diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c b/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c new file mode 100644 index 000000000..e01746ce9 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c @@ -0,0 +1,120 @@ +/* + * 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" + +static int +gk104_top_oneinit(struct nvkm_top *top) +{ + struct nvkm_subdev *subdev = &top->subdev; + struct nvkm_device *device = subdev->device; + struct nvkm_top_device *info = NULL; + u32 data, type, inst; + int i; + + for (i = 0; i < 64; i++) { + if (!info) { + if (!(info = nvkm_top_device_new(top))) + return -ENOMEM; + type = ~0; + inst = 0; + } + + data = nvkm_rd32(device, 0x022700 + (i * 0x04)); + nvkm_trace(subdev, "%02x: %08x\n", i, data); + switch (data & 0x00000003) { + case 0x00000000: /* NOT_VALID */ + continue; + case 0x00000001: /* DATA */ + inst = (data & 0x3c000000) >> 26; + info->addr = (data & 0x00fff000); + if (data & 0x00000004) + info->fault = (data & 0x000003f8) >> 3; + break; + case 0x00000002: /* ENUM */ + if (data & 0x00000020) + info->engine = (data & 0x3c000000) >> 26; + if (data & 0x00000010) + info->runlist = (data & 0x01e00000) >> 21; + if (data & 0x00000008) + info->intr = (data & 0x000f8000) >> 15; + if (data & 0x00000004) + info->reset = (data & 0x00003e00) >> 9; + break; + case 0x00000003: /* ENGINE_TYPE */ + type = (data & 0x7ffffffc) >> 2; + break; + } + + if (data & 0x80000000) + continue; + + /* Translate engine type to NVKM engine identifier. */ +#define A_(A) if (inst == 0) info->index = NVKM_ENGINE_##A +#define B_(A) if (inst + NVKM_ENGINE_##A##0 < NVKM_ENGINE_##A##_LAST + 1) \ + info->index = NVKM_ENGINE_##A##0 + inst +#define C_(A) if (inst == 0) info->index = NVKM_SUBDEV_##A + switch (type) { + case 0x00000000: A_(GR ); break; + case 0x00000001: A_(CE0 ); break; + case 0x00000002: A_(CE1 ); break; + case 0x00000003: A_(CE2 ); break; + case 0x00000008: A_(MSPDEC); break; + case 0x00000009: A_(MSPPP ); break; + case 0x0000000a: A_(MSVLD ); break; + case 0x0000000b: A_(MSENC ); break; + case 0x0000000c: A_(VIC ); break; + case 0x0000000d: A_(SEC2 ); break; + case 0x0000000e: B_(NVENC ); break; + case 0x0000000f: A_(NVENC1); break; + case 0x00000010: B_(NVDEC ); break; + case 0x00000013: B_(CE ); break; + case 0x00000014: C_(GSP ); break; + break; + default: + break; + } + + nvkm_debug(subdev, "%02x.%d (%8s): addr %06x fault %2d " + "engine %2d runlist %2d intr %2d " + "reset %2d\n", type, inst, + info->index == NVKM_SUBDEV_NR ? NULL : + nvkm_subdev_name[info->index], + info->addr, info->fault, info->engine, info->runlist, + info->intr, info->reset); + info = NULL; + } + + return 0; +} + +static const struct nvkm_top_func +gk104_top = { + .oneinit = gk104_top_oneinit, +}; + +int +gk104_top_new(struct nvkm_device *device, int index, struct nvkm_top **ptop) +{ + return nvkm_top_new_(&gk104_top, device, index, ptop); +} |