summaryrefslogtreecommitdiff
path: root/drivers/gpu/host1x/hw/debug_hw.c
blob: 989476801f9dde5595c86ca1812613f09e337dd4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
/*
 * Copyright (C) 2010 Google, Inc.
 * Author: Erik Gilling <konkers@android.com>
 *
 * Copyright (C) 2011-2013 NVIDIA Corporation
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 */

#include "../dev.h"
#include "../debug.h"
#include "../cdma.h"
#include "../channel.h"

#define HOST1X_DEBUG_MAX_PAGE_OFFSET 102400

enum {
	HOST1X_OPCODE_SETCLASS	= 0x00,
	HOST1X_OPCODE_INCR	= 0x01,
	HOST1X_OPCODE_NONINCR	= 0x02,
	HOST1X_OPCODE_MASK	= 0x03,
	HOST1X_OPCODE_IMM	= 0x04,
	HOST1X_OPCODE_RESTART	= 0x05,
	HOST1X_OPCODE_GATHER	= 0x06,
	HOST1X_OPCODE_SETSTRMID = 0x07,
	HOST1X_OPCODE_SETAPPID  = 0x08,
	HOST1X_OPCODE_SETPYLD   = 0x09,
	HOST1X_OPCODE_INCR_W    = 0x0a,
	HOST1X_OPCODE_NONINCR_W = 0x0b,
	HOST1X_OPCODE_GATHER_W  = 0x0c,
	HOST1X_OPCODE_RESTART_W = 0x0d,
	HOST1X_OPCODE_EXTEND	= 0x0e,
};

enum {
	HOST1X_OPCODE_EXTEND_ACQUIRE_MLOCK	= 0x00,
	HOST1X_OPCODE_EXTEND_RELEASE_MLOCK	= 0x01,
};

#define INVALID_PAYLOAD				0xffffffff

static unsigned int show_channel_command(struct output *o, u32 val,
					 u32 *payload)
{
	unsigned int mask, subop, num, opcode;

	opcode = val >> 28;

	switch (opcode) {
	case HOST1X_OPCODE_SETCLASS:
		mask = val & 0x3f;
		if (mask) {
			host1x_debug_cont(o, "SETCL(class=%03x, offset=%03x, mask=%02x, [",
					    val >> 6 & 0x3ff,
					    val >> 16 & 0xfff, mask);
			return hweight8(mask);
		}

		host1x_debug_cont(o, "SETCL(class=%03x)\n", val >> 6 & 0x3ff);
		return 0;

	case HOST1X_OPCODE_INCR:
		num = val & 0xffff;
		host1x_debug_cont(o, "INCR(offset=%03x, [",
				    val >> 16 & 0xfff);
		if (!num)
			host1x_debug_cont(o, "])\n");

		return num;

	case HOST1X_OPCODE_NONINCR:
		num = val & 0xffff;
		host1x_debug_cont(o, "NONINCR(offset=%03x, [",
				    val >> 16 & 0xfff);
		if (!num)
			host1x_debug_cont(o, "])\n");

		return num;

	case HOST1X_OPCODE_MASK:
		mask = val & 0xffff;
		host1x_debug_cont(o, "MASK(offset=%03x, mask=%03x, [",
				    val >> 16 & 0xfff, mask);
		if (!mask)
			host1x_debug_cont(o, "])\n");

		return hweight16(mask);

	case HOST1X_OPCODE_IMM:
		host1x_debug_cont(o, "IMM(offset=%03x, data=%03x)\n",
				    val >> 16 & 0xfff, val & 0xffff);
		return 0;

	case HOST1X_OPCODE_RESTART:
		host1x_debug_cont(o, "RESTART(offset=%08x)\n", val << 4);
		return 0;

	case HOST1X_OPCODE_GATHER:
		host1x_debug_cont(o, "GATHER(offset=%03x, insert=%d, type=%d, count=%04x, addr=[",
				    val >> 16 & 0xfff, val >> 15 & 0x1,
				    val >> 14 & 0x1, val & 0x3fff);
		return 1;

#if HOST1X_HW >= 6
	case HOST1X_OPCODE_SETSTRMID:
		host1x_debug_cont(o, "SETSTRMID(offset=%06x)\n",
				  val & 0x3fffff);
		return 0;

	case HOST1X_OPCODE_SETAPPID:
		host1x_debug_cont(o, "SETAPPID(appid=%02x)\n", val & 0xff);
		return 0;

	case HOST1X_OPCODE_SETPYLD:
		*payload = val & 0xffff;
		host1x_debug_cont(o, "SETPYLD(data=%04x)\n", *payload);
		return 0;

	case HOST1X_OPCODE_INCR_W:
	case HOST1X_OPCODE_NONINCR_W:
		host1x_debug_cont(o, "%s(offset=%06x, ",
				  opcode == HOST1X_OPCODE_INCR_W ?
					"INCR_W" : "NONINCR_W",
				  val & 0x3fffff);
		if (*payload == 0) {
			host1x_debug_cont(o, "[])\n");
			return 0;
		} else if (*payload == INVALID_PAYLOAD) {
			host1x_debug_cont(o, "unknown)\n");
			return 0;
		} else {
			host1x_debug_cont(o, "[");
			return *payload;
		}

	case HOST1X_OPCODE_GATHER_W:
		host1x_debug_cont(o, "GATHER_W(count=%04x, addr=[",
				  val & 0x3fff);
		return 2;
#endif

	case HOST1X_OPCODE_EXTEND:
		subop = val >> 24 & 0xf;
		if (subop == HOST1X_OPCODE_EXTEND_ACQUIRE_MLOCK)
			host1x_debug_cont(o, "ACQUIRE_MLOCK(index=%d)\n",
					    val & 0xff);
		else if (subop == HOST1X_OPCODE_EXTEND_RELEASE_MLOCK)
			host1x_debug_cont(o, "RELEASE_MLOCK(index=%d)\n",
					    val & 0xff);
		else
			host1x_debug_cont(o, "EXTEND_UNKNOWN(%08x)\n", val);
		return 0;

	default:
		host1x_debug_cont(o, "UNKNOWN\n");
		return 0;
	}
}

static void show_gather(struct output *o, phys_addr_t phys_addr,
			unsigned int words, struct host1x_cdma *cdma,
			phys_addr_t pin_addr, u32 *map_addr)
{
	/* Map dmaget cursor to corresponding mem handle */
	u32 offset = phys_addr - pin_addr;
	unsigned int data_count = 0, i;
	u32 payload = INVALID_PAYLOAD;

	/*
	 * Sometimes we're given different hardware address to the same
	 * page - in these cases the offset will get an invalid number and
	 * we just have to bail out.
	 */
	if (offset > HOST1X_DEBUG_MAX_PAGE_OFFSET) {
		host1x_debug_output(o, "[address mismatch]\n");
		return;
	}

	for (i = 0; i < words; i++) {
		u32 addr = phys_addr + i * 4;
		u32 val = *(map_addr + offset / 4 + i);

		if (!data_count) {
			host1x_debug_output(o, "%08x: %08x: ", addr, val);
			data_count = show_channel_command(o, val, &payload);
		} else {
			host1x_debug_cont(o, "%08x%s", val,
					    data_count > 1 ? ", " : "])\n");
			data_count--;
		}
	}
}

static void show_channel_gathers(struct output *o, struct host1x_cdma *cdma)
{
	struct host1x_job *job;

	list_for_each_entry(job, &cdma->sync_queue, list) {
		unsigned int i;

		host1x_debug_output(o, "\n%p: JOB, syncpt_id=%d, syncpt_val=%d, first_get=%08x, timeout=%d num_slots=%d, num_handles=%d\n",
				    job, job->syncpt_id, job->syncpt_end,
				    job->first_get, job->timeout,
				    job->num_slots, job->num_unpins);

		for (i = 0; i < job->num_gathers; i++) {
			struct host1x_job_gather *g = &job->gathers[i];
			u32 *mapped;

			if (job->gather_copy_mapped)
				mapped = (u32 *)job->gather_copy_mapped;
			else
				mapped = host1x_bo_mmap(g->bo);

			if (!mapped) {
				host1x_debug_output(o, "[could not mmap]\n");
				continue;
			}

			host1x_debug_output(o, "    GATHER at %pad+%#x, %d words\n",
					    &g->base, g->offset, g->words);

			show_gather(o, g->base + g->offset, g->words, cdma,
				    g->base, mapped);

			if (!job->gather_copy_mapped)
				host1x_bo_munmap(g->bo, mapped);
		}
	}
}

#if HOST1X_HW >= 6
#include "debug_hw_1x06.c"
#else
#include "debug_hw_1x01.c"
#endif

static const struct host1x_debug_ops host1x_debug_ops = {
	.show_channel_cdma = host1x_debug_show_channel_cdma,
	.show_channel_fifo = host1x_debug_show_channel_fifo,
	.show_mlocks = host1x_debug_show_mlocks,
};