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>
30 #include <subdev/fb.h>
31 #include <subdev/vm.h>
33 #include <engine/copy.h>
35 #include "fuc/nva3.fuc.h"
37 struct nva3_copy_priv
{
38 struct nouveau_copy base
;
41 struct nva3_copy_chan
{
42 struct nouveau_copy_chan base
;
45 /*******************************************************************************
47 ******************************************************************************/
49 static struct nouveau_oclass
50 nva3_copy_sclass
[] = {
51 { 0x85b5, &nouveau_object_ofuncs
},
55 /*******************************************************************************
57 ******************************************************************************/
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
)
65 struct nva3_copy_chan
*priv
;
68 ret
= nouveau_copy_context_create(parent
, engine
, oclass
, NULL
, 256, 0,
69 NVOBJ_FLAG_ZERO_ALLOC
, &priv
);
70 *pobject
= nv_object(priv
);
77 static struct nouveau_oclass
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
,
91 /*******************************************************************************
92 * PCOPY engine/subdev functions
93 ******************************************************************************/
95 static struct nouveau_enum nva3_copy_isr_error_name
[] = {
96 { 0x0001, "ILLEGAL_MTHD" },
97 { 0x0002, "INVALID_ENUM" },
98 { 0x0003, "INVALID_BITFIELD" },
103 nva3_copy_intr(struct nouveau_subdev
*subdev
)
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;
111 u32 mthd
= (addr
& 0x07ff) << 2;
112 u32 subc
= (addr
& 0x3800) >> 11;
113 u32 data
= nv_rd32(priv
, 0x104044);
115 if (stat
& 0x00000040) {
116 nv_error(priv
, "DISPATCH_ERROR [");
117 nouveau_enum_print(nva3_copy_isr_error_name
, ssta
);
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);
125 nv_error(priv
, "unhandled intr 0x%08x\n", stat
);
126 nv_wr32(priv
, 0x104004, stat
);
129 nv50_fb_trap(nouveau_fb(priv
), 1);
133 nva3_copy_tlb_flush(struct nouveau_engine
*engine
)
135 nv50_vm_flush_engine(&engine
->base
, 0x0d);
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
)
144 bool enable
= (nv_device(parent
)->chipset
!= 0xaf);
145 struct nva3_copy_priv
*priv
;
148 ret
= nouveau_copy_create(parent
, engine
, oclass
, enable
, 0, &priv
);
149 *pobject
= nv_object(priv
);
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
;
162 nva3_copy_init(struct nouveau_object
*object
)
164 struct nva3_copy_priv
*priv
= (void *)object
;
167 ret
= nouveau_copy_init(&priv
->base
);
171 /* disable all interrupts */
172 nv_wr32(priv
, 0x104014, 0xffffffff);
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
]);
179 nv_wr32(priv
, 0x104180, 0x01000000);
180 for (i
= 0; i
< sizeof(nva3_pcopy_code
) / 4; i
++) {
182 nv_wr32(priv
, 0x104188, i
>> 6);
183 nv_wr32(priv
, 0x104184, nva3_pcopy_code
[i
]);
186 /* start it running */
187 nv_wr32(priv
, 0x10410c, 0x00000000);
188 nv_wr32(priv
, 0x104104, 0x00000000); /* ENTRY */
189 nv_wr32(priv
, 0x104100, 0x00000002); /* TRIGGER */
194 nva3_copy_fini(struct nouveau_object
*object
, bool suspend
)
196 struct nva3_copy_priv
*priv
= (void *)object
;
198 nv_mask(priv
, 0x104048, 0x00000003, 0x00000000);
199 nv_wr32(priv
, 0x104014, 0xffffffff);
201 return nouveau_copy_fini(&priv
->base
, suspend
);
204 struct nouveau_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
,