The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/sound/isa/sb.h

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    1 /*-
    2  * Copyright (c) 1997,1998 Luigi Rizzo
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  * 1. Redistributions of source code must retain the above copyright
    9  *    notice, this list of conditions and the following disclaimer.
   10  * 2. Redistributions in binary form must reproduce the above copyright
   11  *    notice, this list of conditions and the following disclaimer in the
   12  *    documentation and/or other materials provided with the distribution.
   13  *
   14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24  * SUCH DAMAGE.
   25  *
   26  * $FreeBSD: releng/8.0/sys/dev/sound/isa/sb.h 166425 2007-02-02 13:33:35Z joel $
   27  */
   28 
   29 #ifndef SB_H
   30 #define SB_H
   31 
   32 struct sbc_softc;
   33 void sbc_lock(struct sbc_softc *);
   34 void sbc_lockassert(struct sbc_softc *);
   35 void sbc_unlock(struct sbc_softc *);
   36 
   37 /*
   38  * sound blaster registers
   39  */
   40 
   41 #define SBDSP_RST       0x6
   42 #define DSP_READ        0xA
   43 #define DSP_WRITE       0xC
   44 #define SBDSP_CMD       0xC
   45 #define SBDSP_STATUS    0xC
   46 #define DSP_DATA_AVAIL  0xE
   47 #define DSP_DATA_AVL16  0xF
   48 
   49 #define SB_MIX_ADDR     0x4
   50 #define SB_MIX_DATA     0x5
   51 #if 0
   52 #define OPL3_LEFT       (io_base + 0x0)
   53 #define OPL3_RIGHT      (io_base + 0x2)
   54 #define OPL3_BOTH       (io_base + 0x8)
   55 #endif
   56 
   57 /*
   58  * DSP Commands. There are many, and in many cases they are used explicitly
   59  */
   60 
   61 /* these are not used except for programmed I/O (not in this driver) */
   62 #define DSP_DAC8                0x10    /* direct DAC output */
   63 #define DSP_ADC8                0x20    /* direct ADC input */
   64 
   65 /* these should be used in the SB 1.0 */
   66 #define DSP_CMD_DAC8            0x14    /* single cycle 8-bit dma out */
   67 #define DSP_CMD_ADC8            0x24    /* single cycle 8-bit dma in */
   68 
   69 /* these should be used in the SB 2.0 and 2.01 */
   70 #define DSP_CMD_DAC8_AUTO       0x1c    /* auto 8-bit dma out */
   71 #define DSP_CMD_ADC8_AUTO       0x2c    /* auto 8-bit dma out */
   72 
   73 #define DSP_CMD_HSSIZE          0x48    /* high speed dma count */
   74 #define DSP_CMD_HSDAC_AUTO      0x90    /* high speed dac, auto */
   75 #define DSP_CMD_HSADC_AUTO      0x98    /* high speed adc, auto */
   76 
   77 /* SBPro commands. Some cards (JAZZ, SMW) also support 16 bits */
   78 
   79         /* prepare for dma input */
   80 #define DSP_CMD_DMAMODE(stereo, bit16) (0xA0 | (stereo ? 8:0) | (bit16 ? 4:0))
   81 
   82 #define DSP_CMD_DAC2            0x16    /* 2-bit adpcm dma out (cont) */
   83 #define DSP_CMD_DAC2S           0x17    /* 2-bit adpcm dma out (start) */
   84 
   85 #define DSP_CMD_DAC2S_AUTO      0x1f    /* auto 2-bit adpcm dma out (start) */
   86 
   87 
   88 /* SB16 commands */
   89 #define DSP_CMD_O16             0xb0
   90 #define DSP_CMD_I16             0xb8
   91 #define DSP_CMD_O8              0xc0
   92 #define DSP_CMD_I8              0xc8
   93 
   94 #define DSP_MODE_U8MONO         0x00
   95 #define DSP_MODE_U8STEREO       0x20
   96 #define DSP_MODE_S16MONO        0x10
   97 #define DSP_MODE_S16STEREO      0x30
   98 
   99 #define DSP_CMD_SPKON           0xD1
  100 #define DSP_CMD_SPKOFF          0xD3
  101 #define DSP_CMD_SPKR(on)        (0xD1 | (on ? 0:2))
  102 
  103 #define DSP_CMD_DMAPAUSE_8      0xD0
  104 #define DSP_CMD_DMAPAUSE_16     0xD5
  105 #define DSP_CMD_DMAEXIT_8       0xDA
  106 #define DSP_CMD_DMAEXIT_16      0xD9
  107 #define DSP_CMD_TCONST          0x40    /* set time constant */
  108 #define DSP_CMD_HSDAC           0x91    /* high speed dac */
  109 #define DSP_CMD_HSADC           0x99    /* high speed adc */
  110 
  111 #define DSP_CMD_GETVER          0xE1
  112 #define DSP_CMD_GETID           0xE7    /* return id bytes */
  113 
  114 
  115 #define DSP_CMD_OUT16           0x41    /* send parms for dma out on sb16 */
  116 #define DSP_CMD_IN16            0x42    /* send parms for dma in on sb16 */
  117 #if 0 /*** unknown ***/
  118 #define DSP_CMD_FA              0xFA    /* get version from prosonic*/
  119 #define DSP_CMD_FB              0xFB    /* set irq/dma for prosonic*/
  120 #endif
  121 
  122 /*
  123  * in fact, for the SB16, dma commands are as follows:
  124  *
  125  *  cmd, mode, len_low, len_high.
  126  *
  127  * cmd is a combination of DSP_DMA16 or DSP_DMA8 and
  128  */
  129 
  130 #define DSP_DMA16               0xb0
  131 #define DSP_DMA8                0xc0
  132 #   define DSP_F16_DAC          0x00
  133 #   define DSP_F16_ADC          0x08
  134 #   define DSP_F16_AUTO         0x04
  135 #   define DSP_F16_FIFO_ON      0x02
  136 
  137 /*
  138  * mode is a combination of the following:
  139  */
  140 #define DSP_F16_STEREO  0x20
  141 #define DSP_F16_SIGNED  0x10
  142 
  143 #define IMODE_NONE              0
  144 #define IMODE_OUTPUT            PCM_ENABLE_OUTPUT
  145 #define IMODE_INPUT             PCM_ENABLE_INPUT
  146 #define IMODE_INIT              3
  147 #define IMODE_MIDI              4
  148 
  149 #define NORMAL_MIDI     0
  150 #define UART_MIDI       1
  151 
  152 /*
  153  * values used for bd_flags in SoundBlaster driver
  154  */
  155 #define BD_F_HISPEED    0x0001  /* doing high speed ... */
  156 
  157 #if 0
  158 #define BD_F_JAZZ16     0x0002  /* jazz16 detected */
  159 #define BD_F_JAZZ16_2   0x0004  /* jazz16 type 2 */
  160 #endif
  161 
  162 #define BD_F_DUP_MIDI   0x0008  /* duplex midi */
  163 
  164 #define BD_F_MIX_MASK   0x0070  /* up to 8 mixers (I know of 3) */
  165 #define BD_F_MIX_CT1335 0x0010  /* CT1335               */
  166 #define BD_F_MIX_CT1345 0x0020  /* CT1345               */
  167 #define BD_F_MIX_CT1745 0x0030  /* CT1745               */
  168 
  169 #define BD_F_SB16       0x0100  /* this is a SB16 */
  170 #define BD_F_SB16X      0x0200  /* this is a vibra16X or clone */
  171 #if 0
  172 #define BD_F_MIDIBUSY   0x0400  /* midi busy */
  173 #endif
  174 #define BD_F_ESS        0x0800  /* this is an ESS chip */
  175 #define BD_F_DMARUN     0x2000
  176 #define BD_F_DMARUN2    0x4000
  177 
  178 /*
  179  * Mixer registers of SB Pro
  180  */
  181 #define VOC_VOL         0x04
  182 #define MIC_VOL         0x0A
  183 #define MIC_MIX         0x0A
  184 #define RECORD_SRC      0x0C
  185 #define IN_FILTER       0x0C
  186 #define OUT_FILTER      0x0E
  187 #define MASTER_VOL      0x22
  188 #define FM_VOL          0x26
  189 #define CD_VOL          0x28
  190 #define LINE_VOL        0x2E
  191 #define IRQ_NR          0x80
  192 #define DMA_NR          0x81
  193 #define IRQ_STAT        0x82
  194 
  195 /*
  196  * Additional registers on the SG NX Pro
  197  */
  198 #define COVOX_VOL       0x42
  199 #define TREBLE_LVL      0x44
  200 #define BASS_LVL        0x46
  201 
  202 #define FREQ_HI         (1 << 3)/* Use High-frequency ANFI filters */
  203 #define FREQ_LOW        0       /* Use Low-frequency ANFI filters */
  204 #define FILT_ON         0       /* Yes, 0 to turn it on, 1 for off */
  205 #define FILT_OFF        (1 << 5)
  206 
  207 #define MONO_DAC        0x00
  208 #define STEREO_DAC      0x02
  209 
  210 /*
  211  * Mixer registers of SB16
  212  */
  213 #define SB16_IMASK_L    0x3d
  214 #define SB16_IMASK_R    0x3e
  215 #define SB16_OMASK      0x3c
  216 #endif

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