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
46static int
47nvc0_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
62static int
63nvc0_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
88static struct nouveau_omthds
89nvc0_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
101static struct nouveau_oclass
102nvc0_software_sclass[] = {
103 { 0x906e, &nouveau_object_ofuncs, nvc0_software_omthds },
104 {}
105};
106
107/*******************************************************************************
108 * software context
109 ******************************************************************************/
110
111static int
112nvc0_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
127static struct nv50_software_cclass
128nvc0_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
143struct nouveau_oclass *
144nvc0_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