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/ic/cs4231reg.h

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    1 /* $OpenBSD: cs4231reg.h,v 1.8 2022/01/09 05:42:38 jsg Exp $ */
    2 /* $NetBSD: cs4231reg.h,v 1.4 1996/02/16 08:12:33 mycroft Exp $ */
    3 
    4 /*-
    5  * Copyright (c) 1996 The NetBSD Foundation, Inc.
    6  * All rights reserved.
    7  *
    8  * This code is derived from software contributed to The NetBSD Foundation
    9  * by Ken Hornstein and John Kohl.
   10  *
   11  * Redistribution and use in source and binary forms, with or without
   12  * modification, are permitted provided that the following conditions
   13  * are met:
   14  * 1. Redistributions of source code must retain the above copyright
   15  *    notice, this list of conditions and the following disclaimer.
   16  * 2. Redistributions in binary form must reproduce the above copyright
   17  *    notice, this list of conditions and the following disclaimer in the
   18  *    documentation and/or other materials provided with the distribution.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
   24  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   30  * POSSIBILITY OF SUCH DAMAGE.
   31  */
   32 
   33 /*
   34  * Register defs for Crystal Semiconductor CS4231 Audio Codec/mixer
   35  * chip, used on Gravis UltraSound MAX cards.
   36  *
   37  * Block diagram:
   38  *             +----------------------------------------------------+
   39  *             |                                                    |
   40  *             |   +----------------------------------------------+ |
   41  *             |   |mixed in       +-+                            | |
   42  *             |   +------------>--| |                            | |
   43  *             | mic in            | |                            | |
   44  *   Mic --+-->| --------- GAIN ->-| |                            | |
   45  *         |   | AUX 1 in          |M|                            | |
   46  *   GF1 --)-->| -------------+-->-|U|                            | |
   47  *         |   | Line in      |    |X|---- GAIN ----------+       | |
   48  *  Line --)-->| ---------+---)-->-| |                    |       | |
   49  *         |   |          |   |    | |                    |       | |
   50  *         |   |          |   |    +-+                   ADC      | |
   51  *         |   |          |   |                           |       | |
   52  *         |   |          |   |                           |       | |
   53  *         |   |          |   +--- L/M --\                |       | | AMP-->
   54  *         |   |          |               \               |       | |  |
   55  *         |   |          |                \              |       | |  |
   56  *         |   |          +---- L/M -------O-->--+--------)-------+-|--+-> line
   57  *         |   |   mono in                /|     |        |         |
   58  *         +---|-->------------ L/M -----/ |     |        |         |
   59  *             |   AUX 2 in                |     |        |         |
   60  *  CD --------|-->------------ L/M -------+    L/M       |         |
   61  *             |                                 |        v         |
   62  *             |                                 |        |         |
   63  *             |                                DAC       |         |
   64  *             |                                 |        |         |
   65  *             +----------------------------------------------------+
   66  *                                               |        |
   67  *                                               |        |
   68  *                                               v        v
   69  *                                                Pc BUS (DISK) ???
   70  *
   71  * Documentation for this chip can be found at:
   72  *      http://www.cirrus.com/products/overviews/cs4231.html
   73  */
   74 
   75 /* CS4231/AD1845 mode2 registers; added to AD1848 registers */
   76 #define CS_ALT_FEATURE1         0x10
   77 #define CS_ALT_FEATURE2         0x11
   78 #define CS_LEFT_LINE_CONTROL    0x12
   79 #define CS_RIGHT_LINE_CONTROL   0x13
   80 #define         LINE_INPUT_ATTEN_BITS   0x1f
   81 #define         LINE_INPUT_ATTEN_MASK   0xe0
   82 #define         LINE_INPUT_MUTE         0x80
   83 #define         LINE_INPUT_MUTE_MASK    0x7f
   84 #define CS_TIMER_LOW            0x14
   85 #define CS_TIMER_HIGH           0x15
   86 #define CS_UPPER_FREQUENCY_SEL  0x16
   87 #define CS_LOWER_FREQUENCY_SEL  0x17
   88 #define CS_IRQ_STATUS           0x18
   89 #define         CS_IRQ_PU               0x01    /* Playback Underrun */
   90 #define         CS_IRQ_PO               0x02    /* Playback Overrun */
   91 #define         CS_IRQ_CO               0x04    /* Capture Overrun */
   92 #define         CS_IRQ_CU               0x08    /* Capture Underrun */
   93 #define         CS_IRQ_PI               0x10    /* Playback Interrupt */
   94 #define         CS_IRQ_CI               0x20    /* Capture Interrupt */
   95 #define         CS_IRQ_TI               0x40    /* Timer Interrupt */
   96 #define         CS_IRQ_RES              0x80    /* reserved */
   97 #define CS_VERSION_ID           0x19
   98 #define CS_MONO_IO_CONTROL      0x1A
   99 #define         MONO_INPUT_ATTEN_BITS   0x0f
  100 #define         MONO_INPUT_ATTEN_MASK   0xf0
  101 #define         MONO_OUTPUT_MUTE        0x40
  102 #define         MONO_INPUT_MUTE         0x80
  103 #define         MONO_INPUT_MUTE_MASK    0x7f
  104 #define CS_POWERDOWN_CONTROL    0x1B
  105 #define CS_REC_FORMAT           0x1C
  106 #define CS_XTAL_SELECT          0x1D
  107 #define CS_UPPER_REC_CNT        0x1E
  108 #define CS_LOWER_REC_CNT        0x1F

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