99 lines
2.8 KiB
C
99 lines
2.8 KiB
C
/*
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* Copyright 2012 Red Hat Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: Ben Skeggs
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*/
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#define nv04_disp_root(p) container_of((p), struct nv04_disp_root, object)
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#include "priv.h"
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#include "head.h"
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#include <core/client.h>
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#include <nvif/class.h>
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#include <nvif/cl0046.h>
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#include <nvif/unpack.h>
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struct nv04_disp_root {
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struct nvkm_object object;
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struct nvkm_disp *disp;
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};
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static int
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nv04_disp_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)
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{
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struct nv04_disp_root *root = nv04_disp_root(object);
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union {
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struct nv04_disp_mthd_v0 v0;
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} *args = data;
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struct nvkm_head *head;
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int id, ret = -ENOSYS;
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nvif_ioctl(object, "disp mthd size %d\n", size);
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if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
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nvif_ioctl(object, "disp mthd vers %d mthd %02x head %d\n",
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args->v0.version, args->v0.method, args->v0.head);
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mthd = args->v0.method;
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id = args->v0.head;
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} else
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return ret;
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if (!(head = nvkm_head_find(root->disp, id)))
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return -ENXIO;
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switch (mthd) {
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case NV04_DISP_SCANOUTPOS:
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return nvkm_head_mthd_scanoutpos(object, head, data, size);
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default:
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break;
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}
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return -EINVAL;
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}
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static const struct nvkm_object_func
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nv04_disp_root = {
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.mthd = nv04_disp_mthd,
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.ntfy = nvkm_disp_ntfy,
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};
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static int
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nv04_disp_root_new(struct nvkm_disp *disp, const struct nvkm_oclass *oclass,
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void *data, u32 size, struct nvkm_object **pobject)
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{
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struct nv04_disp_root *root;
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if (!(root = kzalloc(sizeof(*root), GFP_KERNEL)))
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return -ENOMEM;
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root->disp = disp;
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*pobject = &root->object;
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nvkm_object_ctor(&nv04_disp_root, oclass, &root->object);
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return 0;
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}
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const struct nvkm_disp_oclass
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nv04_disp_root_oclass = {
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.base.oclass = NV04_DISP,
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.base.minver = -1,
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.base.maxver = -1,
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.ctor = nv04_disp_root_new,
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};
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