/*
* Copyright 2013 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
*/
#include "priv.h"
#include "conn.h"
#include "head.h"
#include "ior.h"
#include "outp.h"
#include <core/client.h>
#include <core/ramht.h>
#include <nvif/class.h>
#include <nvif/cl0046.h>
#include <nvif/event.h>
#include <nvif/unpack.h>
static void
nvkm_disp_vblank_fini(struct nvkm_event *event, int type, int id)
{
struct nvkm_disp *disp = container_of(event, typeof(*disp), vblank);
struct nvkm_head *head = nvkm_head_find(disp, id);
if (head)
head->func->vblank_put(head);
}
static void
nvkm_disp_vblank_init(struct nvkm_event *event, int type, int id)
{
struct nvkm_disp *disp = container_of(event, typeof(*disp), vblank);
struct nvkm_head *head = nvkm_head_find(disp, id);
if (head)
head->func->vblank_get(head);
}
static const struct nvkm_event_func
nvkm_disp_vblank_func = {
.init = nvkm_disp_vblank_init,
.fini = nvkm_disp_vblank_fini,
};
void
nvkm_disp_vblank(struct nvkm_disp *disp, int head)
{
nvkm_event_ntfy(&disp->vblank, head, NVKM_DISP_HEAD_EVENT_VBLANK);
}
static int
nvkm_disp_class_new(struct nvkm_device *device,
const struct nvkm_oclass *oclass, void *data, u32 size,
struct nvkm_object **pobject)
{
return nvkm_udisp_new(oclass, data, size, pobject);
}
static const struct nvkm_device_oclass
nvkm_disp_sclass = {
.ctor = nvkm_disp_class_new,
};
static int
nvkm_disp_class_get(struct nvkm_oclass *oclass, int index,
const struct nvkm_device_oclass **class)
{
struct nvkm_disp *disp = nvkm_disp(oclass->engine);
if (index == 0) {
oclass->base = disp->func->root;
*class = &nvkm_disp_sclass;
return 0;
}
return 1;
}
static void
nvkm_disp_intr(struct nvkm_engine *engine)
{
struct nvkm_disp *disp = nvkm_disp(engine);
disp->func->intr(disp);
}
static int
nvkm_disp_fini(struct nvkm_engine *engine, bool suspend)
{
struct nvkm_disp *disp = nvkm_disp(engine);
struct nvkm_outp *outp;
if (disp->func->fini)
disp->func->fini(disp, suspend);
list_for_each_entry(outp, &disp->outps, head) {
if (outp->func->fini)
outp->func->fini(outp);
}
return 0;
}
static int
nvkm_disp_init(struct nvkm_engine *engine)
{
struct nvkm_disp *disp = nvkm_disp(engine);
struct nvkm_outp *outp;
struct nvkm_ior *ior;
list_for_each_entry(outp, &disp->outps, head) {
if (outp->func->init)
outp->func->init(outp);
}
if (disp->func->init) {
int ret = disp->func->init(disp);
if (ret)
return ret;
}
/* Set 'normal' (ie. when it's attached to a head) state for
* each output resource to 'fully enabled'.
*/
list_for_each_entry(ior, &disp->iors, head) {
if (ior->func->power)
ior->func->power(ior, true, true, true, true, true);
}
return 0;
}
static int
nvkm_disp_oneinit(struct nvkm_engine *engine)
{
struct nvkm_disp *disp = nvkm_disp(engine);
struct nvkm_subdev *subdev = &disp->engine.subdev;
struct nvkm_head *head;
int ret, i;
if (disp->func->oneinit) {
ret = disp->func->oneinit(disp);
if (ret)
return ret;
}
i = 0;
list_for_each_entry(head, &disp->heads, head)
i = max(i, head->id + 1);
return nvkm_event_init(&nvkm_disp_vblank_func, subdev, 1, i, &disp->vblank);
}
static void *
nvkm_disp_dtor(struct nvkm_engine *engine)
{
struct nvkm_disp *disp = nvkm_disp(engine);
struct nvkm_conn *conn;
struct nvkm_outp *outp;
struct nvkm_ior *ior;
struct nvkm_head *head;
void *data = disp;
nvkm_ramht_del(&disp->ramht);
nvkm_gpuobj_del(&disp->inst);
nvkm_event_fini(&disp->uevent);
if (disp->super.wq) {
destroy_workqueue(disp->super.wq);
mutex_destroy(&disp->super.mutex);
}
nvkm_event_fini(&disp->vblank);
while (!list_empty(&disp->conns)) {
conn = list_first_entry(&disp->conns, typeof(*conn), head);
list_del(&conn->head);
nvkm_conn_del(&conn);
}
while (!list_empty(&disp->outps)) {
outp = list_first_entry(&disp->outps, typeof(*outp), head);
list_del(&outp->head);
nvkm_outp_del(&outp);
}
while (!list_empty(&disp->iors)) {
ior = list_first_entry(&disp->iors, typeof(*ior), head);
nvkm_ior_del(&ior);
}
while (!list_empty(&disp->heads)) {
head = list_first_entry(&disp->heads, typeof(*head), head);
nvkm_head_del(&head);
}
if (disp->func && disp->func->dtor)
disp->func->dtor(disp);
return data;
}
static const struct nvkm_engine_func
nvkm_disp = {
.dtor = nvkm_disp_dtor,
.oneinit = nvkm_disp_oneinit,
.init = nvkm_disp_init,
.fini = nvkm_disp_fini,
.intr = nvkm_disp_intr,
.base.sclass = nvkm_disp_class_get,
};
int
nvkm_disp_new_(const struct nvkm_disp_func *func, struct nvkm_device *device,
enum nvkm_subdev_type type, int inst, struct nvkm_disp **pdisp)
{
struct nvkm_disp *disp;
int ret;
if (!(disp = *pdisp = kzalloc(sizeof(**pdisp), GFP_KERNEL)))
return -ENOMEM;
disp->func = func;
INIT_LIST_HEAD(&disp->heads);
INIT_LIST_HEAD(&disp->iors);
INIT_LIST_HEAD(&disp->outps);
INIT_LIST_HEAD(&disp->conns);
spin_lock_init(&disp->client.lock);
ret = nvkm_engine_ctor(&nvkm_disp, device, type, inst, true, &disp->engine);
if (ret) {
disp->func = NULL;
return ret;
}
if (func->super) {
disp->super.wq = create_singlethread_workqueue("nvkm-disp");
if (!disp->super.wq)
return -ENOMEM;
INIT_WORK(&disp->super.work, func->super);
mutex_init(&disp->super.mutex);
}
return nvkm_event_init(func->uevent, &disp->engine.subdev, 1, ARRAY_SIZE(disp->chan),
&disp->uevent);
}
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