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.
26 #include <core/enum.h>
27 #include <core/class.h>
28 #include <core/engctx.h>
29 #include <core/falcon.h>
31 #include <subdev/timer.h>
32 #include <subdev/fb.h>
34 #include <engine/fifo.h>
35 #include <engine/crypt.h>
37 #include "fuc/nv98.fuc.h"
39 struct nv98_crypt_priv {
40 struct nouveau_falcon base;
43 struct nv98_crypt_chan {
44 struct nouveau_falcon_chan base;
47 /*******************************************************************************
48 * Crypt object classes
49 ******************************************************************************/
51 static struct nouveau_oclass
52 nv98_crypt_sclass[] = {
53 { 0x88b4, &nouveau_object_ofuncs },
57 /*******************************************************************************
59 ******************************************************************************/
62 nv98_crypt_context_ctor(struct nouveau_object *parent,
63 struct nouveau_object *engine,
64 struct nouveau_oclass *oclass, void *data, u32 size,
65 struct nouveau_object **pobject)
67 struct nv98_crypt_chan *priv;
70 ret = nouveau_falcon_context_create(parent, engine, oclass, NULL, 256,
71 256, NVOBJ_FLAG_ZERO_ALLOC, &priv);
72 *pobject = nv_object(priv);
79 static struct nouveau_oclass
81 .handle = NV_ENGCTX(CRYPT, 0x98),
82 .ofuncs = &(struct nouveau_ofuncs) {
83 .ctor = nv98_crypt_context_ctor,
84 .dtor = _nouveau_falcon_context_dtor,
85 .init = _nouveau_falcon_context_init,
86 .fini = _nouveau_falcon_context_fini,
87 .rd32 = _nouveau_falcon_context_rd32,
88 .wr32 = _nouveau_falcon_context_wr32,
92 /*******************************************************************************
93 * PCRYPT engine/subdev functions
94 ******************************************************************************/
96 static const struct nouveau_enum nv98_crypt_isr_error_name[] = {
97 { 0x0000, "ILLEGAL_MTHD" },
98 { 0x0001, "INVALID_BITFIELD" },
99 { 0x0002, "INVALID_ENUM" },
105 nv98_crypt_intr(struct nouveau_subdev *subdev)
107 struct nouveau_fifo *pfifo = nouveau_fifo(subdev);
108 struct nouveau_engine *engine = nv_engine(subdev);
109 struct nouveau_object *engctx;
110 struct nv98_crypt_priv *priv = (void *)subdev;
111 u32 disp = nv_rd32(priv, 0x08701c);
112 u32 stat = nv_rd32(priv, 0x087008) & disp & ~(disp >> 16);
113 u32 inst = nv_rd32(priv, 0x087050) & 0x3fffffff;
114 u32 ssta = nv_rd32(priv, 0x087040) & 0x0000ffff;
115 u32 addr = nv_rd32(priv, 0x087040) >> 16;
116 u32 mthd = (addr & 0x07ff) << 2;
117 u32 subc = (addr & 0x3800) >> 11;
118 u32 data = nv_rd32(priv, 0x087044);
121 engctx = nouveau_engctx_get(engine, inst);
122 chid = pfifo->chid(pfifo, engctx);
124 if (stat & 0x00000040) {
125 nv_error(priv, "DISPATCH_ERROR [");
126 nouveau_enum_print(nv98_crypt_isr_error_name, ssta);
127 printk("] ch %d [0x%010llx] subc %d mthd 0x%04x data 0x%08x\n",
128 chid, (u64)inst << 12, subc, mthd, data);
129 nv_wr32(priv, 0x087004, 0x00000040);
134 nv_error(priv, "unhandled intr 0x%08x\n", stat);
135 nv_wr32(priv, 0x087004, stat);
138 nouveau_engctx_put(engctx);
142 nv98_crypt_tlb_flush(struct nouveau_engine *engine)
144 nv50_vm_flush_engine(&engine->base, 0x0a);
149 nv98_crypt_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
150 struct nouveau_oclass *oclass, void *data, u32 size,
151 struct nouveau_object **pobject)
153 struct nv98_crypt_priv *priv;
156 ret = nouveau_falcon_create(parent, engine, oclass, 0x087000, true,
157 "PCRYPT", "crypt", &priv);
158 *pobject = nv_object(priv);
162 nv_subdev(priv)->unit = 0x00004000;
163 nv_subdev(priv)->intr = nv98_crypt_intr;
164 nv_engine(priv)->cclass = &nv98_crypt_cclass;
165 nv_engine(priv)->sclass = nv98_crypt_sclass;
166 nv_engine(priv)->tlb_flush = nv98_crypt_tlb_flush;
167 nv_falcon(priv)->code.data = nv98_pcrypt_code;
168 nv_falcon(priv)->code.size = sizeof(nv98_pcrypt_code);
169 nv_falcon(priv)->data.data = nv98_pcrypt_data;
170 nv_falcon(priv)->data.size = sizeof(nv98_pcrypt_data);
174 struct nouveau_oclass
175 nv98_crypt_oclass = {
176 .handle = NV_ENGINE(CRYPT, 0x98),
177 .ofuncs = &(struct nouveau_ofuncs) {
178 .ctor = nv98_crypt_ctor,
179 .dtor = _nouveau_falcon_dtor,
180 .init = _nouveau_falcon_init,
181 .fini = _nouveau_falcon_fini,
182 .rd32 = _nouveau_falcon_rd32,
183 .wr32 = _nouveau_falcon_wr32,