mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-09-04 20:19:47 +08:00
e041d81a03
Register an auxiliary device for nova-drm. For now always use zero for the auxiliary device's ID; we don't use it yet anyways. However, once it lands, we should switch to XArray. Acked-by: Dave Airlie <airlied@redhat.com> Link: https://lore.kernel.org/r/20250424160452.8070-2-dakr@kernel.org Signed-off-by: Danilo Krummrich <dakr@kernel.org>
55 lines
1.4 KiB
Rust
55 lines
1.4 KiB
Rust
// SPDX-License-Identifier: GPL-2.0
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use kernel::{auxiliary, bindings, c_str, device::Core, pci, prelude::*};
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use crate::gpu::Gpu;
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#[pin_data]
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pub(crate) struct NovaCore {
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#[pin]
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pub(crate) gpu: Gpu,
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_reg: auxiliary::Registration,
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}
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const BAR0_SIZE: usize = 8;
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pub(crate) type Bar0 = pci::Bar<BAR0_SIZE>;
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kernel::pci_device_table!(
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PCI_TABLE,
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MODULE_PCI_TABLE,
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<NovaCore as pci::Driver>::IdInfo,
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[(
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pci::DeviceId::from_id(bindings::PCI_VENDOR_ID_NVIDIA, bindings::PCI_ANY_ID as _),
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()
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)]
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);
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impl pci::Driver for NovaCore {
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type IdInfo = ();
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const ID_TABLE: pci::IdTable<Self::IdInfo> = &PCI_TABLE;
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fn probe(pdev: &pci::Device<Core>, _info: &Self::IdInfo) -> Result<Pin<KBox<Self>>> {
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dev_dbg!(pdev.as_ref(), "Probe Nova Core GPU driver.\n");
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pdev.enable_device_mem()?;
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pdev.set_master();
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let bar = pdev.iomap_region_sized::<BAR0_SIZE>(0, c_str!("nova-core/bar0"))?;
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let this = KBox::pin_init(
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try_pin_init!(Self {
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gpu <- Gpu::new(pdev, bar)?,
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_reg: auxiliary::Registration::new(
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pdev.as_ref(),
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c_str!("nova-drm"),
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0, // TODO: Once it lands, use XArray; for now we don't use the ID.
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crate::MODULE_NAME
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)?,
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}),
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GFP_KERNEL,
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)?;
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Ok(this)
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}
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}
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