344 строки
16 KiB
C
344 строки
16 KiB
C
#ifndef __SOUND_AZT3328_H
|
|
#define __SOUND_AZT3328_H
|
|
|
|
/* "PU" == "power-up value", as tested on PCI168 PCI rev. 10
|
|
* "WRITE_ONLY" == register does not indicate actual bit values */
|
|
|
|
/*** 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.
|
|
* All we know is that the crystal used on the board has 24.576MHz,
|
|
* like many soundcards (which results in the frequencies below when
|
|
* using certain divider values selected by the values below) */
|
|
#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
|
|
|
|
/* define frequency helpers, for maximum value safety */
|
|
enum azf_freq_t {
|
|
#define AZF_FREQ(rate) AZF_FREQ_##rate = rate
|
|
AZF_FREQ(4000),
|
|
AZF_FREQ(4800),
|
|
AZF_FREQ(5512),
|
|
AZF_FREQ(6620),
|
|
AZF_FREQ(8000),
|
|
AZF_FREQ(9600),
|
|
AZF_FREQ(11025),
|
|
AZF_FREQ(13240),
|
|
AZF_FREQ(16000),
|
|
AZF_FREQ(22050),
|
|
AZF_FREQ(32000),
|
|
AZF_FREQ(44100),
|
|
AZF_FREQ(48000),
|
|
AZF_FREQ(66200),
|
|
#undef AZF_FREQ
|
|
} AZF_FREQUENCIES;
|
|
|
|
/** 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 :-) */
|
|
/* timer countdown value; triggers IRQ when timer is finished */
|
|
#define TIMER_VALUE_MASK 0x000fffffUL
|
|
/* activate timer countdown */
|
|
#define TIMER_COUNTDOWN_ENABLE 0x01000000UL
|
|
/* trigger timer IRQ on zero transition */
|
|
#define TIMER_IRQ_ENABLE 0x02000000UL
|
|
/* being set in IRQ handler in case port 0x00 (hmm, not port 0x64!?!?)
|
|
* had 0x0020 set upon IRQ handler */
|
|
#define TIMER_IRQ_ACK 0x04000000UL
|
|
#define IDX_IO_IRQSTATUS 0x64
|
|
/* some IRQ bit in here might also be used to signal a power-management timer
|
|
* timeout, to request shutdown of the chip (e.g. AD1815JS has such a thing).
|
|
* Some OPL3 hardware (e.g. in LM4560) has some special timer hardware which
|
|
* can trigger an OPL3 timer IRQ, so maybe there's such a thing as well... */
|
|
|
|
#define IRQ_PLAYBACK 0x0001
|
|
#define IRQ_RECORDING 0x0002
|
|
#define IRQ_UNKNOWN1 0x0004 /* most probably I2S port */
|
|
#define IRQ_GAMEPORT 0x0008 /* Interrupt of Digital(ly) Enhanced Game Port */
|
|
#define IRQ_MPU401 0x0010
|
|
#define IRQ_TIMER 0x0020 /* DirectX timer */
|
|
#define IRQ_UNKNOWN2 0x0040 /* probably unused, or possibly I2S port? */
|
|
#define IRQ_UNKNOWN3 0x0080 /* probably unused, or possibly I2S port? */
|
|
#define IDX_IO_66H 0x66 /* writing 0xffff returns 0x0000 */
|
|
/* 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_SOME_VALUE 0x68
|
|
#define IO_68_RANDOM_TOGGLE1 0x0100 /* toggles randomly */
|
|
#define IO_68_RANDOM_TOGGLE2 0x0200 /* toggles randomly */
|
|
/* umm, nope, behaviour of these bits changes depending on what we wrote
|
|
* to 0x6b!!
|
|
* And they change upon playback/stop, too:
|
|
* Writing a value to 0x68 will display this exact value during playback,
|
|
* too but when stopped it can fall back to a rather different
|
|
* seemingly random value). Hmm, possibly this is a register which
|
|
* has a remote shadow which needs proper device supply which only exists
|
|
* in case playback is active? Or is this driver-induced?
|
|
*/
|
|
|
|
/* this WORD can be set to have bits 0x0028 activated (FIXME: correct??);
|
|
* actually inhibits PCM playback!!! maybe power management??: */
|
|
#define IDX_IO_6AH 0x6A /* WRITE_ONLY! */
|
|
/* bit 5: enabling this will activate permanent counting of bytes 2/3
|
|
* at gameport I/O (0xb402/3) (equal values each) and cause
|
|
* gameport legacy I/O at 0x0200 to be _DISABLED_!
|
|
* Is this Digital Enhanced Game Port Enable??? Or maybe it's Testmode
|
|
* for Enhanced Digital Gameport (see 4D Wave DX card): */
|
|
#define IO_6A_SOMETHING1_GAMEPORT 0x0020
|
|
/* bit 8; sure, this _pauses_ playback (later resumes at same spot!),
|
|
* but what the heck is this really about??: */
|
|
#define IO_6A_PAUSE_PLAYBACK_BIT8 0x0100
|
|
/* bit 9; sure, this _pauses_ playback (later resumes at same spot!),
|
|
* but what the heck is this really about??: */
|
|
#define IO_6A_PAUSE_PLAYBACK_BIT9 0x0200
|
|
/* BIT8 and BIT9 are _NOT_ able to affect OPL3 MIDI playback,
|
|
* thus it suggests influence on PCM only!!
|
|
* However OTOH there seems to be no bit anywhere around here
|
|
* which is able to disable OPL3... */
|
|
/* bit 10: enabling this actually changes values at legacy gameport
|
|
* I/O address (0x200); is this enabling of the Digital Enhanced Game Port???
|
|
* Or maybe this simply switches off the NE558 circuit, since enabling this
|
|
* still lets us evaluate button states, but not axis states */
|
|
#define IO_6A_SOMETHING2_GAMEPORT 0x0400
|
|
/* writing 0x0300: causes quite some crackling during
|
|
* PC activity such as switching windows (PCI traffic??
|
|
* --> FIFO/timing settings???) */
|
|
/* writing 0x0100 plus/or 0x0200 inhibits playback */
|
|
/* since the Windows .INF file has Flag_Enable_JoyStick and
|
|
* Flag_Enable_SB_DOS_Emulation directly together, it stands to reason
|
|
* that some other bit in this same register might be responsible
|
|
* for SB DOS Emulation activation (note that the file did NOT define
|
|
* a switch for OPL3!) */
|
|
#define IDX_IO_6CH 0x6C /* unknown; fully read-writable */
|
|
#define IDX_IO_6EH 0x6E
|
|
/* writing 0xffff returns 0x83fe (or 0x03fe only).
|
|
* writing 0x83 (and only 0x83!!) to 0x6f will cause 0x6c to switch
|
|
* from 0000 to ffff. */
|
|
|
|
/* further I/O indices not saved/restored and not readable after writing,
|
|
* so probably not used */
|
|
|
|
|
|
/*** Gameport area port indices ***/
|
|
/* (only 0x06 of 0x08 bytes saved/restored by Windows driver) */
|
|
#define AZF_IO_SIZE_GAME 0x08
|
|
#define AZF_IO_SIZE_GAME_PM 0x06
|
|
|
|
enum {
|
|
AZF_GAME_LEGACY_IO_PORT = 0x200
|
|
} AZF_GAME_CONFIGS;
|
|
|
|
#define IDX_GAME_LEGACY_COMPATIBLE 0x00
|
|
/* in some operation mode, writing anything to this port
|
|
* triggers an interrupt:
|
|
* yup, that's in case IDX_GAME_01H has one of the
|
|
* axis measurement bits enabled
|
|
* (and of course one needs to have GAME_HWCFG_IRQ_ENABLE, too) */
|
|
|
|
#define IDX_GAME_AXES_CONFIG 0x01
|
|
/* NOTE: layout of this register awfully similar (read: "identical??")
|
|
* to AD1815JS.pdf (p.29) */
|
|
|
|
/* enables axis 1 (X axis) measurement: */
|
|
#define GAME_AXES_ENABLE_1 0x01
|
|
/* enables axis 2 (Y axis) measurement: */
|
|
#define GAME_AXES_ENABLE_2 0x02
|
|
/* enables axis 3 (X axis) measurement: */
|
|
#define GAME_AXES_ENABLE_3 0x04
|
|
/* enables axis 4 (Y axis) measurement: */
|
|
#define GAME_AXES_ENABLE_4 0x08
|
|
/* selects the current axis to read the measured value of
|
|
* (at IDX_GAME_AXIS_VALUE):
|
|
* 00 = axis 1, 01 = axis 2, 10 = axis 3, 11 = axis 4: */
|
|
#define GAME_AXES_READ_MASK 0x30
|
|
/* enable to have the latch continuously accept ADC values
|
|
* (and continuously cause interrupts in case interrupts are enabled);
|
|
* AD1815JS.pdf says it's ~16ms interval there: */
|
|
#define GAME_AXES_LATCH_ENABLE 0x40
|
|
/* joystick data (measured axes) ready for reading: */
|
|
#define GAME_AXES_SAMPLING_READY 0x80
|
|
|
|
/* NOTE: other card specs (SiS960 and others!) state that the
|
|
* game position latches should be frozen when reading and be freed
|
|
* (== reset?) after reading!!!
|
|
* Freezing most likely means disabling 0x40 (GAME_AXES_LATCH_ENABLE),
|
|
* but how to free the value? */
|
|
/* An internet search for "gameport latch ADC" should provide some insight
|
|
* into how to program such a gameport system. */
|
|
|
|
/* writing 0xf0 to 01H once reset both counters to 0, in some special mode!?
|
|
* yup, in case 6AH 0x20 is not enabled
|
|
* (and 0x40 is sufficient, 0xf0 is not needed) */
|
|
|
|
#define IDX_GAME_AXIS_VALUE 0x02
|
|
/* R: value of currently configured axis (word value!);
|
|
* W: trigger axis measurement */
|
|
|
|
#define IDX_GAME_HWCONFIG 0x04
|
|
/* note: bits 4 to 7 are never set (== 0) when reading!
|
|
* --> reserved bits? */
|
|
/* enables IRQ notification upon axes measurement ready: */
|
|
#define GAME_HWCFG_IRQ_ENABLE 0x01
|
|
/* these bits choose a different frequency for the
|
|
* internal ADC counter increment.
|
|
* hmm, seems to be a combo of bits:
|
|
* 00 --> standard frequency
|
|
* 10 --> 1/2
|
|
* 01 --> 1/20
|
|
* 11 --> 1/200: */
|
|
#define GAME_HWCFG_ADC_COUNTER_FREQ_MASK 0x06
|
|
|
|
/* enable gameport legacy I/O address (0x200)
|
|
* I was unable to locate any configurability for a different address: */
|
|
#define GAME_HWCFG_LEGACY_ADDRESS_ENABLE 0x08
|
|
|
|
/*** MPU401 ***/
|
|
#define AZF_IO_SIZE_MPU 0x04
|
|
#define AZF_IO_SIZE_MPU_PM 0x04
|
|
|
|
/*** OPL3 synth ***/
|
|
#define AZF_IO_SIZE_OPL3 0x08
|
|
#define AZF_IO_SIZE_OPL3_PM 0x06
|
|
/* hmm, given that a standard OPL3 has 4 registers only,
|
|
* there might be some enhanced functionality lurking at the end
|
|
* (especially since register 0x04 has a "non-empty" value 0xfe) */
|
|
|
|
/*** 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 */
|