1/*
2 * Copyright 2015 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 <bskeggs@redhat.com>
23 */
24#include "priv.h"
25
26#include <engine/fifo.h>
27
28static void
29nvkm_gr_tile(struct nvkm_engine *engine, int region, struct nvkm_fb_tile *tile)
30{
31	struct nvkm_gr *gr = nvkm_gr(engine);
32	if (gr->func->tile)
33		gr->func->tile(gr, region, tile);
34}
35
36u64
37nvkm_gr_units(struct nvkm_gr *gr)
38{
39	if (gr->func->units)
40		return gr->func->units(gr);
41	return 0;
42}
43
44int
45nvkm_gr_tlb_flush(struct nvkm_gr *gr)
46{
47	if (gr->func->tlb_flush)
48		return gr->func->tlb_flush(gr);
49	return -ENODEV;
50}
51
52static int
53nvkm_gr_oclass_get(struct nvkm_oclass *oclass, int index)
54{
55	struct nvkm_gr *gr = nvkm_gr(oclass->engine);
56	int c = 0;
57
58	if (gr->func->object_get) {
59		int ret = gr->func->object_get(gr, index, &oclass->base);
60		if (oclass->base.oclass)
61			return index;
62		return ret;
63	}
64
65	while (gr->func->sclass[c].oclass) {
66		if (c++ == index) {
67			oclass->base = gr->func->sclass[index];
68			return index;
69		}
70	}
71
72	return c;
73}
74
75static int
76nvkm_gr_cclass_new(struct nvkm_fifo_chan *chan,
77		   const struct nvkm_oclass *oclass,
78		   struct nvkm_object **pobject)
79{
80	struct nvkm_gr *gr = nvkm_gr(oclass->engine);
81	if (gr->func->chan_new)
82		return gr->func->chan_new(gr, chan, oclass, pobject);
83	return 0;
84}
85
86static void
87nvkm_gr_intr(struct nvkm_engine *engine)
88{
89	struct nvkm_gr *gr = nvkm_gr(engine);
90	gr->func->intr(gr);
91}
92
93static int
94nvkm_gr_oneinit(struct nvkm_engine *engine)
95{
96	struct nvkm_gr *gr = nvkm_gr(engine);
97	if (gr->func->oneinit)
98		return gr->func->oneinit(gr);
99	return 0;
100}
101
102static int
103nvkm_gr_init(struct nvkm_engine *engine)
104{
105	struct nvkm_gr *gr = nvkm_gr(engine);
106	return gr->func->init(gr);
107}
108
109static void *
110nvkm_gr_dtor(struct nvkm_engine *engine)
111{
112	struct nvkm_gr *gr = nvkm_gr(engine);
113	if (gr->func->dtor)
114		return gr->func->dtor(gr);
115	return gr;
116}
117
118static const struct nvkm_engine_func
119nvkm_gr = {
120	.dtor = nvkm_gr_dtor,
121	.oneinit = nvkm_gr_oneinit,
122	.init = nvkm_gr_init,
123	.intr = nvkm_gr_intr,
124	.tile = nvkm_gr_tile,
125	.fifo.cclass = nvkm_gr_cclass_new,
126	.fifo.sclass = nvkm_gr_oclass_get,
127};
128
129int
130nvkm_gr_ctor(const struct nvkm_gr_func *func, struct nvkm_device *device,
131	     int index, u32 pmc_enable, bool enable, struct nvkm_gr *gr)
132{
133	gr->func = func;
134	return nvkm_engine_ctor(&nvkm_gr, device, index, pmc_enable,
135				enable, &gr->engine);
136}
137