1338 lines
32 KiB
C
1338 lines
32 KiB
C
/*-
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* 1. Redistributions of source code must retain the
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* Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Amancio Hasty and
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* Roger Hardiman
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* This is part of the Driver for Video Capture Cards (Frame grabbers)
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* and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879
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* chipset.
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* Copyright Roger Hardiman and Amancio Hasty.
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*
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* bktr_os : This has all the Operating System dependant code,
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* probe/attach and open/close/ioctl/read/mmap
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* memory allocation
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* PCI bus interfacing
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*/
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#include "opt_bktr.h" /* include any kernel config options */
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#define FIFO_RISC_DISABLED 0
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#define ALL_INTS_DISABLED 0
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/*******************/
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/* *** FreeBSD *** */
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/*******************/
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#ifdef __FreeBSD__
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <sys/uio.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/signalvar.h>
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#include <sys/malloc.h>
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#include <sys/mman.h>
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#include <sys/poll.h>
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#if __FreeBSD_version >= 500014
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#include <sys/selinfo.h>
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#else
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#include <sys/select.h>
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#endif
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#include <vm/vm.h>
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#include <vm/vm_kern.h>
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#include <vm/pmap.h>
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#include <vm/vm_extern.h>
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#include <sys/bus.h> /* used by smbus and newbus */
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#include <machine/bus.h> /* used by bus space and newbus */
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#include <sys/bus.h>
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#include <sys/rman.h> /* used by newbus */
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#include <machine/resource.h> /* used by newbus */
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#if (__FreeBSD_version < 500000)
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#include <machine/clock.h> /* for DELAY */
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#include <pci/pcivar.h>
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#include <pci/pcireg.h>
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#else
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcireg.h>
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#endif
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#include <sys/sysctl.h>
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int bt848_card = -1;
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int bt848_tuner = -1;
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int bt848_reverse_mute = -1;
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int bt848_format = -1;
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int bt848_slow_msp_audio = -1;
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#ifdef BKTR_NEW_MSP34XX_DRIVER
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int bt848_stereo_once = 0; /* no continuous stereo monitoring */
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int bt848_amsound = 0; /* hard-wire AM sound at 6.5 Hz (france),
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the autoscan seems work well only with FM... */
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int bt848_dolby = 0;
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#endif
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static SYSCTL_NODE(_hw, OID_AUTO, bt848, CTLFLAG_RW, 0, "Bt848 Driver mgmt");
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SYSCTL_INT(_hw_bt848, OID_AUTO, card, CTLFLAG_RW, &bt848_card, -1, "");
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SYSCTL_INT(_hw_bt848, OID_AUTO, tuner, CTLFLAG_RW, &bt848_tuner, -1, "");
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SYSCTL_INT(_hw_bt848, OID_AUTO, reverse_mute, CTLFLAG_RW, &bt848_reverse_mute, -1, "");
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SYSCTL_INT(_hw_bt848, OID_AUTO, format, CTLFLAG_RW, &bt848_format, -1, "");
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SYSCTL_INT(_hw_bt848, OID_AUTO, slow_msp_audio, CTLFLAG_RW, &bt848_slow_msp_audio, -1, "");
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#ifdef BKTR_NEW_MSP34XX_DRIVER
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SYSCTL_INT(_hw_bt848, OID_AUTO, stereo_once, CTLFLAG_RW, &bt848_stereo_once, 0, "");
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SYSCTL_INT(_hw_bt848, OID_AUTO, amsound, CTLFLAG_RW, &bt848_amsound, 0, "");
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SYSCTL_INT(_hw_bt848, OID_AUTO, dolby, CTLFLAG_RW, &bt848_dolby, 0, "");
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#endif
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#endif /* end freebsd section */
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/****************/
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/* *** BSDI *** */
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/****************/
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#ifdef __bsdi__
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#endif /* __bsdi__ */
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/**************************/
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/* *** OpenBSD/NetBSD *** */
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/**************************/
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#if defined(__NetBSD__) || defined(__OpenBSD__)
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <sys/uio.h>
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#include <sys/kernel.h>
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#include <sys/signalvar.h>
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#include <sys/mman.h>
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#include <sys/poll.h>
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#include <sys/select.h>
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#include <sys/vnode.h>
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#include <vm/vm.h>
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#include <dev/bktr/ioctl_bt848.h> /* extensions to ioctl_meteor.h */
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#ifndef __NetBSD__
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#include <vm/vm_kern.h>
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#include <vm/pmap.h>
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#include <vm/vm_extern.h>
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#endif
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#include <sys/device.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcidevs.h>
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#define BKTR_DEBUG
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#ifdef BKTR_DEBUG
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int bktr_debug = 0;
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#define DPR(x) (bktr_debug ? printf x : 0)
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#else
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#define DPR(x)
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#endif
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#endif /* __NetBSD__ || __OpenBSD__ */
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#ifdef __NetBSD__
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#include <dev/ic/bt8xx.h> /* NetBSD location for .h files */
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#include <dev/pci/bktr/bktr_reg.h>
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#include <dev/pci/bktr/bktr_tuner.h>
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#include <dev/pci/bktr/bktr_card.h>
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#include <dev/pci/bktr/bktr_audio.h>
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#include <dev/pci/bktr/bktr_core.h>
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#include <dev/pci/bktr/bktr_os.h>
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#else /* Traditional location for .h files */
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#include <dev/bktr/ioctl_meteor.h>
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#include <dev/bktr/ioctl_bt848.h> /* extensions to ioctl_meteor.h */
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#include <dev/bktr/bktr_reg.h>
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#include <dev/bktr/bktr_tuner.h>
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#include <dev/bktr/bktr_card.h>
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#include <dev/bktr/bktr_audio.h>
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#include <dev/bktr/bktr_core.h>
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#include <dev/bktr/bktr_os.h>
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#if defined(BKTR_USE_FREEBSD_SMBUS)
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#include <dev/bktr/bktr_i2c.h>
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#include "iicbb_if.h"
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#include "smbus_if.h"
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#endif
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#endif
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/****************************/
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/* *** FreeBSD 4.x code *** */
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/****************************/
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static int bktr_probe( device_t dev );
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static int bktr_attach( device_t dev );
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static int bktr_detach( device_t dev );
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static int bktr_shutdown( device_t dev );
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static void bktr_intr(void *arg) { common_bktr_intr(arg); }
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static device_method_t bktr_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, bktr_probe),
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DEVMETHOD(device_attach, bktr_attach),
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DEVMETHOD(device_detach, bktr_detach),
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DEVMETHOD(device_shutdown, bktr_shutdown),
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#if defined(BKTR_USE_FREEBSD_SMBUS)
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/* iicbb interface */
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DEVMETHOD(iicbb_callback, bti2c_iic_callback),
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DEVMETHOD(iicbb_setsda, bti2c_iic_setsda),
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DEVMETHOD(iicbb_setscl, bti2c_iic_setscl),
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DEVMETHOD(iicbb_getsda, bti2c_iic_getsda),
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DEVMETHOD(iicbb_getscl, bti2c_iic_getscl),
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DEVMETHOD(iicbb_reset, bti2c_iic_reset),
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/* smbus interface */
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DEVMETHOD(smbus_callback, bti2c_smb_callback),
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DEVMETHOD(smbus_writeb, bti2c_smb_writeb),
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DEVMETHOD(smbus_writew, bti2c_smb_writew),
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DEVMETHOD(smbus_readb, bti2c_smb_readb),
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#endif
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{ 0, 0 }
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};
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static driver_t bktr_driver = {
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"bktr",
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bktr_methods,
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sizeof(struct bktr_softc),
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};
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static devclass_t bktr_devclass;
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static d_open_t bktr_open;
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static d_close_t bktr_close;
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static d_read_t bktr_read;
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static d_write_t bktr_write;
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static d_ioctl_t bktr_ioctl;
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static d_mmap_t bktr_mmap;
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static d_poll_t bktr_poll;
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static struct cdevsw bktr_cdevsw = {
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.d_version = D_VERSION,
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.d_flags = D_NEEDGIANT,
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.d_open = bktr_open,
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.d_close = bktr_close,
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.d_read = bktr_read,
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.d_write = bktr_write,
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.d_ioctl = bktr_ioctl,
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.d_poll = bktr_poll,
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.d_mmap = bktr_mmap,
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.d_name = "bktr",
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};
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#ifdef BKTR_USE_FREEBSD_SMBUS
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#include <dev/iicbus/iiconf.h>
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#include <dev/smbus/smbconf.h>
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MODULE_DEPEND(bktr, iicbb, IICBB_MINVER, IICBB_MODVER, IICBB_MAXVER);
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MODULE_DEPEND(bktr, iicbus, IICBUS_MINVER, IICBUS_MODVER, IICBUS_MAXVER);
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MODULE_DEPEND(bktr, smbus, SMBUS_MINVER, SMBUS_MODVER, SMBUS_MAXVER);
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#endif
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DRIVER_MODULE(bktr, pci, bktr_driver, bktr_devclass, 0, 0);
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MODULE_DEPEND(bktr, bktr_mem, 1,1,1);
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MODULE_VERSION(bktr, 1);
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/*
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* the boot time probe routine.
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*/
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static int
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bktr_probe( device_t dev )
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{
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unsigned int type = pci_get_devid(dev);
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unsigned int rev = pci_get_revid(dev);
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if (PCI_VENDOR(type) == PCI_VENDOR_BROOKTREE)
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{
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switch (PCI_PRODUCT(type)) {
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case PCI_PRODUCT_BROOKTREE_BT848:
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if (rev == 0x12)
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device_set_desc(dev, "BrookTree 848A");
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else
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device_set_desc(dev, "BrookTree 848");
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return BUS_PROBE_DEFAULT;
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case PCI_PRODUCT_BROOKTREE_BT849:
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device_set_desc(dev, "BrookTree 849A");
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return BUS_PROBE_DEFAULT;
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case PCI_PRODUCT_BROOKTREE_BT878:
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device_set_desc(dev, "BrookTree 878");
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return BUS_PROBE_DEFAULT;
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case PCI_PRODUCT_BROOKTREE_BT879:
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device_set_desc(dev, "BrookTree 879");
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return BUS_PROBE_DEFAULT;
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}
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};
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return ENXIO;
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}
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/*
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* the attach routine.
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*/
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static int
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bktr_attach( device_t dev )
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{
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u_long latency;
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u_long fun;
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u_long val;
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unsigned int rev;
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unsigned int unit;
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int error = 0;
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#ifdef BROOKTREE_IRQ
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u_long old_irq, new_irq;
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#endif
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struct bktr_softc *bktr = device_get_softc(dev);
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unit = device_get_unit(dev);
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/* build the device name for bktr_name() */
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snprintf(bktr->bktr_xname, sizeof(bktr->bktr_xname), "bktr%d",unit);
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/*
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* Enable bus mastering and Memory Mapped device
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*/
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val = pci_read_config(dev, PCIR_COMMAND, 4);
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val |= (PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN);
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pci_write_config(dev, PCIR_COMMAND, val, 4);
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/*
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* Map control/status registers.
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*/
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bktr->mem_rid = PCIR_BAR(0);
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bktr->res_mem = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
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&bktr->mem_rid, RF_ACTIVE);
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if (!bktr->res_mem) {
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device_printf(dev, "could not map memory\n");
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error = ENXIO;
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goto fail;
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}
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bktr->memt = rman_get_bustag(bktr->res_mem);
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bktr->memh = rman_get_bushandle(bktr->res_mem);
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/*
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* Disable the brooktree device
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*/
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OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED);
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OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED);
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#ifdef BROOKTREE_IRQ /* from the configuration file */
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old_irq = pci_conf_read(tag, PCI_INTERRUPT_REG);
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pci_conf_write(tag, PCI_INTERRUPT_REG, BROOKTREE_IRQ);
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new_irq = pci_conf_read(tag, PCI_INTERRUPT_REG);
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printf("bktr%d: attach: irq changed from %d to %d\n",
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unit, (old_irq & 0xff), (new_irq & 0xff));
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#endif
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/*
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* Allocate our interrupt.
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*/
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bktr->irq_rid = 0;
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bktr->res_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ,
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&bktr->irq_rid, RF_SHAREABLE | RF_ACTIVE);
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if (bktr->res_irq == NULL) {
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device_printf(dev, "could not map interrupt\n");
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error = ENXIO;
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goto fail;
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}
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error = bus_setup_intr(dev, bktr->res_irq, INTR_TYPE_TTY,
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NULL, bktr_intr, bktr, &bktr->res_ih);
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if (error) {
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device_printf(dev, "could not setup irq\n");
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goto fail;
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}
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/* Update the Device Control Register */
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/* on Bt878 and Bt879 cards */
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fun = pci_read_config( dev, 0x40, 2);
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fun = fun | 1; /* Enable writes to the sub-system vendor ID */
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#if defined( BKTR_430_FX_MODE )
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if (bootverbose) printf("Using 430 FX chipset compatibilty mode\n");
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fun = fun | 2; /* Enable Intel 430 FX compatibility mode */
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#endif
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#if defined( BKTR_SIS_VIA_MODE )
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if (bootverbose) printf("Using SiS/VIA chipset compatibilty mode\n");
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fun = fun | 4; /* Enable SiS/VIA compatibility mode (useful for
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OPTi chipset motherboards too */
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#endif
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pci_write_config(dev, 0x40, fun, 2);
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#if defined(BKTR_USE_FREEBSD_SMBUS)
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if (bt848_i2c_attach(dev))
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printf("bktr%d: i2c_attach: can't attach\n", unit);
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#endif
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/*
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* PCI latency timer. 32 is a good value for 4 bus mastering slots, if
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* you have more than four, then 16 would probably be a better value.
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*/
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#ifndef BROOKTREE_DEF_LATENCY_VALUE
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#define BROOKTREE_DEF_LATENCY_VALUE 10
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#endif
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latency = pci_read_config(dev, PCI_LATENCY_TIMER, 4);
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latency = (latency >> 8) & 0xff;
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if ( bootverbose ) {
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if (latency)
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printf("brooktree%d: PCI bus latency is", unit);
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else
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printf("brooktree%d: PCI bus latency was 0 changing to",
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unit);
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}
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if ( !latency ) {
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latency = BROOKTREE_DEF_LATENCY_VALUE;
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pci_write_config(dev, PCI_LATENCY_TIMER, latency<<8, 4);
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}
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if ( bootverbose ) {
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printf(" %d.\n", (int) latency);
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}
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/* read the pci device id and revision id */
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fun = pci_get_devid(dev);
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rev = pci_get_revid(dev);
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/* call the common attach code */
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common_bktr_attach( bktr, unit, fun, rev );
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/* make the device entries */
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bktr->bktrdev = make_dev(&bktr_cdevsw, unit,
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0, 0, 0444, "bktr%d", unit);
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bktr->tunerdev= make_dev(&bktr_cdevsw, unit+16,
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0, 0, 0444, "tuner%d", unit);
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bktr->vbidev = make_dev(&bktr_cdevsw, unit+32,
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0, 0, 0444, "vbi%d" , unit);
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|
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/* if this is unit 0 (/dev/bktr0, /dev/tuner0, /dev/vbi0) then make */
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/* alias entries to /dev/bktr /dev/tuner and /dev/vbi */
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#if (__FreeBSD_version >=500000)
|
|
if (unit == 0) {
|
|
bktr->bktrdev_alias = make_dev_alias(bktr->bktrdev, "bktr");
|
|
bktr->tunerdev_alias= make_dev_alias(bktr->tunerdev, "tuner");
|
|
bktr->vbidev_alias = make_dev_alias(bktr->vbidev, "vbi");
|
|
}
|
|
#endif
|
|
|
|
return 0;
|
|
|
|
fail:
|
|
if (bktr->res_irq)
|
|
bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq);
|
|
if (bktr->res_mem)
|
|
bus_release_resource(dev, SYS_RES_MEMORY, bktr->mem_rid, bktr->res_mem);
|
|
return error;
|
|
|
|
}
|
|
|
|
/*
|
|
* the detach routine.
|
|
*/
|
|
static int
|
|
bktr_detach( device_t dev )
|
|
{
|
|
struct bktr_softc *bktr = device_get_softc(dev);
|
|
|
|
#ifdef BKTR_NEW_MSP34XX_DRIVER
|
|
/* Disable the soundchip and kernel thread */
|
|
if (bktr->msp3400c_info != NULL)
|
|
msp_detach(bktr);
|
|
#endif
|
|
|
|
/* Disable the brooktree device */
|
|
OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED);
|
|
OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED);
|
|
|
|
#if defined(BKTR_USE_FREEBSD_SMBUS)
|
|
if (bt848_i2c_detach(dev))
|
|
printf("bktr%d: i2c_attach: can't attach\n",
|
|
device_get_unit(dev));
|
|
#endif
|
|
#ifdef USE_VBIMUTEX
|
|
mtx_destroy(&bktr->vbimutex);
|
|
#endif
|
|
|
|
/* Note: We do not free memory for RISC programs, grab buffer, vbi buffers */
|
|
/* The memory is retained by the bktr_mem module so we can unload and */
|
|
/* then reload the main bktr driver module */
|
|
|
|
/* Unregister the /dev/bktrN, tunerN and vbiN devices,
|
|
* the aliases for unit 0 are automatically destroyed */
|
|
destroy_dev(bktr->vbidev);
|
|
destroy_dev(bktr->tunerdev);
|
|
destroy_dev(bktr->bktrdev);
|
|
|
|
/*
|
|
* Deallocate resources.
|
|
*/
|
|
bus_teardown_intr(dev, bktr->res_irq, bktr->res_ih);
|
|
bus_release_resource(dev, SYS_RES_IRQ, bktr->irq_rid, bktr->res_irq);
|
|
bus_release_resource(dev, SYS_RES_MEMORY, bktr->mem_rid, bktr->res_mem);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* the shutdown routine.
|
|
*/
|
|
static int
|
|
bktr_shutdown( device_t dev )
|
|
{
|
|
struct bktr_softc *bktr = device_get_softc(dev);
|
|
|
|
/* Disable the brooktree device */
|
|
OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED);
|
|
OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
* Special Memory Allocation
|
|
*/
|
|
vm_offset_t
|
|
get_bktr_mem( int unit, unsigned size )
|
|
{
|
|
vm_offset_t addr = 0;
|
|
|
|
addr = (vm_offset_t)contigmalloc(size, M_DEVBUF, M_NOWAIT, 0,
|
|
0xffffffff, 1<<24, 0);
|
|
if (addr == 0)
|
|
addr = (vm_offset_t)contigmalloc(size, M_DEVBUF, M_NOWAIT, 0,
|
|
0xffffffff, PAGE_SIZE, 0);
|
|
if (addr == 0) {
|
|
printf("bktr%d: Unable to allocate %d bytes of memory.\n",
|
|
unit, size);
|
|
}
|
|
|
|
return( addr );
|
|
}
|
|
|
|
|
|
/*---------------------------------------------------------
|
|
**
|
|
** BrookTree 848 character device driver routines
|
|
**
|
|
**---------------------------------------------------------
|
|
*/
|
|
|
|
#define VIDEO_DEV 0x00
|
|
#define TUNER_DEV 0x01
|
|
#define VBI_DEV 0x02
|
|
|
|
#define UNIT(x) ((x) & 0x0f)
|
|
#define FUNCTION(x) (x >> 4)
|
|
|
|
/*
|
|
*
|
|
*/
|
|
static int
|
|
bktr_open( struct cdev *dev, int flags, int fmt, struct thread *td )
|
|
{
|
|
bktr_ptr_t bktr;
|
|
int unit;
|
|
int result;
|
|
|
|
unit = UNIT( dev2unit(dev) );
|
|
|
|
/* Get the device data */
|
|
bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit);
|
|
if (bktr == NULL) {
|
|
/* the device is no longer valid/functioning */
|
|
return (ENXIO);
|
|
}
|
|
|
|
if (!(bktr->flags & METEOR_INITALIZED)) /* device not found */
|
|
return( ENXIO );
|
|
|
|
/* Record that the device is now busy */
|
|
device_busy(devclass_get_device(bktr_devclass, unit));
|
|
|
|
|
|
if (bt848_card != -1) {
|
|
if ((bt848_card >> 8 == unit ) &&
|
|
( (bt848_card & 0xff) < Bt848_MAX_CARD )) {
|
|
if ( bktr->bt848_card != (bt848_card & 0xff) ) {
|
|
bktr->bt848_card = (bt848_card & 0xff);
|
|
probeCard(bktr, FALSE, unit);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (bt848_tuner != -1) {
|
|
if ((bt848_tuner >> 8 == unit ) &&
|
|
( (bt848_tuner & 0xff) < Bt848_MAX_TUNER )) {
|
|
if ( bktr->bt848_tuner != (bt848_tuner & 0xff) ) {
|
|
bktr->bt848_tuner = (bt848_tuner & 0xff);
|
|
probeCard(bktr, FALSE, unit);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (bt848_reverse_mute != -1) {
|
|
if ((bt848_reverse_mute >> 8) == unit ) {
|
|
bktr->reverse_mute = bt848_reverse_mute & 0xff;
|
|
}
|
|
}
|
|
|
|
if (bt848_slow_msp_audio != -1) {
|
|
if ((bt848_slow_msp_audio >> 8) == unit ) {
|
|
bktr->slow_msp_audio = (bt848_slow_msp_audio & 0xff);
|
|
}
|
|
}
|
|
|
|
#ifdef BKTR_NEW_MSP34XX_DRIVER
|
|
if (bt848_stereo_once != 0) {
|
|
if ((bt848_stereo_once >> 8) == unit ) {
|
|
bktr->stereo_once = (bt848_stereo_once & 0xff);
|
|
}
|
|
}
|
|
|
|
if (bt848_amsound != -1) {
|
|
if ((bt848_amsound >> 8) == unit ) {
|
|
bktr->amsound = (bt848_amsound & 0xff);
|
|
}
|
|
}
|
|
|
|
if (bt848_dolby != -1) {
|
|
if ((bt848_dolby >> 8) == unit ) {
|
|
bktr->dolby = (bt848_dolby & 0xff);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
switch ( FUNCTION( dev2unit(dev) ) ) {
|
|
case VIDEO_DEV:
|
|
result = video_open( bktr );
|
|
break;
|
|
case TUNER_DEV:
|
|
result = tuner_open( bktr );
|
|
break;
|
|
case VBI_DEV:
|
|
result = vbi_open( bktr );
|
|
break;
|
|
default:
|
|
result = ENXIO;
|
|
break;
|
|
}
|
|
|
|
/* If there was an error opening the device, undo the busy status */
|
|
if (result != 0)
|
|
device_unbusy(devclass_get_device(bktr_devclass, unit));
|
|
return( result );
|
|
}
|
|
|
|
|
|
/*
|
|
*
|
|
*/
|
|
static int
|
|
bktr_close( struct cdev *dev, int flags, int fmt, struct thread *td )
|
|
{
|
|
bktr_ptr_t bktr;
|
|
int unit;
|
|
int result;
|
|
|
|
unit = UNIT( dev2unit(dev) );
|
|
|
|
/* Get the device data */
|
|
bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit);
|
|
if (bktr == NULL) {
|
|
/* the device is no longer valid/functioning */
|
|
return (ENXIO);
|
|
}
|
|
|
|
switch ( FUNCTION( dev2unit(dev) ) ) {
|
|
case VIDEO_DEV:
|
|
result = video_close( bktr );
|
|
break;
|
|
case TUNER_DEV:
|
|
result = tuner_close( bktr );
|
|
break;
|
|
case VBI_DEV:
|
|
result = vbi_close( bktr );
|
|
break;
|
|
default:
|
|
return (ENXIO);
|
|
break;
|
|
}
|
|
|
|
device_unbusy(devclass_get_device(bktr_devclass, unit));
|
|
return( result );
|
|
}
|
|
|
|
|
|
/*
|
|
*
|
|
*/
|
|
static int
|
|
bktr_read( struct cdev *dev, struct uio *uio, int ioflag )
|
|
{
|
|
bktr_ptr_t bktr;
|
|
int unit;
|
|
|
|
unit = UNIT(dev2unit(dev));
|
|
|
|
/* Get the device data */
|
|
bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit);
|
|
if (bktr == NULL) {
|
|
/* the device is no longer valid/functioning */
|
|
return (ENXIO);
|
|
}
|
|
|
|
switch ( FUNCTION( dev2unit(dev) ) ) {
|
|
case VIDEO_DEV:
|
|
return( video_read( bktr, unit, dev, uio ) );
|
|
case VBI_DEV:
|
|
return( vbi_read( bktr, uio, ioflag ) );
|
|
}
|
|
return( ENXIO );
|
|
}
|
|
|
|
|
|
/*
|
|
*
|
|
*/
|
|
static int
|
|
bktr_write( struct cdev *dev, struct uio *uio, int ioflag )
|
|
{
|
|
return( EINVAL ); /* XXX or ENXIO ? */
|
|
}
|
|
|
|
|
|
/*
|
|
*
|
|
*/
|
|
static int
|
|
bktr_ioctl( struct cdev *dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct thread *td )
|
|
{
|
|
bktr_ptr_t bktr;
|
|
int unit;
|
|
|
|
unit = UNIT(dev2unit(dev));
|
|
|
|
/* Get the device data */
|
|
bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit);
|
|
if (bktr == NULL) {
|
|
/* the device is no longer valid/functioning */
|
|
return (ENXIO);
|
|
}
|
|
|
|
#ifdef BKTR_GPIO_ACCESS
|
|
if (bktr->bigbuf == 0 && cmd != BT848_GPIO_GET_EN &&
|
|
cmd != BT848_GPIO_SET_EN && cmd != BT848_GPIO_GET_DATA &&
|
|
cmd != BT848_GPIO_SET_DATA) /* no frame buffer allocated (ioctl failed) */
|
|
return( ENOMEM );
|
|
#else
|
|
if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */
|
|
return( ENOMEM );
|
|
#endif
|
|
|
|
switch ( FUNCTION( dev2unit(dev) ) ) {
|
|
case VIDEO_DEV:
|
|
return( video_ioctl( bktr, unit, cmd, arg, td ) );
|
|
case TUNER_DEV:
|
|
return( tuner_ioctl( bktr, unit, cmd, arg, td ) );
|
|
}
|
|
|
|
return( ENXIO );
|
|
}
|
|
|
|
|
|
/*
|
|
*
|
|
*/
|
|
static int
|
|
bktr_mmap( struct cdev *dev, vm_ooffset_t offset, vm_paddr_t *paddr,
|
|
int nprot, vm_memattr_t *memattr )
|
|
{
|
|
int unit;
|
|
bktr_ptr_t bktr;
|
|
|
|
unit = UNIT(dev2unit(dev));
|
|
|
|
if (FUNCTION(dev2unit(dev)) > 0) /* only allow mmap on /dev/bktr[n] */
|
|
return( -1 );
|
|
|
|
/* Get the device data */
|
|
bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit);
|
|
if (bktr == NULL) {
|
|
/* the device is no longer valid/functioning */
|
|
return (ENXIO);
|
|
}
|
|
|
|
if (nprot & PROT_EXEC)
|
|
return( -1 );
|
|
|
|
if (offset < 0)
|
|
return( -1 );
|
|
|
|
if (offset >= bktr->alloc_pages * PAGE_SIZE)
|
|
return( -1 );
|
|
|
|
*paddr = vtophys(bktr->bigbuf) + offset;
|
|
return( 0 );
|
|
}
|
|
|
|
static int
|
|
bktr_poll( struct cdev *dev, int events, struct thread *td)
|
|
{
|
|
int unit;
|
|
bktr_ptr_t bktr;
|
|
int revents = 0;
|
|
DECLARE_INTR_MASK(s);
|
|
|
|
unit = UNIT(dev2unit(dev));
|
|
|
|
/* Get the device data */
|
|
bktr = (struct bktr_softc*)devclass_get_softc(bktr_devclass, unit);
|
|
if (bktr == NULL) {
|
|
/* the device is no longer valid/functioning */
|
|
return (ENXIO);
|
|
}
|
|
|
|
LOCK_VBI(bktr);
|
|
DISABLE_INTR(s);
|
|
|
|
if (events & (POLLIN | POLLRDNORM)) {
|
|
|
|
switch ( FUNCTION( dev2unit(dev) ) ) {
|
|
case VBI_DEV:
|
|
if(bktr->vbisize == 0)
|
|
selrecord(td, &bktr->vbi_select);
|
|
else
|
|
revents |= events & (POLLIN | POLLRDNORM);
|
|
break;
|
|
}
|
|
}
|
|
|
|
ENABLE_INTR(s);
|
|
UNLOCK_VBI(bktr);
|
|
|
|
return (revents);
|
|
}
|
|
|
|
/*****************/
|
|
/* *** BSDI *** */
|
|
/*****************/
|
|
|
|
#if defined(__bsdi__)
|
|
#endif /* __bsdi__ BSDI specific kernel interface routines */
|
|
|
|
|
|
/*****************************/
|
|
/* *** OpenBSD / NetBSD *** */
|
|
/*****************************/
|
|
#if defined(__NetBSD__) || defined(__OpenBSD__)
|
|
|
|
#define IPL_VIDEO IPL_BIO /* XXX */
|
|
|
|
static int bktr_intr(void *arg) { return common_bktr_intr(arg); }
|
|
|
|
#define bktr_open bktropen
|
|
#define bktr_close bktrclose
|
|
#define bktr_read bktrread
|
|
#define bktr_write bktrwrite
|
|
#define bktr_ioctl bktrioctl
|
|
#define bktr_mmap bktrmmap
|
|
|
|
vm_offset_t vm_page_alloc_contig(vm_offset_t, vm_offset_t,
|
|
vm_offset_t, vm_offset_t);
|
|
|
|
#if defined(__OpenBSD__)
|
|
static int bktr_probe(struct device *, void *, void *);
|
|
#else
|
|
static int bktr_probe(struct device *, struct cfdata *, void *);
|
|
#endif
|
|
static void bktr_attach(struct device *, struct device *, void *);
|
|
|
|
struct cfattach bktr_ca = {
|
|
sizeof(struct bktr_softc), bktr_probe, bktr_attach
|
|
};
|
|
|
|
#if defined(__NetBSD__)
|
|
extern struct cfdriver bktr_cd;
|
|
#else
|
|
struct cfdriver bktr_cd = {
|
|
NULL, "bktr", DV_DULL
|
|
};
|
|
#endif
|
|
|
|
int
|
|
bktr_probe(parent, match, aux)
|
|
struct device *parent;
|
|
#if defined(__OpenBSD__)
|
|
void *match;
|
|
#else
|
|
struct cfdata *match;
|
|
#endif
|
|
void *aux;
|
|
{
|
|
struct pci_attach_args *pa = aux;
|
|
|
|
if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_BROOKTREE &&
|
|
(PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT848 ||
|
|
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT849 ||
|
|
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT878 ||
|
|
PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_BROOKTREE_BT879))
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/*
|
|
* the attach routine.
|
|
*/
|
|
static void
|
|
bktr_attach(struct device *parent, struct device *self, void *aux)
|
|
{
|
|
bktr_ptr_t bktr;
|
|
u_long latency;
|
|
u_long fun;
|
|
unsigned int rev;
|
|
|
|
#if defined(__OpenBSD__)
|
|
struct pci_attach_args *pa = aux;
|
|
pci_chipset_tag_t pc = pa->pa_pc;
|
|
|
|
pci_intr_handle_t ih;
|
|
const char *intrstr;
|
|
int retval;
|
|
int unit;
|
|
|
|
bktr = (bktr_ptr_t)self;
|
|
unit = bktr->bktr_dev.dv_unit;
|
|
|
|
bktr->pc = pa->pa_pc;
|
|
bktr->tag = pa->pa_tag;
|
|
bktr->dmat = pa->pa_dmat;
|
|
|
|
/*
|
|
* map memory
|
|
*/
|
|
bktr->memt = pa->pa_memt;
|
|
retval = pci_mem_find(pc, pa->pa_tag, PCI_MAPREG_START,
|
|
&bktr->phys_base, &bktr->obmemsz, NULL);
|
|
if (!retval)
|
|
retval = bus_space_map(pa->pa_memt, bktr->phys_base,
|
|
bktr->obmemsz, 0, &bktr->memh);
|
|
if (retval) {
|
|
printf(": couldn't map memory\n");
|
|
return;
|
|
}
|
|
|
|
|
|
/*
|
|
* map interrupt
|
|
*/
|
|
if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin,
|
|
pa->pa_intrline, &ih)) {
|
|
printf(": couldn't map interrupt\n");
|
|
return;
|
|
}
|
|
intrstr = pci_intr_string(pa->pa_pc, ih);
|
|
|
|
bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO,
|
|
bktr_intr, bktr, bktr->bktr_dev.dv_xname);
|
|
if (bktr->ih == NULL) {
|
|
printf(": couldn't establish interrupt");
|
|
if (intrstr != NULL)
|
|
printf(" at %s", intrstr);
|
|
printf("\n");
|
|
return;
|
|
}
|
|
|
|
if (intrstr != NULL)
|
|
printf(": %s\n", intrstr);
|
|
#endif /* __OpenBSD__ */
|
|
|
|
#if defined(__NetBSD__)
|
|
struct pci_attach_args *pa = aux;
|
|
pci_intr_handle_t ih;
|
|
const char *intrstr;
|
|
int retval;
|
|
int unit;
|
|
|
|
bktr = (bktr_ptr_t)self;
|
|
unit = bktr->bktr_dev.dv_unit;
|
|
bktr->dmat = pa->pa_dmat;
|
|
|
|
printf("\n");
|
|
|
|
/*
|
|
* map memory
|
|
*/
|
|
retval = pci_mapreg_map(pa, PCI_MAPREG_START,
|
|
PCI_MAPREG_TYPE_MEM
|
|
| PCI_MAPREG_MEM_TYPE_32BIT, 0,
|
|
&bktr->memt, &bktr->memh, NULL,
|
|
&bktr->obmemsz);
|
|
DPR(("pci_mapreg_map: memt %x, memh %x, size %x\n",
|
|
bktr->memt, (u_int)bktr->memh, (u_int)bktr->obmemsz));
|
|
if (retval) {
|
|
printf("%s: couldn't map memory\n", bktr_name(bktr));
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* Disable the brooktree device
|
|
*/
|
|
OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED);
|
|
OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED);
|
|
|
|
/*
|
|
* map interrupt
|
|
*/
|
|
if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin,
|
|
pa->pa_intrline, &ih)) {
|
|
printf("%s: couldn't map interrupt\n",
|
|
bktr_name(bktr));
|
|
return;
|
|
}
|
|
intrstr = pci_intr_string(pa->pa_pc, ih);
|
|
bktr->ih = pci_intr_establish(pa->pa_pc, ih, IPL_VIDEO,
|
|
bktr_intr, bktr);
|
|
if (bktr->ih == NULL) {
|
|
printf("%s: couldn't establish interrupt",
|
|
bktr_name(bktr));
|
|
if (intrstr != NULL)
|
|
printf(" at %s", intrstr);
|
|
printf("\n");
|
|
return;
|
|
}
|
|
if (intrstr != NULL)
|
|
printf("%s: interrupting at %s\n", bktr_name(bktr),
|
|
intrstr);
|
|
#endif /* __NetBSD__ */
|
|
|
|
/*
|
|
* PCI latency timer. 32 is a good value for 4 bus mastering slots, if
|
|
* you have more than four, then 16 would probably be a better value.
|
|
*/
|
|
#ifndef BROOKTREE_DEF_LATENCY_VALUE
|
|
#define BROOKTREE_DEF_LATENCY_VALUE 10
|
|
#endif
|
|
latency = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_LATENCY_TIMER);
|
|
latency = (latency >> 8) & 0xff;
|
|
|
|
if (!latency) {
|
|
if (bootverbose) {
|
|
printf("%s: PCI bus latency was 0 changing to %d",
|
|
bktr_name(bktr), BROOKTREE_DEF_LATENCY_VALUE);
|
|
}
|
|
latency = BROOKTREE_DEF_LATENCY_VALUE;
|
|
pci_conf_write(pa->pa_pc, pa->pa_tag,
|
|
PCI_LATENCY_TIMER, latency<<8);
|
|
}
|
|
|
|
|
|
/* Enabled Bus Master
|
|
XXX: check if all old DMA is stopped first (e.g. after warm
|
|
boot) */
|
|
fun = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
|
|
pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
|
|
fun | PCI_COMMAND_MASTER_ENABLE);
|
|
|
|
/* read the pci id and determine the card type */
|
|
fun = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_ID_REG);
|
|
rev = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_CLASS_REG) & 0x000000ff;
|
|
|
|
common_bktr_attach(bktr, unit, fun, rev);
|
|
}
|
|
|
|
|
|
/*
|
|
* Special Memory Allocation
|
|
*/
|
|
vm_offset_t
|
|
get_bktr_mem(bktr, dmapp, size)
|
|
bktr_ptr_t bktr;
|
|
bus_dmamap_t *dmapp;
|
|
unsigned int size;
|
|
{
|
|
bus_dma_tag_t dmat = bktr->dmat;
|
|
bus_dma_segment_t seg;
|
|
bus_size_t align;
|
|
int rseg;
|
|
caddr_t kva;
|
|
|
|
/*
|
|
* Allocate a DMA area
|
|
*/
|
|
align = 1 << 24;
|
|
if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1,
|
|
&rseg, BUS_DMA_NOWAIT)) {
|
|
align = PAGE_SIZE;
|
|
if (bus_dmamem_alloc(dmat, size, align, 0, &seg, 1,
|
|
&rseg, BUS_DMA_NOWAIT)) {
|
|
printf("%s: Unable to dmamem_alloc of %d bytes\n",
|
|
bktr_name(bktr), size);
|
|
return 0;
|
|
}
|
|
}
|
|
if (bus_dmamem_map(dmat, &seg, rseg, size,
|
|
&kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
|
|
printf("%s: Unable to dmamem_map of %d bytes\n",
|
|
bktr_name(bktr), size);
|
|
bus_dmamem_free(dmat, &seg, rseg);
|
|
return 0;
|
|
}
|
|
#ifdef __OpenBSD__
|
|
bktr->dm_mapsize = size;
|
|
#endif
|
|
/*
|
|
* Create and locd the DMA map for the DMA area
|
|
*/
|
|
if (bus_dmamap_create(dmat, size, 1, size, 0, BUS_DMA_NOWAIT, dmapp)) {
|
|
printf("%s: Unable to dmamap_create of %d bytes\n",
|
|
bktr_name(bktr), size);
|
|
bus_dmamem_unmap(dmat, kva, size);
|
|
bus_dmamem_free(dmat, &seg, rseg);
|
|
return 0;
|
|
}
|
|
if (bus_dmamap_load(dmat, *dmapp, kva, size, NULL, BUS_DMA_NOWAIT)) {
|
|
printf("%s: Unable to dmamap_load of %d bytes\n",
|
|
bktr_name(bktr), size);
|
|
bus_dmamem_unmap(dmat, kva, size);
|
|
bus_dmamem_free(dmat, &seg, rseg);
|
|
bus_dmamap_destroy(dmat, *dmapp);
|
|
return 0;
|
|
}
|
|
return (vm_offset_t)kva;
|
|
}
|
|
|
|
void
|
|
free_bktr_mem(bktr, dmap, kva)
|
|
bktr_ptr_t bktr;
|
|
bus_dmamap_t dmap;
|
|
vm_offset_t kva;
|
|
{
|
|
bus_dma_tag_t dmat = bktr->dmat;
|
|
|
|
#ifdef __NetBSD__
|
|
bus_dmamem_unmap(dmat, (caddr_t)kva, dmap->dm_mapsize);
|
|
#else
|
|
bus_dmamem_unmap(dmat, (caddr_t)kva, bktr->dm_mapsize);
|
|
#endif
|
|
bus_dmamem_free(dmat, dmap->dm_segs, 1);
|
|
bus_dmamap_destroy(dmat, dmap);
|
|
}
|
|
|
|
|
|
/*---------------------------------------------------------
|
|
**
|
|
** BrookTree 848 character device driver routines
|
|
**
|
|
**---------------------------------------------------------
|
|
*/
|
|
|
|
|
|
#define VIDEO_DEV 0x00
|
|
#define TUNER_DEV 0x01
|
|
#define VBI_DEV 0x02
|
|
|
|
#define UNIT(x) (dev2unit((x) & 0x0f))
|
|
#define FUNCTION(x) (dev2unit((x >> 4) & 0x0f))
|
|
|
|
/*
|
|
*
|
|
*/
|
|
int
|
|
bktr_open(dev_t dev, int flags, int fmt, struct thread *td)
|
|
{
|
|
bktr_ptr_t bktr;
|
|
int unit;
|
|
|
|
unit = UNIT(dev);
|
|
|
|
/* unit out of range */
|
|
if ((unit > bktr_cd.cd_ndevs) || (bktr_cd.cd_devs[unit] == NULL))
|
|
return(ENXIO);
|
|
|
|
bktr = bktr_cd.cd_devs[unit];
|
|
|
|
if (!(bktr->flags & METEOR_INITALIZED)) /* device not found */
|
|
return(ENXIO);
|
|
|
|
switch (FUNCTION(dev)) {
|
|
case VIDEO_DEV:
|
|
return(video_open(bktr));
|
|
case TUNER_DEV:
|
|
return(tuner_open(bktr));
|
|
case VBI_DEV:
|
|
return(vbi_open(bktr));
|
|
}
|
|
|
|
return(ENXIO);
|
|
}
|
|
|
|
|
|
/*
|
|
*
|
|
*/
|
|
int
|
|
bktr_close(dev_t dev, int flags, int fmt, struct thread *td)
|
|
{
|
|
bktr_ptr_t bktr;
|
|
int unit;
|
|
|
|
unit = UNIT(dev);
|
|
|
|
bktr = bktr_cd.cd_devs[unit];
|
|
|
|
switch (FUNCTION(dev)) {
|
|
case VIDEO_DEV:
|
|
return(video_close(bktr));
|
|
case TUNER_DEV:
|
|
return(tuner_close(bktr));
|
|
case VBI_DEV:
|
|
return(vbi_close(bktr));
|
|
}
|
|
|
|
return(ENXIO);
|
|
}
|
|
|
|
/*
|
|
*
|
|
*/
|
|
int
|
|
bktr_read(dev_t dev, struct uio *uio, int ioflag)
|
|
{
|
|
bktr_ptr_t bktr;
|
|
int unit;
|
|
|
|
unit = UNIT(dev);
|
|
|
|
bktr = bktr_cd.cd_devs[unit];
|
|
|
|
switch (FUNCTION(dev)) {
|
|
case VIDEO_DEV:
|
|
return(video_read(bktr, unit, dev, uio));
|
|
case VBI_DEV:
|
|
return(vbi_read(bktr, uio, ioflag));
|
|
}
|
|
|
|
return(ENXIO);
|
|
}
|
|
|
|
|
|
/*
|
|
*
|
|
*/
|
|
int
|
|
bktr_write(dev_t dev, struct uio *uio, int ioflag)
|
|
{
|
|
/* operation not supported */
|
|
return(EOPNOTSUPP);
|
|
}
|
|
|
|
/*
|
|
*
|
|
*/
|
|
int
|
|
bktr_ioctl(dev_t dev, ioctl_cmd_t cmd, caddr_t arg, int flag, struct thread *td)
|
|
{
|
|
bktr_ptr_t bktr;
|
|
int unit;
|
|
|
|
unit = UNIT(dev);
|
|
|
|
bktr = bktr_cd.cd_devs[unit];
|
|
|
|
if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */
|
|
return(ENOMEM);
|
|
|
|
switch (FUNCTION(dev)) {
|
|
case VIDEO_DEV:
|
|
return(video_ioctl(bktr, unit, cmd, arg, pr));
|
|
case TUNER_DEV:
|
|
return(tuner_ioctl(bktr, unit, cmd, arg, pr));
|
|
}
|
|
|
|
return(ENXIO);
|
|
}
|
|
|
|
/*
|
|
*
|
|
*/
|
|
paddr_t
|
|
bktr_mmap(dev_t dev, off_t offset, int nprot)
|
|
{
|
|
int unit;
|
|
bktr_ptr_t bktr;
|
|
|
|
unit = UNIT(dev);
|
|
|
|
if (FUNCTION(dev) > 0) /* only allow mmap on /dev/bktr[n] */
|
|
return(-1);
|
|
|
|
bktr = bktr_cd.cd_devs[unit];
|
|
|
|
if ((vaddr_t)offset < 0)
|
|
return(-1);
|
|
|
|
if ((vaddr_t)offset >= bktr->alloc_pages * PAGE_SIZE)
|
|
return(-1);
|
|
|
|
#ifdef __NetBSD__
|
|
return (bus_dmamem_mmap(bktr->dmat, bktr->dm_mem->dm_segs, 1,
|
|
(vaddr_t)offset, nprot, BUS_DMA_WAITOK));
|
|
#else
|
|
return(i386_btop(vtophys(bktr->bigbuf) + offset));
|
|
#endif
|
|
}
|
|
|
|
#endif /* __NetBSD__ || __OpenBSD__ */
|