1 // SPDX-License-Identifier: GPL-2.0 2 // SPDX-FileCopyrightText: Copyright (c) 2025-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved. 3 4 use kernel::{ 5 io::Io, 6 prelude::*, // 7 }; 8 9 use crate::{ 10 driver::Bar0, 11 fb::hal::FbHal, 12 regs, // 13 }; 14 15 pub(super) fn vidmem_size_ga102(bar: Bar0<'_>) -> u64 { 16 bar.read(regs::NV_USABLE_FB_SIZE_IN_MB).usable_fb_size() 17 } 18 19 struct Ga102; 20 21 impl FbHal for Ga102 { 22 fn read_sysmem_flush_page(&self, bar: Bar0<'_>) -> u64 { 23 super::ga100::read_sysmem_flush_page_ga100(bar) 24 } 25 26 fn write_sysmem_flush_page(&self, bar: Bar0<'_>, addr: u64) -> Result { 27 super::ga100::write_sysmem_flush_page_ga100(bar, addr); 28 29 Ok(()) 30 } 31 32 fn supports_display(&self, bar: Bar0<'_>) -> bool { 33 super::ga100::display_enabled_ga100(bar) 34 } 35 36 fn vidmem_size(&self, bar: Bar0<'_>) -> u64 { 37 vidmem_size_ga102(bar) 38 } 39 40 fn pmu_reserved_size(&self) -> u32 { 41 super::tu102::pmu_reserved_size_tu102() 42 } 43 44 fn non_wpr_heap_size(&self) -> u32 { 45 super::tu102::non_wpr_heap_size_tu102() 46 } 47 48 fn frts_size(&self) -> u64 { 49 super::tu102::frts_size_tu102() 50 } 51 } 52 53 const GA102: Ga102 = Ga102; 54 pub(super) const GA102_HAL: &dyn FbHal = &GA102; 55