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NetBSD/sys/dev/usb/uvisor.c

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/* $NetBSD: uvisor.c,v 1.8 2000/09/03 19:15:45 augustss 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) 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.
*/
/*
* Handspring Visor (Palmpilot compatible PDA) driver
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/conf.h>
#include <sys/tty.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbhid.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdi_util.h>
#include <dev/usb/usbdevs.h>
#include <dev/usb/ucomvar.h>
#ifdef UVISOR_DEBUG
#define DPRINTF(x) if (uvisordebug) printf x
#define DPRINTFN(n,x) if (uvisordebug>(n)) printf x
int uvisordebug = 0;
#else
#define DPRINTF(x)
#define DPRINTFN(n,x)
#endif
#define UVISOR_CONFIG_INDEX 0
#define UVISOR_IFACE_INDEX 0
/* From the Linux driver */
/*
* UVISOR_REQUEST_BYTES_AVAILABLE asks the visor for the number of bytes that
* are available to be transfered to the host for the specified endpoint.
* Currently this is not used, and always returns 0x0001
*/
#define UVISOR_REQUEST_BYTES_AVAILABLE 0x01
/*
* UVISOR_CLOSE_NOTIFICATION is set to the device to notify it that the host
* is now closing the pipe. An empty packet is sent in response.
*/
#define UVISOR_CLOSE_NOTIFICATION 0x02
/*
* UVISOR_GET_CONNECTION_INFORMATION is sent by the host during enumeration to
* get the endpoints used by the connection.
*/
#define UVISOR_GET_CONNECTION_INFORMATION 0x03
/*
* UVISOR_GET_CONNECTION_INFORMATION returns data in the following format
*/
struct uvisor_connection_info {
uWord num_ports;
struct {
uByte port_function_id;
uByte port;
} connections[8];
};
#define UVISOR_CONNECTION_INFO_SIZE 18
/* struct uvisor_connection_info.connection[x].port defines: */
#define UVISOR_ENDPOINT_1 0x01
#define UVISOR_ENDPOINT_2 0x02
/* struct uvisor_connection_info.connection[x].port_function_id defines: */
#define UVISOR_FUNCTION_GENERIC 0x00
#define UVISOR_FUNCTION_DEBUGGER 0x01
#define UVISOR_FUNCTION_HOTSYNC 0x02
#define UVISOR_FUNCTION_CONSOLE 0x03
#define UVISOR_FUNCTION_REMOTE_FILE_SYS 0x04
#define UVISORIBUFSIZE 1024
#define UVISOROBUFSIZE 1024
struct uvisor_softc {
USBBASEDEVICE sc_dev; /* base device */
usbd_device_handle sc_udev; /* device */
usbd_interface_handle sc_iface; /* interface */
device_ptr_t sc_subdev;
u_char sc_dying;
};
Static usbd_status uvisor_init(struct uvisor_softc *);
Static void uvisor_close(void *, int);
struct ucom_methods uvisor_methods = {
NULL,
NULL,
NULL,
NULL,
NULL,
uvisor_close,
NULL,
NULL,
};
USB_DECLARE_DRIVER(uvisor);
USB_MATCH(uvisor)
{
USB_MATCH_START(uvisor, uaa);
if (uaa->iface != NULL)
return (UMATCH_NONE);
DPRINTFN(20,("uvisor: vendor=0x%x, product=0x%x\n",
uaa->vendor, uaa->product));
if (uaa->vendor == USB_VENDOR_HANDSPRING &&
uaa->product == USB_PRODUCT_HANDSPRING_VISOR)
return (UMATCH_VENDOR_PRODUCT);
return (UMATCH_NONE);
}
USB_ATTACH(uvisor)
{
USB_ATTACH_START(uvisor, sc, uaa);
usbd_device_handle dev = uaa->device;
usbd_interface_handle iface;
usb_interface_descriptor_t *id;
usb_endpoint_descriptor_t *ed;
char devinfo[1024];
char *devname = USBDEVNAME(sc->sc_dev);
int i;
usbd_status err;
struct ucom_attach_args uca;
DPRINTFN(10,("\nuvisor_attach: sc=%p\n", sc));
/* Move the device into the configured state. */
err = usbd_set_config_index(dev, UVISOR_CONFIG_INDEX, 1);
if (err) {
printf("\n%s: failed to set configuration, err=%s\n",
devname, usbd_errstr(err));
goto bad;
}
err = usbd_device2interface_handle(dev, UVISOR_IFACE_INDEX, &iface);
if (err) {
printf("\n%s: failed to get interface, err=%s\n",
devname, usbd_errstr(err));
goto bad;
}
usbd_devinfo(dev, 0, devinfo);
USB_ATTACH_SETUP;
printf("%s: %s\n", devname, devinfo);
id = usbd_get_interface_descriptor(iface);
sc->sc_udev = dev;
sc->sc_iface = iface;
uca.bulkin = uca.bulkout = -1;
for (i = 0; i < id->bNumEndpoints; i++) {
int addr, dir, attr;
ed = usbd_interface2endpoint_descriptor(iface, i);
if (ed == NULL) {
printf("%s: could not read endpoint descriptor"
": %s\n", devname, usbd_errstr(err));
goto bad;
}
addr = ed->bEndpointAddress;
dir = UE_GET_DIR(ed->bEndpointAddress);
attr = ed->bmAttributes & UE_XFERTYPE;
if (dir == UE_DIR_IN && attr == UE_BULK)
uca.bulkin = addr;
else if (dir == UE_DIR_OUT && attr == UE_BULK)
uca.bulkout = addr;
else {
printf("%s: unexpected endpoint\n", devname);
goto bad;
}
}
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;
}
uca.portno = UCOM_UNK_PORTNO;
/* bulkin, bulkout set above */
uca.ibufsize = UVISORIBUFSIZE;
uca.obufsize = UVISOROBUFSIZE;
uca.ibufsizepad = UVISORIBUFSIZE;
uca.opkthdrlen = 0;
uca.device = dev;
uca.iface = iface;
uca.methods = &uvisor_methods;
uca.arg = sc;
err = uvisor_init(sc);
if (err) {
printf("%s: init failed, %s\n", USBDEVNAME(sc->sc_dev),
usbd_errstr(err));
goto bad;
}
DPRINTF(("uvisor: in=0x%x out=0x%x\n", uca.bulkin, uca.bulkout));
sc->sc_subdev = config_found_sm(self, &uca, ucomprint, ucomsubmatch);
USB_ATTACH_SUCCESS_RETURN;
bad:
DPRINTF(("uvisor_attach: ATTACH ERROR\n"));
sc->sc_dying = 1;
USB_ATTACH_ERROR_RETURN;
}
int
uvisor_activate(device_ptr_t self, enum devact act)
{
struct uvisor_softc *sc = (struct uvisor_softc *)self;
int rv = 0;
switch (act) {
case DVACT_ACTIVATE:
return (EOPNOTSUPP);
break;
case DVACT_DEACTIVATE:
if (sc->sc_subdev != NULL)
rv = config_deactivate(sc->sc_subdev);
sc->sc_dying = 1;
break;
}
return (rv);
}
int
uvisor_detach(device_ptr_t self, int flags)
{
struct uvisor_softc *sc = (struct uvisor_softc *)self;
int rv = 0;
DPRINTF(("uvisor_detach: sc=%p flags=%d\n", sc, flags));
sc->sc_dying = 1;
if (sc->sc_subdev != NULL) {
rv = config_detach(sc->sc_subdev, flags);
sc->sc_subdev = NULL;
}
return (0);
}
usbd_status
uvisor_init(struct uvisor_softc *sc)
{
usbd_status err;
usb_device_request_t req;
struct uvisor_connection_info coninfo;
int actlen;
uWord avail;
DPRINTF(("uvisor_init: getting connection info\n"));
req.bmRequestType = UT_READ_VENDOR_ENDPOINT;
req.bRequest = UVISOR_GET_CONNECTION_INFORMATION;
USETW(req.wValue, 0);
USETW(req.wIndex, 0);
USETW(req.wLength, UVISOR_CONNECTION_INFO_SIZE);
err = usbd_do_request_flags(sc->sc_udev, &req, &coninfo,
USBD_SHORT_XFER_OK, &actlen);
if (err)
return (err);
#ifdef UVISOR_DEBUG
{
int i, np;
char *string;
np = UGETW(coninfo.num_ports);
printf("%s: Number of ports: %d\n", USBDEVNAME(sc->sc_dev), np);
for (i = 0; i < np; ++i) {
switch (coninfo.connections[i].port_function_id) {
case UVISOR_FUNCTION_GENERIC:
string = "Generic";
break;
case UVISOR_FUNCTION_DEBUGGER:
string = "Debugger";
break;
case UVISOR_FUNCTION_HOTSYNC:
string = "HotSync";
break;
case UVISOR_FUNCTION_REMOTE_FILE_SYS:
string = "Remote File System";
break;
default:
string = "unknown";
break;
}
printf("%s: port %d, is for %s\n",
USBDEVNAME(sc->sc_dev), coninfo.connections[i].port,
string);
}
}
#endif
DPRINTF(("uvisor_init: getting available bytes\n"));
req.bmRequestType = UT_READ_VENDOR_ENDPOINT;
req.bRequest = UVISOR_REQUEST_BYTES_AVAILABLE;
USETW(req.wValue, 0);
USETW(req.wIndex, 5);
USETW(req.wLength, sizeof avail);
err = usbd_do_request(sc->sc_udev, &req, &avail);
if (err)
return (err);
DPRINTF(("uvisor_init: avail=%d\n", UGETW(avail)));
DPRINTF(("uvisor_init: done\n"));
return (err);
}
void
uvisor_close(void *addr, int portno)
{
struct uvisor_softc *sc = addr;
usb_device_request_t req;
struct uvisor_connection_info coninfo; /* XXX ? */
int actlen;
if (sc->sc_dying)
return;
req.bmRequestType = UT_READ_VENDOR_ENDPOINT; /* XXX read? */
req.bRequest = UVISOR_CLOSE_NOTIFICATION;
USETW(req.wValue, 0);
USETW(req.wIndex, 0);
USETW(req.wLength, UVISOR_CONNECTION_INFO_SIZE);
(void)usbd_do_request_flags(sc->sc_udev, &req, &coninfo,
USBD_SHORT_XFER_OK, &actlen);
}
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