diff options
| author | Solomon Peachy <pizza@shaftnet.org> | 2020-10-25 00:32:36 -0400 |
|---|---|---|
| committer | Solomon Peachy <pizza@shaftnet.org> | 2020-10-25 00:42:41 -0400 |
| commit | 4afd1f9aa6a15f34e48b6af8d0152bb45f672cf1 (patch) | |
| tree | c43435f1b78d0315f1ac2d97f58dffc02bf18f3f /firmware | |
| parent | e7a492ef55df87bd7873a176a76a9a524da3f2ce (diff) | |
hosted: Document HW capabilities of audio drivers
One surprise: X3ii is capable of 384KHz playback
Change-Id: I0cc88637c81a21d54979e82b2941fe14de933d4d
Diffstat (limited to 'firmware')
| -rw-r--r-- | firmware/drivers/audio/erosqlinux_codec.c | 26 | ||||
| -rw-r--r-- | firmware/drivers/audio/xduoolinux_codec.c | 42 |
2 files changed, 68 insertions, 0 deletions
diff --git a/firmware/drivers/audio/erosqlinux_codec.c b/firmware/drivers/audio/erosqlinux_codec.c index 268da54280..3b7155faef 100644 --- a/firmware/drivers/audio/erosqlinux_codec.c +++ b/firmware/drivers/audio/erosqlinux_codec.c @@ -37,6 +37,32 @@ #include "logf.h" +/* + PCM device hw:0,0 + + ACCESS: MMAP_INTERLEAVED RW_INTERLEAVED + FORMAT: S16_LE S24_LE + SUBFORMAT: STD + SAMPLE_BITS: [16 32] + FRAME_BITS: [16 64] + CHANNELS: [1 2] + RATE: [8000 192000] + PERIOD_TIME: (2666 8192000] + PERIOD_SIZE: [512 65536] + PERIOD_BYTES: [4096 131072] + PERIODS: [4 128] + BUFFER_TIME: (10666 32768000] + BUFFER_SIZE: [2048 262144] + BUFFER_BYTES: [4096 524288] + TICK_TIME: ALL + + Mixer controls: + + numid=1,iface=MIXER,name='Output Port Switch' + ; type=INTEGER,access=rw------,values=1,min=0,max=5,step=0 + : values=4 +*/ + static int fd_hw = -1; static long int vol_l_hw = 255; diff --git a/firmware/drivers/audio/xduoolinux_codec.c b/firmware/drivers/audio/xduoolinux_codec.c index 5b83f0fa8c..5452a0f5c3 100644 --- a/firmware/drivers/audio/xduoolinux_codec.c +++ b/firmware/drivers/audio/xduoolinux_codec.c @@ -36,6 +36,48 @@ #include "logf.h" +/* + +X3ii: + + PCM device hw:0,0 + + ACCESS: MMAP_INTERLEAVED RW_INTERLEAVED + FORMAT: S16_LE S24_LE + SUBFORMAT: STD + SAMPLE_BITS: [16 32] + FRAME_BITS: [16 64] + CHANNELS: [1 2] + RATE: [8000 384000] + PERIOD_TIME: (1333 16384000] + PERIOD_SIZE: [512 131072] + PERIOD_BYTES: [4096 262144] + PERIODS: [4 256] + BUFFER_TIME: (5333 65536000] + BUFFER_SIZE: [2048 524288] + BUFFER_BYTES: [4096 1048576] + TICK_TIME: ALL + + Mixer controls: + + numid=1,iface=MIXER,name='Left Playback Volume' + ; type=INTEGER,access=rw------,values=1,min=0,max=255,step=0 + : values=0 + numid=2,iface=MIXER,name='Right Playback Volume' + ; type=INTEGER,access=rw------,values=1,min=0,max=255,step=0 + : values=0 + numid=3,iface=MIXER,name='AK4490 Digital Filter' + ; type=INTEGER,access=rw------,values=1,min=0,max=4,step=0 + : values=0 + numid=4,iface=MIXER,name='AK4490 Soft Mute' + ; type=BOOLEAN,access=rw------,values=1 + : values=off + numid=5,iface=MIXER,name='Output Port Switch' + ; type=INTEGER,access=rw------,values=1,min=0,max=5,step=0 + : values=0 + +*/ + static int fd_hw = -1; static long int vol_l_hw = 255; |