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

     /*      $OpenBSD: ad1848var.h,v 1.17 2022/10/28 14:55:46 kn Exp $       */
     /*      $NetBSD: ad1848var.h,v 1.22 1998/01/19 22:18:26 augustss Exp $  */
     
     /*
      * 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 AD1848_NPORT    4
    #define AD1848_TIMO     1000000
    
    struct ad1848_volume {
            u_char  left;
            u_char  right;
    };
    
    struct ad1848_softc {
            struct  device sc_dev;          /* base device */
            struct  isadev sc_id;           /* ISA device */
            void    *sc_ih;                 /* interrupt vectoring */
            bus_space_tag_t sc_iot;         /* tag */
            bus_space_handle_t sc_ioh;      /* handle */
            int     sc_iooffs;              /* offset from handle */
    
            void    *parent;
            struct  device *sc_isa;         /* ISA bus's device */
    
            char    sc_playrun;             /* running in continuous mode */
            char    sc_recrun;              /* running in continuous mode */
    
            int     sc_irq;                 /* interrupt */
            int     sc_drq;                 /* DMA */
            int     sc_recdrq;              /* record/capture DMA */
            
            int     sc_flags;
    #define AD1848_FLAG_32REGS      0x01    /* newer chip (cs4231 compatible) */
    
            /* We keep track of these */
            struct ad1848_volume gains[6];
    
            struct ad1848_volume rec_gain;
    
            int     rec_port;               /* recording port */
    
            /* ad1848 */
            u_char  MCE_bit;
            char    mic_gain_on;            /* CS4231 only */
            char    mute[6];
    
            char    *chip_name;
            int     mode;
            
            u_int   precision;              /* 8/16 bits */
            int     channels;
            
            u_char  speed_bits;
            u_char  format_bits;
            u_char  need_commit;
    
            void    (*sc_pintr)(void *);    /* play dma completion intr handler */
            void    (*sc_rintr)(void *);    /* rec dma completion intr handler */
            void    *sc_parg;               /* play arg for sc_intr() */
            void    *sc_rarg;               /* rec arg for sc_intr() */
    
            int     sc_iobase;
    };
    
    #define MUTE_LEFT       1
    #define MUTE_RIGHT      2
   #define MUTE_ALL        (MUTE_LEFT | MUTE_RIGHT)
   #define MUTE_MONO       MUTE_ALL
   
   /* 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_MONITOR_CHANNEL     5    /* Doesn't seem to be on all later chips */
   
   /*
    * Ad1848 ports
    */
   #define MIC_IN_PORT     0
   #define LINE_IN_PORT    1
   #define AUX1_IN_PORT    2
   #define DAC_IN_PORT     3
   
   #ifdef _KERNEL
   
   #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;
   
   static __inline int ad1848_to_vol(mixer_ctrl_t *, struct ad1848_volume *);
   static __inline int ad1848_from_vol(mixer_ctrl_t *, struct ad1848_volume *);
   
   static __inline int
   ad1848_to_vol(mixer_ctrl_t *cp, struct ad1848_volume *vol)
   {
           if (cp->un.value.num_channels == 1) {
                   vol->left = vol->right = cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
                   return(1);
           }
           else if (cp->un.value.num_channels == 2) {
                   vol->left  = cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
                   vol->right = cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
                   return(1);
           }
           return(0);
   }
   
   static __inline int
   ad1848_from_vol(mixer_ctrl_t *cp, struct ad1848_volume *vol)
   {
           if (cp->un.value.num_channels == 1) {
                   cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = vol->left;
                   return(1);
           }
           else if (cp->un.value.num_channels == 2) {
                   cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = vol->left;
                   cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = vol->right;
                   return(1);
           }
           return(0);
   }
   
   
   int     ad1848_mixer_get_port(struct ad1848_softc *, ad1848_devmap_t *, int cnt, mixer_ctrl_t *);
   int     ad1848_mixer_set_port(struct ad1848_softc *, ad1848_devmap_t *, int, mixer_ctrl_t *);
   int     ad1848_mapprobe(struct ad1848_softc *, int);
   int     ad1848_probe(struct ad1848_softc *);
   void    ad1848_unmap(struct ad1848_softc *);
   void    ad1848_attach(struct ad1848_softc *);
   
   int     ad1848_open(void *, int);
   void    ad1848_close(void *);
       
   void    ad1848_forceintr(struct ad1848_softc *);
   
   int     ad1848_set_params(void *, int, int, struct audio_params *, struct audio_params *);
   
   int     ad1848_round_blocksize(void *, int);
   
   int     ad1848_trigger_input(void *, void *, void *, int, void (*)(void *),
           void *, struct audio_params *);
   int     ad1848_trigger_output(void *, void *, void *, int, void (*)(void *),
           void *, struct audio_params *);
   
   int     ad1848_commit_settings(void *);
   
   int     ad1848_halt_input(void *);
   int     ad1848_halt_output(void *);
   
   int     ad1848_intr(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 device, int mute);
   
   void   *ad1848_malloc(void *, int, size_t, int, int);
   void    ad1848_free(void *, void *, int);
   size_t  ad1848_round(void *, int, size_t);
   
   #endif

Cache object: 92a82512e1ee27824bdfa45f0ca67c0d