1/* $NetBSD: nouveau_engine_mpeg_nv50.c,v 1.1.1.1 2014/08/06 12:36:27 riastradh Exp $ */
2
3/*
4 * Copyright 2012 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Ben Skeggs
25 */
26
27#include <sys/cdefs.h>
28__KERNEL_RCSID(0, "$NetBSD: nouveau_engine_mpeg_nv50.c,v 1.1.1.1 2014/08/06 12:36:27 riastradh Exp $");
29
30#include <core/os.h>
31#include <core/class.h>
32#include <core/engctx.h>
33
34#include <subdev/vm.h>
35#include <subdev/bar.h>
36#include <subdev/timer.h>
37
38#include <engine/mpeg.h>
39
40struct nv50_mpeg_priv {
41 struct nouveau_mpeg base;
42};
43
44struct nv50_mpeg_chan {
45 struct nouveau_mpeg_chan base;
46};
47
48/*******************************************************************************
49 * MPEG object classes
50 ******************************************************************************/
51
52static int
53nv50_mpeg_object_ctor(struct nouveau_object *parent,
54 struct nouveau_object *engine,
55 struct nouveau_oclass *oclass, void *data, u32 size,
56 struct nouveau_object **pobject)
57{
58 struct nouveau_gpuobj *obj;
59 int ret;
60
61 ret = nouveau_gpuobj_create(parent, engine, oclass, 0, parent,
62 16, 16, 0, &obj);
63 *pobject = nv_object(obj);
64 if (ret)
65 return ret;
66
67 nv_wo32(obj, 0x00, nv_mclass(obj));
68 nv_wo32(obj, 0x04, 0x00000000);
69 nv_wo32(obj, 0x08, 0x00000000);
70 nv_wo32(obj, 0x0c, 0x00000000);
71 return 0;
72}
73
74struct nouveau_ofuncs
75nv50_mpeg_ofuncs = {
76 .ctor = nv50_mpeg_object_ctor,
77 .dtor = _nouveau_gpuobj_dtor,
78 .init = _nouveau_gpuobj_init,
79 .fini = _nouveau_gpuobj_fini,
80 .rd32 = _nouveau_gpuobj_rd32,
81 .wr32 = _nouveau_gpuobj_wr32,
82};
83
84static struct nouveau_oclass
85nv50_mpeg_sclass[] = {
86 { 0x3174, &nv50_mpeg_ofuncs },
87 {}
88};
89
90/*******************************************************************************
91 * PMPEG context
92 ******************************************************************************/
93
94int
95nv50_mpeg_context_ctor(struct nouveau_object *parent,
96 struct nouveau_object *engine,
97 struct nouveau_oclass *oclass, void *data, u32 size,
98 struct nouveau_object **pobject)
99{
100 struct nouveau_bar *bar = nouveau_bar(parent);
101 struct nv50_mpeg_chan *chan;
102 int ret;
103
104 ret = nouveau_mpeg_context_create(parent, engine, oclass, NULL, 128 * 4,
105 0, NVOBJ_FLAG_ZERO_ALLOC, &chan);
106 *pobject = nv_object(chan);
107 if (ret)
108 return ret;
109
110 nv_wo32(chan, 0x0070, 0x00801ec1);
111 nv_wo32(chan, 0x007c, 0x0000037c);
112 bar->flush(bar);
113 return 0;
114}
115
116static struct nouveau_oclass
117nv50_mpeg_cclass = {
118 .handle = NV_ENGCTX(MPEG, 0x50),
119 .ofuncs = &(struct nouveau_ofuncs) {
120 .ctor = nv50_mpeg_context_ctor,
121 .dtor = _nouveau_mpeg_context_dtor,
122 .init = _nouveau_mpeg_context_init,
123 .fini = _nouveau_mpeg_context_fini,
124 .rd32 = _nouveau_mpeg_context_rd32,
125 .wr32 = _nouveau_mpeg_context_wr32,
126 },
127};
128
129/*******************************************************************************
130 * PMPEG engine/subdev functions
131 ******************************************************************************/
132
133void
134nv50_mpeg_intr(struct nouveau_subdev *subdev)
135{
136 struct nv50_mpeg_priv *priv = (void *)subdev;
137 u32 stat = nv_rd32(priv, 0x00b100);
138 u32 type = nv_rd32(priv, 0x00b230);
139 u32 mthd = nv_rd32(priv, 0x00b234);
140 u32 data = nv_rd32(priv, 0x00b238);
141 u32 show = stat;
142
143 if (stat & 0x01000000) {
144 /* happens on initial binding of the object */
145 if (type == 0x00000020 && mthd == 0x0000) {
146 nv_wr32(priv, 0x00b308, 0x00000100);
147 show &= ~0x01000000;
148 }
149 }
150
151 if (show) {
152 nv_info(priv, "0x%08x 0x%08x 0x%08x 0x%08x\n",
153 stat, type, mthd, data);
154 }
155
156 nv_wr32(priv, 0x00b100, stat);
157 nv_wr32(priv, 0x00b230, 0x00000001);
158}
159
160static void
161nv50_vpe_intr(struct nouveau_subdev *subdev)
162{
163 struct nv50_mpeg_priv *priv = (void *)subdev;
164
165 if (nv_rd32(priv, 0x00b100))
166 nv50_mpeg_intr(subdev);
167
168 if (nv_rd32(priv, 0x00b800)) {
169 u32 stat = nv_rd32(priv, 0x00b800);
170 nv_info(priv, "PMSRCH: 0x%08x\n", stat);
171 nv_wr32(priv, 0xb800, stat);
172 }
173}
174
175static int
176nv50_mpeg_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
177 struct nouveau_oclass *oclass, void *data, u32 size,
178 struct nouveau_object **pobject)
179{
180 struct nv50_mpeg_priv *priv;
181 int ret;
182
183 ret = nouveau_mpeg_create(parent, engine, oclass, &priv);
184 *pobject = nv_object(priv);
185 if (ret)
186 return ret;
187
188 nv_subdev(priv)->unit = 0x00400002;
189 nv_subdev(priv)->intr = nv50_vpe_intr;
190 nv_engine(priv)->cclass = &nv50_mpeg_cclass;
191 nv_engine(priv)->sclass = nv50_mpeg_sclass;
192 return 0;
193}
194
195int
196nv50_mpeg_init(struct nouveau_object *object)
197{
198 struct nv50_mpeg_priv *priv = (void *)object;
199 int ret;
200
201 ret = nouveau_mpeg_init(&priv->base);
202 if (ret)
203 return ret;
204
205 nv_wr32(priv, 0x00b32c, 0x00000000);
206 nv_wr32(priv, 0x00b314, 0x00000100);
207 nv_wr32(priv, 0x00b0e0, 0x0000001a);
208
209 nv_wr32(priv, 0x00b220, 0x00000044);
210 nv_wr32(priv, 0x00b300, 0x00801ec1);
211 nv_wr32(priv, 0x00b390, 0x00000000);
212 nv_wr32(priv, 0x00b394, 0x00000000);
213 nv_wr32(priv, 0x00b398, 0x00000000);
214 nv_mask(priv, 0x00b32c, 0x00000001, 0x00000001);
215
216 nv_wr32(priv, 0x00b100, 0xffffffff);
217 nv_wr32(priv, 0x00b140, 0xffffffff);
218
219 if (!nv_wait(priv, 0x00b200, 0x00000001, 0x00000000)) {
220 nv_error(priv, "timeout 0x%08x\n", nv_rd32(priv, 0x00b200));
221 return -EBUSY;
222 }
223
224 return 0;
225}
226
227struct nouveau_oclass
228nv50_mpeg_oclass = {
229 .handle = NV_ENGINE(MPEG, 0x50),
230 .ofuncs = &(struct nouveau_ofuncs) {
231 .ctor = nv50_mpeg_ctor,
232 .dtor = _nouveau_mpeg_dtor,
233 .init = nv50_mpeg_init,
234 .fini = _nouveau_mpeg_fini,
235 },
236};
237