// SPDX-License-Identifier: GPL-2.0 // Required to retain the original register names used by OpenRM, which are all capital snake case // but are mapped to types. #![allow(non_camel_case_types)] #[macro_use] mod macros; use crate::gpu::{Architecture, Chipset}; use kernel::prelude::*; /* PMC */ register!(NV_PMC_BOOT_0 @ 0x00000000, "Basic revision information about the GPU" { 3:0 minor_revision as u8, "Minor revision of the chip"; 7:4 major_revision as u8, "Major revision of the chip"; 8:8 architecture_1 as u8, "MSB of the architecture"; 23:20 implementation as u8, "Implementation version of the architecture"; 28:24 architecture_0 as u8, "Lower bits of the architecture"; }); impl NV_PMC_BOOT_0 { /// Combines `architecture_0` and `architecture_1` to obtain the architecture of the chip. pub(crate) fn architecture(self) -> Result<Architecture> { Architecture::try_from( self.architecture_0() | (self.architecture_1() << Self::ARCHITECTURE_0.len()), ) } /// Combines `architecture` and `implementation` to obtain a code unique to the chipset. pub(crate) fn chipset(self) -> Result<Chipset> { self.architecture() .map(|arch| { ((arch as u32) << Self::IMPLEMENTATION.len()) | self.implementation() as u32 }) .and_then(Chipset::try_from) } }