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 29 struct 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