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
25 #include <core/os.h>
26 #include <core/engctx.h>
27 #include <core/event.h>
28
29 #include <subdev/bar.h>
30
31 #include <engine/software.h>
32 #include <engine/disp.h>
33
34 #include "nv50.h"
35
36 /*******************************************************************************
37 * software object classes
38 ******************************************************************************/
39
40 static int
nvc0_software_mthd_vblsem_offset(struct nouveau_object * object,u32 mthd,void * args,u32 size)41 nvc0_software_mthd_vblsem_offset(struct nouveau_object *object, u32 mthd,
42 void *args, u32 size)
43 {
44 struct nv50_software_chan *chan = (void *)nv_engctx(object->parent);
45 u64 data = *(u32 *)args;
46 if (mthd == 0x0400) {
47 chan->vblank.offset &= 0x00ffffffffULL;
48 chan->vblank.offset |= data << 32;
49 } else {
50 chan->vblank.offset &= 0xff00000000ULL;
51 chan->vblank.offset |= data;
52 }
53 return 0;
54 }
55
56 static int
nvc0_software_mthd_mp_control(struct nouveau_object * object,u32 mthd,void * args,u32 size)57 nvc0_software_mthd_mp_control(struct nouveau_object *object, u32 mthd,
58 void *args, u32 size)
59 {
60 struct nv50_software_chan *chan = (void *)nv_engctx(object->parent);
61 struct nv50_software_priv *priv = (void *)nv_object(chan)->engine;
62 u32 data = *(u32 *)args;
63
64 switch (mthd) {
65 case 0x600:
66 nv_wr32(priv, 0x419e00, data); /* MP.PM_UNK000 */
67 break;
68 case 0x644:
69 if (data & ~0x1ffffe)
70 return -EINVAL;
71 nv_wr32(priv, 0x419e44, data); /* MP.TRAP_WARP_ERROR_EN */
72 break;
73 case 0x6ac:
74 nv_wr32(priv, 0x419eac, data); /* MP.PM_UNK0AC */
75 break;
76 default:
77 return -EINVAL;
78 }
79 return 0;
80 }
81
82 static struct nouveau_omthds
83 nvc0_software_omthds[] = {
84 { 0x0400, 0x0400, nvc0_software_mthd_vblsem_offset },
85 { 0x0404, 0x0404, nvc0_software_mthd_vblsem_offset },
86 { 0x0408, 0x0408, nv50_software_mthd_vblsem_value },
87 { 0x040c, 0x040c, nv50_software_mthd_vblsem_release },
88 { 0x0500, 0x0500, nv50_software_mthd_flip },
89 { 0x0600, 0x0600, nvc0_software_mthd_mp_control },
90 { 0x0644, 0x0644, nvc0_software_mthd_mp_control },
91 { 0x06ac, 0x06ac, nvc0_software_mthd_mp_control },
92 {}
93 };
94
95 static struct nouveau_oclass
96 nvc0_software_sclass[] = {
97 { 0x906e, &nouveau_object_ofuncs, nvc0_software_omthds },
98 {}
99 };
100
101 /*******************************************************************************
102 * software context
103 ******************************************************************************/
104
105 static int
nvc0_software_vblsem_release(struct nvkm_notify * notify)106 nvc0_software_vblsem_release(struct nvkm_notify *notify)
107 {
108 struct nv50_software_chan *chan =
109 container_of(notify, typeof(*chan), vblank.notify[notify->index]);
110 struct nv50_software_priv *priv = (void *)nv_object(chan)->engine;
111 struct nouveau_bar *bar = nouveau_bar(priv);
112
113 nv_wr32(priv, 0x001718, 0x80000000 | chan->vblank.channel);
114 bar->flush(bar);
115 nv_wr32(priv, 0x06000c, upper_32_bits(chan->vblank.offset));
116 nv_wr32(priv, 0x060010, lower_32_bits(chan->vblank.offset));
117 nv_wr32(priv, 0x060014, chan->vblank.value);
118
119 return NVKM_NOTIFY_DROP;
120 }
121
122 static struct nv50_software_cclass
123 nvc0_software_cclass = {
124 .base.handle = NV_ENGCTX(SW, 0xc0),
125 .base.ofuncs = &(struct nouveau_ofuncs) {
126 .ctor = nv50_software_context_ctor,
127 .dtor = nv50_software_context_dtor,
128 .init = _nouveau_software_context_init,
129 .fini = _nouveau_software_context_fini,
130 },
131 .vblank = nvc0_software_vblsem_release,
132 };
133
134 /*******************************************************************************
135 * software engine/subdev functions
136 ******************************************************************************/
137
138 struct nouveau_oclass *
139 nvc0_software_oclass = &(struct nv50_software_oclass) {
140 .base.handle = NV_ENGINE(SW, 0xc0),
141 .base.ofuncs = &(struct nouveau_ofuncs) {
142 .ctor = nv50_software_ctor,
143 .dtor = _nouveau_software_dtor,
144 .init = _nouveau_software_init,
145 .fini = _nouveau_software_fini,
146 },
147 .cclass = &nvc0_software_cclass.base,
148 .sclass = nvc0_software_sclass,
149 }.base;
150