diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/top/ga100.c')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/top/ga100.c | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/top/ga100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/top/ga100.c new file mode 100644 index 000000000..c982d834c --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/top/ga100.c @@ -0,0 +1,108 @@ +/* + * Copyright 2021 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" + +static int +ga100_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, n, size = nvkm_rd32(device, 0x0224fc) >> 20; + + for (i = 0, n = 0; i < size; i++) { + if (!info) { + if (!(info = nvkm_top_device_new(top))) + return -ENOMEM; + type = ~0; + inst = 0; + } + + data = nvkm_rd32(device, 0x022800 + (i * 0x04)); + nvkm_trace(subdev, "%02x: %08x\n", i, data); + if (!data && n == 0) + continue; + + switch (n++) { + case 0: + type = (data & 0x3f000000) >> 24; + inst = (data & 0x000f0000) >> 16; + info->fault = (data & 0x0000007f); + break; + case 1: + info->addr = (data & 0x00fff000); + info->reset = (data & 0x0000001f); + break; + case 2: + info->runlist = (data & 0x00fffc00); + info->engine = (data & 0x00000003); + break; + default: + break; + } + + if (data & 0x80000000) + continue; + n = 0; + + /* Translate engine type to NVKM engine identifier. */ +#define I_(T,I) do { info->type = (T); info->inst = (I); } while(0) +#define O_(T,I) do { WARN_ON(inst); I_(T, I); } while (0) + switch (type) { + case 0x00000000: O_(NVKM_ENGINE_GR , 0); break; + case 0x0000000d: O_(NVKM_ENGINE_SEC2 , 0); break; + case 0x0000000e: I_(NVKM_ENGINE_NVENC , inst); break; + case 0x00000010: I_(NVKM_ENGINE_NVDEC , inst); break; + case 0x00000012: I_(NVKM_SUBDEV_IOCTRL, inst); break; + case 0x00000013: I_(NVKM_ENGINE_CE , inst); break; + case 0x00000014: O_(NVKM_SUBDEV_GSP , 0); break; + case 0x00000015: O_(NVKM_ENGINE_NVJPG , 0); break; + case 0x00000016: O_(NVKM_ENGINE_OFA , 0); break; + case 0x00000017: O_(NVKM_SUBDEV_FLA , 0); break; + break; + default: + break; + } + + nvkm_debug(subdev, "%02x.%d (%8s): addr %06x fault %2d " + "runlist %6x engine %2d reset %2d\n", type, inst, + info->type == NVKM_SUBDEV_NR ? "????????" : nvkm_subdev_type[info->type], + info->addr, info->fault, info->runlist < 0 ? 0 : info->runlist, + info->engine, info->reset); + info = NULL; + } + + return 0; +} + +static const struct nvkm_top_func +ga100_top = { + .oneinit = ga100_top_oneinit, +}; + +int +ga100_top_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_top **ptop) +{ + return nvkm_top_new_(&ga100_top, device, type, inst, ptop); +} |