diff options
Diffstat (limited to 'sound/pci/azt3328.h')
| -rw-r--r-- | sound/pci/azt3328.h | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/sound/pci/azt3328.h b/sound/pci/azt3328.h index 560a4653c0b2..b4f3e3cd006b 100644 --- a/sound/pci/azt3328.h +++ b/sound/pci/azt3328.h @@ -90,7 +90,7 @@ #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) **/ +/** 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 */ @@ -170,14 +170,14 @@ #define IDX_MIXER_ADVCTL1 0x1e /* 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 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_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 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??? */ |