1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/gpu/nova-core/falcon/gsp.rs b/drivers/gpu/nova-core/falcon/gsp.rs
new file mode 100644
index 000000000000..f17599cb49fa
--- /dev/null
+++ b/drivers/gpu/nova-core/falcon/gsp.rs
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0
+
+use crate::{
+    driver::Bar0,
+    falcon::{Falcon, FalconEngine, PFalcon2Base, PFalconBase},
+    regs::{self, macros::RegisterBase},
+};
+
+/// Type specifying the `Gsp` falcon engine. Cannot be instantiated.
+pub(crate) struct Gsp(());
+
+impl RegisterBase<PFalconBase> for Gsp {
+    const BASE: usize = 0x00110000;
+}
+
+impl RegisterBase<PFalcon2Base> for Gsp {
+    const BASE: usize = 0x00111000;
+}
+
+impl FalconEngine for Gsp {
+    const ID: Self = Gsp(());
+}
+
+impl Falcon<Gsp> {
+    /// Clears the SWGEN0 bit in the Falcon's IRQ status clear register to
+    /// allow GSP to signal CPU for processing new messages in message queue.
+    pub(crate) fn clear_swgen0_intr(&self, bar: &Bar0) {
+        regs::NV_PFALCON_FALCON_IRQSCLR::default()
+            .set_swgen0(true)
+            .write(bar, &Gsp::ID);
+    }
+}