[PATCH v2 09/21] gpu: nova-core: move Firmware to firmware module

[Alexandre Courbot <acourbot@nvidia.com>]

We will extend the firmware methods, so move it to its own module
instead to keep gpu.rs focused.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
---
 drivers/gpu/nova-core/firmware.rs | 46 +++++++++++++++++++++++++++++++++++++--
 drivers/gpu/nova-core/gpu.rs      | 35 +++--------------------------
 2 files changed, 47 insertions(+), 34 deletions(-)

diff --git a/drivers/gpu/nova-core/firmware.rs b/drivers/gpu/nova-core/firmware.rs
index 6e6361c59ca1ae9a52185e66e850ba1db93eb8ce..cb79d039948858e657c9a23a62ed27ff780ac169 100644
--- a/drivers/gpu/nova-core/firmware.rs
+++ b/drivers/gpu/nova-core/firmware.rs
@@ -1,12 +1,54 @@
 // SPDX-License-Identifier: GPL-2.0
 
-use crate::gpu;
+//! Contains structures and functions dedicated to the parsing, building and patching of firmwares
+//! to be loaded into a given execution unit.
+
+use kernel::device;
 use kernel::firmware;
+use kernel::prelude::*;
+use kernel::str::CString;
+
+use crate::gpu;
+use crate::gpu::Chipset;
+
+pub(crate) const FIRMWARE_VERSION: &str = "535.113.01";
+
+/// Structure encapsulating the firmware blobs required for the GPU to operate.
+#[expect(dead_code)]
+pub(crate) struct Firmware {
+    pub booter_load: firmware::Firmware,
+    pub booter_unload: firmware::Firmware,
+    pub bootloader: firmware::Firmware,
+    pub gsp: firmware::Firmware,
+}
+
+impl Firmware {
+    pub(crate) fn new(
+        dev: &device::Device<device::Bound>,
+        chipset: Chipset,
+        ver: &str,
+    ) -> Result<Firmware> {
+        let mut chip_name = CString::try_from_fmt(fmt!("{}", chipset))?;
+        chip_name.make_ascii_lowercase();
+
+        let request = |name_| {
+            CString::try_from_fmt(fmt!("nvidia/{}/gsp/{}-{}.bin", &*chip_name, name_, ver))
+                .and_then(|path| firmware::Firmware::request(&path, dev))
+        };
+
+        Ok(Firmware {
+            booter_load: request("booter_load")?,
+            booter_unload: request("booter_unload")?,
+            bootloader: request("bootloader")?,
+            gsp: request("gsp")?,
+        })
+    }
+}
 
 pub(crate) struct ModInfoBuilder<const N: usize>(firmware::ModInfoBuilder<N>);
 
 impl<const N: usize> ModInfoBuilder<N> {
-    const VERSION: &'static str = "535.113.01";
+    const VERSION: &'static str = FIRMWARE_VERSION;
 
     const fn make_entry_file(self, chipset: &str, fw: &str) -> Self {
         ModInfoBuilder(
diff --git a/drivers/gpu/nova-core/gpu.rs b/drivers/gpu/nova-core/gpu.rs
index 275b005d262e0a01a9ef1498836ef3c3019cb497..b1ee465de907432325c4d0e0dead3a52e81ed067 100644
--- a/drivers/gpu/nova-core/gpu.rs
+++ b/drivers/gpu/nova-core/gpu.rs
@@ -1,10 +1,9 @@
 // SPDX-License-Identifier: GPL-2.0
 
-use kernel::{
-    device, devres::Devres, error::code::*, firmware, fmt, pci, prelude::*, str::CString,
-};
+use kernel::{device, devres::Devres, error::code::*, pci, prelude::*};
 
 use crate::driver::Bar0;
+use crate::firmware::Firmware;
 use crate::regs;
 use crate::util;
 use core::fmt;
@@ -157,34 +156,6 @@ fn new(bar: &Devres<Bar0>) -> Result<Spec> {
     }
 }
 
-/// Structure encapsulating the firmware blobs required for the GPU to operate.
-#[expect(dead_code)]
-pub(crate) struct Firmware {
-    booter_load: firmware::Firmware,
-    booter_unload: firmware::Firmware,
-    bootloader: firmware::Firmware,
-    gsp: firmware::Firmware,
-}
-
-impl Firmware {
-    fn new(dev: &device::Device, spec: &Spec, ver: &str) -> Result<Firmware> {
-        let mut chip_name = CString::try_from_fmt(fmt!("{}", spec.chipset))?;
-        chip_name.make_ascii_lowercase();
-
-        let request = |name_| {
-            CString::try_from_fmt(fmt!("nvidia/{}/gsp/{}-{}.bin", &*chip_name, name_, ver))
-                .and_then(|path| firmware::Firmware::request(&path, dev))
-        };
-
-        Ok(Firmware {
-            booter_load: request("booter_load")?,
-            booter_unload: request("booter_unload")?,
-            bootloader: request("bootloader")?,
-            gsp: request("gsp")?,
-        })
-    }
-}
-
 /// Structure holding the resources required to operate the GPU.
 #[pin_data]
 pub(crate) struct Gpu {
@@ -200,7 +171,7 @@ pub(crate) fn new(
         bar: Devres<Bar0>,
     ) -> Result<impl PinInit<Self>> {
         let spec = Spec::new(&bar)?;
-        let fw = Firmware::new(pdev.as_ref(), &spec, "535.113.01")?;
+        let fw = Firmware::new(pdev.as_ref(), spec.chipset, "535.113.01")?;
 
         dev_info!(
             pdev.as_ref(),

-- 
2.49.0