| snd_maestro3.4 (86740) | snd_maestro3.4 (134938) |
|---|---|
| 1.\" Copyright (c) 2001 Scott Long 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 8 unchanged lines hidden (view full) --- 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" | 1.\" Copyright (c) 2001 Scott Long 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 8 unchanged lines hidden (view full) --- 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" |
| 25.\" $FreeBSD: head/share/man/man4/snd_maestro3.4 86740 2001-11-21 17:12:31Z ru $ | 25.\" $FreeBSD: head/share/man/man4/snd_maestro3.4 134938 2004-09-08 08:28:02Z ru $ |
| 26.\" | 26.\" |
| 27.Dd October 14, 2001 28.Dt MAESTRO3 4 | 27.Dd August 28, 2004 28.Dt SND_MAESTRO3 4 |
| 29.Os 30.Sh NAME | 29.Os 30.Sh NAME |
| 31.Nm maestro3 | 31.Nm snd_maestro3 |
| 32.Nd FreeBSD audio sub-driver for ESS Maestro3/Allegro-1 hardware 33.Sh SYNOPSIS | 32.Nd FreeBSD audio sub-driver for ESS Maestro3/Allegro-1 hardware 33.Sh SYNOPSIS |
| 34.Li "kldload snd_maestro3" | 34.Cd "device sound" 35.Cd "device snd_maestro3" |
| 35.Sh DESCRIPTION 36The 37.Nm 38driver provides support for the ESS Maestro3 and Allegro-1 sound chips 39under the PCM framework. 40These chips are mostly found in laptop computers and feature an AC97 mixer, 41a multi-channel sample rate converter that can mix up to four digital audio 42streams in hardware, recording support, and external volume control buttons. 43.Pp 44The firmware for the sound processor is licensed under the GNU Public 45License, and thus this driver is not included in the default 46.Pa GENERIC 47kernel, nor is it compiled into the kernel when | 36.Sh DESCRIPTION 37The 38.Nm 39driver provides support for the ESS Maestro3 and Allegro-1 sound chips 40under the PCM framework. 41These chips are mostly found in laptop computers and feature an AC97 mixer, 42a multi-channel sample rate converter that can mix up to four digital audio 43streams in hardware, recording support, and external volume control buttons. 44.Pp 45The firmware for the sound processor is licensed under the GNU Public 46License, and thus this driver is not included in the default 47.Pa GENERIC 48kernel, nor is it compiled into the kernel when |
| 48.Cd "device pcm" | 49.Cd "device sound" |
| 49is specified in the kernel config file. 50A convenient way to automatically load the driver is to add the line 51.Pp 52.Dl snd_maestro3_load="YES" 53.Pp 54to the file 55.Pa /boot/loader.conf . 56.Sh DIAGNOSTICS 57The hardware volume control buttons can be connected to two different pin 58sets on the chip, depending on the manufacturer. 59The driver has no way of determining this configuration, so a hint may be 60used to override the default guess. 61Add the line 62.Dq Li hint.pcm.0.hwvol_config="0" 63to the file 64.Pa /boot/device.hints 65to override the default setting. 66.Sh SEE ALSO | 50is specified in the kernel config file. 51A convenient way to automatically load the driver is to add the line 52.Pp 53.Dl snd_maestro3_load="YES" 54.Pp 55to the file 56.Pa /boot/loader.conf . 57.Sh DIAGNOSTICS 58The hardware volume control buttons can be connected to two different pin 59sets on the chip, depending on the manufacturer. 60The driver has no way of determining this configuration, so a hint may be 61used to override the default guess. 62Add the line 63.Dq Li hint.pcm.0.hwvol_config="0" 64to the file 65.Pa /boot/device.hints 66to override the default setting. 67.Sh SEE ALSO |
| 67.Xr pcm 4 , | 68.Xr sound 4 , |
| 68.Xr loader.conf 5 69.Sh HISTORY 70The 71.Nm 72driver first appeared in 73.Fx 4.3 . 74.Sh AUTHORS 75.An Scott Long Aq scottl@FreeBSD.org 76.An Darrel Anderson Aq anderson@cs.duke.edu | 69.Xr loader.conf 5 70.Sh HISTORY 71The 72.Nm 73driver first appeared in 74.Fx 4.3 . 75.Sh AUTHORS 76.An Scott Long Aq scottl@FreeBSD.org 77.An Darrel Anderson Aq anderson@cs.duke.edu |