diff options
Diffstat (limited to 'sound/pci/azt3328.h')
| -rw-r--r-- | sound/pci/azt3328.h | 135 |
1 files changed, 72 insertions, 63 deletions
diff --git a/sound/pci/azt3328.h b/sound/pci/azt3328.h index 7e0e791..f489bda 100644 --- a/sound/pci/azt3328.h +++ b/sound/pci/azt3328.h @@ -1,19 +1,17 @@ -#ifndef __SOUND_AZF3328_H -#define __SOUND_AZF3328_H +#ifndef __SOUND_AZT3328_H +#define __SOUND_AZT3328_H -/* type argument to use for the I/O functions */ -#define WORD_VALUE 0x1000 -#define DWORD_VALUE 0x2000 -#define BYTE_VALUE 0x4000 +/* "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) */ -/* the driver initialisation suggests a layout of 3 main areas: - * from 0x00 (playback), from 0x20 (recording) and from 0x40 (maybe DirectX - * timer ???). and probably another area from 0x60 to 0x6f - * (IRQ management, power management etc. ???). */ -/* playback area */ -#define IDX_IO_PLAY_FLAGS 0x00 +/* 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 */ @@ -29,7 +27,7 @@ #define DMA_EPILOGUE_SOMETHING 0x0010 #define DMA_SOMETHING_ELSE 0x0020 /* ??? */ #define SOMETHING_UNMODIFIABLE 0xffc0 /* unused ? not modifiable */ -#define IDX_IO_PLAY_IRQMASK 0x02 +#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 @@ -41,36 +39,39 @@ #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 */ -#define IDX_IO_PLAY_DMA_START_2 0x08 /* start address of 2nd DMA play area */ -#define IDX_IO_PLAY_DMA_LEN_1 0x0c /* length of 1st DMA play area */ -#define IDX_IO_PLAY_DMA_LEN_2 0x0e /* length of 2nd DMA play area */ -#define IDX_IO_PLAY_DMA_CURRPOS 0x10 /* current DMA position */ -#define IDX_IO_PLAY_DMA_CURROFS 0x14 /* offset within current DMA play area */ -#define IDX_IO_PLAY_SOUNDFORMAT 0x16 +#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 - #define SOUNDFORMAT_FREQ_SUSPECTED_4800 0x0a - #define SOUNDFORMAT_FREQ_5510 0x0d - #define SOUNDFORMAT_FREQ_6620 0x0b - #define SOUNDFORMAT_FREQ_8000 0x00 /* also 0x0e ? */ - #define SOUNDFORMAT_FREQ_9600 0x08 - #define SOUNDFORMAT_FREQ_SUSPECTED_12000 0x09 - #define SOUNDFORMAT_FREQ_11025 0x01 /* also 0x0f ? */ - #define SOUNDFORMAT_FREQ_16000 0x02 - #define SOUNDFORMAT_FREQ_22050 0x03 - #define SOUNDFORMAT_FREQ_32000 0x04 - #define SOUNDFORMAT_FREQ_44100 0x05 - #define SOUNDFORMAT_FREQ_48000 0x06 - #define SOUNDFORMAT_FREQ_SUSPECTED_64000 0x07 + #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 /* ?? */ -#define IDX_IO_REC_IRQMASK 0x22 /* ?? */ + +/** 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 */ @@ -78,39 +79,47 @@ * 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 -#define IDX_IO_REC_DMA_START_2 0x28 -#define IDX_IO_REC_DMA_LEN_1 0x2c -#define IDX_IO_REC_DMA_LEN_2 0x2e -#define IDX_IO_REC_DMA_CURRPOS 0x30 -#define IDX_IO_REC_DMA_CURROFS 0x34 -#define IDX_IO_REC_SOUNDFORMAT 0x36 -/* some third area ? (after playback and recording) */ -#define IDX_IO_SOMETHING_FLAGS 0x40 /* gets set to 0x34 just like port 0x0 and 0x20 on card init */ +#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?? (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_60H 0x60 /* writing 0xffff returns 0xffff */ -#define IDX_IO_62H 0x62 /* writing to WORD 0x0062 can hang the box ! --> responsible for IRQ management as a whole ?? */ -#define IDX_IO_IRQ63H 0x63 /* FIXME !! */ - #define IO_IRQ63H_SOMETHING 0x04 /* being set in IRQ handler in case port 0x00 had 0x0020 set upon IRQ handler */ +#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_SOMEIRQ 0x0020 /* ???? */ - #define IRQ_WHO_KNOWS_UNUSED 0x00e0 /* probably unused */ + #define IRQ_TIMER 0x0020 /* DirectX timer */ + #define IRQ_UNKNOWN1 0x0040 /* probably unused */ + #define IRQ_UNKNOWN2 0x0080 /* probably unused */ #define IDX_IO_66H 0x66 /* writing 0xffff returns 0x0000 */ -#define IDX_IO_SOME_VALUE 0x68 /* this is always set to 0x3ff, and writable; maybe some buffer limit, but I couldn't find out more */ -#define IDX_IO_6AH 0x6A /* this WORD can be set to have bits 0x0028 activated; actually inhibits PCM playback !!! maybe power management ?? */ -#define IDX_IO_6CH 0x6C /* this WORD can have all its bits activated ? */ +#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; actually inhibits PCM playback!!! maybe power management?? */ +#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 IDX_IO2_LEGACY_ADDR 0x04 - #define LEGACY_SOMETHING 0x01 /* OPL3 ?? */ + #define LEGACY_SOMETHING 0x01 /* OPL3?? */ #define LEGACY_JOY 0x08 + /*** mixer I/O area port indices ***/ /* (only 0x22 of 0x40 bytes saved/restored by Windows driver) * generally spoken: AC97 register index = AZF3328 mixer reg index + 2 @@ -148,18 +157,18 @@ /* unlisted bits are unmodifiable */ #define MIXER_ADVCTL1_3DWIDTH_MASK 0x000e #define MIXER_ADVCTL1_HIFI3D_MASK 0x0300 -#define IDX_MIXER_ADVCTL2 0x20 /* resembles AC97_GENERAL_PURPOSE reg ! */ +#define IDX_MIXER_ADVCTL2 0x20 /* resembles AC97_GENERAL_PURPOSE reg! */ /* unlisted bits are unmodifiable */ - #define MIXER_ADVCTL2_BIT7 0x0080 /* WaveOut 3D Bypass ? mutes WaveOut at LineOut */ - #define MIXER_ADVCTL2_BIT8 0x0100 /* is this Modem Out Select ? */ - #define MIXER_ADVCTL2_BIT9 0x0200 /* Mono Select Source ? */ - #define MIXER_ADVCTL2_BIT13 0x2000 /* 3D enable ? */ + #define MIXER_ADVCTL2_BIT7 0x0080 /* WaveOut 3D Bypass? mutes WaveOut at LineOut */ + #define MIXER_ADVCTL2_BIT8 0x0100 /* is this Modem Out Select? */ + #define MIXER_ADVCTL2_BIT9 0x0200 /* Mono Select Source? */ + #define MIXER_ADVCTL2_BIT13 0x2000 /* 3D enable? */ #define MIXER_ADVCTL2_BIT15 0x8000 /* unknown */ -#define IDX_MIXER_SOMETHING30H 0x30 /* used, but unknown ??? */ +#define IDX_MIXER_SOMETHING30H 0x30 /* used, but unknown??? */ /* driver internal flags */ #define SET_CHAN_LEFT 1 #define SET_CHAN_RIGHT 2 -#endif /* __SOUND_AZF3328_H */ +#endif /* __SOUND_AZT3328_H */ |
