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e24a121aa1
- change 'PCM' mixer control (pre/post 3D) to 'PCM Output Route' - improve snd_azf3328_debug_show_ports - less aggressive module init message - document Bass/Treble non-bug (prompted by user report - Thank You!!) - add some items to card description - add some I/O register documentation - enhance copyright Signed-off-by: Andreas Mohr <andi@lisas.de> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
189 lines
9.9 KiB
C
189 lines
9.9 KiB
C
#ifndef __SOUND_AZT3328_H
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#define __SOUND_AZT3328_H
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/* "PU" == "power-up value", as tested on PCI168 PCI rev. 10 */
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/*** main I/O area port indices ***/
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/* (only 0x70 of 0x80 bytes saved/restored by Windows driver) */
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#define AZF_IO_SIZE_CODEC 0x80
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#define AZF_IO_SIZE_CODEC_PM 0x70
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/* the driver initialisation suggests a layout of 4 main areas:
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* from 0x00 (playback), from 0x20 (recording) and from 0x40 (maybe MPU401??).
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* And another area from 0x60 to 0x6f (DirectX timer, IRQ management,
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* power management etc.???). */
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/** playback area **/
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#define IDX_IO_PLAY_FLAGS 0x00 /* PU:0x0000 */
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/* able to reactivate output after output muting due to 8/16bit
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* output change, just like 0x0002.
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* 0x0001 is the only bit that's able to start the DMA counter */
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#define DMA_RESUME 0x0001 /* paused if cleared ? */
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/* 0x0002 *temporarily* set during DMA stopping. hmm
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* both 0x0002 and 0x0004 set in playback setup. */
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/* able to reactivate output after output muting due to 8/16bit
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* output change, just like 0x0001. */
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#define DMA_PLAY_SOMETHING1 0x0002 /* \ alternated (toggled) */
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/* 0x0004: NOT able to reactivate output */
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#define DMA_PLAY_SOMETHING2 0x0004 /* / bits */
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#define SOMETHING_ALMOST_ALWAYS_SET 0x0008 /* ???; can be modified */
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#define DMA_EPILOGUE_SOMETHING 0x0010
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#define DMA_SOMETHING_ELSE 0x0020 /* ??? */
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#define SOMETHING_UNMODIFIABLE 0xffc0 /* unused ? not modifiable */
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#define IDX_IO_PLAY_IRQTYPE 0x02 /* PU:0x0001 */
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/* write back to flags in case flags are set, in order to ACK IRQ in handler
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* (bit 1 of port 0x64 indicates interrupt for one of these three types)
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* sometimes in this case it just writes 0xffff to globally ACK all IRQs
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* settings written are not reflected when reading back, though.
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* seems to be IRQ, too (frequently used: port |= 0x07 !), but who knows ? */
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#define IRQ_PLAY_SOMETHING 0x0001 /* something & ACK */
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#define IRQ_FINISHED_PLAYBUF_1 0x0002 /* 1st dmabuf finished & ACK */
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#define IRQ_FINISHED_PLAYBUF_2 0x0004 /* 2nd dmabuf finished & ACK */
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#define IRQMASK_SOME_STATUS_1 0x0008 /* \ related bits */
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#define IRQMASK_SOME_STATUS_2 0x0010 /* / (checked together in loop) */
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#define IRQMASK_UNMODIFIABLE 0xffe0 /* unused ? not modifiable */
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#define IDX_IO_PLAY_DMA_START_1 0x04 /* start address of 1st DMA play area, PU:0x00000000 */
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#define IDX_IO_PLAY_DMA_START_2 0x08 /* start address of 2nd DMA play area, PU:0x00000000 */
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#define IDX_IO_PLAY_DMA_LEN_1 0x0c /* length of 1st DMA play area, PU:0x0000 */
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#define IDX_IO_PLAY_DMA_LEN_2 0x0e /* length of 2nd DMA play area, PU:0x0000 */
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#define IDX_IO_PLAY_DMA_CURRPOS 0x10 /* current DMA position, PU:0x00000000 */
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#define IDX_IO_PLAY_DMA_CURROFS 0x14 /* offset within current DMA play area, PU:0x0000 */
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#define IDX_IO_PLAY_SOUNDFORMAT 0x16 /* PU:0x0010 */
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/* all unspecified bits can't be modified */
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#define SOUNDFORMAT_FREQUENCY_MASK 0x000f
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#define SOUNDFORMAT_XTAL1 0x00
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#define SOUNDFORMAT_XTAL2 0x01
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/* all _SUSPECTED_ values are not used by Windows drivers, so we don't
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* have any hard facts, only rough measurements */
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#define SOUNDFORMAT_FREQ_SUSPECTED_4000 0x0c | SOUNDFORMAT_XTAL1
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#define SOUNDFORMAT_FREQ_SUSPECTED_4800 0x0a | SOUNDFORMAT_XTAL1
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#define SOUNDFORMAT_FREQ_5510 0x0c | SOUNDFORMAT_XTAL2
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#define SOUNDFORMAT_FREQ_6620 0x0a | SOUNDFORMAT_XTAL2
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#define SOUNDFORMAT_FREQ_8000 0x00 | SOUNDFORMAT_XTAL1 /* also 0x0e | SOUNDFORMAT_XTAL1? */
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#define SOUNDFORMAT_FREQ_9600 0x08 | SOUNDFORMAT_XTAL1
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#define SOUNDFORMAT_FREQ_11025 0x00 | SOUNDFORMAT_XTAL2 /* also 0x0e | SOUNDFORMAT_XTAL2? */
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#define SOUNDFORMAT_FREQ_SUSPECTED_13240 0x08 | SOUNDFORMAT_XTAL2 /* seems to be 6620 *2 */
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#define SOUNDFORMAT_FREQ_16000 0x02 | SOUNDFORMAT_XTAL1
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#define SOUNDFORMAT_FREQ_22050 0x02 | SOUNDFORMAT_XTAL2
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#define SOUNDFORMAT_FREQ_32000 0x04 | SOUNDFORMAT_XTAL1
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#define SOUNDFORMAT_FREQ_44100 0x04 | SOUNDFORMAT_XTAL2
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#define SOUNDFORMAT_FREQ_48000 0x06 | SOUNDFORMAT_XTAL1
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#define SOUNDFORMAT_FREQ_SUSPECTED_66200 0x06 | SOUNDFORMAT_XTAL2 /* 66200 (13240 * 5); 64000 may have been nicer :-\ */
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#define SOUNDFORMAT_FLAG_16BIT 0x0010
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#define SOUNDFORMAT_FLAG_2CHANNELS 0x0020
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/** recording area (see also: playback bit flag definitions) **/
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#define IDX_IO_REC_FLAGS 0x20 /* ??, PU:0x0000 */
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#define IDX_IO_REC_IRQTYPE 0x22 /* ??, PU:0x0000 */
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#define IRQ_REC_SOMETHING 0x0001 /* something & ACK */
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#define IRQ_FINISHED_RECBUF_1 0x0002 /* 1st dmabuf finished & ACK */
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#define IRQ_FINISHED_RECBUF_2 0x0004 /* 2nd dmabuf finished & ACK */
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/* hmm, maybe these are just the corresponding *recording* flags ?
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* but OTOH they are most likely at port 0x22 instead */
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#define IRQMASK_SOME_STATUS_1 0x0008 /* \ related bits */
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#define IRQMASK_SOME_STATUS_2 0x0010 /* / (checked together in loop) */
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#define IDX_IO_REC_DMA_START_1 0x24 /* PU:0x00000000 */
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#define IDX_IO_REC_DMA_START_2 0x28 /* PU:0x00000000 */
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#define IDX_IO_REC_DMA_LEN_1 0x2c /* PU:0x0000 */
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#define IDX_IO_REC_DMA_LEN_2 0x2e /* PU:0x0000 */
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#define IDX_IO_REC_DMA_CURRPOS 0x30 /* PU:0x00000000 */
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#define IDX_IO_REC_DMA_CURROFS 0x34 /* PU:0x00000000 */
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#define IDX_IO_REC_SOUNDFORMAT 0x36 /* PU:0x0000 */
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/** hmm, what is this I/O area for? MPU401?? or external DAC via I2S?? (after playback, recording, ???, timer) **/
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#define IDX_IO_SOMETHING_FLAGS 0x40 /* gets set to 0x34 just like port 0x0 and 0x20 on card init, PU:0x0000 */
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/* general */
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#define IDX_IO_42H 0x42 /* PU:0x0001 */
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/** DirectX timer, main interrupt area (FIXME: and something else?) **/
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#define IDX_IO_TIMER_VALUE 0x60 /* found this timer area by pure luck :-) */
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#define TIMER_VALUE_MASK 0x000fffffUL /* timer countdown value; triggers IRQ when timer is finished */
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#define TIMER_ENABLE_COUNTDOWN 0x01000000UL /* activate the timer countdown */
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#define TIMER_ENABLE_IRQ 0x02000000UL /* trigger timer IRQ on zero transition */
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#define TIMER_ACK_IRQ 0x04000000UL /* being set in IRQ handler in case port 0x00 (hmm, not port 0x64!?!?) had 0x0020 set upon IRQ handler */
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#define IDX_IO_IRQSTATUS 0x64
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#define IRQ_PLAYBACK 0x0001
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#define IRQ_RECORDING 0x0002
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#define IRQ_MPU401 0x0010
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#define IRQ_TIMER 0x0020 /* DirectX timer */
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#define IRQ_UNKNOWN1 0x0040 /* probably unused, or possibly I2S port? or gameport IRQ? */
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#define IRQ_UNKNOWN2 0x0080 /* probably unused, or possibly I2S port? or gameport IRQ? */
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#define IDX_IO_66H 0x66 /* writing 0xffff returns 0x0000 */
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#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 */
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#define IDX_IO_6AH 0x6A /* this WORD can be set to have bits 0x0028 activated (FIXME: correct??); actually inhibits PCM playback!!! maybe power management?? */
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#define IO_6A_PAUSE_PLAYBACK 0x0200 /* bit 9; sure, this pauses playback, but what the heck is this really about?? */
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#define IDX_IO_6CH 0x6C
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#define IDX_IO_6EH 0x6E /* writing 0xffff returns 0x83fe */
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/* further I/O indices not saved/restored, so probably not used */
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/*** I/O 2 area port indices ***/
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/* (only 0x06 of 0x08 bytes saved/restored by Windows driver) */
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#define AZF_IO_SIZE_IO2 0x08
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#define AZF_IO_SIZE_IO2_PM 0x06
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#define IDX_IO2_LEGACY_ADDR 0x04
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#define LEGACY_SOMETHING 0x01 /* OPL3?? */
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#define LEGACY_JOY 0x08
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#define AZF_IO_SIZE_MPU 0x04
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#define AZF_IO_SIZE_MPU_PM 0x04
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#define AZF_IO_SIZE_SYNTH 0x08
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#define AZF_IO_SIZE_SYNTH_PM 0x06
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/*** mixer I/O area port indices ***/
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/* (only 0x22 of 0x40 bytes saved/restored by Windows driver)
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* UNFORTUNATELY azf3328 is NOT truly AC97 compliant: see main file intro */
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#define AZF_IO_SIZE_MIXER 0x40
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#define AZF_IO_SIZE_MIXER_PM 0x22
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#define MIXER_VOLUME_RIGHT_MASK 0x001f
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#define MIXER_VOLUME_LEFT_MASK 0x1f00
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#define MIXER_MUTE_MASK 0x8000
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#define IDX_MIXER_RESET 0x00 /* does NOT seem to have AC97 ID bits */
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#define IDX_MIXER_PLAY_MASTER 0x02
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#define IDX_MIXER_MODEMOUT 0x04
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#define IDX_MIXER_BASSTREBLE 0x06
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#define MIXER_BASSTREBLE_TREBLE_VOLUME_MASK 0x000e
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#define MIXER_BASSTREBLE_BASS_VOLUME_MASK 0x0e00
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#define IDX_MIXER_PCBEEP 0x08
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#define IDX_MIXER_MODEMIN 0x0a
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#define IDX_MIXER_MIC 0x0c
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#define MIXER_MIC_MICGAIN_20DB_ENHANCEMENT_MASK 0x0040
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#define IDX_MIXER_LINEIN 0x0e
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#define IDX_MIXER_CDAUDIO 0x10
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#define IDX_MIXER_VIDEO 0x12
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#define IDX_MIXER_AUX 0x14
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#define IDX_MIXER_WAVEOUT 0x16
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#define IDX_MIXER_FMSYNTH 0x18
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#define IDX_MIXER_REC_SELECT 0x1a
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#define MIXER_REC_SELECT_MIC 0x00
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#define MIXER_REC_SELECT_CD 0x01
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#define MIXER_REC_SELECT_VIDEO 0x02
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#define MIXER_REC_SELECT_AUX 0x03
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#define MIXER_REC_SELECT_LINEIN 0x04
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#define MIXER_REC_SELECT_MIXSTEREO 0x05
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#define MIXER_REC_SELECT_MIXMONO 0x06
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#define MIXER_REC_SELECT_MONOIN 0x07
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#define IDX_MIXER_REC_VOLUME 0x1c
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#define IDX_MIXER_ADVCTL1 0x1e
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/* unlisted bits are unmodifiable */
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#define MIXER_ADVCTL1_3DWIDTH_MASK 0x000e
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#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??) */
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#define IDX_MIXER_ADVCTL2 0x20 /* subset of AC97_GENERAL_PURPOSE reg! */
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/* unlisted bits are unmodifiable */
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#define MIXER_ADVCTL2_LPBK 0x0080 /* Loopback mode -- Win driver: "WaveOut3DBypass"? mutes WaveOut at LineOut */
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#define MIXER_ADVCTL2_MS 0x0100 /* Mic Select 0=Mic1, 1=Mic2 -- Win driver: "ModemOutSelect"?? */
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#define MIXER_ADVCTL2_MIX 0x0200 /* Mono output select 0=Mix, 1=Mic; Win driver: "MonoSelectSource"?? */
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#define MIXER_ADVCTL2_3D 0x2000 /* 3D Enhancement 1=on */
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#define MIXER_ADVCTL2_POP 0x8000 /* Pcm Out Path, 0=pre 3D, 1=post 3D */
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#define IDX_MIXER_SOMETHING30H 0x30 /* used, but unknown??? */
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/* driver internal flags */
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#define SET_CHAN_LEFT 1
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#define SET_CHAN_RIGHT 2
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#endif /* __SOUND_AZT3328_H */
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