169 lines
5.6 KiB
C
169 lines
5.6 KiB
C
/* $NetBSD: ad1848var.h,v 1.2 1998/08/27 18:45:12 pk 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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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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bus_space_tag_t sc_iot; /* tag */
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bus_space_handle_t sc_ioh; /* handle */
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int (*sc_readreg)__P((struct ad1848_softc *, int));
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void (*sc_writereg)__P((struct ad1848_softc *, int, int));
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#define ADREAD(sc, index) (*(sc)->sc_readreg)(sc, index)
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#define ADWRITE(sc, index, data) (*(sc)->sc_writereg)(sc, index, data)
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void *parent;
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u_short sc_locked; /* true when doing HS DMA */
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int sc_mode; /* half-duplex record/play */
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/* We keep track of these */
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struct ad1848_volume gains[6];
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struct ad1848_volume rec_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 mute[6];
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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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};
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#define MUTE_LEFT 1
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#define MUTE_RIGHT 2
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#define MUTE_ALL (MUTE_LEFT | MUTE_RIGHT)
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#define MUTE_MONO MUTE_ALL
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/*
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* Don't change this ordering without seriously looking around.
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* These are indexes into mute[] array and into a register
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* information array.
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*/
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#define AD1848_AUX2_CHANNEL 0
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#define AD1848_AUX1_CHANNEL 1
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#define AD1848_DAC_CHANNEL 2
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#define AD1848_LINE_CHANNEL 3
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#define AD1848_MONO_CHANNEL 4
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#define AD1848_MONITOR_CHANNEL 5 /* Doesn't seem to be on all later chips */
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/*
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* Ad1848 registers.
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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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#define AD1848_KIND_LVL 0
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#define AD1848_KIND_MUTE 1
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#define AD1848_KIND_RECORDGAIN 2
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#define AD1848_KIND_MICGAIN 3
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#define AD1848_KIND_RECORDSOURCE 4
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typedef struct ad1848_devmap {
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int id;
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int kind;
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int dev;
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} ad1848_devmap_t;
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int ad_read __P((struct ad1848_softc *, int));
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void ad_write __P((struct ad1848_softc *, int, int));
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void ad1848_attach __P((struct ad1848_softc *));
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void ad1848_reset __P((struct ad1848_softc *));
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int ad1848_open __P((void *, int));
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void ad1848_close __P((void *));
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int ad1848_mixer_get_port __P((struct ad1848_softc *, ad1848_devmap_t *,
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int, mixer_ctrl_t *));
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int ad1848_mixer_set_port __P((struct ad1848_softc *, ad1848_devmap_t *,
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int, mixer_ctrl_t *));
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int ad1848_set_speed __P((struct ad1848_softc *, u_long *));
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void ad1848_mute_monitor __P((void *, int));
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int ad1848_query_encoding __P((void *, struct audio_encoding *));
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int ad1848_set_params __P((void *, int, int, struct audio_params *,
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struct audio_params *));
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int ad1848_round_blocksize __P((void *, int));
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int ad1848_commit_settings __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_channel_gain __P((struct ad1848_softc *, int,
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struct ad1848_volume *));
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int ad1848_get_device_gain __P((struct ad1848_softc *, int,
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struct ad1848_volume *));
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int ad1848_set_rec_gain __P((struct ad1848_softc *,
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struct ad1848_volume *));
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int ad1848_get_rec_gain __P((struct ad1848_softc *,
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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 *,
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struct ad1848_volume *));
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int ad1848_get_mic_gain __P((struct ad1848_softc *,
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struct ad1848_volume *));
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void ad1848_mute_channel __P((struct ad1848_softc *, int device, int mute));
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int ad1848_to_vol __P((mixer_ctrl_t *, struct ad1848_volume *));
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int ad1848_from_vol __P((mixer_ctrl_t *, struct ad1848_volume *));
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int ad1848_halt_in __P((void *));
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int ad1848_halt_out __P((void *));
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unsigned long
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ad1848_round __P((void *, unsigned long));
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int ad1848_mappage __P((void *, void *, int, int));
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#ifdef AUDIO_DEBUG
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void ad1848_dump_regs __P((struct ad1848_softc *));
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#endif
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#endif
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