xref: /netbsd-src/sys/external/bsd/drm2/dist/drm/nouveau/nvkm/engine/ce/nouveau_nvkm_engine_ce_gf100.c (revision 41ec02673d281bbb3d38e6c78504ce6e30c228c1)
1 /*	$NetBSD: nouveau_nvkm_engine_ce_gf100.c,v 1.3 2021/12/18 23:45:34 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_engine_ce_gf100.c,v 1.3 2021/12/18 23:45:34 riastradh Exp $");
28 
29 #include "priv.h"
30 #include "fuc/gf100.fuc3.h"
31 
32 #include <nvif/class.h>
33 
34 static void
gf100_ce_init(struct nvkm_falcon * ce)35 gf100_ce_init(struct nvkm_falcon *ce)
36 {
37 	struct nvkm_device *device = ce->engine.subdev.device;
38 	const int index = ce->engine.subdev.index - NVKM_ENGINE_CE0;
39 	nvkm_wr32(device, ce->addr + 0x084, index);
40 }
41 
42 static const struct nvkm_falcon_func
43 gf100_ce0 = {
44 	.code.data = gf100_ce_code,
45 	.code.size = sizeof(gf100_ce_code),
46 	.data.data = gf100_ce_data,
47 	.data.size = sizeof(gf100_ce_data),
48 	.init = gf100_ce_init,
49 	.intr = gt215_ce_intr,
50 	.sclass = {
51 		{ -1, -1, FERMI_DMA },
52 		{}
53 	}
54 };
55 
56 static const struct nvkm_falcon_func
57 gf100_ce1 = {
58 	.code.data = gf100_ce_code,
59 	.code.size = sizeof(gf100_ce_code),
60 	.data.data = gf100_ce_data,
61 	.data.size = sizeof(gf100_ce_data),
62 	.init = gf100_ce_init,
63 	.intr = gt215_ce_intr,
64 	.sclass = {
65 		{ -1, -1, FERMI_DECOMPRESS },
66 		{}
67 	}
68 };
69 
70 int
gf100_ce_new(struct nvkm_device * device,int index,struct nvkm_engine ** pengine)71 gf100_ce_new(struct nvkm_device *device, int index,
72 	     struct nvkm_engine **pengine)
73 {
74 	if (index == NVKM_ENGINE_CE0) {
75 		return nvkm_falcon_new_(&gf100_ce0, device, index, true,
76 					0x104000, pengine);
77 	} else
78 	if (index == NVKM_ENGINE_CE1) {
79 		return nvkm_falcon_new_(&gf100_ce1, device, index, true,
80 					0x105000, pengine);
81 	}
82 	return -ENODEV;
83 }
84