1 | /* $NetBSD: nouveau_engine_software_nvc0.c,v 1.1.1.1 2014/08/06 12:36:27 riastradh Exp $ */ |
2 | |
3 | /* |
4 | * Copyright 2012 Red Hat Inc. |
5 | * |
6 | * Permission is hereby granted, free of charge, to any person obtaining a |
7 | * copy of this software and associated documentation files (the "Software"), |
8 | * to deal in the Software without restriction, including without limitation |
9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
10 | * and/or sell copies of the Software, and to permit persons to whom the |
11 | * Software is furnished to do so, subject to the following conditions: |
12 | * |
13 | * The above copyright notice and this permission notice shall be included in |
14 | * all copies or substantial portions of the Software. |
15 | * |
16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
22 | * OTHER DEALINGS IN THE SOFTWARE. |
23 | * |
24 | * Authors: Ben Skeggs |
25 | */ |
26 | |
27 | #include <sys/cdefs.h> |
28 | __KERNEL_RCSID(0, "$NetBSD: nouveau_engine_software_nvc0.c,v 1.1.1.1 2014/08/06 12:36:27 riastradh Exp $" ); |
29 | |
30 | #include <core/os.h> |
31 | #include <core/class.h> |
32 | #include <core/engctx.h> |
33 | #include <core/event.h> |
34 | |
35 | #include <subdev/bar.h> |
36 | |
37 | #include <engine/software.h> |
38 | #include <engine/disp.h> |
39 | |
40 | #include "nv50.h" |
41 | |
42 | /******************************************************************************* |
43 | * software object classes |
44 | ******************************************************************************/ |
45 | |
46 | static int |
47 | nvc0_software_mthd_vblsem_offset(struct nouveau_object *object, u32 mthd, |
48 | void *args, u32 size) |
49 | { |
50 | struct nv50_software_chan *chan = (void *)nv_engctx(object->parent); |
51 | u64 data = *(u32 *)args; |
52 | if (mthd == 0x0400) { |
53 | chan->vblank.offset &= 0x00ffffffffULL; |
54 | chan->vblank.offset |= data << 32; |
55 | } else { |
56 | chan->vblank.offset &= 0xff00000000ULL; |
57 | chan->vblank.offset |= data; |
58 | } |
59 | return 0; |
60 | } |
61 | |
62 | static int |
63 | nvc0_software_mthd_mp_control(struct nouveau_object *object, u32 mthd, |
64 | void *args, u32 size) |
65 | { |
66 | struct nv50_software_chan *chan = (void *)nv_engctx(object->parent); |
67 | struct nv50_software_priv *priv = (void *)nv_object(chan)->engine; |
68 | u32 data = *(u32 *)args; |
69 | |
70 | switch (mthd) { |
71 | case 0x600: |
72 | nv_wr32(priv, 0x419e00, data); /* MP.PM_UNK000 */ |
73 | break; |
74 | case 0x644: |
75 | if (data & ~0x1ffffe) |
76 | return -EINVAL; |
77 | nv_wr32(priv, 0x419e44, data); /* MP.TRAP_WARP_ERROR_EN */ |
78 | break; |
79 | case 0x6ac: |
80 | nv_wr32(priv, 0x419eac, data); /* MP.PM_UNK0AC */ |
81 | break; |
82 | default: |
83 | return -EINVAL; |
84 | } |
85 | return 0; |
86 | } |
87 | |
88 | static struct nouveau_omthds |
89 | nvc0_software_omthds[] = { |
90 | { 0x0400, 0x0400, nvc0_software_mthd_vblsem_offset }, |
91 | { 0x0404, 0x0404, nvc0_software_mthd_vblsem_offset }, |
92 | { 0x0408, 0x0408, nv50_software_mthd_vblsem_value }, |
93 | { 0x040c, 0x040c, nv50_software_mthd_vblsem_release }, |
94 | { 0x0500, 0x0500, nv50_software_mthd_flip }, |
95 | { 0x0600, 0x0600, nvc0_software_mthd_mp_control }, |
96 | { 0x0644, 0x0644, nvc0_software_mthd_mp_control }, |
97 | { 0x06ac, 0x06ac, nvc0_software_mthd_mp_control }, |
98 | {} |
99 | }; |
100 | |
101 | static struct nouveau_oclass |
102 | nvc0_software_sclass[] = { |
103 | { 0x906e, &nouveau_object_ofuncs, nvc0_software_omthds }, |
104 | {} |
105 | }; |
106 | |
107 | /******************************************************************************* |
108 | * software context |
109 | ******************************************************************************/ |
110 | |
111 | static int |
112 | nvc0_software_vblsem_release(void *data, int head) |
113 | { |
114 | struct nv50_software_chan *chan = data; |
115 | struct nv50_software_priv *priv = (void *)nv_object(chan)->engine; |
116 | struct nouveau_bar *bar = nouveau_bar(priv); |
117 | |
118 | nv_wr32(priv, 0x001718, 0x80000000 | chan->vblank.channel); |
119 | bar->flush(bar); |
120 | nv_wr32(priv, 0x06000c, upper_32_bits(chan->vblank.offset)); |
121 | nv_wr32(priv, 0x060010, lower_32_bits(chan->vblank.offset)); |
122 | nv_wr32(priv, 0x060014, chan->vblank.value); |
123 | |
124 | return NVKM_EVENT_DROP; |
125 | } |
126 | |
127 | static struct nv50_software_cclass |
128 | nvc0_software_cclass = { |
129 | .base.handle = NV_ENGCTX(SW, 0xc0), |
130 | .base.ofuncs = &(struct nouveau_ofuncs) { |
131 | .ctor = nv50_software_context_ctor, |
132 | .dtor = _nouveau_software_context_dtor, |
133 | .init = _nouveau_software_context_init, |
134 | .fini = _nouveau_software_context_fini, |
135 | }, |
136 | .vblank = nvc0_software_vblsem_release, |
137 | }; |
138 | |
139 | /******************************************************************************* |
140 | * software engine/subdev functions |
141 | ******************************************************************************/ |
142 | |
143 | struct nouveau_oclass * |
144 | nvc0_software_oclass = &(struct nv50_software_oclass) { |
145 | .base.handle = NV_ENGINE(SW, 0xc0), |
146 | .base.ofuncs = &(struct nouveau_ofuncs) { |
147 | .ctor = nv50_software_ctor, |
148 | .dtor = _nouveau_software_dtor, |
149 | .init = _nouveau_software_init, |
150 | .fini = _nouveau_software_fini, |
151 | }, |
152 | .cclass = &nvc0_software_cclass.base, |
153 | .sclass = nvc0_software_sclass, |
154 | }.base; |
155 | |