664a31e496
is an application space macro and the applications are supposed to be free to use it as they please (but cannot). This is consistant with the other BSD's who made this change quite some time ago. More commits to come.
181 lines
5.4 KiB
C
181 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/sound/pcm/datatypes.h>
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#include <dev/sound/pcm/channel.h>
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#include <dev/sound/pcm/mixer.h>
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#include <dev/sound/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_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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/*
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#define DSP_BUFFSIZE (65536 - 256)
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*/
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#define DSP_BUFFSIZE (8192)
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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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/*
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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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void pcm_setswap(device_t dev, pcm_swap_t *swap);
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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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