Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0
2
3use kernel::{bindings, c_str, device::Core, pci, prelude::*};
4
5use crate::gpu::Gpu;
6
7#[pin_data]
8pub(crate) struct NovaCore {
9 #[pin]
10 pub(crate) gpu: Gpu,
11}
12
13const BAR0_SIZE: usize = 8;
14pub(crate) type Bar0 = pci::Bar<BAR0_SIZE>;
15
16kernel::pci_device_table!(
17 PCI_TABLE,
18 MODULE_PCI_TABLE,
19 <NovaCore as pci::Driver>::IdInfo,
20 [(
21 pci::DeviceId::from_id(bindings::PCI_VENDOR_ID_NVIDIA, bindings::PCI_ANY_ID as _),
22 ()
23 )]
24);
25
26impl pci::Driver for NovaCore {
27 type IdInfo = ();
28 const ID_TABLE: pci::IdTable<Self::IdInfo> = &PCI_TABLE;
29
30 fn probe(pdev: &pci::Device<Core>, _info: &Self::IdInfo) -> Result<Pin<KBox<Self>>> {
31 dev_dbg!(pdev.as_ref(), "Probe Nova Core GPU driver.\n");
32
33 pdev.enable_device_mem()?;
34 pdev.set_master();
35
36 let bar = pdev.iomap_region_sized::<BAR0_SIZE>(0, c_str!("nova-core/bar0"))?;
37
38 let this = KBox::pin_init(
39 try_pin_init!(Self {
40 gpu <- Gpu::new(pdev, bar)?,
41 }),
42 GFP_KERNEL,
43 )?;
44
45 Ok(this)
46 }
47}