| #ifndef __SOUND_AZT3328_H |
| #define __SOUND_AZT3328_H |
| |
| /* "PU" == "power-up value", as tested on PCI168 PCI rev. 10 */ |
| |
| /*** main I/O area port indices ***/ |
| /* (only 0x70 of 0x80 bytes saved/restored by Windows driver) */ |
| #define AZF_IO_SIZE_CODEC 0x80 |
| #define AZF_IO_SIZE_CODEC_PM 0x70 |
| |
| /* the driver initialisation suggests a layout of 4 main areas: |
| * from 0x00 (playback), from 0x20 (recording) and from 0x40 (maybe MPU401??). |
| * And another area from 0x60 to 0x6f (DirectX timer, IRQ management, |
| * power management etc.???). */ |
| |
| /** playback area **/ |
| #define IDX_IO_PLAY_FLAGS 0x00 /* PU:0x0000 */ |
| /* able to reactivate output after output muting due to 8/16bit |
| * output change, just like 0x0002. |
| * 0x0001 is the only bit that's able to start the DMA counter */ |
| #define DMA_RESUME 0x0001 /* paused if cleared ? */ |
| /* 0x0002 *temporarily* set during DMA stopping. hmm |
| * both 0x0002 and 0x0004 set in playback setup. */ |
| /* able to reactivate output after output muting due to 8/16bit |
| * output change, just like 0x0001. */ |
| #define DMA_PLAY_SOMETHING1 0x0002 /* \ alternated (toggled) */ |
| /* 0x0004: NOT able to reactivate output */ |
| #define DMA_PLAY_SOMETHING2 0x0004 /* / bits */ |
| #define SOMETHING_ALMOST_ALWAYS_SET 0x0008 /* ???; can be modified */ |
| #define DMA_EPILOGUE_SOMETHING 0x0010 |
| #define DMA_SOMETHING_ELSE 0x0020 /* ??? */ |
| #define SOMETHING_UNMODIFIABLE 0xffc0 /* unused ? not modifiable */ |
| #define IDX_IO_PLAY_IRQTYPE 0x02 /* PU:0x0001 */ |
| /* write back to flags in case flags are set, in order to ACK IRQ in handler |
| * (bit 1 of port 0x64 indicates interrupt for one of these three types) |
| * sometimes in this case it just writes 0xffff to globally ACK all IRQs |
| * settings written are not reflected when reading back, though. |
| * seems to be IRQ, too (frequently used: port |= 0x07 !), but who knows ? */ |
| #define IRQ_PLAY_SOMETHING 0x0001 /* something & ACK */ |
| #define IRQ_FINISHED_PLAYBUF_1 0x0002 /* 1st dmabuf finished & ACK */ |
| #define IRQ_FINISHED_PLAYBUF_2 0x0004 /* 2nd dmabuf finished & ACK */ |
| #define IRQMASK_SOME_STATUS_1 0x0008 /* \ related bits */ |
| #define IRQMASK_SOME_STATUS_2 0x0010 /* / (checked together in loop) */ |
| #define IRQMASK_UNMODIFIABLE 0xffe0 /* unused ? not modifiable */ |
| #define IDX_IO_PLAY_DMA_START_1 0x04 /* start address of 1st DMA play area, PU:0x00000000 */ |
| #define IDX_IO_PLAY_DMA_START_2 0x08 /* start address of 2nd DMA play area, PU:0x00000000 */ |
| #define IDX_IO_PLAY_DMA_LEN_1 0x0c /* length of 1st DMA play area, PU:0x0000 */ |
| #define IDX_IO_PLAY_DMA_LEN_2 0x0e /* length of 2nd DMA play area, PU:0x0000 */ |
| #define IDX_IO_PLAY_DMA_CURRPOS 0x10 /* current DMA position, PU:0x00000000 */ |
| #define IDX_IO_PLAY_DMA_CURROFS 0x14 /* offset within current DMA play area, PU:0x0000 */ |
| #define IDX_IO_PLAY_SOUNDFORMAT 0x16 /* PU:0x0010 */ |
| /* all unspecified bits can't be modified */ |
| #define SOUNDFORMAT_FREQUENCY_MASK 0x000f |
| #define SOUNDFORMAT_XTAL1 0x00 |
| #define SOUNDFORMAT_XTAL2 0x01 |
| /* all _SUSPECTED_ values are not used by Windows drivers, so we don't |
| * have any hard facts, only rough measurements */ |
| #define SOUNDFORMAT_FREQ_SUSPECTED_4000 0x0c | SOUNDFORMAT_XTAL1 |
| #define SOUNDFORMAT_FREQ_SUSPECTED_4800 0x0a | SOUNDFORMAT_XTAL1 |
| #define SOUNDFORMAT_FREQ_5510 0x0c | SOUNDFORMAT_XTAL2 |
| #define SOUNDFORMAT_FREQ_6620 0x0a | SOUNDFORMAT_XTAL2 |
| #define SOUNDFORMAT_FREQ_8000 0x00 | SOUNDFORMAT_XTAL1 /* also 0x0e | SOUNDFORMAT_XTAL1? */ |
| #define SOUNDFORMAT_FREQ_9600 0x08 | SOUNDFORMAT_XTAL1 |
| #define SOUNDFORMAT_FREQ_11025 0x00 | SOUNDFORMAT_XTAL2 /* also 0x0e | SOUNDFORMAT_XTAL2? */ |
| #define SOUNDFORMAT_FREQ_SUSPECTED_13240 0x08 | SOUNDFORMAT_XTAL2 /* seems to be 6620 *2 */ |
| #define SOUNDFORMAT_FREQ_16000 0x02 | SOUNDFORMAT_XTAL1 |
| #define SOUNDFORMAT_FREQ_22050 0x02 | SOUNDFORMAT_XTAL2 |
| #define SOUNDFORMAT_FREQ_32000 0x04 | SOUNDFORMAT_XTAL1 |
| #define SOUNDFORMAT_FREQ_44100 0x04 | SOUNDFORMAT_XTAL2 |
| #define SOUNDFORMAT_FREQ_48000 0x06 | SOUNDFORMAT_XTAL1 |
| #define SOUNDFORMAT_FREQ_SUSPECTED_66200 0x06 | SOUNDFORMAT_XTAL2 /* 66200 (13240 * 5); 64000 may have been nicer :-\ */ |
| #define SOUNDFORMAT_FLAG_16BIT 0x0010 |
| #define SOUNDFORMAT_FLAG_2CHANNELS 0x0020 |
| |
| /** recording area (see also: playback bit flag definitions) **/ |
| #define IDX_IO_REC_FLAGS 0x20 /* ??, PU:0x0000 */ |
| #define IDX_IO_REC_IRQTYPE 0x22 /* ??, PU:0x0000 */ |
| #define IRQ_REC_SOMETHING 0x0001 /* something & ACK */ |
| #define IRQ_FINISHED_RECBUF_1 0x0002 /* 1st dmabuf finished & ACK */ |
| #define IRQ_FINISHED_RECBUF_2 0x0004 /* 2nd dmabuf finished & ACK */ |
| /* hmm, maybe these are just the corresponding *recording* flags ? |
| * but OTOH they are most likely at port 0x22 instead */ |
| #define IRQMASK_SOME_STATUS_1 0x0008 /* \ related bits */ |
| #define IRQMASK_SOME_STATUS_2 0x0010 /* / (checked together in loop) */ |
| #define IDX_IO_REC_DMA_START_1 0x24 /* PU:0x00000000 */ |
| #define IDX_IO_REC_DMA_START_2 0x28 /* PU:0x00000000 */ |
| #define IDX_IO_REC_DMA_LEN_1 0x2c /* PU:0x0000 */ |
| #define IDX_IO_REC_DMA_LEN_2 0x2e /* PU:0x0000 */ |
| #define IDX_IO_REC_DMA_CURRPOS 0x30 /* PU:0x00000000 */ |
| #define IDX_IO_REC_DMA_CURROFS 0x34 /* PU:0x00000000 */ |
| #define IDX_IO_REC_SOUNDFORMAT 0x36 /* PU:0x0000 */ |
| |
| /** hmm, what is this I/O area for? MPU401?? or external DAC via I2S?? (after playback, recording, ???, timer) **/ |
| #define IDX_IO_SOMETHING_FLAGS 0x40 /* gets set to 0x34 just like port 0x0 and 0x20 on card init, PU:0x0000 */ |
| /* general */ |
| #define IDX_IO_42H 0x42 /* PU:0x0001 */ |
| |
| /** DirectX timer, main interrupt area (FIXME: and something else?) **/ |
| #define IDX_IO_TIMER_VALUE 0x60 /* found this timer area by pure luck :-) */ |
| #define TIMER_VALUE_MASK 0x000fffffUL /* timer countdown value; triggers IRQ when timer is finished */ |
| #define TIMER_ENABLE_COUNTDOWN 0x01000000UL /* activate the timer countdown */ |
| #define TIMER_ENABLE_IRQ 0x02000000UL /* trigger timer IRQ on zero transition */ |
| #define TIMER_ACK_IRQ 0x04000000UL /* being set in IRQ handler in case port 0x00 (hmm, not port 0x64!?!?) had 0x0020 set upon IRQ handler */ |
| #define IDX_IO_IRQSTATUS 0x64 |
| #define IRQ_PLAYBACK 0x0001 |
| #define IRQ_RECORDING 0x0002 |
| #define IRQ_MPU401 0x0010 |
| #define IRQ_TIMER 0x0020 /* DirectX timer */ |
| #define IRQ_UNKNOWN1 0x0040 /* probably unused, or possibly I2S port? or gameport IRQ? */ |
| #define IRQ_UNKNOWN2 0x0080 /* probably unused, or possibly I2S port? or gameport IRQ? */ |
| #define IDX_IO_66H 0x66 /* writing 0xffff returns 0x0000 */ |
| #define IDX_IO_SOME_VALUE 0x68 /* this is set to e.g. 0x3ff or 0x300, and writable; maybe some buffer limit, but I couldn't find out more, PU:0x00ff */ |
| #define IDX_IO_6AH 0x6A /* this WORD can be set to have bits 0x0028 activated (FIXME: correct??); actually inhibits PCM playback!!! maybe power management?? */ |
| #define IO_6A_PAUSE_PLAYBACK 0x0200 /* bit 9; sure, this pauses playback, but what the heck is this really about?? */ |
| #define IDX_IO_6CH 0x6C |
| #define IDX_IO_6EH 0x6E /* writing 0xffff returns 0x83fe */ |
| /* further I/O indices not saved/restored, so probably not used */ |
| |
| |
| /*** I/O 2 area port indices ***/ |
| /* (only 0x06 of 0x08 bytes saved/restored by Windows driver) */ |
| #define AZF_IO_SIZE_IO2 0x08 |
| #define AZF_IO_SIZE_IO2_PM 0x06 |
| |
| #define IDX_IO2_LEGACY_ADDR 0x04 |
| #define LEGACY_SOMETHING 0x01 /* OPL3?? */ |
| #define LEGACY_JOY 0x08 |
| |
| #define AZF_IO_SIZE_MPU 0x04 |
| #define AZF_IO_SIZE_MPU_PM 0x04 |
| |
| #define AZF_IO_SIZE_SYNTH 0x08 |
| #define AZF_IO_SIZE_SYNTH_PM 0x06 |
| |
| /*** mixer I/O area port indices ***/ |
| /* (only 0x22 of 0x40 bytes saved/restored by Windows driver) |
| * UNFORTUNATELY azf3328 is NOT truly AC97 compliant: see main file intro */ |
| #define AZF_IO_SIZE_MIXER 0x40 |
| #define AZF_IO_SIZE_MIXER_PM 0x22 |
| |
| #define MIXER_VOLUME_RIGHT_MASK 0x001f |
| #define MIXER_VOLUME_LEFT_MASK 0x1f00 |
| #define MIXER_MUTE_MASK 0x8000 |
| #define IDX_MIXER_RESET 0x00 /* does NOT seem to have AC97 ID bits */ |
| #define IDX_MIXER_PLAY_MASTER 0x02 |
| #define IDX_MIXER_MODEMOUT 0x04 |
| #define IDX_MIXER_BASSTREBLE 0x06 |
| #define MIXER_BASSTREBLE_TREBLE_VOLUME_MASK 0x000e |
| #define MIXER_BASSTREBLE_BASS_VOLUME_MASK 0x0e00 |
| #define IDX_MIXER_PCBEEP 0x08 |
| #define IDX_MIXER_MODEMIN 0x0a |
| #define IDX_MIXER_MIC 0x0c |
| #define MIXER_MIC_MICGAIN_20DB_ENHANCEMENT_MASK 0x0040 |
| #define IDX_MIXER_LINEIN 0x0e |
| #define IDX_MIXER_CDAUDIO 0x10 |
| #define IDX_MIXER_VIDEO 0x12 |
| #define IDX_MIXER_AUX 0x14 |
| #define IDX_MIXER_WAVEOUT 0x16 |
| #define IDX_MIXER_FMSYNTH 0x18 |
| #define IDX_MIXER_REC_SELECT 0x1a |
| #define MIXER_REC_SELECT_MIC 0x00 |
| #define MIXER_REC_SELECT_CD 0x01 |
| #define MIXER_REC_SELECT_VIDEO 0x02 |
| #define MIXER_REC_SELECT_AUX 0x03 |
| #define MIXER_REC_SELECT_LINEIN 0x04 |
| #define MIXER_REC_SELECT_MIXSTEREO 0x05 |
| #define MIXER_REC_SELECT_MIXMONO 0x06 |
| #define MIXER_REC_SELECT_MONOIN 0x07 |
| #define IDX_MIXER_REC_VOLUME 0x1c |
| #define IDX_MIXER_ADVCTL1 0x1e |
| /* unlisted bits are unmodifiable */ |
| #define MIXER_ADVCTL1_3DWIDTH_MASK 0x000e |
| #define MIXER_ADVCTL1_HIFI3D_MASK 0x0300 /* yup, this is missing the high bit that official AC97 contains, plus it doesn't have linear bit value range behaviour but instead acts weirdly (possibly we're dealing with two *different* 3D settings here??) */ |
| #define IDX_MIXER_ADVCTL2 0x20 /* subset of AC97_GENERAL_PURPOSE reg! */ |
| /* unlisted bits are unmodifiable */ |
| #define MIXER_ADVCTL2_LPBK 0x0080 /* Loopback mode -- Win driver: "WaveOut3DBypass"? mutes WaveOut at LineOut */ |
| #define MIXER_ADVCTL2_MS 0x0100 /* Mic Select 0=Mic1, 1=Mic2 -- Win driver: "ModemOutSelect"?? */ |
| #define MIXER_ADVCTL2_MIX 0x0200 /* Mono output select 0=Mix, 1=Mic; Win driver: "MonoSelectSource"?? */ |
| #define MIXER_ADVCTL2_3D 0x2000 /* 3D Enhancement 1=on */ |
| #define MIXER_ADVCTL2_POP 0x8000 /* Pcm Out Path, 0=pre 3D, 1=post 3D */ |
| |
| #define IDX_MIXER_SOMETHING30H 0x30 /* used, but unknown??? */ |
| |
| /* driver internal flags */ |
| #define SET_CHAN_LEFT 1 |
| #define SET_CHAN_RIGHT 2 |
| |
| #endif /* __SOUND_AZT3328_H */ |
