128 lines
4.5 KiB
C
128 lines
4.5 KiB
C
/*-
|
|
* Copyright (c) 2000 The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Matt Thomas of 3am Software Foundry.
|
|
*
|
|
* 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/types.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/device.h>
|
|
|
|
#include <machine/bus.h>
|
|
|
|
#include <dev/ieee1394/ieee1394reg.h>
|
|
#include <dev/ieee1394/fwohcireg.h>
|
|
|
|
#include <dev/ieee1394/ieee1394var.h>
|
|
#include <dev/ieee1394/fwohcivar.h>
|
|
|
|
static const char * const ieee1394_speeds[] = { IEEE1394_SPD_STRINGS };
|
|
|
|
int
|
|
fwohci_init(struct fwohci_softc *sc)
|
|
{
|
|
u_int32_t val;
|
|
|
|
/* What dialect of OHCI is this device?
|
|
*/
|
|
val = OHCI_CSR_READ(sc, OHCI_REG_Version);
|
|
printf("%s: OHCI %u.%u", sc->sc_sc1394.sc1394_dev.dv_xname,
|
|
OHCI_Version_GET_Version(val), OHCI_Version_GET_Revision(val));
|
|
|
|
/* Is the Global UID ROM present?
|
|
*/
|
|
if ((val & OHCI_Version_GUID_ROM) == 0) {
|
|
printf("\n%s: fatal: no global UID ROM\n", sc->sc_sc1394.sc1394_dev.dv_xname);
|
|
return -1;
|
|
}
|
|
|
|
/* Extract the Global UID
|
|
*/
|
|
val = OHCI_CSR_READ(sc, OHCI_REG_GUIDHi);
|
|
sc->sc_sc1394.sc1394_guid[0] = (val >> 24) & 0xff;
|
|
sc->sc_sc1394.sc1394_guid[1] = (val >> 16) & 0xff;
|
|
sc->sc_sc1394.sc1394_guid[2] = (val >> 8) & 0xff;
|
|
sc->sc_sc1394.sc1394_guid[3] = (val >> 0) & 0xff;
|
|
|
|
val = OHCI_CSR_READ(sc, OHCI_REG_GUIDLo);
|
|
sc->sc_sc1394.sc1394_guid[4] = (val >> 24) & 0xff;
|
|
sc->sc_sc1394.sc1394_guid[5] = (val >> 16) & 0xff;
|
|
sc->sc_sc1394.sc1394_guid[6] = (val >> 8) & 0xff;
|
|
sc->sc_sc1394.sc1394_guid[7] = (val >> 0) & 0xff;
|
|
|
|
printf(", %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
|
|
sc->sc_sc1394.sc1394_guid[0], sc->sc_sc1394.sc1394_guid[1],
|
|
sc->sc_sc1394.sc1394_guid[2], sc->sc_sc1394.sc1394_guid[3],
|
|
sc->sc_sc1394.sc1394_guid[4], sc->sc_sc1394.sc1394_guid[5],
|
|
sc->sc_sc1394.sc1394_guid[6], sc->sc_sc1394.sc1394_guid[7]);
|
|
|
|
/* Get the maximum link speed and receive size
|
|
*/
|
|
val = OHCI_CSR_READ(sc, OHCI_REG_BusOptions);
|
|
sc->sc_sc1394.sc1394_link_speed =
|
|
(val & OHCI_BusOptions_LinkSpd_MASK)
|
|
>> OHCI_BusOptions_LinkSpd_BITPOS;
|
|
if (sc->sc_sc1394.sc1394_link_speed < IEEE1394_SPD_MAX) {
|
|
printf(", %s", ieee1394_speeds[sc->sc_sc1394.sc1394_link_speed]);
|
|
} else {
|
|
printf(", unknown speed %u", sc->sc_sc1394.sc1394_link_speed);
|
|
}
|
|
|
|
/* MaxRec is encoded as log2(max_rec_octets)-1
|
|
*/
|
|
sc->sc_sc1394.sc1394_max_receive =
|
|
1 << (((val & OHCI_BusOptions_MaxRec_MASK)
|
|
>> OHCI_BusOptions_MaxRec_BITPOS) + 1);
|
|
printf(", %u byte packets max", sc->sc_sc1394.sc1394_max_receive);
|
|
|
|
printf("\n");
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
fwohci_intr(void *arg)
|
|
{
|
|
struct fwohci_softc * const sc = arg;
|
|
int progress = 0;
|
|
|
|
for (;;) {
|
|
u_int32_t intmask = OHCI_CSR_READ(sc, OHCI_REG_IntEventClear);
|
|
if (intmask == 0)
|
|
return progress;
|
|
OHCI_CSR_WRITE(sc, OHCI_REG_IntEventClear, intmask);
|
|
progress = 1;
|
|
}
|
|
}
|