| pcm.4 (79538) | pcm.4 (84877) |
|---|---|
| 1.\" 2.\" Copyright (c) 1998, Luigi Rizzo 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" | 1.\" 2.\" Copyright (c) 1998, Luigi Rizzo 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright --- 9 unchanged lines hidden (view full) --- 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" |
| 26.\" $FreeBSD: head/share/man/man4/pcm.4 79538 2001-07-10 15:31:11Z ru $ | 26.\" $FreeBSD: head/share/man/man4/pcm.4 84877 2001-10-13 09:08:37Z yokota $ |
| 27.\" 28.Dd June 3, 1998 29.Dt PCM 4 30.Os 31.Sh NAME 32.Nm pcm , 33.Nm snd 34.Nd FreeBSD PCM audio device driver 35.Sh SYNOPSIS 36For a card with bridge driver support, and a PnP card: 37.Cd "device pcm" 38.Pp | 27.\" 28.Dd June 3, 1998 29.Dt PCM 4 30.Os 31.Sh NAME 32.Nm pcm , 33.Nm snd 34.Nd FreeBSD PCM audio device driver 35.Sh SYNOPSIS 36For a card with bridge driver support, and a PnP card: 37.Cd "device pcm" 38.Pp |
| 39For a card without bridge driver support, and a non-PnP card: 40.Cd "device pcm0 at isa? port? irq 5 drq 1 flags 0x15" | 39For a card without bridge driver support, and a non-PnP card, 40the following lines may be required in 41.Pa /boot/device.hints : 42.Cd hint.pcm.0.at="isa" 43.Cd hint.pcm.0.irq="5" 44.Cd hint.pcm.0.drq="1" 45.Cd hint.pcm.0.flags="0x0" |
| 41.Sh DESCRIPTION 42The 43.Nm 44driver provides support for PCM audio play and capture. 45This driver 46also supports various PCI and WSS/MSS compatible ISA sound cards, and 47AC97 mixer. 48True full duplex operation is available on most cards. --- 9 unchanged lines hidden (view full) --- 58channel, or to 0x10 + C to specify channel C. 59.Pp 60The driver works best with WSS/MSS cards, which have a very clean 61architecture and an orthogonal set of features. 62They also happen to be 63among the cheapest audio cards on the market. 64.Pp 65The driver does its best to recognize the installed hardware and drive | 46.Sh DESCRIPTION 47The 48.Nm 49driver provides support for PCM audio play and capture. 50This driver 51also supports various PCI and WSS/MSS compatible ISA sound cards, and 52AC97 mixer. 53True full duplex operation is available on most cards. --- 9 unchanged lines hidden (view full) --- 63channel, or to 0x10 + C to specify channel C. 64.Pp 65The driver works best with WSS/MSS cards, which have a very clean 66architecture and an orthogonal set of features. 67They also happen to be 68among the cheapest audio cards on the market. 69.Pp 70The driver does its best to recognize the installed hardware and drive |
| 66it correctly, so that you don't have to give too many details in the 67kernel config files. | 71it correctly, so that you don't have to give too many details in 72.Pa /boot/device.hints . |
| 68For PCI and ISA PnP cards this is actually easy 69since they identify themselves. 70For legacy ISA cards, the driver looks 71for MSS cards at addresses 0x530 and 0x604 (obviously, unless overridden | 73For PCI and ISA PnP cards this is actually easy 74since they identify themselves. 75For legacy ISA cards, the driver looks 76for MSS cards at addresses 0x530 and 0x604 (obviously, unless overridden |
| 72in the kernel config file by specifying an address). | 77in 78.Pa /boot/device.hints 79). |
| 73.Sh IOCTL 74The driver supports most of the Voxware ioctls(), and most 75applications work unmodified (including popular mpeg players and linux 76binaries). A few 77differences exist (the most important one is the ability to use 78memory-mapped access to the audio buffers). As a consequence, some 79applications may need to be recompiled with a slightly modified 80audio module. See /usr/include/sys/soundcard.h for a complete --- 117 unchanged lines hidden --- | 80.Sh IOCTL 81The driver supports most of the Voxware ioctls(), and most 82applications work unmodified (including popular mpeg players and linux 83binaries). A few 84differences exist (the most important one is the ability to use 85memory-mapped access to the audio buffers). As a consequence, some 86applications may need to be recompiled with a slightly modified 87audio module. See /usr/include/sys/soundcard.h for a complete --- 117 unchanged lines hidden --- |