diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/fuse')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fuse/Kbuild | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fuse/base.c | 54 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gf100.c | 54 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gm107.c | 43 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fuse/nv50.c | 52 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/subdev/fuse/priv.h | 13 |
6 files changed, 221 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/Kbuild b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/Kbuild new file mode 100644 index 000000000..8e7cd9d27 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/Kbuild @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: MIT +nvkm-y += nvkm/subdev/fuse/base.o +nvkm-y += nvkm/subdev/fuse/nv50.o +nvkm-y += nvkm/subdev/fuse/gf100.o +nvkm-y += nvkm/subdev/fuse/gm107.o diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/base.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/base.c new file mode 100644 index 000000000..375dfce09 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/base.c @@ -0,0 +1,54 @@ +/* + * Copyright 2014 Martin Peres + * + * 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: Martin Peres + */ +#include "priv.h" + +u32 +nvkm_fuse_read(struct nvkm_fuse *fuse, u32 addr) +{ + return fuse->func->read(fuse, addr); +} + +static void * +nvkm_fuse_dtor(struct nvkm_subdev *subdev) +{ + return nvkm_fuse(subdev); +} + +static const struct nvkm_subdev_func +nvkm_fuse = { + .dtor = nvkm_fuse_dtor, +}; + +int +nvkm_fuse_new_(const struct nvkm_fuse_func *func, struct nvkm_device *device, + enum nvkm_subdev_type type, int inst, struct nvkm_fuse **pfuse) +{ + struct nvkm_fuse *fuse; + if (!(fuse = *pfuse = kzalloc(sizeof(*fuse), GFP_KERNEL))) + return -ENOMEM; + nvkm_subdev_ctor(&nvkm_fuse, device, type, inst, &fuse->subdev); + fuse->func = func; + spin_lock_init(&fuse->lock); + return 0; +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gf100.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gf100.c new file mode 100644 index 000000000..01f770654 --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gf100.c @@ -0,0 +1,54 @@ +/* + * Copyright 2014 Martin Peres + * + * 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: Martin Peres + */ +#include "priv.h" + +static u32 +gf100_fuse_read(struct nvkm_fuse *fuse, u32 addr) +{ + struct nvkm_device *device = fuse->subdev.device; + unsigned long flags; + u32 fuse_enable, unk, val; + + /* racy if another part of nvkm start writing to these regs */ + spin_lock_irqsave(&fuse->lock, flags); + fuse_enable = nvkm_mask(device, 0x022400, 0x800, 0x800); + unk = nvkm_mask(device, 0x021000, 0x1, 0x1); + val = nvkm_rd32(device, 0x021100 + addr); + nvkm_wr32(device, 0x021000, unk); + nvkm_wr32(device, 0x022400, fuse_enable); + spin_unlock_irqrestore(&fuse->lock, flags); + return val; +} + +static const struct nvkm_fuse_func +gf100_fuse = { + .read = gf100_fuse_read, +}; + +int +gf100_fuse_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_fuse **pfuse) +{ + return nvkm_fuse_new_(&gf100_fuse, device, type, inst, pfuse); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gm107.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gm107.c new file mode 100644 index 000000000..7dc99492f --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/gm107.c @@ -0,0 +1,43 @@ +/* + * Copyright 2014 Martin Peres + * + * 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: Martin Peres + */ +#include "priv.h" + +static u32 +gm107_fuse_read(struct nvkm_fuse *fuse, u32 addr) +{ + struct nvkm_device *device = fuse->subdev.device; + return nvkm_rd32(device, 0x021100 + addr); +} + +static const struct nvkm_fuse_func +gm107_fuse = { + .read = gm107_fuse_read, +}; + +int +gm107_fuse_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_fuse **pfuse) +{ + return nvkm_fuse_new_(&gm107_fuse, device, type, inst, pfuse); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/nv50.c b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/nv50.c new file mode 100644 index 000000000..2505e8e1c --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/nv50.c @@ -0,0 +1,52 @@ +/* + * Copyright 2014 Martin Peres + * + * 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: Martin Peres + */ +#include "priv.h" + +static u32 +nv50_fuse_read(struct nvkm_fuse *fuse, u32 addr) +{ + struct nvkm_device *device = fuse->subdev.device; + unsigned long flags; + u32 fuse_enable, val; + + /* racy if another part of nvkm start writing to this reg */ + spin_lock_irqsave(&fuse->lock, flags); + fuse_enable = nvkm_mask(device, 0x001084, 0x800, 0x800); + val = nvkm_rd32(device, 0x021000 + addr); + nvkm_wr32(device, 0x001084, fuse_enable); + spin_unlock_irqrestore(&fuse->lock, flags); + return val; +} + +static const struct nvkm_fuse_func +nv50_fuse = { + .read = &nv50_fuse_read, +}; + +int +nv50_fuse_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, + struct nvkm_fuse **pfuse) +{ + return nvkm_fuse_new_(&nv50_fuse, device, type, inst, pfuse); +} diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/priv.h b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/priv.h new file mode 100644 index 000000000..e83d0c30d --- /dev/null +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/fuse/priv.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: MIT */ +#ifndef __NVKM_FUSE_PRIV_H__ +#define __NVKM_FUSE_PRIV_H__ +#define nvkm_fuse(p) container_of((p), struct nvkm_fuse, subdev) +#include <subdev/fuse.h> + +struct nvkm_fuse_func { + u32 (*read)(struct nvkm_fuse *, u32 addr); +}; + +int nvkm_fuse_new_(const struct nvkm_fuse_func *, struct nvkm_device *, enum nvkm_subdev_type, int, + struct nvkm_fuse **); +#endif |