SMFB(4) - Device Drivers Manual (loongson) # SMFB(4) - Device Drivers Manual (loongson)
NAME # smfb - Silicon Motion frame buffer
SYNOPSIS # smfb* at pci? (SM712) smfb* at voyager? (SM502)
DESCRIPTION # The smfb driver supports Silicon Motion SM502 and SM712 frame buffers in 16-bit color mode.
The smfb driver interfaces the frame buffer with the wscons(4) console framework, as a wsdisplay(4) device.
It is currently not possible to change the frame buffer resolution and color depth.
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VOYAGER(4) - Device Drivers Manual (loongson) # VOYAGER(4) - Device Drivers Manual (loongson)
NAME # voyager - Silicon Motion Mobile Multimedia Companion Chip
SYNOPSIS # voyager* at pci? gpio0 at voyager? ohci* at voyager? smfb* at voyager?
DESCRIPTION # The voyager driver supports the Silicon Motion SM502 MMCC device.
This chip is intended to fulfill most of a modern laptop’s I/O needs, and provides:
a 2D smfb(4) frame buffer with analog RGB and digital LCD panel interfaces an 8-bit parallel interface a ohci(4) USB controller two UART or IrDA ports two Zoom Video interfaces an AC97 or I2S audio codec two Synchronous Serial Ports (SSP) Pulse Width Modulation (PWM) 64 gpio(4) pins Not all the device interfaces are supported under OpenBSD.
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