linux/sound/ppc/awacs.h
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   1/*
   2 * Driver for PowerMac AWACS onboard soundchips
   3 * Copyright (c) 2001 by Takashi Iwai <tiwai@suse.de>
   4 *   based on dmasound.c.
   5 *
   6 *   This program is free software; you can redistribute it and/or modify
   7 *   it under the terms of the GNU General Public License as published by
   8 *   the Free Software Foundation; either version 2 of the License, or
   9 *   (at your option) any later version.
  10 *
  11 *   This program is distributed in the hope that it will be useful,
  12 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 *   GNU General Public License for more details.
  15 *
  16 *   You should have received a copy of the GNU General Public License
  17 *   along with this program; if not, write to the Free Software
  18 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 */
  20
  21
  22#ifndef __AWACS_H
  23#define __AWACS_H
  24
  25/*******************************/
  26/* AWACs Audio Register Layout */
  27/*******************************/
  28
  29struct awacs_regs {
  30    unsigned    control;        /* Audio control register */
  31    unsigned    pad0[3];
  32    unsigned    codec_ctrl;     /* Codec control register */
  33    unsigned    pad1[3];
  34    unsigned    codec_stat;     /* Codec status register */
  35    unsigned    pad2[3];
  36    unsigned    clip_count;     /* Clipping count register */
  37    unsigned    pad3[3];
  38    unsigned    byteswap;       /* Data is little-endian if 1 */
  39};
  40
  41/*******************/
  42/* Audio Bit Masks */
  43/*******************/
  44
  45/* Audio Control Reg Bit Masks */
  46/* ----- ------- --- --- ----- */
  47#define MASK_ISFSEL     (0xf)           /* Input SubFrame Select */
  48#define MASK_OSFSEL     (0xf << 4)      /* Output SubFrame Select */
  49#define MASK_RATE       (0x7 << 8)      /* Sound Rate */
  50#define MASK_CNTLERR    (0x1 << 11)     /* Error */
  51#define MASK_PORTCHG    (0x1 << 12)     /* Port Change */
  52#define MASK_IEE        (0x1 << 13)     /* Enable Interrupt on Error */
  53#define MASK_IEPC       (0x1 << 14)     /* Enable Interrupt on Port Change */
  54#define MASK_SSFSEL     (0x3 << 15)     /* Status SubFrame Select */
  55
  56/* Audio Codec Control Reg Bit Masks */
  57/* ----- ----- ------- --- --- ----- */
  58#define MASK_NEWECMD    (0x1 << 24)     /* Lock: don't write to reg when 1 */
  59#define MASK_EMODESEL   (0x3 << 22)     /* Send info out on which frame? */
  60#define MASK_EXMODEADDR (0x3ff << 12)   /* Extended Mode Address -- 10 bits */
  61#define MASK_EXMODEDATA (0xfff)         /* Extended Mode Data -- 12 bits */
  62
  63/* Audio Codec Control Address Values / Masks */
  64/* ----- ----- ------- ------- ------ - ----- */
  65#define MASK_ADDR0      (0x0 << 12)     /* Expanded Data Mode Address 0 */
  66#define MASK_ADDR_MUX   MASK_ADDR0      /* Mux Control */
  67#define MASK_ADDR_GAIN  MASK_ADDR0
  68
  69#define MASK_ADDR1      (0x1 << 12)     /* Expanded Data Mode Address 1 */
  70#define MASK_ADDR_MUTE  MASK_ADDR1
  71#define MASK_ADDR_RATE  MASK_ADDR1
  72
  73#define MASK_ADDR2      (0x2 << 12)     /* Expanded Data Mode Address 2 */
  74#define MASK_ADDR_VOLA  MASK_ADDR2      /* Volume Control A -- Headphones */
  75#define MASK_ADDR_VOLHD MASK_ADDR2
  76
  77#define MASK_ADDR4      (0x4 << 12)     /* Expanded Data Mode Address 4 */
  78#define MASK_ADDR_VOLC  MASK_ADDR4      /* Volume Control C -- Speaker */
  79#define MASK_ADDR_VOLSPK MASK_ADDR4
  80
  81/* additional registers of screamer */
  82#define MASK_ADDR5      (0x5 << 12)     /* Expanded Data Mode Address 5 */
  83#define MASK_ADDR6      (0x6 << 12)     /* Expanded Data Mode Address 6 */
  84#define MASK_ADDR7      (0x7 << 12)     /* Expanded Data Mode Address 7 */
  85
  86/* Address 0 Bit Masks & Macros */
  87/* ------- - --- ----- - ------ */
  88#define MASK_GAINRIGHT  (0xf)           /* Gain Right Mask */
  89#define MASK_GAINLEFT   (0xf << 4)      /* Gain Left Mask */
  90#define MASK_GAINLINE   (0x1 << 8)      /* Disable Mic preamp */
  91#define MASK_GAINMIC    (0x0 << 8)      /* Enable Mic preamp */
  92#define MASK_MUX_CD     (0x1 << 9)      /* Select CD in MUX */
  93#define MASK_MUX_MIC    (0x1 << 10)     /* Select Mic in MUX */
  94#define MASK_MUX_AUDIN  (0x1 << 11)     /* Select Audio In in MUX */
  95#define MASK_MUX_LINE   MASK_MUX_AUDIN
  96#define SHIFT_GAINLINE  8
  97#define SHIFT_MUX_CD    9
  98#define SHIFT_MUX_MIC   10
  99#define SHIFT_MUX_LINE  11
 100
 101#define GAINRIGHT(x)    ((x) & MASK_GAINRIGHT)
 102#define GAINLEFT(x)     (((x) << 4) & MASK_GAINLEFT)
 103
 104/* Address 1 Bit Masks */
 105/* ------- - --- ----- */
 106#define MASK_ADDR1RES1  (0x3)           /* Reserved */
 107#define MASK_RECALIBRATE (0x1 << 2)     /* Recalibrate */
 108#define MASK_SAMPLERATE (0x7 << 3)      /* Sample Rate: */
 109#define MASK_LOOPTHRU   (0x1 << 6)      /* Loopthrough Enable */
 110#define SHIFT_LOOPTHRU  6
 111#define MASK_CMUTE      (0x1 << 7)      /* Output C (Speaker) Mute when 1 */
 112#define MASK_SPKMUTE    MASK_CMUTE
 113#define SHIFT_SPKMUTE   7
 114#define MASK_ADDR1RES2  (0x1 << 8)      /* Reserved */
 115#define MASK_AMUTE      (0x1 << 9)      /* Output A (Headphone) Mute when 1 */
 116#define MASK_HDMUTE     MASK_AMUTE
 117#define SHIFT_HDMUTE    9
 118#define MASK_PAROUT     (0x3 << 10)     /* Parallel Out (???) */
 119#define MASK_PAROUT0    (0x1 << 10)     /* Parallel Out (???) */
 120#define MASK_PAROUT1    (0x1 << 11)     /* Parallel Out (enable speaker) */
 121#define SHIFT_PAROUT    10
 122#define SHIFT_PAROUT0   10
 123#define SHIFT_PAROUT1   11
 124
 125#define SAMPLERATE_48000        (0x0 << 3)      /* 48 or 44.1 kHz */
 126#define SAMPLERATE_32000        (0x1 << 3)      /* 32 or 29.4 kHz */
 127#define SAMPLERATE_24000        (0x2 << 3)      /* 24 or 22.05 kHz */
 128#define SAMPLERATE_19200        (0x3 << 3)      /* 19.2 or 17.64 kHz */
 129#define SAMPLERATE_16000        (0x4 << 3)      /* 16 or 14.7 kHz */
 130#define SAMPLERATE_12000        (0x5 << 3)      /* 12 or 11.025 kHz */
 131#define SAMPLERATE_9600         (0x6 << 3)      /* 9.6 or 8.82 kHz */
 132#define SAMPLERATE_8000         (0x7 << 3)      /* 8 or 7.35 kHz */
 133
 134/* Address 2 & 4 Bit Masks & Macros */
 135/* ------- - - - --- ----- - ------ */
 136#define MASK_OUTVOLRIGHT (0xf)          /* Output Right Volume */
 137#define MASK_ADDR2RES1  (0x2 << 4)      /* Reserved */
 138#define MASK_ADDR4RES1  MASK_ADDR2RES1
 139#define MASK_OUTVOLLEFT (0xf << 6)      /* Output Left Volume */
 140#define MASK_ADDR2RES2  (0x2 << 10)     /* Reserved */
 141#define MASK_ADDR4RES2  MASK_ADDR2RES2
 142
 143#define VOLRIGHT(x)     (((~(x)) & MASK_OUTVOLRIGHT))
 144#define VOLLEFT(x)      (((~(x)) << 6) & MASK_OUTVOLLEFT)
 145
 146/* address 6 */
 147#define MASK_MIC_BOOST  (0x4)           /* screamer mic boost */
 148#define SHIFT_MIC_BOOST 2
 149
 150/* Audio Codec Status Reg Bit Masks */
 151/* ----- ----- ------ --- --- ----- */
 152#define MASK_EXTEND     (0x1 << 23)     /* Extend */
 153#define MASK_VALID      (0x1 << 22)     /* Valid Data? */
 154#define MASK_OFLEFT     (0x1 << 21)     /* Overflow Left */
 155#define MASK_OFRIGHT    (0x1 << 20)     /* Overflow Right */
 156#define MASK_ERRCODE    (0xf << 16)     /* Error Code */
 157#define MASK_REVISION   (0xf << 12)     /* Revision Number */
 158#define MASK_MFGID      (0xf << 8)      /* Mfg. ID */
 159#define MASK_CODSTATRES (0xf << 4)      /* bits 4 - 7 reserved */
 160#define MASK_INSENSE    (0xf)           /* port sense bits: */
 161#define MASK_HDPCONN            8       /* headphone plugged in */
 162#define MASK_LOCONN             4       /* line-out plugged in */
 163#define MASK_LICONN             2       /* line-in plugged in */
 164#define MASK_MICCONN            1       /* microphone plugged in */
 165#define MASK_LICONN_IMAC        8       /* line-in plugged in */
 166#define MASK_HDPRCONN_IMAC      4       /* headphone right plugged in */
 167#define MASK_HDPLCONN_IMAC      2       /* headphone left plugged in */
 168#define MASK_LOCONN_IMAC        1       /* line-out plugged in */
 169
 170/* Clipping Count Reg Bit Masks */
 171/* -------- ----- --- --- ----- */
 172#define MASK_CLIPLEFT   (0xff << 7)     /* Clipping Count, Left Channel */
 173#define MASK_CLIPRIGHT  (0xff)          /* Clipping Count, Right Channel */
 174
 175/* DBDMA ChannelStatus Bit Masks */
 176/* ----- ------------- --- ----- */
 177#define MASK_CSERR      (0x1 << 7)      /* Error */
 178#define MASK_EOI        (0x1 << 6)      /* End of Input --
 179                                           only for Input Channel */
 180#define MASK_CSUNUSED   (0x1f << 1)     /* bits 1-5 not used */
 181#define MASK_WAIT       (0x1)           /* Wait */
 182
 183/* Various Rates */
 184/* ------- ----- */
 185#define RATE_48000      (0x0 << 8)      /* 48 kHz */
 186#define RATE_44100      (0x0 << 8)      /* 44.1 kHz */
 187#define RATE_32000      (0x1 << 8)      /* 32 kHz */
 188#define RATE_29400      (0x1 << 8)      /* 29.4 kHz */
 189#define RATE_24000      (0x2 << 8)      /* 24 kHz */
 190#define RATE_22050      (0x2 << 8)      /* 22.05 kHz */
 191#define RATE_19200      (0x3 << 8)      /* 19.2 kHz */
 192#define RATE_17640      (0x3 << 8)      /* 17.64 kHz */
 193#define RATE_16000      (0x4 << 8)      /* 16 kHz */
 194#define RATE_14700      (0x4 << 8)      /* 14.7 kHz */
 195#define RATE_12000      (0x5 << 8)      /* 12 kHz */
 196#define RATE_11025      (0x5 << 8)      /* 11.025 kHz */
 197#define RATE_9600       (0x6 << 8)      /* 9.6 kHz */
 198#define RATE_8820       (0x6 << 8)      /* 8.82 kHz */
 199#define RATE_8000       (0x7 << 8)      /* 8 kHz */
 200#define RATE_7350       (0x7 << 8)      /* 7.35 kHz */
 201
 202#define RATE_LOW        1       /* HIGH = 48kHz, etc;  LOW = 44.1kHz, etc. */
 203
 204
 205#endif /* __AWACS_H */
 206
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