feat: add dvb-pt3 extension - #1238
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The Earthsoft PT3 is an ISDB-T/S PCIe tuner card widely used for terrestrial and satellite TV recording in Japan. This extension ships the earth-pt3 driver and the modules it pulls in (tc90522 demodulator, qm1d1c0042 and mxl301rf tuners, dvb-core and mc), modeled on the existing dvb-cx23885 extension. The card needs no firmware blob, so nothing is downloaded at build time. The modules are blacklisted by default, matching dvb-cx23885, so the driver is only loaded when the machine config asks for it. This depends on siderolabs/pkgs#1682, which enables CONFIG_DVB_PT3. Signed-off-by: Ruk Doe <info@doany.io> Signed-off-by: Andrey Smirnov <andrey.smirnov@siderolabs.com>
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What
A
dvb-pt3system extension for the Earthsoft PT3, an ISDB-T/S PCIe tuner card.Why
The PT3 is the common choice for terrestrial and satellite TV recording in Japan, and it is one of the last things keeping such a workload off Talos. The driver is in-tree; nothing out-of-tree is built here.
How
Modelled directly on
dvb/cx23885, minus the firmware download: the PT3 needs no firmware blob. The extension shipsearth-pt3.koand what it pulls in.earth-pt3tc90522qm1d1c0042mxl301rfdvb-core,mcModule paths and the dependency chain were taken from a running host with the card installed (
modinfo -n,lsmod), not guessed. Modules are blacklisted by default likedvb-cx23885, so they load only when the machine config asks forearth-pt3.x86_64 only, matching the kernel side: the card is PCIe and there is no practical arm64 use.
Depends on
siderolabs/pkgs#1682 enables
CONFIG_DVB_PT3=m. Until that lands and a Talos release picks it up, the module does not exist in the kernel image and this build cannot succeed. Thecompatibility.talos.versionin the manifest is set to>= v1.15.0as a guess at the release that will carry it, and should be corrected to whatever it actually turns out to be.Notes
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