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
g84_fifo_chan_ntfy(struct nvkm_fifo_chan * chan,u32 type,struct nvkm_event ** pevent)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
g84_fifo_chan_engine(struct nvkm_engine * engine)48 g84_fifo_chan_engine(struct nvkm_engine *engine)
49 {
50 	switch (engine->subdev.index) {
51 	case NVKM_ENGINE_GR    : return 0;
52 	case NVKM_ENGINE_MPEG  :
53 	case NVKM_ENGINE_MSPPP : return 1;
54 	case NVKM_ENGINE_CE0   : return 2;
55 	case NVKM_ENGINE_VP    :
56 	case NVKM_ENGINE_MSPDEC: return 3;
57 	case NVKM_ENGINE_CIPHER:
58 	case NVKM_ENGINE_SEC   : return 4;
59 	case NVKM_ENGINE_BSP   :
60 	case NVKM_ENGINE_MSVLD : return 5;
61 	default:
62 		WARN_ON(1);
63 		return 0;
64 	}
65 }
66 
67 static int
g84_fifo_chan_engine_addr(struct nvkm_engine * engine)68 g84_fifo_chan_engine_addr(struct nvkm_engine *engine)
69 {
70 	switch (engine->subdev.index) {
71 	case NVKM_ENGINE_DMAOBJ:
72 	case NVKM_ENGINE_SW    : return -1;
73 	case NVKM_ENGINE_GR    : return 0x0020;
74 	case NVKM_ENGINE_VP    :
75 	case NVKM_ENGINE_MSPDEC: return 0x0040;
76 	case NVKM_ENGINE_MPEG  :
77 	case NVKM_ENGINE_MSPPP : return 0x0060;
78 	case NVKM_ENGINE_BSP   :
79 	case NVKM_ENGINE_MSVLD : return 0x0080;
80 	case NVKM_ENGINE_CIPHER:
81 	case NVKM_ENGINE_SEC   : return 0x00a0;
82 	case NVKM_ENGINE_CE0   : return 0x00c0;
83 	default:
84 		WARN_ON(1);
85 		return -1;
86 	}
87 }
88 
89 static int
g84_fifo_chan_engine_fini(struct nvkm_fifo_chan * base,struct nvkm_engine * engine,bool suspend)90 g84_fifo_chan_engine_fini(struct nvkm_fifo_chan *base,
91 			  struct nvkm_engine *engine, bool suspend)
92 {
93 	struct nv50_fifo_chan *chan = nv50_fifo_chan(base);
94 	struct nv50_fifo *fifo = chan->fifo;
95 	struct nvkm_subdev *subdev = &fifo->base.engine.subdev;
96 	struct nvkm_device *device = subdev->device;
97 	u32 engn, save;
98 	int offset;
99 	bool done;
100 
101 	offset = g84_fifo_chan_engine_addr(engine);
102 	if (offset < 0)
103 		return 0;
104 
105 	engn = g84_fifo_chan_engine(engine);
106 	save = nvkm_mask(device, 0x002520, 0x0000003f, 1 << engn);
107 	nvkm_wr32(device, 0x0032fc, chan->base.inst->addr >> 12);
108 	done = nvkm_msec(device, 2000,
109 		if (nvkm_rd32(device, 0x0032fc) != 0xffffffff)
110 			break;
111 	) >= 0;
112 	nvkm_wr32(device, 0x002520, save);
113 	if (!done) {
114 		nvkm_error(subdev, "channel %d [%s] unload timeout\n",
115 			   chan->base.chid, chan->base.object.client->name);
116 		if (suspend)
117 			return -EBUSY;
118 	}
119 
120 	nvkm_kmap(chan->eng);
121 	nvkm_wo32(chan->eng, offset + 0x00, 0x00000000);
122 	nvkm_wo32(chan->eng, offset + 0x04, 0x00000000);
123 	nvkm_wo32(chan->eng, offset + 0x08, 0x00000000);
124 	nvkm_wo32(chan->eng, offset + 0x0c, 0x00000000);
125 	nvkm_wo32(chan->eng, offset + 0x10, 0x00000000);
126 	nvkm_wo32(chan->eng, offset + 0x14, 0x00000000);
127 	nvkm_done(chan->eng);
128 	return 0;
129 }
130 
131 
132 static int
g84_fifo_chan_engine_init(struct nvkm_fifo_chan * base,struct nvkm_engine * engine)133 g84_fifo_chan_engine_init(struct nvkm_fifo_chan *base,
134 			  struct nvkm_engine *engine)
135 {
136 	struct nv50_fifo_chan *chan = nv50_fifo_chan(base);
137 	struct nvkm_gpuobj *engn = chan->engn[engine->subdev.index];
138 	u64 limit, start;
139 	int offset;
140 
141 	offset = g84_fifo_chan_engine_addr(engine);
142 	if (offset < 0)
143 		return 0;
144 	limit = engn->addr + engn->size - 1;
145 	start = engn->addr;
146 
147 	nvkm_kmap(chan->eng);
148 	nvkm_wo32(chan->eng, offset + 0x00, 0x00190000);
149 	nvkm_wo32(chan->eng, offset + 0x04, lower_32_bits(limit));
150 	nvkm_wo32(chan->eng, offset + 0x08, lower_32_bits(start));
151 	nvkm_wo32(chan->eng, offset + 0x0c, upper_32_bits(limit) << 24 |
152 					    upper_32_bits(start));
153 	nvkm_wo32(chan->eng, offset + 0x10, 0x00000000);
154 	nvkm_wo32(chan->eng, offset + 0x14, 0x00000000);
155 	nvkm_done(chan->eng);
156 	return 0;
157 }
158 
159 static int
g84_fifo_chan_engine_ctor(struct nvkm_fifo_chan * base,struct nvkm_engine * engine,struct nvkm_object * object)160 g84_fifo_chan_engine_ctor(struct nvkm_fifo_chan *base,
161 			  struct nvkm_engine *engine,
162 			  struct nvkm_object *object)
163 {
164 	struct nv50_fifo_chan *chan = nv50_fifo_chan(base);
165 	int engn = engine->subdev.index;
166 
167 	if (g84_fifo_chan_engine_addr(engine) < 0)
168 		return 0;
169 
170 	return nvkm_object_bind(object, NULL, 0, &chan->engn[engn]);
171 }
172 
173 static int
g84_fifo_chan_object_ctor(struct nvkm_fifo_chan * base,struct nvkm_object * object)174 g84_fifo_chan_object_ctor(struct nvkm_fifo_chan *base,
175 			  struct nvkm_object *object)
176 {
177 	struct nv50_fifo_chan *chan = nv50_fifo_chan(base);
178 	u32 handle = object->handle;
179 	u32 context;
180 
181 	switch (object->engine->subdev.index) {
182 	case NVKM_ENGINE_DMAOBJ:
183 	case NVKM_ENGINE_SW    : context = 0x00000000; break;
184 	case NVKM_ENGINE_GR    : context = 0x00100000; break;
185 	case NVKM_ENGINE_MPEG  :
186 	case NVKM_ENGINE_MSPPP : context = 0x00200000; break;
187 	case NVKM_ENGINE_ME    :
188 	case NVKM_ENGINE_CE0   : context = 0x00300000; break;
189 	case NVKM_ENGINE_VP    :
190 	case NVKM_ENGINE_MSPDEC: context = 0x00400000; break;
191 	case NVKM_ENGINE_CIPHER:
192 	case NVKM_ENGINE_SEC   :
193 	case NVKM_ENGINE_VIC   : context = 0x00500000; break;
194 	case NVKM_ENGINE_BSP   :
195 	case NVKM_ENGINE_MSVLD : context = 0x00600000; break;
196 	default:
197 		WARN_ON(1);
198 		return -EINVAL;
199 	}
200 
201 	return nvkm_ramht_insert(chan->ramht, object, 0, 4, handle, context);
202 }
203 
204 static void
g84_fifo_chan_init(struct nvkm_fifo_chan * base)205 g84_fifo_chan_init(struct nvkm_fifo_chan *base)
206 {
207 	struct nv50_fifo_chan *chan = nv50_fifo_chan(base);
208 	struct nv50_fifo *fifo = chan->fifo;
209 	struct nvkm_device *device = fifo->base.engine.subdev.device;
210 	u64 addr = chan->ramfc->addr >> 8;
211 	u32 chid = chan->base.chid;
212 
213 	nvkm_wr32(device, 0x002600 + (chid * 4), 0x80000000 | addr);
214 	nv50_fifo_runlist_update(fifo);
215 }
216 
217 static const struct nvkm_fifo_chan_func
218 g84_fifo_chan_func = {
219 	.dtor = nv50_fifo_chan_dtor,
220 	.init = g84_fifo_chan_init,
221 	.fini = nv50_fifo_chan_fini,
222 	.ntfy = g84_fifo_chan_ntfy,
223 	.engine_ctor = g84_fifo_chan_engine_ctor,
224 	.engine_dtor = nv50_fifo_chan_engine_dtor,
225 	.engine_init = g84_fifo_chan_engine_init,
226 	.engine_fini = g84_fifo_chan_engine_fini,
227 	.object_ctor = g84_fifo_chan_object_ctor,
228 	.object_dtor = nv50_fifo_chan_object_dtor,
229 };
230 
231 int
g84_fifo_chan_ctor(struct nv50_fifo * fifo,u64 vmm,u64 push,const struct nvkm_oclass * oclass,struct nv50_fifo_chan * chan)232 g84_fifo_chan_ctor(struct nv50_fifo *fifo, u64 vmm, u64 push,
233 		   const struct nvkm_oclass *oclass,
234 		   struct nv50_fifo_chan *chan)
235 {
236 	struct nvkm_device *device = fifo->base.engine.subdev.device;
237 	int ret;
238 
239 	if (!vmm)
240 		return -EINVAL;
241 
242 	ret = nvkm_fifo_chan_ctor(&g84_fifo_chan_func, &fifo->base,
243 				  0x10000, 0x1000, false, vmm, push,
244 				  (1ULL << NVKM_ENGINE_BSP) |
245 				  (1ULL << NVKM_ENGINE_CE0) |
246 				  (1ULL << NVKM_ENGINE_CIPHER) |
247 				  (1ULL << NVKM_ENGINE_DMAOBJ) |
248 				  (1ULL << NVKM_ENGINE_GR) |
249 				  (1ULL << NVKM_ENGINE_ME) |
250 				  (1ULL << NVKM_ENGINE_MPEG) |
251 				  (1ULL << NVKM_ENGINE_MSPDEC) |
252 				  (1ULL << NVKM_ENGINE_MSPPP) |
253 				  (1ULL << NVKM_ENGINE_MSVLD) |
254 				  (1ULL << NVKM_ENGINE_SEC) |
255 				  (1ULL << NVKM_ENGINE_SW) |
256 				  (1ULL << NVKM_ENGINE_VIC) |
257 				  (1ULL << NVKM_ENGINE_VP),
258 				  0, 0xc00000, 0x2000, oclass, &chan->base);
259 	chan->fifo = fifo;
260 	if (ret)
261 		return ret;
262 
263 	ret = nvkm_gpuobj_new(device, 0x0200, 0, true, chan->base.inst,
264 			      &chan->eng);
265 	if (ret)
266 		return ret;
267 
268 	ret = nvkm_gpuobj_new(device, 0x4000, 0, false, chan->base.inst,
269 			      &chan->pgd);
270 	if (ret)
271 		return ret;
272 
273 	ret = nvkm_gpuobj_new(device, 0x1000, 0x400, true, chan->base.inst,
274 			      &chan->cache);
275 	if (ret)
276 		return ret;
277 
278 	ret = nvkm_gpuobj_new(device, 0x100, 0x100, true, chan->base.inst,
279 			      &chan->ramfc);
280 	if (ret)
281 		return ret;
282 
283 	return nvkm_ramht_new(device, 0x8000, 16, chan->base.inst, &chan->ramht);
284 }
285