1 #ifndef __SOUND_AZT3328_H 2 #define __SOUND_AZT3328_H 3 4 /* "PU" == "power-up value", as tested on PCI168 PCI rev. 10 */ 5 6 /*** main I/O area port indices ***/ 7 /* (only 0x70 of 0x80 bytes saved/restored by Windows driver) */ 8 #define AZF_IO_SIZE_CODEC 0x80 9 #define AZF_IO_SIZE_CODEC_PM 0x70 10 11 /* the driver initialisation suggests a layout of 4 main areas: 12 * from 0x00 (playback), from 0x20 (recording) and from 0x40 (maybe MPU401??). 13 * And another area from 0x60 to 0x6f (DirectX timer, IRQ management, 14 * power management etc.???). */ 15 16 /** playback area **/ 17 #define IDX_IO_PLAY_FLAGS 0x00 /* PU:0x0000 */ 18 /* able to reactivate output after output muting due to 8/16bit 19 * output change, just like 0x0002. 20 * 0x0001 is the only bit that's able to start the DMA counter */ 21 #define DMA_RESUME 0x0001 /* paused if cleared ? */ 22 /* 0x0002 *temporarily* set during DMA stopping. hmm 23 * both 0x0002 and 0x0004 set in playback setup. */ 24 /* able to reactivate output after output muting due to 8/16bit 25 * output change, just like 0x0001. */ 26 #define DMA_PLAY_SOMETHING1 0x0002 /* \ alternated (toggled) */ 27 /* 0x0004: NOT able to reactivate output */ 28 #define DMA_PLAY_SOMETHING2 0x0004 /* / bits */ 29 #define SOMETHING_ALMOST_ALWAYS_SET 0x0008 /* ???; can be modified */ 30 #define DMA_EPILOGUE_SOMETHING 0x0010 31 #define DMA_SOMETHING_ELSE 0x0020 /* ??? */ 32 #define SOMETHING_UNMODIFIABLE 0xffc0 /* unused ? not modifiable */ 33 #define IDX_IO_PLAY_IRQTYPE 0x02 /* PU:0x0001 */ 34 /* write back to flags in case flags are set, in order to ACK IRQ in handler 35 * (bit 1 of port 0x64 indicates interrupt for one of these three types) 36 * sometimes in this case it just writes 0xffff to globally ACK all IRQs 37 * settings written are not reflected when reading back, though. 38 * seems to be IRQ, too (frequently used: port |= 0x07 !), but who knows ? */ 39 #define IRQ_PLAY_SOMETHING 0x0001 /* something & ACK */ 40 #define IRQ_FINISHED_PLAYBUF_1 0x0002 /* 1st dmabuf finished & ACK */ 41 #define IRQ_FINISHED_PLAYBUF_2 0x0004 /* 2nd dmabuf finished & ACK */ 42 #define IRQMASK_SOME_STATUS_1 0x0008 /* \ related bits */ 43 #define IRQMASK_SOME_STATUS_2 0x0010 /* / (checked together in loop) */ 44 #define IRQMASK_UNMODIFIABLE 0xffe0 /* unused ? not modifiable */ 45 #define IDX_IO_PLAY_DMA_START_1 0x04 /* start address of 1st DMA play area, PU:0x00000000 */ 46 #define IDX_IO_PLAY_DMA_START_2 0x08 /* start address of 2nd DMA play area, PU:0x00000000 */ 47 #define IDX_IO_PLAY_DMA_LEN_1 0x0c /* length of 1st DMA play area, PU:0x0000 */ 48 #define IDX_IO_PLAY_DMA_LEN_2 0x0e /* length of 2nd DMA play area, PU:0x0000 */ 49 #define IDX_IO_PLAY_DMA_CURRPOS 0x10 /* current DMA position, PU:0x00000000 */ 50 #define IDX_IO_PLAY_DMA_CURROFS 0x14 /* offset within current DMA play area, PU:0x0000 */ 51 #define IDX_IO_PLAY_SOUNDFORMAT 0x16 /* PU:0x0010 */ 52 /* all unspecified bits can't be modified */ 53 #define SOUNDFORMAT_FREQUENCY_MASK 0x000f 54 #define SOUNDFORMAT_XTAL1 0x00 55 #define SOUNDFORMAT_XTAL2 0x01 56 /* all _SUSPECTED_ values are not used by Windows drivers, so we don't 57 * have any hard facts, only rough measurements */ 58 #define SOUNDFORMAT_FREQ_SUSPECTED_4000 0x0c | SOUNDFORMAT_XTAL1 59 #define SOUNDFORMAT_FREQ_SUSPECTED_4800 0x0a | SOUNDFORMAT_XTAL1 60 #define SOUNDFORMAT_FREQ_5510 0x0c | SOUNDFORMAT_XTAL2 61 #define SOUNDFORMAT_FREQ_6620 0x0a | SOUNDFORMAT_XTAL2 62 #define SOUNDFORMAT_FREQ_8000 0x00 | SOUNDFORMAT_XTAL1 /* also 0x0e | SOUNDFORMAT_XTAL1? */ 63 #define SOUNDFORMAT_FREQ_9600 0x08 | SOUNDFORMAT_XTAL1 64 #define SOUNDFORMAT_FREQ_11025 0x00 | SOUNDFORMAT_XTAL2 /* also 0x0e | SOUNDFORMAT_XTAL2? */ 65 #define SOUNDFORMAT_FREQ_SUSPECTED_13240 0x08 | SOUNDFORMAT_XTAL2 /* seems to be 6620 *2 */ 66 #define SOUNDFORMAT_FREQ_16000 0x02 | SOUNDFORMAT_XTAL1 67 #define SOUNDFORMAT_FREQ_22050 0x02 | SOUNDFORMAT_XTAL2 68 #define SOUNDFORMAT_FREQ_32000 0x04 | SOUNDFORMAT_XTAL1 69 #define SOUNDFORMAT_FREQ_44100 0x04 | SOUNDFORMAT_XTAL2 70 #define SOUNDFORMAT_FREQ_48000 0x06 | SOUNDFORMAT_XTAL1 71 #define SOUNDFORMAT_FREQ_SUSPECTED_66200 0x06 | SOUNDFORMAT_XTAL2 /* 66200 (13240 * 5); 64000 may have been nicer :-\ */ 72 #define SOUNDFORMAT_FLAG_16BIT 0x0010 73 #define SOUNDFORMAT_FLAG_2CHANNELS 0x0020 74 75 /** recording area (see also: playback bit flag definitions) **/ 76 #define IDX_IO_REC_FLAGS 0x20 /* ??, PU:0x0000 */ 77 #define IDX_IO_REC_IRQTYPE 0x22 /* ??, PU:0x0000 */ 78 #define IRQ_REC_SOMETHING 0x0001 /* something & ACK */ 79 #define IRQ_FINISHED_RECBUF_1 0x0002 /* 1st dmabuf finished & ACK */ 80 #define IRQ_FINISHED_RECBUF_2 0x0004 /* 2nd dmabuf finished & ACK */ 81 /* hmm, maybe these are just the corresponding *recording* flags ? 82 * but OTOH they are most likely at port 0x22 instead */ 83 #define IRQMASK_SOME_STATUS_1 0x0008 /* \ related bits */ 84 #define IRQMASK_SOME_STATUS_2 0x0010 /* / (checked together in loop) */ 85 #define IDX_IO_REC_DMA_START_1 0x24 /* PU:0x00000000 */ 86 #define IDX_IO_REC_DMA_START_2 0x28 /* PU:0x00000000 */ 87 #define IDX_IO_REC_DMA_LEN_1 0x2c /* PU:0x0000 */ 88 #define IDX_IO_REC_DMA_LEN_2 0x2e /* PU:0x0000 */ 89 #define IDX_IO_REC_DMA_CURRPOS 0x30 /* PU:0x00000000 */ 90 #define IDX_IO_REC_DMA_CURROFS 0x34 /* PU:0x00000000 */ 91 #define IDX_IO_REC_SOUNDFORMAT 0x36 /* PU:0x0000 */ 92 93 /** hmm, what is this I/O area for? MPU401?? or external DAC via I2S?? (after playback, recording, ???, timer) **/ 94 #define IDX_IO_SOMETHING_FLAGS 0x40 /* gets set to 0x34 just like port 0x0 and 0x20 on card init, PU:0x0000 */ 95 /* general */ 96 #define IDX_IO_42H 0x42 /* PU:0x0001 */ 97 98 /** DirectX timer, main interrupt area (FIXME: and something else?) **/ 99 #define IDX_IO_TIMER_VALUE 0x60 /* found this timer area by pure luck :-) */ 100 #define TIMER_VALUE_MASK 0x000fffffUL /* timer countdown value; triggers IRQ when timer is finished */ 101 #define TIMER_ENABLE_COUNTDOWN 0x01000000UL /* activate the timer countdown */ 102 #define TIMER_ENABLE_IRQ 0x02000000UL /* trigger timer IRQ on zero transition */ 103 #define TIMER_ACK_IRQ 0x04000000UL /* being set in IRQ handler in case port 0x00 (hmm, not port 0x64!?!?) had 0x0020 set upon IRQ handler */ 104 #define IDX_IO_IRQSTATUS 0x64 105 #define IRQ_PLAYBACK 0x0001 106 #define IRQ_RECORDING 0x0002 107 #define IRQ_MPU401 0x0010 108 #define IRQ_TIMER 0x0020 /* DirectX timer */ 109 #define IRQ_UNKNOWN1 0x0040 /* probably unused, or possibly I2S port? or gameport IRQ? */ 110 #define IRQ_UNKNOWN2 0x0080 /* probably unused, or possibly I2S port? or gameport IRQ? */ 111 #define IDX_IO_66H 0x66 /* writing 0xffff returns 0x0000 */ 112 #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 */ 113 #define IDX_IO_6AH 0x6A /* this WORD can be set to have bits 0x0028 activated (FIXME: correct??); actually inhibits PCM playback!!! maybe power management?? */ 114 #define IO_6A_PAUSE_PLAYBACK 0x0200 /* bit 9; sure, this pauses playback, but what the heck is this really about?? */ 115 #define IDX_IO_6CH 0x6C 116 #define IDX_IO_6EH 0x6E /* writing 0xffff returns 0x83fe */ 117 /* further I/O indices not saved/restored, so probably not used */ 118 119 120 /*** I/O 2 area port indices ***/ 121 /* (only 0x06 of 0x08 bytes saved/restored by Windows driver) */ 122 #define AZF_IO_SIZE_IO2 0x08 123 #define AZF_IO_SIZE_IO2_PM 0x06 124 125 #define IDX_IO2_LEGACY_ADDR 0x04 126 #define LEGACY_SOMETHING 0x01 /* OPL3?? */ 127 #define LEGACY_JOY 0x08 128 129 #define AZF_IO_SIZE_MPU 0x04 130 #define AZF_IO_SIZE_MPU_PM 0x04 131 132 #define AZF_IO_SIZE_SYNTH 0x08 133 #define AZF_IO_SIZE_SYNTH_PM 0x06 134 135 /*** mixer I/O area port indices ***/ 136 /* (only 0x22 of 0x40 bytes saved/restored by Windows driver) 137 * UNFORTUNATELY azf3328 is NOT truly AC97 compliant: see main file intro */ 138 #define AZF_IO_SIZE_MIXER 0x40 139 #define AZF_IO_SIZE_MIXER_PM 0x22 140 141 #define MIXER_VOLUME_RIGHT_MASK 0x001f 142 #define MIXER_VOLUME_LEFT_MASK 0x1f00 143 #define MIXER_MUTE_MASK 0x8000 144 #define IDX_MIXER_RESET 0x00 /* does NOT seem to have AC97 ID bits */ 145 #define IDX_MIXER_PLAY_MASTER 0x02 146 #define IDX_MIXER_MODEMOUT 0x04 147 #define IDX_MIXER_BASSTREBLE 0x06 148 #define MIXER_BASSTREBLE_TREBLE_VOLUME_MASK 0x000e 149 #define MIXER_BASSTREBLE_BASS_VOLUME_MASK 0x0e00 150 #define IDX_MIXER_PCBEEP 0x08 151 #define IDX_MIXER_MODEMIN 0x0a 152 #define IDX_MIXER_MIC 0x0c 153 #define MIXER_MIC_MICGAIN_20DB_ENHANCEMENT_MASK 0x0040 154 #define IDX_MIXER_LINEIN 0x0e 155 #define IDX_MIXER_CDAUDIO 0x10 156 #define IDX_MIXER_VIDEO 0x12 157 #define IDX_MIXER_AUX 0x14 158 #define IDX_MIXER_WAVEOUT 0x16 159 #define IDX_MIXER_FMSYNTH 0x18 160 #define IDX_MIXER_REC_SELECT 0x1a 161 #define MIXER_REC_SELECT_MIC 0x00 162 #define MIXER_REC_SELECT_CD 0x01 163 #define MIXER_REC_SELECT_VIDEO 0x02 164 #define MIXER_REC_SELECT_AUX 0x03 165 #define MIXER_REC_SELECT_LINEIN 0x04 166 #define MIXER_REC_SELECT_MIXSTEREO 0x05 167 #define MIXER_REC_SELECT_MIXMONO 0x06 168 #define MIXER_REC_SELECT_MONOIN 0x07 169 #define IDX_MIXER_REC_VOLUME 0x1c 170 #define IDX_MIXER_ADVCTL1 0x1e 171 /* unlisted bits are unmodifiable */ 172 #define MIXER_ADVCTL1_3DWIDTH_MASK 0x000e 173 #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??) */ 174 #define IDX_MIXER_ADVCTL2 0x20 /* subset of AC97_GENERAL_PURPOSE reg! */ 175 /* unlisted bits are unmodifiable */ 176 #define MIXER_ADVCTL2_LPBK 0x0080 /* Loopback mode -- Win driver: "WaveOut3DBypass"? mutes WaveOut at LineOut */ 177 #define MIXER_ADVCTL2_MS 0x0100 /* Mic Select 0=Mic1, 1=Mic2 -- Win driver: "ModemOutSelect"?? */ 178 #define MIXER_ADVCTL2_MIX 0x0200 /* Mono output select 0=Mix, 1=Mic; Win driver: "MonoSelectSource"?? */ 179 #define MIXER_ADVCTL2_3D 0x2000 /* 3D Enhancement 1=on */ 180 #define MIXER_ADVCTL2_POP 0x8000 /* Pcm Out Path, 0=pre 3D, 1=post 3D */ 181 182 #define IDX_MIXER_SOMETHING30H 0x30 /* used, but unknown??? */ 183 184 /* driver internal flags */ 185 #define SET_CHAN_LEFT 1 186 #define SET_CHAN_RIGHT 2 187 188 #endif /* __SOUND_AZT3328_H */ 189