161 lines
5.9 KiB
C
161 lines
5.9 KiB
C
/* $NetBSD: ad1848var.h,v 1.17 1997/07/28 20:56:13 augustss Exp $ */
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/*
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* Copyright (c) 1994 John Brezak
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* Copyright (c) 1991-1993 Regents of the University of California.
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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 the Computer Systems
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* Engineering Group at Lawrence Berkeley Laboratory.
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* 4. Neither the name of the University nor of the Laboratory may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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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*/
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#define AD1848_NPORT 4
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struct ad1848_volume {
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u_char left;
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u_char right;
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};
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struct ad1848_softc {
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struct device sc_dev; /* base device */
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struct isadev sc_id; /* ISA device */
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void *sc_ih; /* interrupt vectoring */
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bus_space_tag_t sc_iot; /* tag */
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bus_space_handle_t sc_ioh; /* handle */
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void *parent;
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struct device *sc_isa; /* ISA bus's device */
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u_short sc_locked; /* true when doing HS DMA */
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u_int sc_lastcc; /* size of last DMA xfer */
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int sc_mode; /* half-duplex record/play */
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#ifndef NEWCONFIG
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int sc_dma_flags;
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void *sc_dma_bp;
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u_int sc_dma_cnt;
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#endif
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char sc_playrun; /* running in continuous mode */
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char sc_recrun; /* running in continuous mode */
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#define NOTRUNNING 0
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#define DMARUNNING 1
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#define PCMRUNNING 2
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int sc_iobase; /* I/O port base address */
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int sc_irq; /* interrupt */
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int sc_drq; /* DMA */
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int sc_recdrq; /* record/capture DMA */
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/* We keep track of these */
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struct ad1848_volume rec_gain, aux1_gain, aux2_gain, out_gain, mon_gain, line_gain, mono_gain;
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int rec_port; /* recording port */
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/* ad1848 */
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u_char MCE_bit;
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char mic_gain_on; /* CS4231 only */
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char mono_mute, aux1_mute, aux2_mute, line_mute, mon_mute;
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char *chip_name;
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int mode;
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u_int precision; /* 8/16 bits */
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int channels;
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u_char speed_bits;
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u_char format_bits;
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u_char need_commit;
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u_long sc_interrupts; /* number of interrupts taken */
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void (*sc_intr)(void *); /* dma completion intr handler */
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void *sc_arg; /* arg for sc_intr() */
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};
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/*
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* Ad1848 ports
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*/
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#define MIC_IN_PORT 0
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#define LINE_IN_PORT 1
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#define AUX1_IN_PORT 2
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#define DAC_IN_PORT 3
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#ifdef _KERNEL
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int ad1848_probe __P((struct ad1848_softc *));
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void ad1848_attach __P((struct ad1848_softc *));
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int ad1848_open __P((struct ad1848_softc *, dev_t, int));
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void ad1848_close __P((void *));
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void ad1848_forceintr __P((struct ad1848_softc *));
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int ad1848_query_encoding __P((void *, struct audio_encoding *));
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int ad1848_set_params __P((void *, int, struct audio_params *, struct audio_params *));
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int ad1848_round_blocksize __P((void *, int));
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int ad1848_dma_init_output __P((void *, void *, int));
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int ad1848_dma_init_input __P((void *, void *, int));
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int ad1848_dma_output __P((void *, void *, int, void (*)(void *), void*));
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int ad1848_dma_input __P((void *, void *, int, void (*)(void *), void*));
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int ad1848_commit_settings __P((void *));
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int ad1848_halt_in_dma __P((void *));
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int ad1848_halt_out_dma __P((void *));
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int ad1848_cont_in_dma __P((void *));
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int ad1848_cont_out_dma __P((void *));
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int ad1848_intr __P((void *));
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int ad1848_set_rec_port __P((struct ad1848_softc *, int));
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int ad1848_get_rec_port __P((struct ad1848_softc *));
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int ad1848_set_aux1_gain __P((struct ad1848_softc *, struct ad1848_volume *));
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int ad1848_get_aux1_gain __P((struct ad1848_softc *, struct ad1848_volume *));
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int ad1848_set_aux2_gain __P((struct ad1848_softc *, struct ad1848_volume *));
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int ad1848_get_aux2_gain __P((struct ad1848_softc *, struct ad1848_volume *));
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int ad1848_set_out_gain __P((struct ad1848_softc *, struct ad1848_volume *));
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int ad1848_get_out_gain __P((struct ad1848_softc *, struct ad1848_volume *));
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int ad1848_set_rec_gain __P((struct ad1848_softc *, struct ad1848_volume *));
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int ad1848_get_rec_gain __P((struct ad1848_softc *, struct ad1848_volume *));
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int ad1848_set_mon_gain __P((struct ad1848_softc *, struct ad1848_volume *));
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int ad1848_get_mon_gain __P((struct ad1848_softc *, struct ad1848_volume *));
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/* Note: The mic pre-MUX gain is not a variable gain, it's 20dB or 0dB */
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int ad1848_set_mic_gain __P((struct ad1848_softc *, struct ad1848_volume *));
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int ad1848_get_mic_gain __P((struct ad1848_softc *, struct ad1848_volume *));
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void ad1848_mute_aux1 __P((struct ad1848_softc *, int /* onoff */));
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void ad1848_mute_aux2 __P((struct ad1848_softc *, int /* onoff */));
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void *ad1848_malloc __P((void *, unsigned long, int, int));
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void ad1848_free __P((void *, void *, int));
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unsigned long ad1848_round __P((void *, unsigned long));
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int ad1848_mappage __P((void *, void *, int, int));
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#endif
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