1.\" $OpenBSD: voyager.4,v 1.3 2010/02/26 14:53:11 miod Exp $ 2.\" 3.\" Copyright (c) 2010 Miodrag Vallat. 4.\" 5.\" Permission to use, copy, modify, and distribute this software for any 6.\" purpose with or without fee is hereby granted, provided that the above 7.\" copyright notice and this permission notice appear in all copies. 8.\" 9.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16.\" 17.Dd $Mdocdate: February 26 2010 $ 18.Dt VOYAGER 4 loongson 19.Os 20.Sh NAME 21.Nm voyager 22.Nd Silicon Motion Mobile Multimedia Companion Chip 23.Sh SYNOPSIS 24.Cd "voyager* at pci?" 25.Cd "gpio0 at voyager?" 26.\" .Cd "iic* at voyager?" 27.Cd "ohci* at voyager?" 28.Cd "smfb* at voyager?" 29.Sh DESCRIPTION 30The 31.Nm 32driver supports the Silicon Motion SM502 MMCC device. 33.Pp 34This chip is intended to fulfill most of a modern laptop's I/O needs, and 35provides: 36.Pp 37.Bl -dash -compact -offset indent 38.It 39a 2D 40.Xr smfb 4 41frame buffer with analog RGB and digital LCD panel interfaces 42.It 43an 8-bit parallel interface 44.It 45a 46.Xr ohci 4 47USB controller 48.It 49two UART or IrDA ports 50.It 51two Zoom Video interfaces 52.It 53an AC97 or I2S audio codec 54.It 55two Synchronous Serial Ports 56.Pq SSP 57.It 58Pulse Width Modulation 59.Pq PWM 60.It 6164 62.Xr gpio 4 63pins 64.El 65.Pp 66Not all the device interfaces are supported under 67.Ox . 68.Pp 69The 70.Xr ohci 4 71component only attaches on Gdium Liberty systems with the older motherboard 72artwork design, as newer systems do not have this USB port connected to 73anything, causing an otherwise annoying long delay to probe the empty bus 74on boot. 75.Sh SEE ALSO 76.\" .Xr ac97 4 , 77.Xr gpio 4 , 78.Xr intro 4 , 79.Xr ohci 4 , 80.Xr pci 4 , 81.Xr smfb 4 82