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/*
* 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>
static struct nvkm_acr_lsf *
nvkm_acr_falcon(struct nvkm_device *device)
{
struct nvkm_acr *acr = device->acr;
struct nvkm_acr_lsf *lsf;
if (acr) {
list_for_each_entry(lsf, &acr->lsf, head) {
if (lsf->func->bootstrap_falcon)
return lsf;
}
}
return NULL;
}
int
nvkm_acr_bootstrap_falcons(struct nvkm_device *device, unsigned long mask)
{
struct nvkm_acr_lsf *acrflcn = nvkm_acr_falcon(device);
unsigned long id;
if (!acrflcn)
return -ENOSYS;
if (acrflcn->func->bootstrap_multiple_falcons) {
return acrflcn->func->
bootstrap_multiple_falcons(acrflcn->falcon, mask);
}
for_each_set_bit(id, &mask, NVKM_ACR_LSF_NUM) {
int ret = acrflcn->func->bootstrap_falcon(acrflcn->falcon, id);
if (ret)
return ret;
}
return 0;
}
static void
nvkm_acr_cleanup(struct nvkm_acr *acr)
{
nvkm_acr_lsfw_del_all(acr);
}
static int
nvkm_acr_oneinit(struct nvkm_subdev *subdev)
{
struct nvkm_acr *acr = nvkm_acr(subdev);
struct nvkm_acr_lsfw *lsfw;
struct nvkm_acr_lsf *lsf;
list_for_each_entry(lsfw, &acr->lsfw, head) {
if (!(lsf = kmalloc(sizeof(*lsf), GFP_KERNEL)))
return -ENOMEM;
lsf->func = lsfw->func;
lsf->falcon = lsfw->falcon;
lsf->id = lsfw->id;
list_add_tail(&lsf->head, &acr->lsf);
}
nvkm_acr_cleanup(acr);
return 0;
}
static void *
nvkm_acr_dtor(struct nvkm_subdev *subdev)
{
struct nvkm_acr *acr = nvkm_acr(subdev);
struct nvkm_acr_lsf *lsf, *lst;
list_for_each_entry_safe(lsf, lst, &acr->lsf, head) {
list_del(&lsf->head);
kfree(lsf);
}
nvkm_acr_cleanup(acr);
return acr;
}
static const struct nvkm_subdev_func
nvkm_acr = {
.dtor = nvkm_acr_dtor,
.oneinit = nvkm_acr_oneinit,
};
int
nvkm_acr_new_(const struct nvkm_acr_fwif *fwif, struct nvkm_device *device,
int index, struct nvkm_acr **pacr)
{
struct nvkm_acr *acr;
if (!(acr = *pacr = kzalloc(sizeof(*acr), GFP_KERNEL)))
return -ENOMEM;
nvkm_subdev_ctor(&nvkm_acr, device, index, &acr->subdev);
INIT_LIST_HEAD(&acr->lsfw);
INIT_LIST_HEAD(&acr->lsf);
fwif = nvkm_firmware_load(&acr->subdev, fwif, "Acr", acr);
if (IS_ERR(fwif))
return PTR_ERR(fwif);
acr->func = fwif->func;
return 0;
}
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