drm/nouveau/flcn: new code to load+boot simple HS FWs (VPR scrubber)

Adds the start of common interfaces to load and boot the HS binaries
provided by NVIDIA that enable the usage of GR.

ACR already handles most of this, but it's very much tied into ACR's
init process, and there's other code that could benefit from reusing
a lot of this stuff too (ie. VBIOS DEVINIT/PreOS, VPR scrubber).

The VPR scrubber code is fairly independent, and a good first target.

- adds better debug output to fw loading process, to ease bring-up/debug

v2:
- whitespace, 0->false

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>

1 files changed, 7 insertions, 56 deletions

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp102.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp102.c
index 0e78b3d734a0..e15ac4b7598e 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp102.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fb/gp102.c
@@ -24,71 +24,22 @@
 #include "gf100.h"
 #include "ram.h"
 
-#include <core/firmware.h>
-#include <core/memory.h>
-#include <nvfw/fw.h>
-#include <nvfw/hs.h>
 #include <engine/nvdec.h>
 
 int
 gp102_fb_vpr_scrub(struct nvkm_fb *fb)
 {
 	struct nvkm_subdev *subdev = &fb->subdev;
-	struct nvkm_device *device = subdev->device;
-	struct nvkm_falcon *falcon = &device->nvdec[0]->falcon;
-	struct nvkm_blob *blob = &fb->vpr_scrubber;
-	const struct nvfw_bin_hdr *hsbin_hdr;
-	const struct nvfw_hs_header *fw_hdr;
-	const struct nvfw_hs_load_header *lhdr;
-	void *scrub_data;
-	u32 patch_loc, patch_sig;
+	struct nvkm_falcon_fw fw = {};
 	int ret;
 
-	nvkm_falcon_get(falcon, subdev);
-
-	hsbin_hdr = nvfw_bin_hdr(subdev, blob->data);
-	fw_hdr = nvfw_hs_header(subdev, blob->data + hsbin_hdr->header_offset);
-	lhdr = nvfw_hs_load_header(subdev, blob->data + fw_hdr->hdr_offset);
-	scrub_data = blob->data + hsbin_hdr->data_offset;
-
-	patch_loc = *(u32 *)(blob->data + fw_hdr->patch_loc);
-	patch_sig = *(u32 *)(blob->data + fw_hdr->patch_sig);
-	if (falcon->debug) {
-		memcpy(scrub_data + patch_loc,
-		       blob->data + fw_hdr->sig_dbg_offset + patch_sig,
-		       fw_hdr->sig_dbg_size);
-	} else {
-		memcpy(scrub_data + patch_loc,
-		       blob->data + fw_hdr->sig_prod_offset + patch_sig,
-		       fw_hdr->sig_prod_size);
-	}
-
-	nvkm_falcon_reset(falcon);
-	nvkm_falcon_bind_context(falcon, NULL);
-
-	nvkm_falcon_load_imem(falcon, scrub_data, lhdr->non_sec_code_off,
-			      lhdr->non_sec_code_size,
-			      lhdr->non_sec_code_off >> 8, 0, false);
-	nvkm_falcon_load_imem(falcon, scrub_data + lhdr->apps[0],
-			      ALIGN(lhdr->apps[0], 0x100),
-			      lhdr->apps[1],
-			      lhdr->apps[0] >> 8, 0, true);
-	nvkm_falcon_load_dmem(falcon, scrub_data + lhdr->data_dma_base, 0,
-			      lhdr->data_size, 0);
-
-	nvkm_falcon_set_start_addr(falcon, 0x0);
-	nvkm_falcon_start(falcon);
-
-	ret = nvkm_falcon_wait_for_halt(falcon, 500);
-	if (ret < 0) {
-		ret = -ETIMEDOUT;
-		goto end;
-	}
+	ret = nvkm_falcon_fw_ctor_hs(&gm200_flcn_fw, "mem-unlock", subdev, NULL,
+				     "nvdec/scrubber", 0, &subdev->device->nvdec[0]->falcon, &fw);
+	if (ret)
+		return ret;
 
-	/* put nvdec in clean state - without reset it will remain in HS mode */
-	nvkm_falcon_reset(falcon);
-end:
-	nvkm_falcon_put(falcon, subdev);
+	ret = nvkm_falcon_fw_boot(&fw, subdev, true, NULL, NULL, 0, 0x00000000);
+	nvkm_falcon_fw_dtor(&fw);
 	return ret;
 }