diff options
Diffstat (limited to 'drivers/gpu/nova-core/falcon/gsp.rs')
-rw-r--r-- | drivers/gpu/nova-core/falcon/gsp.rs | 24 |
1 files changed, 24 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..d622e9a64470 --- /dev/null +++ b/drivers/gpu/nova-core/falcon/gsp.rs @@ -0,0 +1,24 @@ +// SPDX-License-Identifier: GPL-2.0 + +use crate::{ + driver::Bar0, + falcon::{Falcon, FalconEngine}, + regs, +}; + +/// Type specifying the `Gsp` falcon engine. Cannot be instantiated. +pub(crate) struct Gsp(()); + +impl FalconEngine for Gsp { + const BASE: usize = 0x00110000; +} + +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::BASE); + } +} |