1 /*
2 * Copyright 2012 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Ben Skeggs
23 */
24 #include "priv.h"
25
26 #include <core/gpuobj.h>
27 #include <subdev/timer.h>
28
29 #include <nvif/class.h>
30
31 /*******************************************************************************
32 * PMPEG context
33 ******************************************************************************/
34
35 static int
nv50_mpeg_cclass_bind(struct nvkm_object * object,struct nvkm_gpuobj * parent,int align,struct nvkm_gpuobj ** pgpuobj)36 nv50_mpeg_cclass_bind(struct nvkm_object *object, struct nvkm_gpuobj *parent,
37 int align, struct nvkm_gpuobj **pgpuobj)
38 {
39 int ret = nvkm_gpuobj_new(object->engine->subdev.device, 128 * 4,
40 align, true, parent, pgpuobj);
41 if (ret == 0) {
42 nvkm_kmap(*pgpuobj);
43 nvkm_wo32(*pgpuobj, 0x70, 0x00801ec1);
44 nvkm_wo32(*pgpuobj, 0x7c, 0x0000037c);
45 nvkm_done(*pgpuobj);
46 }
47 return ret;
48 }
49
50 const struct nvkm_object_func
51 nv50_mpeg_cclass = {
52 .bind = nv50_mpeg_cclass_bind,
53 };
54
55 /*******************************************************************************
56 * PMPEG engine/subdev functions
57 ******************************************************************************/
58
59 void
nv50_mpeg_intr(struct nvkm_engine * mpeg)60 nv50_mpeg_intr(struct nvkm_engine *mpeg)
61 {
62 struct nvkm_subdev *subdev = &mpeg->subdev;
63 struct nvkm_device *device = subdev->device;
64 u32 stat = nvkm_rd32(device, 0x00b100);
65 u32 type = nvkm_rd32(device, 0x00b230);
66 u32 mthd = nvkm_rd32(device, 0x00b234);
67 u32 data = nvkm_rd32(device, 0x00b238);
68 u32 show = stat;
69
70 if (stat & 0x01000000) {
71 /* happens on initial binding of the object */
72 if (type == 0x00000020 && mthd == 0x0000) {
73 nvkm_wr32(device, 0x00b308, 0x00000100);
74 show &= ~0x01000000;
75 }
76 }
77
78 if (show) {
79 nvkm_info(subdev, "%08x %08x %08x %08x\n",
80 stat, type, mthd, data);
81 }
82
83 nvkm_wr32(device, 0x00b100, stat);
84 nvkm_wr32(device, 0x00b230, 0x00000001);
85 }
86
87 int
nv50_mpeg_init(struct nvkm_engine * mpeg)88 nv50_mpeg_init(struct nvkm_engine *mpeg)
89 {
90 struct nvkm_subdev *subdev = &mpeg->subdev;
91 struct nvkm_device *device = subdev->device;
92
93 nvkm_wr32(device, 0x00b32c, 0x00000000);
94 nvkm_wr32(device, 0x00b314, 0x00000100);
95 nvkm_wr32(device, 0x00b0e0, 0x0000001a);
96
97 nvkm_wr32(device, 0x00b220, 0x00000044);
98 nvkm_wr32(device, 0x00b300, 0x00801ec1);
99 nvkm_wr32(device, 0x00b390, 0x00000000);
100 nvkm_wr32(device, 0x00b394, 0x00000000);
101 nvkm_wr32(device, 0x00b398, 0x00000000);
102 nvkm_mask(device, 0x00b32c, 0x00000001, 0x00000001);
103
104 nvkm_wr32(device, 0x00b100, 0xffffffff);
105 nvkm_wr32(device, 0x00b140, 0xffffffff);
106
107 if (nvkm_msec(device, 2000,
108 if (!(nvkm_rd32(device, 0x00b200) & 0x00000001))
109 break;
110 ) < 0) {
111 nvkm_error(subdev, "timeout %08x\n",
112 nvkm_rd32(device, 0x00b200));
113 return -EBUSY;
114 }
115
116 return 0;
117 }
118
119 static const struct nvkm_engine_func
120 nv50_mpeg = {
121 .init = nv50_mpeg_init,
122 .intr = nv50_mpeg_intr,
123 .cclass = &nv50_mpeg_cclass,
124 .sclass = {
125 { -1, -1, NV31_MPEG, &nv31_mpeg_object },
126 {}
127 }
128 };
129
130 int
nv50_mpeg_new(struct nvkm_device * device,int index,struct nvkm_engine ** pmpeg)131 nv50_mpeg_new(struct nvkm_device *device, int index, struct nvkm_engine **pmpeg)
132 {
133 return nvkm_engine_new_(&nv50_mpeg, device, index, true, pmpeg);
134 }
135