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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/pmu/gm20b.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/pmu/gm20b.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c new file mode 100644 index 000000000..612310d5d --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gm20b.c @@ -0,0 +1,248 @@ +/* + * Copyright (c) 2016, 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 "priv.h" + +#include <core/memory.h> +#include <subdev/acr.h> + +#include <nvfw/flcn.h> +#include <nvfw/pmu.h> + +static int +gm20b_pmu_acr_bootstrap_falcon_cb(void *priv, struct nvfw_falcon_msg *hdr) +{ + struct nv_pmu_acr_bootstrap_falcon_msg *msg = + container_of(hdr, typeof(*msg), msg.hdr); + return msg->falcon_id; +} + +int +gm20b_pmu_acr_bootstrap_falcon(struct nvkm_falcon *falcon, + enum nvkm_acr_lsf_id id) +{ + struct nvkm_pmu *pmu = container_of(falcon, typeof(*pmu), falcon); + struct nv_pmu_acr_bootstrap_falcon_cmd cmd = { + .cmd.hdr.unit_id = NV_PMU_UNIT_ACR, + .cmd.hdr.size = sizeof(cmd), + .cmd.cmd_type = NV_PMU_ACR_CMD_BOOTSTRAP_FALCON, + .flags = NV_PMU_ACR_BOOTSTRAP_FALCON_FLAGS_RESET_YES, + .falcon_id = id, + }; + int ret; + + ret = nvkm_falcon_cmdq_send(pmu->hpq, &cmd.cmd.hdr, + gm20b_pmu_acr_bootstrap_falcon_cb, + &pmu->subdev, msecs_to_jiffies(1000)); + if (ret >= 0) { + if (ret != cmd.falcon_id) + ret = -EIO; + else + ret = 0; + } + + return ret; +} + +int +gm20b_pmu_acr_boot(struct nvkm_falcon *falcon) +{ + struct nv_pmu_args args = { .secure_mode = true }; + const u32 addr_args = falcon->data.limit - sizeof(struct nv_pmu_args); + nvkm_falcon_load_dmem(falcon, &args, addr_args, sizeof(args), 0); + nvkm_falcon_start(falcon); + return 0; +} + +void +gm20b_pmu_acr_bld_patch(struct nvkm_acr *acr, u32 bld, s64 adjust) +{ + struct loader_config hdr; + u64 addr; + + nvkm_robj(acr->wpr, bld, &hdr, sizeof(hdr)); + addr = ((u64)hdr.code_dma_base1 << 40 | hdr.code_dma_base << 8); + hdr.code_dma_base = lower_32_bits((addr + adjust) >> 8); + hdr.code_dma_base1 = upper_32_bits((addr + adjust) >> 8); + addr = ((u64)hdr.data_dma_base1 << 40 | hdr.data_dma_base << 8); + hdr.data_dma_base = lower_32_bits((addr + adjust) >> 8); + hdr.data_dma_base1 = upper_32_bits((addr + adjust) >> 8); + addr = ((u64)hdr.overlay_dma_base1 << 40 | hdr.overlay_dma_base << 8); + hdr.overlay_dma_base = lower_32_bits((addr + adjust) << 8); + hdr.overlay_dma_base1 = upper_32_bits((addr + adjust) << 8); + nvkm_wobj(acr->wpr, bld, &hdr, sizeof(hdr)); + + loader_config_dump(&acr->subdev, &hdr); +} + +void +gm20b_pmu_acr_bld_write(struct nvkm_acr *acr, u32 bld, + struct nvkm_acr_lsfw *lsfw) +{ + const u64 base = lsfw->offset.img + lsfw->app_start_offset; + const u64 code = (base + lsfw->app_resident_code_offset) >> 8; + const u64 data = (base + lsfw->app_resident_data_offset) >> 8; + const struct loader_config hdr = { + .dma_idx = FALCON_DMAIDX_UCODE, + .code_dma_base = lower_32_bits(code), + .code_size_total = lsfw->app_size, + .code_size_to_load = lsfw->app_resident_code_size, + .code_entry_point = lsfw->app_imem_entry, + .data_dma_base = lower_32_bits(data), + .data_size = lsfw->app_resident_data_size, + .overlay_dma_base = lower_32_bits(code), + .argc = 1, + .argv = lsfw->falcon->data.limit - sizeof(struct nv_pmu_args), + .code_dma_base1 = upper_32_bits(code), + .data_dma_base1 = upper_32_bits(data), + .overlay_dma_base1 = upper_32_bits(code), + }; + + nvkm_wobj(acr->wpr, bld, &hdr, sizeof(hdr)); +} + +static const struct nvkm_acr_lsf_func +gm20b_pmu_acr = { + .flags = NVKM_ACR_LSF_DMACTL_REQ_CTX, + .bld_size = sizeof(struct loader_config), + .bld_write = gm20b_pmu_acr_bld_write, + .bld_patch = gm20b_pmu_acr_bld_patch, + .boot = gm20b_pmu_acr_boot, + .bootstrap_falcons = BIT_ULL(NVKM_ACR_LSF_PMU) | + BIT_ULL(NVKM_ACR_LSF_FECS) | + BIT_ULL(NVKM_ACR_LSF_GPCCS), + .bootstrap_falcon = gm20b_pmu_acr_bootstrap_falcon, +}; + +static int +gm20b_pmu_acr_init_wpr_callback(void *priv, struct nvfw_falcon_msg *hdr) +{ + struct nv_pmu_acr_init_wpr_region_msg *msg = + container_of(hdr, typeof(*msg), msg.hdr); + struct nvkm_pmu *pmu = priv; + struct nvkm_subdev *subdev = &pmu->subdev; + + if (msg->error_code) { + nvkm_error(subdev, "ACR WPR init failure: %d\n", + msg->error_code); + return -EINVAL; + } + + nvkm_debug(subdev, "ACR WPR init complete\n"); + complete_all(&pmu->wpr_ready); + return 0; +} + +static int +gm20b_pmu_acr_init_wpr(struct nvkm_pmu *pmu) +{ + struct nv_pmu_acr_init_wpr_region_cmd cmd = { + .cmd.hdr.unit_id = NV_PMU_UNIT_ACR, + .cmd.hdr.size = sizeof(cmd), + .cmd.cmd_type = NV_PMU_ACR_CMD_INIT_WPR_REGION, + .region_id = 1, + .wpr_offset = 0, + }; + + return nvkm_falcon_cmdq_send(pmu->hpq, &cmd.cmd.hdr, + gm20b_pmu_acr_init_wpr_callback, pmu, 0); +} + +int +gm20b_pmu_initmsg(struct nvkm_pmu *pmu) +{ + struct nv_pmu_init_msg msg; + int ret; + + ret = nvkm_falcon_msgq_recv_initmsg(pmu->msgq, &msg, sizeof(msg)); + if (ret) + return ret; + + if (msg.hdr.unit_id != NV_PMU_UNIT_INIT || + msg.msg_type != NV_PMU_INIT_MSG_INIT) + return -EINVAL; + + nvkm_falcon_cmdq_init(pmu->hpq, msg.queue_info[0].index, + msg.queue_info[0].offset, + msg.queue_info[0].size); + nvkm_falcon_cmdq_init(pmu->lpq, msg.queue_info[1].index, + msg.queue_info[1].offset, + msg.queue_info[1].size); + nvkm_falcon_msgq_init(pmu->msgq, msg.queue_info[4].index, + msg.queue_info[4].offset, + msg.queue_info[4].size); + return gm20b_pmu_acr_init_wpr(pmu); +} + +void +gm20b_pmu_recv(struct nvkm_pmu *pmu) +{ + if (!pmu->initmsg_received) { + int ret = pmu->func->initmsg(pmu); + if (ret) { + nvkm_error(&pmu->subdev, + "error parsing init message: %d\n", ret); + return; + } + + pmu->initmsg_received = true; + } + + nvkm_falcon_msgq_recv(pmu->msgq); +} + +static const struct nvkm_pmu_func +gm20b_pmu = { + .flcn = &gm200_pmu_flcn, + .enabled = gf100_pmu_enabled, + .intr = gt215_pmu_intr, + .recv = gm20b_pmu_recv, + .initmsg = gm20b_pmu_initmsg, + .reset = gf100_pmu_reset, +}; + +#if IS_ENABLED(CONFIG_ARCH_TEGRA_210_SOC) +MODULE_FIRMWARE("nvidia/gm20b/pmu/desc.bin"); +MODULE_FIRMWARE("nvidia/gm20b/pmu/image.bin"); +MODULE_FIRMWARE("nvidia/gm20b/pmu/sig.bin"); +#endif + +int +gm20b_pmu_load(struct nvkm_pmu *pmu, int ver, const struct nvkm_pmu_fwif *fwif) +{ + return nvkm_acr_lsfw_load_sig_image_desc(&pmu->subdev, &pmu->falcon, + NVKM_ACR_LSF_PMU, "pmu/", + ver, fwif->acr); +} + +static const struct nvkm_pmu_fwif +gm20b_pmu_fwif[] = { + { 0, gm20b_pmu_load, &gm20b_pmu, &gm20b_pmu_acr }, + { -1, gm200_pmu_nofw, &gm20b_pmu }, + {} +}; + +int +gm20b_pmu_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_pmu **ppmu) +{ + return nvkm_pmu_new_(gm20b_pmu_fwif, device, type, inst, ppmu); +} |