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18#include "../dev.h"
19#include "../debug.h"
20#include "../cdma.h"
21#include "../channel.h"
22
23#define HOST1X_DEBUG_MAX_PAGE_OFFSET 102400
24
25enum {
26 HOST1X_OPCODE_SETCLASS = 0x00,
27 HOST1X_OPCODE_INCR = 0x01,
28 HOST1X_OPCODE_NONINCR = 0x02,
29 HOST1X_OPCODE_MASK = 0x03,
30 HOST1X_OPCODE_IMM = 0x04,
31 HOST1X_OPCODE_RESTART = 0x05,
32 HOST1X_OPCODE_GATHER = 0x06,
33 HOST1X_OPCODE_EXTEND = 0x0e,
34};
35
36enum {
37 HOST1X_OPCODE_EXTEND_ACQUIRE_MLOCK = 0x00,
38 HOST1X_OPCODE_EXTEND_RELEASE_MLOCK = 0x01,
39};
40
41static unsigned int show_channel_command(struct output *o, u32 val)
42{
43 unsigned mask;
44 unsigned subop;
45
46 switch (val >> 28) {
47 case HOST1X_OPCODE_SETCLASS:
48 mask = val & 0x3f;
49 if (mask) {
50 host1x_debug_output(o, "SETCL(class=%03x, offset=%03x, mask=%02x, [",
51 val >> 6 & 0x3ff,
52 val >> 16 & 0xfff, mask);
53 return hweight8(mask);
54 } else {
55 host1x_debug_output(o, "SETCL(class=%03x)\n",
56 val >> 6 & 0x3ff);
57 return 0;
58 }
59
60 case HOST1X_OPCODE_INCR:
61 host1x_debug_output(o, "INCR(offset=%03x, [",
62 val >> 16 & 0xfff);
63 return val & 0xffff;
64
65 case HOST1X_OPCODE_NONINCR:
66 host1x_debug_output(o, "NONINCR(offset=%03x, [",
67 val >> 16 & 0xfff);
68 return val & 0xffff;
69
70 case HOST1X_OPCODE_MASK:
71 mask = val & 0xffff;
72 host1x_debug_output(o, "MASK(offset=%03x, mask=%03x, [",
73 val >> 16 & 0xfff, mask);
74 return hweight16(mask);
75
76 case HOST1X_OPCODE_IMM:
77 host1x_debug_output(o, "IMM(offset=%03x, data=%03x)\n",
78 val >> 16 & 0xfff, val & 0xffff);
79 return 0;
80
81 case HOST1X_OPCODE_RESTART:
82 host1x_debug_output(o, "RESTART(offset=%08x)\n", val << 4);
83 return 0;
84
85 case HOST1X_OPCODE_GATHER:
86 host1x_debug_output(o, "GATHER(offset=%03x, insert=%d, type=%d, count=%04x, addr=[",
87 val >> 16 & 0xfff, val >> 15 & 0x1,
88 val >> 14 & 0x1, val & 0x3fff);
89 return 1;
90
91 case HOST1X_OPCODE_EXTEND:
92 subop = val >> 24 & 0xf;
93 if (subop == HOST1X_OPCODE_EXTEND_ACQUIRE_MLOCK)
94 host1x_debug_output(o, "ACQUIRE_MLOCK(index=%d)\n",
95 val & 0xff);
96 else if (subop == HOST1X_OPCODE_EXTEND_RELEASE_MLOCK)
97 host1x_debug_output(o, "RELEASE_MLOCK(index=%d)\n",
98 val & 0xff);
99 else
100 host1x_debug_output(o, "EXTEND_UNKNOWN(%08x)\n", val);
101 return 0;
102
103 default:
104 return 0;
105 }
106}
107
108static void show_gather(struct output *o, phys_addr_t phys_addr,
109 unsigned int words, struct host1x_cdma *cdma,
110 phys_addr_t pin_addr, u32 *map_addr)
111{
112
113 u32 offset = phys_addr - pin_addr;
114 unsigned int data_count = 0, i;
115
116
117
118
119
120
121 if (offset > HOST1X_DEBUG_MAX_PAGE_OFFSET) {
122 host1x_debug_output(o, "[address mismatch]\n");
123 return;
124 }
125
126 for (i = 0; i < words; i++) {
127 u32 addr = phys_addr + i * 4;
128 u32 val = *(map_addr + offset / 4 + i);
129
130 if (!data_count) {
131 host1x_debug_output(o, "%08x: %08x:", addr, val);
132 data_count = show_channel_command(o, val);
133 } else {
134 host1x_debug_output(o, "%08x%s", val,
135 data_count > 0 ? ", " : "])\n");
136 data_count--;
137 }
138 }
139}
140
141static void show_channel_gathers(struct output *o, struct host1x_cdma *cdma)
142{
143 struct host1x_job *job;
144
145 list_for_each_entry(job, &cdma->sync_queue, list) {
146 int i;
147 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",
148 job, job->syncpt_id, job->syncpt_end,
149 job->first_get, job->timeout,
150 job->num_slots, job->num_unpins);
151
152 for (i = 0; i < job->num_gathers; i++) {
153 struct host1x_job_gather *g = &job->gathers[i];
154 u32 *mapped;
155
156 if (job->gather_copy_mapped)
157 mapped = (u32 *)job->gather_copy_mapped;
158 else
159 mapped = host1x_bo_mmap(g->bo);
160
161 if (!mapped) {
162 host1x_debug_output(o, "[could not mmap]\n");
163 continue;
164 }
165
166 host1x_debug_output(o, " GATHER at %pad+%#x, %d words\n",
167 &g->base, g->offset, g->words);
168
169 show_gather(o, g->base + g->offset, g->words, cdma,
170 g->base, mapped);
171
172 if (!job->gather_copy_mapped)
173 host1x_bo_munmap(g->bo, mapped);
174 }
175 }
176}
177
178static void host1x_debug_show_channel_cdma(struct host1x *host,
179 struct host1x_channel *ch,
180 struct output *o)
181{
182 struct host1x_cdma *cdma = &ch->cdma;
183 u32 dmaput, dmaget, dmactrl;
184 u32 cbstat, cbread;
185 u32 val, base, baseval;
186
187 dmaput = host1x_ch_readl(ch, HOST1X_CHANNEL_DMAPUT);
188 dmaget = host1x_ch_readl(ch, HOST1X_CHANNEL_DMAGET);
189 dmactrl = host1x_ch_readl(ch, HOST1X_CHANNEL_DMACTRL);
190 cbread = host1x_sync_readl(host, HOST1X_SYNC_CBREAD(ch->id));
191 cbstat = host1x_sync_readl(host, HOST1X_SYNC_CBSTAT(ch->id));
192
193 host1x_debug_output(o, "%d-%s: ", ch->id, dev_name(ch->dev));
194
195 if (HOST1X_CHANNEL_DMACTRL_DMASTOP_V(dmactrl) ||
196 !ch->cdma.push_buffer.mapped) {
197 host1x_debug_output(o, "inactive\n\n");
198 return;
199 }
200
201 if (HOST1X_SYNC_CBSTAT_CBCLASS_V(cbstat) == HOST1X_CLASS_HOST1X &&
202 HOST1X_SYNC_CBSTAT_CBOFFSET_V(cbstat) ==
203 HOST1X_UCLASS_WAIT_SYNCPT)
204 host1x_debug_output(o, "waiting on syncpt %d val %d\n",
205 cbread >> 24, cbread & 0xffffff);
206 else if (HOST1X_SYNC_CBSTAT_CBCLASS_V(cbstat) ==
207 HOST1X_CLASS_HOST1X &&
208 HOST1X_SYNC_CBSTAT_CBOFFSET_V(cbstat) ==
209 HOST1X_UCLASS_WAIT_SYNCPT_BASE) {
210
211 base = (cbread >> 16) & 0xff;
212 baseval =
213 host1x_sync_readl(host, HOST1X_SYNC_SYNCPT_BASE(base));
214 val = cbread & 0xffff;
215 host1x_debug_output(o, "waiting on syncpt %d val %d (base %d = %d; offset = %d)\n",
216 cbread >> 24, baseval + val, base,
217 baseval, val);
218 } else
219 host1x_debug_output(o, "active class %02x, offset %04x, val %08x\n",
220 HOST1X_SYNC_CBSTAT_CBCLASS_V(cbstat),
221 HOST1X_SYNC_CBSTAT_CBOFFSET_V(cbstat),
222 cbread);
223
224 host1x_debug_output(o, "DMAPUT %08x, DMAGET %08x, DMACTL %08x\n",
225 dmaput, dmaget, dmactrl);
226 host1x_debug_output(o, "CBREAD %08x, CBSTAT %08x\n", cbread, cbstat);
227
228 show_channel_gathers(o, cdma);
229 host1x_debug_output(o, "\n");
230}
231
232static void host1x_debug_show_channel_fifo(struct host1x *host,
233 struct host1x_channel *ch,
234 struct output *o)
235{
236 u32 val, rd_ptr, wr_ptr, start, end;
237 unsigned int data_count = 0;
238
239 host1x_debug_output(o, "%d: fifo:\n", ch->id);
240
241 val = host1x_ch_readl(ch, HOST1X_CHANNEL_FIFOSTAT);
242 host1x_debug_output(o, "FIFOSTAT %08x\n", val);
243 if (HOST1X_CHANNEL_FIFOSTAT_CFEMPTY_V(val)) {
244 host1x_debug_output(o, "[empty]\n");
245 return;
246 }
247
248 host1x_sync_writel(host, 0x0, HOST1X_SYNC_CFPEEK_CTRL);
249 host1x_sync_writel(host, HOST1X_SYNC_CFPEEK_CTRL_ENA_F(1) |
250 HOST1X_SYNC_CFPEEK_CTRL_CHANNR_F(ch->id),
251 HOST1X_SYNC_CFPEEK_CTRL);
252
253 val = host1x_sync_readl(host, HOST1X_SYNC_CFPEEK_PTRS);
254 rd_ptr = HOST1X_SYNC_CFPEEK_PTRS_CF_RD_PTR_V(val);
255 wr_ptr = HOST1X_SYNC_CFPEEK_PTRS_CF_WR_PTR_V(val);
256
257 val = host1x_sync_readl(host, HOST1X_SYNC_CF_SETUP(ch->id));
258 start = HOST1X_SYNC_CF_SETUP_BASE_V(val);
259 end = HOST1X_SYNC_CF_SETUP_LIMIT_V(val);
260
261 do {
262 host1x_sync_writel(host, 0x0, HOST1X_SYNC_CFPEEK_CTRL);
263 host1x_sync_writel(host, HOST1X_SYNC_CFPEEK_CTRL_ENA_F(1) |
264 HOST1X_SYNC_CFPEEK_CTRL_CHANNR_F(ch->id) |
265 HOST1X_SYNC_CFPEEK_CTRL_ADDR_F(rd_ptr),
266 HOST1X_SYNC_CFPEEK_CTRL);
267 val = host1x_sync_readl(host, HOST1X_SYNC_CFPEEK_READ);
268
269 if (!data_count) {
270 host1x_debug_output(o, "%08x:", val);
271 data_count = show_channel_command(o, val);
272 } else {
273 host1x_debug_output(o, "%08x%s", val,
274 data_count > 0 ? ", " : "])\n");
275 data_count--;
276 }
277
278 if (rd_ptr == end)
279 rd_ptr = start;
280 else
281 rd_ptr++;
282 } while (rd_ptr != wr_ptr);
283
284 if (data_count)
285 host1x_debug_output(o, ", ...])\n");
286 host1x_debug_output(o, "\n");
287
288 host1x_sync_writel(host, 0x0, HOST1X_SYNC_CFPEEK_CTRL);
289}
290
291static void host1x_debug_show_mlocks(struct host1x *host, struct output *o)
292{
293 int i;
294
295 host1x_debug_output(o, "---- mlocks ----\n");
296 for (i = 0; i < host1x_syncpt_nb_mlocks(host); i++) {
297 u32 owner =
298 host1x_sync_readl(host, HOST1X_SYNC_MLOCK_OWNER(i));
299 if (HOST1X_SYNC_MLOCK_OWNER_CH_OWNS_V(owner))
300 host1x_debug_output(o, "%d: locked by channel %d\n",
301 i, HOST1X_SYNC_MLOCK_OWNER_CHID_F(owner));
302 else if (HOST1X_SYNC_MLOCK_OWNER_CPU_OWNS_V(owner))
303 host1x_debug_output(o, "%d: locked by cpu\n", i);
304 else
305 host1x_debug_output(o, "%d: unlocked\n", i);
306 }
307 host1x_debug_output(o, "\n");
308}
309
310static const struct host1x_debug_ops host1x_debug_ops = {
311 .show_channel_cdma = host1x_debug_show_channel_cdma,
312 .show_channel_fifo = host1x_debug_show_channel_fifo,
313 .show_mlocks = host1x_debug_show_mlocks,
314};
315
