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drm/nouveau/falcon: remove dependence on namedb/engctx lookup
[uclinux-h8/linux.git] / drivers / gpu / drm / nouveau / nvkm / engine / ce / gt215.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 <engine/ce.h>
25 #include <engine/fifo.h>
26 #include "fuc/gt215.fuc3.h"
27
28 #include <core/client.h>
29 #include <core/enum.h>
30
31 /*******************************************************************************
32  * Copy object classes
33  ******************************************************************************/
34
35 static struct nvkm_oclass
36 gt215_ce_sclass[] = {
37         { 0x85b5, &nvkm_object_ofuncs },
38         {}
39 };
40
41 /*******************************************************************************
42  * PCE context
43  ******************************************************************************/
44
45 static struct nvkm_oclass
46 gt215_ce_cclass = {
47         .handle = NV_ENGCTX(CE0, 0xa3),
48         .ofuncs = &(struct nvkm_ofuncs) {
49                 .ctor = _nvkm_falcon_context_ctor,
50                 .dtor = _nvkm_falcon_context_dtor,
51                 .init = _nvkm_falcon_context_init,
52                 .fini = _nvkm_falcon_context_fini,
53                 .rd32 = _nvkm_falcon_context_rd32,
54                 .wr32 = _nvkm_falcon_context_wr32,
55
56         },
57 };
58
59 /*******************************************************************************
60  * PCE engine/subdev functions
61  ******************************************************************************/
62
63 static const struct nvkm_enum
64 gt215_ce_isr_error_name[] = {
65         { 0x0001, "ILLEGAL_MTHD" },
66         { 0x0002, "INVALID_ENUM" },
67         { 0x0003, "INVALID_BITFIELD" },
68         {}
69 };
70
71 void
72 gt215_ce_intr(struct nvkm_falcon *ce, struct nvkm_fifo_chan *chan)
73 {
74         struct nvkm_subdev *subdev = &ce->engine.subdev;
75         struct nvkm_device *device = subdev->device;
76         const u32 base = (nv_subidx(subdev) - NVDEV_ENGINE_CE0) * 0x1000;
77         u32 ssta = nvkm_rd32(device, 0x104040 + base) & 0x0000ffff;
78         u32 addr = nvkm_rd32(device, 0x104040 + base) >> 16;
79         u32 mthd = (addr & 0x07ff) << 2;
80         u32 subc = (addr & 0x3800) >> 11;
81         u32 data = nvkm_rd32(device, 0x104044 + base);
82         const struct nvkm_enum *en =
83                 nvkm_enum_find(gt215_ce_isr_error_name, ssta);
84
85         nvkm_error(subdev, "DISPATCH_ERROR %04x [%s] ch %d [%010llx %s] "
86                            "subc %d mthd %04x data %08x\n", ssta,
87                    en ? en->name : "", chan ? chan->chid : -1,
88                    chan ? chan->inst : 0, nvkm_client_name(chan),
89                    subc, mthd, data);
90 }
91
92 static const struct nvkm_falcon_func
93 gt215_ce_func = {
94         .intr = gt215_ce_intr,
95 };
96
97 static int
98 gt215_ce_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
99               struct nvkm_oclass *oclass, void *data, u32 size,
100               struct nvkm_object **pobject)
101 {
102         bool enable = (nv_device(parent)->chipset != 0xaf);
103         struct nvkm_falcon *ce;
104         int ret;
105
106         ret = nvkm_falcon_create(&gt215_ce_func, parent, engine, oclass,
107                                  0x104000, enable, "PCE0", "ce0", &ce);
108         *pobject = nv_object(ce);
109         if (ret)
110                 return ret;
111
112         nv_subdev(ce)->unit = 0x00802000;
113         nv_engine(ce)->cclass = &gt215_ce_cclass;
114         nv_engine(ce)->sclass = gt215_ce_sclass;
115         nv_falcon(ce)->code.data = gt215_ce_code;
116         nv_falcon(ce)->code.size = sizeof(gt215_ce_code);
117         nv_falcon(ce)->data.data = gt215_ce_data;
118         nv_falcon(ce)->data.size = sizeof(gt215_ce_data);
119         return 0;
120 }
121
122 struct nvkm_oclass
123 gt215_ce_oclass = {
124         .handle = NV_ENGINE(CE0, 0xa3),
125         .ofuncs = &(struct nvkm_ofuncs) {
126                 .ctor = gt215_ce_ctor,
127                 .dtor = _nvkm_falcon_dtor,
128                 .init = _nvkm_falcon_init,
129                 .fini = _nvkm_falcon_fini,
130         },
131 };