diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/top')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/top/Kbuild | 2 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/top/base.c | 148 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c | 110 | ||||
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/top/priv.h | 25 |
4 files changed, 285 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/top/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/top/Kbuild new file mode 100644 index 000000000..1078401cd --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/top/Kbuild @@ -0,0 +1,2 @@ +nvkm-y += nvkm/subdev/top/base.o +nvkm-y += nvkm/subdev/top/gk104.o diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/top/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/top/base.c new file mode 100644 index 000000000..a1b264664 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/top/base.c @@ -0,0 +1,148 @@ +/* + * 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" + +struct nvkm_top_device * +nvkm_top_device_new(struct nvkm_top *top) +{ + struct nvkm_top_device *info = kmalloc(sizeof(*info), GFP_KERNEL); + if (info) { + info->index = NVKM_SUBDEV_NR; + info->addr = 0; + info->fault = -1; + info->engine = -1; + info->runlist = -1; + info->reset = -1; + info->intr = -1; + list_add_tail(&info->head, &top->device); + } + return info; +} + +u32 +nvkm_top_reset(struct nvkm_top *top, enum nvkm_devidx index) +{ + struct nvkm_top_device *info; + + if (top) { + list_for_each_entry(info, &top->device, head) { + if (info->index == index && info->reset >= 0) + return BIT(info->reset); + } + } + + return 0; +} + +u32 +nvkm_top_intr(struct nvkm_top *top, u32 intr, u64 *psubdevs) +{ + struct nvkm_top_device *info; + u64 subdevs = 0; + u32 handled = 0; + + if (top) { + list_for_each_entry(info, &top->device, head) { + if (info->index != NVKM_SUBDEV_NR && info->intr >= 0) { + if (intr & BIT(info->intr)) { + subdevs |= BIT_ULL(info->index); + handled |= BIT(info->intr); + } + } + } + } + + *psubdevs = subdevs; + return intr & ~handled; +} + +enum nvkm_devidx +nvkm_top_fault(struct nvkm_top *top, int fault) +{ + struct nvkm_top_device *info; + + list_for_each_entry(info, &top->device, head) { + if (info->fault == fault) + return info->index; + } + + return NVKM_SUBDEV_NR; +} + +enum nvkm_devidx +nvkm_top_engine(struct nvkm_top *top, int index, int *runl, int *engn) +{ + struct nvkm_top_device *info; + int n = 0; + + list_for_each_entry(info, &top->device, head) { + if (info->engine >= 0 && info->runlist >= 0 && n++ == index) { + *runl = info->runlist; + *engn = info->engine; + return info->index; + } + } + + return -ENODEV; +} + +static int +nvkm_top_oneinit(struct nvkm_subdev *subdev) +{ + struct nvkm_top *top = nvkm_top(subdev); + return top->func->oneinit(top); +} + +static void * +nvkm_top_dtor(struct nvkm_subdev *subdev) +{ + struct nvkm_top *top = nvkm_top(subdev); + struct nvkm_top_device *info, *temp; + + list_for_each_entry_safe(info, temp, &top->device, head) { + list_del(&info->head); + kfree(info); + } + + return top; +} + +static const struct nvkm_subdev_func +nvkm_top = { + .dtor = nvkm_top_dtor, + .oneinit = nvkm_top_oneinit, +}; + +int +nvkm_top_new_(const struct nvkm_top_func *func, struct nvkm_device *device, + int index, struct nvkm_top **ptop) +{ + struct nvkm_top *top; + if (!(top = *ptop = kzalloc(sizeof(*top), GFP_KERNEL))) + return -ENOMEM; + nvkm_subdev_ctor(&nvkm_top, device, index, &top->subdev); + top->func = func; + INIT_LIST_HEAD(&top->device); + return 0; +} 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..e06acc340 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c @@ -0,0 +1,110 @@ +/* + * 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; + int i; + + for (i = 0; i < 64; i++) { + if (!info) { + if (!(info = nvkm_top_device_new(top))) + return -ENOMEM; + type = ~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 */ + info->addr = (data & 0x00fff000); + info->fault = (data & 0x000000f8) >> 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. */ + switch (type) { + case 0x00000000: info->index = NVKM_ENGINE_GR; break; + case 0x00000001: info->index = NVKM_ENGINE_CE0; break; + case 0x00000002: info->index = NVKM_ENGINE_CE1; break; + case 0x00000003: info->index = NVKM_ENGINE_CE2; break; + case 0x00000008: info->index = NVKM_ENGINE_MSPDEC; break; + case 0x00000009: info->index = NVKM_ENGINE_MSPPP; break; + case 0x0000000a: info->index = NVKM_ENGINE_MSVLD; break; + case 0x0000000b: info->index = NVKM_ENGINE_MSENC; break; + case 0x0000000c: info->index = NVKM_ENGINE_VIC; break; + case 0x0000000d: info->index = NVKM_ENGINE_SEC; break; + case 0x0000000e: info->index = NVKM_ENGINE_NVENC0; break; + case 0x0000000f: info->index = NVKM_ENGINE_NVENC1; break; + case 0x00000010: info->index = NVKM_ENGINE_NVDEC; break; + break; + default: + break; + } + + nvkm_debug(subdev, "%02x (%8s): addr %06x fault %2d engine %2d " + "runlist %2d intr %2d reset %2d\n", type, + 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); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/top/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/top/priv.h new file mode 100644 index 000000000..adb3ed03d --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/top/priv.h @@ -0,0 +1,25 @@ +#ifndef __NVKM_TOP_PRIV_H__ +#define __NVKM_TOP_PRIV_H__ +#define nvkm_top(p) container_of((p), struct nvkm_top, subdev) +#include <subdev/top.h> + +struct nvkm_top_func { + int (*oneinit)(struct nvkm_top *); +}; + +int nvkm_top_new_(const struct nvkm_top_func *, struct nvkm_device *, + int, struct nvkm_top **); + +struct nvkm_top_device { + enum nvkm_devidx index; + u32 addr; + int fault; + int engine; + int runlist; + int reset; + int intr; + struct list_head head; +}; + +struct nvkm_top_device *nvkm_top_device_new(struct nvkm_top *); +#endif |