sys/dev/isa/essvar.h

   1 /*      $NetBSD: essvar.h,v 1.18.24.5 2005/03/04 16:43:13 skrll Exp $   */
   2 /*
   3  * Copyright 1997
   4  * Digital Equipment Corporation. All rights reserved.
   5  *
   6  * This software is furnished under license and may be used and
   7  * copied only in accordance with the following terms and conditions.
   8  * Subject to these conditions, you may download, copy, install,
   9  * use, modify and distribute this software in source and/or binary
  10  * form. No title or ownership is transferred hereby.
  11  *
  12  * 1) Any source code used, modified or distributed must reproduce
  13  *    and retain this copyright notice and list of conditions as
  14  *    they appear in the source file.
  15  *
  16  * 2) No right is granted to use any trade name, trademark, or logo of
  17  *    Digital Equipment Corporation. Neither the "Digital Equipment
  18  *    Corporation" name nor any trademark or logo of Digital Equipment
  19  *    Corporation may be used to endorse or promote products derived
  20  *    from this software without the prior written permission of
  21  *    Digital Equipment Corporation.
  22  *
  23  * 3) This software is provided "AS-IS" and any express or implied
  24  *    warranties, including but not limited to, any implied warranties
  25  *    of merchantability, fitness for a particular purpose, or
  26  *    non-infringement are disclaimed. In no event shall DIGITAL be
  27  *    liable for any damages whatsoever, and in particular, DIGITAL
  28  *    shall not be liable for special, indirect, consequential, or
  29  *    incidental damages or damages for lost profits, loss of
  30  *    revenue or loss of use, whether such damages arise in contract,
  31  *    negligence, tort, under statute, in equity, at law or otherwise,
  32  *    even if advised of the possibility of such damage.
  33  */
  34
  35 /*
  36 ** @(#) $RCSfile: essvar.h,v $ $Revision: 1.24 $ (SHARK) $Date: 2005/12/11 12:22:02 $
  37 **
  38 **++
  39 **
  40 **  essvar.h
  41 **
  42 **  FACILITY:
  43 **
  44 **      DIGITAL Network Appliance Reference Design (DNARD)
  45 **
  46 **  MODULE DESCRIPTION:
  47 **
  48 **      This module contains the structure definitions and function
  49 **      prototypes for the ESS Technologies 1887/888 sound chip
  50 **      driver.
  51 **
  52 **  AUTHORS:
  53 **
  54 **      Blair Fidler    Software Engineering Australia
  55 **                      Gold Coast, Australia.
  56 **
  57 **  CREATION DATE:
  58 **
  59 **      May 12, 1997.
  60 **
  61 **  MODIFICATION HISTORY:
  62 **
  63 **--
  64 */
  65
  66 #include <sys/callout.h>
  67
  68 #define ESS_DAC_PLAY_VOL        0
  69 #define ESS_MIC_PLAY_VOL        1
  70 #define ESS_LINE_PLAY_VOL       2
  71 #define ESS_SYNTH_PLAY_VOL      3
  72 #define ESS_CD_PLAY_VOL         4
  73 #define ESS_AUXB_PLAY_VOL       5
  74 #define ESS_INPUT_CLASS         6
  75
  76 #define ESS_MASTER_VOL          7
  77 #define ESS_PCSPEAKER_VOL       8
  78 #define ESS_OUTPUT_CLASS        9
  79
  80 #define ESS_RECORD_MONITOR      10
  81 #define ESS_MONITOR_CLASS       11
  82
  83 #define ESS_RECORD_VOL          12
  84 #define ESS_RECORD_SOURCE       13
  85 #define ESS_RECORD_CLASS        14
  86
  87 #define ESS_1788_NDEVS          15
  88
  89 #define ESS_DAC_REC_VOL         15
  90 #define ESS_MIC_REC_VOL         16
  91 #define ESS_LINE_REC_VOL        17
  92 #define ESS_SYNTH_REC_VOL       18
  93 #define ESS_CD_REC_VOL          19
  94 #define ESS_AUXB_REC_VOL        20
  95 #define ESS_MIC_PREAMP          21
  96
  97 #define ESS_1888_NDEVS          22
  98 #define ESS_MAX_NDEVS           22
  99
 100 struct ess_audio_channel
 101 {
 102         int     drq;                    /* DMA channel */
 103         bus_size_t maxsize;             /* max size for DMA channel */
 104 #define IS16BITDRQ(drq) ((drq) >= 4)
 105         int     irq;                    /* IRQ line for this DMA channel */
 106         int     ist;
 107         void    *ih;                    /* interrupt vectoring */
 108         u_long  nintr;                  /* number of interrupts taken */
 109         void    (*intr)(void*);         /* ISR for DMA complete */
 110         void    *arg;                   /* arg for intr() */
 111
 112         /* Status information */
 113         int     active;                 /* boolean: channel in use? */
 114
 115         /* Polling state */
 116         int     polled;                 /* 1 if channel is polled */
 117         int     dmapos;                 /* last DMA pointer */
 118         int     buffersize;             /* size of DMA buffer */
 119         /* (The following is only needed due to the stupid block interface.) */
 120         int     dmacount;               /* leftover partial block */
 121         int     blksize;                /* current block size */
 122 };
 123
 124 struct ess_softc
 125 {
 126         struct  device sc_dev;          /* base device */
 127         isa_chipset_tag_t sc_ic;
 128         bus_space_tag_t sc_iot;         /* tag */
 129         bus_space_handle_t sc_ioh;      /* handle */
 130
 131         struct callout sc_poll1_ch;     /* audio1 poll */
 132         struct callout sc_poll2_ch;     /* audio2 poll */
 133
 134         int     sc_iobase;              /* I/O port base address */
 135
 136         u_short sc_open;                /* reference count of open calls */
 137
 138         int ndevs;
 139         u_char  gain[ESS_MAX_NDEVS][2]; /* kept in input levels */
 140 #define ESS_LEFT 0
 141 #define ESS_RIGHT 1
 142
 143         u_int   out_port;               /* output port */
 144         u_int   in_mask;                /* input ports */
 145         u_int   in_port;                /* XXX needed for MI interface */
 146
 147         u_int   spkr_state;             /* non-null is on */
 148
 149         struct ess_audio_channel sc_audio1; /* audio channel for record */
 150         struct ess_audio_channel sc_audio2; /* audio channel for playback */
 151
 152         u_int   sc_model;
 153 #define ESS_UNSUPPORTED 0
 154 #define ESS_688         1
 155 #define ESS_1688        2
 156 #define ESS_1788        3
 157 #define ESS_1868        4
 158 #define ESS_1869        5
 159 #define ESS_1878        6
 160 #define ESS_1879        7
 161 #define ESS_888         8
 162 #define ESS_1887        9
 163 #define ESS_1888        10
 164
 165         u_int   sc_version;             /* Legacy ES688/ES1688 ID */
 166
 167         /* game port on es1888 */
 168         bus_space_tag_t sc_joy_iot;
 169         bus_space_handle_t sc_joy_ioh;
 170 };
 171
 172 int     essmatch(struct ess_softc *);
 173 void    essattach(struct ess_softc *, int);
 174 int     ess_config_addr(struct ess_softc *);
 175