// 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)]
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_RANGE.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_RANGE.len())
| u32::from(self.implementation())
})
.and_then(Chipset::try_from)
}
}
// PBUS
// TODO[REGA]: this is an array of registers.
register!(NV_PBUS_SW_SCRATCH_0E@0x00001438 { 31:16 frts_err_code as u16;
});
// PFB
// The following two registers together hold the physical system memory address that is used by the // GPU to perform sysmembar operations (see `fb::SysmemFlush`).
register!(NV_PFB_NISO_FLUSH_SYSMEM_ADDR @ 0x00100c10 { 31:0 adr_39_08 as u32;
});
register!(NV_PFB_NISO_FLUSH_SYSMEM_ADDR_HI @ 0x00100c40 { 23:0 adr_63_40 as u32;
});
register!(NV_PFB_PRI_MMU_LOCAL_MEMORY_RANGE @ 0x00100ce0 { 3:0 lower_scale as u8; 9:4 lower_mag as u8; 30:30 ecc_mode_enabled as bool;
});
impl NV_PFB_PRI_MMU_LOCAL_MEMORY_RANGE { /// Returns the usable framebuffer size, in bytes. pub(crate) fn usable_fb_size(self) -> u64 { let size = (u64::from(self.lower_mag()) << u64::from(self.lower_scale()))
* kernel::sizes::SZ_1M as u64;
ifself.ecc_mode_enabled() { // Remove the amount of memory reserved for ECC (one per 16 units).
size / 16 * 15
} else {
size
}
}
}
register!(NV_PFB_PRI_MMU_WPR2_ADDR_LO@0x001fa824 { 31:4 lo_val as u32, "Bits 12..40 of the lower (inclusive) bound of the WPR2 region";
});
impl NV_PFB_PRI_MMU_WPR2_ADDR_LO { /// Returns the lower (inclusive) bound of the WPR2 region. pub(crate) fn lower_bound(self) -> u64 {
u64::from(self.lo_val()) << 12
}
}
register!(NV_PFB_PRI_MMU_WPR2_ADDR_HI@0x001fa828 { 31:4 hi_val as u32, "Bits 12..40 of the higher (exclusive) bound of the WPR2 region";
});
impl NV_PFB_PRI_MMU_WPR2_ADDR_HI { /// Returns the higher (exclusive) bound of the WPR2 region. /// /// A value of zero means the WPR2 region is not set. pub(crate) fn higher_bound(self) -> u64 {
u64::from(self.hi_val()) << 12
}
}
// PGC6 register space. // // `GC6` is a GPU low-power state where VRAM is in self-refresh and the GPU is powered down (except // for power rails needed to keep self-refresh working and important registers and hardware // blocks). // // These scratch registers remain powered on even in a low-power state and have a designated group // number.
// Privilege level mask register. It dictates whether the host CPU has privilege to access the // `PGC6_AON_SECURE_SCRATCH_GROUP_05` register (which it needs to read GFW_BOOT).
register!(NV_PGC6_AON_SECURE_SCRATCH_GROUP_05_PRIV_LEVEL_MASK @ 0x00118128, "Privilege level mask register" { 0:0 read_protection_level0 as bool, "Set after FWSEC lowers its protection level";
});
// TODO[REGA]: This is an array of registers.
register!(NV_PGC6_AON_SECURE_SCRATCH_GROUP_05 @ 0x00118234 { 31:0 value as u32;
});
register!(
NV_PGC6_AON_SECURE_SCRATCH_GROUP_05_0_GFW_BOOT => NV_PGC6_AON_SECURE_SCRATCH_GROUP_05, "Scratch group 05 register 0 used as GFW boot progress indicator" { 7:0 progress as u8, "Progress of GFW boot (0xff means completed)";
}
);
register!(NV_PGC6_AON_SECURE_SCRATCH_GROUP_42 @ 0x001183a4 { 31:0 value as u32;
});
register!(
NV_USABLE_FB_SIZE_IN_MB => NV_PGC6_AON_SECURE_SCRATCH_GROUP_42, "Scratch group 42 register used as framebuffer size" { 31:0 value as u32, "Usable framebuffer size, in megabytes";
}
);
impl NV_USABLE_FB_SIZE_IN_MB { /// Returns the usable framebuffer size, in bytes. pub(crate) fn usable_fb_size(self) -> u64 {
u64::from(self.value()) * kernel::sizes::SZ_1M as u64
}
}
// PDISP
register!(NV_PDISP_VGA_WORKSPACE_BASE @ 0x00625f04 { 3:3 status_valid as bool, "Set if the `addr` field is valid"; 31:8 addr as u32, "VGA workspace base address divided by 0x10000";
});
impl NV_PDISP_VGA_WORKSPACE_BASE { /// Returns the base address of the VGA workspace, or `None` if none exists. pub(crate) fn vga_workspace_addr(self) -> Option<u64> { ifself.status_valid() {
Some(u64::from(self.addr()) << 16)
} else {
None
}
}
}
// FUSE
register!(NV_FUSE_OPT_FPF_NVDEC_UCODE1_VERSION @ 0x00824100 { 15:0 data as u16;
});
register!(NV_FUSE_OPT_FPF_SEC2_UCODE1_VERSION @ 0x00824140 { 15:0 data as u16;
});
register!(NV_FUSE_OPT_FPF_GSP_UCODE1_VERSION @ 0x008241c0 { 15:0 data as u16;
});
// PFALCON
register!(NV_PFALCON_FALCON_IRQSCLR @ +0x00000004 { 4:4 halt as bool; 6:6 swgen0 as bool;
});
register!(NV_PFALCON_FALCON_MAILBOX0 @ +0x00000040 { 31:0 value as u32;
});
register!(NV_PFALCON_FALCON_MAILBOX1 @ +0x00000044 { 31:0 value as u32;
});
register!(NV_PFALCON_FALCON_RM @ +0x00000084 { 31:0 value as u32;
});
register!(NV_PFALCON_FALCON_HWCFG2 @ +0x000000f4 { 10:10 riscv as bool; 12:12 mem_scrubbing as bool, "Set to 0 after memory scrubbing is completed"; 31:31 reset_ready as bool, "Signal indicating that reset is completed (GA102+)";
});
impl NV_PFALCON_FALCON_HWCFG2 { /// Returns `true` if memory scrubbing is completed. pub(crate) fn mem_scrubbing_done(self) -> bool {
!self.mem_scrubbing()
}
}
register!(NV_PFALCON_FALCON_CPUCTL @ +0x00000100 { 1:1 startcpu as bool; 4:4 halted as bool; 6:6 alias_en as bool;
});
register!(NV_PFALCON_FALCON_BOOTVEC @ +0x00000104 { 31:0 value as u32;
});
register!(NV_PFALCON_FALCON_DMACTL @ +0x0000010c { 0:0 require_ctx as bool; 1:1 dmem_scrubbing as bool; 2:2 imem_scrubbing as bool; 6:3 dmaq_num as u8; 7:7 secure_stat as bool;
});
register!(NV_PFALCON_FALCON_DMATRFBASE @ +0x00000110 { 31:0 base as u32;
});
register!(NV_PFALCON_FALCON_DMATRFMOFFS @ +0x00000114 { 23:0 offs as u32;
});
register!(NV_PFALCON_FALCON_DMATRFCMD @ +0x00000118 { 0:0 full as bool; 1:1 idle as bool; 3:2 sec as u8; 4:4 imem as bool; 5:5 is_write as bool; 10:8 size as u8 ?=> DmaTrfCmdSize; 14:12 ctxdma as u8; 16:16 set_dmtag as u8;
});
register!(NV_PFALCON_FALCON_DMATRFFBOFFS @ +0x0000011c { 31:0 offs as u32;
});
register!(NV_PFALCON_FALCON_DMATRFBASE1 @ +0x00000128 { 8:0 base as u16;
});
register!(NV_PFALCON_FALCON_HWCFG1 @ +0x0000012c { 3:0 core_rev as u8 ?=> FalconCoreRev, "Core revision"; 5:4 security_model as u8 ?=> FalconSecurityModel, "Security model"; 7:6 core_rev_subversion as u8 ?=> FalconCoreRevSubversion, "Core revision subversion";
});
register!(NV_PFALCON_FALCON_CPUCTL_ALIAS @ +0x00000130 { 1:1 startcpu as bool;
});
// Actually known as `NV_PSEC_FALCON_ENGINE` and `NV_PGSP_FALCON_ENGINE` depending on the falcon // instance.
register!(NV_PFALCON_FALCON_ENGINE @ +0x000003c0 { 0:0 reset as bool;
});
// TODO[REGA]: this is an array of registers.
register!(NV_PFALCON_FBIF_TRANSCFG @ +0x00000600 { 1:0 target as u8 ?=> FalconFbifTarget; 2:2 mem_type as bool => FalconFbifMemType;
});
register!(NV_PFALCON_FBIF_CTL @ +0x00000624 { 7:7 allow_phys_no_ctx as bool;
});
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