115 lines
3.2 KiB
C
115 lines
3.2 KiB
C
/*
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* Copyright 2021 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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#include "priv.h"
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#include "conn.h"
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#include "head.h"
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#include "outp.h"
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#include <nvif/class.h>
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#include <nvif/if0010.h>
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static int
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nvkm_udisp_sclass(struct nvkm_object *object, int index, struct nvkm_oclass *sclass)
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{
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struct nvkm_disp *disp = nvkm_udisp(object);
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if (index-- == 0) {
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sclass->base = (struct nvkm_sclass) { 0, 0, NVIF_CLASS_CONN };
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sclass->ctor = nvkm_uconn_new;
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return 0;
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}
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if (index-- == 0) {
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sclass->base = (struct nvkm_sclass) { 0, 0, NVIF_CLASS_OUTP };
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sclass->ctor = nvkm_uoutp_new;
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return 0;
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}
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if (index-- == 0) {
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sclass->base = (struct nvkm_sclass) { 0, 0, NVIF_CLASS_HEAD };
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sclass->ctor = nvkm_uhead_new;
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return 0;
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}
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if (disp->func->user[index].ctor) {
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sclass->base = disp->func->user[index].base;
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sclass->ctor = disp->func->user[index].ctor;
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return 0;
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}
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return -EINVAL;
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}
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static void *
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nvkm_udisp_dtor(struct nvkm_object *object)
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{
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struct nvkm_disp *disp = nvkm_udisp(object);
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spin_lock(&disp->client.lock);
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if (object == &disp->client.object)
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disp->client.object.func = NULL;
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spin_unlock(&disp->client.lock);
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return NULL;
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}
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static const struct nvkm_object_func
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nvkm_udisp = {
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.dtor = nvkm_udisp_dtor,
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.sclass = nvkm_udisp_sclass,
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};
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int
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nvkm_udisp_new(const struct nvkm_oclass *oclass, void *argv, u32 argc, struct nvkm_object **pobject)
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{
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struct nvkm_disp *disp = nvkm_disp(oclass->engine);
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struct nvkm_conn *conn;
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struct nvkm_outp *outp;
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struct nvkm_head *head;
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union nvif_disp_args *args = argv;
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if (argc != sizeof(args->v0) || args->v0.version != 0)
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return -ENOSYS;
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spin_lock(&disp->client.lock);
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if (disp->client.object.func) {
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spin_unlock(&disp->client.lock);
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return -EBUSY;
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}
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nvkm_object_ctor(&nvkm_udisp, oclass, &disp->client.object);
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*pobject = &disp->client.object;
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spin_unlock(&disp->client.lock);
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args->v0.conn_mask = 0;
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list_for_each_entry(conn, &disp->conns, head)
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args->v0.conn_mask |= BIT(conn->index);
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args->v0.outp_mask = 0;
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list_for_each_entry(outp, &disp->outps, head)
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args->v0.outp_mask |= BIT(outp->index);
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args->v0.head_mask = 0;
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list_for_each_entry(head, &disp->heads, head)
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args->v0.head_mask |= BIT(head->id);
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return 0;
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}
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