FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/ad1848var.h

     /*      $NetBSD: ad1848var.h,v 1.16 2008/04/28 20:23:48 martin Exp $    */
     
     /*-
      * Copyright (c) 1999 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Ken Hornstein and John Kohl.
      *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     * POSSIBILITY OF SUCH DAMAGE.
     */
    /*
     * Copyright (c) 1994 John Brezak
     * Copyright (c) 1991-1993 Regents of the University of California.
     * All rights reserved.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by the Computer Systems
     *      Engineering Group at Lawrence Berkeley Laboratory.
     * 4. Neither the name of the University nor of the Laboratory may be used
     *    to endorse or promote products derived from this software without
     *    specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     */
    
    
    #define MUTE_LEFT       1
    #define MUTE_RIGHT      2
    #define MUTE_ALL        (MUTE_LEFT | MUTE_RIGHT)
    #define MUTE_MONO       MUTE_ALL
    
    #define WAVE_MUTE0      1               /* force mute (overrides UNMUTE1) */
    #define WAVE_UNMUTE1    2               /* unmute (overrides MUTE2) */
    #define WAVE_MUTE2      4               /* weak mute */
    #define WAVE_MUTE2_INIT 0               /* init and MUTE2 */
    
    /*
     * Don't change this ordering without seriously looking around.
     * These are indexes into mute[] array and into a register
     * information array.
     */
    #define AD1848_AUX2_CHANNEL     0
    #define AD1848_AUX1_CHANNEL     1
    #define AD1848_DAC_CHANNEL      2
    #define AD1848_LINE_CHANNEL     3
    #define AD1848_MONO_CHANNEL     4
    #define AD1848_OUT_CHANNEL      5
    #define AD1848_MONITOR_CHANNEL  6 /* Doesn't seem to be on all later chips */
    
    #define AD1848_NUM_CHANNELS     7
    
    struct ad1848_volume {
            u_char  left;
            u_char  right;
    };
    
    struct ad1848_softc {
            struct  device sc_dev;          /* base device */
            bus_space_tag_t sc_iot;         /* tag */
           bus_space_handle_t sc_ioh;      /* handle */
   
           int     (*sc_readreg)(struct ad1848_softc *, int);
           void    (*sc_writereg)(struct ad1848_softc *, int, int);
   #define ADREAD(sc, index)               (*(sc)->sc_readreg)(sc, index)
   #define ADWRITE(sc, index, data)        (*(sc)->sc_writereg)(sc, index, data)
   
           void    *parent;
   
           /* We keep track of these */
           struct ad1848_volume gains[AD1848_NUM_CHANNELS];
           struct ad1848_volume rec_gain;
   
           int     rec_port;               /* recording port */
   
           /* ad1848 */
           u_char  MCE_bit;
           char    mic_gain_on;            /* CS4231 only */
           char    mute[AD1848_NUM_CHANNELS];
   
           const char      *chip_name;
           int     mode;
           int     is_ad1845;
   
           u_int   precision;              /* 8/16 bits */
           int     channels;
   
           u_char  speed_bits;
           u_char  format_bits;
           u_char  need_commit;
   
           u_char  wave_mute_status;
           int     open_mode;
   };
   
   /*
    * Ad1848 registers.
    */
   #define MIC_IN_PORT     0
   #define LINE_IN_PORT    1
   #define AUX1_IN_PORT    2
   #define DAC_IN_PORT     3
   
   #define AD1848_KIND_LVL         0
   #define AD1848_KIND_MUTE        1
   #define AD1848_KIND_RECORDGAIN  2
   #define AD1848_KIND_MICGAIN     3
   #define AD1848_KIND_RECORDSOURCE 4
   
   typedef struct ad1848_devmap {
           int  id;
           int  kind;
           int  dev;
   } ad1848_devmap_t;
   
   #ifdef _KERNEL
   
   int     ad_read(struct ad1848_softc *, int);
   int     ad_xread(struct ad1848_softc *, int);
   void    ad_write(struct ad1848_softc *, int, int);
   void    ad_xwrite(struct ad1848_softc *, int, int);
   
   void    ad1848_attach(struct ad1848_softc *);
   void    ad1848_reset(struct ad1848_softc *);
   int     ad1848_open(void *, int);
   void    ad1848_close(void *);
   
   int     ad1848_mixer_get_port(struct ad1848_softc *, const ad1848_devmap_t *,
               int, mixer_ctrl_t *);
   int     ad1848_mixer_set_port(struct ad1848_softc *, const ad1848_devmap_t *,
               int, mixer_ctrl_t *);
   int     ad1848_set_speed(struct ad1848_softc *, u_int *);
   void    ad1848_mute_wave_output(struct ad1848_softc *, int, int);
   int     ad1848_query_encoding(void *, struct audio_encoding *);
   int     ad1848_set_params(void *, int, int, audio_params_t *,
               audio_params_t *, stream_filter_list_t *,
               stream_filter_list_t *);
   int     ad1848_round_blocksize(void *, int, int, const audio_params_t *);
   int     ad1848_commit_settings(void *);
   int     ad1848_set_rec_port(struct ad1848_softc *, int);
   int     ad1848_get_rec_port(struct ad1848_softc *);
   int     ad1848_set_channel_gain(struct ad1848_softc *, int,
               struct ad1848_volume *);
   int     ad1848_get_device_gain(struct ad1848_softc *, int,
               struct ad1848_volume *);
   int     ad1848_set_rec_gain(struct ad1848_softc *, struct ad1848_volume *);
   int     ad1848_get_rec_gain(struct ad1848_softc *, struct ad1848_volume *);
   /* Note: The mic pre-MUX gain is not a variable gain, it's 20dB or 0dB */
   int     ad1848_set_mic_gain(struct ad1848_softc *, struct ad1848_volume *);
   int     ad1848_get_mic_gain(struct ad1848_softc *, struct ad1848_volume *);
   void    ad1848_mute_channel(struct ad1848_softc *, int, int);
   int     ad1848_to_vol(mixer_ctrl_t *, struct ad1848_volume *);
   int     ad1848_from_vol(mixer_ctrl_t *, struct ad1848_volume *);
   
   int     ad1848_halt_output(void *);
   int     ad1848_halt_input(void *);
   paddr_t ad1848_mappage(void *, void *, off_t, int);
   
   #ifdef AUDIO_DEBUG
   void    ad1848_dump_regs(struct ad1848_softc *);
   #endif
   
   #endif

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