5b78a73443
will have to mknod yourself for now. * don't eat the first write() * partial rvplayer fix- don't panic on unaligned writes unless our feeder chain requires them for downconversion. a fuller fix is on the way.
183 lines
5.4 KiB
C
183 lines
5.4 KiB
C
/*
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* Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk>
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* Copyright by Hannu Savolainen 1995
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR 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, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifdef KERNEL
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#include "pcm.h"
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#else
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#error why?
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#define NPCM 1
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#endif
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#if NPCM > 0
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/*
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* first, include kernel header files.
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*/
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#ifndef _OS_H_
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#define _OS_H_
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#ifdef KERNEL
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/ioccom.h>
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#include <sys/filio.h>
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#include <sys/sockio.h>
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#include <sys/fcntl.h>
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#include <sys/tty.h>
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#include <sys/proc.h>
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#include <sys/kernel.h> /* for DATA_SET */
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#include <sys/module.h>
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#include <sys/conf.h>
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#include <sys/file.h>
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#include <sys/uio.h>
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#include <sys/syslog.h>
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#include <sys/errno.h>
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#include <sys/malloc.h>
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#include <sys/bus.h>
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#include <sys/buf.h>
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#include <machine/clock.h> /* for DELAY */
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#include <machine/resource.h>
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#include <machine/bus_memio.h>
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#include <machine/bus_pio.h>
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#include <machine/bus.h>
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#include <sys/rman.h>
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#include <sys/mman.h>
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#include <sys/poll.h>
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#include <sys/soundcard.h>
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#include <isa/isavar.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#else
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struct isa_device { int dummy; };
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#define d_open_t void
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#define d_close_t void
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#define d_read_t void
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#define d_write_t void
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#define d_ioctl_t void
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#define d_select_t void
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#endif /* KERNEL */
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#endif /* _OS_H_ */
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#include <dev/pcm/datatypes.h>
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#include <dev/pcm/channel.h>
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#include <dev/pcm/mixer.h>
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#include <dev/pcm/dsp.h>
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#define MAGIC(unit) (0xa4d10de0 + unit)
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#define SD_F_SIMPLEX 0x00000001
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#define SD_F_EVILSB16 0x00000002
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#define SD_F_PRIO_RD 0x10000000
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#define SD_F_PRIO_WR 0x20000000
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#define SD_F_PRIO_SET (SD_F_PRIO_RD | SD_F_PRIO_WR)
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#define SD_F_DIR_SET 0x40000000
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#define SD_F_TRANSIENT 0xf0000000
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/* many variables should be reduced to a range. Here define a macro */
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#define RANGE(var, low, high) (var) = \
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(((var)<(low))? (low) : ((var)>(high))? (high) : (var))
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#define DSP_BUFFSIZE (65536 - 256) /* XXX */
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/* the last 256 bytes are room for buggy soundcard to overflow. */
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/* make figuring out what a format is easier. got AFMT_STEREO already */
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#define AFMT_16BIT (AFMT_S16_LE | AFMT_S16_BE | AFMT_U16_LE | AFMT_U16_BE)
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#define AFMT_SIGNED (AFMT_S16_LE | AFMT_S16_BE | AFMT_S8)
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#define AFMT_BIGENDIAN (AFMT_S16_BE | AFMT_U16_BE)
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int fkchan_setup(pcm_channel *c);
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#ifdef KERNEL
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#include "pnp.h"
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#endif /* KERNEL */
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/*
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* Minor numbers for the sound driver.
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*
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* Unfortunately Creative called the codec chip of SB as a DSP. For this
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* reason the /dev/dsp is reserved for digitized audio use. There is a
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* device for true DSP processors but it will be called something else.
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* In v3.0 it's /dev/sndproc but this could be a temporary solution.
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*/
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#define SND_DEV_CTL 0 /* Control port /dev/mixer */
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#define SND_DEV_SEQ 1 /* Sequencer /dev/sequencer */
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#define SND_DEV_MIDIN 2 /* Raw midi access */
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#define SND_DEV_DSP 3 /* Digitized voice /dev/dsp */
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#define SND_DEV_AUDIO 4 /* Sparc compatible /dev/audio */
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#define SND_DEV_DSP16 5 /* Like /dev/dsp but 16 bits/sample */
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#define SND_DEV_STATUS 6 /* /dev/sndstat */
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/* #7 not in use now. */
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#define SND_DEV_SEQ2 8 /* /dev/sequencer, level 2 interface */
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#define SND_DEV_SNDPROC 9 /* /dev/sndproc for programmable devices */
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#define SND_DEV_PSS SND_DEV_SNDPROC /* ? */
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#define SND_DEV_NORESET 10
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#define DSP_DEFAULT_SPEED 8000
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#define ON 1
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#define OFF 0
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#ifdef KERNEL
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/*
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* some macros for debugging purposes
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* DDB/DEB to enable/disable debugging stuff
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* BVDDB to enable debugging when bootverbose
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*/
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#define DDB(x) x /* XXX */
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#define BVDDB(x) if (bootverbose) x
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#ifndef DEB
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#define DEB(x)
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#endif
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int pcm_addchan(device_t dev, int dir, pcm_channel *templ, void *devinfo);
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int pcm_register(device_t dev, void *devinfo, int numplay, int numrec);
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int pcm_setstatus(device_t dev, char *str);
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u_int32_t pcm_getflags(device_t dev);
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void pcm_setflags(device_t dev, u_int32_t val);
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#endif /* KERNEL */
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/* usage of flags in device config entry (config file) */
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#define DV_F_DRQ_MASK 0x00000007 /* mask for secondary drq */
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#define DV_F_DUAL_DMA 0x00000010 /* set to use secondary dma channel */
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/* ought to be made obsolete */
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#define DV_F_DEV_MASK 0x0000ff00 /* force device type/class */
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#define DV_F_DEV_SHIFT 8 /* force device type/class */
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#endif
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