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path: root/drivers/gpu/drm/nova/driver.rs
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Diffstat (limited to 'drivers/gpu/drm/nova/driver.rs')
-rw-r--r--drivers/gpu/drm/nova/driver.rs69
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),
+ }
+}