Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm
[platform/kernel/linux-rpi.git] / drivers / gpu / drm / nouveau / nvkm / engine / fifo / chang84.c
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 "channv50.h"
25
26 #include <core/client.h>
27 #include <core/ramht.h>
28 #include <subdev/mmu.h>
29 #include <subdev/timer.h>
30
31 #include <nvif/cl826e.h>
32
33 static int
34 g84_fifo_chan_ntfy(struct nvkm_fifo_chan *chan, u32 type,
35                    struct nvkm_event **pevent)
36 {
37         switch (type) {
38         case NV826E_V0_NTFY_NON_STALL_INTERRUPT:
39                 *pevent = &chan->fifo->uevent;
40                 return 0;
41         default:
42                 break;
43         }
44         return -EINVAL;
45 }
46
47 static int
48 g84_fifo_chan_engine_addr(struct nvkm_engine *engine)
49 {
50         switch (engine->subdev.type) {
51         case NVKM_ENGINE_DMAOBJ:
52         case NVKM_ENGINE_SW    : return -1;
53         case NVKM_ENGINE_GR    : return 0x0020;
54         case NVKM_ENGINE_VP    :
55         case NVKM_ENGINE_MSPDEC: return 0x0040;
56         case NVKM_ENGINE_MPEG  :
57         case NVKM_ENGINE_MSPPP : return 0x0060;
58         case NVKM_ENGINE_BSP   :
59         case NVKM_ENGINE_MSVLD : return 0x0080;
60         case NVKM_ENGINE_CIPHER:
61         case NVKM_ENGINE_SEC   : return 0x00a0;
62         case NVKM_ENGINE_CE    : return 0x00c0;
63         default:
64                 WARN_ON(1);
65                 return -1;
66         }
67 }
68
69 static int
70 g84_fifo_chan_engine_fini(struct nvkm_fifo_chan *base,
71                           struct nvkm_engine *engine, bool suspend)
72 {
73         struct nv50_fifo_chan *chan = nv50_fifo_chan(base);
74         struct nv50_fifo *fifo = chan->fifo;
75         struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
76         struct nvkm_device *device = subdev->device;
77         u32 engn, save;
78         int offset;
79         bool done;
80
81         offset = g84_fifo_chan_engine_addr(engine);
82         if (offset < 0)
83                 return 0;
84
85         engn = fifo->base.func->engine_id(&fifo->base, engine) - 1;
86         save = nvkm_mask(device, 0x002520, 0x0000003f, 1 << engn);
87         nvkm_wr32(device, 0x0032fc, chan->base.inst->addr >> 12);
88         done = nvkm_msec(device, 2000,
89                 if (nvkm_rd32(device, 0x0032fc) != 0xffffffff)
90                         break;
91         ) >= 0;
92         nvkm_wr32(device, 0x002520, save);
93         if (!done) {
94                 nvkm_error(subdev, "channel %d [%s] unload timeout\n",
95                            chan->base.chid, chan->base.object.client->name);
96                 if (suspend)
97                         return -EBUSY;
98         }
99
100         nvkm_kmap(chan->eng);
101         nvkm_wo32(chan->eng, offset + 0x00, 0x00000000);
102         nvkm_wo32(chan->eng, offset + 0x04, 0x00000000);
103         nvkm_wo32(chan->eng, offset + 0x08, 0x00000000);
104         nvkm_wo32(chan->eng, offset + 0x0c, 0x00000000);
105         nvkm_wo32(chan->eng, offset + 0x10, 0x00000000);
106         nvkm_wo32(chan->eng, offset + 0x14, 0x00000000);
107         nvkm_done(chan->eng);
108         return 0;
109 }
110
111
112 static int
113 g84_fifo_chan_engine_init(struct nvkm_fifo_chan *base,
114                           struct nvkm_engine *engine)
115 {
116         struct nv50_fifo_chan *chan = nv50_fifo_chan(base);
117         struct nvkm_gpuobj *engn = *nv50_fifo_chan_engine(chan, engine);
118         u64 limit, start;
119         int offset;
120
121         offset = g84_fifo_chan_engine_addr(engine);
122         if (offset < 0)
123                 return 0;
124         limit = engn->addr + engn->size - 1;
125         start = engn->addr;
126
127         nvkm_kmap(chan->eng);
128         nvkm_wo32(chan->eng, offset + 0x00, 0x00190000);
129         nvkm_wo32(chan->eng, offset + 0x04, lower_32_bits(limit));
130         nvkm_wo32(chan->eng, offset + 0x08, lower_32_bits(start));
131         nvkm_wo32(chan->eng, offset + 0x0c, upper_32_bits(limit) << 24 |
132                                             upper_32_bits(start));
133         nvkm_wo32(chan->eng, offset + 0x10, 0x00000000);
134         nvkm_wo32(chan->eng, offset + 0x14, 0x00000000);
135         nvkm_done(chan->eng);
136         return 0;
137 }
138
139 static int
140 g84_fifo_chan_engine_ctor(struct nvkm_fifo_chan *base,
141                           struct nvkm_engine *engine,
142                           struct nvkm_object *object)
143 {
144         struct nv50_fifo_chan *chan = nv50_fifo_chan(base);
145
146         if (g84_fifo_chan_engine_addr(engine) < 0)
147                 return 0;
148
149         return nvkm_object_bind(object, NULL, 0, nv50_fifo_chan_engine(chan, engine));
150 }
151
152 static int
153 g84_fifo_chan_object_ctor(struct nvkm_fifo_chan *base,
154                           struct nvkm_object *object)
155 {
156         struct nv50_fifo_chan *chan = nv50_fifo_chan(base);
157         u32 handle = object->handle;
158         u32 context;
159
160         switch (object->engine->subdev.type) {
161         case NVKM_ENGINE_DMAOBJ:
162         case NVKM_ENGINE_SW    : context = 0x00000000; break;
163         case NVKM_ENGINE_GR    : context = 0x00100000; break;
164         case NVKM_ENGINE_MPEG  :
165         case NVKM_ENGINE_MSPPP : context = 0x00200000; break;
166         case NVKM_ENGINE_ME    :
167         case NVKM_ENGINE_CE    : context = 0x00300000; break;
168         case NVKM_ENGINE_VP    :
169         case NVKM_ENGINE_MSPDEC: context = 0x00400000; break;
170         case NVKM_ENGINE_CIPHER:
171         case NVKM_ENGINE_SEC   :
172         case NVKM_ENGINE_VIC   : context = 0x00500000; break;
173         case NVKM_ENGINE_BSP   :
174         case NVKM_ENGINE_MSVLD : context = 0x00600000; break;
175         default:
176                 WARN_ON(1);
177                 return -EINVAL;
178         }
179
180         return nvkm_ramht_insert(chan->ramht, object, 0, 4, handle, context);
181 }
182
183 static void
184 g84_fifo_chan_init(struct nvkm_fifo_chan *base)
185 {
186         struct nv50_fifo_chan *chan = nv50_fifo_chan(base);
187         struct nv50_fifo *fifo = chan->fifo;
188         struct nvkm_device *device = fifo->base.engine.subdev.device;
189         u64 addr = chan->ramfc->addr >> 8;
190         u32 chid = chan->base.chid;
191
192         nvkm_wr32(device, 0x002600 + (chid * 4), 0x80000000 | addr);
193         nv50_fifo_runlist_update(fifo);
194 }
195
196 static const struct nvkm_fifo_chan_func
197 g84_fifo_chan_func = {
198         .dtor = nv50_fifo_chan_dtor,
199         .init = g84_fifo_chan_init,
200         .fini = nv50_fifo_chan_fini,
201         .ntfy = g84_fifo_chan_ntfy,
202         .engine_ctor = g84_fifo_chan_engine_ctor,
203         .engine_dtor = nv50_fifo_chan_engine_dtor,
204         .engine_init = g84_fifo_chan_engine_init,
205         .engine_fini = g84_fifo_chan_engine_fini,
206         .object_ctor = g84_fifo_chan_object_ctor,
207         .object_dtor = nv50_fifo_chan_object_dtor,
208 };
209
210 int
211 g84_fifo_chan_ctor(struct nv50_fifo *fifo, u64 vmm, u64 push,
212                    const struct nvkm_oclass *oclass,
213                    struct nv50_fifo_chan *chan)
214 {
215         struct nvkm_device *device = fifo->base.engine.subdev.device;
216         int ret;
217
218         if (!vmm)
219                 return -EINVAL;
220
221         ret = nvkm_fifo_chan_ctor(&g84_fifo_chan_func, &fifo->base,
222                                   0x10000, 0x1000, false, vmm, push,
223                                   BIT(G84_FIFO_ENGN_SW) |
224                                   BIT(G84_FIFO_ENGN_GR) |
225                                   BIT(G84_FIFO_ENGN_MPEG) |
226                                   BIT(G84_FIFO_ENGN_MSPPP) |
227                                   BIT(G84_FIFO_ENGN_ME) |
228                                   BIT(G84_FIFO_ENGN_CE0) |
229                                   BIT(G84_FIFO_ENGN_VP) |
230                                   BIT(G84_FIFO_ENGN_MSPDEC) |
231                                   BIT(G84_FIFO_ENGN_CIPHER) |
232                                   BIT(G84_FIFO_ENGN_SEC) |
233                                   BIT(G84_FIFO_ENGN_VIC) |
234                                   BIT(G84_FIFO_ENGN_BSP) |
235                                   BIT(G84_FIFO_ENGN_MSVLD) |
236                                   BIT(G84_FIFO_ENGN_DMA),
237                                   0, 0xc00000, 0x2000, oclass, &chan->base);
238         chan->fifo = fifo;
239         if (ret)
240                 return ret;
241
242         ret = nvkm_gpuobj_new(device, 0x0200, 0, true, chan->base.inst,
243                               &chan->eng);
244         if (ret)
245                 return ret;
246
247         ret = nvkm_gpuobj_new(device, 0x4000, 0, false, chan->base.inst,
248                               &chan->pgd);
249         if (ret)
250                 return ret;
251
252         ret = nvkm_gpuobj_new(device, 0x1000, 0x400, true, chan->base.inst,
253                               &chan->cache);
254         if (ret)
255                 return ret;
256
257         ret = nvkm_gpuobj_new(device, 0x100, 0x100, true, chan->base.inst,
258                               &chan->ramfc);
259         if (ret)
260                 return ret;
261
262         return nvkm_ramht_new(device, 0x8000, 16, chan->base.inst, &chan->ramht);
263 }