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7ff5441e | 1 | /* |
ebb945a9 | 2 | * Copyright 2012 Red Hat Inc. |
7ff5441e BS |
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 | ||
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25 | #include <core/os.h> |
26 | #include <core/enum.h> | |
27 | #include <core/class.h> | |
28 | #include <core/engctx.h> | |
7ff5441e | 29 | |
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30 | #include <subdev/fb.h> |
31 | #include <subdev/vm.h> | |
7ff5441e | 32 | |
ebb945a9 | 33 | #include <engine/copy.h> |
7ff5441e | 34 | |
ebb945a9 | 35 | #include "fuc/nva3.fuc.h" |
7ff5441e | 36 | |
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37 | struct nva3_copy_priv { |
38 | struct nouveau_copy base; | |
39 | }; | |
7ff5441e | 40 | |
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41 | struct nva3_copy_chan { |
42 | struct nouveau_copy_chan base; | |
43 | }; | |
7ff5441e | 44 | |
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45 | /******************************************************************************* |
46 | * Copy object classes | |
47 | ******************************************************************************/ | |
7ff5441e | 48 | |
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49 | static struct nouveau_oclass |
50 | nva3_copy_sclass[] = { | |
51 | { 0x85b5, &nouveau_object_ofuncs }, | |
52 | {} | |
53 | }; | |
7ff5441e | 54 | |
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55 | /******************************************************************************* |
56 | * PCOPY context | |
57 | ******************************************************************************/ | |
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58 | |
59 | static int | |
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60 | nva3_copy_context_ctor(struct nouveau_object *parent, |
61 | struct nouveau_object *engine, | |
62 | struct nouveau_oclass *oclass, void *data, u32 size, | |
63 | struct nouveau_object **pobject) | |
7ff5441e | 64 | { |
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65 | struct nva3_copy_chan *priv; |
66 | int ret; | |
7ff5441e | 67 | |
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68 | ret = nouveau_copy_context_create(parent, engine, oclass, NULL, 256, 0, |
69 | NVOBJ_FLAG_ZERO_ALLOC, &priv); | |
70 | *pobject = nv_object(priv); | |
71 | if (ret) | |
72 | return ret; | |
7ff5441e | 73 | |
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74 | return 0; |
75 | } | |
76 | ||
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77 | static struct nouveau_oclass |
78 | nva3_copy_cclass = { | |
79 | .handle = NV_ENGCTX(COPY0, 0xa3), | |
80 | .ofuncs = &(struct nouveau_ofuncs) { | |
81 | .ctor = nva3_copy_context_ctor, | |
82 | .dtor = _nouveau_copy_context_dtor, | |
83 | .init = _nouveau_copy_context_init, | |
84 | .fini = _nouveau_copy_context_fini, | |
85 | .rd32 = _nouveau_copy_context_rd32, | |
86 | .wr32 = _nouveau_copy_context_wr32, | |
87 | ||
88 | }, | |
89 | }; | |
90 | ||
91 | /******************************************************************************* | |
92 | * PCOPY engine/subdev functions | |
93 | ******************************************************************************/ | |
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94 | |
95 | static struct nouveau_enum nva3_copy_isr_error_name[] = { | |
96 | { 0x0001, "ILLEGAL_MTHD" }, | |
97 | { 0x0002, "INVALID_ENUM" }, | |
98 | { 0x0003, "INVALID_BITFIELD" }, | |
99 | {} | |
100 | }; | |
101 | ||
102 | static void | |
ebb945a9 | 103 | nva3_copy_intr(struct nouveau_subdev *subdev) |
7ff5441e | 104 | { |
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105 | struct nva3_copy_priv *priv = (void *)subdev; |
106 | u32 dispatch = nv_rd32(priv, 0x10401c); | |
107 | u32 stat = nv_rd32(priv, 0x104008) & dispatch & ~(dispatch >> 16); | |
108 | u32 inst = nv_rd32(priv, 0x104050) & 0x3fffffff; | |
109 | u32 ssta = nv_rd32(priv, 0x104040) & 0x0000ffff; | |
110 | u32 addr = nv_rd32(priv, 0x104040) >> 16; | |
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111 | u32 mthd = (addr & 0x07ff) << 2; |
112 | u32 subc = (addr & 0x3800) >> 11; | |
ebb945a9 | 113 | u32 data = nv_rd32(priv, 0x104044); |
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114 | |
115 | if (stat & 0x00000040) { | |
ebb945a9 | 116 | nv_error(priv, "DISPATCH_ERROR ["); |
7ff5441e | 117 | nouveau_enum_print(nva3_copy_isr_error_name, ssta); |
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118 | printk("] ch 0x%08x subc %d mthd 0x%04x data 0x%08x\n", |
119 | inst, subc, mthd, data); | |
120 | nv_wr32(priv, 0x104004, 0x00000040); | |
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121 | stat &= ~0x00000040; |
122 | } | |
123 | ||
124 | if (stat) { | |
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125 | nv_error(priv, "unhandled intr 0x%08x\n", stat); |
126 | nv_wr32(priv, 0x104004, stat); | |
7ff5441e | 127 | } |
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128 | |
129 | nv50_fb_trap(nouveau_fb(priv), 1); | |
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130 | } |
131 | ||
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132 | static int |
133 | nva3_copy_tlb_flush(struct nouveau_engine *engine) | |
7ff5441e | 134 | { |
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135 | nv50_vm_flush_engine(&engine->base, 0x0d); |
136 | return 0; | |
137 | } | |
7ff5441e | 138 | |
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139 | static int |
140 | nva3_copy_ctor(struct nouveau_object *parent, struct nouveau_object *engine, | |
141 | struct nouveau_oclass *oclass, void *data, u32 size, | |
142 | struct nouveau_object **pobject) | |
143 | { | |
144 | bool enable = (nv_device(parent)->chipset != 0xaf); | |
145 | struct nva3_copy_priv *priv; | |
146 | int ret; | |
7ff5441e | 147 | |
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148 | ret = nouveau_copy_create(parent, engine, oclass, enable, 0, &priv); |
149 | *pobject = nv_object(priv); | |
150 | if (ret) | |
151 | return ret; | |
152 | ||
153 | nv_subdev(priv)->unit = 0x00802000; | |
154 | nv_subdev(priv)->intr = nva3_copy_intr; | |
155 | nv_engine(priv)->cclass = &nva3_copy_cclass; | |
156 | nv_engine(priv)->sclass = nva3_copy_sclass; | |
157 | nv_engine(priv)->tlb_flush = nva3_copy_tlb_flush; | |
158 | return 0; | |
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159 | } |
160 | ||
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161 | static int |
162 | nva3_copy_init(struct nouveau_object *object) | |
7ff5441e | 163 | { |
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164 | struct nva3_copy_priv *priv = (void *)object; |
165 | int ret, i; | |
7ff5441e | 166 | |
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167 | ret = nouveau_copy_init(&priv->base); |
168 | if (ret) | |
169 | return ret; | |
7ff5441e | 170 | |
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171 | /* disable all interrupts */ |
172 | nv_wr32(priv, 0x104014, 0xffffffff); | |
7ff5441e | 173 | |
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174 | /* upload ucode */ |
175 | nv_wr32(priv, 0x1041c0, 0x01000000); | |
176 | for (i = 0; i < sizeof(nva3_pcopy_data) / 4; i++) | |
177 | nv_wr32(priv, 0x1041c4, nva3_pcopy_data[i]); | |
178 | ||
179 | nv_wr32(priv, 0x104180, 0x01000000); | |
180 | for (i = 0; i < sizeof(nva3_pcopy_code) / 4; i++) { | |
181 | if ((i & 0x3f) == 0) | |
182 | nv_wr32(priv, 0x104188, i >> 6); | |
183 | nv_wr32(priv, 0x104184, nva3_pcopy_code[i]); | |
184 | } | |
7ff5441e | 185 | |
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186 | /* start it running */ |
187 | nv_wr32(priv, 0x10410c, 0x00000000); | |
188 | nv_wr32(priv, 0x104104, 0x00000000); /* ENTRY */ | |
189 | nv_wr32(priv, 0x104100, 0x00000002); /* TRIGGER */ | |
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190 | return 0; |
191 | } | |
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192 | |
193 | static int | |
194 | nva3_copy_fini(struct nouveau_object *object, bool suspend) | |
195 | { | |
196 | struct nva3_copy_priv *priv = (void *)object; | |
197 | ||
198 | nv_mask(priv, 0x104048, 0x00000003, 0x00000000); | |
199 | nv_wr32(priv, 0x104014, 0xffffffff); | |
200 | ||
201 | return nouveau_copy_fini(&priv->base, suspend); | |
202 | } | |
203 | ||
204 | struct nouveau_oclass | |
205 | nva3_copy_oclass = { | |
206 | .handle = NV_ENGINE(COPY0, 0xa3), | |
207 | .ofuncs = &(struct nouveau_ofuncs) { | |
208 | .ctor = nva3_copy_ctor, | |
209 | .dtor = _nouveau_copy_dtor, | |
210 | .init = nva3_copy_init, | |
211 | .fini = nva3_copy_fini, | |
212 | }, | |
213 | }; |