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Can't run the worker thread MPSAFE with spi(4) yet because most controller
drivers still lack MP safety. Cause issues when using multiple displays.
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DEP 160128A is a 160x128 18-bit RGB OLED display module advertised as
having an 8-bit parallel I/O interface. The controller can however attach
serially via spi(4) by moving jumper resistors J1 and J2 to GND position.
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also adjust some SSD1322 command names
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spi(4) was marked MPSAFE some time ago, so we're always on an
MPSAFE parent device.
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The ssdfb driver provides wsdisplay(4) support for OLED/PLED framebuffer
modules based on one of the following controller chips:
- Solomon Systech Ltd SSD1306
- Sino Wealth Electronic Ltd SH1106
It supports xf86-video-wsfb and can optionally attach as the console.
Some products that should work with this driver include:
- Adafruit 0.96" 128x64 OLED graphic display
- Adafruit 1.3" 128x64 OLED graphic display
- Adafruit 128x32 OLED graphic display
- Adafruit PiOLED 128x32 Monochome OLED for Raspberry Pi
- "GM009605" commonly distributed with Arduino starter kits
- display modules made by Chengdu Heltec Automation technology co. LTD
Note: I used the name ssdfb(4) because that's what OpenBSD calls their
driver but the implementation is entirely unique to NetBSD.
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