1 /* $NetBSD: nouveau_nvkm_engine_ce_gt215.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_gt215.c,v 1.3 2021/12/18 23:45:34 riastradh Exp $");
28
29 #include "priv.h"
30 #include "fuc/gt215.fuc3.h"
31
32 #include <core/client.h>
33 #include <core/enum.h>
34 #include <core/gpuobj.h>
35 #include <engine/fifo.h>
36
37 #include <nvif/class.h>
38
39 static const struct nvkm_enum
40 gt215_ce_isr_error_name[] = {
41 { 0x0001, "ILLEGAL_MTHD" },
42 { 0x0002, "INVALID_ENUM" },
43 { 0x0003, "INVALID_BITFIELD" },
44 {}
45 };
46
47 void
gt215_ce_intr(struct nvkm_falcon * ce,struct nvkm_fifo_chan * chan)48 gt215_ce_intr(struct nvkm_falcon *ce, struct nvkm_fifo_chan *chan)
49 {
50 struct nvkm_subdev *subdev = &ce->engine.subdev;
51 struct nvkm_device *device = subdev->device;
52 const u32 base = (subdev->index - NVKM_ENGINE_CE0) * 0x1000;
53 u32 ssta = nvkm_rd32(device, 0x104040 + base) & 0x0000ffff;
54 u32 addr = nvkm_rd32(device, 0x104040 + base) >> 16;
55 u32 mthd = (addr & 0x07ff) << 2;
56 u32 subc = (addr & 0x3800) >> 11;
57 u32 data = nvkm_rd32(device, 0x104044 + base);
58 const struct nvkm_enum *en =
59 nvkm_enum_find(gt215_ce_isr_error_name, ssta);
60
61 nvkm_error(subdev, "DISPATCH_ERROR %04x [%s] ch %d [%010"PRIx64" %s] "
62 "subc %d mthd %04x data %08x\n", ssta,
63 en ? en->name : "", chan ? chan->chid : -1,
64 chan ? chan->inst->addr : 0,
65 chan ? chan->object.client->name : "unknown",
66 subc, mthd, data);
67 }
68
69 static const struct nvkm_falcon_func
70 gt215_ce = {
71 .code.data = gt215_ce_code,
72 .code.size = sizeof(gt215_ce_code),
73 .data.data = gt215_ce_data,
74 .data.size = sizeof(gt215_ce_data),
75 .intr = gt215_ce_intr,
76 .sclass = {
77 { -1, -1, GT212_DMA },
78 {}
79 }
80 };
81
82 int
gt215_ce_new(struct nvkm_device * device,int index,struct nvkm_engine ** pengine)83 gt215_ce_new(struct nvkm_device *device, int index,
84 struct nvkm_engine **pengine)
85 {
86 return nvkm_falcon_new_(>215_ce, device, index,
87 (device->chipset != 0xaf), 0x104000, pengine);
88 }
89