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  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 1997,1998 Luigi Rizzo
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   26  * SUCH DAMAGE.
   27  *
   28  * $FreeBSD: releng/12.0/sys/dev/sound/isa/sb.h 326255 2017-11-27 14:52:40Z pfg $
   29  */
   30 
   31 #ifndef SB_H
   32 #define SB_H
   33 
   34 struct sbc_softc;
   35 void sbc_lock(struct sbc_softc *);
   36 void sbc_lockassert(struct sbc_softc *);
   37 void sbc_unlock(struct sbc_softc *);
   38 
   39 /*
   40  * sound blaster registers
   41  */
   42 
   43 #define SBDSP_RST       0x6
   44 #define DSP_READ        0xA
   45 #define DSP_WRITE       0xC
   46 #define SBDSP_CMD       0xC
   47 #define SBDSP_STATUS    0xC
   48 #define DSP_DATA_AVAIL  0xE
   49 #define DSP_DATA_AVL16  0xF
   50 
   51 #define SB_MIX_ADDR     0x4
   52 #define SB_MIX_DATA     0x5
   53 #if 0
   54 #define OPL3_LEFT       (io_base + 0x0)
   55 #define OPL3_RIGHT      (io_base + 0x2)
   56 #define OPL3_BOTH       (io_base + 0x8)
   57 #endif
   58 
   59 /*
   60  * DSP Commands. There are many, and in many cases they are used explicitly
   61  */
   62 
   63 /* these are not used except for programmed I/O (not in this driver) */
   64 #define DSP_DAC8                0x10    /* direct DAC output */
   65 #define DSP_ADC8                0x20    /* direct ADC input */
   66 
   67 /* these should be used in the SB 1.0 */
   68 #define DSP_CMD_DAC8            0x14    /* single cycle 8-bit dma out */
   69 #define DSP_CMD_ADC8            0x24    /* single cycle 8-bit dma in */
   70 
   71 /* these should be used in the SB 2.0 and 2.01 */
   72 #define DSP_CMD_DAC8_AUTO       0x1c    /* auto 8-bit dma out */
   73 #define DSP_CMD_ADC8_AUTO       0x2c    /* auto 8-bit dma out */
   74 
   75 #define DSP_CMD_HSSIZE          0x48    /* high speed dma count */
   76 #define DSP_CMD_HSDAC_AUTO      0x90    /* high speed dac, auto */
   77 #define DSP_CMD_HSADC_AUTO      0x98    /* high speed adc, auto */
   78 
   79 /* SBPro commands. Some cards (JAZZ, SMW) also support 16 bits */
   80 
   81         /* prepare for dma input */
   82 #define DSP_CMD_DMAMODE(stereo, bit16) (0xA0 | (stereo ? 8:0) | (bit16 ? 4:0))
   83 
   84 #define DSP_CMD_DAC2            0x16    /* 2-bit adpcm dma out (cont) */
   85 #define DSP_CMD_DAC2S           0x17    /* 2-bit adpcm dma out (start) */
   86 
   87 #define DSP_CMD_DAC2S_AUTO      0x1f    /* auto 2-bit adpcm dma out (start) */
   88 
   89 
   90 /* SB16 commands */
   91 #define DSP_CMD_O16             0xb0
   92 #define DSP_CMD_I16             0xb8
   93 #define DSP_CMD_O8              0xc0
   94 #define DSP_CMD_I8              0xc8
   95 
   96 #define DSP_MODE_U8MONO         0x00
   97 #define DSP_MODE_U8STEREO       0x20
   98 #define DSP_MODE_S16MONO        0x10
   99 #define DSP_MODE_S16STEREO      0x30
  100 
  101 #define DSP_CMD_SPKON           0xD1
  102 #define DSP_CMD_SPKOFF          0xD3
  103 #define DSP_CMD_SPKR(on)        (0xD1 | (on ? 0:2))
  104 
  105 #define DSP_CMD_DMAPAUSE_8      0xD0
  106 #define DSP_CMD_DMAPAUSE_16     0xD5
  107 #define DSP_CMD_DMAEXIT_8       0xDA
  108 #define DSP_CMD_DMAEXIT_16      0xD9
  109 #define DSP_CMD_TCONST          0x40    /* set time constant */
  110 #define DSP_CMD_HSDAC           0x91    /* high speed dac */
  111 #define DSP_CMD_HSADC           0x99    /* high speed adc */
  112 
  113 #define DSP_CMD_GETVER          0xE1
  114 #define DSP_CMD_GETID           0xE7    /* return id bytes */
  115 
  116 
  117 #define DSP_CMD_OUT16           0x41    /* send parms for dma out on sb16 */
  118 #define DSP_CMD_IN16            0x42    /* send parms for dma in on sb16 */
  119 #if 0 /*** unknown ***/
  120 #define DSP_CMD_FA              0xFA    /* get version from prosonic*/
  121 #define DSP_CMD_FB              0xFB    /* set irq/dma for prosonic*/
  122 #endif
  123 
  124 /*
  125  * in fact, for the SB16, dma commands are as follows:
  126  *
  127  *  cmd, mode, len_low, len_high.
  128  *
  129  * cmd is a combination of DSP_DMA16 or DSP_DMA8 and
  130  */
  131 
  132 #define DSP_DMA16               0xb0
  133 #define DSP_DMA8                0xc0
  134 #   define DSP_F16_DAC          0x00
  135 #   define DSP_F16_ADC          0x08
  136 #   define DSP_F16_AUTO         0x04
  137 #   define DSP_F16_FIFO_ON      0x02
  138 
  139 /*
  140  * mode is a combination of the following:
  141  */
  142 #define DSP_F16_STEREO  0x20
  143 #define DSP_F16_SIGNED  0x10
  144 
  145 #define IMODE_NONE              0
  146 #define IMODE_OUTPUT            PCM_ENABLE_OUTPUT
  147 #define IMODE_INPUT             PCM_ENABLE_INPUT
  148 #define IMODE_INIT              3
  149 #define IMODE_MIDI              4
  150 
  151 #define NORMAL_MIDI     0
  152 #define UART_MIDI       1
  153 
  154 /*
  155  * values used for bd_flags in SoundBlaster driver
  156  */
  157 #define BD_F_HISPEED    0x0001  /* doing high speed ... */
  158 
  159 #if 0
  160 #define BD_F_JAZZ16     0x0002  /* jazz16 detected */
  161 #define BD_F_JAZZ16_2   0x0004  /* jazz16 type 2 */
  162 #endif
  163 
  164 #define BD_F_DUP_MIDI   0x0008  /* duplex midi */
  165 
  166 #define BD_F_MIX_MASK   0x0070  /* up to 8 mixers (I know of 3) */
  167 #define BD_F_MIX_CT1335 0x0010  /* CT1335               */
  168 #define BD_F_MIX_CT1345 0x0020  /* CT1345               */
  169 #define BD_F_MIX_CT1745 0x0030  /* CT1745               */
  170 
  171 #define BD_F_SB16       0x0100  /* this is a SB16 */
  172 #define BD_F_SB16X      0x0200  /* this is a vibra16X or clone */
  173 #if 0
  174 #define BD_F_MIDIBUSY   0x0400  /* midi busy */
  175 #endif
  176 #define BD_F_ESS        0x0800  /* this is an ESS chip */
  177 #define BD_F_DMARUN     0x2000
  178 #define BD_F_DMARUN2    0x4000
  179 
  180 /*
  181  * Mixer registers of SB Pro
  182  */
  183 #define VOC_VOL         0x04
  184 #define MIC_VOL         0x0A
  185 #define MIC_MIX         0x0A
  186 #define RECORD_SRC      0x0C
  187 #define IN_FILTER       0x0C
  188 #define OUT_FILTER      0x0E
  189 #define MASTER_VOL      0x22
  190 #define FM_VOL          0x26
  191 #define CD_VOL          0x28
  192 #define LINE_VOL        0x2E
  193 #define IRQ_NR          0x80
  194 #define DMA_NR          0x81
  195 #define IRQ_STAT        0x82
  196 
  197 /*
  198  * Additional registers on the SG NX Pro
  199  */
  200 #define COVOX_VOL       0x42
  201 #define TREBLE_LVL      0x44
  202 #define BASS_LVL        0x46
  203 
  204 #define FREQ_HI         (1 << 3)/* Use High-frequency ANFI filters */
  205 #define FREQ_LOW        0       /* Use Low-frequency ANFI filters */
  206 #define FILT_ON         0       /* Yes, 0 to turn it on, 1 for off */
  207 #define FILT_OFF        (1 << 5)
  208 
  209 #define MONO_DAC        0x00
  210 #define STEREO_DAC      0x02
  211 
  212 /*
  213  * Mixer registers of SB16
  214  */
  215 #define SB16_IMASK_L    0x3d
  216 #define SB16_IMASK_R    0x3e
  217 #define SB16_OMASK      0x3c
  218 #endif

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