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Diffstat (limited to 'sound/ppc/awacs.h')
| -rw-r--r-- | sound/ppc/awacs.h | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/sound/ppc/awacs.h b/sound/ppc/awacs.h new file mode 100644 index 00000000000..1b2cc44eda5 --- /dev/null +++ b/sound/ppc/awacs.h @@ -0,0 +1,192 @@ +/* + * 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 */ |