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  * file: sbcard.h
    3  * $FreeBSD: releng/5.2/sys/dev/sound/isa/sb.h 74763 2001-03-24 23:10:29Z cg $
    4  */
    5 
    6 #ifndef SB_H
    7 #define SB_H
    8 
    9 struct sbc_softc;
   10 void sbc_lock(struct sbc_softc *);
   11 void sbc_unlock(struct sbc_softc *);
   12 
   13 /*
   14  * sound blaster registers
   15  */
   16 
   17 #define SBDSP_RST       0x6
   18 #define DSP_READ        0xA
   19 #define DSP_WRITE       0xC
   20 #define SBDSP_CMD       0xC
   21 #define SBDSP_STATUS    0xC
   22 #define DSP_DATA_AVAIL  0xE
   23 #define DSP_DATA_AVL16  0xF
   24 
   25 #define SB_MIX_ADDR     0x4
   26 #define SB_MIX_DATA     0x5
   27 #if 0
   28 #define OPL3_LEFT       (io_base + 0x0)
   29 #define OPL3_RIGHT      (io_base + 0x2)
   30 #define OPL3_BOTH       (io_base + 0x8)
   31 #endif
   32 
   33 /*
   34  * DSP Commands. There are many, and in many cases they are used explicitly
   35  */
   36 
   37 /* these are not used except for programmed I/O (not in this driver) */
   38 #define DSP_DAC8                0x10    /* direct DAC output */
   39 #define DSP_ADC8                0x20    /* direct ADC input */
   40 
   41 /* these should be used in the SB 1.0 */
   42 #define DSP_CMD_DAC8            0x14    /* single cycle 8-bit dma out */
   43 #define DSP_CMD_ADC8            0x24    /* single cycle 8-bit dma in */
   44 
   45 /* these should be used in the SB 2.0 and 2.01 */
   46 #define DSP_CMD_DAC8_AUTO       0x1c    /* auto 8-bit dma out */
   47 #define DSP_CMD_ADC8_AUTO       0x2c    /* auto 8-bit dma out */
   48 
   49 #define DSP_CMD_HSSIZE          0x48    /* high speed dma count */
   50 #define DSP_CMD_HSDAC_AUTO      0x90    /* high speed dac, auto */
   51 #define DSP_CMD_HSADC_AUTO      0x98    /* high speed adc, auto */
   52 
   53 /* SBPro commands. Some cards (JAZZ, SMW) also support 16 bits */
   54 
   55         /* prepare for dma input */
   56 #define DSP_CMD_DMAMODE(stereo, bit16) (0xA0 | (stereo ? 8:0) | (bit16 ? 4:0))
   57 
   58 #define DSP_CMD_DAC2            0x16    /* 2-bit adpcm dma out (cont) */
   59 #define DSP_CMD_DAC2S           0x17    /* 2-bit adpcm dma out (start) */
   60 
   61 #define DSP_CMD_DAC2S_AUTO      0x1f    /* auto 2-bit adpcm dma out (start) */
   62 
   63 
   64 /* SB16 commands */
   65 #define DSP_CMD_O16             0xb0
   66 #define DSP_CMD_I16             0xb8
   67 #define DSP_CMD_O8              0xc0
   68 #define DSP_CMD_I8              0xc8
   69 
   70 #define DSP_MODE_U8MONO         0x00
   71 #define DSP_MODE_U8STEREO       0x20
   72 #define DSP_MODE_S16MONO        0x10
   73 #define DSP_MODE_S16STEREO      0x30
   74 
   75 #define DSP_CMD_SPKON           0xD1
   76 #define DSP_CMD_SPKOFF          0xD3
   77 #define DSP_CMD_SPKR(on)        (0xD1 | (on ? 0:2))
   78 
   79 #define DSP_CMD_DMAPAUSE_8      0xD0
   80 #define DSP_CMD_DMAPAUSE_16     0xD5
   81 #define DSP_CMD_DMAEXIT_8       0xDA
   82 #define DSP_CMD_DMAEXIT_16      0xD9
   83 #define DSP_CMD_TCONST          0x40    /* set time constant */
   84 #define DSP_CMD_HSDAC           0x91    /* high speed dac */
   85 #define DSP_CMD_HSADC           0x99    /* high speed adc */
   86 
   87 #define DSP_CMD_GETVER          0xE1
   88 #define DSP_CMD_GETID           0xE7    /* return id bytes */
   89 
   90 
   91 #define DSP_CMD_OUT16           0x41    /* send parms for dma out on sb16 */
   92 #define DSP_CMD_IN16            0x42    /* send parms for dma in on sb16 */
   93 #if 0 /*** unknown ***/
   94 #define DSP_CMD_FA              0xFA    /* get version from prosonic*/
   95 #define DSP_CMD_FB              0xFB    /* set irq/dma for prosonic*/
   96 #endif
   97 
   98 /*
   99  * in fact, for the SB16, dma commands are as follows:
  100  *
  101  *  cmd, mode, len_low, len_high.
  102  *
  103  * cmd is a combination of DSP_DMA16 or DSP_DMA8 and
  104  */
  105 
  106 #define DSP_DMA16               0xb0
  107 #define DSP_DMA8                0xc0
  108 #   define DSP_F16_DAC          0x00
  109 #   define DSP_F16_ADC          0x08
  110 #   define DSP_F16_AUTO         0x04
  111 #   define DSP_F16_FIFO_ON      0x02
  112 
  113 /*
  114  * mode is a combination of the following:
  115  */
  116 #define DSP_F16_STEREO  0x20
  117 #define DSP_F16_SIGNED  0x10
  118 
  119 #define IMODE_NONE              0
  120 #define IMODE_OUTPUT            PCM_ENABLE_OUTPUT
  121 #define IMODE_INPUT             PCM_ENABLE_INPUT
  122 #define IMODE_INIT              3
  123 #define IMODE_MIDI              4
  124 
  125 #define NORMAL_MIDI     0
  126 #define UART_MIDI       1
  127 
  128 /*
  129  * values used for bd_flags in SoundBlaster driver
  130  */
  131 #define BD_F_HISPEED    0x0001  /* doing high speed ... */
  132 
  133 #if 0
  134 #define BD_F_JAZZ16     0x0002  /* jazz16 detected */
  135 #define BD_F_JAZZ16_2   0x0004  /* jazz16 type 2 */
  136 #endif
  137 
  138 #define BD_F_DUP_MIDI   0x0008  /* duplex midi */
  139 
  140 #define BD_F_MIX_MASK   0x0070  /* up to 8 mixers (I know of 3) */
  141 #define BD_F_MIX_CT1335 0x0010  /* CT1335               */
  142 #define BD_F_MIX_CT1345 0x0020  /* CT1345               */
  143 #define BD_F_MIX_CT1745 0x0030  /* CT1745               */
  144 
  145 #define BD_F_SB16       0x0100  /* this is a SB16 */
  146 #define BD_F_SB16X      0x0200  /* this is a vibra16X or clone */
  147 #if 0
  148 #define BD_F_MIDIBUSY   0x0400  /* midi busy */
  149 #endif
  150 #define BD_F_ESS        0x0800  /* this is an ESS chip */
  151 #define BD_F_DMARUN     0x2000
  152 #define BD_F_DMARUN2    0x4000
  153 
  154 /*
  155  * Mixer registers of SB Pro
  156  */
  157 #define VOC_VOL         0x04
  158 #define MIC_VOL         0x0A
  159 #define MIC_MIX         0x0A
  160 #define RECORD_SRC      0x0C
  161 #define IN_FILTER       0x0C
  162 #define OUT_FILTER      0x0E
  163 #define MASTER_VOL      0x22
  164 #define FM_VOL          0x26
  165 #define CD_VOL          0x28
  166 #define LINE_VOL        0x2E
  167 #define IRQ_NR          0x80
  168 #define DMA_NR          0x81
  169 #define IRQ_STAT        0x82
  170 
  171 /*
  172  * Additional registers on the SG NX Pro
  173  */
  174 #define COVOX_VOL       0x42
  175 #define TREBLE_LVL      0x44
  176 #define BASS_LVL        0x46
  177 
  178 #define FREQ_HI         (1 << 3)/* Use High-frequency ANFI filters */
  179 #define FREQ_LOW        0       /* Use Low-frequency ANFI filters */
  180 #define FILT_ON         0       /* Yes, 0 to turn it on, 1 for off */
  181 #define FILT_OFF        (1 << 5)
  182 
  183 #define MONO_DAC        0x00
  184 #define STEREO_DAC      0x02
  185 
  186 /*
  187  * Mixer registers of SB16
  188  */
  189 #define SB16_IMASK_L    0x3d
  190 #define SB16_IMASK_R    0x3e
  191 #define SB16_OMASK      0x3c
  192 #endif

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