drm/nouveau/pmu: select implementation based on available firmware

This will allow for further customisation of the subdev depending on what
firmware is available.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/nvkm/subdev/pmu/base.c

@@ -23,6 +23,7 @@
  */
 #include "priv.h"
 
+#include <core/firmware.h>
 #include <core/msgqueue.h>
 #include <subdev/timer.h>
 
@@ -160,22 +161,28 @@ nvkm_pmu = {
 };
 
 int
-nvkm_pmu_ctor(const struct nvkm_pmu_func *func, struct nvkm_device *device,
+nvkm_pmu_ctor(const struct nvkm_pmu_fwif *fwif, struct nvkm_device *device,
 	      int index, struct nvkm_pmu *pmu)
 {
 	nvkm_subdev_ctor(&nvkm_pmu, device, index, &pmu->subdev);
-	pmu->func = func;
+
 	INIT_WORK(&pmu->recv.work, nvkm_pmu_recv);
 	init_waitqueue_head(&pmu->recv.wait);
+
+	fwif = nvkm_firmware_load(&pmu->subdev, fwif, "Pmu", pmu);
+	if (IS_ERR(fwif))
+		return PTR_ERR(fwif);
+
+	pmu->func = fwif->func;
 	return 0;
 }
 
 int
-nvkm_pmu_new_(const struct nvkm_pmu_func *func, struct nvkm_device *device,
+nvkm_pmu_new_(const struct nvkm_pmu_fwif *fwif, struct nvkm_device *device,
 	      int index, struct nvkm_pmu **ppmu)
 {
 	struct nvkm_pmu *pmu;
 	if (!(pmu = *ppmu = kzalloc(sizeof(*pmu), GFP_KERNEL)))
 		return -ENOMEM;
-	return nvkm_pmu_ctor(func, device, index, *ppmu);
+	return nvkm_pmu_ctor(fwif, device, index, *ppmu);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gf100.c

@@ -55,8 +55,20 @@ gf100_pmu = {
 	.recv = gt215_pmu_recv,
 };
 
+int
+gf100_pmu_nofw(struct nvkm_pmu *pmu, int ver, const struct nvkm_pmu_fwif *fwif)
+{
+	return 0;
+}
+
+static const struct nvkm_pmu_fwif
+gf100_pmu_fwif[] = {
+	{ -1, gf100_pmu_nofw, &gf100_pmu },
+	{}
+};
+
 int
 gf100_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu)
 {
-	return nvkm_pmu_new_(&gf100_pmu, device, index, ppmu);
+	return nvkm_pmu_new_(gf100_pmu_fwif, device, index, ppmu);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gf119.c

@@ -39,8 +39,14 @@ gf119_pmu = {
 	.recv = gt215_pmu_recv,
 };
 
+static const struct nvkm_pmu_fwif
+gf119_pmu_fwif[] = {
+	{ -1, gf100_pmu_nofw, &gf119_pmu },
+	{}
+};
+
 int
 gf119_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu)
 {
-	return nvkm_pmu_new_(&gf119_pmu, device, index, ppmu);
+	return nvkm_pmu_new_(gf119_pmu_fwif, device, index, ppmu);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk104.c

@@ -119,8 +119,14 @@ gk104_pmu = {
 	.pgob = gk104_pmu_pgob,
 };
 
+static const struct nvkm_pmu_fwif
+gk104_pmu_fwif[] = {
+	{ -1, gf100_pmu_nofw, &gk104_pmu },
+	{}
+};
+
 int
 gk104_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu)
 {
-	return nvkm_pmu_new_(&gk104_pmu, device, index, ppmu);
+	return nvkm_pmu_new_(gk104_pmu_fwif, device, index, ppmu);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk110.c

@@ -98,8 +98,14 @@ gk110_pmu = {
 	.pgob = gk110_pmu_pgob,
 };
 
+static const struct nvkm_pmu_fwif
+gk110_pmu_fwif[] = {
+	{ -1, gf100_pmu_nofw, &gk110_pmu },
+	{}
+};
+
 int
 gk110_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu)
 {
-	return nvkm_pmu_new_(&gk110_pmu, device, index, ppmu);
+	return nvkm_pmu_new_(gk110_pmu_fwif, device, index, ppmu);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk208.c

@@ -40,8 +40,14 @@ gk208_pmu = {
 	.pgob = gk110_pmu_pgob,
 };
 
+static const struct nvkm_pmu_fwif
+gk208_pmu_fwif[] = {
+	{ -1, gf100_pmu_nofw, &gk208_pmu },
+	{}
+};
+
 int
 gk208_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu)
 {
-	return nvkm_pmu_new_(&gk208_pmu, device, index, ppmu);
+	return nvkm_pmu_new_(gk208_pmu_fwif, device, index, ppmu);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk20a.c

@@ -202,19 +202,27 @@ gk20a_pmu = {
 	.reset = gf100_pmu_reset,
 };
 
+static const struct nvkm_pmu_fwif
+gk20a_pmu_fwif[] = {
+	{ -1, gf100_pmu_nofw, &gk20a_pmu },
+	{}
+};
+
 int
 gk20a_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu)
 {
 	struct gk20a_pmu *pmu;
+	int ret;
 
 	if (!(pmu = kzalloc(sizeof(*pmu), GFP_KERNEL)))
 		return -ENOMEM;
 	*ppmu = &pmu->base;
 
-	nvkm_pmu_ctor(&gk20a_pmu, device, index, &pmu->base);
+	ret = nvkm_pmu_ctor(gk20a_pmu_fwif, device, index, &pmu->base);
+	if (ret)
+		return ret;
 
 	pmu->data = &gk20a_dvfs_data;
 	nvkm_alarm_init(&pmu->alarm, gk20a_pmu_dvfs_work);
-
 	return 0;
 }

drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm107.c

@@ -41,8 +41,14 @@ gm107_pmu = {
 	.recv = gt215_pmu_recv,
 };
 
+static const struct nvkm_pmu_fwif
+gm107_pmu_fwif[] = {
+	{ -1, gf100_pmu_nofw, &gm107_pmu },
+	{}
+};
+
 int
 gm107_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu)
 {
-	return nvkm_pmu_new_(&gm107_pmu, device, index, ppmu);
+	return nvkm_pmu_new_(gm107_pmu_fwif, device, index, ppmu);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c

@@ -21,7 +21,11 @@
  */
 #include "priv.h"
 #include <core/msgqueue.h>
-#include <engine/falcon.h>
+#include <subdev/acr.h>
+
+static const struct nvkm_acr_lsf_func
+gm20b_pmu_acr = {
+};
 
 void
 gm20b_pmu_recv(struct nvkm_pmu *pmu)
@@ -42,8 +46,28 @@ gm20b_pmu = {
 	.recv = gm20b_pmu_recv,
 };
 
+#if IS_ENABLED(CONFIG_ARCH_TEGRA_210_SOC)
+MODULE_FIRMWARE("nvidia/gm20b/pmu/desc.bin");
+MODULE_FIRMWARE("nvidia/gm20b/pmu/image.bin");
+MODULE_FIRMWARE("nvidia/gm20b/pmu/sig.bin");
+#endif
+
+int
+gm20b_pmu_load(struct nvkm_pmu *pmu, int ver, const struct nvkm_pmu_fwif *fwif)
+{
+	return nvkm_acr_lsfw_load_sig_image_desc(&pmu->subdev, pmu->falcon,
+						 NVKM_ACR_LSF_PMU, "pmu/",
+						 ver, fwif->acr);
+}
+
+static const struct nvkm_pmu_fwif
+gm20b_pmu_fwif[] = {
+	{ 0, gm20b_pmu_load, &gm20b_pmu, &gm20b_pmu_acr },
+	{}
+};
+
 int
 gm20b_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu)
 {
-	return nvkm_pmu_new_(&gm20b_pmu, device, index, ppmu);
+	return nvkm_pmu_new_(gm20b_pmu_fwif, device, index, ppmu);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp100.c

@@ -29,8 +29,14 @@ gp100_pmu = {
 	.reset = gf100_pmu_reset,
 };
 
+static const struct nvkm_pmu_fwif
+gp100_pmu_fwif[] = {
+	{ -1, gf100_pmu_nofw, &gp100_pmu },
+	{}
+};
+
 int
 gp100_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu)
 {
-	return nvkm_pmu_new_(&gp100_pmu, device, index, ppmu);
+	return nvkm_pmu_new_(gp100_pmu_fwif, device, index, ppmu);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp102.c

@@ -43,8 +43,14 @@ gp102_pmu = {
 	.reset = gp102_pmu_reset,
 };
 
+static const struct nvkm_pmu_fwif
+gp102_pmu_fwif[] = {
+	{ -1, gf100_pmu_nofw, &gp102_pmu },
+	{}
+};
+
 int
 gp102_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu)
 {
-	return nvkm_pmu_new_(&gp102_pmu, device, index, ppmu);
+	return nvkm_pmu_new_(gp102_pmu_fwif, device, index, ppmu);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp10b.c

@@ -20,6 +20,11 @@
  * DEALINGS IN THE SOFTWARE.
  */
 #include "priv.h"
+#include <subdev/acr.h>
+
+static const struct nvkm_acr_lsf_func
+gp10b_pmu_acr = {
+};
 
 static const struct nvkm_pmu_func
 gp10b_pmu = {
@@ -28,8 +33,20 @@ gp10b_pmu = {
 	.recv = gm20b_pmu_recv,
 };
 
+#if IS_ENABLED(CONFIG_ARCH_TEGRA_210_SOC)
+MODULE_FIRMWARE("nvidia/gp10b/pmu/desc.bin");
+MODULE_FIRMWARE("nvidia/gp10b/pmu/image.bin");
+MODULE_FIRMWARE("nvidia/gp10b/pmu/sig.bin");
+#endif
+
+static const struct nvkm_pmu_fwif
+gp10b_pmu_fwif[] = {
+	{ 0, gm20b_pmu_load, &gp10b_pmu, &gp10b_pmu_acr },
+	{}
+};
+
 int
 gp10b_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu)
 {
-	return nvkm_pmu_new_(&gp10b_pmu, device, index, ppmu);
+	return nvkm_pmu_new_(gp10b_pmu_fwif, device, index, ppmu);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gt215.c

@@ -256,8 +256,14 @@ gt215_pmu = {
 	.recv = gt215_pmu_recv,
 };
 
+static const struct nvkm_pmu_fwif
+gt215_pmu_fwif[] = {
+	{ -1, gf100_pmu_nofw, &gt215_pmu },
+	{}
+};
+
 int
 gt215_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu)
 {
-	return nvkm_pmu_new_(&gt215_pmu, device, index, ppmu);
+	return nvkm_pmu_new_(gt215_pmu_fwif, device, index, ppmu);
 }

drivers/gpu/drm/nouveau/nvkm/subdev/pmu/priv.h

@@ -5,11 +5,6 @@
 #include <subdev/pmu.h>
 #include <subdev/pmu/fuc/os.h>
 
-int nvkm_pmu_ctor(const struct nvkm_pmu_func *, struct nvkm_device *,
-		  int index, struct nvkm_pmu *);
-int nvkm_pmu_new_(const struct nvkm_pmu_func *, struct nvkm_device *,
-		  int index, struct nvkm_pmu **);
-
 struct nvkm_pmu_func {
 	struct {
 		u32 *data;
@@ -44,4 +39,19 @@ void gf100_pmu_reset(struct nvkm_pmu *);
 void gk110_pmu_pgob(struct nvkm_pmu *, bool);
 
 void gm20b_pmu_recv(struct nvkm_pmu *);
+
+struct nvkm_pmu_fwif {
+	int version;
+	int (*load)(struct nvkm_pmu *, int ver, const struct nvkm_pmu_fwif *);
+	const struct nvkm_pmu_func *func;
+	const struct nvkm_acr_lsf_func *acr;
+};
+
+int gf100_pmu_nofw(struct nvkm_pmu *, int, const struct nvkm_pmu_fwif *);
+int gm20b_pmu_load(struct nvkm_pmu *, int, const struct nvkm_pmu_fwif *);
+
+int nvkm_pmu_ctor(const struct nvkm_pmu_fwif *, struct nvkm_device *,
+		  int index, struct nvkm_pmu *);
+int nvkm_pmu_new_(const struct nvkm_pmu_fwif *, struct nvkm_device *,
+		  int index, struct nvkm_pmu **);
 #endif

drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gm20b.c

@@ -160,7 +160,4 @@ MODULE_FIRMWARE("nvidia/gm20b/gr/sw_ctx.bin");
 MODULE_FIRMWARE("nvidia/gm20b/gr/sw_nonctx.bin");
 MODULE_FIRMWARE("nvidia/gm20b/gr/sw_bundle_init.bin");
 MODULE_FIRMWARE("nvidia/gm20b/gr/sw_method_init.bin");
-MODULE_FIRMWARE("nvidia/gm20b/pmu/desc.bin");
-MODULE_FIRMWARE("nvidia/gm20b/pmu/image.bin");
-MODULE_FIRMWARE("nvidia/gm20b/pmu/sig.bin");
 #endif

drivers/gpu/drm/nouveau/nvkm/subdev/secboot/gp10b.c

@@ -85,7 +85,4 @@ MODULE_FIRMWARE("nvidia/gp10b/gr/sw_ctx.bin");
 MODULE_FIRMWARE("nvidia/gp10b/gr/sw_nonctx.bin");
 MODULE_FIRMWARE("nvidia/gp10b/gr/sw_bundle_init.bin");
 MODULE_FIRMWARE("nvidia/gp10b/gr/sw_method_init.bin");
-MODULE_FIRMWARE("nvidia/gp10b/pmu/desc.bin");
-MODULE_FIRMWARE("nvidia/gp10b/pmu/image.bin");
-MODULE_FIRMWARE("nvidia/gp10b/pmu/sig.bin");
 #endif