diff options
Diffstat (limited to 'drivers/gpu/drm/nova/driver.rs')
-rw-r--r-- | drivers/gpu/drm/nova/driver.rs | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nova/driver.rs b/drivers/gpu/drm/nova/driver.rs new file mode 100644 index 000000000000..b28b2e05cc15 --- /dev/null +++ b/drivers/gpu/drm/nova/driver.rs @@ -0,0 +1,69 @@ +// SPDX-License-Identifier: GPL-2.0 + +use kernel::{auxiliary, c_str, device::Core, drm, drm::gem, drm::ioctl, prelude::*, types::ARef}; + +use crate::file::File; +use crate::gem::NovaObject; + +pub(crate) struct NovaDriver { + #[expect(unused)] + drm: ARef<drm::Device<Self>>, +} + +/// Convienence type alias for the DRM device type for this driver +pub(crate) type NovaDevice = drm::Device<NovaDriver>; + +#[pin_data] +pub(crate) struct NovaData { + pub(crate) adev: ARef<auxiliary::Device>, +} + +const INFO: drm::DriverInfo = drm::DriverInfo { + major: 0, + minor: 0, + patchlevel: 0, + name: c_str!("nova"), + desc: c_str!("Nvidia Graphics"), +}; + +const NOVA_CORE_MODULE_NAME: &CStr = c_str!("NovaCore"); +const AUXILIARY_NAME: &CStr = c_str!("nova-drm"); + +kernel::auxiliary_device_table!( + AUX_TABLE, + MODULE_AUX_TABLE, + <NovaDriver as auxiliary::Driver>::IdInfo, + [( + auxiliary::DeviceId::new(NOVA_CORE_MODULE_NAME, AUXILIARY_NAME), + () + )] +); + +impl auxiliary::Driver for NovaDriver { + type IdInfo = (); + const ID_TABLE: auxiliary::IdTable<Self::IdInfo> = &AUX_TABLE; + + fn probe(adev: &auxiliary::Device<Core>, _info: &Self::IdInfo) -> Result<Pin<KBox<Self>>> { + let data = try_pin_init!(NovaData { adev: adev.into() }); + + let drm = drm::Device::<Self>::new(adev.as_ref(), data)?; + drm::Registration::new_foreign_owned(&drm, adev.as_ref(), 0)?; + + Ok(KBox::new(Self { drm }, GFP_KERNEL)?.into()) + } +} + +#[vtable] +impl drm::Driver for NovaDriver { + type Data = NovaData; + type File = File; + type Object = gem::Object<NovaObject>; + + const INFO: drm::DriverInfo = INFO; + + kernel::declare_drm_ioctls! { + (NOVA_GETPARAM, drm_nova_getparam, ioctl::RENDER_ALLOW, File::get_param), + (NOVA_GEM_CREATE, drm_nova_gem_create, ioctl::AUTH | ioctl::RENDER_ALLOW, File::gem_create), + (NOVA_GEM_INFO, drm_nova_gem_info, ioctl::AUTH | ioctl::RENDER_ALLOW, File::gem_info), + } +} |