1 #ifndef __SOUND_AZF3328_H 2 #define __SOUND_AZF3328_H 3 4 /* type argument to use for the I/O functions */ 5 #define WORD_VALUE 0x1000 6 #define DWORD_VALUE 0x2000 7 #define BYTE_VALUE 0x4000 8 9 /*** main I/O area port indices ***/ 10 /* (only 0x70 of 0x80 bytes saved/restored by Windows driver) */ 11 /* the driver initialisation suggests a layout of 3 main areas: 12 * from 0x00 (playback), from 0x20 (recording) and from 0x40 (maybe DirectX 13 * timer ???). and probably another area from 0x60 to 0x6f 14 * (IRQ management, power management etc. ???). */ 15 /* playback area */ 16 #define IDX_IO_PLAY_FLAGS 0x00 17 /* able to reactivate output after output muting due to 8/16bit 18 * output change, just like 0x0002. 19 * 0x0001 is the only bit that's able to start the DMA counter */ 20 #define DMA_RESUME 0x0001 /* paused if cleared ? */ 21 /* 0x0002 *temporarily* set during DMA stopping. hmm 22 * both 0x0002 and 0x0004 set in playback setup. */ 23 /* able to reactivate output after output muting due to 8/16bit 24 * output change, just like 0x0001. */ 25 #define DMA_PLAY_SOMETHING1 0x0002 /* \ alternated (toggled) */ 26 /* 0x0004: NOT able to reactivate output */ 27 #define DMA_PLAY_SOMETHING2 0x0004 /* / bits */ 28 #define SOMETHING_ALMOST_ALWAYS_SET 0x0008 /* ???; can be modified */ 29 #define DMA_EPILOGUE_SOMETHING 0x0010 30 #define DMA_SOMETHING_ELSE 0x0020 /* ??? */ 31 #define SOMETHING_UNMODIFIABLE 0xffc0 /* unused ? not modifiable */ 32 #define IDX_IO_PLAY_IRQMASK 0x02 33 /* write back to flags in case flags are set, in order to ACK IRQ in handler 34 * (bit 1 of port 0x64 indicates interrupt for one of these three types) 35 * sometimes in this case it just writes 0xffff to globally ACK all IRQs 36 * settings written are not reflected when reading back, though. 37 * seems to be IRQ, too (frequently used: port |= 0x07 !), but who knows ? */ 38 #define IRQ_PLAY_SOMETHING 0x0001 /* something & ACK */ 39 #define IRQ_FINISHED_PLAYBUF_1 0x0002 /* 1st dmabuf finished & ACK */ 40 #define IRQ_FINISHED_PLAYBUF_2 0x0004 /* 2nd dmabuf finished & ACK */ 41 #define IRQMASK_SOME_STATUS_1 0x0008 /* \ related bits */ 42 #define IRQMASK_SOME_STATUS_2 0x0010 /* / (checked together in loop) */ 43 #define IRQMASK_UNMODIFIABLE 0xffe0 /* unused ? not modifiable */ 44 #define IDX_IO_PLAY_DMA_START_1 0x04 /* start address of 1st DMA play area */ 45 #define IDX_IO_PLAY_DMA_START_2 0x08 /* start address of 2nd DMA play area */ 46 #define IDX_IO_PLAY_DMA_LEN_1 0x0c /* length of 1st DMA play area */ 47 #define IDX_IO_PLAY_DMA_LEN_2 0x0e /* length of 2nd DMA play area */ 48 #define IDX_IO_PLAY_DMA_CURRPOS 0x10 /* current DMA position */ 49 #define IDX_IO_PLAY_DMA_CURROFS 0x14 /* offset within current DMA play area */ 50 #define IDX_IO_PLAY_SOUNDFORMAT 0x16 51 /* all unspecified bits can't be modified */ 52 #define SOUNDFORMAT_FREQUENCY_MASK 0x000f 53 /* all _SUSPECTED_ values are not used by Windows drivers, so we don't 54 * have any hard facts, only rough measurements */ 55 #define SOUNDFORMAT_FREQ_SUSPECTED_4000 0x0c 56 #define SOUNDFORMAT_FREQ_SUSPECTED_4800 0x0a 57 #define SOUNDFORMAT_FREQ_5510 0x0d 58 #define SOUNDFORMAT_FREQ_6620 0x0b 59 #define SOUNDFORMAT_FREQ_8000 0x00 /* also 0x0e ? */ 60 #define SOUNDFORMAT_FREQ_9600 0x08 61 #define SOUNDFORMAT_FREQ_SUSPECTED_12000 0x09 62 #define SOUNDFORMAT_FREQ_11025 0x01 /* also 0x0f ? */ 63 #define SOUNDFORMAT_FREQ_16000 0x02 64 #define SOUNDFORMAT_FREQ_22050 0x03 65 #define SOUNDFORMAT_FREQ_32000 0x04 66 #define SOUNDFORMAT_FREQ_44100 0x05 67 #define SOUNDFORMAT_FREQ_48000 0x06 68 #define SOUNDFORMAT_FREQ_SUSPECTED_64000 0x07 69 #define SOUNDFORMAT_FLAG_16BIT 0x0010 70 #define SOUNDFORMAT_FLAG_2CHANNELS 0x0020 71 /* recording area (see also: playback bit flag definitions) */ 72 #define IDX_IO_REC_FLAGS 0x20 /* ?? */ 73 #define IDX_IO_REC_IRQMASK 0x22 /* ?? */ 74 #define IRQ_REC_SOMETHING 0x0001 /* something & ACK */ 75 #define IRQ_FINISHED_RECBUF_1 0x0002 /* 1st dmabuf finished & ACK */ 76 #define IRQ_FINISHED_RECBUF_2 0x0004 /* 2nd dmabuf finished & ACK */ 77 /* hmm, maybe these are just the corresponding *recording* flags ? 78 * but OTOH they are most likely at port 0x22 instead */ 79 #define IRQMASK_SOME_STATUS_1 0x0008 /* \ related bits */ 80 #define IRQMASK_SOME_STATUS_2 0x0010 /* / (checked together in loop) */ 81 #define IDX_IO_REC_DMA_START_1 0x24 82 #define IDX_IO_REC_DMA_START_2 0x28 83 #define IDX_IO_REC_DMA_LEN_1 0x2c 84 #define IDX_IO_REC_DMA_LEN_2 0x2e 85 #define IDX_IO_REC_DMA_CURRPOS 0x30 86 #define IDX_IO_REC_DMA_CURROFS 0x34 87 #define IDX_IO_REC_SOUNDFORMAT 0x36 88 /* some third area ? (after playback and recording) */ 89 #define IDX_IO_SOMETHING_FLAGS 0x40 /* gets set to 0x34 just like port 0x0 and 0x20 on card init */ 90 /* general */ 91 #define IDX_IO_60H 0x60 /* writing 0xffff returns 0xffff */ 92 #define IDX_IO_62H 0x62 /* writing to WORD 0x0062 can hang the box ! --> responsible for IRQ management as a whole ?? */ 93 #define IDX_IO_IRQ63H 0x63 /* FIXME !! */ 94 #define IO_IRQ63H_SOMETHING 0x04 /* being set in IRQ handler in case port 0x00 had 0x0020 set upon IRQ handler */ 95 #define IDX_IO_IRQSTATUS 0x64 96 #define IRQ_PLAYBACK 0x0001 97 #define IRQ_RECORDING 0x0002 98 #define IRQ_MPU401 0x0010 99 #define IRQ_SOMEIRQ 0x0020 /* ???? */ 100 #define IRQ_WHO_KNOWS_UNUSED 0x00e0 /* probably unused */ 101 #define IDX_IO_66H 0x66 /* writing 0xffff returns 0x0000 */ 102 #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 */ 103 #define IDX_IO_6AH 0x6A /* this WORD can be set to have bits 0x0028 activated; actually inhibits PCM playback !!! maybe power management ?? */ 104 #define IDX_IO_6CH 0x6C /* this WORD can have all its bits activated ? */ 105 #define IDX_IO_6EH 0x6E /* writing 0xffff returns 0x83fe */ 106 /* further I/O indices not saved/restored, so probably not used */ 107 108 /*** I/O 2 area port indices ***/ 109 /* (only 0x06 of 0x08 bytes saved/restored by Windows driver) */ 110 #define IDX_IO2_LEGACY_ADDR 0x04 111 #define LEGACY_SOMETHING 0x01 /* OPL3 ?? */ 112 #define LEGACY_JOY 0x08 113 114 /*** mixer I/O area port indices ***/ 115 /* (only 0x22 of 0x40 bytes saved/restored by Windows driver) 116 * generally spoken: AC97 register index = AZF3328 mixer reg index + 2 117 * (in other words: AZF3328 NOT fully AC97 compliant) */ 118 #define MIXER_VOLUME_RIGHT_MASK 0x001f 119 #define MIXER_VOLUME_LEFT_MASK 0x1f00 120 #define MIXER_MUTE_MASK 0x8000 121 #define IDX_MIXER_RESET 0x00 /* does NOT seem to have AC97 ID bits */ 122 #define IDX_MIXER_PLAY_MASTER 0x02 123 #define IDX_MIXER_MODEMOUT 0x04 124 #define IDX_MIXER_BASSTREBLE 0x06 125 #define MIXER_BASSTREBLE_TREBLE_VOLUME_MASK 0x000e 126 #define MIXER_BASSTREBLE_BASS_VOLUME_MASK 0x0e00 127 #define IDX_MIXER_PCBEEP 0x08 128 #define IDX_MIXER_MODEMIN 0x0a 129 #define IDX_MIXER_MIC 0x0c 130 #define MIXER_MIC_MICGAIN_20DB_ENHANCEMENT_MASK 0x0040 131 #define IDX_MIXER_LINEIN 0x0e 132 #define IDX_MIXER_CDAUDIO 0x10 133 #define IDX_MIXER_VIDEO 0x12 134 #define IDX_MIXER_AUX 0x14 135 #define IDX_MIXER_WAVEOUT 0x16 136 #define IDX_MIXER_FMSYNTH 0x18 137 #define IDX_MIXER_REC_SELECT 0x1a 138 #define MIXER_REC_SELECT_MIC 0x00 139 #define MIXER_REC_SELECT_CD 0x01 140 #define MIXER_REC_SELECT_VIDEO 0x02 141 #define MIXER_REC_SELECT_AUX 0x03 142 #define MIXER_REC_SELECT_LINEIN 0x04 143 #define MIXER_REC_SELECT_MIXSTEREO 0x05 144 #define MIXER_REC_SELECT_MIXMONO 0x06 145 #define MIXER_REC_SELECT_MONOIN 0x07 146 #define IDX_MIXER_REC_VOLUME 0x1c 147 #define IDX_MIXER_ADVCTL1 0x1e 148 /* unlisted bits are unmodifiable */ 149 #define MIXER_ADVCTL1_3DWIDTH_MASK 0x000e 150 #define MIXER_ADVCTL1_HIFI3D_MASK 0x0300 151 #define IDX_MIXER_ADVCTL2 0x20 /* resembles AC97_GENERAL_PURPOSE reg ! */ 152 /* unlisted bits are unmodifiable */ 153 #define MIXER_ADVCTL2_BIT7 0x0080 /* WaveOut 3D Bypass ? mutes WaveOut at LineOut */ 154 #define MIXER_ADVCTL2_BIT8 0x0100 /* is this Modem Out Select ? */ 155 #define MIXER_ADVCTL2_BIT9 0x0200 /* Mono Select Source ? */ 156 #define MIXER_ADVCTL2_BIT13 0x2000 /* 3D enable ? */ 157 #define MIXER_ADVCTL2_BIT15 0x8000 /* unknown */ 158 159 #define IDX_MIXER_SOMETHING30H 0x30 /* used, but unknown ??? */ 160 161 /* driver internal flags */ 162 #define SET_CHAN_LEFT 1 163 #define SET_CHAN_RIGHT 2 164 165 #endif /* __SOUND_AZF3328_H */ 166