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path: root/drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c177
1 files changed, 177 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c b/drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c
new file mode 100644
index 000000000..a6ea89a5d
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c
@@ -0,0 +1,177 @@
+/*
+ * Copyright 2019 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "priv.h"
+
+#include <core/firmware.h>
+
+#include <nvfw/fw.h>
+#include <nvfw/hs.h>
+
+static void
+nvkm_acr_hsfw_del(struct nvkm_acr_hsfw *hsfw)
+{
+ list_del(&hsfw->head);
+ kfree(hsfw->imem);
+ kfree(hsfw->image);
+ kfree(hsfw->sig.prod.data);
+ kfree(hsfw->sig.dbg.data);
+ kfree(hsfw);
+}
+
+void
+nvkm_acr_hsfw_del_all(struct nvkm_acr *acr)
+{
+ struct nvkm_acr_hsfw *hsfw, *hsft;
+ list_for_each_entry_safe(hsfw, hsft, &acr->hsfw, head) {
+ nvkm_acr_hsfw_del(hsfw);
+ }
+}
+
+static int
+nvkm_acr_hsfw_load_image(struct nvkm_acr *acr, const char *name, int ver,
+ struct nvkm_acr_hsfw *hsfw)
+{
+ struct nvkm_subdev *subdev = &acr->subdev;
+ const struct firmware *fw;
+ const struct nvfw_bin_hdr *hdr;
+ const struct nvfw_hs_header *fwhdr;
+ const struct nvfw_hs_load_header *lhdr;
+ u32 loc, sig;
+ int ret;
+
+ ret = nvkm_firmware_get(subdev, name, ver, &fw);
+ if (ret < 0)
+ return ret;
+
+ hdr = nvfw_bin_hdr(subdev, fw->data);
+ fwhdr = nvfw_hs_header(subdev, fw->data + hdr->header_offset);
+
+ /* Earlier FW releases by NVIDIA for Nouveau's use aren't in NVIDIA's
+ * standard format, and don't have the indirection seen in the 0x10de
+ * case.
+ */
+ switch (hdr->bin_magic) {
+ case 0x000010de:
+ loc = *(u32 *)(fw->data + fwhdr->patch_loc);
+ sig = *(u32 *)(fw->data + fwhdr->patch_sig);
+ break;
+ case 0x3b1d14f0:
+ loc = fwhdr->patch_loc;
+ sig = fwhdr->patch_sig;
+ break;
+ default:
+ ret = -EINVAL;
+ goto done;
+ }
+
+ lhdr = nvfw_hs_load_header(subdev, fw->data + fwhdr->hdr_offset);
+
+ if (!(hsfw->image = kmalloc(hdr->data_size, GFP_KERNEL))) {
+ ret = -ENOMEM;
+ goto done;
+ }
+
+ memcpy(hsfw->image, fw->data + hdr->data_offset, hdr->data_size);
+ hsfw->image_size = hdr->data_size;
+ hsfw->non_sec_addr = lhdr->non_sec_code_off;
+ hsfw->non_sec_size = lhdr->non_sec_code_size;
+ hsfw->sec_addr = lhdr->apps[0];
+ hsfw->sec_size = lhdr->apps[lhdr->num_apps];
+ hsfw->data_addr = lhdr->data_dma_base;
+ hsfw->data_size = lhdr->data_size;
+
+ hsfw->sig.prod.size = fwhdr->sig_prod_size;
+ hsfw->sig.prod.data = kmemdup(fw->data + fwhdr->sig_prod_offset + sig,
+ hsfw->sig.prod.size, GFP_KERNEL);
+ if (!hsfw->sig.prod.data) {
+ ret = -ENOMEM;
+ goto done;
+ }
+
+ hsfw->sig.dbg.size = fwhdr->sig_dbg_size;
+ hsfw->sig.dbg.data = kmemdup(fw->data + fwhdr->sig_dbg_offset + sig,
+ hsfw->sig.dbg.size, GFP_KERNEL);
+ if (!hsfw->sig.dbg.data) {
+ ret = -ENOMEM;
+ goto done;
+ }
+
+ hsfw->sig.patch_loc = loc;
+done:
+ nvkm_firmware_put(fw);
+ return ret;
+}
+
+static int
+nvkm_acr_hsfw_load_bl(struct nvkm_acr *acr, const char *name, int ver,
+ struct nvkm_acr_hsfw *hsfw)
+{
+ struct nvkm_subdev *subdev = &acr->subdev;
+ const struct nvfw_bin_hdr *hdr;
+ const struct nvfw_bl_desc *desc;
+ const struct firmware *fw;
+ u8 *data;
+ int ret;
+
+ ret = nvkm_firmware_get(subdev, name, ver, &fw);
+ if (ret)
+ return ret;
+
+ hdr = nvfw_bin_hdr(subdev, fw->data);
+ desc = nvfw_bl_desc(subdev, fw->data + hdr->header_offset);
+ data = (void *)fw->data + hdr->data_offset;
+
+ hsfw->imem_size = desc->code_size;
+ hsfw->imem_tag = desc->start_tag;
+ hsfw->imem = kmemdup(data + desc->code_off, desc->code_size, GFP_KERNEL);
+ nvkm_firmware_put(fw);
+ if (!hsfw->imem)
+ return -ENOMEM;
+ else
+ return 0;
+}
+
+int
+nvkm_acr_hsfw_load(struct nvkm_acr *acr, const char *bl, const char *fw,
+ const char *name, int version,
+ const struct nvkm_acr_hsf_fwif *fwif)
+{
+ struct nvkm_acr_hsfw *hsfw;
+ int ret;
+
+ if (!(hsfw = kzalloc(sizeof(*hsfw), GFP_KERNEL)))
+ return -ENOMEM;
+
+ hsfw->func = fwif->func;
+ hsfw->name = name;
+ list_add_tail(&hsfw->head, &acr->hsfw);
+
+ ret = nvkm_acr_hsfw_load_bl(acr, bl, version, hsfw);
+ if (ret)
+ goto done;
+
+ ret = nvkm_acr_hsfw_load_image(acr, fw, version, hsfw);
+done:
+ if (ret)
+ nvkm_acr_hsfw_del(hsfw);
+ return ret;
+}