* Copyright (c) 2002-2003
* Hidetoshi Shimokawa. All rights reserved.
*
* 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 Hidetoshi Shimokawa.
*
* 4. Neither the name of the author 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 REGENTS 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 REGENTS 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/types.h>
#include <endian.h>
#include <sys/ioccom.h>
#include "queue.h"
#include "fwglue.h"
#include "firewire.h"
#include "iec13213.h"
#include "firewirereg.h"
#include "fwmem.h"
static int fwmem_debug=0;
static struct fw_xfer *
fwmem_xfer_req(
struct fw_device *fwdev,
caddr_t sc,
int spd,
int slen,
int rlen,
void *hand)
{
struct fw_xfer *xfer;
xfer = fw_xfer_alloc();
if (xfer == NULL)
return NULL;
xfer->fc = fwdev->fc;
xfer->send.hdr.mode.hdr.dst = FWLOCALBUS | fwdev->dst;
if (spd < 0)
xfer->send.spd = fwdev->speed;
else
xfer->send.spd = min_c(spd, fwdev->speed);
xfer->hand = (void (*)(fw_xfer*))hand;
xfer->sc = sc;
xfer->send.pay_len = slen;
xfer->recv.pay_len = rlen;
return xfer;
}
struct fw_xfer *
fwmem_read_quad(
struct fw_device *fwdev,
caddr_t sc,
uint8_t spd,
uint16_t dst_hi,
uint32_t dst_lo,
void *data,
void (*hand)(struct fw_xfer *))
{
struct fw_xfer *xfer;
struct fw_pkt *fp;
xfer = fwmem_xfer_req(fwdev, (char *)sc, spd, 0, 4, (void*)hand);
if (xfer == NULL) {
return NULL;
}
fp = &xfer->send.hdr;
fp->mode.rreqq.tcode = FWTCODE_RREQQ;
fp->mode.rreqq.dest_hi = dst_hi;
fp->mode.rreqq.dest_lo = dst_lo;
xfer->send.payload = NULL;
xfer->recv.payload = (uint32_t *)data;
if (fwmem_debug)
printf("fwmem_read_quad: %d %04x:%08x\n", fwdev->dst,
dst_hi, dst_lo);
if (fw_asyreq(xfer->fc, -1, xfer) == 0)
return xfer;
fw_xfer_free(xfer);
return NULL;
}
struct fw_xfer *
fwmem_write_quad(
struct fw_device *fwdev,
caddr_t sc,
uint8_t spd,
uint16_t dst_hi,
uint32_t dst_lo,
void *data,
void (*hand)(struct fw_xfer *))
{
struct fw_xfer *xfer;
struct fw_pkt *fp;
xfer = fwmem_xfer_req(fwdev, sc, spd, 0, 0, (void*)hand);
if (xfer == NULL)
return NULL;
fp = &xfer->send.hdr;
fp->mode.wreqq.tcode = FWTCODE_WREQQ;
fp->mode.wreqq.dest_hi = dst_hi;
fp->mode.wreqq.dest_lo = dst_lo;
fp->mode.wreqq.data = *(uint32_t *)data;
xfer->send.payload = xfer->recv.payload = NULL;
if (fwmem_debug)
printf("fwmem_write_quad: %d %04x:%08x %08x\n", fwdev->dst,
dst_hi, dst_lo, *(uint32_t *)data);
if (fw_asyreq(xfer->fc, -1, xfer) == 0)
return xfer;
fw_xfer_free(xfer);
return NULL;
}
struct fw_xfer *
fwmem_read_block(
struct fw_device *fwdev,
caddr_t sc,
uint8_t spd,
uint16_t dst_hi,
uint32_t dst_lo,
int len,
void *data,
void (*hand)(struct fw_xfer *))
{
struct fw_xfer *xfer;
struct fw_pkt *fp;
xfer = fwmem_xfer_req(fwdev, sc, spd, 0, roundup2(len, 4), (void*)hand);
if (xfer == NULL)
return NULL;
fp = &xfer->send.hdr;
fp->mode.rreqb.tcode = FWTCODE_RREQB;
fp->mode.rreqb.dest_hi = dst_hi;
fp->mode.rreqb.dest_lo = dst_lo;
fp->mode.rreqb.len = len;
fp->mode.rreqb.extcode = 0;
xfer->send.payload = NULL;
xfer->recv.payload = (uint32_t*)data;
if (fwmem_debug)
printf("fwmem_read_block: %d %04x:%08x %d\n", fwdev->dst,
dst_hi, dst_lo, len);
if (fw_asyreq(xfer->fc, -1, xfer) == 0)
return xfer;
fw_xfer_free(xfer);
return NULL;
}
struct fw_xfer *
fwmem_write_block(
struct fw_device *fwdev,
caddr_t sc,
uint8_t spd,
uint16_t dst_hi,
uint32_t dst_lo,
int len,
void *data,
void (*hand)(struct fw_xfer *))
{
struct fw_xfer *xfer;
struct fw_pkt *fp;
xfer = fwmem_xfer_req(fwdev, sc, spd, len, 0, (void*)hand);
if (xfer == NULL)
return NULL;
fp = &xfer->send.hdr;
fp->mode.wreqb.tcode = FWTCODE_WREQB;
fp->mode.wreqb.dest_hi = dst_hi;
fp->mode.wreqb.dest_lo = dst_lo;
fp->mode.wreqb.len = len;
fp->mode.wreqb.extcode = 0;
xfer->send.payload = (uint32_t*)data;
xfer->recv.payload = NULL;
if (fwmem_debug)
printf("fwmem_write_block: %d %04x:%08x %d\n", fwdev->dst,
dst_hi, dst_lo, len);
if (fw_asyreq(xfer->fc, -1, xfer) == 0)
return xfer;
fw_xfer_free(xfer);
return NULL;
}
