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ad1848var.h revision 1.15
      1 /*	$NetBSD: ad1848var.h,v 1.15 2007/12/11 00:21:51 martin Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1999 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Ken Hornstein and John Kohl.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 /*
     39  * Copyright (c) 1994 John Brezak
     40  * Copyright (c) 1991-1993 Regents of the University of California.
     41  * All rights reserved.
     42  *
     43  * Redistribution and use in source and binary forms, with or without
     44  * modification, are permitted provided that the following conditions
     45  * are met:
     46  * 1. Redistributions of source code must retain the above copyright
     47  *    notice, this list of conditions and the following disclaimer.
     48  * 2. Redistributions in binary form must reproduce the above copyright
     49  *    notice, this list of conditions and the following disclaimer in the
     50  *    documentation and/or other materials provided with the distribution.
     51  * 3. All advertising materials mentioning features or use of this software
     52  *    must display the following acknowledgement:
     53  *	This product includes software developed by the Computer Systems
     54  *	Engineering Group at Lawrence Berkeley Laboratory.
     55  * 4. Neither the name of the University nor of the Laboratory may be used
     56  *    to endorse or promote products derived from this software without
     57  *    specific prior written permission.
     58  *
     59  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     60  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     61  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     62  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     63  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     64  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     65  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     66  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     67  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     68  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     69  * SUCH DAMAGE.
     70  *
     71  */
     72 
     73 
     74 #define MUTE_LEFT       1
     75 #define MUTE_RIGHT      2
     76 #define MUTE_ALL	(MUTE_LEFT | MUTE_RIGHT)
     77 #define MUTE_MONO       MUTE_ALL
     78 
     79 #define WAVE_MUTE0	1		/* force mute (overrides UNMUTE1) */
     80 #define WAVE_UNMUTE1	2		/* unmute (overrides MUTE2) */
     81 #define WAVE_MUTE2	4		/* weak mute */
     82 #define WAVE_MUTE2_INIT	0		/* init and MUTE2 */
     83 
     84 /*
     85  * Don't change this ordering without seriously looking around.
     86  * These are indexes into mute[] array and into a register
     87  * information array.
     88  */
     89 #define AD1848_AUX2_CHANNEL	0
     90 #define AD1848_AUX1_CHANNEL	1
     91 #define AD1848_DAC_CHANNEL	2
     92 #define AD1848_LINE_CHANNEL	3
     93 #define AD1848_MONO_CHANNEL	4
     94 #define AD1848_OUT_CHANNEL	5
     95 #define AD1848_MONITOR_CHANNEL	6 /* Doesn't seem to be on all later chips */
     96 
     97 #define	AD1848_NUM_CHANNELS	7
     98 
     99 struct ad1848_volume {
    100 	u_char	left;
    101 	u_char	right;
    102 };
    103 
    104 struct ad1848_softc {
    105 	struct	device sc_dev;		/* base device */
    106 	bus_space_tag_t sc_iot;		/* tag */
    107 	bus_space_handle_t sc_ioh;	/* handle */
    108 
    109 	int	(*sc_readreg)(struct ad1848_softc *, int);
    110 	void	(*sc_writereg)(struct ad1848_softc *, int, int);
    111 #define ADREAD(sc, index)		(*(sc)->sc_readreg)(sc, index)
    112 #define ADWRITE(sc, index, data)	(*(sc)->sc_writereg)(sc, index, data)
    113 
    114 	void	*parent;
    115 
    116 	/* We keep track of these */
    117 	struct ad1848_volume gains[AD1848_NUM_CHANNELS];
    118 	struct ad1848_volume rec_gain;
    119 
    120 	int	rec_port;		/* recording port */
    121 
    122 	/* ad1848 */
    123 	u_char	MCE_bit;
    124 	char	mic_gain_on;		/* CS4231 only */
    125 	char    mute[AD1848_NUM_CHANNELS];
    126 
    127 	const char	*chip_name;
    128 	int	mode;
    129 	int	is_ad1845;
    130 
    131 	u_int	precision;		/* 8/16 bits */
    132 	int	channels;
    133 
    134 	u_char	speed_bits;
    135 	u_char	format_bits;
    136 	u_char	need_commit;
    137 
    138 	u_char	wave_mute_status;
    139 	int	open_mode;
    140 };
    141 
    142 /*
    143  * Ad1848 registers.
    144  */
    145 #define MIC_IN_PORT	0
    146 #define LINE_IN_PORT	1
    147 #define AUX1_IN_PORT	2
    148 #define DAC_IN_PORT	3
    149 
    150 #define AD1848_KIND_LVL		0
    151 #define AD1848_KIND_MUTE	1
    152 #define AD1848_KIND_RECORDGAIN	2
    153 #define AD1848_KIND_MICGAIN	3
    154 #define AD1848_KIND_RECORDSOURCE 4
    155 
    156 typedef struct ad1848_devmap {
    157 	int  id;
    158 	int  kind;
    159 	int  dev;
    160 } ad1848_devmap_t;
    161 
    162 #ifdef _KERNEL
    163 
    164 int	ad_read(struct ad1848_softc *, int);
    165 int	ad_xread(struct ad1848_softc *, int);
    166 void	ad_write(struct ad1848_softc *, int, int);
    167 void	ad_xwrite(struct ad1848_softc *, int, int);
    168 
    169 void	ad1848_attach(struct ad1848_softc *);
    170 void	ad1848_reset(struct ad1848_softc *);
    171 int	ad1848_open(void *, int);
    172 void	ad1848_close(void *);
    173 
    174 int	ad1848_mixer_get_port(struct ad1848_softc *, const ad1848_devmap_t *,
    175 	    int, mixer_ctrl_t *);
    176 int	ad1848_mixer_set_port(struct ad1848_softc *, const ad1848_devmap_t *,
    177 	    int, mixer_ctrl_t *);
    178 int	ad1848_set_speed(struct ad1848_softc *, u_int *);
    179 void	ad1848_mute_wave_output(struct ad1848_softc *, int, int);
    180 int	ad1848_query_encoding(void *, struct audio_encoding *);
    181 int	ad1848_set_params(void *, int, int, audio_params_t *,
    182 	    audio_params_t *, stream_filter_list_t *,
    183 	    stream_filter_list_t *);
    184 int	ad1848_round_blocksize(void *, int, int, const audio_params_t *);
    185 int	ad1848_commit_settings(void *);
    186 int	ad1848_set_rec_port(struct ad1848_softc *, int);
    187 int	ad1848_get_rec_port(struct ad1848_softc *);
    188 int	ad1848_set_channel_gain(struct ad1848_softc *, int,
    189 	    struct ad1848_volume *);
    190 int	ad1848_get_device_gain(struct ad1848_softc *, int,
    191 	    struct ad1848_volume *);
    192 int	ad1848_set_rec_gain(struct ad1848_softc *, struct ad1848_volume *);
    193 int	ad1848_get_rec_gain(struct ad1848_softc *, struct ad1848_volume *);
    194 /* Note: The mic pre-MUX gain is not a variable gain, it's 20dB or 0dB */
    195 int	ad1848_set_mic_gain(struct ad1848_softc *, struct ad1848_volume *);
    196 int	ad1848_get_mic_gain(struct ad1848_softc *, struct ad1848_volume *);
    197 void	ad1848_mute_channel(struct ad1848_softc *, int, int);
    198 int	ad1848_to_vol(mixer_ctrl_t *, struct ad1848_volume *);
    199 int	ad1848_from_vol(mixer_ctrl_t *, struct ad1848_volume *);
    200 
    201 int	ad1848_halt_output(void *);
    202 int	ad1848_halt_input(void *);
    203 paddr_t	ad1848_mappage(void *, void *, off_t, int);
    204 
    205 #ifdef AUDIO_DEBUG
    206 void	ad1848_dump_regs(struct ad1848_softc *);
    207 #endif
    208 
    209 #endif
    210