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_intr_data
27 gp100_mc_intrs[] = {
28 	{ NVKM_ENGINE_DISP    , 0, 0, 0x04000000, true },
29 	{ NVKM_ENGINE_FIFO    , 0, 0, 0x00000100 },
30 	{ NVKM_SUBDEV_FAULT   , 0, 0, 0x00000200, true },
31 	{ NVKM_SUBDEV_PRIVRING, 0, 0, 0x40000000, true },
32 	{ NVKM_SUBDEV_BUS     , 0, 0, 0x10000000, true },
33 	{ NVKM_SUBDEV_FB      , 0, 0, 0x08002000, true },
34 	{ NVKM_SUBDEV_LTC     , 0, 0, 0x02000000, true },
35 	{ NVKM_SUBDEV_PMU     , 0, 0, 0x01000000, true },
36 	{ NVKM_SUBDEV_GPIO    , 0, 0, 0x00200000, true },
37 	{ NVKM_SUBDEV_I2C     , 0, 0, 0x00200000, true },
38 	{ NVKM_SUBDEV_TIMER   , 0, 0, 0x00100000, true },
39 	{ NVKM_SUBDEV_THERM   , 0, 0, 0x00040000, true },
40 	{ NVKM_SUBDEV_TOP     , 0, 0, 0x00009000 },
41 	{ NVKM_SUBDEV_TOP     , 0, 0, 0xffff6fff, true },
42 	{},
43 };
44 
45 static void
gp100_mc_intr_allow(struct nvkm_intr * intr,int leaf,u32 mask)46 gp100_mc_intr_allow(struct nvkm_intr *intr, int leaf, u32 mask)
47 {
48 	struct nvkm_mc *mc = container_of(intr, typeof(*mc), intr);
49 
50 	nvkm_wr32(mc->subdev.device, 0x000160 + (leaf * 4), mask);
51 }
52 
53 static void
gp100_mc_intr_block(struct nvkm_intr * intr,int leaf,u32 mask)54 gp100_mc_intr_block(struct nvkm_intr *intr, int leaf, u32 mask)
55 {
56 	struct nvkm_mc *mc = container_of(intr, typeof(*mc), intr);
57 
58 	nvkm_wr32(mc->subdev.device, 0x000180 + (leaf * 4), mask);
59 }
60 
61 static void
gp100_mc_intr_rearm(struct nvkm_intr * intr)62 gp100_mc_intr_rearm(struct nvkm_intr *intr)
63 {
64 	int i;
65 
66 	for (i = 0; i < intr->leaves; i++)
67 		intr->func->allow(intr, i, intr->mask[i]);
68 }
69 
70 static void
gp100_mc_intr_unarm(struct nvkm_intr * intr)71 gp100_mc_intr_unarm(struct nvkm_intr *intr)
72 {
73 	int i;
74 
75 	for (i = 0; i < intr->leaves; i++)
76 		intr->func->block(intr, i, 0xffffffff);
77 }
78 
79 const struct nvkm_intr_func
80 gp100_mc_intr = {
81 	.pending = nv04_mc_intr_pending,
82 	.unarm = gp100_mc_intr_unarm,
83 	.rearm = gp100_mc_intr_rearm,
84 	.block = gp100_mc_intr_block,
85 	.allow = gp100_mc_intr_allow,
86 };
87 
88 static const struct nvkm_mc_func
89 gp100_mc = {
90 	.init = nv50_mc_init,
91 	.intr = &gp100_mc_intr,
92 	.intrs = gp100_mc_intrs,
93 	.intr_nonstall = true,
94 	.device = &nv04_mc_device,
95 	.reset = gk104_mc_reset,
96 };
97 
98 int
gp100_mc_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_mc ** pmc)99 gp100_mc_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst, struct nvkm_mc **pmc)
100 {
101 	return nvkm_mc_new_(&gp100_mc, device, type, inst, pmc);
102 }
103