| /* |
| * Driver for PowerMac AWACS onboard soundchips |
| * Copyright (c) 2001 by Takashi Iwai <tiwai@suse.de> |
| * based on dmasound.c. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| |
| #ifndef __AWACS_H |
| #define __AWACS_H |
| |
| /*******************************/ |
| /* AWACs Audio Register Layout */ |
| /*******************************/ |
| |
| struct awacs_regs { |
| unsigned control; /* Audio control register */ |
| unsigned pad0[3]; |
| unsigned codec_ctrl; /* Codec control register */ |
| unsigned pad1[3]; |
| unsigned codec_stat; /* Codec status register */ |
| unsigned pad2[3]; |
| unsigned clip_count; /* Clipping count register */ |
| unsigned pad3[3]; |
| unsigned byteswap; /* Data is little-endian if 1 */ |
| }; |
| |
| /*******************/ |
| /* Audio Bit Masks */ |
| /*******************/ |
| |
| /* Audio Control Reg Bit Masks */ |
| /* ----- ------- --- --- ----- */ |
| #define MASK_ISFSEL (0xf) /* Input SubFrame Select */ |
| #define MASK_OSFSEL (0xf << 4) /* Output SubFrame Select */ |
| #define MASK_RATE (0x7 << 8) /* Sound Rate */ |
| #define MASK_CNTLERR (0x1 << 11) /* Error */ |
| #define MASK_PORTCHG (0x1 << 12) /* Port Change */ |
| #define MASK_IEE (0x1 << 13) /* Enable Interrupt on Error */ |
| #define MASK_IEPC (0x1 << 14) /* Enable Interrupt on Port Change */ |
| #define MASK_SSFSEL (0x3 << 15) /* Status SubFrame Select */ |
| |
| /* Audio Codec Control Reg Bit Masks */ |
| /* ----- ----- ------- --- --- ----- */ |
| #define MASK_NEWECMD (0x1 << 24) /* Lock: don't write to reg when 1 */ |
| #define MASK_EMODESEL (0x3 << 22) /* Send info out on which frame? */ |
| #define MASK_EXMODEADDR (0x3ff << 12) /* Extended Mode Address -- 10 bits */ |
| #define MASK_EXMODEDATA (0xfff) /* Extended Mode Data -- 12 bits */ |
| |
| /* Audio Codec Control Address Values / Masks */ |
| /* ----- ----- ------- ------- ------ - ----- */ |
| #define MASK_ADDR0 (0x0 << 12) /* Expanded Data Mode Address 0 */ |
| #define MASK_ADDR_MUX MASK_ADDR0 /* Mux Control */ |
| #define MASK_ADDR_GAIN MASK_ADDR0 |
| |
| #define MASK_ADDR1 (0x1 << 12) /* Expanded Data Mode Address 1 */ |
| #define MASK_ADDR_MUTE MASK_ADDR1 |
| #define MASK_ADDR_RATE MASK_ADDR1 |
| |
| #define MASK_ADDR2 (0x2 << 12) /* Expanded Data Mode Address 2 */ |
| #define MASK_ADDR_VOLA MASK_ADDR2 /* Volume Control A -- Headphones */ |
| #define MASK_ADDR_VOLHD MASK_ADDR2 |
| |
| #define MASK_ADDR4 (0x4 << 12) /* Expanded Data Mode Address 4 */ |
| #define MASK_ADDR_VOLC MASK_ADDR4 /* Volume Control C -- Speaker */ |
| #define MASK_ADDR_VOLSPK MASK_ADDR4 |
| |
| /* additional registers of screamer */ |
| #define MASK_ADDR5 (0x5 << 12) /* Expanded Data Mode Address 5 */ |
| #define MASK_ADDR6 (0x6 << 12) /* Expanded Data Mode Address 6 */ |
| #define MASK_ADDR7 (0x7 << 12) /* Expanded Data Mode Address 7 */ |
| |
| /* Address 0 Bit Masks & Macros */ |
| /* ------- - --- ----- - ------ */ |
| #define MASK_GAINRIGHT (0xf) /* Gain Right Mask */ |
| #define MASK_GAINLEFT (0xf << 4) /* Gain Left Mask */ |
| #define MASK_GAINLINE (0x1 << 8) /* Disable Mic preamp */ |
| #define MASK_GAINMIC (0x0 << 8) /* Enable Mic preamp */ |
| #define MASK_MUX_CD (0x1 << 9) /* Select CD in MUX */ |
| #define MASK_MUX_MIC (0x1 << 10) /* Select Mic in MUX */ |
| #define MASK_MUX_AUDIN (0x1 << 11) /* Select Audio In in MUX */ |
| #define MASK_MUX_LINE MASK_MUX_AUDIN |
| #define SHIFT_GAINLINE 8 |
| #define SHIFT_MUX_CD 9 |
| #define SHIFT_MUX_MIC 10 |
| #define SHIFT_MUX_LINE 11 |
| |
| #define GAINRIGHT(x) ((x) & MASK_GAINRIGHT) |
| #define GAINLEFT(x) (((x) << 4) & MASK_GAINLEFT) |
| |
| /* Address 1 Bit Masks */ |
| /* ------- - --- ----- */ |
| #define MASK_ADDR1RES1 (0x3) /* Reserved */ |
| #define MASK_RECALIBRATE (0x1 << 2) /* Recalibrate */ |
| #define MASK_SAMPLERATE (0x7 << 3) /* Sample Rate: */ |
| #define MASK_LOOPTHRU (0x1 << 6) /* Loopthrough Enable */ |
| #define SHIFT_LOOPTHRU 6 |
| #define MASK_CMUTE (0x1 << 7) /* Output C (Speaker) Mute when 1 */ |
| #define MASK_SPKMUTE MASK_CMUTE |
| #define SHIFT_SPKMUTE 7 |
| #define MASK_ADDR1RES2 (0x1 << 8) /* Reserved */ |
| #define MASK_AMUTE (0x1 << 9) /* Output A (Headphone) Mute when 1 */ |
| #define MASK_HDMUTE MASK_AMUTE |
| #define SHIFT_HDMUTE 9 |
| #define MASK_PAROUT (0x3 << 10) /* Parallel Out (???) */ |
| |
| #define SAMPLERATE_48000 (0x0 << 3) /* 48 or 44.1 kHz */ |
| #define SAMPLERATE_32000 (0x1 << 3) /* 32 or 29.4 kHz */ |
| #define SAMPLERATE_24000 (0x2 << 3) /* 24 or 22.05 kHz */ |
| #define SAMPLERATE_19200 (0x3 << 3) /* 19.2 or 17.64 kHz */ |
| #define SAMPLERATE_16000 (0x4 << 3) /* 16 or 14.7 kHz */ |
| #define SAMPLERATE_12000 (0x5 << 3) /* 12 or 11.025 kHz */ |
| #define SAMPLERATE_9600 (0x6 << 3) /* 9.6 or 8.82 kHz */ |
| #define SAMPLERATE_8000 (0x7 << 3) /* 8 or 7.35 kHz */ |
| |
| /* Address 2 & 4 Bit Masks & Macros */ |
| /* ------- - - - --- ----- - ------ */ |
| #define MASK_OUTVOLRIGHT (0xf) /* Output Right Volume */ |
| #define MASK_ADDR2RES1 (0x2 << 4) /* Reserved */ |
| #define MASK_ADDR4RES1 MASK_ADDR2RES1 |
| #define MASK_OUTVOLLEFT (0xf << 6) /* Output Left Volume */ |
| #define MASK_ADDR2RES2 (0x2 << 10) /* Reserved */ |
| #define MASK_ADDR4RES2 MASK_ADDR2RES2 |
| |
| #define VOLRIGHT(x) (((~(x)) & MASK_OUTVOLRIGHT)) |
| #define VOLLEFT(x) (((~(x)) << 6) & MASK_OUTVOLLEFT) |
| |
| /* address 6 */ |
| #define MASK_MIC_BOOST (0x4) /* screamer mic boost */ |
| #define SHIFT_MIC_BOOST 2 |
| |
| /* Audio Codec Status Reg Bit Masks */ |
| /* ----- ----- ------ --- --- ----- */ |
| #define MASK_EXTEND (0x1 << 23) /* Extend */ |
| #define MASK_VALID (0x1 << 22) /* Valid Data? */ |
| #define MASK_OFLEFT (0x1 << 21) /* Overflow Left */ |
| #define MASK_OFRIGHT (0x1 << 20) /* Overflow Right */ |
| #define MASK_ERRCODE (0xf << 16) /* Error Code */ |
| #define MASK_REVISION (0xf << 12) /* Revision Number */ |
| #define MASK_MFGID (0xf << 8) /* Mfg. ID */ |
| #define MASK_CODSTATRES (0xf << 4) /* bits 4 - 7 reserved */ |
| #define MASK_INPPORT (0xf) /* Input Port */ |
| #define MASK_HDPCONN 8 /* headphone plugged in */ |
| |
| /* Clipping Count Reg Bit Masks */ |
| /* -------- ----- --- --- ----- */ |
| #define MASK_CLIPLEFT (0xff << 7) /* Clipping Count, Left Channel */ |
| #define MASK_CLIPRIGHT (0xff) /* Clipping Count, Right Channel */ |
| |
| /* DBDMA ChannelStatus Bit Masks */ |
| /* ----- ------------- --- ----- */ |
| #define MASK_CSERR (0x1 << 7) /* Error */ |
| #define MASK_EOI (0x1 << 6) /* End of Input -- only for Input Channel */ |
| #define MASK_CSUNUSED (0x1f << 1) /* bits 1-5 not used */ |
| #define MASK_WAIT (0x1) /* Wait */ |
| |
| /* Various Rates */ |
| /* ------- ----- */ |
| #define RATE_48000 (0x0 << 8) /* 48 kHz */ |
| #define RATE_44100 (0x0 << 8) /* 44.1 kHz */ |
| #define RATE_32000 (0x1 << 8) /* 32 kHz */ |
| #define RATE_29400 (0x1 << 8) /* 29.4 kHz */ |
| #define RATE_24000 (0x2 << 8) /* 24 kHz */ |
| #define RATE_22050 (0x2 << 8) /* 22.05 kHz */ |
| #define RATE_19200 (0x3 << 8) /* 19.2 kHz */ |
| #define RATE_17640 (0x3 << 8) /* 17.64 kHz */ |
| #define RATE_16000 (0x4 << 8) /* 16 kHz */ |
| #define RATE_14700 (0x4 << 8) /* 14.7 kHz */ |
| #define RATE_12000 (0x5 << 8) /* 12 kHz */ |
| #define RATE_11025 (0x5 << 8) /* 11.025 kHz */ |
| #define RATE_9600 (0x6 << 8) /* 9.6 kHz */ |
| #define RATE_8820 (0x6 << 8) /* 8.82 kHz */ |
| #define RATE_8000 (0x7 << 8) /* 8 kHz */ |
| #define RATE_7350 (0x7 << 8) /* 7.35 kHz */ |
| |
| #define RATE_LOW 1 /* HIGH = 48kHz, etc; LOW = 44.1kHz, etc. */ |
| |
| |
| #endif /* __AWACS_H */ |
