diff options
Diffstat (limited to 'drivers/gpu/nova-core/driver.rs')
-rw-r--r-- | drivers/gpu/nova-core/driver.rs | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/gpu/nova-core/driver.rs b/drivers/gpu/nova-core/driver.rs new file mode 100644 index 000000000000..a08fb6599267 --- /dev/null +++ b/drivers/gpu/nova-core/driver.rs @@ -0,0 +1,47 @@ +// SPDX-License-Identifier: GPL-2.0 + +use kernel::{bindings, c_str, device::Core, pci, prelude::*}; + +use crate::gpu::Gpu; + +#[pin_data] +pub(crate) struct NovaCore { + #[pin] + pub(crate) gpu: Gpu, +} + +const BAR0_SIZE: usize = 8; +pub(crate) type Bar0 = pci::Bar<BAR0_SIZE>; + +kernel::pci_device_table!( + PCI_TABLE, + MODULE_PCI_TABLE, + <NovaCore as pci::Driver>::IdInfo, + [( + pci::DeviceId::from_id(bindings::PCI_VENDOR_ID_NVIDIA, bindings::PCI_ANY_ID as _), + () + )] +); + +impl pci::Driver for NovaCore { + type IdInfo = (); + const ID_TABLE: pci::IdTable<Self::IdInfo> = &PCI_TABLE; + + fn probe(pdev: &pci::Device<Core>, _info: &Self::IdInfo) -> Result<Pin<KBox<Self>>> { + dev_dbg!(pdev.as_ref(), "Probe Nova Core GPU driver.\n"); + + pdev.enable_device_mem()?; + pdev.set_master(); + + let bar = pdev.iomap_region_sized::<BAR0_SIZE>(0, c_str!("nova-core/bar0"))?; + + let this = KBox::pin_init( + try_pin_init!(Self { + gpu <- Gpu::new(pdev, bar)?, + }), + GFP_KERNEL, + )?; + + Ok(this) + } +} |