Make the ubt driver functional. This is an experimental, incomplete, but
actually functional driver. It provides a local HCI interface to the HCI-over-USB interface on standards-compliant Bluetooth USB devices. Currently this device can be attached to the bthci driver for direct user-land access to the device.
This commit is contained in:
parent
466f76bf7b
commit
97f7cada0b
@ -1,11 +1,12 @@
|
||||
/* $NetBSD: ubt.c,v 1.4 2003/01/05 03:48:18 dsainty Exp $ */
|
||||
/* $NetBSD: ubt.c,v 1.5 2003/01/05 05:20:20 dsainty Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 2002 The NetBSD Foundation, Inc.
|
||||
* Copyright (c) 2002, 2003 The NetBSD Foundation, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to The NetBSD Foundation
|
||||
* by Lennart Augustsson (lennart@augustsson.net).
|
||||
* by Lennart Augustsson (lennart@augustsson.net) and
|
||||
* David Sainty (David.Sainty@dtsp.co.nz).
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
@ -37,11 +38,12 @@
|
||||
*/
|
||||
|
||||
#include <sys/cdefs.h>
|
||||
__KERNEL_RCSID(0, "$NetBSD: ubt.c,v 1.4 2003/01/05 03:48:18 dsainty Exp $");
|
||||
__KERNEL_RCSID(0, "$NetBSD: ubt.c,v 1.5 2003/01/05 05:20:20 dsainty Exp $");
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/kernel.h>
|
||||
#include <sys/malloc.h>
|
||||
#include <sys/device.h>
|
||||
#include <sys/lock.h>
|
||||
#include <sys/ioctl.h>
|
||||
@ -51,6 +53,7 @@ __KERNEL_RCSID(0, "$NetBSD: ubt.c,v 1.4 2003/01/05 03:48:18 dsainty Exp $");
|
||||
#include <sys/select.h>
|
||||
#include <sys/proc.h>
|
||||
|
||||
#include <dev/usb/ubtreg.h>
|
||||
#include <dev/usb/usb.h>
|
||||
#include <dev/usb/usbdi.h>
|
||||
#include <dev/usb/usbdi_util.h>
|
||||
@ -61,7 +64,7 @@ __KERNEL_RCSID(0, "$NetBSD: ubt.c,v 1.4 2003/01/05 03:48:18 dsainty Exp $");
|
||||
#ifdef UBT_DEBUG
|
||||
#define DPRINTF(x) if (ubtdebug) logprintf x
|
||||
#define DPRINTFN(n,x) if (ubtdebug>(n)) logprintf x
|
||||
int ubtdebug = 1;
|
||||
int ubtdebug = 99;
|
||||
#else
|
||||
#define DPRINTF(x)
|
||||
#define DPRINTFN(n,x)
|
||||
@ -77,17 +80,59 @@ struct ubt_softc {
|
||||
usbd_interface_handle sc_ctl_iface;
|
||||
usbd_interface_handle sc_isoc_iface;
|
||||
|
||||
int sc_rd_addr;
|
||||
usbd_pipe_handle sc_rd_pipe;
|
||||
/* Control */
|
||||
usbd_pipe_handle sc_ctl_pipe;
|
||||
usbd_xfer_handle sc_ctl_xfer;
|
||||
u_int8_t *sc_ctl_buf;
|
||||
|
||||
int sc_wr_addr;
|
||||
usbd_pipe_handle sc_wr_pipe;
|
||||
/* Events */
|
||||
int sc_evt_addr;
|
||||
usbd_pipe_handle sc_evt_pipe;
|
||||
usbd_xfer_handle sc_evt_xfer;
|
||||
u_int8_t *sc_evt_buf;
|
||||
|
||||
/* ACL data (in) */
|
||||
int sc_aclrd_addr;
|
||||
usbd_pipe_handle sc_aclrd_pipe;
|
||||
usbd_xfer_handle sc_aclrd_xfer;
|
||||
u_int8_t *sc_aclrd_buf;
|
||||
int sc_aclrd_running;
|
||||
|
||||
/* ACL data (out) */
|
||||
int sc_aclwr_addr;
|
||||
usbd_pipe_handle sc_aclwr_pipe;
|
||||
usbd_xfer_handle sc_aclwr_xfer;
|
||||
u_int8_t *sc_aclwr_buf;
|
||||
|
||||
struct device *sc_child;
|
||||
struct btframe_callback_methods const *sc_cb;
|
||||
|
||||
unsigned int sc_blocked;
|
||||
|
||||
int sc_refcnt;
|
||||
char sc_dying;
|
||||
};
|
||||
|
||||
static int ubt_open(void *h, int flag, int mode, usb_proc_ptr p);
|
||||
static int ubt_close(void *h, int flag, int mode, usb_proc_ptr p);
|
||||
|
||||
static int ubt_control(void *h, u_int8_t *data, size_t len);
|
||||
static int ubt_sendacldata(void *h, u_int8_t *data, size_t len);
|
||||
static int ubt_sendscodata(void *h, u_int8_t *data, size_t len);
|
||||
|
||||
static int ubt_splraise(void);
|
||||
static unsigned int ubt_blockcb(void *h, unsigned int cbblocks);
|
||||
static unsigned int ubt_unblockcb(void *h, unsigned int cbblocks);
|
||||
|
||||
static void ubt_event_cb(usbd_xfer_handle, usbd_private_handle, usbd_status);
|
||||
static void ubt_aclrd_cb(usbd_xfer_handle, usbd_private_handle, usbd_status);
|
||||
static void ubt_aclrd_request(struct ubt_softc *);
|
||||
|
||||
static struct btframe_methods const ubt_methods = {
|
||||
ubt_open, ubt_close, ubt_control, ubt_sendacldata, ubt_sendscodata,
|
||||
ubt_splraise, ubt_blockcb, ubt_unblockcb
|
||||
};
|
||||
|
||||
USB_DECLARE_DRIVER(ubt);
|
||||
|
||||
USB_MATCH(ubt)
|
||||
@ -115,9 +160,9 @@ USB_ATTACH(ubt)
|
||||
usbd_device_handle dev = uaa->device;
|
||||
usbd_interface_handle iface = uaa->iface;
|
||||
struct bt_attach_args bt;
|
||||
usb_interface_descriptor_t *id;
|
||||
usb_interface_descriptor_t const *id;
|
||||
char devinfo[1024];
|
||||
usb_endpoint_descriptor_t *ed;
|
||||
usb_endpoint_descriptor_t const *ed;
|
||||
u_int8_t epcount;
|
||||
int i;
|
||||
|
||||
@ -130,14 +175,17 @@ USB_ATTACH(ubt)
|
||||
sc->sc_udev = dev;
|
||||
sc->sc_ctl_iface = iface;
|
||||
|
||||
/*
|
||||
/*
|
||||
* The control interface comes before the isoc interface
|
||||
* according to the spec, so we find it first.
|
||||
*/
|
||||
epcount = 0;
|
||||
(void)usbd_endpoint_count(iface, &epcount);
|
||||
sc->sc_rd_addr = -1;
|
||||
sc->sc_wr_addr = -1;
|
||||
|
||||
sc->sc_evt_addr = -1;
|
||||
sc->sc_aclrd_addr = -1;
|
||||
sc->sc_aclwr_addr = -1;
|
||||
|
||||
for (i = 0; i < epcount; i++) {
|
||||
ed = usbd_interface2endpoint_descriptor(iface, i);
|
||||
if (ed == NULL) {
|
||||
@ -145,20 +193,28 @@ USB_ATTACH(ubt)
|
||||
USBDEVNAME(sc->sc_dev), i);
|
||||
USB_ATTACH_ERROR_RETURN;
|
||||
}
|
||||
|
||||
DPRINTFN(10, ("%s: addr=%d attr=%d\n", __func__,
|
||||
(int)ed->bEndpointAddress,
|
||||
(int)ed->bmAttributes));
|
||||
|
||||
if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
|
||||
UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
|
||||
sc->sc_rd_addr = ed->bEndpointAddress;
|
||||
UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) {
|
||||
sc->sc_evt_addr = ed->bEndpointAddress;
|
||||
} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN &&
|
||||
UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
|
||||
sc->sc_aclrd_addr = ed->bEndpointAddress;
|
||||
} else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT &&
|
||||
UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) {
|
||||
sc->sc_wr_addr = ed->bEndpointAddress;
|
||||
sc->sc_aclwr_addr = ed->bEndpointAddress;
|
||||
}
|
||||
}
|
||||
#if 0
|
||||
if (sc->sc_rd_addr == -1 || sc->sc_wr_addr == -1) {
|
||||
|
||||
if (sc->sc_evt_addr == -1 ||
|
||||
sc->sc_aclrd_addr == -1 || sc->sc_aclwr_addr == -1) {
|
||||
printf("%s: missing endpoint\n", USBDEVNAME(sc->sc_dev));
|
||||
USB_ATTACH_ERROR_RETURN;
|
||||
}
|
||||
#endif
|
||||
|
||||
/* XXX works because isoc comes after ctl */
|
||||
/* Grab isoc interface as well. */
|
||||
@ -181,50 +237,84 @@ USB_ATTACH(ubt)
|
||||
usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev,
|
||||
USBDEV(sc->sc_dev));
|
||||
|
||||
bt.bt_methods = &ubt_methods;
|
||||
bt.bt_cb = &sc->sc_cb;
|
||||
|
||||
sc->sc_child = config_found(self, &bt, bt_print);
|
||||
|
||||
USB_ATTACH_SUCCESS_RETURN;
|
||||
}
|
||||
|
||||
static void
|
||||
ubt_abortdealloc(struct ubt_softc *sc)
|
||||
{
|
||||
DPRINTFN(0, ("%s: sc=%p\n", __func__, sc));
|
||||
|
||||
if (sc->sc_evt_pipe != NULL) {
|
||||
usbd_abort_pipe(sc->sc_evt_pipe);
|
||||
usbd_close_pipe(sc->sc_evt_pipe);
|
||||
sc->sc_evt_pipe = NULL;
|
||||
}
|
||||
if (sc->sc_evt_buf != NULL) {
|
||||
free(sc->sc_evt_buf, M_USBDEV);
|
||||
sc->sc_evt_buf = NULL;
|
||||
}
|
||||
if (sc->sc_aclrd_pipe != NULL) {
|
||||
usbd_abort_pipe(sc->sc_aclrd_pipe);
|
||||
usbd_close_pipe(sc->sc_aclrd_pipe);
|
||||
sc->sc_aclrd_pipe = NULL;
|
||||
}
|
||||
if (sc->sc_aclwr_pipe != NULL) {
|
||||
usbd_abort_pipe(sc->sc_aclwr_pipe);
|
||||
usbd_close_pipe(sc->sc_aclwr_pipe);
|
||||
sc->sc_aclwr_pipe = NULL;
|
||||
}
|
||||
if (sc->sc_aclrd_xfer != NULL) {
|
||||
usbd_free_xfer(sc->sc_aclrd_xfer);
|
||||
sc->sc_aclrd_xfer = NULL;
|
||||
sc->sc_aclrd_buf = NULL;
|
||||
}
|
||||
if (sc->sc_aclwr_xfer != NULL) {
|
||||
usbd_free_xfer(sc->sc_aclwr_xfer);
|
||||
sc->sc_aclwr_xfer = NULL;
|
||||
sc->sc_aclwr_buf = NULL;
|
||||
}
|
||||
}
|
||||
|
||||
USB_DETACH(ubt)
|
||||
{
|
||||
USB_DETACH_START(ubt, sc);
|
||||
int s;
|
||||
int rv = 0;
|
||||
|
||||
DPRINTF(("ubt_detach: sc=%p flags=%d\n", sc, flags));
|
||||
DPRINTF(("%s: sc=%p flags=%d\n", __func__, sc, flags));
|
||||
|
||||
sc->sc_dying = 1;
|
||||
/* Abort all pipes. Causes processes waiting for transfer to wake. */
|
||||
if (sc->sc_rd_pipe != NULL) {
|
||||
usbd_abort_pipe(sc->sc_rd_pipe);
|
||||
usbd_close_pipe(sc->sc_rd_pipe);
|
||||
sc->sc_rd_pipe = NULL;
|
||||
}
|
||||
if (sc->sc_wr_pipe != NULL) {
|
||||
usbd_abort_pipe(sc->sc_wr_pipe);
|
||||
usbd_close_pipe(sc->sc_wr_pipe);
|
||||
sc->sc_wr_pipe = NULL;
|
||||
}
|
||||
#if 0
|
||||
wakeup(&sc->sc_rd_count);
|
||||
#endif
|
||||
|
||||
/* Abort all pipes. Causes processes waiting for transfer to wake. */
|
||||
ubt_abortdealloc(sc);
|
||||
|
||||
DPRINTFN(1, ("%s: waiting for USB detach\n", __func__));
|
||||
s = splusb();
|
||||
if (--sc->sc_refcnt >= 0) {
|
||||
/* Wait for processes to go away. */
|
||||
usb_detach_wait(USBDEV(sc->sc_dev));
|
||||
}
|
||||
splx(s);
|
||||
DPRINTFN(1, ("%s: USB detach complete\n", __func__));
|
||||
|
||||
if (sc->sc_child != NULL) {
|
||||
DPRINTFN(1, ("%s: waiting for child detach\n", __func__));
|
||||
rv = config_detach(sc->sc_child, flags);
|
||||
sc->sc_child = NULL;
|
||||
DPRINTFN(1, ("%s: child detach complete\n", __func__));
|
||||
}
|
||||
|
||||
usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev,
|
||||
USBDEV(sc->sc_dev));
|
||||
|
||||
DPRINTFN(1, ("%s: driver detached\n", __func__));
|
||||
|
||||
return (rv);
|
||||
}
|
||||
|
||||
@ -247,3 +337,323 @@ ubt_activate(device_ptr_t self, enum devact act)
|
||||
}
|
||||
return (error);
|
||||
}
|
||||
|
||||
static int
|
||||
ubt_open(void *h, int flag, int mode, usb_proc_ptr p)
|
||||
{
|
||||
struct ubt_softc *sc = h;
|
||||
int error;
|
||||
usbd_status err;
|
||||
|
||||
DPRINTFN(0, ("%s: sc=%p\n", __func__, sc));
|
||||
|
||||
sc->sc_evt_buf = malloc(BTHCI_EVENT_MAX_LEN, M_USBDEV, M_NOWAIT);
|
||||
if (sc->sc_evt_buf == NULL) {
|
||||
error = ENOMEM;
|
||||
goto bad0;
|
||||
}
|
||||
|
||||
err = usbd_open_pipe_intr(sc->sc_ctl_iface, sc->sc_evt_addr,
|
||||
USBD_SHORT_XFER_OK, &sc->sc_evt_pipe,
|
||||
sc, sc->sc_evt_buf, BTHCI_EVENT_MAX_LEN,
|
||||
ubt_event_cb, UBT_EVENT_EP_INTERVAL);
|
||||
if (err != USBD_NORMAL_COMPLETION) {
|
||||
error = EIO;
|
||||
goto bad1;
|
||||
}
|
||||
|
||||
err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_aclrd_addr,
|
||||
0, &sc->sc_aclrd_pipe);
|
||||
if (err != USBD_NORMAL_COMPLETION) {
|
||||
error = EIO;
|
||||
goto bad2;
|
||||
}
|
||||
|
||||
err = usbd_open_pipe(sc->sc_ctl_iface, sc->sc_aclwr_addr,
|
||||
0, &sc->sc_aclwr_pipe);
|
||||
if (err != USBD_NORMAL_COMPLETION) {
|
||||
error = EIO;
|
||||
goto bad3;
|
||||
}
|
||||
|
||||
sc->sc_ctl_xfer = usbd_alloc_xfer(sc->sc_udev);
|
||||
if (sc->sc_ctl_xfer == NULL) {
|
||||
error = ENOMEM;
|
||||
goto bad4;
|
||||
}
|
||||
sc->sc_aclrd_xfer = usbd_alloc_xfer(sc->sc_udev);
|
||||
if (sc->sc_aclrd_xfer == NULL) {
|
||||
error = ENOMEM;
|
||||
goto bad5;
|
||||
}
|
||||
sc->sc_aclwr_xfer = usbd_alloc_xfer(sc->sc_udev);
|
||||
if (sc->sc_aclwr_xfer == NULL) {
|
||||
error = ENOMEM;
|
||||
goto bad6;
|
||||
}
|
||||
|
||||
/* Buffers */
|
||||
sc->sc_ctl_buf = usbd_alloc_buffer(sc->sc_ctl_xfer,
|
||||
BTHCI_COMMAND_MAX_LEN);
|
||||
if (sc->sc_ctl_buf == NULL) {
|
||||
error = ENOMEM;
|
||||
goto bad7;
|
||||
}
|
||||
sc->sc_aclrd_buf = usbd_alloc_buffer(sc->sc_aclrd_xfer,
|
||||
BTHCI_ACL_DATA_MAX_LEN);
|
||||
if (sc->sc_aclrd_buf == NULL) {
|
||||
error = ENOMEM;
|
||||
goto bad7;
|
||||
}
|
||||
sc->sc_aclwr_buf = usbd_alloc_buffer(sc->sc_aclwr_xfer,
|
||||
BTHCI_ACL_DATA_MAX_LEN);
|
||||
if (sc->sc_aclwr_buf == NULL) {
|
||||
error = ENOMEM;
|
||||
goto bad7;
|
||||
}
|
||||
|
||||
/* Start reading */
|
||||
ubt_aclrd_request(sc);
|
||||
|
||||
return 0;
|
||||
|
||||
bad7:
|
||||
usbd_free_xfer(sc->sc_aclwr_xfer);
|
||||
sc->sc_aclwr_xfer = NULL;
|
||||
bad6:
|
||||
usbd_free_xfer(sc->sc_aclrd_xfer);
|
||||
sc->sc_aclrd_xfer = NULL;
|
||||
bad5:
|
||||
usbd_free_xfer(sc->sc_ctl_xfer);
|
||||
sc->sc_ctl_xfer = NULL;
|
||||
bad4:
|
||||
usbd_close_pipe(sc->sc_aclwr_pipe);
|
||||
sc->sc_aclwr_pipe = NULL;
|
||||
bad3:
|
||||
usbd_close_pipe(sc->sc_aclrd_pipe);
|
||||
sc->sc_aclrd_pipe = NULL;
|
||||
bad2:
|
||||
usbd_close_pipe(sc->sc_evt_pipe);
|
||||
sc->sc_evt_pipe = NULL;
|
||||
bad1:
|
||||
free(sc->sc_evt_buf, M_USBDEV);
|
||||
sc->sc_evt_buf = NULL;
|
||||
bad0:
|
||||
return error;
|
||||
}
|
||||
|
||||
static int
|
||||
ubt_close(void *h, int flag, int mode, usb_proc_ptr p)
|
||||
{
|
||||
struct ubt_softc *sc = h;
|
||||
|
||||
DPRINTFN(0, ("%s: sc=%p\n", __func__, sc));
|
||||
|
||||
ubt_abortdealloc(sc);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
ubt_control(void *h, u_int8_t *data, size_t len)
|
||||
{
|
||||
struct ubt_softc *sc = h;
|
||||
usb_device_request_t req;
|
||||
usbd_status status;
|
||||
|
||||
DPRINTFN(1,("%s: sc=%p\n", __func__, sc));
|
||||
|
||||
if (sc->sc_dying)
|
||||
return EIO;
|
||||
|
||||
if (len < BTHCI_COMMAND_MIN_LEN || len > BTHCI_COMMAND_MAX_LEN)
|
||||
return EINVAL;
|
||||
|
||||
sc->sc_refcnt++;
|
||||
|
||||
memset(&req, 0, sizeof(req));
|
||||
req.bmRequestType = UT_WRITE_CLASS_DEVICE;
|
||||
USETW(req.wLength, len);
|
||||
|
||||
memcpy(sc->sc_ctl_buf, data, len);
|
||||
|
||||
usbd_setup_default_xfer(sc->sc_ctl_xfer,
|
||||
sc->sc_udev,
|
||||
sc,
|
||||
USBD_DEFAULT_TIMEOUT,
|
||||
&req, sc->sc_ctl_buf, len,
|
||||
USBD_SYNCHRONOUS | USBD_NO_COPY, NULL);
|
||||
|
||||
status = usbd_transfer(sc->sc_ctl_xfer);
|
||||
|
||||
if (--sc->sc_refcnt < 0)
|
||||
usb_detach_wakeup(USBDEV(sc->sc_dev));
|
||||
|
||||
if (status != USBD_NORMAL_COMPLETION)
|
||||
return EIO;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
ubt_sendacldata(void *h, u_int8_t *data, size_t len)
|
||||
{
|
||||
struct ubt_softc *sc = h;
|
||||
usbd_status status;
|
||||
|
||||
DPRINTFN(1,("%s: sc=%p\n", __func__, sc));
|
||||
|
||||
if (sc->sc_dying)
|
||||
return EIO;
|
||||
|
||||
if (len < BTHCI_ACL_DATA_MIN_LEN || len > BTHCI_ACL_DATA_MAX_LEN)
|
||||
return EINVAL;
|
||||
|
||||
sc->sc_refcnt++;
|
||||
|
||||
memcpy(sc->sc_aclwr_buf, data, len);
|
||||
|
||||
usbd_setup_xfer(sc->sc_aclwr_xfer,
|
||||
sc->sc_aclwr_pipe,
|
||||
(usbd_private_handle)sc,
|
||||
sc->sc_aclwr_buf, len,
|
||||
USBD_SYNCHRONOUS | USBD_NO_COPY,
|
||||
USBD_DEFAULT_TIMEOUT,
|
||||
NULL);
|
||||
|
||||
status = usbd_transfer(sc->sc_aclwr_xfer);
|
||||
|
||||
if (--sc->sc_refcnt < 0)
|
||||
usb_detach_wakeup(USBDEV(sc->sc_dev));
|
||||
|
||||
if (status != USBD_NORMAL_COMPLETION)
|
||||
return EIO;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
ubt_sendscodata(void *h, u_int8_t *data, size_t len)
|
||||
{
|
||||
struct ubt_softc *sc = h;
|
||||
|
||||
DPRINTFN(1,("%s: sc=%p\n", __func__, sc));
|
||||
|
||||
if (sc->sc_dying)
|
||||
return EIO;
|
||||
|
||||
return ENXIO;
|
||||
}
|
||||
|
||||
static void
|
||||
ubt_event_cb(usbd_xfer_handle xfer, usbd_private_handle h, usbd_status status)
|
||||
{
|
||||
struct ubt_softc *sc = h;
|
||||
void *buf;
|
||||
u_int32_t size;
|
||||
|
||||
DPRINTFN(1,("%s: sc=%p status=%s\n", __func__, sc,
|
||||
usbd_errstr(status)));
|
||||
|
||||
if (status != USBD_NORMAL_COMPLETION || sc->sc_dying ||
|
||||
sc->sc_child == NULL)
|
||||
return;
|
||||
|
||||
usbd_get_xfer_status(xfer, NULL, &buf, &size, NULL);
|
||||
|
||||
sc->sc_cb->bt_recveventdata(sc->sc_child, buf, (size_t)size);
|
||||
}
|
||||
|
||||
static void
|
||||
ubt_aclrd_request(struct ubt_softc *sc)
|
||||
{
|
||||
usbd_status status;
|
||||
int s;
|
||||
|
||||
DPRINTFN(1,("%s: sc=%p\n", __func__, sc));
|
||||
|
||||
if (sc->sc_dying)
|
||||
return;
|
||||
|
||||
s = splusb();
|
||||
if (sc->sc_aclrd_running) {
|
||||
splx(s);
|
||||
return;
|
||||
}
|
||||
sc->sc_aclrd_running = 1;
|
||||
splx(s);
|
||||
|
||||
usbd_setup_xfer(sc->sc_aclrd_xfer, sc->sc_aclrd_pipe,
|
||||
sc, sc->sc_aclrd_buf, BTHCI_ACL_DATA_MAX_LEN,
|
||||
USBD_SHORT_XFER_OK | USBD_NO_COPY,
|
||||
USBD_NO_TIMEOUT, ubt_aclrd_cb);
|
||||
|
||||
status = usbd_transfer(sc->sc_aclrd_xfer);
|
||||
if (status == USBD_IN_PROGRESS || USBD_CANCELLED)
|
||||
return;
|
||||
|
||||
DPRINTFN(1,("%s: read request failed: %s\n", __func__,
|
||||
usbd_errstr(status)));
|
||||
|
||||
sc->sc_aclrd_running = 0;
|
||||
sc->sc_blocked |= BT_CBBLOCK_ACL_DATA;
|
||||
}
|
||||
|
||||
static void
|
||||
ubt_aclrd_cb(usbd_xfer_handle xfer, usbd_private_handle h, usbd_status status)
|
||||
{
|
||||
struct ubt_softc *sc = h;
|
||||
void *buf;
|
||||
u_int32_t size;
|
||||
|
||||
DPRINTFN(1,("%s: sc=%p status=%s\n", __func__, sc,
|
||||
usbd_errstr(status)));
|
||||
|
||||
sc->sc_aclrd_running = 0;
|
||||
|
||||
if (status != USBD_NORMAL_COMPLETION || sc->sc_dying ||
|
||||
sc->sc_child == NULL)
|
||||
return;
|
||||
|
||||
usbd_get_xfer_status(xfer, NULL, &buf, &size, NULL);
|
||||
|
||||
sc->sc_cb->bt_recvacldata(sc->sc_child, buf, (size_t)size);
|
||||
|
||||
/* Re-issue the request if not blocked */
|
||||
if (!sc->sc_dying && !(sc->sc_blocked & BT_CBBLOCK_ACL_DATA))
|
||||
ubt_aclrd_request(sc);
|
||||
}
|
||||
|
||||
static unsigned int
|
||||
ubt_blockcb(void *h, unsigned int cbblocks)
|
||||
{
|
||||
struct ubt_softc *sc = h;
|
||||
|
||||
sc->sc_blocked |= (cbblocks & BT_CBBLOCK_ACL_DATA);
|
||||
|
||||
return sc->sc_blocked;
|
||||
}
|
||||
|
||||
static unsigned int
|
||||
ubt_unblockcb(void *h, unsigned int cbblocks)
|
||||
{
|
||||
struct ubt_softc *sc = h;
|
||||
unsigned int oblocks, changes;
|
||||
|
||||
oblocks = sc->sc_blocked;
|
||||
sc->sc_blocked = oblocks & ~cbblocks;
|
||||
|
||||
changes = oblocks & cbblocks;
|
||||
|
||||
if (changes & BT_CBBLOCK_ACL_DATA)
|
||||
/* Re-issue the request if action un-blocked reads */
|
||||
ubt_aclrd_request(sc);
|
||||
|
||||
return sc->sc_blocked;
|
||||
}
|
||||
|
||||
static int
|
||||
ubt_splraise(void)
|
||||
{
|
||||
return splusb();
|
||||
}
|
||||
|
40
sys/dev/usb/ubtreg.h
Normal file
40
sys/dev/usb/ubtreg.h
Normal file
@ -0,0 +1,40 @@
|
||||
/* $NetBSD: ubtreg.h,v 1.1 2003/01/05 05:20:20 dsainty Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (c) 2003 The NetBSD Foundation, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This code is derived from software contributed to The NetBSD Foundation
|
||||
* by David Sainty <David.Sainty@dtsp.co.nz>
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
/* Event endpoint interval */
|
||||
#define UBT_EVENT_EP_INTERVAL 1
|
Loading…
Reference in New Issue
Block a user