
|
#endif
|
|
|
|
#define UR_GET_DEVICE_ID 0
|
|
#define UR_GET_PORT_STATUS 1
|
|
#define UR_SOFT_RESET 2
|
|
|
|
#define LPS_NERR 0x08 /* printer no error */
|
|
#define LPS_SELECT 0x10 /* printer selected */
|
|
#define LPS_NOPAPER 0x20 /* printer out of paper */
|
|
#define LPS_INVERT (LPS_SELECT|LPS_NERR)
|
|
#define LPS_MASK (LPS_SELECT|LPS_NERR|LPS_NOPAPER)
|
|
|
|
struct ulpt_softc {
|
|
struct device sc_dev;
|
|
usbd_device_handle sc_udev; /* device */
|
|
usbd_interface_handle sc_iface; /* interface */
|
|
int sc_ifaceno;
|
|
usbd_pipe_handle sc_bulkpipe; /* bulk pipe */
|
|
int sc_bulk;
|
|
|
|
u_char sc_state;
|
|
#define ULPT_OPEN 0x01 /* device is open */
|
|
#define ULPT_OBUSY 0x02 /* printer is busy doing output */
|
|
#define ULPT_INIT 0x04 /* waiting to initialize for open */
|
|
u_char sc_flags;
|
|
#define ULPT_NOPRIME 0x40 /* don't prime on open */
|
|
u_char sc_laststatus;
|
|
};
|
|
|
|
int ulpt_match __P((struct device *, struct cfdata *, void *));
|
|
void ulpt_attach __P((struct device *, struct device *, void *));
|
|
|
|
int ulptopen __P((dev_t, int, int, struct proc *));
|
|
int ulptclose __P((dev_t, int, int, struct proc *p));
|
|
int ulptwrite __P((dev_t, struct uio *uio, int));
|
|
int ulptioctl __P((dev_t, u_long, caddr_t, int, struct proc *));
|
|
void ulpt_disco __P((void *));
|
|
|
|
int ulpt_status __P((struct ulpt_softc *));
|
|
void ulpt_reset __P((struct ulpt_softc *));
|
|
int ulpt_statusmsg __P((u_char, struct ulpt_softc *));
|
|
|
|
extern struct cfdriver ulpt_cd;
|
|
|
|
#define ULPTUNIT(s) (minor(s) & 0x1f)
|
|
#define ULPTFLAGS(s) (minor(s) & 0xe0)
|
|
|
|
extern struct cfdriver ulpt_cd;
|
|
|
|
struct cfattach ulpt_ca = {
|
|
sizeof(struct ulpt_softc), ulpt_match, ulpt_attach
|
|
};
|
|
|
|
int
|
|
ulpt_match(parent, match, aux)
|
|
struct device *parent;
|
|
struct cfdata *match;
|
|
void *aux;
|
|
{
|
|
struct usb_attach_arg *uaa = aux;
|
|
usb_interface_descriptor_t *id;
|
|
|
|
DPRINTFN(10,("ulpt_match\n"));
|
|
if (!uaa->iface)
|
|
return (UMATCH_NONE);
|
|
id = usbd_get_interface_descriptor(uaa->iface);
|
|
if (id->bInterfaceClass == UCLASS_PRINTER &&
|
|
id->bInterfaceSubClass == USUBCLASS_PRINTER &&
|
|
(id->bInterfaceProtocol == UPROTO_PRINTER_UNI ||
|
|
id->bInterfaceProtocol == UPROTO_PRINTER_BI))
|
|
return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO);
|
|
return (UMATCH_NONE);
|
|
}
|
|
|
|
void
|
|
ulpt_attach(parent, self, aux)
|
|
struct device *parent;
|
|
struct device *self;
|
|
void *aux;
|
|
{
|
|
struct ulpt_softc *sc = (struct ulpt_softc *)self;
|
|
struct usb_attach_arg *uaa = aux;
|
|
usbd_device_handle dev = uaa->device;
|
|
usbd_interface_handle iface = uaa->iface;
|
|
usb_interface_descriptor_t *id = usbd_get_interface_descriptor(iface);
|
|
#if 0
|
|
usb_config_descriptor_t *cd = usbd_get_config_descriptor(dev);
|
|
usb_device_request_t req;
|
|
#endif
|
|
char devinfo[1024];
|
|
usb_endpoint_descriptor_t *ed;
|
|
usbd_status r;
|
|
|
|
DPRINTFN(2,("ulpt_attach: sc=%p\n", sc));
|
|
usbd_devinfo(dev, 0, devinfo);
|
|
printf(": %s (interface class %d/%d)\n", devinfo,
|
|
id->bInterfaceClass, id->bInterfaceSubClass);
|
|
|
|
/* Figure out which endpoint is the bulk out endpoint. */
|
|
ed = usbd_interface2endpoint_descriptor(iface, 0);
|
|
if (!ed)
|
|
goto nobulk;
|
|
if ((ed->bEndpointAddress & UE_IN) != UE_OUT ||
|
|
(ed->bmAttributes & UE_XFERTYPE) != UE_BULK) {
|
|
/* In case we are using a bidir protocol... */
|
|
ed = usbd_interface2endpoint_descriptor(iface, 1);
|
|
if (!ed)
|
|
goto nobulk;
|
|
if ((ed->bEndpointAddress & UE_IN) != UE_OUT ||
|
|
(ed->bmAttributes & UE_XFERTYPE) != UE_BULK)
|
|
goto nobulk;
|
|
}
|
|
sc->sc_bulk = ed->bEndpointAddress;
|
|
DPRINTFN(1, ("ulpt_attach: bulk=%d\n", sc->sc_bulk));
|
|
|
|
sc->sc_iface = iface;
|
|
r = usbd_interface2device_handle(iface, &sc->sc_udev);
|
|
if (r != USBD_NORMAL_COMPLETION)
|
|
return;
|
|
sc->sc_ifaceno = id->bInterfaceNumber;
|
|
|
|
#if 0
|
|
XXX needs a different way to read the id string since the length
|
|
is unknown. usbd_do_request() returns error on a short transfer.
|
|
req.bmRequestType = UT_READ_CLASS_INTERFACE;
|
|
req.bRequest = UR_GET_DEVICE_ID;
|
|
USETW(req.wValue, cd->bConfigurationValue);
|
|
USETW2(req.wIndex, id->bInterfaceNumber, id->bAlternateSetting);
|
|
USETW(req.wLength, sizeof devinfo - 1);
|
|
r = usbd_do_request(dev, &req, devinfo);
|
|
if (r == USBD_NORMAL_COMPLETION) {
|
|
int len;
|
|
char *idstr;
|
|
len = (devinfo[0] << 8) | (devinfo[1] & 0xff);
|
|
/* devinfo now contains an IEEE-1284 device ID */
|
|
idstr = devinfo+2;
|
|
idstr[len] = 0;
|
|
printf("%s: device id <%s>\n", sc->sc_dev.dv_xname, idstr);
|
|
} else {
|
|
printf("%s: cannot get device id\n", sc->sc_dev.dv_xname);
|
|
}
|
|
#endif
|
|
|
|
return;
|
|
|
|
nobulk:
|
|
printf("%s: could not find bulk endpoint\n", sc->sc_dev.dv_xname);
|
|
return;
|
|
}
|
|
|
|
int
|
|
ulpt_status(sc)
|
|
struct ulpt_softc *sc;
|
|
{
|
|
usb_device_request_t req;
|
|
usbd_status r;
|
|
u_char status;
|
|
|
|
req.bmRequestType = UT_READ_CLASS_INTERFACE;
|
|
req.bRequest = UR_GET_PORT_STATUS;
|
|
USETW(req.wValue, 0);
|
|
USETW(req.wIndex, sc->sc_ifaceno);
|
|
USETW(req.wLength, 1);
|
|
r = usbd_do_request(sc->sc_udev, &req, &status);
|
|
DPRINTFN(1, ("ulpt_status: status=0x%02x r=%d\n", status, r));
|
|
if (r == USBD_NORMAL_COMPLETION)
|
|
return (status);
|
|
else
|
|
return (0);
|
|
}
|
|
|
|
void
|
|
ulpt_reset(sc)
|
|
struct ulpt_softc *sc;
|
|
{
|
|
usb_device_request_t req;
|
|
|
|
DPRINTFN(1, ("ulpt_reset\n"));
|
|
req.bmRequestType = UT_WRITE_CLASS_OTHER;
|
|
req.bRequest = UR_SOFT_RESET;
|
|
USETW(req.wValue, 0);
|
|
USETW(req.wIndex, sc->sc_ifaceno);
|
|
USETW(req.wLength, 0);
|
|
(void)usbd_do_request(sc->sc_udev, &req, 0);
|
|
}
|
|
|
|
/*
|
|
* Reset the printer, then wait until it's selected and not busy.
|
|
*/
|
|
int
|
|
ulptopen(dev, flag, mode, p)
|
|
dev_t dev;
|
|
int flag;
|
|
int mode;
|
|
struct proc *p;
|
|
{
|
|
int unit = ULPTUNIT(dev);
|
|
u_char flags = ULPTFLAGS(dev);
|
|
struct ulpt_softc *sc;
|
|
usbd_status r;
|
|
int spin, error;
|
|
|
|
if (unit >= ulpt_cd.cd_ndevs)
|
|
return ENXIO;
|
|
sc = ulpt_cd.cd_devs[unit];
|
|
if (!sc || !sc->sc_iface)
|
|
return ENXIO;
|
|
|
|
if (sc->sc_state)
|
|
return EBUSY;
|
|
|
|
sc->sc_state = ULPT_INIT;
|
|
sc->sc_flags = flags;
|
|
DPRINTF(("ulptopen: flags=0x%x\n", (unsigned)flags));
|
|
|
|
if ((flags & ULPT_NOPRIME) == 0)
|
|
ulpt_reset(sc);
|
|
|
|
for (spin = 0; (ulpt_status(sc) & LPS_SELECT) == 0; spin += STEP) {
|
|
if (spin >= TIMEOUT) {
|
|
sc->sc_state = 0;
|
|
return EBUSY;
|
|
}
|
|
|
|
/* wait 1/4 second, give up if we get a signal */
|
|
error = tsleep((caddr_t)sc, LPTPRI | PCATCH, "ulptop", STEP);
|
|
if (error != EWOULDBLOCK) {
|
|
sc->sc_state = 0;
|
|
return error;
|
|
}
|
|
}
|
|
|
|
r = usbd_open_pipe(sc->sc_iface, sc->sc_bulk, 0, &sc->sc_bulkpipe);
|
|
if (r != USBD_NORMAL_COMPLETION) {
|
|
sc->sc_state = 0;
|
|
return (EIO);
|
|
}
|
|
|
|
sc->sc_state = ULPT_OPEN;
|
|
|
|
DPRINTF(("ulptopen: done\n"));
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
ulpt_statusmsg(status, sc)
|
|
u_char status;
|
|
struct ulpt_softc *sc;
|
|
{
|
|
u_char new;
|
|
|
|
status = (status ^ LPS_INVERT) & LPS_MASK;
|
|
new = status & ~sc->sc_laststatus;
|
|
sc->sc_laststatus = status;
|
|
|
|
if (new & LPS_SELECT)
|
|
log(LOG_NOTICE, "%s: offline\n", sc->sc_dev.dv_xname);
|
|
else if (new & LPS_NOPAPER)
|
|
log(LOG_NOTICE, "%s: out of paper\n", sc->sc_dev.dv_xname);
|
|
else if (new & LPS_NERR)
|
|
log(LOG_NOTICE, "%s: output error\n", sc->sc_dev.dv_xname);
|
|
|
|
return status;
|
|
}
|
|
|
|
int
|
|
ulptclose(dev, flag, mode, p)
|
|
dev_t dev;
|
|
int flag;
|
|
int mode;
|
|
struct proc *p;
|
|
{
|
|
int unit = ULPTUNIT(dev);
|
|
struct ulpt_softc *sc = ulpt_cd.cd_devs[unit];
|
|
|
|
usbd_close_pipe(sc->sc_bulkpipe);
|
|
|
|
sc->sc_state = 0;
|
|
|
|
DPRINTF(("ulptclose: closed\n"));
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
ulptwrite(dev, uio, flags)
|
|
dev_t dev;
|
|
struct uio *uio;
|
|
int flags;
|
|
{
|
|
struct ulpt_softc *sc = ulpt_cd.cd_devs[ULPTUNIT(dev)];
|
|
size_t n;
|
|
int error = 0;
|
|
char buf[ULPT_BSIZE];
|
|
usbd_request_handle reqh;
|
|
usbd_status r;
|
|
|
|
DPRINTF(("ulptwrite\n"));
|
|
reqh = usbd_alloc_request();
|
|
if (reqh == 0)
|
|
return (EIO);
|
|
while ((n = min(ULPT_BSIZE, uio->uio_resid)) != 0) {
|
|
ulpt_statusmsg(ulpt_status(sc), sc);
|
|
uiomove(buf, n, uio);
|
|
/* XXX use callback to enable interrupt? */
|
|
r = usbd_setup_request(reqh, sc->sc_bulkpipe, 0, buf, n,
|
|
0, USBD_NO_TIMEOUT, 0);
|
|
if (r != USBD_NORMAL_COMPLETION) {
|
|
error = EIO;
|
|
break;
|
|
}
|
|
DPRINTFN(1, ("ulptwrite: transfer %d bytes\n", n));
|
|
r = usbd_sync_transfer(reqh);
|
|
if (r != USBD_NORMAL_COMPLETION) {
|
|
DPRINTF(("ulptwrite: error=%d\n", r));
|
|
usbd_clear_endpoint_stall(sc->sc_bulkpipe);
|
|
error = EIO;
|
|
break;
|
|
}
|
|
}
|
|
usbd_free_request(reqh);
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
ulptioctl(dev, cmd, data, flag, p)
|
|
dev_t dev;
|
|
u_long cmd;
|
|
caddr_t data;
|
|
int flag;
|
|
struct proc *p;
|
|
{
|
|
int error = 0;
|
|
|
|
switch (cmd) {
|
|
default:
|
|
error = ENODEV;
|
|
}
|
|
|
|
return error;
|
|
}
|