xref: /netbsd-src/sys/external/bsd/drm2/dist/drm/nouveau/nvkm/engine/disp/nouveau_nvkm_engine_disp_gp102.c (revision 41ec02673d281bbb3d38e6c78504ce6e30c228c1)
1 /*	$NetBSD: nouveau_nvkm_engine_disp_gp102.c,v 1.2 2021/12/18 23:45:35 riastradh Exp $	*/
2 
3 /*
4  * Copyright 2016 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 <bskeggs@redhat.com>
25  */
26 #include <sys/cdefs.h>
27 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_engine_disp_gp102.c,v 1.2 2021/12/18 23:45:35 riastradh Exp $");
28 
29 #include "nv50.h"
30 #include "head.h"
31 #include "ior.h"
32 #include "channv50.h"
33 #include "rootnv50.h"
34 
35 static void
gp102_disp_intr_error(struct nv50_disp * disp,int chid)36 gp102_disp_intr_error(struct nv50_disp *disp, int chid)
37 {
38 	struct nvkm_subdev *subdev = &disp->base.engine.subdev;
39 	struct nvkm_device *device = subdev->device;
40 	u32 mthd = nvkm_rd32(device, 0x6111f0 + (chid * 12));
41 	u32 data = nvkm_rd32(device, 0x6111f4 + (chid * 12));
42 	u32 unkn = nvkm_rd32(device, 0x6111f8 + (chid * 12));
43 
44 	nvkm_error(subdev, "chid %d mthd %04x data %08x %08x %08x\n",
45 		   chid, (mthd & 0x0000ffc), data, mthd, unkn);
46 
47 	if (chid < ARRAY_SIZE(disp->chan)) {
48 		switch (mthd & 0xffc) {
49 		case 0x0080:
50 			nv50_disp_chan_mthd(disp->chan[chid], NV_DBG_ERROR);
51 			break;
52 		default:
53 			break;
54 		}
55 	}
56 
57 	nvkm_wr32(device, 0x61009c, (1 << chid));
58 	nvkm_wr32(device, 0x6111f0 + (chid * 12), 0x90000000);
59 }
60 
61 static const struct nv50_disp_func
62 gp102_disp = {
63 	.init = gf119_disp_init,
64 	.fini = gf119_disp_fini,
65 	.intr = gf119_disp_intr,
66 	.intr_error = gp102_disp_intr_error,
67 	.uevent = &gf119_disp_chan_uevent,
68 	.super = gf119_disp_super,
69 	.root = &gp102_disp_root_oclass,
70 	.head = { .cnt = gf119_head_cnt, .new = gf119_head_new },
71 	.sor = { .cnt = gf119_sor_cnt, .new = gm200_sor_new },
72 };
73 
74 int
gp102_disp_new(struct nvkm_device * device,int index,struct nvkm_disp ** pdisp)75 gp102_disp_new(struct nvkm_device *device, int index, struct nvkm_disp **pdisp)
76 {
77 	return nv50_disp_new_(&gp102_disp, device, index, pdisp);
78 }
79