diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/gsp/base.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/gsp/base.c | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/base.c new file mode 100644 index 000000000000..7ccb41761066 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/base.c @@ -0,0 +1,163 @@ +/* + * 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" + +int +nvkm_gsp_intr_nonstall(struct nvkm_gsp *gsp, enum nvkm_subdev_type type, int inst) +{ + for (int i = 0; i < gsp->intr_nr; i++) { + if (gsp->intr[i].type == type && gsp->intr[i].inst == inst) + return gsp->intr[i].nonstall; + } + + return -ENOENT; +} + +int +nvkm_gsp_intr_stall(struct nvkm_gsp *gsp, enum nvkm_subdev_type type, int inst) +{ + for (int i = 0; i < gsp->intr_nr; i++) { + if (gsp->intr[i].type == type && gsp->intr[i].inst == inst) { + if (gsp->intr[i].stall != ~0) + return gsp->intr[i].stall; + + return -EINVAL; + } + } + + return -ENOENT; +} + +static int +nvkm_gsp_fini(struct nvkm_subdev *subdev, bool suspend) +{ + struct nvkm_gsp *gsp = nvkm_gsp(subdev); + + if (!gsp->func->fini || !gsp->running) + return 0; + + return gsp->func->fini(gsp, suspend); +} + +static int +nvkm_gsp_init(struct nvkm_subdev *subdev) +{ + struct nvkm_gsp *gsp = nvkm_gsp(subdev); + + if (!gsp->func->init) + return 0; + + return gsp->func->init(gsp); +} + +static int +nvkm_gsp_oneinit(struct nvkm_subdev *subdev) +{ + struct nvkm_gsp *gsp = nvkm_gsp(subdev); + + if (!gsp->func->oneinit) + return 0; + + return gsp->func->oneinit(gsp); +} + +void +nvkm_gsp_dtor_fws(struct nvkm_gsp *gsp) +{ + nvkm_firmware_put(gsp->fws.fmc); + gsp->fws.fmc = NULL; + nvkm_firmware_put(gsp->fws.bl); + gsp->fws.bl = NULL; + nvkm_firmware_put(gsp->fws.booter.unload); + gsp->fws.booter.unload = NULL; + nvkm_firmware_put(gsp->fws.booter.load); + gsp->fws.booter.load = NULL; + nvkm_firmware_put(gsp->fws.rm); + gsp->fws.rm = NULL; +} + +static void * +nvkm_gsp_dtor(struct nvkm_subdev *subdev) +{ + struct nvkm_gsp *gsp = nvkm_gsp(subdev); + + if (gsp->func && gsp->func->dtor) + gsp->func->dtor(gsp); + + nvkm_falcon_dtor(&gsp->falcon); + kfree(gsp->rm); + return gsp; +} + +static const struct nvkm_subdev_func +nvkm_gsp = { + .dtor = nvkm_gsp_dtor, + .oneinit = nvkm_gsp_oneinit, + .init = nvkm_gsp_init, + .fini = nvkm_gsp_fini, +}; + +int +nvkm_gsp_load_fw(struct nvkm_gsp *gsp, const char *name, const char *ver, + const struct firmware **pfw) +{ + char fwname[64]; + + snprintf(fwname, sizeof(fwname), "gsp/%s-%s", name, ver); + return nvkm_firmware_get(&gsp->subdev, fwname, 0, pfw); +} + +int +nvkm_gsp_new_(const struct nvkm_gsp_fwif *fwif, struct nvkm_device *device, + enum nvkm_subdev_type type, int inst, struct nvkm_gsp **pgsp) +{ + struct nvkm_gsp *gsp; + + if (!(gsp = *pgsp = kzalloc(sizeof(*gsp), GFP_KERNEL))) + return -ENOMEM; + + nvkm_subdev_ctor(&nvkm_gsp, device, type, inst, &gsp->subdev); + + fwif = nvkm_firmware_load(&gsp->subdev, fwif, "Gsp", gsp); + if (IS_ERR(fwif)) { + nvkm_error(&gsp->subdev, "Failed to load required firmware for device."); + return PTR_ERR(fwif); + } + + gsp->func = fwif->func; + + if (fwif->rm) { + nvkm_info(&gsp->subdev, "RM version: %s\n", fwif->ver); + + gsp->rm = kzalloc(sizeof(*gsp->rm), GFP_KERNEL); + if (!gsp->rm) + return -ENOMEM; + + gsp->rm->device = device; + gsp->rm->gpu = fwif->func->rm.gpu; + gsp->rm->wpr = fwif->rm->wpr; + gsp->rm->api = fwif->rm->api; + } + + return nvkm_falcon_ctor(gsp->func->flcn, &gsp->subdev, gsp->subdev.name, 0x110000, + &gsp->falcon); +} |