diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c | 180 |
1 files changed, 180 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 000000000000..aecce2dac558 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/acr/hsfw.c @@ -0,0 +1,180 @@ +/* + * 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 = kmalloc(hsfw->sig.prod.size, GFP_KERNEL); + if (!hsfw->sig.prod.data) { + ret = -ENOMEM; + goto done; + } + + memcpy(hsfw->sig.prod.data, fw->data + fwhdr->sig_prod_offset + sig, + hsfw->sig.prod.size); + + hsfw->sig.dbg.size = fwhdr->sig_dbg_size; + hsfw->sig.dbg.data = kmalloc(hsfw->sig.dbg.size, GFP_KERNEL); + if (!hsfw->sig.dbg.data) { + ret = -ENOMEM; + goto done; + } + + memcpy(hsfw->sig.dbg.data, fw->data + fwhdr->sig_dbg_offset + sig, + hsfw->sig.dbg.size); + + 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 = kmalloc(desc->code_size, GFP_KERNEL); + memcpy(hsfw->imem, data + desc->code_off, desc->code_size); + + nvkm_firmware_put(fw); + 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; +} |