xref: /netbsd-src/sys/external/bsd/drm2/dist/drm/nouveau/nvkm/subdev/mc/nouveau_nvkm_subdev_mc_nv50.c (revision 41ec02673d281bbb3d38e6c78504ce6e30c228c1)
1 /*	$NetBSD: nouveau_nvkm_subdev_mc_nv50.c,v 1.3 2021/12/18 23:45:40 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 #include <sys/cdefs.h>
27 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_subdev_mc_nv50.c,v 1.3 2021/12/18 23:45:40 riastradh Exp $");
28 
29 #include "priv.h"
30 
31 static const struct nvkm_mc_map
32 nv50_mc_intr[] = {
33 	{ 0x04000000, NVKM_ENGINE_DISP },
34 	{ 0x00001000, NVKM_ENGINE_GR },
35 	{ 0x00000100, NVKM_ENGINE_FIFO },
36 	{ 0x00000001, NVKM_ENGINE_MPEG },
37 	{ 0x00001101, NVKM_SUBDEV_FB },
38 	{ 0x10000000, NVKM_SUBDEV_BUS },
39 	{ 0x00200000, NVKM_SUBDEV_GPIO },
40 	{ 0x00200000, NVKM_SUBDEV_I2C },
41 	{ 0x00100000, NVKM_SUBDEV_TIMER },
42 	{},
43 };
44 
45 void
nv50_mc_init(struct nvkm_mc * mc)46 nv50_mc_init(struct nvkm_mc *mc)
47 {
48 	struct nvkm_device *device = mc->subdev.device;
49 	nvkm_wr32(device, 0x000200, 0xffffffff); /* everything on */
50 }
51 
52 static const struct nvkm_mc_func
53 nv50_mc = {
54 	.init = nv50_mc_init,
55 	.intr = nv50_mc_intr,
56 	.intr_unarm = nv04_mc_intr_unarm,
57 	.intr_rearm = nv04_mc_intr_rearm,
58 	.intr_stat = nv04_mc_intr_stat,
59 	.reset = nv17_mc_reset,
60 };
61 
62 int
nv50_mc_new(struct nvkm_device * device,int index,struct nvkm_mc ** pmc)63 nv50_mc_new(struct nvkm_device *device, int index, struct nvkm_mc **pmc)
64 {
65 	return nvkm_mc_new_(&nv50_mc, device, index, pmc);
66 }
67