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#include "fuc/gt215.fuc3.h"
26
27#include <core/client.h>
28#include <core/enum.h>
29#include <core/gpuobj.h>
30#include <engine/fifo.h>
31
32#include <nvif/class.h>
33
34static const struct nvkm_enum
35gt215_ce_isr_error_name[] = {
36	{ 0x0001, "ILLEGAL_MTHD" },
37	{ 0x0002, "INVALID_ENUM" },
38	{ 0x0003, "INVALID_BITFIELD" },
39	{}
40};
41
42void
43gt215_ce_intr(struct nvkm_falcon *ce, struct nvkm_chan *chan)
44{
45	struct nvkm_subdev *subdev = &ce->engine.subdev;
46	struct nvkm_device *device = subdev->device;
47	const u32 base = subdev->inst * 0x1000;
48	u32 ssta = nvkm_rd32(device, 0x104040 + base) & 0x0000ffff;
49	u32 addr = nvkm_rd32(device, 0x104040 + base) >> 16;
50	u32 mthd = (addr & 0x07ff) << 2;
51	u32 subc = (addr & 0x3800) >> 11;
52	u32 data = nvkm_rd32(device, 0x104044 + base);
53	const struct nvkm_enum *en =
54		nvkm_enum_find(gt215_ce_isr_error_name, ssta);
55
56	nvkm_error(subdev, "DISPATCH_ERROR %04x [%s] ch %d [%010llx %s] "
57			   "subc %d mthd %04x data %08x\n", ssta,
58		   en ? en->name : "", chan ? chan->id : -1,
59		   chan ? chan->inst->addr : 0,
60		   chan ? chan->name : "unknown",
61		   subc, mthd, data);
62}
63
64static const struct nvkm_falcon_func
65gt215_ce = {
66	.code.data = gt215_ce_code,
67	.code.size = sizeof(gt215_ce_code),
68	.data.data = gt215_ce_data,
69	.data.size = sizeof(gt215_ce_data),
70	.intr = gt215_ce_intr,
71	.sclass = {
72		{ -1, -1, GT212_DMA },
73		{}
74	}
75};
76
77int
78gt215_ce_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
79	     struct nvkm_engine **pengine)
80{
81	return nvkm_falcon_new_(&gt215_ce, device, type, -1,
82				(device->chipset != 0xaf), 0x104000, pengine);
83}
84