137 lines
4.0 KiB
C
137 lines
4.0 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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#include "priv.h"
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#include <core/gpuobj.h>
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#include <core/object.h>
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#include <subdev/timer.h>
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#include <nvif/class.h>
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/*******************************************************************************
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* PMPEG context
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******************************************************************************/
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static int
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nv50_mpeg_cclass_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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int ret = nvkm_gpuobj_new(object->engine->subdev.device, 128 * 4,
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align, true, parent, pgpuobj);
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if (ret == 0) {
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nvkm_kmap(*pgpuobj);
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nvkm_wo32(*pgpuobj, 0x70, 0x00801ec1);
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nvkm_wo32(*pgpuobj, 0x7c, 0x0000037c);
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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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const struct nvkm_object_func
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nv50_mpeg_cclass = {
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.bind = nv50_mpeg_cclass_bind,
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};
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/*******************************************************************************
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* PMPEG engine/subdev functions
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******************************************************************************/
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void
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nv50_mpeg_intr(struct nvkm_engine *mpeg)
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{
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struct nvkm_subdev *subdev = &mpeg->subdev;
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struct nvkm_device *device = subdev->device;
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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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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_wr32(device, 0x00b308, 0x00000100);
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show &= ~0x01000000;
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}
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}
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if (show) {
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nvkm_info(subdev, "%08x %08x %08x %08x\n",
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stat, type, mthd, data);
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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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}
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int
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nv50_mpeg_init(struct nvkm_engine *mpeg)
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{
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struct nvkm_subdev *subdev = &mpeg->subdev;
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struct nvkm_device *device = subdev->device;
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nvkm_wr32(device, 0x00b32c, 0x00000000);
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nvkm_wr32(device, 0x00b314, 0x00000100);
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nvkm_wr32(device, 0x00b0e0, 0x0000001a);
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nvkm_wr32(device, 0x00b220, 0x00000044);
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nvkm_wr32(device, 0x00b300, 0x00801ec1);
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nvkm_wr32(device, 0x00b390, 0x00000000);
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nvkm_wr32(device, 0x00b394, 0x00000000);
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nvkm_wr32(device, 0x00b398, 0x00000000);
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nvkm_mask(device, 0x00b32c, 0x00000001, 0x00000001);
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nvkm_wr32(device, 0x00b100, 0xffffffff);
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nvkm_wr32(device, 0x00b140, 0xffffffff);
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if (nvkm_msec(device, 2000,
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if (!(nvkm_rd32(device, 0x00b200) & 0x00000001))
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break;
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) < 0) {
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nvkm_error(subdev, "timeout %08x\n",
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nvkm_rd32(device, 0x00b200));
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return -EBUSY;
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}
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return 0;
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}
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static const struct nvkm_engine_func
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nv50_mpeg = {
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.init = nv50_mpeg_init,
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.intr = nv50_mpeg_intr,
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.cclass = &nv50_mpeg_cclass,
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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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nv50_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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return nvkm_engine_new_(&nv50_mpeg, device, type, inst, true, pmpeg);
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}
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