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 <core/printk.h>
25#include <core/client.h>
26#include <core/device.h>
27
28int nv_info_debug_level = NV_DBG_INFO_NORMAL;
29
30void
31nv_printk_(struct nvkm_object *object, int level, const char *fmt, ...)
32{
33	static const char name[] = { '!', 'E', 'W', ' ', 'D', 'T', 'P', 'S' };
34	const char *pfx;
35	char mfmt[256];
36	va_list args;
37
38	switch (level) {
39	case NV_DBG_FATAL:
40		pfx = KERN_CRIT;
41		break;
42	case NV_DBG_ERROR:
43		pfx = KERN_ERR;
44		break;
45	case NV_DBG_WARN:
46		pfx = KERN_WARNING;
47		break;
48	case NV_DBG_INFO_NORMAL:
49		pfx = KERN_INFO;
50		break;
51	case NV_DBG_DEBUG:
52	case NV_DBG_PARANOIA:
53	case NV_DBG_TRACE:
54	case NV_DBG_SPAM:
55	default:
56		pfx = KERN_DEBUG;
57		break;
58	}
59
60	if (object && !nv_iclass(object, NV_CLIENT_CLASS)) {
61		struct nvkm_object *device;
62		struct nvkm_object *subdev;
63		char obuf[64], *ofmt = "";
64
65		if (object->engine == NULL) {
66			subdev = object;
67			while (subdev && !nv_iclass(subdev, NV_SUBDEV_CLASS))
68				subdev = subdev->parent;
69		} else {
70			subdev = &object->engine->subdev.object;
71		}
72
73		device = subdev;
74		if (device->parent)
75			device = device->parent;
76
77		if (object != subdev) {
78			snprintf(obuf, sizeof(obuf), "[0x%08x]",
79				 nv_hclass(object));
80			ofmt = obuf;
81		}
82
83		if (level > nv_subdev(subdev)->debug)
84			return;
85
86		snprintf(mfmt, sizeof(mfmt), "%snouveau %c[%8s][%s]%s %s", pfx,
87			 name[level], nv_subdev(subdev)->name,
88			 nv_device(device)->name, ofmt, fmt);
89	} else
90	if (object && nv_iclass(object, NV_CLIENT_CLASS)) {
91		if (level > nv_client(object)->debug)
92			return;
93
94		snprintf(mfmt, sizeof(mfmt), "%snouveau %c[%8s] %s", pfx,
95			 name[level], nv_client(object)->name, fmt);
96	} else {
97		snprintf(mfmt, sizeof(mfmt), "%snouveau: %s", pfx, fmt);
98	}
99
100	va_start(args, fmt);
101	vprintk(mfmt, args);
102	va_end(args);
103}
104