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 #include "priv.h"
25
26 const struct nvkm_mc_intr
27 nv04_mc_intr[] = {
28 { 0x00000001, NVKM_ENGINE_MPEG }, /* NV17- MPEG/ME */
29 { 0x00000100, NVKM_ENGINE_FIFO },
30 { 0x00001000, NVKM_ENGINE_GR },
31 { 0x00010000, NVKM_ENGINE_DISP },
32 { 0x00020000, NVKM_ENGINE_VP }, /* NV40- */
33 { 0x00100000, NVKM_SUBDEV_TIMER },
34 { 0x01000000, NVKM_ENGINE_DISP }, /* NV04- PCRTC0 */
35 { 0x02000000, NVKM_ENGINE_DISP }, /* NV11- PCRTC1 */
36 { 0x10000000, NVKM_SUBDEV_BUS },
37 { 0x80000000, NVKM_ENGINE_SW },
38 {}
39 };
40
41 void
nv04_mc_intr_unarm(struct nvkm_mc * mc)42 nv04_mc_intr_unarm(struct nvkm_mc *mc)
43 {
44 struct nvkm_device *device = mc->subdev.device;
45 nvkm_wr32(device, 0x000140, 0x00000000);
46 nvkm_rd32(device, 0x000140);
47 }
48
49 void
nv04_mc_intr_rearm(struct nvkm_mc * mc)50 nv04_mc_intr_rearm(struct nvkm_mc *mc)
51 {
52 struct nvkm_device *device = mc->subdev.device;
53 nvkm_wr32(device, 0x000140, 0x00000001);
54 }
55
56 u32
nv04_mc_intr_mask(struct nvkm_mc * mc)57 nv04_mc_intr_mask(struct nvkm_mc *mc)
58 {
59 return nvkm_rd32(mc->subdev.device, 0x000100);
60 }
61
62 void
nv04_mc_init(struct nvkm_mc * mc)63 nv04_mc_init(struct nvkm_mc *mc)
64 {
65 struct nvkm_device *device = mc->subdev.device;
66 nvkm_wr32(device, 0x000200, 0xffffffff); /* everything enabled */
67 nvkm_wr32(device, 0x001850, 0x00000001); /* disable rom access */
68 }
69
70 static const struct nvkm_mc_func
71 nv04_mc = {
72 .init = nv04_mc_init,
73 .intr = nv04_mc_intr,
74 .intr_unarm = nv04_mc_intr_unarm,
75 .intr_rearm = nv04_mc_intr_rearm,
76 .intr_mask = nv04_mc_intr_mask,
77 };
78
79 int
nv04_mc_new(struct nvkm_device * device,int index,struct nvkm_mc ** pmc)80 nv04_mc_new(struct nvkm_device *device, int index, struct nvkm_mc **pmc)
81 {
82 return nvkm_mc_new_(&nv04_mc, device, index, pmc);
83 }
84