2 * Copyright 2012 Red Hat Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
24 #include <engine/ce.h>
25 #include <engine/falcon.h>
26 #include <engine/fifo.h>
27 #include "fuc/gt215.fuc3.h"
29 #include <core/client.h>
30 #include <core/enum.h>
32 /*******************************************************************************
34 ******************************************************************************/
36 static struct nvkm_oclass
38 { 0x85b5, &nvkm_object_ofuncs },
42 /*******************************************************************************
44 ******************************************************************************/
46 static struct nvkm_oclass
48 .handle = NV_ENGCTX(CE0, 0xa3),
49 .ofuncs = &(struct nvkm_ofuncs) {
50 .ctor = _nvkm_falcon_context_ctor,
51 .dtor = _nvkm_falcon_context_dtor,
52 .init = _nvkm_falcon_context_init,
53 .fini = _nvkm_falcon_context_fini,
54 .rd32 = _nvkm_falcon_context_rd32,
55 .wr32 = _nvkm_falcon_context_wr32,
60 /*******************************************************************************
61 * PCE engine/subdev functions
62 ******************************************************************************/
64 static const struct nvkm_enum
65 gt215_ce_isr_error_name[] = {
66 { 0x0001, "ILLEGAL_MTHD" },
67 { 0x0002, "INVALID_ENUM" },
68 { 0x0003, "INVALID_BITFIELD" },
73 gt215_ce_intr(struct nvkm_subdev *subdev)
75 struct nvkm_fifo *fifo = nvkm_fifo(subdev);
76 struct nvkm_engine *engine = nv_engine(subdev);
77 struct nvkm_falcon *falcon = (void *)subdev;
78 struct nvkm_object *engctx;
79 u32 dispatch = nv_ro32(falcon, 0x01c);
80 u32 stat = nv_ro32(falcon, 0x008) & dispatch & ~(dispatch >> 16);
81 u64 inst = nv_ro32(falcon, 0x050) & 0x3fffffff;
82 u32 ssta = nv_ro32(falcon, 0x040) & 0x0000ffff;
83 u32 addr = nv_ro32(falcon, 0x040) >> 16;
84 u32 mthd = (addr & 0x07ff) << 2;
85 u32 subc = (addr & 0x3800) >> 11;
86 u32 data = nv_ro32(falcon, 0x044);
89 engctx = nvkm_engctx_get(engine, inst);
90 chid = fifo->chid(fifo, engctx);
92 if (stat & 0x00000040) {
93 nv_error(falcon, "DISPATCH_ERROR [");
94 nvkm_enum_print(gt215_ce_isr_error_name, ssta);
95 pr_cont("] ch %d [0x%010llx %s] subc %d mthd 0x%04x data 0x%08x\n",
96 chid, inst << 12, nvkm_client_name(engctx), subc,
98 nv_wo32(falcon, 0x004, 0x00000040);
103 nv_error(falcon, "unhandled intr 0x%08x\n", stat);
104 nv_wo32(falcon, 0x004, stat);
107 nvkm_engctx_put(engctx);
111 gt215_ce_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
112 struct nvkm_oclass *oclass, void *data, u32 size,
113 struct nvkm_object **pobject)
115 bool enable = (nv_device(parent)->chipset != 0xaf);
116 struct nvkm_falcon *ce;
119 ret = nvkm_falcon_create(parent, engine, oclass, 0x104000, enable,
121 *pobject = nv_object(ce);
125 nv_subdev(ce)->unit = 0x00802000;
126 nv_subdev(ce)->intr = gt215_ce_intr;
127 nv_engine(ce)->cclass = >215_ce_cclass;
128 nv_engine(ce)->sclass = gt215_ce_sclass;
129 nv_falcon(ce)->code.data = gt215_ce_code;
130 nv_falcon(ce)->code.size = sizeof(gt215_ce_code);
131 nv_falcon(ce)->data.data = gt215_ce_data;
132 nv_falcon(ce)->data.size = sizeof(gt215_ce_data);
138 .handle = NV_ENGINE(CE0, 0xa3),
139 .ofuncs = &(struct nvkm_ofuncs) {
140 .ctor = gt215_ce_ctor,
141 .dtor = _nvkm_falcon_dtor,
142 .init = _nvkm_falcon_init,
143 .fini = _nvkm_falcon_fini,
144 .rd32 = _nvkm_falcon_rd32,
145 .wr32 = _nvkm_falcon_wr32,