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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/nouveau/nvkm/subdev/acr/lsfw.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/acr/lsfw.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/acr/lsfw.c | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/acr/lsfw.c b/drivers/gpu/drm/nouveau/nvkm/subdev/acr/lsfw.c new file mode 100644 index 000000000..9b1cf6711 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/acr/lsfw.c @@ -0,0 +1,253 @@ +/* + * 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/falcon.h> +#include <core/firmware.h> +#include <nvfw/fw.h> +#include <nvfw/ls.h> + +void +nvkm_acr_lsfw_del(struct nvkm_acr_lsfw *lsfw) +{ + nvkm_blob_dtor(&lsfw->img); + nvkm_firmware_put(lsfw->sig); + list_del(&lsfw->head); + kfree(lsfw); +} + +void +nvkm_acr_lsfw_del_all(struct nvkm_acr *acr) +{ + struct nvkm_acr_lsfw *lsfw, *lsft; + list_for_each_entry_safe(lsfw, lsft, &acr->lsfw, head) { + nvkm_acr_lsfw_del(lsfw); + } +} + +static struct nvkm_acr_lsfw * +nvkm_acr_lsfw_get(struct nvkm_acr *acr, enum nvkm_acr_lsf_id id) +{ + struct nvkm_acr_lsfw *lsfw; + list_for_each_entry(lsfw, &acr->lsfw, head) { + if (lsfw->id == id) + return lsfw; + } + return NULL; +} + +struct nvkm_acr_lsfw * +nvkm_acr_lsfw_add(const struct nvkm_acr_lsf_func *func, struct nvkm_acr *acr, + struct nvkm_falcon *falcon, enum nvkm_acr_lsf_id id) +{ + struct nvkm_acr_lsfw *lsfw; + + if (!acr || list_empty(&acr->hsfw)) + return ERR_PTR(-ENOSYS); + + lsfw = nvkm_acr_lsfw_get(acr, id); + if (lsfw && lsfw->func) { + nvkm_error(&acr->subdev, "LSFW %d redefined\n", id); + return ERR_PTR(-EEXIST); + } + + if (!lsfw) { + if (!(lsfw = kzalloc(sizeof(*lsfw), GFP_KERNEL))) + return ERR_PTR(-ENOMEM); + + lsfw->id = id; + list_add_tail(&lsfw->head, &acr->lsfw); + } + + lsfw->func = func; + lsfw->falcon = falcon; + return lsfw; +} + +static struct nvkm_acr_lsfw * +nvkm_acr_lsfw_load_sig_image_desc_(struct nvkm_subdev *subdev, + struct nvkm_falcon *falcon, + enum nvkm_acr_lsf_id id, + const char *path, int ver, + const struct nvkm_acr_lsf_func *func, + const struct firmware **pdesc) +{ + struct nvkm_acr *acr = subdev->device->acr; + struct nvkm_acr_lsfw *lsfw; + int ret; + + if (IS_ERR((lsfw = nvkm_acr_lsfw_add(func, acr, falcon, id)))) + return lsfw; + + ret = nvkm_firmware_load_name(subdev, path, "sig", ver, &lsfw->sig); + if (ret) + goto done; + + ret = nvkm_firmware_load_blob(subdev, path, "image", ver, &lsfw->img); + if (ret) + goto done; + + ret = nvkm_firmware_load_name(subdev, path, "desc", ver, pdesc); +done: + if (ret) { + nvkm_acr_lsfw_del(lsfw); + return ERR_PTR(ret); + } + + return lsfw; +} + +static void +nvkm_acr_lsfw_from_desc(const struct nvfw_ls_desc_head *desc, + struct nvkm_acr_lsfw *lsfw) +{ + lsfw->bootloader_size = ALIGN(desc->bootloader_size, 256); + lsfw->bootloader_imem_offset = desc->bootloader_imem_offset; + + lsfw->app_size = ALIGN(desc->app_size, 256); + lsfw->app_start_offset = desc->app_start_offset; + lsfw->app_imem_entry = desc->app_imem_entry; + lsfw->app_resident_code_offset = desc->app_resident_code_offset; + lsfw->app_resident_code_size = desc->app_resident_code_size; + lsfw->app_resident_data_offset = desc->app_resident_data_offset; + lsfw->app_resident_data_size = desc->app_resident_data_size; + + lsfw->ucode_size = ALIGN(lsfw->app_resident_data_offset, 256) + + lsfw->bootloader_size; + lsfw->data_size = lsfw->app_size + lsfw->bootloader_size - + lsfw->ucode_size; +} + +int +nvkm_acr_lsfw_load_sig_image_desc(struct nvkm_subdev *subdev, + struct nvkm_falcon *falcon, + enum nvkm_acr_lsf_id id, + const char *path, int ver, + const struct nvkm_acr_lsf_func *func) +{ + const struct firmware *fw; + struct nvkm_acr_lsfw *lsfw; + + lsfw = nvkm_acr_lsfw_load_sig_image_desc_(subdev, falcon, id, path, ver, + func, &fw); + if (IS_ERR(lsfw)) + return PTR_ERR(lsfw); + + nvkm_acr_lsfw_from_desc(&nvfw_ls_desc(subdev, fw->data)->head, lsfw); + nvkm_firmware_put(fw); + return 0; +} + +int +nvkm_acr_lsfw_load_sig_image_desc_v1(struct nvkm_subdev *subdev, + struct nvkm_falcon *falcon, + enum nvkm_acr_lsf_id id, + const char *path, int ver, + const struct nvkm_acr_lsf_func *func) +{ + const struct firmware *fw; + struct nvkm_acr_lsfw *lsfw; + + lsfw = nvkm_acr_lsfw_load_sig_image_desc_(subdev, falcon, id, path, ver, + func, &fw); + if (IS_ERR(lsfw)) + return PTR_ERR(lsfw); + + nvkm_acr_lsfw_from_desc(&nvfw_ls_desc_v1(subdev, fw->data)->head, lsfw); + nvkm_firmware_put(fw); + return 0; +} + +int +nvkm_acr_lsfw_load_bl_inst_data_sig(struct nvkm_subdev *subdev, + struct nvkm_falcon *falcon, + enum nvkm_acr_lsf_id id, + const char *path, int ver, + const struct nvkm_acr_lsf_func *func) +{ + struct nvkm_acr *acr = subdev->device->acr; + struct nvkm_acr_lsfw *lsfw; + const struct firmware *bl = NULL, *inst = NULL, *data = NULL; + const struct nvfw_bin_hdr *hdr; + const struct nvfw_bl_desc *desc; + u32 *bldata; + int ret; + + if (IS_ERR((lsfw = nvkm_acr_lsfw_add(func, acr, falcon, id)))) + return PTR_ERR(lsfw); + + ret = nvkm_firmware_load_name(subdev, path, "bl", ver, &bl); + if (ret) + goto done; + + hdr = nvfw_bin_hdr(subdev, bl->data); + desc = nvfw_bl_desc(subdev, bl->data + hdr->header_offset); + bldata = (void *)(bl->data + hdr->data_offset); + + ret = nvkm_firmware_load_name(subdev, path, "inst", ver, &inst); + if (ret) + goto done; + + ret = nvkm_firmware_load_name(subdev, path, "data", ver, &data); + if (ret) + goto done; + + ret = nvkm_firmware_load_name(subdev, path, "sig", ver, &lsfw->sig); + if (ret) + goto done; + + lsfw->bootloader_size = ALIGN(desc->code_size, 256); + lsfw->bootloader_imem_offset = desc->start_tag << 8; + + lsfw->app_start_offset = lsfw->bootloader_size; + lsfw->app_imem_entry = 0; + lsfw->app_resident_code_offset = 0; + lsfw->app_resident_code_size = ALIGN(inst->size, 256); + lsfw->app_resident_data_offset = lsfw->app_resident_code_size; + lsfw->app_resident_data_size = ALIGN(data->size, 256); + lsfw->app_size = lsfw->app_resident_code_size + + lsfw->app_resident_data_size; + + lsfw->img.size = lsfw->bootloader_size + lsfw->app_size; + if (!(lsfw->img.data = kzalloc(lsfw->img.size, GFP_KERNEL))) { + ret = -ENOMEM; + goto done; + } + + memcpy(lsfw->img.data, bldata, lsfw->bootloader_size); + memcpy(lsfw->img.data + lsfw->app_start_offset + + lsfw->app_resident_code_offset, inst->data, inst->size); + memcpy(lsfw->img.data + lsfw->app_start_offset + + lsfw->app_resident_data_offset, data->data, data->size); + + lsfw->ucode_size = ALIGN(lsfw->app_resident_data_offset, 256) + + lsfw->bootloader_size; + lsfw->data_size = lsfw->app_size + lsfw->bootloader_size - + lsfw->ucode_size; + +done: + if (ret) + nvkm_acr_lsfw_del(lsfw); + nvkm_firmware_put(data); + nvkm_firmware_put(inst); + nvkm_firmware_put(bl); + return ret; +} |