1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (C) 2010 Google, Inc.
4 * Author: Erik Gilling <konkers@android.com>
5 *
6 * Copyright (C) 2011-2013 NVIDIA Corporation
7 */
8
9 #include "../dev.h"
10 #include "../debug.h"
11 #include "../cdma.h"
12 #include "../channel.h"
13
14 #define HOST1X_DEBUG_MAX_PAGE_OFFSET 102400
15
16 enum {
17 HOST1X_OPCODE_SETCLASS = 0x00,
18 HOST1X_OPCODE_INCR = 0x01,
19 HOST1X_OPCODE_NONINCR = 0x02,
20 HOST1X_OPCODE_MASK = 0x03,
21 HOST1X_OPCODE_IMM = 0x04,
22 HOST1X_OPCODE_RESTART = 0x05,
23 HOST1X_OPCODE_GATHER = 0x06,
24 HOST1X_OPCODE_SETSTRMID = 0x07,
25 HOST1X_OPCODE_SETAPPID = 0x08,
26 HOST1X_OPCODE_SETPYLD = 0x09,
27 HOST1X_OPCODE_INCR_W = 0x0a,
28 HOST1X_OPCODE_NONINCR_W = 0x0b,
29 HOST1X_OPCODE_GATHER_W = 0x0c,
30 HOST1X_OPCODE_RESTART_W = 0x0d,
31 HOST1X_OPCODE_EXTEND = 0x0e,
32 };
33
34 enum {
35 HOST1X_OPCODE_EXTEND_ACQUIRE_MLOCK = 0x00,
36 HOST1X_OPCODE_EXTEND_RELEASE_MLOCK = 0x01,
37 };
38
39 #define INVALID_PAYLOAD 0xffffffff
40
show_channel_command(struct output * o,u32 val,u32 * payload)41 static unsigned int show_channel_command(struct output *o, u32 val,
42 u32 *payload)
43 {
44 unsigned int mask, subop, num, opcode;
45
46 opcode = val >> 28;
47
48 switch (opcode) {
49 case HOST1X_OPCODE_SETCLASS:
50 mask = val & 0x3f;
51 if (mask) {
52 host1x_debug_cont(o, "SETCL(class=%03x, offset=%03x, mask=%02x, [",
53 val >> 6 & 0x3ff,
54 val >> 16 & 0xfff, mask);
55 return hweight8(mask);
56 }
57
58 host1x_debug_cont(o, "SETCL(class=%03x)\n", val >> 6 & 0x3ff);
59 return 0;
60
61 case HOST1X_OPCODE_INCR:
62 num = val & 0xffff;
63 host1x_debug_cont(o, "INCR(offset=%03x, [",
64 val >> 16 & 0xfff);
65 if (!num)
66 host1x_debug_cont(o, "])\n");
67
68 return num;
69
70 case HOST1X_OPCODE_NONINCR:
71 num = val & 0xffff;
72 host1x_debug_cont(o, "NONINCR(offset=%03x, [",
73 val >> 16 & 0xfff);
74 if (!num)
75 host1x_debug_cont(o, "])\n");
76
77 return num;
78
79 case HOST1X_OPCODE_MASK:
80 mask = val & 0xffff;
81 host1x_debug_cont(o, "MASK(offset=%03x, mask=%03x, [",
82 val >> 16 & 0xfff, mask);
83 if (!mask)
84 host1x_debug_cont(o, "])\n");
85
86 return hweight16(mask);
87
88 case HOST1X_OPCODE_IMM:
89 host1x_debug_cont(o, "IMM(offset=%03x, data=%03x)\n",
90 val >> 16 & 0xfff, val & 0xffff);
91 return 0;
92
93 case HOST1X_OPCODE_RESTART:
94 host1x_debug_cont(o, "RESTART(offset=%08x)\n", val << 4);
95 return 0;
96
97 case HOST1X_OPCODE_GATHER:
98 host1x_debug_cont(o, "GATHER(offset=%03x, insert=%d, type=%d, count=%04x, addr=[",
99 val >> 16 & 0xfff, val >> 15 & 0x1,
100 val >> 14 & 0x1, val & 0x3fff);
101 return 1;
102
103 #if HOST1X_HW >= 6
104 case HOST1X_OPCODE_SETSTRMID:
105 host1x_debug_cont(o, "SETSTRMID(offset=%06x)\n",
106 val & 0x3fffff);
107 return 0;
108
109 case HOST1X_OPCODE_SETAPPID:
110 host1x_debug_cont(o, "SETAPPID(appid=%02x)\n", val & 0xff);
111 return 0;
112
113 case HOST1X_OPCODE_SETPYLD:
114 *payload = val & 0xffff;
115 host1x_debug_cont(o, "SETPYLD(data=%04x)\n", *payload);
116 return 0;
117
118 case HOST1X_OPCODE_INCR_W:
119 case HOST1X_OPCODE_NONINCR_W:
120 host1x_debug_cont(o, "%s(offset=%06x, ",
121 opcode == HOST1X_OPCODE_INCR_W ?
122 "INCR_W" : "NONINCR_W",
123 val & 0x3fffff);
124 if (*payload == 0) {
125 host1x_debug_cont(o, "[])\n");
126 return 0;
127 } else if (*payload == INVALID_PAYLOAD) {
128 host1x_debug_cont(o, "unknown)\n");
129 return 0;
130 } else {
131 host1x_debug_cont(o, "[");
132 return *payload;
133 }
134
135 case HOST1X_OPCODE_GATHER_W:
136 host1x_debug_cont(o, "GATHER_W(count=%04x, addr=[",
137 val & 0x3fff);
138 return 2;
139 #endif
140
141 case HOST1X_OPCODE_EXTEND:
142 subop = val >> 24 & 0xf;
143 if (subop == HOST1X_OPCODE_EXTEND_ACQUIRE_MLOCK)
144 host1x_debug_cont(o, "ACQUIRE_MLOCK(index=%d)\n",
145 val & 0xff);
146 else if (subop == HOST1X_OPCODE_EXTEND_RELEASE_MLOCK)
147 host1x_debug_cont(o, "RELEASE_MLOCK(index=%d)\n",
148 val & 0xff);
149 else
150 host1x_debug_cont(o, "EXTEND_UNKNOWN(%08x)\n", val);
151 return 0;
152
153 default:
154 host1x_debug_cont(o, "UNKNOWN\n");
155 return 0;
156 }
157 }
158
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)159 static void show_gather(struct output *o, phys_addr_t phys_addr,
160 unsigned int words, struct host1x_cdma *cdma,
161 phys_addr_t pin_addr, u32 *map_addr)
162 {
163 /* Map dmaget cursor to corresponding mem handle */
164 u32 offset = phys_addr - pin_addr;
165 unsigned int data_count = 0, i;
166 u32 payload = INVALID_PAYLOAD;
167
168 /*
169 * Sometimes we're given different hardware address to the same
170 * page - in these cases the offset will get an invalid number and
171 * we just have to bail out.
172 */
173 if (offset > HOST1X_DEBUG_MAX_PAGE_OFFSET) {
174 host1x_debug_output(o, "[address mismatch]\n");
175 return;
176 }
177
178 for (i = 0; i < words; i++) {
179 u32 addr = phys_addr + i * 4;
180 u32 val = *(map_addr + offset / 4 + i);
181
182 if (!data_count) {
183 host1x_debug_output(o, "%08x: %08x: ", addr, val);
184 data_count = show_channel_command(o, val, &payload);
185 } else {
186 host1x_debug_cont(o, "%08x%s", val,
187 data_count > 1 ? ", " : "])\n");
188 data_count--;
189 }
190 }
191 }
192
show_channel_gathers(struct output * o,struct host1x_cdma * cdma)193 static void show_channel_gathers(struct output *o, struct host1x_cdma *cdma)
194 {
195 struct push_buffer *pb = &cdma->push_buffer;
196 struct host1x_job *job;
197
198 host1x_debug_output(o, "PUSHBUF at %pad, %u words\n",
199 &pb->dma, pb->size / 4);
200
201 show_gather(o, pb->dma, pb->size / 4, cdma, pb->dma, pb->mapped);
202
203 list_for_each_entry(job, &cdma->sync_queue, list) {
204 unsigned int i;
205
206 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",
207 job, job->syncpt_id, job->syncpt_end,
208 job->first_get, job->timeout,
209 job->num_slots, job->num_unpins);
210
211 for (i = 0; i < job->num_gathers; i++) {
212 struct host1x_job_gather *g = &job->gathers[i];
213 u32 *mapped;
214
215 if (job->gather_copy_mapped)
216 mapped = (u32 *)job->gather_copy_mapped;
217 else
218 mapped = host1x_bo_mmap(g->bo);
219
220 if (!mapped) {
221 host1x_debug_output(o, "[could not mmap]\n");
222 continue;
223 }
224
225 host1x_debug_output(o, " GATHER at %pad+%#x, %d words\n",
226 &g->base, g->offset, g->words);
227
228 show_gather(o, g->base + g->offset, g->words, cdma,
229 g->base, mapped);
230
231 if (!job->gather_copy_mapped)
232 host1x_bo_munmap(g->bo, mapped);
233 }
234 }
235 }
236
237 #if HOST1X_HW >= 6
238 #include "debug_hw_1x06.c"
239 #else
240 #include "debug_hw_1x01.c"
241 #endif
242
243 static const struct host1x_debug_ops host1x_debug_ops = {
244 .show_channel_cdma = host1x_debug_show_channel_cdma,
245 .show_channel_fifo = host1x_debug_show_channel_fifo,
246 .show_mlocks = host1x_debug_show_mlocks,
247 };
248