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.\"	$OpenBSD: voyager.4,v 1.1 2010/02/18 23:05:06 miod Exp $
.\"
.\" Copyright (c) 2010 Miodrag Vallat.
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd $Mdocdate: February 18 2010 $
.Dt VOYAGER 4 loongson
.Os
.Sh NAME
.Nm voyager
.Nd Silicon Motion Mobile Multimedia Companion Chip
.Sh SYNOPSIS
.Cd "voyager* at pci?"
.Cd "gpio0 at voyager?"
.\" .Cd "iic* at voyager?"
.\" .Cd "ohci* at voyager?"
.Cd "smfb* at voyager?"
.Sh DESCRIPTION
The
.Nm
driver supports Silicon Motion SM502 MMCC device.
.Pp
This chip is intended to fulfill most of a modern laptop I/O needs, and
provides:
.Bl -bullet -compact
.It
a 2D
.Xr smfb 4
frame buffer with analog RGB and digital LCD panel interfaces
.It
a 8-bit parallel interface
.It
an USB controller
.It
two UART or IrDA ports
.It
two Zoom Video interfaces
.It
an AC97 or I2S audio codec 
.It
two SSP
.Pq Synchronous Serial Ports
.It
PWM
.Pq Pulse Width Modulation
.It
64
.Xr gpio 4
pins.
.El
.Pp
Not all the device interfaces are supported under
.Ox .
.Sh SEE ALSO
.\" .Xr ac97 4 ,
.Xr gpio 4 ,
.Xr intro 4 ,
.\" .Xr ohci 4 ,
.Xr pci 4 ,
.Xr smfb 4