linux-zen-server/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp10b.c

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2023-08-30 17:53:23 +02:00
/*
* 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 <subdev/acr.h>
#include <nvfw/flcn.h>
#include <nvfw/pmu.h>
static int
gp10b_pmu_acr_bootstrap_multiple_falcons_cb(void *priv,
struct nvfw_falcon_msg *hdr)
{
struct nv_pmu_acr_bootstrap_multiple_falcons_msg *msg =
container_of(hdr, typeof(*msg), msg.hdr);
return msg->falcon_mask;
}
static int
gp10b_pmu_acr_bootstrap_multiple_falcons(struct nvkm_falcon *falcon, u32 mask)
{
struct nvkm_pmu *pmu = container_of(falcon, typeof(*pmu), falcon);
struct nv_pmu_acr_bootstrap_multiple_falcons_cmd cmd = {
.cmd.hdr.unit_id = NV_PMU_UNIT_ACR,
.cmd.hdr.size = sizeof(cmd),
.cmd.cmd_type = NV_PMU_ACR_CMD_BOOTSTRAP_MULTIPLE_FALCONS,
.flags = NV_PMU_ACR_BOOTSTRAP_MULTIPLE_FALCONS_FLAGS_RESET_YES,
.falcon_mask = mask,
.wpr_lo = 0, /*XXX*/
.wpr_hi = 0, /*XXX*/
};
int ret;
ret = nvkm_falcon_cmdq_send(pmu->hpq, &cmd.cmd.hdr,
gp10b_pmu_acr_bootstrap_multiple_falcons_cb,
&pmu->subdev, msecs_to_jiffies(1000));
if (ret >= 0) {
if (ret != cmd.falcon_mask)
ret = -EIO;
else
ret = 0;
}
return ret;
}
static const struct nvkm_acr_lsf_func
gp10b_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,
.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,
.bootstrap_multiple_falcons = gp10b_pmu_acr_bootstrap_multiple_falcons,
};
#if IS_ENABLED(CONFIG_ARCH_TEGRA_210_SOC)
MODULE_FIRMWARE("nvidia/gp10b/pmu/desc.bin");
MODULE_FIRMWARE("nvidia/gp10b/pmu/image.bin");
MODULE_FIRMWARE("nvidia/gp10b/pmu/sig.bin");
#endif
static const struct nvkm_pmu_fwif
gp10b_pmu_fwif[] = {
{ 0, gm20b_pmu_load, &gm20b_pmu, &gp10b_pmu_acr },
{ -1, gm200_pmu_nofw, &gm20b_pmu },
{}
};
int
gp10b_pmu_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
struct nvkm_pmu **ppmu)
{
return nvkm_pmu_new_(gp10b_pmu_fwif, device, type, inst, ppmu);
}