diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp102.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp102.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp102.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp102.c new file mode 100644 index 000000000..1a6f9c3af --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp102.c @@ -0,0 +1,58 @@ +/* + * Copyright 2016 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. + * + * Authors: Ben Skeggs <bskeggs@redhat.com> + */ +#include "priv.h" + +void +gp102_pmu_reset(struct nvkm_pmu *pmu) +{ + struct nvkm_device *device = pmu->subdev.device; + nvkm_mask(device, 0x10a3c0, 0x00000001, 0x00000001); + nvkm_mask(device, 0x10a3c0, 0x00000001, 0x00000000); +} + +static bool +gp102_pmu_enabled(struct nvkm_pmu *pmu) +{ + return !(nvkm_rd32(pmu->subdev.device, 0x10a3c0) & 0x00000001); +} + +static const struct nvkm_pmu_func +gp102_pmu = { + .flcn = &gm200_pmu_flcn, + .enabled = gp102_pmu_enabled, + .reset = gp102_pmu_reset, +}; + +static const struct nvkm_pmu_fwif +gp102_pmu_fwif[] = { + { -1, gm200_pmu_nofw, &gp102_pmu }, + {} +}; + +int +gp102_pmu_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_pmu **ppmu) +{ + return nvkm_pmu_new_(gp102_pmu_fwif, device, type, inst, ppmu); +} |