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NetBSD/sys/dev/usb/usbdi_util.c

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/* $NetBSD: usbdi_util.c,v 1.17 1999/08/14 14:49:32 augustss Exp $ */
/*
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Lennart Augustsson (augustss@carlstedt.se) 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.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/proc.h>
#include <sys/device.h>
#if defined(__FreeBSD__)
#include <sys/bus.h>
#endif
#include <dev/usb/usb.h>
#include <dev/usb/usbhid.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usbdi_util.h>
#ifdef USB_DEBUG
#define DPRINTF(x) if (usbdebug) logprintf x
#define DPRINTFN(n,x) if (usbdebug>(n)) logprintf x
extern int usbdebug;
#else
#define DPRINTF(x)
#define DPRINTFN(n,x)
#endif
usbd_status
usbd_get_desc(dev, type, index, len, desc)
usbd_device_handle dev;
int type, index;
int len;
void *desc;
{
usb_device_request_t req;
req.bmRequestType = UT_READ_DEVICE;
req.bRequest = UR_GET_DESCRIPTOR;
USETW2(req.wValue, type, index);
USETW(req.wIndex, 0);
USETW(req.wLength, len);
return (usbd_do_request(dev, &req, desc));
}
usbd_status
usbd_get_config_desc(dev, conf, d)
usbd_device_handle dev;
int conf;
usb_config_descriptor_t *d;
{
usbd_status r;
DPRINTFN(3,("usbd_get_config_desc: conf=%d\n", conf));
r = usbd_get_desc(dev, UDESC_CONFIG, conf,
USB_CONFIG_DESCRIPTOR_SIZE, d);
if (r != USBD_NORMAL_COMPLETION)
return (r);
if (d->bDescriptorType != UDESC_CONFIG) {
DPRINTFN(-1,("usbd_get_config_desc: conf %d, bad desc %d\n",
conf, d->bDescriptorType));
return (USBD_INVAL);
}
return (USBD_NORMAL_COMPLETION);
}
usbd_status
usbd_get_config_desc_full(dev, conf, d, size)
usbd_device_handle dev;
int conf;
void *d;
int size;
{
DPRINTFN(3,("usbd_get_config_desc_full: conf=%d\n", conf));
return (usbd_get_desc(dev, UDESC_CONFIG, conf, size, d));
}
usbd_status
usbd_get_device_desc(dev, d)
usbd_device_handle dev;
usb_device_descriptor_t *d;
{
DPRINTFN(3,("usbd_get_device_desc:\n"));
return (usbd_get_desc(dev, UDESC_DEVICE,
0, USB_DEVICE_DESCRIPTOR_SIZE, d));
}
usbd_status
usbd_get_device_status(dev, st)
usbd_device_handle dev;
usb_status_t *st;
{
usb_device_request_t req;
req.bmRequestType = UT_READ_DEVICE;
req.bRequest = UR_GET_STATUS;
USETW(req.wValue, 0);
USETW(req.wIndex, 0);
USETW(req.wLength, sizeof(usb_status_t));
return (usbd_do_request(dev, &req, st));
}
usbd_status
usbd_get_hub_status(dev, st)
usbd_device_handle dev;
usb_hub_status_t *st;
{
usb_device_request_t req;
req.bmRequestType = UT_READ_CLASS_DEVICE;
req.bRequest = UR_GET_STATUS;
USETW(req.wValue, 0);
USETW(req.wIndex, 0);
USETW(req.wLength, sizeof(usb_hub_status_t));
return (usbd_do_request(dev, &req, st));
}
usbd_status
usbd_set_address(dev, addr)
usbd_device_handle dev;
int addr;
{
usb_device_request_t req;
req.bmRequestType = UT_WRITE_DEVICE;
req.bRequest = UR_SET_ADDRESS;
USETW(req.wValue, addr);
USETW(req.wIndex, 0);
USETW(req.wLength, 0);
return usbd_do_request(dev, &req, 0);
}
usbd_status
usbd_get_port_status(dev, port, ps)
usbd_device_handle dev;
int port;
usb_port_status_t *ps;
{
usb_device_request_t req;
req.bmRequestType = UT_READ_CLASS_OTHER;
req.bRequest = UR_GET_STATUS;
USETW(req.wValue, 0);
USETW(req.wIndex, port);
USETW(req.wLength, sizeof *ps);
return (usbd_do_request(dev, &req, ps));
}
usbd_status
usbd_clear_hub_feature(dev, sel)
usbd_device_handle dev;
int sel;
{
usb_device_request_t req;
req.bmRequestType = UT_WRITE_CLASS_DEVICE;
req.bRequest = UR_CLEAR_FEATURE;
USETW(req.wValue, sel);
USETW(req.wIndex, 0);
USETW(req.wLength, 0);
return (usbd_do_request(dev, &req, 0));
}
usbd_status
usbd_set_hub_feature(dev, sel)
usbd_device_handle dev;
int sel;
{
usb_device_request_t req;
req.bmRequestType = UT_WRITE_CLASS_DEVICE;
req.bRequest = UR_SET_FEATURE;
USETW(req.wValue, sel);
USETW(req.wIndex, 0);
USETW(req.wLength, 0);
return (usbd_do_request(dev, &req, 0));
}
usbd_status
usbd_clear_port_feature(dev, port, sel)
usbd_device_handle dev;
int port, sel;
{
usb_device_request_t req;
req.bmRequestType = UT_WRITE_CLASS_OTHER;
req.bRequest = UR_CLEAR_FEATURE;
USETW(req.wValue, sel);
USETW(req.wIndex, port);
USETW(req.wLength, 0);
return (usbd_do_request(dev, &req, 0));
}
usbd_status
usbd_set_port_feature(dev, port, sel)
usbd_device_handle dev;
int port, sel;
{
usb_device_request_t req;
req.bmRequestType = UT_WRITE_CLASS_OTHER;
req.bRequest = UR_SET_FEATURE;
USETW(req.wValue, sel);
USETW(req.wIndex, port);
USETW(req.wLength, 0);
return (usbd_do_request(dev, &req, 0));
}
usbd_status
usbd_set_protocol(iface, report)
usbd_interface_handle iface;
int report;
{
usb_interface_descriptor_t *id = usbd_get_interface_descriptor(iface);
usbd_device_handle dev;
usb_device_request_t req;
usbd_status r;
DPRINTFN(4, ("usbd_set_protocol: iface=%p, report=%d, endpt=%d\n",
iface, report, id->bInterfaceNumber));
if (!id)
return (USBD_IOERROR);
r = usbd_interface2device_handle(iface, &dev);
if (r != USBD_NORMAL_COMPLETION)
return (r);
if (!id)
return (USBD_INVAL);
req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
req.bRequest = UR_SET_PROTOCOL;
USETW(req.wValue, report);
USETW(req.wIndex, id->bInterfaceNumber);
USETW(req.wLength, 0);
return (usbd_do_request(dev, &req, 0));
}
usbd_status
usbd_set_report(iface, type, id, data, len)
usbd_interface_handle iface;
int type;
int id;
void *data;
int len;
{
usb_interface_descriptor_t *ifd = usbd_get_interface_descriptor(iface);
usbd_device_handle dev;
usb_device_request_t req;
usbd_status r;
DPRINTFN(4, ("usbd_set_report: len=%d\n", len));
if (!ifd)
return (USBD_IOERROR);
r = usbd_interface2device_handle(iface, &dev);
if (r != USBD_NORMAL_COMPLETION)
return (r);
if (!ifd)
return (USBD_INVAL);
req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
req.bRequest = UR_SET_REPORT;
USETW2(req.wValue, type, id);
USETW(req.wIndex, ifd->bInterfaceNumber);
USETW(req.wLength, len);
return (usbd_do_request(dev, &req, data));
}
usbd_status
usbd_set_report_async(iface, type, id, data, len)
usbd_interface_handle iface;
int type;
int id;
void *data;
int len;
{
usb_interface_descriptor_t *ifd = usbd_get_interface_descriptor(iface);
usbd_device_handle dev;
usb_device_request_t req;
usbd_status r;
DPRINTFN(4, ("usbd_set_report_async: len=%d\n", len));
if (!ifd)
return (USBD_IOERROR);
r = usbd_interface2device_handle(iface, &dev);
if (r != USBD_NORMAL_COMPLETION)
return (r);
if (!ifd)
return (USBD_INVAL);
req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
req.bRequest = UR_SET_REPORT;
USETW2(req.wValue, type, id);
USETW(req.wIndex, ifd->bInterfaceNumber);
USETW(req.wLength, len);
return (usbd_do_request_async(dev, &req, data));
}
usbd_status
usbd_get_report(iface, type, id, data, len)
usbd_interface_handle iface;
int type;
int id;
void *data;
int len;
{
usb_interface_descriptor_t *ifd = usbd_get_interface_descriptor(iface);
usbd_device_handle dev;
usb_device_request_t req;
usbd_status r;
DPRINTFN(4, ("usbd_set_report: len=%d\n", len));
if (!id)
return (USBD_IOERROR);
r = usbd_interface2device_handle(iface, &dev);
if (r != USBD_NORMAL_COMPLETION)
return (r);
if (!ifd)
return (USBD_INVAL);
req.bmRequestType = UT_READ_CLASS_INTERFACE;
req.bRequest = UR_GET_REPORT;
USETW2(req.wValue, type, id);
USETW(req.wIndex, ifd->bInterfaceNumber);
USETW(req.wLength, len);
return (usbd_do_request(dev, &req, data));
}
usbd_status
usbd_set_idle(iface, duration, id)
usbd_interface_handle iface;
int duration;
int id;
{
usb_interface_descriptor_t *ifd = usbd_get_interface_descriptor(iface);
usbd_device_handle dev;
usb_device_request_t req;
usbd_status r;
DPRINTFN(4, ("usbd_set_idle: %d %d\n", duration, id));
if (!ifd)
return (USBD_IOERROR);
r = usbd_interface2device_handle(iface, &dev);
if (r != USBD_NORMAL_COMPLETION)
return (r);
if (!ifd)
return (USBD_INVAL);
req.bmRequestType = UT_WRITE_CLASS_INTERFACE;
req.bRequest = UR_SET_IDLE;
USETW2(req.wValue, duration, id);
USETW(req.wIndex, ifd->bInterfaceNumber);
USETW(req.wLength, 0);
return (usbd_do_request(dev, &req, 0));
}
usbd_status
usbd_get_report_descriptor(dev, ifcno, repid, size, d)
usbd_device_handle dev;
int ifcno;
int repid;
int size;
void *d;
{
usb_device_request_t req;
req.bmRequestType = UT_READ_INTERFACE;
req.bRequest = UR_GET_DESCRIPTOR;
USETW2(req.wValue, UDESC_REPORT, repid);
USETW(req.wIndex, ifcno);
USETW(req.wLength, size);
return (usbd_do_request(dev, &req, d));
}
usb_hid_descriptor_t *
usbd_get_hid_descriptor(ifc)
usbd_interface_handle ifc;
{
usb_interface_descriptor_t *idesc = usbd_get_interface_descriptor(ifc);
usbd_device_handle dev;
usb_config_descriptor_t *cdesc;
usb_hid_descriptor_t *hd;
char *p, *end;
usbd_status r;
if (!idesc)
return (0);
r = usbd_interface2device_handle(ifc, &dev);
if (r != USBD_NORMAL_COMPLETION)
return (0);
cdesc = usbd_get_config_descriptor(dev);
p = (char *)idesc + idesc->bLength;
end = (char *)cdesc + UGETW(cdesc->wTotalLength);
for (; p < end; p += hd->bLength) {
hd = (usb_hid_descriptor_t *)p;
if (p + hd->bLength <= end && hd->bDescriptorType == UDESC_HID)
return (hd);
if (hd->bDescriptorType == UDESC_INTERFACE)
break;
}
return (0);
}
usbd_status
usbd_alloc_report_desc(ifc, descp, sizep, mem)
usbd_interface_handle ifc;
void **descp;
int *sizep;
#if defined(__NetBSD__)
int mem;
#elif defined(__FreeBSD__)
struct malloc_type *mem;
#endif
{
usb_interface_descriptor_t *id;
usb_hid_descriptor_t *hid;
usbd_device_handle dev;
usbd_status r;
r = usbd_interface2device_handle(ifc, &dev);
if (r != USBD_NORMAL_COMPLETION)
return (r);
id = usbd_get_interface_descriptor(ifc);
if (!id)
return (USBD_INVAL);
hid = usbd_get_hid_descriptor(ifc);
if (!hid)
return (USBD_IOERROR);
*sizep = UGETW(hid->descrs[0].wDescriptorLength);
*descp = malloc(*sizep, mem, M_NOWAIT);
if (!*descp)
return (USBD_NOMEM);
/* XXX should not use 0 Report ID */
r = usbd_get_report_descriptor(dev, id->bInterfaceNumber, 0,
*sizep, *descp);
if (r != USBD_NORMAL_COMPLETION) {
free(*descp, mem);
return (r);
}
return (USBD_NORMAL_COMPLETION);
}
usbd_status
usbd_get_config(dev, conf)
usbd_device_handle dev;
u_int8_t *conf;
{
usb_device_request_t req;
req.bmRequestType = UT_READ_DEVICE;
req.bRequest = UR_GET_CONFIG;
USETW(req.wValue, 0);
USETW(req.wIndex, 0);
USETW(req.wLength, 1);
return (usbd_do_request(dev, &req, conf));
}
static void usbd_bulk_transfer_cb __P((usbd_request_handle reqh,
usbd_private_handle priv, usbd_status status));
static void
usbd_bulk_transfer_cb(reqh, priv, status)
usbd_request_handle reqh;
usbd_private_handle priv;
usbd_status status;
{
wakeup(reqh);
}
usbd_status
usbd_bulk_transfer(reqh, pipe, flags, buf, size, lbl)
usbd_request_handle reqh;
usbd_pipe_handle pipe;
u_int16_t flags;
void *buf;
u_int32_t *size;
char *lbl;
{
usbd_private_handle priv;
void *buffer;
usbd_status r;
int s, error;
r = usbd_setup_request(reqh, pipe, 0, buf, *size,
flags, USBD_NO_TIMEOUT, usbd_bulk_transfer_cb);
if (r != USBD_NORMAL_COMPLETION)
return (r);
DPRINTFN(1, ("usbd_bulk_transfer: start transfer %d bytes\n", *size));
s = splusb(); /* don't want callback until tsleep() */
r = usbd_transfer(reqh);
if (r != USBD_IN_PROGRESS) {
splx(s);
return (r);
}
error = tsleep((caddr_t)reqh, PZERO | PCATCH, lbl, 0);
splx(s);
if (error) {
DPRINTF(("usbd_bulk_transfer: tsleep=%d\n", error));
usbd_abort_pipe(pipe);
return (USBD_INTERRUPTED);
}
usbd_get_request_status(reqh, &priv, &buffer, size, &r);
DPRINTFN(1,("usbd_bulk_transfer: transferred %d\n", *size));
if (r != USBD_NORMAL_COMPLETION) {
DPRINTF(("usbd_bulk_transfer: error=%d\n", r));
usbd_clear_endpoint_stall(pipe);
}
return (r);
}
void
usb_detach_wait(dv)
bdevice *dv;
{
DPRINTF(("usb_detach_wait: waiting for %s\n", USBDEVNAME(*dv)));
if (tsleep(dv, PZERO, "usbdet", hz * 60))
printf("usb_detach_wait: %s didn't detach\n",
USBDEVNAME(*dv));
DPRINTF(("usb_detach_wait: %s done\n", USBDEVNAME(*dv)));
}
void
usb_detach_wakeup(dv)
bdevice *dv;
{
DPRINTF(("usb_detach_wakeup: for %s\n", USBDEVNAME(*dv)));
wakeup(dv);
}
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