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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2020-05-12 12:18:21 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2020-05-12 12:18:21 -0700 |
commit | 0fdc50dfab47d525b71a9f0d8310746cdc0c09c5 (patch) | |
tree | 42f5f09f2c8677389136541815394b76fba07600 /drivers/gpu/drm/nouveau/nvkm/subdev/secboot/hs_ucode.c | |
parent | Input: add driver for the Cypress CY8CTMA140 touchscreen (diff) | |
parent | Linux 5.6 (diff) | |
download | linux-dev-0fdc50dfab47d525b71a9f0d8310746cdc0c09c5.tar.xz linux-dev-0fdc50dfab47d525b71a9f0d8310746cdc0c09c5.zip |
Merge tag 'v5.6' into next
Sync up with mainline to get device tree and other changes.
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/secboot/hs_ucode.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/secboot/hs_ucode.c | 97 |
1 files changed, 0 insertions, 97 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/hs_ucode.c b/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/hs_ucode.c deleted file mode 100644 index 6b33182ddc2f..000000000000 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/secboot/hs_ucode.c +++ /dev/null @@ -1,97 +0,0 @@ -/* - * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved. - * - * 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 AUTHORS OR COPYRIGHT HOLDERS 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 "hs_ucode.h" -#include "ls_ucode.h" -#include "acr.h" - -#include <engine/falcon.h> - -/** - * hs_ucode_patch_signature() - patch HS blob with correct signature for - * specified falcon. - */ -static void -hs_ucode_patch_signature(const struct nvkm_falcon *falcon, void *acr_image, - bool new_format) -{ - struct fw_bin_header *hsbin_hdr = acr_image; - struct hsf_fw_header *fw_hdr = acr_image + hsbin_hdr->header_offset; - void *hs_data = acr_image + hsbin_hdr->data_offset; - void *sig; - u32 sig_size; - u32 patch_loc, patch_sig; - - /* - * I had the brilliant idea to "improve" the binary format by - * removing this useless indirection. However to make NVIDIA files - * directly compatible, let's support both format. - */ - if (new_format) { - patch_loc = fw_hdr->patch_loc; - patch_sig = fw_hdr->patch_sig; - } else { - patch_loc = *(u32 *)(acr_image + fw_hdr->patch_loc); - patch_sig = *(u32 *)(acr_image + fw_hdr->patch_sig); - } - - /* Falcon in debug or production mode? */ - if (falcon->debug) { - sig = acr_image + fw_hdr->sig_dbg_offset; - sig_size = fw_hdr->sig_dbg_size; - } else { - sig = acr_image + fw_hdr->sig_prod_offset; - sig_size = fw_hdr->sig_prod_size; - } - - /* Patch signature */ - memcpy(hs_data + patch_loc, sig + patch_sig, sig_size); -} - -void * -hs_ucode_load_blob(struct nvkm_subdev *subdev, const struct nvkm_falcon *falcon, - const char *fw) -{ - void *acr_image; - bool new_format; - - acr_image = nvkm_acr_load_firmware(subdev, fw, 0); - if (IS_ERR(acr_image)) - return acr_image; - - /* detect the format to define how signature should be patched */ - switch (((u32 *)acr_image)[0]) { - case 0x3b1d14f0: - new_format = true; - break; - case 0x000010de: - new_format = false; - break; - default: - nvkm_error(subdev, "unknown header for HS blob %s\n", fw); - return ERR_PTR(-EINVAL); - } - - hs_ucode_patch_signature(falcon, acr_image, new_format); - - return acr_image; -} |