218 lines
6.1 KiB
C
218 lines
6.1 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 nv44_mpeg(p) container_of((p), struct nv44_mpeg, engine)
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#include "priv.h"
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#include <core/client.h>
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#include <core/gpuobj.h>
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#include <engine/fifo.h>
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#include <nvif/class.h>
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struct nv44_mpeg {
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struct nvkm_engine engine;
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struct list_head chan;
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};
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/*******************************************************************************
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* PMPEG context
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******************************************************************************/
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#define nv44_mpeg_chan(p) container_of((p), struct nv44_mpeg_chan, object)
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struct nv44_mpeg_chan {
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struct nvkm_object object;
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struct nv44_mpeg *mpeg;
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struct nvkm_fifo_chan *fifo;
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struct list_head head;
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u32 inst;
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};
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static int
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nv44_mpeg_chan_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent,
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int align, struct nvkm_gpuobj **pgpuobj)
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{
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struct nv44_mpeg_chan *chan = nv44_mpeg_chan(object);
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int ret = nvkm_gpuobj_new(chan->object.engine->subdev.device, 264 * 4,
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align, true, parent, pgpuobj);
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if (ret == 0) {
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chan->inst = (*pgpuobj)->addr;
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nvkm_kmap(*pgpuobj);
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nvkm_wo32(*pgpuobj, 0x78, 0x02001ec1);
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nvkm_done(*pgpuobj);
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}
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return ret;
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}
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static int
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nv44_mpeg_chan_fini(struct nvkm_object *object, bool suspend)
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{
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struct nv44_mpeg_chan *chan = nv44_mpeg_chan(object);
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struct nv44_mpeg *mpeg = chan->mpeg;
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struct nvkm_device *device = mpeg->engine.subdev.device;
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u32 inst = 0x80000000 | (chan->inst >> 4);
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nvkm_mask(device, 0x00b32c, 0x00000001, 0x00000000);
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if (nvkm_rd32(device, 0x00b318) == inst)
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nvkm_mask(device, 0x00b318, 0x80000000, 0x00000000);
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nvkm_mask(device, 0x00b32c, 0x00000001, 0x00000001);
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return 0;
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}
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static void *
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nv44_mpeg_chan_dtor(struct nvkm_object *object)
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{
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struct nv44_mpeg_chan *chan = nv44_mpeg_chan(object);
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struct nv44_mpeg *mpeg = chan->mpeg;
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unsigned long flags;
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spin_lock_irqsave(&mpeg->engine.lock, flags);
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list_del(&chan->head);
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spin_unlock_irqrestore(&mpeg->engine.lock, flags);
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return chan;
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}
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static const struct nvkm_object_func
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nv44_mpeg_chan = {
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.dtor = nv44_mpeg_chan_dtor,
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.fini = nv44_mpeg_chan_fini,
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.bind = nv44_mpeg_chan_bind,
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};
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static int
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nv44_mpeg_chan_new(struct nvkm_fifo_chan *fifoch,
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const struct nvkm_oclass *oclass,
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struct nvkm_object **pobject)
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{
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struct nv44_mpeg *mpeg = nv44_mpeg(oclass->engine);
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struct nv44_mpeg_chan *chan;
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unsigned long flags;
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if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
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return -ENOMEM;
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nvkm_object_ctor(&nv44_mpeg_chan, oclass, &chan->object);
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chan->mpeg = mpeg;
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chan->fifo = fifoch;
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*pobject = &chan->object;
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spin_lock_irqsave(&mpeg->engine.lock, flags);
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list_add(&chan->head, &mpeg->chan);
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spin_unlock_irqrestore(&mpeg->engine.lock, flags);
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return 0;
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}
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/*******************************************************************************
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* PMPEG engine/subdev functions
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******************************************************************************/
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static bool
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nv44_mpeg_mthd(struct nvkm_device *device, u32 mthd, u32 data)
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{
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switch (mthd) {
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case 0x190:
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case 0x1a0:
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case 0x1b0:
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return nv40_mpeg_mthd_dma(device, mthd, data);
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default:
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break;
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}
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return false;
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}
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static void
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nv44_mpeg_intr(struct nvkm_engine *engine)
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{
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struct nv44_mpeg *mpeg = nv44_mpeg(engine);
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struct nvkm_subdev *subdev = &mpeg->engine.subdev;
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struct nvkm_device *device = subdev->device;
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struct nv44_mpeg_chan *temp, *chan = NULL;
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unsigned long flags;
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u32 inst = nvkm_rd32(device, 0x00b318) & 0x000fffff;
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u32 stat = nvkm_rd32(device, 0x00b100);
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u32 type = nvkm_rd32(device, 0x00b230);
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u32 mthd = nvkm_rd32(device, 0x00b234);
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u32 data = nvkm_rd32(device, 0x00b238);
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u32 show = stat;
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spin_lock_irqsave(&mpeg->engine.lock, flags);
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list_for_each_entry(temp, &mpeg->chan, head) {
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if (temp->inst >> 4 == inst) {
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chan = temp;
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list_del(&chan->head);
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list_add(&chan->head, &mpeg->chan);
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break;
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}
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}
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if (stat & 0x01000000) {
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/* happens on initial binding of the object */
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if (type == 0x00000020 && mthd == 0x0000) {
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nvkm_mask(device, 0x00b308, 0x00000000, 0x00000000);
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show &= ~0x01000000;
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}
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if (type == 0x00000010) {
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if (nv44_mpeg_mthd(subdev->device, mthd, data))
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show &= ~0x01000000;
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}
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}
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nvkm_wr32(device, 0x00b100, stat);
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nvkm_wr32(device, 0x00b230, 0x00000001);
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if (show) {
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nvkm_error(subdev, "ch %d [%08x %s] %08x %08x %08x %08x\n",
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chan ? chan->fifo->chid : -1, inst << 4,
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chan ? chan->object.client->name : "unknown",
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stat, type, mthd, data);
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}
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spin_unlock_irqrestore(&mpeg->engine.lock, flags);
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}
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static const struct nvkm_engine_func
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nv44_mpeg = {
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.init = nv31_mpeg_init,
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.intr = nv44_mpeg_intr,
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.tile = nv31_mpeg_tile,
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.fifo.cclass = nv44_mpeg_chan_new,
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.sclass = {
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{ -1, -1, NV31_MPEG, &nv31_mpeg_object },
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{}
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}
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};
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int
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nv44_mpeg_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
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struct nvkm_engine **pmpeg)
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{
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struct nv44_mpeg *mpeg;
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if (!(mpeg = kzalloc(sizeof(*mpeg), GFP_KERNEL)))
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return -ENOMEM;
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INIT_LIST_HEAD(&mpeg->chan);
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*pmpeg = &mpeg->engine;
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return nvkm_engine_ctor(&nv44_mpeg, device, type, inst, true, &mpeg->engine);
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}
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